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/*
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* QEMU System Emulator
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*
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* Copyright (c) 2003-2008 Fabrice Bellard
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include "hw/hw.h" |
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#include "hw/boards.h" |
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#include "hw/usb.h" |
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#include "hw/pcmcia.h" |
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#include "hw/pc.h" |
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#include "hw/audiodev.h" |
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#include "hw/isa.h" |
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#include "hw/baum.h" |
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#include "hw/bt.h" |
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#include "net.h" |
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#include "console.h" |
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#include "sysemu.h" |
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#include "gdbstub.h" |
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#include "qemu-timer.h" |
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#include "qemu-char.h" |
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#include "block.h" |
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#include "audio/audio.h" |
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|
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#include <unistd.h> |
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#include <fcntl.h> |
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#include <signal.h> |
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#include <time.h> |
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#include <errno.h> |
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#include <sys/time.h> |
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#include <zlib.h> |
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#ifndef _WIN32
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#include <sys/times.h> |
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#include <sys/wait.h> |
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#include <termios.h> |
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#include <sys/poll.h> |
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#include <sys/mman.h> |
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#include <sys/ioctl.h> |
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#include <sys/socket.h> |
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#include <netinet/in.h> |
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#include <dirent.h> |
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#include <netdb.h> |
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#include <sys/select.h> |
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#include <arpa/inet.h> |
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#ifdef _BSD
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#include <sys/stat.h> |
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#if !defined(__APPLE__) && !defined(__OpenBSD__)
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#include <libutil.h> |
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#endif
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#ifdef __OpenBSD__
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#include <net/if.h> |
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#endif
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#elif defined (__GLIBC__) && defined (__FreeBSD_kernel__)
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#include <freebsd/stdlib.h> |
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#else
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#ifdef __linux__
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#include <linux/if.h> |
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#include <linux/if_tun.h> |
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#include <pty.h> |
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#include <malloc.h> |
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#include <linux/rtc.h> |
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/* For the benefit of older linux systems which don't supply it,
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we use a local copy of hpet.h. */
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/* #include <linux/hpet.h> */
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#include "hpet.h" |
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#include <linux/ppdev.h> |
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#include <linux/parport.h> |
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#endif
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#ifdef __sun__
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#include <sys/stat.h> |
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#include <sys/ethernet.h> |
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#include <sys/sockio.h> |
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#include <netinet/arp.h> |
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#include <netinet/in.h> |
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#include <netinet/in_systm.h> |
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#include <netinet/ip.h> |
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#include <netinet/ip_icmp.h> // must come after ip.h |
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#include <netinet/udp.h> |
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#include <netinet/tcp.h> |
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#include <net/if.h> |
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#include <syslog.h> |
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#include <stropts.h> |
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#endif
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#endif
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#endif
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#include "qemu_socket.h" |
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#if defined(CONFIG_SLIRP)
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#include "libslirp.h" |
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#endif
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#if defined(__OpenBSD__)
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#include <util.h> |
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#endif
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#if defined(CONFIG_VDE)
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#include <libvdeplug.h> |
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#endif
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#ifdef _WIN32
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#include <malloc.h> |
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#include <sys/timeb.h> |
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#include <mmsystem.h> |
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#define getopt_long_only getopt_long
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#define memalign(align, size) malloc(size)
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#endif
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#ifdef CONFIG_SDL
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#ifdef __APPLE__
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#include <SDL/SDL.h> |
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#endif
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#endif /* CONFIG_SDL */ |
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#ifdef CONFIG_COCOA
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#undef main
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#define main qemu_main
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#endif /* CONFIG_COCOA */ |
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#include "disas.h" |
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#include "exec-all.h" |
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#define DEFAULT_NETWORK_SCRIPT "/etc/qemu-ifup" |
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#define DEFAULT_NETWORK_DOWN_SCRIPT "/etc/qemu-ifdown" |
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#ifdef __sun__
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#define SMBD_COMMAND "/usr/sfw/sbin/smbd" |
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#else
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#define SMBD_COMMAND "/usr/sbin/smbd" |
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#endif
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//#define DEBUG_UNUSED_IOPORT
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//#define DEBUG_IOPORT
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#ifdef TARGET_PPC
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#define DEFAULT_RAM_SIZE 144 |
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#else
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#define DEFAULT_RAM_SIZE 128 |
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#endif
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/* Max number of USB devices that can be specified on the commandline. */
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#define MAX_USB_CMDLINE 8 |
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/* XXX: use a two level table to limit memory usage */
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#define MAX_IOPORTS 65536 |
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const char *bios_dir = CONFIG_QEMU_SHAREDIR; |
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const char *bios_name = NULL; |
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void *ioport_opaque[MAX_IOPORTS];
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IOPortReadFunc *ioport_read_table[3][MAX_IOPORTS];
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IOPortWriteFunc *ioport_write_table[3][MAX_IOPORTS];
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/* Note: drives_table[MAX_DRIVES] is a dummy block driver if none available
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to store the VM snapshots */
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DriveInfo drives_table[MAX_DRIVES+1];
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int nb_drives;
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/* point to the block driver where the snapshots are managed */
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BlockDriverState *bs_snapshots; |
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int vga_ram_size;
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enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
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static DisplayState display_state;
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int nographic;
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int curses;
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const char* keyboard_layout = NULL; |
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int64_t ticks_per_sec; |
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ram_addr_t ram_size; |
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int pit_min_timer_count = 0; |
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int nb_nics;
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NICInfo nd_table[MAX_NICS]; |
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int vm_running;
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static int rtc_utc = 1; |
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static int rtc_date_offset = -1; /* -1 means no change */ |
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int cirrus_vga_enabled = 1; |
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int vmsvga_enabled = 0; |
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#ifdef TARGET_SPARC
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int graphic_width = 1024; |
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int graphic_height = 768; |
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int graphic_depth = 8; |
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#else
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int graphic_width = 800; |
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int graphic_height = 600; |
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int graphic_depth = 15; |
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#endif
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int full_screen = 0; |
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int no_frame = 0; |
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int no_quit = 0; |
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CharDriverState *serial_hds[MAX_SERIAL_PORTS]; |
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CharDriverState *parallel_hds[MAX_PARALLEL_PORTS]; |
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#ifdef TARGET_I386
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int win2k_install_hack = 0; |
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#endif
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int usb_enabled = 0; |
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static VLANState *first_vlan;
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int smp_cpus = 1; |
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const char *vnc_display; |
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#if defined(TARGET_SPARC)
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#define MAX_CPUS 16 |
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#elif defined(TARGET_I386)
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#define MAX_CPUS 255 |
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#else
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#define MAX_CPUS 1 |
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#endif
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int acpi_enabled = 1; |
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int fd_bootchk = 1; |
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int no_reboot = 0; |
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int no_shutdown = 0; |
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int cursor_hide = 1; |
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int graphic_rotate = 0; |
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int daemonize = 0; |
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const char *option_rom[MAX_OPTION_ROMS]; |
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int nb_option_roms;
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int semihosting_enabled = 0; |
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int autostart = 1; |
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#ifdef TARGET_ARM
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int old_param = 0; |
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#endif
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const char *qemu_name; |
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int alt_grab = 0; |
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#ifdef TARGET_SPARC
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unsigned int nb_prom_envs = 0; |
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const char *prom_envs[MAX_PROM_ENVS]; |
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#endif
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int nb_drives_opt;
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struct drive_opt {
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const char *file; |
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char opt[1024]; |
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} drives_opt[MAX_DRIVES]; |
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static CPUState *cur_cpu;
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static CPUState *next_cpu;
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static int event_pending = 1; |
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/* Conversion factor from emulated instructions to virtual clock ticks. */
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static int icount_time_shift; |
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/* Arbitrarily pick 1MIPS as the minimum allowable speed. */
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#define MAX_ICOUNT_SHIFT 10 |
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/* Compensate for varying guest execution speed. */
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static int64_t qemu_icount_bias;
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QEMUTimer *icount_rt_timer; |
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QEMUTimer *icount_vm_timer; |
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uint8_t qemu_uuid[16];
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#define TFR(expr) do { if ((expr) != -1) break; } while (errno == EINTR) |
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/***********************************************************/
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/* x86 ISA bus support */
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target_phys_addr_t isa_mem_base = 0;
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PicState2 *isa_pic; |
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static IOPortReadFunc default_ioport_readb, default_ioport_readw, default_ioport_readl;
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static IOPortWriteFunc default_ioport_writeb, default_ioport_writew, default_ioport_writel;
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static uint32_t ioport_read(int index, uint32_t address) |
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{ |
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static IOPortReadFunc *default_func[3] = { |
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default_ioport_readb, |
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default_ioport_readw, |
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default_ioport_readl |
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}; |
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IOPortReadFunc *func = ioport_read_table[index][address]; |
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if (!func)
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func = default_func[index]; |
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return func(ioport_opaque[address], address);
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} |
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static void ioport_write(int index, uint32_t address, uint32_t data) |
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{ |
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static IOPortWriteFunc *default_func[3] = { |
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default_ioport_writeb, |
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default_ioport_writew, |
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default_ioport_writel |
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}; |
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IOPortWriteFunc *func = ioport_write_table[index][address]; |
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if (!func)
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func = default_func[index]; |
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func(ioport_opaque[address], address, data); |
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} |
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static uint32_t default_ioport_readb(void *opaque, uint32_t address) |
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{ |
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#ifdef DEBUG_UNUSED_IOPORT
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fprintf(stderr, "unused inb: port=0x%04x\n", address);
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#endif
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return 0xff; |
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} |
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static void default_ioport_writeb(void *opaque, uint32_t address, uint32_t data) |
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{ |
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#ifdef DEBUG_UNUSED_IOPORT
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fprintf(stderr, "unused outb: port=0x%04x data=0x%02x\n", address, data);
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#endif
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} |
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/* default is to make two byte accesses */
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static uint32_t default_ioport_readw(void *opaque, uint32_t address) |
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{ |
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uint32_t data; |
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data = ioport_read(0, address);
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address = (address + 1) & (MAX_IOPORTS - 1); |
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data |= ioport_read(0, address) << 8; |
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return data;
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} |
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static void default_ioport_writew(void *opaque, uint32_t address, uint32_t data) |
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{ |
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ioport_write(0, address, data & 0xff); |
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address = (address + 1) & (MAX_IOPORTS - 1); |
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ioport_write(0, address, (data >> 8) & 0xff); |
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} |
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static uint32_t default_ioport_readl(void *opaque, uint32_t address) |
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{ |
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#ifdef DEBUG_UNUSED_IOPORT
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fprintf(stderr, "unused inl: port=0x%04x\n", address);
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#endif
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return 0xffffffff; |
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} |
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static void default_ioport_writel(void *opaque, uint32_t address, uint32_t data) |
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{ |
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#ifdef DEBUG_UNUSED_IOPORT
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fprintf(stderr, "unused outl: port=0x%04x data=0x%02x\n", address, data);
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#endif
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} |
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/* size is the word size in byte */
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int register_ioport_read(int start, int length, int size, |
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IOPortReadFunc *func, void *opaque)
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{ |
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int i, bsize;
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if (size == 1) { |
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bsize = 0;
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} else if (size == 2) { |
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bsize = 1;
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} else if (size == 4) { |
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bsize = 2;
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} else {
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hw_error("register_ioport_read: invalid size");
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return -1; |
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} |
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for(i = start; i < start + length; i += size) {
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ioport_read_table[bsize][i] = func; |
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if (ioport_opaque[i] != NULL && ioport_opaque[i] != opaque) |
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hw_error("register_ioport_read: invalid opaque");
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ioport_opaque[i] = opaque; |
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} |
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return 0; |
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} |
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/* size is the word size in byte */
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int register_ioport_write(int start, int length, int size, |
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IOPortWriteFunc *func, void *opaque)
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{ |
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int i, bsize;
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if (size == 1) { |
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bsize = 0;
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} else if (size == 2) { |
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bsize = 1;
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} else if (size == 4) { |
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bsize = 2;
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} else {
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hw_error("register_ioport_write: invalid size");
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return -1; |
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} |
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for(i = start; i < start + length; i += size) {
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ioport_write_table[bsize][i] = func; |
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if (ioport_opaque[i] != NULL && ioport_opaque[i] != opaque) |
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hw_error("register_ioport_write: invalid opaque");
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ioport_opaque[i] = opaque; |
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} |
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return 0; |
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} |
395 |
|
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void isa_unassign_ioport(int start, int length) |
397 |
{ |
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int i;
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|
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for(i = start; i < start + length; i++) {
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ioport_read_table[0][i] = default_ioport_readb;
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ioport_read_table[1][i] = default_ioport_readw;
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ioport_read_table[2][i] = default_ioport_readl;
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ioport_write_table[0][i] = default_ioport_writeb;
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ioport_write_table[1][i] = default_ioport_writew;
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ioport_write_table[2][i] = default_ioport_writel;
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} |
409 |
} |
410 |
|
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/***********************************************************/
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|
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void cpu_outb(CPUState *env, int addr, int val) |
414 |
{ |
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#ifdef DEBUG_IOPORT
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if (loglevel & CPU_LOG_IOPORT)
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fprintf(logfile, "outb: %04x %02x\n", addr, val);
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#endif
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ioport_write(0, addr, val);
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#ifdef USE_KQEMU
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if (env)
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env->last_io_time = cpu_get_time_fast(); |
423 |
#endif
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} |
425 |
|
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void cpu_outw(CPUState *env, int addr, int val) |
427 |
{ |
428 |
#ifdef DEBUG_IOPORT
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if (loglevel & CPU_LOG_IOPORT)
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fprintf(logfile, "outw: %04x %04x\n", addr, val);
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#endif
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ioport_write(1, addr, val);
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#ifdef USE_KQEMU
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if (env)
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env->last_io_time = cpu_get_time_fast(); |
436 |
#endif
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} |
438 |
|
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void cpu_outl(CPUState *env, int addr, int val) |
440 |
{ |
441 |
#ifdef DEBUG_IOPORT
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if (loglevel & CPU_LOG_IOPORT)
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fprintf(logfile, "outl: %04x %08x\n", addr, val);
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#endif
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ioport_write(2, addr, val);
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#ifdef USE_KQEMU
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if (env)
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env->last_io_time = cpu_get_time_fast(); |
449 |
#endif
|
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} |
451 |
|
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int cpu_inb(CPUState *env, int addr) |
453 |
{ |
454 |
int val;
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val = ioport_read(0, addr);
|
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#ifdef DEBUG_IOPORT
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if (loglevel & CPU_LOG_IOPORT)
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fprintf(logfile, "inb : %04x %02x\n", addr, val);
|
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#endif
|
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#ifdef USE_KQEMU
|
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if (env)
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env->last_io_time = cpu_get_time_fast(); |
463 |
#endif
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return val;
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} |
466 |
|
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int cpu_inw(CPUState *env, int addr) |
468 |
{ |
469 |
int val;
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val = ioport_read(1, addr);
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#ifdef DEBUG_IOPORT
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if (loglevel & CPU_LOG_IOPORT)
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fprintf(logfile, "inw : %04x %04x\n", addr, val);
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#endif
|
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#ifdef USE_KQEMU
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if (env)
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env->last_io_time = cpu_get_time_fast(); |
478 |
#endif
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return val;
|
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} |
481 |
|
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int cpu_inl(CPUState *env, int addr) |
483 |
{ |
484 |
int val;
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val = ioport_read(2, addr);
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#ifdef DEBUG_IOPORT
|
487 |
if (loglevel & CPU_LOG_IOPORT)
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fprintf(logfile, "inl : %04x %08x\n", addr, val);
|
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#endif
|
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#ifdef USE_KQEMU
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if (env)
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env->last_io_time = cpu_get_time_fast(); |
493 |
#endif
|
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return val;
|
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} |
496 |
|
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/***********************************************************/
|
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void hw_error(const char *fmt, ...) |
499 |
{ |
500 |
va_list ap; |
501 |
CPUState *env; |
502 |
|
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va_start(ap, fmt); |
504 |
fprintf(stderr, "qemu: hardware error: ");
|
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vfprintf(stderr, fmt, ap); |
506 |
fprintf(stderr, "\n");
|
507 |
for(env = first_cpu; env != NULL; env = env->next_cpu) { |
508 |
fprintf(stderr, "CPU #%d:\n", env->cpu_index);
|
509 |
#ifdef TARGET_I386
|
510 |
cpu_dump_state(env, stderr, fprintf, X86_DUMP_FPU); |
511 |
#else
|
512 |
cpu_dump_state(env, stderr, fprintf, 0);
|
513 |
#endif
|
514 |
} |
515 |
va_end(ap); |
516 |
abort(); |
517 |
} |
518 |
|
519 |
/***********************************************************/
|
520 |
/* keyboard/mouse */
|
521 |
|
522 |
static QEMUPutKBDEvent *qemu_put_kbd_event;
|
523 |
static void *qemu_put_kbd_event_opaque; |
524 |
static QEMUPutMouseEntry *qemu_put_mouse_event_head;
|
525 |
static QEMUPutMouseEntry *qemu_put_mouse_event_current;
|
526 |
|
527 |
void qemu_add_kbd_event_handler(QEMUPutKBDEvent *func, void *opaque) |
528 |
{ |
529 |
qemu_put_kbd_event_opaque = opaque; |
530 |
qemu_put_kbd_event = func; |
531 |
} |
532 |
|
533 |
QEMUPutMouseEntry *qemu_add_mouse_event_handler(QEMUPutMouseEvent *func, |
534 |
void *opaque, int absolute, |
535 |
const char *name) |
536 |
{ |
537 |
QEMUPutMouseEntry *s, *cursor; |
538 |
|
539 |
s = qemu_mallocz(sizeof(QEMUPutMouseEntry));
|
540 |
if (!s)
|
541 |
return NULL; |
542 |
|
543 |
s->qemu_put_mouse_event = func; |
544 |
s->qemu_put_mouse_event_opaque = opaque; |
545 |
s->qemu_put_mouse_event_absolute = absolute; |
546 |
s->qemu_put_mouse_event_name = qemu_strdup(name); |
547 |
s->next = NULL;
|
548 |
|
549 |
if (!qemu_put_mouse_event_head) {
|
550 |
qemu_put_mouse_event_head = qemu_put_mouse_event_current = s; |
551 |
return s;
|
552 |
} |
553 |
|
554 |
cursor = qemu_put_mouse_event_head; |
555 |
while (cursor->next != NULL) |
556 |
cursor = cursor->next; |
557 |
|
558 |
cursor->next = s; |
559 |
qemu_put_mouse_event_current = s; |
560 |
|
561 |
return s;
|
562 |
} |
563 |
|
564 |
void qemu_remove_mouse_event_handler(QEMUPutMouseEntry *entry)
|
565 |
{ |
566 |
QEMUPutMouseEntry *prev = NULL, *cursor;
|
567 |
|
568 |
if (!qemu_put_mouse_event_head || entry == NULL) |
569 |
return;
|
570 |
|
571 |
cursor = qemu_put_mouse_event_head; |
572 |
while (cursor != NULL && cursor != entry) { |
573 |
prev = cursor; |
574 |
cursor = cursor->next; |
575 |
} |
576 |
|
577 |
if (cursor == NULL) // does not exist or list empty |
578 |
return;
|
579 |
else if (prev == NULL) { // entry is head |
580 |
qemu_put_mouse_event_head = cursor->next; |
581 |
if (qemu_put_mouse_event_current == entry)
|
582 |
qemu_put_mouse_event_current = cursor->next; |
583 |
qemu_free(entry->qemu_put_mouse_event_name); |
584 |
qemu_free(entry); |
585 |
return;
|
586 |
} |
587 |
|
588 |
prev->next = entry->next; |
589 |
|
590 |
if (qemu_put_mouse_event_current == entry)
|
591 |
qemu_put_mouse_event_current = prev; |
592 |
|
593 |
qemu_free(entry->qemu_put_mouse_event_name); |
594 |
qemu_free(entry); |
595 |
} |
596 |
|
597 |
void kbd_put_keycode(int keycode) |
598 |
{ |
599 |
if (qemu_put_kbd_event) {
|
600 |
qemu_put_kbd_event(qemu_put_kbd_event_opaque, keycode); |
601 |
} |
602 |
} |
603 |
|
604 |
void kbd_mouse_event(int dx, int dy, int dz, int buttons_state) |
605 |
{ |
606 |
QEMUPutMouseEvent *mouse_event; |
607 |
void *mouse_event_opaque;
|
608 |
int width;
|
609 |
|
610 |
if (!qemu_put_mouse_event_current) {
|
611 |
return;
|
612 |
} |
613 |
|
614 |
mouse_event = |
615 |
qemu_put_mouse_event_current->qemu_put_mouse_event; |
616 |
mouse_event_opaque = |
617 |
qemu_put_mouse_event_current->qemu_put_mouse_event_opaque; |
618 |
|
619 |
if (mouse_event) {
|
620 |
if (graphic_rotate) {
|
621 |
if (qemu_put_mouse_event_current->qemu_put_mouse_event_absolute)
|
622 |
width = 0x7fff;
|
623 |
else
|
624 |
width = graphic_width - 1;
|
625 |
mouse_event(mouse_event_opaque, |
626 |
width - dy, dx, dz, buttons_state); |
627 |
} else
|
628 |
mouse_event(mouse_event_opaque, |
629 |
dx, dy, dz, buttons_state); |
630 |
} |
631 |
} |
632 |
|
633 |
int kbd_mouse_is_absolute(void) |
634 |
{ |
635 |
if (!qemu_put_mouse_event_current)
|
636 |
return 0; |
637 |
|
638 |
return qemu_put_mouse_event_current->qemu_put_mouse_event_absolute;
|
639 |
} |
640 |
|
641 |
void do_info_mice(void) |
642 |
{ |
643 |
QEMUPutMouseEntry *cursor; |
644 |
int index = 0; |
645 |
|
646 |
if (!qemu_put_mouse_event_head) {
|
647 |
term_printf("No mouse devices connected\n");
|
648 |
return;
|
649 |
} |
650 |
|
651 |
term_printf("Mouse devices available:\n");
|
652 |
cursor = qemu_put_mouse_event_head; |
653 |
while (cursor != NULL) { |
654 |
term_printf("%c Mouse #%d: %s\n",
|
655 |
(cursor == qemu_put_mouse_event_current ? '*' : ' '), |
656 |
index, cursor->qemu_put_mouse_event_name); |
657 |
index++; |
658 |
cursor = cursor->next; |
659 |
} |
660 |
} |
661 |
|
662 |
void do_mouse_set(int index) |
663 |
{ |
664 |
QEMUPutMouseEntry *cursor; |
665 |
int i = 0; |
666 |
|
667 |
if (!qemu_put_mouse_event_head) {
|
668 |
term_printf("No mouse devices connected\n");
|
669 |
return;
|
670 |
} |
671 |
|
672 |
cursor = qemu_put_mouse_event_head; |
673 |
while (cursor != NULL && index != i) { |
674 |
i++; |
675 |
cursor = cursor->next; |
676 |
} |
677 |
|
678 |
if (cursor != NULL) |
679 |
qemu_put_mouse_event_current = cursor; |
680 |
else
|
681 |
term_printf("Mouse at given index not found\n");
|
682 |
} |
683 |
|
684 |
/* compute with 96 bit intermediate result: (a*b)/c */
|
685 |
uint64_t muldiv64(uint64_t a, uint32_t b, uint32_t c) |
686 |
{ |
687 |
union {
|
688 |
uint64_t ll; |
689 |
struct {
|
690 |
#ifdef WORDS_BIGENDIAN
|
691 |
uint32_t high, low; |
692 |
#else
|
693 |
uint32_t low, high; |
694 |
#endif
|
695 |
} l; |
696 |
} u, res; |
697 |
uint64_t rl, rh; |
698 |
|
699 |
u.ll = a; |
700 |
rl = (uint64_t)u.l.low * (uint64_t)b; |
701 |
rh = (uint64_t)u.l.high * (uint64_t)b; |
702 |
rh += (rl >> 32);
|
703 |
res.l.high = rh / c; |
704 |
res.l.low = (((rh % c) << 32) + (rl & 0xffffffff)) / c; |
705 |
return res.ll;
|
706 |
} |
707 |
|
708 |
/***********************************************************/
|
709 |
/* real time host monotonic timer */
|
710 |
|
711 |
#define QEMU_TIMER_BASE 1000000000LL |
712 |
|
713 |
#ifdef WIN32
|
714 |
|
715 |
static int64_t clock_freq;
|
716 |
|
717 |
static void init_get_clock(void) |
718 |
{ |
719 |
LARGE_INTEGER freq; |
720 |
int ret;
|
721 |
ret = QueryPerformanceFrequency(&freq); |
722 |
if (ret == 0) { |
723 |
fprintf(stderr, "Could not calibrate ticks\n");
|
724 |
exit(1);
|
725 |
} |
726 |
clock_freq = freq.QuadPart; |
727 |
} |
728 |
|
729 |
static int64_t get_clock(void) |
730 |
{ |
731 |
LARGE_INTEGER ti; |
732 |
QueryPerformanceCounter(&ti); |
733 |
return muldiv64(ti.QuadPart, QEMU_TIMER_BASE, clock_freq);
|
734 |
} |
735 |
|
736 |
#else
|
737 |
|
738 |
static int use_rt_clock; |
739 |
|
740 |
static void init_get_clock(void) |
741 |
{ |
742 |
use_rt_clock = 0;
|
743 |
#if defined(__linux__)
|
744 |
{ |
745 |
struct timespec ts;
|
746 |
if (clock_gettime(CLOCK_MONOTONIC, &ts) == 0) { |
747 |
use_rt_clock = 1;
|
748 |
} |
749 |
} |
750 |
#endif
|
751 |
} |
752 |
|
753 |
static int64_t get_clock(void) |
754 |
{ |
755 |
#if defined(__linux__)
|
756 |
if (use_rt_clock) {
|
757 |
struct timespec ts;
|
758 |
clock_gettime(CLOCK_MONOTONIC, &ts); |
759 |
return ts.tv_sec * 1000000000LL + ts.tv_nsec; |
760 |
} else
|
761 |
#endif
|
762 |
{ |
763 |
/* XXX: using gettimeofday leads to problems if the date
|
764 |
changes, so it should be avoided. */
|
765 |
struct timeval tv;
|
766 |
gettimeofday(&tv, NULL);
|
767 |
return tv.tv_sec * 1000000000LL + (tv.tv_usec * 1000); |
768 |
} |
769 |
} |
770 |
#endif
|
771 |
|
772 |
/* Return the virtual CPU time, based on the instruction counter. */
|
773 |
static int64_t cpu_get_icount(void) |
774 |
{ |
775 |
int64_t icount; |
776 |
CPUState *env = cpu_single_env;; |
777 |
icount = qemu_icount; |
778 |
if (env) {
|
779 |
if (!can_do_io(env))
|
780 |
fprintf(stderr, "Bad clock read\n");
|
781 |
icount -= (env->icount_decr.u16.low + env->icount_extra); |
782 |
} |
783 |
return qemu_icount_bias + (icount << icount_time_shift);
|
784 |
} |
785 |
|
786 |
/***********************************************************/
|
787 |
/* guest cycle counter */
|
788 |
|
789 |
static int64_t cpu_ticks_prev;
|
790 |
static int64_t cpu_ticks_offset;
|
791 |
static int64_t cpu_clock_offset;
|
792 |
static int cpu_ticks_enabled; |
793 |
|
794 |
/* return the host CPU cycle counter and handle stop/restart */
|
795 |
int64_t cpu_get_ticks(void)
|
796 |
{ |
797 |
if (use_icount) {
|
798 |
return cpu_get_icount();
|
799 |
} |
800 |
if (!cpu_ticks_enabled) {
|
801 |
return cpu_ticks_offset;
|
802 |
} else {
|
803 |
int64_t ticks; |
804 |
ticks = cpu_get_real_ticks(); |
805 |
if (cpu_ticks_prev > ticks) {
|
806 |
/* Note: non increasing ticks may happen if the host uses
|
807 |
software suspend */
|
808 |
cpu_ticks_offset += cpu_ticks_prev - ticks; |
809 |
} |
810 |
cpu_ticks_prev = ticks; |
811 |
return ticks + cpu_ticks_offset;
|
812 |
} |
813 |
} |
814 |
|
815 |
/* return the host CPU monotonic timer and handle stop/restart */
|
816 |
static int64_t cpu_get_clock(void) |
817 |
{ |
818 |
int64_t ti; |
819 |
if (!cpu_ticks_enabled) {
|
820 |
return cpu_clock_offset;
|
821 |
} else {
|
822 |
ti = get_clock(); |
823 |
return ti + cpu_clock_offset;
|
824 |
} |
825 |
} |
826 |
|
827 |
/* enable cpu_get_ticks() */
|
828 |
void cpu_enable_ticks(void) |
829 |
{ |
830 |
if (!cpu_ticks_enabled) {
|
831 |
cpu_ticks_offset -= cpu_get_real_ticks(); |
832 |
cpu_clock_offset -= get_clock(); |
833 |
cpu_ticks_enabled = 1;
|
834 |
} |
835 |
} |
836 |
|
837 |
/* disable cpu_get_ticks() : the clock is stopped. You must not call
|
838 |
cpu_get_ticks() after that. */
|
839 |
void cpu_disable_ticks(void) |
840 |
{ |
841 |
if (cpu_ticks_enabled) {
|
842 |
cpu_ticks_offset = cpu_get_ticks(); |
843 |
cpu_clock_offset = cpu_get_clock(); |
844 |
cpu_ticks_enabled = 0;
|
845 |
} |
846 |
} |
847 |
|
848 |
/***********************************************************/
|
849 |
/* timers */
|
850 |
|
851 |
#define QEMU_TIMER_REALTIME 0 |
852 |
#define QEMU_TIMER_VIRTUAL 1 |
853 |
|
854 |
struct QEMUClock {
|
855 |
int type;
|
856 |
/* XXX: add frequency */
|
857 |
}; |
858 |
|
859 |
struct QEMUTimer {
|
860 |
QEMUClock *clock; |
861 |
int64_t expire_time; |
862 |
QEMUTimerCB *cb; |
863 |
void *opaque;
|
864 |
struct QEMUTimer *next;
|
865 |
}; |
866 |
|
867 |
struct qemu_alarm_timer {
|
868 |
char const *name; |
869 |
unsigned int flags; |
870 |
|
871 |
int (*start)(struct qemu_alarm_timer *t); |
872 |
void (*stop)(struct qemu_alarm_timer *t); |
873 |
void (*rearm)(struct qemu_alarm_timer *t); |
874 |
void *priv;
|
875 |
}; |
876 |
|
877 |
#define ALARM_FLAG_DYNTICKS 0x1 |
878 |
#define ALARM_FLAG_EXPIRED 0x2 |
879 |
|
880 |
static inline int alarm_has_dynticks(struct qemu_alarm_timer *t) |
881 |
{ |
882 |
return t->flags & ALARM_FLAG_DYNTICKS;
|
883 |
} |
884 |
|
885 |
static void qemu_rearm_alarm_timer(struct qemu_alarm_timer *t) |
886 |
{ |
887 |
if (!alarm_has_dynticks(t))
|
888 |
return;
|
889 |
|
890 |
t->rearm(t); |
891 |
} |
892 |
|
893 |
/* TODO: MIN_TIMER_REARM_US should be optimized */
|
894 |
#define MIN_TIMER_REARM_US 250 |
895 |
|
896 |
static struct qemu_alarm_timer *alarm_timer; |
897 |
|
898 |
#ifdef _WIN32
|
899 |
|
900 |
struct qemu_alarm_win32 {
|
901 |
MMRESULT timerId; |
902 |
HANDLE host_alarm; |
903 |
unsigned int period; |
904 |
} alarm_win32_data = {0, NULL, -1}; |
905 |
|
906 |
static int win32_start_timer(struct qemu_alarm_timer *t); |
907 |
static void win32_stop_timer(struct qemu_alarm_timer *t); |
908 |
static void win32_rearm_timer(struct qemu_alarm_timer *t); |
909 |
|
910 |
#else
|
911 |
|
912 |
static int unix_start_timer(struct qemu_alarm_timer *t); |
913 |
static void unix_stop_timer(struct qemu_alarm_timer *t); |
914 |
|
915 |
#ifdef __linux__
|
916 |
|
917 |
static int dynticks_start_timer(struct qemu_alarm_timer *t); |
918 |
static void dynticks_stop_timer(struct qemu_alarm_timer *t); |
919 |
static void dynticks_rearm_timer(struct qemu_alarm_timer *t); |
920 |
|
921 |
static int hpet_start_timer(struct qemu_alarm_timer *t); |
922 |
static void hpet_stop_timer(struct qemu_alarm_timer *t); |
923 |
|
924 |
static int rtc_start_timer(struct qemu_alarm_timer *t); |
925 |
static void rtc_stop_timer(struct qemu_alarm_timer *t); |
926 |
|
927 |
#endif /* __linux__ */ |
928 |
|
929 |
#endif /* _WIN32 */ |
930 |
|
931 |
/* Correlation between real and virtual time is always going to be
|
932 |
fairly approximate, so ignore small variation.
|
933 |
When the guest is idle real and virtual time will be aligned in
|
934 |
the IO wait loop. */
|
935 |
#define ICOUNT_WOBBLE (QEMU_TIMER_BASE / 10) |
936 |
|
937 |
static void icount_adjust(void) |
938 |
{ |
939 |
int64_t cur_time; |
940 |
int64_t cur_icount; |
941 |
int64_t delta; |
942 |
static int64_t last_delta;
|
943 |
/* If the VM is not running, then do nothing. */
|
944 |
if (!vm_running)
|
945 |
return;
|
946 |
|
947 |
cur_time = cpu_get_clock(); |
948 |
cur_icount = qemu_get_clock(vm_clock); |
949 |
delta = cur_icount - cur_time; |
950 |
/* FIXME: This is a very crude algorithm, somewhat prone to oscillation. */
|
951 |
if (delta > 0 |
952 |
&& last_delta + ICOUNT_WOBBLE < delta * 2
|
953 |
&& icount_time_shift > 0) {
|
954 |
/* The guest is getting too far ahead. Slow time down. */
|
955 |
icount_time_shift--; |
956 |
} |
957 |
if (delta < 0 |
958 |
&& last_delta - ICOUNT_WOBBLE > delta * 2
|
959 |
&& icount_time_shift < MAX_ICOUNT_SHIFT) { |
960 |
/* The guest is getting too far behind. Speed time up. */
|
961 |
icount_time_shift++; |
962 |
} |
963 |
last_delta = delta; |
964 |
qemu_icount_bias = cur_icount - (qemu_icount << icount_time_shift); |
965 |
} |
966 |
|
967 |
static void icount_adjust_rt(void * opaque) |
968 |
{ |
969 |
qemu_mod_timer(icount_rt_timer, |
970 |
qemu_get_clock(rt_clock) + 1000);
|
971 |
icount_adjust(); |
972 |
} |
973 |
|
974 |
static void icount_adjust_vm(void * opaque) |
975 |
{ |
976 |
qemu_mod_timer(icount_vm_timer, |
977 |
qemu_get_clock(vm_clock) + QEMU_TIMER_BASE / 10);
|
978 |
icount_adjust(); |
979 |
} |
980 |
|
981 |
static void init_icount_adjust(void) |
982 |
{ |
983 |
/* Have both realtime and virtual time triggers for speed adjustment.
|
984 |
The realtime trigger catches emulated time passing too slowly,
|
985 |
the virtual time trigger catches emulated time passing too fast.
