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/*
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* QEMU System Emulator
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*
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* Copyright (c) 2003-2008 Fabrice Bellard
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include "hw/hw.h" |
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#include "hw/boards.h" |
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#include "hw/usb.h" |
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#include "hw/pcmcia.h" |
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#include "hw/pc.h" |
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#include "hw/audiodev.h" |
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#include "hw/isa.h" |
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#include "hw/baum.h" |
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#include "hw/bt.h" |
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#include "net.h" |
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#include "console.h" |
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#include "sysemu.h" |
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#include "gdbstub.h" |
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#include "qemu-timer.h" |
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#include "qemu-char.h" |
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#include "block.h" |
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#include "audio/audio.h" |
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#include "migration.h" |
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#include "kvm.h" |
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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/mman.h> |
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#include <sys/ioctl.h> |
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#include <sys/socket.h> |
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#include <netinet/in.h> |
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#include <dirent.h> |
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#include <netdb.h> |
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#include <sys/select.h> |
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#include <arpa/inet.h> |
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#ifdef _BSD
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#include <sys/stat.h> |
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#if !defined(__APPLE__) && !defined(__OpenBSD__)
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#include <libutil.h> |
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#endif
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#ifdef __OpenBSD__
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#include <net/if.h> |
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#endif
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#elif defined (__GLIBC__) && defined (__FreeBSD_kernel__)
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#include <freebsd/stdlib.h> |
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#else
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#ifdef __linux__
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#include <linux/if.h> |
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#include <linux/if_tun.h> |
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#include <pty.h> |
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#include <malloc.h> |
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#include <linux/rtc.h> |
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/* For the benefit of older linux systems which don't supply it,
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we use a local copy of hpet.h. */
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/* #include <linux/hpet.h> */
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#include "hpet.h" |
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#include <linux/ppdev.h> |
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#include <linux/parport.h> |
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#endif
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#ifdef __sun__
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#include <sys/stat.h> |
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#include <sys/ethernet.h> |
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#include <sys/sockio.h> |
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#include <netinet/arp.h> |
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#include <netinet/in.h> |
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#include <netinet/in_systm.h> |
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#include <netinet/ip.h> |
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#include <netinet/ip_icmp.h> // must come after ip.h |
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#include <netinet/udp.h> |
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#include <netinet/tcp.h> |
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#include <net/if.h> |
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#include <syslog.h> |
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#include <stropts.h> |
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#endif
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#endif
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#endif
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#include "qemu_socket.h" |
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#if defined(CONFIG_SLIRP)
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#include "libslirp.h" |
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#endif
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#if defined(__OpenBSD__)
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#include <util.h> |
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#endif
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#if defined(CONFIG_VDE)
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#include <libvdeplug.h> |
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#endif
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#ifdef _WIN32
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#include <malloc.h> |
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#include <sys/timeb.h> |
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#include <mmsystem.h> |
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#define getopt_long_only getopt_long
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#define memalign(align, size) malloc(size)
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#endif
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#ifdef CONFIG_SDL
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#ifdef __APPLE__
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#include <SDL/SDL.h> |
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#endif
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#endif /* CONFIG_SDL */ |
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#ifdef CONFIG_COCOA
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#undef main
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#define main qemu_main
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#endif /* CONFIG_COCOA */ |
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#include "disas.h" |
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#include "exec-all.h" |
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#define DEFAULT_NETWORK_SCRIPT "/etc/qemu-ifup" |
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#define DEFAULT_NETWORK_DOWN_SCRIPT "/etc/qemu-ifdown" |
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#ifdef __sun__
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#define SMBD_COMMAND "/usr/sfw/sbin/smbd" |
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#else
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#define SMBD_COMMAND "/usr/sbin/smbd" |
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#endif
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//#define DEBUG_UNUSED_IOPORT
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//#define DEBUG_IOPORT
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//#define DEBUG_NET
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//#define DEBUG_SLIRP
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#ifdef TARGET_PPC
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#define DEFAULT_RAM_SIZE 144 |
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#else
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#define DEFAULT_RAM_SIZE 128 |
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#endif
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/* Max number of USB devices that can be specified on the commandline. */
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#define MAX_USB_CMDLINE 8 |
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/* XXX: use a two level table to limit memory usage */
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#define MAX_IOPORTS 65536 |
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const char *bios_dir = CONFIG_QEMU_SHAREDIR; |
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const char *bios_name = NULL; |
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static void *ioport_opaque[MAX_IOPORTS]; |
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static IOPortReadFunc *ioport_read_table[3][MAX_IOPORTS]; |
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static 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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static BlockDriverState *bs_snapshots;
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static int vga_ram_size; |
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enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
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DisplayState display_state; |
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int nographic;
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static 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 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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static int full_screen = 0; |
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static 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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int smp_cpus = 1; |
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const char *vnc_display; |
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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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#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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static int nb_drives_opt; |
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static 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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static QEMUTimer *icount_rt_timer;
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static QEMUTimer *icount_vm_timer;
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uint8_t qemu_uuid[16];
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/***********************************************************/
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/* x86 ISA bus support */
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target_phys_addr_t isa_mem_base = 0;
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PicState2 *isa_pic; |
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static IOPortReadFunc default_ioport_readb, default_ioport_readw, default_ioport_readl;
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static IOPortWriteFunc default_ioport_writeb, default_ioport_writew, default_ioport_writel;
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static uint32_t ioport_read(int index, uint32_t address) |
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{ |
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static IOPortReadFunc *default_func[3] = { |
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default_ioport_readb, |
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default_ioport_readw, |
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default_ioport_readl |
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}; |
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IOPortReadFunc *func = ioport_read_table[index][address]; |
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if (!func)
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func = default_func[index]; |
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return func(ioport_opaque[address], address);
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} |
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static void ioport_write(int index, uint32_t address, uint32_t data) |
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{ |
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static IOPortWriteFunc *default_func[3] = { |
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default_ioport_writeb, |
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default_ioport_writew, |
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default_ioport_writel |
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}; |
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IOPortWriteFunc *func = ioport_write_table[index][address]; |
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if (!func)
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func = default_func[index]; |
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func(ioport_opaque[address], address, data); |
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} |
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static uint32_t default_ioport_readb(void *opaque, uint32_t address) |
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{ |
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#ifdef DEBUG_UNUSED_IOPORT
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fprintf(stderr, "unused inb: port=0x%04x\n", address);
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#endif
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return 0xff; |
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} |
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static void default_ioport_writeb(void *opaque, uint32_t address, uint32_t data) |
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{ |
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#ifdef DEBUG_UNUSED_IOPORT
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fprintf(stderr, "unused outb: port=0x%04x data=0x%02x\n", address, data);
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#endif
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} |
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/* default is to make two byte accesses */
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static uint32_t default_ioport_readw(void *opaque, uint32_t address) |
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{ |
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uint32_t data; |
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data = ioport_read(0, address);
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address = (address + 1) & (MAX_IOPORTS - 1); |
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data |= ioport_read(0, address) << 8; |
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return data;
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} |
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static void default_ioport_writew(void *opaque, uint32_t address, uint32_t data) |
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{ |
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ioport_write(0, address, data & 0xff); |
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address = (address + 1) & (MAX_IOPORTS - 1); |
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ioport_write(0, address, (data >> 8) & 0xff); |
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} |
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static uint32_t default_ioport_readl(void *opaque, uint32_t address) |
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{ |
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#ifdef DEBUG_UNUSED_IOPORT
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fprintf(stderr, "unused inl: port=0x%04x\n", address);
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#endif
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return 0xffffffff; |
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} |
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static void default_ioport_writel(void *opaque, uint32_t address, uint32_t data) |
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{ |
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#ifdef DEBUG_UNUSED_IOPORT
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fprintf(stderr, "unused outl: port=0x%04x data=0x%02x\n", address, data);
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#endif
