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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 "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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#ifndef __APPLE__
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#include <libutil.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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#ifndef __sun__
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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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#else
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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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#else
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#include <winsock2.h> |
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int inet_aton(const char *cp, struct in_addr *ia); |
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#endif
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#if defined(CONFIG_SLIRP)
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#include "libslirp.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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#include "qemu_socket.h" |
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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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/* in ms */
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#define GUI_REFRESH_INTERVAL 30 |
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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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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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#define TFR(expr) do { if ((expr) != -1) break; } while (errno == EINTR) |
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|
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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 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_table[0][address](ioport_opaque[address], address);
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address = (address + 1) & (MAX_IOPORTS - 1); |
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data |= ioport_read_table[0][address](ioport_opaque[address], 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_table[0][address](ioport_opaque[address], address, data & 0xff); |
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address = (address + 1) & (MAX_IOPORTS - 1); |
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ioport_write_table[0][address](ioport_opaque[address], address, (data >> 8) & 0xff); |
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} |
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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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static void init_ioports(void) |
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{
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int i;
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for(i = 0; i < MAX_IOPORTS; i++) { |
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ioport_read_table[0][i] = default_ioport_readb;
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ioport_write_table[0][i] = default_ioport_writeb;
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ioport_read_table[1][i] = default_ioport_readw;
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ioport_write_table[1][i] = default_ioport_writew;
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ioport_read_table[2][i] = default_ioport_readl;
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ioport_write_table[2][i] = default_ioport_writel;
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} |
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} |
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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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|
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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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|
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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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|
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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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} |
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|
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void isa_unassign_ioport(int start, int length) |
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{
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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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|
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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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} |
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} |
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|
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/***********************************************************/
|
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|
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void cpu_outb(CPUState *env, int addr, int val) |
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{
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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_table[0][addr](ioport_opaque[addr], 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(); |
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#endif
|
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} |
| 399 |
|
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void cpu_outw(CPUState *env, int addr, int val) |
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{
|
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#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_table[1][addr](ioport_opaque[addr], 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(); |
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#endif
|
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} |
| 412 |
|
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void cpu_outl(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, "outl: %04x %08x\n", addr, val);
|
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#endif
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ioport_write_table[2][addr](ioport_opaque[addr], 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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} |
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|
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int cpu_inb(CPUState *env, int addr) |
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{
|
| 428 |
int val;
|
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val = ioport_read_table[0][addr](ioport_opaque[addr], 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(); |
| 437 |
#endif
|
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return val;
|
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} |
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|
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int cpu_inw(CPUState *env, int addr) |
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{
|
| 443 |
int val;
|
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val = ioport_read_table[1][addr](ioport_opaque[addr], 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(); |
| 452 |
#endif
|
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return val;
|
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} |
| 455 |
|
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int cpu_inl(CPUState *env, int addr) |
| 457 |
{
|
| 458 |
int val;
|
| 459 |
val = ioport_read_table[2][addr](ioport_opaque[addr], addr);
|
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#ifdef DEBUG_IOPORT
|
| 461 |
if (loglevel & CPU_LOG_IOPORT)
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fprintf(logfile, "inl : %04x %08x\n", addr, val);
|
| 463 |
#endif
|
| 464 |
#ifdef USE_KQEMU
|
| 465 |
if (env)
|
| 466 |
env->last_io_time = cpu_get_time_fast(); |
| 467 |
#endif
|
| 468 |
return val;
|
| 469 |
} |
| 470 |
|
| 471 |
/***********************************************************/
|
| 472 |
void hw_error(const char *fmt, ...) |
| 473 |
{
|
| 474 |
va_list ap; |
| 475 |
CPUState *env; |
| 476 |
|
| 477 |
va_start(ap, fmt); |
| 478 |
fprintf(stderr, "qemu: hardware error: ");
|
| 479 |
vfprintf(stderr, fmt, ap); |
| 480 |
fprintf(stderr, "\n");
|
| 481 |
for(env = first_cpu; env != NULL; env = env->next_cpu) { |
| 482 |
fprintf(stderr, "CPU #%d:\n", env->cpu_index);
|
| 483 |
#ifdef TARGET_I386
|
| 484 |
cpu_dump_state(env, stderr, fprintf, X86_DUMP_FPU); |
| 485 |
#else
|
| 486 |
cpu_dump_state(env, stderr, fprintf, 0);
|
| 487 |
#endif
|
| 488 |
} |
| 489 |
va_end(ap); |
| 490 |
abort(); |
| 491 |
} |
| 492 |
|
| 493 |
/***********************************************************/
|
| 494 |
/* keyboard/mouse */
|
| 495 |
|
| 496 |
static QEMUPutKBDEvent *qemu_put_kbd_event;
|
| 497 |
static void *qemu_put_kbd_event_opaque; |
| 498 |
static QEMUPutMouseEntry *qemu_put_mouse_event_head;
|
| 499 |
static QEMUPutMouseEntry *qemu_put_mouse_event_current;
|
| 500 |
|
| 501 |
void qemu_add_kbd_event_handler(QEMUPutKBDEvent *func, void *opaque) |
| 502 |
{
|
| 503 |
qemu_put_kbd_event_opaque = opaque; |
| 504 |
qemu_put_kbd_event = func; |
| 505 |
} |
| 506 |
|
| 507 |
QEMUPutMouseEntry *qemu_add_mouse_event_handler(QEMUPutMouseEvent *func, |
| 508 |
void *opaque, int absolute, |
| 509 |
const char *name) |
| 510 |
{
|
| 511 |
QEMUPutMouseEntry *s, *cursor; |
| 512 |
|
| 513 |
s = qemu_mallocz(sizeof(QEMUPutMouseEntry));
|
| 514 |
if (!s)
|
| 515 |
return NULL; |
| 516 |
|
| 517 |
s->qemu_put_mouse_event = func; |
| 518 |
s->qemu_put_mouse_event_opaque = opaque; |
| 519 |
s->qemu_put_mouse_event_absolute = absolute; |
| 520 |
s->qemu_put_mouse_event_name = qemu_strdup(name); |
| 521 |
s->next = NULL;
|
| 522 |
|
| 523 |
if (!qemu_put_mouse_event_head) {
|
| 524 |
qemu_put_mouse_event_head = qemu_put_mouse_event_current = s; |
| 525 |
return s;
|
| 526 |
} |
| 527 |
|
| 528 |
cursor = qemu_put_mouse_event_head; |
| 529 |
while (cursor->next != NULL) |
| 530 |
cursor = cursor->next; |
| 531 |
|
| 532 |
cursor->next = s; |
| 533 |
qemu_put_mouse_event_current = s; |
| 534 |
|
| 535 |
return s;
|
| 536 |
} |
| 537 |
|
| 538 |
void qemu_remove_mouse_event_handler(QEMUPutMouseEntry *entry)
|
| 539 |
{
|
| 540 |
QEMUPutMouseEntry *prev = NULL, *cursor;
|
| 541 |
|
| 542 |
if (!qemu_put_mouse_event_head || entry == NULL) |
| 543 |
return;
|
| 544 |
|
| 545 |
cursor = qemu_put_mouse_event_head; |
| 546 |
while (cursor != NULL && cursor != entry) { |
| 547 |
prev = cursor; |
| 548 |
cursor = cursor->next; |
| 549 |
} |
| 550 |
|
| 551 |
if (cursor == NULL) // does not exist or list empty |
| 552 |
return;
|
| 553 |
else if (prev == NULL) { // entry is head |
| 554 |
qemu_put_mouse_event_head = cursor->next; |
| 555 |
if (qemu_put_mouse_event_current == entry)
|
| 556 |
qemu_put_mouse_event_current = cursor->next; |
| 557 |
qemu_free(entry->qemu_put_mouse_event_name); |
| 558 |
qemu_free(entry); |
| 559 |
return;
|
| 560 |
} |
| 561 |
|
| 562 |
prev->next = entry->next; |
| 563 |
|
| 564 |
if (qemu_put_mouse_event_current == entry)
|
| 565 |
qemu_put_mouse_event_current = prev; |
| 566 |
|
| 567 |
qemu_free(entry->qemu_put_mouse_event_name); |
| 568 |
qemu_free(entry); |
| 569 |
} |
| 570 |
|
| 571 |
void kbd_put_keycode(int keycode) |
| 572 |
{
|
| 573 |
if (qemu_put_kbd_event) {
|
| 574 |
qemu_put_kbd_event(qemu_put_kbd_event_opaque, keycode); |
| 575 |
} |
| 576 |
} |
| 577 |
|
| 578 |
void kbd_mouse_event(int dx, int dy, int dz, int buttons_state) |
| 579 |
{
|
| 580 |
QEMUPutMouseEvent *mouse_event; |
| 581 |
void *mouse_event_opaque;
|
| 582 |
int width;
|
| 583 |
|
| 584 |
if (!qemu_put_mouse_event_current) {
|
| 585 |
return;
|
| 586 |
} |
| 587 |
|
| 588 |
mouse_event = |
| 589 |
qemu_put_mouse_event_current->qemu_put_mouse_event; |
| 590 |
mouse_event_opaque = |
| 591 |
qemu_put_mouse_event_current->qemu_put_mouse_event_opaque; |
| 592 |
|
| 593 |
if (mouse_event) {
|
| 594 |
if (graphic_rotate) {
|
| 595 |
if (qemu_put_mouse_event_current->qemu_put_mouse_event_absolute)
|
| 596 |
width = 0x7fff;
|
| 597 |
else
|
| 598 |
width = graphic_width - 1;
|
| 599 |
mouse_event(mouse_event_opaque, |
| 600 |
width - dy, dx, dz, buttons_state); |
| 601 |
} else
|
| 602 |
mouse_event(mouse_event_opaque, |
| 603 |
dx, dy, dz, buttons_state); |
| 604 |
} |
| 605 |
} |
| 606 |
|
| 607 |
int kbd_mouse_is_absolute(void) |
| 608 |
{
|
| 609 |
if (!qemu_put_mouse_event_current)
|
| 610 |
return 0; |
| 611 |
|
| 612 |
return qemu_put_mouse_event_current->qemu_put_mouse_event_absolute;
|
| 613 |
} |
| 614 |
|
| 615 |
void do_info_mice(void) |
| 616 |
{
|
| 617 |
QEMUPutMouseEntry *cursor; |
| 618 |
int index = 0; |
| 619 |
|
| 620 |
if (!qemu_put_mouse_event_head) {
|
| 621 |
term_printf("No mouse devices connected\n");
|
| 622 |
return;
|
| 623 |
} |
| 624 |
|
| 625 |
term_printf("Mouse devices available:\n");
|
| 626 |
cursor = qemu_put_mouse_event_head; |
| 627 |
while (cursor != NULL) { |
| 628 |
term_printf("%c Mouse #%d: %s\n",
|
| 629 |
(cursor == qemu_put_mouse_event_current ? '*' : ' '), |
| 630 |
index, cursor->qemu_put_mouse_event_name); |
| 631 |
index++; |
| 632 |
cursor = cursor->next; |
| 633 |
} |
| 634 |
} |
| 635 |
|
| 636 |
void do_mouse_set(int index) |
| 637 |
{
|
| 638 |
QEMUPutMouseEntry *cursor; |
| 639 |
int i = 0; |
| 640 |
|
| 641 |
if (!qemu_put_mouse_event_head) {
|
| 642 |
term_printf("No mouse devices connected\n");
|
| 643 |
return;
|
| 644 |
} |
| 645 |
|
| 646 |
cursor = qemu_put_mouse_event_head; |
| 647 |
while (cursor != NULL && index != i) { |
| 648 |
i++; |
| 649 |
cursor = cursor->next; |
| 650 |
} |
| 651 |
|
| 652 |
if (cursor != NULL) |
| 653 |
qemu_put_mouse_event_current = cursor; |
| 654 |
else
|
| 655 |
term_printf("Mouse at given index not found\n");
|
| 656 |
} |
| 657 |
|
| 658 |
/* compute with 96 bit intermediate result: (a*b)/c */
|
| 659 |
uint64_t muldiv64(uint64_t a, uint32_t b, uint32_t c) |
| 660 |
{
|
| 661 |
union {
|
| 662 |
uint64_t ll; |
| 663 |
struct {
|
| 664 |
#ifdef WORDS_BIGENDIAN
|
| 665 |
uint32_t high, low; |
| 666 |
#else
|
| 667 |
uint32_t low, high; |
| 668 |
#endif
|
| 669 |
} l; |
| 670 |
} u, res; |
| 671 |
uint64_t rl, rh; |
| 672 |
|
| 673 |
u.ll = a; |
| 674 |
rl = (uint64_t)u.l.low * (uint64_t)b; |
| 675 |
rh = (uint64_t)u.l.high * (uint64_t)b; |
| 676 |
rh += (rl >> 32);
|
| 677 |
res.l.high = rh / c; |
| 678 |
res.l.low = (((rh % c) << 32) + (rl & 0xffffffff)) / c; |
| 679 |
return res.ll;
|
| 680 |
} |
| 681 |
|
| 682 |
/***********************************************************/
|
| 683 |
/* real time host monotonic timer */
|
| 684 |
|
| 685 |
#define QEMU_TIMER_BASE 1000000000LL |
| 686 |
|
| 687 |
#ifdef WIN32
|
| 688 |
|
| 689 |
static int64_t clock_freq;
|
| 690 |
|
| 691 |
static void init_get_clock(void) |
| 692 |
{
|
| 693 |
LARGE_INTEGER freq; |
| 694 |
int ret;
|
| 695 |
ret = QueryPerformanceFrequency(&freq); |
| 696 |
if (ret == 0) { |
| 697 |
fprintf(stderr, "Could not calibrate ticks\n");
|
| 698 |
exit(1);
|
| 699 |
} |
| 700 |
clock_freq = freq.QuadPart; |
| 701 |
} |
| 702 |
|
| 703 |
static int64_t get_clock(void) |
| 704 |
{
|
| 705 |
LARGE_INTEGER ti; |
| 706 |
QueryPerformanceCounter(&ti); |
| 707 |
return muldiv64(ti.QuadPart, QEMU_TIMER_BASE, clock_freq);
|
| 708 |
} |
| 709 |
|
| 710 |
#else
|
| 711 |
|
| 712 |
static int use_rt_clock; |
| 713 |
|
| 714 |
static void init_get_clock(void) |
| 715 |
{
|
| 716 |
use_rt_clock = 0;
|
| 717 |
#if defined(__linux__)
|
| 718 |
{
|
| 719 |
struct timespec ts;
|
| 720 |
if (clock_gettime(CLOCK_MONOTONIC, &ts) == 0) { |
| 721 |
use_rt_clock = 1;
|
| 722 |
} |
| 723 |
} |
| 724 |
#endif
|
| 725 |
} |
| 726 |
|
| 727 |
static int64_t get_clock(void) |
| 728 |
{
|
| 729 |
#if defined(__linux__)
|
| 730 |
if (use_rt_clock) {
|
| 731 |
struct timespec ts;
|
| 732 |
clock_gettime(CLOCK_MONOTONIC, &ts); |
| 733 |
return ts.tv_sec * 1000000000LL + ts.tv_nsec; |
| 734 |
} else
|
| 735 |
#endif
|
| 736 |
{
|
| 737 |
/* XXX: using gettimeofday leads to problems if the date
|
| 738 |
changes, so it should be avoided. */
|
| 739 |
struct timeval tv;
|
| 740 |
gettimeofday(&tv, NULL);
|
| 741 |
return tv.tv_sec * 1000000000LL + (tv.tv_usec * 1000); |
| 742 |
} |
| 743 |
} |
| 744 |
#endif
|
| 745 |
|
| 746 |
/* Return the virtual CPU time, based on the instruction counter. */
|
| 747 |
static int64_t cpu_get_icount(void) |
| 748 |
{
|
| 749 |
int64_t icount; |
| 750 |
CPUState *env = cpu_single_env;; |
| 751 |
icount = qemu_icount; |
| 752 |
if (env) {
|
| 753 |
if (!can_do_io(env))
|
| 754 |
fprintf(stderr, "Bad clock read\n");
|
| 755 |
icount -= (env->icount_decr.u16.low + env->icount_extra); |
| 756 |
} |
| 757 |
return qemu_icount_bias + (icount << icount_time_shift);
|
| 758 |
} |
| 759 |
|
| 760 |
/***********************************************************/
|
| 761 |
/* guest cycle counter */
|
| 762 |
|
| 763 |
static int64_t cpu_ticks_prev;
|
| 764 |
static int64_t cpu_ticks_offset;
|
| 765 |
static int64_t cpu_clock_offset;
|
| 766 |
static int cpu_ticks_enabled; |
| 767 |
|
| 768 |
/* return the host CPU cycle counter and handle stop/restart */
|
| 769 |
int64_t cpu_get_ticks(void)
|
| 770 |
{
|
| 771 |
if (use_icount) {
|
| 772 |
return cpu_get_icount();
|
| 773 |
} |
| 774 |
if (!cpu_ticks_enabled) {
|
| 775 |
return cpu_ticks_offset;
|
| 776 |
} else {
|
| 777 |
int64_t ticks; |
| 778 |
ticks = cpu_get_real_ticks(); |
| 779 |
if (cpu_ticks_prev > ticks) {
|
| 780 |
/* Note: non increasing ticks may happen if the host uses
|
| 781 |
software suspend */
|
| 782 |
cpu_ticks_offset += cpu_ticks_prev - ticks; |
| 783 |
} |
| 784 |
cpu_ticks_prev = ticks; |
| 785 |
return ticks + cpu_ticks_offset;
|
| 786 |
} |
| 787 |
} |
| 788 |
|
| 789 |
/* return the host CPU monotonic timer and handle stop/restart */
|
| 790 |
static int64_t cpu_get_clock(void) |
| 791 |
{
|
| 792 |
int64_t ti; |
| 793 |
if (!cpu_ticks_enabled) {
|
| 794 |
return cpu_clock_offset;
|
| 795 |
} else {
|
| 796 |
ti = get_clock(); |
| 797 |
return ti + cpu_clock_offset;
|
| 798 |
} |
| 799 |
} |
| 800 |
|
| 801 |
/* enable cpu_get_ticks() */
|
| 802 |
void cpu_enable_ticks(void) |
| 803 |
{
|
| 804 |
if (!cpu_ticks_enabled) {
|
| 805 |
cpu_ticks_offset -= cpu_get_real_ticks(); |
| 806 |
cpu_clock_offset -= get_clock(); |
| 807 |
cpu_ticks_enabled = 1;
|
| 808 |
} |
| 809 |
} |
| 810 |
|
| 811 |
/* disable cpu_get_ticks() : the clock is stopped. You must not call
|
| 812 |
cpu_get_ticks() after that. */
|
| 813 |
void cpu_disable_ticks(void) |
| 814 |
{
|
| 815 |
if (cpu_ticks_enabled) {
|
| 816 |
cpu_ticks_offset = cpu_get_ticks(); |
| 817 |
cpu_clock_offset = cpu_get_clock(); |
| 818 |
cpu_ticks_enabled = 0;
|
| 819 |
} |
| 820 |
} |
| 821 |
|
| 822 |
/***********************************************************/
|
| 823 |
/* timers */
|
| 824 |
|
| 825 |
#define QEMU_TIMER_REALTIME 0 |
| 826 |
#define QEMU_TIMER_VIRTUAL 1 |
| 827 |
|
| 828 |
struct QEMUClock {
|
| 829 |
int type;
|
| 830 |
/* XXX: add frequency */
|
| 831 |
}; |
| 832 |
|
| 833 |
struct QEMUTimer {
|
| 834 |
QEMUClock *clock; |
| 835 |
int64_t expire_time; |
| 836 |
QEMUTimerCB *cb; |
| 837 |
void *opaque;
|
| 838 |
struct QEMUTimer *next;
|
| 839 |
}; |
| 840 |
|
| 841 |
struct qemu_alarm_timer {
|
| 842 |
char const *name; |
| 843 |
unsigned int flags; |
| 844 |
|
| 845 |
int (*start)(struct qemu_alarm_timer *t); |
| 846 |
void (*stop)(struct qemu_alarm_timer *t); |
| 847 |
void (*rearm)(struct qemu_alarm_timer *t); |
| 848 |
void *priv;
|
| 849 |
}; |
| 850 |
|
| 851 |
#define ALARM_FLAG_DYNTICKS 0x1 |
| 852 |
#define ALARM_FLAG_EXPIRED 0x2 |
| 853 |
|
| 854 |
static inline int alarm_has_dynticks(struct qemu_alarm_timer *t) |
| 855 |
{
|
| 856 |
return t->flags & ALARM_FLAG_DYNTICKS;
|
| 857 |
} |
| 858 |
|
| 859 |
static void qemu_rearm_alarm_timer(struct qemu_alarm_timer *t) |
| 860 |
{
|
| 861 |
if (!alarm_has_dynticks(t))
|
| 862 |
return;
|
| 863 |
|
| 864 |
t->rearm(t); |
| 865 |
} |
| 866 |
|
| 867 |
/* TODO: MIN_TIMER_REARM_US should be optimized */
|
| 868 |
#define MIN_TIMER_REARM_US 250 |
| 869 |
|
| 870 |
static struct qemu_alarm_timer *alarm_timer; |
| 871 |
|
| 872 |
#ifdef _WIN32
|
| 873 |
|
| 874 |
struct qemu_alarm_win32 {
|
| 875 |
MMRESULT timerId; |
| 876 |
HANDLE host_alarm; |
| 877 |
unsigned int period; |
| 878 |
} alarm_win32_data = {0, NULL, -1};
|
| 879 |
|
| 880 |
static int win32_start_timer(struct qemu_alarm_timer *t); |
| 881 |
static void win32_stop_timer(struct qemu_alarm_timer *t); |
| 882 |
static void win32_rearm_timer(struct qemu_alarm_timer *t); |
| 883 |
|
| 884 |
#else
|
| 885 |
|
| 886 |
static int unix_start_timer(struct qemu_alarm_timer *t); |
| 887 |
static void unix_stop_timer(struct qemu_alarm_timer *t); |
| 888 |
|
| 889 |
#ifdef __linux__
|
| 890 |
|
| 891 |
static int dynticks_start_timer(struct qemu_alarm_timer *t); |
| 892 |
static void dynticks_stop_timer(struct qemu_alarm_timer *t); |
| 893 |
static void dynticks_rearm_timer(struct qemu_alarm_timer *t); |
| 894 |
|
| 895 |
static int hpet_start_timer(struct qemu_alarm_timer *t); |
| 896 |
static void hpet_stop_timer(struct qemu_alarm_timer *t); |
| 897 |
|
| 898 |
static int rtc_start_timer(struct qemu_alarm_timer *t); |
| 899 |
static void rtc_stop_timer(struct qemu_alarm_timer *t); |
| 900 |
|
| 901 |
#endif /* __linux__ */ |
| 902 |
|
| 903 |
#endif /* _WIN32 */ |
| 904 |
|
| 905 |
/* Correlation between real and virtual time is always going to be
|
| 906 |
fairly approximate, so ignore small variation.
|
| 907 |
When the guest is idle real and virtual time will be aligned in
|
| 908 |
the IO wait loop. */
|
| 909 |
#define ICOUNT_WOBBLE (QEMU_TIMER_BASE / 10) |
| 910 |
|
| 911 |
static void icount_adjust(void) |
| 912 |
{
|
| 913 |
int64_t cur_time; |
| 914 |
int64_t cur_icount; |
| 915 |
int64_t delta; |
| 916 |
static int64_t last_delta;
|
| 917 |
/* If the VM is not running, then do nothing. */
|
| 918 |
if (!vm_running)
|
| 919 |
return;
|
| 920 |
|
| 921 |
cur_time = cpu_get_clock(); |
| 922 |
cur_icount = qemu_get_clock(vm_clock); |
| 923 |
delta = cur_icount - cur_time; |
| 924 |
/* FIXME: This is a very crude algorithm, somewhat prone to oscillation. */
|
| 925 |
if (delta > 0 |
| 926 |
&& last_delta + ICOUNT_WOBBLE < delta * 2
|
| 927 |
&& icount_time_shift > 0) {
|
| 928 |
/* The guest is getting too far ahead. Slow time down. */
|
| 929 |
icount_time_shift--; |
| 930 |
} |
| 931 |
if (delta < 0 |
| 932 |
&& last_delta - ICOUNT_WOBBLE > delta * 2
|
| 933 |
&& icount_time_shift < MAX_ICOUNT_SHIFT) {
|
| 934 |
/* The guest is getting too far behind. Speed time up. */
|
| 935 |
icount_time_shift++; |
| 936 |
} |
| 937 |
last_delta = delta; |
| 938 |
qemu_icount_bias = cur_icount - (qemu_icount << icount_time_shift); |
| 939 |
} |
| 940 |
|
| 941 |
static void icount_adjust_rt(void * opaque) |
| 942 |
{
|
| 943 |
qemu_mod_timer(icount_rt_timer, |
| 944 |
qemu_get_clock(rt_clock) + 1000);
|
| 945 |
icount_adjust(); |
| 946 |
} |
| 947 |
|
| 948 |
static void icount_adjust_vm(void * opaque) |
| 949 |
{
|
| 950 |
qemu_mod_timer(icount_vm_timer, |
| 951 |
qemu_get_clock(vm_clock) + QEMU_TIMER_BASE / 10);
|
| 952 |
icount_adjust(); |
| 953 |
} |
| 954 |
|
| 955 |
static void init_icount_adjust(void) |
| 956 |
{
|
| 957 |
/* Have both realtime and virtual time triggers for speed adjustment.
|
| 958 |
The realtime trigger catches emulated time passing too slowly,
|
| 959 |
the virtual time trigger catches emulated time passing too fast.
|
| 960 |
Realtime triggers occur even when idle, so use them less frequently
|
| 961 |
than VM triggers. */
|
| 962 |
icount_rt_timer = qemu_new_timer(rt_clock, icount_adjust_rt, NULL);
|
| 963 |
qemu_mod_timer(icount_rt_timer, |
| 964 |
qemu_get_clock(rt_clock) + 1000);
|
| 965 |
icount_vm_timer = qemu_new_timer(vm_clock, icount_adjust_vm, NULL);
|
| 966 |
qemu_mod_timer(icount_vm_timer, |
| 967 |
qemu_get_clock(vm_clock) + QEMU_TIMER_BASE / 10);
|
| 968 |
} |
| 969 |
|
| 970 |
static struct qemu_alarm_timer alarm_timers[] = { |
| 971 |
#ifndef _WIN32
|
| 972 |
#ifdef __linux__
|
| 973 |
{"dynticks", ALARM_FLAG_DYNTICKS, dynticks_start_timer,
|
| 974 |
dynticks_stop_timer, dynticks_rearm_timer, NULL},
|
| 975 |
/* HPET - if available - is preferred */
|
| 976 |
{"hpet", 0, hpet_start_timer, hpet_stop_timer, NULL, NULL},
|
| 977 |
/* ...otherwise try RTC */
|
| 978 |
{"rtc", 0, rtc_start_timer, rtc_stop_timer, NULL, NULL},
|
| 979 |
#endif
|
| 980 |
{"unix", 0, unix_start_timer, unix_stop_timer, NULL, NULL},
|
| 981 |
#else
|
| 982 |
{"dynticks", ALARM_FLAG_DYNTICKS, win32_start_timer,
|
| 983 |
win32_stop_timer, win32_rearm_timer, &alarm_win32_data}, |
| 984 |
{"win32", 0, win32_start_timer,
|
| 985 |
win32_stop_timer, NULL, &alarm_win32_data},
|
| 986 |
#endif
|
| 987 |
{NULL, }
|
| 988 |
}; |
| 989 |
|
| 990 |
static void show_available_alarms(void) |
| 991 |
{
|
| 992 |
int i;
|
| 993 |
|
| 994 |
printf("Available alarm timers, in order of precedence:\n");
|
| 995 |
for (i = 0; alarm_timers[i].name; i++) |
| 996 |
printf("%s\n", alarm_timers[i].name);
|
| 997 |
} |
| 998 |
|
| 999 |
static void configure_alarms(char const *opt) |
| 1000 |
{
|
| 1001 |
int i;
|
| 1002 |
int cur = 0; |
| 1003 |
int count = (sizeof(alarm_timers) / sizeof(*alarm_timers)) - 1; |
| 1004 |
char *arg;
|
| 1005 |
char *name;
|
| 1006 |
struct qemu_alarm_timer tmp;
|
| 1007 |
|
| 1008 |
if (!strcmp(opt, "?")) { |
| 1009 |
show_available_alarms(); |
| 1010 |
exit(0);
|
| 1011 |
} |
| 1012 |
|
| 1013 |
arg = strdup(opt); |
| 1014 |
|
| 1015 |
/* Reorder the array */
|
| 1016 |
name = strtok(arg, ",");
|
| 1017 |
while (name) {
|
| 1018 |
for (i = 0; i < count && alarm_timers[i].name; i++) { |
| 1019 |
if (!strcmp(alarm_timers[i].name, name))
|
| 1020 |
break;
|
| 1021 |
} |
| 1022 |
|
| 1023 |
if (i == count) {
|
| 1024 |
fprintf(stderr, "Unknown clock %s\n", name);
|
| 1025 |
goto next;
|
| 1026 |
} |
| 1027 |
|
| 1028 |
if (i < cur)
|
| 1029 |
/* Ignore */
|
| 1030 |
goto next;
|
| 1031 |
|
| 1032 |
/* Swap */
|
| 1033 |
tmp = alarm_timers[i]; |
| 1034 |
alarm_timers[i] = alarm_timers[cur]; |
| 1035 |
alarm_timers[cur] = tmp; |
| 1036 |
|
| 1037 |
cur++; |
| 1038 |
next:
|
| 1039 |
name = strtok(NULL, ","); |
| 1040 |
} |
| 1041 |
|
| 1042 |
free(arg); |
| 1043 |
|
| 1044 |
if (cur) {
|
| 1045 |
/* Disable remaining timers */
|
| 1046 |
for (i = cur; i < count; i++)
|
| 1047 |
alarm_timers[i].name = NULL;
|
| 1048 |
} else {
|
| 1049 |
show_available_alarms(); |
| 1050 |
exit(1);
|
| 1051 |
} |
| 1052 |
} |
| 1053 |
|
| 1054 |
QEMUClock *rt_clock; |
| 1055 |
QEMUClock *vm_clock; |
| 1056 |
|
| 1057 |
static QEMUTimer *active_timers[2]; |
| 1058 |
|
| 1059 |
static QEMUClock *qemu_new_clock(int type) |
| 1060 |
{
|
| 1061 |
QEMUClock *clock; |
| 1062 |
clock = qemu_mallocz(sizeof(QEMUClock));
|
| 1063 |
if (!clock)
|
| 1064 |
return NULL; |
| 1065 |
clock->type = type; |
| 1066 |
return clock;
|
| 1067 |
} |
| 1068 |
|
| 1069 |
QEMUTimer *qemu_new_timer(QEMUClock *clock, QEMUTimerCB *cb, void *opaque)
|
| 1070 |
{
|
| 1071 |
QEMUTimer *ts; |
| 1072 |
|
| 1073 |
ts = qemu_mallocz(sizeof(QEMUTimer));
|
| 1074 |
ts->clock = clock; |
| 1075 |
ts->cb = cb; |
| 1076 |
ts->opaque = opaque; |
| 1077 |
return ts;
|
| 1078 |
} |
| 1079 |
|
| 1080 |
void qemu_free_timer(QEMUTimer *ts)
|
| 1081 |
{
|
| 1082 |
qemu_free(ts); |
| 1083 |
} |
| 1084 |
|
| 1085 |
/* stop a timer, but do not dealloc it */
|
| 1086 |
void qemu_del_timer(QEMUTimer *ts)
|
| 1087 |
{
|
| 1088 |
QEMUTimer **pt, *t; |
| 1089 |
|
| 1090 |
/* NOTE: this code must be signal safe because
|
| 1091 |
qemu_timer_expired() can be called from a signal. */
|
| 1092 |
pt = &active_timers[ts->clock->type]; |
| 1093 |
for(;;) {
|
| 1094 |
t = *pt; |
| 1095 |
if (!t)
|
| 1096 |
break;
|
| 1097 |
if (t == ts) {
|
| 1098 |
*pt = t->next; |
| 1099 |
break;
|
| 1100 |
} |
| 1101 |
pt = &t->next; |
| 1102 |
} |
| 1103 |
} |
| 1104 |
|
| 1105 |
/* modify the current timer so that it will be fired when current_time
|
| 1106 |
>= expire_time. The corresponding callback will be called. */
|
| 1107 |
void qemu_mod_timer(QEMUTimer *ts, int64_t expire_time)
|
| 1108 |
{
|
| 1109 |
QEMUTimer **pt, *t; |
| 1110 |
|
| 1111 |
qemu_del_timer(ts); |
| 1112 |
|
| 1113 |
/* add the timer in the sorted list */
|
| 1114 |
/* NOTE: this code must be signal safe because
|
| 1115 |
qemu_timer_expired() can be called from a signal. */
|
| 1116 |
pt = &active_timers[ts->clock->type]; |
| 1117 |
for(;;) {
|
| 1118 |
t = *pt; |
| 1119 |
if (!t)
|
| 1120 |
break;
|
| 1121 |
if (t->expire_time > expire_time)
|
| 1122 |
break;
|
| 1123 |
pt = &t->next; |
| 1124 |
} |
| 1125 |
ts->expire_time = expire_time; |
| 1126 |
ts->next = *pt; |
| 1127 |
*pt = ts; |
| 1128 |
|
| 1129 |
/* Rearm if necessary */
|
| 1130 |
if (pt == &active_timers[ts->clock->type]) {
|
| 1131 |
if ((alarm_timer->flags & ALARM_FLAG_EXPIRED) == 0) { |
| 1132 |
qemu_rearm_alarm_timer(alarm_timer); |
| 1133 |
} |
| 1134 |
/* Interrupt execution to force deadline recalculation. */
|
| 1135 |
if (use_icount && cpu_single_env) {
|
| 1136 |
cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT); |
| 1137 |
} |
| 1138 |
} |
| 1139 |
} |
| 1140 |
|
| 1141 |
int qemu_timer_pending(QEMUTimer *ts)
|
| 1142 |
{
|
| 1143 |
QEMUTimer *t; |
| 1144 |
for(t = active_timers[ts->clock->type]; t != NULL; t = t->next) { |
| 1145 |
if (t == ts)
|
| 1146 |
return 1; |
| 1147 |
} |
| 1148 |
return 0; |
| 1149 |
} |
| 1150 |
|
| 1151 |
static inline int qemu_timer_expired(QEMUTimer *timer_head, int64_t current_time) |
| 1152 |
{
|
| 1153 |
if (!timer_head)
|
| 1154 |
return 0; |
| 1155 |
return (timer_head->expire_time <= current_time);
|
| 1156 |
} |
| 1157 |
|
| 1158 |
static void qemu_run_timers(QEMUTimer **ptimer_head, int64_t current_time) |
| 1159 |
{
|
| 1160 |
QEMUTimer *ts; |
| 1161 |
|
| 1162 |
for(;;) {
|
| 1163 |
ts = *ptimer_head; |
| 1164 |
if (!ts || ts->expire_time > current_time)
|
| 1165 |
break;
|
| 1166 |
/* remove timer from the list before calling the callback */
|
| 1167 |
*ptimer_head = ts->next; |
| 1168 |
ts->next = NULL;
|
| 1169 |
|
| 1170 |
/* run the callback (the timer list can be modified) */
|
| 1171 |
ts->cb(ts->opaque); |
| 1172 |
} |
| 1173 |
} |
| 1174 |
|
| 1175 |
int64_t qemu_get_clock(QEMUClock *clock) |
| 1176 |
{
|
| 1177 |
switch(clock->type) {
|
| 1178 |
case QEMU_TIMER_REALTIME:
|
| 1179 |
return get_clock() / 1000000; |
| 1180 |
default:
|
| 1181 |
case QEMU_TIMER_VIRTUAL:
|
| 1182 |
if (use_icount) {
|
| 1183 |
return cpu_get_icount();
|
| 1184 |
} else {
|
| 1185 |
return cpu_get_clock();
|
| 1186 |
} |
| 1187 |
} |
| 1188 |
} |
| 1189 |
|
| 1190 |
static void init_timers(void) |
| 1191 |
{
|
| 1192 |
init_get_clock(); |
| 1193 |
ticks_per_sec = QEMU_TIMER_BASE; |
| 1194 |
rt_clock = qemu_new_clock(QEMU_TIMER_REALTIME); |
| 1195 |
vm_clock = qemu_new_clock(QEMU_TIMER_VIRTUAL); |
| 1196 |
} |
| 1197 |
|
| 1198 |
/* save a timer */
|
| 1199 |
void qemu_put_timer(QEMUFile *f, QEMUTimer *ts)
|
| 1200 |
{
|
| 1201 |
uint64_t expire_time; |
| 1202 |
|
| 1203 |
if (qemu_timer_pending(ts)) {
|
| 1204 |
expire_time = ts->expire_time; |
| 1205 |
} else {
|
| 1206 |
expire_time = -1;
|
| 1207 |
} |
| 1208 |
qemu_put_be64(f, expire_time); |
| 1209 |
} |
| 1210 |
|
| 1211 |
void qemu_get_timer(QEMUFile *f, QEMUTimer *ts)
|
| 1212 |
{
|
| 1213 |
uint64_t expire_time; |
| 1214 |
|
| 1215 |
expire_time = qemu_get_be64(f); |
| 1216 |
if (expire_time != -1) { |
| 1217 |
qemu_mod_timer(ts, expire_time); |
| 1218 |
} else {
|
| 1219 |
qemu_del_timer(ts); |
| 1220 |
} |
| 1221 |
} |
| 1222 |
|
| 1223 |
static void timer_save(QEMUFile *f, void *opaque) |
| 1224 |
{
|
| 1225 |
if (cpu_ticks_enabled) {
|
| 1226 |
hw_error("cannot save state if virtual timers are running");
|
| 1227 |
} |
| 1228 |
qemu_put_be64(f, cpu_ticks_offset); |
| 1229 |
qemu_put_be64(f, ticks_per_sec); |
| 1230 |
qemu_put_be64(f, cpu_clock_offset); |
| 1231 |
} |
| 1232 |
|
| 1233 |
static int timer_load(QEMUFile *f, void *opaque, int version_id) |
| 1234 |
{
|
| 1235 |
if (version_id != 1 && version_id != 2) |
| 1236 |
return -EINVAL;
|
| 1237 |
if (cpu_ticks_enabled) {
|
| 1238 |
return -EINVAL;
|
| 1239 |
} |
| 1240 |
cpu_ticks_offset=qemu_get_be64(f); |
| 1241 |
ticks_per_sec=qemu_get_be64(f); |
| 1242 |
if (version_id == 2) { |
| 1243 |
cpu_clock_offset=qemu_get_be64(f); |
| 1244 |
} |
| 1245 |
return 0; |
| 1246 |
} |
| 1247 |
|
| 1248 |
#ifdef _WIN32
|
| 1249 |
void CALLBACK host_alarm_handler(UINT uTimerID, UINT uMsg,
|
| 1250 |
DWORD_PTR dwUser, DWORD_PTR dw1, DWORD_PTR dw2) |
| 1251 |
#else
|
| 1252 |
static void host_alarm_handler(int host_signum) |
| 1253 |
#endif
|
| 1254 |
{
|
| 1255 |
#if 0
|
| 1256 |
#define DISP_FREQ 1000
|
| 1257 |
{
|
| 1258 |
static int64_t delta_min = INT64_MAX;
|
| 1259 |
static int64_t delta_max, delta_cum, last_clock, delta, ti;
|
| 1260 |
static int count;
|
| 1261 |
ti = qemu_get_clock(vm_clock);
|
| 1262 |
if (last_clock != 0) {
|
| 1263 |
delta = ti - last_clock;
|
| 1264 |
if (delta < delta_min)
|
| 1265 |
delta_min = delta;
|
| 1266 |
if (delta > delta_max)
|
| 1267 |
delta_max = delta;
|
| 1268 |
delta_cum += delta;
|
| 1269 |
if (++count == DISP_FREQ) {
|
| 1270 |
printf("timer: min=%" PRId64 " us max=%" PRId64 " us avg=%" PRId64 " us avg_freq=%0.3f Hz\n",
|
| 1271 |
muldiv64(delta_min, 1000000, ticks_per_sec),
|
| 1272 |
muldiv64(delta_max, 1000000, ticks_per_sec),
|
| 1273 |
muldiv64(delta_cum, 1000000 / DISP_FREQ, ticks_per_sec),
|
| 1274 |
(double)ticks_per_sec / ((double)delta_cum / DISP_FREQ));
|
| 1275 |
count = 0;
|
| 1276 |
delta_min = INT64_MAX;
|
| 1277 |
delta_max = 0;
|
| 1278 |
delta_cum = 0;
|
| 1279 |
}
|
| 1280 |
}
|
| 1281 |
last_clock = ti;
|
| 1282 |
}
|
| 1283 |
#endif
|
| 1284 |
if (alarm_has_dynticks(alarm_timer) ||
|
| 1285 |
(!use_icount && |
| 1286 |
qemu_timer_expired(active_timers[QEMU_TIMER_VIRTUAL], |
| 1287 |
qemu_get_clock(vm_clock))) || |
| 1288 |
qemu_timer_expired(active_timers[QEMU_TIMER_REALTIME], |
| 1289 |
qemu_get_clock(rt_clock))) {
|
| 1290 |
#ifdef _WIN32
|
| 1291 |
struct qemu_alarm_win32 *data = ((struct qemu_alarm_timer*)dwUser)->priv; |
| 1292 |
SetEvent(data->host_alarm); |
| 1293 |
#endif
|
| 1294 |
CPUState *env = next_cpu; |
| 1295 |
|
| 1296 |
alarm_timer->flags |= ALARM_FLAG_EXPIRED; |
| 1297 |
|
| 1298 |
if (env) {
|
| 1299 |
/* stop the currently executing cpu because a timer occured */
|
| 1300 |
cpu_interrupt(env, CPU_INTERRUPT_EXIT); |
| 1301 |
#ifdef USE_KQEMU
|
| 1302 |
if (env->kqemu_enabled) {
|
| 1303 |
kqemu_cpu_interrupt(env); |
| 1304 |
} |
| 1305 |
#endif
|
| 1306 |
} |
| 1307 |
event_pending = 1;
|
| 1308 |
} |
| 1309 |
} |
| 1310 |
|
| 1311 |
static int64_t qemu_next_deadline(void) |
| 1312 |
{
|
| 1313 |
int64_t delta; |
| 1314 |
|
| 1315 |
if (active_timers[QEMU_TIMER_VIRTUAL]) {
|
| 1316 |
delta = active_timers[QEMU_TIMER_VIRTUAL]->expire_time - |
| 1317 |
qemu_get_clock(vm_clock); |
| 1318 |
} else {
|
| 1319 |
/* To avoid problems with overflow limit this to 2^32. */
|
| 1320 |
delta = INT32_MAX; |
| 1321 |
} |
| 1322 |
|
| 1323 |
if (delta < 0) |
| 1324 |
delta = 0;
|
| 1325 |
|
| 1326 |
return delta;
|
| 1327 |
} |
| 1328 |
|
| 1329 |
static uint64_t qemu_next_deadline_dyntick(void) |
| 1330 |
{
|
| 1331 |
int64_t delta; |
| 1332 |
int64_t rtdelta; |
| 1333 |
|
| 1334 |
if (use_icount)
|
| 1335 |
delta = INT32_MAX; |
| 1336 |
else
|
| 1337 |
delta = (qemu_next_deadline() + 999) / 1000; |
| 1338 |
|
| 1339 |
if (active_timers[QEMU_TIMER_REALTIME]) {
|
| 1340 |
rtdelta = (active_timers[QEMU_TIMER_REALTIME]->expire_time - |
| 1341 |
qemu_get_clock(rt_clock))*1000;
|
| 1342 |
if (rtdelta < delta)
|
| 1343 |
delta = rtdelta; |
| 1344 |
} |
| 1345 |
|
| 1346 |
if (delta < MIN_TIMER_REARM_US)
|
| 1347 |
delta = MIN_TIMER_REARM_US; |
| 1348 |
|
| 1349 |
return delta;
|
| 1350 |
} |
| 1351 |
|
| 1352 |
#ifndef _WIN32
|
| 1353 |
|
| 1354 |
#if defined(__linux__)
|
| 1355 |
|
| 1356 |
#define RTC_FREQ 1024 |
| 1357 |
|
| 1358 |
static void enable_sigio_timer(int fd) |
| 1359 |
{
|
| 1360 |
struct sigaction act;
|
| 1361 |
|
| 1362 |