|
986 |
Realtime triggers occur even when idle, so use them less frequently
|
987 |
than VM triggers. */
|
988 |
icount_rt_timer = qemu_new_timer(rt_clock, icount_adjust_rt, NULL);
|
989 |
qemu_mod_timer(icount_rt_timer, |
990 |
qemu_get_clock(rt_clock) + 1000);
|
991 |
icount_vm_timer = qemu_new_timer(vm_clock, icount_adjust_vm, NULL);
|
992 |
qemu_mod_timer(icount_vm_timer, |
993 |
qemu_get_clock(vm_clock) + QEMU_TIMER_BASE / 10);
|
994 |
} |
995 |
|
996 |
static struct qemu_alarm_timer alarm_timers[] = { |
997 |
#ifndef _WIN32
|
998 |
#ifdef __linux__
|
999 |
{"dynticks", ALARM_FLAG_DYNTICKS, dynticks_start_timer,
|
1000 |
dynticks_stop_timer, dynticks_rearm_timer, NULL},
|
1001 |
/* HPET - if available - is preferred */
|
1002 |
{"hpet", 0, hpet_start_timer, hpet_stop_timer, NULL, NULL}, |
1003 |
/* ...otherwise try RTC */
|
1004 |
{"rtc", 0, rtc_start_timer, rtc_stop_timer, NULL, NULL}, |
1005 |
#endif
|
1006 |
{"unix", 0, unix_start_timer, unix_stop_timer, NULL, NULL}, |
1007 |
#else
|
1008 |
{"dynticks", ALARM_FLAG_DYNTICKS, win32_start_timer,
|
1009 |
win32_stop_timer, win32_rearm_timer, &alarm_win32_data}, |
1010 |
{"win32", 0, win32_start_timer, |
1011 |
win32_stop_timer, NULL, &alarm_win32_data},
|
1012 |
#endif
|
1013 |
{NULL, }
|
1014 |
}; |
1015 |
|
1016 |
static void show_available_alarms(void) |
1017 |
{ |
1018 |
int i;
|
1019 |
|
1020 |
printf("Available alarm timers, in order of precedence:\n");
|
1021 |
for (i = 0; alarm_timers[i].name; i++) |
1022 |
printf("%s\n", alarm_timers[i].name);
|
1023 |
} |
1024 |
|
1025 |
static void configure_alarms(char const *opt) |
1026 |
{ |
1027 |
int i;
|
1028 |
int cur = 0; |
1029 |
int count = (sizeof(alarm_timers) / sizeof(*alarm_timers)) - 1; |
1030 |
char *arg;
|
1031 |
char *name;
|
1032 |
struct qemu_alarm_timer tmp;
|
1033 |
|
1034 |
if (!strcmp(opt, "?")) { |
1035 |
show_available_alarms(); |
1036 |
exit(0);
|
1037 |
} |
1038 |
|
1039 |
arg = strdup(opt); |
1040 |
|
1041 |
/* Reorder the array */
|
1042 |
name = strtok(arg, ",");
|
1043 |
while (name) {
|
1044 |
for (i = 0; i < count && alarm_timers[i].name; i++) { |
1045 |
if (!strcmp(alarm_timers[i].name, name))
|
1046 |
break;
|
1047 |
} |
1048 |
|
1049 |
if (i == count) {
|
1050 |
fprintf(stderr, "Unknown clock %s\n", name);
|
1051 |
goto next;
|
1052 |
} |
1053 |
|
1054 |
if (i < cur)
|
1055 |
/* Ignore */
|
1056 |
goto next;
|
1057 |
|
1058 |
/* Swap */
|
1059 |
tmp = alarm_timers[i]; |
1060 |
alarm_timers[i] = alarm_timers[cur]; |
1061 |
alarm_timers[cur] = tmp; |
1062 |
|
1063 |
cur++; |
1064 |
next:
|
1065 |
name = strtok(NULL, ","); |
1066 |
} |
1067 |
|
1068 |
free(arg); |
1069 |
|
1070 |
if (cur) {
|
1071 |
/* Disable remaining timers */
|
1072 |
for (i = cur; i < count; i++)
|
1073 |
alarm_timers[i].name = NULL;
|
1074 |
} else {
|
1075 |
show_available_alarms(); |
1076 |
exit(1);
|
1077 |
} |
1078 |
} |
1079 |
|
1080 |
QEMUClock *rt_clock; |
1081 |
QEMUClock *vm_clock; |
1082 |
|
1083 |
static QEMUTimer *active_timers[2]; |
1084 |
|
1085 |
static QEMUClock *qemu_new_clock(int type) |
1086 |
{ |
1087 |
QEMUClock *clock; |
1088 |
clock = qemu_mallocz(sizeof(QEMUClock));
|
1089 |
if (!clock)
|
1090 |
return NULL; |
1091 |
clock->type = type; |
1092 |
return clock;
|
1093 |
} |
1094 |
|
1095 |
QEMUTimer *qemu_new_timer(QEMUClock *clock, QEMUTimerCB *cb, void *opaque)
|
1096 |
{ |
1097 |
QEMUTimer *ts; |
1098 |
|
1099 |
ts = qemu_mallocz(sizeof(QEMUTimer));
|
1100 |
ts->clock = clock; |
1101 |
ts->cb = cb; |
1102 |
ts->opaque = opaque; |
1103 |
return ts;
|
1104 |
} |
1105 |
|
1106 |
void qemu_free_timer(QEMUTimer *ts)
|
1107 |
{ |
1108 |
qemu_free(ts); |
1109 |
} |
1110 |
|
1111 |
/* stop a timer, but do not dealloc it */
|
1112 |
void qemu_del_timer(QEMUTimer *ts)
|
1113 |
{ |
1114 |
QEMUTimer **pt, *t; |
1115 |
|
1116 |
/* NOTE: this code must be signal safe because
|
1117 |
qemu_timer_expired() can be called from a signal. */
|
1118 |
pt = &active_timers[ts->clock->type]; |
1119 |
for(;;) {
|
1120 |
t = *pt; |
1121 |
if (!t)
|
1122 |
break;
|
1123 |
if (t == ts) {
|
1124 |
*pt = t->next; |
1125 |
break;
|
1126 |
} |
1127 |
pt = &t->next; |
1128 |
} |
1129 |
} |
1130 |
|
1131 |
/* modify the current timer so that it will be fired when current_time
|
1132 |
>= expire_time. The corresponding callback will be called. */
|
1133 |
void qemu_mod_timer(QEMUTimer *ts, int64_t expire_time)
|
1134 |
{ |
1135 |
QEMUTimer **pt, *t; |
1136 |
|
1137 |
qemu_del_timer(ts); |
1138 |
|
1139 |
/* add the timer in the sorted list */
|
1140 |
/* NOTE: this code must be signal safe because
|
1141 |
qemu_timer_expired() can be called from a signal. */
|
1142 |
pt = &active_timers[ts->clock->type]; |
1143 |
for(;;) {
|
1144 |
t = *pt; |
1145 |
if (!t)
|
1146 |
break;
|
1147 |
if (t->expire_time > expire_time)
|
1148 |
break;
|
1149 |
pt = &t->next; |
1150 |
} |
1151 |
ts->expire_time = expire_time; |
1152 |
ts->next = *pt; |
1153 |
*pt = ts; |
1154 |
|
1155 |
/* Rearm if necessary */
|
1156 |
if (pt == &active_timers[ts->clock->type]) {
|
1157 |
if ((alarm_timer->flags & ALARM_FLAG_EXPIRED) == 0) { |
1158 |
qemu_rearm_alarm_timer(alarm_timer); |
1159 |
} |
1160 |
/* Interrupt execution to force deadline recalculation. */
|
1161 |
if (use_icount && cpu_single_env) {
|
1162 |
cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT); |
1163 |
} |
1164 |
} |
1165 |
} |
1166 |
|
1167 |
int qemu_timer_pending(QEMUTimer *ts)
|
1168 |
{ |
1169 |
QEMUTimer *t; |
1170 |
for(t = active_timers[ts->clock->type]; t != NULL; t = t->next) { |
1171 |
if (t == ts)
|
1172 |
return 1; |
1173 |
} |
1174 |
return 0; |
1175 |
} |
1176 |
|
1177 |
static inline int qemu_timer_expired(QEMUTimer *timer_head, int64_t current_time) |
1178 |
{ |
1179 |
if (!timer_head)
|
1180 |
return 0; |
1181 |
return (timer_head->expire_time <= current_time);
|
1182 |
} |
1183 |
|
1184 |
static void qemu_run_timers(QEMUTimer **ptimer_head, int64_t current_time) |
1185 |
{ |
1186 |
QEMUTimer *ts; |
1187 |
|
1188 |
for(;;) {
|
1189 |
ts = *ptimer_head; |
1190 |
if (!ts || ts->expire_time > current_time)
|
1191 |
break;
|
1192 |
/* remove timer from the list before calling the callback */
|
1193 |
*ptimer_head = ts->next; |
1194 |
ts->next = NULL;
|
1195 |
|
1196 |
/* run the callback (the timer list can be modified) */
|
1197 |
ts->cb(ts->opaque); |
1198 |
} |
1199 |
} |
1200 |
|
1201 |
int64_t qemu_get_clock(QEMUClock *clock) |
1202 |
{ |
1203 |
switch(clock->type) {
|
1204 |
case QEMU_TIMER_REALTIME:
|
1205 |
return get_clock() / 1000000; |
1206 |
default:
|
1207 |
case QEMU_TIMER_VIRTUAL:
|
1208 |
if (use_icount) {
|
1209 |
return cpu_get_icount();
|
1210 |
} else {
|
1211 |
return cpu_get_clock();
|
1212 |
} |
1213 |
} |
1214 |
} |
1215 |
|
1216 |
static void init_timers(void) |
1217 |
{ |
1218 |
init_get_clock(); |
1219 |
ticks_per_sec = QEMU_TIMER_BASE; |
1220 |
rt_clock = qemu_new_clock(QEMU_TIMER_REALTIME); |
1221 |
vm_clock = qemu_new_clock(QEMU_TIMER_VIRTUAL); |
1222 |
} |
1223 |
|
1224 |
/* save a timer */
|
1225 |
void qemu_put_timer(QEMUFile *f, QEMUTimer *ts)
|
1226 |
{ |
1227 |
uint64_t expire_time; |
1228 |
|
1229 |
if (qemu_timer_pending(ts)) {
|
1230 |
expire_time = ts->expire_time; |
1231 |
} else {
|
1232 |
expire_time = -1;
|
1233 |
} |
1234 |
qemu_put_be64(f, expire_time); |
1235 |
} |
1236 |
|
1237 |
void qemu_get_timer(QEMUFile *f, QEMUTimer *ts)
|
1238 |
{ |
1239 |
uint64_t expire_time; |
1240 |
|
1241 |
expire_time = qemu_get_be64(f); |
1242 |
if (expire_time != -1) { |
1243 |
qemu_mod_timer(ts, expire_time); |
1244 |
} else {
|
1245 |
qemu_del_timer(ts); |
1246 |
} |
1247 |
} |
1248 |
|
1249 |
static void timer_save(QEMUFile *f, void *opaque) |
1250 |
{ |
1251 |
if (cpu_ticks_enabled) {
|
1252 |
hw_error("cannot save state if virtual timers are running");
|
1253 |
} |
1254 |
qemu_put_be64(f, cpu_ticks_offset); |
1255 |
qemu_put_be64(f, ticks_per_sec); |
1256 |
qemu_put_be64(f, cpu_clock_offset); |
1257 |
} |
1258 |
|
1259 |
static int timer_load(QEMUFile *f, void *opaque, int version_id) |
1260 |
{ |
1261 |
if (version_id != 1 && version_id != 2) |
1262 |
return -EINVAL;
|
1263 |
if (cpu_ticks_enabled) {
|
1264 |
return -EINVAL;
|
1265 |
} |
1266 |
cpu_ticks_offset=qemu_get_be64(f); |
1267 |
ticks_per_sec=qemu_get_be64(f); |
1268 |
if (version_id == 2) { |
1269 |
cpu_clock_offset=qemu_get_be64(f); |
1270 |
} |
1271 |
return 0; |
1272 |
} |
1273 |
|
1274 |
#ifdef _WIN32
|
1275 |
void CALLBACK host_alarm_handler(UINT uTimerID, UINT uMsg,
|
1276 |
DWORD_PTR dwUser, DWORD_PTR dw1, DWORD_PTR dw2) |
1277 |
#else
|
1278 |
static void host_alarm_handler(int host_signum) |
1279 |
#endif
|
1280 |
{ |
1281 |
#if 0
|
1282 |
#define DISP_FREQ 1000
|
1283 |
{
|
1284 |
static int64_t delta_min = INT64_MAX;
|
1285 |
static int64_t delta_max, delta_cum, last_clock, delta, ti;
|
1286 |
static int count;
|
1287 |
ti = qemu_get_clock(vm_clock);
|
1288 |
if (last_clock != 0) {
|
1289 |
delta = ti - last_clock;
|
1290 |
if (delta < delta_min)
|
1291 |
delta_min = delta;
|
1292 |
if (delta > delta_max)
|
1293 |
delta_max = delta;
|
1294 |
delta_cum += delta;
|
1295 |
if (++count == DISP_FREQ) {
|
1296 |
printf("timer: min=%" PRId64 " us max=%" PRId64 " us avg=%" PRId64 " us avg_freq=%0.3f Hz\n",
|
1297 |
muldiv64(delta_min, 1000000, ticks_per_sec),
|
1298 |
muldiv64(delta_max, 1000000, ticks_per_sec),
|
1299 |
muldiv64(delta_cum, 1000000 / DISP_FREQ, ticks_per_sec),
|
1300 |
(double)ticks_per_sec / ((double)delta_cum / DISP_FREQ));
|
1301 |
count = 0;
|
1302 |
delta_min = INT64_MAX;
|
1303 |
delta_max = 0;
|
1304 |
delta_cum = 0;
|
1305 |
}
|
1306 |
}
|
1307 |
last_clock = ti;
|
1308 |
}
|
1309 |
#endif
|
1310 |
if (alarm_has_dynticks(alarm_timer) ||
|
1311 |
(!use_icount && |
1312 |
qemu_timer_expired(active_timers[QEMU_TIMER_VIRTUAL], |
1313 |
qemu_get_clock(vm_clock))) || |
1314 |
qemu_timer_expired(active_timers[QEMU_TIMER_REALTIME], |
1315 |
qemu_get_clock(rt_clock))) { |
1316 |
#ifdef _WIN32
|
1317 |
struct qemu_alarm_win32 *data = ((struct qemu_alarm_timer*)dwUser)->priv; |
1318 |
SetEvent(data->host_alarm); |
1319 |
#endif
|
1320 |
CPUState *env = next_cpu; |
1321 |
|
1322 |
alarm_timer->flags |= ALARM_FLAG_EXPIRED; |
1323 |
|
1324 |
if (env) {
|
1325 |
/* stop the currently executing cpu because a timer occured */
|
1326 |
cpu_interrupt(env, CPU_INTERRUPT_EXIT); |
1327 |
#ifdef USE_KQEMU
|
1328 |
if (env->kqemu_enabled) {
|
1329 |
kqemu_cpu_interrupt(env); |
1330 |
} |
1331 |
#endif
|
1332 |
} |
1333 |
event_pending = 1;
|
1334 |
} |
1335 |
} |
1336 |
|
1337 |
static int64_t qemu_next_deadline(void) |
1338 |
{ |
1339 |
int64_t delta; |
1340 |
|
1341 |
if (active_timers[QEMU_TIMER_VIRTUAL]) {
|
1342 |
delta = active_timers[QEMU_TIMER_VIRTUAL]->expire_time - |
1343 |
qemu_get_clock(vm_clock); |
1344 |
} else {
|
1345 |
/* To avoid problems with overflow limit this to 2^32. */
|
1346 |
delta = INT32_MAX; |
1347 |
} |
1348 |
|
1349 |
if (delta < 0) |
1350 |
delta = 0;
|
1351 |
|
1352 |
return delta;
|
1353 |
} |
1354 |
|
1355 |
#if defined(__linux__) || defined(_WIN32)
|
1356 |
static uint64_t qemu_next_deadline_dyntick(void) |
1357 |
{ |
1358 |
int64_t delta; |
1359 |
int64_t rtdelta; |
1360 |
|
1361 |
if (use_icount)
|
1362 |
delta = INT32_MAX; |
1363 |
else
|
1364 |
delta = (qemu_next_deadline() + 999) / 1000; |
1365 |
|
1366 |
if (active_timers[QEMU_TIMER_REALTIME]) {
|
1367 |
rtdelta = (active_timers[QEMU_TIMER_REALTIME]->expire_time - |
1368 |
qemu_get_clock(rt_clock))*1000;
|
1369 |
if (rtdelta < delta)
|
1370 |
delta = rtdelta; |
1371 |
} |
1372 |
|
1373 |
if (delta < MIN_TIMER_REARM_US)
|
1374 |
delta = MIN_TIMER_REARM_US; |
1375 |
|
1376 |
return delta;
|
1377 |
} |
1378 |
#endif
|
1379 |
|
1380 |
#ifndef _WIN32
|
1381 |
|
1382 |
#if defined(__linux__)
|
1383 |
|
1384 |
#define RTC_FREQ 1024 |
1385 |
|
1386 |
static void enable_sigio_timer(int fd) |
1387 |
{ |
1388 |
struct sigaction act;
|
1389 |
|
1390 |
/* timer signal */
|
1391 |
sigfillset(&act.sa_mask); |
1392 |
act.sa_flags = 0;
|
1393 |
act.sa_handler = host_alarm_handler; |
1394 |
|
1395 |
sigaction(SIGIO, &act, NULL);
|
1396 |
fcntl(fd, F_SETFL, O_ASYNC); |
1397 |
fcntl(fd, F_SETOWN, getpid()); |
1398 |
} |
1399 |
|
1400 |
static int hpet_start_timer(struct qemu_alarm_timer *t) |
1401 |
{ |
1402 |
struct hpet_info info;
|
1403 |
int r, fd;
|
1404 |
|
1405 |
fd = open("/dev/hpet", O_RDONLY);
|
1406 |
if (fd < 0) |
1407 |
return -1; |
1408 |
|
1409 |
/* Set frequency */
|
1410 |
r = ioctl(fd, HPET_IRQFREQ, RTC_FREQ); |
1411 |
if (r < 0) { |
1412 |
fprintf(stderr, "Could not configure '/dev/hpet' to have a 1024Hz timer. This is not a fatal\n"
|
1413 |
"error, but for better emulation accuracy type:\n"
|
1414 |
"'echo 1024 > /proc/sys/dev/hpet/max-user-freq' as root.\n");
|
1415 |
goto fail;
|
1416 |
} |
1417 |
|
1418 |
/* Check capabilities */
|
1419 |
r = ioctl(fd, HPET_INFO, &info); |
1420 |
if (r < 0) |
1421 |
goto fail;
|
1422 |
|
1423 |
/* Enable periodic mode */
|
1424 |
r = ioctl(fd, HPET_EPI, 0);
|
1425 |
if (info.hi_flags && (r < 0)) |
1426 |
goto fail;
|
1427 |
|
1428 |
/* Enable interrupt */
|
1429 |
r = ioctl(fd, HPET_IE_ON, 0);
|
1430 |
if (r < 0) |
1431 |
goto fail;
|
1432 |
|
1433 |
enable_sigio_timer(fd); |
1434 |
t->priv = (void *)(long)fd; |
1435 |
|
1436 |
return 0; |
1437 |
fail:
|
1438 |
close(fd); |
1439 |
return -1; |
1440 |
} |
1441 |
|
1442 |
static void hpet_stop_timer(struct qemu_alarm_timer *t) |
1443 |
{ |
1444 |
int fd = (long)t->priv; |
1445 |
|
1446 |
close(fd); |
1447 |
} |
1448 |
|
1449 |
static int rtc_start_timer(struct qemu_alarm_timer *t) |
1450 |
{ |
1451 |
int rtc_fd;
|
1452 |
unsigned long current_rtc_freq = 0; |
1453 |
|
1454 |
TFR(rtc_fd = open("/dev/rtc", O_RDONLY));
|
1455 |
if (rtc_fd < 0) |
1456 |
return -1; |
1457 |
ioctl(rtc_fd, RTC_IRQP_READ, ¤t_rtc_freq); |
1458 |
if (current_rtc_freq != RTC_FREQ &&
|
1459 |
ioctl(rtc_fd, RTC_IRQP_SET, RTC_FREQ) < 0) {
|
1460 |
fprintf(stderr, "Could not configure '/dev/rtc' to have a 1024 Hz timer. This is not a fatal\n"
|
1461 |
"error, but for better emulation accuracy either use a 2.6 host Linux kernel or\n"
|
1462 |
"type 'echo 1024 > /proc/sys/dev/rtc/max-user-freq' as root.\n");
|
1463 |
goto fail;
|
1464 |
} |
1465 |
if (ioctl(rtc_fd, RTC_PIE_ON, 0) < 0) { |
1466 |
fail:
|
1467 |
close(rtc_fd); |
1468 |
return -1; |
1469 |
} |
1470 |
|
1471 |
enable_sigio_timer(rtc_fd); |
1472 |
|
1473 |
t->priv = (void *)(long)rtc_fd; |
1474 |
|
1475 |
return 0; |
1476 |
} |
1477 |
|
1478 |
static void rtc_stop_timer(struct qemu_alarm_timer *t) |
1479 |
{ |
1480 |
int rtc_fd = (long)t->priv; |
1481 |
|
1482 |
close(rtc_fd); |
1483 |
} |
1484 |
|
1485 |
static int dynticks_start_timer(struct qemu_alarm_timer *t) |
1486 |
{ |
1487 |
struct sigevent ev;
|
1488 |
timer_t host_timer; |
1489 |
struct sigaction act;
|
1490 |
|
1491 |
sigfillset(&act.sa_mask); |
1492 |
act.sa_flags = 0;
|
1493 |
act.sa_handler = host_alarm_handler; |
1494 |
|
1495 |
sigaction(SIGALRM, &act, NULL);
|
1496 |
|
1497 |
ev.sigev_value.sival_int = 0;
|
1498 |
ev.sigev_notify = SIGEV_SIGNAL; |
1499 |
ev.sigev_signo = SIGALRM; |
1500 |
|
1501 |
if (timer_create(CLOCK_REALTIME, &ev, &host_timer)) {
|
1502 |
perror("timer_create");
|
1503 |
|
1504 |
/* disable dynticks */
|
1505 |
fprintf(stderr, "Dynamic Ticks disabled\n");
|
1506 |
|
1507 |
return -1; |
1508 |
} |
1509 |
|
1510 |
t->priv = (void *)host_timer;
|
1511 |
|
1512 |
return 0; |
1513 |
} |
1514 |
|
1515 |
static void dynticks_stop_timer(struct qemu_alarm_timer *t) |
1516 |
{ |
1517 |
timer_t host_timer = (timer_t)t->priv; |
1518 |
|
1519 |
timer_delete(host_timer); |
1520 |
} |
1521 |
|
1522 |
static void dynticks_rearm_timer(struct qemu_alarm_timer *t) |
1523 |
{ |
1524 |
timer_t host_timer = (timer_t)t->priv; |
1525 |
struct itimerspec timeout;
|
1526 |
int64_t nearest_delta_us = INT64_MAX; |
1527 |
int64_t current_us; |
1528 |
|
1529 |
if (!active_timers[QEMU_TIMER_REALTIME] &&
|
1530 |
!active_timers[QEMU_TIMER_VIRTUAL]) |
1531 |
return;
|
1532 |
|
1533 |
nearest_delta_us = qemu_next_deadline_dyntick(); |
1534 |
|
1535 |
/* check whether a timer is already running */
|
1536 |
if (timer_gettime(host_timer, &timeout)) {
|
1537 |
perror("gettime");
|
1538 |
fprintf(stderr, "Internal timer error: aborting\n");
|
1539 |
exit(1);
|
1540 |
} |
1541 |
current_us = timeout.it_value.tv_sec * 1000000 + timeout.it_value.tv_nsec/1000; |
1542 |
if (current_us && current_us <= nearest_delta_us)
|
1543 |
return;
|
1544 |
|
1545 |
timeout.it_interval.tv_sec = 0;
|
1546 |
timeout.it_interval.tv_nsec = 0; /* 0 for one-shot timer */ |
1547 |
timeout.it_value.tv_sec = nearest_delta_us / 1000000;
|
1548 |
timeout.it_value.tv_nsec = (nearest_delta_us % 1000000) * 1000; |
1549 |
if (timer_settime(host_timer, 0 /* RELATIVE */, &timeout, NULL)) { |
1550 |
perror("settime");
|
1551 |
fprintf(stderr, "Internal timer error: aborting\n");
|
1552 |
exit(1);
|
1553 |
} |
1554 |
} |
1555 |
|
1556 |
#endif /* defined(__linux__) */ |
1557 |
|
1558 |
static int unix_start_timer(struct qemu_alarm_timer *t) |
1559 |
{ |
1560 |
struct sigaction act;
|
1561 |
struct itimerval itv;
|
1562 |
int err;
|
1563 |
|
1564 |
/* timer signal */
|
1565 |
sigfillset(&act.sa_mask); |
1566 |
act.sa_flags = 0;
|
1567 |
act.sa_handler = host_alarm_handler; |
1568 |
|
1569 |
sigaction(SIGALRM, &act, NULL);
|
1570 |
|
1571 |
itv.it_interval.tv_sec = 0;
|
1572 |
/* for i386 kernel 2.6 to get 1 ms */
|
1573 |
itv.it_interval.tv_usec = 999;
|
1574 |
itv.it_value.tv_sec = 0;
|
1575 |
itv.it_value.tv_usec = 10 * 1000; |
1576 |
|
1577 |
err = setitimer(ITIMER_REAL, &itv, NULL);
|
1578 |
if (err)
|
1579 |
return -1; |
1580 |
|
1581 |
return 0; |
1582 |
} |
1583 |
|
1584 |
static void unix_stop_timer(struct qemu_alarm_timer *t) |
1585 |
{ |
1586 |
struct itimerval itv;
|
1587 |
|
1588 |
memset(&itv, 0, sizeof(itv)); |
1589 |
setitimer(ITIMER_REAL, &itv, NULL);
|
1590 |
} |
1591 |
|
1592 |
#endif /* !defined(_WIN32) */ |
1593 |
|
1594 |
#ifdef _WIN32
|
1595 |
|
1596 |
static int win32_start_timer(struct qemu_alarm_timer *t) |
1597 |
{ |
1598 |
TIMECAPS tc; |
1599 |
struct qemu_alarm_win32 *data = t->priv;
|
1600 |
UINT flags; |
1601 |
|
1602 |
data->host_alarm = CreateEvent(NULL, FALSE, FALSE, NULL); |
1603 |
if (!data->host_alarm) {
|
1604 |
perror("Failed CreateEvent");
|
1605 |
return -1; |
1606 |
} |
1607 |
|
1608 |
memset(&tc, 0, sizeof(tc)); |
1609 |
timeGetDevCaps(&tc, sizeof(tc));
|
1610 |
|
1611 |
if (data->period < tc.wPeriodMin)
|
1612 |
data->period = tc.wPeriodMin; |
1613 |
|
1614 |
timeBeginPeriod(data->period); |
1615 |
|
1616 |
flags = TIME_CALLBACK_FUNCTION; |
1617 |
if (alarm_has_dynticks(t))
|
1618 |
flags |= TIME_ONESHOT; |
1619 |
else
|
1620 |
flags |= TIME_PERIODIC; |
1621 |
|
1622 |
data->timerId = timeSetEvent(1, // interval (ms) |
1623 |
data->period, // resolution
|
1624 |
host_alarm_handler, // function
|
1625 |
(DWORD)t, // parameter
|
1626 |
flags); |
1627 |
|
1628 |
if (!data->timerId) {
|
1629 |
perror("Failed to initialize win32 alarm timer");
|
1630 |
|
1631 |
timeEndPeriod(data->period); |
1632 |
CloseHandle(data->host_alarm); |
1633 |
return -1; |
1634 |
} |
1635 |
|
1636 |
qemu_add_wait_object(data->host_alarm, NULL, NULL); |
1637 |
|
1638 |
return 0; |
1639 |
} |
1640 |
|
1641 |
static void win32_stop_timer(struct qemu_alarm_timer *t) |
1642 |
{ |
1643 |
struct qemu_alarm_win32 *data = t->priv;
|
1644 |
|
1645 |
timeKillEvent(data->timerId); |
1646 |
timeEndPeriod(data->period); |
1647 |
|
1648 |
CloseHandle(data->host_alarm); |
1649 |
} |
1650 |
|
1651 |
static void win32_rearm_timer(struct qemu_alarm_timer *t) |
1652 |
{ |
1653 |
struct qemu_alarm_win32 *data = t->priv;
|
1654 |
uint64_t nearest_delta_us; |
1655 |
|
1656 |
if (!active_timers[QEMU_TIMER_REALTIME] &&
|
1657 |
!active_timers[QEMU_TIMER_VIRTUAL]) |
1658 |
return;
|
1659 |
|
1660 |
nearest_delta_us = qemu_next_deadline_dyntick(); |
1661 |
nearest_delta_us /= 1000;
|
1662 |
|
1663 |
timeKillEvent(data->timerId); |
1664 |
|
1665 |
data->timerId = timeSetEvent(1,
|
1666 |
data->period, |
1667 |
host_alarm_handler, |
1668 |
(DWORD)t, |
1669 |
TIME_ONESHOT | TIME_PERIODIC); |
1670 |
|
1671 |
if (!data->timerId) {
|
1672 |
perror("Failed to re-arm win32 alarm timer");
|
1673 |
|
1674 |
timeEndPeriod(data->period); |
1675 |
CloseHandle(data->host_alarm); |
1676 |
exit(1);
|
1677 |
} |
1678 |
} |
1679 |
|
1680 |
#endif /* _WIN32 */ |
1681 |
|
1682 |
static void init_timer_alarm(void) |
1683 |
{ |
1684 |
struct qemu_alarm_timer *t = NULL; |
1685 |
int i, err = -1; |
1686 |
|
1687 |
for (i = 0; alarm_timers[i].name; i++) { |
1688 |
t = &alarm_timers[i]; |
1689 |
|
1690 |
err = t->start(t); |
1691 |
if (!err)
|
1692 |
break;
|
1693 |
} |
1694 |
|
1695 |
if (err) {
|
1696 |
fprintf(stderr, "Unable to find any suitable alarm timer.\n");
|
1697 |
fprintf(stderr, "Terminating\n");
|
1698 |
exit(1);
|
1699 |
} |
1700 |
|
1701 |
alarm_timer = t; |
1702 |
} |
1703 |
|
1704 |
static void quit_timers(void) |
1705 |
{ |
1706 |
alarm_timer->stop(alarm_timer); |
1707 |
alarm_timer = NULL;
|
1708 |
} |
1709 |
|
1710 |
/***********************************************************/
|
1711 |
/* host time/date access */
|
1712 |
void qemu_get_timedate(struct tm *tm, int offset) |
1713 |
{ |
1714 |
time_t ti; |
1715 |
struct tm *ret;
|
1716 |
|
1717 |
time(&ti); |
1718 |
ti += offset; |
1719 |
if (rtc_date_offset == -1) { |
1720 |
if (rtc_utc)
|
1721 |
ret = gmtime(&ti); |
1722 |
else
|
1723 |
ret = localtime(&ti); |
1724 |
} else {
|
1725 |
ti -= rtc_date_offset; |
1726 |
ret = gmtime(&ti); |
1727 |
} |
1728 |
|
1729 |
memcpy(tm, ret, sizeof(struct tm)); |
1730 |
} |
1731 |
|
1732 |
int qemu_timedate_diff(struct tm *tm) |
1733 |
{ |
1734 |
time_t seconds; |
1735 |
|
1736 |
if (rtc_date_offset == -1) |
1737 |
if (rtc_utc)
|
1738 |
seconds = mktimegm(tm); |
1739 |
else
|
1740 |
seconds = mktime(tm); |
1741 |
else
|
1742 |
seconds = mktimegm(tm) + rtc_date_offset; |
1743 |
|
1744 |
return seconds - time(NULL); |
1745 |
} |
1746 |
|
1747 |
/***********************************************************/
|
1748 |
/* character device */
|
1749 |
|
1750 |
static void qemu_chr_event(CharDriverState *s, int event) |
1751 |
{ |
1752 |
if (!s->chr_event)
|
1753 |
return;
|
1754 |
s->chr_event(s->handler_opaque, event); |
1755 |
} |
1756 |
|
1757 |
static void qemu_chr_reset_bh(void *opaque) |
1758 |
{ |
1759 |
CharDriverState *s = opaque; |
1760 |
qemu_chr_event(s, CHR_EVENT_RESET); |
1761 |
qemu_bh_delete(s->bh); |
1762 |
s->bh = NULL;
|
1763 |
} |
1764 |
|
1765 |
void qemu_chr_reset(CharDriverState *s)
|
1766 |
{ |
1767 |
if (s->bh == NULL) { |
1768 |
s->bh = qemu_bh_new(qemu_chr_reset_bh, s); |
1769 |
qemu_bh_schedule(s->bh); |
1770 |
} |
1771 |
} |
1772 |
|
1773 |
int qemu_chr_write(CharDriverState *s, const uint8_t *buf, int len) |
1774 |
{ |
1775 |
return s->chr_write(s, buf, len);
|
1776 |
} |
1777 |
|
1778 |
int qemu_chr_ioctl(CharDriverState *s, int cmd, void *arg) |
1779 |
{ |
1780 |
if (!s->chr_ioctl)
|
1781 |
return -ENOTSUP;
|
1782 |
return s->chr_ioctl(s, cmd, arg);
|
1783 |
} |
1784 |
|
1785 |
int qemu_chr_can_read(CharDriverState *s)
|
1786 |
{ |
1787 |
if (!s->chr_can_read)
|
1788 |
return 0; |
1789 |
return s->chr_can_read(s->handler_opaque);
|
1790 |
} |
1791 |
|
1792 |
void qemu_chr_read(CharDriverState *s, uint8_t *buf, int len) |
1793 |
{ |
1794 |
s->chr_read(s->handler_opaque, buf, len); |
1795 |
} |
1796 |
|
1797 |
void qemu_chr_accept_input(CharDriverState *s)
|
1798 |
{ |
1799 |
if (s->chr_accept_input)
|
1800 |
s->chr_accept_input(s); |
1801 |
} |
1802 |
|
1803 |
void qemu_chr_printf(CharDriverState *s, const char *fmt, ...) |
1804 |
{ |
1805 |
char buf[4096]; |
1806 |
va_list ap; |
1807 |
va_start(ap, fmt); |
1808 |
vsnprintf(buf, sizeof(buf), fmt, ap);
|
1809 |
qemu_chr_write(s, (uint8_t *)buf, strlen(buf)); |
1810 |
va_end(ap); |
1811 |
} |
1812 |
|
1813 |
void qemu_chr_send_event(CharDriverState *s, int event) |
1814 |
{ |
1815 |
if (s->chr_send_event)
|
1816 |
s->chr_send_event(s, event); |
1817 |
} |
1818 |
|
1819 |
void qemu_chr_add_handlers(CharDriverState *s,
|
1820 |
IOCanRWHandler *fd_can_read, |
1821 |
IOReadHandler *fd_read, |
1822 |
IOEventHandler *fd_event, |
1823 |
void *opaque)
|
1824 |
{ |
1825 |
s->chr_can_read = fd_can_read; |
1826 |
s->chr_read = fd_read; |
1827 |
s->chr_event = fd_event; |
1828 |
s->handler_opaque = opaque; |
1829 |
if (s->chr_update_read_handler)
|
1830 |
s->chr_update_read_handler(s); |
1831 |
} |
1832 |
|
1833 |
static int null_chr_write(CharDriverState *chr, const uint8_t *buf, int len) |
1834 |
{ |
1835 |
return len;
|
1836 |
} |
1837 |
|
1838 |
static CharDriverState *qemu_chr_open_null(void) |
1839 |
{ |
1840 |
CharDriverState *chr; |
1841 |
|
1842 |
chr = qemu_mallocz(sizeof(CharDriverState));
|
1843 |
if (!chr)
|
1844 |
return NULL; |
1845 |
chr->chr_write = null_chr_write; |
1846 |
return chr;
|
1847 |
} |
1848 |
|
1849 |
/* MUX driver for serial I/O splitting */
|
1850 |
static int term_timestamps; |
1851 |
static int64_t term_timestamps_start;
|
1852 |
#define MAX_MUX 4 |
1853 |
#define MUX_BUFFER_SIZE 32 /* Must be a power of 2. */ |
1854 |
#define MUX_BUFFER_MASK (MUX_BUFFER_SIZE - 1) |
1855 |
typedef struct { |
1856 |
IOCanRWHandler *chr_can_read[MAX_MUX]; |
1857 |
IOReadHandler *chr_read[MAX_MUX]; |
1858 |
IOEventHandler *chr_event[MAX_MUX]; |
1859 |
void *ext_opaque[MAX_MUX];
|
1860 |
CharDriverState *drv; |
1861 |
unsigned char buffer[MUX_BUFFER_SIZE]; |
1862 |
int prod;
|
1863 |
int cons;
|
1864 |
int mux_cnt;
|
1865 |
int term_got_escape;
|
1866 |
int max_size;
|
1867 |
} MuxDriver; |
1868 |
|
1869 |
|
1870 |
static int mux_chr_write(CharDriverState *chr, const uint8_t *buf, int len) |
1871 |
{ |
1872 |
MuxDriver *d = chr->opaque; |
1873 |
int ret;
|
1874 |
if (!term_timestamps) {
|
1875 |
ret = d->drv->chr_write(d->drv, buf, len); |
1876 |
} else {
|
1877 |
int i;
|
1878 |
|
1879 |
ret = 0;
|
1880 |
for(i = 0; i < len; i++) { |
1881 |
ret += d->drv->chr_write(d->drv, buf+i, 1);
|
1882 |
if (buf[i] == '\n') { |
1883 |
char buf1[64]; |
1884 |
int64_t ti; |
1885 |
int secs;
|
1886 |
|
1887 |
ti = get_clock(); |
1888 |
if (term_timestamps_start == -1) |
1889 |
term_timestamps_start = ti; |
1890 |
ti -= term_timestamps_start; |
1891 |
secs = ti / 1000000000;
|
1892 |
snprintf(buf1, sizeof(buf1),
|
1893 |
"[%02d:%02d:%02d.%03d] ",
|
1894 |
secs / 3600,
|
1895 |
(secs / 60) % 60, |
1896 |
secs % 60,
|
1897 |
(int)((ti / 1000000) % 1000)); |
1898 |
d->drv->chr_write(d->drv, (uint8_t *)buf1, strlen(buf1)); |
1899 |
} |
1900 |
} |
1901 |
} |
1902 |
return ret;
|
1903 |
} |
1904 |
|
1905 |
static const char * const mux_help[] = { |
1906 |
"% h print this help\n\r",
|
1907 |
"% x exit emulator\n\r",
|
1908 |
"% s save disk data back to file (if -snapshot)\n\r",
|
1909 |
"% t toggle console timestamps\n\r"
|
1910 |
"% b send break (magic sysrq)\n\r",
|
1911 |
"% c switch between console and monitor\n\r",
|
1912 |
"% % sends %\n\r",
|
1913 |
NULL
|
1914 |
}; |
1915 |
|
1916 |
static int term_escape_char = 0x01; /* ctrl-a is used for escape */ |
1917 |
static void mux_print_help(CharDriverState *chr) |
1918 |
{ |
1919 |
int i, j;
|
1920 |
char ebuf[15] = "Escape-Char"; |
1921 |
char cbuf[50] = "\n\r"; |
1922 |
|
1923 |
if (term_escape_char > 0 && term_escape_char < 26) { |
1924 |
snprintf(cbuf, sizeof(cbuf), "\n\r"); |
1925 |
snprintf(ebuf, sizeof(ebuf), "C-%c", term_escape_char - 1 + 'a'); |
1926 |
} else {
|
1927 |
snprintf(cbuf, sizeof(cbuf),
|
1928 |
"\n\rEscape-Char set to Ascii: 0x%02x\n\r\n\r",
|
1929 |
term_escape_char); |
1930 |
} |
1931 |
chr->chr_write(chr, (uint8_t *)cbuf, strlen(cbuf)); |
1932 |
for (i = 0; mux_help[i] != NULL; i++) { |
1933 |
for (j=0; mux_help[i][j] != '\0'; j++) { |
1934 |
if (mux_help[i][j] == '%') |
1935 |
chr->chr_write(chr, (uint8_t *)ebuf, strlen(ebuf)); |
1936 |
else
|
1937 |
chr->chr_write(chr, (uint8_t *)&mux_help[i][j], 1);
|
1938 |
} |
1939 |
} |
1940 |
} |
1941 |
|
1942 |
static int mux_proc_byte(CharDriverState *chr, MuxDriver *d, int ch) |
1943 |
{ |
1944 |
if (d->term_got_escape) {
|
1945 |
d->term_got_escape = 0;
|
1946 |
if (ch == term_escape_char)
|
1947 |
goto send_char;
|
1948 |
switch(ch) {
|
1949 |
case '?': |
1950 |
case 'h': |
1951 |
mux_print_help(chr); |
1952 |
break;
|
1953 |
case 'x': |
1954 |
{ |
1955 |
const char *term = "QEMU: Terminated\n\r"; |
1956 |
chr->chr_write(chr,(uint8_t *)term,strlen(term)); |
1957 |
exit(0);
|
1958 |
break;
|
1959 |
} |
1960 |
case 's': |
1961 |
{ |
1962 |
int i;
|
1963 |
for (i = 0; i < nb_drives; i++) { |
1964 |
bdrv_commit(drives_table[i].bdrv); |
1965 |
} |
1966 |
} |
1967 |
break;
|
1968 |
case 'b': |
1969 |
qemu_chr_event(chr, CHR_EVENT_BREAK); |
1970 |
break;
|
1971 |
case 'c': |
1972 |
/* Switch to the next registered device */
|
1973 |
chr->focus++; |
1974 |
if (chr->focus >= d->mux_cnt)
|
1975 |
chr->focus = 0;
|
1976 |
break;
|
1977 |
case 't': |
1978 |
term_timestamps = !term_timestamps; |
1979 |
term_timestamps_start = -1;
|
1980 |
break;
|
1981 |
} |
1982 |
} else if (ch == term_escape_char) { |
1983 |
d->term_got_escape = 1;
|
1984 |
} else {
|
1985 |
send_char:
|
1986 |
return 1; |
1987 |
} |
1988 |
return 0; |
1989 |
} |
1990 |
|
1991 |
static void mux_chr_accept_input(CharDriverState *chr) |
1992 |
{ |
1993 |
int m = chr->focus;
|
1994 |
MuxDriver *d = chr->opaque; |
1995 |
|
1996 |
while (d->prod != d->cons &&
|
1997 |
d->chr_can_read[m] && |
1998 |
d->chr_can_read[m](d->ext_opaque[m])) { |
1999 |
d->chr_read[m](d->ext_opaque[m], |
2000 |
&d->buffer[d->cons++ & MUX_BUFFER_MASK], 1);
|
2001 |
} |
2002 |
} |
2003 |
|
2004 |
static int mux_chr_can_read(void *opaque) |
2005 |
{ |
2006 |
CharDriverState *chr = opaque; |
2007 |
MuxDriver *d = chr->opaque; |
2008 |
|
2009 |
if ((d->prod - d->cons) < MUX_BUFFER_SIZE)
|
2010 |
return 1; |
2011 |
if (d->chr_can_read[chr->focus])
|
2012 |
return d->chr_can_read[chr->focus](d->ext_opaque[chr->focus]);
|
2013 |
return 0; |
2014 |
} |
2015 |
|
2016 |
static void mux_chr_read(void *opaque, const uint8_t *buf, int size) |
2017 |
{ |
2018 |
CharDriverState *chr = opaque; |
2019 |
MuxDriver *d = chr->opaque; |
2020 |
int m = chr->focus;
|
2021 |
int i;
|
2022 |
|
2023 |
mux_chr_accept_input (opaque); |
2024 |
|
2025 |
for(i = 0; i < size; i++) |
2026 |
if (mux_proc_byte(chr, d, buf[i])) {
|
2027 |
if (d->prod == d->cons &&
|
2028 |
d->chr_can_read[m] && |
2029 |
d->chr_can_read[m](d->ext_opaque[m])) |
2030 |
d->chr_read[m](d->ext_opaque[m], &buf[i], 1);
|
2031 |
else
|
2032 |
d->buffer[d->prod++ & MUX_BUFFER_MASK] = buf[i]; |
2033 |
} |
2034 |
} |
2035 |
|
2036 |
static void mux_chr_event(void *opaque, int event) |
2037 |
{ |
2038 |
CharDriverState *chr = opaque; |
2039 |
MuxDriver *d = chr->opaque; |
2040 |
int i;
|
2041 |
|
2042 |
/* Send the event to all registered listeners */
|
2043 |
for (i = 0; i < d->mux_cnt; i++) |
2044 |
if (d->chr_event[i])
|
2045 |
d->chr_event[i](d->ext_opaque[i], event); |
2046 |
} |
2047 |
|
2048 |
static void mux_chr_update_read_handler(CharDriverState *chr) |
2049 |
{ |
2050 |
MuxDriver *d = chr->opaque; |
2051 |
|
2052 |
if (d->mux_cnt >= MAX_MUX) {
|
2053 |
fprintf(stderr, "Cannot add I/O handlers, MUX array is full\n");
|
2054 |
return;
|
2055 |
} |
2056 |
d->ext_opaque[d->mux_cnt] = chr->handler_opaque; |
2057 |
d->chr_can_read[d->mux_cnt] = chr->chr_can_read; |
2058 |
d->chr_read[d->mux_cnt] = chr->chr_read; |
2059 |
d->chr_event[d->mux_cnt] = chr->chr_event; |
2060 |
/* Fix up the real driver with mux routines */
|
2061 |
if (d->mux_cnt == 0) { |
2062 |
qemu_chr_add_handlers(d->drv, mux_chr_can_read, mux_chr_read, |
2063 |
mux_chr_event, chr); |
2064 |
} |
2065 |
chr->focus = d->mux_cnt; |
2066 |
d->mux_cnt++; |
2067 |
} |
2068 |
|
2069 |
static CharDriverState *qemu_chr_open_mux(CharDriverState *drv)
|
2070 |
{ |
2071 |
CharDriverState *chr; |
2072 |
MuxDriver *d; |
2073 |
|
2074 |
chr = qemu_mallocz(sizeof(CharDriverState));
|
2075 |
if (!chr)
|
2076 |
return NULL; |
2077 |
d = qemu_mallocz(sizeof(MuxDriver));
|
2078 |
if (!d) {
|
2079 |
free(chr); |
2080 |
return NULL; |
2081 |
} |
2082 |
|
2083 |
chr->opaque = d; |
2084 |
d->drv = drv; |
2085 |
chr->focus = -1;
|
2086 |
chr->chr_write = mux_chr_write; |
2087 |
chr->chr_update_read_handler = mux_chr_update_read_handler; |
2088 |
chr->chr_accept_input = mux_chr_accept_input; |
2089 |
return chr;
|
2090 |
} |
2091 |
|
2092 |
|
2093 |
#ifdef _WIN32
|
2094 |
|
2095 |
static void socket_cleanup(void) |
2096 |
{ |
2097 |
WSACleanup(); |
2098 |
} |
2099 |
|
2100 |
static int socket_init(void) |
2101 |
{ |
2102 |
WSADATA Data; |
2103 |
int ret, err;
|
2104 |
|
2105 |
ret = WSAStartup(MAKEWORD(2,2), &Data); |
2106 |
if (ret != 0) { |
2107 |
err = WSAGetLastError(); |
2108 |
fprintf(stderr, "WSAStartup: %d\n", err);
|
2109 |
return -1; |
2110 |
} |
2111 |
atexit(socket_cleanup); |
2112 |
return 0; |
2113 |
} |
2114 |
|
2115 |
static int send_all(int fd, const uint8_t *buf, int len1) |
2116 |
{ |
2117 |
int ret, len;
|
2118 |
|
2119 |
len = len1; |
2120 |
while (len > 0) { |
2121 |
ret = send(fd, buf, len, 0);
|
2122 |
if (ret < 0) { |
2123 |
int errno;
|
2124 |
errno = WSAGetLastError(); |
2125 |
if (errno != WSAEWOULDBLOCK) {
|
2126 |
return -1; |
2127 |
} |
2128 |
} else if (ret == 0) { |
2129 |
break;
|
2130 |
} else {
|
2131 |
buf += ret; |
2132 |
len -= ret; |
2133 |
} |
2134 |
} |
2135 |
return len1 - len;
|
2136 |
} |
2137 |
|
2138 |
#else
|
2139 |
|
2140 |
static int unix_write(int fd, const uint8_t *buf, int len1) |
2141 |
{ |
2142 |
int ret, len;
|
2143 |
|
2144 |
len = len1; |
2145 |
while (len > 0) { |
2146 |
ret = write(fd, buf, len); |
2147 |
if (ret < 0) { |
2148 |
if (errno != EINTR && errno != EAGAIN)
|
2149 |
return -1; |
2150 |
} else if (ret == 0) { |
2151 |
break;
|
2152 |
} else {
|
2153 |
buf += ret; |
2154 |
len -= ret; |
2155 |
} |
2156 |
} |
2157 |
return len1 - len;
|
2158 |
} |
2159 |
|
2160 |
static inline int send_all(int fd, const uint8_t *buf, int len1) |
2161 |
{ |
2162 |
return unix_write(fd, buf, len1);
|
2163 |
} |
2164 |
#endif /* !_WIN32 */ |
2165 |
|
2166 |
#ifndef _WIN32
|
2167 |
|
2168 |
typedef struct { |
2169 |
int fd_in, fd_out;
|
2170 |
int max_size;
|
2171 |
} FDCharDriver; |
2172 |
|
2173 |
#define STDIO_MAX_CLIENTS 1 |
2174 |
static int stdio_nb_clients = 0; |
2175 |
|
2176 |
static int fd_chr_write(CharDriverState *chr, const uint8_t *buf, int len) |
2177 |
{ |
2178 |
FDCharDriver *s = chr->opaque; |
2179 |
return unix_write(s->fd_out, buf, len);
|
2180 |
} |
2181 |
|
2182 |
static int fd_chr_read_poll(void *opaque) |
2183 |
{ |
2184 |
CharDriverState *chr = opaque; |
2185 |
FDCharDriver *s = chr->opaque; |
2186 |
|
2187 |
s->max_size = qemu_chr_can_read(chr); |
2188 |
return s->max_size;
|
2189 |
} |
2190 |
|
2191 |
static void fd_chr_read(void *opaque) |
2192 |
{ |
2193 |
CharDriverState *chr = opaque; |
2194 |
FDCharDriver *s = chr->opaque; |
2195 |
int size, len;
|
2196 |
uint8_t buf[1024];
|
2197 |
|
2198 |
len = sizeof(buf);
|
2199 |
if (len > s->max_size)
|
2200 |
len = s->max_size; |
2201 |
if (len == 0) |
2202 |
return;
|
2203 |
size = read(s->fd_in, buf, len); |
2204 |
if (size == 0) { |
2205 |
/* FD has been closed. Remove it from the active list. */
|
2206 |
qemu_set_fd_handler2(s->fd_in, NULL, NULL, NULL, NULL); |
2207 |
return;
|
2208 |
} |
2209 |
if (size > 0) { |
2210 |
qemu_chr_read(chr, buf, size); |
2211 |
} |
2212 |
} |
2213 |
|
2214 |
static void fd_chr_update_read_handler(CharDriverState *chr) |
2215 |
{ |
2216 |
FDCharDriver *s = chr->opaque; |
2217 |
|
2218 |
if (s->fd_in >= 0) { |
2219 |
if (nographic && s->fd_in == 0) { |
2220 |
} else {
|
2221 |
qemu_set_fd_handler2(s->fd_in, fd_chr_read_poll, |
2222 |
fd_chr_read, NULL, chr);
|
2223 |
} |
2224 |
} |
2225 |
} |
2226 |
|
2227 |
static void fd_chr_close(struct CharDriverState *chr) |
2228 |
{ |
2229 |
FDCharDriver *s = chr->opaque; |
2230 |
|
2231 |
if (s->fd_in >= 0) { |
2232 |
if (nographic && s->fd_in == 0) { |
2233 |
} else {
|
2234 |
qemu_set_fd_handler2(s->fd_in, NULL, NULL, NULL, NULL); |
2235 |
} |
2236 |
} |
2237 |
|
2238 |
qemu_free(s); |
2239 |
} |
2240 |
|
2241 |
/* open a character device to a unix fd */
|
2242 |
static CharDriverState *qemu_chr_open_fd(int fd_in, int fd_out) |
2243 |
{ |
2244 |
CharDriverState *chr; |
2245 |
FDCharDriver *s; |
2246 |
|
2247 |
chr = qemu_mallocz(sizeof(CharDriverState));
|
2248 |
if (!chr)
|
2249 |
return NULL; |
2250 |
s = qemu_mallocz(sizeof(FDCharDriver));
|
2251 |
if (!s) {
|
2252 |
free(chr); |
2253 |
return NULL; |
2254 |
} |
2255 |
s->fd_in = fd_in; |
2256 |
s->fd_out = fd_out; |
2257 |
chr->opaque = s; |
2258 |
chr->chr_write = fd_chr_write; |
2259 |
chr->chr_update_read_handler = fd_chr_update_read_handler; |
2260 |
chr->chr_close = fd_chr_close; |
2261 |
|
2262 |
qemu_chr_reset(chr); |
2263 |
|
2264 |
return chr;
|
2265 |
} |
2266 |
|
2267 |
static CharDriverState *qemu_chr_open_file_out(const char *file_out) |
2268 |
{ |
2269 |
int fd_out;
|
2270 |
|
2271 |
TFR(fd_out = open(file_out, O_WRONLY | O_TRUNC | O_CREAT | O_BINARY, 0666));
|
2272 |
if (fd_out < 0) |
2273 |
return NULL; |
2274 |
return qemu_chr_open_fd(-1, fd_out); |
2275 |
} |
2276 |
|
2277 |
static CharDriverState *qemu_chr_open_pipe(const char *filename) |
2278 |
{ |
2279 |
int fd_in, fd_out;
|
2280 |
char filename_in[256], filename_out[256]; |
2281 |
|
2282 |
snprintf(filename_in, 256, "%s.in", filename); |
2283 |
snprintf(filename_out, 256, "%s.out", filename); |
2284 |
TFR(fd_in = open(filename_in, O_RDWR | O_BINARY)); |
2285 |
TFR(fd_out = open(filename_out, O_RDWR | O_BINARY)); |
2286 |
if (fd_in < 0 || fd_out < 0) { |
2287 |
if (fd_in >= 0) |
2288 |
close(fd_in); |
2289 |
if (fd_out >= 0) |
2290 |
close(fd_out); |
2291 |
TFR(fd_in = fd_out = open(filename, O_RDWR | O_BINARY)); |
2292 |
if (fd_in < 0) |
2293 |
return NULL; |
2294 |
} |
2295 |
return qemu_chr_open_fd(fd_in, fd_out);
|
2296 |
} |
2297 |
|
2298 |
|
2299 |
/* for STDIO, we handle the case where several clients use it
|
2300 |
(nographic mode) */
|
2301 |
|
2302 |
#define TERM_FIFO_MAX_SIZE 1 |
2303 |
|
2304 |
static uint8_t term_fifo[TERM_FIFO_MAX_SIZE];
|
2305 |
static int term_fifo_size; |
2306 |
|
2307 |
static int stdio_read_poll(void *opaque) |
2308 |
{ |
2309 |
CharDriverState *chr = opaque; |
2310 |
|
2311 |
/* try to flush the queue if needed */
|
2312 |
if (term_fifo_size != 0 && qemu_chr_can_read(chr) > 0) { |
2313 |
qemu_chr_read(chr, term_fifo, 1);
|
2314 |
term_fifo_size = 0;
|
2315 |
} |
2316 |
/* see if we can absorb more chars */
|
2317 |
if (term_fifo_size == 0) |
2318 |
return 1; |
2319 |
else
|
2320 |
return 0; |
2321 |
} |
2322 |
|
2323 |
static void stdio_read(void *opaque) |
2324 |
{ |
2325 |
int size;
|
2326 |
uint8_t buf[1];
|
2327 |
CharDriverState *chr = opaque; |
2328 |
|
2329 |
size = read(0, buf, 1); |
2330 |
if (size == 0) { |
2331 |
/* stdin has been closed. Remove it from the active list. */
|
2332 |
qemu_set_fd_handler2(0, NULL, NULL, NULL, NULL); |
2333 |
return;
|
2334 |
} |
2335 |
if (size > 0) { |
2336 |
if (qemu_chr_can_read(chr) > 0) { |
2337 |
qemu_chr_read(chr, buf, 1);
|
2338 |
} else if (term_fifo_size == 0) { |
2339 |
term_fifo[term_fifo_size++] = buf[0];
|
2340 |
} |
2341 |
} |
2342 |
} |
2343 |
|
2344 |
/* init terminal so that we can grab keys */
|
2345 |
static struct termios oldtty; |
2346 |
static int old_fd0_flags; |
2347 |
static int term_atexit_done; |
2348 |
|
2349 |
static void term_exit(void) |
2350 |
{ |
2351 |
tcsetattr (0, TCSANOW, &oldtty);
|
2352 |
fcntl(0, F_SETFL, old_fd0_flags);
|
2353 |
} |
2354 |
|
2355 |
static void term_init(void) |
2356 |
{ |
2357 |
struct termios tty;
|
2358 |
|
2359 |
tcgetattr (0, &tty);
|
2360 |
oldtty = tty; |
2361 |
old_fd0_flags = fcntl(0, F_GETFL);
|
2362 |
|
2363 |
tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP |
2364 |
|INLCR|IGNCR|ICRNL|IXON); |
2365 |
tty.c_oflag |= OPOST; |
2366 |
tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN); |
2367 |
/* if graphical mode, we allow Ctrl-C handling */
|
2368 |
if (nographic)
|
2369 |
tty.c_lflag &= ~ISIG; |
2370 |
tty.c_cflag &= ~(CSIZE|PARENB); |
2371 |
tty.c_cflag |= CS8; |
2372 |
tty.c_cc[VMIN] = 1;
|
2373 |
tty.c_cc[VTIME] = 0;
|
2374 |
|
2375 |
tcsetattr (0, TCSANOW, &tty);
|
2376 |
|
2377 |
if (!term_atexit_done++)
|
2378 |
atexit(term_exit); |
2379 |
|
2380 |
fcntl(0, F_SETFL, O_NONBLOCK);
|
2381 |
} |
2382 |
|
2383 |
static void qemu_chr_close_stdio(struct CharDriverState *chr) |
2384 |
{ |
2385 |
term_exit(); |
2386 |
stdio_nb_clients--; |
2387 |
qemu_set_fd_handler2(0, NULL, NULL, NULL, NULL); |
2388 |
fd_chr_close(chr); |
2389 |
} |
2390 |
|
2391 |
static CharDriverState *qemu_chr_open_stdio(void) |
2392 |
{ |
2393 |
CharDriverState *chr; |
2394 |
|
2395 |
if (stdio_nb_clients >= STDIO_MAX_CLIENTS)
|
2396 |
return NULL; |
2397 |
chr = qemu_chr_open_fd(0, 1); |
2398 |
chr->chr_close = qemu_chr_close_stdio; |
2399 |
qemu_set_fd_handler2(0, stdio_read_poll, stdio_read, NULL, chr); |
2400 |
stdio_nb_clients++; |
2401 |
term_init(); |
2402 |
|
2403 |
return chr;
|
2404 |
} |
2405 |
|
2406 |
#ifdef __sun__
|
2407 |
/* Once Solaris has openpty(), this is going to be removed. */
|
2408 |
int openpty(int *amaster, int *aslave, char *name, |
2409 |
struct termios *termp, struct winsize *winp) |
2410 |
{ |
2411 |
const char *slave; |
2412 |
int mfd = -1, sfd = -1; |
2413 |
|
2414 |
*amaster = *aslave = -1;
|
2415 |
|
2416 |
mfd = open("/dev/ptmx", O_RDWR | O_NOCTTY);
|
2417 |
if (mfd < 0) |
2418 |
goto err;
|
2419 |
|
2420 |
if (grantpt(mfd) == -1 || unlockpt(mfd) == -1) |
2421 |
goto err;
|
2422 |
|
2423 |
if ((slave = ptsname(mfd)) == NULL) |
2424 |
goto err;
|
2425 |
|
2426 |
if ((sfd = open(slave, O_RDONLY | O_NOCTTY)) == -1) |
2427 |
goto err;
|
2428 |
|
2429 |
if (ioctl(sfd, I_PUSH, "ptem") == -1 || |
2430 |
(termp != NULL && tcgetattr(sfd, termp) < 0)) |
2431 |
goto err;
|
2432 |
|
2433 |
if (amaster)
|
2434 |
*amaster = mfd; |
2435 |
if (aslave)
|
2436 |
*aslave = sfd; |
2437 |
if (winp)
|
2438 |
ioctl(sfd, TIOCSWINSZ, winp); |
2439 |
|
2440 |
return 0; |
2441 |
|
2442 |
err:
|
2443 |
if (sfd != -1) |
2444 |
close(sfd); |
2445 |
close(mfd); |
2446 |
return -1; |
2447 |
} |
2448 |
|
2449 |
void cfmakeraw (struct termios *termios_p) |
2450 |
{ |
2451 |
termios_p->c_iflag &= |
2452 |
~(IGNBRK|BRKINT|PARMRK|ISTRIP|INLCR|IGNCR|ICRNL|IXON); |
2453 |
termios_p->c_oflag &= ~OPOST; |
2454 |
termios_p->c_lflag &= ~(ECHO|ECHONL|ICANON|ISIG|IEXTEN); |
2455 |
termios_p->c_cflag &= ~(CSIZE|PARENB); |
2456 |
termios_p->c_cflag |= CS8; |
2457 |
|
2458 |
termios_p->c_cc[VMIN] = 0;
|
2459 |
termios_p->c_cc[VTIME] = 0;
|
2460 |
} |
2461 |
#endif
|
2462 |
|
2463 |
#if defined(__linux__) || defined(__sun__) || defined(__FreeBSD__) \
|
2464 |
|| defined(__NetBSD__) || defined(__OpenBSD__) |
2465 |
|
2466 |
typedef struct { |
2467 |
int fd;
|
2468 |
int connected;
|
2469 |
int polling;
|
2470 |
int read_bytes;
|
2471 |
QEMUTimer *timer; |
2472 |
} PtyCharDriver; |
2473 |
|
2474 |
static void pty_chr_update_read_handler(CharDriverState *chr); |
2475 |
static void pty_chr_state(CharDriverState *chr, int connected); |
2476 |
|
2477 |
static int pty_chr_write(CharDriverState *chr, const uint8_t *buf, int len) |
2478 |
{ |
2479 |
PtyCharDriver *s = chr->opaque; |
2480 |
|
2481 |
if (!s->connected) {
|
2482 |
/* guest sends data, check for (re-)connect */
|
2483 |
pty_chr_update_read_handler(chr); |
2484 |
return 0; |
2485 |
} |
2486 |
return unix_write(s->fd, buf, len);
|
2487 |
} |
2488 |
|
2489 |
static int pty_chr_read_poll(void *opaque) |
2490 |
{ |
2491 |
CharDriverState *chr = opaque; |
2492 |
PtyCharDriver *s = chr->opaque; |
2493 |
|
2494 |
s->read_bytes = qemu_chr_can_read(chr); |
2495 |
return s->read_bytes;
|
2496 |
} |
2497 |
|
2498 |
static void pty_chr_read(void *opaque) |
2499 |
{ |
2500 |
CharDriverState *chr = opaque; |
2501 |
PtyCharDriver *s = chr->opaque; |
2502 |
int size, len;
|
2503 |
uint8_t buf[1024];
|
2504 |
|
2505 |
len = sizeof(buf);
|
2506 |
if (len > s->read_bytes)
|
2507 |
len = s->read_bytes; |
2508 |
if (len == 0) |
2509 |
return;
|
2510 |
size = read(s->fd, buf, len); |
2511 |
if ((size == -1 && errno == EIO) || |
2512 |
(size == 0)) {
|
2513 |
pty_chr_state(chr, 0);
|
2514 |
return;
|
2515 |
} |
2516 |
if (size > 0) { |
2517 |
pty_chr_state(chr, 1);
|
2518 |
qemu_chr_read(chr, buf, size); |
2519 |
} |
2520 |
} |
2521 |
|
2522 |
static void pty_chr_update_read_handler(CharDriverState *chr) |
2523 |
{ |
2524 |
PtyCharDriver *s = chr->opaque; |
2525 |
|
2526 |
qemu_set_fd_handler2(s->fd, pty_chr_read_poll, |
2527 |
pty_chr_read, NULL, chr);
|
2528 |
s->polling = 1;
|
2529 |
/*
|
2530 |
* Short timeout here: just need wait long enougth that qemu makes
|
2531 |
* it through the poll loop once. When reconnected we want a
|
2532 |
* short timeout so we notice it almost instantly. Otherwise
|
2533 |
* read() gives us -EIO instantly, making pty_chr_state() reset the
|
2534 |
* timeout to the normal (much longer) poll interval before the
|
2535 |
* timer triggers.