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} |
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/* size is the word size in byte */
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int register_ioport_read(int start, int length, int size, |
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IOPortReadFunc *func, void *opaque)
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{ |
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int i, bsize;
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if (size == 1) { |
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bsize = 0;
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} else if (size == 2) { |
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bsize = 1;
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} else if (size == 4) { |
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bsize = 2;
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} else {
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hw_error("register_ioport_read: invalid size");
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return -1; |
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} |
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for(i = start; i < start + length; i += size) {
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ioport_read_table[bsize][i] = func; |
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if (ioport_opaque[i] != NULL && ioport_opaque[i] != opaque) |
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hw_error("register_ioport_read: invalid opaque");
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ioport_opaque[i] = opaque; |
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} |
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return 0; |
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} |
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/* size is the word size in byte */
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int register_ioport_write(int start, int length, int size, |
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IOPortWriteFunc *func, void *opaque)
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{ |
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int i, bsize;
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if (size == 1) { |
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bsize = 0;
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} else if (size == 2) { |
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bsize = 1;
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} else if (size == 4) { |
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bsize = 2;
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} else {
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hw_error("register_ioport_write: invalid size");
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return -1; |
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} |
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for(i = start; i < start + length; i += size) {
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ioport_write_table[bsize][i] = func; |
380 |
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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} |
386 |
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void isa_unassign_ioport(int start, int length) |
388 |
{ |
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int i;
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for(i = start; i < start + length; i++) {
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ioport_read_table[0][i] = default_ioport_readb;
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ioport_read_table[1][i] = default_ioport_readw;
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ioport_read_table[2][i] = default_ioport_readl;
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ioport_write_table[0][i] = default_ioport_writeb;
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ioport_write_table[1][i] = default_ioport_writew;
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ioport_write_table[2][i] = default_ioport_writel;
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} |
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} |
401 |
|
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/***********************************************************/
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void cpu_outb(CPUState *env, int addr, int val) |
405 |
{ |
406 |
#ifdef DEBUG_IOPORT
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if (loglevel & CPU_LOG_IOPORT)
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fprintf(logfile, "outb: %04x %02x\n", addr, val);
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#endif
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ioport_write(0, addr, val);
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#ifdef USE_KQEMU
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if (env)
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env->last_io_time = cpu_get_time_fast(); |
414 |
#endif
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} |
416 |
|
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void cpu_outw(CPUState *env, int addr, int val) |
418 |
{ |
419 |
#ifdef DEBUG_IOPORT
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if (loglevel & CPU_LOG_IOPORT)
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fprintf(logfile, "outw: %04x %04x\n", addr, val);
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#endif
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ioport_write(1, addr, val);
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#ifdef USE_KQEMU
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if (env)
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env->last_io_time = cpu_get_time_fast(); |
427 |
#endif
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} |
429 |
|
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void cpu_outl(CPUState *env, int addr, int val) |
431 |
{ |
432 |
#ifdef DEBUG_IOPORT
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if (loglevel & CPU_LOG_IOPORT)
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fprintf(logfile, "outl: %04x %08x\n", addr, val);
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#endif
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ioport_write(2, addr, val);
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#ifdef USE_KQEMU
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438 |
if (env)
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env->last_io_time = cpu_get_time_fast(); |
440 |
#endif
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} |
442 |
|
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int cpu_inb(CPUState *env, int addr) |
444 |
{ |
445 |
int val;
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val = ioport_read(0, addr);
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#ifdef DEBUG_IOPORT
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if (loglevel & CPU_LOG_IOPORT)
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fprintf(logfile, "inb : %04x %02x\n", addr, val);
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#endif
|
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#ifdef USE_KQEMU
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if (env)
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env->last_io_time = cpu_get_time_fast(); |
454 |
#endif
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return val;
|
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} |
457 |
|
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int cpu_inw(CPUState *env, int addr) |
459 |
{ |
460 |
int val;
|
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val = ioport_read(1, addr);
|
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#ifdef DEBUG_IOPORT
|
463 |
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(); |
469 |
#endif
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return val;
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} |
472 |
|
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int cpu_inl(CPUState *env, int addr) |
474 |
{ |
475 |
int val;
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val = ioport_read(2, addr);
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477 |
#ifdef DEBUG_IOPORT
|
478 |
if (loglevel & CPU_LOG_IOPORT)
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fprintf(logfile, "inl : %04x %08x\n", addr, val);
|
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#endif
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#ifdef USE_KQEMU
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if (env)
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env->last_io_time = cpu_get_time_fast(); |
484 |
#endif
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return val;
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} |
487 |
|
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/***********************************************************/
|
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void hw_error(const char *fmt, ...) |
490 |
{ |
491 |
va_list ap; |
492 |
CPUState *env; |
493 |
|
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va_start(ap, fmt); |
495 |
fprintf(stderr, "qemu: hardware error: ");
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vfprintf(stderr, fmt, ap); |
497 |
fprintf(stderr, "\n");
|
498 |
for(env = first_cpu; env != NULL; env = env->next_cpu) { |
499 |
fprintf(stderr, "CPU #%d:\n", env->cpu_index);
|
500 |
#ifdef TARGET_I386
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501 |
cpu_dump_state(env, stderr, fprintf, X86_DUMP_FPU); |
502 |
#else
|
503 |
cpu_dump_state(env, stderr, fprintf, 0);
|
504 |
#endif
|
505 |
} |
506 |
va_end(ap); |
507 |
abort(); |
508 |
} |
509 |
|
510 |
/***********************************************************/
|
511 |
/* keyboard/mouse */
|
512 |
|
513 |
static QEMUPutKBDEvent *qemu_put_kbd_event;
|
514 |
static void *qemu_put_kbd_event_opaque; |
515 |
static QEMUPutMouseEntry *qemu_put_mouse_event_head;
|
516 |
static QEMUPutMouseEntry *qemu_put_mouse_event_current;
|
517 |
|
518 |
void qemu_add_kbd_event_handler(QEMUPutKBDEvent *func, void *opaque) |
519 |
{ |
520 |
qemu_put_kbd_event_opaque = opaque; |
521 |
qemu_put_kbd_event = func; |
522 |
} |
523 |
|
524 |
QEMUPutMouseEntry *qemu_add_mouse_event_handler(QEMUPutMouseEvent *func, |
525 |
void *opaque, int absolute, |
526 |
const char *name) |
527 |
{ |
528 |
QEMUPutMouseEntry *s, *cursor; |
529 |
|
530 |
s = qemu_mallocz(sizeof(QEMUPutMouseEntry));
|
531 |
if (!s)
|
532 |
return NULL; |
533 |
|
534 |
s->qemu_put_mouse_event = func; |
535 |
s->qemu_put_mouse_event_opaque = opaque; |
536 |
s->qemu_put_mouse_event_absolute = absolute; |
537 |
s->qemu_put_mouse_event_name = qemu_strdup(name); |
538 |
s->next = NULL;
|
539 |
|
540 |
if (!qemu_put_mouse_event_head) {
|
541 |
qemu_put_mouse_event_head = qemu_put_mouse_event_current = s; |
542 |
return s;
|
543 |
} |
544 |
|
545 |
cursor = qemu_put_mouse_event_head; |
546 |
while (cursor->next != NULL) |
547 |
cursor = cursor->next; |
548 |
|
549 |
cursor->next = s; |
550 |
qemu_put_mouse_event_current = s; |
551 |
|
552 |
return s;
|
553 |
} |
554 |
|
555 |
void qemu_remove_mouse_event_handler(QEMUPutMouseEntry *entry)
|
556 |
{ |
557 |
QEMUPutMouseEntry *prev = NULL, *cursor;
|
558 |
|
559 |
if (!qemu_put_mouse_event_head || entry == NULL) |
560 |
return;
|
561 |
|
562 |
cursor = qemu_put_mouse_event_head; |
563 |
while (cursor != NULL && cursor != entry) { |
564 |
prev = cursor; |
565 |
cursor = cursor->next; |
566 |
} |
567 |
|
568 |
if (cursor == NULL) // does not exist or list empty |
569 |
return;
|
570 |
else if (prev == NULL) { // entry is head |
571 |
qemu_put_mouse_event_head = cursor->next; |
572 |
if (qemu_put_mouse_event_current == entry)
|
573 |
qemu_put_mouse_event_current = cursor->next; |
574 |
qemu_free(entry->qemu_put_mouse_event_name); |
575 |
qemu_free(entry); |
576 |
return;
|
577 |
} |
578 |
|
579 |
prev->next = entry->next; |
580 |
|
581 |
if (qemu_put_mouse_event_current == entry)
|
582 |
qemu_put_mouse_event_current = prev; |
583 |
|
584 |
qemu_free(entry->qemu_put_mouse_event_name); |
585 |
qemu_free(entry); |
586 |
} |
587 |
|
588 |
void kbd_put_keycode(int keycode) |
589 |
{ |
590 |
if (qemu_put_kbd_event) {
|
591 |
qemu_put_kbd_event(qemu_put_kbd_event_opaque, keycode); |
592 |
} |
593 |
} |
594 |
|
595 |
void kbd_mouse_event(int dx, int dy, int dz, int buttons_state) |
596 |
{ |
597 |
QEMUPutMouseEvent *mouse_event; |
598 |
void *mouse_event_opaque;
|
599 |
int width;
|
600 |
|
601 |
if (!qemu_put_mouse_event_current) {
|
602 |
return;
|
603 |
} |
604 |
|
605 |
mouse_event = |
606 |
qemu_put_mouse_event_current->qemu_put_mouse_event; |
607 |
mouse_event_opaque = |
608 |
qemu_put_mouse_event_current->qemu_put_mouse_event_opaque; |
609 |
|
610 |
if (mouse_event) {
|
611 |
if (graphic_rotate) {
|
612 |
if (qemu_put_mouse_event_current->qemu_put_mouse_event_absolute)
|
613 |
width = 0x7fff;
|
614 |
else
|
615 |
width = graphic_width - 1;
|
616 |
mouse_event(mouse_event_opaque, |
617 |
width - dy, dx, dz, buttons_state); |
618 |
} else
|
619 |
mouse_event(mouse_event_opaque, |
620 |
dx, dy, dz, buttons_state); |
621 |
} |
622 |
} |
623 |
|
624 |
int kbd_mouse_is_absolute(void) |
625 |
{ |
626 |
if (!qemu_put_mouse_event_current)
|
627 |
return 0; |
628 |
|
629 |
return qemu_put_mouse_event_current->qemu_put_mouse_event_absolute;
|
630 |
} |
631 |
|
632 |
void do_info_mice(void) |
633 |
{ |
634 |
QEMUPutMouseEntry *cursor; |
635 |
int index = 0; |
636 |
|
637 |
if (!qemu_put_mouse_event_head) {
|
638 |
term_printf("No mouse devices connected\n");
|
639 |
return;
|
640 |
} |
641 |
|
642 |
term_printf("Mouse devices available:\n");
|
643 |
cursor = qemu_put_mouse_event_head; |
644 |
while (cursor != NULL) { |
645 |
term_printf("%c Mouse #%d: %s\n",
|
646 |
(cursor == qemu_put_mouse_event_current ? '*' : ' '), |
647 |
index, cursor->qemu_put_mouse_event_name); |
648 |
index++; |
649 |
cursor = cursor->next; |
650 |
} |
651 |
} |
652 |
|
653 |
void do_mouse_set(int index) |
654 |
{ |
655 |
QEMUPutMouseEntry *cursor; |
656 |
int i = 0; |
657 |
|
658 |
if (!qemu_put_mouse_event_head) {
|
659 |
term_printf("No mouse devices connected\n");
|
660 |
return;
|
661 |
} |
662 |
|
663 |
cursor = qemu_put_mouse_event_head; |
664 |
while (cursor != NULL && index != i) { |
665 |
i++; |
666 |
cursor = cursor->next; |
667 |
} |
668 |
|
669 |
if (cursor != NULL) |
670 |
qemu_put_mouse_event_current = cursor; |
671 |
else
|
672 |
term_printf("Mouse at given index not found\n");
|
673 |
} |
674 |
|
675 |
/* compute with 96 bit intermediate result: (a*b)/c */
|
676 |
uint64_t muldiv64(uint64_t a, uint32_t b, uint32_t c) |
677 |
{ |
678 |
union {
|
679 |
uint64_t ll; |
680 |
struct {
|
681 |
#ifdef WORDS_BIGENDIAN
|
682 |
uint32_t high, low; |
683 |
#else
|
684 |
uint32_t low, high; |
685 |
#endif
|
686 |
} l; |
687 |
} u, res; |
688 |
uint64_t rl, rh; |
689 |
|
690 |
u.ll = a; |
691 |
rl = (uint64_t)u.l.low * (uint64_t)b; |
692 |
rh = (uint64_t)u.l.high * (uint64_t)b; |
693 |
rh += (rl >> 32);
|
694 |
res.l.high = rh / c; |
695 |
res.l.low = (((rh % c) << 32) + (rl & 0xffffffff)) / c; |
696 |
return res.ll;
|
697 |
} |
698 |
|
699 |
/***********************************************************/
|
700 |
/* real time host monotonic timer */
|
701 |
|
702 |
#define QEMU_TIMER_BASE 1000000000LL |
703 |
|
704 |
#ifdef WIN32
|
705 |
|
706 |
static int64_t clock_freq;
|
707 |
|
708 |
static void init_get_clock(void) |
709 |
{ |
710 |
LARGE_INTEGER freq; |
711 |
int ret;
|
712 |
ret = QueryPerformanceFrequency(&freq); |
713 |
if (ret == 0) { |
714 |
fprintf(stderr, "Could not calibrate ticks\n");
|
715 |
exit(1);
|
716 |
} |
717 |
clock_freq = freq.QuadPart; |
718 |
} |
719 |
|
720 |
static int64_t get_clock(void) |
721 |
{ |
722 |
LARGE_INTEGER ti; |
723 |
QueryPerformanceCounter(&ti); |
724 |
return muldiv64(ti.QuadPart, QEMU_TIMER_BASE, clock_freq);
|
725 |
} |
726 |
|
727 |
#else
|
728 |
|
729 |
static int use_rt_clock; |
730 |
|
731 |
static void init_get_clock(void) |
732 |
{ |
733 |
use_rt_clock = 0;
|
734 |
#if defined(__linux__) || (defined(__FreeBSD__) && __FreeBSD_version >= 500000) |
735 |
{ |
736 |
struct timespec ts;
|
737 |
if (clock_gettime(CLOCK_MONOTONIC, &ts) == 0) { |
738 |
use_rt_clock = 1;
|
739 |
} |
740 |
} |
741 |
#endif
|
742 |
} |
743 |
|
744 |
static int64_t get_clock(void) |
745 |
{ |
746 |
#if defined(__linux__) || (defined(__FreeBSD__) && __FreeBSD_version >= 500000) |
747 |
if (use_rt_clock) {
|
748 |
struct timespec ts;
|
749 |
clock_gettime(CLOCK_MONOTONIC, &ts); |
750 |
return ts.tv_sec * 1000000000LL + ts.tv_nsec; |
751 |
} else
|
752 |
#endif
|
753 |
{ |
754 |
/* XXX: using gettimeofday leads to problems if the date
|
755 |
changes, so it should be avoided. */
|
756 |
struct timeval tv;
|
757 |
gettimeofday(&tv, NULL);
|
758 |
return tv.tv_sec * 1000000000LL + (tv.tv_usec * 1000); |
759 |
} |
760 |
} |
761 |
#endif
|
762 |
|
763 |
/* Return the virtual CPU time, based on the instruction counter. */
|
764 |
static int64_t cpu_get_icount(void) |
765 |
{ |
766 |
int64_t icount; |
767 |
CPUState *env = cpu_single_env;; |
768 |
icount = qemu_icount; |
769 |
if (env) {
|
770 |
if (!can_do_io(env))
|
771 |
fprintf(stderr, "Bad clock read\n");