/* timer signal */
|
| 1363 |
sigfillset(&act.sa_mask); |
| 1364 |
act.sa_flags = 0;
|
| 1365 |
act.sa_handler = host_alarm_handler; |
| 1366 |
|
| 1367 |
sigaction(SIGIO, &act, NULL);
|
| 1368 |
fcntl(fd, F_SETFL, O_ASYNC); |
| 1369 |
fcntl(fd, F_SETOWN, getpid()); |
| 1370 |
} |
| 1371 |
|
| 1372 |
static int hpet_start_timer(struct qemu_alarm_timer *t) |
| 1373 |
{
|
| 1374 |
struct hpet_info info;
|
| 1375 |
int r, fd;
|
| 1376 |
|
| 1377 |
fd = open("/dev/hpet", O_RDONLY);
|
| 1378 |
if (fd < 0) |
| 1379 |
return -1; |
| 1380 |
|
| 1381 |
/* Set frequency */
|
| 1382 |
r = ioctl(fd, HPET_IRQFREQ, RTC_FREQ); |
| 1383 |
if (r < 0) { |
| 1384 |
fprintf(stderr, "Could not configure '/dev/hpet' to have a 1024Hz timer. This is not a fatal\n"
|
| 1385 |
"error, but for better emulation accuracy type:\n"
|
| 1386 |
"'echo 1024 > /proc/sys/dev/hpet/max-user-freq' as root.\n");
|
| 1387 |
goto fail;
|
| 1388 |
} |
| 1389 |
|
| 1390 |
/* Check capabilities */
|
| 1391 |
r = ioctl(fd, HPET_INFO, &info); |
| 1392 |
if (r < 0) |
| 1393 |
goto fail;
|
| 1394 |
|
| 1395 |
/* Enable periodic mode */
|
| 1396 |
r = ioctl(fd, HPET_EPI, 0);
|
| 1397 |
if (info.hi_flags && (r < 0)) |
| 1398 |
goto fail;
|
| 1399 |
|
| 1400 |
/* Enable interrupt */
|
| 1401 |
r = ioctl(fd, HPET_IE_ON, 0);
|
| 1402 |
if (r < 0) |
| 1403 |
goto fail;
|
| 1404 |
|
| 1405 |
enable_sigio_timer(fd); |
| 1406 |
t->priv = (void *)(long)fd; |
| 1407 |
|
| 1408 |
return 0; |
| 1409 |
fail:
|
| 1410 |
close(fd); |
| 1411 |
return -1; |
| 1412 |
} |
| 1413 |
|
| 1414 |
static void hpet_stop_timer(struct qemu_alarm_timer *t) |
| 1415 |
{
|
| 1416 |
int fd = (long)t->priv; |
| 1417 |
|
| 1418 |
close(fd); |
| 1419 |
} |
| 1420 |
|
| 1421 |
static int rtc_start_timer(struct qemu_alarm_timer *t) |
| 1422 |
{
|
| 1423 |
int rtc_fd;
|
| 1424 |
unsigned long current_rtc_freq = 0; |
| 1425 |
|
| 1426 |
TFR(rtc_fd = open("/dev/rtc", O_RDONLY));
|
| 1427 |
if (rtc_fd < 0) |
| 1428 |
return -1; |
| 1429 |
ioctl(rtc_fd, RTC_IRQP_READ, ¤t_rtc_freq); |
| 1430 |
if (current_rtc_freq != RTC_FREQ &&
|
| 1431 |
ioctl(rtc_fd, RTC_IRQP_SET, RTC_FREQ) < 0) {
|
| 1432 |
fprintf(stderr, "Could not configure '/dev/rtc' to have a 1024 Hz timer. This is not a fatal\n"
|
| 1433 |
"error, but for better emulation accuracy either use a 2.6 host Linux kernel or\n"
|
| 1434 |
"type 'echo 1024 > /proc/sys/dev/rtc/max-user-freq' as root.\n");
|
| 1435 |
goto fail;
|
| 1436 |
} |
| 1437 |
if (ioctl(rtc_fd, RTC_PIE_ON, 0) < 0) { |
| 1438 |
fail:
|
| 1439 |
close(rtc_fd); |
| 1440 |
return -1; |
| 1441 |
} |
| 1442 |
|
| 1443 |
enable_sigio_timer(rtc_fd); |
| 1444 |
|
| 1445 |
t->priv = (void *)(long)rtc_fd; |
| 1446 |
|
| 1447 |
return 0; |
| 1448 |
} |
| 1449 |
|
| 1450 |
static void rtc_stop_timer(struct qemu_alarm_timer *t) |
| 1451 |
{
|
| 1452 |
int rtc_fd = (long)t->priv; |
| 1453 |
|
| 1454 |
close(rtc_fd); |
| 1455 |
} |
| 1456 |
|
| 1457 |
static int dynticks_start_timer(struct qemu_alarm_timer *t) |
| 1458 |
{
|
| 1459 |
struct sigevent ev;
|
| 1460 |
timer_t host_timer; |
| 1461 |
struct sigaction act;
|
| 1462 |
|
| 1463 |
sigfillset(&act.sa_mask); |
| 1464 |
act.sa_flags = 0;
|
| 1465 |
act.sa_handler = host_alarm_handler; |
| 1466 |
|
| 1467 |
sigaction(SIGALRM, &act, NULL);
|
| 1468 |
|
| 1469 |
ev.sigev_value.sival_int = 0;
|
| 1470 |
ev.sigev_notify = SIGEV_SIGNAL; |
| 1471 |
ev.sigev_signo = SIGALRM; |
| 1472 |
|
| 1473 |
if (timer_create(CLOCK_REALTIME, &ev, &host_timer)) {
|
| 1474 |
perror("timer_create");
|
| 1475 |
|
| 1476 |
/* disable dynticks */
|
| 1477 |
fprintf(stderr, "Dynamic Ticks disabled\n");
|
| 1478 |
|
| 1479 |
return -1; |
| 1480 |
} |
| 1481 |
|
| 1482 |
t->priv = (void *)host_timer;
|
| 1483 |
|
| 1484 |
return 0; |
| 1485 |
} |
| 1486 |
|
| 1487 |
static void dynticks_stop_timer(struct qemu_alarm_timer *t) |
| 1488 |
{
|
| 1489 |
timer_t host_timer = (timer_t)t->priv; |
| 1490 |
|
| 1491 |
timer_delete(host_timer); |
| 1492 |
} |
| 1493 |
|
| 1494 |
static void dynticks_rearm_timer(struct qemu_alarm_timer *t) |
| 1495 |
{
|
| 1496 |
timer_t host_timer = (timer_t)t->priv; |
| 1497 |
struct itimerspec timeout;
|
| 1498 |
int64_t nearest_delta_us = INT64_MAX; |
| 1499 |
int64_t current_us; |
| 1500 |
|
| 1501 |
if (!active_timers[QEMU_TIMER_REALTIME] &&
|
| 1502 |
!active_timers[QEMU_TIMER_VIRTUAL]) |
| 1503 |
return;
|
| 1504 |
|
| 1505 |
nearest_delta_us = qemu_next_deadline_dyntick(); |
| 1506 |
|
| 1507 |
/* check whether a timer is already running */
|
| 1508 |
if (timer_gettime(host_timer, &timeout)) {
|
| 1509 |
perror("gettime");
|
| 1510 |
fprintf(stderr, "Internal timer error: aborting\n");
|
| 1511 |
exit(1);
|
| 1512 |
} |
| 1513 |
current_us = timeout.it_value.tv_sec * 1000000 + timeout.it_value.tv_nsec/1000; |
| 1514 |
if (current_us && current_us <= nearest_delta_us)
|
| 1515 |
return;
|
| 1516 |
|
| 1517 |
timeout.it_interval.tv_sec = 0;
|
| 1518 |
timeout.it_interval.tv_nsec = 0; /* 0 for one-shot timer */ |
| 1519 |
timeout.it_value.tv_sec = nearest_delta_us / 1000000;
|
| 1520 |
timeout.it_value.tv_nsec = (nearest_delta_us % 1000000) * 1000; |
| 1521 |
if (timer_settime(host_timer, 0 /* RELATIVE */, &timeout, NULL)) { |
| 1522 |
perror("settime");
|
| 1523 |
fprintf(stderr, "Internal timer error: aborting\n");
|
| 1524 |
exit(1);
|
| 1525 |
} |
| 1526 |
} |
| 1527 |
|
| 1528 |
#endif /* defined(__linux__) */ |
| 1529 |
|
| 1530 |
static int unix_start_timer(struct qemu_alarm_timer *t) |
| 1531 |
{
|
| 1532 |
struct sigaction act;
|
| 1533 |
struct itimerval itv;
|
| 1534 |
int err;
|
| 1535 |
|
| 1536 |
/* timer signal */
|
| 1537 |
sigfillset(&act.sa_mask); |
| 1538 |
act.sa_flags = 0;
|
| 1539 |
act.sa_handler = host_alarm_handler; |
| 1540 |
|
| 1541 |
sigaction(SIGALRM, &act, NULL);
|
| 1542 |
|
| 1543 |
itv.it_interval.tv_sec = 0;
|
| 1544 |
/* for i386 kernel 2.6 to get 1 ms */
|
| 1545 |
itv.it_interval.tv_usec = 999;
|
| 1546 |
itv.it_value.tv_sec = 0;
|
| 1547 |
itv.it_value.tv_usec = 10 * 1000; |
| 1548 |
|
| 1549 |
err = setitimer(ITIMER_REAL, &itv, NULL);
|
| 1550 |
if (err)
|
| 1551 |
return -1; |
| 1552 |
|
| 1553 |
return 0; |
| 1554 |
} |
| 1555 |
|
| 1556 |
static void unix_stop_timer(struct qemu_alarm_timer *t) |
| 1557 |
{
|
| 1558 |
struct itimerval itv;
|
| 1559 |
|
| 1560 |
memset(&itv, 0, sizeof(itv)); |
| 1561 |
setitimer(ITIMER_REAL, &itv, NULL);
|
| 1562 |
} |
| 1563 |
|
| 1564 |
#endif /* !defined(_WIN32) */ |
| 1565 |
|
| 1566 |
#ifdef _WIN32
|
| 1567 |
|
| 1568 |
static int win32_start_timer(struct qemu_alarm_timer *t) |
| 1569 |
{
|
| 1570 |
TIMECAPS tc; |
| 1571 |
struct qemu_alarm_win32 *data = t->priv;
|
| 1572 |
UINT flags; |
| 1573 |
|
| 1574 |
data->host_alarm = CreateEvent(NULL, FALSE, FALSE, NULL); |
| 1575 |
if (!data->host_alarm) {
|
| 1576 |
perror("Failed CreateEvent");
|
| 1577 |
return -1; |
| 1578 |
} |
| 1579 |
|
| 1580 |
memset(&tc, 0, sizeof(tc)); |
| 1581 |
timeGetDevCaps(&tc, sizeof(tc));
|
| 1582 |
|
| 1583 |
if (data->period < tc.wPeriodMin)
|
| 1584 |
data->period = tc.wPeriodMin; |
| 1585 |
|
| 1586 |
timeBeginPeriod(data->period); |
| 1587 |
|
| 1588 |
flags = TIME_CALLBACK_FUNCTION; |
| 1589 |
if (alarm_has_dynticks(t))
|
| 1590 |
flags |= TIME_ONESHOT; |
| 1591 |
else
|
| 1592 |
flags |= TIME_PERIODIC; |
| 1593 |
|
| 1594 |
data->timerId = timeSetEvent(1, // interval (ms) |
| 1595 |
data->period, // resolution
|
| 1596 |
host_alarm_handler, // function
|
| 1597 |
(DWORD)t, // parameter
|
| 1598 |
flags); |
| 1599 |
|
| 1600 |
if (!data->timerId) {
|
| 1601 |
perror("Failed to initialize win32 alarm timer");
|
| 1602 |
|
| 1603 |
timeEndPeriod(data->period); |
| 1604 |
CloseHandle(data->host_alarm); |
| 1605 |
return -1; |
| 1606 |
} |
| 1607 |
|
| 1608 |
qemu_add_wait_object(data->host_alarm, NULL, NULL); |
| 1609 |
|
| 1610 |
return 0; |
| 1611 |
} |
| 1612 |
|
| 1613 |
static void win32_stop_timer(struct qemu_alarm_timer *t) |
| 1614 |
{
|
| 1615 |
struct qemu_alarm_win32 *data = t->priv;
|
| 1616 |
|
| 1617 |
timeKillEvent(data->timerId); |
| 1618 |
timeEndPeriod(data->period); |
| 1619 |
|
| 1620 |
CloseHandle(data->host_alarm); |
| 1621 |
} |
| 1622 |
|
| 1623 |
static void win32_rearm_timer(struct qemu_alarm_timer *t) |
| 1624 |
{
|
| 1625 |
struct qemu_alarm_win32 *data = t->priv;
|
| 1626 |
uint64_t nearest_delta_us; |
| 1627 |
|
| 1628 |
if (!active_timers[QEMU_TIMER_REALTIME] &&
|
| 1629 |
!active_timers[QEMU_TIMER_VIRTUAL]) |
| 1630 |
return;
|
| 1631 |
|
| 1632 |
nearest_delta_us = qemu_next_deadline_dyntick(); |
| 1633 |
nearest_delta_us /= 1000;
|
| 1634 |
|
| 1635 |
timeKillEvent(data->timerId); |
| 1636 |
|
| 1637 |
data->timerId = timeSetEvent(1,
|
| 1638 |
data->period, |
| 1639 |
host_alarm_handler, |
| 1640 |
(DWORD)t, |
| 1641 |
TIME_ONESHOT | TIME_PERIODIC); |
| 1642 |
|
| 1643 |
if (!data->timerId) {
|
| 1644 |
perror("Failed to re-arm win32 alarm timer");
|
| 1645 |
|
| 1646 |
timeEndPeriod(data->period); |
| 1647 |
CloseHandle(data->host_alarm); |
| 1648 |
exit(1);
|
| 1649 |
} |
| 1650 |
} |
| 1651 |
|
| 1652 |
#endif /* _WIN32 */ |
| 1653 |
|
| 1654 |
static void init_timer_alarm(void) |
| 1655 |
{
|
| 1656 |
struct qemu_alarm_timer *t;
|
| 1657 |
int i, err = -1; |
| 1658 |
|
| 1659 |
for (i = 0; alarm_timers[i].name; i++) { |
| 1660 |
t = &alarm_timers[i]; |
| 1661 |
|
| 1662 |
err = t->start(t); |
| 1663 |
if (!err)
|
| 1664 |
break;
|
| 1665 |
} |
| 1666 |
|
| 1667 |
if (err) {
|
| 1668 |
fprintf(stderr, "Unable to find any suitable alarm timer.\n");
|
| 1669 |
fprintf(stderr, "Terminating\n");
|
| 1670 |
exit(1);
|
| 1671 |
} |
| 1672 |
|
| 1673 |
alarm_timer = t; |
| 1674 |
} |
| 1675 |
|
| 1676 |
static void quit_timers(void) |
| 1677 |
{
|
| 1678 |
alarm_timer->stop(alarm_timer); |
| 1679 |
alarm_timer = NULL;
|
| 1680 |
} |
| 1681 |
|
| 1682 |
/***********************************************************/
|
| 1683 |
/* host time/date access */
|
| 1684 |
void qemu_get_timedate(struct tm *tm, int offset) |
| 1685 |
{
|
| 1686 |
time_t ti; |
| 1687 |
struct tm *ret;
|
| 1688 |
|
| 1689 |
time(&ti); |
| 1690 |
ti += offset; |
| 1691 |
if (rtc_date_offset == -1) { |
| 1692 |
if (rtc_utc)
|
| 1693 |
ret = gmtime(&ti); |
| 1694 |
else
|
| 1695 |
ret = localtime(&ti); |
| 1696 |
} else {
|
| 1697 |
ti -= rtc_date_offset; |
| 1698 |
ret = gmtime(&ti); |
| 1699 |
} |
| 1700 |
|
| 1701 |
memcpy(tm, ret, sizeof(struct tm)); |
| 1702 |
} |
| 1703 |
|
| 1704 |
int qemu_timedate_diff(struct tm *tm) |
| 1705 |
{
|
| 1706 |
time_t seconds; |
| 1707 |
|
| 1708 |
if (rtc_date_offset == -1) |
| 1709 |
if (rtc_utc)
|
| 1710 |
seconds = mktimegm(tm); |
| 1711 |
else
|
| 1712 |
seconds = mktime(tm); |
| 1713 |
else
|
| 1714 |
seconds = mktimegm(tm) + rtc_date_offset; |
| 1715 |
|
| 1716 |
return seconds - time(NULL); |
| 1717 |
} |
| 1718 |
|
| 1719 |
/***********************************************************/
|
| 1720 |
/* character device */
|
| 1721 |
|
| 1722 |
static void qemu_chr_event(CharDriverState *s, int event) |
| 1723 |
{
|
| 1724 |
if (!s->chr_event)
|
| 1725 |
return;
|
| 1726 |
s->chr_event(s->handler_opaque, event); |
| 1727 |
} |
| 1728 |
|
| 1729 |
static void qemu_chr_reset_bh(void *opaque) |
| 1730 |
{
|
| 1731 |
CharDriverState *s = opaque; |
| 1732 |
qemu_chr_event(s, CHR_EVENT_RESET); |
| 1733 |
qemu_bh_delete(s->bh); |
| 1734 |
s->bh = NULL;
|
| 1735 |
} |
| 1736 |
|
| 1737 |
void qemu_chr_reset(CharDriverState *s)
|
| 1738 |
{
|
| 1739 |
if (s->bh == NULL) { |
| 1740 |
s->bh = qemu_bh_new(qemu_chr_reset_bh, s); |
| 1741 |
qemu_bh_schedule(s->bh); |
| 1742 |
} |
| 1743 |
} |
| 1744 |
|
| 1745 |
int qemu_chr_write(CharDriverState *s, const uint8_t *buf, int len) |
| 1746 |
{
|
| 1747 |
return s->chr_write(s, buf, len);
|
| 1748 |
} |
| 1749 |
|
| 1750 |
int qemu_chr_ioctl(CharDriverState *s, int cmd, void *arg) |
| 1751 |
{
|
| 1752 |
if (!s->chr_ioctl)
|
| 1753 |
return -ENOTSUP;
|
| 1754 |
return s->chr_ioctl(s, cmd, arg);
|
| 1755 |
} |
| 1756 |
|
| 1757 |
int qemu_chr_can_read(CharDriverState *s)
|
| 1758 |
{
|
| 1759 |
if (!s->chr_can_read)
|
| 1760 |
return 0; |
| 1761 |
return s->chr_can_read(s->handler_opaque);
|
| 1762 |
} |
| 1763 |
|
| 1764 |
void qemu_chr_read(CharDriverState *s, uint8_t *buf, int len) |
| 1765 |
{
|
| 1766 |
s->chr_read(s->handler_opaque, buf, len); |
| 1767 |
} |
| 1768 |
|
| 1769 |
void qemu_chr_accept_input(CharDriverState *s)
|
| 1770 |
{
|
| 1771 |
if (s->chr_accept_input)
|
| 1772 |
s->chr_accept_input(s); |
| 1773 |
} |
| 1774 |
|
| 1775 |
void qemu_chr_printf(CharDriverState *s, const char *fmt, ...) |
| 1776 |
{
|
| 1777 |
char buf[4096]; |
| 1778 |
va_list ap; |
| 1779 |
va_start(ap, fmt); |
| 1780 |
vsnprintf(buf, sizeof(buf), fmt, ap);
|
| 1781 |
qemu_chr_write(s, (uint8_t *)buf, strlen(buf)); |
| 1782 |
va_end(ap); |
| 1783 |
} |
| 1784 |
|
| 1785 |
void qemu_chr_send_event(CharDriverState *s, int event) |
| 1786 |
{
|
| 1787 |
if (s->chr_send_event)
|
| 1788 |
s->chr_send_event(s, event); |
| 1789 |
} |
| 1790 |
|
| 1791 |
void qemu_chr_add_handlers(CharDriverState *s,
|
| 1792 |
IOCanRWHandler *fd_can_read, |
| 1793 |
IOReadHandler *fd_read, |
| 1794 |
IOEventHandler *fd_event, |
| 1795 |
void *opaque)
|
| 1796 |
{
|
| 1797 |
s->chr_can_read = fd_can_read; |
| 1798 |
s->chr_read = fd_read; |
| 1799 |
s->chr_event = fd_event; |
| 1800 |
s->handler_opaque = opaque; |
| 1801 |
if (s->chr_update_read_handler)
|
| 1802 |
s->chr_update_read_handler(s); |
| 1803 |
} |
| 1804 |
|
| 1805 |
static int null_chr_write(CharDriverState *chr, const uint8_t *buf, int len) |
| 1806 |
{
|
| 1807 |
return len;
|
| 1808 |
} |
| 1809 |
|
| 1810 |
static CharDriverState *qemu_chr_open_null(void) |
| 1811 |
{
|
| 1812 |
CharDriverState *chr; |
| 1813 |
|
| 1814 |
chr = qemu_mallocz(sizeof(CharDriverState));
|
| 1815 |
if (!chr)
|
| 1816 |
return NULL; |
| 1817 |
chr->chr_write = null_chr_write; |
| 1818 |
return chr;
|
| 1819 |
} |
| 1820 |
|
| 1821 |
/* MUX driver for serial I/O splitting */
|
| 1822 |
static int term_timestamps; |
| 1823 |
static int64_t term_timestamps_start;
|
| 1824 |
#define MAX_MUX 4 |
| 1825 |
#define MUX_BUFFER_SIZE 32 /* Must be a power of 2. */ |
| 1826 |
#define MUX_BUFFER_MASK (MUX_BUFFER_SIZE - 1) |
| 1827 |
typedef struct { |
| 1828 |
IOCanRWHandler *chr_can_read[MAX_MUX]; |
| 1829 |
IOReadHandler *chr_read[MAX_MUX]; |
| 1830 |
IOEventHandler *chr_event[MAX_MUX]; |
| 1831 |
void *ext_opaque[MAX_MUX];
|
| 1832 |
CharDriverState *drv; |
| 1833 |
unsigned char buffer[MUX_BUFFER_SIZE]; |
| 1834 |
int prod;
|
| 1835 |
int cons;
|
| 1836 |
int mux_cnt;
|
| 1837 |
int term_got_escape;
|
| 1838 |
int max_size;
|
| 1839 |
} MuxDriver; |
| 1840 |
|
| 1841 |
|
| 1842 |
static int mux_chr_write(CharDriverState *chr, const uint8_t *buf, int len) |
| 1843 |
{
|
| 1844 |
MuxDriver *d = chr->opaque; |
| 1845 |
int ret;
|
| 1846 |
if (!term_timestamps) {
|
| 1847 |
ret = d->drv->chr_write(d->drv, buf, len); |
| 1848 |
} else {
|
| 1849 |
int i;
|
| 1850 |
|
| 1851 |
ret = 0;
|
| 1852 |
for(i = 0; i < len; i++) { |
| 1853 |
ret += d->drv->chr_write(d->drv, buf+i, 1);
|
| 1854 |
if (buf[i] == '\n') { |
| 1855 |
char buf1[64]; |
| 1856 |
int64_t ti; |
| 1857 |
int secs;
|
| 1858 |
|
| 1859 |
ti = get_clock(); |
| 1860 |
if (term_timestamps_start == -1) |
| 1861 |
term_timestamps_start = ti; |
| 1862 |
ti -= term_timestamps_start; |
| 1863 |
secs = ti / 1000000000;
|
| 1864 |
snprintf(buf1, sizeof(buf1),
|
| 1865 |
"[%02d:%02d:%02d.%03d] ",
|
| 1866 |
secs / 3600,
|
| 1867 |
(secs / 60) % 60, |
| 1868 |
secs % 60,
|
| 1869 |
(int)((ti / 1000000) % 1000)); |
| 1870 |
d->drv->chr_write(d->drv, (uint8_t *)buf1, strlen(buf1)); |
| 1871 |
} |
| 1872 |
} |
| 1873 |
} |
| 1874 |
return ret;
|
| 1875 |
} |
| 1876 |
|
| 1877 |
static char *mux_help[] = { |
| 1878 |
"% h print this help\n\r",
|
| 1879 |
"% x exit emulator\n\r",
|
| 1880 |
"% s save disk data back to file (if -snapshot)\n\r",
|
| 1881 |
"% t toggle console timestamps\n\r"
|
| 1882 |
"% b send break (magic sysrq)\n\r",
|
| 1883 |
"% c switch between console and monitor\n\r",
|
| 1884 |
"% % sends %\n\r",
|
| 1885 |
NULL
|
| 1886 |
}; |
| 1887 |
|
| 1888 |
static int term_escape_char = 0x01; /* ctrl-a is used for escape */ |
| 1889 |
static void mux_print_help(CharDriverState *chr) |
| 1890 |
{
|
| 1891 |
int i, j;
|
| 1892 |
char ebuf[15] = "Escape-Char"; |
| 1893 |
char cbuf[50] = "\n\r"; |
| 1894 |
|
| 1895 |
if (term_escape_char > 0 && term_escape_char < 26) { |
| 1896 |
sprintf(cbuf,"\n\r");
|
| 1897 |
sprintf(ebuf,"C-%c", term_escape_char - 1 + 'a'); |
| 1898 |
} else {
|
| 1899 |
sprintf(cbuf,"\n\rEscape-Char set to Ascii: 0x%02x\n\r\n\r",
|
| 1900 |
term_escape_char); |
| 1901 |
} |
| 1902 |
chr->chr_write(chr, (uint8_t *)cbuf, strlen(cbuf)); |
| 1903 |
for (i = 0; mux_help[i] != NULL; i++) { |
| 1904 |
for (j=0; mux_help[i][j] != '\0'; j++) { |
| 1905 |
if (mux_help[i][j] == '%') |
| 1906 |
chr->chr_write(chr, (uint8_t *)ebuf, strlen(ebuf)); |
| 1907 |
else
|
| 1908 |
chr->chr_write(chr, (uint8_t *)&mux_help[i][j], 1);
|
| 1909 |
} |
| 1910 |
} |
| 1911 |
} |
| 1912 |
|
| 1913 |
static int mux_proc_byte(CharDriverState *chr, MuxDriver *d, int ch) |
| 1914 |
{
|
| 1915 |
if (d->term_got_escape) {
|
| 1916 |
d->term_got_escape = 0;
|
| 1917 |
if (ch == term_escape_char)
|
| 1918 |
goto send_char;
|
| 1919 |
switch(ch) {
|
| 1920 |
case '?': |
| 1921 |
case 'h': |
| 1922 |
mux_print_help(chr); |
| 1923 |
break;
|
| 1924 |
case 'x': |
| 1925 |
{
|
| 1926 |
char *term = "QEMU: Terminated\n\r"; |
| 1927 |
chr->chr_write(chr,(uint8_t *)term,strlen(term)); |
| 1928 |
exit(0);
|
| 1929 |
break;
|
| 1930 |
} |
| 1931 |
case 's': |
| 1932 |
{
|
| 1933 |
int i;
|
| 1934 |
for (i = 0; i < nb_drives; i++) { |
| 1935 |
bdrv_commit(drives_table[i].bdrv); |
| 1936 |
} |
| 1937 |
} |
| 1938 |
break;
|
| 1939 |
case 'b': |
| 1940 |
qemu_chr_event(chr, CHR_EVENT_BREAK); |
| 1941 |
break;
|
| 1942 |
case 'c': |
| 1943 |
/* Switch to the next registered device */
|
| 1944 |
chr->focus++; |
| 1945 |
if (chr->focus >= d->mux_cnt)
|
| 1946 |
chr->focus = 0;
|
| 1947 |
break;
|
| 1948 |
case 't': |
| 1949 |
term_timestamps = !term_timestamps; |
| 1950 |
term_timestamps_start = -1;
|
| 1951 |
break;
|
| 1952 |
} |
| 1953 |
} else if (ch == term_escape_char) { |
| 1954 |
d->term_got_escape = 1;
|
| 1955 |
} else {
|
| 1956 |
send_char:
|
| 1957 |
return 1; |
| 1958 |
} |
| 1959 |
return 0; |
| 1960 |
} |
| 1961 |
|
| 1962 |
static void mux_chr_accept_input(CharDriverState *chr) |
| 1963 |
{
|
| 1964 |
int m = chr->focus;
|
| 1965 |
MuxDriver *d = chr->opaque; |
| 1966 |
|
| 1967 |
while (d->prod != d->cons &&
|
| 1968 |
d->chr_can_read[m] && |
| 1969 |
d->chr_can_read[m](d->ext_opaque[m])) {
|
| 1970 |
d->chr_read[m](d->ext_opaque[m], |
| 1971 |
&d->buffer[d->cons++ & MUX_BUFFER_MASK], 1);
|
| 1972 |
} |
| 1973 |
} |
| 1974 |
|
| 1975 |
static int mux_chr_can_read(void *opaque) |
| 1976 |
{
|
| 1977 |
CharDriverState *chr = opaque; |
| 1978 |
MuxDriver *d = chr->opaque; |
| 1979 |
|
| 1980 |
if ((d->prod - d->cons) < MUX_BUFFER_SIZE)
|
| 1981 |
return 1; |
| 1982 |
if (d->chr_can_read[chr->focus])
|
| 1983 |
return d->chr_can_read[chr->focus](d->ext_opaque[chr->focus]);
|
| 1984 |
return 0; |
| 1985 |
} |
| 1986 |
|
| 1987 |
static void mux_chr_read(void *opaque, const uint8_t *buf, int size) |
| 1988 |
{
|
| 1989 |
CharDriverState *chr = opaque; |
| 1990 |
MuxDriver *d = chr->opaque; |
| 1991 |
int m = chr->focus;
|
| 1992 |
int i;
|
| 1993 |
|
| 1994 |
mux_chr_accept_input (opaque); |
| 1995 |
|
| 1996 |
for(i = 0; i < size; i++) |
| 1997 |
if (mux_proc_byte(chr, d, buf[i])) {
|
| 1998 |
if (d->prod == d->cons &&
|
| 1999 |
d->chr_can_read[m] && |
| 2000 |
d->chr_can_read[m](d->ext_opaque[m])) |
| 2001 |
d->chr_read[m](d->ext_opaque[m], &buf[i], 1);
|
| 2002 |
else
|
| 2003 |
d->buffer[d->prod++ & MUX_BUFFER_MASK] = buf[i]; |
| 2004 |
} |
| 2005 |
} |
| 2006 |
|
| 2007 |
static void mux_chr_event(void *opaque, int event) |
| 2008 |
{
|
| 2009 |
CharDriverState *chr = opaque; |
| 2010 |
MuxDriver *d = chr->opaque; |
| 2011 |
int i;
|
| 2012 |
|
| 2013 |
/* Send the event to all registered listeners */
|
| 2014 |
for (i = 0; i < d->mux_cnt; i++) |
| 2015 |
if (d->chr_event[i])
|
| 2016 |
d->chr_event[i](d->ext_opaque[i], event); |
| 2017 |
} |
| 2018 |
|
| 2019 |
static void mux_chr_update_read_handler(CharDriverState *chr) |
| 2020 |
{
|
| 2021 |
MuxDriver *d = chr->opaque; |
| 2022 |
|
| 2023 |
if (d->mux_cnt >= MAX_MUX) {
|
| 2024 |
fprintf(stderr, "Cannot add I/O handlers, MUX array is full\n");
|
| 2025 |
return;
|
| 2026 |
} |
| 2027 |
d->ext_opaque[d->mux_cnt] = chr->handler_opaque; |
| 2028 |
d->chr_can_read[d->mux_cnt] = chr->chr_can_read; |
| 2029 |
d->chr_read[d->mux_cnt] = chr->chr_read; |
| 2030 |
d->chr_event[d->mux_cnt] = chr->chr_event; |
| 2031 |
/* Fix up the real driver with mux routines */
|
| 2032 |
if (d->mux_cnt == 0) { |
| 2033 |
qemu_chr_add_handlers(d->drv, mux_chr_can_read, mux_chr_read, |
| 2034 |
mux_chr_event, chr); |
| 2035 |
} |
| 2036 |
chr->focus = d->mux_cnt; |
| 2037 |
d->mux_cnt++; |
| 2038 |
} |
| 2039 |
|
| 2040 |
static CharDriverState *qemu_chr_open_mux(CharDriverState *drv)
|
| 2041 |
{
|
| 2042 |
CharDriverState *chr; |
| 2043 |
MuxDriver *d; |
| 2044 |
|
| 2045 |
chr = qemu_mallocz(sizeof(CharDriverState));
|
| 2046 |
if (!chr)
|
| 2047 |
return NULL; |
| 2048 |
d = qemu_mallocz(sizeof(MuxDriver));
|
| 2049 |
if (!d) {
|
| 2050 |
free(chr); |
| 2051 |
return NULL; |
| 2052 |
} |
| 2053 |
|
| 2054 |
chr->opaque = d; |
| 2055 |
d->drv = drv; |
| 2056 |
chr->focus = -1;
|
| 2057 |
chr->chr_write = mux_chr_write; |
| 2058 |
chr->chr_update_read_handler = mux_chr_update_read_handler; |
| 2059 |
chr->chr_accept_input = mux_chr_accept_input; |
| 2060 |
return chr;
|
| 2061 |
} |
| 2062 |
|
| 2063 |
|
| 2064 |
#ifdef _WIN32
|
| 2065 |
|
| 2066 |
static void socket_cleanup(void) |
| 2067 |
{
|
| 2068 |
WSACleanup(); |
| 2069 |
} |
| 2070 |
|
| 2071 |
static int socket_init(void) |
| 2072 |
{
|
| 2073 |
WSADATA Data; |
| 2074 |
int ret, err;
|
| 2075 |
|
| 2076 |
ret = WSAStartup(MAKEWORD(2,2), &Data); |
| 2077 |
if (ret != 0) { |
| 2078 |
err = WSAGetLastError(); |
| 2079 |
fprintf(stderr, "WSAStartup: %d\n", err);
|
| 2080 |
return -1; |
| 2081 |
} |
| 2082 |
atexit(socket_cleanup); |
| 2083 |
return 0; |
| 2084 |
} |
| 2085 |
|
| 2086 |
static int send_all(int fd, const uint8_t *buf, int len1) |
| 2087 |
{
|
| 2088 |
int ret, len;
|
| 2089 |
|
| 2090 |
len = len1; |
| 2091 |
while (len > 0) { |
| 2092 |
ret = send(fd, buf, len, 0);
|
| 2093 |
if (ret < 0) { |
| 2094 |
int errno;
|
| 2095 |
errno = WSAGetLastError(); |
| 2096 |
if (errno != WSAEWOULDBLOCK) {
|
| 2097 |
return -1; |
| 2098 |
} |
| 2099 |
} else if (ret == 0) { |
| 2100 |
break;
|
| 2101 |
} else {
|
| 2102 |
buf += ret; |
| 2103 |
len -= ret; |
| 2104 |
} |
| 2105 |
} |
| 2106 |
return len1 - len;
|
| 2107 |
} |
| 2108 |
|
| 2109 |
void socket_set_nonblock(int fd) |
| 2110 |
{
|
| 2111 |
unsigned long opt = 1; |
| 2112 |
ioctlsocket(fd, FIONBIO, &opt); |
| 2113 |
} |
| 2114 |
|
| 2115 |
#else
|
| 2116 |
|
| 2117 |
static int unix_write(int fd, const uint8_t *buf, int len1) |
| 2118 |
{
|
| 2119 |
int ret, len;
|
| 2120 |
|
| 2121 |
len = len1; |
| 2122 |
while (len > 0) { |
| 2123 |
ret = write(fd, buf, len); |
| 2124 |
if (ret < 0) { |
| 2125 |
if (errno != EINTR && errno != EAGAIN)
|
| 2126 |
return -1; |
| 2127 |
} else if (ret == 0) { |
| 2128 |
break;
|
| 2129 |
} else {
|
| 2130 |
buf += ret; |
| 2131 |
len -= ret; |
| 2132 |
} |
| 2133 |
} |
| 2134 |
return len1 - len;
|
| 2135 |
} |
| 2136 |
|
| 2137 |
static inline int send_all(int fd, const uint8_t *buf, int len1) |
| 2138 |
{
|
| 2139 |
return unix_write(fd, buf, len1);
|
| 2140 |
} |
| 2141 |
|
| 2142 |
void socket_set_nonblock(int fd) |
| 2143 |
{
|
| 2144 |
int f;
|
| 2145 |
f = fcntl(fd, F_GETFL); |
| 2146 |
fcntl(fd, F_SETFL, f | O_NONBLOCK); |
| 2147 |
} |
| 2148 |
#endif /* !_WIN32 */ |
| 2149 |
|
| 2150 |
#ifndef _WIN32
|
| 2151 |
|
| 2152 |
typedef struct { |
| 2153 |
int fd_in, fd_out;
|
| 2154 |
int max_size;
|
| 2155 |
} FDCharDriver; |
| 2156 |
|
| 2157 |
#define STDIO_MAX_CLIENTS 1 |
| 2158 |
static int stdio_nb_clients = 0; |
| 2159 |
|
| 2160 |
static int fd_chr_write(CharDriverState *chr, const uint8_t *buf, int len) |
| 2161 |
{
|
| 2162 |
FDCharDriver *s = chr->opaque; |
| 2163 |
return unix_write(s->fd_out, buf, len);
|
| 2164 |
} |
| 2165 |
|
| 2166 |
static int fd_chr_read_poll(void *opaque) |
| 2167 |
{
|
| 2168 |
CharDriverState *chr = opaque; |
| 2169 |
FDCharDriver *s = chr->opaque; |
| 2170 |
|
| 2171 |
s->max_size = qemu_chr_can_read(chr); |
| 2172 |
return s->max_size;
|
| 2173 |
} |
| 2174 |
|
| 2175 |
static void fd_chr_read(void *opaque) |
| 2176 |
{
|
| 2177 |
CharDriverState *chr = opaque; |
| 2178 |
FDCharDriver *s = chr->opaque; |
| 2179 |
int size, len;
|
| 2180 |
uint8_t buf[1024];
|
| 2181 |
|
| 2182 |
len = sizeof(buf);
|
| 2183 |
if (len > s->max_size)
|
| 2184 |
len = s->max_size; |
| 2185 |
if (len == 0) |
| 2186 |
return;
|
| 2187 |
size = read(s->fd_in, buf, len); |
| 2188 |
if (size == 0) { |
| 2189 |
/* FD has been closed. Remove it from the active list. */
|
| 2190 |
qemu_set_fd_handler2(s->fd_in, NULL, NULL, NULL, NULL); |
| 2191 |
return;
|
| 2192 |
} |
| 2193 |
if (size > 0) { |
| 2194 |
qemu_chr_read(chr, buf, size); |
| 2195 |
} |
| 2196 |
} |
| 2197 |
|
| 2198 |
static void fd_chr_update_read_handler(CharDriverState *chr) |
| 2199 |
{
|
| 2200 |
FDCharDriver *s = chr->opaque; |
| 2201 |
|
| 2202 |
if (s->fd_in >= 0) { |
| 2203 |
if (nographic && s->fd_in == 0) { |
| 2204 |
} else {
|
| 2205 |
qemu_set_fd_handler2(s->fd_in, fd_chr_read_poll, |
| 2206 |
fd_chr_read, NULL, chr);
|
| 2207 |
} |
| 2208 |
} |
| 2209 |
} |
| 2210 |
|
| 2211 |
static void fd_chr_close(struct CharDriverState *chr) |
| 2212 |
{
|
| 2213 |
FDCharDriver *s = chr->opaque; |
| 2214 |
|
| 2215 |
if (s->fd_in >= 0) { |
| 2216 |
if (nographic && s->fd_in == 0) { |
| 2217 |
} else {
|
| 2218 |
qemu_set_fd_handler2(s->fd_in, NULL, NULL, NULL, NULL); |
| 2219 |
} |
| 2220 |
} |
| 2221 |
|
| 2222 |
qemu_free(s); |
| 2223 |
} |
| 2224 |
|
| 2225 |
/* open a character device to a unix fd */
|
| 2226 |
static CharDriverState *qemu_chr_open_fd(int fd_in, int fd_out) |
| 2227 |
{
|
| 2228 |
CharDriverState *chr; |
| 2229 |
FDCharDriver *s; |
| 2230 |
|
| 2231 |
chr = qemu_mallocz(sizeof(CharDriverState));
|
| 2232 |
if (!chr)
|
| 2233 |
return NULL; |
| 2234 |
s = qemu_mallocz(sizeof(FDCharDriver));
|
| 2235 |
if (!s) {
|
| 2236 |
free(chr); |
| 2237 |
return NULL; |
| 2238 |
} |
| 2239 |
s->fd_in = fd_in; |
| 2240 |
s->fd_out = fd_out; |
| 2241 |
chr->opaque = s; |
| 2242 |
chr->chr_write = fd_chr_write; |
| 2243 |
chr->chr_update_read_handler = fd_chr_update_read_handler; |
| 2244 |
chr->chr_close = fd_chr_close; |
| 2245 |
|
| 2246 |
qemu_chr_reset(chr); |
| 2247 |
|
| 2248 |
return chr;
|
| 2249 |
} |
| 2250 |
|
| 2251 |
static CharDriverState *qemu_chr_open_file_out(const char *file_out) |
| 2252 |
{
|
| 2253 |
int fd_out;
|
| 2254 |
|
| 2255 |
TFR(fd_out = open(file_out, O_WRONLY | O_TRUNC | O_CREAT | O_BINARY, 0666));
|
| 2256 |
if (fd_out < 0) |
| 2257 |
return NULL; |
| 2258 |
return qemu_chr_open_fd(-1, fd_out); |
| 2259 |
} |
| 2260 |
|
| 2261 |
static CharDriverState *qemu_chr_open_pipe(const char *filename) |
| 2262 |
{
|
| 2263 |
int fd_in, fd_out;
|
| 2264 |
char filename_in[256], filename_out[256]; |
| 2265 |
|
| 2266 |
snprintf(filename_in, 256, "%s.in", filename); |
| 2267 |
snprintf(filename_out, 256, "%s.out", filename); |
| 2268 |
TFR(fd_in = open(filename_in, O_RDWR | O_BINARY)); |
| 2269 |
TFR(fd_out = open(filename_out, O_RDWR | O_BINARY)); |
| 2270 |
if (fd_in < 0 || fd_out < 0) { |
| 2271 |
if (fd_in >= 0) |
| 2272 |
close(fd_in); |
| 2273 |
if (fd_out >= 0) |
| 2274 |
close(fd_out); |
| 2275 |
TFR(fd_in = fd_out = open(filename, O_RDWR | O_BINARY)); |
| 2276 |
if (fd_in < 0) |
| 2277 |
return NULL; |
| 2278 |
} |
| 2279 |
return qemu_chr_open_fd(fd_in, fd_out);
|
| 2280 |
} |
| 2281 |
|
| 2282 |
|
| 2283 |
/* for STDIO, we handle the case where several clients use it
|
| 2284 |
(nographic mode) */
|
| 2285 |
|
| 2286 |
#define TERM_FIFO_MAX_SIZE 1 |
| 2287 |
|
| 2288 |
static uint8_t term_fifo[TERM_FIFO_MAX_SIZE];
|
| 2289 |
static int term_fifo_size; |
| 2290 |
|
| 2291 |
static int stdio_read_poll(void *opaque) |
| 2292 |
{
|
| 2293 |
CharDriverState *chr = opaque; |
| 2294 |
|
| 2295 |
/* try to flush the queue if needed */
|
| 2296 |
if (term_fifo_size != 0 && qemu_chr_can_read(chr) > 0) { |
| 2297 |
qemu_chr_read(chr, term_fifo, 1);
|
| 2298 |
term_fifo_size = 0;
|
| 2299 |
} |
| 2300 |
/* see if we can absorb more chars */
|
| 2301 |
if (term_fifo_size == 0) |
| 2302 |
return 1; |
| 2303 |
else
|
| 2304 |
return 0; |
| 2305 |
} |
| 2306 |
|
| 2307 |
static void stdio_read(void *opaque) |
| 2308 |
{
|
| 2309 |
int size;
|
| 2310 |
uint8_t buf[1];
|
| 2311 |
CharDriverState *chr = opaque; |
| 2312 |
|
| 2313 |
size = read(0, buf, 1); |
| 2314 |
if (size == 0) { |
| 2315 |
/* stdin has been closed. Remove it from the active list. */
|
| 2316 |
qemu_set_fd_handler2(0, NULL, NULL, NULL, NULL); |
| 2317 |
return;
|
| 2318 |
} |
| 2319 |
if (size > 0) { |
| 2320 |
if (qemu_chr_can_read(chr) > 0) { |
| 2321 |
qemu_chr_read(chr, buf, 1);
|
| 2322 |
} else if (term_fifo_size == 0) { |
| 2323 |
term_fifo[term_fifo_size++] = buf[0];
|
| 2324 |
} |
| 2325 |
} |
| 2326 |
} |
| 2327 |
|
| 2328 |
/* init terminal so that we can grab keys */
|
| 2329 |
static struct termios oldtty; |
| 2330 |
static int old_fd0_flags; |
| 2331 |
static int term_atexit_done; |
| 2332 |
|
| 2333 |
static void term_exit(void) |
| 2334 |
{
|
| 2335 |
tcsetattr (0, TCSANOW, &oldtty);
|
| 2336 |
fcntl(0, F_SETFL, old_fd0_flags);
|
| 2337 |
} |
| 2338 |
|
| 2339 |
static void term_init(void) |
| 2340 |
{
|
| 2341 |
struct termios tty;
|
| 2342 |
|
| 2343 |
tcgetattr (0, &tty);
|
| 2344 |
oldtty = tty; |
| 2345 |
old_fd0_flags = fcntl(0, F_GETFL);
|
| 2346 |
|
| 2347 |
tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP |
| 2348 |
|INLCR|IGNCR|ICRNL|IXON); |
| 2349 |
tty.c_oflag |= OPOST; |
| 2350 |
tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN); |
| 2351 |
/* if graphical mode, we allow Ctrl-C handling */
|
| 2352 |
if (nographic)
|
| 2353 |
tty.c_lflag &= ~ISIG; |
| 2354 |
tty.c_cflag &= ~(CSIZE|PARENB); |
| 2355 |
tty.c_cflag |= CS8; |
| 2356 |
tty.c_cc[VMIN] = 1;
|
| 2357 |
tty.c_cc[VTIME] = 0;
|
| 2358 |
|
| 2359 |
tcsetattr (0, TCSANOW, &tty);
|
| 2360 |
|
| 2361 |
if (!term_atexit_done++)
|
| 2362 |
atexit(term_exit); |
| 2363 |
|
| 2364 |
fcntl(0, F_SETFL, O_NONBLOCK);
|
| 2365 |
} |
| 2366 |
|
| 2367 |
static void qemu_chr_close_stdio(struct CharDriverState *chr) |
| 2368 |
{
|
| 2369 |
term_exit(); |
| 2370 |
stdio_nb_clients--; |
| 2371 |
qemu_set_fd_handler2(0, NULL, NULL, NULL, NULL); |
| 2372 |
fd_chr_close(chr); |
| 2373 |
} |
| 2374 |
|
| 2375 |
static CharDriverState *qemu_chr_open_stdio(void) |
| 2376 |
{
|
| 2377 |
CharDriverState *chr; |
| 2378 |
|
| 2379 |
if (stdio_nb_clients >= STDIO_MAX_CLIENTS)
|
| 2380 |
return NULL; |
| 2381 |
chr = qemu_chr_open_fd(0, 1); |
| 2382 |
chr->chr_close = qemu_chr_close_stdio; |
| 2383 |
qemu_set_fd_handler2(0, stdio_read_poll, stdio_read, NULL, chr); |
| 2384 |
stdio_nb_clients++; |
| 2385 |
term_init(); |
| 2386 |
|
| 2387 |
return chr;
|
| 2388 |
} |
| 2389 |
|
| 2390 |
#ifdef __sun__
|
| 2391 |
/* Once Solaris has openpty(), this is going to be removed. */
|
| 2392 |
int openpty(int *amaster, int *aslave, char *name, |
| 2393 |
struct termios *termp, struct winsize *winp) |
| 2394 |
{
|
| 2395 |
const char *slave; |
| 2396 |
int mfd = -1, sfd = -1; |
| 2397 |
|
| 2398 |
*amaster = *aslave = -1;
|
| 2399 |
|
| 2400 |
mfd = open("/dev/ptmx", O_RDWR | O_NOCTTY);
|
| 2401 |
if (mfd < 0) |
| 2402 |
goto err;
|
| 2403 |
|
| 2404 |
if (grantpt(mfd) == -1 || unlockpt(mfd) == -1) |
| 2405 |
goto err;
|
| 2406 |
|
| 2407 |
if ((slave = ptsname(mfd)) == NULL) |
| 2408 |
goto err;
|
| 2409 |
|
| 2410 |
if ((sfd = open(slave, O_RDONLY | O_NOCTTY)) == -1) |
| 2411 |
goto err;
|
| 2412 |
|
| 2413 |
if (ioctl(sfd, I_PUSH, "ptem") == -1 || |
| 2414 |
(termp != NULL && tcgetattr(sfd, termp) < 0)) |
| 2415 |
goto err;
|
| 2416 |
|
| 2417 |
if (amaster)
|
| 2418 |
*amaster = mfd; |
| 2419 |
if (aslave)
|
| 2420 |
*aslave = sfd; |
| 2421 |
if (winp)
|
| 2422 |
ioctl(sfd, TIOCSWINSZ, winp); |
| 2423 |
|
| 2424 |
return 0; |
| 2425 |
|
| 2426 |
err:
|
| 2427 |
if (sfd != -1) |
| 2428 |
close(sfd); |
| 2429 |
close(mfd); |
| 2430 |
return -1; |
| 2431 |
} |
| 2432 |
|
| 2433 |
void cfmakeraw (struct termios *termios_p) |
| 2434 |
{
|
| 2435 |
termios_p->c_iflag &= |
| 2436 |
~(IGNBRK|BRKINT|PARMRK|ISTRIP|INLCR|IGNCR|ICRNL|IXON); |
| 2437 |
termios_p->c_oflag &= ~OPOST; |
| 2438 |
termios_p->c_lflag &= ~(ECHO|ECHONL|ICANON|ISIG|IEXTEN); |
| 2439 |
termios_p->c_cflag &= ~(CSIZE|PARENB); |
| 2440 |
termios_p->c_cflag |= CS8; |
| 2441 |
|
| 2442 |
termios_p->c_cc[VMIN] = 0;
|
| 2443 |
termios_p->c_cc[VTIME] = 0;
|
| 2444 |
} |
| 2445 |
#endif
|
| 2446 |
|
| 2447 |
#if defined(__linux__) || defined(__sun__)
|
| 2448 |
static CharDriverState *qemu_chr_open_pty(void) |
| 2449 |
{
|
| 2450 |
struct termios tty;
|
| 2451 |
int master_fd, slave_fd;
|
| 2452 |
|
| 2453 |
if (openpty(&master_fd, &slave_fd, NULL, NULL, NULL) < 0) { |
| 2454 |
return NULL; |
| 2455 |
} |
| 2456 |
|
| 2457 |
/* Set raw attributes on the pty. */
|
| 2458 |
cfmakeraw(&tty); |
| 2459 |
tcsetattr(slave_fd, TCSAFLUSH, &tty); |
| 2460 |
|
| 2461 |
fprintf(stderr, "char device redirected to %s\n", ptsname(master_fd));
|
| 2462 |
return qemu_chr_open_fd(master_fd, master_fd);
|
| 2463 |
} |
| 2464 |
|
| 2465 |
static void tty_serial_init(int fd, int speed, |
| 2466 |
int parity, int data_bits, int stop_bits) |
| 2467 |
{
|
| 2468 |
struct termios tty;
|
| 2469 |
speed_t spd; |
| 2470 |
|
| 2471 |
#if 0
|
| 2472 |
printf("tty_serial_init: speed=%d parity=%c data=%d stop=%d\n",
|
| 2473 |
speed, parity, data_bits, stop_bits);
|
| 2474 |
#endif
|
| 2475 |
tcgetattr (fd, &tty); |
| 2476 |
|
| 2477 |
#define MARGIN 1.1 |
| 2478 |
if (speed <= 50 * MARGIN) |
| 2479 |
spd = B50; |
| 2480 |
else if (speed <= 75 * MARGIN) |
| 2481 |
spd = B75; |
| 2482 |
else if (speed <= 300 * MARGIN) |
| 2483 |
spd = B300; |
| 2484 |
else if (speed <= 600 * MARGIN) |
| 2485 |
spd = B600; |
| 2486 |
else if (speed <= 1200 * MARGIN) |
| 2487 |
spd = B1200; |
| 2488 |
else if (speed <= 2400 * MARGIN) |
| 2489 |
spd = B2400; |
| 2490 |
else if (speed <= 4800 * MARGIN) |
| 2491 |
spd = B4800; |
| 2492 |
else if (speed <= 9600 * MARGIN) |
| 2493 |
spd = B9600; |
| 2494 |
else if (speed <= 19200 * MARGIN) |
| 2495 |
spd = B19200; |
| 2496 |
else if (speed <= 38400 * MARGIN) |
| 2497 |
spd = B38400; |
| 2498 |
else if (speed <= 57600 * MARGIN) |
| 2499 |
spd = B57600; |
| 2500 |
else if (speed <= 115200 * MARGIN) |
| 2501 |
spd = B115200; |
| 2502 |
else
|
| 2503 |
spd = B115200; |
| 2504 |
|
| 2505 |
cfsetispeed(&tty, spd); |
| 2506 |
cfsetospeed(&tty, spd); |
| 2507 |
|
| 2508 |
tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP |
| 2509 |
|INLCR|IGNCR|ICRNL|IXON); |
| 2510 |
tty.c_oflag |= OPOST; |
| 2511 |
tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN|ISIG); |
| 2512 |
tty.c_cflag &= ~(CSIZE|PARENB|PARODD|CRTSCTS|CSTOPB); |
| 2513 |
switch(data_bits) {
|
| 2514 |
default:
|
| 2515 |
case 8: |
| 2516 |
tty.c_cflag |= CS8; |
| 2517 |
break;
|
| 2518 |
case 7: |
| 2519 |
tty.c_cflag |= CS7; |
| 2520 |
break;
|
| 2521 |
case 6: |
| 2522 |
tty.c_cflag |= CS6; |
| 2523 |
break;
|
| 2524 |
case 5: |
| 2525 |
tty.c_cflag |= CS5; |
| 2526 |
break;
|
| 2527 |
} |
| 2528 |
switch(parity) {
|
| 2529 |
default:
|
| 2530 |
case 'N': |
| 2531 |
break;
|
| 2532 |
case 'E': |
| 2533 |
tty.c_cflag |= PARENB; |
| 2534 |
break;
|
| 2535 |
case 'O': |
| 2536 |
tty.c_cflag |= PARENB | PARODD; |
| 2537 |
break;
|
| 2538 |
} |
| 2539 |
if (stop_bits == 2) |
| 2540 |
tty.c_cflag |= CSTOPB; |
| 2541 |
|
| 2542 |
tcsetattr (fd, TCSANOW, &tty); |
| 2543 |
} |
| 2544 |
|
| 2545 |
static int tty_serial_ioctl(CharDriverState *chr, int cmd, void *arg) |
| 2546 |
{
|
| 2547 |
FDCharDriver *s = chr->opaque; |
| 2548 |
|
| 2549 |
switch(cmd) {
|
| 2550 |
case CHR_IOCTL_SERIAL_SET_PARAMS:
|
| 2551 |
{
|
| 2552 |
QEMUSerialSetParams *ssp = arg; |
| 2553 |
tty_serial_init(s->fd_in, ssp->speed, ssp->parity, |
| 2554 |
ssp->data_bits, ssp->stop_bits); |
| 2555 |
} |
| 2556 |
break;
|
| 2557 |
case CHR_IOCTL_SERIAL_SET_BREAK:
|
| 2558 |
{
|
| 2559 |
int enable = *(int *)arg; |