|
2536 |
*/
|
2537 |
qemu_mod_timer(s->timer, qemu_get_clock(rt_clock) + 10);
|
2538 |
} |
2539 |
|
2540 |
static void pty_chr_state(CharDriverState *chr, int connected) |
2541 |
{ |
2542 |
PtyCharDriver *s = chr->opaque; |
2543 |
|
2544 |
if (!connected) {
|
2545 |
qemu_set_fd_handler2(s->fd, NULL, NULL, NULL, NULL); |
2546 |
s->connected = 0;
|
2547 |
s->polling = 0;
|
2548 |
/* (re-)connect poll interval for idle guests: once per second.
|
2549 |
* We check more frequently in case the guests sends data to
|
2550 |
* the virtual device linked to our pty. */
|
2551 |
qemu_mod_timer(s->timer, qemu_get_clock(rt_clock) + 1000);
|
2552 |
} else {
|
2553 |
if (!s->connected)
|
2554 |
qemu_chr_reset(chr); |
2555 |
s->connected = 1;
|
2556 |
} |
2557 |
} |
2558 |
|
2559 |
static void pty_chr_timer(void *opaque) |
2560 |
{ |
2561 |
struct CharDriverState *chr = opaque;
|
2562 |
PtyCharDriver *s = chr->opaque; |
2563 |
|
2564 |
if (s->connected)
|
2565 |
return;
|
2566 |
if (s->polling) {
|
2567 |
/* If we arrive here without polling being cleared due
|
2568 |
* read returning -EIO, then we are (re-)connected */
|
2569 |
pty_chr_state(chr, 1);
|
2570 |
return;
|
2571 |
} |
2572 |
|
2573 |
/* Next poll ... */
|
2574 |
pty_chr_update_read_handler(chr); |
2575 |
} |
2576 |
|
2577 |
static void pty_chr_close(struct CharDriverState *chr) |
2578 |
{ |
2579 |
PtyCharDriver *s = chr->opaque; |
2580 |
|
2581 |
qemu_set_fd_handler2(s->fd, NULL, NULL, NULL, NULL); |
2582 |
close(s->fd); |
2583 |
qemu_free(s); |
2584 |
} |
2585 |
|
2586 |
static CharDriverState *qemu_chr_open_pty(void) |
2587 |
{ |
2588 |
CharDriverState *chr; |
2589 |
PtyCharDriver *s; |
2590 |
struct termios tty;
|
2591 |
int slave_fd;
|
2592 |
#if defined(__OpenBSD__)
|
2593 |
char pty_name[PATH_MAX];
|
2594 |
#define q_ptsname(x) pty_name
|
2595 |
#else
|
2596 |
char *pty_name = NULL; |
2597 |
#define q_ptsname(x) ptsname(x)
|
2598 |
#endif
|
2599 |
|
2600 |
chr = qemu_mallocz(sizeof(CharDriverState));
|
2601 |
if (!chr)
|
2602 |
return NULL; |
2603 |
s = qemu_mallocz(sizeof(PtyCharDriver));
|
2604 |
if (!s) {
|
2605 |
qemu_free(chr); |
2606 |
return NULL; |
2607 |
} |
2608 |
|
2609 |
if (openpty(&s->fd, &slave_fd, pty_name, NULL, NULL) < 0) { |
2610 |
return NULL; |
2611 |
} |
2612 |
|
2613 |
/* Set raw attributes on the pty. */
|
2614 |
cfmakeraw(&tty); |
2615 |
tcsetattr(slave_fd, TCSAFLUSH, &tty); |
2616 |
close(slave_fd); |
2617 |
|
2618 |
fprintf(stderr, "char device redirected to %s\n", q_ptsname(s->fd));
|
2619 |
|
2620 |
chr->opaque = s; |
2621 |
chr->chr_write = pty_chr_write; |
2622 |
chr->chr_update_read_handler = pty_chr_update_read_handler; |
2623 |
chr->chr_close = pty_chr_close; |
2624 |
|
2625 |
s->timer = qemu_new_timer(rt_clock, pty_chr_timer, chr); |
2626 |
|
2627 |
return chr;
|
2628 |
} |
2629 |
|
2630 |
static void tty_serial_init(int fd, int speed, |
2631 |
int parity, int data_bits, int stop_bits) |
2632 |
{ |
2633 |
struct termios tty;
|
2634 |
speed_t spd; |
2635 |
|
2636 |
#if 0
|
2637 |
printf("tty_serial_init: speed=%d parity=%c data=%d stop=%d\n",
|
2638 |
speed, parity, data_bits, stop_bits);
|
2639 |
#endif
|
2640 |
tcgetattr (fd, &tty); |
2641 |
|
2642 |
#define MARGIN 1.1 |
2643 |
if (speed <= 50 * MARGIN) |
2644 |
spd = B50; |
2645 |
else if (speed <= 75 * MARGIN) |
2646 |
spd = B75; |
2647 |
else if (speed <= 300 * MARGIN) |
2648 |
spd = B300; |
2649 |
else if (speed <= 600 * MARGIN) |
2650 |
spd = B600; |
2651 |
else if (speed <= 1200 * MARGIN) |
2652 |
spd = B1200; |
2653 |
else if (speed <= 2400 * MARGIN) |
2654 |
spd = B2400; |
2655 |
else if (speed <= 4800 * MARGIN) |
2656 |
spd = B4800; |
2657 |
else if (speed <= 9600 * MARGIN) |
2658 |
spd = B9600; |
2659 |
else if (speed <= 19200 * MARGIN) |
2660 |
spd = B19200; |
2661 |
else if (speed <= 38400 * MARGIN) |
2662 |
spd = B38400; |
2663 |
else if (speed <= 57600 * MARGIN) |
2664 |
spd = B57600; |
2665 |
else if (speed <= 115200 * MARGIN) |
2666 |
spd = B115200; |
2667 |
else
|
2668 |
spd = B115200; |
2669 |
|
2670 |
cfsetispeed(&tty, spd); |
2671 |
cfsetospeed(&tty, spd); |
2672 |
|
2673 |
tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP |
2674 |
|INLCR|IGNCR|ICRNL|IXON); |
2675 |
tty.c_oflag |= OPOST; |
2676 |
tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN|ISIG); |
2677 |
tty.c_cflag &= ~(CSIZE|PARENB|PARODD|CRTSCTS|CSTOPB); |
2678 |
switch(data_bits) {
|
2679 |
default:
|
2680 |
case 8: |
2681 |
tty.c_cflag |= CS8; |
2682 |
break;
|
2683 |
case 7: |
2684 |
tty.c_cflag |= CS7; |
2685 |
break;
|
2686 |
case 6: |
2687 |
tty.c_cflag |= CS6; |
2688 |
break;
|
2689 |
case 5: |
2690 |
tty.c_cflag |= CS5; |
2691 |
break;
|
2692 |
} |
2693 |
switch(parity) {
|
2694 |
default:
|
2695 |
case 'N': |
2696 |
break;
|
2697 |
case 'E': |
2698 |
tty.c_cflag |= PARENB; |
2699 |
break;
|
2700 |
case 'O': |
2701 |
tty.c_cflag |= PARENB | PARODD; |
2702 |
break;
|
2703 |
} |
2704 |
if (stop_bits == 2) |
2705 |
tty.c_cflag |= CSTOPB; |
2706 |
|
2707 |
tcsetattr (fd, TCSANOW, &tty); |
2708 |
} |
2709 |
|
2710 |
static int tty_serial_ioctl(CharDriverState *chr, int cmd, void *arg) |
2711 |
{ |
2712 |
FDCharDriver *s = chr->opaque; |
2713 |
|
2714 |
switch(cmd) {
|
2715 |
case CHR_IOCTL_SERIAL_SET_PARAMS:
|
2716 |
{ |
2717 |
QEMUSerialSetParams *ssp = arg; |
2718 |
tty_serial_init(s->fd_in, ssp->speed, ssp->parity, |
2719 |
ssp->data_bits, ssp->stop_bits); |
2720 |
} |
2721 |
break;
|
2722 |
case CHR_IOCTL_SERIAL_SET_BREAK:
|
2723 |
{ |
2724 |
int enable = *(int *)arg; |
2725 |
if (enable)
|
2726 |
tcsendbreak(s->fd_in, 1);
|
2727 |
} |
2728 |
break;
|
2729 |
case CHR_IOCTL_SERIAL_GET_TIOCM:
|
2730 |
{ |
2731 |
int sarg = 0; |
2732 |
int *targ = (int *)arg; |
2733 |
ioctl(s->fd_in, TIOCMGET, &sarg); |
2734 |
*targ = 0;
|
2735 |
if (sarg | TIOCM_CTS)
|
2736 |
*targ |= CHR_TIOCM_CTS; |
2737 |
if (sarg | TIOCM_CAR)
|
2738 |
*targ |= CHR_TIOCM_CAR; |
2739 |
if (sarg | TIOCM_DSR)
|
2740 |
*targ |= CHR_TIOCM_DSR; |
2741 |
if (sarg | TIOCM_RI)
|
2742 |
*targ |= CHR_TIOCM_RI; |
2743 |
if (sarg | TIOCM_DTR)
|
2744 |
*targ |= CHR_TIOCM_DTR; |
2745 |
if (sarg | TIOCM_RTS)
|
2746 |
*targ |= CHR_TIOCM_RTS; |
2747 |
} |
2748 |
break;
|
2749 |
case CHR_IOCTL_SERIAL_SET_TIOCM:
|
2750 |
{ |
2751 |
int sarg = *(int *)arg; |
2752 |
int targ = 0; |
2753 |
if (sarg | CHR_TIOCM_DTR)
|
2754 |
targ |= TIOCM_DTR; |
2755 |
if (sarg | CHR_TIOCM_RTS)
|
2756 |
targ |= TIOCM_RTS; |
2757 |
ioctl(s->fd_in, TIOCMSET, &targ); |
2758 |
} |
2759 |
break;
|
2760 |
default:
|
2761 |
return -ENOTSUP;
|
2762 |
} |
2763 |
return 0; |
2764 |
} |
2765 |
|
2766 |
static CharDriverState *qemu_chr_open_tty(const char *filename) |
2767 |
{ |
2768 |
CharDriverState *chr; |
2769 |
int fd;
|
2770 |
|
2771 |
TFR(fd = open(filename, O_RDWR | O_NONBLOCK)); |
2772 |
tty_serial_init(fd, 115200, 'N', 8, 1); |
2773 |
chr = qemu_chr_open_fd(fd, fd); |
2774 |
if (!chr) {
|
2775 |
close(fd); |
2776 |
return NULL; |
2777 |
} |
2778 |
chr->chr_ioctl = tty_serial_ioctl; |
2779 |
qemu_chr_reset(chr); |
2780 |
return chr;
|
2781 |
} |
2782 |
#else /* ! __linux__ && ! __sun__ */ |
2783 |
static CharDriverState *qemu_chr_open_pty(void) |
2784 |
{ |
2785 |
return NULL; |
2786 |
} |
2787 |
#endif /* __linux__ || __sun__ */ |
2788 |
|
2789 |
#if defined(__linux__)
|
2790 |
typedef struct { |
2791 |
int fd;
|
2792 |
int mode;
|
2793 |
} ParallelCharDriver; |
2794 |
|
2795 |
static int pp_hw_mode(ParallelCharDriver *s, uint16_t mode) |
2796 |
{ |
2797 |
if (s->mode != mode) {
|
2798 |
int m = mode;
|
2799 |
if (ioctl(s->fd, PPSETMODE, &m) < 0) |
2800 |
return 0; |
2801 |
s->mode = mode; |
2802 |
} |
2803 |
return 1; |
2804 |
} |
2805 |
|
2806 |
static int pp_ioctl(CharDriverState *chr, int cmd, void *arg) |
2807 |
{ |
2808 |
ParallelCharDriver *drv = chr->opaque; |
2809 |
int fd = drv->fd;
|
2810 |
uint8_t b; |
2811 |
|
2812 |
switch(cmd) {
|
2813 |
case CHR_IOCTL_PP_READ_DATA:
|
2814 |
if (ioctl(fd, PPRDATA, &b) < 0) |
2815 |
return -ENOTSUP;
|
2816 |
*(uint8_t *)arg = b; |
2817 |
break;
|
2818 |
case CHR_IOCTL_PP_WRITE_DATA:
|
2819 |
b = *(uint8_t *)arg; |
2820 |
if (ioctl(fd, PPWDATA, &b) < 0) |
2821 |
return -ENOTSUP;
|
2822 |
break;
|
2823 |
case CHR_IOCTL_PP_READ_CONTROL:
|
2824 |
if (ioctl(fd, PPRCONTROL, &b) < 0) |
2825 |
return -ENOTSUP;
|
2826 |
/* Linux gives only the lowest bits, and no way to know data
|
2827 |
direction! For better compatibility set the fixed upper
|
2828 |
bits. */
|
2829 |
*(uint8_t *)arg = b | 0xc0;
|
2830 |
break;
|
2831 |
case CHR_IOCTL_PP_WRITE_CONTROL:
|
2832 |
b = *(uint8_t *)arg; |
2833 |
if (ioctl(fd, PPWCONTROL, &b) < 0) |
2834 |
return -ENOTSUP;
|
2835 |
break;
|
2836 |
case CHR_IOCTL_PP_READ_STATUS:
|
2837 |
if (ioctl(fd, PPRSTATUS, &b) < 0) |
2838 |
return -ENOTSUP;
|
2839 |
*(uint8_t *)arg = b; |
2840 |
break;
|
2841 |
case CHR_IOCTL_PP_DATA_DIR:
|
2842 |
if (ioctl(fd, PPDATADIR, (int *)arg) < 0) |
2843 |
return -ENOTSUP;
|
2844 |
break;
|
2845 |
case CHR_IOCTL_PP_EPP_READ_ADDR:
|
2846 |
if (pp_hw_mode(drv, IEEE1284_MODE_EPP|IEEE1284_ADDR)) {
|
2847 |
struct ParallelIOArg *parg = arg;
|
2848 |
int n = read(fd, parg->buffer, parg->count);
|
2849 |
if (n != parg->count) {
|
2850 |
return -EIO;
|
2851 |
} |
2852 |
} |
2853 |
break;
|
2854 |
case CHR_IOCTL_PP_EPP_READ:
|
2855 |
if (pp_hw_mode(drv, IEEE1284_MODE_EPP)) {
|
2856 |
struct ParallelIOArg *parg = arg;
|
2857 |
int n = read(fd, parg->buffer, parg->count);
|
2858 |
if (n != parg->count) {
|
2859 |
return -EIO;
|
2860 |
} |
2861 |
} |
2862 |
break;
|
2863 |
case CHR_IOCTL_PP_EPP_WRITE_ADDR:
|
2864 |
if (pp_hw_mode(drv, IEEE1284_MODE_EPP|IEEE1284_ADDR)) {
|
2865 |
struct ParallelIOArg *parg = arg;
|
2866 |
int n = write(fd, parg->buffer, parg->count);
|
2867 |
if (n != parg->count) {
|
2868 |
return -EIO;
|
2869 |
} |
2870 |
} |
2871 |
break;
|
2872 |
case CHR_IOCTL_PP_EPP_WRITE:
|
2873 |
if (pp_hw_mode(drv, IEEE1284_MODE_EPP)) {
|
2874 |
struct ParallelIOArg *parg = arg;
|
2875 |
int n = write(fd, parg->buffer, parg->count);
|
2876 |
if (n != parg->count) {
|
2877 |
return -EIO;
|
2878 |
} |
2879 |
} |
2880 |
break;
|
2881 |
default:
|
2882 |
return -ENOTSUP;
|
2883 |
} |
2884 |
return 0; |
2885 |
} |
2886 |
|
2887 |
static void pp_close(CharDriverState *chr) |
2888 |
{ |
2889 |
ParallelCharDriver *drv = chr->opaque; |
2890 |
int fd = drv->fd;
|
2891 |
|
2892 |
pp_hw_mode(drv, IEEE1284_MODE_COMPAT); |
2893 |
ioctl(fd, PPRELEASE); |
2894 |
close(fd); |
2895 |
qemu_free(drv); |
2896 |
} |
2897 |
|
2898 |
static CharDriverState *qemu_chr_open_pp(const char *filename) |
2899 |
{ |
2900 |
CharDriverState *chr; |
2901 |
ParallelCharDriver *drv; |
2902 |
int fd;
|
2903 |
|
2904 |
TFR(fd = open(filename, O_RDWR)); |
2905 |
if (fd < 0) |
2906 |
return NULL; |
2907 |
|
2908 |
if (ioctl(fd, PPCLAIM) < 0) { |
2909 |
close(fd); |
2910 |
return NULL; |
2911 |
} |
2912 |
|
2913 |
drv = qemu_mallocz(sizeof(ParallelCharDriver));
|
2914 |
if (!drv) {
|
2915 |
close(fd); |
2916 |
return NULL; |
2917 |
} |
2918 |
drv->fd = fd; |
2919 |
drv->mode = IEEE1284_MODE_COMPAT; |
2920 |
|
2921 |
chr = qemu_mallocz(sizeof(CharDriverState));
|
2922 |
if (!chr) {
|
2923 |
qemu_free(drv); |
2924 |
close(fd); |
2925 |
return NULL; |
2926 |
} |
2927 |
chr->chr_write = null_chr_write; |
2928 |
chr->chr_ioctl = pp_ioctl; |
2929 |
chr->chr_close = pp_close; |
2930 |
chr->opaque = drv; |
2931 |
|
2932 |
qemu_chr_reset(chr); |
2933 |
|
2934 |
return chr;
|
2935 |
} |
2936 |
#endif /* __linux__ */ |
2937 |
|
2938 |
#else /* _WIN32 */ |
2939 |
|
2940 |
typedef struct { |
2941 |
int max_size;
|
2942 |
HANDLE hcom, hrecv, hsend; |
2943 |
OVERLAPPED orecv, osend; |
2944 |
BOOL fpipe; |
2945 |
DWORD len; |
2946 |
} WinCharState; |
2947 |
|
2948 |
#define NSENDBUF 2048 |
2949 |
#define NRECVBUF 2048 |
2950 |
#define MAXCONNECT 1 |
2951 |
#define NTIMEOUT 5000 |
2952 |
|
2953 |
static int win_chr_poll(void *opaque); |
2954 |
static int win_chr_pipe_poll(void *opaque); |
2955 |
|
2956 |
static void win_chr_close(CharDriverState *chr) |
2957 |
{ |
2958 |
WinCharState *s = chr->opaque; |
2959 |
|
2960 |
if (s->hsend) {
|
2961 |
CloseHandle(s->hsend); |
2962 |
s->hsend = NULL;
|
2963 |
} |
2964 |
if (s->hrecv) {
|
2965 |
CloseHandle(s->hrecv); |
2966 |
s->hrecv = NULL;
|
2967 |
} |
2968 |
if (s->hcom) {
|
2969 |
CloseHandle(s->hcom); |
2970 |
s->hcom = NULL;
|
2971 |
} |
2972 |
if (s->fpipe)
|
2973 |
qemu_del_polling_cb(win_chr_pipe_poll, chr); |
2974 |
else
|
2975 |
qemu_del_polling_cb(win_chr_poll, chr); |
2976 |
} |
2977 |
|
2978 |
static int win_chr_init(CharDriverState *chr, const char *filename) |
2979 |
{ |
2980 |
WinCharState *s = chr->opaque; |
2981 |
COMMCONFIG comcfg; |
2982 |
COMMTIMEOUTS cto = { 0, 0, 0, 0, 0}; |
2983 |
COMSTAT comstat; |
2984 |
DWORD size; |
2985 |
DWORD err; |
2986 |
|
2987 |
s->hsend = CreateEvent(NULL, TRUE, FALSE, NULL); |
2988 |
if (!s->hsend) {
|
2989 |
fprintf(stderr, "Failed CreateEvent\n");
|
2990 |
goto fail;
|
2991 |
} |
2992 |
s->hrecv = CreateEvent(NULL, TRUE, FALSE, NULL); |
2993 |
if (!s->hrecv) {
|
2994 |
fprintf(stderr, "Failed CreateEvent\n");
|
2995 |
goto fail;
|
2996 |
} |
2997 |
|
2998 |
s->hcom = CreateFile(filename, GENERIC_READ|GENERIC_WRITE, 0, NULL, |
2999 |
OPEN_EXISTING, FILE_FLAG_OVERLAPPED, 0);
|
3000 |
if (s->hcom == INVALID_HANDLE_VALUE) {
|
3001 |
fprintf(stderr, "Failed CreateFile (%lu)\n", GetLastError());
|
3002 |
s->hcom = NULL;
|
3003 |
goto fail;
|
3004 |
} |
3005 |
|
3006 |
if (!SetupComm(s->hcom, NRECVBUF, NSENDBUF)) {
|
3007 |
fprintf(stderr, "Failed SetupComm\n");
|
3008 |
goto fail;
|
3009 |
} |
3010 |
|
3011 |
ZeroMemory(&comcfg, sizeof(COMMCONFIG));
|
3012 |
size = sizeof(COMMCONFIG);
|
3013 |
GetDefaultCommConfig(filename, &comcfg, &size); |
3014 |
comcfg.dcb.DCBlength = sizeof(DCB);
|
3015 |
CommConfigDialog(filename, NULL, &comcfg);
|
3016 |
|
3017 |
if (!SetCommState(s->hcom, &comcfg.dcb)) {
|
3018 |
fprintf(stderr, "Failed SetCommState\n");
|
3019 |
goto fail;
|
3020 |
} |
3021 |
|
3022 |
if (!SetCommMask(s->hcom, EV_ERR)) {
|
3023 |
fprintf(stderr, "Failed SetCommMask\n");
|
3024 |
goto fail;
|
3025 |
} |
3026 |
|
3027 |
cto.ReadIntervalTimeout = MAXDWORD; |
3028 |
if (!SetCommTimeouts(s->hcom, &cto)) {
|
3029 |
fprintf(stderr, "Failed SetCommTimeouts\n");
|
3030 |
goto fail;
|
3031 |
} |
3032 |
|
3033 |
if (!ClearCommError(s->hcom, &err, &comstat)) {
|
3034 |
fprintf(stderr, "Failed ClearCommError\n");
|
3035 |
goto fail;
|
3036 |
} |
3037 |
qemu_add_polling_cb(win_chr_poll, chr); |
3038 |
return 0; |
3039 |
|
3040 |
fail:
|
3041 |
win_chr_close(chr); |
3042 |
return -1; |
3043 |
} |
3044 |
|
3045 |
static int win_chr_write(CharDriverState *chr, const uint8_t *buf, int len1) |
3046 |
{ |
3047 |
WinCharState *s = chr->opaque; |
3048 |
DWORD len, ret, size, err; |
3049 |
|
3050 |
len = len1; |
3051 |
ZeroMemory(&s->osend, sizeof(s->osend));
|
3052 |
s->osend.hEvent = s->hsend; |
3053 |
while (len > 0) { |
3054 |
if (s->hsend)
|
3055 |
ret = WriteFile(s->hcom, buf, len, &size, &s->osend); |
3056 |
else
|
3057 |
ret = WriteFile(s->hcom, buf, len, &size, NULL);
|
3058 |
if (!ret) {
|
3059 |
err = GetLastError(); |
3060 |
if (err == ERROR_IO_PENDING) {
|
3061 |
ret = GetOverlappedResult(s->hcom, &s->osend, &size, TRUE); |
3062 |
if (ret) {
|
3063 |
buf += size; |
3064 |
len -= size; |
3065 |
} else {
|
3066 |
break;
|
3067 |
} |
3068 |
} else {
|
3069 |
break;
|
3070 |
} |
3071 |
} else {
|
3072 |
buf += size; |
3073 |
len -= size; |
3074 |
} |
3075 |
} |
3076 |
return len1 - len;
|
3077 |
} |
3078 |
|
3079 |
static int win_chr_read_poll(CharDriverState *chr) |
3080 |
{ |
3081 |
WinCharState *s = chr->opaque; |
3082 |
|
3083 |
s->max_size = qemu_chr_can_read(chr); |
3084 |
return s->max_size;
|
3085 |
} |
3086 |
|
3087 |
static void win_chr_readfile(CharDriverState *chr) |
3088 |
{ |
3089 |
WinCharState *s = chr->opaque; |
3090 |
int ret, err;
|
3091 |
uint8_t buf[1024];
|
3092 |
DWORD size; |
3093 |
|
3094 |
ZeroMemory(&s->orecv, sizeof(s->orecv));
|
3095 |
s->orecv.hEvent = s->hrecv; |
3096 |
ret = ReadFile(s->hcom, buf, s->len, &size, &s->orecv); |
3097 |
if (!ret) {
|
3098 |
err = GetLastError(); |
3099 |
if (err == ERROR_IO_PENDING) {
|
3100 |
ret = GetOverlappedResult(s->hcom, &s->orecv, &size, TRUE); |
3101 |
} |
3102 |
} |
3103 |
|
3104 |
if (size > 0) { |
3105 |
qemu_chr_read(chr, buf, size); |
3106 |
} |
3107 |
} |
3108 |
|
3109 |
static void win_chr_read(CharDriverState *chr) |
3110 |
{ |
3111 |
WinCharState *s = chr->opaque; |
3112 |
|
3113 |
if (s->len > s->max_size)
|
3114 |
s->len = s->max_size; |
3115 |
if (s->len == 0) |
3116 |
return;
|
3117 |
|
3118 |
win_chr_readfile(chr); |
3119 |
} |
3120 |
|
3121 |
static int win_chr_poll(void *opaque) |
3122 |
{ |
3123 |
CharDriverState *chr = opaque; |
3124 |
WinCharState *s = chr->opaque; |
3125 |
COMSTAT status; |
3126 |
DWORD comerr; |
3127 |
|
3128 |
ClearCommError(s->hcom, &comerr, &status); |
3129 |
if (status.cbInQue > 0) { |
3130 |
s->len = status.cbInQue; |
3131 |
win_chr_read_poll(chr); |
3132 |
win_chr_read(chr); |
3133 |
return 1; |
3134 |
} |
3135 |
return 0; |
3136 |
} |
3137 |
|
3138 |
static CharDriverState *qemu_chr_open_win(const char *filename) |
3139 |
{ |
3140 |
CharDriverState *chr; |
3141 |
WinCharState *s; |
3142 |
|
3143 |
chr = qemu_mallocz(sizeof(CharDriverState));
|
3144 |
if (!chr)
|
3145 |
return NULL; |
3146 |
s = qemu_mallocz(sizeof(WinCharState));
|
3147 |
if (!s) {
|
3148 |
free(chr); |
3149 |
return NULL; |
3150 |
} |
3151 |
chr->opaque = s; |
3152 |
chr->chr_write = win_chr_write; |
3153 |
chr->chr_close = win_chr_close; |
3154 |
|
3155 |
if (win_chr_init(chr, filename) < 0) { |
3156 |
free(s); |
3157 |
free(chr); |
3158 |
return NULL; |
3159 |
} |
3160 |
qemu_chr_reset(chr); |
3161 |
return chr;
|
3162 |
} |
3163 |
|
3164 |
static int win_chr_pipe_poll(void *opaque) |
3165 |
{ |
3166 |
CharDriverState *chr = opaque; |
3167 |
WinCharState *s = chr->opaque; |
3168 |
DWORD size; |
3169 |
|
3170 |
PeekNamedPipe(s->hcom, NULL, 0, NULL, &size, NULL); |
3171 |
if (size > 0) { |
3172 |
s->len = size; |
3173 |
win_chr_read_poll(chr); |
3174 |
win_chr_read(chr); |
3175 |
return 1; |
3176 |
} |
3177 |
return 0; |
3178 |
} |
3179 |
|
3180 |
static int win_chr_pipe_init(CharDriverState *chr, const char *filename) |
3181 |
{ |
3182 |
WinCharState *s = chr->opaque; |
3183 |
OVERLAPPED ov; |
3184 |
int ret;
|
3185 |
DWORD size; |
3186 |
char openname[256]; |
3187 |
|
3188 |
s->fpipe = TRUE; |
3189 |
|
3190 |
s->hsend = CreateEvent(NULL, TRUE, FALSE, NULL); |
3191 |
if (!s->hsend) {
|
3192 |
fprintf(stderr, "Failed CreateEvent\n");
|
3193 |
goto fail;
|
3194 |
} |
3195 |
s->hrecv = CreateEvent(NULL, TRUE, FALSE, NULL); |
3196 |
if (!s->hrecv) {
|
3197 |
fprintf(stderr, "Failed CreateEvent\n");
|
3198 |
goto fail;
|
3199 |
} |
3200 |
|
3201 |
snprintf(openname, sizeof(openname), "\\\\.\\pipe\\%s", filename); |
3202 |
s->hcom = CreateNamedPipe(openname, PIPE_ACCESS_DUPLEX | FILE_FLAG_OVERLAPPED, |
3203 |
PIPE_TYPE_BYTE | PIPE_READMODE_BYTE | |
3204 |
PIPE_WAIT, |
3205 |
MAXCONNECT, NSENDBUF, NRECVBUF, NTIMEOUT, NULL);
|
3206 |
if (s->hcom == INVALID_HANDLE_VALUE) {
|
3207 |
fprintf(stderr, "Failed CreateNamedPipe (%lu)\n", GetLastError());
|
3208 |
s->hcom = NULL;
|
3209 |
goto fail;
|
3210 |
} |
3211 |
|
3212 |
ZeroMemory(&ov, sizeof(ov));
|
3213 |
ov.hEvent = CreateEvent(NULL, TRUE, FALSE, NULL); |
3214 |
ret = ConnectNamedPipe(s->hcom, &ov); |
3215 |
if (ret) {
|
3216 |
fprintf(stderr, "Failed ConnectNamedPipe\n");
|
3217 |
goto fail;
|
3218 |
} |
3219 |
|
3220 |
ret = GetOverlappedResult(s->hcom, &ov, &size, TRUE); |
3221 |
if (!ret) {
|
3222 |
fprintf(stderr, "Failed GetOverlappedResult\n");
|
3223 |
if (ov.hEvent) {
|
3224 |
CloseHandle(ov.hEvent); |
3225 |
ov.hEvent = NULL;
|
3226 |
} |
3227 |
goto fail;
|
3228 |
} |
3229 |
|
3230 |
if (ov.hEvent) {
|
3231 |
CloseHandle(ov.hEvent); |
3232 |
ov.hEvent = NULL;
|
3233 |
} |
3234 |
qemu_add_polling_cb(win_chr_pipe_poll, chr); |
3235 |
return 0; |
3236 |
|
3237 |
fail:
|
3238 |
win_chr_close(chr); |
3239 |
return -1; |
3240 |
} |
3241 |
|
3242 |
|
3243 |
static CharDriverState *qemu_chr_open_win_pipe(const char *filename) |
3244 |
{ |
3245 |
CharDriverState *chr; |
3246 |
WinCharState *s; |
3247 |
|
3248 |
chr = qemu_mallocz(sizeof(CharDriverState));
|
3249 |
if (!chr)
|
3250 |
return NULL; |
3251 |
s = qemu_mallocz(sizeof(WinCharState));
|
3252 |
if (!s) {
|
3253 |
free(chr); |
3254 |
return NULL; |
3255 |
} |
3256 |
chr->opaque = s; |
3257 |
chr->chr_write = win_chr_write; |
3258 |
chr->chr_close = win_chr_close; |
3259 |
|
3260 |
if (win_chr_pipe_init(chr, filename) < 0) { |
3261 |
free(s); |
3262 |
free(chr); |
3263 |
return NULL; |
3264 |
} |
3265 |
qemu_chr_reset(chr); |
3266 |
return chr;
|
3267 |
} |
3268 |
|
3269 |
static CharDriverState *qemu_chr_open_win_file(HANDLE fd_out)
|
3270 |
{ |
3271 |
CharDriverState *chr; |
3272 |
WinCharState *s; |
3273 |
|
3274 |
chr = qemu_mallocz(sizeof(CharDriverState));
|
3275 |
if (!chr)
|
3276 |
return NULL; |
3277 |
s = qemu_mallocz(sizeof(WinCharState));
|
3278 |
if (!s) {
|
3279 |
free(chr); |
3280 |
return NULL; |
3281 |
} |
3282 |
s->hcom = fd_out; |
3283 |
chr->opaque = s; |
3284 |
chr->chr_write = win_chr_write; |
3285 |
qemu_chr_reset(chr); |
3286 |
return chr;
|
3287 |
} |
3288 |
|
3289 |
static CharDriverState *qemu_chr_open_win_con(const char *filename) |
3290 |
{ |
3291 |
return qemu_chr_open_win_file(GetStdHandle(STD_OUTPUT_HANDLE));
|
3292 |
} |
3293 |
|
3294 |
static CharDriverState *qemu_chr_open_win_file_out(const char *file_out) |
3295 |
{ |
3296 |
HANDLE fd_out; |
3297 |
|
3298 |
fd_out = CreateFile(file_out, GENERIC_WRITE, FILE_SHARE_READ, NULL,
|
3299 |
OPEN_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
|
3300 |
if (fd_out == INVALID_HANDLE_VALUE)
|
3301 |
return NULL; |
3302 |
|
3303 |
return qemu_chr_open_win_file(fd_out);
|
3304 |
} |
3305 |
#endif /* !_WIN32 */ |
3306 |
|
3307 |
/***********************************************************/
|
3308 |
/* UDP Net console */
|
3309 |
|
3310 |
typedef struct { |
3311 |
int fd;
|
3312 |
struct sockaddr_in daddr;
|
3313 |
uint8_t buf[1024];
|
3314 |
int bufcnt;
|
3315 |
int bufptr;
|
3316 |
int max_size;
|
3317 |
} NetCharDriver; |
3318 |
|
3319 |
static int udp_chr_write(CharDriverState *chr, const uint8_t *buf, int len) |
3320 |
{ |
3321 |
NetCharDriver *s = chr->opaque; |
3322 |
|
3323 |
return sendto(s->fd, buf, len, 0, |
3324 |
(struct sockaddr *)&s->daddr, sizeof(struct sockaddr_in)); |
3325 |
} |
3326 |
|
3327 |
static int udp_chr_read_poll(void *opaque) |
3328 |
{ |
3329 |
CharDriverState *chr = opaque; |
3330 |
NetCharDriver *s = chr->opaque; |
3331 |
|
3332 |
s->max_size = qemu_chr_can_read(chr); |
3333 |
|
3334 |
/* If there were any stray characters in the queue process them
|
3335 |
* first
|
3336 |
*/
|
3337 |
while (s->max_size > 0 && s->bufptr < s->bufcnt) { |
3338 |
qemu_chr_read(chr, &s->buf[s->bufptr], 1);
|
3339 |
s->bufptr++; |
3340 |
s->max_size = qemu_chr_can_read(chr); |
3341 |
} |
3342 |
return s->max_size;
|
3343 |
} |
3344 |
|
3345 |
static void udp_chr_read(void *opaque) |
3346 |
{ |
3347 |
CharDriverState *chr = opaque; |
3348 |
NetCharDriver *s = chr->opaque; |
3349 |
|
3350 |
if (s->max_size == 0) |
3351 |
return;
|
3352 |
s->bufcnt = recv(s->fd, s->buf, sizeof(s->buf), 0); |
3353 |
s->bufptr = s->bufcnt; |
3354 |
if (s->bufcnt <= 0) |
3355 |
return;
|
3356 |
|
3357 |
s->bufptr = 0;
|
3358 |
while (s->max_size > 0 && s->bufptr < s->bufcnt) { |
3359 |
qemu_chr_read(chr, &s->buf[s->bufptr], 1);
|
3360 |
s->bufptr++; |
3361 |
s->max_size = qemu_chr_can_read(chr); |
3362 |
} |
3363 |
} |
3364 |
|
3365 |
static void udp_chr_update_read_handler(CharDriverState *chr) |
3366 |
{ |
3367 |
NetCharDriver *s = chr->opaque; |
3368 |
|
3369 |
if (s->fd >= 0) { |
3370 |
qemu_set_fd_handler2(s->fd, udp_chr_read_poll, |
3371 |
udp_chr_read, NULL, chr);
|
3372 |
} |
3373 |
} |
3374 |
|
3375 |
int parse_host_port(struct sockaddr_in *saddr, const char *str); |
3376 |
#ifndef _WIN32
|
3377 |
static int parse_unix_path(struct sockaddr_un *uaddr, const char *str); |
3378 |
#endif
|
3379 |
int parse_host_src_port(struct sockaddr_in *haddr, |
3380 |
struct sockaddr_in *saddr,
|
3381 |
const char *str); |
3382 |
|
3383 |
static CharDriverState *qemu_chr_open_udp(const char *def) |
3384 |
{ |
3385 |
CharDriverState *chr = NULL;
|
3386 |
NetCharDriver *s = NULL;
|
3387 |
int fd = -1; |
3388 |
struct sockaddr_in saddr;
|
3389 |
|
3390 |
chr = qemu_mallocz(sizeof(CharDriverState));
|
3391 |
if (!chr)
|
3392 |
goto return_err;
|
3393 |
s = qemu_mallocz(sizeof(NetCharDriver));
|
3394 |
if (!s)
|
3395 |
goto return_err;
|
3396 |
|
3397 |
fd = socket(PF_INET, SOCK_DGRAM, 0);
|
3398 |
if (fd < 0) { |
3399 |
perror("socket(PF_INET, SOCK_DGRAM)");
|
3400 |
goto return_err;
|
3401 |
} |
3402 |
|
3403 |
if (parse_host_src_port(&s->daddr, &saddr, def) < 0) { |
3404 |
printf("Could not parse: %s\n", def);
|
3405 |
goto return_err;
|
3406 |
} |
3407 |
|
3408 |
if (bind(fd, (struct sockaddr *)&saddr, sizeof(saddr)) < 0) |
3409 |
{ |
3410 |
perror("bind");
|
3411 |
goto return_err;
|
3412 |
} |
3413 |
|
3414 |
s->fd = fd; |
3415 |
s->bufcnt = 0;
|
3416 |
s->bufptr = 0;
|
3417 |
chr->opaque = s; |
3418 |
chr->chr_write = udp_chr_write; |
3419 |
chr->chr_update_read_handler = udp_chr_update_read_handler; |
3420 |
return chr;
|
3421 |
|
3422 |
return_err:
|
3423 |
if (chr)
|
3424 |
free(chr); |
3425 |
if (s)
|
3426 |
free(s); |
3427 |
if (fd >= 0) |
3428 |
closesocket(fd); |
3429 |
return NULL; |
3430 |
} |
3431 |
|
3432 |
/***********************************************************/
|
3433 |
/* TCP Net console */
|
3434 |
|
3435 |
typedef struct { |
3436 |
int fd, listen_fd;
|
3437 |
int connected;
|
3438 |
int max_size;
|
3439 |
int do_telnetopt;
|
3440 |
int do_nodelay;
|
3441 |
int is_unix;
|
3442 |
} TCPCharDriver; |
3443 |
|
3444 |
static void tcp_chr_accept(void *opaque); |
3445 |
|
3446 |
static int tcp_chr_write(CharDriverState *chr, const uint8_t *buf, int len) |
3447 |
{ |
3448 |
TCPCharDriver *s = chr->opaque; |
3449 |
if (s->connected) {
|
3450 |
return send_all(s->fd, buf, len);
|
3451 |
} else {
|
3452 |
/* XXX: indicate an error ? */
|
3453 |
return len;
|
3454 |
} |
3455 |
} |
3456 |
|
3457 |
static int tcp_chr_read_poll(void *opaque) |
3458 |
{ |
3459 |
CharDriverState *chr = opaque; |
3460 |
TCPCharDriver *s = chr->opaque; |
3461 |
if (!s->connected)
|
3462 |
return 0; |
3463 |
s->max_size = qemu_chr_can_read(chr); |
3464 |
return s->max_size;
|
3465 |
} |
3466 |
|
3467 |
#define IAC 255 |
3468 |
#define IAC_BREAK 243 |
3469 |
static void tcp_chr_process_IAC_bytes(CharDriverState *chr, |
3470 |
TCPCharDriver *s, |
3471 |
uint8_t *buf, int *size)
|
3472 |
{ |
3473 |
/* Handle any telnet client's basic IAC options to satisfy char by
|
3474 |
* char mode with no echo. All IAC options will be removed from
|
3475 |
* the buf and the do_telnetopt variable will be used to track the
|
3476 |
* state of the width of the IAC information.
|
3477 |
*
|
3478 |
* IAC commands come in sets of 3 bytes with the exception of the
|
3479 |
* "IAC BREAK" command and the double IAC.