|
772 |
icount -= (env->icount_decr.u16.low + env->icount_extra); |
773 |
} |
774 |
return qemu_icount_bias + (icount << icount_time_shift);
|
775 |
} |
776 |
|
777 |
/***********************************************************/
|
778 |
/* guest cycle counter */
|
779 |
|
780 |
static int64_t cpu_ticks_prev;
|
781 |
static int64_t cpu_ticks_offset;
|
782 |
static int64_t cpu_clock_offset;
|
783 |
static int cpu_ticks_enabled; |
784 |
|
785 |
/* return the host CPU cycle counter and handle stop/restart */
|
786 |
int64_t cpu_get_ticks(void)
|
787 |
{ |
788 |
if (use_icount) {
|
789 |
return cpu_get_icount();
|
790 |
} |
791 |
if (!cpu_ticks_enabled) {
|
792 |
return cpu_ticks_offset;
|
793 |
} else {
|
794 |
int64_t ticks; |
795 |
ticks = cpu_get_real_ticks(); |
796 |
if (cpu_ticks_prev > ticks) {
|
797 |
/* Note: non increasing ticks may happen if the host uses
|
798 |
software suspend */
|
799 |
cpu_ticks_offset += cpu_ticks_prev - ticks; |
800 |
} |
801 |
cpu_ticks_prev = ticks; |
802 |
return ticks + cpu_ticks_offset;
|
803 |
} |
804 |
} |
805 |
|
806 |
/* return the host CPU monotonic timer and handle stop/restart */
|
807 |
static int64_t cpu_get_clock(void) |
808 |
{ |
809 |
int64_t ti; |
810 |
if (!cpu_ticks_enabled) {
|
811 |
return cpu_clock_offset;
|
812 |
} else {
|
813 |
ti = get_clock(); |
814 |
return ti + cpu_clock_offset;
|
815 |
} |
816 |
} |
817 |
|
818 |
/* enable cpu_get_ticks() */
|
819 |
void cpu_enable_ticks(void) |
820 |
{ |
821 |
if (!cpu_ticks_enabled) {
|
822 |
cpu_ticks_offset -= cpu_get_real_ticks(); |
823 |
cpu_clock_offset -= get_clock(); |
824 |
cpu_ticks_enabled = 1;
|
825 |
} |
826 |
} |
827 |
|
828 |
/* disable cpu_get_ticks() : the clock is stopped. You must not call
|
829 |
cpu_get_ticks() after that. */
|
830 |
void cpu_disable_ticks(void) |
831 |
{ |
832 |
if (cpu_ticks_enabled) {
|
833 |
cpu_ticks_offset = cpu_get_ticks(); |
834 |
cpu_clock_offset = cpu_get_clock(); |
835 |
cpu_ticks_enabled = 0;
|
836 |
} |
837 |
} |
838 |
|
839 |
/***********************************************************/
|
840 |
/* timers */
|
841 |
|
842 |
#define QEMU_TIMER_REALTIME 0 |
843 |
#define QEMU_TIMER_VIRTUAL 1 |
844 |
|
845 |
struct QEMUClock {
|
846 |
int type;
|
847 |
/* XXX: add frequency */
|
848 |
}; |
849 |
|
850 |
struct QEMUTimer {
|
851 |
QEMUClock *clock; |
852 |
int64_t expire_time; |
853 |
QEMUTimerCB *cb; |
854 |
void *opaque;
|
855 |
struct QEMUTimer *next;
|
856 |
}; |
857 |
|
858 |
struct qemu_alarm_timer {
|
859 |
char const *name; |
860 |
unsigned int flags; |
861 |
|
862 |
int (*start)(struct qemu_alarm_timer *t); |
863 |
void (*stop)(struct qemu_alarm_timer *t); |
864 |
void (*rearm)(struct qemu_alarm_timer *t); |
865 |
void *priv;
|
866 |
}; |
867 |
|
868 |
#define ALARM_FLAG_DYNTICKS 0x1 |
869 |
#define ALARM_FLAG_EXPIRED 0x2 |
870 |
|
871 |
static inline int alarm_has_dynticks(struct qemu_alarm_timer *t) |
872 |
{ |
873 |
return t->flags & ALARM_FLAG_DYNTICKS;
|
874 |
} |
875 |
|
876 |
static void qemu_rearm_alarm_timer(struct qemu_alarm_timer *t) |
877 |
{ |
878 |
if (!alarm_has_dynticks(t))
|
879 |
return;
|
880 |
|
881 |
t->rearm(t); |
882 |
} |
883 |
|
884 |
/* TODO: MIN_TIMER_REARM_US should be optimized */
|
885 |
#define MIN_TIMER_REARM_US 250 |
886 |
|
887 |
static struct qemu_alarm_timer *alarm_timer; |
888 |
|
889 |
#ifdef _WIN32
|
890 |
|
891 |
struct qemu_alarm_win32 {
|
892 |
MMRESULT timerId; |
893 |
HANDLE host_alarm; |
894 |
unsigned int period; |
895 |
} alarm_win32_data = {0, NULL, -1}; |
896 |
|
897 |
static int win32_start_timer(struct qemu_alarm_timer *t); |
898 |
static void win32_stop_timer(struct qemu_alarm_timer *t); |
899 |
static void win32_rearm_timer(struct qemu_alarm_timer *t); |
900 |
|
901 |
#else
|
902 |
|
903 |
static int unix_start_timer(struct qemu_alarm_timer *t); |
904 |
static void unix_stop_timer(struct qemu_alarm_timer *t); |
905 |
|
906 |
#ifdef __linux__
|
907 |
|
908 |
static int dynticks_start_timer(struct qemu_alarm_timer *t); |
909 |
static void dynticks_stop_timer(struct qemu_alarm_timer *t); |
910 |
static void dynticks_rearm_timer(struct qemu_alarm_timer *t); |
911 |
|
912 |
static int hpet_start_timer(struct qemu_alarm_timer *t); |
913 |
static void hpet_stop_timer(struct qemu_alarm_timer *t); |
914 |
|
915 |
static int rtc_start_timer(struct qemu_alarm_timer *t); |
916 |
static void rtc_stop_timer(struct qemu_alarm_timer *t); |
917 |
|
918 |
#endif /* __linux__ */ |
919 |
|
920 |
#endif /* _WIN32 */ |
921 |
|
922 |
/* Correlation between real and virtual time is always going to be
|
923 |
fairly approximate, so ignore small variation.
|
924 |
When the guest is idle real and virtual time will be aligned in
|
925 |
the IO wait loop. */
|
926 |
#define ICOUNT_WOBBLE (QEMU_TIMER_BASE / 10) |
927 |
|
928 |
static void icount_adjust(void) |
929 |
{ |
930 |
int64_t cur_time; |
931 |
int64_t cur_icount; |
932 |
int64_t delta; |
933 |
static int64_t last_delta;
|
934 |
/* If the VM is not running, then do nothing. */
|
935 |
if (!vm_running)
|
936 |
return;
|
937 |
|
938 |
cur_time = cpu_get_clock(); |
939 |
cur_icount = qemu_get_clock(vm_clock); |
940 |
delta = cur_icount - cur_time; |
941 |
/* FIXME: This is a very crude algorithm, somewhat prone to oscillation. */
|
942 |
if (delta > 0 |
943 |
&& last_delta + ICOUNT_WOBBLE < delta * 2
|
944 |
&& icount_time_shift > 0) {
|
945 |
/* The guest is getting too far ahead. Slow time down. */
|
946 |
icount_time_shift--; |
947 |
} |
948 |
if (delta < 0 |
949 |
&& last_delta - ICOUNT_WOBBLE > delta * 2
|
950 |
&& icount_time_shift < MAX_ICOUNT_SHIFT) { |
951 |
/* The guest is getting too far behind. Speed time up. */
|
952 |
icount_time_shift++; |
953 |
} |
954 |
last_delta = delta; |
955 |
qemu_icount_bias = cur_icount - (qemu_icount << icount_time_shift); |
956 |
} |
957 |
|
958 |
static void icount_adjust_rt(void * opaque) |
959 |
{ |
960 |
qemu_mod_timer(icount_rt_timer, |
961 |
qemu_get_clock(rt_clock) + 1000);
|
962 |
icount_adjust(); |
963 |
} |
964 |
|
965 |
static void icount_adjust_vm(void * opaque) |
966 |
{ |
967 |
qemu_mod_timer(icount_vm_timer, |
968 |
qemu_get_clock(vm_clock) + QEMU_TIMER_BASE / 10);
|
969 |
icount_adjust(); |
970 |
} |
971 |
|
972 |
static void init_icount_adjust(void) |
973 |
{ |
974 |
/* Have both realtime and virtual time triggers for speed adjustment.
|
975 |
The realtime trigger catches emulated time passing too slowly,
|
976 |
the virtual time trigger catches emulated time passing too fast.
|
977 |
Realtime triggers occur even when idle, so use them less frequently
|
978 |
than VM triggers. */
|
979 |
icount_rt_timer = qemu_new_timer(rt_clock, icount_adjust_rt, NULL);
|
980 |
qemu_mod_timer(icount_rt_timer, |
981 |
qemu_get_clock(rt_clock) + 1000);
|
982 |
icount_vm_timer = qemu_new_timer(vm_clock, icount_adjust_vm, NULL);
|
983 |
qemu_mod_timer(icount_vm_timer, |
984 |
qemu_get_clock(vm_clock) + QEMU_TIMER_BASE / 10);
|
985 |
} |
986 |
|
987 |
static struct qemu_alarm_timer alarm_timers[] = { |
988 |
#ifndef _WIN32
|
989 |
#ifdef __linux__
|
990 |
{"dynticks", ALARM_FLAG_DYNTICKS, dynticks_start_timer,
|
991 |
dynticks_stop_timer, dynticks_rearm_timer, NULL},
|
992 |
/* HPET - if available - is preferred */
|
993 |
{"hpet", 0, hpet_start_timer, hpet_stop_timer, NULL, NULL}, |
994 |
/* ...otherwise try RTC */
|
995 |
{"rtc", 0, rtc_start_timer, rtc_stop_timer, NULL, NULL}, |
996 |
#endif
|
997 |
{"unix", 0, unix_start_timer, unix_stop_timer, NULL, NULL}, |
998 |
#else
|
999 |
{"dynticks", ALARM_FLAG_DYNTICKS, win32_start_timer,
|
1000 |
win32_stop_timer, win32_rearm_timer, &alarm_win32_data}, |
1001 |
{"win32", 0, win32_start_timer, |
1002 |
win32_stop_timer, NULL, &alarm_win32_data},
|
1003 |
#endif
|
1004 |
{NULL, }
|
1005 |
}; |
1006 |
|
1007 |
static void show_available_alarms(void) |
1008 |
{ |
1009 |
int i;
|
1010 |
|
1011 |
printf("Available alarm timers, in order of precedence:\n");
|
1012 |
for (i = 0; alarm_timers[i].name; i++) |
1013 |
printf("%s\n", alarm_timers[i].name);
|
1014 |
} |
1015 |
|
1016 |
static void configure_alarms(char const *opt) |
1017 |
{ |
1018 |
int i;
|
1019 |
int cur = 0; |
1020 |
int count = (sizeof(alarm_timers) / sizeof(*alarm_timers)) - 1; |
1021 |
char *arg;
|
1022 |
char *name;
|
1023 |
struct qemu_alarm_timer tmp;
|
1024 |
|
1025 |
if (!strcmp(opt, "?")) { |
1026 |
show_available_alarms(); |
1027 |
exit(0);
|
1028 |
} |
1029 |
|
1030 |
arg = strdup(opt); |
1031 |
|
1032 |
/* Reorder the array */
|
1033 |
name = strtok(arg, ",");
|
1034 |
while (name) {
|
1035 |
for (i = 0; i < count && alarm_timers[i].name; i++) { |
1036 |
if (!strcmp(alarm_timers[i].name, name))
|
1037 |
break;
|
1038 |
} |
1039 |
|
1040 |
if (i == count) {
|
1041 |
fprintf(stderr, "Unknown clock %s\n", name);
|
1042 |
goto next;
|
1043 |
} |
1044 |
|
1045 |
if (i < cur)
|
1046 |
/* Ignore */
|
1047 |
goto next;
|
1048 |
|
1049 |
/* Swap */
|
1050 |
tmp = alarm_timers[i]; |
1051 |
alarm_timers[i] = alarm_timers[cur]; |
1052 |
alarm_timers[cur] = tmp; |
1053 |
|
1054 |
cur++; |
1055 |
next:
|
1056 |
name = strtok(NULL, ","); |
1057 |
} |
1058 |
|
1059 |
free(arg); |
1060 |
|
1061 |
if (cur) {
|
1062 |
/* Disable remaining timers */
|
1063 |
for (i = cur; i < count; i++)
|
1064 |
alarm_timers[i].name = NULL;
|
1065 |
} else {
|
1066 |
show_available_alarms(); |
1067 |
exit(1);
|
1068 |
} |
1069 |
} |
1070 |
|
1071 |
QEMUClock *rt_clock; |
1072 |
QEMUClock *vm_clock; |
1073 |
|
1074 |
static QEMUTimer *active_timers[2]; |
1075 |
|
1076 |
static QEMUClock *qemu_new_clock(int type) |
1077 |
{ |
1078 |
QEMUClock *clock; |
1079 |
clock = qemu_mallocz(sizeof(QEMUClock));
|
1080 |
if (!clock)
|
1081 |
return NULL; |
1082 |
clock->type = type; |
1083 |
return clock;
|
1084 |
} |
1085 |
|
1086 |
QEMUTimer *qemu_new_timer(QEMUClock *clock, QEMUTimerCB *cb, void *opaque)
|
1087 |
{ |
1088 |
QEMUTimer *ts; |
1089 |
|
1090 |
ts = qemu_mallocz(sizeof(QEMUTimer));
|
1091 |
ts->clock = clock; |
1092 |
ts->cb = cb; |
1093 |
ts->opaque = opaque; |
1094 |
return ts;
|
1095 |
} |
1096 |
|
1097 |
void qemu_free_timer(QEMUTimer *ts)
|
1098 |
{ |
1099 |
qemu_free(ts); |
1100 |
} |
1101 |
|
1102 |
/* stop a timer, but do not dealloc it */
|
1103 |
void qemu_del_timer(QEMUTimer *ts)
|
1104 |
{ |
1105 |
QEMUTimer **pt, *t; |
1106 |
|
1107 |
/* NOTE: this code must be signal safe because
|
1108 |
qemu_timer_expired() can be called from a signal. */
|
1109 |
pt = &active_timers[ts->clock->type]; |
1110 |
for(;;) {
|
1111 |
t = *pt; |
1112 |
if (!t)
|
1113 |
break;
|
1114 |
if (t == ts) {
|
1115 |
*pt = t->next; |
1116 |
break;
|
1117 |
} |
1118 |
pt = &t->next; |
1119 |
} |
1120 |
} |
1121 |
|
1122 |
/* modify the current timer so that it will be fired when current_time
|
1123 |
>= expire_time. The corresponding callback will be called. */
|
1124 |
void qemu_mod_timer(QEMUTimer *ts, int64_t expire_time)
|
1125 |
{ |
1126 |
QEMUTimer **pt, *t; |
1127 |
|
1128 |
qemu_del_timer(ts); |
1129 |
|
1130 |
/* add the timer in the sorted list */
|
1131 |
/* NOTE: this code must be signal safe because
|
1132 |
qemu_timer_expired() can be called from a signal. */
|
1133 |
pt = &active_timers[ts->clock->type]; |
1134 |
for(;;) {
|
1135 |
t = *pt; |
1136 |
if (!t)
|
1137 |
break;
|
1138 |
if (t->expire_time > expire_time)
|
1139 |
break;
|
1140 |
pt = &t->next; |
1141 |
} |
1142 |
ts->expire_time = expire_time; |
1143 |
ts->next = *pt; |
1144 |
*pt = ts; |
1145 |
|
1146 |
/* Rearm if necessary */
|
1147 |
if (pt == &active_timers[ts->clock->type]) {
|
1148 |
if ((alarm_timer->flags & ALARM_FLAG_EXPIRED) == 0) { |
1149 |
qemu_rearm_alarm_timer(alarm_timer); |
1150 |
} |
1151 |
/* Interrupt execution to force deadline recalculation. */
|
1152 |
if (use_icount && cpu_single_env) {
|
1153 |
cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT); |
1154 |
} |
1155 |
} |
1156 |
} |
1157 |
|
1158 |
int qemu_timer_pending(QEMUTimer *ts)
|
1159 |
{ |
1160 |
QEMUTimer *t; |
1161 |
for(t = active_timers[ts->clock->type]; t != NULL; t = t->next) { |
1162 |
if (t == ts)
|
1163 |
return 1; |
1164 |
} |
1165 |
return 0; |
1166 |
} |
1167 |
|
1168 |
static inline int qemu_timer_expired(QEMUTimer *timer_head, int64_t current_time) |
1169 |
{ |
1170 |
if (!timer_head)
|
1171 |
return 0; |
1172 |
return (timer_head->expire_time <= current_time);
|
1173 |
} |
1174 |
|
1175 |
static void qemu_run_timers(QEMUTimer **ptimer_head, int64_t current_time) |
1176 |
{ |
1177 |
QEMUTimer *ts; |
1178 |
|
1179 |
for(;;) {
|
1180 |
ts = *ptimer_head; |
1181 |
if (!ts || ts->expire_time > current_time)
|
1182 |
break;
|
1183 |
/* remove timer from the list before calling the callback */
|
1184 |
*ptimer_head = ts->next; |
1185 |
ts->next = NULL;
|
1186 |
|
1187 |
/* run the callback (the timer list can be modified) */
|
1188 |
ts->cb(ts->opaque); |
1189 |
} |
1190 |
} |
1191 |
|
1192 |
int64_t qemu_get_clock(QEMUClock *clock) |
1193 |
{ |
1194 |
switch(clock->type) {
|
1195 |
case QEMU_TIMER_REALTIME:
|
1196 |
return get_clock() / 1000000; |
1197 |
default:
|
1198 |
case QEMU_TIMER_VIRTUAL:
|
1199 |
if (use_icount) {
|
1200 |
return cpu_get_icount();
|
1201 |
} else {
|
1202 |
return cpu_get_clock();
|
1203 |
} |
1204 |
} |
1205 |
} |
1206 |
|
1207 |
static void init_timers(void) |
1208 |
{ |
1209 |
init_get_clock(); |
1210 |
ticks_per_sec = QEMU_TIMER_BASE; |
1211 |
rt_clock = qemu_new_clock(QEMU_TIMER_REALTIME); |
1212 |
vm_clock = qemu_new_clock(QEMU_TIMER_VIRTUAL); |
1213 |
} |
1214 |
|
1215 |
/* save a timer */
|
1216 |
void qemu_put_timer(QEMUFile *f, QEMUTimer *ts)
|
1217 |
{ |
1218 |
uint64_t expire_time; |
1219 |
|
1220 |
if (qemu_timer_pending(ts)) {
|
1221 |
expire_time = ts->expire_time; |
1222 |
} else {
|
1223 |
expire_time = -1;
|
1224 |
} |
1225 |
qemu_put_be64(f, expire_time); |
1226 |
} |
1227 |
|
1228 |
void qemu_get_timer(QEMUFile *f, QEMUTimer *ts)
|
1229 |
{ |
1230 |
uint64_t expire_time; |
1231 |
|
1232 |
expire_time = qemu_get_be64(f); |
1233 |
if (expire_time != -1) { |
1234 |
qemu_mod_timer(ts, expire_time); |
1235 |
} else {
|
1236 |
qemu_del_timer(ts); |
1237 |
} |
1238 |
} |
1239 |
|
1240 |
static void timer_save(QEMUFile *f, void *opaque) |
1241 |
{ |
1242 |
if (cpu_ticks_enabled) {
|
1243 |
hw_error("cannot save state if virtual timers are running");
|
1244 |
} |
1245 |
qemu_put_be64(f, cpu_ticks_offset); |
1246 |
qemu_put_be64(f, ticks_per_sec); |
1247 |
qemu_put_be64(f, cpu_clock_offset); |
1248 |
} |
1249 |
|
1250 |
static int timer_load(QEMUFile *f, void *opaque, int version_id) |
1251 |
{ |
1252 |
if (version_id != 1 && version_id != 2) |
1253 |
return -EINVAL;
|
1254 |
if (cpu_ticks_enabled) {
|
1255 |
return -EINVAL;
|
1256 |
} |
1257 |
cpu_ticks_offset=qemu_get_be64(f); |
1258 |
ticks_per_sec=qemu_get_be64(f); |
1259 |
if (version_id == 2) { |
1260 |
cpu_clock_offset=qemu_get_be64(f); |
1261 |
} |
1262 |
return 0; |
1263 |
} |
1264 |
|
1265 |
#ifdef _WIN32
|
1266 |
void CALLBACK host_alarm_handler(UINT uTimerID, UINT uMsg,
|
1267 |
DWORD_PTR dwUser, DWORD_PTR dw1, DWORD_PTR dw2) |
1268 |
#else
|
1269 |
static void host_alarm_handler(int host_signum) |
1270 |
#endif
|
1271 |
{ |
1272 |
#if 0
|
1273 |
#define DISP_FREQ 1000
|
1274 |
{
|
1275 |
static int64_t delta_min = INT64_MAX;
|
1276 |
static int64_t delta_max, delta_cum, last_clock, delta, ti;
|
1277 |
static int count;
|
1278 |
ti = qemu_get_clock(vm_clock);
|
1279 |
if (last_clock != 0) {
|
1280 |
delta = ti - last_clock;
|
1281 |
if (delta < delta_min)
|
1282 |
delta_min = delta;
|
1283 |
if (delta > delta_max)
|
1284 |
delta_max = delta;
|
1285 |
delta_cum += delta;
|
1286 |
if (++count == DISP_FREQ) {
|
1287 |
printf("timer: min=%" PRId64 " us max=%" PRId64 " us avg=%" PRId64 " us avg_freq=%0.3f Hz\n",
|
1288 |
muldiv64(delta_min, 1000000, ticks_per_sec),
|
1289 |
muldiv64(delta_max, 1000000, ticks_per_sec),
|
1290 |
muldiv64(delta_cum, 1000000 / DISP_FREQ, ticks_per_sec),
|
1291 |
(double)ticks_per_sec / ((double)delta_cum / DISP_FREQ));
|
1292 |
count = 0;
|
1293 |
delta_min = INT64_MAX;
|
1294 |
delta_max = 0;
|
1295 |
delta_cum = 0;
|
1296 |
}
|
1297 |
}
|
1298 |
last_clock = ti;
|
1299 |
}
|
1300 |
#endif
|
1301 |
if (alarm_has_dynticks(alarm_timer) ||
|
1302 |
(!use_icount && |
1303 |
qemu_timer_expired(active_timers[QEMU_TIMER_VIRTUAL], |
1304 |
qemu_get_clock(vm_clock))) || |
1305 |
qemu_timer_expired(active_timers[QEMU_TIMER_REALTIME], |
1306 |
qemu_get_clock(rt_clock))) { |
1307 |
#ifdef _WIN32
|
1308 |
struct qemu_alarm_win32 *data = ((struct qemu_alarm_timer*)dwUser)->priv; |
1309 |
SetEvent(data->host_alarm); |
1310 |
#endif
|
1311 |
CPUState *env = next_cpu; |
1312 |
|
1313 |
alarm_timer->flags |= ALARM_FLAG_EXPIRED; |
1314 |
|
1315 |
if (env) {
|
1316 |
/* stop the currently executing cpu because a timer occured */
|
1317 |
cpu_interrupt(env, CPU_INTERRUPT_EXIT); |
1318 |
#ifdef USE_KQEMU
|
1319 |
if (env->kqemu_enabled) {
|
1320 |
kqemu_cpu_interrupt(env); |
1321 |
} |
1322 |
#endif
|
1323 |
} |
1324 |
event_pending = 1;
|
1325 |
} |
1326 |
} |
1327 |
|
1328 |
static int64_t qemu_next_deadline(void) |
1329 |
{ |
1330 |
int64_t delta; |
1331 |
|
1332 |
if (active_timers[QEMU_TIMER_VIRTUAL]) {
|
1333 |
delta = active_timers[QEMU_TIMER_VIRTUAL]->expire_time - |
1334 |
qemu_get_clock(vm_clock); |
1335 |
} else {
|
1336 |
/* To avoid problems with overflow limit this to 2^32. */
|
1337 |
delta = INT32_MAX; |
1338 |
} |
1339 |
|
1340 |
if (delta < 0) |