| 2560 |
if (enable)
|
| 2561 |
tcsendbreak(s->fd_in, 1);
|
| 2562 |
} |
| 2563 |
break;
|
| 2564 |
default:
|
| 2565 |
return -ENOTSUP;
|
| 2566 |
} |
| 2567 |
return 0; |
| 2568 |
} |
| 2569 |
|
| 2570 |
static CharDriverState *qemu_chr_open_tty(const char *filename) |
| 2571 |
{
|
| 2572 |
CharDriverState *chr; |
| 2573 |
int fd;
|
| 2574 |
|
| 2575 |
TFR(fd = open(filename, O_RDWR | O_NONBLOCK)); |
| 2576 |
tty_serial_init(fd, 115200, 'N', 8, 1); |
| 2577 |
chr = qemu_chr_open_fd(fd, fd); |
| 2578 |
if (!chr) {
|
| 2579 |
close(fd); |
| 2580 |
return NULL; |
| 2581 |
} |
| 2582 |
chr->chr_ioctl = tty_serial_ioctl; |
| 2583 |
qemu_chr_reset(chr); |
| 2584 |
return chr;
|
| 2585 |
} |
| 2586 |
#else /* ! __linux__ && ! __sun__ */ |
| 2587 |
static CharDriverState *qemu_chr_open_pty(void) |
| 2588 |
{
|
| 2589 |
return NULL; |
| 2590 |
} |
| 2591 |
#endif /* __linux__ || __sun__ */ |
| 2592 |
|
| 2593 |
#if defined(__linux__)
|
| 2594 |
typedef struct { |
| 2595 |
int fd;
|
| 2596 |
int mode;
|
| 2597 |
} ParallelCharDriver; |
| 2598 |
|
| 2599 |
static int pp_hw_mode(ParallelCharDriver *s, uint16_t mode) |
| 2600 |
{
|
| 2601 |
if (s->mode != mode) {
|
| 2602 |
int m = mode;
|
| 2603 |
if (ioctl(s->fd, PPSETMODE, &m) < 0) |
| 2604 |
return 0; |
| 2605 |
s->mode = mode; |
| 2606 |
} |
| 2607 |
return 1; |
| 2608 |
} |
| 2609 |
|
| 2610 |
static int pp_ioctl(CharDriverState *chr, int cmd, void *arg) |
| 2611 |
{
|
| 2612 |
ParallelCharDriver *drv = chr->opaque; |
| 2613 |
int fd = drv->fd;
|
| 2614 |
uint8_t b; |
| 2615 |
|
| 2616 |
switch(cmd) {
|
| 2617 |
case CHR_IOCTL_PP_READ_DATA:
|
| 2618 |
if (ioctl(fd, PPRDATA, &b) < 0) |
| 2619 |
return -ENOTSUP;
|
| 2620 |
*(uint8_t *)arg = b; |
| 2621 |
break;
|
| 2622 |
case CHR_IOCTL_PP_WRITE_DATA:
|
| 2623 |
b = *(uint8_t *)arg; |
| 2624 |
if (ioctl(fd, PPWDATA, &b) < 0) |
| 2625 |
return -ENOTSUP;
|
| 2626 |
break;
|
| 2627 |
case CHR_IOCTL_PP_READ_CONTROL:
|
| 2628 |
if (ioctl(fd, PPRCONTROL, &b) < 0) |
| 2629 |
return -ENOTSUP;
|
| 2630 |
/* Linux gives only the lowest bits, and no way to know data
|
| 2631 |
direction! For better compatibility set the fixed upper
|
| 2632 |
bits. */
|
| 2633 |
*(uint8_t *)arg = b | 0xc0;
|
| 2634 |
break;
|
| 2635 |
case CHR_IOCTL_PP_WRITE_CONTROL:
|
| 2636 |
b = *(uint8_t *)arg; |
| 2637 |
if (ioctl(fd, PPWCONTROL, &b) < 0) |
| 2638 |
return -ENOTSUP;
|
| 2639 |
break;
|
| 2640 |
case CHR_IOCTL_PP_READ_STATUS:
|
| 2641 |
if (ioctl(fd, PPRSTATUS, &b) < 0) |
| 2642 |
return -ENOTSUP;
|
| 2643 |
*(uint8_t *)arg = b; |
| 2644 |
break;
|
| 2645 |
case CHR_IOCTL_PP_EPP_READ_ADDR:
|
| 2646 |
if (pp_hw_mode(drv, IEEE1284_MODE_EPP|IEEE1284_ADDR)) {
|
| 2647 |
struct ParallelIOArg *parg = arg;
|
| 2648 |
int n = read(fd, parg->buffer, parg->count);
|
| 2649 |
if (n != parg->count) {
|
| 2650 |
return -EIO;
|
| 2651 |
} |
| 2652 |
} |
| 2653 |
break;
|
| 2654 |
case CHR_IOCTL_PP_EPP_READ:
|
| 2655 |
if (pp_hw_mode(drv, IEEE1284_MODE_EPP)) {
|
| 2656 |
struct ParallelIOArg *parg = arg;
|
| 2657 |
int n = read(fd, parg->buffer, parg->count);
|
| 2658 |
if (n != parg->count) {
|
| 2659 |
return -EIO;
|
| 2660 |
} |
| 2661 |
} |
| 2662 |
break;
|
| 2663 |
case CHR_IOCTL_PP_EPP_WRITE_ADDR:
|
| 2664 |
if (pp_hw_mode(drv, IEEE1284_MODE_EPP|IEEE1284_ADDR)) {
|
| 2665 |
struct ParallelIOArg *parg = arg;
|
| 2666 |
int n = write(fd, parg->buffer, parg->count);
|
| 2667 |
if (n != parg->count) {
|
| 2668 |
return -EIO;
|
| 2669 |
} |
| 2670 |
} |
| 2671 |
break;
|
| 2672 |
case CHR_IOCTL_PP_EPP_WRITE:
|
| 2673 |
if (pp_hw_mode(drv, IEEE1284_MODE_EPP)) {
|
| 2674 |
struct ParallelIOArg *parg = arg;
|
| 2675 |
int n = write(fd, parg->buffer, parg->count);
|
| 2676 |
if (n != parg->count) {
|
| 2677 |
return -EIO;
|
| 2678 |
} |
| 2679 |
} |
| 2680 |
break;
|
| 2681 |
default:
|
| 2682 |
return -ENOTSUP;
|
| 2683 |
} |
| 2684 |
return 0; |
| 2685 |
} |
| 2686 |
|
| 2687 |
static void pp_close(CharDriverState *chr) |
| 2688 |
{
|
| 2689 |
ParallelCharDriver *drv = chr->opaque; |
| 2690 |
int fd = drv->fd;
|
| 2691 |
|
| 2692 |
pp_hw_mode(drv, IEEE1284_MODE_COMPAT); |
| 2693 |
ioctl(fd, PPRELEASE); |
| 2694 |
close(fd); |
| 2695 |
qemu_free(drv); |
| 2696 |
} |
| 2697 |
|
| 2698 |
static CharDriverState *qemu_chr_open_pp(const char *filename) |
| 2699 |
{
|
| 2700 |
CharDriverState *chr; |
| 2701 |
ParallelCharDriver *drv; |
| 2702 |
int fd;
|
| 2703 |
|
| 2704 |
TFR(fd = open(filename, O_RDWR)); |
| 2705 |
if (fd < 0) |
| 2706 |
return NULL; |
| 2707 |
|
| 2708 |
if (ioctl(fd, PPCLAIM) < 0) { |
| 2709 |
close(fd); |
| 2710 |
return NULL; |
| 2711 |
} |
| 2712 |
|
| 2713 |
drv = qemu_mallocz(sizeof(ParallelCharDriver));
|
| 2714 |
if (!drv) {
|
| 2715 |
close(fd); |
| 2716 |
return NULL; |
| 2717 |
} |
| 2718 |
drv->fd = fd; |
| 2719 |
drv->mode = IEEE1284_MODE_COMPAT; |
| 2720 |
|
| 2721 |
chr = qemu_mallocz(sizeof(CharDriverState));
|
| 2722 |
if (!chr) {
|
| 2723 |
qemu_free(drv); |
| 2724 |
close(fd); |
| 2725 |
return NULL; |
| 2726 |
} |
| 2727 |
chr->chr_write = null_chr_write; |
| 2728 |
chr->chr_ioctl = pp_ioctl; |
| 2729 |
chr->chr_close = pp_close; |
| 2730 |
chr->opaque = drv; |
| 2731 |
|
| 2732 |
qemu_chr_reset(chr); |
| 2733 |
|
| 2734 |
return chr;
|
| 2735 |
} |
| 2736 |
#endif /* __linux__ */ |
| 2737 |
|
| 2738 |
#else /* _WIN32 */ |
| 2739 |
|
| 2740 |
typedef struct { |
| 2741 |
int max_size;
|
| 2742 |
HANDLE hcom, hrecv, hsend; |
| 2743 |
OVERLAPPED orecv, osend; |
| 2744 |
BOOL fpipe; |
| 2745 |
DWORD len; |
| 2746 |
} WinCharState; |
| 2747 |
|
| 2748 |
#define NSENDBUF 2048 |
| 2749 |
#define NRECVBUF 2048 |
| 2750 |
#define MAXCONNECT 1 |
| 2751 |
#define NTIMEOUT 5000 |
| 2752 |
|
| 2753 |
static int win_chr_poll(void *opaque); |
| 2754 |
static int win_chr_pipe_poll(void *opaque); |
| 2755 |
|
| 2756 |
static void win_chr_close(CharDriverState *chr) |
| 2757 |
{
|
| 2758 |
WinCharState *s = chr->opaque; |
| 2759 |
|
| 2760 |
if (s->hsend) {
|
| 2761 |
CloseHandle(s->hsend); |
| 2762 |
s->hsend = NULL;
|
| 2763 |
} |
| 2764 |
if (s->hrecv) {
|
| 2765 |
CloseHandle(s->hrecv); |
| 2766 |
s->hrecv = NULL;
|
| 2767 |
} |
| 2768 |
if (s->hcom) {
|
| 2769 |
CloseHandle(s->hcom); |
| 2770 |
s->hcom = NULL;
|
| 2771 |
} |
| 2772 |
if (s->fpipe)
|
| 2773 |
qemu_del_polling_cb(win_chr_pipe_poll, chr); |
| 2774 |
else
|
| 2775 |
qemu_del_polling_cb(win_chr_poll, chr); |
| 2776 |
} |
| 2777 |
|
| 2778 |
static int win_chr_init(CharDriverState *chr, const char *filename) |
| 2779 |
{
|
| 2780 |
WinCharState *s = chr->opaque; |
| 2781 |
COMMCONFIG comcfg; |
| 2782 |
COMMTIMEOUTS cto = { 0, 0, 0, 0, 0};
|
| 2783 |
COMSTAT comstat; |
| 2784 |
DWORD size; |
| 2785 |
DWORD err; |
| 2786 |
|
| 2787 |
s->hsend = CreateEvent(NULL, TRUE, FALSE, NULL); |
| 2788 |
if (!s->hsend) {
|
| 2789 |
fprintf(stderr, "Failed CreateEvent\n");
|
| 2790 |
goto fail;
|
| 2791 |
} |
| 2792 |
s->hrecv = CreateEvent(NULL, TRUE, FALSE, NULL); |
| 2793 |
if (!s->hrecv) {
|
| 2794 |
fprintf(stderr, "Failed CreateEvent\n");
|
| 2795 |
goto fail;
|
| 2796 |
} |
| 2797 |
|
| 2798 |
s->hcom = CreateFile(filename, GENERIC_READ|GENERIC_WRITE, 0, NULL, |
| 2799 |
OPEN_EXISTING, FILE_FLAG_OVERLAPPED, 0);
|
| 2800 |
if (s->hcom == INVALID_HANDLE_VALUE) {
|
| 2801 |
fprintf(stderr, "Failed CreateFile (%lu)\n", GetLastError());
|
| 2802 |
s->hcom = NULL;
|
| 2803 |
goto fail;
|
| 2804 |
} |
| 2805 |
|
| 2806 |
if (!SetupComm(s->hcom, NRECVBUF, NSENDBUF)) {
|
| 2807 |
fprintf(stderr, "Failed SetupComm\n");
|
| 2808 |
goto fail;
|
| 2809 |
} |
| 2810 |
|
| 2811 |
ZeroMemory(&comcfg, sizeof(COMMCONFIG));
|
| 2812 |
size = sizeof(COMMCONFIG);
|
| 2813 |
GetDefaultCommConfig(filename, &comcfg, &size); |
| 2814 |
comcfg.dcb.DCBlength = sizeof(DCB);
|
| 2815 |
CommConfigDialog(filename, NULL, &comcfg);
|
| 2816 |
|
| 2817 |
if (!SetCommState(s->hcom, &comcfg.dcb)) {
|
| 2818 |
fprintf(stderr, "Failed SetCommState\n");
|
| 2819 |
goto fail;
|
| 2820 |
} |
| 2821 |
|
| 2822 |
if (!SetCommMask(s->hcom, EV_ERR)) {
|
| 2823 |
fprintf(stderr, "Failed SetCommMask\n");
|
| 2824 |
goto fail;
|
| 2825 |
} |
| 2826 |
|
| 2827 |
cto.ReadIntervalTimeout = MAXDWORD; |
| 2828 |
if (!SetCommTimeouts(s->hcom, &cto)) {
|
| 2829 |
fprintf(stderr, "Failed SetCommTimeouts\n");
|
| 2830 |
goto fail;
|
| 2831 |
} |
| 2832 |
|
| 2833 |
if (!ClearCommError(s->hcom, &err, &comstat)) {
|
| 2834 |
fprintf(stderr, "Failed ClearCommError\n");
|
| 2835 |
goto fail;
|
| 2836 |
} |
| 2837 |
qemu_add_polling_cb(win_chr_poll, chr); |
| 2838 |
return 0; |
| 2839 |
|
| 2840 |
fail:
|
| 2841 |
win_chr_close(chr); |
| 2842 |
return -1; |
| 2843 |
} |
| 2844 |
|
| 2845 |
static int win_chr_write(CharDriverState *chr, const uint8_t *buf, int len1) |
| 2846 |
{
|
| 2847 |
WinCharState *s = chr->opaque; |
| 2848 |
DWORD len, ret, size, err; |
| 2849 |
|
| 2850 |
len = len1; |
| 2851 |
ZeroMemory(&s->osend, sizeof(s->osend));
|
| 2852 |
s->osend.hEvent = s->hsend; |
| 2853 |
while (len > 0) { |
| 2854 |
if (s->hsend)
|
| 2855 |
ret = WriteFile(s->hcom, buf, len, &size, &s->osend); |
| 2856 |
else
|
| 2857 |
ret = WriteFile(s->hcom, buf, len, &size, NULL);
|
| 2858 |
if (!ret) {
|
| 2859 |
err = GetLastError(); |
| 2860 |
if (err == ERROR_IO_PENDING) {
|
| 2861 |
ret = GetOverlappedResult(s->hcom, &s->osend, &size, TRUE); |
| 2862 |
if (ret) {
|
| 2863 |
buf += size; |
| 2864 |
len -= size; |
| 2865 |
} else {
|
| 2866 |
break;
|
| 2867 |
} |
| 2868 |
} else {
|
| 2869 |
break;
|
| 2870 |
} |
| 2871 |
} else {
|
| 2872 |
buf += size; |
| 2873 |
len -= size; |
| 2874 |
} |
| 2875 |
} |
| 2876 |
return len1 - len;
|
| 2877 |
} |
| 2878 |
|
| 2879 |
static int win_chr_read_poll(CharDriverState *chr) |
| 2880 |
{
|
| 2881 |
WinCharState *s = chr->opaque; |
| 2882 |
|
| 2883 |
s->max_size = qemu_chr_can_read(chr); |
| 2884 |
return s->max_size;
|
| 2885 |
} |
| 2886 |
|
| 2887 |
static void win_chr_readfile(CharDriverState *chr) |
| 2888 |
{
|
| 2889 |
WinCharState *s = chr->opaque; |
| 2890 |
int ret, err;
|
| 2891 |
uint8_t buf[1024];
|
| 2892 |
DWORD size; |
| 2893 |
|
| 2894 |
ZeroMemory(&s->orecv, sizeof(s->orecv));
|
| 2895 |
s->orecv.hEvent = s->hrecv; |
| 2896 |
ret = ReadFile(s->hcom, buf, s->len, &size, &s->orecv); |
| 2897 |
if (!ret) {
|
| 2898 |
err = GetLastError(); |
| 2899 |
if (err == ERROR_IO_PENDING) {
|
| 2900 |
ret = GetOverlappedResult(s->hcom, &s->orecv, &size, TRUE); |
| 2901 |
} |
| 2902 |
} |
| 2903 |
|
| 2904 |
if (size > 0) { |
| 2905 |
qemu_chr_read(chr, buf, size); |
| 2906 |
} |
| 2907 |
} |
| 2908 |
|
| 2909 |
static void win_chr_read(CharDriverState *chr) |
| 2910 |
{
|
| 2911 |
WinCharState *s = chr->opaque; |
| 2912 |
|
| 2913 |
if (s->len > s->max_size)
|
| 2914 |
s->len = s->max_size; |
| 2915 |
if (s->len == 0) |
| 2916 |
return;
|
| 2917 |
|
| 2918 |
win_chr_readfile(chr); |
| 2919 |
} |
| 2920 |
|
| 2921 |
static int win_chr_poll(void *opaque) |
| 2922 |
{
|
| 2923 |
CharDriverState *chr = opaque; |
| 2924 |
WinCharState *s = chr->opaque; |
| 2925 |
COMSTAT status; |
| 2926 |
DWORD comerr; |
| 2927 |
|
| 2928 |
ClearCommError(s->hcom, &comerr, &status); |
| 2929 |
if (status.cbInQue > 0) { |
| 2930 |
s->len = status.cbInQue; |
| 2931 |
win_chr_read_poll(chr); |
| 2932 |
win_chr_read(chr); |
| 2933 |
return 1; |
| 2934 |
} |
| 2935 |
return 0; |
| 2936 |
} |
| 2937 |
|
| 2938 |
static CharDriverState *qemu_chr_open_win(const char *filename) |
| 2939 |
{
|
| 2940 |
CharDriverState *chr; |
| 2941 |
WinCharState *s; |
| 2942 |
|
| 2943 |
chr = qemu_mallocz(sizeof(CharDriverState));
|
| 2944 |
if (!chr)
|
| 2945 |
return NULL; |
| 2946 |
s = qemu_mallocz(sizeof(WinCharState));
|
| 2947 |
if (!s) {
|
| 2948 |
free(chr); |
| 2949 |
return NULL; |
| 2950 |
} |
| 2951 |
chr->opaque = s; |
| 2952 |
chr->chr_write = win_chr_write; |
| 2953 |
chr->chr_close = win_chr_close; |
| 2954 |
|
| 2955 |
if (win_chr_init(chr, filename) < 0) { |
| 2956 |
free(s); |
| 2957 |
free(chr); |
| 2958 |
return NULL; |
| 2959 |
} |
| 2960 |
qemu_chr_reset(chr); |
| 2961 |
return chr;
|
| 2962 |
} |
| 2963 |
|
| 2964 |
static int win_chr_pipe_poll(void *opaque) |
| 2965 |
{
|
| 2966 |
CharDriverState *chr = opaque; |
| 2967 |
WinCharState *s = chr->opaque; |
| 2968 |
DWORD size; |
| 2969 |
|
| 2970 |
PeekNamedPipe(s->hcom, NULL, 0, NULL, &size, NULL); |
| 2971 |
if (size > 0) { |
| 2972 |
s->len = size; |
| 2973 |
win_chr_read_poll(chr); |
| 2974 |
win_chr_read(chr); |
| 2975 |
return 1; |
| 2976 |
} |
| 2977 |
return 0; |
| 2978 |
} |
| 2979 |
|
| 2980 |
static int win_chr_pipe_init(CharDriverState *chr, const char *filename) |
| 2981 |
{
|
| 2982 |
WinCharState *s = chr->opaque; |
| 2983 |
OVERLAPPED ov; |
| 2984 |
int ret;
|
| 2985 |
DWORD size; |
| 2986 |
char openname[256]; |
| 2987 |
|
| 2988 |
s->fpipe = TRUE; |
| 2989 |
|
| 2990 |
s->hsend = CreateEvent(NULL, TRUE, FALSE, NULL); |
| 2991 |
if (!s->hsend) {
|
| 2992 |
fprintf(stderr, "Failed CreateEvent\n");
|
| 2993 |
goto fail;
|
| 2994 |
} |
| 2995 |
s->hrecv = CreateEvent(NULL, TRUE, FALSE, NULL); |
| 2996 |
if (!s->hrecv) {
|
| 2997 |
fprintf(stderr, "Failed CreateEvent\n");
|
| 2998 |
goto fail;
|
| 2999 |
} |
| 3000 |
|
| 3001 |
snprintf(openname, sizeof(openname), "\\\\.\\pipe\\%s", filename); |
| 3002 |
s->hcom = CreateNamedPipe(openname, PIPE_ACCESS_DUPLEX | FILE_FLAG_OVERLAPPED, |
| 3003 |
PIPE_TYPE_BYTE | PIPE_READMODE_BYTE | |
| 3004 |
PIPE_WAIT, |
| 3005 |
MAXCONNECT, NSENDBUF, NRECVBUF, NTIMEOUT, NULL);
|
| 3006 |
if (s->hcom == INVALID_HANDLE_VALUE) {
|
| 3007 |
fprintf(stderr, "Failed CreateNamedPipe (%lu)\n", GetLastError());
|
| 3008 |
s->hcom = NULL;
|
| 3009 |
goto fail;
|
| 3010 |
} |
| 3011 |
|
| 3012 |
ZeroMemory(&ov, sizeof(ov));
|
| 3013 |
ov.hEvent = CreateEvent(NULL, TRUE, FALSE, NULL); |
| 3014 |
ret = ConnectNamedPipe(s->hcom, &ov); |
| 3015 |
if (ret) {
|
| 3016 |
fprintf(stderr, "Failed ConnectNamedPipe\n");
|
| 3017 |
goto fail;
|
| 3018 |
} |
| 3019 |
|
| 3020 |
ret = GetOverlappedResult(s->hcom, &ov, &size, TRUE); |
| 3021 |
if (!ret) {
|
| 3022 |
fprintf(stderr, "Failed GetOverlappedResult\n");
|
| 3023 |
if (ov.hEvent) {
|
| 3024 |
CloseHandle(ov.hEvent); |
| 3025 |
ov.hEvent = NULL;
|
| 3026 |
} |
| 3027 |
goto fail;
|
| 3028 |
} |
| 3029 |
|
| 3030 |
if (ov.hEvent) {
|
| 3031 |
CloseHandle(ov.hEvent); |
| 3032 |
ov.hEvent = NULL;
|
| 3033 |
} |
| 3034 |
qemu_add_polling_cb(win_chr_pipe_poll, chr); |
| 3035 |
return 0; |
| 3036 |
|
| 3037 |
fail:
|
| 3038 |
win_chr_close(chr); |
| 3039 |
return -1; |
| 3040 |
} |
| 3041 |
|
| 3042 |
|
| 3043 |
static CharDriverState *qemu_chr_open_win_pipe(const char *filename) |
| 3044 |
{
|
| 3045 |
CharDriverState *chr; |
| 3046 |
WinCharState *s; |
| 3047 |
|
| 3048 |
chr = qemu_mallocz(sizeof(CharDriverState));
|
| 3049 |
if (!chr)
|
| 3050 |
return NULL; |
| 3051 |
s = qemu_mallocz(sizeof(WinCharState));
|
| 3052 |
if (!s) {
|
| 3053 |
free(chr); |
| 3054 |
return NULL; |
| 3055 |
} |
| 3056 |
chr->opaque = s; |
| 3057 |
chr->chr_write = win_chr_write; |
| 3058 |
chr->chr_close = win_chr_close; |
| 3059 |
|
| 3060 |
if (win_chr_pipe_init(chr, filename) < 0) { |
| 3061 |
free(s); |
| 3062 |
free(chr); |
| 3063 |
return NULL; |
| 3064 |
} |
| 3065 |
qemu_chr_reset(chr); |
| 3066 |
return chr;
|
| 3067 |
} |
| 3068 |
|
| 3069 |
static CharDriverState *qemu_chr_open_win_file(HANDLE fd_out)
|
| 3070 |
{
|
| 3071 |
CharDriverState *chr; |
| 3072 |
WinCharState *s; |
| 3073 |
|
| 3074 |
chr = qemu_mallocz(sizeof(CharDriverState));
|
| 3075 |
if (!chr)
|
| 3076 |
return NULL; |
| 3077 |
s = qemu_mallocz(sizeof(WinCharState));
|
| 3078 |
if (!s) {
|
| 3079 |
free(chr); |
| 3080 |
return NULL; |
| 3081 |
} |
| 3082 |
s->hcom = fd_out; |
| 3083 |
chr->opaque = s; |
| 3084 |
chr->chr_write = win_chr_write; |
| 3085 |
qemu_chr_reset(chr); |
| 3086 |
return chr;
|
| 3087 |
} |
| 3088 |
|
| 3089 |
static CharDriverState *qemu_chr_open_win_con(const char *filename) |
| 3090 |
{
|
| 3091 |
return qemu_chr_open_win_file(GetStdHandle(STD_OUTPUT_HANDLE));
|
| 3092 |
} |
| 3093 |
|
| 3094 |
static CharDriverState *qemu_chr_open_win_file_out(const char *file_out) |
| 3095 |
{
|
| 3096 |
HANDLE fd_out; |
| 3097 |
|
| 3098 |
fd_out = CreateFile(file_out, GENERIC_WRITE, FILE_SHARE_READ, NULL,
|
| 3099 |
OPEN_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
|
| 3100 |
if (fd_out == INVALID_HANDLE_VALUE)
|
| 3101 |
return NULL; |
| 3102 |
|
| 3103 |
return qemu_chr_open_win_file(fd_out);
|
| 3104 |
} |
| 3105 |
#endif /* !_WIN32 */ |
| 3106 |
|
| 3107 |
/***********************************************************/
|
| 3108 |
/* UDP Net console */
|
| 3109 |
|
| 3110 |
typedef struct { |
| 3111 |
int fd;
|
| 3112 |
struct sockaddr_in daddr;
|
| 3113 |
uint8_t buf[1024];
|
| 3114 |
int bufcnt;
|
| 3115 |
int bufptr;
|
| 3116 |
int max_size;
|
| 3117 |
} NetCharDriver; |
| 3118 |
|
| 3119 |
static int udp_chr_write(CharDriverState *chr, const uint8_t *buf, int len) |
| 3120 |
{
|
| 3121 |
NetCharDriver *s = chr->opaque; |
| 3122 |
|
| 3123 |
return sendto(s->fd, buf, len, 0, |
| 3124 |
(struct sockaddr *)&s->daddr, sizeof(struct sockaddr_in)); |
| 3125 |
} |
| 3126 |
|
| 3127 |
static int udp_chr_read_poll(void *opaque) |
| 3128 |
{
|
| 3129 |
CharDriverState *chr = opaque; |
| 3130 |
NetCharDriver *s = chr->opaque; |
| 3131 |
|
| 3132 |
s->max_size = qemu_chr_can_read(chr); |
| 3133 |
|
| 3134 |
/* If there were any stray characters in the queue process them
|
| 3135 |
* first
|
| 3136 |
*/
|
| 3137 |
while (s->max_size > 0 && s->bufptr < s->bufcnt) { |
| 3138 |
qemu_chr_read(chr, &s->buf[s->bufptr], 1);
|
| 3139 |
s->bufptr++; |
| 3140 |
s->max_size = qemu_chr_can_read(chr); |
| 3141 |
} |
| 3142 |
return s->max_size;
|
| 3143 |
} |
| 3144 |
|
| 3145 |
static void udp_chr_read(void *opaque) |
| 3146 |
{
|
| 3147 |
CharDriverState *chr = opaque; |
| 3148 |
NetCharDriver *s = chr->opaque; |
| 3149 |
|
| 3150 |
if (s->max_size == 0) |
| 3151 |
return;
|
| 3152 |
s->bufcnt = recv(s->fd, s->buf, sizeof(s->buf), 0); |
| 3153 |
s->bufptr = s->bufcnt; |
| 3154 |
if (s->bufcnt <= 0) |
| 3155 |
return;
|
| 3156 |
|
| 3157 |
s->bufptr = 0;
|
| 3158 |
while (s->max_size > 0 && s->bufptr < s->bufcnt) { |
| 3159 |
qemu_chr_read(chr, &s->buf[s->bufptr], 1);
|
| 3160 |
s->bufptr++; |
| 3161 |
s->max_size = qemu_chr_can_read(chr); |
| 3162 |
} |
| 3163 |
} |
| 3164 |
|
| 3165 |
static void udp_chr_update_read_handler(CharDriverState *chr) |
| 3166 |
{
|
| 3167 |
NetCharDriver *s = chr->opaque; |
| 3168 |
|
| 3169 |
if (s->fd >= 0) { |
| 3170 |
qemu_set_fd_handler2(s->fd, udp_chr_read_poll, |
| 3171 |
udp_chr_read, NULL, chr);
|
| 3172 |
} |
| 3173 |
} |
| 3174 |
|
| 3175 |
int parse_host_port(struct sockaddr_in *saddr, const char *str); |
| 3176 |
#ifndef _WIN32
|
| 3177 |
static int parse_unix_path(struct sockaddr_un *uaddr, const char *str); |
| 3178 |
#endif
|
| 3179 |
int parse_host_src_port(struct sockaddr_in *haddr, |
| 3180 |
struct sockaddr_in *saddr,
|
| 3181 |
const char *str); |
| 3182 |
|
| 3183 |
static CharDriverState *qemu_chr_open_udp(const char *def) |
| 3184 |
{
|
| 3185 |
CharDriverState *chr = NULL;
|
| 3186 |
NetCharDriver *s = NULL;
|
| 3187 |
int fd = -1; |
| 3188 |
struct sockaddr_in saddr;
|
| 3189 |
|
| 3190 |
chr = qemu_mallocz(sizeof(CharDriverState));
|
| 3191 |
if (!chr)
|
| 3192 |
goto return_err;
|
| 3193 |
s = qemu_mallocz(sizeof(NetCharDriver));
|
| 3194 |
if (!s)
|
| 3195 |
goto return_err;
|
| 3196 |
|
| 3197 |
fd = socket(PF_INET, SOCK_DGRAM, 0);
|
| 3198 |
if (fd < 0) { |
| 3199 |
perror("socket(PF_INET, SOCK_DGRAM)");
|
| 3200 |
goto return_err;
|
| 3201 |
} |
| 3202 |
|
| 3203 |
if (parse_host_src_port(&s->daddr, &saddr, def) < 0) { |
| 3204 |
printf("Could not parse: %s\n", def);
|
| 3205 |
goto return_err;
|
| 3206 |
} |
| 3207 |
|
| 3208 |
if (bind(fd, (struct sockaddr *)&saddr, sizeof(saddr)) < 0) |
| 3209 |
{
|
| 3210 |
perror("bind");
|
| 3211 |
goto return_err;
|
| 3212 |
} |
| 3213 |
|
| 3214 |
s->fd = fd; |
| 3215 |
s->bufcnt = 0;
|
| 3216 |
s->bufptr = 0;
|
| 3217 |
chr->opaque = s; |
| 3218 |
chr->chr_write = udp_chr_write; |
| 3219 |
chr->chr_update_read_handler = udp_chr_update_read_handler; |
| 3220 |
return chr;
|
| 3221 |
|
| 3222 |
return_err:
|
| 3223 |
if (chr)
|
| 3224 |
free(chr); |
| 3225 |
if (s)
|
| 3226 |
free(s); |
| 3227 |
if (fd >= 0) |
| 3228 |
closesocket(fd); |
| 3229 |
return NULL; |
| 3230 |
} |
| 3231 |
|
| 3232 |
/***********************************************************/
|
| 3233 |
/* TCP Net console */
|
| 3234 |
|
| 3235 |
typedef struct { |
| 3236 |
int fd, listen_fd;
|
| 3237 |
int connected;
|
| 3238 |
int max_size;
|
| 3239 |
int do_telnetopt;
|
| 3240 |
int do_nodelay;
|
| 3241 |
int is_unix;
|
| 3242 |
} TCPCharDriver; |
| 3243 |
|
| 3244 |
static void tcp_chr_accept(void *opaque); |
| 3245 |
|
| 3246 |
static int tcp_chr_write(CharDriverState *chr, const uint8_t *buf, int len) |
| 3247 |
{
|
| 3248 |
TCPCharDriver *s = chr->opaque; |
| 3249 |
if (s->connected) {
|
| 3250 |
return send_all(s->fd, buf, len);
|
| 3251 |
} else {
|
| 3252 |
/* XXX: indicate an error ? */
|
| 3253 |
return len;
|
| 3254 |
} |
| 3255 |
} |
| 3256 |
|
| 3257 |
static int tcp_chr_read_poll(void *opaque) |
| 3258 |
{
|
| 3259 |
CharDriverState *chr = opaque; |
| 3260 |
TCPCharDriver *s = chr->opaque; |
| 3261 |
if (!s->connected)
|
| 3262 |
return 0; |
| 3263 |
s->max_size = qemu_chr_can_read(chr); |
| 3264 |
return s->max_size;
|
| 3265 |
} |
| 3266 |
|
| 3267 |
#define IAC 255 |
| 3268 |
#define IAC_BREAK 243 |
| 3269 |
static void tcp_chr_process_IAC_bytes(CharDriverState *chr, |
| 3270 |
TCPCharDriver *s, |
| 3271 |
uint8_t *buf, int *size)
|
| 3272 |
{
|
| 3273 |
/* Handle any telnet client's basic IAC options to satisfy char by
|
| 3274 |
* char mode with no echo. All IAC options will be removed from
|
| 3275 |
* the buf and the do_telnetopt variable will be used to track the
|
| 3276 |
* state of the width of the IAC information.
|
| 3277 |
*
|
| 3278 |
* IAC commands come in sets of 3 bytes with the exception of the
|
| 3279 |
* "IAC BREAK" command and the double IAC.
|
| 3280 |
*/
|
| 3281 |
|
| 3282 |
int i;
|
| 3283 |
int j = 0; |
| 3284 |
|
| 3285 |
for (i = 0; i < *size; i++) { |
| 3286 |
if (s->do_telnetopt > 1) { |
| 3287 |
if ((unsigned char)buf[i] == IAC && s->do_telnetopt == 2) { |
| 3288 |
/* Double IAC means send an IAC */
|
| 3289 |
if (j != i)
|
| 3290 |
buf[j] = buf[i]; |
| 3291 |
j++; |
| 3292 |
s->do_telnetopt = 1;
|
| 3293 |
} else {
|
| 3294 |
if ((unsigned char)buf[i] == IAC_BREAK && s->do_telnetopt == 2) { |
| 3295 |
/* Handle IAC break commands by sending a serial break */
|
| 3296 |
qemu_chr_event(chr, CHR_EVENT_BREAK); |
| 3297 |
s->do_telnetopt++; |
| 3298 |
} |
| 3299 |
s->do_telnetopt++; |
| 3300 |
} |
| 3301 |
if (s->do_telnetopt >= 4) { |
| 3302 |
s->do_telnetopt = 1;
|
| 3303 |
} |
| 3304 |
} else {
|
| 3305 |
if ((unsigned char)buf[i] == IAC) { |
| 3306 |
s->do_telnetopt = 2;
|
| 3307 |
} else {
|
| 3308 |
if (j != i)
|
| 3309 |
buf[j] = buf[i]; |
| 3310 |
j++; |
| 3311 |
} |
| 3312 |
} |
| 3313 |
} |
| 3314 |
*size = j; |
| 3315 |
} |
| 3316 |
|
| 3317 |
static void tcp_chr_read(void *opaque) |
| 3318 |
{
|
| 3319 |
CharDriverState *chr = opaque; |
| 3320 |
TCPCharDriver *s = chr->opaque; |
| 3321 |
uint8_t buf[1024];
|
| 3322 |
int len, size;
|
| 3323 |
|
| 3324 |
if (!s->connected || s->max_size <= 0) |
| 3325 |
return;
|
| 3326 |
len = sizeof(buf);
|
| 3327 |
if (len > s->max_size)
|
| 3328 |
len = s->max_size; |
| 3329 |
size = recv(s->fd, buf, len, 0);
|
| 3330 |
if (size == 0) { |
| 3331 |
/* connection closed */
|
| 3332 |
s->connected = 0;
|
| 3333 |
if (s->listen_fd >= 0) { |
| 3334 |
qemu_set_fd_handler(s->listen_fd, tcp_chr_accept, NULL, chr);
|
| 3335 |
} |
| 3336 |
qemu_set_fd_handler(s->fd, NULL, NULL, NULL); |
| 3337 |
closesocket(s->fd); |
| 3338 |
s->fd = -1;
|
| 3339 |
} else if (size > 0) { |
| 3340 |
if (s->do_telnetopt)
|
| 3341 |
tcp_chr_process_IAC_bytes(chr, s, buf, &size); |
| 3342 |
if (size > 0) |
| 3343 |
qemu_chr_read(chr, buf, size); |
| 3344 |
} |
| 3345 |
} |
| 3346 |
|
| 3347 |
static void tcp_chr_connect(void *opaque) |
| 3348 |
{
|
| 3349 |
CharDriverState *chr = opaque; |
| 3350 |
TCPCharDriver *s = chr->opaque; |
| 3351 |
|
| 3352 |
s->connected = 1;
|
| 3353 |
qemu_set_fd_handler2(s->fd, tcp_chr_read_poll, |
| 3354 |
tcp_chr_read, NULL, chr);
|
| 3355 |
qemu_chr_reset(chr); |
| 3356 |
} |
| 3357 |
|
| 3358 |
#define IACSET(x,a,b,c) x[0] = a; x[1] = b; x[2] = c; |
| 3359 |
static void tcp_chr_telnet_init(int fd) |
| 3360 |
{
|
| 3361 |
char buf[3]; |
| 3362 |
/* Send the telnet negotion to put telnet in binary, no echo, single char mode */
|
| 3363 |
IACSET(buf, 0xff, 0xfb, 0x01); /* IAC WILL ECHO */ |
| 3364 |
send(fd, (char *)buf, 3, 0); |
| 3365 |
IACSET(buf, 0xff, 0xfb, 0x03); /* IAC WILL Suppress go ahead */ |
| 3366 |
send(fd, (char *)buf, 3, 0); |
| 3367 |
IACSET(buf, 0xff, 0xfb, 0x00); /* IAC WILL Binary */ |
| 3368 |
send(fd, (char *)buf, 3, 0); |
| 3369 |
IACSET(buf, 0xff, 0xfd, 0x00); /* IAC DO Binary */ |
| 3370 |
send(fd, (char *)buf, 3, 0); |
| 3371 |
} |
| 3372 |
|
| 3373 |
static void socket_set_nodelay(int fd) |
| 3374 |
{
|
| 3375 |
int val = 1; |
| 3376 |
setsockopt(fd, IPPROTO_TCP, TCP_NODELAY, (char *)&val, sizeof(val)); |
| 3377 |
} |
| 3378 |
|
| 3379 |
static void tcp_chr_accept(void *opaque) |
| 3380 |
{
|
| 3381 |
CharDriverState *chr = opaque; |
| 3382 |
TCPCharDriver *s = chr->opaque; |
| 3383 |
struct sockaddr_in saddr;
|
| 3384 |
#ifndef _WIN32
|
| 3385 |
struct sockaddr_un uaddr;
|
| 3386 |
#endif
|
| 3387 |
struct sockaddr *addr;
|
| 3388 |
socklen_t len; |
| 3389 |
int fd;
|
| 3390 |
|
| 3391 |
for(;;) {
|
| 3392 |
#ifndef _WIN32
|
| 3393 |
if (s->is_unix) {
|
| 3394 |
len = sizeof(uaddr);
|
| 3395 |
addr = (struct sockaddr *)&uaddr;
|
| 3396 |
} else
|
| 3397 |
#endif
|
| 3398 |
{
|
| 3399 |
len = sizeof(saddr);
|
| 3400 |
addr = (struct sockaddr *)&saddr;
|
| 3401 |
} |
| 3402 |
fd = accept(s->listen_fd, addr, &len); |
| 3403 |
if (fd < 0 && errno != EINTR) { |
| 3404 |
return;
|
| 3405 |
} else if (fd >= 0) { |
| 3406 |
if (s->do_telnetopt)
|
| 3407 |
tcp_chr_telnet_init(fd); |
| 3408 |
break;
|
| 3409 |
} |
| 3410 |
} |
| 3411 |
socket_set_nonblock(fd); |
| 3412 |
if (s->do_nodelay)
|
| 3413 |
socket_set_nodelay(fd); |
| 3414 |
s->fd = fd; |
| 3415 |
qemu_set_fd_handler(s->listen_fd, NULL, NULL, NULL); |
| 3416 |
tcp_chr_connect(chr); |
| 3417 |
} |
| 3418 |
|
| 3419 |
static void tcp_chr_close(CharDriverState *chr) |
| 3420 |
{
|
| 3421 |
TCPCharDriver *s = chr->opaque; |
| 3422 |
if (s->fd >= 0) |
| 3423 |
closesocket(s->fd); |
| 3424 |
if (s->listen_fd >= 0) |
| 3425 |
closesocket(s->listen_fd); |
| 3426 |
qemu_free(s); |
| 3427 |
} |
| 3428 |
|
| 3429 |
static CharDriverState *qemu_chr_open_tcp(const char *host_str, |
| 3430 |
int is_telnet,
|
| 3431 |
int is_unix)
|
| 3432 |
{
|
| 3433 |
CharDriverState *chr = NULL;
|
| 3434 |
TCPCharDriver *s = NULL;
|
| 3435 |
int fd = -1, ret, err, val; |
| 3436 |
int is_listen = 0; |
| 3437 |
int is_waitconnect = 1; |
| 3438 |
int do_nodelay = 0; |
| 3439 |
const char *ptr; |
| 3440 |
struct sockaddr_in saddr;
|
| 3441 |
#ifndef _WIN32
|
| 3442 |
struct sockaddr_un uaddr;
|
| 3443 |
#endif
|
| 3444 |
struct sockaddr *addr;
|
| 3445 |
socklen_t addrlen; |
| 3446 |
|
| 3447 |
#ifndef _WIN32
|
| 3448 |
if (is_unix) {
|
| 3449 |
addr = (struct sockaddr *)&uaddr;
|
| 3450 |
addrlen = sizeof(uaddr);
|
| 3451 |
if (parse_unix_path(&uaddr, host_str) < 0) |
| 3452 |
goto fail;
|
| 3453 |
} else
|
| 3454 |
#endif
|
| 3455 |
{
|
| 3456 |
addr = (struct sockaddr *)&saddr;
|
| 3457 |
addrlen = sizeof(saddr);
|
| 3458 |
if (parse_host_port(&saddr, host_str) < 0) |
| 3459 |
goto fail;
|
| 3460 |
} |
| 3461 |
|
| 3462 |
ptr = host_str; |
| 3463 |
while((ptr = strchr(ptr,','))) { |
| 3464 |
ptr++; |
| 3465 |
if (!strncmp(ptr,"server",6)) { |
| 3466 |
is_listen = 1;
|
| 3467 |
} else if (!strncmp(ptr,"nowait",6)) { |
| 3468 |
is_waitconnect = 0;
|
| 3469 |
} else if (!strncmp(ptr,"nodelay",6)) { |
| 3470 |
do_nodelay = 1;
|
| 3471 |
} else {
|
| 3472 |
printf("Unknown option: %s\n", ptr);
|
| 3473 |
goto fail;
|
| 3474 |
} |
| 3475 |
} |
| 3476 |
if (!is_listen)
|
| 3477 |
is_waitconnect = 0;
|
| 3478 |
|
| 3479 |
chr = qemu_mallocz(sizeof(CharDriverState));
|
| 3480 |
if (!chr)
|
| 3481 |
goto fail;
|
| 3482 |
s = qemu_mallocz(sizeof(TCPCharDriver));
|
| 3483 |
if (!s)
|
| 3484 |
goto fail;
|
| 3485 |
|
| 3486 |
#ifndef _WIN32
|
| 3487 |
if (is_unix)
|
| 3488 |
fd = socket(PF_UNIX, SOCK_STREAM, 0);
|
| 3489 |
else
|
| 3490 |
#endif
|
| 3491 |
fd = socket(PF_INET, SOCK_STREAM, 0);
|
| 3492 |
|
| 3493 |
if (fd < 0) |
| 3494 |
goto fail;
|
| 3495 |
|
| 3496 |
if (!is_waitconnect)
|
| 3497 |
socket_set_nonblock(fd); |
| 3498 |
|
| 3499 |
s->connected = 0;
|
| 3500 |
s->fd = -1;
|
| 3501 |
s->listen_fd = -1;
|
| 3502 |
s->is_unix = is_unix; |
| 3503 |
s->do_nodelay = do_nodelay && !is_unix; |
| 3504 |
|
| 3505 |
chr->opaque = s; |
| 3506 |
chr->chr_write = tcp_chr_write; |
| 3507 |
chr->chr_close = tcp_chr_close; |
| 3508 |
|
| 3509 |
if (is_listen) {
|
| 3510 |
/* allow fast reuse */
|
| 3511 |
#ifndef _WIN32
|
| 3512 |
if (is_unix) {
|
| 3513 |
char path[109]; |
| 3514 |
pstrcpy(path, sizeof(path), uaddr.sun_path);
|
| 3515 |
unlink(path); |
| 3516 |
} else
|
| 3517 |
#endif
|
| 3518 |
{
|
| 3519 |
val = 1;
|
| 3520 |
setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, (const char *)&val, sizeof(val)); |
| 3521 |
} |
| 3522 |
|
| 3523 |
ret = bind(fd, addr, addrlen); |
| 3524 |
if (ret < 0) |
| 3525 |
goto fail;
|
| 3526 |
|
| 3527 |
ret = listen(fd, 0);
|
| 3528 |
if (ret < 0) |
| 3529 |
goto fail;
|
| 3530 |
|
| 3531 |
s->listen_fd = fd; |
| 3532 |
qemu_set_fd_handler(s->listen_fd, tcp_chr_accept, NULL, chr);
|
| 3533 |
if (is_telnet)
|
| 3534 |
s->do_telnetopt = 1;
|
| 3535 |
} else {
|
| 3536 |
for(;;) {
|
| 3537 |
ret = connect(fd, addr, addrlen); |
| 3538 |
if (ret < 0) { |
| 3539 |
err = socket_error(); |
| 3540 |
if (err == EINTR || err == EWOULDBLOCK) {
|
| 3541 |
} else if (err == EINPROGRESS) { |
| 3542 |
break;
|
| 3543 |
#ifdef _WIN32
|
| 3544 |
} else if (err == WSAEALREADY) { |
| 3545 |
break;
|
| 3546 |
#endif
|
| 3547 |
} else {
|
| 3548 |
goto fail;
|
| 3549 |
} |
| 3550 |
} else {
|
| 3551 |
s->connected = 1;
|
| 3552 |
break;
|
| 3553 |
} |
| 3554 |
} |
| 3555 |
s->fd = fd; |
| 3556 |
socket_set_nodelay(fd); |
| 3557 |
if (s->connected)
|
| 3558 |
tcp_chr_connect(chr); |
| 3559 |
else
|
| 3560 |
qemu_set_fd_handler(s->fd, NULL, tcp_chr_connect, chr);
|
| 3561 |
} |
| 3562 |
|
| 3563 |
if (is_listen && is_waitconnect) {
|
| 3564 |
printf("QEMU waiting for connection on: %s\n", host_str);
|
| 3565 |
tcp_chr_accept(chr); |
| 3566 |
socket_set_nonblock(s->listen_fd); |
| 3567 |
} |
| 3568 |
|
| 3569 |
return chr;
|
| 3570 |
fail:
|
| 3571 |
if (fd >= 0) |
| 3572 |
closesocket(fd); |
| 3573 |
qemu_free(s); |
| 3574 |
qemu_free(chr); |
| 3575 |
return NULL; |
| 3576 |
} |
| 3577 |
|
| 3578 |
CharDriverState *qemu_chr_open(const char *filename) |
| 3579 |
{
|
| 3580 |
const char *p; |
| 3581 |
|
| 3582 |
if (!strcmp(filename, "vc")) { |
| 3583 |
return text_console_init(&display_state, 0); |
| 3584 |
} else if (strstart(filename, "vc:", &p)) { |
| 3585 |
return text_console_init(&display_state, p);
|
| 3586 |
} else if (!strcmp(filename, "null")) { |
| 3587 |
return qemu_chr_open_null();
|
| 3588 |
} else
|
| 3589 |
if (strstart(filename, "tcp:", &p)) { |
| 3590 |
return qemu_chr_open_tcp(p, 0, 0); |
| 3591 |
} else
|
| 3592 |
if (strstart(filename, "telnet:", &p)) { |
| 3593 |
return qemu_chr_open_tcp(p, 1, 0); |
| 3594 |
} else
|
| 3595 |
if (strstart(filename, "udp:", &p)) { |
| 3596 |
return qemu_chr_open_udp(p);
|
| 3597 |
} else
|
| 3598 |
if (strstart(filename, "mon:", &p)) { |
| 3599 |
CharDriverState *drv = qemu_chr_open(p); |
| 3600 |
if (drv) {
|
| 3601 |
drv = qemu_chr_open_mux(drv); |
| 3602 |
monitor_init(drv, !nographic); |
| 3603 |
return drv;
|
| 3604 |
} |
| 3605 |
printf("Unable to open driver: %s\n", p);
|
| 3606 |
return 0; |
| 3607 |
} else
|
| 3608 |
#ifndef _WIN32
|
| 3609 |
if (strstart(filename, "unix:", &p)) { |
| 3610 |
return qemu_chr_open_tcp(p, 0, 1); |
| 3611 |
} else if (strstart(filename, "file:", &p)) { |
| 3612 |
return qemu_chr_open_file_out(p);
|
| 3613 |
} else if (strstart(filename, "pipe:", &p)) { |
| 3614 |
return qemu_chr_open_pipe(p);
|
| 3615 |
} else if (!strcmp(filename, "pty")) { |
| 3616 |
return qemu_chr_open_pty();
|
| 3617 |
} else if (!strcmp(filename, "stdio")) { |
| 3618 |
return qemu_chr_open_stdio();
|
| 3619 |
} else
|
| 3620 |
#if defined(__linux__)
|
| 3621 |
if (strstart(filename, "/dev/parport", NULL)) { |
| 3622 |
return qemu_chr_open_pp(filename);
|
| 3623 |
} else
|
| 3624 |
#endif
|
| 3625 |
#if defined(__linux__) || defined(__sun__)
|
| 3626 |
if (strstart(filename, "/dev/", NULL)) { |
| 3627 |
return qemu_chr_open_tty(filename);
|
| 3628 |
} else
|
| 3629 |
#endif
|
| 3630 |
#else /* !_WIN32 */ |
| 3631 |
if (strstart(filename, "COM", NULL)) { |
| 3632 |
return qemu_chr_open_win(filename);
|
| 3633 |
} else
|
| 3634 |
if (strstart(filename, "pipe:", &p)) { |
| 3635 |
return qemu_chr_open_win_pipe(p);
|
| 3636 |
} else
|
| 3637 |
if (strstart(filename, "con:", NULL)) { |
| 3638 |
return qemu_chr_open_win_con(filename);
|
| 3639 |
} else
|
| 3640 |
if (strstart(filename, "file:", &p)) { |
| 3641 |
return qemu_chr_open_win_file_out(p);
|
| 3642 |
} else
|
| 3643 |
#endif
|
| 3644 |
#ifdef CONFIG_BRLAPI
|
| 3645 |
if (!strcmp(filename, "braille")) { |
| 3646 |
return chr_baum_init();
|
| 3647 |
} else
|
| 3648 |
#endif
|
| 3649 |
{
|
| 3650 |
return NULL; |
| 3651 |
} |
| 3652 |
} |
| 3653 |
|
| 3654 |
void qemu_chr_close(CharDriverState *chr)
|
| 3655 |
{
|
| 3656 |
if (chr->chr_close)
|
| 3657 |
chr->chr_close(chr); |
| 3658 |
qemu_free(chr); |
| 3659 |
} |
| 3660 |
|
| 3661 |
/***********************************************************/
|
| 3662 |
/* network device redirectors */
|
| 3663 |
|
| 3664 |
__attribute__ (( unused )) |
| 3665 |
static void hex_dump(FILE *f, const uint8_t *buf, int size) |
| 3666 |
{
|
| 3667 |
int len, i, j, c;
|
| 3668 |
|
| 3669 |
for(i=0;i<size;i+=16) { |
| 3670 |
len = size - i; |
| 3671 |
if (len > 16) |
| 3672 |
len = 16;
|
| 3673 |
fprintf(f, "%08x ", i);
|
| 3674 |
for(j=0;j<16;j++) { |
| 3675 |
if (j < len)
|
| 3676 |
fprintf(f, " %02x", buf[i+j]);
|
| 3677 |
else
|
| 3678 |
fprintf(f, " ");
|
| 3679 |
} |
| 3680 |
fprintf(f, " ");
|
| 3681 |
for(j=0;j<len;j++) { |
| 3682 |
c = buf[i+j]; |
| 3683 |
if (c < ' ' || c > '~') |
| 3684 |
c = '.';
|
| 3685 |
fprintf(f, "%c", c);
|
| 3686 |
} |
| 3687 |
fprintf(f, "\n");
|
| 3688 |
} |
| 3689 |
} |
| 3690 |
|
| 3691 |
static int parse_macaddr(uint8_t *macaddr, const char *p) |
| 3692 |
{
|
| 3693 |
int i;
|
| 3694 |
char *last_char;
|
| 3695 |
long int offset; |
| 3696 |
|
| 3697 |
errno = 0;
|
| 3698 |
offset = strtol(p, &last_char, 0);
|
| 3699 |
if (0 == errno && '\0' == *last_char && |
| 3700 |
offset >= 0 && offset <= 0xFFFFFF) { |
| 3701 |
macaddr[3] = (offset & 0xFF0000) >> 16; |
| 3702 |
macaddr[4] = (offset & 0xFF00) >> 8; |
| 3703 |
macaddr[5] = offset & 0xFF; |
| 3704 |
return 0; |
| 3705 |
} else {
|
| 3706 |
for(i = 0; i < 6; i++) { |
| 3707 |
macaddr[i] = strtol(p, (char **)&p, 16); |
| 3708 |
if (i == 5) { |
| 3709 |
if (*p != '\0') |
| 3710 |
return -1; |
| 3711 |
} else {
|
| 3712 |
if (*p != ':' && *p != '-') |
| 3713 |
return -1; |
| 3714 |
p++; |
| 3715 |
} |
| 3716 |
} |
| 3717 |
return 0; |
| 3718 |
} |
| 3719 |
|
| 3720 |
return -1; |
| 3721 |
} |
| 3722 |
|
| 3723 |
static int get_str_sep(char *buf, int buf_size, const char **pp, int sep) |
| 3724 |
{
|
| 3725 |
const char *p, *p1; |
| 3726 |
int len;
|
| 3727 |
p = *pp; |
| 3728 |
p1 = strchr(p, sep); |
| 3729 |
if (!p1)
|
| 3730 |
return -1; |
| 3731 |
len = p1 - p; |
| 3732 |
p1++; |
| 3733 |
if (buf_size > 0) { |
| 3734 |
if (len > buf_size - 1) |
| 3735 |
len = buf_size - 1;
|
| 3736 |
memcpy(buf, p, len); |
| 3737 |
buf[len] = '\0';
|
| 3738 |
} |
| 3739 |
*pp = p1; |
| 3740 |
return 0; |
| 3741 |
} |
| 3742 |
|
| 3743 |
int parse_host_src_port(struct sockaddr_in *haddr, |
| 3744 |
struct sockaddr_in *saddr,
|
| 3745 |
const char *input_str) |
| 3746 |
{
|
| 3747 |
char *str = strdup(input_str);
|
| 3748 |
char *host_str = str;
|
| 3749 |
char *src_str;
|
| 3750 |
char *ptr;
|
| 3751 |
|
| 3752 |
/*
|
| 3753 |
* Chop off any extra arguments at the end of the string which
|
| 3754 |
* would start with a comma, then fill in the src port information
|
| 3755 |
* if it was provided else use the "any address" and "any port".