|
3480 |
*/
|
3481 |
|
3482 |
int i;
|
3483 |
int j = 0; |
3484 |
|
3485 |
for (i = 0; i < *size; i++) { |
3486 |
if (s->do_telnetopt > 1) { |
3487 |
if ((unsigned char)buf[i] == IAC && s->do_telnetopt == 2) { |
3488 |
/* Double IAC means send an IAC */
|
3489 |
if (j != i)
|
3490 |
buf[j] = buf[i]; |
3491 |
j++; |
3492 |
s->do_telnetopt = 1;
|
3493 |
} else {
|
3494 |
if ((unsigned char)buf[i] == IAC_BREAK && s->do_telnetopt == 2) { |
3495 |
/* Handle IAC break commands by sending a serial break */
|
3496 |
qemu_chr_event(chr, CHR_EVENT_BREAK); |
3497 |
s->do_telnetopt++; |
3498 |
} |
3499 |
s->do_telnetopt++; |
3500 |
} |
3501 |
if (s->do_telnetopt >= 4) { |
3502 |
s->do_telnetopt = 1;
|
3503 |
} |
3504 |
} else {
|
3505 |
if ((unsigned char)buf[i] == IAC) { |
3506 |
s->do_telnetopt = 2;
|
3507 |
} else {
|
3508 |
if (j != i)
|
3509 |
buf[j] = buf[i]; |
3510 |
j++; |
3511 |
} |
3512 |
} |
3513 |
} |
3514 |
*size = j; |
3515 |
} |
3516 |
|
3517 |
static void tcp_chr_read(void *opaque) |
3518 |
{ |
3519 |
CharDriverState *chr = opaque; |
3520 |
TCPCharDriver *s = chr->opaque; |
3521 |
uint8_t buf[1024];
|
3522 |
int len, size;
|
3523 |
|
3524 |
if (!s->connected || s->max_size <= 0) |
3525 |
return;
|
3526 |
len = sizeof(buf);
|
3527 |
if (len > s->max_size)
|
3528 |
len = s->max_size; |
3529 |
size = recv(s->fd, buf, len, 0);
|
3530 |
if (size == 0) { |
3531 |
/* connection closed */
|
3532 |
s->connected = 0;
|
3533 |
if (s->listen_fd >= 0) { |
3534 |
qemu_set_fd_handler(s->listen_fd, tcp_chr_accept, NULL, chr);
|
3535 |
} |
3536 |
qemu_set_fd_handler(s->fd, NULL, NULL, NULL); |
3537 |
closesocket(s->fd); |
3538 |
s->fd = -1;
|
3539 |
} else if (size > 0) { |
3540 |
if (s->do_telnetopt)
|
3541 |
tcp_chr_process_IAC_bytes(chr, s, buf, &size); |
3542 |
if (size > 0) |
3543 |
qemu_chr_read(chr, buf, size); |
3544 |
} |
3545 |
} |
3546 |
|
3547 |
static void tcp_chr_connect(void *opaque) |
3548 |
{ |
3549 |
CharDriverState *chr = opaque; |
3550 |
TCPCharDriver *s = chr->opaque; |
3551 |
|
3552 |
s->connected = 1;
|
3553 |
qemu_set_fd_handler2(s->fd, tcp_chr_read_poll, |
3554 |
tcp_chr_read, NULL, chr);
|
3555 |
qemu_chr_reset(chr); |
3556 |
} |
3557 |
|
3558 |
#define IACSET(x,a,b,c) x[0] = a; x[1] = b; x[2] = c; |
3559 |
static void tcp_chr_telnet_init(int fd) |
3560 |
{ |
3561 |
char buf[3]; |
3562 |
/* Send the telnet negotion to put telnet in binary, no echo, single char mode */
|
3563 |
IACSET(buf, 0xff, 0xfb, 0x01); /* IAC WILL ECHO */ |
3564 |
send(fd, (char *)buf, 3, 0); |
3565 |
IACSET(buf, 0xff, 0xfb, 0x03); /* IAC WILL Suppress go ahead */ |
3566 |
send(fd, (char *)buf, 3, 0); |
3567 |
IACSET(buf, 0xff, 0xfb, 0x00); /* IAC WILL Binary */ |
3568 |
send(fd, (char *)buf, 3, 0); |
3569 |
IACSET(buf, 0xff, 0xfd, 0x00); /* IAC DO Binary */ |
3570 |
send(fd, (char *)buf, 3, 0); |
3571 |
} |
3572 |
|
3573 |
static void socket_set_nodelay(int fd) |
3574 |
{ |
3575 |
int val = 1; |
3576 |
setsockopt(fd, IPPROTO_TCP, TCP_NODELAY, (char *)&val, sizeof(val)); |
3577 |
} |
3578 |
|
3579 |
static void tcp_chr_accept(void *opaque) |
3580 |
{ |
3581 |
CharDriverState *chr = opaque; |
3582 |
TCPCharDriver *s = chr->opaque; |
3583 |
struct sockaddr_in saddr;
|
3584 |
#ifndef _WIN32
|
3585 |
struct sockaddr_un uaddr;
|
3586 |
#endif
|
3587 |
struct sockaddr *addr;
|
3588 |
socklen_t len; |
3589 |
int fd;
|
3590 |
|
3591 |
for(;;) {
|
3592 |
#ifndef _WIN32
|
3593 |
if (s->is_unix) {
|
3594 |
len = sizeof(uaddr);
|
3595 |
addr = (struct sockaddr *)&uaddr;
|
3596 |
} else
|
3597 |
#endif
|
3598 |
{ |
3599 |
len = sizeof(saddr);
|
3600 |
addr = (struct sockaddr *)&saddr;
|
3601 |
} |
3602 |
fd = accept(s->listen_fd, addr, &len); |
3603 |
if (fd < 0 && errno != EINTR) { |
3604 |
return;
|
3605 |
} else if (fd >= 0) { |
3606 |
if (s->do_telnetopt)
|
3607 |
tcp_chr_telnet_init(fd); |
3608 |
break;
|
3609 |
} |
3610 |
} |
3611 |
socket_set_nonblock(fd); |
3612 |
if (s->do_nodelay)
|
3613 |
socket_set_nodelay(fd); |
3614 |
s->fd = fd; |
3615 |
qemu_set_fd_handler(s->listen_fd, NULL, NULL, NULL); |
3616 |
tcp_chr_connect(chr); |
3617 |
} |
3618 |
|
3619 |
static void tcp_chr_close(CharDriverState *chr) |
3620 |
{ |
3621 |
TCPCharDriver *s = chr->opaque; |
3622 |
if (s->fd >= 0) |
3623 |
closesocket(s->fd); |
3624 |
if (s->listen_fd >= 0) |
3625 |
closesocket(s->listen_fd); |
3626 |
qemu_free(s); |
3627 |
} |
3628 |
|
3629 |
static CharDriverState *qemu_chr_open_tcp(const char *host_str, |
3630 |
int is_telnet,
|
3631 |
int is_unix)
|
3632 |
{ |
3633 |
CharDriverState *chr = NULL;
|
3634 |
TCPCharDriver *s = NULL;
|
3635 |
int fd = -1, ret, err, val; |
3636 |
int is_listen = 0; |
3637 |
int is_waitconnect = 1; |
3638 |
int do_nodelay = 0; |
3639 |
const char *ptr; |
3640 |
struct sockaddr_in saddr;
|
3641 |
#ifndef _WIN32
|
3642 |
struct sockaddr_un uaddr;
|
3643 |
#endif
|
3644 |
struct sockaddr *addr;
|
3645 |
socklen_t addrlen; |
3646 |
|
3647 |
#ifndef _WIN32
|
3648 |
if (is_unix) {
|
3649 |
addr = (struct sockaddr *)&uaddr;
|
3650 |
addrlen = sizeof(uaddr);
|
3651 |
if (parse_unix_path(&uaddr, host_str) < 0) |
3652 |
goto fail;
|
3653 |
} else
|
3654 |
#endif
|
3655 |
{ |
3656 |
addr = (struct sockaddr *)&saddr;
|
3657 |
addrlen = sizeof(saddr);
|
3658 |
if (parse_host_port(&saddr, host_str) < 0) |
3659 |
goto fail;
|
3660 |
} |
3661 |
|
3662 |
ptr = host_str; |
3663 |
while((ptr = strchr(ptr,','))) { |
3664 |
ptr++; |
3665 |
if (!strncmp(ptr,"server",6)) { |
3666 |
is_listen = 1;
|
3667 |
} else if (!strncmp(ptr,"nowait",6)) { |
3668 |
is_waitconnect = 0;
|
3669 |
} else if (!strncmp(ptr,"nodelay",6)) { |
3670 |
do_nodelay = 1;
|
3671 |
} else {
|
3672 |
printf("Unknown option: %s\n", ptr);
|
3673 |
goto fail;
|
3674 |
} |
3675 |
} |
3676 |
if (!is_listen)
|
3677 |
is_waitconnect = 0;
|
3678 |
|
3679 |
chr = qemu_mallocz(sizeof(CharDriverState));
|
3680 |
if (!chr)
|
3681 |
goto fail;
|
3682 |
s = qemu_mallocz(sizeof(TCPCharDriver));
|
3683 |
if (!s)
|
3684 |
goto fail;
|
3685 |
|
3686 |
#ifndef _WIN32
|
3687 |
if (is_unix)
|
3688 |
fd = socket(PF_UNIX, SOCK_STREAM, 0);
|
3689 |
else
|
3690 |
#endif
|
3691 |
fd = socket(PF_INET, SOCK_STREAM, 0);
|
3692 |
|
3693 |
if (fd < 0) |
3694 |
goto fail;
|
3695 |
|
3696 |
if (!is_waitconnect)
|
3697 |
socket_set_nonblock(fd); |
3698 |
|
3699 |
s->connected = 0;
|
3700 |
s->fd = -1;
|
3701 |
s->listen_fd = -1;
|
3702 |
s->is_unix = is_unix; |
3703 |
s->do_nodelay = do_nodelay && !is_unix; |
3704 |
|
3705 |
chr->opaque = s; |
3706 |
chr->chr_write = tcp_chr_write; |
3707 |
chr->chr_close = tcp_chr_close; |
3708 |
|
3709 |
if (is_listen) {
|
3710 |
/* allow fast reuse */
|
3711 |
#ifndef _WIN32
|
3712 |
if (is_unix) {
|
3713 |
char path[109]; |
3714 |
pstrcpy(path, sizeof(path), uaddr.sun_path);
|
3715 |
unlink(path); |
3716 |
} else
|
3717 |
#endif
|
3718 |
{ |
3719 |
val = 1;
|
3720 |
setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, (const char *)&val, sizeof(val)); |
3721 |
} |
3722 |
|
3723 |
ret = bind(fd, addr, addrlen); |
3724 |
if (ret < 0) |
3725 |
goto fail;
|
3726 |
|
3727 |
ret = listen(fd, 0);
|
3728 |
if (ret < 0) |
3729 |
goto fail;
|
3730 |
|
3731 |
s->listen_fd = fd; |
3732 |
qemu_set_fd_handler(s->listen_fd, tcp_chr_accept, NULL, chr);
|
3733 |
if (is_telnet)
|
3734 |
s->do_telnetopt = 1;
|
3735 |
} else {
|
3736 |
for(;;) {
|
3737 |
ret = connect(fd, addr, addrlen); |
3738 |
if (ret < 0) { |
3739 |
err = socket_error(); |
3740 |
if (err == EINTR || err == EWOULDBLOCK) {
|
3741 |
} else if (err == EINPROGRESS) { |
3742 |
break;
|
3743 |
#ifdef _WIN32
|
3744 |
} else if (err == WSAEALREADY) { |
3745 |
break;
|
3746 |
#endif
|
3747 |
} else {
|
3748 |
goto fail;
|
3749 |
} |
3750 |
} else {
|
3751 |
s->connected = 1;
|
3752 |
break;
|
3753 |
} |
3754 |
} |
3755 |
s->fd = fd; |
3756 |
socket_set_nodelay(fd); |
3757 |
if (s->connected)
|
3758 |
tcp_chr_connect(chr); |
3759 |
else
|
3760 |
qemu_set_fd_handler(s->fd, NULL, tcp_chr_connect, chr);
|
3761 |
} |
3762 |
|
3763 |
if (is_listen && is_waitconnect) {
|
3764 |
printf("QEMU waiting for connection on: %s\n", host_str);
|
3765 |
tcp_chr_accept(chr); |
3766 |
socket_set_nonblock(s->listen_fd); |
3767 |
} |
3768 |
|
3769 |
return chr;
|
3770 |
fail:
|
3771 |
if (fd >= 0) |
3772 |
closesocket(fd); |
3773 |
qemu_free(s); |
3774 |
qemu_free(chr); |
3775 |
return NULL; |
3776 |
} |
3777 |
|
3778 |
CharDriverState *qemu_chr_open(const char *filename) |
3779 |
{ |
3780 |
const char *p; |
3781 |
|
3782 |
if (!strcmp(filename, "vc")) { |
3783 |
return text_console_init(&display_state, 0); |
3784 |
} else if (strstart(filename, "vc:", &p)) { |
3785 |
return text_console_init(&display_state, p);
|
3786 |
} else if (!strcmp(filename, "null")) { |
3787 |
return qemu_chr_open_null();
|
3788 |
} else
|
3789 |
if (strstart(filename, "tcp:", &p)) { |
3790 |
return qemu_chr_open_tcp(p, 0, 0); |
3791 |
} else
|
3792 |
if (strstart(filename, "telnet:", &p)) { |
3793 |
return qemu_chr_open_tcp(p, 1, 0); |
3794 |
} else
|
3795 |
if (strstart(filename, "udp:", &p)) { |
3796 |
return qemu_chr_open_udp(p);
|
3797 |
} else
|
3798 |
if (strstart(filename, "mon:", &p)) { |
3799 |
CharDriverState *drv = qemu_chr_open(p); |
3800 |
if (drv) {
|
3801 |
drv = qemu_chr_open_mux(drv); |
3802 |
monitor_init(drv, !nographic); |
3803 |
return drv;
|
3804 |
} |
3805 |
printf("Unable to open driver: %s\n", p);
|
3806 |
return 0; |
3807 |
} else
|
3808 |
#ifndef _WIN32
|
3809 |
if (strstart(filename, "unix:", &p)) { |
3810 |
return qemu_chr_open_tcp(p, 0, 1); |
3811 |
} else if (strstart(filename, "file:", &p)) { |
3812 |
return qemu_chr_open_file_out(p);
|
3813 |
} else if (strstart(filename, "pipe:", &p)) { |
3814 |
return qemu_chr_open_pipe(p);
|
3815 |
} else if (!strcmp(filename, "pty")) { |
3816 |
return qemu_chr_open_pty();
|
3817 |
} else if (!strcmp(filename, "stdio")) { |
3818 |
return qemu_chr_open_stdio();
|
3819 |
} else
|
3820 |
#if defined(__linux__)
|
3821 |
if (strstart(filename, "/dev/parport", NULL)) { |
3822 |
return qemu_chr_open_pp(filename);
|
3823 |
} else
|
3824 |
#endif
|
3825 |
#if defined(__linux__) || defined(__sun__) || defined(__FreeBSD__) \
|
3826 |
|| defined(__NetBSD__) || defined(__OpenBSD__) |
3827 |
if (strstart(filename, "/dev/", NULL)) { |
3828 |
return qemu_chr_open_tty(filename);
|
3829 |
} else
|
3830 |
#endif
|
3831 |
#else /* !_WIN32 */ |
3832 |
if (strstart(filename, "COM", NULL)) { |
3833 |
return qemu_chr_open_win(filename);
|
3834 |
} else
|
3835 |
if (strstart(filename, "pipe:", &p)) { |
3836 |
return qemu_chr_open_win_pipe(p);
|
3837 |
} else
|
3838 |
if (strstart(filename, "con:", NULL)) { |
3839 |
return qemu_chr_open_win_con(filename);
|
3840 |
} else
|
3841 |
if (strstart(filename, "file:", &p)) { |
3842 |
return qemu_chr_open_win_file_out(p);
|
3843 |
} else
|
3844 |
#endif
|
3845 |
#ifdef CONFIG_BRLAPI
|
3846 |
if (!strcmp(filename, "braille")) { |
3847 |
return chr_baum_init();
|
3848 |
} else
|
3849 |
#endif
|
3850 |
{ |
3851 |
return NULL; |
3852 |
} |
3853 |
} |
3854 |
|
3855 |
void qemu_chr_close(CharDriverState *chr)
|
3856 |
{ |
3857 |
if (chr->chr_close)
|
3858 |
chr->chr_close(chr); |
3859 |
qemu_free(chr); |
3860 |
} |
3861 |
|
3862 |
/***********************************************************/
|
3863 |
/* network device redirectors */
|
3864 |
|
3865 |
__attribute__ (( unused )) |
3866 |
static void hex_dump(FILE *f, const uint8_t *buf, int size) |
3867 |
{ |
3868 |
int len, i, j, c;
|
3869 |
|
3870 |
for(i=0;i<size;i+=16) { |
3871 |
len = size - i; |
3872 |
if (len > 16) |
3873 |
len = 16;
|
3874 |
fprintf(f, "%08x ", i);
|
3875 |
for(j=0;j<16;j++) { |
3876 |
if (j < len)
|
3877 |
fprintf(f, " %02x", buf[i+j]);
|
3878 |
else
|
3879 |
fprintf(f, " ");
|
3880 |
} |
3881 |
fprintf(f, " ");
|
3882 |
for(j=0;j<len;j++) { |
3883 |
c = buf[i+j]; |
3884 |
if (c < ' ' || c > '~') |
3885 |
c = '.';
|
3886 |
fprintf(f, "%c", c);
|
3887 |
} |
3888 |
fprintf(f, "\n");
|
3889 |
} |
3890 |
} |
3891 |
|
3892 |
static int parse_macaddr(uint8_t *macaddr, const char *p) |
3893 |
{ |
3894 |
int i;
|
3895 |
char *last_char;
|
3896 |
long int offset; |
3897 |
|
3898 |
errno = 0;
|
3899 |
offset = strtol(p, &last_char, 0);
|
3900 |
if (0 == errno && '\0' == *last_char && |
3901 |
offset >= 0 && offset <= 0xFFFFFF) { |
3902 |
macaddr[3] = (offset & 0xFF0000) >> 16; |
3903 |
macaddr[4] = (offset & 0xFF00) >> 8; |
3904 |
macaddr[5] = offset & 0xFF; |
3905 |
return 0; |
3906 |
} else {
|
3907 |
for(i = 0; i < 6; i++) { |
3908 |
macaddr[i] = strtol(p, (char **)&p, 16); |
3909 |
if (i == 5) { |
3910 |
if (*p != '\0') |
3911 |
return -1; |
3912 |
} else {
|
3913 |
if (*p != ':' && *p != '-') |
3914 |
return -1; |
3915 |
p++; |
3916 |
} |
3917 |
} |
3918 |
return 0; |
3919 |
} |
3920 |
|
3921 |
return -1; |
3922 |
} |
3923 |
|
3924 |
static int get_str_sep(char *buf, int buf_size, const char **pp, int sep) |
3925 |
{ |
3926 |
const char *p, *p1; |
3927 |
int len;
|
3928 |
p = *pp; |
3929 |
p1 = strchr(p, sep); |
3930 |
if (!p1)
|
3931 |
return -1; |
3932 |
len = p1 - p; |
3933 |
p1++; |
3934 |
if (buf_size > 0) { |
3935 |
if (len > buf_size - 1) |
3936 |
len = buf_size - 1;
|
3937 |
memcpy(buf, p, len); |
3938 |
buf[len] = '\0';
|
3939 |
} |
3940 |
*pp = p1; |
3941 |
return 0; |
3942 |
} |
3943 |
|
3944 |
int parse_host_src_port(struct sockaddr_in *haddr, |
3945 |
struct sockaddr_in *saddr,
|
3946 |
const char *input_str) |
3947 |
{ |
3948 |
char *str = strdup(input_str);
|
3949 |
char *host_str = str;
|
3950 |
char *src_str;
|
3951 |
const char *src_str2; |
3952 |
char *ptr;
|
3953 |
|
3954 |
/*
|
3955 |
* Chop off any extra arguments at the end of the string which
|
3956 |
* would start with a comma, then fill in the src port information
|
3957 |
* if it was provided else use the "any address" and "any port".
|
3958 |
*/
|
3959 |
if ((ptr = strchr(str,','))) |
3960 |
*ptr = '\0';
|
3961 |
|
3962 |
if ((src_str = strchr(input_str,'@'))) { |
3963 |
*src_str = '\0';
|
3964 |
src_str++; |
3965 |
} |
3966 |
|
3967 |
if (parse_host_port(haddr, host_str) < 0) |
3968 |
goto fail;
|
3969 |
|
3970 |
src_str2 = src_str; |
3971 |
if (!src_str || *src_str == '\0') |
3972 |
src_str2 = ":0";
|
3973 |
|
3974 |
if (parse_host_port(saddr, src_str2) < 0) |
3975 |
goto fail;
|
3976 |
|
3977 |
free(str); |
3978 |
return(0); |
3979 |
|
3980 |
fail:
|
3981 |
free(str); |
3982 |
return -1; |
3983 |
} |
3984 |
|
3985 |
int parse_host_port(struct sockaddr_in *saddr, const char *str) |
3986 |
{ |
3987 |
char buf[512]; |
3988 |
struct hostent *he;
|
3989 |
const char *p, *r; |
3990 |
int port;
|
3991 |
|
3992 |
p = str; |
3993 |
if (get_str_sep(buf, sizeof(buf), &p, ':') < 0) |
3994 |
return -1; |
3995 |
saddr->sin_family = AF_INET; |
3996 |
if (buf[0] == '\0') { |
3997 |
saddr->sin_addr.s_addr = 0;
|
3998 |
} else {
|
3999 |
if (isdigit(buf[0])) { |
4000 |
if (!inet_aton(buf, &saddr->sin_addr))
|
4001 |
return -1; |
4002 |
} else {
|
4003 |
if ((he = gethostbyname(buf)) == NULL) |
4004 |
return - 1; |
4005 |
saddr->sin_addr = *(struct in_addr *)he->h_addr;
|
4006 |
} |
4007 |
} |
4008 |
port = strtol(p, (char **)&r, 0); |
4009 |
if (r == p)
|
4010 |
return -1; |
4011 |
saddr->sin_port = htons(port); |
4012 |
return 0; |
4013 |
} |
4014 |
|
4015 |
#ifndef _WIN32
|
4016 |
static int parse_unix_path(struct sockaddr_un *uaddr, const char *str) |
4017 |
{ |
4018 |
const char *p; |
4019 |
int len;
|
4020 |
|
4021 |
len = MIN(108, strlen(str));
|
4022 |
p = strchr(str, ',');
|
4023 |
if (p)
|
4024 |
len = MIN(len, p - str); |
4025 |
|
4026 |
memset(uaddr, 0, sizeof(*uaddr)); |
4027 |
|
4028 |
uaddr->sun_family = AF_UNIX; |
4029 |
memcpy(uaddr->sun_path, str, len); |
4030 |
|
4031 |
return 0; |
4032 |
} |
4033 |
#endif
|
4034 |
|
4035 |
/* find or alloc a new VLAN */
|
4036 |
VLANState *qemu_find_vlan(int id)
|
4037 |
{ |
4038 |
VLANState **pvlan, *vlan; |
4039 |
for(vlan = first_vlan; vlan != NULL; vlan = vlan->next) { |
4040 |
if (vlan->id == id)
|
4041 |
return vlan;
|
4042 |
} |
4043 |
vlan = qemu_mallocz(sizeof(VLANState));
|
4044 |
if (!vlan)
|
4045 |
return NULL; |
4046 |
vlan->id = id; |
4047 |
vlan->next = NULL;
|
4048 |
pvlan = &first_vlan; |
4049 |
while (*pvlan != NULL) |
4050 |
pvlan = &(*pvlan)->next; |
4051 |
*pvlan = vlan; |
4052 |
return vlan;
|
4053 |
} |
4054 |
|
4055 |
VLANClientState *qemu_new_vlan_client(VLANState *vlan, |
4056 |
IOReadHandler *fd_read, |
4057 |
IOCanRWHandler *fd_can_read, |
4058 |
void *opaque)
|
4059 |
{ |
4060 |
VLANClientState *vc, **pvc; |
4061 |
vc = qemu_mallocz(sizeof(VLANClientState));
|
4062 |
if (!vc)
|
4063 |
return NULL; |
4064 |
vc->fd_read = fd_read; |
4065 |
vc->fd_can_read = fd_can_read; |
4066 |
vc->opaque = opaque; |
4067 |
vc->vlan = vlan; |
4068 |
|
4069 |
vc->next = NULL;
|
4070 |
pvc = &vlan->first_client; |
4071 |
while (*pvc != NULL) |
4072 |
pvc = &(*pvc)->next; |
4073 |
*pvc = vc; |
4074 |
return vc;
|
4075 |
} |
4076 |
|
4077 |
void qemu_del_vlan_client(VLANClientState *vc)
|
4078 |
{ |
4079 |
VLANClientState **pvc = &vc->vlan->first_client; |
4080 |
|
4081 |
while (*pvc != NULL) |
4082 |
if (*pvc == vc) {
|
4083 |
*pvc = vc->next; |
4084 |
free(vc); |
4085 |
break;
|
4086 |
} else
|
4087 |
pvc = &(*pvc)->next; |
4088 |
} |
4089 |
|
4090 |
int qemu_can_send_packet(VLANClientState *vc1)
|
4091 |
{ |
4092 |
VLANState *vlan = vc1->vlan; |
4093 |
VLANClientState *vc; |
4094 |
|
4095 |
for(vc = vlan->first_client; vc != NULL; vc = vc->next) { |
4096 |
if (vc != vc1) {
|
4097 |
if (vc->fd_can_read && vc->fd_can_read(vc->opaque))
|
4098 |
return 1; |
4099 |
} |
4100 |
} |
4101 |
return 0; |
4102 |
} |
4103 |
|
4104 |
void qemu_send_packet(VLANClientState *vc1, const uint8_t *buf, int size) |
4105 |
{ |
4106 |
VLANState *vlan = vc1->vlan; |
4107 |
VLANClientState *vc; |
4108 |
|
4109 |
#if 0
|
4110 |
printf("vlan %d send:\n", vlan->id);
|
4111 |
hex_dump(stdout, buf, size);
|
4112 |
#endif
|
4113 |
for(vc = vlan->first_client; vc != NULL; vc = vc->next) { |
4114 |
if (vc != vc1) {
|
4115 |
vc->fd_read(vc->opaque, buf, size); |
4116 |
} |
4117 |
} |
4118 |
} |
4119 |
|
4120 |
#if defined(CONFIG_SLIRP)
|
4121 |
|
4122 |
/* slirp network adapter */
|
4123 |
|
4124 |
static int slirp_inited; |
4125 |
static VLANClientState *slirp_vc;
|
4126 |
|
4127 |
int slirp_can_output(void) |
4128 |
{ |
4129 |
return !slirp_vc || qemu_can_send_packet(slirp_vc);
|
4130 |
} |
4131 |
|
4132 |
void slirp_output(const uint8_t *pkt, int pkt_len) |
4133 |
{ |
4134 |
#if 0
|
4135 |
printf("slirp output:\n");
|
4136 |
hex_dump(stdout, pkt, pkt_len);
|
4137 |
#endif
|
4138 |
if (!slirp_vc)
|
4139 |
return;
|
4140 |
qemu_send_packet(slirp_vc, pkt, pkt_len); |
4141 |
} |
4142 |
|
4143 |
static void slirp_receive(void *opaque, const uint8_t *buf, int size) |
4144 |
{ |
4145 |
#if 0
|
4146 |
printf("slirp input:\n");
|
4147 |
hex_dump(stdout, buf, size);
|
4148 |
#endif
|
4149 |
slirp_input(buf, size); |
4150 |
} |
4151 |
|
4152 |
static int net_slirp_init(VLANState *vlan) |
4153 |
{ |
4154 |
if (!slirp_inited) {
|
4155 |
slirp_inited = 1;
|
4156 |
slirp_init(); |
4157 |
} |
4158 |
slirp_vc = qemu_new_vlan_client(vlan, |
4159 |
slirp_receive, NULL, NULL); |
4160 |
snprintf(slirp_vc->info_str, sizeof(slirp_vc->info_str), "user redirector"); |
4161 |
return 0; |
4162 |
} |
4163 |
|
4164 |
static void net_slirp_redir(const char *redir_str) |
4165 |
{ |
4166 |
int is_udp;
|
4167 |
char buf[256], *r; |
4168 |
const char *p; |
4169 |
struct in_addr guest_addr;
|
4170 |
int host_port, guest_port;
|
4171 |
|
4172 |
if (!slirp_inited) {
|
4173 |
slirp_inited = 1;
|
4174 |
slirp_init(); |
4175 |
} |
4176 |
|
4177 |
p = redir_str; |
4178 |
if (get_str_sep(buf, sizeof(buf), &p, ':') < 0) |
4179 |
goto fail;
|
4180 |
if (!strcmp(buf, "tcp")) { |
4181 |
is_udp = 0;
|
4182 |
} else if (!strcmp(buf, "udp")) { |
4183 |
is_udp = 1;
|
4184 |
} else {
|
4185 |
goto fail;
|
4186 |
} |
4187 |
|
4188 |
if (get_str_sep(buf, sizeof(buf), &p, ':') < 0) |
4189 |
goto fail;
|
4190 |
host_port = strtol(buf, &r, 0);
|
4191 |
if (r == buf)
|
4192 |
goto fail;
|
4193 |
|
4194 |
if (get_str_sep(buf, sizeof(buf), &p, ':') < 0) |
4195 |
goto fail;
|
4196 |
if (buf[0] == '\0') { |
4197 |
pstrcpy(buf, sizeof(buf), "10.0.2.15"); |
4198 |
} |
4199 |
if (!inet_aton(buf, &guest_addr))
|
4200 |
goto fail;
|
4201 |
|
4202 |
guest_port = strtol(p, &r, 0);
|
4203 |
if (r == p)
|
4204 |
goto fail;
|
4205 |
|
4206 |
if (slirp_redir(is_udp, host_port, guest_addr, guest_port) < 0) { |
4207 |
fprintf(stderr, "qemu: could not set up redirection\n");
|
4208 |
exit(1);
|
4209 |
} |
4210 |
return;
|
4211 |
fail:
|
4212 |
fprintf(stderr, "qemu: syntax: -redir [tcp|udp]:host-port:[guest-host]:guest-port\n");
|
4213 |
exit(1);
|
4214 |
} |
4215 |
|
4216 |
#ifndef _WIN32
|
4217 |
|
4218 |
char smb_dir[1024]; |
4219 |
|
4220 |
static void erase_dir(char *dir_name) |
4221 |
{ |
4222 |
DIR *d; |
4223 |
struct dirent *de;
|
4224 |
char filename[1024]; |
4225 |
|
4226 |
/* erase all the files in the directory */
|
4227 |
if ((d = opendir(dir_name)) != 0) { |
4228 |
for(;;) {
|
4229 |
de = readdir(d); |
4230 |
if (!de)
|
4231 |
break;
|
4232 |
if (strcmp(de->d_name, ".") != 0 && |
4233 |
strcmp(de->d_name, "..") != 0) { |
4234 |
snprintf(filename, sizeof(filename), "%s/%s", |
4235 |
smb_dir, de->d_name); |
4236 |
if (unlink(filename) != 0) /* is it a directory? */ |
4237 |
erase_dir(filename); |
4238 |
} |
4239 |
} |
4240 |
closedir(d); |
4241 |
rmdir(dir_name); |
4242 |
} |
4243 |
} |
4244 |
|
4245 |
/* automatic user mode samba server configuration */
|
4246 |
static void smb_exit(void) |
4247 |
{ |
4248 |
erase_dir(smb_dir); |
4249 |
} |
4250 |
|
4251 |
/* automatic user mode samba server configuration */
|
4252 |
static void net_slirp_smb(const char *exported_dir) |
4253 |
{ |
4254 |
char smb_conf[1024]; |
4255 |
char smb_cmdline[1024]; |
4256 |
FILE *f; |
4257 |
|
4258 |
if (!slirp_inited) {
|
4259 |
slirp_inited = 1;
|
4260 |
slirp_init(); |
4261 |
} |
4262 |
|
4263 |
/* XXX: better tmp dir construction */
|
4264 |
snprintf(smb_dir, sizeof(smb_dir), "/tmp/qemu-smb.%d", getpid()); |
4265 |
if (mkdir(smb_dir, 0700) < 0) { |
4266 |
fprintf(stderr, "qemu: could not create samba server dir '%s'\n", smb_dir);
|
4267 |
exit(1);
|
4268 |
} |
4269 |
snprintf(smb_conf, sizeof(smb_conf), "%s/%s", smb_dir, "smb.conf"); |
4270 |
|
4271 |
f = fopen(smb_conf, "w");
|
4272 |
if (!f) {
|
4273 |
fprintf(stderr, "qemu: could not create samba server configuration file '%s'\n", smb_conf);
|
4274 |
exit(1);
|
4275 |
} |
4276 |
fprintf(f, |
4277 |
"[global]\n"
|
4278 |
"private dir=%s\n"
|
4279 |
"smb ports=0\n"
|
4280 |
"socket address=127.0.0.1\n"
|
4281 |
"pid directory=%s\n"
|
4282 |
"lock directory=%s\n"
|
4283 |
"log file=%s/log.smbd\n"
|
4284 |
"smb passwd file=%s/smbpasswd\n"
|
4285 |
"security = share\n"
|
4286 |
"[qemu]\n"
|
4287 |
"path=%s\n"
|
4288 |
"read only=no\n"
|
4289 |
"guest ok=yes\n",
|
4290 |
smb_dir, |
4291 |
smb_dir, |
4292 |
smb_dir, |
4293 |
smb_dir, |
4294 |
smb_dir, |
4295 |
exported_dir |
4296 |
); |
4297 |
fclose(f); |
4298 |
atexit(smb_exit); |
4299 |
|
4300 |
snprintf(smb_cmdline, sizeof(smb_cmdline), "%s -s %s", |
4301 |
SMBD_COMMAND, smb_conf); |
4302 |
|
4303 |
slirp_add_exec(0, smb_cmdline, 4, 139); |
4304 |
} |
4305 |
|
4306 |
#endif /* !defined(_WIN32) */ |
4307 |
void do_info_slirp(void) |
4308 |
{ |
4309 |
slirp_stats(); |
4310 |
} |
4311 |
|
4312 |
#endif /* CONFIG_SLIRP */ |
4313 |
|
4314 |
#if !defined(_WIN32)
|
4315 |
|
4316 |
typedef struct TAPState { |
4317 |
VLANClientState *vc; |
4318 |
int fd;
|
4319 |
char down_script[1024]; |
4320 |
} TAPState; |
4321 |
|
4322 |
static void tap_receive(void *opaque, const uint8_t *buf, int size) |
4323 |
{ |
4324 |
TAPState *s = opaque; |
4325 |
int ret;
|
4326 |
for(;;) {
|
4327 |
ret = write(s->fd, buf, size); |
4328 |
if (ret < 0 && (errno == EINTR || errno == EAGAIN)) { |
4329 |
} else {
|
4330 |
break;
|
4331 |
} |
4332 |
} |
4333 |
} |
4334 |
|
4335 |
static void tap_send(void *opaque) |
4336 |
{ |
4337 |
TAPState *s = opaque; |
4338 |
uint8_t buf[4096];
|
4339 |
int size;
|
4340 |
|
4341 |
#ifdef __sun__
|
4342 |
struct strbuf sbuf;
|
4343 |
int f = 0; |
4344 |
sbuf.maxlen = sizeof(buf);
|
4345 |
sbuf.buf = buf; |
4346 |
size = getmsg(s->fd, NULL, &sbuf, &f) >=0 ? sbuf.len : -1; |
4347 |
#else
|
4348 |
size = read(s->fd, buf, sizeof(buf));
|
4349 |
#endif
|
4350 |
if (size > 0) { |
4351 |
qemu_send_packet(s->vc, buf, size); |
4352 |
} |
4353 |
} |
4354 |
|
4355 |
/* fd support */
|
4356 |
|
4357 |
static TAPState *net_tap_fd_init(VLANState *vlan, int fd) |
4358 |
{ |
4359 |
TAPState *s; |
4360 |
|
4361 |
s = qemu_mallocz(sizeof(TAPState));
|
4362 |
if (!s)
|
4363 |
return NULL; |
4364 |
s->fd = fd; |
4365 |
s->vc = qemu_new_vlan_client(vlan, tap_receive, NULL, s);
|
4366 |
qemu_set_fd_handler(s->fd, tap_send, NULL, s);
|
4367 |
snprintf(s->vc->info_str, sizeof(s->vc->info_str), "tap: fd=%d", fd); |
4368 |
return s;
|
4369 |
} |
4370 |
|
4371 |
#if defined (_BSD) || defined (__FreeBSD_kernel__)
|
4372 |
static int tap_open(char *ifname, int ifname_size) |
4373 |
{ |
4374 |
int fd;
|
4375 |
char *dev;
|
4376 |
struct stat s;
|
4377 |
|
4378 |
TFR(fd = open("/dev/tap", O_RDWR));
|
4379 |
if (fd < 0) { |
4380 |
fprintf(stderr, "warning: could not open /dev/tap: no virtual network emulation\n");
|
4381 |
return -1; |
4382 |
} |
4383 |
|
4384 |
fstat(fd, &s); |
4385 |
dev = devname(s.st_rdev, S_IFCHR); |
4386 |
pstrcpy(ifname, ifname_size, dev); |
4387 |
|
4388 |
fcntl(fd, F_SETFL, O_NONBLOCK); |
4389 |
return fd;
|
4390 |
} |
4391 |
#elif defined(__sun__)
|
4392 |
#define TUNNEWPPA (('T'<<16) | 0x0001) |
4393 |
/*
|
4394 |
* Allocate TAP device, returns opened fd.
|
4395 |
* Stores dev name in the first arg(must be large enough).
|
4396 |
*/
|
4397 |
int tap_alloc(char *dev, size_t dev_size) |
4398 |
{ |
4399 |
int tap_fd, if_fd, ppa = -1; |
4400 |
static int ip_fd = 0; |
4401 |
char *ptr;
|
4402 |
|
4403 |
static int arp_fd = 0; |
4404 |
int ip_muxid, arp_muxid;
|
4405 |
struct strioctl strioc_if, strioc_ppa;
|
4406 |
int link_type = I_PLINK;;
|
4407 |
struct lifreq ifr;
|
4408 |
char actual_name[32] = ""; |
4409 |
|
4410 |
memset(&ifr, 0x0, sizeof(ifr)); |
4411 |
|
4412 |
if( *dev ){
|
4413 |
ptr = dev; |
4414 |
while( *ptr && !isdigit((int)*ptr) ) ptr++; |
4415 |
ppa = atoi(ptr); |
4416 |
} |
4417 |
|
4418 |
/* Check if IP device was opened */
|
4419 |
if( ip_fd )
|
4420 |
close(ip_fd); |
4421 |
|
4422 |
TFR(ip_fd = open("/dev/udp", O_RDWR, 0)); |
4423 |
if (ip_fd < 0) { |
4424 |
syslog(LOG_ERR, "Can't open /dev/ip (actually /dev/udp)");
|
4425 |
return -1; |
4426 |
} |
4427 |
|
4428 |
TFR(tap_fd = open("/dev/tap", O_RDWR, 0)); |
4429 |
if (tap_fd < 0) { |
4430 |
syslog(LOG_ERR, "Can't open /dev/tap");
|
4431 |
return -1; |
4432 |
} |
4433 |
|
4434 |
/* Assign a new PPA and get its unit number. */
|
4435 |
strioc_ppa.ic_cmd = TUNNEWPPA; |
4436 |
strioc_ppa.ic_timout = 0;
|
4437 |
strioc_ppa.ic_len = sizeof(ppa);
|
4438 |
strioc_ppa.ic_dp = (char *)&ppa;
|
4439 |
if ((ppa = ioctl (tap_fd, I_STR, &strioc_ppa)) < 0) |
4440 |
syslog (LOG_ERR, "Can't assign new interface");
|
4441 |
|
4442 |
TFR(if_fd = open("/dev/tap", O_RDWR, 0)); |
4443 |
if (if_fd < 0) { |
4444 |
syslog(LOG_ERR, "Can't open /dev/tap (2)");
|
4445 |
return -1; |
4446 |
} |
4447 |
if(ioctl(if_fd, I_PUSH, "ip") < 0){ |
4448 |
syslog(LOG_ERR, "Can't push IP module");
|
4449 |
return -1; |
4450 |
} |
4451 |
|
4452 |
if (ioctl(if_fd, SIOCGLIFFLAGS, &ifr) < 0) |
4453 |
syslog(LOG_ERR, "Can't get flags\n");
|
4454 |
|
4455 |
snprintf (actual_name, 32, "tap%d", ppa); |
4456 |
strncpy (ifr.lifr_name, actual_name, sizeof (ifr.lifr_name));
|
4457 |
|
4458 |
ifr.lifr_ppa = ppa; |
4459 |
/* Assign ppa according to the unit number returned by tun device */
|
4460 |
|
4461 |
if (ioctl (if_fd, SIOCSLIFNAME, &ifr) < 0) |
4462 |
syslog (LOG_ERR, "Can't set PPA %d", ppa);
|
4463 |
if (ioctl(if_fd, SIOCGLIFFLAGS, &ifr) <0) |
4464 |
syslog (LOG_ERR, "Can't get flags\n");
|
4465 |
/* Push arp module to if_fd */
|
4466 |
if (ioctl (if_fd, I_PUSH, "arp") < 0) |
4467 |
syslog (LOG_ERR, "Can't push ARP module (2)");
|
4468 |
|
4469 |
/* Push arp module to ip_fd */
|
4470 |
if (ioctl (ip_fd, I_POP, NULL) < 0) |
4471 |
syslog (LOG_ERR, "I_POP failed\n");
|
4472 |
if (ioctl (ip_fd, I_PUSH, "arp") < 0) |
4473 |
syslog (LOG_ERR, "Can't push ARP module (3)\n");
|
4474 |
/* Open arp_fd */
|
4475 |
TFR(arp_fd = open ("/dev/tap", O_RDWR, 0)); |
4476 |
if (arp_fd < 0) |
4477 |
syslog (LOG_ERR, "Can't open %s\n", "/dev/tap"); |
4478 |
|
4479 |
/* Set ifname to arp */
|
4480 |
strioc_if.ic_cmd = SIOCSLIFNAME; |
4481 |
strioc_if.ic_timout = 0;
|
4482 |
strioc_if.ic_len = sizeof(ifr);
|
4483 |
strioc_if.ic_dp = (char *)𝔦
|
4484 |
if (ioctl(arp_fd, I_STR, &strioc_if) < 0){ |
4485 |
syslog (LOG_ERR, "Can't set ifname to arp\n");
|
4486 |
} |
4487 |
|
4488 |
if((ip_muxid = ioctl(ip_fd, I_LINK, if_fd)) < 0){ |
4489 |
syslog(LOG_ERR, "Can't link TAP device to IP");
|
4490 |
return -1; |
4491 |
} |
4492 |
|
4493 |
if ((arp_muxid = ioctl (ip_fd, link_type, arp_fd)) < 0) |
4494 |
syslog (LOG_ERR, "Can't link TAP device to ARP");
|
4495 |
|
4496 |
close (if_fd); |
4497 |
|
4498 |
memset(&ifr, 0x0, sizeof(ifr)); |
4499 |
strncpy (ifr.lifr_name, actual_name, sizeof (ifr.lifr_name));
|
4500 |
ifr.lifr_ip_muxid = ip_muxid; |
4501 |
ifr.lifr_arp_muxid = arp_muxid; |
4502 |
|
4503 |
if (ioctl (ip_fd, SIOCSLIFMUXID, &ifr) < 0) |
4504 |
{ |
4505 |
ioctl (ip_fd, I_PUNLINK , arp_muxid); |
4506 |
ioctl (ip_fd, I_PUNLINK, ip_muxid); |
4507 |
syslog (LOG_ERR, "Can't set multiplexor id");
|
4508 |
} |
4509 |
|
4510 |
snprintf(dev, dev_size, "tap%d", ppa);
|
4511 |
return tap_fd;
|
4512 |
} |
4513 |
|
4514 |
static int tap_open(char *ifname, int ifname_size) |
4515 |
{ |
4516 |
char dev[10]=""; |
4517 |
int fd;
|
4518 |
if( (fd = tap_alloc(dev, sizeof(dev))) < 0 ){ |
4519 |
fprintf(stderr, "Cannot allocate TAP device\n");
|
4520 |
return -1; |
4521 |
} |
4522 |
pstrcpy(ifname, ifname_size, dev); |
4523 |
fcntl(fd, F_SETFL, O_NONBLOCK); |
4524 |
return fd;
|
4525 |
} |
4526 |
#else
|
4527 |
static int tap_open(char *ifname, int ifname_size) |
4528 |
{ |
4529 |
struct ifreq ifr;
|
4530 |
int fd, ret;
|
4531 |
|
4532 |
TFR(fd = open("/dev/net/tun", O_RDWR));
|
4533 |
if (fd < 0) { |
4534 |
fprintf(stderr, "warning: could not open /dev/net/tun: no virtual network emulation\n");
|
4535 |
return -1; |
4536 |
} |
4537 |
memset(&ifr, 0, sizeof(ifr)); |
4538 |
ifr.ifr_flags = IFF_TAP | IFF_NO_PI; |
4539 |
if (ifname[0] != '\0') |
4540 |
pstrcpy(ifr.ifr_name, IFNAMSIZ, ifname); |
4541 |
else
|
4542 |
pstrcpy(ifr.ifr_name, IFNAMSIZ, "tap%d");
|
4543 |
ret = ioctl(fd, TUNSETIFF, (void *) &ifr);
|
4544 |
if (ret != 0) { |
4545 |
fprintf(stderr, "warning: could not configure /dev/net/tun: no virtual network emulation\n");
|
4546 |
close(fd); |
4547 |
return -1; |
4548 |
} |
4549 |
pstrcpy(ifname, ifname_size, ifr.ifr_name); |
4550 |
fcntl(fd, F_SETFL, O_NONBLOCK); |
4551 |
return fd;
|
4552 |
} |
4553 |
#endif
|
4554 |
|
4555 |
static int launch_script(const char *setup_script, const char *ifname, int fd) |
4556 |
{ |
4557 |
int pid, status;
|
4558 |
char *args[3]; |
4559 |
char **parg;
|
4560 |
|
4561 |
/* try to launch network script */
|
4562 |
pid = fork(); |
4563 |
if (pid >= 0) { |
4564 |
if (pid == 0) { |
4565 |
int open_max = sysconf (_SC_OPEN_MAX), i;
|
4566 |
for (i = 0; i < open_max; i++) |
4567 |
if (i != STDIN_FILENO &&
|
4568 |
i != STDOUT_FILENO && |
4569 |
i != STDERR_FILENO && |
4570 |
i != fd) |
4571 |
close(i); |
4572 |
|
4573 |
parg = args; |
4574 |
*parg++ = (char *)setup_script;
|
4575 |
*parg++ = (char *)ifname;
|
4576 |
*parg++ = NULL;
|
4577 |
execv(setup_script, args); |
4578 |
_exit(1);
|
4579 |
} |
4580 |
while (waitpid(pid, &status, 0) != pid); |
4581 |
if (!WIFEXITED(status) ||
|
4582 |
WEXITSTATUS(status) != 0) {
|
4583 |
fprintf(stderr, "%s: could not launch network script\n",
|
4584 |
setup_script); |
4585 |
return -1; |
4586 |
} |
4587 |
} |
4588 |
return 0; |
4589 |
} |
4590 |
|
4591 |
static int net_tap_init(VLANState *vlan, const char *ifname1, |
4592 |
const char *setup_script, const char *down_script) |
4593 |
{ |
4594 |
TAPState *s; |
4595 |
int fd;
|
4596 |
char ifname[128]; |
4597 |
|
4598 |
if (ifname1 != NULL) |
4599 |
pstrcpy(ifname, sizeof(ifname), ifname1);
|
4600 |
else
|
4601 |
ifname[0] = '\0'; |
4602 |
TFR(fd = tap_open(ifname, sizeof(ifname)));
|
4603 |
if (fd < 0) |
4604 |
return -1; |
4605 |
|
4606 |
if (!setup_script || !strcmp(setup_script, "no")) |
4607 |
setup_script = "";
|
4608 |
if (setup_script[0] != '\0') { |
4609 |
if (launch_script(setup_script, ifname, fd))
|
4610 |
return -1; |
4611 |
} |
4612 |
s = net_tap_fd_init(vlan, fd); |
4613 |
if (!s)
|
4614 |
return -1; |
4615 |
snprintf(s->vc->info_str, sizeof(s->vc->info_str),
|
4616 |
"tap: ifname=%s setup_script=%s", ifname, setup_script);
|
4617 |
if (down_script && strcmp(down_script, "no")) |
4618 |
snprintf(s->down_script, sizeof(s->down_script), "%s", down_script); |
4619 |
return 0; |
4620 |
} |
4621 |
|
4622 |
#endif /* !_WIN32 */ |
4623 |
|
4624 |
#if defined(CONFIG_VDE)
|
4625 |
typedef struct VDEState { |
4626 |
VLANClientState *vc; |
4627 |
VDECONN *vde; |
4628 |
} VDEState; |
4629 |
|
4630 |
static void vde_to_qemu(void *opaque) |
4631 |
{ |
4632 |
VDEState *s = opaque; |
4633 |
uint8_t buf[4096];
|
4634 |
int size;
|
4635 |
|
4636 |
size = vde_recv(s->vde, buf, sizeof(buf), 0); |
4637 |
if (size > 0) { |
4638 |
qemu_send_packet(s->vc, buf, size); |
4639 |
} |
4640 |
} |
4641 |
|
4642 |
static void vde_from_qemu(void *opaque, const uint8_t *buf, int size) |
4643 |
{ |
4644 |
VDEState *s = opaque; |
4645 |
int ret;
|
4646 |
for(;;) {
|
4647 |
ret = vde_send(s->vde, buf, size, 0);
|
4648 |
if (ret < 0 && errno == EINTR) { |
4649 |
} else {
|
4650 |
break;
|
4651 |
} |
4652 |
} |
4653 |
} |
4654 |
|
4655 |
static int net_vde_init(VLANState *vlan, const char *sock, int port, |
4656 |
const char *group, int mode) |
4657 |
{ |
4658 |
VDEState *s; |
4659 |
char *init_group = strlen(group) ? (char *)group : NULL; |
4660 |
char *init_sock = strlen(sock) ? (char *)sock : NULL; |
4661 |
|
4662 |
struct vde_open_args args = {
|
4663 |
.port = port, |
4664 |
.group = init_group, |
4665 |
.mode = mode, |
4666 |
}; |
4667 |
|
4668 |
s = qemu_mallocz(sizeof(VDEState));
|
4669 |
if (!s)
|
4670 |
return -1; |
4671 |
s->vde = vde_open(init_sock, "QEMU", &args);
|
4672 |
if (!s->vde){
|
4673 |
free(s); |
4674 |
return -1; |
4675 |
} |
4676 |
s->vc = qemu_new_vlan_client(vlan, vde_from_qemu, NULL, s);
|
4677 |
qemu_set_fd_handler(vde_datafd(s->vde), vde_to_qemu, NULL, s);
|
4678 |
snprintf(s->vc->info_str, sizeof(s->vc->info_str), "vde: sock=%s fd=%d", |
4679 |
sock, vde_datafd(s->vde)); |
4680 |
return 0; |
4681 |
} |
4682 |
#endif
|
4683 |
|
4684 |
/* network connection */
|
4685 |
typedef struct NetSocketState { |
4686 |
VLANClientState *vc; |
4687 |
int fd;
|
4688 |
int state; /* 0 = getting length, 1 = getting data */ |
4689 |
int index;
|
4690 |
int packet_len;
|
4691 |
uint8_t buf[4096];
|
4692 |
struct sockaddr_in dgram_dst; /* contains inet host and port destination iff connectionless (SOCK_DGRAM) */ |
4693 |
} NetSocketState; |
4694 |
|
4695 |
typedef struct NetSocketListenState { |
4696 |
VLANState *vlan; |
4697 |
int fd;
|
4698 |
} NetSocketListenState; |
4699 |
|
4700 |
/* XXX: we consider we can send the whole packet without blocking */
|
4701 |
static void net_socket_receive(void *opaque, const uint8_t *buf, int size) |
4702 |
{ |
4703 |
NetSocketState *s = opaque; |
4704 |
uint32_t len; |
4705 |
len = htonl(size); |
4706 |
|
4707 |
send_all(s->fd, (const uint8_t *)&len, sizeof(len)); |
4708 |