1341 |
delta = 0;
|
1342 |
|
1343 |
return delta;
|
1344 |
} |
1345 |
|
1346 |
#if defined(__linux__) || defined(_WIN32)
|
1347 |
static uint64_t qemu_next_deadline_dyntick(void) |
1348 |
{ |
1349 |
int64_t delta; |
1350 |
int64_t rtdelta; |
1351 |
|
1352 |
if (use_icount)
|
1353 |
delta = INT32_MAX; |
1354 |
else
|
1355 |
delta = (qemu_next_deadline() + 999) / 1000; |
1356 |
|
1357 |
if (active_timers[QEMU_TIMER_REALTIME]) {
|
1358 |
rtdelta = (active_timers[QEMU_TIMER_REALTIME]->expire_time - |
1359 |
qemu_get_clock(rt_clock))*1000;
|
1360 |
if (rtdelta < delta)
|
1361 |
delta = rtdelta; |
1362 |
} |
1363 |
|
1364 |
if (delta < MIN_TIMER_REARM_US)
|
1365 |
delta = MIN_TIMER_REARM_US; |
1366 |
|
1367 |
return delta;
|
1368 |
} |
1369 |
#endif
|
1370 |
|
1371 |
#ifndef _WIN32
|
1372 |
|
1373 |
#if defined(__linux__)
|
1374 |
|
1375 |
#define RTC_FREQ 1024 |
1376 |
|
1377 |
static void enable_sigio_timer(int fd) |
1378 |
{ |
1379 |
struct sigaction act;
|
1380 |
|
1381 |
/* timer signal */
|
1382 |
sigfillset(&act.sa_mask); |
1383 |
act.sa_flags = 0;
|
1384 |
act.sa_handler = host_alarm_handler; |
1385 |
|
1386 |
sigaction(SIGIO, &act, NULL);
|
1387 |
fcntl(fd, F_SETFL, O_ASYNC); |
1388 |
fcntl(fd, F_SETOWN, getpid()); |
1389 |
} |
1390 |
|
1391 |
static int hpet_start_timer(struct qemu_alarm_timer *t) |
1392 |
{ |
1393 |
struct hpet_info info;
|
1394 |
int r, fd;
|
1395 |
|
1396 |
fd = open("/dev/hpet", O_RDONLY);
|
1397 |
if (fd < 0) |
1398 |
return -1; |
1399 |
|
1400 |
/* Set frequency */
|
1401 |
r = ioctl(fd, HPET_IRQFREQ, RTC_FREQ); |
1402 |
if (r < 0) { |
1403 |
fprintf(stderr, "Could not configure '/dev/hpet' to have a 1024Hz timer. This is not a fatal\n"
|
1404 |
"error, but for better emulation accuracy type:\n"
|
1405 |
"'echo 1024 > /proc/sys/dev/hpet/max-user-freq' as root.\n");
|
1406 |
goto fail;
|
1407 |
} |
1408 |
|
1409 |
/* Check capabilities */
|
1410 |
r = ioctl(fd, HPET_INFO, &info); |
1411 |
if (r < 0) |
1412 |
goto fail;
|
1413 |
|
1414 |
/* Enable periodic mode */
|
1415 |
r = ioctl(fd, HPET_EPI, 0);
|
1416 |
if (info.hi_flags && (r < 0)) |
1417 |
goto fail;
|
1418 |
|
1419 |
/* Enable interrupt */
|
1420 |
r = ioctl(fd, HPET_IE_ON, 0);
|
1421 |
if (r < 0) |
1422 |
goto fail;
|
1423 |
|
1424 |
enable_sigio_timer(fd); |
1425 |
t->priv = (void *)(long)fd; |
1426 |
|
1427 |
return 0; |
1428 |
fail:
|
1429 |
close(fd); |
1430 |
return -1; |
1431 |
} |
1432 |
|
1433 |
static void hpet_stop_timer(struct qemu_alarm_timer *t) |
1434 |
{ |
1435 |
int fd = (long)t->priv; |
1436 |
|
1437 |
close(fd); |
1438 |
} |
1439 |
|
1440 |
static int rtc_start_timer(struct qemu_alarm_timer *t) |
1441 |
{ |
1442 |
int rtc_fd;
|
1443 |
unsigned long current_rtc_freq = 0; |
1444 |
|
1445 |
TFR(rtc_fd = open("/dev/rtc", O_RDONLY));
|
1446 |
if (rtc_fd < 0) |
1447 |
return -1; |
1448 |
ioctl(rtc_fd, RTC_IRQP_READ, ¤t_rtc_freq); |
1449 |
if (current_rtc_freq != RTC_FREQ &&
|
1450 |
ioctl(rtc_fd, RTC_IRQP_SET, RTC_FREQ) < 0) {
|
1451 |
fprintf(stderr, "Could not configure '/dev/rtc' to have a 1024 Hz timer. This is not a fatal\n"
|
1452 |
"error, but for better emulation accuracy either use a 2.6 host Linux kernel or\n"
|
1453 |
"type 'echo 1024 > /proc/sys/dev/rtc/max-user-freq' as root.\n");
|
1454 |
goto fail;
|
1455 |
} |
1456 |
if (ioctl(rtc_fd, RTC_PIE_ON, 0) < 0) { |
1457 |
fail:
|
1458 |
close(rtc_fd); |
1459 |
return -1; |
1460 |
} |
1461 |
|
1462 |
enable_sigio_timer(rtc_fd); |
1463 |
|
1464 |
t->priv = (void *)(long)rtc_fd; |
1465 |
|
1466 |
return 0; |
1467 |
} |
1468 |
|
1469 |
static void rtc_stop_timer(struct qemu_alarm_timer *t) |
1470 |
{ |
1471 |
int rtc_fd = (long)t->priv; |
1472 |
|
1473 |
close(rtc_fd); |
1474 |
} |
1475 |
|
1476 |
static int dynticks_start_timer(struct qemu_alarm_timer *t) |
1477 |
{ |
1478 |
struct sigevent ev;
|
1479 |
timer_t host_timer; |
1480 |
struct sigaction act;
|
1481 |
|
1482 |
sigfillset(&act.sa_mask); |
1483 |
act.sa_flags = 0;
|
1484 |
act.sa_handler = host_alarm_handler; |
1485 |
|
1486 |
sigaction(SIGALRM, &act, NULL);
|
1487 |
|
1488 |
ev.sigev_value.sival_int = 0;
|
1489 |
ev.sigev_notify = SIGEV_SIGNAL; |
1490 |
ev.sigev_signo = SIGALRM; |
1491 |
|
1492 |
if (timer_create(CLOCK_REALTIME, &ev, &host_timer)) {
|
1493 |
perror("timer_create");
|
1494 |
|
1495 |
/* disable dynticks */
|
1496 |
fprintf(stderr, "Dynamic Ticks disabled\n");
|
1497 |
|
1498 |
return -1; |
1499 |
} |
1500 |
|
1501 |
t->priv = (void *)host_timer;
|
1502 |
|
1503 |
return 0; |
1504 |
} |
1505 |
|
1506 |
static void dynticks_stop_timer(struct qemu_alarm_timer *t) |
1507 |
{ |
1508 |
timer_t host_timer = (timer_t)t->priv; |
1509 |
|
1510 |
timer_delete(host_timer); |
1511 |
} |
1512 |
|
1513 |
static void dynticks_rearm_timer(struct qemu_alarm_timer *t) |
1514 |
{ |
1515 |
timer_t host_timer = (timer_t)t->priv; |
1516 |
struct itimerspec timeout;
|
1517 |
int64_t nearest_delta_us = INT64_MAX; |
1518 |
int64_t current_us; |
1519 |
|
1520 |
if (!active_timers[QEMU_TIMER_REALTIME] &&
|
1521 |
!active_timers[QEMU_TIMER_VIRTUAL]) |
1522 |
return;
|
1523 |
|
1524 |
nearest_delta_us = qemu_next_deadline_dyntick(); |
1525 |
|
1526 |
/* check whether a timer is already running */
|
1527 |
if (timer_gettime(host_timer, &timeout)) {
|
1528 |
perror("gettime");
|
1529 |
fprintf(stderr, "Internal timer error: aborting\n");
|
1530 |
exit(1);
|
1531 |
} |
1532 |
current_us = timeout.it_value.tv_sec * 1000000 + timeout.it_value.tv_nsec/1000; |
1533 |
if (current_us && current_us <= nearest_delta_us)
|
1534 |
return;
|
1535 |
|
1536 |
timeout.it_interval.tv_sec = 0;
|
1537 |
timeout.it_interval.tv_nsec = 0; /* 0 for one-shot timer */ |
1538 |
timeout.it_value.tv_sec = nearest_delta_us / 1000000;
|
1539 |
timeout.it_value.tv_nsec = (nearest_delta_us % 1000000) * 1000; |
1540 |
if (timer_settime(host_timer, 0 /* RELATIVE */, &timeout, NULL)) { |
1541 |
perror("settime");
|
1542 |
fprintf(stderr, "Internal timer error: aborting\n");
|
1543 |
exit(1);
|
1544 |
} |
1545 |
} |
1546 |
|
1547 |
#endif /* defined(__linux__) */ |
1548 |
|
1549 |
static int unix_start_timer(struct qemu_alarm_timer *t) |
1550 |
{ |
1551 |
struct sigaction act;
|
1552 |
struct itimerval itv;
|
1553 |
int err;
|
1554 |
|
1555 |
/* timer signal */
|
1556 |
sigfillset(&act.sa_mask); |
1557 |
act.sa_flags = 0;
|
1558 |
act.sa_handler = host_alarm_handler; |
1559 |
|
1560 |
sigaction(SIGALRM, &act, NULL);
|
1561 |
|
1562 |
itv.it_interval.tv_sec = 0;
|
1563 |
/* for i386 kernel 2.6 to get 1 ms */
|
1564 |
itv.it_interval.tv_usec = 999;
|
1565 |
itv.it_value.tv_sec = 0;
|
1566 |
itv.it_value.tv_usec = 10 * 1000; |
1567 |
|
1568 |
err = setitimer(ITIMER_REAL, &itv, NULL);
|
1569 |
if (err)
|
1570 |
return -1; |
1571 |
|
1572 |
return 0; |
1573 |
} |
1574 |
|
1575 |
static void unix_stop_timer(struct qemu_alarm_timer *t) |
1576 |
{ |
1577 |
struct itimerval itv;
|
1578 |
|
1579 |
memset(&itv, 0, sizeof(itv)); |
1580 |
setitimer(ITIMER_REAL, &itv, NULL);
|
1581 |
} |
1582 |
|
1583 |
#endif /* !defined(_WIN32) */ |
1584 |
|
1585 |
#ifdef _WIN32
|
1586 |
|
1587 |
static int win32_start_timer(struct qemu_alarm_timer *t) |
1588 |
{ |
1589 |
TIMECAPS tc; |
1590 |
struct qemu_alarm_win32 *data = t->priv;
|
1591 |
UINT flags; |
1592 |
|
1593 |
data->host_alarm = CreateEvent(NULL, FALSE, FALSE, NULL); |
1594 |
if (!data->host_alarm) {
|
1595 |
perror("Failed CreateEvent");
|
1596 |
return -1; |
1597 |
} |
1598 |
|
1599 |
memset(&tc, 0, sizeof(tc)); |
1600 |
timeGetDevCaps(&tc, sizeof(tc));
|
1601 |
|
1602 |
if (data->period < tc.wPeriodMin)
|
1603 |
data->period = tc.wPeriodMin; |
1604 |
|
1605 |
timeBeginPeriod(data->period); |
1606 |
|
1607 |
flags = TIME_CALLBACK_FUNCTION; |
1608 |
if (alarm_has_dynticks(t))
|
1609 |
flags |= TIME_ONESHOT; |
1610 |
else
|
1611 |
flags |= TIME_PERIODIC; |
1612 |
|
1613 |
data->timerId = timeSetEvent(1, // interval (ms) |
1614 |
data->period, // resolution
|
1615 |
host_alarm_handler, // function
|
1616 |
(DWORD)t, // parameter
|
1617 |
flags); |
1618 |
|
1619 |
if (!data->timerId) {
|
1620 |
perror("Failed to initialize win32 alarm timer");
|
1621 |
|
1622 |
timeEndPeriod(data->period); |
1623 |
CloseHandle(data->host_alarm); |
1624 |
return -1; |
1625 |
} |
1626 |
|
1627 |
qemu_add_wait_object(data->host_alarm, NULL, NULL); |
1628 |
|
1629 |
return 0; |
1630 |
} |
1631 |
|
1632 |
static void win32_stop_timer(struct qemu_alarm_timer *t) |
1633 |
{ |
1634 |
struct qemu_alarm_win32 *data = t->priv;
|
1635 |
|
1636 |
timeKillEvent(data->timerId); |
1637 |
timeEndPeriod(data->period); |
1638 |
|
1639 |
CloseHandle(data->host_alarm); |
1640 |
} |
1641 |
|
1642 |
static void win32_rearm_timer(struct qemu_alarm_timer *t) |
1643 |
{ |
1644 |
struct qemu_alarm_win32 *data = t->priv;
|
1645 |
uint64_t nearest_delta_us; |
1646 |
|
1647 |
if (!active_timers[QEMU_TIMER_REALTIME] &&
|
1648 |
!active_timers[QEMU_TIMER_VIRTUAL]) |
1649 |
return;
|
1650 |
|
1651 |
nearest_delta_us = qemu_next_deadline_dyntick(); |
1652 |
nearest_delta_us /= 1000;
|
1653 |
|
1654 |
timeKillEvent(data->timerId); |
1655 |
|
1656 |
data->timerId = timeSetEvent(1,
|
1657 |
data->period, |
1658 |
host_alarm_handler, |
1659 |
(DWORD)t, |
1660 |
TIME_ONESHOT | TIME_PERIODIC); |
1661 |
|
1662 |
if (!data->timerId) {
|
1663 |
perror("Failed to re-arm win32 alarm timer");
|
1664 |
|
1665 |
timeEndPeriod(data->period); |
1666 |
CloseHandle(data->host_alarm); |
1667 |
exit(1);
|
1668 |
} |
1669 |
} |
1670 |
|
1671 |
#endif /* _WIN32 */ |
1672 |
|
1673 |
static void init_timer_alarm(void) |
1674 |
{ |
1675 |
struct qemu_alarm_timer *t = NULL; |
1676 |
int i, err = -1; |
1677 |
|
1678 |
for (i = 0; alarm_timers[i].name; i++) { |
1679 |
t = &alarm_timers[i]; |
1680 |
|
1681 |
err = t->start(t); |
1682 |
if (!err)
|
1683 |
break;
|
1684 |
} |
1685 |
|
1686 |
if (err) {
|
1687 |
fprintf(stderr, "Unable to find any suitable alarm timer.\n");
|
1688 |
fprintf(stderr, "Terminating\n");
|
1689 |
exit(1);
|
1690 |
} |
1691 |
|
1692 |
alarm_timer = t; |
1693 |
} |
1694 |
|
1695 |
static void quit_timers(void) |
1696 |
{ |
1697 |
alarm_timer->stop(alarm_timer); |
1698 |
alarm_timer = NULL;
|
1699 |
} |
1700 |
|
1701 |
/***********************************************************/
|
1702 |
/* host time/date access */
|
1703 |
void qemu_get_timedate(struct tm *tm, int offset) |
1704 |
{ |
1705 |
time_t ti; |
1706 |
struct tm *ret;
|
1707 |
|
1708 |
time(&ti); |
1709 |
ti += offset; |
1710 |
if (rtc_date_offset == -1) { |
1711 |
if (rtc_utc)
|
1712 |
ret = gmtime(&ti); |
1713 |
else
|
1714 |
ret = localtime(&ti); |
1715 |
} else {
|
1716 |
ti -= rtc_date_offset; |
1717 |
ret = gmtime(&ti); |
1718 |
} |
1719 |
|
1720 |
memcpy(tm, ret, sizeof(struct tm)); |
1721 |
} |
1722 |
|
1723 |
int qemu_timedate_diff(struct tm *tm) |
1724 |
{ |
1725 |
time_t seconds; |
1726 |
|
1727 |
if (rtc_date_offset == -1) |
1728 |
if (rtc_utc)
|
1729 |
seconds = mktimegm(tm); |
1730 |
else
|
1731 |
seconds = mktime(tm); |
1732 |
else
|
1733 |
seconds = mktimegm(tm) + rtc_date_offset; |
1734 |
|
1735 |
return seconds - time(NULL); |
1736 |
} |
1737 |
|
1738 |
#ifdef _WIN32
|
1739 |
static void socket_cleanup(void) |
1740 |
{ |
1741 |
WSACleanup(); |
1742 |
} |
1743 |
|
1744 |
static int socket_init(void) |
1745 |
{ |
1746 |
WSADATA Data; |
1747 |
int ret, err;
|
1748 |
|
1749 |
ret = WSAStartup(MAKEWORD(2,2), &Data); |
1750 |
if (ret != 0) { |
1751 |
err = WSAGetLastError(); |
1752 |
fprintf(stderr, "WSAStartup: %d\n", err);
|
1753 |
return -1; |
1754 |
} |
1755 |
atexit(socket_cleanup); |
1756 |
return 0; |
1757 |
} |
1758 |
#endif
|
1759 |
|
1760 |
const char *get_opt_name(char *buf, int buf_size, const char *p) |
1761 |
{ |
1762 |
char *q;
|
1763 |
|
1764 |
q = buf; |
1765 |
while (*p != '\0' && *p != '=') { |
1766 |
if (q && (q - buf) < buf_size - 1) |
1767 |
*q++ = *p; |
1768 |
p++; |
1769 |
} |
1770 |
if (q)
|
1771 |
*q = '\0';
|
1772 |
|
1773 |
return p;
|
1774 |
} |
1775 |
|
1776 |
const char *get_opt_value(char *buf, int buf_size, const char *p) |
1777 |
{ |
1778 |
char *q;
|
1779 |
|
1780 |
q = buf; |
1781 |
while (*p != '\0') { |
1782 |
if (*p == ',') { |
1783 |
if (*(p + 1) != ',') |
1784 |
break;
|
1785 |
p++; |
1786 |
} |
1787 |
if (q && (q - buf) < buf_size - 1) |
1788 |
*q++ = *p; |
1789 |
p++; |
1790 |
} |
1791 |
if (q)
|
1792 |
*q = '\0';
|
1793 |
|
1794 |
return p;
|
1795 |
} |
1796 |
|
1797 |
int get_param_value(char *buf, int buf_size, |
1798 |
const char *tag, const char *str) |
1799 |
{ |
1800 |
const char *p; |
1801 |
char option[128]; |
1802 |
|
1803 |
p = str; |
1804 |
for(;;) {
|
1805 |
p = get_opt_name(option, sizeof(option), p);
|
1806 |
if (*p != '=') |
1807 |
break;
|
1808 |
p++; |
1809 |
if (!strcmp(tag, option)) {
|
1810 |
(void)get_opt_value(buf, buf_size, p);
|
1811 |
return strlen(buf);
|
1812 |
} else {
|
1813 |
p = get_opt_value(NULL, 0, p); |
1814 |
} |
1815 |
if (*p != ',') |
1816 |
break;
|
1817 |
p++; |
1818 |
} |
1819 |
return 0; |
1820 |
} |
1821 |
|
1822 |
int check_params(char *buf, int buf_size, |
1823 |
const char * const *params, const char *str) |
1824 |
{ |
1825 |
const char *p; |
1826 |
int i;
|
1827 |
|
1828 |
p = str; |
1829 |
for(;;) {
|
1830 |
p = get_opt_name(buf, buf_size, p); |
1831 |
if (*p != '=') |
1832 |
return -1; |
1833 |
p++; |
1834 |
for(i = 0; params[i] != NULL; i++) |
1835 |
if (!strcmp(params[i], buf))
|
1836 |
break;
|
1837 |
if (params[i] == NULL) |
1838 |
return -1; |
1839 |
p = get_opt_value(NULL, 0, p); |
1840 |
if (*p != ',') |
1841 |
break;
|
1842 |
p++; |
1843 |
} |
1844 |
return 0; |
1845 |
} |
1846 |
|
1847 |
/***********************************************************/
|
1848 |
/* Bluetooth support */
|
1849 |
static int nb_hcis; |
1850 |
static int cur_hci; |
1851 |
static struct HCIInfo *hci_table[MAX_NICS]; |
1852 |
#if 0
|
1853 |
static struct bt_vlan_s {
|
1854 |
struct bt_scatternet_s net;
|
1855 |
int id;
|
1856 |
struct bt_vlan_s *next;
|
1857 |
} *first_bt_vlan;
|
1858 |
|
1859 |
/* find or alloc a new bluetooth "VLAN" */
|
1860 |
static struct bt_scatternet_s *qemu_find_bt_vlan(int id)
|
1861 |
{
|
1862 |
struct bt_vlan_s **pvlan, *vlan;
|
1863 |
for (vlan = first_bt_vlan; vlan != NULL; vlan = vlan->next) {
|
1864 |
if (vlan->id == id)
|
1865 |
return &vlan->net;
|
1866 |
}
|
1867 |
vlan = qemu_mallocz(sizeof(struct bt_vlan_s));
|
1868 |
vlan->id = id;
|
1869 |
pvlan = &first_bt_vlan;
|
1870 |
while (*pvlan != NULL)
|
1871 |
pvlan = &(*pvlan)->next;
|
1872 |
*pvlan = vlan;
|
1873 |
return &vlan->net;
|
1874 |
}
|
1875 |
#endif
|
1876 |
|
1877 |
static void null_hci_send(struct HCIInfo *hci, const uint8_t *data, int len) |
1878 |
{ |
1879 |
} |
1880 |
|
1881 |
static int null_hci_addr_set(struct HCIInfo *hci, const uint8_t *bd_addr) |
1882 |
{ |
1883 |
return -ENOTSUP;
|
1884 |
} |
1885 |
|
1886 |
static struct HCIInfo null_hci = { |
1887 |
.cmd_send = null_hci_send, |
1888 |
.sco_send = null_hci_send, |
1889 |
.acl_send = null_hci_send, |
1890 |
.bdaddr_set = null_hci_addr_set, |
1891 |
}; |
1892 |
|
1893 |
struct HCIInfo *qemu_next_hci(void) |
1894 |
{ |
1895 |
if (cur_hci == nb_hcis)
|
1896 |
return &null_hci;
|
1897 |
|
1898 |
return hci_table[cur_hci++];
|
1899 |
} |
1900 |
|
1901 |
/***********************************************************/
|
1902 |
/* QEMU Block devices */
|
1903 |
|
1904 |
#define HD_ALIAS "index=%d,media=disk" |
1905 |
#ifdef TARGET_PPC
|
1906 |
#define CDROM_ALIAS "index=1,media=cdrom" |
1907 |
#else
|
1908 |
#define CDROM_ALIAS "index=2,media=cdrom" |
1909 |
#endif
|
1910 |
#define FD_ALIAS "index=%d,if=floppy" |
1911 |
#define PFLASH_ALIAS "if=pflash" |
1912 |
#define MTD_ALIAS "if=mtd" |
1913 |
#define SD_ALIAS "index=0,if=sd" |
1914 |
|
1915 |
static int drive_add(const char *file, const char *fmt, ...) |
1916 |
{ |
1917 |
va_list ap; |
1918 |
|
1919 |
if (nb_drives_opt >= MAX_DRIVES) {
|
1920 |
fprintf(stderr, "qemu: too many drives\n");
|
1921 |
exit(1);
|
1922 |
} |
1923 |
|
1924 |
drives_opt[nb_drives_opt].file = file; |
1925 |
va_start(ap, fmt); |
1926 |
vsnprintf(drives_opt[nb_drives_opt].opt, |
1927 |
sizeof(drives_opt[0].opt), fmt, ap); |
1928 |
va_end(ap); |
1929 |
|
1930 |
return nb_drives_opt++;
|
1931 |
} |
1932 |
|
1933 |
int drive_get_index(BlockInterfaceType type, int bus, int unit) |
1934 |
{ |
1935 |
int index;
|
1936 |
|
1937 |
/* seek interface, bus and unit */
|
1938 |
|
1939 |
for (index = 0; index < nb_drives; index++) |
1940 |
if (drives_table[index].type == type &&
|
1941 |
drives_table[index].bus == bus && |
1942 |
drives_table[index].unit == unit) |
1943 |
return index;
|
1944 |
|
1945 |
return -1; |
1946 |
} |
1947 |
|
1948 |
int drive_get_max_bus(BlockInterfaceType type)
|
1949 |
{ |
1950 |
int max_bus;
|
1951 |
int index;
|
1952 |
|
1953 |
max_bus = -1;
|
1954 |
for (index = 0; index < nb_drives; index++) { |
1955 |
if(drives_table[index].type == type &&
|
1956 |
drives_table[index].bus > max_bus) |
1957 |
max_bus = drives_table[index].bus; |
1958 |
} |
1959 |
return max_bus;
|
1960 |
} |
1961 |
|
1962 |
static void bdrv_format_print(void *opaque, const char *name) |
1963 |
{ |
1964 |
fprintf(stderr, " %s", name);
|
1965 |
} |
1966 |
|
1967 |
static int drive_init(struct drive_opt *arg, int snapshot, |
1968 |
QEMUMachine *machine) |
1969 |
{ |
1970 |
char buf[128]; |
1971 |
char file[1024]; |
1972 |
char devname[128]; |
1973 |
const char *mediastr = ""; |
1974 |
BlockInterfaceType type; |
1975 |