|
| 3756 |
*/
|
| 3757 |
if ((ptr = strchr(str,','))) |
| 3758 |
*ptr = '\0';
|
| 3759 |
|
| 3760 |
if ((src_str = strchr(input_str,'@'))) { |
| 3761 |
*src_str = '\0';
|
| 3762 |
src_str++; |
| 3763 |
} |
| 3764 |
|
| 3765 |
if (parse_host_port(haddr, host_str) < 0) |
| 3766 |
goto fail;
|
| 3767 |
|
| 3768 |
if (!src_str || *src_str == '\0') |
| 3769 |
src_str = ":0";
|
| 3770 |
|
| 3771 |
if (parse_host_port(saddr, src_str) < 0) |
| 3772 |
goto fail;
|
| 3773 |
|
| 3774 |
free(str); |
| 3775 |
return(0); |
| 3776 |
|
| 3777 |
fail:
|
| 3778 |
free(str); |
| 3779 |
return -1; |
| 3780 |
} |
| 3781 |
|
| 3782 |
int parse_host_port(struct sockaddr_in *saddr, const char *str) |
| 3783 |
{
|
| 3784 |
char buf[512]; |
| 3785 |
struct hostent *he;
|
| 3786 |
const char *p, *r; |
| 3787 |
int port;
|
| 3788 |
|
| 3789 |
p = str; |
| 3790 |
if (get_str_sep(buf, sizeof(buf), &p, ':') < 0) |
| 3791 |
return -1; |
| 3792 |
saddr->sin_family = AF_INET; |
| 3793 |
if (buf[0] == '\0') { |
| 3794 |
saddr->sin_addr.s_addr = 0;
|
| 3795 |
} else {
|
| 3796 |
if (isdigit(buf[0])) { |
| 3797 |
if (!inet_aton(buf, &saddr->sin_addr))
|
| 3798 |
return -1; |
| 3799 |
} else {
|
| 3800 |
if ((he = gethostbyname(buf)) == NULL) |
| 3801 |
return - 1; |
| 3802 |
saddr->sin_addr = *(struct in_addr *)he->h_addr;
|
| 3803 |
} |
| 3804 |
} |
| 3805 |
port = strtol(p, (char **)&r, 0); |
| 3806 |
if (r == p)
|
| 3807 |
return -1; |
| 3808 |
saddr->sin_port = htons(port); |
| 3809 |
return 0; |
| 3810 |
} |
| 3811 |
|
| 3812 |
#ifndef _WIN32
|
| 3813 |
static int parse_unix_path(struct sockaddr_un *uaddr, const char *str) |
| 3814 |
{
|
| 3815 |
const char *p; |
| 3816 |
int len;
|
| 3817 |
|
| 3818 |
len = MIN(108, strlen(str));
|
| 3819 |
p = strchr(str, ',');
|
| 3820 |
if (p)
|
| 3821 |
len = MIN(len, p - str); |
| 3822 |
|
| 3823 |
memset(uaddr, 0, sizeof(*uaddr)); |
| 3824 |
|
| 3825 |
uaddr->sun_family = AF_UNIX; |
| 3826 |
memcpy(uaddr->sun_path, str, len); |
| 3827 |
|
| 3828 |
return 0; |
| 3829 |
} |
| 3830 |
#endif
|
| 3831 |
|
| 3832 |
/* find or alloc a new VLAN */
|
| 3833 |
VLANState *qemu_find_vlan(int id)
|
| 3834 |
{
|
| 3835 |
VLANState **pvlan, *vlan; |
| 3836 |
for(vlan = first_vlan; vlan != NULL; vlan = vlan->next) { |
| 3837 |
if (vlan->id == id)
|
| 3838 |
return vlan;
|
| 3839 |
} |
| 3840 |
vlan = qemu_mallocz(sizeof(VLANState));
|
| 3841 |
if (!vlan)
|
| 3842 |
return NULL; |
| 3843 |
vlan->id = id; |
| 3844 |
vlan->next = NULL;
|
| 3845 |
pvlan = &first_vlan; |
| 3846 |
while (*pvlan != NULL) |
| 3847 |
pvlan = &(*pvlan)->next; |
| 3848 |
*pvlan = vlan; |
| 3849 |
return vlan;
|
| 3850 |
} |
| 3851 |
|
| 3852 |
VLANClientState *qemu_new_vlan_client(VLANState *vlan, |
| 3853 |
IOReadHandler *fd_read, |
| 3854 |
IOCanRWHandler *fd_can_read, |
| 3855 |
void *opaque)
|
| 3856 |
{
|
| 3857 |
VLANClientState *vc, **pvc; |
| 3858 |
vc = qemu_mallocz(sizeof(VLANClientState));
|
| 3859 |
if (!vc)
|
| 3860 |
return NULL; |
| 3861 |
vc->fd_read = fd_read; |
| 3862 |
vc->fd_can_read = fd_can_read; |
| 3863 |
vc->opaque = opaque; |
| 3864 |
vc->vlan = vlan; |
| 3865 |
|
| 3866 |
vc->next = NULL;
|
| 3867 |
pvc = &vlan->first_client; |
| 3868 |
while (*pvc != NULL) |
| 3869 |
pvc = &(*pvc)->next; |
| 3870 |
*pvc = vc; |
| 3871 |
return vc;
|
| 3872 |
} |
| 3873 |
|
| 3874 |
void qemu_del_vlan_client(VLANClientState *vc)
|
| 3875 |
{
|
| 3876 |
VLANClientState **pvc = &vc->vlan->first_client; |
| 3877 |
|
| 3878 |
while (*pvc != NULL) |
| 3879 |
if (*pvc == vc) {
|
| 3880 |
*pvc = vc->next; |
| 3881 |
free(vc); |
| 3882 |
break;
|
| 3883 |
} else
|
| 3884 |
pvc = &(*pvc)->next; |
| 3885 |
} |
| 3886 |
|
| 3887 |
int qemu_can_send_packet(VLANClientState *vc1)
|
| 3888 |
{
|
| 3889 |
VLANState *vlan = vc1->vlan; |
| 3890 |
VLANClientState *vc; |
| 3891 |
|
| 3892 |
for(vc = vlan->first_client; vc != NULL; vc = vc->next) { |
| 3893 |
if (vc != vc1) {
|
| 3894 |
if (vc->fd_can_read && vc->fd_can_read(vc->opaque))
|
| 3895 |
return 1; |
| 3896 |
} |
| 3897 |
} |
| 3898 |
return 0; |
| 3899 |
} |
| 3900 |
|
| 3901 |
void qemu_send_packet(VLANClientState *vc1, const uint8_t *buf, int size) |
| 3902 |
{
|
| 3903 |
VLANState *vlan = vc1->vlan; |
| 3904 |
VLANClientState *vc; |
| 3905 |
|
| 3906 |
#if 0
|
| 3907 |
printf("vlan %d send:\n", vlan->id);
|
| 3908 |
hex_dump(stdout, buf, size);
|
| 3909 |
#endif
|
| 3910 |
for(vc = vlan->first_client; vc != NULL; vc = vc->next) { |
| 3911 |
if (vc != vc1) {
|
| 3912 |
vc->fd_read(vc->opaque, buf, size); |
| 3913 |
} |
| 3914 |
} |
| 3915 |
} |
| 3916 |
|
| 3917 |
#if defined(CONFIG_SLIRP)
|
| 3918 |
|
| 3919 |
/* slirp network adapter */
|
| 3920 |
|
| 3921 |
static int slirp_inited; |
| 3922 |
static VLANClientState *slirp_vc;
|
| 3923 |
|
| 3924 |
int slirp_can_output(void) |
| 3925 |
{
|
| 3926 |
return !slirp_vc || qemu_can_send_packet(slirp_vc);
|
| 3927 |
} |
| 3928 |
|
| 3929 |
void slirp_output(const uint8_t *pkt, int pkt_len) |
| 3930 |
{
|
| 3931 |
#if 0
|
| 3932 |
printf("slirp output:\n");
|
| 3933 |
hex_dump(stdout, pkt, pkt_len);
|
| 3934 |
#endif
|
| 3935 |
if (!slirp_vc)
|
| 3936 |
return;
|
| 3937 |
qemu_send_packet(slirp_vc, pkt, pkt_len); |
| 3938 |
} |
| 3939 |
|
| 3940 |
static void slirp_receive(void *opaque, const uint8_t *buf, int size) |
| 3941 |
{
|
| 3942 |
#if 0
|
| 3943 |
printf("slirp input:\n");
|
| 3944 |
hex_dump(stdout, buf, size);
|
| 3945 |
#endif
|
| 3946 |
slirp_input(buf, size); |
| 3947 |
} |
| 3948 |
|
| 3949 |
static int net_slirp_init(VLANState *vlan) |
| 3950 |
{
|
| 3951 |
if (!slirp_inited) {
|
| 3952 |
slirp_inited = 1;
|
| 3953 |
slirp_init(); |
| 3954 |
} |
| 3955 |
slirp_vc = qemu_new_vlan_client(vlan, |
| 3956 |
slirp_receive, NULL, NULL); |
| 3957 |
snprintf(slirp_vc->info_str, sizeof(slirp_vc->info_str), "user redirector"); |
| 3958 |
return 0; |
| 3959 |
} |
| 3960 |
|
| 3961 |
static void net_slirp_redir(const char *redir_str) |
| 3962 |
{
|
| 3963 |
int is_udp;
|
| 3964 |
char buf[256], *r; |
| 3965 |
const char *p; |
| 3966 |
struct in_addr guest_addr;
|
| 3967 |
int host_port, guest_port;
|
| 3968 |
|
| 3969 |
if (!slirp_inited) {
|
| 3970 |
slirp_inited = 1;
|
| 3971 |
slirp_init(); |
| 3972 |
} |
| 3973 |
|
| 3974 |
p = redir_str; |
| 3975 |
if (get_str_sep(buf, sizeof(buf), &p, ':') < 0) |
| 3976 |
goto fail;
|
| 3977 |
if (!strcmp(buf, "tcp")) { |
| 3978 |
is_udp = 0;
|
| 3979 |
} else if (!strcmp(buf, "udp")) { |
| 3980 |
is_udp = 1;
|
| 3981 |
} else {
|
| 3982 |
goto fail;
|
| 3983 |
} |
| 3984 |
|
| 3985 |
if (get_str_sep(buf, sizeof(buf), &p, ':') < 0) |
| 3986 |
goto fail;
|
| 3987 |
host_port = strtol(buf, &r, 0);
|
| 3988 |
if (r == buf)
|
| 3989 |
goto fail;
|
| 3990 |
|
| 3991 |
if (get_str_sep(buf, sizeof(buf), &p, ':') < 0) |
| 3992 |
goto fail;
|
| 3993 |
if (buf[0] == '\0') { |
| 3994 |
pstrcpy(buf, sizeof(buf), "10.0.2.15"); |
| 3995 |
} |
| 3996 |
if (!inet_aton(buf, &guest_addr))
|
| 3997 |
goto fail;
|
| 3998 |
|
| 3999 |
guest_port = strtol(p, &r, 0);
|
| 4000 |
if (r == p)
|
| 4001 |
goto fail;
|
| 4002 |
|
| 4003 |
if (slirp_redir(is_udp, host_port, guest_addr, guest_port) < 0) { |
| 4004 |
fprintf(stderr, "qemu: could not set up redirection\n");
|
| 4005 |
exit(1);
|
| 4006 |
} |
| 4007 |
return;
|
| 4008 |
fail:
|
| 4009 |
fprintf(stderr, "qemu: syntax: -redir [tcp|udp]:host-port:[guest-host]:guest-port\n");
|
| 4010 |
exit(1);
|
| 4011 |
} |
| 4012 |
|
| 4013 |
#ifndef _WIN32
|
| 4014 |
|
| 4015 |
char smb_dir[1024]; |
| 4016 |
|
| 4017 |
static void erase_dir(char *dir_name) |
| 4018 |
{
|
| 4019 |
DIR *d; |
| 4020 |
struct dirent *de;
|
| 4021 |
char filename[1024]; |
| 4022 |
|
| 4023 |
/* erase all the files in the directory */
|
| 4024 |
if ((d = opendir(dir_name)) != 0) { |
| 4025 |
for(;;) {
|
| 4026 |
de = readdir(d); |
| 4027 |
if (!de)
|
| 4028 |
break;
|
| 4029 |
if (strcmp(de->d_name, ".") != 0 && |
| 4030 |
strcmp(de->d_name, "..") != 0) { |
| 4031 |
snprintf(filename, sizeof(filename), "%s/%s", |
| 4032 |
smb_dir, de->d_name); |
| 4033 |
if (unlink(filename) != 0) /* is it a directory? */ |
| 4034 |
erase_dir(filename); |
| 4035 |
} |
| 4036 |
} |
| 4037 |
closedir(d); |
| 4038 |
rmdir(dir_name); |
| 4039 |
} |
| 4040 |
} |
| 4041 |
|
| 4042 |
/* automatic user mode samba server configuration */
|
| 4043 |
static void smb_exit(void) |
| 4044 |
{
|
| 4045 |
erase_dir(smb_dir); |
| 4046 |
} |
| 4047 |
|
| 4048 |
/* automatic user mode samba server configuration */
|
| 4049 |
static void net_slirp_smb(const char *exported_dir) |
| 4050 |
{
|
| 4051 |
char smb_conf[1024]; |
| 4052 |
char smb_cmdline[1024]; |
| 4053 |
FILE *f; |
| 4054 |
|
| 4055 |
if (!slirp_inited) {
|
| 4056 |
slirp_inited = 1;
|
| 4057 |
slirp_init(); |
| 4058 |
} |
| 4059 |
|
| 4060 |
/* XXX: better tmp dir construction */
|
| 4061 |
snprintf(smb_dir, sizeof(smb_dir), "/tmp/qemu-smb.%d", getpid()); |
| 4062 |
if (mkdir(smb_dir, 0700) < 0) { |
| 4063 |
fprintf(stderr, "qemu: could not create samba server dir '%s'\n", smb_dir);
|
| 4064 |
exit(1);
|
| 4065 |
} |
| 4066 |
snprintf(smb_conf, sizeof(smb_conf), "%s/%s", smb_dir, "smb.conf"); |
| 4067 |
|
| 4068 |
f = fopen(smb_conf, "w");
|
| 4069 |
if (!f) {
|
| 4070 |
fprintf(stderr, "qemu: could not create samba server configuration file '%s'\n", smb_conf);
|
| 4071 |
exit(1);
|
| 4072 |
} |
| 4073 |
fprintf(f, |
| 4074 |
"[global]\n"
|
| 4075 |
"private dir=%s\n"
|
| 4076 |
"smb ports=0\n"
|
| 4077 |
"socket address=127.0.0.1\n"
|
| 4078 |
"pid directory=%s\n"
|
| 4079 |
"lock directory=%s\n"
|
| 4080 |
"log file=%s/log.smbd\n"
|
| 4081 |
"smb passwd file=%s/smbpasswd\n"
|
| 4082 |
"security = share\n"
|
| 4083 |
"[qemu]\n"
|
| 4084 |
"path=%s\n"
|
| 4085 |
"read only=no\n"
|
| 4086 |
"guest ok=yes\n",
|
| 4087 |
smb_dir, |
| 4088 |
smb_dir, |
| 4089 |
smb_dir, |
| 4090 |
smb_dir, |
| 4091 |
smb_dir, |
| 4092 |
exported_dir |
| 4093 |
); |
| 4094 |
fclose(f); |
| 4095 |
atexit(smb_exit); |
| 4096 |
|
| 4097 |
snprintf(smb_cmdline, sizeof(smb_cmdline), "%s -s %s", |
| 4098 |
SMBD_COMMAND, smb_conf); |
| 4099 |
|
| 4100 |
slirp_add_exec(0, smb_cmdline, 4, 139); |
| 4101 |
} |
| 4102 |
|
| 4103 |
#endif /* !defined(_WIN32) */ |
| 4104 |
void do_info_slirp(void) |
| 4105 |
{
|
| 4106 |
slirp_stats(); |
| 4107 |
} |
| 4108 |
|
| 4109 |
#endif /* CONFIG_SLIRP */ |
| 4110 |
|
| 4111 |
#if !defined(_WIN32)
|
| 4112 |
|
| 4113 |
typedef struct TAPState { |
| 4114 |
VLANClientState *vc; |
| 4115 |
int fd;
|
| 4116 |
char down_script[1024]; |
| 4117 |
} TAPState; |
| 4118 |
|
| 4119 |
static void tap_receive(void *opaque, const uint8_t *buf, int size) |
| 4120 |
{
|
| 4121 |
TAPState *s = opaque; |
| 4122 |
int ret;
|
| 4123 |
for(;;) {
|
| 4124 |
ret = write(s->fd, buf, size); |
| 4125 |
if (ret < 0 && (errno == EINTR || errno == EAGAIN)) { |
| 4126 |
} else {
|
| 4127 |
break;
|
| 4128 |
} |
| 4129 |
} |
| 4130 |
} |
| 4131 |
|
| 4132 |
static void tap_send(void *opaque) |
| 4133 |
{
|
| 4134 |
TAPState *s = opaque; |
| 4135 |
uint8_t buf[4096];
|
| 4136 |
int size;
|
| 4137 |
|
| 4138 |
#ifdef __sun__
|
| 4139 |
struct strbuf sbuf;
|
| 4140 |
int f = 0; |
| 4141 |
sbuf.maxlen = sizeof(buf);
|
| 4142 |
sbuf.buf = buf; |
| 4143 |
size = getmsg(s->fd, NULL, &sbuf, &f) >=0 ? sbuf.len : -1; |
| 4144 |
#else
|
| 4145 |
size = read(s->fd, buf, sizeof(buf));
|
| 4146 |
#endif
|
| 4147 |
if (size > 0) { |
| 4148 |
qemu_send_packet(s->vc, buf, size); |
| 4149 |
} |
| 4150 |
} |
| 4151 |
|
| 4152 |
/* fd support */
|
| 4153 |
|
| 4154 |
static TAPState *net_tap_fd_init(VLANState *vlan, int fd) |
| 4155 |
{
|
| 4156 |
TAPState *s; |
| 4157 |
|
| 4158 |
s = qemu_mallocz(sizeof(TAPState));
|
| 4159 |
if (!s)
|
| 4160 |
return NULL; |
| 4161 |
s->fd = fd; |
| 4162 |
s->vc = qemu_new_vlan_client(vlan, tap_receive, NULL, s);
|
| 4163 |
qemu_set_fd_handler(s->fd, tap_send, NULL, s);
|
| 4164 |
snprintf(s->vc->info_str, sizeof(s->vc->info_str), "tap: fd=%d", fd); |
| 4165 |
return s;
|
| 4166 |
} |
| 4167 |
|
| 4168 |
#if defined (_BSD) || defined (__FreeBSD_kernel__)
|
| 4169 |
static int tap_open(char *ifname, int ifname_size) |
| 4170 |
{
|
| 4171 |
int fd;
|
| 4172 |
char *dev;
|
| 4173 |
struct stat s;
|
| 4174 |
|
| 4175 |
TFR(fd = open("/dev/tap", O_RDWR));
|
| 4176 |
if (fd < 0) { |
| 4177 |
fprintf(stderr, "warning: could not open /dev/tap: no virtual network emulation\n");
|
| 4178 |
return -1; |
| 4179 |
} |
| 4180 |
|
| 4181 |
fstat(fd, &s); |
| 4182 |
dev = devname(s.st_rdev, S_IFCHR); |
| 4183 |
pstrcpy(ifname, ifname_size, dev); |
| 4184 |
|
| 4185 |
fcntl(fd, F_SETFL, O_NONBLOCK); |
| 4186 |
return fd;
|
| 4187 |
} |
| 4188 |
#elif defined(__sun__)
|
| 4189 |
#define TUNNEWPPA (('T'<<16) | 0x0001) |
| 4190 |
/*
|
| 4191 |
* Allocate TAP device, returns opened fd.
|
| 4192 |
* Stores dev name in the first arg(must be large enough).
|
| 4193 |
*/
|
| 4194 |
int tap_alloc(char *dev) |
| 4195 |
{
|
| 4196 |
int tap_fd, if_fd, ppa = -1; |
| 4197 |
static int ip_fd = 0; |
| 4198 |
char *ptr;
|
| 4199 |
|
| 4200 |
static int arp_fd = 0; |
| 4201 |
int ip_muxid, arp_muxid;
|
| 4202 |
struct strioctl strioc_if, strioc_ppa;
|
| 4203 |
int link_type = I_PLINK;;
|
| 4204 |
struct lifreq ifr;
|
| 4205 |
char actual_name[32] = ""; |
| 4206 |
|
| 4207 |
memset(&ifr, 0x0, sizeof(ifr)); |
| 4208 |
|
| 4209 |
if( *dev ){
|
| 4210 |
ptr = dev; |
| 4211 |
while( *ptr && !isdigit((int)*ptr) ) ptr++; |
| 4212 |
ppa = atoi(ptr); |
| 4213 |
} |
| 4214 |
|
| 4215 |
/* Check if IP device was opened */
|
| 4216 |
if( ip_fd )
|
| 4217 |
close(ip_fd); |
| 4218 |
|
| 4219 |
TFR(ip_fd = open("/dev/udp", O_RDWR, 0)); |
| 4220 |
if (ip_fd < 0) { |
| 4221 |
syslog(LOG_ERR, "Can't open /dev/ip (actually /dev/udp)");
|
| 4222 |
return -1; |
| 4223 |
} |
| 4224 |
|
| 4225 |
TFR(tap_fd = open("/dev/tap", O_RDWR, 0)); |
| 4226 |
if (tap_fd < 0) { |
| 4227 |
syslog(LOG_ERR, "Can't open /dev/tap");
|
| 4228 |
return -1; |
| 4229 |
} |
| 4230 |
|
| 4231 |
/* Assign a new PPA and get its unit number. */
|
| 4232 |
strioc_ppa.ic_cmd = TUNNEWPPA; |
| 4233 |
strioc_ppa.ic_timout = 0;
|
| 4234 |
strioc_ppa.ic_len = sizeof(ppa);
|
| 4235 |
strioc_ppa.ic_dp = (char *)&ppa;
|
| 4236 |
if ((ppa = ioctl (tap_fd, I_STR, &strioc_ppa)) < 0) |
| 4237 |
syslog (LOG_ERR, "Can't assign new interface");
|
| 4238 |
|
| 4239 |
TFR(if_fd = open("/dev/tap", O_RDWR, 0)); |
| 4240 |
if (if_fd < 0) { |
| 4241 |
syslog(LOG_ERR, "Can't open /dev/tap (2)");
|
| 4242 |
return -1; |
| 4243 |
} |
| 4244 |
if(ioctl(if_fd, I_PUSH, "ip") < 0){ |
| 4245 |
syslog(LOG_ERR, "Can't push IP module");
|
| 4246 |
return -1; |
| 4247 |
} |
| 4248 |
|
| 4249 |
if (ioctl(if_fd, SIOCGLIFFLAGS, &ifr) < 0) |
| 4250 |
syslog(LOG_ERR, "Can't get flags\n");
|
| 4251 |
|
| 4252 |
snprintf (actual_name, 32, "tap%d", ppa); |
| 4253 |
strncpy (ifr.lifr_name, actual_name, sizeof (ifr.lifr_name));
|
| 4254 |
|
| 4255 |
ifr.lifr_ppa = ppa; |
| 4256 |
/* Assign ppa according to the unit number returned by tun device */
|
| 4257 |
|
| 4258 |
if (ioctl (if_fd, SIOCSLIFNAME, &ifr) < 0) |
| 4259 |
syslog (LOG_ERR, "Can't set PPA %d", ppa);
|
| 4260 |
if (ioctl(if_fd, SIOCGLIFFLAGS, &ifr) <0) |
| 4261 |
syslog (LOG_ERR, "Can't get flags\n");
|
| 4262 |
/* Push arp module to if_fd */
|
| 4263 |
if (ioctl (if_fd, I_PUSH, "arp") < 0) |
| 4264 |
syslog (LOG_ERR, "Can't push ARP module (2)");
|
| 4265 |
|
| 4266 |
/* Push arp module to ip_fd */
|
| 4267 |
if (ioctl (ip_fd, I_POP, NULL) < 0) |
| 4268 |
syslog (LOG_ERR, "I_POP failed\n");
|
| 4269 |
if (ioctl (ip_fd, I_PUSH, "arp") < 0) |
| 4270 |
syslog (LOG_ERR, "Can't push ARP module (3)\n");
|
| 4271 |
/* Open arp_fd */
|
| 4272 |
TFR(arp_fd = open ("/dev/tap", O_RDWR, 0)); |
| 4273 |
if (arp_fd < 0) |
| 4274 |
syslog (LOG_ERR, "Can't open %s\n", "/dev/tap"); |
| 4275 |
|
| 4276 |
/* Set ifname to arp */
|
| 4277 |
strioc_if.ic_cmd = SIOCSLIFNAME; |
| 4278 |
strioc_if.ic_timout = 0;
|
| 4279 |
strioc_if.ic_len = sizeof(ifr);
|
| 4280 |
strioc_if.ic_dp = (char *)𝔦
|
| 4281 |
if (ioctl(arp_fd, I_STR, &strioc_if) < 0){ |
| 4282 |
syslog (LOG_ERR, "Can't set ifname to arp\n");
|
| 4283 |
} |
| 4284 |
|
| 4285 |
if((ip_muxid = ioctl(ip_fd, I_LINK, if_fd)) < 0){ |
| 4286 |
syslog(LOG_ERR, "Can't link TAP device to IP");
|
| 4287 |
return -1; |
| 4288 |
} |
| 4289 |
|
| 4290 |
if ((arp_muxid = ioctl (ip_fd, link_type, arp_fd)) < 0) |
| 4291 |
syslog (LOG_ERR, "Can't link TAP device to ARP");
|
| 4292 |
|
| 4293 |
close (if_fd); |
| 4294 |
|
| 4295 |
memset(&ifr, 0x0, sizeof(ifr)); |
| 4296 |
strncpy (ifr.lifr_name, actual_name, sizeof (ifr.lifr_name));
|
| 4297 |
ifr.lifr_ip_muxid = ip_muxid; |
| 4298 |
ifr.lifr_arp_muxid = arp_muxid; |
| 4299 |
|
| 4300 |
if (ioctl (ip_fd, SIOCSLIFMUXID, &ifr) < 0) |
| 4301 |
{
|
| 4302 |
ioctl (ip_fd, I_PUNLINK , arp_muxid); |
| 4303 |
ioctl (ip_fd, I_PUNLINK, ip_muxid); |
| 4304 |
syslog (LOG_ERR, "Can't set multiplexor id");
|
| 4305 |
} |
| 4306 |
|
| 4307 |
sprintf(dev, "tap%d", ppa);
|
| 4308 |
return tap_fd;
|
| 4309 |
} |
| 4310 |
|
| 4311 |
static int tap_open(char *ifname, int ifname_size) |
| 4312 |
{
|
| 4313 |
char dev[10]=""; |
| 4314 |
int fd;
|
| 4315 |
if( (fd = tap_alloc(dev)) < 0 ){ |
| 4316 |
fprintf(stderr, "Cannot allocate TAP device\n");
|
| 4317 |
return -1; |
| 4318 |
} |
| 4319 |
pstrcpy(ifname, ifname_size, dev); |
| 4320 |
fcntl(fd, F_SETFL, O_NONBLOCK); |
| 4321 |
return fd;
|
| 4322 |
} |
| 4323 |
#else
|
| 4324 |
static int tap_open(char *ifname, int ifname_size) |
| 4325 |
{
|
| 4326 |
struct ifreq ifr;
|
| 4327 |
int fd, ret;
|
| 4328 |
|
| 4329 |
TFR(fd = open("/dev/net/tun", O_RDWR));
|
| 4330 |
if (fd < 0) { |
| 4331 |
fprintf(stderr, "warning: could not open /dev/net/tun: no virtual network emulation\n");
|
| 4332 |
return -1; |
| 4333 |
} |
| 4334 |
memset(&ifr, 0, sizeof(ifr)); |
| 4335 |
ifr.ifr_flags = IFF_TAP | IFF_NO_PI; |
| 4336 |
if (ifname[0] != '\0') |
| 4337 |
pstrcpy(ifr.ifr_name, IFNAMSIZ, ifname); |
| 4338 |
else
|
| 4339 |
pstrcpy(ifr.ifr_name, IFNAMSIZ, "tap%d");
|
| 4340 |
ret = ioctl(fd, TUNSETIFF, (void *) &ifr);
|
| 4341 |
if (ret != 0) { |
| 4342 |
fprintf(stderr, "warning: could not configure /dev/net/tun: no virtual network emulation\n");
|
| 4343 |
close(fd); |
| 4344 |
return -1; |
| 4345 |
} |
| 4346 |
pstrcpy(ifname, ifname_size, ifr.ifr_name); |
| 4347 |
fcntl(fd, F_SETFL, O_NONBLOCK); |
| 4348 |
return fd;
|
| 4349 |
} |
| 4350 |
#endif
|
| 4351 |
|
| 4352 |
static int launch_script(const char *setup_script, const char *ifname, int fd) |
| 4353 |
{
|
| 4354 |
int pid, status;
|
| 4355 |
char *args[3]; |
| 4356 |
char **parg;
|
| 4357 |
|
| 4358 |
/* try to launch network script */
|
| 4359 |
pid = fork(); |
| 4360 |
if (pid >= 0) { |
| 4361 |
if (pid == 0) { |
| 4362 |
int open_max = sysconf (_SC_OPEN_MAX), i;
|
| 4363 |
for (i = 0; i < open_max; i++) |
| 4364 |
if (i != STDIN_FILENO &&
|
| 4365 |
i != STDOUT_FILENO && |
| 4366 |
i != STDERR_FILENO && |
| 4367 |
i != fd) |
| 4368 |
close(i); |
| 4369 |
|
| 4370 |
parg = args; |
| 4371 |
*parg++ = (char *)setup_script;
|
| 4372 |
*parg++ = (char *)ifname;
|
| 4373 |
*parg++ = NULL;
|
| 4374 |
execv(setup_script, args); |
| 4375 |
_exit(1);
|
| 4376 |
} |
| 4377 |
while (waitpid(pid, &status, 0) != pid); |
| 4378 |
if (!WIFEXITED(status) ||
|
| 4379 |
WEXITSTATUS(status) != 0) {
|
| 4380 |
fprintf(stderr, "%s: could not launch network script\n",
|
| 4381 |
setup_script); |
| 4382 |
return -1; |
| 4383 |
} |
| 4384 |
} |
| 4385 |
return 0; |
| 4386 |
} |
| 4387 |
|
| 4388 |
static int net_tap_init(VLANState *vlan, const char *ifname1, |
| 4389 |
const char *setup_script, const char *down_script) |
| 4390 |
{
|
| 4391 |
TAPState *s; |
| 4392 |
int fd;
|
| 4393 |
char ifname[128]; |
| 4394 |
|
| 4395 |
if (ifname1 != NULL) |
| 4396 |
pstrcpy(ifname, sizeof(ifname), ifname1);
|
| 4397 |
else
|
| 4398 |
ifname[0] = '\0'; |
| 4399 |
TFR(fd = tap_open(ifname, sizeof(ifname)));
|
| 4400 |
if (fd < 0) |
| 4401 |
return -1; |
| 4402 |
|
| 4403 |
if (!setup_script || !strcmp(setup_script, "no")) |
| 4404 |
setup_script = "";
|
| 4405 |
if (setup_script[0] != '\0') { |
| 4406 |
if (launch_script(setup_script, ifname, fd))
|
| 4407 |
return -1; |
| 4408 |
} |
| 4409 |
s = net_tap_fd_init(vlan, fd); |
| 4410 |
if (!s)
|
| 4411 |
return -1; |
| 4412 |
snprintf(s->vc->info_str, sizeof(s->vc->info_str),
|
| 4413 |
"tap: ifname=%s setup_script=%s", ifname, setup_script);
|
| 4414 |
if (down_script && strcmp(down_script, "no")) |
| 4415 |
snprintf(s->down_script, sizeof(s->down_script), "%s", down_script); |
| 4416 |
return 0; |
| 4417 |
} |
| 4418 |
|
| 4419 |
#endif /* !_WIN32 */ |
| 4420 |
|
| 4421 |
/* network connection */
|
| 4422 |
typedef struct NetSocketState { |
| 4423 |
VLANClientState *vc; |
| 4424 |
int fd;
|
| 4425 |
int state; /* 0 = getting length, 1 = getting data */ |
| 4426 |
int index;
|
| 4427 |
int packet_len;
|
| 4428 |
uint8_t buf[4096];
|
| 4429 |
struct sockaddr_in dgram_dst; /* contains inet host and port destination iff connectionless (SOCK_DGRAM) */ |
| 4430 |
} NetSocketState; |
| 4431 |
|
| 4432 |
typedef struct NetSocketListenState { |
| 4433 |
VLANState *vlan; |
| 4434 |
int fd;
|
| 4435 |
} NetSocketListenState; |
| 4436 |
|
| 4437 |
/* XXX: we consider we can send the whole packet without blocking */
|
| 4438 |
static void net_socket_receive(void *opaque, const uint8_t *buf, int size) |
| 4439 |
{
|
| 4440 |
NetSocketState *s = opaque; |
| 4441 |
uint32_t len; |
| 4442 |
len = htonl(size); |
| 4443 |
|
| 4444 |
send_all(s->fd, (const uint8_t *)&len, sizeof(len)); |
| 4445 |
send_all(s->fd, buf, size); |
| 4446 |
} |
| 4447 |
|
| 4448 |
static void net_socket_receive_dgram(void *opaque, const uint8_t *buf, int size) |
| 4449 |
{
|
| 4450 |
NetSocketState *s = opaque; |
| 4451 |
sendto(s->fd, buf, size, 0,
|
| 4452 |
(struct sockaddr *)&s->dgram_dst, sizeof(s->dgram_dst)); |
| 4453 |
} |
| 4454 |
|
| 4455 |
static void net_socket_send(void *opaque) |
| 4456 |
{
|
| 4457 |
NetSocketState *s = opaque; |
| 4458 |
int l, size, err;
|
| 4459 |
uint8_t buf1[4096];
|
| 4460 |
const uint8_t *buf;
|
| 4461 |
|
| 4462 |
size = recv(s->fd, buf1, sizeof(buf1), 0); |
| 4463 |
if (size < 0) { |
| 4464 |
err = socket_error(); |
| 4465 |
if (err != EWOULDBLOCK)
|
| 4466 |
goto eoc;
|
| 4467 |
} else if (size == 0) { |
| 4468 |
/* end of connection */
|
| 4469 |
eoc:
|
| 4470 |
qemu_set_fd_handler(s->fd, NULL, NULL, NULL); |
| 4471 |
closesocket(s->fd); |
| 4472 |
return;
|
| 4473 |
} |
| 4474 |
buf = buf1; |
| 4475 |
while (size > 0) { |
| 4476 |
/* reassemble a packet from the network */
|
| 4477 |
switch(s->state) {
|
| 4478 |
case 0: |
| 4479 |
l = 4 - s->index;
|
| 4480 |
if (l > size)
|
| 4481 |
l = size; |
| 4482 |
memcpy(s->buf + s->index, buf, l); |
| 4483 |
buf += l; |
| 4484 |
size -= l; |
| 4485 |
s->index += l; |
| 4486 |
if (s->index == 4) { |
| 4487 |
/* got length */
|
| 4488 |
s->packet_len = ntohl(*(uint32_t *)s->buf); |
| 4489 |
s->index = 0;
|
| 4490 |
s->state = 1;
|
| 4491 |
} |
| 4492 |
break;
|
| 4493 |
case 1: |
| 4494 |
l = s->packet_len - s->index; |
| 4495 |
if (l > size)
|
| 4496 |
l = size; |
| 4497 |
memcpy(s->buf + s->index, buf, l); |
| 4498 |
s->index += l; |
| 4499 |
buf += l; |
| 4500 |
size -= l; |
| 4501 |
if (s->index >= s->packet_len) {
|
| 4502 |
qemu_send_packet(s->vc, s->buf, s->packet_len); |
| 4503 |
s->index = 0;
|
| 4504 |
s->state = 0;
|
| 4505 |
} |
| 4506 |
break;
|
| 4507 |
} |
| 4508 |
} |
| 4509 |
} |
| 4510 |
|
| 4511 |
static void net_socket_send_dgram(void *opaque) |
| 4512 |
{
|
| 4513 |
NetSocketState *s = opaque; |
| 4514 |
int size;
|
| 4515 |
|
| 4516 |
size = recv(s->fd, s->buf, sizeof(s->buf), 0); |
| 4517 |
if (size < 0) |
| 4518 |
return;
|
| 4519 |
if (size == 0) { |
| 4520 |
/* end of connection */
|
| 4521 |
qemu_set_fd_handler(s->fd, NULL, NULL, NULL); |
| 4522 |
return;
|
| 4523 |
} |
| 4524 |
qemu_send_packet(s->vc, s->buf, size); |
| 4525 |
} |
| 4526 |
|
| 4527 |
static int net_socket_mcast_create(struct sockaddr_in *mcastaddr) |
| 4528 |
{
|
| 4529 |
struct ip_mreq imr;
|
| 4530 |
int fd;
|
| 4531 |
int val, ret;
|
| 4532 |
if (!IN_MULTICAST(ntohl(mcastaddr->sin_addr.s_addr))) {
|
| 4533 |
fprintf(stderr, "qemu: error: specified mcastaddr \"%s\" (0x%08x) does not contain a multicast address\n",
|
| 4534 |
inet_ntoa(mcastaddr->sin_addr), |
| 4535 |
(int)ntohl(mcastaddr->sin_addr.s_addr));
|
| 4536 |
return -1; |
| 4537 |
|
| 4538 |
} |
| 4539 |
fd = socket(PF_INET, SOCK_DGRAM, 0);
|
| 4540 |
if (fd < 0) { |
| 4541 |
perror("socket(PF_INET, SOCK_DGRAM)");
|
| 4542 |
return -1; |
| 4543 |
} |
| 4544 |
|
| 4545 |
val = 1;
|
| 4546 |
ret=setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, |
| 4547 |
(const char *)&val, sizeof(val)); |
| 4548 |
if (ret < 0) { |
| 4549 |
perror("setsockopt(SOL_SOCKET, SO_REUSEADDR)");
|
| 4550 |
goto fail;
|
| 4551 |
} |
| 4552 |
|
| 4553 |
ret = bind(fd, (struct sockaddr *)mcastaddr, sizeof(*mcastaddr)); |
| 4554 |
if (ret < 0) { |
| 4555 |
perror("bind");
|
| 4556 |
goto fail;
|
| 4557 |
} |
| 4558 |
|
| 4559 |
/* Add host to multicast group */
|
| 4560 |
imr.imr_multiaddr = mcastaddr->sin_addr; |
| 4561 |
imr.imr_interface.s_addr = htonl(INADDR_ANY); |
| 4562 |
|
| 4563 |
ret = setsockopt(fd, IPPROTO_IP, IP_ADD_MEMBERSHIP, |
| 4564 |
(const char *)&imr, sizeof(struct ip_mreq)); |
| 4565 |
if (ret < 0) { |
| 4566 |
perror("setsockopt(IP_ADD_MEMBERSHIP)");
|
| 4567 |
goto fail;
|
| 4568 |
} |
| 4569 |
|
| 4570 |
/* Force mcast msgs to loopback (eg. several QEMUs in same host */
|
| 4571 |
val = 1;
|
| 4572 |
ret=setsockopt(fd, IPPROTO_IP, IP_MULTICAST_LOOP, |
| 4573 |
(const char *)&val, sizeof(val)); |
| 4574 |
if (ret < 0) { |
| 4575 |
perror("setsockopt(SOL_IP, IP_MULTICAST_LOOP)");
|
| 4576 |
goto fail;
|
| 4577 |
} |
| 4578 |
|
| 4579 |
socket_set_nonblock(fd); |
| 4580 |
return fd;
|
| 4581 |
fail:
|
| 4582 |
if (fd >= 0) |
| 4583 |
closesocket(fd); |
| 4584 |
return -1; |
| 4585 |
} |
| 4586 |
|
| 4587 |
static NetSocketState *net_socket_fd_init_dgram(VLANState *vlan, int fd, |
| 4588 |
int is_connected)
|
| 4589 |
{
|
| 4590 |
struct sockaddr_in saddr;
|
| 4591 |
int newfd;
|
| 4592 |
socklen_t saddr_len; |
| 4593 |
NetSocketState *s; |
| 4594 |
|
| 4595 |
/* fd passed: multicast: "learn" dgram_dst address from bound address and save it
|
| 4596 |
* Because this may be "shared" socket from a "master" process, datagrams would be recv()
|
| 4597 |
* by ONLY ONE process: we must "clone" this dgram socket --jjo
|
| 4598 |
*/
|
| 4599 |
|
| 4600 |
if (is_connected) {
|
| 4601 |
if (getsockname(fd, (struct sockaddr *) &saddr, &saddr_len) == 0) { |
| 4602 |
/* must be bound */
|
| 4603 |
if (saddr.sin_addr.s_addr==0) { |
| 4604 |
fprintf(stderr, "qemu: error: init_dgram: fd=%d unbound, cannot setup multicast dst addr\n",
|
| 4605 |
fd); |
| 4606 |
return NULL; |
| 4607 |
} |
| 4608 |
/* clone dgram socket */
|
| 4609 |
newfd = net_socket_mcast_create(&saddr); |
| 4610 |
if (newfd < 0) { |
| 4611 |
/* error already reported by net_socket_mcast_create() */
|
| 4612 |
close(fd); |
| 4613 |
return NULL; |
| 4614 |
} |
| 4615 |
/* clone newfd to fd, close newfd */
|
| 4616 |
dup2(newfd, fd); |
| 4617 |
close(newfd); |
| 4618 |
|
| 4619 |
} else {
|
| 4620 |
fprintf(stderr, "qemu: error: init_dgram: fd=%d failed getsockname(): %s\n",
|
| 4621 |
fd, strerror(errno)); |
| 4622 |
return NULL; |
| 4623 |
} |
| 4624 |
} |
| 4625 |
|
| 4626 |
s = qemu_mallocz(sizeof(NetSocketState));
|
| 4627 |
if (!s)
|
| 4628 |
return NULL; |
| 4629 |
s->fd = fd; |
| 4630 |
|
| 4631 |
s->vc = qemu_new_vlan_client(vlan, net_socket_receive_dgram, NULL, s);
|
| 4632 |
qemu_set_fd_handler(s->fd, net_socket_send_dgram, NULL, s);
|
| 4633 |
|
| 4634 |
/* mcast: save bound address as dst */
|
| 4635 |
if (is_connected) s->dgram_dst=saddr;
|
| 4636 |
|
| 4637 |
snprintf(s->vc->info_str, sizeof(s->vc->info_str),
|
| 4638 |
"socket: fd=%d (%s mcast=%s:%d)",
|
| 4639 |
fd, is_connected? "cloned" : "", |
| 4640 |
inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port)); |
| 4641 |
return s;
|
| 4642 |
} |
| 4643 |
|
| 4644 |
static void net_socket_connect(void *opaque) |
| 4645 |
{
|
| 4646 |
NetSocketState *s = opaque; |
| 4647 |
qemu_set_fd_handler(s->fd, net_socket_send, NULL, s);
|
| 4648 |
} |
| 4649 |
|
| 4650 |
static NetSocketState *net_socket_fd_init_stream(VLANState *vlan, int fd, |
| 4651 |
int is_connected)
|
| 4652 |
{
|
| 4653 |
NetSocketState *s; |
| 4654 |
s = qemu_mallocz(sizeof(NetSocketState));
|
| 4655 |
if (!s)
|
| 4656 |
return NULL; |
| 4657 |
s->fd = fd; |
| 4658 |
s->vc = qemu_new_vlan_client(vlan, |
| 4659 |
net_socket_receive, NULL, s);
|
| 4660 |
snprintf(s->vc->info_str, sizeof(s->vc->info_str),
|
| 4661 |
"socket: fd=%d", fd);
|
| 4662 |
if (is_connected) {
|
| 4663 |
net_socket_connect(s); |
| 4664 |
} else {
|
| 4665 |
qemu_set_fd_handler(s->fd, NULL, net_socket_connect, s);
|
| 4666 |
} |
| 4667 |
return s;
|
| 4668 |
} |
| 4669 |
|
| 4670 |
static NetSocketState *net_socket_fd_init(VLANState *vlan, int fd, |
| 4671 |
int is_connected)
|
| 4672 |
{
|
| 4673 |
int so_type=-1, optlen=sizeof(so_type); |
| 4674 |
|
| 4675 |
if(getsockopt(fd, SOL_SOCKET, SO_TYPE, (char *)&so_type, |
| 4676 |
(socklen_t *)&optlen)< 0) {
|
| 4677 |
fprintf(stderr, "qemu: error: getsockopt(SO_TYPE) for fd=%d failed\n", fd);
|
| 4678 |
return NULL; |
| 4679 |
} |
| 4680 |
switch(so_type) {
|
| 4681 |
case SOCK_DGRAM:
|
| 4682 |
return net_socket_fd_init_dgram(vlan, fd, is_connected);
|
| 4683 |
case SOCK_STREAM:
|
| 4684 |
return net_socket_fd_init_stream(vlan, fd, is_connected);
|
| 4685 |
default:
|
| 4686 |
/* who knows ... this could be a eg. a pty, do warn and continue as stream */
|
| 4687 |
fprintf(stderr, "qemu: warning: socket type=%d for fd=%d is not SOCK_DGRAM or SOCK_STREAM\n", so_type, fd);
|
| 4688 |
return net_socket_fd_init_stream(vlan, fd, is_connected);
|
| 4689 |
} |
| 4690 |
return NULL; |
| 4691 |
} |
| 4692 |
|
| 4693 |
static void net_socket_accept(void *opaque) |
| 4694 |
{
|
| 4695 |
NetSocketListenState *s = opaque; |
| 4696 |
NetSocketState *s1; |
| 4697 |
struct sockaddr_in saddr;
|
| 4698 |
socklen_t len; |
| 4699 |
int fd;
|
| 4700 |
|
| 4701 |
for(;;) {
|
| 4702 |
len = sizeof(saddr);
|
| 4703 |
fd = accept(s->fd, (struct sockaddr *)&saddr, &len);
|
| 4704 |
if (fd < 0 && errno != EINTR) { |
| 4705 |
return;
|
| 4706 |
} else if (fd >= 0) { |
| 4707 |
break;
|
| 4708 |
} |
| 4709 |
} |
| 4710 |
s1 = net_socket_fd_init(s->vlan, fd, 1);
|
| 4711 |
if (!s1) {
|
| 4712 |
closesocket(fd); |
| 4713 |
} else {
|
| 4714 |
snprintf(s1->vc->info_str, sizeof(s1->vc->info_str),
|
| 4715 |
"socket: connection from %s:%d",
|
| 4716 |
inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port)); |
| 4717 |
} |
| 4718 |
} |
| 4719 |
|
| 4720 |
static int net_socket_listen_init(VLANState *vlan, const char *host_str) |
| 4721 |
{
|
| 4722 |
NetSocketListenState *s; |
| 4723 |
int fd, val, ret;
|
| 4724 |
struct sockaddr_in saddr;
|
| 4725 |
|
| 4726 |
if (parse_host_port(&saddr, host_str) < 0) |
| 4727 |
return -1; |
| 4728 |
|
| 4729 |
s = qemu_mallocz(sizeof(NetSocketListenState));
|
| 4730 |
if (!s)
|
| 4731 |
return -1; |
| 4732 |
|
| 4733 |
fd = socket(PF_INET, SOCK_STREAM, 0);
|
| 4734 |
if (fd < 0) { |
| 4735 |
perror("socket");
|
| 4736 |
return -1; |
| 4737 |
} |
| 4738 |
socket_set_nonblock(fd); |
| 4739 |
|
| 4740 |
/* allow fast reuse */
|
| 4741 |
val = 1;
|
| 4742 |
setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, (const char *)&val, sizeof(val)); |
| 4743 |
|
| 4744 |
ret = bind(fd, (struct sockaddr *)&saddr, sizeof(saddr)); |
| 4745 |
if (ret < 0) { |
| 4746 |
perror("bind");
|
| 4747 |
return -1; |
| 4748 |
} |
| 4749 |
ret = listen(fd, 0);
|
| 4750 |
if (ret < 0) { |
| 4751 |
perror("listen");
|
| 4752 |
return -1; |
| 4753 |
} |
| 4754 |
s->vlan = vlan; |
| 4755 |
s->fd = fd; |
| 4756 |
qemu_set_fd_handler(fd, net_socket_accept, NULL, s);
|
| 4757 |
return 0; |
| 4758 |
} |
| 4759 |
|
| 4760 |
static int net_socket_connect_init(VLANState *vlan, const char *host_str) |
| 4761 |
{
|
| 4762 |
NetSocketState *s; |
| 4763 |
int fd, connected, ret, err;
|
| 4764 |
struct sockaddr_in saddr;
|
| 4765 |
|
| 4766 |
if (parse_host_port(&saddr, host_str) < 0) |
| 4767 |
return -1; |
| 4768 |
|
| 4769 |
fd = socket(PF_INET, SOCK_STREAM, 0);
|
| 4770 |
if (fd < 0) { |
| 4771 |
perror("socket");
|
| 4772 |
return -1; |
| 4773 |
} |
| 4774 |
socket_set_nonblock(fd); |
| 4775 |
|
| 4776 |
connected = 0;
|
| 4777 |
for(;;) {
|
| 4778 |
ret = connect(fd, (struct sockaddr *)&saddr, sizeof(saddr)); |
| 4779 |
if (ret < 0) { |
| 4780 |
err = socket_error(); |
| 4781 |
if (err == EINTR || err == EWOULDBLOCK) {
|
| 4782 |
} else if (err == EINPROGRESS) { |
| 4783 |
break;
|
| 4784 |
#ifdef _WIN32
|
| 4785 |
} else if (err == WSAEALREADY) { |
| 4786 |
break;
|
| 4787 |
#endif
|
| 4788 |
} else {
|
| 4789 |
perror("connect");
|
| 4790 |
closesocket(fd); |
| 4791 |
return -1; |
| 4792 |
} |
| 4793 |
} else {
|
| 4794 |
connected = 1;
|
| 4795 |
break;
|
| 4796 |
} |
| 4797 |
} |
| 4798 |
s = net_socket_fd_init(vlan, fd, connected); |
| 4799 |
if (!s)
|
| 4800 |
return -1; |
| 4801 |
snprintf(s->vc->info_str, sizeof(s->vc->info_str),
|
| 4802 |
"socket: connect to %s:%d",
|
| 4803 |
inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port)); |
| 4804 |
return 0; |
| 4805 |
} |
| 4806 |
|
| 4807 |
static int net_socket_mcast_init(VLANState *vlan, const char *host_str) |
| 4808 |
{
|
| 4809 |
NetSocketState *s; |
| 4810 |
int fd;
|
| 4811 |
struct sockaddr_in saddr;
|
| 4812 |
|
| 4813 |
if (parse_host_port(&saddr, host_str) < 0) |
| 4814 |
return -1; |
| 4815 |
|
| 4816 |
|
| 4817 |
fd = net_socket_mcast_create(&saddr); |
| 4818 |
if (fd < 0) |
| 4819 |
return -1; |
| 4820 |
|
| 4821 |
s = net_socket_fd_init(vlan, fd, 0);
|
| 4822 |
if (!s)
|
| 4823 |
return -1; |
| 4824 |
|
| 4825 |
s->dgram_dst = saddr; |
| 4826 |
|
| 4827 |
snprintf(s->vc->info_str, sizeof(s->vc->info_str),
|
| 4828 |
"socket: mcast=%s:%d",
|
| 4829 |
inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port)); |
| 4830 |
return 0; |
| 4831 |
|
| 4832 |
} |
| 4833 |
|
| 4834 |
static const char *get_opt_name(char *buf, int buf_size, const char *p) |
| 4835 |
{
|
| 4836 |
char *q;
|
| 4837 |
|
| 4838 |
q = buf; |
| 4839 |
while (*p != '\0' && *p != '=') { |
| 4840 |
if (q && (q - buf) < buf_size - 1) |
| 4841 |
*q++ = *p; |
| 4842 |
p++; |
| 4843 |
} |
| 4844 |
if (q)
|
| 4845 |
*q = '\0';
|
| 4846 |
|
| 4847 |
return p;
|
| 4848 |
} |
| 4849 |
|
| 4850 |
static const char *get_opt_value(char *buf, int buf_size, const char *p) |
| 4851 |
{
|
| 4852 |
char *q;
|
| 4853 |
|
| 4854 |
q = buf; |
| 4855 |
while (*p != '\0') { |
| 4856 |
if (*p == ',') { |
| 4857 |
if (*(p + 1) != ',') |
| 4858 |
break;
|
| 4859 |
p++; |
| 4860 |
} |
| 4861 |
if (q && (q - buf) < buf_size - 1) |
| 4862 |
*q++ = *p; |
| 4863 |
p++; |
| 4864 |
} |
| 4865 |
if (q)
|
| 4866 |
*q = '\0';
|
| 4867 |
|
| 4868 |
return p;
|
| 4869 |
} |
| 4870 |
|
| 4871 |
static int get_param_value(char *buf, int buf_size, |
| 4872 |
const char *tag, const char *str) |
| 4873 |
{
|
| 4874 |
const char *p; |
| 4875 |
char option[128]; |
| 4876 |
|
| 4877 |
p = str; |
| 4878 |
for(;;) {
|
| 4879 |
p = get_opt_name(option, sizeof(option), p);
|
| 4880 |
if (*p != '=') |
| 4881 |
break;
|
| 4882 |
p++; |
| 4883 |
if (!strcmp(tag, option)) {
|
| 4884 |
(void)get_opt_value(buf, buf_size, p);
|
| 4885 |
return strlen(buf);
|
| 4886 |
} else {
|
| 4887 |
p = get_opt_value(NULL, 0, p); |
| 4888 |
} |
| 4889 |
if (*p != ',') |
| 4890 |
break;
|
| 4891 |
p++; |
| 4892 |
} |
| 4893 |
return 0; |
| 4894 |
} |
| 4895 |
|
| 4896 |
static int check_params(char *buf, int buf_size, |
| 4897 |
char **params, const char *str) |
| 4898 |
{
|
| 4899 |
const char *p; |
| 4900 |
int i;
|
| 4901 |
|
| 4902 |
p = str; |
| 4903 |
for(;;) {
|
| 4904 |
p = get_opt_name(buf, buf_size, p); |
| 4905 |
if (*p != '=') |
| 4906 |
return -1; |
| 4907 |
p++; |
| 4908 |
for(i = 0; params[i] != NULL; i++) |
| 4909 |
if (!strcmp(params[i], buf))
|
| 4910 |
break;
|
| 4911 |
if (params[i] == NULL) |
| 4912 |
return -1; |
| 4913 |
p = get_opt_value(NULL, 0, p); |
| 4914 |
if (*p != ',') |
| 4915 |
break;
|
| 4916 |
p++; |
| 4917 |
} |
| 4918 |
return 0; |
| 4919 |
} |
| 4920 |
|
| 4921 |
|
| 4922 |
static int net_client_init(const char *str) |
| 4923 |
{
|