send_all(s->fd, buf, size); |
4709 |
} |
4710 |
|
4711 |
static void net_socket_receive_dgram(void *opaque, const uint8_t *buf, int size) |
4712 |
{ |
4713 |
NetSocketState *s = opaque; |
4714 |
sendto(s->fd, buf, size, 0,
|
4715 |
(struct sockaddr *)&s->dgram_dst, sizeof(s->dgram_dst)); |
4716 |
} |
4717 |
|
4718 |
static void net_socket_send(void *opaque) |
4719 |
{ |
4720 |
NetSocketState *s = opaque; |
4721 |
int l, size, err;
|
4722 |
uint8_t buf1[4096];
|
4723 |
const uint8_t *buf;
|
4724 |
|
4725 |
size = recv(s->fd, buf1, sizeof(buf1), 0); |
4726 |
if (size < 0) { |
4727 |
err = socket_error(); |
4728 |
if (err != EWOULDBLOCK)
|
4729 |
goto eoc;
|
4730 |
} else if (size == 0) { |
4731 |
/* end of connection */
|
4732 |
eoc:
|
4733 |
qemu_set_fd_handler(s->fd, NULL, NULL, NULL); |
4734 |
closesocket(s->fd); |
4735 |
return;
|
4736 |
} |
4737 |
buf = buf1; |
4738 |
while (size > 0) { |
4739 |
/* reassemble a packet from the network */
|
4740 |
switch(s->state) {
|
4741 |
case 0: |
4742 |
l = 4 - s->index;
|
4743 |
if (l > size)
|
4744 |
l = size; |
4745 |
memcpy(s->buf + s->index, buf, l); |
4746 |
buf += l; |
4747 |
size -= l; |
4748 |
s->index += l; |
4749 |
if (s->index == 4) { |
4750 |
/* got length */
|
4751 |
s->packet_len = ntohl(*(uint32_t *)s->buf); |
4752 |
s->index = 0;
|
4753 |
s->state = 1;
|
4754 |
} |
4755 |
break;
|
4756 |
case 1: |
4757 |
l = s->packet_len - s->index; |
4758 |
if (l > size)
|
4759 |
l = size; |
4760 |
memcpy(s->buf + s->index, buf, l); |
4761 |
s->index += l; |
4762 |
buf += l; |
4763 |
size -= l; |
4764 |
if (s->index >= s->packet_len) {
|
4765 |
qemu_send_packet(s->vc, s->buf, s->packet_len); |
4766 |
s->index = 0;
|
4767 |
s->state = 0;
|
4768 |
} |
4769 |
break;
|
4770 |
} |
4771 |
} |
4772 |
} |
4773 |
|
4774 |
static void net_socket_send_dgram(void *opaque) |
4775 |
{ |
4776 |
NetSocketState *s = opaque; |
4777 |
int size;
|
4778 |
|
4779 |
size = recv(s->fd, s->buf, sizeof(s->buf), 0); |
4780 |
if (size < 0) |
4781 |
return;
|
4782 |
if (size == 0) { |
4783 |
/* end of connection */
|
4784 |
qemu_set_fd_handler(s->fd, NULL, NULL, NULL); |
4785 |
return;
|
4786 |
} |
4787 |
qemu_send_packet(s->vc, s->buf, size); |
4788 |
} |
4789 |
|
4790 |
static int net_socket_mcast_create(struct sockaddr_in *mcastaddr) |
4791 |
{ |
4792 |
struct ip_mreq imr;
|
4793 |
int fd;
|
4794 |
int val, ret;
|
4795 |
if (!IN_MULTICAST(ntohl(mcastaddr->sin_addr.s_addr))) {
|
4796 |
fprintf(stderr, "qemu: error: specified mcastaddr \"%s\" (0x%08x) does not contain a multicast address\n",
|
4797 |
inet_ntoa(mcastaddr->sin_addr), |
4798 |
(int)ntohl(mcastaddr->sin_addr.s_addr));
|
4799 |
return -1; |
4800 |
|
4801 |
} |
4802 |
fd = socket(PF_INET, SOCK_DGRAM, 0);
|
4803 |
if (fd < 0) { |
4804 |
perror("socket(PF_INET, SOCK_DGRAM)");
|
4805 |
return -1; |
4806 |
} |
4807 |
|
4808 |
val = 1;
|
4809 |
ret=setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, |
4810 |
(const char *)&val, sizeof(val)); |
4811 |
if (ret < 0) { |
4812 |
perror("setsockopt(SOL_SOCKET, SO_REUSEADDR)");
|
4813 |
goto fail;
|
4814 |
} |
4815 |
|
4816 |
ret = bind(fd, (struct sockaddr *)mcastaddr, sizeof(*mcastaddr)); |
4817 |
if (ret < 0) { |
4818 |
perror("bind");
|
4819 |
goto fail;
|
4820 |
} |
4821 |
|
4822 |
/* Add host to multicast group */
|
4823 |
imr.imr_multiaddr = mcastaddr->sin_addr; |
4824 |
imr.imr_interface.s_addr = htonl(INADDR_ANY); |
4825 |
|
4826 |
ret = setsockopt(fd, IPPROTO_IP, IP_ADD_MEMBERSHIP, |
4827 |
(const char *)&imr, sizeof(struct ip_mreq)); |
4828 |
if (ret < 0) { |
4829 |
perror("setsockopt(IP_ADD_MEMBERSHIP)");
|
4830 |
goto fail;
|
4831 |
} |
4832 |
|
4833 |
/* Force mcast msgs to loopback (eg. several QEMUs in same host */
|
4834 |
val = 1;
|
4835 |
ret=setsockopt(fd, IPPROTO_IP, IP_MULTICAST_LOOP, |
4836 |
(const char *)&val, sizeof(val)); |
4837 |
if (ret < 0) { |
4838 |
perror("setsockopt(SOL_IP, IP_MULTICAST_LOOP)");
|
4839 |
goto fail;
|
4840 |
} |
4841 |
|
4842 |
socket_set_nonblock(fd); |
4843 |
return fd;
|
4844 |
fail:
|
4845 |
if (fd >= 0) |
4846 |
closesocket(fd); |
4847 |
return -1; |
4848 |
} |
4849 |
|
4850 |
static NetSocketState *net_socket_fd_init_dgram(VLANState *vlan, int fd, |
4851 |
int is_connected)
|
4852 |
{ |
4853 |
struct sockaddr_in saddr;
|
4854 |
int newfd;
|
4855 |
socklen_t saddr_len; |
4856 |
NetSocketState *s; |
4857 |
|
4858 |
/* fd passed: multicast: "learn" dgram_dst address from bound address and save it
|
4859 |
* Because this may be "shared" socket from a "master" process, datagrams would be recv()
|
4860 |
* by ONLY ONE process: we must "clone" this dgram socket --jjo
|
4861 |
*/
|
4862 |
|
4863 |
if (is_connected) {
|
4864 |
if (getsockname(fd, (struct sockaddr *) &saddr, &saddr_len) == 0) { |
4865 |
/* must be bound */
|
4866 |
if (saddr.sin_addr.s_addr==0) { |
4867 |
fprintf(stderr, "qemu: error: init_dgram: fd=%d unbound, cannot setup multicast dst addr\n",
|
4868 |
fd); |
4869 |
return NULL; |
4870 |
} |
4871 |
/* clone dgram socket */
|
4872 |
newfd = net_socket_mcast_create(&saddr); |
4873 |
if (newfd < 0) { |
4874 |
/* error already reported by net_socket_mcast_create() */
|
4875 |
close(fd); |
4876 |
return NULL; |
4877 |
} |
4878 |
/* clone newfd to fd, close newfd */
|
4879 |
dup2(newfd, fd); |
4880 |
close(newfd); |
4881 |
|
4882 |
} else {
|
4883 |
fprintf(stderr, "qemu: error: init_dgram: fd=%d failed getsockname(): %s\n",
|
4884 |
fd, strerror(errno)); |
4885 |
return NULL; |
4886 |
} |
4887 |
} |
4888 |
|
4889 |
s = qemu_mallocz(sizeof(NetSocketState));
|
4890 |
if (!s)
|
4891 |
return NULL; |
4892 |
s->fd = fd; |
4893 |
|
4894 |
s->vc = qemu_new_vlan_client(vlan, net_socket_receive_dgram, NULL, s);
|
4895 |
qemu_set_fd_handler(s->fd, net_socket_send_dgram, NULL, s);
|
4896 |
|
4897 |
/* mcast: save bound address as dst */
|
4898 |
if (is_connected) s->dgram_dst=saddr;
|
4899 |
|
4900 |
snprintf(s->vc->info_str, sizeof(s->vc->info_str),
|
4901 |
"socket: fd=%d (%s mcast=%s:%d)",
|
4902 |
fd, is_connected? "cloned" : "", |
4903 |
inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port)); |
4904 |
return s;
|
4905 |
} |
4906 |
|
4907 |
static void net_socket_connect(void *opaque) |
4908 |
{ |
4909 |
NetSocketState *s = opaque; |
4910 |
qemu_set_fd_handler(s->fd, net_socket_send, NULL, s);
|
4911 |
} |
4912 |
|
4913 |
static NetSocketState *net_socket_fd_init_stream(VLANState *vlan, int fd, |
4914 |
int is_connected)
|
4915 |
{ |
4916 |
NetSocketState *s; |
4917 |
s = qemu_mallocz(sizeof(NetSocketState));
|
4918 |
if (!s)
|
4919 |
return NULL; |
4920 |
s->fd = fd; |
4921 |
s->vc = qemu_new_vlan_client(vlan, |
4922 |
net_socket_receive, NULL, s);
|
4923 |
snprintf(s->vc->info_str, sizeof(s->vc->info_str),
|
4924 |
"socket: fd=%d", fd);
|
4925 |
if (is_connected) {
|
4926 |
net_socket_connect(s); |
4927 |
} else {
|
4928 |
qemu_set_fd_handler(s->fd, NULL, net_socket_connect, s);
|
4929 |
} |
4930 |
return s;
|
4931 |
} |
4932 |
|
4933 |
static NetSocketState *net_socket_fd_init(VLANState *vlan, int fd, |
4934 |
int is_connected)
|
4935 |
{ |
4936 |
int so_type=-1, optlen=sizeof(so_type); |
4937 |
|
4938 |
if(getsockopt(fd, SOL_SOCKET, SO_TYPE, (char *)&so_type, |
4939 |
(socklen_t *)&optlen)< 0) {
|
4940 |
fprintf(stderr, "qemu: error: getsockopt(SO_TYPE) for fd=%d failed\n", fd);
|
4941 |
return NULL; |
4942 |
} |
4943 |
switch(so_type) {
|
4944 |
case SOCK_DGRAM:
|
4945 |
return net_socket_fd_init_dgram(vlan, fd, is_connected);
|
4946 |
case SOCK_STREAM:
|
4947 |
return net_socket_fd_init_stream(vlan, fd, is_connected);
|
4948 |
default:
|
4949 |
/* who knows ... this could be a eg. a pty, do warn and continue as stream */
|
4950 |
fprintf(stderr, "qemu: warning: socket type=%d for fd=%d is not SOCK_DGRAM or SOCK_STREAM\n", so_type, fd);
|
4951 |
return net_socket_fd_init_stream(vlan, fd, is_connected);
|
4952 |
} |
4953 |
return NULL; |
4954 |
} |
4955 |
|
4956 |
static void net_socket_accept(void *opaque) |
4957 |
{ |
4958 |
NetSocketListenState *s = opaque; |
4959 |
NetSocketState *s1; |
4960 |
struct sockaddr_in saddr;
|
4961 |
socklen_t len; |
4962 |
int fd;
|
4963 |
|
4964 |
for(;;) {
|
4965 |
len = sizeof(saddr);
|
4966 |
fd = accept(s->fd, (struct sockaddr *)&saddr, &len);
|
4967 |
if (fd < 0 && errno != EINTR) { |
4968 |
return;
|
4969 |
} else if (fd >= 0) { |
4970 |
break;
|
4971 |
} |
4972 |
} |
4973 |
s1 = net_socket_fd_init(s->vlan, fd, 1);
|
4974 |
if (!s1) {
|
4975 |
closesocket(fd); |
4976 |
} else {
|
4977 |
snprintf(s1->vc->info_str, sizeof(s1->vc->info_str),
|
4978 |
"socket: connection from %s:%d",
|
4979 |
inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port)); |
4980 |
} |
4981 |
} |
4982 |
|
4983 |
static int net_socket_listen_init(VLANState *vlan, const char *host_str) |
4984 |
{ |
4985 |
NetSocketListenState *s; |
4986 |
int fd, val, ret;
|
4987 |
struct sockaddr_in saddr;
|
4988 |
|
4989 |
if (parse_host_port(&saddr, host_str) < 0) |
4990 |
return -1; |
4991 |
|
4992 |
s = qemu_mallocz(sizeof(NetSocketListenState));
|
4993 |
if (!s)
|
4994 |
return -1; |
4995 |
|
4996 |
fd = socket(PF_INET, SOCK_STREAM, 0);
|
4997 |
if (fd < 0) { |
4998 |
perror("socket");
|
4999 |
return -1; |
5000 |
} |
5001 |
socket_set_nonblock(fd); |
5002 |
|
5003 |
/* allow fast reuse */
|
5004 |
val = 1;
|
5005 |
setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, (const char *)&val, sizeof(val)); |
5006 |
|
5007 |
ret = bind(fd, (struct sockaddr *)&saddr, sizeof(saddr)); |
5008 |
if (ret < 0) { |
5009 |
perror("bind");
|
5010 |
return -1; |
5011 |
} |
5012 |
ret = listen(fd, 0);
|
5013 |
if (ret < 0) { |
5014 |
perror("listen");
|
5015 |
return -1; |
5016 |
} |
5017 |
s->vlan = vlan; |
5018 |
s->fd = fd; |
5019 |
qemu_set_fd_handler(fd, net_socket_accept, NULL, s);
|
5020 |
return 0; |
5021 |
} |
5022 |
|
5023 |
static int net_socket_connect_init(VLANState *vlan, const char *host_str) |
5024 |
{ |
5025 |
NetSocketState *s; |
5026 |
int fd, connected, ret, err;
|
5027 |
struct sockaddr_in saddr;
|
5028 |
|
5029 |
if (parse_host_port(&saddr, host_str) < 0) |
5030 |
return -1; |
5031 |
|
5032 |
fd = socket(PF_INET, SOCK_STREAM, 0);
|
5033 |
if (fd < 0) { |
5034 |
perror("socket");
|
5035 |
return -1; |
5036 |
} |
5037 |
socket_set_nonblock(fd); |
5038 |
|
5039 |
connected = 0;
|
5040 |
for(;;) {
|
5041 |
ret = connect(fd, (struct sockaddr *)&saddr, sizeof(saddr)); |
5042 |
if (ret < 0) { |
5043 |
err = socket_error(); |
5044 |
if (err == EINTR || err == EWOULDBLOCK) {
|
5045 |
} else if (err == EINPROGRESS) { |
5046 |
break;
|
5047 |
#ifdef _WIN32
|
5048 |
} else if (err == WSAEALREADY) { |
5049 |
break;
|
5050 |
#endif
|
5051 |
} else {
|
5052 |
perror("connect");
|
5053 |
closesocket(fd); |
5054 |
return -1; |
5055 |
} |
5056 |
} else {
|
5057 |
connected = 1;
|
5058 |
break;
|
5059 |
} |
5060 |
} |
5061 |
s = net_socket_fd_init(vlan, fd, connected); |
5062 |
if (!s)
|
5063 |
return -1; |
5064 |
snprintf(s->vc->info_str, sizeof(s->vc->info_str),
|
5065 |
"socket: connect to %s:%d",
|
5066 |
inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port)); |
5067 |
return 0; |
5068 |
} |
5069 |
|
5070 |
static int net_socket_mcast_init(VLANState *vlan, const char *host_str) |
5071 |
{ |
5072 |
NetSocketState *s; |
5073 |
int fd;
|
5074 |
struct sockaddr_in saddr;
|
5075 |
|
5076 |
if (parse_host_port(&saddr, host_str) < 0) |
5077 |
return -1; |
5078 |
|
5079 |
|
5080 |
fd = net_socket_mcast_create(&saddr); |
5081 |
if (fd < 0) |
5082 |
return -1; |
5083 |
|
5084 |
s = net_socket_fd_init(vlan, fd, 0);
|
5085 |
if (!s)
|
5086 |
return -1; |
5087 |
|
5088 |
s->dgram_dst = saddr; |
5089 |
|
5090 |
snprintf(s->vc->info_str, sizeof(s->vc->info_str),
|
5091 |
"socket: mcast=%s:%d",
|
5092 |
inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port)); |
5093 |
return 0; |
5094 |
|
5095 |
} |
5096 |
|
5097 |
static const char *get_opt_name(char *buf, int buf_size, const char *p) |
5098 |
{ |
5099 |
char *q;
|
5100 |
|
5101 |
q = buf; |
5102 |
while (*p != '\0' && *p != '=') { |
5103 |
if (q && (q - buf) < buf_size - 1) |
5104 |
*q++ = *p; |
5105 |
p++; |
5106 |
} |
5107 |
if (q)
|
5108 |
*q = '\0';
|
5109 |
|
5110 |
return p;
|
5111 |
} |
5112 |
|
5113 |
static const char *get_opt_value(char *buf, int buf_size, const char *p) |
5114 |
{ |
5115 |
char *q;
|
5116 |
|
5117 |
q = buf; |
5118 |
while (*p != '\0') { |
5119 |
if (*p == ',') { |
5120 |
if (*(p + 1) != ',') |
5121 |
break;
|
5122 |
p++; |
5123 |
} |
5124 |
if (q && (q - buf) < buf_size - 1) |
5125 |
*q++ = *p; |
5126 |
p++; |
5127 |
} |
5128 |
if (q)
|
5129 |
*q = '\0';
|
5130 |
|
5131 |
return p;
|
5132 |
} |
5133 |
|
5134 |
static int get_param_value(char *buf, int buf_size, |
5135 |
const char *tag, const char *str) |
5136 |
{ |
5137 |
const char *p; |
5138 |
char option[128]; |
5139 |
|
5140 |
p = str; |
5141 |
for(;;) {
|
5142 |
p = get_opt_name(option, sizeof(option), p);
|
5143 |
if (*p != '=') |
5144 |
break;
|
5145 |
p++; |
5146 |
if (!strcmp(tag, option)) {
|
5147 |
(void)get_opt_value(buf, buf_size, p);
|
5148 |
return strlen(buf);
|
5149 |
} else {
|
5150 |
p = get_opt_value(NULL, 0, p); |
5151 |
} |
5152 |
if (*p != ',') |
5153 |
break;
|
5154 |
p++; |
5155 |
} |
5156 |
return 0; |
5157 |
} |
5158 |
|
5159 |
static int check_params(char *buf, int buf_size, |
5160 |
const char * const *params, const char *str) |
5161 |
{ |
5162 |
const char *p; |
5163 |
int i;
|
5164 |
|
5165 |
p = str; |
5166 |
for(;;) {
|
5167 |
p = get_opt_name(buf, buf_size, p); |
5168 |
if (*p != '=') |
5169 |
return -1; |
5170 |
p++; |
5171 |
for(i = 0; params[i] != NULL; i++) |
5172 |
if (!strcmp(params[i], buf))
|
5173 |
break;
|
5174 |
if (params[i] == NULL) |
5175 |
return -1; |
5176 |
p = get_opt_value(NULL, 0, p); |
5177 |
if (*p != ',') |
5178 |
break;
|
5179 |
p++; |
5180 |
} |
5181 |
return 0; |
5182 |
} |
5183 |
|
5184 |
static int net_client_init(const char *device, const char *p) |
5185 |
{ |
5186 |
char buf[1024]; |
5187 |
int vlan_id, ret;
|
5188 |
VLANState *vlan; |
5189 |
|
5190 |
vlan_id = 0;
|
5191 |
if (get_param_value(buf, sizeof(buf), "vlan", p)) { |
5192 |
vlan_id = strtol(buf, NULL, 0); |
5193 |
} |
5194 |
vlan = qemu_find_vlan(vlan_id); |
5195 |
if (!vlan) {
|
5196 |
fprintf(stderr, "Could not create vlan %d\n", vlan_id);
|
5197 |
return -1; |
5198 |
} |
5199 |
if (!strcmp(device, "nic")) { |
5200 |
NICInfo *nd; |
5201 |
uint8_t *macaddr; |
5202 |
|
5203 |
if (nb_nics >= MAX_NICS) {
|
5204 |
fprintf(stderr, "Too Many NICs\n");
|
5205 |
return -1; |
5206 |
} |
5207 |
nd = &nd_table[nb_nics]; |
5208 |
macaddr = nd->macaddr; |
5209 |
macaddr[0] = 0x52; |
5210 |
macaddr[1] = 0x54; |
5211 |
macaddr[2] = 0x00; |
5212 |
macaddr[3] = 0x12; |
5213 |
macaddr[4] = 0x34; |
5214 |
macaddr[5] = 0x56 + nb_nics; |
5215 |
|
5216 |
if (get_param_value(buf, sizeof(buf), "macaddr", p)) { |
5217 |
if (parse_macaddr(macaddr, buf) < 0) { |
5218 |
fprintf(stderr, "invalid syntax for ethernet address\n");
|
5219 |
return -1; |
5220 |
} |
5221 |
} |
5222 |
if (get_param_value(buf, sizeof(buf), "model", p)) { |
5223 |
nd->model = strdup(buf); |
5224 |
} |
5225 |
nd->vlan = vlan; |
5226 |
nb_nics++; |
5227 |
vlan->nb_guest_devs++; |
5228 |
ret = 0;
|
5229 |
} else
|
5230 |
if (!strcmp(device, "none")) { |
5231 |
/* does nothing. It is needed to signal that no network cards
|
5232 |
are wanted */
|
5233 |
ret = 0;
|
5234 |
} else
|
5235 |
#ifdef CONFIG_SLIRP
|
5236 |
if (!strcmp(device, "user")) { |
5237 |
if (get_param_value(buf, sizeof(buf), "hostname", p)) { |
5238 |
pstrcpy(slirp_hostname, sizeof(slirp_hostname), buf);
|
5239 |
} |
5240 |
vlan->nb_host_devs++; |
5241 |
ret = net_slirp_init(vlan); |
5242 |
} else
|
5243 |
#endif
|
5244 |
#ifdef _WIN32
|
5245 |
if (!strcmp(device, "tap")) { |
5246 |
char ifname[64]; |
5247 |
if (get_param_value(ifname, sizeof(ifname), "ifname", p) <= 0) { |
5248 |
fprintf(stderr, "tap: no interface name\n");
|
5249 |
return -1; |
5250 |
} |
5251 |
vlan->nb_host_devs++; |
5252 |
ret = tap_win32_init(vlan, ifname); |
5253 |
} else
|
5254 |
#else
|
5255 |
if (!strcmp(device, "tap")) { |
5256 |
char ifname[64]; |
5257 |
char setup_script[1024], down_script[1024]; |
5258 |
int fd;
|
5259 |
vlan->nb_host_devs++; |
5260 |
if (get_param_value(buf, sizeof(buf), "fd", p) > 0) { |
5261 |
fd = strtol(buf, NULL, 0); |
5262 |
fcntl(fd, F_SETFL, O_NONBLOCK); |
5263 |
ret = -1;
|
5264 |
if (net_tap_fd_init(vlan, fd))
|
5265 |
ret = 0;
|
5266 |
} else {
|
5267 |
if (get_param_value(ifname, sizeof(ifname), "ifname", p) <= 0) { |
5268 |
ifname[0] = '\0'; |
5269 |
} |
5270 |
if (get_param_value(setup_script, sizeof(setup_script), "script", p) == 0) { |
5271 |
pstrcpy(setup_script, sizeof(setup_script), DEFAULT_NETWORK_SCRIPT);
|
5272 |
} |
5273 |
if (get_param_value(down_script, sizeof(down_script), "downscript", p) == 0) { |
5274 |
pstrcpy(down_script, sizeof(down_script), DEFAULT_NETWORK_DOWN_SCRIPT);
|
5275 |
} |
5276 |
ret = net_tap_init(vlan, ifname, setup_script, down_script); |
5277 |
} |
5278 |
} else
|
5279 |
#endif
|
5280 |
if (!strcmp(device, "socket")) { |
5281 |
if (get_param_value(buf, sizeof(buf), "fd", p) > 0) { |
5282 |
int fd;
|
5283 |
fd = strtol(buf, NULL, 0); |
5284 |
ret = -1;
|
5285 |
if (net_socket_fd_init(vlan, fd, 1)) |
5286 |
ret = 0;
|
5287 |
} else if (get_param_value(buf, sizeof(buf), "listen", p) > 0) { |
5288 |
ret = net_socket_listen_init(vlan, buf); |
5289 |
} else if (get_param_value(buf, sizeof(buf), "connect", p) > 0) { |
5290 |
ret = net_socket_connect_init(vlan, buf); |
5291 |
} else if (get_param_value(buf, sizeof(buf), "mcast", p) > 0) { |
5292 |
ret = net_socket_mcast_init(vlan, buf); |
5293 |
} else {
|
5294 |
fprintf(stderr, "Unknown socket options: %s\n", p);
|
5295 |
return -1; |
5296 |
} |
5297 |
vlan->nb_host_devs++; |
5298 |
} else
|
5299 |
#ifdef CONFIG_VDE
|
5300 |
if (!strcmp(device, "vde")) { |
5301 |
char vde_sock[1024], vde_group[512]; |
5302 |
int vde_port, vde_mode;
|
5303 |
vlan->nb_host_devs++; |
5304 |
if (get_param_value(vde_sock, sizeof(vde_sock), "sock", p) <= 0) { |
5305 |
vde_sock[0] = '\0'; |
5306 |
} |
5307 |
if (get_param_value(buf, sizeof(buf), "port", p) > 0) { |
5308 |
vde_port = strtol(buf, NULL, 10); |
5309 |
} else {
|
5310 |
vde_port = 0;
|
5311 |
} |
5312 |
if (get_param_value(vde_group, sizeof(vde_group), "group", p) <= 0) { |
5313 |
vde_group[0] = '\0'; |
5314 |
} |
5315 |
if (get_param_value(buf, sizeof(buf), "mode", p) > 0) { |
5316 |
vde_mode = strtol(buf, NULL, 8); |
5317 |
} else {
|
5318 |
vde_mode = 0700;
|
5319 |
} |
5320 |
ret = net_vde_init(vlan, vde_sock, vde_port, vde_group, vde_mode); |
5321 |
} else
|
5322 |
#endif
|
5323 |
{ |
5324 |
fprintf(stderr, "Unknown network device: %s\n", device);
|
5325 |
return -1; |
5326 |
} |
5327 |
if (ret < 0) { |
5328 |
fprintf(stderr, "Could not initialize device '%s'\n", device);
|
5329 |
} |
5330 |
|
5331 |
return ret;
|
5332 |
} |
5333 |
|
5334 |
static int net_client_parse(const char *str) |
5335 |
{ |
5336 |
const char *p; |
5337 |
char *q;
|
5338 |
char device[64]; |
5339 |
|
5340 |
p = str; |
5341 |
q = device; |
5342 |
while (*p != '\0' && *p != ',') { |
5343 |
if ((q - device) < sizeof(device) - 1) |
5344 |
*q++ = *p; |
5345 |
p++; |
5346 |
} |
5347 |
*q = '\0';
|
5348 |
if (*p == ',') |
5349 |
p++; |
5350 |
|
5351 |
return net_client_init(device, p);
|
5352 |
} |
5353 |
|
5354 |
void do_info_network(void) |
5355 |
{ |
5356 |
VLANState *vlan; |
5357 |
VLANClientState *vc; |
5358 |
|
5359 |
for(vlan = first_vlan; vlan != NULL; vlan = vlan->next) { |
5360 |
term_printf("VLAN %d devices:\n", vlan->id);
|
5361 |
for(vc = vlan->first_client; vc != NULL; vc = vc->next) |
5362 |
term_printf(" %s\n", vc->info_str);
|
5363 |
} |
5364 |
} |
5365 |
|
5366 |
/***********************************************************/
|
5367 |
/* Bluetooth support */
|
5368 |
static int nb_hcis; |
5369 |
static int cur_hci; |
5370 |
static struct HCIInfo *hci_table[MAX_NICS]; |
5371 |
static struct bt_vlan_s { |
5372 |
struct bt_scatternet_s net;
|
5373 |
int id;
|
5374 |
struct bt_vlan_s *next;
|
5375 |
} *first_bt_vlan; |
5376 |
|
5377 |
/* find or alloc a new bluetooth "VLAN" */
|
5378 |
struct bt_scatternet_s *qemu_find_bt_vlan(int id) |
5379 |
{ |
5380 |
struct bt_vlan_s **pvlan, *vlan;
|
5381 |
for (vlan = first_bt_vlan; vlan != NULL; vlan = vlan->next) { |
5382 |
if (vlan->id == id)
|
5383 |
return &vlan->net;
|
5384 |
} |
5385 |
vlan = qemu_mallocz(sizeof(struct bt_vlan_s)); |
5386 |
vlan->id = id; |
5387 |
pvlan = &first_bt_vlan; |
5388 |
while (*pvlan != NULL) |
5389 |
pvlan = &(*pvlan)->next; |
5390 |
*pvlan = vlan; |
5391 |
return &vlan->net;
|
5392 |
} |
5393 |
|
5394 |
static void null_hci_send(struct HCIInfo *hci, const uint8_t *data, int len) |
5395 |
{ |
5396 |
} |
5397 |
|
5398 |
static int null_hci_addr_set(struct HCIInfo *hci, const uint8_t *bd_addr) |
5399 |
{ |
5400 |
return -ENOTSUP;
|
5401 |
} |
5402 |
|
5403 |
static struct HCIInfo null_hci = { |
5404 |
.cmd_send = null_hci_send, |
5405 |
.sco_send = null_hci_send, |
5406 |
.acl_send = null_hci_send, |
5407 |
.bdaddr_set = null_hci_addr_set, |
5408 |
}; |
5409 |
|
5410 |
struct HCIInfo *qemu_next_hci(void) |
5411 |
{ |
5412 |
if (cur_hci == nb_hcis)
|
5413 |
return &null_hci;
|
5414 |
|
5415 |
return hci_table[cur_hci++];
|
5416 |
} |
5417 |
|
5418 |
/***********************************************************/
|
5419 |
/* QEMU Block devices */
|
5420 |
|
5421 |
#define HD_ALIAS "index=%d,media=disk" |
5422 |
#ifdef TARGET_PPC
|
5423 |
#define CDROM_ALIAS "index=1,media=cdrom" |
5424 |
#else
|
5425 |
#define CDROM_ALIAS "index=2,media=cdrom" |
5426 |
#endif
|
5427 |
#define FD_ALIAS "index=%d,if=floppy" |
5428 |
#define PFLASH_ALIAS "if=pflash" |
5429 |
#define MTD_ALIAS "if=mtd" |
5430 |
#define SD_ALIAS "index=0,if=sd" |
5431 |
|
5432 |
static int drive_add(const char *file, const char *fmt, ...) |
5433 |
{ |
5434 |
va_list ap; |
5435 |
|
5436 |
if (nb_drives_opt >= MAX_DRIVES) {
|
5437 |
fprintf(stderr, "qemu: too many drives\n");
|
5438 |
exit(1);
|
5439 |
} |
5440 |
|
5441 |
drives_opt[nb_drives_opt].file = file; |
5442 |
va_start(ap, fmt); |
5443 |
vsnprintf(drives_opt[nb_drives_opt].opt, |
5444 |
sizeof(drives_opt[0].opt), fmt, ap); |
5445 |
va_end(ap); |
5446 |
|
5447 |
return nb_drives_opt++;
|
5448 |
} |
5449 |
|
5450 |
int drive_get_index(BlockInterfaceType type, int bus, int unit) |
5451 |
{ |
5452 |
int index;
|
5453 |
|
5454 |
/* seek interface, bus and unit */
|
5455 |
|
5456 |
for (index = 0; index < nb_drives; index++) |
5457 |
if (drives_table[index].type == type &&
|
5458 |
drives_table[index].bus == bus && |
5459 |
drives_table[index].unit == unit) |
5460 |
return index;
|
5461 |
|
5462 |
return -1; |
5463 |
} |
5464 |
|
5465 |
int drive_get_max_bus(BlockInterfaceType type)
|
5466 |
{ |
5467 |
int max_bus;
|
5468 |
int index;
|
5469 |
|
5470 |
max_bus = -1;
|
5471 |
for (index = 0; index < nb_drives; index++) { |
5472 |
if(drives_table[index].type == type &&
|
5473 |
drives_table[index].bus > max_bus) |
5474 |
max_bus = drives_table[index].bus; |
5475 |
} |
5476 |
return max_bus;
|
5477 |
} |
5478 |
|
5479 |
static void bdrv_format_print(void *opaque, const char *name) |
5480 |
{ |
5481 |
fprintf(stderr, " %s", name);
|
5482 |
} |
5483 |
|
5484 |
static int drive_init(struct drive_opt *arg, int snapshot, |
5485 |
QEMUMachine *machine) |
5486 |
{ |
5487 |
char buf[128]; |
5488 |
char file[1024]; |
5489 |
char devname[128]; |
5490 |
const char *mediastr = ""; |
5491 |
BlockInterfaceType type; |
5492 |
enum { MEDIA_DISK, MEDIA_CDROM } media;
|
5493 |
int bus_id, unit_id;
|
5494 |
int cyls, heads, secs, translation;
|
5495 |
BlockDriverState *bdrv; |
5496 |
BlockDriver *drv = NULL;
|
5497 |
int max_devs;
|
5498 |
int index;
|
5499 |
int cache;
|
5500 |
int bdrv_flags;
|
5501 |
char *str = arg->opt;
|
5502 |
static const char * const params[] = { "bus", "unit", "if", "index", |
5503 |
"cyls", "heads", "secs", "trans", |
5504 |
"media", "snapshot", "file", |
5505 |
"cache", "format", NULL }; |
5506 |
|
5507 |
if (check_params(buf, sizeof(buf), params, str) < 0) { |
5508 |
fprintf(stderr, "qemu: unknown parameter '%s' in '%s'\n",
|
5509 |
buf, str); |
5510 |
return -1; |
5511 |
} |
5512 |
|
5513 |
file[0] = 0; |
5514 |
cyls = heads = secs = 0;
|
5515 |
bus_id = 0;
|
5516 |
unit_id = -1;
|
5517 |
translation = BIOS_ATA_TRANSLATION_AUTO; |
5518 |
index = -1;
|
5519 |
cache = 1;
|
5520 |
|
5521 |
if (machine->use_scsi) {
|
5522 |
type = IF_SCSI; |
5523 |
max_devs = MAX_SCSI_DEVS; |
5524 |
pstrcpy(devname, sizeof(devname), "scsi"); |
5525 |
} else {
|
5526 |
type = IF_IDE; |
5527 |
max_devs = MAX_IDE_DEVS; |
5528 |
pstrcpy(devname, sizeof(devname), "ide"); |
5529 |
} |
5530 |
media = MEDIA_DISK; |
5531 |
|
5532 |
/* extract parameters */
|
5533 |
|
5534 |
if (get_param_value(buf, sizeof(buf), "bus", str)) { |
5535 |
bus_id = strtol(buf, NULL, 0); |
5536 |
if (bus_id < 0) { |
5537 |
fprintf(stderr, "qemu: '%s' invalid bus id\n", str);
|
5538 |
return -1; |
5539 |
} |
5540 |
} |
5541 |
|
5542 |
if (get_param_value(buf, sizeof(buf), "unit", str)) { |
5543 |
unit_id = strtol(buf, NULL, 0); |
5544 |
if (unit_id < 0) { |
5545 |
fprintf(stderr, "qemu: '%s' invalid unit id\n", str);
|
5546 |
return -1; |
5547 |
} |
5548 |
} |
5549 |
|
5550 |
if (get_param_value(buf, sizeof(buf), "if", str)) { |
5551 |
pstrcpy(devname, sizeof(devname), buf);
|
5552 |
if (!strcmp(buf, "ide")) { |
5553 |
type = IF_IDE; |
5554 |
max_devs = MAX_IDE_DEVS; |
5555 |
} else if (!strcmp(buf, "scsi")) { |
5556 |
type = IF_SCSI; |
5557 |
max_devs = MAX_SCSI_DEVS; |
5558 |
} else if (!strcmp(buf, "floppy")) { |
5559 |
type = IF_FLOPPY; |
5560 |
max_devs = 0;
|
5561 |
} else if (!strcmp(buf, "pflash")) { |
5562 |
type = IF_PFLASH; |
5563 |
max_devs = 0;
|
5564 |
} else if (!strcmp(buf, "mtd")) { |
5565 |
type = IF_MTD; |
5566 |
max_devs = 0;
|
5567 |
} else if (!strcmp(buf, "sd")) { |
5568 |
type = IF_SD; |
5569 |
max_devs = 0;
|
5570 |
} else {
|
5571 |
fprintf(stderr, "qemu: '%s' unsupported bus type '%s'\n", str, buf);
|
5572 |
return -1; |
5573 |
} |
5574 |
} |
5575 |
|
5576 |
if (get_param_value(buf, sizeof(buf), "index", str)) { |
5577 |
index = strtol(buf, NULL, 0); |
5578 |
if (index < 0) { |
5579 |
fprintf(stderr, "qemu: '%s' invalid index\n", str);
|
5580 |
return -1; |
5581 |
} |
5582 |
} |
5583 |
|
5584 |
if (get_param_value(buf, sizeof(buf), "cyls", str)) { |
5585 |
cyls = strtol(buf, NULL, 0); |
5586 |
} |
5587 |
|
5588 |
if (get_param_value(buf, sizeof(buf), "heads", str)) { |
5589 |
heads = strtol(buf, NULL, 0); |
5590 |
} |
5591 |
|
5592 |
if (get_param_value(buf, sizeof(buf), "secs", str)) { |
5593 |
secs = strtol(buf, NULL, 0); |
5594 |
} |
5595 |
|
5596 |
if (cyls || heads || secs) {
|
5597 |
if (cyls < 1 || cyls > 16383) { |
5598 |
fprintf(stderr, "qemu: '%s' invalid physical cyls number\n", str);
|
5599 |
return -1; |
5600 |
} |
5601 |
if (heads < 1 || heads > 16) { |
5602 |
fprintf(stderr, "qemu: '%s' invalid physical heads number\n", str);
|
5603 |
return -1; |
5604 |
} |
5605 |
if (secs < 1 || secs > 63) { |
5606 |
fprintf(stderr, "qemu: '%s' invalid physical secs number\n", str);
|
5607 |
return -1; |
5608 |
} |
5609 |
} |
5610 |
|
5611 |
if (get_param_value(buf, sizeof(buf), "trans", str)) { |
5612 |
if (!cyls) {
|
5613 |
fprintf(stderr, |
5614 |
"qemu: '%s' trans must be used with cyls,heads and secs\n",
|
5615 |
str); |
5616 |
return -1; |
5617 |
} |
5618 |
if (!strcmp(buf, "none")) |
5619 |
translation = BIOS_ATA_TRANSLATION_NONE; |
5620 |
else if (!strcmp(buf, "lba")) |
5621 |
translation = BIOS_ATA_TRANSLATION_LBA; |
5622 |
else if (!strcmp(buf, "auto")) |
5623 |
translation = BIOS_ATA_TRANSLATION_AUTO; |
5624 |
else {
|
5625 |
fprintf(stderr, "qemu: '%s' invalid translation type\n", str);
|
5626 |
return -1; |
5627 |
} |
5628 |
} |
5629 |
|
5630 |
if (get_param_value(buf, sizeof(buf), "media", str)) { |
5631 |
if (!strcmp(buf, "disk")) { |
5632 |
media = MEDIA_DISK; |
5633 |
} else if (!strcmp(buf, "cdrom")) { |
5634 |
if (cyls || secs || heads) {
|
5635 |
fprintf(stderr, |
5636 |
"qemu: '%s' invalid physical CHS format\n", str);
|
5637 |
return -1; |
5638 |
} |
5639 |
media = MEDIA_CDROM; |
5640 |
} else {
|
5641 |
fprintf(stderr, "qemu: '%s' invalid media\n", str);
|
5642 |
return -1; |
5643 |
} |
5644 |
} |
5645 |
|
5646 |
if (get_param_value(buf, sizeof(buf), "snapshot", str)) { |
5647 |
if (!strcmp(buf, "on")) |
5648 |
snapshot = 1;
|
5649 |
else if (!strcmp(buf, "off")) |
5650 |
snapshot = 0;
|
5651 |
else {
|
5652 |
fprintf(stderr, "qemu: '%s' invalid snapshot option\n", str);
|
5653 |
return -1; |
5654 |
} |
5655 |
} |
5656 |
|
5657 |
if (get_param_value(buf, sizeof(buf), "cache", str)) { |
5658 |
if (!strcmp(buf, "off")) |
5659 |
cache = 0;
|
5660 |
else if (!strcmp(buf, "on")) |
5661 |
cache = 1;
|
5662 |
else {
|
5663 |
fprintf(stderr, "qemu: invalid cache option\n");
|
5664 |
return -1; |
5665 |
} |
5666 |
} |
5667 |
|
5668 |
if (get_param_value(buf, sizeof(buf), "format", str)) { |
5669 |
if (strcmp(buf, "?") == 0) { |
5670 |
fprintf(stderr, "qemu: Supported formats:");
|
5671 |
bdrv_iterate_format(bdrv_format_print, NULL);
|
5672 |
fprintf(stderr, "\n");
|
5673 |
return -1; |
5674 |
} |
5675 |
drv = bdrv_find_format(buf); |
5676 |
if (!drv) {
|
5677 |
fprintf(stderr, "qemu: '%s' invalid format\n", buf);
|
5678 |
return -1; |
5679 |
} |
5680 |
} |
5681 |
|
5682 |
if (arg->file == NULL) |
5683 |
get_param_value(file, sizeof(file), "file", str); |
5684 |
else
|
5685 |
pstrcpy(file, sizeof(file), arg->file);
|
5686 |
|
5687 |
/* compute bus and unit according index */
|
5688 |
|
5689 |
if (index != -1) { |
5690 |
if (bus_id != 0 || unit_id != -1) { |
5691 |
fprintf(stderr, |
5692 |
"qemu: '%s' index cannot be used with bus and unit\n", str);
|
5693 |
return -1; |
5694 |
} |
5695 |
if (max_devs == 0) |
5696 |
{ |
5697 |
unit_id = index; |
5698 |
bus_id = 0;
|
5699 |
} else {
|
5700 |
unit_id = index % max_devs; |
5701 |
bus_id = index / max_devs; |
5702 |
} |
5703 |
} |
5704 |
|
5705 |
/* if user doesn't specify a unit_id,
|
5706 |
* try to find the first free
|
5707 |
*/
|
5708 |
|
5709 |
if (unit_id == -1) { |
5710 |
unit_id = 0;
|
5711 |
while (drive_get_index(type, bus_id, unit_id) != -1) { |
5712 |
unit_id++; |
5713 |
if (max_devs && unit_id >= max_devs) {
|
5714 |
unit_id -= max_devs; |
5715 |
bus_id++; |
5716 |
} |
5717 |
} |
5718 |
} |
5719 |
|
5720 |
/* check unit id */
|
5721 |
|
5722 |
if (max_devs && unit_id >= max_devs) {
|
5723 |
fprintf(stderr, "qemu: '%s' unit %d too big (max is %d)\n",
|
5724 |
str, unit_id, max_devs - 1);
|
5725 |
return -1; |
5726 |
} |
5727 |
|
5728 |
/*
|
5729 |
* ignore multiple definitions
|
5730 |
*/
|
5731 |
|
5732 |
if (drive_get_index(type, bus_id, unit_id) != -1) |
5733 |
return 0; |
5734 |
|
5735 |
/* init */
|
5736 |
|
5737 |
if (type == IF_IDE || type == IF_SCSI)
|
5738 |
mediastr = (media == MEDIA_CDROM) ? "-cd" : "-hd"; |
5739 |
if (max_devs)
|
5740 |
snprintf(buf, sizeof(buf), "%s%i%s%i", |
5741 |
devname, bus_id, mediastr, unit_id); |
5742 |
else
|
5743 |
snprintf(buf, sizeof(buf), "%s%s%i", |
5744 |
devname, mediastr, unit_id); |
5745 |
bdrv = bdrv_new(buf); |
5746 |
drives_table[nb_drives].bdrv = bdrv; |
5747 |
drives_table[nb_drives].type = type; |
5748 |
drives_table[nb_drives].bus = bus_id; |
5749 |
drives_table[nb_drives].unit = unit_id; |
5750 |
nb_drives++; |
5751 |
|
5752 |
switch(type) {
|
5753 |
case IF_IDE:
|
5754 |
case IF_SCSI:
|
5755 |
switch(media) {
|
5756 |
case MEDIA_DISK:
|
5757 |
if (cyls != 0) { |
5758 |
bdrv_set_geometry_hint(bdrv, cyls, heads, secs); |
5759 |
bdrv_set_translation_hint(bdrv, translation); |
5760 |
} |
5761 |
break;
|
5762 |
case MEDIA_CDROM:
|
5763 |
bdrv_set_type_hint(bdrv, BDRV_TYPE_CDROM); |
5764 |
break;
|
5765 |
} |
5766 |
break;
|
5767 |
case IF_SD:
|
5768 |
/* FIXME: This isn't really a floppy, but it's a reasonable
|
5769 |
approximation. */
|
5770 |
case IF_FLOPPY:
|
5771 |
bdrv_set_type_hint(bdrv, BDRV_TYPE_FLOPPY); |
5772 |
break;
|
5773 |
case IF_PFLASH:
|
5774 |
case IF_MTD:
|
5775 |
break;
|
5776 |
} |
5777 |
if (!file[0]) |
5778 |
return 0; |
5779 |
bdrv_flags = 0;
|
5780 |
if (snapshot)
|
5781 |
bdrv_flags |= BDRV_O_SNAPSHOT; |
5782 |
if (!cache)
|
5783 |
bdrv_flags |= BDRV_O_DIRECT; |
5784 |
if (bdrv_open2(bdrv, file, bdrv_flags, drv) < 0 || qemu_key_check(bdrv, file)) { |
5785 |
fprintf(stderr, "qemu: could not open disk image %s\n",
|
5786 |
file); |
5787 |
return -1; |
5788 |
} |
5789 |
return 0; |
5790 |
} |
5791 |
|
5792 |
/***********************************************************/
|
5793 |
/* USB devices */
|
5794 |
|
5795 |
static USBPort *used_usb_ports;
|
5796 |
static USBPort *free_usb_ports;
|
5797 |
|
5798 |
/* ??? Maybe change this to register a hub to keep track of the topology. */
|
5799 |
void qemu_register_usb_port(USBPort *port, void *opaque, int index, |
5800 |
usb_attachfn attach) |
5801 |
{ |
5802 |
port->opaque = opaque; |
5803 |
port->index = index; |
5804 |
port->attach = attach; |
5805 |
port->next = free_usb_ports; |
5806 |
free_usb_ports = port; |
5807 |
} |
5808 |
|
5809 |
int usb_device_add_dev(USBDevice *dev)
|
5810 |
{ |
5811 |
USBPort *port; |
5812 |
|
5813 |
/* Find a USB port to add the device to. */
|
5814 |
port = free_usb_ports; |
5815 |
if (!port->next) {
|
5816 |
USBDevice *hub; |
5817 |
|
5818 |
/* Create a new hub and chain it on. */
|
5819 |
free_usb_ports = NULL;
|
5820 |
port->next = used_usb_ports; |
5821 |
used_usb_ports = port; |
5822 |
|
5823 |
hub = usb_hub_init(VM_USB_HUB_SIZE); |
5824 |
usb_attach(port, hub); |
5825 |
port = free_usb_ports; |
5826 |
} |
5827 |
|
5828 |
free_usb_ports = port->next; |
5829 |
port->next = used_usb_ports; |
5830 |
used_usb_ports = port; |
5831 |
usb_attach(port, dev); |
5832 |
return 0; |
5833 |
} |
5834 |
|
5835 |
static int usb_device_add(const char *devname) |
5836 |
{ |
5837 |
const char *p; |
5838 |
USBDevice *dev; |
5839 |
|
5840 |
if (!free_usb_ports)
|
5841 |
return -1; |
5842 |
|
5843 |
if (strstart(devname, "host:", &p)) { |
5844 |
dev = usb_host_device_open(p); |
5845 |
} else if (!strcmp(devname, "mouse")) { |
5846 |
dev = usb_mouse_init(); |
5847 |
} else if (!strcmp(devname, "tablet")) { |
5848 |
dev = usb_tablet_init(); |
5849 |
} else if (!strcmp(devname, "keyboard")) { |
5850 |
dev = usb_keyboard_init(); |
5851 |
} else if (strstart(devname, "disk:", &p)) { |
5852 |
dev = usb_msd_init(p); |
5853 |
} else if (!strcmp(devname, "wacom-tablet")) { |
5854 |
dev = usb_wacom_init(); |
5855 |
} else if (strstart(devname, "serial:", &p)) { |
5856 |
dev = usb_serial_init(p); |
5857 |
#ifdef CONFIG_BRLAPI
|
5858 |
} else if (!strcmp(devname, "braille")) { |
5859 |
dev = usb_baum_init(); |
5860 |
#endif
|
5861 |
} else if (strstart(devname, "net:", &p)) { |
5862 |
int nic = nb_nics;
|
5863 |
|
5864 |
if (net_client_init("nic", p) < 0) |
5865 |
return -1; |
5866 |
nd_table[nic].model = "usb";
|
5867 |
dev = usb_net_init(&nd_table[nic]); |
5868 |
} else {
|
5869 |
return -1; |
5870 |
} |
5871 |
if (!dev)
|
5872 |
return -1; |
5873 |
|
5874 |
return usb_device_add_dev(dev);
|
5875 |
} |
5876 |
|
5877 |
int usb_device_del_addr(int bus_num, int addr) |
5878 |
{ |
5879 |
USBPort *port; |
5880 |
USBPort **lastp; |
5881 |
USBDevice *dev; |
5882 |
|
5883 |
if (!used_usb_ports)
|
5884 |
return -1; |
5885 |
|
5886 |
if (bus_num != 0) |
5887 |
return -1; |
5888 |
|
5889 |
lastp = &used_usb_ports; |
5890 |
port = used_usb_ports; |
5891 |
while (port && port->dev->addr != addr) {
|
5892 |
lastp = &port->next; |
5893 |
port = port->next; |
5894 |
} |
5895 |
|
5896 |
if (!port)
|
5897 |
return -1; |
5898 |
|
5899 |
dev = port->dev; |
5900 |
*lastp = port->next; |
5901 |
usb_attach(port, NULL);
|
5902 |