enum { MEDIA_DISK, MEDIA_CDROM } media;
|
1976 |
int bus_id, unit_id;
|
1977 |
int cyls, heads, secs, translation;
|
1978 |
BlockDriverState *bdrv; |
1979 |
BlockDriver *drv = NULL;
|
1980 |
int max_devs;
|
1981 |
int index;
|
1982 |
int cache;
|
1983 |
int bdrv_flags;
|
1984 |
char *str = arg->opt;
|
1985 |
static const char * const params[] = { "bus", "unit", "if", "index", |
1986 |
"cyls", "heads", "secs", "trans", |
1987 |
"media", "snapshot", "file", |
1988 |
"cache", "format", NULL }; |
1989 |
|
1990 |
if (check_params(buf, sizeof(buf), params, str) < 0) { |
1991 |
fprintf(stderr, "qemu: unknown parameter '%s' in '%s'\n",
|
1992 |
buf, str); |
1993 |
return -1; |
1994 |
} |
1995 |
|
1996 |
file[0] = 0; |
1997 |
cyls = heads = secs = 0;
|
1998 |
bus_id = 0;
|
1999 |
unit_id = -1;
|
2000 |
translation = BIOS_ATA_TRANSLATION_AUTO; |
2001 |
index = -1;
|
2002 |
cache = 1;
|
2003 |
|
2004 |
if (machine->use_scsi) {
|
2005 |
type = IF_SCSI; |
2006 |
max_devs = MAX_SCSI_DEVS; |
2007 |
pstrcpy(devname, sizeof(devname), "scsi"); |
2008 |
} else {
|
2009 |
type = IF_IDE; |
2010 |
max_devs = MAX_IDE_DEVS; |
2011 |
pstrcpy(devname, sizeof(devname), "ide"); |
2012 |
} |
2013 |
media = MEDIA_DISK; |
2014 |
|
2015 |
/* extract parameters */
|
2016 |
|
2017 |
if (get_param_value(buf, sizeof(buf), "bus", str)) { |
2018 |
bus_id = strtol(buf, NULL, 0); |
2019 |
if (bus_id < 0) { |
2020 |
fprintf(stderr, "qemu: '%s' invalid bus id\n", str);
|
2021 |
return -1; |
2022 |
} |
2023 |
} |
2024 |
|
2025 |
if (get_param_value(buf, sizeof(buf), "unit", str)) { |
2026 |
unit_id = strtol(buf, NULL, 0); |
2027 |
if (unit_id < 0) { |
2028 |
fprintf(stderr, "qemu: '%s' invalid unit id\n", str);
|
2029 |
return -1; |
2030 |
} |
2031 |
} |
2032 |
|
2033 |
if (get_param_value(buf, sizeof(buf), "if", str)) { |
2034 |
pstrcpy(devname, sizeof(devname), buf);
|
2035 |
if (!strcmp(buf, "ide")) { |
2036 |
type = IF_IDE; |
2037 |
max_devs = MAX_IDE_DEVS; |
2038 |
} else if (!strcmp(buf, "scsi")) { |
2039 |
type = IF_SCSI; |
2040 |
max_devs = MAX_SCSI_DEVS; |
2041 |
} else if (!strcmp(buf, "floppy")) { |
2042 |
type = IF_FLOPPY; |
2043 |
max_devs = 0;
|
2044 |
} else if (!strcmp(buf, "pflash")) { |
2045 |
type = IF_PFLASH; |
2046 |
max_devs = 0;
|
2047 |
} else if (!strcmp(buf, "mtd")) { |
2048 |
type = IF_MTD; |
2049 |
max_devs = 0;
|
2050 |
} else if (!strcmp(buf, "sd")) { |
2051 |
type = IF_SD; |
2052 |
max_devs = 0;
|
2053 |
} else {
|
2054 |
fprintf(stderr, "qemu: '%s' unsupported bus type '%s'\n", str, buf);
|
2055 |
return -1; |
2056 |
} |
2057 |
} |
2058 |
|
2059 |
if (get_param_value(buf, sizeof(buf), "index", str)) { |
2060 |
index = strtol(buf, NULL, 0); |
2061 |
if (index < 0) { |
2062 |
fprintf(stderr, "qemu: '%s' invalid index\n", str);
|
2063 |
return -1; |
2064 |
} |
2065 |
} |
2066 |
|
2067 |
if (get_param_value(buf, sizeof(buf), "cyls", str)) { |
2068 |
cyls = strtol(buf, NULL, 0); |
2069 |
} |
2070 |
|
2071 |
if (get_param_value(buf, sizeof(buf), "heads", str)) { |
2072 |
heads = strtol(buf, NULL, 0); |
2073 |
} |
2074 |
|
2075 |
if (get_param_value(buf, sizeof(buf), "secs", str)) { |
2076 |
secs = strtol(buf, NULL, 0); |
2077 |
} |
2078 |
|
2079 |
if (cyls || heads || secs) {
|
2080 |
if (cyls < 1 || cyls > 16383) { |
2081 |
fprintf(stderr, "qemu: '%s' invalid physical cyls number\n", str);
|
2082 |
return -1; |
2083 |
} |
2084 |
if (heads < 1 || heads > 16) { |
2085 |
fprintf(stderr, "qemu: '%s' invalid physical heads number\n", str);
|
2086 |
return -1; |
2087 |
} |
2088 |
if (secs < 1 || secs > 63) { |
2089 |
fprintf(stderr, "qemu: '%s' invalid physical secs number\n", str);
|
2090 |
return -1; |
2091 |
} |
2092 |
} |
2093 |
|
2094 |
if (get_param_value(buf, sizeof(buf), "trans", str)) { |
2095 |
if (!cyls) {
|
2096 |
fprintf(stderr, |
2097 |
"qemu: '%s' trans must be used with cyls,heads and secs\n",
|
2098 |
str); |
2099 |
return -1; |
2100 |
} |
2101 |
if (!strcmp(buf, "none")) |
2102 |
translation = BIOS_ATA_TRANSLATION_NONE; |
2103 |
else if (!strcmp(buf, "lba")) |
2104 |
translation = BIOS_ATA_TRANSLATION_LBA; |
2105 |
else if (!strcmp(buf, "auto")) |
2106 |
translation = BIOS_ATA_TRANSLATION_AUTO; |
2107 |
else {
|
2108 |
fprintf(stderr, "qemu: '%s' invalid translation type\n", str);
|
2109 |
return -1; |
2110 |
} |
2111 |
} |
2112 |
|
2113 |
if (get_param_value(buf, sizeof(buf), "media", str)) { |
2114 |
if (!strcmp(buf, "disk")) { |
2115 |
media = MEDIA_DISK; |
2116 |
} else if (!strcmp(buf, "cdrom")) { |
2117 |
if (cyls || secs || heads) {
|
2118 |
fprintf(stderr, |
2119 |
"qemu: '%s' invalid physical CHS format\n", str);
|
2120 |
return -1; |
2121 |
} |
2122 |
media = MEDIA_CDROM; |
2123 |
} else {
|
2124 |
fprintf(stderr, "qemu: '%s' invalid media\n", str);
|
2125 |
return -1; |
2126 |
} |
2127 |
} |
2128 |
|
2129 |
if (get_param_value(buf, sizeof(buf), "snapshot", str)) { |
2130 |
if (!strcmp(buf, "on")) |
2131 |
snapshot = 1;
|
2132 |
else if (!strcmp(buf, "off")) |
2133 |
snapshot = 0;
|
2134 |
else {
|
2135 |
fprintf(stderr, "qemu: '%s' invalid snapshot option\n", str);
|
2136 |
return -1; |
2137 |
} |
2138 |
} |
2139 |
|
2140 |
if (get_param_value(buf, sizeof(buf), "cache", str)) { |
2141 |
if (!strcmp(buf, "off") || !strcmp(buf, "none")) |
2142 |
cache = 0;
|
2143 |
else if (!strcmp(buf, "writethrough")) |
2144 |
cache = 1;
|
2145 |
else if (!strcmp(buf, "writeback")) |
2146 |
cache = 2;
|
2147 |
else {
|
2148 |
fprintf(stderr, "qemu: invalid cache option\n");
|
2149 |
return -1; |
2150 |
} |
2151 |
} |
2152 |
|
2153 |
if (get_param_value(buf, sizeof(buf), "format", str)) { |
2154 |
if (strcmp(buf, "?") == 0) { |
2155 |
fprintf(stderr, "qemu: Supported formats:");
|
2156 |
bdrv_iterate_format(bdrv_format_print, NULL);
|
2157 |
fprintf(stderr, "\n");
|
2158 |
return -1; |
2159 |
} |
2160 |
drv = bdrv_find_format(buf); |
2161 |
if (!drv) {
|
2162 |
fprintf(stderr, "qemu: '%s' invalid format\n", buf);
|
2163 |
return -1; |
2164 |
} |
2165 |
} |
2166 |
|
2167 |
if (arg->file == NULL) |
2168 |
get_param_value(file, sizeof(file), "file", str); |
2169 |
else
|
2170 |
pstrcpy(file, sizeof(file), arg->file);
|
2171 |
|
2172 |
/* compute bus and unit according index */
|
2173 |
|
2174 |
if (index != -1) { |
2175 |
if (bus_id != 0 || unit_id != -1) { |
2176 |
fprintf(stderr, |
2177 |
"qemu: '%s' index cannot be used with bus and unit\n", str);
|
2178 |
return -1; |
2179 |
} |
2180 |
if (max_devs == 0) |
2181 |
{ |
2182 |
unit_id = index; |
2183 |
bus_id = 0;
|
2184 |
} else {
|
2185 |
unit_id = index % max_devs; |
2186 |
bus_id = index / max_devs; |
2187 |
} |
2188 |
} |
2189 |
|
2190 |
/* if user doesn't specify a unit_id,
|
2191 |
* try to find the first free
|
2192 |
*/
|
2193 |
|
2194 |
if (unit_id == -1) { |
2195 |
unit_id = 0;
|
2196 |
while (drive_get_index(type, bus_id, unit_id) != -1) { |
2197 |
unit_id++; |
2198 |
if (max_devs && unit_id >= max_devs) {
|
2199 |
unit_id -= max_devs; |
2200 |
bus_id++; |
2201 |
} |
2202 |
} |
2203 |
} |
2204 |
|
2205 |
/* check unit id */
|
2206 |
|
2207 |
if (max_devs && unit_id >= max_devs) {
|
2208 |
fprintf(stderr, "qemu: '%s' unit %d too big (max is %d)\n",
|
2209 |
str, unit_id, max_devs - 1);
|
2210 |
return -1; |
2211 |
} |
2212 |
|
2213 |
/*
|
2214 |
* ignore multiple definitions
|
2215 |
*/
|
2216 |
|
2217 |
if (drive_get_index(type, bus_id, unit_id) != -1) |
2218 |
return 0; |
2219 |
|
2220 |
/* init */
|
2221 |
|
2222 |
if (type == IF_IDE || type == IF_SCSI)
|
2223 |
mediastr = (media == MEDIA_CDROM) ? "-cd" : "-hd"; |
2224 |
if (max_devs)
|
2225 |
snprintf(buf, sizeof(buf), "%s%i%s%i", |
2226 |
devname, bus_id, mediastr, unit_id); |
2227 |
else
|
2228 |
snprintf(buf, sizeof(buf), "%s%s%i", |
2229 |
devname, mediastr, unit_id); |
2230 |
bdrv = bdrv_new(buf); |
2231 |
drives_table[nb_drives].bdrv = bdrv; |
2232 |
drives_table[nb_drives].type = type; |
2233 |
drives_table[nb_drives].bus = bus_id; |
2234 |
drives_table[nb_drives].unit = unit_id; |
2235 |
nb_drives++; |
2236 |
|
2237 |
switch(type) {
|
2238 |
case IF_IDE:
|
2239 |
case IF_SCSI:
|
2240 |
switch(media) {
|
2241 |
case MEDIA_DISK:
|
2242 |
if (cyls != 0) { |
2243 |
bdrv_set_geometry_hint(bdrv, cyls, heads, secs); |
2244 |
bdrv_set_translation_hint(bdrv, translation); |
2245 |
} |
2246 |
break;
|
2247 |
case MEDIA_CDROM:
|
2248 |
bdrv_set_type_hint(bdrv, BDRV_TYPE_CDROM); |
2249 |
break;
|
2250 |
} |
2251 |
break;
|
2252 |
case IF_SD:
|
2253 |
/* FIXME: This isn't really a floppy, but it's a reasonable
|
2254 |
approximation. */
|
2255 |
case IF_FLOPPY:
|
2256 |
bdrv_set_type_hint(bdrv, BDRV_TYPE_FLOPPY); |
2257 |
break;
|
2258 |
case IF_PFLASH:
|
2259 |
case IF_MTD:
|
2260 |
break;
|
2261 |
} |
2262 |
if (!file[0]) |
2263 |
return 0; |
2264 |
bdrv_flags = 0;
|
2265 |
if (snapshot) {
|
2266 |
bdrv_flags |= BDRV_O_SNAPSHOT; |
2267 |
cache = 2; /* always use write-back with snapshot */ |
2268 |
} |
2269 |
if (cache == 0) /* no caching */ |
2270 |
bdrv_flags |= BDRV_O_NOCACHE; |
2271 |
else if (cache == 2) /* write-back */ |
2272 |
bdrv_flags |= BDRV_O_CACHE_WB; |
2273 |
if (bdrv_open2(bdrv, file, bdrv_flags, drv) < 0 || qemu_key_check(bdrv, file)) { |
2274 |
fprintf(stderr, "qemu: could not open disk image %s\n",
|
2275 |
file); |
2276 |
return -1; |
2277 |
} |
2278 |
return 0; |
2279 |
} |
2280 |
|
2281 |
/***********************************************************/
|
2282 |
/* USB devices */
|
2283 |
|
2284 |
static USBPort *used_usb_ports;
|
2285 |
static USBPort *free_usb_ports;
|
2286 |
|
2287 |
/* ??? Maybe change this to register a hub to keep track of the topology. */
|
2288 |
void qemu_register_usb_port(USBPort *port, void *opaque, int index, |
2289 |
usb_attachfn attach) |
2290 |
{ |
2291 |
port->opaque = opaque; |
2292 |
port->index = index; |
2293 |
port->attach = attach; |
2294 |
port->next = free_usb_ports; |
2295 |
free_usb_ports = port; |
2296 |
} |
2297 |
|
2298 |
int usb_device_add_dev(USBDevice *dev)
|
2299 |
{ |
2300 |
USBPort *port; |
2301 |
|
2302 |
/* Find a USB port to add the device to. */
|
2303 |
port = free_usb_ports; |
2304 |
if (!port->next) {
|
2305 |
USBDevice *hub; |
2306 |
|
2307 |
/* Create a new hub and chain it on. */
|
2308 |
free_usb_ports = NULL;
|
2309 |
port->next = used_usb_ports; |
2310 |
used_usb_ports = port; |
2311 |
|
2312 |
hub = usb_hub_init(VM_USB_HUB_SIZE); |
2313 |
usb_attach(port, hub); |
2314 |
port = free_usb_ports; |
2315 |
} |
2316 |
|
2317 |
free_usb_ports = port->next; |
2318 |
port->next = used_usb_ports; |
2319 |
used_usb_ports = port; |
2320 |
usb_attach(port, dev); |
2321 |
return 0; |
2322 |
} |
2323 |
|
2324 |
static int usb_device_add(const char *devname) |
2325 |
{ |
2326 |
const char *p; |
2327 |
USBDevice *dev; |
2328 |
|
2329 |
if (!free_usb_ports)
|
2330 |
return -1; |
2331 |
|
2332 |
if (strstart(devname, "host:", &p)) { |
2333 |
dev = usb_host_device_open(p); |
2334 |
} else if (!strcmp(devname, "mouse")) { |
2335 |
dev = usb_mouse_init(); |
2336 |
} else if (!strcmp(devname, "tablet")) { |
2337 |
dev = usb_tablet_init(); |
2338 |
} else if (!strcmp(devname, "keyboard")) { |
2339 |
dev = usb_keyboard_init(); |
2340 |
} else if (strstart(devname, "disk:", &p)) { |
2341 |
dev = usb_msd_init(p); |
2342 |
} else if (!strcmp(devname, "wacom-tablet")) { |
2343 |
dev = usb_wacom_init(); |
2344 |
} else if (strstart(devname, "serial:", &p)) { |
2345 |
dev = usb_serial_init(p); |
2346 |
#ifdef CONFIG_BRLAPI
|
2347 |
} else if (!strcmp(devname, "braille")) { |
2348 |
dev = usb_baum_init(); |
2349 |
#endif
|
2350 |
} else if (strstart(devname, "net:", &p)) { |
2351 |
int nic = nb_nics;
|
2352 |
|
2353 |
if (net_client_init("nic", p) < 0) |
2354 |
return -1; |
2355 |
nd_table[nic].model = "usb";
|
2356 |
dev = usb_net_init(&nd_table[nic]); |
2357 |
} else {
|
2358 |
return -1; |
2359 |
} |
2360 |
if (!dev)
|
2361 |
return -1; |
2362 |
|
2363 |
return usb_device_add_dev(dev);
|
2364 |
} |
2365 |
|
2366 |
int usb_device_del_addr(int bus_num, int addr) |
2367 |
{ |
2368 |
USBPort *port; |
2369 |
USBPort **lastp; |
2370 |
USBDevice *dev; |
2371 |
|
2372 |
if (!used_usb_ports)
|
2373 |
return -1; |
2374 |
|
2375 |
if (bus_num != 0) |
2376 |
return -1; |
2377 |
|
2378 |
lastp = &used_usb_ports; |
2379 |
port = used_usb_ports; |
2380 |
while (port && port->dev->addr != addr) {
|
2381 |
lastp = &port->next; |
2382 |
port = port->next; |
2383 |
} |
2384 |
|
2385 |
if (!port)
|
2386 |
return -1; |
2387 |
|
2388 |
dev = port->dev; |
2389 |
*lastp = port->next; |
2390 |
usb_attach(port, NULL);
|
2391 |
dev->handle_destroy(dev); |
2392 |
port->next = free_usb_ports; |
2393 |
free_usb_ports = port; |
2394 |
return 0; |
2395 |
} |
2396 |
|
2397 |
static int usb_device_del(const char *devname) |
2398 |
{ |
2399 |
int bus_num, addr;
|
2400 |
const char *p; |
2401 |
|
2402 |
if (strstart(devname, "host:", &p)) |
2403 |
return usb_host_device_close(p);
|
2404 |
|
2405 |
if (!used_usb_ports)
|
2406 |
return -1; |
2407 |
|
2408 |
p = strchr(devname, '.');
|
2409 |
if (!p)
|
2410 |
return -1; |
2411 |
bus_num = strtoul(devname, NULL, 0); |
2412 |
addr = strtoul(p + 1, NULL, 0); |
2413 |
|
2414 |
return usb_device_del_addr(bus_num, addr);
|
2415 |
} |
2416 |
|
2417 |
void do_usb_add(const char *devname) |
2418 |
{ |
2419 |
usb_device_add(devname); |
2420 |
} |
2421 |
|
2422 |
void do_usb_del(const char *devname) |
2423 |
{ |
2424 |
usb_device_del(devname); |
2425 |
} |
2426 |
|
2427 |
void usb_info(void) |
2428 |
{ |
2429 |
USBDevice *dev; |
2430 |
USBPort *port; |
2431 |
const char *speed_str; |
2432 |
|
2433 |
if (!usb_enabled) {
|
2434 |
term_printf("USB support not enabled\n");
|
2435 |
return;
|
2436 |
} |
2437 |
|
2438 |
for (port = used_usb_ports; port; port = port->next) {
|
2439 |
dev = port->dev; |
2440 |
if (!dev)
|
2441 |
continue;
|
2442 |
switch(dev->speed) {
|
2443 |
case USB_SPEED_LOW:
|
2444 |
speed_str = "1.5";
|
2445 |
break;
|
2446 |
case USB_SPEED_FULL:
|
2447 |
speed_str = "12";
|
2448 |
break;
|
2449 |
case USB_SPEED_HIGH:
|
2450 |
speed_str = "480";
|
2451 |
break;
|
2452 |
default:
|
2453 |
speed_str = "?";
|
2454 |
break;
|
2455 |
} |
2456 |
term_printf(" Device %d.%d, Speed %s Mb/s, Product %s\n",
|
2457 |
0, dev->addr, speed_str, dev->devname);
|
2458 |
} |
2459 |
} |
2460 |
|
2461 |
/***********************************************************/
|
2462 |
/* PCMCIA/Cardbus */
|
2463 |
|
2464 |
static struct pcmcia_socket_entry_s { |
2465 |
struct pcmcia_socket_s *socket;
|
2466 |
struct pcmcia_socket_entry_s *next;
|
2467 |
} *pcmcia_sockets = 0;
|
2468 |
|
2469 |
void pcmcia_socket_register(struct pcmcia_socket_s *socket) |
2470 |
{ |
2471 |
struct pcmcia_socket_entry_s *entry;
|
2472 |
|
2473 |
entry = qemu_malloc(sizeof(struct pcmcia_socket_entry_s)); |
2474 |
entry->socket = socket; |
2475 |
entry->next = pcmcia_sockets; |
2476 |
pcmcia_sockets = entry; |
2477 |
} |
2478 |
|
2479 |
void pcmcia_socket_unregister(struct pcmcia_socket_s *socket) |
2480 |
{ |
2481 |
struct pcmcia_socket_entry_s *entry, **ptr;
|
2482 |
|
2483 |
ptr = &pcmcia_sockets; |
2484 |
for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
|
2485 |
if (entry->socket == socket) {
|
2486 |
*ptr = entry->next; |
2487 |
qemu_free(entry); |
2488 |
} |
2489 |
} |
2490 |
|
2491 |
void pcmcia_info(void) |
2492 |
{ |
2493 |
struct pcmcia_socket_entry_s *iter;
|
2494 |
if (!pcmcia_sockets)
|
2495 |
term_printf("No PCMCIA sockets\n");
|
2496 |
|
2497 |
for (iter = pcmcia_sockets; iter; iter = iter->next)
|
2498 |
term_printf("%s: %s\n", iter->socket->slot_string,
|
2499 |
iter->socket->attached ? iter->socket->card_string : |
2500 |
"Empty");
|
2501 |
} |
2502 |
|
2503 |
/***********************************************************/
|
2504 |
/* dumb display */
|
2505 |
|
2506 |
static void dumb_update(DisplayState *ds, int x, int y, int w, int h) |
2507 |
{ |
2508 |
} |
2509 |
|
2510 |
static void dumb_resize(DisplayState *ds, int w, int h) |
2511 |
{ |
2512 |
} |
2513 |
|
2514 |
static void dumb_display_init(DisplayState *ds) |
2515 |
{ |
2516 |
ds->data = NULL;
|
2517 |
ds->linesize = 0;
|
2518 |
ds->depth = 0;
|
2519 |
ds->dpy_update = dumb_update; |
2520 |
ds->dpy_resize = dumb_resize; |
2521 |
ds->dpy_refresh = NULL;
|
2522 |
ds->gui_timer_interval = 0;
|
2523 |
ds->idle = 1;
|
2524 |
} |
2525 |
|
2526 |
/***********************************************************/
|
2527 |
/* I/O handling */
|
2528 |
|
2529 |
#define MAX_IO_HANDLERS 64 |
2530 |
|
2531 |
typedef struct IOHandlerRecord { |
2532 |
int fd;
|
2533 |
IOCanRWHandler *fd_read_poll; |
2534 |
IOHandler *fd_read; |
2535 |
IOHandler *fd_write; |
2536 |
int deleted;
|
2537 |
void *opaque;
|
2538 |
/* temporary data */
|
2539 |
struct pollfd *ufd;
|
2540 |
struct IOHandlerRecord *next;
|
2541 |
} IOHandlerRecord; |
2542 |
|
2543 |
static IOHandlerRecord *first_io_handler;
|
2544 |
|
2545 |
/* XXX: fd_read_poll should be suppressed, but an API change is
|
2546 |
necessary in the character devices to suppress fd_can_read(). */
|
2547 |
int qemu_set_fd_handler2(int fd, |
2548 |
IOCanRWHandler *fd_read_poll, |
2549 |
IOHandler *fd_read, |
2550 |
IOHandler *fd_write, |
2551 |
void *opaque)
|
2552 |
{ |
2553 |
IOHandlerRecord **pioh, *ioh; |
2554 |
|
2555 |
if (!fd_read && !fd_write) {
|
2556 |
pioh = &first_io_handler; |
2557 |
for(;;) {
|
2558 |
ioh = *pioh; |
2559 |
if (ioh == NULL) |
2560 |
break;
|
2561 |
if (ioh->fd == fd) {
|
2562 |
ioh->deleted = 1;
|
2563 |
break;
|
2564 |
} |
2565 |