| 4924 |
const char *p; |
| 4925 |
char *q;
|
| 4926 |
char device[64]; |
| 4927 |
char buf[1024]; |
| 4928 |
int vlan_id, ret;
|
| 4929 |
VLANState *vlan; |
| 4930 |
|
| 4931 |
p = str; |
| 4932 |
q = device; |
| 4933 |
while (*p != '\0' && *p != ',') { |
| 4934 |
if ((q - device) < sizeof(device) - 1) |
| 4935 |
*q++ = *p; |
| 4936 |
p++; |
| 4937 |
} |
| 4938 |
*q = '\0';
|
| 4939 |
if (*p == ',') |
| 4940 |
p++; |
| 4941 |
vlan_id = 0;
|
| 4942 |
if (get_param_value(buf, sizeof(buf), "vlan", p)) { |
| 4943 |
vlan_id = strtol(buf, NULL, 0); |
| 4944 |
} |
| 4945 |
vlan = qemu_find_vlan(vlan_id); |
| 4946 |
if (!vlan) {
|
| 4947 |
fprintf(stderr, "Could not create vlan %d\n", vlan_id);
|
| 4948 |
return -1; |
| 4949 |
} |
| 4950 |
if (!strcmp(device, "nic")) { |
| 4951 |
NICInfo *nd; |
| 4952 |
uint8_t *macaddr; |
| 4953 |
|
| 4954 |
if (nb_nics >= MAX_NICS) {
|
| 4955 |
fprintf(stderr, "Too Many NICs\n");
|
| 4956 |
return -1; |
| 4957 |
} |
| 4958 |
nd = &nd_table[nb_nics]; |
| 4959 |
macaddr = nd->macaddr; |
| 4960 |
macaddr[0] = 0x52; |
| 4961 |
macaddr[1] = 0x54; |
| 4962 |
macaddr[2] = 0x00; |
| 4963 |
macaddr[3] = 0x12; |
| 4964 |
macaddr[4] = 0x34; |
| 4965 |
macaddr[5] = 0x56 + nb_nics; |
| 4966 |
|
| 4967 |
if (get_param_value(buf, sizeof(buf), "macaddr", p)) { |
| 4968 |
if (parse_macaddr(macaddr, buf) < 0) { |
| 4969 |
fprintf(stderr, "invalid syntax for ethernet address\n");
|
| 4970 |
return -1; |
| 4971 |
} |
| 4972 |
} |
| 4973 |
if (get_param_value(buf, sizeof(buf), "model", p)) { |
| 4974 |
nd->model = strdup(buf); |
| 4975 |
} |
| 4976 |
nd->vlan = vlan; |
| 4977 |
nb_nics++; |
| 4978 |
vlan->nb_guest_devs++; |
| 4979 |
ret = 0;
|
| 4980 |
} else
|
| 4981 |
if (!strcmp(device, "none")) { |
| 4982 |
/* does nothing. It is needed to signal that no network cards
|
| 4983 |
are wanted */
|
| 4984 |
ret = 0;
|
| 4985 |
} else
|
| 4986 |
#ifdef CONFIG_SLIRP
|
| 4987 |
if (!strcmp(device, "user")) { |
| 4988 |
if (get_param_value(buf, sizeof(buf), "hostname", p)) { |
| 4989 |
pstrcpy(slirp_hostname, sizeof(slirp_hostname), buf);
|
| 4990 |
} |
| 4991 |
vlan->nb_host_devs++; |
| 4992 |
ret = net_slirp_init(vlan); |
| 4993 |
} else
|
| 4994 |
#endif
|
| 4995 |
#ifdef _WIN32
|
| 4996 |
if (!strcmp(device, "tap")) { |
| 4997 |
char ifname[64]; |
| 4998 |
if (get_param_value(ifname, sizeof(ifname), "ifname", p) <= 0) { |
| 4999 |
fprintf(stderr, "tap: no interface name\n");
|
| 5000 |
return -1; |
| 5001 |
} |
| 5002 |
vlan->nb_host_devs++; |
| 5003 |
ret = tap_win32_init(vlan, ifname); |
| 5004 |
} else
|
| 5005 |
#else
|
| 5006 |
if (!strcmp(device, "tap")) { |
| 5007 |
char ifname[64]; |
| 5008 |
char setup_script[1024], down_script[1024]; |
| 5009 |
int fd;
|
| 5010 |
vlan->nb_host_devs++; |
| 5011 |
if (get_param_value(buf, sizeof(buf), "fd", p) > 0) { |
| 5012 |
fd = strtol(buf, NULL, 0); |
| 5013 |
fcntl(fd, F_SETFL, O_NONBLOCK); |
| 5014 |
ret = -1;
|
| 5015 |
if (net_tap_fd_init(vlan, fd))
|
| 5016 |
ret = 0;
|
| 5017 |
} else {
|
| 5018 |
if (get_param_value(ifname, sizeof(ifname), "ifname", p) <= 0) { |
| 5019 |
ifname[0] = '\0'; |
| 5020 |
} |
| 5021 |
if (get_param_value(setup_script, sizeof(setup_script), "script", p) == 0) { |
| 5022 |
pstrcpy(setup_script, sizeof(setup_script), DEFAULT_NETWORK_SCRIPT);
|
| 5023 |
} |
| 5024 |
if (get_param_value(down_script, sizeof(down_script), "downscript", p) == 0) { |
| 5025 |
pstrcpy(down_script, sizeof(down_script), DEFAULT_NETWORK_DOWN_SCRIPT);
|
| 5026 |
} |
| 5027 |
ret = net_tap_init(vlan, ifname, setup_script, down_script); |
| 5028 |
} |
| 5029 |
} else
|
| 5030 |
#endif
|
| 5031 |
if (!strcmp(device, "socket")) { |
| 5032 |
if (get_param_value(buf, sizeof(buf), "fd", p) > 0) { |
| 5033 |
int fd;
|
| 5034 |
fd = strtol(buf, NULL, 0); |
| 5035 |
ret = -1;
|
| 5036 |
if (net_socket_fd_init(vlan, fd, 1)) |
| 5037 |
ret = 0;
|
| 5038 |
} else if (get_param_value(buf, sizeof(buf), "listen", p) > 0) { |
| 5039 |
ret = net_socket_listen_init(vlan, buf); |
| 5040 |
} else if (get_param_value(buf, sizeof(buf), "connect", p) > 0) { |
| 5041 |
ret = net_socket_connect_init(vlan, buf); |
| 5042 |
} else if (get_param_value(buf, sizeof(buf), "mcast", p) > 0) { |
| 5043 |
ret = net_socket_mcast_init(vlan, buf); |
| 5044 |
} else {
|
| 5045 |
fprintf(stderr, "Unknown socket options: %s\n", p);
|
| 5046 |
return -1; |
| 5047 |
} |
| 5048 |
vlan->nb_host_devs++; |
| 5049 |
} else
|
| 5050 |
{
|
| 5051 |
fprintf(stderr, "Unknown network device: %s\n", device);
|
| 5052 |
return -1; |
| 5053 |
} |
| 5054 |
if (ret < 0) { |
| 5055 |
fprintf(stderr, "Could not initialize device '%s'\n", device);
|
| 5056 |
} |
| 5057 |
|
| 5058 |
return ret;
|
| 5059 |
} |
| 5060 |
|
| 5061 |
void do_info_network(void) |
| 5062 |
{
|
| 5063 |
VLANState *vlan; |
| 5064 |
VLANClientState *vc; |
| 5065 |
|
| 5066 |
for(vlan = first_vlan; vlan != NULL; vlan = vlan->next) { |
| 5067 |
term_printf("VLAN %d devices:\n", vlan->id);
|
| 5068 |
for(vc = vlan->first_client; vc != NULL; vc = vc->next) |
| 5069 |
term_printf(" %s\n", vc->info_str);
|
| 5070 |
} |
| 5071 |
} |
| 5072 |
|
| 5073 |
#define HD_ALIAS "index=%d,media=disk" |
| 5074 |
#ifdef TARGET_PPC
|
| 5075 |
#define CDROM_ALIAS "index=1,media=cdrom" |
| 5076 |
#else
|
| 5077 |
#define CDROM_ALIAS "index=2,media=cdrom" |
| 5078 |
#endif
|
| 5079 |
#define FD_ALIAS "index=%d,if=floppy" |
| 5080 |
#define PFLASH_ALIAS "if=pflash" |
| 5081 |
#define MTD_ALIAS "if=mtd" |
| 5082 |
#define SD_ALIAS "index=0,if=sd" |
| 5083 |
|
| 5084 |
static int drive_add(const char *file, const char *fmt, ...) |
| 5085 |
{
|
| 5086 |
va_list ap; |
| 5087 |
|
| 5088 |
if (nb_drives_opt >= MAX_DRIVES) {
|
| 5089 |
fprintf(stderr, "qemu: too many drives\n");
|
| 5090 |
exit(1);
|
| 5091 |
} |
| 5092 |
|
| 5093 |
drives_opt[nb_drives_opt].file = file; |
| 5094 |
va_start(ap, fmt); |
| 5095 |
vsnprintf(drives_opt[nb_drives_opt].opt, |
| 5096 |
sizeof(drives_opt[0].opt), fmt, ap); |
| 5097 |
va_end(ap); |
| 5098 |
|
| 5099 |
return nb_drives_opt++;
|
| 5100 |
} |
| 5101 |
|
| 5102 |
int drive_get_index(BlockInterfaceType type, int bus, int unit) |
| 5103 |
{
|
| 5104 |
int index;
|
| 5105 |
|
| 5106 |
/* seek interface, bus and unit */
|
| 5107 |
|
| 5108 |
for (index = 0; index < nb_drives; index++) |
| 5109 |
if (drives_table[index].type == type &&
|
| 5110 |
drives_table[index].bus == bus && |
| 5111 |
drives_table[index].unit == unit) |
| 5112 |
return index;
|
| 5113 |
|
| 5114 |
return -1; |
| 5115 |
} |
| 5116 |
|
| 5117 |
int drive_get_max_bus(BlockInterfaceType type)
|
| 5118 |
{
|
| 5119 |
int max_bus;
|
| 5120 |
int index;
|
| 5121 |
|
| 5122 |
max_bus = -1;
|
| 5123 |
for (index = 0; index < nb_drives; index++) { |
| 5124 |
if(drives_table[index].type == type &&
|
| 5125 |
drives_table[index].bus > max_bus) |
| 5126 |
max_bus = drives_table[index].bus; |
| 5127 |
} |
| 5128 |
return max_bus;
|
| 5129 |
} |
| 5130 |
|
| 5131 |
static void bdrv_format_print(void *opaque, const char *name) |
| 5132 |
{
|
| 5133 |
fprintf(stderr, " %s", name);
|
| 5134 |
} |
| 5135 |
|
| 5136 |
static int drive_init(struct drive_opt *arg, int snapshot, |
| 5137 |
QEMUMachine *machine) |
| 5138 |
{
|
| 5139 |
char buf[128]; |
| 5140 |
char file[1024]; |
| 5141 |
char devname[128]; |
| 5142 |
const char *mediastr = ""; |
| 5143 |
BlockInterfaceType type; |
| 5144 |
enum { MEDIA_DISK, MEDIA_CDROM } media;
|
| 5145 |
int bus_id, unit_id;
|
| 5146 |
int cyls, heads, secs, translation;
|
| 5147 |
BlockDriverState *bdrv; |
| 5148 |
BlockDriver *drv = NULL;
|
| 5149 |
int max_devs;
|
| 5150 |
int index;
|
| 5151 |
int cache;
|
| 5152 |
int bdrv_flags;
|
| 5153 |
char *str = arg->opt;
|
| 5154 |
char *params[] = { "bus", "unit", "if", "index", "cyls", "heads", |
| 5155 |
"secs", "trans", "media", "snapshot", "file", |
| 5156 |
"cache", "format", NULL }; |
| 5157 |
|
| 5158 |
if (check_params(buf, sizeof(buf), params, str) < 0) { |
| 5159 |
fprintf(stderr, "qemu: unknown parameter '%s' in '%s'\n",
|
| 5160 |
buf, str); |
| 5161 |
return -1; |
| 5162 |
} |
| 5163 |
|
| 5164 |
file[0] = 0; |
| 5165 |
cyls = heads = secs = 0;
|
| 5166 |
bus_id = 0;
|
| 5167 |
unit_id = -1;
|
| 5168 |
translation = BIOS_ATA_TRANSLATION_AUTO; |
| 5169 |
index = -1;
|
| 5170 |
cache = 1;
|
| 5171 |
|
| 5172 |
if (!strcmp(machine->name, "realview") || |
| 5173 |
!strcmp(machine->name, "SS-5") ||
|
| 5174 |
!strcmp(machine->name, "SS-10") ||
|
| 5175 |
!strcmp(machine->name, "SS-600MP") ||
|
| 5176 |
!strcmp(machine->name, "versatilepb") ||
|
| 5177 |
!strcmp(machine->name, "versatileab")) {
|
| 5178 |
type = IF_SCSI; |
| 5179 |
max_devs = MAX_SCSI_DEVS; |
| 5180 |
strcpy(devname, "scsi");
|
| 5181 |
} else {
|
| 5182 |
type = IF_IDE; |
| 5183 |
max_devs = MAX_IDE_DEVS; |
| 5184 |
strcpy(devname, "ide");
|
| 5185 |
} |
| 5186 |
media = MEDIA_DISK; |
| 5187 |
|
| 5188 |
/* extract parameters */
|
| 5189 |
|
| 5190 |
if (get_param_value(buf, sizeof(buf), "bus", str)) { |
| 5191 |
bus_id = strtol(buf, NULL, 0); |
| 5192 |
if (bus_id < 0) { |
| 5193 |
fprintf(stderr, "qemu: '%s' invalid bus id\n", str);
|
| 5194 |
return -1; |
| 5195 |
} |
| 5196 |
} |
| 5197 |
|
| 5198 |
if (get_param_value(buf, sizeof(buf), "unit", str)) { |
| 5199 |
unit_id = strtol(buf, NULL, 0); |
| 5200 |
if (unit_id < 0) { |
| 5201 |
fprintf(stderr, "qemu: '%s' invalid unit id\n", str);
|
| 5202 |
return -1; |
| 5203 |
} |
| 5204 |
} |
| 5205 |
|
| 5206 |
if (get_param_value(buf, sizeof(buf), "if", str)) { |
| 5207 |
pstrcpy(devname, sizeof(devname), buf);
|
| 5208 |
if (!strcmp(buf, "ide")) { |
| 5209 |
type = IF_IDE; |
| 5210 |
max_devs = MAX_IDE_DEVS; |
| 5211 |
} else if (!strcmp(buf, "scsi")) { |
| 5212 |
type = IF_SCSI; |
| 5213 |
max_devs = MAX_SCSI_DEVS; |
| 5214 |
} else if (!strcmp(buf, "floppy")) { |
| 5215 |
type = IF_FLOPPY; |
| 5216 |
max_devs = 0;
|
| 5217 |
} else if (!strcmp(buf, "pflash")) { |
| 5218 |
type = IF_PFLASH; |
| 5219 |
max_devs = 0;
|
| 5220 |
} else if (!strcmp(buf, "mtd")) { |
| 5221 |
type = IF_MTD; |
| 5222 |
max_devs = 0;
|
| 5223 |
} else if (!strcmp(buf, "sd")) { |
| 5224 |
type = IF_SD; |
| 5225 |
max_devs = 0;
|
| 5226 |
} else {
|
| 5227 |
fprintf(stderr, "qemu: '%s' unsupported bus type '%s'\n", str, buf);
|
| 5228 |
return -1; |
| 5229 |
} |
| 5230 |
} |
| 5231 |
|
| 5232 |
if (get_param_value(buf, sizeof(buf), "index", str)) { |
| 5233 |
index = strtol(buf, NULL, 0); |
| 5234 |
if (index < 0) { |
| 5235 |
fprintf(stderr, "qemu: '%s' invalid index\n", str);
|
| 5236 |
return -1; |
| 5237 |
} |
| 5238 |
} |
| 5239 |
|
| 5240 |
if (get_param_value(buf, sizeof(buf), "cyls", str)) { |
| 5241 |
cyls = strtol(buf, NULL, 0); |
| 5242 |
} |
| 5243 |
|
| 5244 |
if (get_param_value(buf, sizeof(buf), "heads", str)) { |
| 5245 |
heads = strtol(buf, NULL, 0); |
| 5246 |
} |
| 5247 |
|
| 5248 |
if (get_param_value(buf, sizeof(buf), "secs", str)) { |
| 5249 |
secs = strtol(buf, NULL, 0); |
| 5250 |
} |
| 5251 |
|
| 5252 |
if (cyls || heads || secs) {
|
| 5253 |
if (cyls < 1 || cyls > 16383) { |
| 5254 |
fprintf(stderr, "qemu: '%s' invalid physical cyls number\n", str);
|
| 5255 |
return -1; |
| 5256 |
} |
| 5257 |
if (heads < 1 || heads > 16) { |
| 5258 |
fprintf(stderr, "qemu: '%s' invalid physical heads number\n", str);
|
| 5259 |
return -1; |
| 5260 |
} |
| 5261 |
if (secs < 1 || secs > 63) { |
| 5262 |
fprintf(stderr, "qemu: '%s' invalid physical secs number\n", str);
|
| 5263 |
return -1; |
| 5264 |
} |
| 5265 |
} |
| 5266 |
|
| 5267 |
if (get_param_value(buf, sizeof(buf), "trans", str)) { |
| 5268 |
if (!cyls) {
|
| 5269 |
fprintf(stderr, |
| 5270 |
"qemu: '%s' trans must be used with cyls,heads and secs\n",
|
| 5271 |
str); |
| 5272 |
return -1; |
| 5273 |
} |
| 5274 |
if (!strcmp(buf, "none")) |
| 5275 |
translation = BIOS_ATA_TRANSLATION_NONE; |
| 5276 |
else if (!strcmp(buf, "lba")) |
| 5277 |
translation = BIOS_ATA_TRANSLATION_LBA; |
| 5278 |
else if (!strcmp(buf, "auto")) |
| 5279 |
translation = BIOS_ATA_TRANSLATION_AUTO; |
| 5280 |
else {
|
| 5281 |
fprintf(stderr, "qemu: '%s' invalid translation type\n", str);
|
| 5282 |
return -1; |
| 5283 |
} |
| 5284 |
} |
| 5285 |
|
| 5286 |
if (get_param_value(buf, sizeof(buf), "media", str)) { |
| 5287 |
if (!strcmp(buf, "disk")) { |
| 5288 |
media = MEDIA_DISK; |
| 5289 |
} else if (!strcmp(buf, "cdrom")) { |
| 5290 |
if (cyls || secs || heads) {
|
| 5291 |
fprintf(stderr, |
| 5292 |
"qemu: '%s' invalid physical CHS format\n", str);
|
| 5293 |
return -1; |
| 5294 |
} |
| 5295 |
media = MEDIA_CDROM; |
| 5296 |
} else {
|
| 5297 |
fprintf(stderr, "qemu: '%s' invalid media\n", str);
|
| 5298 |
return -1; |
| 5299 |
} |
| 5300 |
} |
| 5301 |
|
| 5302 |
if (get_param_value(buf, sizeof(buf), "snapshot", str)) { |
| 5303 |
if (!strcmp(buf, "on")) |
| 5304 |
snapshot = 1;
|
| 5305 |
else if (!strcmp(buf, "off")) |
| 5306 |
snapshot = 0;
|
| 5307 |
else {
|
| 5308 |
fprintf(stderr, "qemu: '%s' invalid snapshot option\n", str);
|
| 5309 |
return -1; |
| 5310 |
} |
| 5311 |
} |
| 5312 |
|
| 5313 |
if (get_param_value(buf, sizeof(buf), "cache", str)) { |
| 5314 |
if (!strcmp(buf, "off")) |
| 5315 |
cache = 0;
|
| 5316 |
else if (!strcmp(buf, "on")) |
| 5317 |
cache = 1;
|
| 5318 |
else {
|
| 5319 |
fprintf(stderr, "qemu: invalid cache option\n");
|
| 5320 |
return -1; |
| 5321 |
} |
| 5322 |
} |
| 5323 |
|
| 5324 |
if (get_param_value(buf, sizeof(buf), "format", str)) { |
| 5325 |
if (strcmp(buf, "?") == 0) { |
| 5326 |
fprintf(stderr, "qemu: Supported formats:");
|
| 5327 |
bdrv_iterate_format(bdrv_format_print, NULL);
|
| 5328 |
fprintf(stderr, "\n");
|
| 5329 |
return -1; |
| 5330 |
} |
| 5331 |
drv = bdrv_find_format(buf); |
| 5332 |
if (!drv) {
|
| 5333 |
fprintf(stderr, "qemu: '%s' invalid format\n", buf);
|
| 5334 |
return -1; |
| 5335 |
} |
| 5336 |
} |
| 5337 |
|
| 5338 |
if (arg->file == NULL) |
| 5339 |
get_param_value(file, sizeof(file), "file", str); |
| 5340 |
else
|
| 5341 |
pstrcpy(file, sizeof(file), arg->file);
|
| 5342 |
|
| 5343 |
/* compute bus and unit according index */
|
| 5344 |
|
| 5345 |
if (index != -1) { |
| 5346 |
if (bus_id != 0 || unit_id != -1) { |
| 5347 |
fprintf(stderr, |
| 5348 |
"qemu: '%s' index cannot be used with bus and unit\n", str);
|
| 5349 |
return -1; |
| 5350 |
} |
| 5351 |
if (max_devs == 0) |
| 5352 |
{
|
| 5353 |
unit_id = index; |
| 5354 |
bus_id = 0;
|
| 5355 |
} else {
|
| 5356 |
unit_id = index % max_devs; |
| 5357 |
bus_id = index / max_devs; |
| 5358 |
} |
| 5359 |
} |
| 5360 |
|
| 5361 |
/* if user doesn't specify a unit_id,
|
| 5362 |
* try to find the first free
|
| 5363 |
*/
|
| 5364 |
|
| 5365 |
if (unit_id == -1) { |
| 5366 |
unit_id = 0;
|
| 5367 |
while (drive_get_index(type, bus_id, unit_id) != -1) { |
| 5368 |
unit_id++; |
| 5369 |
if (max_devs && unit_id >= max_devs) {
|
| 5370 |
unit_id -= max_devs; |
| 5371 |
bus_id++; |
| 5372 |
} |
| 5373 |
} |
| 5374 |
} |
| 5375 |
|
| 5376 |
/* check unit id */
|
| 5377 |
|
| 5378 |
if (max_devs && unit_id >= max_devs) {
|
| 5379 |
fprintf(stderr, "qemu: '%s' unit %d too big (max is %d)\n",
|
| 5380 |
str, unit_id, max_devs - 1);
|
| 5381 |
return -1; |
| 5382 |
} |
| 5383 |
|
| 5384 |
/*
|
| 5385 |
* ignore multiple definitions
|
| 5386 |
*/
|
| 5387 |
|
| 5388 |
if (drive_get_index(type, bus_id, unit_id) != -1) |
| 5389 |
return 0; |
| 5390 |
|
| 5391 |
/* init */
|
| 5392 |
|
| 5393 |
if (type == IF_IDE || type == IF_SCSI)
|
| 5394 |
mediastr = (media == MEDIA_CDROM) ? "-cd" : "-hd"; |
| 5395 |
if (max_devs)
|
| 5396 |
snprintf(buf, sizeof(buf), "%s%i%s%i", |
| 5397 |
devname, bus_id, mediastr, unit_id); |
| 5398 |
else
|
| 5399 |
snprintf(buf, sizeof(buf), "%s%s%i", |
| 5400 |
devname, mediastr, unit_id); |
| 5401 |
bdrv = bdrv_new(buf); |
| 5402 |
drives_table[nb_drives].bdrv = bdrv; |
| 5403 |
drives_table[nb_drives].type = type; |
| 5404 |
drives_table[nb_drives].bus = bus_id; |
| 5405 |
drives_table[nb_drives].unit = unit_id; |
| 5406 |
nb_drives++; |
| 5407 |
|
| 5408 |
switch(type) {
|
| 5409 |
case IF_IDE:
|
| 5410 |
case IF_SCSI:
|
| 5411 |
switch(media) {
|
| 5412 |
case MEDIA_DISK:
|
| 5413 |
if (cyls != 0) { |
| 5414 |
bdrv_set_geometry_hint(bdrv, cyls, heads, secs); |
| 5415 |
bdrv_set_translation_hint(bdrv, translation); |
| 5416 |
} |
| 5417 |
break;
|
| 5418 |
case MEDIA_CDROM:
|
| 5419 |
bdrv_set_type_hint(bdrv, BDRV_TYPE_CDROM); |
| 5420 |
break;
|
| 5421 |
} |
| 5422 |
break;
|
| 5423 |
case IF_SD:
|
| 5424 |
/* FIXME: This isn't really a floppy, but it's a reasonable
|
| 5425 |
approximation. */
|
| 5426 |
case IF_FLOPPY:
|
| 5427 |
bdrv_set_type_hint(bdrv, BDRV_TYPE_FLOPPY); |
| 5428 |
break;
|
| 5429 |
case IF_PFLASH:
|
| 5430 |
case IF_MTD:
|
| 5431 |
break;
|
| 5432 |
} |
| 5433 |
if (!file[0]) |
| 5434 |
return 0; |
| 5435 |
bdrv_flags = 0;
|
| 5436 |
if (snapshot)
|
| 5437 |
bdrv_flags |= BDRV_O_SNAPSHOT; |
| 5438 |
if (!cache)
|
| 5439 |
bdrv_flags |= BDRV_O_DIRECT; |
| 5440 |
if (bdrv_open2(bdrv, file, bdrv_flags, drv) < 0 || qemu_key_check(bdrv, file)) { |
| 5441 |
fprintf(stderr, "qemu: could not open disk image %s\n",
|
| 5442 |
file); |
| 5443 |
return -1; |
| 5444 |
} |
| 5445 |
return 0; |
| 5446 |
} |
| 5447 |
|
| 5448 |
/***********************************************************/
|
| 5449 |
/* USB devices */
|
| 5450 |
|
| 5451 |
static USBPort *used_usb_ports;
|
| 5452 |
static USBPort *free_usb_ports;
|
| 5453 |
|
| 5454 |
/* ??? Maybe change this to register a hub to keep track of the topology. */
|
| 5455 |
void qemu_register_usb_port(USBPort *port, void *opaque, int index, |
| 5456 |
usb_attachfn attach) |
| 5457 |
{
|
| 5458 |
port->opaque = opaque; |
| 5459 |
port->index = index; |
| 5460 |
port->attach = attach; |
| 5461 |
port->next = free_usb_ports; |
| 5462 |
free_usb_ports = port; |
| 5463 |
} |
| 5464 |
|
| 5465 |
static int usb_device_add(const char *devname) |
| 5466 |
{
|
| 5467 |
const char *p; |
| 5468 |
USBDevice *dev; |
| 5469 |
USBPort *port; |
| 5470 |
|
| 5471 |
if (!free_usb_ports)
|
| 5472 |
return -1; |
| 5473 |
|
| 5474 |
if (strstart(devname, "host:", &p)) { |
| 5475 |
dev = usb_host_device_open(p); |
| 5476 |
} else if (!strcmp(devname, "mouse")) { |
| 5477 |
dev = usb_mouse_init(); |
| 5478 |
} else if (!strcmp(devname, "tablet")) { |
| 5479 |
dev = usb_tablet_init(); |
| 5480 |
} else if (!strcmp(devname, "keyboard")) { |
| 5481 |
dev = usb_keyboard_init(); |
| 5482 |
} else if (strstart(devname, "disk:", &p)) { |
| 5483 |
dev = usb_msd_init(p); |
| 5484 |
} else if (!strcmp(devname, "wacom-tablet")) { |
| 5485 |
dev = usb_wacom_init(); |
| 5486 |
} else if (strstart(devname, "serial:", &p)) { |
| 5487 |
dev = usb_serial_init(p); |
| 5488 |
#ifdef CONFIG_BRLAPI
|
| 5489 |
} else if (!strcmp(devname, "braille")) { |
| 5490 |
dev = usb_baum_init(); |
| 5491 |
#endif
|
| 5492 |
} else if (strstart(devname, "net:", &p)) { |
| 5493 |
int nicidx = strtoul(p, NULL, 0); |
| 5494 |
|
| 5495 |
if (nicidx >= nb_nics || strcmp(nd_table[nicidx].model, "usb")) |
| 5496 |
return -1; |
| 5497 |
dev = usb_net_init(&nd_table[nicidx]); |
| 5498 |
} else {
|
| 5499 |
return -1; |
| 5500 |
} |
| 5501 |
if (!dev)
|
| 5502 |
return -1; |
| 5503 |
|
| 5504 |
/* Find a USB port to add the device to. */
|
| 5505 |
port = free_usb_ports; |
| 5506 |
if (!port->next) {
|
| 5507 |
USBDevice *hub; |
| 5508 |
|
| 5509 |
/* Create a new hub and chain it on. */
|
| 5510 |
free_usb_ports = NULL;
|
| 5511 |
port->next = used_usb_ports; |
| 5512 |
used_usb_ports = port; |
| 5513 |
|
| 5514 |
hub = usb_hub_init(VM_USB_HUB_SIZE); |
| 5515 |
usb_attach(port, hub); |
| 5516 |
port = free_usb_ports; |
| 5517 |
} |
| 5518 |
|
| 5519 |
free_usb_ports = port->next; |
| 5520 |
port->next = used_usb_ports; |
| 5521 |
used_usb_ports = port; |
| 5522 |
usb_attach(port, dev); |
| 5523 |
return 0; |
| 5524 |
} |
| 5525 |
|
| 5526 |
static int usb_device_del(const char *devname) |
| 5527 |
{
|
| 5528 |
USBPort *port; |
| 5529 |
USBPort **lastp; |
| 5530 |
USBDevice *dev; |
| 5531 |
int bus_num, addr;
|
| 5532 |
const char *p; |
| 5533 |
|
| 5534 |
if (!used_usb_ports)
|
| 5535 |
return -1; |
| 5536 |
|
| 5537 |
p = strchr(devname, '.');
|
| 5538 |
if (!p)
|
| 5539 |
return -1; |
| 5540 |
bus_num = strtoul(devname, NULL, 0); |
| 5541 |
addr = strtoul(p + 1, NULL, 0); |
| 5542 |
if (bus_num != 0) |
| 5543 |
return -1; |
| 5544 |
|
| 5545 |
lastp = &used_usb_ports; |
| 5546 |
port = used_usb_ports; |
| 5547 |
while (port && port->dev->addr != addr) {
|
| 5548 |
lastp = &port->next; |
| 5549 |
port = port->next; |
| 5550 |
} |
| 5551 |
|
| 5552 |
if (!port)
|
| 5553 |
return -1; |
| 5554 |
|
| 5555 |
dev = port->dev; |
| 5556 |
*lastp = port->next; |
| 5557 |
usb_attach(port, NULL);
|
| 5558 |
dev->handle_destroy(dev); |
| 5559 |
port->next = free_usb_ports; |
| 5560 |
free_usb_ports = port; |
| 5561 |
return 0; |
| 5562 |
} |
| 5563 |
|
| 5564 |
void do_usb_add(const char *devname) |
| 5565 |
{
|
| 5566 |
int ret;
|
| 5567 |
ret = usb_device_add(devname); |
| 5568 |
if (ret < 0) |
| 5569 |
term_printf("Could not add USB device '%s'\n", devname);
|
| 5570 |
} |
| 5571 |
|
| 5572 |
void do_usb_del(const char *devname) |
| 5573 |
{
|
| 5574 |
int ret;
|
| 5575 |
ret = usb_device_del(devname); |
| 5576 |
if (ret < 0) |
| 5577 |
term_printf("Could not remove USB device '%s'\n", devname);
|
| 5578 |
} |
| 5579 |
|
| 5580 |
void usb_info(void) |
| 5581 |
{
|
| 5582 |
USBDevice *dev; |
| 5583 |
USBPort *port; |
| 5584 |
const char *speed_str; |
| 5585 |
|
| 5586 |
if (!usb_enabled) {
|
| 5587 |
term_printf("USB support not enabled\n");
|
| 5588 |
return;
|
| 5589 |
} |
| 5590 |
|
| 5591 |
for (port = used_usb_ports; port; port = port->next) {
|
| 5592 |
dev = port->dev; |
| 5593 |
if (!dev)
|
| 5594 |
continue;
|
| 5595 |
switch(dev->speed) {
|
| 5596 |
case USB_SPEED_LOW:
|
| 5597 |
speed_str = "1.5";
|
| 5598 |
break;
|
| 5599 |
case USB_SPEED_FULL:
|
| 5600 |
speed_str = "12";
|
| 5601 |
break;
|
| 5602 |
case USB_SPEED_HIGH:
|
| 5603 |
speed_str = "480";
|
| 5604 |
break;
|
| 5605 |
default:
|
| 5606 |
speed_str = "?";
|
| 5607 |
break;
|
| 5608 |
} |
| 5609 |
term_printf(" Device %d.%d, Speed %s Mb/s, Product %s\n",
|
| 5610 |
0, dev->addr, speed_str, dev->devname);
|
| 5611 |
} |
| 5612 |
} |
| 5613 |
|
| 5614 |
/***********************************************************/
|
| 5615 |
/* PCMCIA/Cardbus */
|
| 5616 |
|
| 5617 |
static struct pcmcia_socket_entry_s { |
| 5618 |
struct pcmcia_socket_s *socket;
|
| 5619 |
struct pcmcia_socket_entry_s *next;
|
| 5620 |
} *pcmcia_sockets = 0;
|
| 5621 |
|
| 5622 |
void pcmcia_socket_register(struct pcmcia_socket_s *socket) |
| 5623 |
{
|
| 5624 |
struct pcmcia_socket_entry_s *entry;
|
| 5625 |
|
| 5626 |
entry = qemu_malloc(sizeof(struct pcmcia_socket_entry_s)); |
| 5627 |
entry->socket = socket; |
| 5628 |
entry->next = pcmcia_sockets; |
| 5629 |
pcmcia_sockets = entry; |
| 5630 |
} |
| 5631 |
|
| 5632 |
void pcmcia_socket_unregister(struct pcmcia_socket_s *socket) |
| 5633 |
{
|
| 5634 |
struct pcmcia_socket_entry_s *entry, **ptr;
|
| 5635 |
|
| 5636 |
ptr = &pcmcia_sockets; |
| 5637 |
for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
|
| 5638 |
if (entry->socket == socket) {
|
| 5639 |
*ptr = entry->next; |
| 5640 |
qemu_free(entry); |
| 5641 |
} |
| 5642 |
} |
| 5643 |
|
| 5644 |
void pcmcia_info(void) |
| 5645 |
{
|
| 5646 |
struct pcmcia_socket_entry_s *iter;
|
| 5647 |
if (!pcmcia_sockets)
|
| 5648 |
term_printf("No PCMCIA sockets\n");
|
| 5649 |
|
| 5650 |
for (iter = pcmcia_sockets; iter; iter = iter->next)
|
| 5651 |
term_printf("%s: %s\n", iter->socket->slot_string,
|
| 5652 |
iter->socket->attached ? iter->socket->card_string : |
| 5653 |
"Empty");
|
| 5654 |
} |
| 5655 |
|
| 5656 |
/***********************************************************/
|
| 5657 |
/* dumb display */
|
| 5658 |
|
| 5659 |
static void dumb_update(DisplayState *ds, int x, int y, int w, int h) |
| 5660 |
{
|
| 5661 |
} |
| 5662 |
|
| 5663 |
static void dumb_resize(DisplayState *ds, int w, int h) |
| 5664 |
{
|
| 5665 |
} |
| 5666 |
|
| 5667 |
static void dumb_refresh(DisplayState *ds) |
| 5668 |
{
|
| 5669 |
#if defined(CONFIG_SDL)
|
| 5670 |
vga_hw_update(); |
| 5671 |
#endif
|
| 5672 |
} |
| 5673 |
|
| 5674 |
static void dumb_display_init(DisplayState *ds) |
| 5675 |
{
|
| 5676 |
ds->data = NULL;
|
| 5677 |
ds->linesize = 0;
|
| 5678 |
ds->depth = 0;
|
| 5679 |
ds->dpy_update = dumb_update; |
| 5680 |
ds->dpy_resize = dumb_resize; |
| 5681 |
ds->dpy_refresh = dumb_refresh; |
| 5682 |
} |
| 5683 |
|
| 5684 |
/***********************************************************/
|
| 5685 |
/* I/O handling */
|
| 5686 |
|
| 5687 |
#define MAX_IO_HANDLERS 64 |
| 5688 |
|
| 5689 |
typedef struct IOHandlerRecord { |
| 5690 |
int fd;
|
| 5691 |
IOCanRWHandler *fd_read_poll; |
| 5692 |
IOHandler *fd_read; |
| 5693 |
IOHandler *fd_write; |
| 5694 |
int deleted;
|
| 5695 |
void *opaque;
|
| 5696 |
/* temporary data */
|
| 5697 |
struct pollfd *ufd;
|
| 5698 |
struct IOHandlerRecord *next;
|
| 5699 |
} IOHandlerRecord; |
| 5700 |
|
| 5701 |
static IOHandlerRecord *first_io_handler;
|
| 5702 |
|
| 5703 |
/* XXX: fd_read_poll should be suppressed, but an API change is
|
| 5704 |
necessary in the character devices to suppress fd_can_read(). */
|
| 5705 |
int qemu_set_fd_handler2(int fd, |
| 5706 |
IOCanRWHandler *fd_read_poll, |
| 5707 |
IOHandler *fd_read, |
| 5708 |
IOHandler *fd_write, |
| 5709 |
void *opaque)
|
| 5710 |
{
|
| 5711 |
IOHandlerRecord **pioh, *ioh; |
| 5712 |
|
| 5713 |
if (!fd_read && !fd_write) {
|
| 5714 |
pioh = &first_io_handler; |
| 5715 |
for(;;) {
|
| 5716 |
ioh = *pioh; |
| 5717 |
if (ioh == NULL) |
| 5718 |
break;
|
| 5719 |
if (ioh->fd == fd) {
|
| 5720 |
ioh->deleted = 1;
|
| 5721 |
break;
|
| 5722 |
} |
| 5723 |
pioh = &ioh->next; |
| 5724 |
} |
| 5725 |
} else {
|
| 5726 |
for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) { |
| 5727 |
if (ioh->fd == fd)
|
| 5728 |
goto found;
|
| 5729 |
} |
| 5730 |
ioh = qemu_mallocz(sizeof(IOHandlerRecord));
|
| 5731 |
if (!ioh)
|
| 5732 |
return -1; |
| 5733 |
ioh->next = first_io_handler; |
| 5734 |
first_io_handler = ioh; |
| 5735 |
found:
|
| 5736 |
ioh->fd = fd; |
| 5737 |
ioh->fd_read_poll = fd_read_poll; |
| 5738 |
ioh->fd_read = fd_read; |
| 5739 |
ioh->fd_write = fd_write; |
| 5740 |
ioh->opaque = opaque; |
| 5741 |
ioh->deleted = 0;
|
| 5742 |
} |
| 5743 |
return 0; |
| 5744 |
} |
| 5745 |
|
| 5746 |
int qemu_set_fd_handler(int fd, |
| 5747 |
IOHandler *fd_read, |
| 5748 |
IOHandler *fd_write, |
| 5749 |
void *opaque)
|
| 5750 |
{
|
| 5751 |
return qemu_set_fd_handler2(fd, NULL, fd_read, fd_write, opaque); |
| 5752 |
} |
| 5753 |
|
| 5754 |
/***********************************************************/
|
| 5755 |
/* Polling handling */
|
| 5756 |
|
| 5757 |
typedef struct PollingEntry { |
| 5758 |
PollingFunc *func; |
| 5759 |
void *opaque;
|
| 5760 |
struct PollingEntry *next;
|
| 5761 |
} PollingEntry; |
| 5762 |
|
| 5763 |
static PollingEntry *first_polling_entry;
|
| 5764 |
|
| 5765 |
int qemu_add_polling_cb(PollingFunc *func, void *opaque) |
| 5766 |
{
|
| 5767 |
PollingEntry **ppe, *pe; |
| 5768 |
pe = qemu_mallocz(sizeof(PollingEntry));
|
| 5769 |
if (!pe)
|
| 5770 |
return -1; |
| 5771 |
pe->func = func; |
| 5772 |
pe->opaque = opaque; |
| 5773 |
for(ppe = &first_polling_entry; *ppe != NULL; ppe = &(*ppe)->next); |
| 5774 |
*ppe = pe; |
| 5775 |
return 0; |
| 5776 |
} |
| 5777 |
|
| 5778 |
void qemu_del_polling_cb(PollingFunc *func, void *opaque) |
| 5779 |
{
|
| 5780 |
PollingEntry **ppe, *pe; |
| 5781 |
for(ppe = &first_polling_entry; *ppe != NULL; ppe = &(*ppe)->next) { |
| 5782 |
pe = *ppe; |
| 5783 |
if (pe->func == func && pe->opaque == opaque) {
|
| 5784 |
*ppe = pe->next; |
| 5785 |
qemu_free(pe); |
| 5786 |
break;
|
| 5787 |
} |
| 5788 |
} |
| 5789 |
} |
| 5790 |
|
| 5791 |
#ifdef _WIN32
|
| 5792 |
/***********************************************************/
|
| 5793 |
/* Wait objects support */
|
| 5794 |
typedef struct WaitObjects { |
| 5795 |
int num;
|
| 5796 |
HANDLE events[MAXIMUM_WAIT_OBJECTS + 1];
|
| 5797 |
WaitObjectFunc *func[MAXIMUM_WAIT_OBJECTS + 1];
|
| 5798 |
void *opaque[MAXIMUM_WAIT_OBJECTS + 1]; |
| 5799 |
} WaitObjects; |
| 5800 |
|
| 5801 |
static WaitObjects wait_objects = {0}; |
| 5802 |
|
| 5803 |
int qemu_add_wait_object(HANDLE handle, WaitObjectFunc *func, void *opaque) |
| 5804 |
{
|
| 5805 |
WaitObjects *w = &wait_objects; |
| 5806 |
|
| 5807 |
if (w->num >= MAXIMUM_WAIT_OBJECTS)
|
| 5808 |
return -1; |
| 5809 |
w->events[w->num] = handle; |
| 5810 |
w->func[w->num] = func; |
| 5811 |
w->opaque[w->num] = opaque; |
| 5812 |
w->num++; |
| 5813 |
return 0; |
| 5814 |
} |
| 5815 |
|
| 5816 |
void qemu_del_wait_object(HANDLE handle, WaitObjectFunc *func, void *opaque) |
| 5817 |
{
|
| 5818 |
int i, found;
|
| 5819 |
WaitObjects *w = &wait_objects; |
| 5820 |
|
| 5821 |
found = 0;
|
| 5822 |
for (i = 0; i < w->num; i++) { |
| 5823 |
if (w->events[i] == handle)
|
| 5824 |
found = 1;
|
| 5825 |
if (found) {
|
| 5826 |
w->events[i] = w->events[i + 1];
|
| 5827 |
w->func[i] = w->func[i + 1];
|
| 5828 |
w->opaque[i] = w->opaque[i + 1];
|
| 5829 |
} |
| 5830 |
} |
| 5831 |
if (found)
|
| 5832 |
w->num--; |
| 5833 |
} |
| 5834 |
#endif
|
| 5835 |
|
| 5836 |
/***********************************************************/
|
| 5837 |
/* savevm/loadvm support */
|
| 5838 |
|
| 5839 |
#define IO_BUF_SIZE 32768 |
| 5840 |
|
| 5841 |
struct QEMUFile {
|
| 5842 |
FILE *outfile; |
| 5843 |
BlockDriverState *bs; |
| 5844 |
int is_file;
|
| 5845 |
int is_writable;
|
| 5846 |
int64_t base_offset; |
| 5847 |
int64_t buf_offset; /* start of buffer when writing, end of buffer
|
| 5848 |
when reading */
|
| 5849 |
int buf_index;
|
| 5850 |
int buf_size; /* 0 when writing */ |
| 5851 |
uint8_t buf[IO_BUF_SIZE]; |
| 5852 |
}; |
| 5853 |
|
| 5854 |
QEMUFile *qemu_fopen(const char *filename, const char *mode) |
| 5855 |
{
|
| 5856 |
QEMUFile *f; |
| 5857 |
|
| 5858 |
f = qemu_mallocz(sizeof(QEMUFile));
|
| 5859 |
if (!f)
|
| 5860 |
return NULL; |
| 5861 |
if (!strcmp(mode, "wb")) { |
| 5862 |
f->is_writable = 1;
|
| 5863 |
} else if (!strcmp(mode, "rb")) { |
| 5864 |
f->is_writable = 0;
|
| 5865 |
} else {
|
| 5866 |
goto fail;
|
| 5867 |
} |
| 5868 |
f->outfile = fopen(filename, mode); |
| 5869 |
if (!f->outfile)
|
| 5870 |
goto fail;
|
| 5871 |
f->is_file = 1;
|
| 5872 |
return f;
|
| 5873 |
fail:
|
| 5874 |
if (f->outfile)
|
| 5875 |
fclose(f->outfile); |
| 5876 |
qemu_free(f); |
| 5877 |
return NULL; |
| 5878 |
} |
| 5879 |
|
| 5880 |
static QEMUFile *qemu_fopen_bdrv(BlockDriverState *bs, int64_t offset, int is_writable) |
| 5881 |
{
|
| 5882 |
QEMUFile *f; |
| 5883 |
|
| 5884 |
f = qemu_mallocz(sizeof(QEMUFile));
|
| 5885 |
if (!f)
|
| 5886 |
return NULL; |
| 5887 |
f->is_file = 0;
|
| 5888 |
f->bs = bs; |
| 5889 |
f->is_writable = is_writable; |
| 5890 |
f->base_offset = offset; |
| 5891 |
return f;
|
| 5892 |
} |
| 5893 |
|
| 5894 |
void qemu_fflush(QEMUFile *f)
|
| 5895 |
{
|
| 5896 |
if (!f->is_writable)
|
| 5897 |
return;
|
| 5898 |
if (f->buf_index > 0) { |
| 5899 |
if (f->is_file) {
|
| 5900 |
fseek(f->outfile, f->buf_offset, SEEK_SET); |
| 5901 |
fwrite(f->buf, 1, f->buf_index, f->outfile);
|
| 5902 |
} else {
|
| 5903 |
bdrv_pwrite(f->bs, f->base_offset + f->buf_offset, |
| 5904 |
f->buf, f->buf_index); |
| 5905 |
} |
| 5906 |
f->buf_offset += f->buf_index; |
| 5907 |
f->buf_index = 0;
|
| 5908 |
} |
| 5909 |
} |
| 5910 |
|
| 5911 |
static void qemu_fill_buffer(QEMUFile *f) |
| 5912 |
{
|
| 5913 |
int len;
|
| 5914 |
|
| 5915 |
if (f->is_writable)
|
| 5916 |
return;
|
| 5917 |
if (f->is_file) {
|
| 5918 |
fseek(f->outfile, f->buf_offset, SEEK_SET); |
| 5919 |
len = fread(f->buf, 1, IO_BUF_SIZE, f->outfile);
|
| 5920 |
if (len < 0) |
| 5921 |
len = 0;
|
| 5922 |
} else {
|
| 5923 |
len = bdrv_pread(f->bs, f->base_offset + f->buf_offset, |
| 5924 |
f->buf, IO_BUF_SIZE); |
| 5925 |
if (len < 0) |
| 5926 |
len = 0;
|
| 5927 |
} |
| 5928 |
f->buf_index = 0;
|
| 5929 |
f->buf_size = len; |
| 5930 |
f->buf_offset += len; |
| 5931 |
} |
| 5932 |
|
| 5933 |
void qemu_fclose(QEMUFile *f)
|
| 5934 |
{
|
| 5935 |
if (f->is_writable)
|
| 5936 |
qemu_fflush(f); |
| 5937 |
if (f->is_file) {
|
| 5938 |
fclose(f->outfile); |
| 5939 |
} |
| 5940 |
qemu_free(f); |
| 5941 |
} |
| 5942 |
|
| 5943 |
void qemu_put_buffer(QEMUFile *f, const uint8_t *buf, int size) |
| 5944 |
{
|
| 5945 |
int l;
|
| 5946 |
while (size > 0) { |
| 5947 |
l = IO_BUF_SIZE - f->buf_index; |
| 5948 |
if (l > size)
|
| 5949 |
l = size; |
| 5950 |
memcpy(f->buf + f->buf_index, buf, l); |
| 5951 |
f->buf_index += l; |
| 5952 |
buf += l; |
| 5953 |
size -= l; |
| 5954 |
if (f->buf_index >= IO_BUF_SIZE)
|
| 5955 |
qemu_fflush(f); |
| 5956 |
} |
| 5957 |
} |
| 5958 |
|
| 5959 |
void qemu_put_byte(QEMUFile *f, int v) |
| 5960 |
{
|
| 5961 |
f->buf[f->buf_index++] = v; |
| 5962 |
if (f->buf_index >= IO_BUF_SIZE)
|
| 5963 |
qemu_fflush(f); |
| 5964 |
} |
| 5965 |
|
| 5966 |
int qemu_get_buffer(QEMUFile *f, uint8_t *buf, int size1) |
| 5967 |
{
|
| 5968 |
int size, l;
|
| 5969 |
|
| 5970 |
size = size1; |
| 5971 |
while (size > 0) { |
| 5972 |
l = f->buf_size - f->buf_index; |
| 5973 |
if (l == 0) { |
| 5974 |
qemu_fill_buffer(f); |
| 5975 |
l = f->buf_size - f->buf_index; |
| 5976 |
if (l == 0) |
| 5977 |
break;
|
| 5978 |
} |
| 5979 |
if (l > size)
|
| 5980 |
l = size; |
| 5981 |
memcpy(buf, f->buf + f->buf_index, l); |
| 5982 |
f->buf_index += l; |
| 5983 |
buf += l; |
| 5984 |
size -= l; |
| 5985 |
} |
| 5986 |
return size1 - size;
|
| 5987 |
} |
| 5988 |
|
| 5989 |
int qemu_get_byte(QEMUFile *f)
|
| 5990 |
{
|
| 5991 |
if (f->buf_index >= f->buf_size) {
|
| 5992 |
qemu_fill_buffer(f); |
| 5993 |
if (f->buf_index >= f->buf_size)
|
| 5994 |
return 0; |
| 5995 |
} |
| 5996 |
return f->buf[f->buf_index++];
|
| 5997 |
} |
| 5998 |
|
| 5999 |
int64_t qemu_ftell(QEMUFile *f) |
| 6000 |
{
|
| 6001 |
return f->buf_offset - f->buf_size + f->buf_index;
|
| 6002 |
} |
| 6003 |
|
| 6004 |
int64_t qemu_fseek(QEMUFile *f, int64_t pos, int whence)
|
| 6005 |
{
|
| 6006 |
if (whence == SEEK_SET) {
|
| 6007 |
/* nothing to do */
|
| 6008 |
} else if (whence == SEEK_CUR) { |
| 6009 |
pos += qemu_ftell(f); |
| 6010 |
} else {
|
| 6011 |
/* SEEK_END not supported */
|
| 6012 |
return -1; |
| 6013 |
} |
| 6014 |
if (f->is_writable) {
|
| 6015 |
qemu_fflush(f); |
| 6016 |
f->buf_offset = pos; |
| 6017 |
} else {
|
| 6018 |
f->buf_offset = pos; |
| 6019 |
f->buf_index = 0;
|
| 6020 |
f->buf_size = 0;
|
| 6021 |
} |
| 6022 |
return pos;
|
| 6023 |
} |
| 6024 |
|
| 6025 |
void qemu_put_be16(QEMUFile *f, unsigned int v) |
| 6026 |
{
|
| 6027 |
qemu_put_byte(f, v >> 8);
|
| 6028 |
qemu_put_byte(f, v); |
| 6029 |
} |
| 6030 |
|
| 6031 |
void qemu_put_be32(QEMUFile *f, unsigned int v) |
| 6032 |
{
|
| 6033 |
qemu_put_byte(f, v >> 24);
|
| 6034 |
qemu_put_byte(f, v >> 16);
|
| 6035 |
qemu_put_byte(f, v >> 8);
|
| 6036 |
qemu_put_byte(f, v); |
| 6037 |
} |
| 6038 |
|
| 6039 |
void qemu_put_be64(QEMUFile *f, uint64_t v)
|
| 6040 |
{
|
| 6041 |
qemu_put_be32(f, v >> 32);
|
| 6042 |
qemu_put_be32(f, v); |
| 6043 |
} |
| 6044 |
|
| 6045 |
unsigned int qemu_get_be16(QEMUFile *f) |
| 6046 |
{
|
| 6047 |
unsigned int v; |
| 6048 |
v = qemu_get_byte(f) << 8;
|
| 6049 |
v |= qemu_get_byte(f); |
| 6050 |
return v;
|
| 6051 |
} |
| 6052 |
|
| 6053 |
unsigned int qemu_get_be32(QEMUFile *f) |
| 6054 |
{
|
| 6055 |
unsigned int v; |
| 6056 |
v = qemu_get_byte(f) << 24;
|
| 6057 |
v |= qemu_get_byte(f) << 16;
|
| 6058 |
v |= qemu_get_byte(f) << 8;
|
| 6059 |
v |= qemu_get_byte(f); |
| 6060 |
return v;
|
| 6061 |
} |
| 6062 |
|
| 6063 |
uint64_t qemu_get_be64(QEMUFile *f) |
| 6064 |
{
|
| 6065 |
uint64_t v; |
| 6066 |
v = (uint64_t)qemu_get_be32(f) << 32;
|
| 6067 |
v |= qemu_get_be32(f); |
| 6068 |
return v;
|
| 6069 |
} |
| 6070 |
|
| 6071 |
typedef struct SaveStateEntry { |
| 6072 |
char idstr[256]; |
| 6073 |
int instance_id;
|
| 6074 |
int version_id;
|
| 6075 |
SaveStateHandler *save_state; |
| 6076 |
LoadStateHandler *load_state; |
| 6077 |
void *opaque;
|
| 6078 |
struct SaveStateEntry *next;
|
| 6079 |
} SaveStateEntry; |
| 6080 |
|
| 6081 |
static SaveStateEntry *first_se;
|
| 6082 |
|
| 6083 |
/* TODO: Individual devices generally have very little idea about the rest
|
| 6084 |
of the system, so instance_id should be removed/replaced.