dev->handle_destroy(dev); |
5903 |
port->next = free_usb_ports; |
5904 |
free_usb_ports = port; |
5905 |
return 0; |
5906 |
} |
5907 |
|
5908 |
static int usb_device_del(const char *devname) |
5909 |
{ |
5910 |
int bus_num, addr;
|
5911 |
const char *p; |
5912 |
|
5913 |
if (strstart(devname, "host:", &p)) |
5914 |
return usb_host_device_close(p);
|
5915 |
|
5916 |
if (!used_usb_ports)
|
5917 |
return -1; |
5918 |
|
5919 |
p = strchr(devname, '.');
|
5920 |
if (!p)
|
5921 |
return -1; |
5922 |
bus_num = strtoul(devname, NULL, 0); |
5923 |
addr = strtoul(p + 1, NULL, 0); |
5924 |
|
5925 |
return usb_device_del_addr(bus_num, addr);
|
5926 |
} |
5927 |
|
5928 |
void do_usb_add(const char *devname) |
5929 |
{ |
5930 |
usb_device_add(devname); |
5931 |
} |
5932 |
|
5933 |
void do_usb_del(const char *devname) |
5934 |
{ |
5935 |
usb_device_del(devname); |
5936 |
} |
5937 |
|
5938 |
void usb_info(void) |
5939 |
{ |
5940 |
USBDevice *dev; |
5941 |
USBPort *port; |
5942 |
const char *speed_str; |
5943 |
|
5944 |
if (!usb_enabled) {
|
5945 |
term_printf("USB support not enabled\n");
|
5946 |
return;
|
5947 |
} |
5948 |
|
5949 |
for (port = used_usb_ports; port; port = port->next) {
|
5950 |
dev = port->dev; |
5951 |
if (!dev)
|
5952 |
continue;
|
5953 |
switch(dev->speed) {
|
5954 |
case USB_SPEED_LOW:
|
5955 |
speed_str = "1.5";
|
5956 |
break;
|
5957 |
case USB_SPEED_FULL:
|
5958 |
speed_str = "12";
|
5959 |
break;
|
5960 |
case USB_SPEED_HIGH:
|
5961 |
speed_str = "480";
|
5962 |
break;
|
5963 |
default:
|
5964 |
speed_str = "?";
|
5965 |
break;
|
5966 |
} |
5967 |
term_printf(" Device %d.%d, Speed %s Mb/s, Product %s\n",
|
5968 |
0, dev->addr, speed_str, dev->devname);
|
5969 |
} |
5970 |
} |
5971 |
|
5972 |
/***********************************************************/
|
5973 |
/* PCMCIA/Cardbus */
|
5974 |
|
5975 |
static struct pcmcia_socket_entry_s { |
5976 |
struct pcmcia_socket_s *socket;
|
5977 |
struct pcmcia_socket_entry_s *next;
|
5978 |
} *pcmcia_sockets = 0;
|
5979 |
|
5980 |
void pcmcia_socket_register(struct pcmcia_socket_s *socket) |
5981 |
{ |
5982 |
struct pcmcia_socket_entry_s *entry;
|
5983 |
|
5984 |
entry = qemu_malloc(sizeof(struct pcmcia_socket_entry_s)); |
5985 |
entry->socket = socket; |
5986 |
entry->next = pcmcia_sockets; |
5987 |
pcmcia_sockets = entry; |
5988 |
} |
5989 |
|
5990 |
void pcmcia_socket_unregister(struct pcmcia_socket_s *socket) |
5991 |
{ |
5992 |
struct pcmcia_socket_entry_s *entry, **ptr;
|
5993 |
|
5994 |
ptr = &pcmcia_sockets; |
5995 |
for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
|
5996 |
if (entry->socket == socket) {
|
5997 |
*ptr = entry->next; |
5998 |
qemu_free(entry); |
5999 |
} |
6000 |
} |
6001 |
|
6002 |
void pcmcia_info(void) |
6003 |
{ |
6004 |
struct pcmcia_socket_entry_s *iter;
|
6005 |
if (!pcmcia_sockets)
|
6006 |
term_printf("No PCMCIA sockets\n");
|
6007 |
|
6008 |
for (iter = pcmcia_sockets; iter; iter = iter->next)
|
6009 |
term_printf("%s: %s\n", iter->socket->slot_string,
|
6010 |
iter->socket->attached ? iter->socket->card_string : |
6011 |
"Empty");
|
6012 |
} |
6013 |
|
6014 |
/***********************************************************/
|
6015 |
/* dumb display */
|
6016 |
|
6017 |
static void dumb_update(DisplayState *ds, int x, int y, int w, int h) |
6018 |
{ |
6019 |
} |
6020 |
|
6021 |
static void dumb_resize(DisplayState *ds, int w, int h) |
6022 |
{ |
6023 |
} |
6024 |
|
6025 |
static void dumb_refresh(DisplayState *ds) |
6026 |
{ |
6027 |
#if defined(CONFIG_SDL)
|
6028 |
vga_hw_update(); |
6029 |
#endif
|
6030 |
} |
6031 |
|
6032 |
static void dumb_display_init(DisplayState *ds) |
6033 |
{ |
6034 |
ds->data = NULL;
|
6035 |
ds->linesize = 0;
|
6036 |
ds->depth = 0;
|
6037 |
ds->dpy_update = dumb_update; |
6038 |
ds->dpy_resize = dumb_resize; |
6039 |
ds->dpy_refresh = dumb_refresh; |
6040 |
ds->gui_timer_interval = 500;
|
6041 |
ds->idle = 1;
|
6042 |
} |
6043 |
|
6044 |
/***********************************************************/
|
6045 |
/* I/O handling */
|
6046 |
|
6047 |
#define MAX_IO_HANDLERS 64 |
6048 |
|
6049 |
typedef struct IOHandlerRecord { |
6050 |
int fd;
|
6051 |
IOCanRWHandler *fd_read_poll; |
6052 |
IOHandler *fd_read; |
6053 |
IOHandler *fd_write; |
6054 |
int deleted;
|
6055 |
void *opaque;
|
6056 |
/* temporary data */
|
6057 |
struct pollfd *ufd;
|
6058 |
struct IOHandlerRecord *next;
|
6059 |
} IOHandlerRecord; |
6060 |
|
6061 |
static IOHandlerRecord *first_io_handler;
|
6062 |
|
6063 |
/* XXX: fd_read_poll should be suppressed, but an API change is
|
6064 |
necessary in the character devices to suppress fd_can_read(). */
|
6065 |
int qemu_set_fd_handler2(int fd, |
6066 |
IOCanRWHandler *fd_read_poll, |
6067 |
IOHandler *fd_read, |
6068 |
IOHandler *fd_write, |
6069 |
void *opaque)
|
6070 |
{ |
6071 |
IOHandlerRecord **pioh, *ioh; |
6072 |
|
6073 |
if (!fd_read && !fd_write) {
|
6074 |
pioh = &first_io_handler; |
6075 |
for(;;) {
|
6076 |
ioh = *pioh; |
6077 |
if (ioh == NULL) |
6078 |
break;
|
6079 |
if (ioh->fd == fd) {
|
6080 |
ioh->deleted = 1;
|
6081 |
break;
|
6082 |
} |
6083 |
pioh = &ioh->next; |
6084 |
} |
6085 |
} else {
|
6086 |
for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) { |
6087 |
if (ioh->fd == fd)
|
6088 |
goto found;
|
6089 |
} |
6090 |
ioh = qemu_mallocz(sizeof(IOHandlerRecord));
|
6091 |
if (!ioh)
|
6092 |
return -1; |
6093 |
ioh->next = first_io_handler; |
6094 |
first_io_handler = ioh; |
6095 |
found:
|
6096 |
ioh->fd = fd; |
6097 |
ioh->fd_read_poll = fd_read_poll; |
6098 |
ioh->fd_read = fd_read; |
6099 |
ioh->fd_write = fd_write; |
6100 |
ioh->opaque = opaque; |
6101 |
ioh->deleted = 0;
|
6102 |
} |
6103 |
return 0; |
6104 |
} |
6105 |
|
6106 |
int qemu_set_fd_handler(int fd, |
6107 |
IOHandler *fd_read, |
6108 |
IOHandler *fd_write, |
6109 |
void *opaque)
|
6110 |
{ |
6111 |
return qemu_set_fd_handler2(fd, NULL, fd_read, fd_write, opaque); |
6112 |
} |
6113 |
|
6114 |
/***********************************************************/
|
6115 |
/* Polling handling */
|
6116 |
|
6117 |
typedef struct PollingEntry { |
6118 |
PollingFunc *func; |
6119 |
void *opaque;
|
6120 |
struct PollingEntry *next;
|
6121 |
} PollingEntry; |
6122 |
|
6123 |
static PollingEntry *first_polling_entry;
|
6124 |
|
6125 |
int qemu_add_polling_cb(PollingFunc *func, void *opaque) |
6126 |
{ |
6127 |
PollingEntry **ppe, *pe; |
6128 |
pe = qemu_mallocz(sizeof(PollingEntry));
|
6129 |
if (!pe)
|
6130 |
return -1; |
6131 |
pe->func = func; |
6132 |
pe->opaque = opaque; |
6133 |
for(ppe = &first_polling_entry; *ppe != NULL; ppe = &(*ppe)->next); |
6134 |
*ppe = pe; |
6135 |
return 0; |
6136 |
} |
6137 |
|
6138 |
void qemu_del_polling_cb(PollingFunc *func, void *opaque) |
6139 |
{ |
6140 |
PollingEntry **ppe, *pe; |
6141 |
for(ppe = &first_polling_entry; *ppe != NULL; ppe = &(*ppe)->next) { |
6142 |
pe = *ppe; |
6143 |
if (pe->func == func && pe->opaque == opaque) {
|
6144 |
*ppe = pe->next; |
6145 |
qemu_free(pe); |
6146 |
break;
|
6147 |
} |
6148 |
} |
6149 |
} |
6150 |
|
6151 |
#ifdef _WIN32
|
6152 |
/***********************************************************/
|
6153 |
/* Wait objects support */
|
6154 |
typedef struct WaitObjects { |
6155 |
int num;
|
6156 |
HANDLE events[MAXIMUM_WAIT_OBJECTS + 1];
|
6157 |
WaitObjectFunc *func[MAXIMUM_WAIT_OBJECTS + 1];
|
6158 |
void *opaque[MAXIMUM_WAIT_OBJECTS + 1]; |
6159 |
} WaitObjects; |
6160 |
|
6161 |
static WaitObjects wait_objects = {0}; |
6162 |
|
6163 |
int qemu_add_wait_object(HANDLE handle, WaitObjectFunc *func, void *opaque) |
6164 |
{ |
6165 |
WaitObjects *w = &wait_objects; |
6166 |
|
6167 |
if (w->num >= MAXIMUM_WAIT_OBJECTS)
|
6168 |
return -1; |
6169 |
w->events[w->num] = handle; |
6170 |
w->func[w->num] = func; |
6171 |
w->opaque[w->num] = opaque; |
6172 |
w->num++; |
6173 |
return 0; |
6174 |
} |
6175 |
|
6176 |
void qemu_del_wait_object(HANDLE handle, WaitObjectFunc *func, void *opaque) |
6177 |
{ |
6178 |
int i, found;
|
6179 |
WaitObjects *w = &wait_objects; |
6180 |
|
6181 |
found = 0;
|
6182 |
for (i = 0; i < w->num; i++) { |
6183 |
if (w->events[i] == handle)
|
6184 |
found = 1;
|
6185 |
if (found) {
|
6186 |
w->events[i] = w->events[i + 1];
|
6187 |
w->func[i] = w->func[i + 1];
|
6188 |
w->opaque[i] = w->opaque[i + 1];
|
6189 |
} |
6190 |
} |
6191 |
if (found)
|
6192 |
w->num--; |
6193 |
} |
6194 |
#endif
|
6195 |
|
6196 |
/***********************************************************/
|
6197 |
/* savevm/loadvm support */
|
6198 |
|
6199 |
#define IO_BUF_SIZE 32768 |
6200 |
|
6201 |
struct QEMUFile {
|
6202 |
QEMUFilePutBufferFunc *put_buffer; |
6203 |
QEMUFileGetBufferFunc *get_buffer; |
6204 |
QEMUFileCloseFunc *close; |
6205 |
QEMUFileRateLimit *rate_limit; |
6206 |
void *opaque;
|
6207 |
|
6208 |
int64_t buf_offset; /* start of buffer when writing, end of buffer
|
6209 |
when reading */
|
6210 |
int buf_index;
|
6211 |
int buf_size; /* 0 when writing */ |
6212 |
uint8_t buf[IO_BUF_SIZE]; |
6213 |
}; |
6214 |
|
6215 |
typedef struct QEMUFileFD |
6216 |
{ |
6217 |
int fd;
|
6218 |
QEMUFile *file; |
6219 |
} QEMUFileFD; |
6220 |
|
6221 |
static void fd_put_notify(void *opaque) |
6222 |
{ |
6223 |
QEMUFileFD *s = opaque; |
6224 |
|
6225 |
/* Remove writable callback and do a put notify */
|
6226 |
qemu_set_fd_handler2(s->fd, NULL, NULL, NULL, NULL); |
6227 |
qemu_file_put_notify(s->file); |
6228 |
} |
6229 |
|
6230 |
static int fd_put_buffer(void *opaque, const uint8_t *buf, |
6231 |
int64_t pos, int size)
|
6232 |
{ |
6233 |
QEMUFileFD *s = opaque; |
6234 |
ssize_t len; |
6235 |
|
6236 |
do {
|
6237 |
len = write(s->fd, buf, size); |
6238 |
} while (len == -1 && errno == EINTR); |
6239 |
|
6240 |
if (len == -1) |
6241 |
len = -errno; |
6242 |
|
6243 |
/* When the fd becomes writable again, register a callback to do
|
6244 |
* a put notify */
|
6245 |
if (len == -EAGAIN)
|
6246 |
qemu_set_fd_handler2(s->fd, NULL, NULL, fd_put_notify, s); |
6247 |
|
6248 |
return len;
|
6249 |
} |
6250 |
|
6251 |
static int fd_get_buffer(void *opaque, uint8_t *buf, int64_t pos, int size) |
6252 |
{ |
6253 |
QEMUFileFD *s = opaque; |
6254 |
ssize_t len; |
6255 |
|
6256 |
do {
|
6257 |
len = read(s->fd, buf, size); |
6258 |
} while (len == -1 && errno == EINTR); |
6259 |
|
6260 |
if (len == -1) |
6261 |
len = -errno; |
6262 |
|
6263 |
return len;
|
6264 |
} |
6265 |
|
6266 |
static int fd_close(void *opaque) |
6267 |
{ |
6268 |
QEMUFileFD *s = opaque; |
6269 |
qemu_free(s); |
6270 |
return 0; |
6271 |
} |
6272 |
|
6273 |
QEMUFile *qemu_fopen_fd(int fd)
|
6274 |
{ |
6275 |
QEMUFileFD *s = qemu_mallocz(sizeof(QEMUFileFD));
|
6276 |
|
6277 |
if (s == NULL) |
6278 |
return NULL; |
6279 |
|
6280 |
s->fd = fd; |
6281 |
s->file = qemu_fopen_ops(s, fd_put_buffer, fd_get_buffer, fd_close, NULL);
|
6282 |
return s->file;
|
6283 |
} |
6284 |
|
6285 |
typedef struct QEMUFileStdio |
6286 |
{ |
6287 |
FILE *outfile; |
6288 |
} QEMUFileStdio; |
6289 |
|
6290 |
static void file_put_buffer(void *opaque, const uint8_t *buf, |
6291 |
int64_t pos, int size)
|
6292 |
{ |
6293 |
QEMUFileStdio *s = opaque; |
6294 |
fseek(s->outfile, pos, SEEK_SET); |
6295 |
fwrite(buf, 1, size, s->outfile);
|
6296 |
} |
6297 |
|
6298 |
static int file_get_buffer(void *opaque, uint8_t *buf, int64_t pos, int size) |
6299 |
{ |
6300 |
QEMUFileStdio *s = opaque; |
6301 |
fseek(s->outfile, pos, SEEK_SET); |
6302 |
return fread(buf, 1, size, s->outfile); |
6303 |
} |
6304 |
|
6305 |
static int file_close(void *opaque) |
6306 |
{ |
6307 |
QEMUFileStdio *s = opaque; |
6308 |
fclose(s->outfile); |
6309 |
qemu_free(s); |
6310 |
return 0; |
6311 |
} |
6312 |
|
6313 |
QEMUFile *qemu_fopen(const char *filename, const char *mode) |
6314 |
{ |
6315 |
QEMUFileStdio *s; |
6316 |
|
6317 |
s = qemu_mallocz(sizeof(QEMUFileStdio));
|
6318 |
if (!s)
|
6319 |
return NULL; |
6320 |
|
6321 |
s->outfile = fopen(filename, mode); |
6322 |
if (!s->outfile)
|
6323 |
goto fail;
|
6324 |
|
6325 |
if (!strcmp(mode, "wb")) |
6326 |
return qemu_fopen_ops(s, file_put_buffer, NULL, file_close, NULL); |
6327 |
else if (!strcmp(mode, "rb")) |
6328 |
return qemu_fopen_ops(s, NULL, file_get_buffer, file_close, NULL); |
6329 |
|
6330 |
fail:
|
6331 |
if (s->outfile)
|
6332 |
fclose(s->outfile); |
6333 |
qemu_free(s); |
6334 |
return NULL; |
6335 |
} |
6336 |
|
6337 |
typedef struct QEMUFileBdrv |
6338 |
{ |
6339 |
BlockDriverState *bs; |
6340 |
int64_t base_offset; |
6341 |
} QEMUFileBdrv; |
6342 |
|
6343 |
static void bdrv_put_buffer(void *opaque, const uint8_t *buf, |
6344 |
int64_t pos, int size)
|
6345 |
{ |
6346 |
QEMUFileBdrv *s = opaque; |
6347 |
bdrv_pwrite(s->bs, s->base_offset + pos, buf, size); |
6348 |
} |
6349 |
|
6350 |
static int bdrv_get_buffer(void *opaque, uint8_t *buf, int64_t pos, int size) |
6351 |
{ |
6352 |
QEMUFileBdrv *s = opaque; |
6353 |
return bdrv_pread(s->bs, s->base_offset + pos, buf, size);
|
6354 |
} |
6355 |
|
6356 |
static int bdrv_fclose(void *opaque) |
6357 |
{ |
6358 |
QEMUFileBdrv *s = opaque; |
6359 |
qemu_free(s); |
6360 |
return 0; |
6361 |
} |
6362 |
|
6363 |
QEMUFile *qemu_fopen_bdrv(BlockDriverState *bs, int64_t offset, int is_writable)
|
6364 |
{ |
6365 |
QEMUFileBdrv *s; |
6366 |
|
6367 |
s = qemu_mallocz(sizeof(QEMUFileBdrv));
|
6368 |
if (!s)
|
6369 |
return NULL; |
6370 |
|
6371 |
s->bs = bs; |
6372 |
s->base_offset = offset; |
6373 |
|
6374 |
if (is_writable)
|
6375 |
return qemu_fopen_ops(s, bdrv_put_buffer, NULL, bdrv_fclose, NULL); |
6376 |
|
6377 |
return qemu_fopen_ops(s, NULL, bdrv_get_buffer, bdrv_fclose, NULL); |
6378 |
} |
6379 |
|
6380 |
QEMUFile *qemu_fopen_ops(void *opaque, QEMUFilePutBufferFunc *put_buffer,
|
6381 |
QEMUFileGetBufferFunc *get_buffer, |
6382 |
QEMUFileCloseFunc *close, |
6383 |
QEMUFileRateLimit *rate_limit) |
6384 |
{ |
6385 |
QEMUFile *f; |
6386 |
|
6387 |
f = qemu_mallocz(sizeof(QEMUFile));
|
6388 |
if (!f)
|
6389 |
return NULL; |
6390 |
|
6391 |
f->opaque = opaque; |
6392 |
f->put_buffer = put_buffer; |
6393 |
f->get_buffer = get_buffer; |
6394 |
f->close = close; |
6395 |
f->rate_limit = rate_limit; |
6396 |
|
6397 |
return f;
|
6398 |
} |
6399 |
|
6400 |
void qemu_fflush(QEMUFile *f)
|
6401 |
{ |
6402 |
if (!f->put_buffer)
|
6403 |
return;
|
6404 |
|
6405 |
if (f->buf_index > 0) { |
6406 |
f->put_buffer(f->opaque, f->buf, f->buf_offset, f->buf_index); |
6407 |
f->buf_offset += f->buf_index; |
6408 |
f->buf_index = 0;
|
6409 |
} |
6410 |
} |
6411 |
|
6412 |
static void qemu_fill_buffer(QEMUFile *f) |
6413 |
{ |
6414 |
int len;
|
6415 |
|
6416 |
if (!f->get_buffer)
|
6417 |
return;
|
6418 |
|
6419 |
len = f->get_buffer(f->opaque, f->buf, f->buf_offset, IO_BUF_SIZE); |
6420 |
if (len < 0) |
6421 |
len = 0;
|
6422 |
|
6423 |
f->buf_index = 0;
|
6424 |
f->buf_size = len; |
6425 |
f->buf_offset += len; |
6426 |
} |
6427 |
|
6428 |
int qemu_fclose(QEMUFile *f)
|
6429 |
{ |
6430 |
int ret = 0; |
6431 |
qemu_fflush(f); |
6432 |
if (f->close)
|
6433 |
ret = f->close(f->opaque); |
6434 |
qemu_free(f); |
6435 |
return ret;
|
6436 |
} |
6437 |
|
6438 |
void qemu_file_put_notify(QEMUFile *f)
|
6439 |
{ |
6440 |
f->put_buffer(f->opaque, NULL, 0, 0); |
6441 |
} |
6442 |
|
6443 |
void qemu_put_buffer(QEMUFile *f, const uint8_t *buf, int size) |
6444 |
{ |
6445 |
int l;
|
6446 |
while (size > 0) { |
6447 |
l = IO_BUF_SIZE - f->buf_index; |
6448 |
if (l > size)
|
6449 |
l = size; |
6450 |
memcpy(f->buf + f->buf_index, buf, l); |
6451 |
f->buf_index += l; |
6452 |
buf += l; |
6453 |
size -= l; |
6454 |
if (f->buf_index >= IO_BUF_SIZE)
|
6455 |
qemu_fflush(f); |
6456 |
} |
6457 |
} |
6458 |
|
6459 |
void qemu_put_byte(QEMUFile *f, int v) |
6460 |
{ |
6461 |
f->buf[f->buf_index++] = v; |
6462 |
if (f->buf_index >= IO_BUF_SIZE)
|
6463 |
qemu_fflush(f); |
6464 |
} |
6465 |
|
6466 |
int qemu_get_buffer(QEMUFile *f, uint8_t *buf, int size1) |
6467 |
{ |
6468 |
int size, l;
|
6469 |
|
6470 |
size = size1; |
6471 |
while (size > 0) { |
6472 |
l = f->buf_size - f->buf_index; |
6473 |
if (l == 0) { |
6474 |
qemu_fill_buffer(f); |
6475 |
l = f->buf_size - f->buf_index; |
6476 |
if (l == 0) |
6477 |
break;
|
6478 |
} |
6479 |
if (l > size)
|
6480 |
l = size; |
6481 |
memcpy(buf, f->buf + f->buf_index, l); |
6482 |
f->buf_index += l; |
6483 |
buf += l; |
6484 |
size -= l; |
6485 |
} |
6486 |
return size1 - size;
|
6487 |
} |
6488 |
|
6489 |
int qemu_get_byte(QEMUFile *f)
|
6490 |
{ |
6491 |
if (f->buf_index >= f->buf_size) {
|
6492 |
qemu_fill_buffer(f); |
6493 |
if (f->buf_index >= f->buf_size)
|
6494 |
return 0; |
6495 |
} |
6496 |
return f->buf[f->buf_index++];
|
6497 |
} |
6498 |
|
6499 |
int64_t qemu_ftell(QEMUFile *f) |
6500 |
{ |
6501 |
return f->buf_offset - f->buf_size + f->buf_index;
|
6502 |
} |
6503 |
|
6504 |
int64_t qemu_fseek(QEMUFile *f, int64_t pos, int whence)
|
6505 |
{ |
6506 |
if (whence == SEEK_SET) {
|
6507 |
/* nothing to do */
|
6508 |
} else if (whence == SEEK_CUR) { |
6509 |
pos += qemu_ftell(f); |
6510 |
} else {
|
6511 |
/* SEEK_END not supported */
|
6512 |
return -1; |
6513 |
} |
6514 |
if (f->put_buffer) {
|
6515 |
qemu_fflush(f); |
6516 |
f->buf_offset = pos; |
6517 |
} else {
|
6518 |
f->buf_offset = pos; |
6519 |
f->buf_index = 0;
|
6520 |
f->buf_size = 0;
|
6521 |
} |
6522 |
return pos;
|
6523 |
} |
6524 |
|
6525 |
int qemu_file_rate_limit(QEMUFile *f)
|
6526 |
{ |
6527 |
if (f->rate_limit)
|
6528 |
return f->rate_limit(f->opaque);
|
6529 |
|
6530 |
return 0; |
6531 |
} |
6532 |
|
6533 |
void qemu_put_be16(QEMUFile *f, unsigned int v) |
6534 |
{ |
6535 |
qemu_put_byte(f, v >> 8);
|
6536 |
qemu_put_byte(f, v); |
6537 |
} |
6538 |
|
6539 |
void qemu_put_be32(QEMUFile *f, unsigned int v) |
6540 |
{ |
6541 |
qemu_put_byte(f, v >> 24);
|
6542 |
qemu_put_byte(f, v >> 16);
|
6543 |
qemu_put_byte(f, v >> 8);
|
6544 |
qemu_put_byte(f, v); |
6545 |
} |
6546 |
|
6547 |
void qemu_put_be64(QEMUFile *f, uint64_t v)
|
6548 |
{ |
6549 |
qemu_put_be32(f, v >> 32);
|
6550 |
qemu_put_be32(f, v); |
6551 |
} |
6552 |
|
6553 |
unsigned int qemu_get_be16(QEMUFile *f) |
6554 |
{ |
6555 |
unsigned int v; |
6556 |
v = qemu_get_byte(f) << 8;
|
6557 |
v |= qemu_get_byte(f); |
6558 |
return v;
|
6559 |
} |
6560 |
|
6561 |
unsigned int qemu_get_be32(QEMUFile *f) |
6562 |
{ |
6563 |
unsigned int v; |
6564 |
v = qemu_get_byte(f) << 24;
|
6565 |
v |= qemu_get_byte(f) << 16;
|
6566 |
v |= qemu_get_byte(f) << 8;
|
6567 |
v |= qemu_get_byte(f); |
6568 |
return v;
|
6569 |
} |
6570 |
|
6571 |
uint64_t qemu_get_be64(QEMUFile *f) |
6572 |
{ |
6573 |
uint64_t v; |
6574 |
v = (uint64_t)qemu_get_be32(f) << 32;
|
6575 |
v |= qemu_get_be32(f); |
6576 |
return v;
|
6577 |
} |
6578 |
|
6579 |
typedef struct SaveStateEntry { |
6580 |
char idstr[256]; |
6581 |
int instance_id;
|
6582 |
int version_id;
|
6583 |
SaveStateHandler *save_state; |
6584 |
LoadStateHandler *load_state; |
6585 |
void *opaque;
|
6586 |
struct SaveStateEntry *next;
|
6587 |
} SaveStateEntry; |
6588 |
|
6589 |
static SaveStateEntry *first_se;
|
6590 |
|
6591 |
/* TODO: Individual devices generally have very little idea about the rest
|
6592 |
of the system, so instance_id should be removed/replaced.
|
6593 |
Meanwhile pass -1 as instance_id if you do not already have a clearly
|
6594 |
distinguishing id for all instances of your device class. */
|
6595 |
int register_savevm(const char *idstr, |
6596 |
int instance_id,
|
6597 |
int version_id,
|
6598 |
SaveStateHandler *save_state, |
6599 |
LoadStateHandler *load_state, |
6600 |
void *opaque)
|
6601 |
{ |
6602 |
SaveStateEntry *se, **pse; |
6603 |
|
6604 |
se = qemu_malloc(sizeof(SaveStateEntry));
|
6605 |
if (!se)
|
6606 |
return -1; |
6607 |
pstrcpy(se->idstr, sizeof(se->idstr), idstr);
|
6608 |
se->instance_id = (instance_id == -1) ? 0 : instance_id; |
6609 |
se->version_id = version_id; |
6610 |
se->save_state = save_state; |
6611 |
se->load_state = load_state; |
6612 |
se->opaque = opaque; |
6613 |
se->next = NULL;
|
6614 |
|
6615 |
/* add at the end of list */
|
6616 |
pse = &first_se; |
6617 |
while (*pse != NULL) { |
6618 |
if (instance_id == -1 |
6619 |
&& strcmp(se->idstr, (*pse)->idstr) == 0
|
6620 |
&& se->instance_id <= (*pse)->instance_id) |
6621 |
se->instance_id = (*pse)->instance_id + 1;
|
6622 |
pse = &(*pse)->next; |
6623 |
} |
6624 |
*pse = se; |
6625 |
return 0; |
6626 |
} |
6627 |
|
6628 |
#define QEMU_VM_FILE_MAGIC 0x5145564d |
6629 |
#define QEMU_VM_FILE_VERSION 0x00000002 |
6630 |
|
6631 |
static int qemu_savevm_state(QEMUFile *f) |
6632 |
{ |
6633 |
SaveStateEntry *se; |
6634 |
int len, ret;
|
6635 |
int64_t cur_pos, len_pos, total_len_pos; |
6636 |
|
6637 |
qemu_put_be32(f, QEMU_VM_FILE_MAGIC); |
6638 |
qemu_put_be32(f, QEMU_VM_FILE_VERSION); |
6639 |
total_len_pos = qemu_ftell(f); |
6640 |
qemu_put_be64(f, 0); /* total size */ |
6641 |
|
6642 |
for(se = first_se; se != NULL; se = se->next) { |
6643 |
if (se->save_state == NULL) |
6644 |
/* this one has a loader only, for backwards compatibility */
|
6645 |
continue;
|
6646 |
|
6647 |
/* ID string */
|
6648 |
len = strlen(se->idstr); |
6649 |
qemu_put_byte(f, len); |
6650 |
qemu_put_buffer(f, (uint8_t *)se->idstr, len); |
6651 |
|
6652 |
qemu_put_be32(f, se->instance_id); |
6653 |
qemu_put_be32(f, se->version_id); |
6654 |
|
6655 |
/* record size: filled later */
|
6656 |
len_pos = qemu_ftell(f); |
6657 |
qemu_put_be32(f, 0);
|
6658 |
se->save_state(f, se->opaque); |
6659 |
|
6660 |
/* fill record size */
|
6661 |
cur_pos = qemu_ftell(f); |
6662 |
len = cur_pos - len_pos - 4;
|
6663 |
qemu_fseek(f, len_pos, SEEK_SET); |
6664 |
qemu_put_be32(f, len); |
6665 |
qemu_fseek(f, cur_pos, SEEK_SET); |
6666 |
} |
6667 |
cur_pos = qemu_ftell(f); |
6668 |
qemu_fseek(f, total_len_pos, SEEK_SET); |
6669 |
qemu_put_be64(f, cur_pos - total_len_pos - 8);
|
6670 |
qemu_fseek(f, cur_pos, SEEK_SET); |
6671 |
|
6672 |
ret = 0;
|
6673 |
return ret;
|
6674 |
} |
6675 |
|
6676 |
static SaveStateEntry *find_se(const char *idstr, int instance_id) |
6677 |
{ |
6678 |
SaveStateEntry *se; |
6679 |
|
6680 |
for(se = first_se; se != NULL; se = se->next) { |
6681 |
if (!strcmp(se->idstr, idstr) &&
|
6682 |
instance_id == se->instance_id) |
6683 |
return se;
|
6684 |
} |
6685 |
return NULL; |
6686 |
} |
6687 |
|
6688 |
static int qemu_loadvm_state(QEMUFile *f) |
6689 |
{ |
6690 |
SaveStateEntry *se; |
6691 |
int len, ret, instance_id, record_len, version_id;
|
6692 |
int64_t total_len, end_pos, cur_pos; |
6693 |
unsigned int v; |
6694 |
char idstr[256]; |
6695 |
|
6696 |
v = qemu_get_be32(f); |
6697 |
if (v != QEMU_VM_FILE_MAGIC)
|
6698 |
goto fail;
|
6699 |
v = qemu_get_be32(f); |
6700 |
if (v != QEMU_VM_FILE_VERSION) {
|
6701 |
fail:
|
6702 |
ret = -1;
|
6703 |
goto the_end;
|
6704 |
} |
6705 |
total_len = qemu_get_be64(f); |
6706 |
end_pos = total_len + qemu_ftell(f); |
6707 |
for(;;) {
|
6708 |
if (qemu_ftell(f) >= end_pos)
|
6709 |
break;
|
6710 |
len = qemu_get_byte(f); |
6711 |
qemu_get_buffer(f, (uint8_t *)idstr, len); |
6712 |
idstr[len] = '\0';
|
6713 |
instance_id = qemu_get_be32(f); |
6714 |
version_id = qemu_get_be32(f); |
6715 |
record_len = qemu_get_be32(f); |
6716 |
#if 0
|
6717 |
printf("idstr=%s instance=0x%x version=%d len=%d\n",
|
6718 |
idstr, instance_id, version_id, record_len);
|
6719 |
#endif
|
6720 |
cur_pos = qemu_ftell(f); |
6721 |
se = find_se(idstr, instance_id); |
6722 |
if (!se) {
|
6723 |
fprintf(stderr, "qemu: warning: instance 0x%x of device '%s' not present in current VM\n",
|
6724 |
instance_id, idstr); |
6725 |
} else {
|
6726 |
ret = se->load_state(f, se->opaque, version_id); |
6727 |
if (ret < 0) { |
6728 |
fprintf(stderr, "qemu: warning: error while loading state for instance 0x%x of device '%s'\n",
|
6729 |
instance_id, idstr); |
6730 |
} |
6731 |
} |
6732 |
/* always seek to exact end of record */
|
6733 |
qemu_fseek(f, cur_pos + record_len, SEEK_SET); |
6734 |
} |
6735 |
ret = 0;
|
6736 |
the_end:
|
6737 |
return ret;
|
6738 |
} |
6739 |
|
6740 |
/* device can contain snapshots */
|
6741 |
static int bdrv_can_snapshot(BlockDriverState *bs) |
6742 |
{ |
6743 |
return (bs &&
|
6744 |
!bdrv_is_removable(bs) && |
6745 |
!bdrv_is_read_only(bs)); |
6746 |
} |
6747 |
|
6748 |
/* device must be snapshots in order to have a reliable snapshot */
|
6749 |
static int bdrv_has_snapshot(BlockDriverState *bs) |
6750 |
{ |
6751 |
return (bs &&
|
6752 |
!bdrv_is_removable(bs) && |
6753 |
!bdrv_is_read_only(bs)); |
6754 |
} |
6755 |
|
6756 |
static BlockDriverState *get_bs_snapshots(void) |
6757 |
{ |
6758 |
BlockDriverState *bs; |
6759 |
int i;
|
6760 |
|
6761 |
if (bs_snapshots)
|
6762 |
return bs_snapshots;
|
6763 |
for(i = 0; i <= nb_drives; i++) { |
6764 |
bs = drives_table[i].bdrv; |
6765 |
if (bdrv_can_snapshot(bs))
|
6766 |
goto ok;
|
6767 |
} |
6768 |
return NULL; |
6769 |
ok:
|
6770 |
bs_snapshots = bs; |
6771 |
return bs;
|
6772 |
} |
6773 |
|
6774 |
static int bdrv_snapshot_find(BlockDriverState *bs, QEMUSnapshotInfo *sn_info, |
6775 |
const char *name) |
6776 |
{ |
6777 |
QEMUSnapshotInfo *sn_tab, *sn; |
6778 |
int nb_sns, i, ret;
|
6779 |
|
6780 |
ret = -ENOENT; |
6781 |
nb_sns = bdrv_snapshot_list(bs, &sn_tab); |
6782 |
if (nb_sns < 0) |
6783 |
return ret;
|
6784 |
for(i = 0; i < nb_sns; i++) { |
6785 |
sn = &sn_tab[i]; |
6786 |
if (!strcmp(sn->id_str, name) || !strcmp(sn->name, name)) {
|
6787 |
*sn_info = *sn; |
6788 |
ret = 0;
|
6789 |
break;
|
6790 |
} |
6791 |
} |
6792 |
qemu_free(sn_tab); |
6793 |
return ret;
|
6794 |
} |
6795 |
|
6796 |
void do_savevm(const char *name) |
6797 |
{ |
6798 |
BlockDriverState *bs, *bs1; |
6799 |
QEMUSnapshotInfo sn1, *sn = &sn1, old_sn1, *old_sn = &old_sn1; |
6800 |
int must_delete, ret, i;
|
6801 |
BlockDriverInfo bdi1, *bdi = &bdi1; |
6802 |
QEMUFile *f; |
6803 |
int saved_vm_running;
|
6804 |
#ifdef _WIN32
|
6805 |
struct _timeb tb;
|
6806 |
#else
|
6807 |
struct timeval tv;
|
6808 |
#endif
|
6809 |
|
6810 |
bs = get_bs_snapshots(); |
6811 |
if (!bs) {
|
6812 |
term_printf("No block device can accept snapshots\n");
|
6813 |
return;
|
6814 |
} |
6815 |
|
6816 |
/* ??? Should this occur after vm_stop? */
|
6817 |
qemu_aio_flush(); |
6818 |
|
6819 |
saved_vm_running = vm_running; |
6820 |
vm_stop(0);
|
6821 |
|
6822 |
must_delete = 0;
|
6823 |
if (name) {
|
6824 |
ret = bdrv_snapshot_find(bs, old_sn, name); |
6825 |
if (ret >= 0) { |
6826 |
must_delete = 1;
|
6827 |
} |
6828 |
} |
6829 |
memset(sn, 0, sizeof(*sn)); |
6830 |
if (must_delete) {
|
6831 |
pstrcpy(sn->name, sizeof(sn->name), old_sn->name);
|
6832 |
pstrcpy(sn->id_str, sizeof(sn->id_str), old_sn->id_str);
|
6833 |
} else {
|
6834 |
if (name)
|
6835 |
pstrcpy(sn->name, sizeof(sn->name), name);
|
6836 |
} |
6837 |
|
6838 |
/* fill auxiliary fields */
|
6839 |
#ifdef _WIN32
|
6840 |
_ftime(&tb); |
6841 |
sn->date_sec = tb.time; |
6842 |
sn->date_nsec = tb.millitm * 1000000;
|
6843 |
#else
|
6844 |
gettimeofday(&tv, NULL);
|
6845 |
sn->date_sec = tv.tv_sec; |
6846 |
sn->date_nsec = tv.tv_usec * 1000;
|
6847 |
#endif
|
6848 |
sn->vm_clock_nsec = qemu_get_clock(vm_clock); |
6849 |
|
6850 |
if (bdrv_get_info(bs, bdi) < 0 || bdi->vm_state_offset <= 0) { |
6851 |
term_printf("Device %s does not support VM state snapshots\n",
|
6852 |
bdrv_get_device_name(bs)); |
6853 |
goto the_end;
|
6854 |
} |
6855 |
|
6856 |
/* save the VM state */
|
6857 |
f = qemu_fopen_bdrv(bs, bdi->vm_state_offset, 1);
|
6858 |
if (!f) {
|
6859 |
term_printf("Could not open VM state file\n");
|
6860 |
goto the_end;
|
6861 |
} |
6862 |
ret = qemu_savevm_state(f); |
6863 |
sn->vm_state_size = qemu_ftell(f); |
6864 |
qemu_fclose(f); |
6865 |
if (ret < 0) { |
6866 |
term_printf("Error %d while writing VM\n", ret);
|
6867 |
goto the_end;
|
6868 |
} |
6869 |
|
6870 |
/* create the snapshots */
|
6871 |
|
6872 |
for(i = 0; i < nb_drives; i++) { |
6873 |
bs1 = drives_table[i].bdrv; |
6874 |
if (bdrv_has_snapshot(bs1)) {
|
6875 |
if (must_delete) {
|
6876 |
ret = bdrv_snapshot_delete(bs1, old_sn->id_str); |
6877 |
if (ret < 0) { |
6878 |
term_printf("Error while deleting snapshot on '%s'\n",
|
6879 |
bdrv_get_device_name(bs1)); |
6880 |
} |
6881 |
} |
6882 |
ret = bdrv_snapshot_create(bs1, sn); |
6883 |
if (ret < 0) { |
6884 |
term_printf("Error while creating snapshot on '%s'\n",
|
6885 |
bdrv_get_device_name(bs1)); |
6886 |
} |
6887 |
} |
6888 |
} |
6889 |
|
6890 |
the_end:
|
6891 |
if (saved_vm_running)
|
6892 |
vm_start(); |
6893 |
} |
6894 |
|
6895 |
void do_loadvm(const char *name) |
6896 |
{ |
6897 |
BlockDriverState *bs, *bs1; |
6898 |
BlockDriverInfo bdi1, *bdi = &bdi1; |
6899 |
QEMUFile *f; |
6900 |
int i, ret;
|
6901 |
int saved_vm_running;
|
6902 |
|
6903 |
bs = get_bs_snapshots(); |
6904 |
if (!bs) {
|
6905 |
term_printf("No block device supports snapshots\n");
|
6906 |
return;
|
6907 |
} |
6908 |
|
6909 |
/* Flush all IO requests so they don't interfere with the new state. */
|
6910 |
qemu_aio_flush(); |
6911 |
|
6912 |
saved_vm_running = vm_running; |
6913 |
vm_stop(0);
|
6914 |
|
6915 |
for(i = 0; i <= nb_drives; i++) { |
6916 |
bs1 = drives_table[i].bdrv; |
6917 |
if (bdrv_has_snapshot(bs1)) {
|
6918 |
ret = bdrv_snapshot_goto(bs1, name); |
6919 |
if (ret < 0) { |
6920 |
if (bs != bs1)
|
6921 |
term_printf("Warning: ");
|
6922 |
switch(ret) {
|
6923 |
case -ENOTSUP:
|
6924 |
term_printf("Snapshots not supported on device '%s'\n",
|
6925 |
bdrv_get_device_name(bs1)); |
6926 |
break;
|
6927 |
case -ENOENT:
|
6928 |
term_printf("Could not find snapshot '%s' on device '%s'\n",
|
6929 |
name, bdrv_get_device_name(bs1)); |
6930 |
break;
|
6931 |
default:
|
6932 |
term_printf("Error %d while activating snapshot on '%s'\n",
|
6933 |
ret, bdrv_get_device_name(bs1)); |
6934 |
break;
|
6935 |
} |
6936 |
/* fatal on snapshot block device */
|
6937 |
if (bs == bs1)
|
6938 |
goto the_end;
|
6939 |
} |
6940 |
} |
6941 |
} |
6942 |
|
6943 |
if (bdrv_get_info(bs, bdi) < 0 || bdi->vm_state_offset <= 0) { |
6944 |
term_printf("Device %s does not support VM state snapshots\n",
|
6945 |
bdrv_get_device_name(bs)); |
6946 |
return;
|
6947 |
} |
6948 |
|
6949 |
/* restore the VM state */
|
6950 |
f = qemu_fopen_bdrv(bs, bdi->vm_state_offset, 0);
|
6951 |
if (!f) {
|
6952 |
term_printf("Could not open VM state file\n");
|
6953 |
goto the_end;
|
6954 |
} |
6955 |
ret = qemu_loadvm_state(f); |
6956 |
qemu_fclose(f); |
6957 |
if (ret < 0) { |
6958 |
term_printf("Error %d while loading VM state\n", ret);
|
6959 |
} |
6960 |
the_end:
|
6961 |
if (saved_vm_running)
|
6962 |
vm_start(); |
6963 |
} |
6964 |
|
6965 |
void do_delvm(const char *name) |
6966 |
{ |
6967 |
BlockDriverState *bs, *bs1; |
6968 |
int i, ret;
|
6969 |
|
6970 |
bs = get_bs_snapshots(); |
6971 |
if (!bs) {
|
6972 |
term_printf("No block device supports snapshots\n");
|
6973 |
return;
|
6974 |
} |
6975 |
|
6976 |
for(i = 0; i <= nb_drives; i++) { |
6977 |
bs1 = drives_table[i].bdrv; |
6978 |
if (bdrv_has_snapshot(bs1)) {
|
6979 |
ret = bdrv_snapshot_delete(bs1, name); |
6980 |
if (ret < 0) { |
6981 |
if (ret == -ENOTSUP)
|
6982 |
term_printf("Snapshots not supported on device '%s'\n",
|
6983 |
bdrv_get_device_name(bs1)); |
6984 |
else
|
6985 |
term_printf("Error %d while deleting snapshot on '%s'\n",
|
6986 |
ret, bdrv_get_device_name(bs1)); |
6987 |
} |
6988 |
} |
6989 |
} |
6990 |
} |
6991 |
|
6992 |
void do_info_snapshots(void) |
6993 |
{ |
6994 |
BlockDriverState *bs, *bs1; |
6995 |
QEMUSnapshotInfo *sn_tab, *sn; |
6996 |
int nb_sns, i;
|
6997 |
char buf[256]; |
6998 |
|
6999 |
bs = get_bs_snapshots(); |
7000 |
if (!bs) {
|
7001 |
term_printf("No available block device supports snapshots\n");
|
7002 |
return;
|
7003 |
} |
7004 |
term_printf("Snapshot devices:");
|
7005 |
for(i = 0; i <= nb_drives; i++) { |
7006 |
bs1 = drives_table[i].bdrv; |
7007 |
if (bdrv_has_snapshot(bs1)) {
|
7008 |
if (bs == bs1)
|
7009 |
term_printf(" %s", bdrv_get_device_name(bs1));
|
7010 |
} |
7011 |
} |
7012 |
term_printf("\n");
|
7013 |
|
7014 |
nb_sns = bdrv_snapshot_list(bs, &sn_tab); |
7015 |
if (nb_sns < 0) { |
7016 |
term_printf("bdrv_snapshot_list: error %d\n", nb_sns);
|
7017 |
return;
|
7018 |
} |
7019 |
term_printf("Snapshot list (from %s):\n", bdrv_get_device_name(bs));
|
7020 |
term_printf("%s\n", bdrv_snapshot_dump(buf, sizeof(buf), NULL)); |
7021 |
for(i = 0; i < nb_sns; i++) { |
7022 |
sn = &sn_tab[i]; |
7023 |
term_printf("%s\n", bdrv_snapshot_dump(buf, sizeof(buf), sn)); |
7024 |
} |
7025 |
qemu_free(sn_tab); |
7026 |
} |
7027 |
|
7028 |
/***********************************************************/
|
7029 |
/* ram save/restore */
|
7030 |
|
7031 |
static int ram_get_page(QEMUFile *f, uint8_t *buf, int len) |
7032 |
{ |
7033 |
int v;
|
7034 |
|
7035 |
v = qemu_get_byte(f); |
7036 |
switch(v) {
|
7037 |
case 0: |
7038 |
if (qemu_get_buffer(f, buf, len) != len)
|
7039 |
return -EIO;
|
7040 |
break;
|
7041 |
case 1: |
7042 |
v = qemu_get_byte(f); |
7043 |
memset(buf, v, len); |
7044 |
break;
|
7045 |
default:
|
7046 |
return -EINVAL;
|
7047 |
} |
7048 |
return 0; |
7049 |
} |
7050 |
|
7051 |
static int ram_load_v1(QEMUFile *f, void *opaque) |
7052 |
{ |
7053 |
int ret;
|
7054 |
ram_addr_t i; |
7055 |
|
7056 |
if (qemu_get_be32(f) != phys_ram_size)
|
7057 |
return -EINVAL;
|
7058 |
for(i = 0; i < phys_ram_size; i+= TARGET_PAGE_SIZE) { |
7059 |
ret = ram_get_page(f, phys_ram_base + i, TARGET_PAGE_SIZE); |
7060 |
if (ret)
|
7061 |
return ret;
|
7062 |
} |
7063 |
return 0; |
7064 |
} |
7065 |
|
7066 |
#define BDRV_HASH_BLOCK_SIZE 1024 |
7067 |
#define IOBUF_SIZE 4096 |
7068 |
#define RAM_CBLOCK_MAGIC 0xfabe |
7069 |
|
7070 |
typedef struct RamCompressState { |
7071 |
z_stream zstream; |
7072 |
QEMUFile *f; |
7073 |
uint8_t buf[IOBUF_SIZE]; |
7074 |
} RamCompressState; |
7075 |
|
7076 |
static int ram_compress_open(RamCompressState *s, QEMUFile *f) |
7077 |
{ |
7078 |
int ret;
|
7079 |
memset(s, 0, sizeof(*s)); |
7080 |
s->f = f; |
7081 |
ret = deflateInit2(&s->zstream, 1,
|
7082 |
Z_DEFLATED, 15,
|
7083 |
9, Z_DEFAULT_STRATEGY);
|
7084 |
if (ret != Z_OK)
|
7085 |
return -1; |
7086 |
s->zstream.avail_out = IOBUF_SIZE; |
7087 |
s->zstream.next_out = s->buf; |
7088 |
return 0; |
7089 |
} |
7090 |
|
7091 |
static void ram_put_cblock(RamCompressState *s, const uint8_t *buf, int len) |
7092 |
{ |
7093 |
qemu_put_be16(s->f, RAM_CBLOCK_MAGIC); |
7094 |
qemu_put_be16(s->f, len); |
7095 |
qemu_put_buffer(s->f, buf, len); |
7096 |
} |
7097 |
|
7098 |
static int ram_compress_buf(RamCompressState *s, const uint8_t *buf, int len) |
7099 |
{ |
7100 |
int ret;
|
7101 |
|
7102 |
s->zstream.avail_in = len; |
7103 |
s->zstream.next_in = (uint8_t *)buf; |
7104 |
while (s->zstream.avail_in > 0) { |
7105 |
ret = deflate(&s->zstream, Z_NO_FLUSH); |
7106 |
if (ret != Z_OK)
|
7107 |
return -1; |
7108 |
if (s->zstream.avail_out == 0) { |
7109 |
ram_put_cblock(s, s->buf, IOBUF_SIZE); |
7110 |
s->zstream.avail_out = IOBUF_SIZE; |
7111 |
s->zstream.next_out = s->buf; |
7112 |
} |
7113 |
} |
7114 |
return 0; |
7115 |
} |
7116 |
|
7117 |
static void ram_compress_close(RamCompressState *s) |
7118 |
{ |
7119 |
int len, ret;
|
7120 |
|
7121 |
/* compress last bytes */
|
7122 |
for(;;) {
|
7123 |
ret = deflate(&s->zstream, Z_FINISH); |
7124 |
if (ret == Z_OK || ret == Z_STREAM_END) {
|
7125 |
len = IOBUF_SIZE - s->zstream.avail_out; |
7126 |
if (len > 0) { |
7127 |
ram_put_cblock(s, s->buf, len); |
7128 |
} |
7129 |
s->zstream.avail_out = IOBUF_SIZE; |
7130 |
s->zstream.next_out = s->buf; |
7131 |
if (ret == Z_STREAM_END)
|
7132 |
break;
|
7133 |
} else {
|
7134 |
goto fail;
|
7135 |
} |
7136 |
} |
7137 |
fail:
|
7138 |
deflateEnd(&s->zstream); |
7139 |
} |
7140 |
|
7141 |
typedef struct RamDecompressState { |
7142 |
z_stream zstream; |
7143 |
QEMUFile *f; |
7144 |
uint8_t buf[IOBUF_SIZE]; |
7145 |
} RamDecompressState; |
7146 |
|
7147 |
static int ram_decompress_open(RamDecompressState *s, QEMUFile *f) |
7148 |
{ |
7149 |