pioh = &ioh->next; |
2566 |
} |
2567 |
} else {
|
2568 |
for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) { |
2569 |
if (ioh->fd == fd)
|
2570 |
goto found;
|
2571 |
} |
2572 |
ioh = qemu_mallocz(sizeof(IOHandlerRecord));
|
2573 |
if (!ioh)
|
2574 |
return -1; |
2575 |
ioh->next = first_io_handler; |
2576 |
first_io_handler = ioh; |
2577 |
found:
|
2578 |
ioh->fd = fd; |
2579 |
ioh->fd_read_poll = fd_read_poll; |
2580 |
ioh->fd_read = fd_read; |
2581 |
ioh->fd_write = fd_write; |
2582 |
ioh->opaque = opaque; |
2583 |
ioh->deleted = 0;
|
2584 |
} |
2585 |
return 0; |
2586 |
} |
2587 |
|
2588 |
int qemu_set_fd_handler(int fd, |
2589 |
IOHandler *fd_read, |
2590 |
IOHandler *fd_write, |
2591 |
void *opaque)
|
2592 |
{ |
2593 |
return qemu_set_fd_handler2(fd, NULL, fd_read, fd_write, opaque); |
2594 |
} |
2595 |
|
2596 |
#ifdef _WIN32
|
2597 |
/***********************************************************/
|
2598 |
/* Polling handling */
|
2599 |
|
2600 |
typedef struct PollingEntry { |
2601 |
PollingFunc *func; |
2602 |
void *opaque;
|
2603 |
struct PollingEntry *next;
|
2604 |
} PollingEntry; |
2605 |
|
2606 |
static PollingEntry *first_polling_entry;
|
2607 |
|
2608 |
int qemu_add_polling_cb(PollingFunc *func, void *opaque) |
2609 |
{ |
2610 |
PollingEntry **ppe, *pe; |
2611 |
pe = qemu_mallocz(sizeof(PollingEntry));
|
2612 |
if (!pe)
|
2613 |
return -1; |
2614 |
pe->func = func; |
2615 |
pe->opaque = opaque; |
2616 |
for(ppe = &first_polling_entry; *ppe != NULL; ppe = &(*ppe)->next); |
2617 |
*ppe = pe; |
2618 |
return 0; |
2619 |
} |
2620 |
|
2621 |
void qemu_del_polling_cb(PollingFunc *func, void *opaque) |
2622 |
{ |
2623 |
PollingEntry **ppe, *pe; |
2624 |
for(ppe = &first_polling_entry; *ppe != NULL; ppe = &(*ppe)->next) { |
2625 |
pe = *ppe; |
2626 |
if (pe->func == func && pe->opaque == opaque) {
|
2627 |
*ppe = pe->next; |
2628 |
qemu_free(pe); |
2629 |
break;
|
2630 |
} |
2631 |
} |
2632 |
} |
2633 |
|
2634 |
/***********************************************************/
|
2635 |
/* Wait objects support */
|
2636 |
typedef struct WaitObjects { |
2637 |
int num;
|
2638 |
HANDLE events[MAXIMUM_WAIT_OBJECTS + 1];
|
2639 |
WaitObjectFunc *func[MAXIMUM_WAIT_OBJECTS + 1];
|
2640 |
void *opaque[MAXIMUM_WAIT_OBJECTS + 1]; |
2641 |
} WaitObjects; |
2642 |
|
2643 |
static WaitObjects wait_objects = {0}; |
2644 |
|
2645 |
int qemu_add_wait_object(HANDLE handle, WaitObjectFunc *func, void *opaque) |
2646 |
{ |
2647 |
WaitObjects *w = &wait_objects; |
2648 |
|
2649 |
if (w->num >= MAXIMUM_WAIT_OBJECTS)
|
2650 |
return -1; |
2651 |
w->events[w->num] = handle; |
2652 |
w->func[w->num] = func; |
2653 |
w->opaque[w->num] = opaque; |
2654 |
w->num++; |
2655 |
return 0; |
2656 |
} |
2657 |
|
2658 |
void qemu_del_wait_object(HANDLE handle, WaitObjectFunc *func, void *opaque) |
2659 |
{ |
2660 |
int i, found;
|
2661 |
WaitObjects *w = &wait_objects; |
2662 |
|
2663 |
found = 0;
|
2664 |
for (i = 0; i < w->num; i++) { |
2665 |
if (w->events[i] == handle)
|
2666 |
found = 1;
|
2667 |
if (found) {
|
2668 |
w->events[i] = w->events[i + 1];
|
2669 |
w->func[i] = w->func[i + 1];
|
2670 |
w->opaque[i] = w->opaque[i + 1];
|
2671 |
} |
2672 |
} |
2673 |
if (found)
|
2674 |
w->num--; |
2675 |
} |
2676 |
#endif
|
2677 |
|
2678 |
#define SELF_ANNOUNCE_ROUNDS 5 |
2679 |
#define ETH_P_EXPERIMENTAL 0x01F1 /* just a number */ |
2680 |
//#define ETH_P_EXPERIMENTAL 0x0012 /* make it the size of the packet */
|
2681 |
#define EXPERIMENTAL_MAGIC 0xf1f23f4f |
2682 |
|
2683 |
static int announce_self_create(uint8_t *buf, |
2684 |
uint8_t *mac_addr) |
2685 |
{ |
2686 |
uint32_t magic = EXPERIMENTAL_MAGIC; |
2687 |
uint16_t proto = htons(ETH_P_EXPERIMENTAL); |
2688 |
|
2689 |
/* FIXME: should we send a different packet (arp/rarp/ping)? */
|
2690 |
|
2691 |
memset(buf, 0xff, 6); /* h_dst */ |
2692 |
memcpy(buf + 6, mac_addr, 6); /* h_src */ |
2693 |
memcpy(buf + 12, &proto, 2); /* h_proto */ |
2694 |
memcpy(buf + 14, &magic, 4); /* magic */ |
2695 |
|
2696 |
return 18; /* len */ |
2697 |
} |
2698 |
|
2699 |
void qemu_announce_self(void) |
2700 |
{ |
2701 |
int i, j, len;
|
2702 |
VLANState *vlan; |
2703 |
VLANClientState *vc; |
2704 |
uint8_t buf[256];
|
2705 |
|
2706 |
for (i = 0; i < nb_nics; i++) { |
2707 |
len = announce_self_create(buf, nd_table[i].macaddr); |
2708 |
vlan = nd_table[i].vlan; |
2709 |
for(vc = vlan->first_client; vc != NULL; vc = vc->next) { |
2710 |
for (j=0; j < SELF_ANNOUNCE_ROUNDS; j++) |
2711 |
vc->fd_read(vc->opaque, buf, len); |
2712 |
} |
2713 |
} |
2714 |
} |
2715 |
|
2716 |
/***********************************************************/
|
2717 |
/* savevm/loadvm support */
|
2718 |
|
2719 |
#define IO_BUF_SIZE 32768 |
2720 |
|
2721 |
struct QEMUFile {
|
2722 |
QEMUFilePutBufferFunc *put_buffer; |
2723 |
QEMUFileGetBufferFunc *get_buffer; |
2724 |
QEMUFileCloseFunc *close; |
2725 |
QEMUFileRateLimit *rate_limit; |
2726 |
void *opaque;
|
2727 |
int is_write;
|
2728 |
|
2729 |
int64_t buf_offset; /* start of buffer when writing, end of buffer
|
2730 |
when reading */
|
2731 |
int buf_index;
|
2732 |
int buf_size; /* 0 when writing */ |
2733 |
uint8_t buf[IO_BUF_SIZE]; |
2734 |
|
2735 |
int has_error;
|
2736 |
}; |
2737 |
|
2738 |
typedef struct QEMUFileSocket |
2739 |
{ |
2740 |
int fd;
|
2741 |
QEMUFile *file; |
2742 |
} QEMUFileSocket; |
2743 |
|
2744 |
static int socket_get_buffer(void *opaque, uint8_t *buf, int64_t pos, int size) |
2745 |
{ |
2746 |
QEMUFileSocket *s = opaque; |
2747 |
ssize_t len; |
2748 |
|
2749 |
do {
|
2750 |
len = recv(s->fd, buf, size, 0);
|
2751 |
} while (len == -1 && socket_error() == EINTR); |
2752 |
|
2753 |
if (len == -1) |
2754 |
len = -socket_error(); |
2755 |
|
2756 |
return len;
|
2757 |
} |
2758 |
|
2759 |
static int socket_close(void *opaque) |
2760 |
{ |
2761 |
QEMUFileSocket *s = opaque; |
2762 |
qemu_free(s); |
2763 |
return 0; |
2764 |
} |
2765 |
|
2766 |
QEMUFile *qemu_fopen_socket(int fd)
|
2767 |
{ |
2768 |
QEMUFileSocket *s = qemu_mallocz(sizeof(QEMUFileSocket));
|
2769 |
|
2770 |
if (s == NULL) |
2771 |
return NULL; |
2772 |
|
2773 |
s->fd = fd; |
2774 |
s->file = qemu_fopen_ops(s, NULL, socket_get_buffer, socket_close, NULL); |
2775 |
return s->file;
|
2776 |
} |
2777 |
|
2778 |
typedef struct QEMUFileStdio |
2779 |
{ |
2780 |
FILE *outfile; |
2781 |
} QEMUFileStdio; |
2782 |
|
2783 |
static int file_put_buffer(void *opaque, const uint8_t *buf, |
2784 |
int64_t pos, int size)
|
2785 |
{ |
2786 |
QEMUFileStdio *s = opaque; |
2787 |
fseek(s->outfile, pos, SEEK_SET); |
2788 |
fwrite(buf, 1, size, s->outfile);
|
2789 |
return size;
|
2790 |
} |
2791 |
|
2792 |
static int file_get_buffer(void *opaque, uint8_t *buf, int64_t pos, int size) |
2793 |
{ |
2794 |
QEMUFileStdio *s = opaque; |
2795 |
fseek(s->outfile, pos, SEEK_SET); |
2796 |
return fread(buf, 1, size, s->outfile); |
2797 |
} |
2798 |
|
2799 |
static int file_close(void *opaque) |
2800 |
{ |
2801 |
QEMUFileStdio *s = opaque; |
2802 |
fclose(s->outfile); |
2803 |
qemu_free(s); |
2804 |
return 0; |
2805 |
} |
2806 |
|
2807 |
QEMUFile *qemu_fopen(const char *filename, const char *mode) |
2808 |
{ |
2809 |
QEMUFileStdio *s; |
2810 |
|
2811 |
s = qemu_mallocz(sizeof(QEMUFileStdio));
|
2812 |
if (!s)
|
2813 |
return NULL; |
2814 |
|
2815 |
s->outfile = fopen(filename, mode); |
2816 |
if (!s->outfile)
|
2817 |
goto fail;
|
2818 |
|
2819 |
if (!strcmp(mode, "wb")) |
2820 |
return qemu_fopen_ops(s, file_put_buffer, NULL, file_close, NULL); |
2821 |
else if (!strcmp(mode, "rb")) |
2822 |
return qemu_fopen_ops(s, NULL, file_get_buffer, file_close, NULL); |
2823 |
|
2824 |
fail:
|
2825 |
if (s->outfile)
|
2826 |
fclose(s->outfile); |
2827 |
qemu_free(s); |
2828 |
return NULL; |
2829 |
} |
2830 |
|
2831 |
typedef struct QEMUFileBdrv |
2832 |
{ |
2833 |
BlockDriverState *bs; |
2834 |
int64_t base_offset; |
2835 |
} QEMUFileBdrv; |
2836 |
|
2837 |
static int bdrv_put_buffer(void *opaque, const uint8_t *buf, |
2838 |
int64_t pos, int size)
|
2839 |
{ |
2840 |
QEMUFileBdrv *s = opaque; |
2841 |
bdrv_pwrite(s->bs, s->base_offset + pos, buf, size); |
2842 |
return size;
|
2843 |
} |
2844 |
|
2845 |
static int bdrv_get_buffer(void *opaque, uint8_t *buf, int64_t pos, int size) |
2846 |
{ |
2847 |
QEMUFileBdrv *s = opaque; |
2848 |
return bdrv_pread(s->bs, s->base_offset + pos, buf, size);
|
2849 |
} |
2850 |
|
2851 |
static int bdrv_fclose(void *opaque) |
2852 |
{ |
2853 |
QEMUFileBdrv *s = opaque; |
2854 |
qemu_free(s); |
2855 |
return 0; |
2856 |
} |
2857 |
|
2858 |
static QEMUFile *qemu_fopen_bdrv(BlockDriverState *bs, int64_t offset, int is_writable) |
2859 |
{ |
2860 |
QEMUFileBdrv *s; |
2861 |
|
2862 |
s = qemu_mallocz(sizeof(QEMUFileBdrv));
|
2863 |
if (!s)
|
2864 |
return NULL; |
2865 |
|
2866 |
s->bs = bs; |
2867 |
s->base_offset = offset; |
2868 |
|
2869 |
if (is_writable)
|
2870 |
return qemu_fopen_ops(s, bdrv_put_buffer, NULL, bdrv_fclose, NULL); |
2871 |
|
2872 |
return qemu_fopen_ops(s, NULL, bdrv_get_buffer, bdrv_fclose, NULL); |
2873 |
} |
2874 |
|
2875 |
QEMUFile *qemu_fopen_ops(void *opaque, QEMUFilePutBufferFunc *put_buffer,
|
2876 |
QEMUFileGetBufferFunc *get_buffer, |
2877 |
QEMUFileCloseFunc *close, |
2878 |
QEMUFileRateLimit *rate_limit) |
2879 |
{ |
2880 |
QEMUFile *f; |
2881 |
|
2882 |
f = qemu_mallocz(sizeof(QEMUFile));
|
2883 |
if (!f)
|
2884 |
return NULL; |
2885 |
|
2886 |
f->opaque = opaque; |
2887 |
f->put_buffer = put_buffer; |
2888 |
f->get_buffer = get_buffer; |
2889 |
f->close = close; |
2890 |
f->rate_limit = rate_limit; |
2891 |
f->is_write = 0;
|
2892 |
|
2893 |
return f;
|
2894 |
} |
2895 |
|
2896 |
int qemu_file_has_error(QEMUFile *f)
|
2897 |
{ |
2898 |
return f->has_error;
|
2899 |
} |
2900 |
|
2901 |
void qemu_fflush(QEMUFile *f)
|
2902 |
{ |
2903 |
if (!f->put_buffer)
|
2904 |
return;
|
2905 |
|
2906 |
if (f->is_write && f->buf_index > 0) { |
2907 |
int len;
|
2908 |
|
2909 |
len = f->put_buffer(f->opaque, f->buf, f->buf_offset, f->buf_index); |
2910 |
if (len > 0) |
2911 |
f->buf_offset += f->buf_index; |
2912 |
else
|
2913 |
f->has_error = 1;
|
2914 |
f->buf_index = 0;
|
2915 |
} |
2916 |
} |
2917 |
|
2918 |
static void qemu_fill_buffer(QEMUFile *f) |
2919 |
{ |
2920 |
int len;
|
2921 |
|
2922 |
if (!f->get_buffer)
|
2923 |
return;
|
2924 |
|
2925 |
if (f->is_write)
|
2926 |
abort(); |
2927 |
|
2928 |
len = f->get_buffer(f->opaque, f->buf, f->buf_offset, IO_BUF_SIZE); |
2929 |
if (len > 0) { |
2930 |
f->buf_index = 0;
|
2931 |
f->buf_size = len; |
2932 |
f->buf_offset += len; |
2933 |
} else if (len != -EAGAIN) |
2934 |
f->has_error = 1;
|
2935 |
} |
2936 |
|
2937 |
int qemu_fclose(QEMUFile *f)
|
2938 |
{ |
2939 |
int ret = 0; |
2940 |
qemu_fflush(f); |
2941 |
if (f->close)
|
2942 |
ret = f->close(f->opaque); |
2943 |
qemu_free(f); |
2944 |
return ret;
|
2945 |
} |
2946 |
|
2947 |
void qemu_file_put_notify(QEMUFile *f)
|
2948 |
{ |
2949 |
f->put_buffer(f->opaque, NULL, 0, 0); |
2950 |
} |
2951 |
|
2952 |
void qemu_put_buffer(QEMUFile *f, const uint8_t *buf, int size) |
2953 |
{ |
2954 |
int l;
|
2955 |
|
2956 |
if (!f->has_error && f->is_write == 0 && f->buf_index > 0) { |
2957 |
fprintf(stderr, |
2958 |
"Attempted to write to buffer while read buffer is not empty\n");
|
2959 |
abort(); |
2960 |
} |
2961 |
|
2962 |
while (!f->has_error && size > 0) { |
2963 |
l = IO_BUF_SIZE - f->buf_index; |
2964 |
if (l > size)
|
2965 |
l = size; |
2966 |
memcpy(f->buf + f->buf_index, buf, l); |
2967 |
f->is_write = 1;
|
2968 |
f->buf_index += l; |
2969 |
buf += l; |
2970 |
size -= l; |
2971 |
if (f->buf_index >= IO_BUF_SIZE)
|
2972 |
qemu_fflush(f); |
2973 |
} |
2974 |
} |
2975 |
|
2976 |
void qemu_put_byte(QEMUFile *f, int v) |
2977 |
{ |
2978 |
if (!f->has_error && f->is_write == 0 && f->buf_index > 0) { |
2979 |
fprintf(stderr, |
2980 |
"Attempted to write to buffer while read buffer is not empty\n");
|
2981 |
abort(); |
2982 |
} |
2983 |
|
2984 |
f->buf[f->buf_index++] = v; |
2985 |
f->is_write = 1;
|
2986 |
if (f->buf_index >= IO_BUF_SIZE)
|
2987 |
qemu_fflush(f); |
2988 |
} |
2989 |
|
2990 |
int qemu_get_buffer(QEMUFile *f, uint8_t *buf, int size1) |
2991 |
{ |
2992 |
int size, l;
|
2993 |
|
2994 |
if (f->is_write)
|
2995 |
abort(); |
2996 |
|
2997 |
size = size1; |
2998 |
while (size > 0) { |
2999 |
l = f->buf_size - f->buf_index; |
3000 |
if (l == 0) { |
3001 |
qemu_fill_buffer(f); |
3002 |
l = f->buf_size - f->buf_index; |
3003 |
if (l == 0) |
3004 |
break;
|
3005 |
} |
3006 |
if (l > size)
|
3007 |
l = size; |
3008 |
memcpy(buf, f->buf + f->buf_index, l); |
3009 |
f->buf_index += l; |
3010 |
buf += l; |
3011 |
size -= l; |
3012 |
} |
3013 |
return size1 - size;
|
3014 |
} |
3015 |
|
3016 |
int qemu_get_byte(QEMUFile *f)
|
3017 |
{ |
3018 |
if (f->is_write)
|
3019 |
abort(); |
3020 |
|
3021 |
if (f->buf_index >= f->buf_size) {
|
3022 |
qemu_fill_buffer(f); |
3023 |
if (f->buf_index >= f->buf_size)
|
3024 |
return 0; |
3025 |
} |
3026 |
return f->buf[f->buf_index++];
|
3027 |
} |
3028 |
|
3029 |
int64_t qemu_ftell(QEMUFile *f) |
3030 |
{ |
3031 |
return f->buf_offset - f->buf_size + f->buf_index;
|
3032 |
} |
3033 |
|
3034 |
int64_t qemu_fseek(QEMUFile *f, int64_t pos, int whence)
|
3035 |
{ |
3036 |
if (whence == SEEK_SET) {
|
3037 |
/* nothing to do */
|
3038 |
} else if (whence == SEEK_CUR) { |
3039 |
pos += qemu_ftell(f); |
3040 |
} else {
|
3041 |
/* SEEK_END not supported */
|
3042 |
return -1; |
3043 |
} |
3044 |
if (f->put_buffer) {
|
3045 |
qemu_fflush(f); |
3046 |
f->buf_offset = pos; |
3047 |
} else {
|
3048 |
f->buf_offset = pos; |
3049 |
f->buf_index = 0;
|
3050 |
f->buf_size = 0;
|
3051 |
} |
3052 |
return pos;
|
3053 |
} |
3054 |
|
3055 |
int qemu_file_rate_limit(QEMUFile *f)
|
3056 |
{ |
3057 |
if (f->rate_limit)
|
3058 |
return f->rate_limit(f->opaque);
|
3059 |
|
3060 |
return 0; |
3061 |
} |
3062 |
|
3063 |
void qemu_put_be16(QEMUFile *f, unsigned int v) |
3064 |
{ |
3065 |
qemu_put_byte(f, v >> 8);
|
3066 |
qemu_put_byte(f, v); |
3067 |
} |
3068 |
|
3069 |
void qemu_put_be32(QEMUFile *f, unsigned int v) |
3070 |
{ |
3071 |
qemu_put_byte(f, v >> 24);
|
3072 |
qemu_put_byte(f, v >> 16);
|
3073 |
qemu_put_byte(f, v >> 8);
|
3074 |
qemu_put_byte(f, v); |
3075 |
} |
3076 |
|
3077 |
void qemu_put_be64(QEMUFile *f, uint64_t v)
|
3078 |
{ |
3079 |
qemu_put_be32(f, v >> 32);
|
3080 |
qemu_put_be32(f, v); |
3081 |
} |
3082 |
|
3083 |
unsigned int qemu_get_be16(QEMUFile *f) |
3084 |
{ |
3085 |
unsigned int v; |
3086 |
v = qemu_get_byte(f) << 8;
|
3087 |
v |= qemu_get_byte(f); |
3088 |
return v;
|
3089 |
} |
3090 |
|
3091 |
unsigned int qemu_get_be32(QEMUFile *f) |
3092 |
{ |
3093 |
unsigned int v; |
3094 |
v = qemu_get_byte(f) << 24;
|
3095 |
v |= qemu_get_byte(f) << 16;
|
3096 |
v |= qemu_get_byte(f) << 8;
|
3097 |
v |= qemu_get_byte(f); |
3098 |
return v;
|
3099 |
} |
3100 |
|
3101 |
uint64_t qemu_get_be64(QEMUFile *f) |
3102 |
{ |
3103 |
uint64_t v; |
3104 |
v = (uint64_t)qemu_get_be32(f) << 32;
|
3105 |
v |= qemu_get_be32(f); |
3106 |
return v;
|
3107 |
} |
3108 |
|
3109 |
typedef struct SaveStateEntry { |
3110 |
char idstr[256]; |
3111 |
int instance_id;
|
3112 |
int version_id;
|
3113 |
int section_id;
|
3114 |
SaveLiveStateHandler *save_live_state; |
3115 |
SaveStateHandler *save_state; |
3116 |
LoadStateHandler *load_state; |
3117 |
void *opaque;
|
3118 |
struct SaveStateEntry *next;
|
3119 |
} SaveStateEntry; |
3120 |
|
3121 |
static SaveStateEntry *first_se;
|
3122 |
|
3123 |
/* TODO: Individual devices generally have very little idea about the rest
|
3124 |
of the system, so instance_id should be removed/replaced.
|
3125 |
Meanwhile pass -1 as instance_id if you do not already have a clearly
|
3126 |
distinguishing id for all instances of your device class. */
|
3127 |
int register_savevm_live(const char *idstr, |
3128 |
int instance_id,
|
3129 |
int version_id,
|
3130 |
SaveLiveStateHandler *save_live_state, |
3131 |
SaveStateHandler *save_state, |
3132 |
LoadStateHandler *load_state, |
3133 |
void *opaque)
|
3134 |
{ |
3135 |
SaveStateEntry *se, **pse; |
3136 |
static int global_section_id; |
3137 |
|
3138 |
se = qemu_malloc(sizeof(SaveStateEntry));
|
3139 |
if (!se)
|
3140 |
return -1; |
3141 |
pstrcpy(se->idstr, sizeof(se->idstr), idstr);
|
3142 |
se->instance_id = (instance_id == -1) ? 0 : instance_id; |
3143 |
se->version_id = version_id; |
3144 |
se->section_id = global_section_id++; |
3145 |
se->save_live_state = save_live_state; |
3146 |
se->save_state = save_state; |
3147 |
se->load_state = load_state; |
3148 |
se->opaque = opaque; |
3149 |
se->next = NULL;
|
3150 |
|
3151 |
/* add at the end of list */
|
3152 |
pse = &first_se; |
3153 |
while (*pse != NULL) { |
3154 |
if (instance_id == -1 |
3155 |
&& strcmp(se->idstr, (*pse)->idstr) == 0
|
3156 |
&& se->instance_id <= (*pse)->instance_id) |
3157 |
se->instance_id = (*pse)->instance_id + 1;
|
3158 |
pse = &(*pse)->next; |
3159 |
} |
3160 |
*pse = se; |
3161 |
return 0; |
3162 |
} |
3163 |
|
3164 |
int register_savevm(const char *idstr, |
3165 |
int instance_id,
|
3166 |
int version_id,
|
3167 |
SaveStateHandler *save_state, |
3168 |
LoadStateHandler *load_state, |
3169 |
void *opaque)
|
3170 |
{ |
3171 |
return register_savevm_live(idstr, instance_id, version_id,
|
3172 |
NULL, save_state, load_state, opaque);
|
3173 |
} |
3174 |
|
3175 |
#define QEMU_VM_FILE_MAGIC 0x5145564d |
3176 |
#define QEMU_VM_FILE_VERSION_COMPAT 0x00000002 |
3177 |
#define QEMU_VM_FILE_VERSION 0x00000003 |