|
| 6085 |
Meanwhile pass -1 as instance_id if you do not already have a clearly
|
| 6086 |
distinguishing id for all instances of your device class. */
|
| 6087 |
int register_savevm(const char *idstr, |
| 6088 |
int instance_id,
|
| 6089 |
int version_id,
|
| 6090 |
SaveStateHandler *save_state, |
| 6091 |
LoadStateHandler *load_state, |
| 6092 |
void *opaque)
|
| 6093 |
{
|
| 6094 |
SaveStateEntry *se, **pse; |
| 6095 |
|
| 6096 |
se = qemu_malloc(sizeof(SaveStateEntry));
|
| 6097 |
if (!se)
|
| 6098 |
return -1; |
| 6099 |
pstrcpy(se->idstr, sizeof(se->idstr), idstr);
|
| 6100 |
se->instance_id = (instance_id == -1) ? 0 : instance_id; |
| 6101 |
se->version_id = version_id; |
| 6102 |
se->save_state = save_state; |
| 6103 |
se->load_state = load_state; |
| 6104 |
se->opaque = opaque; |
| 6105 |
se->next = NULL;
|
| 6106 |
|
| 6107 |
/* add at the end of list */
|
| 6108 |
pse = &first_se; |
| 6109 |
while (*pse != NULL) { |
| 6110 |
if (instance_id == -1 |
| 6111 |
&& strcmp(se->idstr, (*pse)->idstr) == 0
|
| 6112 |
&& se->instance_id <= (*pse)->instance_id) |
| 6113 |
se->instance_id = (*pse)->instance_id + 1;
|
| 6114 |
pse = &(*pse)->next; |
| 6115 |
} |
| 6116 |
*pse = se; |
| 6117 |
return 0; |
| 6118 |
} |
| 6119 |
|
| 6120 |
#define QEMU_VM_FILE_MAGIC 0x5145564d |
| 6121 |
#define QEMU_VM_FILE_VERSION 0x00000002 |
| 6122 |
|
| 6123 |
static int qemu_savevm_state(QEMUFile *f) |
| 6124 |
{
|
| 6125 |
SaveStateEntry *se; |
| 6126 |
int len, ret;
|
| 6127 |
int64_t cur_pos, len_pos, total_len_pos; |
| 6128 |
|
| 6129 |
qemu_put_be32(f, QEMU_VM_FILE_MAGIC); |
| 6130 |
qemu_put_be32(f, QEMU_VM_FILE_VERSION); |
| 6131 |
total_len_pos = qemu_ftell(f); |
| 6132 |
qemu_put_be64(f, 0); /* total size */ |
| 6133 |
|
| 6134 |
for(se = first_se; se != NULL; se = se->next) { |
| 6135 |
if (se->save_state == NULL) |
| 6136 |
/* this one has a loader only, for backwards compatibility */
|
| 6137 |
continue;
|
| 6138 |
|
| 6139 |
/* ID string */
|
| 6140 |
len = strlen(se->idstr); |
| 6141 |
qemu_put_byte(f, len); |
| 6142 |
qemu_put_buffer(f, (uint8_t *)se->idstr, len); |
| 6143 |
|
| 6144 |
qemu_put_be32(f, se->instance_id); |
| 6145 |
qemu_put_be32(f, se->version_id); |
| 6146 |
|
| 6147 |
/* record size: filled later */
|
| 6148 |
len_pos = qemu_ftell(f); |
| 6149 |
qemu_put_be32(f, 0);
|
| 6150 |
se->save_state(f, se->opaque); |
| 6151 |
|
| 6152 |
/* fill record size */
|
| 6153 |
cur_pos = qemu_ftell(f); |
| 6154 |
len = cur_pos - len_pos - 4;
|
| 6155 |
qemu_fseek(f, len_pos, SEEK_SET); |
| 6156 |
qemu_put_be32(f, len); |
| 6157 |
qemu_fseek(f, cur_pos, SEEK_SET); |
| 6158 |
} |
| 6159 |
cur_pos = qemu_ftell(f); |
| 6160 |
qemu_fseek(f, total_len_pos, SEEK_SET); |
| 6161 |
qemu_put_be64(f, cur_pos - total_len_pos - 8);
|
| 6162 |
qemu_fseek(f, cur_pos, SEEK_SET); |
| 6163 |
|
| 6164 |
ret = 0;
|
| 6165 |
return ret;
|
| 6166 |
} |
| 6167 |
|
| 6168 |
static SaveStateEntry *find_se(const char *idstr, int instance_id) |
| 6169 |
{
|
| 6170 |
SaveStateEntry *se; |
| 6171 |
|
| 6172 |
for(se = first_se; se != NULL; se = se->next) { |
| 6173 |
if (!strcmp(se->idstr, idstr) &&
|
| 6174 |
instance_id == se->instance_id) |
| 6175 |
return se;
|
| 6176 |
} |
| 6177 |
return NULL; |
| 6178 |
} |
| 6179 |
|
| 6180 |
static int qemu_loadvm_state(QEMUFile *f) |
| 6181 |
{
|
| 6182 |
SaveStateEntry *se; |
| 6183 |
int len, ret, instance_id, record_len, version_id;
|
| 6184 |
int64_t total_len, end_pos, cur_pos; |
| 6185 |
unsigned int v; |
| 6186 |
char idstr[256]; |
| 6187 |
|
| 6188 |
v = qemu_get_be32(f); |
| 6189 |
if (v != QEMU_VM_FILE_MAGIC)
|
| 6190 |
goto fail;
|
| 6191 |
v = qemu_get_be32(f); |
| 6192 |
if (v != QEMU_VM_FILE_VERSION) {
|
| 6193 |
fail:
|
| 6194 |
ret = -1;
|
| 6195 |
goto the_end;
|
| 6196 |
} |
| 6197 |
total_len = qemu_get_be64(f); |
| 6198 |
end_pos = total_len + qemu_ftell(f); |
| 6199 |
for(;;) {
|
| 6200 |
if (qemu_ftell(f) >= end_pos)
|
| 6201 |
break;
|
| 6202 |
len = qemu_get_byte(f); |
| 6203 |
qemu_get_buffer(f, (uint8_t *)idstr, len); |
| 6204 |
idstr[len] = '\0';
|
| 6205 |
instance_id = qemu_get_be32(f); |
| 6206 |
version_id = qemu_get_be32(f); |
| 6207 |
record_len = qemu_get_be32(f); |
| 6208 |
#if 0
|
| 6209 |
printf("idstr=%s instance=0x%x version=%d len=%d\n",
|
| 6210 |
idstr, instance_id, version_id, record_len);
|
| 6211 |
#endif
|
| 6212 |
cur_pos = qemu_ftell(f); |
| 6213 |
se = find_se(idstr, instance_id); |
| 6214 |
if (!se) {
|
| 6215 |
fprintf(stderr, "qemu: warning: instance 0x%x of device '%s' not present in current VM\n",
|
| 6216 |
instance_id, idstr); |
| 6217 |
} else {
|
| 6218 |
ret = se->load_state(f, se->opaque, version_id); |
| 6219 |
if (ret < 0) { |
| 6220 |
fprintf(stderr, "qemu: warning: error while loading state for instance 0x%x of device '%s'\n",
|
| 6221 |
instance_id, idstr); |
| 6222 |
} |
| 6223 |
} |
| 6224 |
/* always seek to exact end of record */
|
| 6225 |
qemu_fseek(f, cur_pos + record_len, SEEK_SET); |
| 6226 |
} |
| 6227 |
ret = 0;
|
| 6228 |
the_end:
|
| 6229 |
return ret;
|
| 6230 |
} |
| 6231 |
|
| 6232 |
/* device can contain snapshots */
|
| 6233 |
static int bdrv_can_snapshot(BlockDriverState *bs) |
| 6234 |
{
|
| 6235 |
return (bs &&
|
| 6236 |
!bdrv_is_removable(bs) && |
| 6237 |
!bdrv_is_read_only(bs)); |
| 6238 |
} |
| 6239 |
|
| 6240 |
/* device must be snapshots in order to have a reliable snapshot */
|
| 6241 |
static int bdrv_has_snapshot(BlockDriverState *bs) |
| 6242 |
{
|
| 6243 |
return (bs &&
|
| 6244 |
!bdrv_is_removable(bs) && |
| 6245 |
!bdrv_is_read_only(bs)); |
| 6246 |
} |
| 6247 |
|
| 6248 |
static BlockDriverState *get_bs_snapshots(void) |
| 6249 |
{
|
| 6250 |
BlockDriverState *bs; |
| 6251 |
int i;
|
| 6252 |
|
| 6253 |
if (bs_snapshots)
|
| 6254 |
return bs_snapshots;
|
| 6255 |
for(i = 0; i <= nb_drives; i++) { |
| 6256 |
bs = drives_table[i].bdrv; |
| 6257 |
if (bdrv_can_snapshot(bs))
|
| 6258 |
goto ok;
|
| 6259 |
} |
| 6260 |
return NULL; |
| 6261 |
ok:
|
| 6262 |
bs_snapshots = bs; |
| 6263 |
return bs;
|
| 6264 |
} |
| 6265 |
|
| 6266 |
static int bdrv_snapshot_find(BlockDriverState *bs, QEMUSnapshotInfo *sn_info, |
| 6267 |
const char *name) |
| 6268 |
{
|
| 6269 |
QEMUSnapshotInfo *sn_tab, *sn; |
| 6270 |
int nb_sns, i, ret;
|
| 6271 |
|
| 6272 |
ret = -ENOENT; |
| 6273 |
nb_sns = bdrv_snapshot_list(bs, &sn_tab); |
| 6274 |
if (nb_sns < 0) |
| 6275 |
return ret;
|
| 6276 |
for(i = 0; i < nb_sns; i++) { |
| 6277 |
sn = &sn_tab[i]; |
| 6278 |
if (!strcmp(sn->id_str, name) || !strcmp(sn->name, name)) {
|
| 6279 |
*sn_info = *sn; |
| 6280 |
ret = 0;
|
| 6281 |
break;
|
| 6282 |
} |
| 6283 |
} |
| 6284 |
qemu_free(sn_tab); |
| 6285 |
return ret;
|
| 6286 |
} |
| 6287 |
|
| 6288 |
void do_savevm(const char *name) |
| 6289 |
{
|
| 6290 |
BlockDriverState *bs, *bs1; |
| 6291 |
QEMUSnapshotInfo sn1, *sn = &sn1, old_sn1, *old_sn = &old_sn1; |
| 6292 |
int must_delete, ret, i;
|
| 6293 |
BlockDriverInfo bdi1, *bdi = &bdi1; |
| 6294 |
QEMUFile *f; |
| 6295 |
int saved_vm_running;
|
| 6296 |
#ifdef _WIN32
|
| 6297 |
struct _timeb tb;
|
| 6298 |
#else
|
| 6299 |
struct timeval tv;
|
| 6300 |
#endif
|
| 6301 |
|
| 6302 |
bs = get_bs_snapshots(); |
| 6303 |
if (!bs) {
|
| 6304 |
term_printf("No block device can accept snapshots\n");
|
| 6305 |
return;
|
| 6306 |
} |
| 6307 |
|
| 6308 |
/* ??? Should this occur after vm_stop? */
|
| 6309 |
qemu_aio_flush(); |
| 6310 |
|
| 6311 |
saved_vm_running = vm_running; |
| 6312 |
vm_stop(0);
|
| 6313 |
|
| 6314 |
must_delete = 0;
|
| 6315 |
if (name) {
|
| 6316 |
ret = bdrv_snapshot_find(bs, old_sn, name); |
| 6317 |
if (ret >= 0) { |
| 6318 |
must_delete = 1;
|
| 6319 |
} |
| 6320 |
} |
| 6321 |
memset(sn, 0, sizeof(*sn)); |
| 6322 |
if (must_delete) {
|
| 6323 |
pstrcpy(sn->name, sizeof(sn->name), old_sn->name);
|
| 6324 |
pstrcpy(sn->id_str, sizeof(sn->id_str), old_sn->id_str);
|
| 6325 |
} else {
|
| 6326 |
if (name)
|
| 6327 |
pstrcpy(sn->name, sizeof(sn->name), name);
|
| 6328 |
} |
| 6329 |
|
| 6330 |
/* fill auxiliary fields */
|
| 6331 |
#ifdef _WIN32
|
| 6332 |
_ftime(&tb); |
| 6333 |
sn->date_sec = tb.time; |
| 6334 |
sn->date_nsec = tb.millitm * 1000000;
|
| 6335 |
#else
|
| 6336 |
gettimeofday(&tv, NULL);
|
| 6337 |
sn->date_sec = tv.tv_sec; |
| 6338 |
sn->date_nsec = tv.tv_usec * 1000;
|
| 6339 |
#endif
|
| 6340 |
sn->vm_clock_nsec = qemu_get_clock(vm_clock); |
| 6341 |
|
| 6342 |
if (bdrv_get_info(bs, bdi) < 0 || bdi->vm_state_offset <= 0) { |
| 6343 |
term_printf("Device %s does not support VM state snapshots\n",
|
| 6344 |
bdrv_get_device_name(bs)); |
| 6345 |
goto the_end;
|
| 6346 |
} |
| 6347 |
|
| 6348 |
/* save the VM state */
|
| 6349 |
f = qemu_fopen_bdrv(bs, bdi->vm_state_offset, 1);
|
| 6350 |
if (!f) {
|
| 6351 |
term_printf("Could not open VM state file\n");
|
| 6352 |
goto the_end;
|
| 6353 |
} |
| 6354 |
ret = qemu_savevm_state(f); |
| 6355 |
sn->vm_state_size = qemu_ftell(f); |
| 6356 |
qemu_fclose(f); |
| 6357 |
if (ret < 0) { |
| 6358 |
term_printf("Error %d while writing VM\n", ret);
|
| 6359 |
goto the_end;
|
| 6360 |
} |
| 6361 |
|
| 6362 |
/* create the snapshots */
|
| 6363 |
|
| 6364 |
for(i = 0; i < nb_drives; i++) { |
| 6365 |
bs1 = drives_table[i].bdrv; |
| 6366 |
if (bdrv_has_snapshot(bs1)) {
|
| 6367 |
if (must_delete) {
|
| 6368 |
ret = bdrv_snapshot_delete(bs1, old_sn->id_str); |
| 6369 |
if (ret < 0) { |
| 6370 |
term_printf("Error while deleting snapshot on '%s'\n",
|
| 6371 |
bdrv_get_device_name(bs1)); |
| 6372 |
} |
| 6373 |
} |
| 6374 |
ret = bdrv_snapshot_create(bs1, sn); |
| 6375 |
if (ret < 0) { |
| 6376 |
term_printf("Error while creating snapshot on '%s'\n",
|
| 6377 |
bdrv_get_device_name(bs1)); |
| 6378 |
} |
| 6379 |
} |
| 6380 |
} |
| 6381 |
|
| 6382 |
the_end:
|
| 6383 |
if (saved_vm_running)
|
| 6384 |
vm_start(); |
| 6385 |
} |
| 6386 |
|
| 6387 |
void do_loadvm(const char *name) |
| 6388 |
{
|
| 6389 |
BlockDriverState *bs, *bs1; |
| 6390 |
BlockDriverInfo bdi1, *bdi = &bdi1; |
| 6391 |
QEMUFile *f; |
| 6392 |
int i, ret;
|
| 6393 |
int saved_vm_running;
|
| 6394 |
|
| 6395 |
bs = get_bs_snapshots(); |
| 6396 |
if (!bs) {
|
| 6397 |
term_printf("No block device supports snapshots\n");
|
| 6398 |
return;
|
| 6399 |
} |
| 6400 |
|
| 6401 |
/* Flush all IO requests so they don't interfere with the new state. */
|
| 6402 |
qemu_aio_flush(); |
| 6403 |
|
| 6404 |
saved_vm_running = vm_running; |
| 6405 |
vm_stop(0);
|
| 6406 |
|
| 6407 |
for(i = 0; i <= nb_drives; i++) { |
| 6408 |
bs1 = drives_table[i].bdrv; |
| 6409 |
if (bdrv_has_snapshot(bs1)) {
|
| 6410 |
ret = bdrv_snapshot_goto(bs1, name); |
| 6411 |
if (ret < 0) { |
| 6412 |
if (bs != bs1)
|
| 6413 |
term_printf("Warning: ");
|
| 6414 |
switch(ret) {
|
| 6415 |
case -ENOTSUP:
|
| 6416 |
term_printf("Snapshots not supported on device '%s'\n",
|
| 6417 |
bdrv_get_device_name(bs1)); |
| 6418 |
break;
|
| 6419 |
case -ENOENT:
|
| 6420 |
term_printf("Could not find snapshot '%s' on device '%s'\n",
|
| 6421 |
name, bdrv_get_device_name(bs1)); |
| 6422 |
break;
|
| 6423 |
default:
|
| 6424 |
term_printf("Error %d while activating snapshot on '%s'\n",
|
| 6425 |
ret, bdrv_get_device_name(bs1)); |
| 6426 |
break;
|
| 6427 |
} |
| 6428 |
/* fatal on snapshot block device */
|
| 6429 |
if (bs == bs1)
|
| 6430 |
goto the_end;
|
| 6431 |
} |
| 6432 |
} |
| 6433 |
} |
| 6434 |
|
| 6435 |
if (bdrv_get_info(bs, bdi) < 0 || bdi->vm_state_offset <= 0) { |
| 6436 |
term_printf("Device %s does not support VM state snapshots\n",
|
| 6437 |
bdrv_get_device_name(bs)); |
| 6438 |
return;
|
| 6439 |
} |
| 6440 |
|
| 6441 |
/* restore the VM state */
|
| 6442 |
f = qemu_fopen_bdrv(bs, bdi->vm_state_offset, 0);
|
| 6443 |
if (!f) {
|
| 6444 |
term_printf("Could not open VM state file\n");
|
| 6445 |
goto the_end;
|
| 6446 |
} |
| 6447 |
ret = qemu_loadvm_state(f); |
| 6448 |
qemu_fclose(f); |
| 6449 |
if (ret < 0) { |
| 6450 |
term_printf("Error %d while loading VM state\n", ret);
|
| 6451 |
} |
| 6452 |
the_end:
|
| 6453 |
if (saved_vm_running)
|
| 6454 |
vm_start(); |
| 6455 |
} |
| 6456 |
|
| 6457 |
void do_delvm(const char *name) |
| 6458 |
{
|
| 6459 |
BlockDriverState *bs, *bs1; |
| 6460 |
int i, ret;
|
| 6461 |
|
| 6462 |
bs = get_bs_snapshots(); |
| 6463 |
if (!bs) {
|
| 6464 |
term_printf("No block device supports snapshots\n");
|
| 6465 |
return;
|
| 6466 |
} |
| 6467 |
|
| 6468 |
for(i = 0; i <= nb_drives; i++) { |
| 6469 |
bs1 = drives_table[i].bdrv; |
| 6470 |
if (bdrv_has_snapshot(bs1)) {
|
| 6471 |
ret = bdrv_snapshot_delete(bs1, name); |
| 6472 |
if (ret < 0) { |
| 6473 |
if (ret == -ENOTSUP)
|
| 6474 |
term_printf("Snapshots not supported on device '%s'\n",
|
| 6475 |
bdrv_get_device_name(bs1)); |
| 6476 |
else
|
| 6477 |
term_printf("Error %d while deleting snapshot on '%s'\n",
|
| 6478 |
ret, bdrv_get_device_name(bs1)); |
| 6479 |
} |
| 6480 |
} |
| 6481 |
} |
| 6482 |
} |
| 6483 |
|
| 6484 |
void do_info_snapshots(void) |
| 6485 |
{
|
| 6486 |
BlockDriverState *bs, *bs1; |
| 6487 |
QEMUSnapshotInfo *sn_tab, *sn; |
| 6488 |
int nb_sns, i;
|
| 6489 |
char buf[256]; |
| 6490 |
|
| 6491 |
bs = get_bs_snapshots(); |
| 6492 |
if (!bs) {
|
| 6493 |
term_printf("No available block device supports snapshots\n");
|
| 6494 |
return;
|
| 6495 |
} |
| 6496 |
term_printf("Snapshot devices:");
|
| 6497 |
for(i = 0; i <= nb_drives; i++) { |
| 6498 |
bs1 = drives_table[i].bdrv; |
| 6499 |
if (bdrv_has_snapshot(bs1)) {
|
| 6500 |
if (bs == bs1)
|
| 6501 |
term_printf(" %s", bdrv_get_device_name(bs1));
|
| 6502 |
} |
| 6503 |
} |
| 6504 |
term_printf("\n");
|
| 6505 |
|
| 6506 |
nb_sns = bdrv_snapshot_list(bs, &sn_tab); |
| 6507 |
if (nb_sns < 0) { |
| 6508 |
term_printf("bdrv_snapshot_list: error %d\n", nb_sns);
|
| 6509 |
return;
|
| 6510 |
} |
| 6511 |
term_printf("Snapshot list (from %s):\n", bdrv_get_device_name(bs));
|
| 6512 |
term_printf("%s\n", bdrv_snapshot_dump(buf, sizeof(buf), NULL)); |
| 6513 |
for(i = 0; i < nb_sns; i++) { |
| 6514 |
sn = &sn_tab[i]; |
| 6515 |
term_printf("%s\n", bdrv_snapshot_dump(buf, sizeof(buf), sn)); |
| 6516 |
} |
| 6517 |
qemu_free(sn_tab); |
| 6518 |
} |
| 6519 |
|
| 6520 |
/***********************************************************/
|
| 6521 |
/* ram save/restore */
|
| 6522 |
|
| 6523 |
static int ram_get_page(QEMUFile *f, uint8_t *buf, int len) |
| 6524 |
{
|
| 6525 |
int v;
|
| 6526 |
|
| 6527 |
v = qemu_get_byte(f); |
| 6528 |
switch(v) {
|
| 6529 |
case 0: |
| 6530 |
if (qemu_get_buffer(f, buf, len) != len)
|
| 6531 |
return -EIO;
|
| 6532 |
break;
|
| 6533 |
case 1: |
| 6534 |
v = qemu_get_byte(f); |
| 6535 |
memset(buf, v, len); |
| 6536 |
break;
|
| 6537 |
default:
|
| 6538 |
return -EINVAL;
|
| 6539 |
} |
| 6540 |
return 0; |
| 6541 |
} |
| 6542 |
|
| 6543 |
static int ram_load_v1(QEMUFile *f, void *opaque) |
| 6544 |
{
|
| 6545 |
int ret;
|
| 6546 |
ram_addr_t i; |
| 6547 |
|
| 6548 |
if (qemu_get_be32(f) != phys_ram_size)
|
| 6549 |
return -EINVAL;
|
| 6550 |
for(i = 0; i < phys_ram_size; i+= TARGET_PAGE_SIZE) { |
| 6551 |
ret = ram_get_page(f, phys_ram_base + i, TARGET_PAGE_SIZE); |
| 6552 |
if (ret)
|
| 6553 |
return ret;
|
| 6554 |
} |
| 6555 |
return 0; |
| 6556 |
} |
| 6557 |
|
| 6558 |
#define BDRV_HASH_BLOCK_SIZE 1024 |
| 6559 |
#define IOBUF_SIZE 4096 |
| 6560 |
#define RAM_CBLOCK_MAGIC 0xfabe |
| 6561 |
|
| 6562 |
typedef struct RamCompressState { |
| 6563 |
z_stream zstream; |
| 6564 |
QEMUFile *f; |
| 6565 |
uint8_t buf[IOBUF_SIZE]; |
| 6566 |
} RamCompressState; |
| 6567 |
|
| 6568 |
static int ram_compress_open(RamCompressState *s, QEMUFile *f) |
| 6569 |
{
|
| 6570 |
int ret;
|
| 6571 |
memset(s, 0, sizeof(*s)); |
| 6572 |
s->f = f; |
| 6573 |
ret = deflateInit2(&s->zstream, 1,
|
| 6574 |
Z_DEFLATED, 15,
|
| 6575 |
9, Z_DEFAULT_STRATEGY);
|
| 6576 |
if (ret != Z_OK)
|
| 6577 |
return -1; |
| 6578 |
s->zstream.avail_out = IOBUF_SIZE; |
| 6579 |
s->zstream.next_out = s->buf; |
| 6580 |
return 0; |
| 6581 |
} |
| 6582 |
|
| 6583 |
static void ram_put_cblock(RamCompressState *s, const uint8_t *buf, int len) |
| 6584 |
{
|
| 6585 |
qemu_put_be16(s->f, RAM_CBLOCK_MAGIC); |
| 6586 |
qemu_put_be16(s->f, len); |
| 6587 |
qemu_put_buffer(s->f, buf, len); |
| 6588 |
} |
| 6589 |
|
| 6590 |
static int ram_compress_buf(RamCompressState *s, const uint8_t *buf, int len) |
| 6591 |
{
|
| 6592 |
int ret;
|
| 6593 |
|
| 6594 |
s->zstream.avail_in = len; |
| 6595 |
s->zstream.next_in = (uint8_t *)buf; |
| 6596 |
while (s->zstream.avail_in > 0) { |
| 6597 |
ret = deflate(&s->zstream, Z_NO_FLUSH); |
| 6598 |
if (ret != Z_OK)
|
| 6599 |
return -1; |
| 6600 |
if (s->zstream.avail_out == 0) { |
| 6601 |
ram_put_cblock(s, s->buf, IOBUF_SIZE); |
| 6602 |
s->zstream.avail_out = IOBUF_SIZE; |
| 6603 |
s->zstream.next_out = s->buf; |
| 6604 |
} |
| 6605 |
} |
| 6606 |
return 0; |
| 6607 |
} |
| 6608 |
|
| 6609 |
static void ram_compress_close(RamCompressState *s) |
| 6610 |
{
|
| 6611 |
int len, ret;
|
| 6612 |
|
| 6613 |
/* compress last bytes */
|
| 6614 |
for(;;) {
|
| 6615 |
ret = deflate(&s->zstream, Z_FINISH); |
| 6616 |
if (ret == Z_OK || ret == Z_STREAM_END) {
|
| 6617 |
len = IOBUF_SIZE - s->zstream.avail_out; |
| 6618 |
if (len > 0) { |
| 6619 |
ram_put_cblock(s, s->buf, len); |
| 6620 |
} |
| 6621 |
s->zstream.avail_out = IOBUF_SIZE; |
| 6622 |
s->zstream.next_out = s->buf; |
| 6623 |
if (ret == Z_STREAM_END)
|
| 6624 |
break;
|
| 6625 |
} else {
|
| 6626 |
goto fail;
|
| 6627 |
} |
| 6628 |
} |
| 6629 |
fail:
|
| 6630 |
deflateEnd(&s->zstream); |
| 6631 |
} |
| 6632 |
|
| 6633 |
typedef struct RamDecompressState { |
| 6634 |
z_stream zstream; |
| 6635 |
QEMUFile *f; |
| 6636 |
uint8_t buf[IOBUF_SIZE]; |
| 6637 |
} RamDecompressState; |
| 6638 |
|
| 6639 |
static int ram_decompress_open(RamDecompressState *s, QEMUFile *f) |
| 6640 |
{
|
| 6641 |
int ret;
|
| 6642 |
memset(s, 0, sizeof(*s)); |
| 6643 |
s->f = f; |
| 6644 |
ret = inflateInit(&s->zstream); |
| 6645 |
if (ret != Z_OK)
|
| 6646 |
return -1; |
| 6647 |
return 0; |
| 6648 |
} |
| 6649 |
|
| 6650 |
static int ram_decompress_buf(RamDecompressState *s, uint8_t *buf, int len) |
| 6651 |
{
|
| 6652 |
int ret, clen;
|
| 6653 |
|
| 6654 |
s->zstream.avail_out = len; |
| 6655 |
s->zstream.next_out = buf; |
| 6656 |
while (s->zstream.avail_out > 0) { |
| 6657 |
if (s->zstream.avail_in == 0) { |
| 6658 |
if (qemu_get_be16(s->f) != RAM_CBLOCK_MAGIC)
|
| 6659 |
return -1; |
| 6660 |
clen = qemu_get_be16(s->f); |
| 6661 |
if (clen > IOBUF_SIZE)
|
| 6662 |
return -1; |
| 6663 |
qemu_get_buffer(s->f, s->buf, clen); |
| 6664 |
s->zstream.avail_in = clen; |
| 6665 |
s->zstream.next_in = s->buf; |
| 6666 |
} |
| 6667 |
ret = inflate(&s->zstream, Z_PARTIAL_FLUSH); |
| 6668 |
if (ret != Z_OK && ret != Z_STREAM_END) {
|
| 6669 |
return -1; |
| 6670 |
} |
| 6671 |
} |
| 6672 |
return 0; |
| 6673 |
} |
| 6674 |
|
| 6675 |
static void ram_decompress_close(RamDecompressState *s) |
| 6676 |
{
|
| 6677 |
inflateEnd(&s->zstream); |
| 6678 |
} |
| 6679 |
|
| 6680 |
static void ram_save(QEMUFile *f, void *opaque) |
| 6681 |
{
|
| 6682 |
ram_addr_t i; |
| 6683 |
RamCompressState s1, *s = &s1; |
| 6684 |
uint8_t buf[10];
|
| 6685 |
|
| 6686 |
qemu_put_be32(f, phys_ram_size); |
| 6687 |
if (ram_compress_open(s, f) < 0) |
| 6688 |
return;
|
| 6689 |
for(i = 0; i < phys_ram_size; i+= BDRV_HASH_BLOCK_SIZE) { |
| 6690 |
#if 0
|
| 6691 |
if (tight_savevm_enabled) {
|
| 6692 |
int64_t sector_num;
|
| 6693 |
int j;
|
| 6694 |
|
| 6695 |
/* find if the memory block is available on a virtual
|
| 6696 |
block device */
|
| 6697 |
sector_num = -1;
|
| 6698 |
for(j = 0; j < nb_drives; j++) {
|
| 6699 |
sector_num = bdrv_hash_find(drives_table[j].bdrv,
|
| 6700 |
phys_ram_base + i,
|
| 6701 |
BDRV_HASH_BLOCK_SIZE);
|
| 6702 |
if (sector_num >= 0)
|
| 6703 |
break;
|
| 6704 |
}
|
| 6705 |
if (j == nb_drives)
|
| 6706 |
goto normal_compress;
|
| 6707 |
buf[0] = 1;
|
| 6708 |
buf[1] = j;
|
| 6709 |
cpu_to_be64wu((uint64_t *)(buf + 2), sector_num);
|
| 6710 |
ram_compress_buf(s, buf, 10);
|
| 6711 |
} else
|
| 6712 |
#endif
|
| 6713 |
{
|
| 6714 |
// normal_compress:
|
| 6715 |
buf[0] = 0; |
| 6716 |
ram_compress_buf(s, buf, 1);
|
| 6717 |
ram_compress_buf(s, phys_ram_base + i, BDRV_HASH_BLOCK_SIZE); |
| 6718 |
} |
| 6719 |
} |
| 6720 |
ram_compress_close(s); |
| 6721 |
} |
| 6722 |
|
| 6723 |
static int ram_load(QEMUFile *f, void *opaque, int version_id) |
| 6724 |
{
|
| 6725 |
RamDecompressState s1, *s = &s1; |
| 6726 |
uint8_t buf[10];
|
| 6727 |
ram_addr_t i; |
| 6728 |
|
| 6729 |
if (version_id == 1) |
| 6730 |
return ram_load_v1(f, opaque);
|
| 6731 |
if (version_id != 2) |
| 6732 |
return -EINVAL;
|
| 6733 |
if (qemu_get_be32(f) != phys_ram_size)
|
| 6734 |
return -EINVAL;
|
| 6735 |
if (ram_decompress_open(s, f) < 0) |
| 6736 |
return -EINVAL;
|
| 6737 |
for(i = 0; i < phys_ram_size; i+= BDRV_HASH_BLOCK_SIZE) { |
| 6738 |
if (ram_decompress_buf(s, buf, 1) < 0) { |
| 6739 |
fprintf(stderr, "Error while reading ram block header\n");
|
| 6740 |
goto error;
|
| 6741 |
} |
| 6742 |
if (buf[0] == 0) { |
| 6743 |
if (ram_decompress_buf(s, phys_ram_base + i, BDRV_HASH_BLOCK_SIZE) < 0) { |
| 6744 |
fprintf(stderr, "Error while reading ram block address=0x%08" PRIx64, (uint64_t)i);
|
| 6745 |
goto error;
|
| 6746 |
} |
| 6747 |
} else
|
| 6748 |
#if 0
|
| 6749 |
if (buf[0] == 1) {
|
| 6750 |
int bs_index;
|
| 6751 |
int64_t sector_num;
|
| 6752 |
|
| 6753 |
ram_decompress_buf(s, buf + 1, 9);
|
| 6754 |
bs_index = buf[1];
|
| 6755 |
sector_num = be64_to_cpupu((const uint64_t *)(buf + 2));
|
| 6756 |
if (bs_index >= nb_drives) {
|
| 6757 |
fprintf(stderr, "Invalid block device index %d\n", bs_index);
|
| 6758 |
goto error;
|
| 6759 |
}
|
| 6760 |
if (bdrv_read(drives_table[bs_index].bdrv, sector_num,
|
| 6761 |
phys_ram_base + i,
|
| 6762 |
BDRV_HASH_BLOCK_SIZE / 512) < 0) {
|
| 6763 |
fprintf(stderr, "Error while reading sector %d:%" PRId64 "\n",
|
| 6764 |
bs_index, sector_num);
|
| 6765 |
goto error;
|
| 6766 |
}
|
| 6767 |
} else
|
| 6768 |
#endif
|
| 6769 |
{
|
| 6770 |
error:
|
| 6771 |
printf("Error block header\n");
|
| 6772 |
return -EINVAL;
|
| 6773 |
} |
| 6774 |
} |
| 6775 |
ram_decompress_close(s); |
| 6776 |
return 0; |
| 6777 |
} |
| 6778 |
|
| 6779 |
/***********************************************************/
|
| 6780 |
/* bottom halves (can be seen as timers which expire ASAP) */
|
| 6781 |
|
| 6782 |
struct QEMUBH {
|
| 6783 |
QEMUBHFunc *cb; |
| 6784 |
void *opaque;
|
| 6785 |
int scheduled;
|
| 6786 |
QEMUBH *next; |
| 6787 |
}; |
| 6788 |
|
| 6789 |
static QEMUBH *first_bh = NULL; |
| 6790 |
|
| 6791 |
QEMUBH *qemu_bh_new(QEMUBHFunc *cb, void *opaque)
|
| 6792 |
{
|
| 6793 |
QEMUBH *bh; |
| 6794 |
bh = qemu_mallocz(sizeof(QEMUBH));
|
| 6795 |
if (!bh)
|
| 6796 |
return NULL; |
| 6797 |
bh->cb = cb; |
| 6798 |
bh->opaque = opaque; |
| 6799 |
return bh;
|
| 6800 |
} |
| 6801 |
|
| 6802 |
int qemu_bh_poll(void) |
| 6803 |
{
|
| 6804 |
QEMUBH *bh, **pbh; |
| 6805 |
int ret;
|
| 6806 |
|
| 6807 |
ret = 0;
|
| 6808 |
for(;;) {
|
| 6809 |
pbh = &first_bh; |
| 6810 |
bh = *pbh; |
| 6811 |
if (!bh)
|
| 6812 |
break;
|
| 6813 |
ret = 1;
|
| 6814 |
*pbh = bh->next; |
| 6815 |
bh->scheduled = 0;
|
| 6816 |
bh->cb(bh->opaque); |
| 6817 |
} |
| 6818 |
return ret;
|
| 6819 |
} |
| 6820 |
|
| 6821 |
void qemu_bh_schedule(QEMUBH *bh)
|
| 6822 |
{
|
| 6823 |
CPUState *env = cpu_single_env; |
| 6824 |
if (bh->scheduled)
|
| 6825 |
return;
|
| 6826 |
bh->scheduled = 1;
|
| 6827 |
bh->next = first_bh; |
| 6828 |
first_bh = bh; |
| 6829 |
|
| 6830 |
/* stop the currently executing CPU to execute the BH ASAP */
|
| 6831 |
if (env) {
|
| 6832 |
cpu_interrupt(env, CPU_INTERRUPT_EXIT); |
| 6833 |
} |
| 6834 |
} |
| 6835 |
|
| 6836 |
void qemu_bh_cancel(QEMUBH *bh)
|
| 6837 |
{
|
| 6838 |
QEMUBH **pbh; |
| 6839 |
if (bh->scheduled) {
|
| 6840 |
pbh = &first_bh; |
| 6841 |
while (*pbh != bh)
|
| 6842 |
pbh = &(*pbh)->next; |
| 6843 |
*pbh = bh->next; |
| 6844 |
bh->scheduled = 0;
|
| 6845 |
} |
| 6846 |
} |
| 6847 |
|
| 6848 |
void qemu_bh_delete(QEMUBH *bh)
|
| 6849 |
{
|
| 6850 |
qemu_bh_cancel(bh); |
| 6851 |
qemu_free(bh); |
| 6852 |
} |
| 6853 |
|
| 6854 |
/***********************************************************/
|
| 6855 |
/* machine registration */
|
| 6856 |
|
| 6857 |
QEMUMachine *first_machine = NULL;
|
| 6858 |
|
| 6859 |
int qemu_register_machine(QEMUMachine *m)
|
| 6860 |
{
|
| 6861 |
QEMUMachine **pm; |
| 6862 |
pm = &first_machine; |
| 6863 |
while (*pm != NULL) |
| 6864 |
pm = &(*pm)->next; |
| 6865 |
m->next = NULL;
|
| 6866 |
*pm = m; |
| 6867 |
return 0; |
| 6868 |
} |
| 6869 |
|
| 6870 |
static QEMUMachine *find_machine(const char *name) |
| 6871 |
{
|
| 6872 |
QEMUMachine *m; |
| 6873 |
|
| 6874 |
for(m = first_machine; m != NULL; m = m->next) { |
| 6875 |
if (!strcmp(m->name, name))
|
| 6876 |
return m;
|
| 6877 |
} |
| 6878 |
return NULL; |
| 6879 |
} |
| 6880 |
|
| 6881 |
/***********************************************************/
|
| 6882 |
/* main execution loop */
|
| 6883 |
|
| 6884 |
static void gui_update(void *opaque) |
| 6885 |
{
|
| 6886 |
DisplayState *ds = opaque; |
| 6887 |
ds->dpy_refresh(ds); |
| 6888 |
qemu_mod_timer(ds->gui_timer, |
| 6889 |
(ds->gui_timer_interval ? |
| 6890 |
ds->gui_timer_interval : |
| 6891 |
GUI_REFRESH_INTERVAL) |
| 6892 |
+ qemu_get_clock(rt_clock)); |
| 6893 |
} |
| 6894 |
|
| 6895 |
struct vm_change_state_entry {
|
| 6896 |
VMChangeStateHandler *cb; |
| 6897 |
void *opaque;
|
| 6898 |
LIST_ENTRY (vm_change_state_entry) entries; |
| 6899 |
}; |
| 6900 |
|
| 6901 |
static LIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
|
| 6902 |
|
| 6903 |
VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb, |
| 6904 |
void *opaque)
|
| 6905 |
{
|
| 6906 |
VMChangeStateEntry *e; |
| 6907 |
|
| 6908 |
e = qemu_mallocz(sizeof (*e));
|
| 6909 |
if (!e)
|
| 6910 |
return NULL; |
| 6911 |
|
| 6912 |
e->cb = cb; |
| 6913 |
e->opaque = opaque; |
| 6914 |
LIST_INSERT_HEAD(&vm_change_state_head, e, entries); |
| 6915 |
return e;
|
| 6916 |
} |
| 6917 |
|
| 6918 |
void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
|
| 6919 |
{
|
| 6920 |
LIST_REMOVE (e, entries); |
| 6921 |
qemu_free (e); |
| 6922 |
} |
| 6923 |
|
| 6924 |
static void vm_state_notify(int running) |
| 6925 |
{
|
| 6926 |
VMChangeStateEntry *e; |
| 6927 |
|
| 6928 |
for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
|
| 6929 |
e->cb(e->opaque, running); |
| 6930 |
} |
| 6931 |
} |
| 6932 |
|
| 6933 |
/* XXX: support several handlers */
|
| 6934 |
static VMStopHandler *vm_stop_cb;
|
| 6935 |
static void *vm_stop_opaque; |
| 6936 |
|
| 6937 |
int qemu_add_vm_stop_handler(VMStopHandler *cb, void *opaque) |
| 6938 |
{
|
| 6939 |
vm_stop_cb = cb; |
| 6940 |
vm_stop_opaque = opaque; |
| 6941 |
return 0; |
| 6942 |
} |
| 6943 |
|
| 6944 |
void qemu_del_vm_stop_handler(VMStopHandler *cb, void *opaque) |
| 6945 |
{
|
| 6946 |
vm_stop_cb = NULL;
|
| 6947 |
} |
| 6948 |
|
| 6949 |
void vm_start(void) |
| 6950 |
{
|
| 6951 |
if (!vm_running) {
|
| 6952 |
cpu_enable_ticks(); |
| 6953 |
vm_running = 1;
|
| 6954 |
vm_state_notify(1);
|
| 6955 |
qemu_rearm_alarm_timer(alarm_timer); |
| 6956 |
} |
| 6957 |
} |
| 6958 |
|
| 6959 |
void vm_stop(int reason) |
| 6960 |
{
|
| 6961 |
if (vm_running) {
|
| 6962 |
cpu_disable_ticks(); |
| 6963 |
vm_running = 0;
|
| 6964 |
if (reason != 0) { |
| 6965 |
if (vm_stop_cb) {
|
| 6966 |
vm_stop_cb(vm_stop_opaque, reason); |
| 6967 |
} |
| 6968 |
} |
| 6969 |
vm_state_notify(0);
|
| 6970 |
} |
| 6971 |
} |
| 6972 |
|
| 6973 |
/* reset/shutdown handler */
|
| 6974 |
|
| 6975 |
typedef struct QEMUResetEntry { |
| 6976 |
QEMUResetHandler *func; |
| 6977 |
void *opaque;
|
| 6978 |
struct QEMUResetEntry *next;
|
| 6979 |
} QEMUResetEntry; |
| 6980 |
|
| 6981 |
static QEMUResetEntry *first_reset_entry;
|
| 6982 |
static int reset_requested; |
| 6983 |
static int shutdown_requested; |
| 6984 |
static int powerdown_requested; |
| 6985 |
|
| 6986 |
int qemu_shutdown_requested(void) |
| 6987 |
{
|
| 6988 |
int r = shutdown_requested;
|
| 6989 |
shutdown_requested = 0;
|
| 6990 |
return r;
|
| 6991 |
} |
| 6992 |
|
| 6993 |
int qemu_reset_requested(void) |
| 6994 |
{
|
| 6995 |
int r = reset_requested;
|
| 6996 |
reset_requested = 0;
|
| 6997 |
return r;
|
| 6998 |
} |
| 6999 |
|
| 7000 |
int qemu_powerdown_requested(void) |
| 7001 |
{
|
| 7002 |
int r = powerdown_requested;
|
| 7003 |
powerdown_requested = 0;
|
| 7004 |
return r;
|
| 7005 |
} |
| 7006 |
|
| 7007 |
void qemu_register_reset(QEMUResetHandler *func, void *opaque) |
| 7008 |
{
|
| 7009 |
QEMUResetEntry **pre, *re; |
| 7010 |
|
| 7011 |
pre = &first_reset_entry; |
| 7012 |
while (*pre != NULL) |
| 7013 |
pre = &(*pre)->next; |
| 7014 |
re = qemu_mallocz(sizeof(QEMUResetEntry));
|
| 7015 |
re->func = func; |
| 7016 |
re->opaque = opaque; |
| 7017 |
re->next = NULL;
|
| 7018 |
*pre = re; |
| 7019 |
} |
| 7020 |
|
| 7021 |
void qemu_system_reset(void) |
| 7022 |
{
|
| 7023 |
QEMUResetEntry *re; |
| 7024 |
|
| 7025 |
/* reset all devices */
|
| 7026 |
for(re = first_reset_entry; re != NULL; re = re->next) { |
| 7027 |
re->func(re->opaque); |
| 7028 |
} |
| 7029 |
} |
| 7030 |
|
| 7031 |
void qemu_system_reset_request(void) |
| 7032 |
{
|
| 7033 |
if (no_reboot) {
|
| 7034 |
shutdown_requested = 1;
|
| 7035 |
} else {
|
| 7036 |
reset_requested = 1;
|
| 7037 |
} |
| 7038 |
if (cpu_single_env)
|
| 7039 |
cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT); |
| 7040 |
} |
| 7041 |
|
| 7042 |
void qemu_system_shutdown_request(void) |
| 7043 |
{
|
| 7044 |
shutdown_requested = 1;
|
| 7045 |
if (cpu_single_env)
|
| 7046 |
cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT); |
| 7047 |
} |
| 7048 |
|
| 7049 |
void qemu_system_powerdown_request(void) |
| 7050 |
{
|
| 7051 |
powerdown_requested = 1;
|
| 7052 |
if (cpu_single_env)
|
| 7053 |
cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT); |
| 7054 |
} |
| 7055 |
|
| 7056 |
void main_loop_wait(int timeout) |
| 7057 |
{
|
| 7058 |
IOHandlerRecord *ioh; |
| 7059 |
fd_set rfds, wfds, xfds; |
| 7060 |
int ret, nfds;
|
| 7061 |
#ifdef _WIN32
|
| 7062 |
int ret2, i;
|
| 7063 |
#endif
|
| 7064 |
struct timeval tv;
|
| 7065 |
PollingEntry *pe; |
| 7066 |
|
| 7067 |
|
| 7068 |
/* XXX: need to suppress polling by better using win32 events */
|
| 7069 |
ret = 0;
|
| 7070 |
for(pe = first_polling_entry; pe != NULL; pe = pe->next) { |
| 7071 |
ret |= pe->func(pe->opaque); |