int ret;
|
7150 |
memset(s, 0, sizeof(*s)); |
7151 |
s->f = f; |
7152 |
ret = inflateInit(&s->zstream); |
7153 |
if (ret != Z_OK)
|
7154 |
return -1; |
7155 |
return 0; |
7156 |
} |
7157 |
|
7158 |
static int ram_decompress_buf(RamDecompressState *s, uint8_t *buf, int len) |
7159 |
{ |
7160 |
int ret, clen;
|
7161 |
|
7162 |
s->zstream.avail_out = len; |
7163 |
s->zstream.next_out = buf; |
7164 |
while (s->zstream.avail_out > 0) { |
7165 |
if (s->zstream.avail_in == 0) { |
7166 |
if (qemu_get_be16(s->f) != RAM_CBLOCK_MAGIC)
|
7167 |
return -1; |
7168 |
clen = qemu_get_be16(s->f); |
7169 |
if (clen > IOBUF_SIZE)
|
7170 |
return -1; |
7171 |
qemu_get_buffer(s->f, s->buf, clen); |
7172 |
s->zstream.avail_in = clen; |
7173 |
s->zstream.next_in = s->buf; |
7174 |
} |
7175 |
ret = inflate(&s->zstream, Z_PARTIAL_FLUSH); |
7176 |
if (ret != Z_OK && ret != Z_STREAM_END) {
|
7177 |
return -1; |
7178 |
} |
7179 |
} |
7180 |
return 0; |
7181 |
} |
7182 |
|
7183 |
static void ram_decompress_close(RamDecompressState *s) |
7184 |
{ |
7185 |
inflateEnd(&s->zstream); |
7186 |
} |
7187 |
|
7188 |
static void ram_save(QEMUFile *f, void *opaque) |
7189 |
{ |
7190 |
ram_addr_t i; |
7191 |
RamCompressState s1, *s = &s1; |
7192 |
uint8_t buf[10];
|
7193 |
|
7194 |
qemu_put_be32(f, phys_ram_size); |
7195 |
if (ram_compress_open(s, f) < 0) |
7196 |
return;
|
7197 |
for(i = 0; i < phys_ram_size; i+= BDRV_HASH_BLOCK_SIZE) { |
7198 |
#if 0
|
7199 |
if (tight_savevm_enabled) {
|
7200 |
int64_t sector_num;
|
7201 |
int j;
|
7202 |
|
7203 |
/* find if the memory block is available on a virtual
|
7204 |
block device */
|
7205 |
sector_num = -1;
|
7206 |
for(j = 0; j < nb_drives; j++) {
|
7207 |
sector_num = bdrv_hash_find(drives_table[j].bdrv,
|
7208 |
phys_ram_base + i,
|
7209 |
BDRV_HASH_BLOCK_SIZE);
|
7210 |
if (sector_num >= 0)
|
7211 |
break;
|
7212 |
}
|
7213 |
if (j == nb_drives)
|
7214 |
goto normal_compress;
|
7215 |
buf[0] = 1;
|
7216 |
buf[1] = j;
|
7217 |
cpu_to_be64wu((uint64_t *)(buf + 2), sector_num);
|
7218 |
ram_compress_buf(s, buf, 10);
|
7219 |
} else
|
7220 |
#endif
|
7221 |
{ |
7222 |
// normal_compress:
|
7223 |
buf[0] = 0; |
7224 |
ram_compress_buf(s, buf, 1);
|
7225 |
ram_compress_buf(s, phys_ram_base + i, BDRV_HASH_BLOCK_SIZE); |
7226 |
} |
7227 |
} |
7228 |
ram_compress_close(s); |
7229 |
} |
7230 |
|
7231 |
static int ram_load(QEMUFile *f, void *opaque, int version_id) |
7232 |
{ |
7233 |
RamDecompressState s1, *s = &s1; |
7234 |
uint8_t buf[10];
|
7235 |
ram_addr_t i; |
7236 |
|
7237 |
if (version_id == 1) |
7238 |
return ram_load_v1(f, opaque);
|
7239 |
if (version_id != 2) |
7240 |
return -EINVAL;
|
7241 |
if (qemu_get_be32(f) != phys_ram_size)
|
7242 |
return -EINVAL;
|
7243 |
if (ram_decompress_open(s, f) < 0) |
7244 |
return -EINVAL;
|
7245 |
for(i = 0; i < phys_ram_size; i+= BDRV_HASH_BLOCK_SIZE) { |
7246 |
if (ram_decompress_buf(s, buf, 1) < 0) { |
7247 |
fprintf(stderr, "Error while reading ram block header\n");
|
7248 |
goto error;
|
7249 |
} |
7250 |
if (buf[0] == 0) { |
7251 |
if (ram_decompress_buf(s, phys_ram_base + i, BDRV_HASH_BLOCK_SIZE) < 0) { |
7252 |
fprintf(stderr, "Error while reading ram block address=0x%08" PRIx64, (uint64_t)i);
|
7253 |
goto error;
|
7254 |
} |
7255 |
} else
|
7256 |
#if 0
|
7257 |
if (buf[0] == 1) {
|
7258 |
int bs_index;
|
7259 |
int64_t sector_num;
|
7260 |
|
7261 |
ram_decompress_buf(s, buf + 1, 9);
|
7262 |
bs_index = buf[1];
|
7263 |
sector_num = be64_to_cpupu((const uint64_t *)(buf + 2));
|
7264 |
if (bs_index >= nb_drives) {
|
7265 |
fprintf(stderr, "Invalid block device index %d\n", bs_index);
|
7266 |
goto error;
|
7267 |
}
|
7268 |
if (bdrv_read(drives_table[bs_index].bdrv, sector_num,
|
7269 |
phys_ram_base + i,
|
7270 |
BDRV_HASH_BLOCK_SIZE / 512) < 0) {
|
7271 |
fprintf(stderr, "Error while reading sector %d:%" PRId64 "\n",
|
7272 |
bs_index, sector_num);
|
7273 |
goto error;
|
7274 |
}
|
7275 |
} else
|
7276 |
#endif
|
7277 |
{ |
7278 |
error:
|
7279 |
printf("Error block header\n");
|
7280 |
return -EINVAL;
|
7281 |
} |
7282 |
} |
7283 |
ram_decompress_close(s); |
7284 |
return 0; |
7285 |
} |
7286 |
|
7287 |
/***********************************************************/
|
7288 |
/* bottom halves (can be seen as timers which expire ASAP) */
|
7289 |
|
7290 |
struct QEMUBH {
|
7291 |
QEMUBHFunc *cb; |
7292 |
void *opaque;
|
7293 |
int scheduled;
|
7294 |
QEMUBH *next; |
7295 |
}; |
7296 |
|
7297 |
static QEMUBH *first_bh = NULL; |
7298 |
|
7299 |
QEMUBH *qemu_bh_new(QEMUBHFunc *cb, void *opaque)
|
7300 |
{ |
7301 |
QEMUBH *bh; |
7302 |
bh = qemu_mallocz(sizeof(QEMUBH));
|
7303 |
if (!bh)
|
7304 |
return NULL; |
7305 |
bh->cb = cb; |
7306 |
bh->opaque = opaque; |
7307 |
return bh;
|
7308 |
} |
7309 |
|
7310 |
int qemu_bh_poll(void) |
7311 |
{ |
7312 |
QEMUBH *bh, **pbh; |
7313 |
int ret;
|
7314 |
|
7315 |
ret = 0;
|
7316 |
for(;;) {
|
7317 |
pbh = &first_bh; |
7318 |
bh = *pbh; |
7319 |
if (!bh)
|
7320 |
break;
|
7321 |
ret = 1;
|
7322 |
*pbh = bh->next; |
7323 |
bh->scheduled = 0;
|
7324 |
bh->cb(bh->opaque); |
7325 |
} |
7326 |
return ret;
|
7327 |
} |
7328 |
|
7329 |
void qemu_bh_schedule(QEMUBH *bh)
|
7330 |
{ |
7331 |
CPUState *env = cpu_single_env; |
7332 |
if (bh->scheduled)
|
7333 |
return;
|
7334 |
bh->scheduled = 1;
|
7335 |
bh->next = first_bh; |
7336 |
first_bh = bh; |
7337 |
|
7338 |
/* stop the currently executing CPU to execute the BH ASAP */
|
7339 |
if (env) {
|
7340 |
cpu_interrupt(env, CPU_INTERRUPT_EXIT); |
7341 |
} |
7342 |
} |
7343 |
|
7344 |
void qemu_bh_cancel(QEMUBH *bh)
|
7345 |
{ |
7346 |
QEMUBH **pbh; |
7347 |
if (bh->scheduled) {
|
7348 |
pbh = &first_bh; |
7349 |
while (*pbh != bh)
|
7350 |
pbh = &(*pbh)->next; |
7351 |
*pbh = bh->next; |
7352 |
bh->scheduled = 0;
|
7353 |
} |
7354 |
} |
7355 |
|
7356 |
void qemu_bh_delete(QEMUBH *bh)
|
7357 |
{ |
7358 |
qemu_bh_cancel(bh); |
7359 |
qemu_free(bh); |
7360 |
} |
7361 |
|
7362 |
/***********************************************************/
|
7363 |
/* machine registration */
|
7364 |
|
7365 |
QEMUMachine *first_machine = NULL;
|
7366 |
|
7367 |
int qemu_register_machine(QEMUMachine *m)
|
7368 |
{ |
7369 |
QEMUMachine **pm; |
7370 |
pm = &first_machine; |
7371 |
while (*pm != NULL) |
7372 |
pm = &(*pm)->next; |
7373 |
m->next = NULL;
|
7374 |
*pm = m; |
7375 |
return 0; |
7376 |
} |
7377 |
|
7378 |
static QEMUMachine *find_machine(const char *name) |
7379 |
{ |
7380 |
QEMUMachine *m; |
7381 |
|
7382 |
for(m = first_machine; m != NULL; m = m->next) { |
7383 |
if (!strcmp(m->name, name))
|
7384 |
return m;
|
7385 |
} |
7386 |
return NULL; |
7387 |
} |
7388 |
|
7389 |
/***********************************************************/
|
7390 |
/* main execution loop */
|
7391 |
|
7392 |
static void gui_update(void *opaque) |
7393 |
{ |
7394 |
DisplayState *ds = opaque; |
7395 |
ds->dpy_refresh(ds); |
7396 |
qemu_mod_timer(ds->gui_timer, |
7397 |
(ds->gui_timer_interval ? |
7398 |
ds->gui_timer_interval : |
7399 |
GUI_REFRESH_INTERVAL) |
7400 |
+ qemu_get_clock(rt_clock)); |
7401 |
} |
7402 |
|
7403 |
struct vm_change_state_entry {
|
7404 |
VMChangeStateHandler *cb; |
7405 |
void *opaque;
|
7406 |
LIST_ENTRY (vm_change_state_entry) entries; |
7407 |
}; |
7408 |
|
7409 |
static LIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
|
7410 |
|
7411 |
VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb, |
7412 |
void *opaque)
|
7413 |
{ |
7414 |
VMChangeStateEntry *e; |
7415 |
|
7416 |
e = qemu_mallocz(sizeof (*e));
|
7417 |
if (!e)
|
7418 |
return NULL; |
7419 |
|
7420 |
e->cb = cb; |
7421 |
e->opaque = opaque; |
7422 |
LIST_INSERT_HEAD(&vm_change_state_head, e, entries); |
7423 |
return e;
|
7424 |
} |
7425 |
|
7426 |
void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
|
7427 |
{ |
7428 |
LIST_REMOVE (e, entries); |
7429 |
qemu_free (e); |
7430 |
} |
7431 |
|
7432 |
static void vm_state_notify(int running) |
7433 |
{ |
7434 |
VMChangeStateEntry *e; |
7435 |
|
7436 |
for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
|
7437 |
e->cb(e->opaque, running); |
7438 |
} |
7439 |
} |
7440 |
|
7441 |
/* XXX: support several handlers */
|
7442 |
static VMStopHandler *vm_stop_cb;
|
7443 |
static void *vm_stop_opaque; |
7444 |
|
7445 |
int qemu_add_vm_stop_handler(VMStopHandler *cb, void *opaque) |
7446 |
{ |
7447 |
vm_stop_cb = cb; |
7448 |
vm_stop_opaque = opaque; |
7449 |
return 0; |
7450 |
} |
7451 |
|
7452 |
void qemu_del_vm_stop_handler(VMStopHandler *cb, void *opaque) |
7453 |
{ |
7454 |
vm_stop_cb = NULL;
|
7455 |
} |
7456 |
|
7457 |
void vm_start(void) |
7458 |
{ |
7459 |
if (!vm_running) {
|
7460 |
cpu_enable_ticks(); |
7461 |
vm_running = 1;
|
7462 |
vm_state_notify(1);
|
7463 |
qemu_rearm_alarm_timer(alarm_timer); |
7464 |
} |
7465 |
} |
7466 |
|
7467 |
void vm_stop(int reason) |
7468 |
{ |
7469 |
if (vm_running) {
|
7470 |
cpu_disable_ticks(); |
7471 |
vm_running = 0;
|
7472 |
if (reason != 0) { |
7473 |
if (vm_stop_cb) {
|
7474 |
vm_stop_cb(vm_stop_opaque, reason); |
7475 |
} |
7476 |
} |
7477 |
vm_state_notify(0);
|
7478 |
} |
7479 |
} |
7480 |
|
7481 |
/* reset/shutdown handler */
|
7482 |
|
7483 |
typedef struct QEMUResetEntry { |
7484 |
QEMUResetHandler *func; |
7485 |
void *opaque;
|
7486 |
struct QEMUResetEntry *next;
|
7487 |
} QEMUResetEntry; |
7488 |
|
7489 |
static QEMUResetEntry *first_reset_entry;
|
7490 |
static int reset_requested; |
7491 |
static int shutdown_requested; |
7492 |
static int powerdown_requested; |
7493 |
|
7494 |
int qemu_shutdown_requested(void) |
7495 |
{ |
7496 |
int r = shutdown_requested;
|
7497 |
shutdown_requested = 0;
|
7498 |
return r;
|
7499 |
} |
7500 |
|
7501 |
int qemu_reset_requested(void) |
7502 |
{ |
7503 |
int r = reset_requested;
|
7504 |
reset_requested = 0;
|
7505 |
return r;
|
7506 |
} |
7507 |
|
7508 |
int qemu_powerdown_requested(void) |
7509 |
{ |
7510 |
int r = powerdown_requested;
|
7511 |
powerdown_requested = 0;
|
7512 |
return r;
|
7513 |
} |
7514 |
|
7515 |
void qemu_register_reset(QEMUResetHandler *func, void *opaque) |
7516 |
{ |
7517 |
QEMUResetEntry **pre, *re; |
7518 |
|
7519 |
pre = &first_reset_entry; |
7520 |
while (*pre != NULL) |
7521 |
pre = &(*pre)->next; |
7522 |
re = qemu_mallocz(sizeof(QEMUResetEntry));
|
7523 |
re->func = func; |
7524 |
re->opaque = opaque; |
7525 |
re->next = NULL;
|
7526 |
*pre = re; |
7527 |
} |
7528 |
|
7529 |
void qemu_system_reset(void) |
7530 |
{ |
7531 |
QEMUResetEntry *re; |
7532 |
|
7533 |
/* reset all devices */
|
7534 |
for(re = first_reset_entry; re != NULL; re = re->next) { |
7535 |
re->func(re->opaque); |
7536 |
} |
7537 |
} |
7538 |
|
7539 |
void qemu_system_reset_request(void) |
7540 |
{ |
7541 |
if (no_reboot) {
|
7542 |
shutdown_requested = 1;
|
7543 |
} else {
|
7544 |
reset_requested = 1;
|
7545 |
} |
7546 |
if (cpu_single_env)
|
7547 |
cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT); |
7548 |
} |
7549 |
|
7550 |
void qemu_system_shutdown_request(void) |
7551 |
{ |
7552 |
shutdown_requested = 1;
|
7553 |
if (cpu_single_env)
|
7554 |
cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT); |
7555 |
} |
7556 |
|
7557 |
void qemu_system_powerdown_request(void) |
7558 |
{ |
7559 |
powerdown_requested = 1;
|
7560 |
if (cpu_single_env)
|
7561 |
cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT); |
7562 |
} |
7563 |
|
7564 |
void main_loop_wait(int timeout) |
7565 |
{ |
7566 |
IOHandlerRecord *ioh; |
7567 |
fd_set rfds, wfds, xfds; |
7568 |
int ret, nfds;
|
7569 |
#ifdef _WIN32
|
7570 |
int ret2, i;
|
7571 |
#endif
|
7572 |
struct timeval tv;
|
7573 |
PollingEntry *pe; |
7574 |
|
7575 |
|
7576 |
/* XXX: need to suppress polling by better using win32 events */
|
7577 |
ret = 0;
|
7578 |
for(pe = first_polling_entry; pe != NULL; pe = pe->next) { |
7579 |
ret |= pe->func(pe->opaque); |
7580 |
} |
7581 |
#ifdef _WIN32
|
7582 |
if (ret == 0) { |
7583 |
int err;
|
7584 |
WaitObjects *w = &wait_objects; |
7585 |
|
7586 |
ret = WaitForMultipleObjects(w->num, w->events, FALSE, timeout); |
7587 |
if (WAIT_OBJECT_0 + 0 <= ret && ret <= WAIT_OBJECT_0 + w->num - 1) { |
7588 |
if (w->func[ret - WAIT_OBJECT_0])
|
7589 |
w->func[ret - WAIT_OBJECT_0](w->opaque[ret - WAIT_OBJECT_0]); |
7590 |
|
7591 |
/* Check for additional signaled events */
|
7592 |
for(i = (ret - WAIT_OBJECT_0 + 1); i < w->num; i++) { |
7593 |
|
7594 |
/* Check if event is signaled */
|
7595 |
ret2 = WaitForSingleObject(w->events[i], 0);
|
7596 |
if(ret2 == WAIT_OBJECT_0) {
|
7597 |
if (w->func[i])
|
7598 |
w->func[i](w->opaque[i]); |
7599 |
} else if (ret2 == WAIT_TIMEOUT) { |
7600 |
} else {
|
7601 |
err = GetLastError(); |
7602 |
fprintf(stderr, "WaitForSingleObject error %d %d\n", i, err);
|
7603 |
} |
7604 |
} |
7605 |
} else if (ret == WAIT_TIMEOUT) { |
7606 |
} else {
|
7607 |
err = GetLastError(); |
7608 |
fprintf(stderr, "WaitForMultipleObjects error %d %d\n", ret, err);
|
7609 |
} |
7610 |
} |
7611 |
#endif
|
7612 |
/* poll any events */
|
7613 |
/* XXX: separate device handlers from system ones */
|
7614 |
nfds = -1;
|
7615 |
FD_ZERO(&rfds); |
7616 |
FD_ZERO(&wfds); |
7617 |
FD_ZERO(&xfds); |
7618 |
for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) { |
7619 |
if (ioh->deleted)
|
7620 |
continue;
|
7621 |
if (ioh->fd_read &&
|
7622 |
(!ioh->fd_read_poll || |
7623 |
ioh->fd_read_poll(ioh->opaque) != 0)) {
|
7624 |
FD_SET(ioh->fd, &rfds); |
7625 |
if (ioh->fd > nfds)
|
7626 |
nfds = ioh->fd; |
7627 |
} |
7628 |
if (ioh->fd_write) {
|
7629 |
FD_SET(ioh->fd, &wfds); |
7630 |
if (ioh->fd > nfds)
|
7631 |
nfds = ioh->fd; |
7632 |
} |
7633 |
} |
7634 |
|
7635 |
tv.tv_sec = 0;
|
7636 |
#ifdef _WIN32
|
7637 |
tv.tv_usec = 0;
|
7638 |
#else
|
7639 |
tv.tv_usec = timeout * 1000;
|
7640 |
#endif
|
7641 |
#if defined(CONFIG_SLIRP)
|
7642 |
if (slirp_inited) {
|
7643 |
slirp_select_fill(&nfds, &rfds, &wfds, &xfds); |
7644 |
} |
7645 |
#endif
|
7646 |
ret = select(nfds + 1, &rfds, &wfds, &xfds, &tv);
|
7647 |
if (ret > 0) { |
7648 |
IOHandlerRecord **pioh; |
7649 |
|
7650 |
for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) { |
7651 |
if (!ioh->deleted && ioh->fd_read && FD_ISSET(ioh->fd, &rfds)) {
|
7652 |
ioh->fd_read(ioh->opaque); |
7653 |
} |
7654 |
if (!ioh->deleted && ioh->fd_write && FD_ISSET(ioh->fd, &wfds)) {
|
7655 |
ioh->fd_write(ioh->opaque); |
7656 |
} |
7657 |
} |
7658 |
|
7659 |
/* remove deleted IO handlers */
|
7660 |
pioh = &first_io_handler; |
7661 |
while (*pioh) {
|
7662 |
ioh = *pioh; |
7663 |
if (ioh->deleted) {
|
7664 |
*pioh = ioh->next; |
7665 |
qemu_free(ioh); |
7666 |
} else
|
7667 |
pioh = &ioh->next; |
7668 |
} |
7669 |
} |
7670 |
#if defined(CONFIG_SLIRP)
|
7671 |
if (slirp_inited) {
|
7672 |
if (ret < 0) { |
7673 |
FD_ZERO(&rfds); |
7674 |
FD_ZERO(&wfds); |
7675 |
FD_ZERO(&xfds); |
7676 |
} |
7677 |
slirp_select_poll(&rfds, &wfds, &xfds); |
7678 |
} |
7679 |
#endif
|
7680 |
|
7681 |
if (vm_running) {
|
7682 |
if (likely(!(cur_cpu->singlestep_enabled & SSTEP_NOTIMER)))
|
7683 |
qemu_run_timers(&active_timers[QEMU_TIMER_VIRTUAL], |
7684 |
qemu_get_clock(vm_clock)); |
7685 |
/* run dma transfers, if any */
|
7686 |
DMA_run(); |
7687 |
} |
7688 |
|
7689 |
/* real time timers */
|
7690 |
qemu_run_timers(&active_timers[QEMU_TIMER_REALTIME], |
7691 |
qemu_get_clock(rt_clock)); |
7692 |
|
7693 |
if (alarm_timer->flags & ALARM_FLAG_EXPIRED) {
|
7694 |
alarm_timer->flags &= ~(ALARM_FLAG_EXPIRED); |
7695 |
qemu_rearm_alarm_timer(alarm_timer); |
7696 |
} |
7697 |
|
7698 |
/* Check bottom-halves last in case any of the earlier events triggered
|
7699 |
them. */
|
7700 |
qemu_bh_poll(); |
7701 |
|
7702 |
} |
7703 |
|
7704 |
static int main_loop(void) |
7705 |
{ |
7706 |
int ret, timeout;
|
7707 |
#ifdef CONFIG_PROFILER
|
7708 |
int64_t ti; |
7709 |
#endif
|
7710 |
CPUState *env; |
7711 |
|
7712 |
cur_cpu = first_cpu; |
7713 |
next_cpu = cur_cpu->next_cpu ?: first_cpu; |
7714 |
for(;;) {
|
7715 |
if (vm_running) {
|
7716 |
|
7717 |
for(;;) {
|
7718 |
/* get next cpu */
|
7719 |
env = next_cpu; |
7720 |
#ifdef CONFIG_PROFILER
|
7721 |
ti = profile_getclock(); |
7722 |
#endif
|
7723 |
if (use_icount) {
|
7724 |
int64_t count; |
7725 |
int decr;
|
7726 |
qemu_icount -= (env->icount_decr.u16.low + env->icount_extra); |
7727 |
env->icount_decr.u16.low = 0;
|
7728 |
env->icount_extra = 0;
|
7729 |
count = qemu_next_deadline(); |
7730 |
count = (count + (1 << icount_time_shift) - 1) |
7731 |
>> icount_time_shift; |
7732 |
qemu_icount += count; |
7733 |
decr = (count > 0xffff) ? 0xffff : count; |
7734 |
count -= decr; |
7735 |
env->icount_decr.u16.low = decr; |
7736 |
env->icount_extra = count; |
7737 |
} |
7738 |
ret = cpu_exec(env); |
7739 |
#ifdef CONFIG_PROFILER
|
7740 |
qemu_time += profile_getclock() - ti; |
7741 |
#endif
|
7742 |
if (use_icount) {
|
7743 |
/* Fold pending instructions back into the
|
7744 |
instruction counter, and clear the interrupt flag. */
|
7745 |
qemu_icount -= (env->icount_decr.u16.low |
7746 |
+ env->icount_extra); |
7747 |
env->icount_decr.u32 = 0;
|
7748 |
env->icount_extra = 0;
|
7749 |
} |
7750 |
next_cpu = env->next_cpu ?: first_cpu; |
7751 |
if (event_pending && likely(ret != EXCP_DEBUG)) {
|
7752 |
ret = EXCP_INTERRUPT; |
7753 |
event_pending = 0;
|
7754 |
break;
|
7755 |
} |
7756 |
if (ret == EXCP_HLT) {
|
7757 |
/* Give the next CPU a chance to run. */
|
7758 |
cur_cpu = env; |
7759 |
continue;
|
7760 |
} |
7761 |
if (ret != EXCP_HALTED)
|
7762 |
break;
|
7763 |
/* all CPUs are halted ? */
|
7764 |
if (env == cur_cpu)
|
7765 |
break;
|
7766 |
} |
7767 |
cur_cpu = env; |
7768 |
|
7769 |
if (shutdown_requested) {
|
7770 |
ret = EXCP_INTERRUPT; |
7771 |
if (no_shutdown) {
|
7772 |
vm_stop(0);
|
7773 |
no_shutdown = 0;
|
7774 |
} |
7775 |
else
|
7776 |
break;
|
7777 |
} |
7778 |
if (reset_requested) {
|
7779 |
reset_requested = 0;
|
7780 |
qemu_system_reset(); |
7781 |
ret = EXCP_INTERRUPT; |
7782 |
} |
7783 |
if (powerdown_requested) {
|
7784 |
powerdown_requested = 0;
|
7785 |
qemu_system_powerdown(); |
7786 |
ret = EXCP_INTERRUPT; |
7787 |
} |
7788 |
if (unlikely(ret == EXCP_DEBUG)) {
|
7789 |
vm_stop(EXCP_DEBUG); |
7790 |
} |
7791 |
/* If all cpus are halted then wait until the next IRQ */
|
7792 |
/* XXX: use timeout computed from timers */
|
7793 |
if (ret == EXCP_HALTED) {
|
7794 |
if (use_icount) {
|
7795 |
int64_t add; |
7796 |
int64_t delta; |
7797 |
/* Advance virtual time to the next event. */
|
7798 |
if (use_icount == 1) { |
7799 |
/* When not using an adaptive execution frequency
|
7800 |
we tend to get badly out of sync with real time,
|
7801 |
so just delay for a reasonable amount of time. */
|
7802 |
delta = 0;
|
7803 |
} else {
|
7804 |
delta = cpu_get_icount() - cpu_get_clock(); |
7805 |
} |
7806 |
if (delta > 0) { |
7807 |
/* If virtual time is ahead of real time then just
|
7808 |
wait for IO. */
|
7809 |
timeout = (delta / 1000000) + 1; |
7810 |
} else {
|
7811 |
/* Wait for either IO to occur or the next
|
7812 |
timer event. */
|
7813 |
add = qemu_next_deadline(); |
7814 |
/* We advance the timer before checking for IO.
|
7815 |
Limit the amount we advance so that early IO
|
7816 |
activity won't get the guest too far ahead. */
|
7817 |
if (add > 10000000) |
7818 |
add = 10000000;
|
7819 |
delta += add; |
7820 |
add = (add + (1 << icount_time_shift) - 1) |
7821 |
>> icount_time_shift; |
7822 |
qemu_icount += add; |
7823 |
timeout = delta / 1000000;
|
7824 |
if (timeout < 0) |
7825 |
timeout = 0;
|
7826 |
} |
7827 |
} else {
|
7828 |
timeout = 10;
|
7829 |
} |
7830 |
} else {
|
7831 |
timeout = 0;
|
7832 |
} |
7833 |
} else {
|
7834 |
if (shutdown_requested) {
|
7835 |
ret = EXCP_INTERRUPT; |
7836 |
break;
|
7837 |
} |
7838 |
timeout = 10;
|
7839 |
} |
7840 |
#ifdef CONFIG_PROFILER
|
7841 |
ti = profile_getclock(); |
7842 |
#endif
|
7843 |
main_loop_wait(timeout); |
7844 |
#ifdef CONFIG_PROFILER
|
7845 |
dev_time += profile_getclock() - ti; |
7846 |
#endif
|
7847 |
} |
7848 |
cpu_disable_ticks(); |
7849 |
return ret;
|
7850 |
} |
7851 |
|
7852 |
static void help(int exitcode) |
7853 |
{ |
7854 |
printf("QEMU PC emulator version " QEMU_VERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n" |
7855 |
"usage: %s [options] [disk_image]\n"
|
7856 |
"\n"
|
7857 |
"'disk_image' is a raw hard image image for IDE hard disk 0\n"
|
7858 |
"\n"
|
7859 |
"Standard options:\n"
|
7860 |
"-M machine select emulated machine (-M ? for list)\n"
|
7861 |
"-cpu cpu select CPU (-cpu ? for list)\n"
|
7862 |
"-fda/-fdb file use 'file' as floppy disk 0/1 image\n"
|
7863 |
"-hda/-hdb file use 'file' as IDE hard disk 0/1 image\n"
|
7864 |
"-hdc/-hdd file use 'file' as IDE hard disk 2/3 image\n"
|
7865 |
"-cdrom file use 'file' as IDE cdrom image (cdrom is ide1 master)\n"
|
7866 |
"-drive [file=file][,if=type][,bus=n][,unit=m][,media=d][,index=i]\n"
|
7867 |
" [,cyls=c,heads=h,secs=s[,trans=t]][,snapshot=on|off]\n"
|
7868 |
" [,cache=on|off][,format=f]\n"
|
7869 |
" use 'file' as a drive image\n"
|
7870 |
"-mtdblock file use 'file' as on-board Flash memory image\n"
|
7871 |
"-sd file use 'file' as SecureDigital card image\n"
|
7872 |
"-pflash file use 'file' as a parallel flash image\n"
|
7873 |
"-boot [a|c|d|n] boot on floppy (a), hard disk (c), CD-ROM (d), or network (n)\n"
|
7874 |
"-snapshot write to temporary files instead of disk image files\n"
|
7875 |
#ifdef CONFIG_SDL
|
7876 |
"-no-frame open SDL window without a frame and window decorations\n"
|
7877 |
"-alt-grab use Ctrl-Alt-Shift to grab mouse (instead of Ctrl-Alt)\n"
|
7878 |
"-no-quit disable SDL window close capability\n"
|
7879 |
#endif
|
7880 |
#ifdef TARGET_I386
|
7881 |
"-no-fd-bootchk disable boot signature checking for floppy disks\n"
|
7882 |
#endif
|
7883 |
"-m megs set virtual RAM size to megs MB [default=%d]\n"
|
7884 |
"-smp n set the number of CPUs to 'n' [default=1]\n"
|
7885 |
"-nographic disable graphical output and redirect serial I/Os to console\n"
|
7886 |
"-portrait rotate graphical output 90 deg left (only PXA LCD)\n"
|
7887 |
#ifndef _WIN32
|
7888 |
"-k language use keyboard layout (for example \"fr\" for French)\n"
|
7889 |
#endif
|
7890 |
#ifdef HAS_AUDIO
|
7891 |
"-audio-help print list of audio drivers and their options\n"
|
7892 |
"-soundhw c1,... enable audio support\n"
|
7893 |
" and only specified sound cards (comma separated list)\n"
|
7894 |
" use -soundhw ? to get the list of supported cards\n"
|
7895 |
" use -soundhw all to enable all of them\n"
|
7896 |
#endif
|
7897 |
"-vga [std|cirrus|vmware]\n"
|
7898 |
" select video card type\n"
|
7899 |
"-localtime set the real time clock to local time [default=utc]\n"
|
7900 |
"-full-screen start in full screen\n"
|
7901 |
#ifdef TARGET_I386
|
7902 |
"-win2k-hack use it when installing Windows 2000 to avoid a disk full bug\n"
|
7903 |
#endif
|
7904 |
"-usb enable the USB driver (will be the default soon)\n"
|
7905 |
"-usbdevice name add the host or guest USB device 'name'\n"
|
7906 |
#if defined(TARGET_PPC) || defined(TARGET_SPARC)
|
7907 |
"-g WxH[xDEPTH] Set the initial graphical resolution and depth\n"
|
7908 |
#endif
|
7909 |
"-name string set the name of the guest\n"
|
7910 |
"-uuid %%08x-%%04x-%%04x-%%04x-%%012x specify machine UUID\n"
|
7911 |
"\n"
|
7912 |
"Network options:\n"
|
7913 |
"-net nic[,vlan=n][,macaddr=addr][,model=type]\n"
|
7914 |
" create a new Network Interface Card and connect it to VLAN 'n'\n"
|
7915 |
#ifdef CONFIG_SLIRP
|
7916 |
"-net user[,vlan=n][,hostname=host]\n"
|
7917 |
" connect the user mode network stack to VLAN 'n' and send\n"
|
7918 |
" hostname 'host' to DHCP clients\n"
|
7919 |
#endif
|
7920 |
#ifdef _WIN32
|
7921 |
"-net tap[,vlan=n],ifname=name\n"
|
7922 |
" connect the host TAP network interface to VLAN 'n'\n"
|
7923 |
#else
|
7924 |
"-net tap[,vlan=n][,fd=h][,ifname=name][,script=file][,downscript=dfile]\n"
|
7925 |
" connect the host TAP network interface to VLAN 'n' and use the\n"
|
7926 |
" network scripts 'file' (default=%s)\n"
|
7927 |
" and 'dfile' (default=%s);\n"
|
7928 |
" use '[down]script=no' to disable script execution;\n"
|
7929 |
" use 'fd=h' to connect to an already opened TAP interface\n"
|
7930 |
#endif
|
7931 |
"-net socket[,vlan=n][,fd=h][,listen=[host]:port][,connect=host:port]\n"
|
7932 |
" connect the vlan 'n' to another VLAN using a socket connection\n"
|
7933 |
"-net socket[,vlan=n][,fd=h][,mcast=maddr:port]\n"
|
7934 |
" connect the vlan 'n' to multicast maddr and port\n"
|
7935 |
#ifdef CONFIG_VDE
|
7936 |
"-net vde[,vlan=n][,sock=socketpath][,port=n][,group=groupname][,mode=octalmode]\n"
|
7937 |
" connect the vlan 'n' to port 'n' of a vde switch running\n"
|
7938 |
" on host and listening for incoming connections on 'socketpath'.\n"
|
7939 |
" Use group 'groupname' and mode 'octalmode' to change default\n"
|
7940 |
" ownership and permissions for communication port.\n"
|
7941 |
#endif
|
7942 |
"-net none use it alone to have zero network devices; if no -net option\n"
|
7943 |
" is provided, the default is '-net nic -net user'\n"
|
7944 |
"\n"
|
7945 |
#ifdef CONFIG_SLIRP
|
7946 |
"-tftp dir allow tftp access to files in dir [-net user]\n"
|
7947 |
"-bootp file advertise file in BOOTP replies\n"
|
7948 |
#ifndef _WIN32
|
7949 |
"-smb dir allow SMB access to files in 'dir' [-net user]\n"
|
7950 |
#endif
|
7951 |
"-redir [tcp|udp]:host-port:[guest-host]:guest-port\n"
|
7952 |
" redirect TCP or UDP connections from host to guest [-net user]\n"
|
7953 |
#endif
|
7954 |
"\n"
|
7955 |
"Linux boot specific:\n"
|
7956 |
"-kernel bzImage use 'bzImage' as kernel image\n"
|
7957 |
"-append cmdline use 'cmdline' as kernel command line\n"
|
7958 |
"-initrd file use 'file' as initial ram disk\n"
|
7959 |
"\n"
|
7960 |
"Debug/Expert options:\n"
|
7961 |
"-monitor dev redirect the monitor to char device 'dev'\n"
|
7962 |
"-serial dev redirect the serial port to char device 'dev'\n"
|
7963 |
"-parallel dev redirect the parallel port to char device 'dev'\n"
|
7964 |
"-pidfile file Write PID to 'file'\n"
|
7965 |
"-S freeze CPU at startup (use 'c' to start execution)\n"
|
7966 |
"-s wait gdb connection to port\n"
|
7967 |
"-p port set gdb connection port [default=%s]\n"
|
7968 |
"-d item1,... output log to %s (use -d ? for a list of log items)\n"
|
7969 |
"-hdachs c,h,s[,t] force hard disk 0 physical geometry and the optional BIOS\n"
|
7970 |
" translation (t=none or lba) (usually qemu can guess them)\n"
|
7971 |
"-L path set the directory for the BIOS, VGA BIOS and keymaps\n"
|
7972 |
#ifdef USE_KQEMU
|
7973 |
"-kernel-kqemu enable KQEMU full virtualization (default is user mode only)\n"
|
7974 |
"-no-kqemu disable KQEMU kernel module usage\n"
|
7975 |
#endif
|
7976 |
#ifdef TARGET_I386
|
7977 |
"-no-acpi disable ACPI\n"
|
7978 |
#endif
|
7979 |
#ifdef CONFIG_CURSES
|
7980 |
"-curses use a curses/ncurses interface instead of SDL\n"
|
7981 |
#endif
|
7982 |
"-no-reboot exit instead of rebooting\n"
|
7983 |
"-no-shutdown stop before shutdown\n"
|
7984 |
"-loadvm [tag|id] start right away with a saved state (loadvm in monitor)\n"
|
7985 |
"-vnc display start a VNC server on display\n"
|
7986 |
#ifndef _WIN32
|
7987 |
"-daemonize daemonize QEMU after initializing\n"
|
7988 |
#endif
|
7989 |
"-option-rom rom load a file, rom, into the option ROM space\n"
|
7990 |
#ifdef TARGET_SPARC
|
7991 |
"-prom-env variable=value set OpenBIOS nvram variables\n"
|
7992 |
#endif
|
7993 |
"-clock force the use of the given methods for timer alarm.\n"
|
7994 |
" To see what timers are available use -clock ?\n"
|
7995 |
"-startdate select initial date of the clock\n"
|
7996 |
"-icount [N|auto]\n"
|
7997 |
" Enable virtual instruction counter with 2^N clock ticks per instruction\n"
|
7998 |
"\n"
|
7999 |
"During emulation, the following keys are useful:\n"
|
8000 |
"ctrl-alt-f toggle full screen\n"
|
8001 |
"ctrl-alt-n switch to virtual console 'n'\n"
|
8002 |
"ctrl-alt toggle mouse and keyboard grab\n"
|
8003 |
"\n"
|
8004 |
"When using -nographic, press 'ctrl-a h' to get some help.\n"
|
8005 |
, |
8006 |
"qemu",
|
8007 |
DEFAULT_RAM_SIZE, |
8008 |
#ifndef _WIN32
|
8009 |
DEFAULT_NETWORK_SCRIPT, |
8010 |
DEFAULT_NETWORK_DOWN_SCRIPT, |
8011 |
#endif
|
8012 |
DEFAULT_GDBSTUB_PORT, |
8013 |
"/tmp/qemu.log");
|
8014 |
exit(exitcode); |
8015 |
} |
8016 |
|
8017 |
#define HAS_ARG 0x0001 |
8018 |
|
8019 |
enum {
|
8020 |
QEMU_OPTION_h, |
8021 |
|
8022 |
QEMU_OPTION_M, |
8023 |
QEMU_OPTION_cpu, |
8024 |
QEMU_OPTION_fda, |
8025 |
QEMU_OPTION_fdb, |
8026 |
QEMU_OPTION_hda, |
8027 |
QEMU_OPTION_hdb, |
8028 |
QEMU_OPTION_hdc, |
8029 |
QEMU_OPTION_hdd, |
8030 |
QEMU_OPTION_drive, |
8031 |
QEMU_OPTION_cdrom, |
8032 |
QEMU_OPTION_mtdblock, |
8033 |
QEMU_OPTION_sd, |
8034 |
QEMU_OPTION_pflash, |
8035 |
QEMU_OPTION_boot, |
8036 |
QEMU_OPTION_snapshot, |
8037 |
#ifdef TARGET_I386
|
8038 |
QEMU_OPTION_no_fd_bootchk, |
8039 |
#endif
|
8040 |
QEMU_OPTION_m, |
8041 |
QEMU_OPTION_nographic, |
8042 |
QEMU_OPTION_portrait, |
8043 |
#ifdef HAS_AUDIO
|
8044 |
QEMU_OPTION_audio_help, |
8045 |
QEMU_OPTION_soundhw, |
8046 |
#endif
|
8047 |
|
8048 |
QEMU_OPTION_net, |
8049 |
QEMU_OPTION_tftp, |
8050 |
QEMU_OPTION_bootp, |
8051 |
QEMU_OPTION_smb, |
8052 |
QEMU_OPTION_redir, |
8053 |
|
8054 |
QEMU_OPTION_kernel, |
8055 |
QEMU_OPTION_append, |
8056 |
QEMU_OPTION_initrd, |
8057 |
|
8058 |
QEMU_OPTION_S, |
8059 |
QEMU_OPTION_s, |
8060 |
QEMU_OPTION_p, |
8061 |
QEMU_OPTION_d, |
8062 |
QEMU_OPTION_hdachs, |
8063 |
QEMU_OPTION_L, |
8064 |
QEMU_OPTION_bios, |
8065 |
QEMU_OPTION_k, |
8066 |
QEMU_OPTION_localtime, |
8067 |
QEMU_OPTION_g, |
8068 |
QEMU_OPTION_vga, |
8069 |
QEMU_OPTION_echr, |
8070 |
QEMU_OPTION_monitor, |
8071 |
QEMU_OPTION_serial, |
8072 |
QEMU_OPTION_parallel, |
8073 |
QEMU_OPTION_loadvm, |
8074 |
QEMU_OPTION_full_screen, |
8075 |
QEMU_OPTION_no_frame, |
8076 |
QEMU_OPTION_alt_grab, |
8077 |
QEMU_OPTION_no_quit, |
8078 |
QEMU_OPTION_pidfile, |
8079 |
QEMU_OPTION_no_kqemu, |
8080 |
QEMU_OPTION_kernel_kqemu, |
8081 |
QEMU_OPTION_win2k_hack, |
8082 |
QEMU_OPTION_usb, |
8083 |
QEMU_OPTION_usbdevice, |
8084 |
QEMU_OPTION_smp, |
8085 |
QEMU_OPTION_vnc, |
8086 |
QEMU_OPTION_no_acpi, |
8087 |
QEMU_OPTION_curses, |
8088 |
QEMU_OPTION_no_reboot, |
8089 |
QEMU_OPTION_no_shutdown, |
8090 |
QEMU_OPTION_show_cursor, |
8091 |
QEMU_OPTION_daemonize, |
8092 |
QEMU_OPTION_option_rom, |
8093 |
QEMU_OPTION_semihosting, |
8094 |
QEMU_OPTION_name, |
8095 |
QEMU_OPTION_prom_env, |
8096 |
QEMU_OPTION_old_param, |
8097 |
QEMU_OPTION_clock, |
8098 |
QEMU_OPTION_startdate, |
8099 |
QEMU_OPTION_tb_size, |
8100 |
QEMU_OPTION_icount, |
8101 |
QEMU_OPTION_uuid, |
8102 |
}; |
8103 |
|
8104 |
typedef struct QEMUOption { |
8105 |
const char *name; |
8106 |
int flags;
|
8107 |
int index;
|
8108 |
} QEMUOption; |
8109 |
|
8110 |
const QEMUOption qemu_options[] = {
|
8111 |
{ "h", 0, QEMU_OPTION_h }, |
8112 |
{ "help", 0, QEMU_OPTION_h }, |
8113 |
|
8114 |
{ "M", HAS_ARG, QEMU_OPTION_M },
|
8115 |
{ "cpu", HAS_ARG, QEMU_OPTION_cpu },
|
8116 |
{ "fda", HAS_ARG, QEMU_OPTION_fda },
|
8117 |
{ "fdb", HAS_ARG, QEMU_OPTION_fdb },
|
8118 |
{ "hda", HAS_ARG, QEMU_OPTION_hda },
|
8119 |
{ "hdb", HAS_ARG, QEMU_OPTION_hdb },
|
8120 |
{ "hdc", HAS_ARG, QEMU_OPTION_hdc },
|
8121 |
{ "hdd", HAS_ARG, QEMU_OPTION_hdd },
|
8122 |
{ "drive", HAS_ARG, QEMU_OPTION_drive },
|
8123 |
{ "cdrom", HAS_ARG, QEMU_OPTION_cdrom },
|
8124 |
{ "mtdblock", HAS_ARG, QEMU_OPTION_mtdblock },
|
8125 |
{ "sd", HAS_ARG, QEMU_OPTION_sd },
|
8126 |
{ "pflash", HAS_ARG, QEMU_OPTION_pflash },
|
8127 |
{ "boot", HAS_ARG, QEMU_OPTION_boot },
|
8128 |
{ "snapshot", 0, QEMU_OPTION_snapshot }, |
8129 |
#ifdef TARGET_I386
|
8130 |
{ "no-fd-bootchk", 0, QEMU_OPTION_no_fd_bootchk }, |
8131 |
#endif
|
8132 |
{ "m", HAS_ARG, QEMU_OPTION_m },
|
8133 |
{ "nographic", 0, QEMU_OPTION_nographic }, |
8134 |
{ "portrait", 0, QEMU_OPTION_portrait }, |
8135 |
{ "k", HAS_ARG, QEMU_OPTION_k },
|
8136 |
#ifdef HAS_AUDIO
|
8137 |
{ "audio-help", 0, QEMU_OPTION_audio_help }, |
8138 |
{ "soundhw", HAS_ARG, QEMU_OPTION_soundhw },
|
8139 |
#endif
|
8140 |
|
8141 |
{ "net", HAS_ARG, QEMU_OPTION_net},
|
8142 |
#ifdef CONFIG_SLIRP
|
8143 |
{ "tftp", HAS_ARG, QEMU_OPTION_tftp },
|
8144 |
{ "bootp", HAS_ARG, QEMU_OPTION_bootp },
|
8145 |
#ifndef _WIN32
|
8146 |
{ "smb", HAS_ARG, QEMU_OPTION_smb },
|
8147 |
#endif
|
8148 |
{ "redir", HAS_ARG, QEMU_OPTION_redir },
|
8149 |
#endif
|
8150 |
|
8151 |
{ "kernel", HAS_ARG, QEMU_OPTION_kernel },
|
8152 |
{ "append", HAS_ARG, QEMU_OPTION_append },
|
8153 |
{ "initrd", HAS_ARG, QEMU_OPTION_initrd },
|
8154 |
|
8155 |
{ "S", 0, QEMU_OPTION_S }, |
8156 |
{ "s", 0, QEMU_OPTION_s }, |
8157 |
{ "p", HAS_ARG, QEMU_OPTION_p },
|
8158 |
{ "d", HAS_ARG, QEMU_OPTION_d },
|
8159 |
{ "hdachs", HAS_ARG, QEMU_OPTION_hdachs },
|
8160 |
{ "L", HAS_ARG, QEMU_OPTION_L },
|
8161 |
{ "bios", HAS_ARG, QEMU_OPTION_bios },
|
8162 |
#ifdef USE_KQEMU
|
8163 |
{ "no-kqemu", 0, QEMU_OPTION_no_kqemu }, |
8164 |
{ "kernel-kqemu", 0, QEMU_OPTION_kernel_kqemu }, |
8165 |
#endif
|
8166 |
#if defined(TARGET_PPC) || defined(TARGET_SPARC)
|
8167 |
{ "g", 1, QEMU_OPTION_g }, |
8168 |
#endif
|
8169 |
{ "localtime", 0, QEMU_OPTION_localtime }, |
8170 |
{ "vga", HAS_ARG, QEMU_OPTION_vga },
|
8171 |
{ "echr", HAS_ARG, QEMU_OPTION_echr },
|
8172 |
{ "monitor", HAS_ARG, QEMU_OPTION_monitor },
|
8173 |
{ "serial", HAS_ARG, QEMU_OPTION_serial },
|
8174 |
{ "parallel", HAS_ARG, QEMU_OPTION_parallel },
|
8175 |
{ "loadvm", HAS_ARG, QEMU_OPTION_loadvm },
|
8176 |
{ "full-screen", 0, QEMU_OPTION_full_screen }, |
8177 |
#ifdef CONFIG_SDL
|
8178 |
{ "no-frame", 0, QEMU_OPTION_no_frame }, |
8179 |
{ "alt-grab", 0, QEMU_OPTION_alt_grab }, |
8180 |
{ "no-quit", 0, QEMU_OPTION_no_quit }, |
8181 |
#endif
|
8182 |
{ "pidfile", HAS_ARG, QEMU_OPTION_pidfile },
|
8183 |
{ "win2k-hack", 0, QEMU_OPTION_win2k_hack }, |
8184 |
{ "usbdevice", HAS_ARG, QEMU_OPTION_usbdevice },
|
8185 |
{ "smp", HAS_ARG, QEMU_OPTION_smp },
|
8186 |
{ "vnc", HAS_ARG, QEMU_OPTION_vnc },
|
8187 |
#ifdef CONFIG_CURSES
|
8188 |
{ "curses", 0, QEMU_OPTION_curses }, |
8189 |
#endif
|
8190 |
{ "uuid", HAS_ARG, QEMU_OPTION_uuid },
|
8191 |
|
8192 |
/* temporary options */
|
8193 |
{ "usb", 0, QEMU_OPTION_usb }, |
8194 |
{ "no-acpi", 0, QEMU_OPTION_no_acpi }, |
8195 |
{ "no-reboot", 0, QEMU_OPTION_no_reboot }, |
8196 |
{ "no-shutdown", 0, QEMU_OPTION_no_shutdown }, |
8197 |
{ "show-cursor", 0, QEMU_OPTION_show_cursor }, |
8198 |
{ "daemonize", 0, QEMU_OPTION_daemonize }, |
8199 |
{ "option-rom", HAS_ARG, QEMU_OPTION_option_rom },
|
8200 |
#if defined(TARGET_ARM) || defined(TARGET_M68K)
|
8201 |
{ "semihosting", 0, QEMU_OPTION_semihosting }, |
8202 |
#endif
|
8203 |
{ "name", HAS_ARG, QEMU_OPTION_name },
|
8204 |
#if defined(TARGET_SPARC)
|
8205 |
{ "prom-env", HAS_ARG, QEMU_OPTION_prom_env },
|
8206 |
#endif
|
8207 |
#if defined(TARGET_ARM)
|
8208 |
{ "old-param", 0, QEMU_OPTION_old_param }, |
8209 |
#endif
|
8210 |
{ "clock", HAS_ARG, QEMU_OPTION_clock },
|
8211 |
{ "startdate", HAS_ARG, QEMU_OPTION_startdate },
|
8212 |
{ "tb-size", HAS_ARG, QEMU_OPTION_tb_size },
|
8213 |
{ "icount", HAS_ARG, QEMU_OPTION_icount },
|
8214 |
{ NULL },
|
8215 |
}; |
8216 |
|
8217 |
/* password input */
|
8218 |
|
8219 |
int qemu_key_check(BlockDriverState *bs, const char *name) |
8220 |
{ |
8221 |
char password[256]; |
8222 |
int i;
|
8223 |
|
8224 |
if (!bdrv_is_encrypted(bs))
|
8225 |
return 0; |
8226 |
|
8227 |
term_printf("%s is encrypted.\n", name);
|
8228 |
for(i = 0; i < 3; i++) { |
8229 |
monitor_readline("Password: ", 1, password, sizeof(password)); |
8230 |
if (bdrv_set_key(bs, password) == 0) |
8231 |
return 0; |
8232 |
term_printf("invalid password\n");
|
8233 |
} |
8234 |
return -EPERM;
|
8235 |
} |
8236 |
|
8237 |
static BlockDriverState *get_bdrv(int index) |
8238 |
{ |
8239 |
if (index > nb_drives)
|
8240 |
return NULL; |
8241 |
return drives_table[index].bdrv;
|