3178 |
|
3179 |
#define QEMU_VM_EOF 0x00 |
3180 |
#define QEMU_VM_SECTION_START 0x01 |
3181 |
#define QEMU_VM_SECTION_PART 0x02 |
3182 |
#define QEMU_VM_SECTION_END 0x03 |
3183 |
#define QEMU_VM_SECTION_FULL 0x04 |
3184 |
|
3185 |
int qemu_savevm_state_begin(QEMUFile *f)
|
3186 |
{ |
3187 |
SaveStateEntry *se; |
3188 |
|
3189 |
qemu_put_be32(f, QEMU_VM_FILE_MAGIC); |
3190 |
qemu_put_be32(f, QEMU_VM_FILE_VERSION); |
3191 |
|
3192 |
for (se = first_se; se != NULL; se = se->next) { |
3193 |
int len;
|
3194 |
|
3195 |
if (se->save_live_state == NULL) |
3196 |
continue;
|
3197 |
|
3198 |
/* Section type */
|
3199 |
qemu_put_byte(f, QEMU_VM_SECTION_START); |
3200 |
qemu_put_be32(f, se->section_id); |
3201 |
|
3202 |
/* ID string */
|
3203 |
len = strlen(se->idstr); |
3204 |
qemu_put_byte(f, len); |
3205 |
qemu_put_buffer(f, (uint8_t *)se->idstr, len); |
3206 |
|
3207 |
qemu_put_be32(f, se->instance_id); |
3208 |
qemu_put_be32(f, se->version_id); |
3209 |
|
3210 |
se->save_live_state(f, QEMU_VM_SECTION_START, se->opaque); |
3211 |
} |
3212 |
|
3213 |
if (qemu_file_has_error(f))
|
3214 |
return -EIO;
|
3215 |
|
3216 |
return 0; |
3217 |
} |
3218 |
|
3219 |
int qemu_savevm_state_iterate(QEMUFile *f)
|
3220 |
{ |
3221 |
SaveStateEntry *se; |
3222 |
int ret = 1; |
3223 |
|
3224 |
for (se = first_se; se != NULL; se = se->next) { |
3225 |
if (se->save_live_state == NULL) |
3226 |
continue;
|
3227 |
|
3228 |
/* Section type */
|
3229 |
qemu_put_byte(f, QEMU_VM_SECTION_PART); |
3230 |
qemu_put_be32(f, se->section_id); |
3231 |
|
3232 |
ret &= !!se->save_live_state(f, QEMU_VM_SECTION_PART, se->opaque); |
3233 |
} |
3234 |
|
3235 |
if (ret)
|
3236 |
return 1; |
3237 |
|
3238 |
if (qemu_file_has_error(f))
|
3239 |
return -EIO;
|
3240 |
|
3241 |
return 0; |
3242 |
} |
3243 |
|
3244 |
int qemu_savevm_state_complete(QEMUFile *f)
|
3245 |
{ |
3246 |
SaveStateEntry *se; |
3247 |
|
3248 |
for (se = first_se; se != NULL; se = se->next) { |
3249 |
if (se->save_live_state == NULL) |
3250 |
continue;
|
3251 |
|
3252 |
/* Section type */
|
3253 |
qemu_put_byte(f, QEMU_VM_SECTION_END); |
3254 |
qemu_put_be32(f, se->section_id); |
3255 |
|
3256 |
se->save_live_state(f, QEMU_VM_SECTION_END, se->opaque); |
3257 |
} |
3258 |
|
3259 |
for(se = first_se; se != NULL; se = se->next) { |
3260 |
int len;
|
3261 |
|
3262 |
if (se->save_state == NULL) |
3263 |
continue;
|
3264 |
|
3265 |
/* Section type */
|
3266 |
qemu_put_byte(f, QEMU_VM_SECTION_FULL); |
3267 |
qemu_put_be32(f, se->section_id); |
3268 |
|
3269 |
/* ID string */
|
3270 |
len = strlen(se->idstr); |
3271 |
qemu_put_byte(f, len); |
3272 |
qemu_put_buffer(f, (uint8_t *)se->idstr, len); |
3273 |
|
3274 |
qemu_put_be32(f, se->instance_id); |
3275 |
qemu_put_be32(f, se->version_id); |
3276 |
|
3277 |
se->save_state(f, se->opaque); |
3278 |
} |
3279 |
|
3280 |
qemu_put_byte(f, QEMU_VM_EOF); |
3281 |
|
3282 |
if (qemu_file_has_error(f))
|
3283 |
return -EIO;
|
3284 |
|
3285 |
return 0; |
3286 |
} |
3287 |
|
3288 |
int qemu_savevm_state(QEMUFile *f)
|
3289 |
{ |
3290 |
int saved_vm_running;
|
3291 |
int ret;
|
3292 |
|
3293 |
saved_vm_running = vm_running; |
3294 |
vm_stop(0);
|
3295 |
|
3296 |
bdrv_flush_all(); |
3297 |
|
3298 |
ret = qemu_savevm_state_begin(f); |
3299 |
if (ret < 0) |
3300 |
goto out;
|
3301 |
|
3302 |
do {
|
3303 |
ret = qemu_savevm_state_iterate(f); |
3304 |
if (ret < 0) |
3305 |
goto out;
|
3306 |
} while (ret == 0); |
3307 |
|
3308 |
ret = qemu_savevm_state_complete(f); |
3309 |
|
3310 |
out:
|
3311 |
if (qemu_file_has_error(f))
|
3312 |
ret = -EIO; |
3313 |
|
3314 |
if (!ret && saved_vm_running)
|
3315 |
vm_start(); |
3316 |
|
3317 |
return ret;
|
3318 |
} |
3319 |
|
3320 |
static SaveStateEntry *find_se(const char *idstr, int instance_id) |
3321 |
{ |
3322 |
SaveStateEntry *se; |
3323 |
|
3324 |
for(se = first_se; se != NULL; se = se->next) { |
3325 |
if (!strcmp(se->idstr, idstr) &&
|
3326 |
instance_id == se->instance_id) |
3327 |
return se;
|
3328 |
} |
3329 |
return NULL; |
3330 |
} |
3331 |
|
3332 |
typedef struct LoadStateEntry { |
3333 |
SaveStateEntry *se; |
3334 |
int section_id;
|
3335 |
int version_id;
|
3336 |
struct LoadStateEntry *next;
|
3337 |
} LoadStateEntry; |
3338 |
|
3339 |
static int qemu_loadvm_state_v2(QEMUFile *f) |
3340 |
{ |
3341 |
SaveStateEntry *se; |
3342 |
int len, ret, instance_id, record_len, version_id;
|
3343 |
int64_t total_len, end_pos, cur_pos; |
3344 |
char idstr[256]; |
3345 |
|
3346 |
total_len = qemu_get_be64(f); |
3347 |
end_pos = total_len + qemu_ftell(f); |
3348 |
for(;;) {
|
3349 |
if (qemu_ftell(f) >= end_pos)
|
3350 |
break;
|
3351 |
len = qemu_get_byte(f); |
3352 |
qemu_get_buffer(f, (uint8_t *)idstr, len); |
3353 |
idstr[len] = '\0';
|
3354 |
instance_id = qemu_get_be32(f); |
3355 |
version_id = qemu_get_be32(f); |
3356 |
record_len = qemu_get_be32(f); |
3357 |
cur_pos = qemu_ftell(f); |
3358 |
se = find_se(idstr, instance_id); |
3359 |
if (!se) {
|
3360 |
fprintf(stderr, "qemu: warning: instance 0x%x of device '%s' not present in current VM\n",
|
3361 |
instance_id, idstr); |
3362 |
} else {
|
3363 |
ret = se->load_state(f, se->opaque, version_id); |
3364 |
if (ret < 0) { |
3365 |
fprintf(stderr, "qemu: warning: error while loading state for instance 0x%x of device '%s'\n",
|
3366 |
instance_id, idstr); |
3367 |
} |
3368 |
} |
3369 |
/* always seek to exact end of record */
|
3370 |
qemu_fseek(f, cur_pos + record_len, SEEK_SET); |
3371 |
} |
3372 |
|
3373 |
if (qemu_file_has_error(f))
|
3374 |
return -EIO;
|
3375 |
|
3376 |
return 0; |
3377 |
} |
3378 |
|
3379 |
int qemu_loadvm_state(QEMUFile *f)
|
3380 |
{ |
3381 |
LoadStateEntry *first_le = NULL;
|
3382 |
uint8_t section_type; |
3383 |
unsigned int v; |
3384 |
int ret;
|
3385 |
|
3386 |
v = qemu_get_be32(f); |
3387 |
if (v != QEMU_VM_FILE_MAGIC)
|
3388 |
return -EINVAL;
|
3389 |
|
3390 |
v = qemu_get_be32(f); |
3391 |
if (v == QEMU_VM_FILE_VERSION_COMPAT)
|
3392 |
return qemu_loadvm_state_v2(f);
|
3393 |
if (v != QEMU_VM_FILE_VERSION)
|
3394 |
return -ENOTSUP;
|
3395 |
|
3396 |
while ((section_type = qemu_get_byte(f)) != QEMU_VM_EOF) {
|
3397 |
uint32_t instance_id, version_id, section_id; |
3398 |
LoadStateEntry *le; |
3399 |
SaveStateEntry *se; |
3400 |
char idstr[257]; |
3401 |
int len;
|
3402 |
|
3403 |
switch (section_type) {
|
3404 |
case QEMU_VM_SECTION_START:
|
3405 |
case QEMU_VM_SECTION_FULL:
|
3406 |
/* Read section start */
|
3407 |
section_id = qemu_get_be32(f); |
3408 |
len = qemu_get_byte(f); |
3409 |
qemu_get_buffer(f, (uint8_t *)idstr, len); |
3410 |
idstr[len] = 0;
|
3411 |
instance_id = qemu_get_be32(f); |
3412 |
version_id = qemu_get_be32(f); |
3413 |
|
3414 |
/* Find savevm section */
|
3415 |
se = find_se(idstr, instance_id); |
3416 |
if (se == NULL) { |
3417 |
fprintf(stderr, "Unknown savevm section or instance '%s' %d\n", idstr, instance_id);
|
3418 |
ret = -EINVAL; |
3419 |
goto out;
|
3420 |
} |
3421 |
|
3422 |
/* Validate version */
|
3423 |
if (version_id > se->version_id) {
|
3424 |
fprintf(stderr, "savevm: unsupported version %d for '%s' v%d\n",
|
3425 |
version_id, idstr, se->version_id); |
3426 |
ret = -EINVAL; |
3427 |
goto out;
|
3428 |
} |
3429 |
|
3430 |
/* Add entry */
|
3431 |
le = qemu_mallocz(sizeof(*le));
|
3432 |
if (le == NULL) { |
3433 |
ret = -ENOMEM; |
3434 |
goto out;
|
3435 |
} |
3436 |
|
3437 |
le->se = se; |
3438 |
le->section_id = section_id; |
3439 |
le->version_id = version_id; |
3440 |
le->next = first_le; |
3441 |
first_le = le; |
3442 |
|
3443 |
le->se->load_state(f, le->se->opaque, le->version_id); |
3444 |
break;
|
3445 |
case QEMU_VM_SECTION_PART:
|
3446 |
case QEMU_VM_SECTION_END:
|
3447 |
section_id = qemu_get_be32(f); |
3448 |
|
3449 |
for (le = first_le; le && le->section_id != section_id; le = le->next);
|
3450 |
if (le == NULL) { |
3451 |
fprintf(stderr, "Unknown savevm section %d\n", section_id);
|
3452 |
ret = -EINVAL; |
3453 |
goto out;
|
3454 |
} |
3455 |
|
3456 |
le->se->load_state(f, le->se->opaque, le->version_id); |
3457 |
break;
|
3458 |
default:
|
3459 |
fprintf(stderr, "Unknown savevm section type %d\n", section_type);
|
3460 |
ret = -EINVAL; |
3461 |
goto out;
|
3462 |
} |
3463 |
} |
3464 |
|
3465 |
ret = 0;
|
3466 |
|
3467 |
out:
|
3468 |
while (first_le) {
|
3469 |
LoadStateEntry *le = first_le; |
3470 |
first_le = first_le->next; |
3471 |
qemu_free(le); |
3472 |
} |
3473 |
|
3474 |
if (qemu_file_has_error(f))
|
3475 |
ret = -EIO; |
3476 |
|
3477 |
return ret;
|
3478 |
} |
3479 |
|
3480 |
/* device can contain snapshots */
|
3481 |
static int bdrv_can_snapshot(BlockDriverState *bs) |
3482 |
{ |
3483 |
return (bs &&
|
3484 |
!bdrv_is_removable(bs) && |
3485 |
!bdrv_is_read_only(bs)); |
3486 |
} |
3487 |
|
3488 |
/* device must be snapshots in order to have a reliable snapshot */
|
3489 |
static int bdrv_has_snapshot(BlockDriverState *bs) |
3490 |
{ |
3491 |
return (bs &&
|
3492 |
!bdrv_is_removable(bs) && |
3493 |
!bdrv_is_read_only(bs)); |
3494 |
} |
3495 |
|
3496 |
static BlockDriverState *get_bs_snapshots(void) |
3497 |
{ |
3498 |
BlockDriverState *bs; |
3499 |
int i;
|
3500 |
|
3501 |
if (bs_snapshots)
|
3502 |
return bs_snapshots;
|
3503 |
for(i = 0; i <= nb_drives; i++) { |
3504 |
bs = drives_table[i].bdrv; |
3505 |
if (bdrv_can_snapshot(bs))
|
3506 |
goto ok;
|
3507 |
} |
3508 |
return NULL; |
3509 |
ok:
|
3510 |
bs_snapshots = bs; |
3511 |
return bs;
|
3512 |
} |
3513 |
|
3514 |
static int bdrv_snapshot_find(BlockDriverState *bs, QEMUSnapshotInfo *sn_info, |
3515 |
const char *name) |
3516 |
{ |
3517 |
QEMUSnapshotInfo *sn_tab, *sn; |
3518 |
int nb_sns, i, ret;
|
3519 |
|
3520 |
ret = -ENOENT; |
3521 |
nb_sns = bdrv_snapshot_list(bs, &sn_tab); |
3522 |
if (nb_sns < 0) |
3523 |
return ret;
|
3524 |
for(i = 0; i < nb_sns; i++) { |
3525 |
sn = &sn_tab[i]; |
3526 |
if (!strcmp(sn->id_str, name) || !strcmp(sn->name, name)) {
|
3527 |
*sn_info = *sn; |
3528 |
ret = 0;
|
3529 |
break;
|
3530 |
} |
3531 |
} |
3532 |
qemu_free(sn_tab); |
3533 |
return ret;
|
3534 |
} |
3535 |
|
3536 |
void do_savevm(const char *name) |
3537 |
{ |
3538 |
BlockDriverState *bs, *bs1; |
3539 |
QEMUSnapshotInfo sn1, *sn = &sn1, old_sn1, *old_sn = &old_sn1; |
3540 |
int must_delete, ret, i;
|
3541 |
BlockDriverInfo bdi1, *bdi = &bdi1; |
3542 |
QEMUFile *f; |
3543 |
int saved_vm_running;
|
3544 |
#ifdef _WIN32
|
3545 |
struct _timeb tb;
|
3546 |
#else
|
3547 |
struct timeval tv;
|
3548 |
#endif
|
3549 |
|
3550 |
bs = get_bs_snapshots(); |
3551 |
if (!bs) {
|
3552 |
term_printf("No block device can accept snapshots\n");
|
3553 |
return;
|
3554 |
} |
3555 |
|
3556 |
/* ??? Should this occur after vm_stop? */
|
3557 |
qemu_aio_flush(); |
3558 |
|
3559 |
saved_vm_running = vm_running; |
3560 |
vm_stop(0);
|
3561 |
|
3562 |
must_delete = 0;
|
3563 |
if (name) {
|
3564 |
ret = bdrv_snapshot_find(bs, old_sn, name); |
3565 |
if (ret >= 0) { |
3566 |
must_delete = 1;
|
3567 |
} |
3568 |
} |
3569 |
memset(sn, 0, sizeof(*sn)); |
3570 |
if (must_delete) {
|
3571 |
pstrcpy(sn->name, sizeof(sn->name), old_sn->name);
|
3572 |
pstrcpy(sn->id_str, sizeof(sn->id_str), old_sn->id_str);
|
3573 |
} else {
|
3574 |
if (name)
|
3575 |
pstrcpy(sn->name, sizeof(sn->name), name);
|
3576 |
} |
3577 |
|
3578 |
/* fill auxiliary fields */
|
3579 |
#ifdef _WIN32
|
3580 |
_ftime(&tb); |
3581 |
sn->date_sec = tb.time; |
3582 |
sn->date_nsec = tb.millitm * 1000000;
|
3583 |
#else
|
3584 |
gettimeofday(&tv, NULL);
|
3585 |
sn->date_sec = tv.tv_sec; |
3586 |
sn->date_nsec = tv.tv_usec * 1000;
|
3587 |
#endif
|
3588 |
sn->vm_clock_nsec = qemu_get_clock(vm_clock); |
3589 |
|
3590 |
if (bdrv_get_info(bs, bdi) < 0 || bdi->vm_state_offset <= 0) { |
3591 |
term_printf("Device %s does not support VM state snapshots\n",
|
3592 |
bdrv_get_device_name(bs)); |
3593 |
goto the_end;
|
3594 |
} |
3595 |
|
3596 |
/* save the VM state */
|
3597 |
f = qemu_fopen_bdrv(bs, bdi->vm_state_offset, 1);
|
3598 |
if (!f) {
|
3599 |
term_printf("Could not open VM state file\n");
|
3600 |
goto the_end;
|
3601 |
} |
3602 |
ret = qemu_savevm_state(f); |
3603 |
sn->vm_state_size = qemu_ftell(f); |
3604 |
qemu_fclose(f); |
3605 |
if (ret < 0) { |
3606 |
term_printf("Error %d while writing VM\n", ret);
|
3607 |
goto the_end;
|
3608 |
} |
3609 |
|
3610 |
/* create the snapshots */
|
3611 |
|
3612 |
for(i = 0; i < nb_drives; i++) { |
3613 |
bs1 = drives_table[i].bdrv; |
3614 |
if (bdrv_has_snapshot(bs1)) {
|
3615 |
if (must_delete) {
|
3616 |
ret = bdrv_snapshot_delete(bs1, old_sn->id_str); |
3617 |
if (ret < 0) { |
3618 |
term_printf("Error while deleting snapshot on '%s'\n",
|
3619 |
bdrv_get_device_name(bs1)); |
3620 |
} |
3621 |
} |
3622 |
ret = bdrv_snapshot_create(bs1, sn); |
3623 |
if (ret < 0) { |
3624 |
term_printf("Error while creating snapshot on '%s'\n",
|
3625 |
bdrv_get_device_name(bs1)); |
3626 |
} |
3627 |
} |
3628 |
} |
3629 |
|
3630 |
the_end:
|
3631 |
if (saved_vm_running)
|
3632 |
vm_start(); |
3633 |
} |
3634 |
|
3635 |
void do_loadvm(const char *name) |
3636 |
{ |
3637 |
BlockDriverState *bs, *bs1; |
3638 |
BlockDriverInfo bdi1, *bdi = &bdi1; |
3639 |
QEMUFile *f; |
3640 |
int i, ret;
|
3641 |
int saved_vm_running;
|
3642 |
|
3643 |
bs = get_bs_snapshots(); |
3644 |
if (!bs) {
|
3645 |
term_printf("No block device supports snapshots\n");
|
3646 |
return;
|
3647 |
} |
3648 |
|
3649 |
/* Flush all IO requests so they don't interfere with the new state. */
|
3650 |
qemu_aio_flush(); |
3651 |
|
3652 |
saved_vm_running = vm_running; |
3653 |
vm_stop(0);
|
3654 |
|
3655 |
for(i = 0; i <= nb_drives; i++) { |
3656 |
bs1 = drives_table[i].bdrv; |
3657 |
if (bdrv_has_snapshot(bs1)) {
|
3658 |
ret = bdrv_snapshot_goto(bs1, name); |
3659 |
if (ret < 0) { |
3660 |
if (bs != bs1)
|
3661 |
term_printf("Warning: ");
|
3662 |
switch(ret) {
|
3663 |
case -ENOTSUP:
|
3664 |
term_printf("Snapshots not supported on device '%s'\n",
|
3665 |
bdrv_get_device_name(bs1)); |
3666 |
break;
|
3667 |
case -ENOENT:
|
3668 |
term_printf("Could not find snapshot '%s' on device '%s'\n",
|
3669 |
name, bdrv_get_device_name(bs1)); |
3670 |
break;
|
3671 |
default:
|
3672 |
term_printf("Error %d while activating snapshot on '%s'\n",
|
3673 |
ret, bdrv_get_device_name(bs1)); |
3674 |
break;
|
3675 |
} |
3676 |
/* fatal on snapshot block device */
|
3677 |
if (bs == bs1)
|
3678 |
goto the_end;
|
3679 |
} |
3680 |
} |
3681 |
} |
3682 |
|
3683 |
if (bdrv_get_info(bs, bdi) < 0 || bdi->vm_state_offset <= 0) { |
3684 |
term_printf("Device %s does not support VM state snapshots\n",
|
3685 |
bdrv_get_device_name(bs)); |
3686 |
return;
|
3687 |
} |
3688 |
|
3689 |
/* restore the VM state */
|
3690 |
f = qemu_fopen_bdrv(bs, bdi->vm_state_offset, 0);
|
3691 |
if (!f) {
|
3692 |
term_printf("Could not open VM state file\n");
|
3693 |
goto the_end;
|
3694 |
} |
3695 |
ret = qemu_loadvm_state(f); |
3696 |
qemu_fclose(f); |
3697 |
if (ret < 0) { |
3698 |
term_printf("Error %d while loading VM state\n", ret);
|
3699 |
} |
3700 |
the_end:
|
3701 |
if (saved_vm_running)
|
3702 |
vm_start(); |
3703 |
} |
3704 |
|
3705 |
void do_delvm(const char *name) |
3706 |
{ |
3707 |
BlockDriverState *bs, *bs1; |
3708 |
int i, ret;
|
3709 |
|
3710 |
bs = get_bs_snapshots(); |
3711 |
if (!bs) {
|
3712 |
term_printf("No block device supports snapshots\n");
|
3713 |
return;
|
3714 |
} |
3715 |
|
3716 |
for(i = 0; i <= nb_drives; i++) { |
3717 |
bs1 = drives_table[i].bdrv; |
3718 |
if (bdrv_has_snapshot(bs1)) {
|
3719 |
ret = bdrv_snapshot_delete(bs1, name); |
3720 |
if (ret < 0) { |
3721 |
if (ret == -ENOTSUP)
|
3722 |
term_printf("Snapshots not supported on device '%s'\n",
|
3723 |
bdrv_get_device_name(bs1)); |
3724 |
else
|
3725 |
term_printf("Error %d while deleting snapshot on '%s'\n",
|
3726 |
ret, bdrv_get_device_name(bs1)); |
3727 |
} |
3728 |
} |
3729 |
} |
3730 |
} |
3731 |
|
3732 |
void do_info_snapshots(void) |
3733 |
{ |
3734 |
BlockDriverState *bs, *bs1; |
3735 |
QEMUSnapshotInfo *sn_tab, *sn; |
3736 |
int nb_sns, i;
|
3737 |
char buf[256]; |
3738 |
|
3739 |
bs = get_bs_snapshots(); |
3740 |
if (!bs) {
|
3741 |
term_printf("No available block device supports snapshots\n");
|
3742 |
return;
|
3743 |
} |
3744 |
term_printf("Snapshot devices:");
|
3745 |
for(i = 0; i <= nb_drives; i++) { |
3746 |
bs1 = drives_table[i].bdrv; |
3747 |
if (bdrv_has_snapshot(bs1)) {
|
3748 |
if (bs == bs1)
|
3749 |
term_printf(" %s", bdrv_get_device_name(bs1));
|
3750 |
} |
3751 |
} |
3752 |
term_printf("\n");
|
3753 |
|
3754 |
nb_sns = bdrv_snapshot_list(bs, &sn_tab); |
3755 |
if (nb_sns < 0) { |
3756 |
term_printf("bdrv_snapshot_list: error %d\n", nb_sns);
|
3757 |
return;
|
3758 |
} |
3759 |
term_printf("Snapshot list (from %s):\n", bdrv_get_device_name(bs));
|
3760 |
term_printf("%s\n", bdrv_snapshot_dump(buf, sizeof(buf), NULL)); |
3761 |
for(i = 0; i < nb_sns; i++) { |
3762 |
sn = &sn_tab[i]; |
3763 |
term_printf("%s\n", bdrv_snapshot_dump(buf, sizeof(buf), sn)); |
3764 |
} |
3765 |
qemu_free(sn_tab); |
3766 |
} |
3767 |
|
3768 |
/***********************************************************/
|
3769 |
/* ram save/restore */
|
3770 |
|
3771 |
static int ram_get_page(QEMUFile *f, uint8_t *buf, int len) |
3772 |
{ |
3773 |
int v;
|
3774 |
|
3775 |
v = qemu_get_byte(f); |
3776 |
switch(v) {
|
3777 |
case 0: |
3778 |
if (qemu_get_buffer(f, buf, len) != len)
|
3779 |
return -EIO;
|
3780 |
break;
|
3781 |
case 1: |
3782 |
v = qemu_get_byte(f); |
3783 |
memset(buf, v, len); |
3784 |
break;
|
3785 |
default:
|