| 7072 |
} |
| 7073 |
#ifdef _WIN32
|
| 7074 |
if (ret == 0) { |
| 7075 |
int err;
|
| 7076 |
WaitObjects *w = &wait_objects; |
| 7077 |
|
| 7078 |
ret = WaitForMultipleObjects(w->num, w->events, FALSE, timeout); |
| 7079 |
if (WAIT_OBJECT_0 + 0 <= ret && ret <= WAIT_OBJECT_0 + w->num - 1) { |
| 7080 |
if (w->func[ret - WAIT_OBJECT_0])
|
| 7081 |
w->func[ret - WAIT_OBJECT_0](w->opaque[ret - WAIT_OBJECT_0]); |
| 7082 |
|
| 7083 |
/* Check for additional signaled events */
|
| 7084 |
for(i = (ret - WAIT_OBJECT_0 + 1); i < w->num; i++) { |
| 7085 |
|
| 7086 |
/* Check if event is signaled */
|
| 7087 |
ret2 = WaitForSingleObject(w->events[i], 0);
|
| 7088 |
if(ret2 == WAIT_OBJECT_0) {
|
| 7089 |
if (w->func[i])
|
| 7090 |
w->func[i](w->opaque[i]); |
| 7091 |
} else if (ret2 == WAIT_TIMEOUT) { |
| 7092 |
} else {
|
| 7093 |
err = GetLastError(); |
| 7094 |
fprintf(stderr, "WaitForSingleObject error %d %d\n", i, err);
|
| 7095 |
} |
| 7096 |
} |
| 7097 |
} else if (ret == WAIT_TIMEOUT) { |
| 7098 |
} else {
|
| 7099 |
err = GetLastError(); |
| 7100 |
fprintf(stderr, "WaitForMultipleObjects error %d %d\n", ret, err);
|
| 7101 |
} |
| 7102 |
} |
| 7103 |
#endif
|
| 7104 |
/* poll any events */
|
| 7105 |
/* XXX: separate device handlers from system ones */
|
| 7106 |
nfds = -1;
|
| 7107 |
FD_ZERO(&rfds); |
| 7108 |
FD_ZERO(&wfds); |
| 7109 |
FD_ZERO(&xfds); |
| 7110 |
for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) { |
| 7111 |
if (ioh->deleted)
|
| 7112 |
continue;
|
| 7113 |
if (ioh->fd_read &&
|
| 7114 |
(!ioh->fd_read_poll || |
| 7115 |
ioh->fd_read_poll(ioh->opaque) != 0)) {
|
| 7116 |
FD_SET(ioh->fd, &rfds); |
| 7117 |
if (ioh->fd > nfds)
|
| 7118 |
nfds = ioh->fd; |
| 7119 |
} |
| 7120 |
if (ioh->fd_write) {
|
| 7121 |
FD_SET(ioh->fd, &wfds); |
| 7122 |
if (ioh->fd > nfds)
|
| 7123 |
nfds = ioh->fd; |
| 7124 |
} |
| 7125 |
} |
| 7126 |
|
| 7127 |
tv.tv_sec = 0;
|
| 7128 |
#ifdef _WIN32
|
| 7129 |
tv.tv_usec = 0;
|
| 7130 |
#else
|
| 7131 |
tv.tv_usec = timeout * 1000;
|
| 7132 |
#endif
|
| 7133 |
#if defined(CONFIG_SLIRP)
|
| 7134 |
if (slirp_inited) {
|
| 7135 |
slirp_select_fill(&nfds, &rfds, &wfds, &xfds); |
| 7136 |
} |
| 7137 |
#endif
|
| 7138 |
ret = select(nfds + 1, &rfds, &wfds, &xfds, &tv);
|
| 7139 |
if (ret > 0) { |
| 7140 |
IOHandlerRecord **pioh; |
| 7141 |
|
| 7142 |
for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) { |
| 7143 |
if (!ioh->deleted && ioh->fd_read && FD_ISSET(ioh->fd, &rfds)) {
|
| 7144 |
ioh->fd_read(ioh->opaque); |
| 7145 |
} |
| 7146 |
if (!ioh->deleted && ioh->fd_write && FD_ISSET(ioh->fd, &wfds)) {
|
| 7147 |
ioh->fd_write(ioh->opaque); |
| 7148 |
} |
| 7149 |
} |
| 7150 |
|
| 7151 |
/* remove deleted IO handlers */
|
| 7152 |
pioh = &first_io_handler; |
| 7153 |
while (*pioh) {
|
| 7154 |
ioh = *pioh; |
| 7155 |
if (ioh->deleted) {
|
| 7156 |
*pioh = ioh->next; |
| 7157 |
qemu_free(ioh); |
| 7158 |
} else
|
| 7159 |
pioh = &ioh->next; |
| 7160 |
} |
| 7161 |
} |
| 7162 |
#if defined(CONFIG_SLIRP)
|
| 7163 |
if (slirp_inited) {
|
| 7164 |
if (ret < 0) { |
| 7165 |
FD_ZERO(&rfds); |
| 7166 |
FD_ZERO(&wfds); |
| 7167 |
FD_ZERO(&xfds); |
| 7168 |
} |
| 7169 |
slirp_select_poll(&rfds, &wfds, &xfds); |
| 7170 |
} |
| 7171 |
#endif
|
| 7172 |
qemu_aio_poll(); |
| 7173 |
|
| 7174 |
if (vm_running) {
|
| 7175 |
if (likely(!(cur_cpu->singlestep_enabled & SSTEP_NOTIMER)))
|
| 7176 |
qemu_run_timers(&active_timers[QEMU_TIMER_VIRTUAL], |
| 7177 |
qemu_get_clock(vm_clock)); |
| 7178 |
/* run dma transfers, if any */
|
| 7179 |
DMA_run(); |
| 7180 |
} |
| 7181 |
|
| 7182 |
/* real time timers */
|
| 7183 |
qemu_run_timers(&active_timers[QEMU_TIMER_REALTIME], |
| 7184 |
qemu_get_clock(rt_clock)); |
| 7185 |
|
| 7186 |
if (alarm_timer->flags & ALARM_FLAG_EXPIRED) {
|
| 7187 |
alarm_timer->flags &= ~(ALARM_FLAG_EXPIRED); |
| 7188 |
qemu_rearm_alarm_timer(alarm_timer); |
| 7189 |
} |
| 7190 |
|
| 7191 |
/* Check bottom-halves last in case any of the earlier events triggered
|
| 7192 |
them. */
|
| 7193 |
qemu_bh_poll(); |
| 7194 |
|
| 7195 |
} |
| 7196 |
|
| 7197 |
static int main_loop(void) |
| 7198 |
{
|
| 7199 |
int ret, timeout;
|
| 7200 |
#ifdef CONFIG_PROFILER
|
| 7201 |
int64_t ti; |
| 7202 |
#endif
|
| 7203 |
CPUState *env; |
| 7204 |
|
| 7205 |
cur_cpu = first_cpu; |
| 7206 |
next_cpu = cur_cpu->next_cpu ?: first_cpu; |
| 7207 |
for(;;) {
|
| 7208 |
if (vm_running) {
|
| 7209 |
|
| 7210 |
for(;;) {
|
| 7211 |
/* get next cpu */
|
| 7212 |
env = next_cpu; |
| 7213 |
#ifdef CONFIG_PROFILER
|
| 7214 |
ti = profile_getclock(); |
| 7215 |
#endif
|
| 7216 |
if (use_icount) {
|
| 7217 |
int64_t count; |
| 7218 |
int decr;
|
| 7219 |
qemu_icount -= (env->icount_decr.u16.low + env->icount_extra); |
| 7220 |
env->icount_decr.u16.low = 0;
|
| 7221 |
env->icount_extra = 0;
|
| 7222 |
count = qemu_next_deadline(); |
| 7223 |
count = (count + (1 << icount_time_shift) - 1) |
| 7224 |
>> icount_time_shift; |
| 7225 |
qemu_icount += count; |
| 7226 |
decr = (count > 0xffff) ? 0xffff : count; |
| 7227 |
count -= decr; |
| 7228 |
env->icount_decr.u16.low = decr; |
| 7229 |
env->icount_extra = count; |
| 7230 |
} |
| 7231 |
ret = cpu_exec(env); |
| 7232 |
#ifdef CONFIG_PROFILER
|
| 7233 |
qemu_time += profile_getclock() - ti; |
| 7234 |
#endif
|
| 7235 |
if (use_icount) {
|
| 7236 |
/* Fold pending instructions back into the
|
| 7237 |
instruction counter, and clear the interrupt flag. */
|
| 7238 |
qemu_icount -= (env->icount_decr.u16.low |
| 7239 |
+ env->icount_extra); |
| 7240 |
env->icount_decr.u32 = 0;
|
| 7241 |
env->icount_extra = 0;
|
| 7242 |
} |
| 7243 |
next_cpu = env->next_cpu ?: first_cpu; |
| 7244 |
if (event_pending && likely(ret != EXCP_DEBUG)) {
|
| 7245 |
ret = EXCP_INTERRUPT; |
| 7246 |
event_pending = 0;
|
| 7247 |
break;
|
| 7248 |
} |
| 7249 |
if (ret == EXCP_HLT) {
|
| 7250 |
/* Give the next CPU a chance to run. */
|
| 7251 |
cur_cpu = env; |
| 7252 |
continue;
|
| 7253 |
} |
| 7254 |
if (ret != EXCP_HALTED)
|
| 7255 |
break;
|
| 7256 |
/* all CPUs are halted ? */
|
| 7257 |
if (env == cur_cpu)
|
| 7258 |
break;
|
| 7259 |
} |
| 7260 |
cur_cpu = env; |
| 7261 |
|
| 7262 |
if (shutdown_requested) {
|
| 7263 |
ret = EXCP_INTERRUPT; |
| 7264 |
if (no_shutdown) {
|
| 7265 |
vm_stop(0);
|
| 7266 |
no_shutdown = 0;
|
| 7267 |
} |
| 7268 |
else
|
| 7269 |
break;
|
| 7270 |
} |
| 7271 |
if (reset_requested) {
|
| 7272 |
reset_requested = 0;
|
| 7273 |
qemu_system_reset(); |
| 7274 |
ret = EXCP_INTERRUPT; |
| 7275 |
} |
| 7276 |
if (powerdown_requested) {
|
| 7277 |
powerdown_requested = 0;
|
| 7278 |
qemu_system_powerdown(); |
| 7279 |
ret = EXCP_INTERRUPT; |
| 7280 |
} |
| 7281 |
if (unlikely(ret == EXCP_DEBUG)) {
|
| 7282 |
vm_stop(EXCP_DEBUG); |
| 7283 |
} |
| 7284 |
/* If all cpus are halted then wait until the next IRQ */
|
| 7285 |
/* XXX: use timeout computed from timers */
|
| 7286 |
if (ret == EXCP_HALTED) {
|
| 7287 |
if (use_icount) {
|
| 7288 |
int64_t add; |
| 7289 |
int64_t delta; |
| 7290 |
/* Advance virtual time to the next event. */
|
| 7291 |
if (use_icount == 1) { |
| 7292 |
/* When not using an adaptive execution frequency
|
| 7293 |
we tend to get badly out of sync with real time,
|
| 7294 |
so just delay for a reasonable amount of time. */
|
| 7295 |
delta = 0;
|
| 7296 |
} else {
|
| 7297 |
delta = cpu_get_icount() - cpu_get_clock(); |
| 7298 |
} |
| 7299 |
if (delta > 0) { |
| 7300 |
/* If virtual time is ahead of real time then just
|
| 7301 |
wait for IO. */
|
| 7302 |
timeout = (delta / 1000000) + 1; |
| 7303 |
} else {
|
| 7304 |
/* Wait for either IO to occur or the next
|
| 7305 |
timer event. */
|
| 7306 |
add = qemu_next_deadline(); |
| 7307 |
/* We advance the timer before checking for IO.
|
| 7308 |
Limit the amount we advance so that early IO
|
| 7309 |
activity won't get the guest too far ahead. */
|
| 7310 |
if (add > 10000000) |
| 7311 |
add = 10000000;
|
| 7312 |
delta += add; |
| 7313 |
add = (add + (1 << icount_time_shift) - 1) |
| 7314 |
>> icount_time_shift; |
| 7315 |
qemu_icount += add; |
| 7316 |
timeout = delta / 1000000;
|
| 7317 |
if (timeout < 0) |
| 7318 |
timeout = 0;
|
| 7319 |
} |
| 7320 |
} else {
|
| 7321 |
timeout = 10;
|
| 7322 |
} |
| 7323 |
} else {
|
| 7324 |
timeout = 0;
|
| 7325 |
} |
| 7326 |
} else {
|
| 7327 |
timeout = 10;
|
| 7328 |
} |
| 7329 |
#ifdef CONFIG_PROFILER
|
| 7330 |
ti = profile_getclock(); |
| 7331 |
#endif
|
| 7332 |
main_loop_wait(timeout); |
| 7333 |
#ifdef CONFIG_PROFILER
|
| 7334 |
dev_time += profile_getclock() - ti; |
| 7335 |
#endif
|
| 7336 |
} |
| 7337 |
cpu_disable_ticks(); |
| 7338 |
return ret;
|
| 7339 |
} |
| 7340 |
|
| 7341 |
static void help(int exitcode) |
| 7342 |
{
|
| 7343 |
printf("QEMU PC emulator version " QEMU_VERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n" |
| 7344 |
"usage: %s [options] [disk_image]\n"
|
| 7345 |
"\n"
|
| 7346 |
"'disk_image' is a raw hard image image for IDE hard disk 0\n"
|
| 7347 |
"\n"
|
| 7348 |
"Standard options:\n"
|
| 7349 |
"-M machine select emulated machine (-M ? for list)\n"
|
| 7350 |
"-cpu cpu select CPU (-cpu ? for list)\n"
|
| 7351 |
"-fda/-fdb file use 'file' as floppy disk 0/1 image\n"
|
| 7352 |
"-hda/-hdb file use 'file' as IDE hard disk 0/1 image\n"
|
| 7353 |
"-hdc/-hdd file use 'file' as IDE hard disk 2/3 image\n"
|
| 7354 |
"-cdrom file use 'file' as IDE cdrom image (cdrom is ide1 master)\n"
|
| 7355 |
"-drive [file=file][,if=type][,bus=n][,unit=m][,media=d][,index=i]\n"
|
| 7356 |
" [,cyls=c,heads=h,secs=s[,trans=t]][,snapshot=on|off]\n"
|
| 7357 |
" [,cache=on|off][,format=f]\n"
|
| 7358 |
" use 'file' as a drive image\n"
|
| 7359 |
"-mtdblock file use 'file' as on-board Flash memory image\n"
|
| 7360 |
"-sd file use 'file' as SecureDigital card image\n"
|
| 7361 |
"-pflash file use 'file' as a parallel flash image\n"
|
| 7362 |
"-boot [a|c|d|n] boot on floppy (a), hard disk (c), CD-ROM (d), or network (n)\n"
|
| 7363 |
"-snapshot write to temporary files instead of disk image files\n"
|
| 7364 |
#ifdef CONFIG_SDL
|
| 7365 |
"-no-frame open SDL window without a frame and window decorations\n"
|
| 7366 |
"-alt-grab use Ctrl-Alt-Shift to grab mouse (instead of Ctrl-Alt)\n"
|
| 7367 |
"-no-quit disable SDL window close capability\n"
|
| 7368 |
#endif
|
| 7369 |
#ifdef TARGET_I386
|
| 7370 |
"-no-fd-bootchk disable boot signature checking for floppy disks\n"
|
| 7371 |
#endif
|
| 7372 |
"-m megs set virtual RAM size to megs MB [default=%d]\n"
|
| 7373 |
"-smp n set the number of CPUs to 'n' [default=1]\n"
|
| 7374 |
"-nographic disable graphical output and redirect serial I/Os to console\n"
|
| 7375 |
"-portrait rotate graphical output 90 deg left (only PXA LCD)\n"
|
| 7376 |
#ifndef _WIN32
|
| 7377 |
"-k language use keyboard layout (for example \"fr\" for French)\n"
|
| 7378 |
#endif
|
| 7379 |
#ifdef HAS_AUDIO
|
| 7380 |
"-audio-help print list of audio drivers and their options\n"
|
| 7381 |
"-soundhw c1,... enable audio support\n"
|
| 7382 |
" and only specified sound cards (comma separated list)\n"
|
| 7383 |
" use -soundhw ? to get the list of supported cards\n"
|
| 7384 |
" use -soundhw all to enable all of them\n"
|
| 7385 |
#endif
|
| 7386 |
"-localtime set the real time clock to local time [default=utc]\n"
|
| 7387 |
"-full-screen start in full screen\n"
|
| 7388 |
#ifdef TARGET_I386
|
| 7389 |
"-win2k-hack use it when installing Windows 2000 to avoid a disk full bug\n"
|
| 7390 |
#endif
|
| 7391 |
"-usb enable the USB driver (will be the default soon)\n"
|
| 7392 |
"-usbdevice name add the host or guest USB device 'name'\n"
|
| 7393 |
#if defined(TARGET_PPC) || defined(TARGET_SPARC)
|
| 7394 |
"-g WxH[xDEPTH] Set the initial graphical resolution and depth\n"
|
| 7395 |
#endif
|
| 7396 |
"-name string set the name of the guest\n"
|
| 7397 |
"\n"
|
| 7398 |
"Network options:\n"
|
| 7399 |
"-net nic[,vlan=n][,macaddr=addr][,model=type]\n"
|
| 7400 |
" create a new Network Interface Card and connect it to VLAN 'n'\n"
|
| 7401 |
#ifdef CONFIG_SLIRP
|
| 7402 |
"-net user[,vlan=n][,hostname=host]\n"
|
| 7403 |
" connect the user mode network stack to VLAN 'n' and send\n"
|
| 7404 |
" hostname 'host' to DHCP clients\n"
|
| 7405 |
#endif
|
| 7406 |
#ifdef _WIN32
|
| 7407 |
"-net tap[,vlan=n],ifname=name\n"
|
| 7408 |
" connect the host TAP network interface to VLAN 'n'\n"
|
| 7409 |
#else
|
| 7410 |
"-net tap[,vlan=n][,fd=h][,ifname=name][,script=file][,downscript=dfile]\n"
|
| 7411 |
" connect the host TAP network interface to VLAN 'n' and use the\n"
|
| 7412 |
" network scripts 'file' (default=%s)\n"
|
| 7413 |
" and 'dfile' (default=%s);\n"
|
| 7414 |
" use '[down]script=no' to disable script execution;\n"
|
| 7415 |
" use 'fd=h' to connect to an already opened TAP interface\n"
|
| 7416 |
#endif
|
| 7417 |
"-net socket[,vlan=n][,fd=h][,listen=[host]:port][,connect=host:port]\n"
|
| 7418 |
" connect the vlan 'n' to another VLAN using a socket connection\n"
|
| 7419 |
"-net socket[,vlan=n][,fd=h][,mcast=maddr:port]\n"
|
| 7420 |
" connect the vlan 'n' to multicast maddr and port\n"
|
| 7421 |
"-net none use it alone to have zero network devices; if no -net option\n"
|
| 7422 |
" is provided, the default is '-net nic -net user'\n"
|
| 7423 |
"\n"
|
| 7424 |
#ifdef CONFIG_SLIRP
|
| 7425 |
"-tftp dir allow tftp access to files in dir [-net user]\n"
|
| 7426 |
"-bootp file advertise file in BOOTP replies\n"
|
| 7427 |
#ifndef _WIN32
|
| 7428 |
"-smb dir allow SMB access to files in 'dir' [-net user]\n"
|
| 7429 |
#endif
|
| 7430 |
"-redir [tcp|udp]:host-port:[guest-host]:guest-port\n"
|
| 7431 |
" redirect TCP or UDP connections from host to guest [-net user]\n"
|
| 7432 |
#endif
|
| 7433 |
"\n"
|
| 7434 |
"Linux boot specific:\n"
|
| 7435 |
"-kernel bzImage use 'bzImage' as kernel image\n"
|
| 7436 |
"-append cmdline use 'cmdline' as kernel command line\n"
|
| 7437 |
"-initrd file use 'file' as initial ram disk\n"
|
| 7438 |
"\n"
|
| 7439 |
"Debug/Expert options:\n"
|
| 7440 |
"-monitor dev redirect the monitor to char device 'dev'\n"
|
| 7441 |
"-serial dev redirect the serial port to char device 'dev'\n"
|
| 7442 |
"-parallel dev redirect the parallel port to char device 'dev'\n"
|
| 7443 |
"-pidfile file Write PID to 'file'\n"
|
| 7444 |
"-S freeze CPU at startup (use 'c' to start execution)\n"
|
| 7445 |
"-s wait gdb connection to port\n"
|
| 7446 |
"-p port set gdb connection port [default=%s]\n"
|
| 7447 |
"-d item1,... output log to %s (use -d ? for a list of log items)\n"
|
| 7448 |
"-hdachs c,h,s[,t] force hard disk 0 physical geometry and the optional BIOS\n"
|
| 7449 |
" translation (t=none or lba) (usually qemu can guess them)\n"
|
| 7450 |
"-L path set the directory for the BIOS, VGA BIOS and keymaps\n"
|
| 7451 |
#ifdef USE_KQEMU
|
| 7452 |
"-kernel-kqemu enable KQEMU full virtualization (default is user mode only)\n"
|
| 7453 |
"-no-kqemu disable KQEMU kernel module usage\n"
|
| 7454 |
#endif
|
| 7455 |
#ifdef TARGET_I386
|
| 7456 |
"-std-vga simulate a standard VGA card with VESA Bochs Extensions\n"
|
| 7457 |
" (default is CL-GD5446 PCI VGA)\n"
|
| 7458 |
"-no-acpi disable ACPI\n"
|
| 7459 |
#endif
|
| 7460 |
#ifdef CONFIG_CURSES
|
| 7461 |
"-curses use a curses/ncurses interface instead of SDL\n"
|
| 7462 |
#endif
|
| 7463 |
"-no-reboot exit instead of rebooting\n"
|
| 7464 |
"-no-shutdown stop before shutdown\n"
|
| 7465 |
"-loadvm [tag|id] start right away with a saved state (loadvm in monitor)\n"
|
| 7466 |
"-vnc display start a VNC server on display\n"
|
| 7467 |
#ifndef _WIN32
|
| 7468 |
"-daemonize daemonize QEMU after initializing\n"
|
| 7469 |
#endif
|
| 7470 |
"-option-rom rom load a file, rom, into the option ROM space\n"
|
| 7471 |
#ifdef TARGET_SPARC
|
| 7472 |
"-prom-env variable=value set OpenBIOS nvram variables\n"
|
| 7473 |
#endif
|
| 7474 |
"-clock force the use of the given methods for timer alarm.\n"
|
| 7475 |
" To see what timers are available use -clock ?\n"
|
| 7476 |
"-startdate select initial date of the clock\n"
|
| 7477 |
"-icount [N|auto]\n"
|
| 7478 |
" Enable virtual instruction counter with 2^N clock ticks per instruction\n"
|
| 7479 |
"\n"
|
| 7480 |
"During emulation, the following keys are useful:\n"
|
| 7481 |
"ctrl-alt-f toggle full screen\n"
|
| 7482 |
"ctrl-alt-n switch to virtual console 'n'\n"
|
| 7483 |
"ctrl-alt toggle mouse and keyboard grab\n"
|
| 7484 |
"\n"
|
| 7485 |
"When using -nographic, press 'ctrl-a h' to get some help.\n"
|
| 7486 |
, |
| 7487 |
"qemu",
|
| 7488 |
DEFAULT_RAM_SIZE, |
| 7489 |
#ifndef _WIN32
|
| 7490 |
DEFAULT_NETWORK_SCRIPT, |
| 7491 |
DEFAULT_NETWORK_DOWN_SCRIPT, |
| 7492 |
#endif
|
| 7493 |
DEFAULT_GDBSTUB_PORT, |
| 7494 |
"/tmp/qemu.log");
|
| 7495 |
exit(exitcode); |
| 7496 |
} |
| 7497 |
|
| 7498 |
#define HAS_ARG 0x0001 |
| 7499 |
|
| 7500 |
enum {
|
| 7501 |
QEMU_OPTION_h, |
| 7502 |
|
| 7503 |
QEMU_OPTION_M, |
| 7504 |
QEMU_OPTION_cpu, |
| 7505 |
QEMU_OPTION_fda, |
| 7506 |
QEMU_OPTION_fdb, |
| 7507 |
QEMU_OPTION_hda, |
| 7508 |
QEMU_OPTION_hdb, |
| 7509 |
QEMU_OPTION_hdc, |
| 7510 |
QEMU_OPTION_hdd, |
| 7511 |
QEMU_OPTION_drive, |
| 7512 |
QEMU_OPTION_cdrom, |
| 7513 |
QEMU_OPTION_mtdblock, |
| 7514 |
QEMU_OPTION_sd, |
| 7515 |
QEMU_OPTION_pflash, |
| 7516 |
QEMU_OPTION_boot, |
| 7517 |
QEMU_OPTION_snapshot, |
| 7518 |
#ifdef TARGET_I386
|
| 7519 |
QEMU_OPTION_no_fd_bootchk, |
| 7520 |
#endif
|
| 7521 |
QEMU_OPTION_m, |
| 7522 |
QEMU_OPTION_nographic, |
| 7523 |
QEMU_OPTION_portrait, |
| 7524 |
#ifdef HAS_AUDIO
|
| 7525 |
QEMU_OPTION_audio_help, |
| 7526 |
QEMU_OPTION_soundhw, |
| 7527 |
#endif
|
| 7528 |
|
| 7529 |
QEMU_OPTION_net, |
| 7530 |
QEMU_OPTION_tftp, |
| 7531 |
QEMU_OPTION_bootp, |
| 7532 |
QEMU_OPTION_smb, |
| 7533 |
QEMU_OPTION_redir, |
| 7534 |
|
| 7535 |
QEMU_OPTION_kernel, |
| 7536 |
QEMU_OPTION_append, |
| 7537 |
QEMU_OPTION_initrd, |
| 7538 |
|
| 7539 |
QEMU_OPTION_S, |
| 7540 |
QEMU_OPTION_s, |
| 7541 |
QEMU_OPTION_p, |
| 7542 |
QEMU_OPTION_d, |
| 7543 |
QEMU_OPTION_hdachs, |
| 7544 |
QEMU_OPTION_L, |
| 7545 |
QEMU_OPTION_bios, |
| 7546 |
QEMU_OPTION_k, |
| 7547 |
QEMU_OPTION_localtime, |
| 7548 |
QEMU_OPTION_cirrusvga, |
| 7549 |
QEMU_OPTION_vmsvga, |
| 7550 |
QEMU_OPTION_g, |
| 7551 |
QEMU_OPTION_std_vga, |
| 7552 |
QEMU_OPTION_echr, |
| 7553 |
QEMU_OPTION_monitor, |
| 7554 |
QEMU_OPTION_serial, |
| 7555 |
QEMU_OPTION_parallel, |
| 7556 |
QEMU_OPTION_loadvm, |
| 7557 |
QEMU_OPTION_full_screen, |
| 7558 |
QEMU_OPTION_no_frame, |
| 7559 |
QEMU_OPTION_alt_grab, |
| 7560 |
QEMU_OPTION_no_quit, |
| 7561 |
QEMU_OPTION_pidfile, |
| 7562 |
QEMU_OPTION_no_kqemu, |
| 7563 |
QEMU_OPTION_kernel_kqemu, |
| 7564 |
QEMU_OPTION_win2k_hack, |
| 7565 |
QEMU_OPTION_usb, |
| 7566 |
QEMU_OPTION_usbdevice, |
| 7567 |
QEMU_OPTION_smp, |
| 7568 |
QEMU_OPTION_vnc, |
| 7569 |
QEMU_OPTION_no_acpi, |
| 7570 |
QEMU_OPTION_curses, |
| 7571 |
QEMU_OPTION_no_reboot, |
| 7572 |
QEMU_OPTION_no_shutdown, |
| 7573 |
QEMU_OPTION_show_cursor, |
| 7574 |
QEMU_OPTION_daemonize, |
| 7575 |
QEMU_OPTION_option_rom, |
| 7576 |
QEMU_OPTION_semihosting, |
| 7577 |
QEMU_OPTION_name, |
| 7578 |
QEMU_OPTION_prom_env, |
| 7579 |
QEMU_OPTION_old_param, |
| 7580 |
QEMU_OPTION_clock, |
| 7581 |
QEMU_OPTION_startdate, |
| 7582 |
QEMU_OPTION_tb_size, |
| 7583 |
QEMU_OPTION_icount, |
| 7584 |
}; |
| 7585 |
|
| 7586 |
typedef struct QEMUOption { |
| 7587 |
const char *name; |
| 7588 |
int flags;
|
| 7589 |
int index;
|
| 7590 |
} QEMUOption; |
| 7591 |
|
| 7592 |
const QEMUOption qemu_options[] = {
|
| 7593 |
{ "h", 0, QEMU_OPTION_h },
|
| 7594 |
{ "help", 0, QEMU_OPTION_h },
|
| 7595 |
|
| 7596 |
{ "M", HAS_ARG, QEMU_OPTION_M },
|
| 7597 |
{ "cpu", HAS_ARG, QEMU_OPTION_cpu },
|
| 7598 |
{ "fda", HAS_ARG, QEMU_OPTION_fda },
|
| 7599 |
{ "fdb", HAS_ARG, QEMU_OPTION_fdb },
|
| 7600 |
{ "hda", HAS_ARG, QEMU_OPTION_hda },
|
| 7601 |
{ "hdb", HAS_ARG, QEMU_OPTION_hdb },
|
| 7602 |
{ "hdc", HAS_ARG, QEMU_OPTION_hdc },
|
| 7603 |
{ "hdd", HAS_ARG, QEMU_OPTION_hdd },
|
| 7604 |
{ "drive", HAS_ARG, QEMU_OPTION_drive },
|
| 7605 |
{ "cdrom", HAS_ARG, QEMU_OPTION_cdrom },
|
| 7606 |
{ "mtdblock", HAS_ARG, QEMU_OPTION_mtdblock },
|
| 7607 |
{ "sd", HAS_ARG, QEMU_OPTION_sd },
|
| 7608 |
{ "pflash", HAS_ARG, QEMU_OPTION_pflash },
|
| 7609 |
{ "boot", HAS_ARG, QEMU_OPTION_boot },
|
| 7610 |
{ "snapshot", 0, QEMU_OPTION_snapshot },
|
| 7611 |
#ifdef TARGET_I386
|
| 7612 |
{ "no-fd-bootchk", 0, QEMU_OPTION_no_fd_bootchk },
|
| 7613 |
#endif
|
| 7614 |
{ "m", HAS_ARG, QEMU_OPTION_m },
|
| 7615 |
{ "nographic", 0, QEMU_OPTION_nographic },
|
| 7616 |
{ "portrait", 0, QEMU_OPTION_portrait },
|
| 7617 |
{ "k", HAS_ARG, QEMU_OPTION_k },
|
| 7618 |
#ifdef HAS_AUDIO
|
| 7619 |
{ "audio-help", 0, QEMU_OPTION_audio_help },
|
| 7620 |
{ "soundhw", HAS_ARG, QEMU_OPTION_soundhw },
|
| 7621 |
#endif
|
| 7622 |
|
| 7623 |
{ "net", HAS_ARG, QEMU_OPTION_net},
|
| 7624 |
#ifdef CONFIG_SLIRP
|
| 7625 |
{ "tftp", HAS_ARG, QEMU_OPTION_tftp },
|
| 7626 |
{ "bootp", HAS_ARG, QEMU_OPTION_bootp },
|
| 7627 |
#ifndef _WIN32
|
| 7628 |
{ "smb", HAS_ARG, QEMU_OPTION_smb },
|
| 7629 |
#endif
|
| 7630 |
{ "redir", HAS_ARG, QEMU_OPTION_redir },
|
| 7631 |
#endif
|
| 7632 |
|
| 7633 |
{ "kernel", HAS_ARG, QEMU_OPTION_kernel },
|
| 7634 |
{ "append", HAS_ARG, QEMU_OPTION_append },
|
| 7635 |
{ "initrd", HAS_ARG, QEMU_OPTION_initrd },
|
| 7636 |
|
| 7637 |
{ "S", 0, QEMU_OPTION_S },
|
| 7638 |
{ "s", 0, QEMU_OPTION_s },
|
| 7639 |
{ "p", HAS_ARG, QEMU_OPTION_p },
|
| 7640 |
{ "d", HAS_ARG, QEMU_OPTION_d },
|
| 7641 |
{ "hdachs", HAS_ARG, QEMU_OPTION_hdachs },
|
| 7642 |
{ "L", HAS_ARG, QEMU_OPTION_L },
|
| 7643 |
{ "bios", HAS_ARG, QEMU_OPTION_bios },
|
| 7644 |
#ifdef USE_KQEMU
|
| 7645 |
{ "no-kqemu", 0, QEMU_OPTION_no_kqemu },
|
| 7646 |
{ "kernel-kqemu", 0, QEMU_OPTION_kernel_kqemu },
|
| 7647 |
#endif
|
| 7648 |
#if defined(TARGET_PPC) || defined(TARGET_SPARC)
|
| 7649 |
{ "g", 1, QEMU_OPTION_g },
|
| 7650 |
#endif
|
| 7651 |
{ "localtime", 0, QEMU_OPTION_localtime },
|
| 7652 |
{ "std-vga", 0, QEMU_OPTION_std_vga },
|
| 7653 |
{ "echr", HAS_ARG, QEMU_OPTION_echr },
|
| 7654 |
{ "monitor", HAS_ARG, QEMU_OPTION_monitor },
|
| 7655 |
{ "serial", HAS_ARG, QEMU_OPTION_serial },
|
| 7656 |
{ "parallel", HAS_ARG, QEMU_OPTION_parallel },
|
| 7657 |
{ "loadvm", HAS_ARG, QEMU_OPTION_loadvm },
|
| 7658 |
{ "full-screen", 0, QEMU_OPTION_full_screen },
|
| 7659 |
#ifdef CONFIG_SDL
|
| 7660 |
{ "no-frame", 0, QEMU_OPTION_no_frame },
|
| 7661 |
{ "alt-grab", 0, QEMU_OPTION_alt_grab },
|
| 7662 |
{ "no-quit", 0, QEMU_OPTION_no_quit },
|
| 7663 |
#endif
|
| 7664 |
{ "pidfile", HAS_ARG, QEMU_OPTION_pidfile },
|
| 7665 |
{ "win2k-hack", 0, QEMU_OPTION_win2k_hack },
|
| 7666 |
{ "usbdevice", HAS_ARG, QEMU_OPTION_usbdevice },
|
| 7667 |
{ "smp", HAS_ARG, QEMU_OPTION_smp },
|
| 7668 |
{ "vnc", HAS_ARG, QEMU_OPTION_vnc },
|
| 7669 |
#ifdef CONFIG_CURSES
|
| 7670 |
{ "curses", 0, QEMU_OPTION_curses },
|
| 7671 |
#endif
|
| 7672 |
|
| 7673 |
/* temporary options */
|
| 7674 |
{ "usb", 0, QEMU_OPTION_usb },
|
| 7675 |
{ "cirrusvga", 0, QEMU_OPTION_cirrusvga },
|
| 7676 |
{ "vmwarevga", 0, QEMU_OPTION_vmsvga },
|
| 7677 |
{ "no-acpi", 0, QEMU_OPTION_no_acpi },
|
| 7678 |
{ "no-reboot", 0, QEMU_OPTION_no_reboot },
|
| 7679 |
{ "no-shutdown", 0, QEMU_OPTION_no_shutdown },
|
| 7680 |
{ "show-cursor", 0, QEMU_OPTION_show_cursor },
|
| 7681 |
{ "daemonize", 0, QEMU_OPTION_daemonize },
|
| 7682 |
{ "option-rom", HAS_ARG, QEMU_OPTION_option_rom },
|
| 7683 |
#if defined(TARGET_ARM) || defined(TARGET_M68K)
|
| 7684 |
{ "semihosting", 0, QEMU_OPTION_semihosting },
|
| 7685 |
#endif
|
| 7686 |
{ "name", HAS_ARG, QEMU_OPTION_name },
|
| 7687 |
#if defined(TARGET_SPARC)
|
| 7688 |
{ "prom-env", HAS_ARG, QEMU_OPTION_prom_env },
|
| 7689 |
#endif
|
| 7690 |
#if defined(TARGET_ARM)
|
| 7691 |
{ "old-param", 0, QEMU_OPTION_old_param },
|
| 7692 |
#endif
|
| 7693 |
{ "clock", HAS_ARG, QEMU_OPTION_clock },
|
| 7694 |
{ "startdate", HAS_ARG, QEMU_OPTION_startdate },
|
| 7695 |
{ "tb-size", HAS_ARG, QEMU_OPTION_tb_size },
|
| 7696 |
{ "icount", HAS_ARG, QEMU_OPTION_icount },
|
| 7697 |
{ NULL },
|
| 7698 |
}; |
| 7699 |
|
| 7700 |
/* password input */
|
| 7701 |
|
| 7702 |
int qemu_key_check(BlockDriverState *bs, const char *name) |
| 7703 |
{
|
| 7704 |
char password[256]; |
| 7705 |
int i;
|
| 7706 |
|
| 7707 |
if (!bdrv_is_encrypted(bs))
|
| 7708 |
return 0; |
| 7709 |
|
| 7710 |
term_printf("%s is encrypted.\n", name);
|
| 7711 |
for(i = 0; i < 3; i++) { |
| 7712 |
monitor_readline("Password: ", 1, password, sizeof(password)); |
| 7713 |
if (bdrv_set_key(bs, password) == 0) |
| 7714 |
return 0; |
| 7715 |
term_printf("invalid password\n");
|
| 7716 |
} |
| 7717 |
return -EPERM;
|
| 7718 |
} |
| 7719 |
|
| 7720 |
static BlockDriverState *get_bdrv(int index) |
| 7721 |
{
|
| 7722 |
if (index > nb_drives)
|
| 7723 |
return NULL; |
| 7724 |
return drives_table[index].bdrv;
|
| 7725 |
} |
| 7726 |
|
| 7727 |
static void read_passwords(void) |
| 7728 |
{
|
| 7729 |
BlockDriverState *bs; |
| 7730 |
int i;
|
| 7731 |
|
| 7732 |
for(i = 0; i < 6; i++) { |
| 7733 |
bs = get_bdrv(i); |
| 7734 |
if (bs)
|
| 7735 |
qemu_key_check(bs, bdrv_get_device_name(bs)); |
| 7736 |
} |
| 7737 |
} |
| 7738 |
|
| 7739 |
#ifdef HAS_AUDIO
|
| 7740 |
struct soundhw soundhw[] = {
|
| 7741 |
#ifdef HAS_AUDIO_CHOICE
|
| 7742 |
#if defined(TARGET_I386) || defined(TARGET_MIPS)
|
| 7743 |
{
|
| 7744 |
"pcspk",
|
| 7745 |
"PC speaker",
|
| 7746 |
0,
|
| 7747 |
1,
|
| 7748 |
{ .init_isa = pcspk_audio_init }
|
| 7749 |
}, |
| 7750 |
#endif
|
| 7751 |
{
|
| 7752 |
"sb16",
|
| 7753 |
"Creative Sound Blaster 16",
|
| 7754 |
0,
|
| 7755 |
1,
|
| 7756 |
{ .init_isa = SB16_init }
|
| 7757 |
}, |
| 7758 |
|
| 7759 |
#ifdef CONFIG_CS4231A
|
| 7760 |
{
|
| 7761 |
"cs4231a",
|
| 7762 |
"CS4231A",
|
| 7763 |
0,
|
| 7764 |
1,
|
| 7765 |
{ .init_isa = cs4231a_init }
|
| 7766 |
}, |
| 7767 |
#endif
|
| 7768 |
|
| 7769 |
#ifdef CONFIG_ADLIB
|
| 7770 |
{
|
| 7771 |
"adlib",
|
| 7772 |
#ifdef HAS_YMF262
|
| 7773 |
"Yamaha YMF262 (OPL3)",
|
| 7774 |
#else
|
| 7775 |
"Yamaha YM3812 (OPL2)",
|
| 7776 |
#endif
|
| 7777 |
0,
|
| 7778 |
1,
|
| 7779 |
{ .init_isa = Adlib_init }
|
| 7780 |
}, |
| 7781 |
#endif
|
| 7782 |
|
| 7783 |
#ifdef CONFIG_GUS
|
| 7784 |
{
|
| 7785 |
"gus",
|
| 7786 |
"Gravis Ultrasound GF1",
|
| 7787 |
0,
|
| 7788 |
1,
|
| 7789 |
{ .init_isa = GUS_init }
|
| 7790 |
}, |
| 7791 |
#endif
|
| 7792 |
|
| 7793 |
#ifdef CONFIG_AC97
|
| 7794 |
{
|
| 7795 |
"ac97",
|
| 7796 |
"Intel 82801AA AC97 Audio",
|
| 7797 |
0,
|
| 7798 |
0,
|
| 7799 |
{ .init_pci = ac97_init }
|
| 7800 |
}, |
| 7801 |
#endif
|
| 7802 |
|
| 7803 |
{
|
| 7804 |
"es1370",
|
| 7805 |
"ENSONIQ AudioPCI ES1370",
|
| 7806 |
0,
|
| 7807 |
0,
|
| 7808 |
{ .init_pci = es1370_init }
|
| 7809 |
}, |
| 7810 |
#endif
|
| 7811 |
|
| 7812 |
{ NULL, NULL, 0, 0, { NULL } }
|
| 7813 |
}; |
| 7814 |
|
| 7815 |
static void select_soundhw (const char *optarg) |
| 7816 |
{
|
| 7817 |
struct soundhw *c;
|
| 7818 |
|
| 7819 |
if (*optarg == '?') { |
| 7820 |
show_valid_cards:
|
| 7821 |
|
| 7822 |
printf ("Valid sound card names (comma separated):\n");
|
| 7823 |
for (c = soundhw; c->name; ++c) {
|
| 7824 |
printf ("%-11s %s\n", c->name, c->descr);
|
| 7825 |
} |
| 7826 |
printf ("\n-soundhw all will enable all of the above\n");
|
| 7827 |
exit (*optarg != '?');
|
| 7828 |
} |
| 7829 |
else {
|
| 7830 |
size_t l; |
| 7831 |
const char *p; |
| 7832 |
char *e;
|
| 7833 |
int bad_card = 0; |
| 7834 |
|
| 7835 |
if (!strcmp (optarg, "all")) { |
| 7836 |
for (c = soundhw; c->name; ++c) {
|
| 7837 |
c->enabled = 1;
|
| 7838 |
} |
| 7839 |
return;
|
| 7840 |
} |
| 7841 |
|
| 7842 |
p = optarg; |
| 7843 |
while (*p) {
|
| 7844 |
e = strchr (p, ',');
|
| 7845 |
l = !e ? strlen (p) : (size_t) (e - p); |
| 7846 |
|
| 7847 |
for (c = soundhw; c->name; ++c) {
|
| 7848 |
if (!strncmp (c->name, p, l)) {
|
| 7849 |
c->enabled = 1;
|
| 7850 |
break;
|
| 7851 |
} |
| 7852 |
} |
| 7853 |
|
| 7854 |
if (!c->name) {
|
| 7855 |
if (l > 80) { |
| 7856 |
fprintf (stderr, |
| 7857 |
"Unknown sound card name (too big to show)\n");
|
| 7858 |
} |
| 7859 |
else {
|
| 7860 |
fprintf (stderr, "Unknown sound card name `%.*s'\n",
|
| 7861 |
(int) l, p);
|
| 7862 |
} |
| 7863 |
bad_card = 1;
|
| 7864 |
} |
| 7865 |
p += l + (e != NULL);
|
| 7866 |
} |
| 7867 |
|
| 7868 |
if (bad_card)
|
| 7869 |
goto show_valid_cards;
|
| 7870 |
} |
| 7871 |
} |
| 7872 |
#endif
|
| 7873 |
|
| 7874 |
#ifdef _WIN32
|
| 7875 |
static BOOL WINAPI qemu_ctrl_handler(DWORD type)
|
| 7876 |
{
|
| 7877 |
exit(STATUS_CONTROL_C_EXIT); |
| 7878 |
return TRUE;
|
| 7879 |
} |
| 7880 |
#endif
|
| 7881 |
|
| 7882 |
#define MAX_NET_CLIENTS 32 |
| 7883 |
|
| 7884 |
int main(int argc, char **argv) |
| 7885 |
{
|
| 7886 |
#ifdef CONFIG_GDBSTUB
|
| 7887 |
int use_gdbstub;
|
| 7888 |
const char *gdbstub_port; |
| 7889 |
#endif
|
| 7890 |
uint32_t boot_devices_bitmap = 0;
|
| 7891 |
int i;
|
| 7892 |
int snapshot, linux_boot, net_boot;
|
| 7893 |
const char *initrd_filename; |
| 7894 |
const char *kernel_filename, *kernel_cmdline; |
| 7895 |
const char *boot_devices = ""; |
| 7896 |
DisplayState *ds = &display_state; |
| 7897 |
int cyls, heads, secs, translation;
|
| 7898 |
const char *net_clients[MAX_NET_CLIENTS]; |
| 7899 |
int nb_net_clients;
|
| 7900 |
int hda_index;
|
| 7901 |
int optind;
|
| 7902 |
const char *r, *optarg; |
| 7903 |
CharDriverState *monitor_hd; |
| 7904 |
const char *monitor_device; |
| 7905 |
const char *serial_devices[MAX_SERIAL_PORTS]; |
| 7906 |
int serial_device_index;
|
| 7907 |
const char *parallel_devices[MAX_PARALLEL_PORTS]; |
| 7908 |
int parallel_device_index;
|
| 7909 |
const char *loadvm = NULL; |
| 7910 |
QEMUMachine *machine; |
| 7911 |
const char *cpu_model; |
| 7912 |
const char *usb_devices[MAX_USB_CMDLINE]; |
| 7913 |
int usb_devices_index;
|
| 7914 |
int fds[2]; |
| 7915 |
int tb_size;
|
| 7916 |
const char *pid_file = NULL; |
| 7917 |
VLANState *vlan; |
| 7918 |
|
| 7919 |
LIST_INIT (&vm_change_state_head); |
| 7920 |
#ifndef _WIN32
|
| 7921 |
{
|
| 7922 |
struct sigaction act;
|
| 7923 |
sigfillset(&act.sa_mask); |
| 7924 |
act.sa_flags = 0;
|
| 7925 |
act.sa_handler = SIG_IGN; |
| 7926 |
sigaction(SIGPIPE, &act, NULL);
|
| 7927 |
} |
| 7928 |
#else
|
| 7929 |
SetConsoleCtrlHandler(qemu_ctrl_handler, TRUE); |
| 7930 |
/* Note: cpu_interrupt() is currently not SMP safe, so we force
|
| 7931 |
QEMU to run on a single CPU */
|