8242 |
} |
8243 |
|
8244 |
static void read_passwords(void) |
8245 |
{ |
8246 |
BlockDriverState *bs; |
8247 |
int i;
|
8248 |
|
8249 |
for(i = 0; i < 6; i++) { |
8250 |
bs = get_bdrv(i); |
8251 |
if (bs)
|
8252 |
qemu_key_check(bs, bdrv_get_device_name(bs)); |
8253 |
} |
8254 |
} |
8255 |
|
8256 |
#ifdef HAS_AUDIO
|
8257 |
struct soundhw soundhw[] = {
|
8258 |
#ifdef HAS_AUDIO_CHOICE
|
8259 |
#if defined(TARGET_I386) || defined(TARGET_MIPS)
|
8260 |
{ |
8261 |
"pcspk",
|
8262 |
"PC speaker",
|
8263 |
0,
|
8264 |
1,
|
8265 |
{ .init_isa = pcspk_audio_init } |
8266 |
}, |
8267 |
#endif
|
8268 |
{ |
8269 |
"sb16",
|
8270 |
"Creative Sound Blaster 16",
|
8271 |
0,
|
8272 |
1,
|
8273 |
{ .init_isa = SB16_init } |
8274 |
}, |
8275 |
|
8276 |
#ifdef CONFIG_CS4231A
|
8277 |
{ |
8278 |
"cs4231a",
|
8279 |
"CS4231A",
|
8280 |
0,
|
8281 |
1,
|
8282 |
{ .init_isa = cs4231a_init } |
8283 |
}, |
8284 |
#endif
|
8285 |
|
8286 |
#ifdef CONFIG_ADLIB
|
8287 |
{ |
8288 |
"adlib",
|
8289 |
#ifdef HAS_YMF262
|
8290 |
"Yamaha YMF262 (OPL3)",
|
8291 |
#else
|
8292 |
"Yamaha YM3812 (OPL2)",
|
8293 |
#endif
|
8294 |
0,
|
8295 |
1,
|
8296 |
{ .init_isa = Adlib_init } |
8297 |
}, |
8298 |
#endif
|
8299 |
|
8300 |
#ifdef CONFIG_GUS
|
8301 |
{ |
8302 |
"gus",
|
8303 |
"Gravis Ultrasound GF1",
|
8304 |
0,
|
8305 |
1,
|
8306 |
{ .init_isa = GUS_init } |
8307 |
}, |
8308 |
#endif
|
8309 |
|
8310 |
#ifdef CONFIG_AC97
|
8311 |
{ |
8312 |
"ac97",
|
8313 |
"Intel 82801AA AC97 Audio",
|
8314 |
0,
|
8315 |
0,
|
8316 |
{ .init_pci = ac97_init } |
8317 |
}, |
8318 |
#endif
|
8319 |
|
8320 |
{ |
8321 |
"es1370",
|
8322 |
"ENSONIQ AudioPCI ES1370",
|
8323 |
0,
|
8324 |
0,
|
8325 |
{ .init_pci = es1370_init } |
8326 |
}, |
8327 |
#endif
|
8328 |
|
8329 |
{ NULL, NULL, 0, 0, { NULL } } |
8330 |
}; |
8331 |
|
8332 |
static void select_soundhw (const char *optarg) |
8333 |
{ |
8334 |
struct soundhw *c;
|
8335 |
|
8336 |
if (*optarg == '?') { |
8337 |
show_valid_cards:
|
8338 |
|
8339 |
printf ("Valid sound card names (comma separated):\n");
|
8340 |
for (c = soundhw; c->name; ++c) {
|
8341 |
printf ("%-11s %s\n", c->name, c->descr);
|
8342 |
} |
8343 |
printf ("\n-soundhw all will enable all of the above\n");
|
8344 |
exit (*optarg != '?');
|
8345 |
} |
8346 |
else {
|
8347 |
size_t l; |
8348 |
const char *p; |
8349 |
char *e;
|
8350 |
int bad_card = 0; |
8351 |
|
8352 |
if (!strcmp (optarg, "all")) { |
8353 |
for (c = soundhw; c->name; ++c) {
|
8354 |
c->enabled = 1;
|
8355 |
} |
8356 |
return;
|
8357 |
} |
8358 |
|
8359 |
p = optarg; |
8360 |
while (*p) {
|
8361 |
e = strchr (p, ',');
|
8362 |
l = !e ? strlen (p) : (size_t) (e - p); |
8363 |
|
8364 |
for (c = soundhw; c->name; ++c) {
|
8365 |
if (!strncmp (c->name, p, l)) {
|
8366 |
c->enabled = 1;
|
8367 |
break;
|
8368 |
} |
8369 |
} |
8370 |
|
8371 |
if (!c->name) {
|
8372 |
if (l > 80) { |
8373 |
fprintf (stderr, |
8374 |
"Unknown sound card name (too big to show)\n");
|
8375 |
} |
8376 |
else {
|
8377 |
fprintf (stderr, "Unknown sound card name `%.*s'\n",
|
8378 |
(int) l, p);
|
8379 |
} |
8380 |
bad_card = 1;
|
8381 |
} |
8382 |
p += l + (e != NULL);
|
8383 |
} |
8384 |
|
8385 |
if (bad_card)
|
8386 |
goto show_valid_cards;
|
8387 |
} |
8388 |
} |
8389 |
#endif
|
8390 |
|
8391 |
static void select_vgahw (const char *p) |
8392 |
{ |
8393 |
const char *opts; |
8394 |
|
8395 |
if (strstart(p, "std", &opts)) { |
8396 |
cirrus_vga_enabled = 0;
|
8397 |
vmsvga_enabled = 0;
|
8398 |
} else if (strstart(p, "cirrus", &opts)) { |
8399 |
cirrus_vga_enabled = 1;
|
8400 |
vmsvga_enabled = 0;
|
8401 |
} else if (strstart(p, "vmware", &opts)) { |
8402 |
cirrus_vga_enabled = 0;
|
8403 |
vmsvga_enabled = 1;
|
8404 |
} else {
|
8405 |
invalid_vga:
|
8406 |
fprintf(stderr, "Unknown vga type: %s\n", p);
|
8407 |
exit(1);
|
8408 |
} |
8409 |
while (*opts) {
|
8410 |
const char *nextopt; |
8411 |
|
8412 |
if (strstart(opts, ",retrace=", &nextopt)) { |
8413 |
opts = nextopt; |
8414 |
if (strstart(opts, "dumb", &nextopt)) |
8415 |
vga_retrace_method = VGA_RETRACE_DUMB; |
8416 |
else if (strstart(opts, "precise", &nextopt)) |
8417 |
vga_retrace_method = VGA_RETRACE_PRECISE; |
8418 |
else goto invalid_vga; |
8419 |
} else goto invalid_vga; |
8420 |
opts = nextopt; |
8421 |
} |
8422 |
} |
8423 |
|
8424 |
#ifdef _WIN32
|
8425 |
static BOOL WINAPI qemu_ctrl_handler(DWORD type)
|
8426 |
{ |
8427 |
exit(STATUS_CONTROL_C_EXIT); |
8428 |
return TRUE;
|
8429 |
} |
8430 |
#endif
|
8431 |
|
8432 |
static int qemu_uuid_parse(const char *str, uint8_t *uuid) |
8433 |
{ |
8434 |
int ret;
|
8435 |
|
8436 |
if(strlen(str) != 36) |
8437 |
return -1; |
8438 |
|
8439 |
ret = sscanf(str, UUID_FMT, &uuid[0], &uuid[1], &uuid[2], &uuid[3], |
8440 |
&uuid[4], &uuid[5], &uuid[6], &uuid[7], &uuid[8], &uuid[9], |
8441 |
&uuid[10], &uuid[11], &uuid[12], &uuid[13], &uuid[14], &uuid[15]); |
8442 |
|
8443 |
if(ret != 16) |
8444 |
return -1; |
8445 |
|
8446 |
return 0; |
8447 |
} |
8448 |
|
8449 |
#define MAX_NET_CLIENTS 32 |
8450 |
|
8451 |
#ifndef _WIN32
|
8452 |
|
8453 |
static void termsig_handler(int signal) |
8454 |
{ |
8455 |
qemu_system_shutdown_request(); |
8456 |
} |
8457 |
|
8458 |
static void termsig_setup(void) |
8459 |
{ |
8460 |
struct sigaction act;
|
8461 |
|
8462 |
memset(&act, 0, sizeof(act)); |
8463 |
act.sa_handler = termsig_handler; |
8464 |
sigaction(SIGINT, &act, NULL);
|
8465 |
sigaction(SIGHUP, &act, NULL);
|
8466 |
sigaction(SIGTERM, &act, NULL);
|
8467 |
} |
8468 |
|
8469 |
#endif
|
8470 |
|
8471 |
int main(int argc, char **argv) |
8472 |
{ |
8473 |
#ifdef CONFIG_GDBSTUB
|
8474 |
int use_gdbstub;
|
8475 |
const char *gdbstub_port; |
8476 |
#endif
|
8477 |
uint32_t boot_devices_bitmap = 0;
|
8478 |
int i;
|
8479 |
int snapshot, linux_boot, net_boot;
|
8480 |
const char *initrd_filename; |
8481 |
const char *kernel_filename, *kernel_cmdline; |
8482 |
const char *boot_devices = ""; |
8483 |
DisplayState *ds = &display_state; |
8484 |
int cyls, heads, secs, translation;
|
8485 |
const char *net_clients[MAX_NET_CLIENTS]; |
8486 |
int nb_net_clients;
|
8487 |
int hda_index;
|
8488 |
int optind;
|
8489 |
const char *r, *optarg; |
8490 |
CharDriverState *monitor_hd; |
8491 |
const char *monitor_device; |
8492 |
const char *serial_devices[MAX_SERIAL_PORTS]; |
8493 |
int serial_device_index;
|
8494 |
const char *parallel_devices[MAX_PARALLEL_PORTS]; |
8495 |
int parallel_device_index;
|
8496 |
const char *loadvm = NULL; |
8497 |
QEMUMachine *machine; |
8498 |
const char *cpu_model; |
8499 |
const char *usb_devices[MAX_USB_CMDLINE]; |
8500 |
int usb_devices_index;
|
8501 |
int fds[2]; |
8502 |
int tb_size;
|
8503 |
const char *pid_file = NULL; |
8504 |
VLANState *vlan; |
8505 |
|
8506 |
LIST_INIT (&vm_change_state_head); |
8507 |
#ifndef _WIN32
|
8508 |
{ |
8509 |
struct sigaction act;
|
8510 |
sigfillset(&act.sa_mask); |
8511 |
act.sa_flags = 0;
|
8512 |
act.sa_handler = SIG_IGN; |
8513 |
sigaction(SIGPIPE, &act, NULL);
|
8514 |
} |
8515 |
#else
|
8516 |
SetConsoleCtrlHandler(qemu_ctrl_handler, TRUE); |
8517 |
/* Note: cpu_interrupt() is currently not SMP safe, so we force
|
8518 |
QEMU to run on a single CPU */
|
8519 |
{ |
8520 |
HANDLE h; |
8521 |
DWORD mask, smask; |
8522 |
int i;
|
8523 |
h = GetCurrentProcess(); |
8524 |
if (GetProcessAffinityMask(h, &mask, &smask)) {
|
8525 |
for(i = 0; i < 32; i++) { |
8526 |
if (mask & (1 << i)) |
8527 |
break;
|
8528 |
} |
8529 |
if (i != 32) { |
8530 |
mask = 1 << i;
|
8531 |
SetProcessAffinityMask(h, mask); |
8532 |
} |
8533 |
} |
8534 |
} |
8535 |
#endif
|
8536 |
|
8537 |
register_machines(); |
8538 |
machine = first_machine; |
8539 |
cpu_model = NULL;
|
8540 |
initrd_filename = NULL;
|
8541 |
ram_size = 0;
|
8542 |
vga_ram_size = VGA_RAM_SIZE; |
8543 |
#ifdef CONFIG_GDBSTUB
|
8544 |
use_gdbstub = 0;
|
8545 |
gdbstub_port = DEFAULT_GDBSTUB_PORT; |
8546 |
#endif
|
8547 |
snapshot = 0;
|
8548 |
nographic = 0;
|
8549 |
curses = 0;
|
8550 |
kernel_filename = NULL;
|
8551 |
kernel_cmdline = "";
|
8552 |
cyls = heads = secs = 0;
|
8553 |
translation = BIOS_ATA_TRANSLATION_AUTO; |
8554 |
monitor_device = "vc";
|
8555 |
|
8556 |
serial_devices[0] = "vc:80Cx24C"; |
8557 |
for(i = 1; i < MAX_SERIAL_PORTS; i++) |
8558 |
serial_devices[i] = NULL;
|
8559 |
serial_device_index = 0;
|
8560 |
|
8561 |
parallel_devices[0] = "vc:640x480"; |
8562 |
for(i = 1; i < MAX_PARALLEL_PORTS; i++) |
8563 |
parallel_devices[i] = NULL;
|
8564 |
parallel_device_index = 0;
|
8565 |
|
8566 |
usb_devices_index = 0;
|
8567 |
|
8568 |
nb_net_clients = 0;
|
8569 |
nb_drives = 0;
|
8570 |
nb_drives_opt = 0;
|
8571 |
hda_index = -1;
|
8572 |
|
8573 |
nb_nics = 0;
|
8574 |
|
8575 |
tb_size = 0;
|
8576 |
|
8577 |
optind = 1;
|
8578 |
for(;;) {
|
8579 |
if (optind >= argc)
|
8580 |
break;
|
8581 |
r = argv[optind]; |
8582 |
if (r[0] != '-') { |
8583 |
hda_index = drive_add(argv[optind++], HD_ALIAS, 0);
|
8584 |
} else {
|
8585 |
const QEMUOption *popt;
|
8586 |
|
8587 |
optind++; |
8588 |
/* Treat --foo the same as -foo. */
|
8589 |
if (r[1] == '-') |
8590 |
r++; |
8591 |
popt = qemu_options; |
8592 |
for(;;) {
|
8593 |
if (!popt->name) {
|
8594 |
fprintf(stderr, "%s: invalid option -- '%s'\n",
|
8595 |
argv[0], r);
|
8596 |
exit(1);
|
8597 |
} |
8598 |
if (!strcmp(popt->name, r + 1)) |
8599 |
break;
|
8600 |
popt++; |
8601 |
} |
8602 |
if (popt->flags & HAS_ARG) {
|
8603 |
if (optind >= argc) {
|
8604 |
fprintf(stderr, "%s: option '%s' requires an argument\n",
|
8605 |
argv[0], r);
|
8606 |
exit(1);
|
8607 |
} |
8608 |
optarg = argv[optind++]; |
8609 |
} else {
|
8610 |
optarg = NULL;
|
8611 |
} |
8612 |
|
8613 |
switch(popt->index) {
|
8614 |
case QEMU_OPTION_M:
|
8615 |
machine = find_machine(optarg); |
8616 |
if (!machine) {
|
8617 |
QEMUMachine *m; |
8618 |
printf("Supported machines are:\n");
|
8619 |
for(m = first_machine; m != NULL; m = m->next) { |
8620 |
printf("%-10s %s%s\n",
|
8621 |
m->name, m->desc, |
8622 |
m == first_machine ? " (default)" : ""); |
8623 |
} |
8624 |
exit(*optarg != '?');
|
8625 |
} |
8626 |
break;
|
8627 |
case QEMU_OPTION_cpu:
|
8628 |
/* hw initialization will check this */
|
8629 |
if (*optarg == '?') { |
8630 |
/* XXX: implement xxx_cpu_list for targets that still miss it */
|
8631 |
#if defined(cpu_list)
|
8632 |
cpu_list(stdout, &fprintf); |
8633 |
#endif
|
8634 |
exit(0);
|
8635 |
} else {
|
8636 |
cpu_model = optarg; |
8637 |
} |
8638 |
break;
|
8639 |
case QEMU_OPTION_initrd:
|
8640 |
initrd_filename = optarg; |
8641 |
break;
|
8642 |
case QEMU_OPTION_hda:
|
8643 |
if (cyls == 0) |
8644 |
hda_index = drive_add(optarg, HD_ALIAS, 0);
|
8645 |
else
|
8646 |
hda_index = drive_add(optarg, HD_ALIAS |
8647 |
",cyls=%d,heads=%d,secs=%d%s",
|
8648 |
0, cyls, heads, secs,
|
8649 |
translation == BIOS_ATA_TRANSLATION_LBA ? |
8650 |
",trans=lba" :
|
8651 |
translation == BIOS_ATA_TRANSLATION_NONE ? |
8652 |
",trans=none" : ""); |
8653 |
break;
|
8654 |
case QEMU_OPTION_hdb:
|
8655 |
case QEMU_OPTION_hdc:
|
8656 |
case QEMU_OPTION_hdd:
|
8657 |
drive_add(optarg, HD_ALIAS, popt->index - QEMU_OPTION_hda); |
8658 |
break;
|
8659 |
case QEMU_OPTION_drive:
|
8660 |
drive_add(NULL, "%s", optarg); |
8661 |
break;
|
8662 |
case QEMU_OPTION_mtdblock:
|
8663 |
drive_add(optarg, MTD_ALIAS); |
8664 |
break;
|
8665 |
case QEMU_OPTION_sd:
|
8666 |
drive_add(optarg, SD_ALIAS); |
8667 |
break;
|
8668 |
case QEMU_OPTION_pflash:
|
8669 |
drive_add(optarg, PFLASH_ALIAS); |
8670 |
break;
|
8671 |
case QEMU_OPTION_snapshot:
|
8672 |
snapshot = 1;
|
8673 |
break;
|
8674 |
case QEMU_OPTION_hdachs:
|
8675 |
{ |
8676 |
const char *p; |
8677 |
p = optarg; |
8678 |
cyls = strtol(p, (char **)&p, 0); |
8679 |
if (cyls < 1 || cyls > 16383) |
8680 |
goto chs_fail;
|
8681 |
if (*p != ',') |
8682 |
goto chs_fail;
|
8683 |
p++; |
8684 |
heads = strtol(p, (char **)&p, 0); |
8685 |
if (heads < 1 || heads > 16) |
8686 |
goto chs_fail;
|
8687 |
if (*p != ',') |
8688 |
goto chs_fail;
|
8689 |
p++; |
8690 |
secs = strtol(p, (char **)&p, 0); |
8691 |
if (secs < 1 || secs > 63) |
8692 |
goto chs_fail;
|
8693 |
if (*p == ',') { |
8694 |
p++; |
8695 |
if (!strcmp(p, "none")) |
8696 |
translation = BIOS_ATA_TRANSLATION_NONE; |
8697 |
else if (!strcmp(p, "lba")) |
8698 |
translation = BIOS_ATA_TRANSLATION_LBA; |
8699 |
else if (!strcmp(p, "auto")) |
8700 |
translation = BIOS_ATA_TRANSLATION_AUTO; |
8701 |
else
|
8702 |
goto chs_fail;
|
8703 |
} else if (*p != '\0') { |
8704 |
chs_fail:
|
8705 |
fprintf(stderr, "qemu: invalid physical CHS format\n");
|
8706 |
exit(1);
|
8707 |
} |
8708 |
if (hda_index != -1) |
8709 |
snprintf(drives_opt[hda_index].opt, |
8710 |
sizeof(drives_opt[hda_index].opt),
|
8711 |
HD_ALIAS ",cyls=%d,heads=%d,secs=%d%s",
|
8712 |
0, cyls, heads, secs,
|
8713 |
translation == BIOS_ATA_TRANSLATION_LBA ? |
8714 |
",trans=lba" :
|
8715 |
translation == BIOS_ATA_TRANSLATION_NONE ? |
8716 |
",trans=none" : ""); |
8717 |
} |
8718 |
break;
|
8719 |
case QEMU_OPTION_nographic:
|
8720 |
nographic = 1;
|
8721 |
break;
|
8722 |
#ifdef CONFIG_CURSES
|
8723 |
case QEMU_OPTION_curses:
|
8724 |
curses = 1;
|
8725 |
break;
|
8726 |
#endif
|
8727 |
case QEMU_OPTION_portrait:
|
8728 |
graphic_rotate = 1;
|
8729 |
break;
|
8730 |
case QEMU_OPTION_kernel:
|
8731 |
kernel_filename = optarg; |
8732 |
break;
|
8733 |
case QEMU_OPTION_append:
|
8734 |
kernel_cmdline = optarg; |
8735 |
break;
|
8736 |
case QEMU_OPTION_cdrom:
|
8737 |
drive_add(optarg, CDROM_ALIAS); |
8738 |
break;
|
8739 |
case QEMU_OPTION_boot:
|
8740 |
boot_devices = optarg; |
8741 |
/* We just do some generic consistency checks */
|
8742 |
{ |
8743 |
/* Could easily be extended to 64 devices if needed */
|
8744 |
const char *p; |
8745 |
|
8746 |
boot_devices_bitmap = 0;
|
8747 |
for (p = boot_devices; *p != '\0'; p++) { |
8748 |
/* Allowed boot devices are:
|
8749 |
* a b : floppy disk drives
|
8750 |
* c ... f : IDE disk drives
|
8751 |
* g ... m : machine implementation dependant drives
|
8752 |
* n ... p : network devices
|
8753 |
* It's up to each machine implementation to check
|
8754 |
* if the given boot devices match the actual hardware
|
8755 |
* implementation and firmware features.
|
8756 |
*/
|
8757 |
if (*p < 'a' || *p > 'q') { |
8758 |
fprintf(stderr, "Invalid boot device '%c'\n", *p);
|
8759 |
exit(1);
|
8760 |
} |
8761 |
if (boot_devices_bitmap & (1 << (*p - 'a'))) { |
8762 |
fprintf(stderr, |
8763 |
"Boot device '%c' was given twice\n",*p);
|
8764 |
exit(1);
|
8765 |
} |
8766 |
boot_devices_bitmap |= 1 << (*p - 'a'); |
8767 |
} |
8768 |
} |
8769 |
break;
|
8770 |
case QEMU_OPTION_fda:
|
8771 |
case QEMU_OPTION_fdb:
|
8772 |
drive_add(optarg, FD_ALIAS, popt->index - QEMU_OPTION_fda); |
8773 |
break;
|
8774 |
#ifdef TARGET_I386
|
8775 |
case QEMU_OPTION_no_fd_bootchk:
|
8776 |
fd_bootchk = 0;
|
8777 |
break;
|
8778 |
#endif
|
8779 |
case QEMU_OPTION_net:
|
8780 |
if (nb_net_clients >= MAX_NET_CLIENTS) {
|
8781 |
fprintf(stderr, "qemu: too many network clients\n");
|
8782 |
exit(1);
|
8783 |
} |
8784 |
net_clients[nb_net_clients] = optarg; |
8785 |
nb_net_clients++; |
8786 |
break;
|
8787 |
#ifdef CONFIG_SLIRP
|
8788 |
case QEMU_OPTION_tftp:
|
8789 |
tftp_prefix = optarg; |
8790 |
break;
|
8791 |
case QEMU_OPTION_bootp:
|
8792 |
bootp_filename = optarg; |
8793 |
break;
|
8794 |
#ifndef _WIN32
|
8795 |
case QEMU_OPTION_smb:
|
8796 |
net_slirp_smb(optarg); |
8797 |
break;
|
8798 |
#endif
|
8799 |
case QEMU_OPTION_redir:
|
8800 |
net_slirp_redir(optarg); |
8801 |
break;
|
8802 |
#endif
|
8803 |
#ifdef HAS_AUDIO
|
8804 |
case QEMU_OPTION_audio_help:
|
8805 |
AUD_help (); |
8806 |
exit (0);
|
8807 |
break;
|
8808 |
case QEMU_OPTION_soundhw:
|
8809 |
select_soundhw (optarg); |
8810 |
break;
|
8811 |
#endif
|
8812 |
case QEMU_OPTION_h:
|
8813 |
help(0);
|
8814 |
break;
|
8815 |
case QEMU_OPTION_m: {
|
8816 |
uint64_t value; |
8817 |
char *ptr;
|
8818 |
|
8819 |
value = strtoul(optarg, &ptr, 10);
|
8820 |
switch (*ptr) {
|
8821 |
case 0: case 'M': case 'm': |
8822 |
value <<= 20;
|
8823 |
break;
|
8824 |
case 'G': case 'g': |
8825 |
value <<= 30;
|
8826 |
break;
|
8827 |
default:
|
8828 |
fprintf(stderr, "qemu: invalid ram size: %s\n", optarg);
|
8829 |
exit(1);
|
8830 |
} |
8831 |
|
8832 |
/* On 32-bit hosts, QEMU is limited by virtual address space */
|
8833 |
if (value > (2047 << 20) |
8834 |
#ifndef USE_KQEMU
|
8835 |
&& HOST_LONG_BITS == 32
|
8836 |
#endif
|
8837 |
) { |
8838 |
fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
|
8839 |
exit(1);
|
8840 |
} |
8841 |
if (value != (uint64_t)(ram_addr_t)value) {
|
8842 |
fprintf(stderr, "qemu: ram size too large\n");
|
8843 |
exit(1);
|
8844 |
} |
8845 |
ram_size = value; |
8846 |
break;
|
8847 |
} |
8848 |
case QEMU_OPTION_d:
|
8849 |
{ |
8850 |
int mask;
|
8851 |
CPULogItem *item; |
8852 |
|
8853 |
mask = cpu_str_to_log_mask(optarg); |
8854 |
if (!mask) {
|
8855 |
printf("Log items (comma separated):\n");
|
8856 |
for(item = cpu_log_items; item->mask != 0; item++) { |
8857 |
printf("%-10s %s\n", item->name, item->help);
|
8858 |
} |
8859 |
exit(1);
|
8860 |
} |
8861 |
cpu_set_log(mask); |
8862 |
} |
8863 |
break;
|
8864 |
#ifdef CONFIG_GDBSTUB
|
8865 |
case QEMU_OPTION_s:
|
8866 |
use_gdbstub = 1;
|
8867 |
break;
|
8868 |
case QEMU_OPTION_p:
|
8869 |
gdbstub_port = optarg; |
8870 |
break;
|
8871 |
#endif
|
8872 |
case QEMU_OPTION_L:
|
8873 |
bios_dir = optarg; |
8874 |
break;
|
8875 |
case QEMU_OPTION_bios:
|
8876 |
bios_name = optarg; |
8877 |
break;
|
8878 |
case QEMU_OPTION_S:
|
8879 |
autostart = 0;
|
8880 |
break;
|
8881 |
case QEMU_OPTION_k:
|
8882 |
keyboard_layout = optarg; |
8883 |
break;
|
8884 |
case QEMU_OPTION_localtime:
|
8885 |
rtc_utc = 0;
|
8886 |
break;
|
8887 |
case QEMU_OPTION_vga:
|
8888 |
select_vgahw (optarg); |
8889 |
break;
|
8890 |
case QEMU_OPTION_g:
|
8891 |
{ |
8892 |
const char *p; |
8893 |
int w, h, depth;
|
8894 |
p = optarg; |
8895 |
w = strtol(p, (char **)&p, 10); |
8896 |
if (w <= 0) { |
8897 |
graphic_error:
|
8898 |
fprintf(stderr, "qemu: invalid resolution or depth\n");
|
8899 |
exit(1);
|
8900 |
} |
8901 |
if (*p != 'x') |
8902 |
goto graphic_error;
|
8903 |
p++; |
8904 |
h = strtol(p, (char **)&p, 10); |
8905 |
if (h <= 0) |
8906 |
goto graphic_error;
|
8907 |
if (*p == 'x') { |
8908 |
p++; |
8909 |
depth = strtol(p, (char **)&p, 10); |
8910 |
if (depth != 8 && depth != 15 && depth != 16 && |
8911 |
depth != 24 && depth != 32) |
8912 |
goto graphic_error;
|
8913 |
} else if (*p == '\0') { |
8914 |
depth = graphic_depth; |
8915 |
} else {
|
8916 |
goto graphic_error;
|
8917 |
} |
8918 |
|
8919 |
graphic_width = w; |
8920 |
graphic_height = h; |
8921 |
graphic_depth = depth; |
8922 |
} |
8923 |
break;
|
8924 |
case QEMU_OPTION_echr:
|
8925 |
{ |
8926 |
char *r;
|
8927 |
term_escape_char = strtol(optarg, &r, 0);
|
8928 |
if (r == optarg)
|
8929 |
printf("Bad argument to echr\n");
|
8930 |
break;
|
8931 |
} |
8932 |
case QEMU_OPTION_monitor:
|
8933 |
monitor_device = optarg; |
8934 |
break;
|
8935 |
case QEMU_OPTION_serial:
|
8936 |
if (serial_device_index >= MAX_SERIAL_PORTS) {
|
8937 |
fprintf(stderr, "qemu: too many serial ports\n");
|
8938 |
exit(1);
|
8939 |
} |
8940 |
serial_devices[serial_device_index] = optarg; |
8941 |
serial_device_index++; |
8942 |
break;
|
8943 |
case QEMU_OPTION_parallel:
|
8944 |
if (parallel_device_index >= MAX_PARALLEL_PORTS) {
|
8945 |
fprintf(stderr, "qemu: too many parallel ports\n");
|
8946 |
exit(1);
|
8947 |
} |
8948 |
parallel_devices[parallel_device_index] = optarg; |
8949 |
parallel_device_index++; |
8950 |
break;
|
8951 |
case QEMU_OPTION_loadvm:
|
8952 |
loadvm = optarg; |
8953 |
break;
|
8954 |
case QEMU_OPTION_full_screen:
|
8955 |
full_screen = 1;
|
8956 |
break;
|
8957 |
#ifdef CONFIG_SDL
|
8958 |
case QEMU_OPTION_no_frame:
|
8959 |
no_frame = 1;
|
8960 |
break;
|
8961 |
case QEMU_OPTION_alt_grab:
|
8962 |
alt_grab = 1;
|
8963 |
break;
|
8964 |
case QEMU_OPTION_no_quit:
|
8965 |
no_quit = 1;
|
8966 |
break;
|
8967 |
#endif
|
8968 |
case QEMU_OPTION_pidfile:
|
8969 |
pid_file = optarg; |
8970 |
break;
|
8971 |
#ifdef TARGET_I386
|
8972 |
case QEMU_OPTION_win2k_hack:
|
8973 |
win2k_install_hack = 1;
|
8974 |
break;
|
8975 |
#endif
|
8976 |
#ifdef USE_KQEMU
|
8977 |
case QEMU_OPTION_no_kqemu:
|
8978 |
kqemu_allowed = 0;
|
8979 |
break;
|
8980 |
case QEMU_OPTION_kernel_kqemu:
|
8981 |
kqemu_allowed = 2;
|
8982 |
break;
|
8983 |
#endif
|
8984 |
case QEMU_OPTION_usb:
|
8985 |
usb_enabled = 1;
|
8986 |
break;
|
8987 |
case QEMU_OPTION_usbdevice:
|
8988 |
usb_enabled = 1;
|
8989 |
if (usb_devices_index >= MAX_USB_CMDLINE) {
|
8990 |
fprintf(stderr, "Too many USB devices\n");
|
8991 |
exit(1);
|
8992 |
} |
8993 |
usb_devices[usb_devices_index] = optarg; |
8994 |
usb_devices_index++; |
8995 |
break;
|
8996 |
case QEMU_OPTION_smp:
|
8997 |
smp_cpus = atoi(optarg); |
8998 |
if (smp_cpus < 1 || smp_cpus > MAX_CPUS) { |
8999 |
fprintf(stderr, "Invalid number of CPUs\n");
|
9000 |
exit(1);
|
9001 |
} |
9002 |
break;
|
9003 |
case QEMU_OPTION_vnc:
|
9004 |
vnc_display = optarg; |
9005 |
break;
|
9006 |
case QEMU_OPTION_no_acpi:
|
9007 |
acpi_enabled = 0;
|
9008 |
break;
|
9009 |
case QEMU_OPTION_no_reboot:
|
9010 |
no_reboot = 1;
|
9011 |
break;
|
9012 |
case QEMU_OPTION_no_shutdown:
|
9013 |
no_shutdown = 1;
|
9014 |
break;
|
9015 |
case QEMU_OPTION_show_cursor:
|
9016 |
cursor_hide = 0;
|
9017 |
break;
|
9018 |
case QEMU_OPTION_uuid:
|
9019 |
if(qemu_uuid_parse(optarg, qemu_uuid) < 0) { |
9020 |
fprintf(stderr, "Fail to parse UUID string."
|
9021 |
" Wrong format.\n");
|
9022 |
exit(1);
|
9023 |
} |
9024 |
break;
|
9025 |
case QEMU_OPTION_daemonize:
|
9026 |
daemonize = 1;
|
9027 |
break;
|
9028 |
case QEMU_OPTION_option_rom:
|
9029 |
if (nb_option_roms >= MAX_OPTION_ROMS) {
|
9030 |
fprintf(stderr, "Too many option ROMs\n");
|
9031 |
exit(1);
|
9032 |
} |
9033 |
option_rom[nb_option_roms] = optarg; |
9034 |
nb_option_roms++; |
9035 |
break;
|
9036 |
case QEMU_OPTION_semihosting:
|
9037 |
semihosting_enabled = 1;
|
9038 |
break;
|
9039 |
case QEMU_OPTION_name:
|
9040 |
qemu_name = optarg; |
9041 |
break;
|
9042 |
#ifdef TARGET_SPARC
|
9043 |
case QEMU_OPTION_prom_env:
|
9044 |
if (nb_prom_envs >= MAX_PROM_ENVS) {
|
9045 |
fprintf(stderr, "Too many prom variables\n");
|
9046 |
exit(1);
|
9047 |
} |
9048 |
prom_envs[nb_prom_envs] = optarg; |
9049 |
nb_prom_envs++; |
9050 |
break;
|
9051 |
#endif
|
9052 |
#ifdef TARGET_ARM
|
9053 |
case QEMU_OPTION_old_param:
|
9054 |
old_param = 1;
|
9055 |
break;
|
9056 |
#endif
|
9057 |
case QEMU_OPTION_clock:
|
9058 |
configure_alarms(optarg); |
9059 |
break;
|
9060 |
case QEMU_OPTION_startdate:
|
9061 |
{ |
9062 |
struct tm tm;
|
9063 |
time_t rtc_start_date; |
9064 |
if (!strcmp(optarg, "now")) { |
9065 |
rtc_date_offset = -1;
|
9066 |
} else {
|
9067 |
if (sscanf(optarg, "%d-%d-%dT%d:%d:%d", |
9068 |
&tm.tm_year, |
9069 |
&tm.tm_mon, |
9070 |
&tm.tm_mday, |
9071 |
&tm.tm_hour, |
9072 |
&tm.tm_min, |
9073 |
&tm.tm_sec) == 6) {
|
9074 |
/* OK */
|
9075 |
} else if (sscanf(optarg, "%d-%d-%d", |
9076 |
&tm.tm_year, |
9077 |
&tm.tm_mon, |
9078 |
&tm.tm_mday) == 3) {
|
9079 |
tm.tm_hour = 0;
|
9080 |
tm.tm_min = 0;
|
9081 |
tm.tm_sec = 0;
|
9082 |
} else {
|
9083 |
goto date_fail;
|
9084 |
} |
9085 |
tm.tm_year -= 1900;
|
9086 |
tm.tm_mon--; |
9087 |
rtc_start_date = mktimegm(&tm); |
9088 |
if (rtc_start_date == -1) { |
9089 |
date_fail:
|
9090 |
fprintf(stderr, "Invalid date format. Valid format are:\n"
|
9091 |
"'now' or '2006-06-17T16:01:21' or '2006-06-17'\n");
|
9092 |
exit(1);
|
9093 |
} |
9094 |
rtc_date_offset = time(NULL) - rtc_start_date;
|
9095 |
} |
9096 |
} |
9097 |
break;
|
9098 |
case QEMU_OPTION_tb_size:
|
9099 |
tb_size = strtol(optarg, NULL, 0); |
9100 |
if (tb_size < 0) |
9101 |
tb_size = 0;
|
9102 |
break;
|
9103 |
case QEMU_OPTION_icount:
|
9104 |
use_icount = 1;
|
9105 |
if (strcmp(optarg, "auto") == 0) { |
9106 |
icount_time_shift = -1;
|
9107 |
} else {
|
9108 |
icount_time_shift = strtol(optarg, NULL, 0); |
9109 |
} |
9110 |
break;
|
9111 |
} |
9112 |
} |
9113 |
} |
9114 |
|
9115 |
if (nographic) {
|
9116 |
if (serial_device_index == 0) |
9117 |
serial_devices[0] = "stdio"; |
9118 |
if (parallel_device_index == 0) |
9119 |
parallel_devices[0] = "null"; |
9120 |
if (strncmp(monitor_device, "vc", 2) == 0) |
9121 |
monitor_device = "stdio";
|
9122 |
} |
9123 |
|
9124 |
#ifndef _WIN32
|
9125 |
if (daemonize) {
|
9126 |
pid_t pid; |
9127 |
|
9128 |
if (pipe(fds) == -1) |
9129 |
exit(1);
|
9130 |
|
9131 |
pid = fork(); |
9132 |
if (pid > 0) { |
9133 |
uint8_t status; |
9134 |
ssize_t len; |
9135 |
|
9136 |
close(fds[1]);
|
9137 |
|
9138 |
again:
|
9139 |
len = read(fds[0], &status, 1); |
9140 |
if (len == -1 && (errno == EINTR)) |
9141 |
goto again;
|
9142 |
|
9143 |
if (len != 1) |
9144 |
exit(1);
|
9145 |
else if (status == 1) { |
9146 |
fprintf(stderr, "Could not acquire pidfile\n");
|
9147 |
exit(1);
|
9148 |
} else
|
9149 |
exit(0);
|
9150 |
} else if (pid < 0) |
9151 |
exit(1);
|
9152 |
|
9153 |
setsid(); |
9154 |
|
9155 |
pid = fork(); |
9156 |
if (pid > 0) |
9157 |
exit(0);
|
9158 |
else if (pid < 0) |
9159 |
exit(1);
|
9160 |
|
9161 |
umask(027);
|
9162 |
|
9163 |
signal(SIGTSTP, SIG_IGN); |
9164 |
signal(SIGTTOU, SIG_IGN); |
9165 |
signal(SIGTTIN, SIG_IGN); |
9166 |
} |
9167 |
#endif
|
9168 |
|
9169 |
if (pid_file && qemu_create_pidfile(pid_file) != 0) { |
9170 |
if (daemonize) {
|
9171 |
uint8_t status = 1;
|
9172 |
write(fds[1], &status, 1); |
9173 |
} else
|
9174 |
fprintf(stderr, "Could not acquire pid file\n");
|
9175 |
exit(1);
|
9176 |
} |
9177 |
|
9178 |
#ifdef USE_KQEMU
|
9179 |
if (smp_cpus > 1) |
9180 |
kqemu_allowed = 0;
|
9181 |
#endif
|
9182 |
linux_boot = (kernel_filename != NULL);
|
9183 |
net_boot = (boot_devices_bitmap >> ('n' - 'a')) & 0xF; |
9184 |
|
9185 |
if (!linux_boot && net_boot == 0 && |
9186 |
!machine->nodisk_ok && nb_drives_opt == 0)
|
9187 |
help(1);
|
9188 |
|
9189 |
if (!linux_boot && *kernel_cmdline != '\0') { |
9190 |
fprintf(stderr, "-append only allowed with -kernel option\n");
|
9191 |
exit(1);
|
9192 |
} |
9193 |
|
9194 |
if (!linux_boot && initrd_filename != NULL) { |
9195 |
fprintf(stderr, "-initrd only allowed with -kernel option\n");
|
9196 |
exit(1);
|
9197 |
} |
9198 |
|
9199 |
/* boot to floppy or the default cd if no hard disk defined yet */
|
9200 |
if (!boot_devices[0]) { |
9201 |
boot_devices = "cad";
|
9202 |
} |
9203 |
setvbuf(stdout, NULL, _IOLBF, 0); |
9204 |
|
9205 |
init_timers(); |
9206 |
init_timer_alarm(); |
9207 |
if (use_icount && icount_time_shift < 0) { |
9208 |
use_icount = 2;
|
9209 |
/* 125MIPS seems a reasonable initial guess at the guest speed.
|
9210 |
It will be corrected fairly quickly anyway. */
|
9211 |
icount_time_shift = 3;
|
9212 |
init_icount_adjust(); |
9213 |
} |
9214 |
|
9215 |
#ifdef _WIN32
|
9216 |
socket_init(); |
9217 |
#endif
|
9218 |
|
9219 |
/* init network clients */
|
9220 |
if (nb_net_clients == 0) { |
9221 |
/* if no clients, we use a default config */
|
9222 |
net_clients[nb_net_clients++] = "nic";
|
9223 |
#ifdef CONFIG_SLIRP
|
9224 |
net_clients[nb_net_clients++] = "user";
|
9225 |
#endif
|
9226 |
} |
9227 |
|
9228 |
for(i = 0;i < nb_net_clients; i++) { |
9229 |
if (net_client_parse(net_clients[i]) < 0) |
9230 |
exit(1);
|
9231 |
} |
9232 |
for(vlan = first_vlan; vlan != NULL; vlan = vlan->next) { |
9233 |
if (vlan->nb_guest_devs == 0 && vlan->nb_host_devs == 0) |
9234 |
continue;
|
9235 |
if (vlan->nb_guest_devs == 0) |
9236 |
fprintf(stderr, "Warning: vlan %d with no nics\n", vlan->id);
|
9237 |
if (vlan->nb_host_devs == 0) |
9238 |
fprintf(stderr, |
9239 |
"Warning: vlan %d is not connected to host network\n",
|
9240 |
vlan->id); |
9241 |
} |
9242 |
|
9243 |
#ifdef TARGET_I386
|
9244 |
/* XXX: this should be moved in the PC machine instantiation code */
|
9245 |
if (net_boot != 0) { |
9246 |
int netroms = 0; |
9247 |
for (i = 0; i < nb_nics && i < 4; i++) { |
9248 |
const char *model = nd_table[i].model; |
9249 |
char buf[1024]; |
9250 |
if (net_boot & (1 << i)) { |
9251 |
if (model == NULL) |
9252 |
model = "ne2k_pci";
|
9253 |
snprintf(buf, sizeof(buf), "%s/pxe-%s.bin", bios_dir, model); |
9254 |
if (get_image_size(buf) > 0) { |
9255 |
if (nb_option_roms >= MAX_OPTION_ROMS) {
|
9256 |
fprintf(stderr, "Too many option ROMs\n");
|
9257 |
exit(1);
|
9258 |
} |
9259 |
option_rom[nb_option_roms] = strdup(buf); |
9260 |
nb_option_roms++; |
9261 |
netroms++; |
9262 |
} |
9263 |
} |
9264 |
} |
9265 |
if (netroms == 0) { |
9266 |
fprintf(stderr, "No valid PXE rom found for network device\n");
|
9267 |
exit(1);
|
9268 |
} |
9269 |
} |
9270 |
#endif
|
9271 |
|
9272 |
/* init the memory */
|
9273 |
phys_ram_size = machine->ram_require & ~RAMSIZE_FIXED; |
9274 |
|
9275 |
if (machine->ram_require & RAMSIZE_FIXED) {
|
9276 |
if (ram_size > 0) { |
9277 |
if (ram_size < phys_ram_size) {
|
9278 |
fprintf(stderr, "Machine `%s' requires %llu bytes of memory\n",
|
9279 |
machine->name, (unsigned long long) phys_ram_size); |
9280 |
exit(-1);
|
9281 |
} |
9282 |
|
9283 |
phys_ram_size = ram_size; |
9284 |
} else
|
9285 |
ram_size = phys_ram_size; |
9286 |
} else {
|
9287 |
if (ram_size == 0) |
9288 |
ram_size = DEFAULT_RAM_SIZE * 1024 * 1024; |
9289 |
|
9290 |
phys_ram_size += ram_size; |
9291 |
} |
9292 |
|
9293 |
phys_ram_base = qemu_vmalloc(phys_ram_size); |
9294 |
if (!phys_ram_base) {
|
9295 |
fprintf(stderr, "Could not allocate physical memory\n");
|
9296 |
exit(1);
|
9297 |
} |
9298 |
|
9299 |
/* init the dynamic translator */
|
9300 |
cpu_exec_init_all(tb_size * 1024 * 1024); |
9301 |
|
9302 |
bdrv_init(); |
9303 |
|
9304 |
/* we always create the cdrom drive, even if no disk is there */
|
9305 |
|
9306 |
if (nb_drives_opt < MAX_DRIVES)
|
9307 |
drive_add(NULL, CDROM_ALIAS);
|
9308 |
|
9309 |
/* we always create at least one floppy */
|
9310 |
|
9311 |
if (nb_drives_opt < MAX_DRIVES)
|
9312 |
drive_add(NULL, FD_ALIAS, 0); |
9313 |
|
9314 |
/* we always create one sd slot, even if no card is in it */
|
9315 |
|
9316 |
if (nb_drives_opt < MAX_DRIVES)
|
9317 |
drive_add(NULL, SD_ALIAS);
|
9318 |
|
9319 |
/* open the virtual block devices */
|
9320 |
|
9321 |
for(i = 0; i < nb_drives_opt; i++) |
9322 |
if (drive_init(&drives_opt[i], snapshot, machine) == -1) |
9323 |
exit(1);
|
9324 |
|
9325 |
register_savevm("timer", 0, 2, timer_save, timer_load, NULL); |
9326 |
register_savevm("ram", 0, 2, ram_save, ram_load, NULL); |
9327 |
|
9328 |
/* terminal init */
|
9329 |
memset(&display_state, 0, sizeof(display_state)); |
9330 |
if (nographic) {
|
9331 |
if (curses) {
|
9332 |
fprintf(stderr, "fatal: -nographic can't be used with -curses\n");
|
9333 |
exit(1);
|
9334 |
} |
9335 |
/* nearly nothing to do */
|
9336 |
dumb_display_init(ds); |
9337 |
} else if (vnc_display != NULL) { |
9338 |
vnc_display_init(ds); |
9339 |
if (vnc_display_open(ds, vnc_display) < 0) |
9340 |
exit(1);
|
9341 |
} else
|
9342 |
#if defined(CONFIG_CURSES)
|
9343 |
if (curses) {
|
9344 |
curses_display_init(ds, full_screen); |
9345 |
} else
|
9346 |
#endif
|
9347 |
{ |
9348 |
#if defined(CONFIG_SDL)
|
9349 |
sdl_display_init(ds, full_screen, no_frame); |
9350 |
#elif defined(CONFIG_COCOA)
|
9351 |
cocoa_display_init(ds, full_screen); |
9352 |
#else
|
9353 |
dumb_display_init(ds); |
9354 |
#endif
|
9355 |
} |
9356 |
|
9357 |
#ifndef _WIN32
|
9358 |
/* must be after terminal init, SDL library changes signal handlers */
|
9359 |
termsig_setup(); |
9360 |
#endif
|
9361 |
|
9362 |
/* Maintain compatibility with multiple stdio monitors */
|
9363 |
if (!strcmp(monitor_device,"stdio")) { |
9364 |
for (i = 0; i < MAX_SERIAL_PORTS; i++) { |
9365 |
const char *devname = serial_devices[i]; |
9366 |
if (devname && !strcmp(devname,"mon:stdio")) { |
9367 |
monitor_device = NULL;
|
9368 |
break;
|
9369 |
} else if (devname && !strcmp(devname,"stdio")) { |
9370 |
monitor_device = NULL;
|
9371 |
serial_devices[i] = "mon:stdio";
|
9372 |
break;
|
9373 |
} |
9374 |
} |
9375 |
} |
9376 |
if (monitor_device) {
|
9377 |
monitor_hd = qemu_chr_open(monitor_device); |
9378 |
if (!monitor_hd) {
|
9379 |
fprintf(stderr, "qemu: could not open monitor device '%s'\n", monitor_device);
|
9380 |
exit(1);
|
9381 |
} |
9382 |
monitor_init(monitor_hd, !nographic); |
9383 |
} |
9384 |
|
9385 |
for(i = 0; i < MAX_SERIAL_PORTS; i++) { |
9386 |
const char *devname = serial_devices[i]; |
9387 |
if (devname && strcmp(devname, "none")) { |
9388 |
serial_hds[i] = qemu_chr_open(devname); |
9389 |
if (!serial_hds[i]) {
|
9390 |
fprintf(stderr, "qemu: could not open serial device '%s'\n",
|
9391 |
devname); |
9392 |
exit(1);
|
9393 |
} |
9394 |
if (strstart(devname, "vc", 0)) |
9395 |
qemu_chr_printf(serial_hds[i], "serial%d console\r\n", i);
|
9396 |
} |
9397 |
} |
9398 |
|
9399 |
for(i = 0; i < MAX_PARALLEL_PORTS; i++) { |
9400 |
const char *devname = parallel_devices[i]; |
9401 |
if (devname && strcmp(devname, "none")) { |
9402 |
parallel_hds[i] = qemu_chr_open(devname); |
9403 |
if (!parallel_hds[i]) {
|
9404 |
fprintf(stderr, "qemu: could not open parallel device '%s'\n",
|
9405 |
devname); |
9406 |
exit(1);
|
9407 |
} |
9408 |
if (strstart(devname, "vc", 0)) |
9409 |
qemu_chr_printf(parallel_hds[i], "parallel%d console\r\n", i);
|
9410 |
} |
9411 |
} |
9412 |
|
9413 |
machine->init(ram_size, vga_ram_size, boot_devices, ds, |
9414 |
kernel_filename, kernel_cmdline, initrd_filename, cpu_model); |
9415 |
|
9416 |
/* init USB devices */
|
9417 |
if (usb_enabled) {
|
9418 |
for(i = 0; i < usb_devices_index; i++) { |
9419 |
if (usb_device_add(usb_devices[i]) < 0) { |
9420 |
fprintf(stderr, "Warning: could not add USB device %s\n",
|
9421 |
usb_devices[i]); |
9422 |
} |
9423 |
} |
9424 |
} |
9425 |
|
9426 |
if (display_state.dpy_refresh) {
|
9427 |
display_state.gui_timer = qemu_new_timer(rt_clock, gui_update, &display_state); |
9428 |
qemu_mod_timer(display_state.gui_timer, qemu_get_clock(rt_clock)); |
9429 |
} |
9430 |
|
9431 |
#ifdef CONFIG_GDBSTUB
|
9432 |
if (use_gdbstub) {
|
9433 |
/* XXX: use standard host:port notation and modify options
|
9434 |
accordingly. */
|
9435 |
if (gdbserver_start(gdbstub_port) < 0) { |
9436 |
fprintf(stderr, "qemu: could not open gdbstub device on port '%s'\n",
|
9437 |
gdbstub_port); |
9438 |
exit(1);
|
9439 |
} |
9440 |
} |
9441 |
#endif
|
9442 |
|
9443 |
if (loadvm)
|
9444 |
do_loadvm(loadvm); |
9445 |
|
9446 |
{ |
9447 |
/* XXX: simplify init */
|
9448 |
read_passwords(); |
9449 |
if (autostart) {
|
9450 |
vm_start(); |
9451 |
} |
9452 |
} |
9453 |
|
9454 |
if (daemonize) {
|
9455 |
uint8_t status = 0;
|
9456 |
ssize_t len; |
9457 |
int fd;
|
9458 |
|
9459 |
again1:
|
9460 |
len = write(fds[1], &status, 1); |
9461 |
if (len == -1 && (errno == EINTR)) |
9462 |
goto again1;
|
9463 |
|
9464 |
if (len != 1) |
9465 |
exit(1);
|
9466 |
|
9467 |
chdir("/");
|
9468 |
TFR(fd = open("/dev/null", O_RDWR));
|
9469 |
if (fd == -1) |
9470 |
exit(1);
|
9471 |
|
9472 |
dup2(fd, 0);
|
9473 |
dup2(fd, 1);
|
9474 |
dup2(fd, 2);
|
9475 |
|
9476 |
close(fd); |
9477 |
} |
9478 |
|
9479 |
main_loop(); |
9480 |
quit_timers(); |
9481 |
|
9482 |
#if !defined(_WIN32)
|
9483 |
/* close network clients */
|
9484 |
for(vlan = first_vlan; vlan != NULL; vlan = vlan->next) { |
9485 |
VLANClientState *vc; |
9486 |
|
9487 |
for(vc = vlan->first_client; vc != NULL; vc = vc->next) { |
9488 |
if (vc->fd_read == tap_receive) {
|
9489 |
char ifname[64]; |
9490 |
TAPState *s = vc->opaque; |
9491 |
|
9492 |
if (sscanf(vc->info_str, "tap: ifname=%63s ", ifname) == 1 && |
9493 |
s->down_script[0])
|
9494 |
launch_script(s->down_script, ifname, s->fd); |
9495 |
} |
9496 |
#if defined(CONFIG_VDE)
|
9497 |
if (vc->fd_read == vde_from_qemu) {
|
9498 |
VDEState *s = vc->opaque; |
9499 |
vde_close(s->vde); |
9500 |
} |
9501 |
#endif
|
9502 |
} |
9503 |
} |
9504 |
#endif
|
9505 |
return 0; |
9506 |
} |