| 7932 |
{
|
| 7933 |
HANDLE h; |
| 7934 |
DWORD mask, smask; |
| 7935 |
int i;
|
| 7936 |
h = GetCurrentProcess(); |
| 7937 |
if (GetProcessAffinityMask(h, &mask, &smask)) {
|
| 7938 |
for(i = 0; i < 32; i++) { |
| 7939 |
if (mask & (1 << i)) |
| 7940 |
break;
|
| 7941 |
} |
| 7942 |
if (i != 32) { |
| 7943 |
mask = 1 << i;
|
| 7944 |
SetProcessAffinityMask(h, mask); |
| 7945 |
} |
| 7946 |
} |
| 7947 |
} |
| 7948 |
#endif
|
| 7949 |
|
| 7950 |
register_machines(); |
| 7951 |
machine = first_machine; |
| 7952 |
cpu_model = NULL;
|
| 7953 |
initrd_filename = NULL;
|
| 7954 |
ram_size = 0;
|
| 7955 |
vga_ram_size = VGA_RAM_SIZE; |
| 7956 |
#ifdef CONFIG_GDBSTUB
|
| 7957 |
use_gdbstub = 0;
|
| 7958 |
gdbstub_port = DEFAULT_GDBSTUB_PORT; |
| 7959 |
#endif
|
| 7960 |
snapshot = 0;
|
| 7961 |
nographic = 0;
|
| 7962 |
curses = 0;
|
| 7963 |
kernel_filename = NULL;
|
| 7964 |
kernel_cmdline = "";
|
| 7965 |
cyls = heads = secs = 0;
|
| 7966 |
translation = BIOS_ATA_TRANSLATION_AUTO; |
| 7967 |
monitor_device = "vc";
|
| 7968 |
|
| 7969 |
serial_devices[0] = "vc:80Cx24C"; |
| 7970 |
for(i = 1; i < MAX_SERIAL_PORTS; i++) |
| 7971 |
serial_devices[i] = NULL;
|
| 7972 |
serial_device_index = 0;
|
| 7973 |
|
| 7974 |
parallel_devices[0] = "vc:640x480"; |
| 7975 |
for(i = 1; i < MAX_PARALLEL_PORTS; i++) |
| 7976 |
parallel_devices[i] = NULL;
|
| 7977 |
parallel_device_index = 0;
|
| 7978 |
|
| 7979 |
usb_devices_index = 0;
|
| 7980 |
|
| 7981 |
nb_net_clients = 0;
|
| 7982 |
nb_drives = 0;
|
| 7983 |
nb_drives_opt = 0;
|
| 7984 |
hda_index = -1;
|
| 7985 |
|
| 7986 |
nb_nics = 0;
|
| 7987 |
|
| 7988 |
tb_size = 0;
|
| 7989 |
|
| 7990 |
optind = 1;
|
| 7991 |
for(;;) {
|
| 7992 |
if (optind >= argc)
|
| 7993 |
break;
|
| 7994 |
r = argv[optind]; |
| 7995 |
if (r[0] != '-') { |
| 7996 |
hda_index = drive_add(argv[optind++], HD_ALIAS, 0);
|
| 7997 |
} else {
|
| 7998 |
const QEMUOption *popt;
|
| 7999 |
|
| 8000 |
optind++; |
| 8001 |
/* Treat --foo the same as -foo. */
|
| 8002 |
if (r[1] == '-') |
| 8003 |
r++; |
| 8004 |
popt = qemu_options; |
| 8005 |
for(;;) {
|
| 8006 |
if (!popt->name) {
|
| 8007 |
fprintf(stderr, "%s: invalid option -- '%s'\n",
|
| 8008 |
argv[0], r);
|
| 8009 |
exit(1);
|
| 8010 |
} |
| 8011 |
if (!strcmp(popt->name, r + 1)) |
| 8012 |
break;
|
| 8013 |
popt++; |
| 8014 |
} |
| 8015 |
if (popt->flags & HAS_ARG) {
|
| 8016 |
if (optind >= argc) {
|
| 8017 |
fprintf(stderr, "%s: option '%s' requires an argument\n",
|
| 8018 |
argv[0], r);
|
| 8019 |
exit(1);
|
| 8020 |
} |
| 8021 |
optarg = argv[optind++]; |
| 8022 |
} else {
|
| 8023 |
optarg = NULL;
|
| 8024 |
} |
| 8025 |
|
| 8026 |
switch(popt->index) {
|
| 8027 |
case QEMU_OPTION_M:
|
| 8028 |
machine = find_machine(optarg); |
| 8029 |
if (!machine) {
|
| 8030 |
QEMUMachine *m; |
| 8031 |
printf("Supported machines are:\n");
|
| 8032 |
for(m = first_machine; m != NULL; m = m->next) { |
| 8033 |
printf("%-10s %s%s\n",
|
| 8034 |
m->name, m->desc, |
| 8035 |
m == first_machine ? " (default)" : ""); |
| 8036 |
} |
| 8037 |
exit(*optarg != '?');
|
| 8038 |
} |
| 8039 |
break;
|
| 8040 |
case QEMU_OPTION_cpu:
|
| 8041 |
/* hw initialization will check this */
|
| 8042 |
if (*optarg == '?') { |
| 8043 |
/* XXX: implement xxx_cpu_list for targets that still miss it */
|
| 8044 |
#if defined(cpu_list)
|
| 8045 |
cpu_list(stdout, &fprintf); |
| 8046 |
#endif
|
| 8047 |
exit(0);
|
| 8048 |
} else {
|
| 8049 |
cpu_model = optarg; |
| 8050 |
} |
| 8051 |
break;
|
| 8052 |
case QEMU_OPTION_initrd:
|
| 8053 |
initrd_filename = optarg; |
| 8054 |
break;
|
| 8055 |
case QEMU_OPTION_hda:
|
| 8056 |
if (cyls == 0) |
| 8057 |
hda_index = drive_add(optarg, HD_ALIAS, 0);
|
| 8058 |
else
|
| 8059 |
hda_index = drive_add(optarg, HD_ALIAS |
| 8060 |
",cyls=%d,heads=%d,secs=%d%s",
|
| 8061 |
0, cyls, heads, secs,
|
| 8062 |
translation == BIOS_ATA_TRANSLATION_LBA ? |
| 8063 |
",trans=lba" :
|
| 8064 |
translation == BIOS_ATA_TRANSLATION_NONE ? |
| 8065 |
",trans=none" : ""); |
| 8066 |
break;
|
| 8067 |
case QEMU_OPTION_hdb:
|
| 8068 |
case QEMU_OPTION_hdc:
|
| 8069 |
case QEMU_OPTION_hdd:
|
| 8070 |
drive_add(optarg, HD_ALIAS, popt->index - QEMU_OPTION_hda); |
| 8071 |
break;
|
| 8072 |
case QEMU_OPTION_drive:
|
| 8073 |
drive_add(NULL, "%s", optarg); |
| 8074 |
break;
|
| 8075 |
case QEMU_OPTION_mtdblock:
|
| 8076 |
drive_add(optarg, MTD_ALIAS); |
| 8077 |
break;
|
| 8078 |
case QEMU_OPTION_sd:
|
| 8079 |
drive_add(optarg, SD_ALIAS); |
| 8080 |
break;
|
| 8081 |
case QEMU_OPTION_pflash:
|
| 8082 |
drive_add(optarg, PFLASH_ALIAS); |
| 8083 |
break;
|
| 8084 |
case QEMU_OPTION_snapshot:
|
| 8085 |
snapshot = 1;
|
| 8086 |
break;
|
| 8087 |
case QEMU_OPTION_hdachs:
|
| 8088 |
{
|
| 8089 |
const char *p; |
| 8090 |
p = optarg; |
| 8091 |
cyls = strtol(p, (char **)&p, 0); |
| 8092 |
if (cyls < 1 || cyls > 16383) |
| 8093 |
goto chs_fail;
|
| 8094 |
if (*p != ',') |
| 8095 |
goto chs_fail;
|
| 8096 |
p++; |
| 8097 |
heads = strtol(p, (char **)&p, 0); |
| 8098 |
if (heads < 1 || heads > 16) |
| 8099 |
goto chs_fail;
|
| 8100 |
if (*p != ',') |
| 8101 |
goto chs_fail;
|
| 8102 |
p++; |
| 8103 |
secs = strtol(p, (char **)&p, 0); |
| 8104 |
if (secs < 1 || secs > 63) |
| 8105 |
goto chs_fail;
|
| 8106 |
if (*p == ',') { |
| 8107 |
p++; |
| 8108 |
if (!strcmp(p, "none")) |
| 8109 |
translation = BIOS_ATA_TRANSLATION_NONE; |
| 8110 |
else if (!strcmp(p, "lba")) |
| 8111 |
translation = BIOS_ATA_TRANSLATION_LBA; |
| 8112 |
else if (!strcmp(p, "auto")) |
| 8113 |
translation = BIOS_ATA_TRANSLATION_AUTO; |
| 8114 |
else
|
| 8115 |
goto chs_fail;
|
| 8116 |
} else if (*p != '\0') { |
| 8117 |
chs_fail:
|
| 8118 |
fprintf(stderr, "qemu: invalid physical CHS format\n");
|
| 8119 |
exit(1);
|
| 8120 |
} |
| 8121 |
if (hda_index != -1) |
| 8122 |
snprintf(drives_opt[hda_index].opt, |
| 8123 |
sizeof(drives_opt[hda_index].opt),
|
| 8124 |
HD_ALIAS ",cyls=%d,heads=%d,secs=%d%s",
|
| 8125 |
0, cyls, heads, secs,
|
| 8126 |
translation == BIOS_ATA_TRANSLATION_LBA ? |
| 8127 |
",trans=lba" :
|
| 8128 |
translation == BIOS_ATA_TRANSLATION_NONE ? |
| 8129 |
",trans=none" : ""); |
| 8130 |
} |
| 8131 |
break;
|
| 8132 |
case QEMU_OPTION_nographic:
|
| 8133 |
serial_devices[0] = "stdio"; |
| 8134 |
parallel_devices[0] = "null"; |
| 8135 |
monitor_device = "stdio";
|
| 8136 |
nographic = 1;
|
| 8137 |
break;
|
| 8138 |
#ifdef CONFIG_CURSES
|
| 8139 |
case QEMU_OPTION_curses:
|
| 8140 |
curses = 1;
|
| 8141 |
break;
|
| 8142 |
#endif
|
| 8143 |
case QEMU_OPTION_portrait:
|
| 8144 |
graphic_rotate = 1;
|
| 8145 |
break;
|
| 8146 |
case QEMU_OPTION_kernel:
|
| 8147 |
kernel_filename = optarg; |
| 8148 |
break;
|
| 8149 |
case QEMU_OPTION_append:
|
| 8150 |
kernel_cmdline = optarg; |
| 8151 |
break;
|
| 8152 |
case QEMU_OPTION_cdrom:
|
| 8153 |
drive_add(optarg, CDROM_ALIAS); |
| 8154 |
break;
|
| 8155 |
case QEMU_OPTION_boot:
|
| 8156 |
boot_devices = optarg; |
| 8157 |
/* We just do some generic consistency checks */
|
| 8158 |
{
|
| 8159 |
/* Could easily be extended to 64 devices if needed */
|
| 8160 |
const char *p; |
| 8161 |
|
| 8162 |
boot_devices_bitmap = 0;
|
| 8163 |
for (p = boot_devices; *p != '\0'; p++) { |
| 8164 |
/* Allowed boot devices are:
|
| 8165 |
* a b : floppy disk drives
|
| 8166 |
* c ... f : IDE disk drives
|
| 8167 |
* g ... m : machine implementation dependant drives
|
| 8168 |
* n ... p : network devices
|
| 8169 |
* It's up to each machine implementation to check
|
| 8170 |
* if the given boot devices match the actual hardware
|
| 8171 |
* implementation and firmware features.
|
| 8172 |
*/
|
| 8173 |
if (*p < 'a' || *p > 'q') { |
| 8174 |
fprintf(stderr, "Invalid boot device '%c'\n", *p);
|
| 8175 |
exit(1);
|
| 8176 |
} |
| 8177 |
if (boot_devices_bitmap & (1 << (*p - 'a'))) { |
| 8178 |
fprintf(stderr, |
| 8179 |
"Boot device '%c' was given twice\n",*p);
|
| 8180 |
exit(1);
|
| 8181 |
} |
| 8182 |
boot_devices_bitmap |= 1 << (*p - 'a'); |
| 8183 |
} |
| 8184 |
} |
| 8185 |
break;
|
| 8186 |
case QEMU_OPTION_fda:
|
| 8187 |
case QEMU_OPTION_fdb:
|
| 8188 |
drive_add(optarg, FD_ALIAS, popt->index - QEMU_OPTION_fda); |
| 8189 |
break;
|
| 8190 |
#ifdef TARGET_I386
|
| 8191 |
case QEMU_OPTION_no_fd_bootchk:
|
| 8192 |
fd_bootchk = 0;
|
| 8193 |
break;
|
| 8194 |
#endif
|
| 8195 |
case QEMU_OPTION_net:
|
| 8196 |
if (nb_net_clients >= MAX_NET_CLIENTS) {
|
| 8197 |
fprintf(stderr, "qemu: too many network clients\n");
|
| 8198 |
exit(1);
|
| 8199 |
} |
| 8200 |
net_clients[nb_net_clients] = optarg; |
| 8201 |
nb_net_clients++; |
| 8202 |
break;
|
| 8203 |
#ifdef CONFIG_SLIRP
|
| 8204 |
case QEMU_OPTION_tftp:
|
| 8205 |
tftp_prefix = optarg; |
| 8206 |
break;
|
| 8207 |
case QEMU_OPTION_bootp:
|
| 8208 |
bootp_filename = optarg; |
| 8209 |
break;
|
| 8210 |
#ifndef _WIN32
|
| 8211 |
case QEMU_OPTION_smb:
|
| 8212 |
net_slirp_smb(optarg); |
| 8213 |
break;
|
| 8214 |
#endif
|
| 8215 |
case QEMU_OPTION_redir:
|
| 8216 |
net_slirp_redir(optarg); |
| 8217 |
break;
|
| 8218 |
#endif
|
| 8219 |
#ifdef HAS_AUDIO
|
| 8220 |
case QEMU_OPTION_audio_help:
|
| 8221 |
AUD_help (); |
| 8222 |
exit (0);
|
| 8223 |
break;
|
| 8224 |
case QEMU_OPTION_soundhw:
|
| 8225 |
select_soundhw (optarg); |
| 8226 |
break;
|
| 8227 |
#endif
|
| 8228 |
case QEMU_OPTION_h:
|
| 8229 |
help(0);
|
| 8230 |
break;
|
| 8231 |
case QEMU_OPTION_m: {
|
| 8232 |
uint64_t value; |
| 8233 |
char *ptr;
|
| 8234 |
|
| 8235 |
value = strtoul(optarg, &ptr, 10);
|
| 8236 |
switch (*ptr) {
|
| 8237 |
case 0: case 'M': case 'm': |
| 8238 |
value <<= 20;
|
| 8239 |
break;
|
| 8240 |
case 'G': case 'g': |
| 8241 |
value <<= 30;
|
| 8242 |
break;
|
| 8243 |
default:
|
| 8244 |
fprintf(stderr, "qemu: invalid ram size: %s\n", optarg);
|
| 8245 |
exit(1);
|
| 8246 |
} |
| 8247 |
|
| 8248 |
/* On 32-bit hosts, QEMU is limited by virtual address space */
|
| 8249 |
if (value > (2047 << 20) |
| 8250 |
#ifndef USE_KQEMU
|
| 8251 |
&& HOST_LONG_BITS == 32
|
| 8252 |
#endif
|
| 8253 |
) {
|
| 8254 |
fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
|
| 8255 |
exit(1);
|
| 8256 |
} |
| 8257 |
if (value != (uint64_t)(ram_addr_t)value) {
|
| 8258 |
fprintf(stderr, "qemu: ram size too large\n");
|
| 8259 |
exit(1);
|
| 8260 |
} |
| 8261 |
ram_size = value; |
| 8262 |
break;
|
| 8263 |
} |
| 8264 |
case QEMU_OPTION_d:
|
| 8265 |
{
|
| 8266 |
int mask;
|
| 8267 |
CPULogItem *item; |
| 8268 |
|
| 8269 |
mask = cpu_str_to_log_mask(optarg); |
| 8270 |
if (!mask) {
|
| 8271 |
printf("Log items (comma separated):\n");
|
| 8272 |
for(item = cpu_log_items; item->mask != 0; item++) { |
| 8273 |
printf("%-10s %s\n", item->name, item->help);
|
| 8274 |
} |
| 8275 |
exit(1);
|
| 8276 |
} |
| 8277 |
cpu_set_log(mask); |
| 8278 |
} |
| 8279 |
break;
|
| 8280 |
#ifdef CONFIG_GDBSTUB
|
| 8281 |
case QEMU_OPTION_s:
|
| 8282 |
use_gdbstub = 1;
|
| 8283 |
break;
|
| 8284 |
case QEMU_OPTION_p:
|
| 8285 |
gdbstub_port = optarg; |
| 8286 |
break;
|
| 8287 |
#endif
|
| 8288 |
case QEMU_OPTION_L:
|
| 8289 |
bios_dir = optarg; |
| 8290 |
break;
|
| 8291 |
case QEMU_OPTION_bios:
|
| 8292 |
bios_name = optarg; |
| 8293 |
break;
|
| 8294 |
case QEMU_OPTION_S:
|
| 8295 |
autostart = 0;
|
| 8296 |
break;
|
| 8297 |
case QEMU_OPTION_k:
|
| 8298 |
keyboard_layout = optarg; |
| 8299 |
break;
|
| 8300 |
case QEMU_OPTION_localtime:
|
| 8301 |
rtc_utc = 0;
|
| 8302 |
break;
|
| 8303 |
case QEMU_OPTION_cirrusvga:
|
| 8304 |
cirrus_vga_enabled = 1;
|
| 8305 |
vmsvga_enabled = 0;
|
| 8306 |
break;
|
| 8307 |
case QEMU_OPTION_vmsvga:
|
| 8308 |
cirrus_vga_enabled = 0;
|
| 8309 |
vmsvga_enabled = 1;
|
| 8310 |
break;
|
| 8311 |
case QEMU_OPTION_std_vga:
|
| 8312 |
cirrus_vga_enabled = 0;
|
| 8313 |
vmsvga_enabled = 0;
|
| 8314 |
break;
|
| 8315 |
case QEMU_OPTION_g:
|
| 8316 |
{
|
| 8317 |
const char *p; |
| 8318 |
int w, h, depth;
|
| 8319 |
p = optarg; |
| 8320 |
w = strtol(p, (char **)&p, 10); |
| 8321 |
if (w <= 0) { |
| 8322 |
graphic_error:
|
| 8323 |
fprintf(stderr, "qemu: invalid resolution or depth\n");
|
| 8324 |
exit(1);
|
| 8325 |
} |
| 8326 |
if (*p != 'x') |
| 8327 |
goto graphic_error;
|
| 8328 |
p++; |
| 8329 |
h = strtol(p, (char **)&p, 10); |
| 8330 |
if (h <= 0) |
| 8331 |
goto graphic_error;
|
| 8332 |
if (*p == 'x') { |
| 8333 |
p++; |
| 8334 |
depth = strtol(p, (char **)&p, 10); |
| 8335 |
if (depth != 8 && depth != 15 && depth != 16 && |
| 8336 |
depth != 24 && depth != 32) |
| 8337 |
goto graphic_error;
|
| 8338 |
} else if (*p == '\0') { |
| 8339 |
depth = graphic_depth; |
| 8340 |
} else {
|
| 8341 |
goto graphic_error;
|
| 8342 |
} |
| 8343 |
|
| 8344 |
graphic_width = w; |
| 8345 |
graphic_height = h; |
| 8346 |
graphic_depth = depth; |
| 8347 |
} |
| 8348 |
break;
|
| 8349 |
case QEMU_OPTION_echr:
|
| 8350 |
{
|
| 8351 |
char *r;
|
| 8352 |
term_escape_char = strtol(optarg, &r, 0);
|
| 8353 |
if (r == optarg)
|
| 8354 |
printf("Bad argument to echr\n");
|
| 8355 |
break;
|
| 8356 |
} |
| 8357 |
case QEMU_OPTION_monitor:
|
| 8358 |
monitor_device = optarg; |
| 8359 |
break;
|
| 8360 |
case QEMU_OPTION_serial:
|
| 8361 |
if (serial_device_index >= MAX_SERIAL_PORTS) {
|
| 8362 |
fprintf(stderr, "qemu: too many serial ports\n");
|
| 8363 |
exit(1);
|
| 8364 |
} |
| 8365 |
serial_devices[serial_device_index] = optarg; |
| 8366 |
serial_device_index++; |
| 8367 |
break;
|
| 8368 |
case QEMU_OPTION_parallel:
|
| 8369 |
if (parallel_device_index >= MAX_PARALLEL_PORTS) {
|
| 8370 |
fprintf(stderr, "qemu: too many parallel ports\n");
|
| 8371 |
exit(1);
|
| 8372 |
} |
| 8373 |
parallel_devices[parallel_device_index] = optarg; |
| 8374 |
parallel_device_index++; |
| 8375 |
break;
|
| 8376 |
case QEMU_OPTION_loadvm:
|
| 8377 |
loadvm = optarg; |
| 8378 |
break;
|
| 8379 |
case QEMU_OPTION_full_screen:
|
| 8380 |
full_screen = 1;
|
| 8381 |
break;
|
| 8382 |
#ifdef CONFIG_SDL
|
| 8383 |
case QEMU_OPTION_no_frame:
|
| 8384 |
no_frame = 1;
|
| 8385 |
break;
|
| 8386 |
case QEMU_OPTION_alt_grab:
|
| 8387 |
alt_grab = 1;
|
| 8388 |
break;
|
| 8389 |
case QEMU_OPTION_no_quit:
|
| 8390 |
no_quit = 1;
|
| 8391 |
break;
|
| 8392 |
#endif
|
| 8393 |
case QEMU_OPTION_pidfile:
|
| 8394 |
pid_file = optarg; |
| 8395 |
break;
|
| 8396 |
#ifdef TARGET_I386
|
| 8397 |
case QEMU_OPTION_win2k_hack:
|
| 8398 |
win2k_install_hack = 1;
|
| 8399 |
break;
|
| 8400 |
#endif
|
| 8401 |
#ifdef USE_KQEMU
|
| 8402 |
case QEMU_OPTION_no_kqemu:
|
| 8403 |
kqemu_allowed = 0;
|
| 8404 |
break;
|
| 8405 |
case QEMU_OPTION_kernel_kqemu:
|
| 8406 |
kqemu_allowed = 2;
|
| 8407 |
break;
|
| 8408 |
#endif
|
| 8409 |
case QEMU_OPTION_usb:
|
| 8410 |
usb_enabled = 1;
|
| 8411 |
break;
|
| 8412 |
case QEMU_OPTION_usbdevice:
|
| 8413 |
usb_enabled = 1;
|
| 8414 |
if (usb_devices_index >= MAX_USB_CMDLINE) {
|
| 8415 |
fprintf(stderr, "Too many USB devices\n");
|
| 8416 |
exit(1);
|
| 8417 |
} |
| 8418 |
usb_devices[usb_devices_index] = optarg; |
| 8419 |
usb_devices_index++; |
| 8420 |
break;
|
| 8421 |
case QEMU_OPTION_smp:
|
| 8422 |
smp_cpus = atoi(optarg); |
| 8423 |
if (smp_cpus < 1 || smp_cpus > MAX_CPUS) { |
| 8424 |
fprintf(stderr, "Invalid number of CPUs\n");
|
| 8425 |
exit(1);
|
| 8426 |
} |
| 8427 |
break;
|
| 8428 |
case QEMU_OPTION_vnc:
|
| 8429 |
vnc_display = optarg; |
| 8430 |
break;
|
| 8431 |
case QEMU_OPTION_no_acpi:
|
| 8432 |
acpi_enabled = 0;
|
| 8433 |
break;
|
| 8434 |
case QEMU_OPTION_no_reboot:
|
| 8435 |
no_reboot = 1;
|
| 8436 |
break;
|
| 8437 |
case QEMU_OPTION_no_shutdown:
|
| 8438 |
no_shutdown = 1;
|
| 8439 |
break;
|
| 8440 |
case QEMU_OPTION_show_cursor:
|
| 8441 |
cursor_hide = 0;
|
| 8442 |
break;
|
| 8443 |
case QEMU_OPTION_daemonize:
|
| 8444 |
daemonize = 1;
|
| 8445 |
break;
|
| 8446 |
case QEMU_OPTION_option_rom:
|
| 8447 |
if (nb_option_roms >= MAX_OPTION_ROMS) {
|
| 8448 |
fprintf(stderr, "Too many option ROMs\n");
|
| 8449 |
exit(1);
|
| 8450 |
} |
| 8451 |
option_rom[nb_option_roms] = optarg; |
| 8452 |
nb_option_roms++; |
| 8453 |
break;
|
| 8454 |
case QEMU_OPTION_semihosting:
|
| 8455 |
semihosting_enabled = 1;
|
| 8456 |
break;
|
| 8457 |
case QEMU_OPTION_name:
|
| 8458 |
qemu_name = optarg; |
| 8459 |
break;
|
| 8460 |
#ifdef TARGET_SPARC
|
| 8461 |
case QEMU_OPTION_prom_env:
|
| 8462 |
if (nb_prom_envs >= MAX_PROM_ENVS) {
|
| 8463 |
fprintf(stderr, "Too many prom variables\n");
|
| 8464 |
exit(1);
|
| 8465 |
} |
| 8466 |
prom_envs[nb_prom_envs] = optarg; |
| 8467 |
nb_prom_envs++; |
| 8468 |
break;
|
| 8469 |
#endif
|
| 8470 |
#ifdef TARGET_ARM
|
| 8471 |
case QEMU_OPTION_old_param:
|
| 8472 |
old_param = 1;
|
| 8473 |
break;
|
| 8474 |
#endif
|
| 8475 |
case QEMU_OPTION_clock:
|
| 8476 |
configure_alarms(optarg); |
| 8477 |
break;
|
| 8478 |
case QEMU_OPTION_startdate:
|
| 8479 |
{
|
| 8480 |
struct tm tm;
|
| 8481 |
time_t rtc_start_date; |
| 8482 |
if (!strcmp(optarg, "now")) { |
| 8483 |
rtc_date_offset = -1;
|
| 8484 |
} else {
|
| 8485 |
if (sscanf(optarg, "%d-%d-%dT%d:%d:%d", |
| 8486 |
&tm.tm_year, |
| 8487 |
&tm.tm_mon, |
| 8488 |
&tm.tm_mday, |
| 8489 |
&tm.tm_hour, |
| 8490 |
&tm.tm_min, |
| 8491 |
&tm.tm_sec) == 6) {
|
| 8492 |
/* OK */
|
| 8493 |
} else if (sscanf(optarg, "%d-%d-%d", |
| 8494 |
&tm.tm_year, |
| 8495 |
&tm.tm_mon, |
| 8496 |
&tm.tm_mday) == 3) {
|
| 8497 |
tm.tm_hour = 0;
|
| 8498 |
tm.tm_min = 0;
|
| 8499 |
tm.tm_sec = 0;
|
| 8500 |
} else {
|
| 8501 |
goto date_fail;
|
| 8502 |
} |
| 8503 |
tm.tm_year -= 1900;
|
| 8504 |
tm.tm_mon--; |
| 8505 |
rtc_start_date = mktimegm(&tm); |
| 8506 |
if (rtc_start_date == -1) { |
| 8507 |
date_fail:
|
| 8508 |
fprintf(stderr, "Invalid date format. Valid format are:\n"
|
| 8509 |
"'now' or '2006-06-17T16:01:21' or '2006-06-17'\n");
|
| 8510 |
exit(1);
|
| 8511 |
} |
| 8512 |
rtc_date_offset = time(NULL) - rtc_start_date;
|
| 8513 |
} |
| 8514 |
} |
| 8515 |
break;
|
| 8516 |
case QEMU_OPTION_tb_size:
|
| 8517 |
tb_size = strtol(optarg, NULL, 0); |
| 8518 |
if (tb_size < 0) |
| 8519 |
tb_size = 0;
|
| 8520 |
break;
|
| 8521 |
case QEMU_OPTION_icount:
|
| 8522 |
use_icount = 1;
|
| 8523 |
if (strcmp(optarg, "auto") == 0) { |
| 8524 |
icount_time_shift = -1;
|
| 8525 |
} else {
|
| 8526 |
icount_time_shift = strtol(optarg, NULL, 0); |
| 8527 |
} |
| 8528 |
break;
|
| 8529 |
} |
| 8530 |
} |
| 8531 |
} |
| 8532 |
|
| 8533 |
#ifndef _WIN32
|
| 8534 |
if (daemonize && !nographic && vnc_display == NULL) { |
| 8535 |
fprintf(stderr, "Can only daemonize if using -nographic or -vnc\n");
|
| 8536 |
daemonize = 0;
|
| 8537 |
} |
| 8538 |
|
| 8539 |
if (daemonize) {
|
| 8540 |
pid_t pid; |
| 8541 |
|
| 8542 |
if (pipe(fds) == -1) |
| 8543 |
exit(1);
|
| 8544 |
|
| 8545 |
pid = fork(); |
| 8546 |
if (pid > 0) { |
| 8547 |
uint8_t status; |
| 8548 |
ssize_t len; |
| 8549 |
|
| 8550 |
close(fds[1]);
|
| 8551 |
|
| 8552 |
again:
|
| 8553 |
len = read(fds[0], &status, 1); |
| 8554 |
if (len == -1 && (errno == EINTR)) |
| 8555 |
goto again;
|
| 8556 |
|
| 8557 |
if (len != 1) |
| 8558 |
exit(1);
|
| 8559 |
else if (status == 1) { |
| 8560 |
fprintf(stderr, "Could not acquire pidfile\n");
|
| 8561 |
exit(1);
|
| 8562 |
} else
|
| 8563 |
exit(0);
|
| 8564 |
} else if (pid < 0) |
| 8565 |
exit(1);
|
| 8566 |
|
| 8567 |
setsid(); |
| 8568 |
|
| 8569 |
pid = fork(); |
| 8570 |
if (pid > 0) |
| 8571 |
exit(0);
|
| 8572 |
else if (pid < 0) |
| 8573 |
exit(1);
|
| 8574 |
|
| 8575 |
umask(027);
|
| 8576 |
chdir("/");
|
| 8577 |
|
| 8578 |
signal(SIGTSTP, SIG_IGN); |
| 8579 |
signal(SIGTTOU, SIG_IGN); |
| 8580 |
signal(SIGTTIN, SIG_IGN); |
| 8581 |
} |
| 8582 |
#endif
|
| 8583 |
|
| 8584 |
if (pid_file && qemu_create_pidfile(pid_file) != 0) { |
| 8585 |
if (daemonize) {
|
| 8586 |
uint8_t status = 1;
|
| 8587 |
write(fds[1], &status, 1); |
| 8588 |
} else
|
| 8589 |
fprintf(stderr, "Could not acquire pid file\n");
|
| 8590 |
exit(1);
|
| 8591 |
} |
| 8592 |
|
| 8593 |
#ifdef USE_KQEMU
|
| 8594 |
if (smp_cpus > 1) |
| 8595 |
kqemu_allowed = 0;
|
| 8596 |
#endif
|
| 8597 |
linux_boot = (kernel_filename != NULL);
|
| 8598 |
net_boot = (boot_devices_bitmap >> ('n' - 'a')) & 0xF; |
| 8599 |
|
| 8600 |
/* XXX: this should not be: some embedded targets just have flash */
|
| 8601 |
if (!linux_boot && net_boot == 0 && |
| 8602 |
nb_drives_opt == 0)
|
| 8603 |
help(1);
|
| 8604 |
|
| 8605 |
if (!linux_boot && *kernel_cmdline != '\0') { |
| 8606 |
fprintf(stderr, "-append only allowed with -kernel option\n");
|
| 8607 |
exit(1);
|
| 8608 |
} |
| 8609 |
|
| 8610 |
if (!linux_boot && initrd_filename != NULL) { |
| 8611 |
fprintf(stderr, "-initrd only allowed with -kernel option\n");
|
| 8612 |
exit(1);
|
| 8613 |
} |
| 8614 |
|
| 8615 |
/* boot to floppy or the default cd if no hard disk defined yet */
|
| 8616 |
if (!boot_devices[0]) { |
| 8617 |
boot_devices = "cad";
|
| 8618 |
} |
| 8619 |
setvbuf(stdout, NULL, _IOLBF, 0); |
| 8620 |
|
| 8621 |
init_timers(); |
| 8622 |
init_timer_alarm(); |
| 8623 |
qemu_aio_init(); |
| 8624 |
if (use_icount && icount_time_shift < 0) { |
| 8625 |
use_icount = 2;
|
| 8626 |
/* 125MIPS seems a reasonable initial guess at the guest speed.
|
| 8627 |
It will be corrected fairly quickly anyway. */
|
| 8628 |
icount_time_shift = 3;
|
| 8629 |
init_icount_adjust(); |
| 8630 |
} |
| 8631 |
|
| 8632 |
#ifdef _WIN32
|
| 8633 |
socket_init(); |
| 8634 |
#endif
|
| 8635 |
|
| 8636 |
/* init network clients */
|
| 8637 |
if (nb_net_clients == 0) { |
| 8638 |
/* if no clients, we use a default config */
|
| 8639 |
net_clients[0] = "nic"; |
| 8640 |
net_clients[1] = "user"; |
| 8641 |
nb_net_clients = 2;
|
| 8642 |
} |
| 8643 |
|
| 8644 |
for(i = 0;i < nb_net_clients; i++) { |
| 8645 |
if (net_client_init(net_clients[i]) < 0) |
| 8646 |
exit(1);
|
| 8647 |
} |
| 8648 |
for(vlan = first_vlan; vlan != NULL; vlan = vlan->next) { |
| 8649 |
if (vlan->nb_guest_devs == 0 && vlan->nb_host_devs == 0) |
| 8650 |
continue;
|
| 8651 |
if (vlan->nb_guest_devs == 0) { |
| 8652 |
fprintf(stderr, "Invalid vlan (%d) with no nics\n", vlan->id);
|
| 8653 |
exit(1);
|
| 8654 |
} |
| 8655 |
if (vlan->nb_host_devs == 0) |
| 8656 |
fprintf(stderr, |
| 8657 |
"Warning: vlan %d is not connected to host network\n",
|
| 8658 |
vlan->id); |
| 8659 |
} |
| 8660 |
|
| 8661 |
#ifdef TARGET_I386
|
| 8662 |
/* XXX: this should be moved in the PC machine instantiation code */
|
| 8663 |
if (net_boot != 0) { |
| 8664 |
int netroms = 0; |
| 8665 |
for (i = 0; i < nb_nics && i < 4; i++) { |
| 8666 |
const char *model = nd_table[i].model; |
| 8667 |
char buf[1024]; |
| 8668 |
if (net_boot & (1 << i)) { |
| 8669 |
if (model == NULL) |
| 8670 |
model = "ne2k_pci";
|
| 8671 |
snprintf(buf, sizeof(buf), "%s/pxe-%s.bin", bios_dir, model); |
| 8672 |
if (get_image_size(buf) > 0) { |
| 8673 |
if (nb_option_roms >= MAX_OPTION_ROMS) {
|
| 8674 |
fprintf(stderr, "Too many option ROMs\n");
|
| 8675 |
exit(1);
|
| 8676 |
} |
| 8677 |
option_rom[nb_option_roms] = strdup(buf); |
| 8678 |
nb_option_roms++; |
| 8679 |
netroms++; |
| 8680 |
} |
| 8681 |
} |
| 8682 |
} |
| 8683 |
if (netroms == 0) { |
| 8684 |
fprintf(stderr, "No valid PXE rom found for network device\n");
|
| 8685 |
exit(1);
|
| 8686 |
} |
| 8687 |
} |
| 8688 |
#endif
|
| 8689 |
|
| 8690 |
/* init the memory */
|
| 8691 |
phys_ram_size = machine->ram_require & ~RAMSIZE_FIXED; |
| 8692 |
|
| 8693 |
if (machine->ram_require & RAMSIZE_FIXED) {
|
| 8694 |
if (ram_size > 0) { |
| 8695 |
if (ram_size < phys_ram_size) {
|
| 8696 |
fprintf(stderr, "Machine `%s' requires %llu bytes of memory\n",
|
| 8697 |
machine->name, (unsigned long long) phys_ram_size); |
| 8698 |
exit(-1);
|
| 8699 |
} |
| 8700 |
|
| 8701 |
phys_ram_size = ram_size; |
| 8702 |
} else
|
| 8703 |
ram_size = phys_ram_size; |
| 8704 |
} else {
|
| 8705 |
if (ram_size == 0) |
| 8706 |
ram_size = DEFAULT_RAM_SIZE * 1024 * 1024; |
| 8707 |
|
| 8708 |
phys_ram_size += ram_size; |
| 8709 |
} |
| 8710 |
|
| 8711 |
phys_ram_base = qemu_vmalloc(phys_ram_size); |
| 8712 |
if (!phys_ram_base) {
|
| 8713 |
fprintf(stderr, "Could not allocate physical memory\n");
|
| 8714 |
exit(1);
|
| 8715 |
} |
| 8716 |
|
| 8717 |
/* init the dynamic translator */
|
| 8718 |
cpu_exec_init_all(tb_size * 1024 * 1024); |
| 8719 |
|
| 8720 |
bdrv_init(); |
| 8721 |
|
| 8722 |
/* we always create the cdrom drive, even if no disk is there */
|
| 8723 |
|
| 8724 |
if (nb_drives_opt < MAX_DRIVES)
|
| 8725 |
drive_add(NULL, CDROM_ALIAS);
|
| 8726 |
|
| 8727 |
/* we always create at least one floppy */
|
| 8728 |
|
| 8729 |
if (nb_drives_opt < MAX_DRIVES)
|
| 8730 |
drive_add(NULL, FD_ALIAS, 0); |
| 8731 |
|
| 8732 |
/* we always create one sd slot, even if no card is in it */
|
| 8733 |
|
| 8734 |
if (nb_drives_opt < MAX_DRIVES)
|
| 8735 |
drive_add(NULL, SD_ALIAS);
|
| 8736 |
|
| 8737 |
/* open the virtual block devices */
|
| 8738 |
|
| 8739 |
for(i = 0; i < nb_drives_opt; i++) |
| 8740 |
if (drive_init(&drives_opt[i], snapshot, machine) == -1) |
| 8741 |
exit(1);
|
| 8742 |
|
| 8743 |
register_savevm("timer", 0, 2, timer_save, timer_load, NULL); |
| 8744 |
register_savevm("ram", 0, 2, ram_save, ram_load, NULL); |
| 8745 |
|
| 8746 |
init_ioports(); |
| 8747 |
|
| 8748 |
/* terminal init */
|
| 8749 |
memset(&display_state, 0, sizeof(display_state)); |
| 8750 |
if (nographic) {
|
| 8751 |
if (curses) {
|
| 8752 |
fprintf(stderr, "fatal: -nographic can't be used with -curses\n");
|
| 8753 |
exit(1);
|
| 8754 |
} |
| 8755 |
/* nearly nothing to do */
|
| 8756 |
dumb_display_init(ds); |
| 8757 |
} else if (vnc_display != NULL) { |
| 8758 |
vnc_display_init(ds); |
| 8759 |
if (vnc_display_open(ds, vnc_display) < 0) |
| 8760 |
exit(1);
|
| 8761 |
} else
|
| 8762 |
#if defined(CONFIG_CURSES)
|
| 8763 |
if (curses) {
|
| 8764 |
curses_display_init(ds, full_screen); |
| 8765 |
} else
|
| 8766 |
#endif
|
| 8767 |
{
|
| 8768 |
#if defined(CONFIG_SDL)
|
| 8769 |
sdl_display_init(ds, full_screen, no_frame); |
| 8770 |
#elif defined(CONFIG_COCOA)
|
| 8771 |
cocoa_display_init(ds, full_screen); |
| 8772 |
#else
|
| 8773 |
dumb_display_init(ds); |
| 8774 |
#endif
|
| 8775 |
} |
| 8776 |
|
| 8777 |
/* Maintain compatibility with multiple stdio monitors */
|
| 8778 |
if (!strcmp(monitor_device,"stdio")) { |
| 8779 |
for (i = 0; i < MAX_SERIAL_PORTS; i++) { |
| 8780 |
const char *devname = serial_devices[i]; |
| 8781 |
if (devname && !strcmp(devname,"mon:stdio")) { |
| 8782 |
monitor_device = NULL;
|
| 8783 |
break;
|
| 8784 |
} else if (devname && !strcmp(devname,"stdio")) { |
| 8785 |
monitor_device = NULL;
|
| 8786 |
serial_devices[i] = "mon:stdio";
|
| 8787 |
break;
|
| 8788 |
} |
| 8789 |
} |
| 8790 |
} |
| 8791 |
if (monitor_device) {
|
| 8792 |
monitor_hd = qemu_chr_open(monitor_device); |
| 8793 |
if (!monitor_hd) {
|
| 8794 |
fprintf(stderr, "qemu: could not open monitor device '%s'\n", monitor_device);
|
| 8795 |
exit(1);
|
| 8796 |
} |
| 8797 |
monitor_init(monitor_hd, !nographic); |
| 8798 |
} |
| 8799 |
|
| 8800 |
for(i = 0; i < MAX_SERIAL_PORTS; i++) { |
| 8801 |
const char *devname = serial_devices[i]; |
| 8802 |
if (devname && strcmp(devname, "none")) { |
| 8803 |
serial_hds[i] = qemu_chr_open(devname); |
| 8804 |
if (!serial_hds[i]) {
|
| 8805 |
fprintf(stderr, "qemu: could not open serial device '%s'\n",
|
| 8806 |
devname); |
| 8807 |
exit(1);
|
| 8808 |
} |
| 8809 |
if (strstart(devname, "vc", 0)) |
| 8810 |
qemu_chr_printf(serial_hds[i], "serial%d console\r\n", i);
|
| 8811 |
} |
| 8812 |
} |
| 8813 |
|
| 8814 |
for(i = 0; i < MAX_PARALLEL_PORTS; i++) { |
| 8815 |
const char *devname = parallel_devices[i]; |
| 8816 |
if (devname && strcmp(devname, "none")) { |
| 8817 |
parallel_hds[i] = qemu_chr_open(devname); |
| 8818 |
if (!parallel_hds[i]) {
|
| 8819 |
fprintf(stderr, "qemu: could not open parallel device '%s'\n",
|
| 8820 |
devname); |
| 8821 |
exit(1);
|
| 8822 |
} |
| 8823 |
if (strstart(devname, "vc", 0)) |
| 8824 |
qemu_chr_printf(parallel_hds[i], "parallel%d console\r\n", i);
|
| 8825 |
} |
| 8826 |
} |
| 8827 |
|
| 8828 |
machine->init(ram_size, vga_ram_size, boot_devices, ds, |
| 8829 |
kernel_filename, kernel_cmdline, initrd_filename, cpu_model); |
| 8830 |
|
| 8831 |
/* init USB devices */
|
| 8832 |
if (usb_enabled) {
|
| 8833 |
for(i = 0; i < usb_devices_index; i++) { |
| 8834 |
if (usb_device_add(usb_devices[i]) < 0) { |
| 8835 |
fprintf(stderr, "Warning: could not add USB device %s\n",
|
| 8836 |
usb_devices[i]); |
| 8837 |
} |
| 8838 |
} |
| 8839 |
} |
| 8840 |
|
| 8841 |
if (display_state.dpy_refresh) {
|
| 8842 |
display_state.gui_timer = qemu_new_timer(rt_clock, gui_update, &display_state); |
| 8843 |
qemu_mod_timer(display_state.gui_timer, qemu_get_clock(rt_clock)); |
| 8844 |
} |
| 8845 |
|
| 8846 |
#ifdef CONFIG_GDBSTUB
|
| 8847 |
if (use_gdbstub) {
|
| 8848 |
/* XXX: use standard host:port notation and modify options
|
| 8849 |
accordingly. */
|
| 8850 |
if (gdbserver_start(gdbstub_port) < 0) { |
| 8851 |
fprintf(stderr, "qemu: could not open gdbstub device on port '%s'\n",
|
| 8852 |
gdbstub_port); |
| 8853 |
exit(1);
|
| 8854 |
} |
| 8855 |
} |
| 8856 |
#endif
|
| 8857 |
|
| 8858 |
if (loadvm)
|
| 8859 |
do_loadvm(loadvm); |
| 8860 |
|
| 8861 |
{
|
| 8862 |
/* XXX: simplify init */
|
| 8863 |
read_passwords(); |
| 8864 |
if (autostart) {
|
| 8865 |
vm_start(); |
| 8866 |
} |
| 8867 |
} |
| 8868 |
|
| 8869 |
if (daemonize) {
|
| 8870 |
uint8_t status = 0;
|
| 8871 |
ssize_t len; |
| 8872 |
int fd;
|
| 8873 |
|
| 8874 |
again1:
|
| 8875 |
len = write(fds[1], &status, 1); |
| 8876 |
if (len == -1 && (errno == EINTR)) |
| 8877 |
goto again1;
|
| 8878 |
|
| 8879 |
if (len != 1) |
| 8880 |
exit(1);
|
| 8881 |
|
| 8882 |
TFR(fd = open("/dev/null", O_RDWR));
|
| 8883 |
if (fd == -1) |
| 8884 |
exit(1);
|
| 8885 |
|
| 8886 |
dup2(fd, 0);
|
| 8887 |
dup2(fd, 1);
|
| 8888 |
dup2(fd, 2);
|
| 8889 |
|
| 8890 |
close(fd); |
| 8891 |
} |
| 8892 |
|
| 8893 |
main_loop(); |
| 8894 |
quit_timers(); |
| 8895 |
|
| 8896 |
#if !defined(_WIN32)
|
| 8897 |
/* close network clients */
|
| 8898 |
for(vlan = first_vlan; vlan != NULL; vlan = vlan->next) { |
| 8899 |
VLANClientState *vc; |
| 8900 |
|
| 8901 |
for(vc = vlan->first_client; vc != NULL; vc = vc->next) { |
| 8902 |
if (vc->fd_read == tap_receive) {
|
| 8903 |
char ifname[64]; |
| 8904 |
TAPState *s = vc->opaque; |
| 8905 |
|
| 8906 |
if (sscanf(vc->info_str, "tap: ifname=%63s ", ifname) == 1 && |
| 8907 |
s->down_script[0])
|
| 8908 |
launch_script(s->down_script, ifname, s->fd); |
| 8909 |
} |
| 8910 |
} |
| 8911 |
} |
| 8912 |
#endif
|
| 8913 |
return 0; |
| 8914 |
} |