3786 |
return -EINVAL;
|
3787 |
} |
3788 |
|
3789 |
if (qemu_file_has_error(f))
|
3790 |
return -EIO;
|
3791 |
|
3792 |
return 0; |
3793 |
} |
3794 |
|
3795 |
static int ram_load_v1(QEMUFile *f, void *opaque) |
3796 |
{ |
3797 |
int ret;
|
3798 |
ram_addr_t i; |
3799 |
|
3800 |
if (qemu_get_be32(f) != phys_ram_size)
|
3801 |
return -EINVAL;
|
3802 |
for(i = 0; i < phys_ram_size; i+= TARGET_PAGE_SIZE) { |
3803 |
ret = ram_get_page(f, phys_ram_base + i, TARGET_PAGE_SIZE); |
3804 |
if (ret)
|
3805 |
return ret;
|
3806 |
} |
3807 |
return 0; |
3808 |
} |
3809 |
|
3810 |
#define BDRV_HASH_BLOCK_SIZE 1024 |
3811 |
#define IOBUF_SIZE 4096 |
3812 |
#define RAM_CBLOCK_MAGIC 0xfabe |
3813 |
|
3814 |
typedef struct RamDecompressState { |
3815 |
z_stream zstream; |
3816 |
QEMUFile *f; |
3817 |
uint8_t buf[IOBUF_SIZE]; |
3818 |
} RamDecompressState; |
3819 |
|
3820 |
static int ram_decompress_open(RamDecompressState *s, QEMUFile *f) |
3821 |
{ |
3822 |
int ret;
|
3823 |
memset(s, 0, sizeof(*s)); |
3824 |
s->f = f; |
3825 |
ret = inflateInit(&s->zstream); |
3826 |
if (ret != Z_OK)
|
3827 |
return -1; |
3828 |
return 0; |
3829 |
} |
3830 |
|
3831 |
static int ram_decompress_buf(RamDecompressState *s, uint8_t *buf, int len) |
3832 |
{ |
3833 |
int ret, clen;
|
3834 |
|
3835 |
s->zstream.avail_out = len; |
3836 |
s->zstream.next_out = buf; |
3837 |
while (s->zstream.avail_out > 0) { |
3838 |
if (s->zstream.avail_in == 0) { |
3839 |
if (qemu_get_be16(s->f) != RAM_CBLOCK_MAGIC)
|
3840 |
return -1; |
3841 |
clen = qemu_get_be16(s->f); |
3842 |
if (clen > IOBUF_SIZE)
|
3843 |
return -1; |
3844 |
qemu_get_buffer(s->f, s->buf, clen); |
3845 |
s->zstream.avail_in = clen; |
3846 |
s->zstream.next_in = s->buf; |
3847 |
} |
3848 |
ret = inflate(&s->zstream, Z_PARTIAL_FLUSH); |
3849 |
if (ret != Z_OK && ret != Z_STREAM_END) {
|
3850 |
return -1; |
3851 |
} |
3852 |
} |
3853 |
return 0; |
3854 |
} |
3855 |
|
3856 |
static void ram_decompress_close(RamDecompressState *s) |
3857 |
{ |
3858 |
inflateEnd(&s->zstream); |
3859 |
} |
3860 |
|
3861 |
#define RAM_SAVE_FLAG_FULL 0x01 |
3862 |
#define RAM_SAVE_FLAG_COMPRESS 0x02 |
3863 |
#define RAM_SAVE_FLAG_MEM_SIZE 0x04 |
3864 |
#define RAM_SAVE_FLAG_PAGE 0x08 |
3865 |
#define RAM_SAVE_FLAG_EOS 0x10 |
3866 |
|
3867 |
static int is_dup_page(uint8_t *page, uint8_t ch) |
3868 |
{ |
3869 |
uint32_t val = ch << 24 | ch << 16 | ch << 8 | ch; |
3870 |
uint32_t *array = (uint32_t *)page; |
3871 |
int i;
|
3872 |
|
3873 |
for (i = 0; i < (TARGET_PAGE_SIZE / 4); i++) { |
3874 |
if (array[i] != val)
|
3875 |
return 0; |
3876 |
} |
3877 |
|
3878 |
return 1; |
3879 |
} |
3880 |
|
3881 |
static int ram_save_block(QEMUFile *f) |
3882 |
{ |
3883 |
static ram_addr_t current_addr = 0; |
3884 |
ram_addr_t saved_addr = current_addr; |
3885 |
ram_addr_t addr = 0;
|
3886 |
int found = 0; |
3887 |
|
3888 |
while (addr < phys_ram_size) {
|
3889 |
if (cpu_physical_memory_get_dirty(current_addr, MIGRATION_DIRTY_FLAG)) {
|
3890 |
uint8_t ch; |
3891 |
|
3892 |
cpu_physical_memory_reset_dirty(current_addr, |
3893 |
current_addr + TARGET_PAGE_SIZE, |
3894 |
MIGRATION_DIRTY_FLAG); |
3895 |
|
3896 |
ch = *(phys_ram_base + current_addr); |
3897 |
|
3898 |
if (is_dup_page(phys_ram_base + current_addr, ch)) {
|
3899 |
qemu_put_be64(f, current_addr | RAM_SAVE_FLAG_COMPRESS); |
3900 |
qemu_put_byte(f, ch); |
3901 |
} else {
|
3902 |
qemu_put_be64(f, current_addr | RAM_SAVE_FLAG_PAGE); |
3903 |
qemu_put_buffer(f, phys_ram_base + current_addr, TARGET_PAGE_SIZE); |
3904 |
} |
3905 |
|
3906 |
found = 1;
|
3907 |
break;
|
3908 |
} |
3909 |
addr += TARGET_PAGE_SIZE; |
3910 |
current_addr = (saved_addr + addr) % phys_ram_size; |
3911 |
} |
3912 |
|
3913 |
return found;
|
3914 |
} |
3915 |
|
3916 |
static ram_addr_t ram_save_threshold = 10; |
3917 |
|
3918 |
static ram_addr_t ram_save_remaining(void) |
3919 |
{ |
3920 |
ram_addr_t addr; |
3921 |
ram_addr_t count = 0;
|
3922 |
|
3923 |
for (addr = 0; addr < phys_ram_size; addr += TARGET_PAGE_SIZE) { |
3924 |
if (cpu_physical_memory_get_dirty(addr, MIGRATION_DIRTY_FLAG))
|
3925 |
count++; |
3926 |
} |
3927 |
|
3928 |
return count;
|
3929 |
} |
3930 |
|
3931 |
static int ram_save_live(QEMUFile *f, int stage, void *opaque) |
3932 |
{ |
3933 |
ram_addr_t addr; |
3934 |
|
3935 |
if (stage == 1) { |
3936 |
/* Make sure all dirty bits are set */
|
3937 |
for (addr = 0; addr < phys_ram_size; addr += TARGET_PAGE_SIZE) { |
3938 |
if (!cpu_physical_memory_get_dirty(addr, MIGRATION_DIRTY_FLAG))
|
3939 |
cpu_physical_memory_set_dirty(addr); |
3940 |
} |
3941 |
|
3942 |
/* Enable dirty memory tracking */
|
3943 |
cpu_physical_memory_set_dirty_tracking(1);
|
3944 |
|
3945 |
qemu_put_be64(f, phys_ram_size | RAM_SAVE_FLAG_MEM_SIZE); |
3946 |
} |
3947 |
|
3948 |
while (!qemu_file_rate_limit(f)) {
|
3949 |
int ret;
|
3950 |
|
3951 |
ret = ram_save_block(f); |
3952 |
if (ret == 0) /* no more blocks */ |
3953 |
break;
|
3954 |
} |
3955 |
|
3956 |
/* try transferring iterative blocks of memory */
|
3957 |
|
3958 |
if (stage == 3) { |
3959 |
cpu_physical_memory_set_dirty_tracking(0);
|
3960 |
|
3961 |
/* flush all remaining blocks regardless of rate limiting */
|
3962 |
while (ram_save_block(f) != 0); |
3963 |
} |
3964 |
|
3965 |
qemu_put_be64(f, RAM_SAVE_FLAG_EOS); |
3966 |
|
3967 |
return (stage == 2) && (ram_save_remaining() < ram_save_threshold); |
3968 |
} |
3969 |
|
3970 |
static int ram_load_dead(QEMUFile *f, void *opaque) |
3971 |
{ |
3972 |
RamDecompressState s1, *s = &s1; |
3973 |
uint8_t buf[10];
|
3974 |
ram_addr_t i; |
3975 |
|
3976 |
if (ram_decompress_open(s, f) < 0) |
3977 |
return -EINVAL;
|
3978 |
for(i = 0; i < phys_ram_size; i+= BDRV_HASH_BLOCK_SIZE) { |
3979 |
if (ram_decompress_buf(s, buf, 1) < 0) { |
3980 |
fprintf(stderr, "Error while reading ram block header\n");
|
3981 |
goto error;
|
3982 |
} |
3983 |
if (buf[0] == 0) { |
3984 |
if (ram_decompress_buf(s, phys_ram_base + i, BDRV_HASH_BLOCK_SIZE) < 0) { |
3985 |
fprintf(stderr, "Error while reading ram block address=0x%08" PRIx64, (uint64_t)i);
|
3986 |
goto error;
|
3987 |
} |
3988 |
} else {
|
3989 |
error:
|
3990 |
printf("Error block header\n");
|
3991 |
return -EINVAL;
|
3992 |
} |
3993 |
} |
3994 |
ram_decompress_close(s); |
3995 |
|
3996 |
return 0; |
3997 |
} |
3998 |
|
3999 |
static int ram_load(QEMUFile *f, void *opaque, int version_id) |
4000 |
{ |
4001 |
ram_addr_t addr; |
4002 |
int flags;
|
4003 |
|
4004 |
if (version_id == 1) |
4005 |
return ram_load_v1(f, opaque);
|
4006 |
|
4007 |
if (version_id == 2) { |
4008 |
if (qemu_get_be32(f) != phys_ram_size)
|
4009 |
return -EINVAL;
|
4010 |
return ram_load_dead(f, opaque);
|
4011 |
} |
4012 |
|
4013 |
if (version_id != 3) |
4014 |
return -EINVAL;
|
4015 |
|
4016 |
do {
|
4017 |
addr = qemu_get_be64(f); |
4018 |
|
4019 |
flags = addr & ~TARGET_PAGE_MASK; |
4020 |
addr &= TARGET_PAGE_MASK; |
4021 |
|
4022 |
if (flags & RAM_SAVE_FLAG_MEM_SIZE) {
|
4023 |
if (addr != phys_ram_size)
|
4024 |
return -EINVAL;
|
4025 |
} |
4026 |
|
4027 |
if (flags & RAM_SAVE_FLAG_FULL) {
|
4028 |
if (ram_load_dead(f, opaque) < 0) |
4029 |
return -EINVAL;
|
4030 |
} |
4031 |
|
4032 |
if (flags & RAM_SAVE_FLAG_COMPRESS) {
|
4033 |
uint8_t ch = qemu_get_byte(f); |
4034 |
memset(phys_ram_base + addr, ch, TARGET_PAGE_SIZE); |
4035 |
} else if (flags & RAM_SAVE_FLAG_PAGE) |
4036 |
qemu_get_buffer(f, phys_ram_base + addr, TARGET_PAGE_SIZE); |
4037 |
} while (!(flags & RAM_SAVE_FLAG_EOS));
|
4038 |
|
4039 |
return 0; |
4040 |
} |
4041 |
|
4042 |
void qemu_service_io(void) |
4043 |
{ |
4044 |
CPUState *env = cpu_single_env; |
4045 |
if (env) {
|
4046 |
cpu_interrupt(env, CPU_INTERRUPT_EXIT); |
4047 |
#ifdef USE_KQEMU
|
4048 |
if (env->kqemu_enabled) {
|
4049 |
kqemu_cpu_interrupt(env); |
4050 |
} |
4051 |
#endif
|
4052 |
} |
4053 |
} |
4054 |
|
4055 |
/***********************************************************/
|
4056 |
/* bottom halves (can be seen as timers which expire ASAP) */
|
4057 |
|
4058 |
struct QEMUBH {
|
4059 |
QEMUBHFunc *cb; |
4060 |
void *opaque;
|
4061 |
int scheduled;
|
4062 |
int idle;
|
4063 |
int deleted;
|
4064 |
QEMUBH *next; |
4065 |
}; |
4066 |
|
4067 |
static QEMUBH *first_bh = NULL; |
4068 |
|
4069 |
QEMUBH *qemu_bh_new(QEMUBHFunc *cb, void *opaque)
|
4070 |
{ |
4071 |
QEMUBH *bh; |
4072 |
bh = qemu_mallocz(sizeof(QEMUBH));
|
4073 |
if (!bh)
|
4074 |
return NULL; |
4075 |
bh->cb = cb; |
4076 |
bh->opaque = opaque; |
4077 |
bh->next = first_bh; |
4078 |
first_bh = bh; |
4079 |
return bh;
|
4080 |
} |
4081 |
|
4082 |
int qemu_bh_poll(void) |
4083 |
{ |
4084 |
QEMUBH *bh, **bhp; |
4085 |
int ret;
|
4086 |
|
4087 |
ret = 0;
|
4088 |
for (bh = first_bh; bh; bh = bh->next) {
|
4089 |
if (!bh->deleted && bh->scheduled) {
|
4090 |
bh->scheduled = 0;
|
4091 |
if (!bh->idle)
|
4092 |
ret = 1;
|
4093 |
bh->idle = 0;
|
4094 |
bh->cb(bh->opaque); |
4095 |
} |
4096 |
} |
4097 |
|
4098 |
/* remove deleted bhs */
|
4099 |
bhp = &first_bh; |
4100 |
while (*bhp) {
|
4101 |
bh = *bhp; |
4102 |
if (bh->deleted) {
|
4103 |
*bhp = bh->next; |
4104 |
qemu_free(bh); |
4105 |
} else
|
4106 |
bhp = &bh->next; |
4107 |
} |
4108 |
|
4109 |
return ret;
|
4110 |
} |
4111 |
|
4112 |
void qemu_bh_schedule_idle(QEMUBH *bh)
|
4113 |
{ |
4114 |
if (bh->scheduled)
|
4115 |
return;
|
4116 |
bh->scheduled = 1;
|
4117 |
bh->idle = 1;
|
4118 |
} |
4119 |
|
4120 |
void qemu_bh_schedule(QEMUBH *bh)
|
4121 |
{ |
4122 |
CPUState *env = cpu_single_env; |
4123 |
if (bh->scheduled)
|
4124 |
return;
|
4125 |
bh->scheduled = 1;
|
4126 |
bh->idle = 0;
|
4127 |
/* stop the currently executing CPU to execute the BH ASAP */
|
4128 |
if (env) {
|
4129 |
cpu_interrupt(env, CPU_INTERRUPT_EXIT); |
4130 |
} |
4131 |
} |
4132 |
|
4133 |
void qemu_bh_cancel(QEMUBH *bh)
|
4134 |
{ |
4135 |
bh->scheduled = 0;
|
4136 |
} |
4137 |
|
4138 |
void qemu_bh_delete(QEMUBH *bh)
|
4139 |
{ |
4140 |
bh->scheduled = 0;
|
4141 |
bh->deleted = 1;
|
4142 |
} |
4143 |
|
4144 |
static void qemu_bh_update_timeout(int *timeout) |
4145 |
{ |
4146 |
QEMUBH *bh; |
4147 |
|
4148 |
for (bh = first_bh; bh; bh = bh->next) {
|
4149 |
if (!bh->deleted && bh->scheduled) {
|
4150 |
if (bh->idle) {
|
4151 |
/* idle bottom halves will be polled at least
|
4152 |
* every 10ms */
|
4153 |
*timeout = MIN(10, *timeout);
|
4154 |
} else {
|
4155 |
/* non-idle bottom halves will be executed
|
4156 |
* immediately */
|
4157 |
*timeout = 0;
|
4158 |
break;
|
4159 |
} |
4160 |
} |
4161 |
} |
4162 |
} |
4163 |
|
4164 |
/***********************************************************/
|
4165 |
/* machine registration */
|
4166 |
|
4167 |
static QEMUMachine *first_machine = NULL; |
4168 |
|
4169 |
int qemu_register_machine(QEMUMachine *m)
|
4170 |
{ |
4171 |
QEMUMachine **pm; |
4172 |
pm = &first_machine; |
4173 |
while (*pm != NULL) |
4174 |
pm = &(*pm)->next; |
4175 |
m->next = NULL;
|
4176 |
*pm = m; |
4177 |
return 0; |
4178 |
} |
4179 |
|
4180 |
static QEMUMachine *find_machine(const char *name) |
4181 |
{ |
4182 |
QEMUMachine *m; |
4183 |
|
4184 |
for(m = first_machine; m != NULL; m = m->next) { |
4185 |
if (!strcmp(m->name, name))
|
4186 |
return m;
|
4187 |
} |
4188 |
return NULL; |
4189 |
} |
4190 |
|
4191 |
/***********************************************************/
|
4192 |
/* main execution loop */
|
4193 |
|
4194 |
static void gui_update(void *opaque) |
4195 |
{ |
4196 |
DisplayState *ds = opaque; |
4197 |
ds->dpy_refresh(ds); |
4198 |
qemu_mod_timer(ds->gui_timer, |
4199 |
(ds->gui_timer_interval ? |
4200 |
ds->gui_timer_interval : |
4201 |
GUI_REFRESH_INTERVAL) |
4202 |
+ qemu_get_clock(rt_clock)); |
4203 |
} |
4204 |
|
4205 |
struct vm_change_state_entry {
|
4206 |
VMChangeStateHandler *cb; |
4207 |
void *opaque;
|
4208 |
LIST_ENTRY (vm_change_state_entry) entries; |
4209 |
}; |
4210 |
|
4211 |
static LIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
|
4212 |
|
4213 |
VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb, |
4214 |
void *opaque)
|
4215 |
{ |
4216 |
VMChangeStateEntry *e; |
4217 |
|
4218 |
e = qemu_mallocz(sizeof (*e));
|
4219 |
if (!e)
|
4220 |
return NULL; |
4221 |
|
4222 |
e->cb = cb; |
4223 |
e->opaque = opaque; |
4224 |
LIST_INSERT_HEAD(&vm_change_state_head, e, entries); |
4225 |
return e;
|
4226 |
} |
4227 |
|
4228 |
void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
|
4229 |
{ |
4230 |
LIST_REMOVE (e, entries); |
4231 |
qemu_free (e); |
4232 |
} |
4233 |
|
4234 |
static void vm_state_notify(int running) |
4235 |
{ |
4236 |
VMChangeStateEntry *e; |
4237 |
|
4238 |
for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
|
4239 |
e->cb(e->opaque, running); |
4240 |
} |
4241 |
} |
4242 |
|
4243 |
/* XXX: support several handlers */
|
4244 |
static VMStopHandler *vm_stop_cb;
|
4245 |
static void *vm_stop_opaque; |
4246 |
|
4247 |
int qemu_add_vm_stop_handler(VMStopHandler *cb, void *opaque) |
4248 |
{ |
4249 |
vm_stop_cb = cb; |
4250 |
vm_stop_opaque = opaque; |
4251 |
return 0; |
4252 |
} |
4253 |
|
4254 |
void qemu_del_vm_stop_handler(VMStopHandler *cb, void *opaque) |
4255 |
{ |
4256 |
vm_stop_cb = NULL;
|
4257 |
} |
4258 |
|
4259 |
void vm_start(void) |
4260 |
{ |
4261 |
if (!vm_running) {
|
4262 |
cpu_enable_ticks(); |
4263 |
vm_running = 1;
|
4264 |
vm_state_notify(1);
|
4265 |
qemu_rearm_alarm_timer(alarm_timer); |
4266 |
} |
4267 |
} |
4268 |
|
4269 |
void vm_stop(int reason) |
4270 |
{ |
4271 |
if (vm_running) {
|
4272 |
cpu_disable_ticks(); |
4273 |
vm_running = 0;
|
4274 |
if (reason != 0) { |
4275 |
if (vm_stop_cb) {
|
4276 |
vm_stop_cb(vm_stop_opaque, reason); |
4277 |
} |
4278 |
} |
4279 |
vm_state_notify(0);
|
4280 |
} |
4281 |
} |
4282 |
|
4283 |
/* reset/shutdown handler */
|
4284 |
|
4285 |
typedef struct QEMUResetEntry { |
4286 |
QEMUResetHandler *func; |
4287 |
void *opaque;
|
4288 |
struct QEMUResetEntry *next;
|
4289 |
} QEMUResetEntry; |
4290 |
|
4291 |
static QEMUResetEntry *first_reset_entry;
|
4292 |
static int reset_requested; |
4293 |
static int shutdown_requested; |
4294 |
static int powerdown_requested; |
4295 |
|
4296 |
int qemu_shutdown_requested(void) |
4297 |
{ |
4298 |
int r = shutdown_requested;
|
4299 |
shutdown_requested = 0;
|
4300 |
return r;
|
4301 |
} |
4302 |
|
4303 |
int qemu_reset_requested(void) |
4304 |
{ |
4305 |
int r = reset_requested;
|
4306 |
reset_requested = 0;
|
4307 |
return r;
|
4308 |
} |
4309 |
|
4310 |
int qemu_powerdown_requested(void) |
4311 |
{ |
4312 |
int r = powerdown_requested;
|
4313 |
powerdown_requested = 0;
|
4314 |
return r;
|
4315 |
} |
4316 |
|
4317 |
void qemu_register_reset(QEMUResetHandler *func, void *opaque) |
4318 |
{ |
4319 |
QEMUResetEntry **pre, *re; |
4320 |
|
4321 |
pre = &first_reset_entry; |
4322 |
while (*pre != NULL) |
4323 |
pre = &(*pre)->next; |
4324 |
re = qemu_mallocz(sizeof(QEMUResetEntry));
|
4325 |
re->func = func; |
4326 |
re->opaque = opaque; |
4327 |
re->next = NULL;
|
4328 |
*pre = re; |
4329 |
} |
4330 |
|
4331 |
void qemu_system_reset(void) |
4332 |
{ |
4333 |
QEMUResetEntry *re; |
4334 |
|
4335 |
/* reset all devices */
|
4336 |
for(re = first_reset_entry; re != NULL; re = re->next) { |
4337 |
re->func(re->opaque); |
4338 |
} |
4339 |
} |
4340 |
|
4341 |
void qemu_system_reset_request(void) |
4342 |
{ |
4343 |
if (no_reboot) {
|
4344 |
shutdown_requested = 1;
|
4345 |
} else {
|
4346 |
reset_requested = 1;
|
4347 |
} |
4348 |
if (cpu_single_env)
|
4349 |
cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT); |
4350 |
} |
4351 |
|
4352 |
void qemu_system_shutdown_request(void) |
4353 |
{ |
4354 |
shutdown_requested = 1;
|
4355 |
if (cpu_single_env)
|
4356 |
cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT); |
4357 |
} |
4358 |
|
4359 |
void qemu_system_powerdown_request(void) |
4360 |
{ |
4361 |
powerdown_requested = 1;
|
4362 |
if (cpu_single_env)
|
4363 |
cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT); |
4364 |
} |
4365 |
|
4366 |
#ifdef _WIN32
|
4367 |
void host_main_loop_wait(int *timeout) |
4368 |
{ |
4369 |
int ret, ret2, i;
|
4370 |
PollingEntry *pe; |
4371 |
|
4372 |
|
4373 |
/* XXX: need to suppress polling by better using win32 events */
|
4374 |
ret = 0;
|
4375 |
for(pe = first_polling_entry; pe != NULL; pe = pe->next) { |
4376 |
ret |= pe->func(pe->opaque); |
4377 |
} |
4378 |
if (ret == 0) { |
4379 |
int err;
|
4380 |
WaitObjects *w = &wait_objects; |
4381 |
|
4382 |
ret = WaitForMultipleObjects(w->num, w->events, FALSE, *timeout); |
4383 |
if (WAIT_OBJECT_0 + 0 <= ret && ret <= WAIT_OBJECT_0 + w->num - 1) { |
4384 |
if (w->func[ret - WAIT_OBJECT_0])
|
4385 |
w->func[ret - WAIT_OBJECT_0](w->opaque[ret - WAIT_OBJECT_0]); |
4386 |
|
4387 |
/* Check for additional signaled events */
|
4388 |
for(i = (ret - WAIT_OBJECT_0 + 1); i < w->num; i++) { |
4389 |
|
4390 |
/* Check if event is signaled */
|
4391 |
ret2 = WaitForSingleObject(w->events[i], 0);
|
4392 |
if(ret2 == WAIT_OBJECT_0) {
|
4393 |
if (w->func[i])
|
4394 |
w->func[i](w->opaque[i]); |
4395 |
} else if (ret2 == WAIT_TIMEOUT) { |
4396 |
} else {
|
4397 |
err = GetLastError(); |
4398 |
fprintf(stderr, "WaitForSingleObject error %d %d\n", i, err);
|
4399 |
} |
4400 |
} |
4401 |
} else if (ret == WAIT_TIMEOUT) { |
4402 |
} else {
|
4403 |
err = GetLastError(); |
4404 |
fprintf(stderr, "WaitForMultipleObjects error %d %d\n", ret, err);
|
4405 |
} |
4406 |
} |
4407 |
|
4408 |
*timeout = 0;
|
4409 |
} |
4410 |
#else
|
4411 |
void host_main_loop_wait(int *timeout) |
4412 |
{ |
4413 |
} |
4414 |
#endif
|
4415 |
|
4416 |
void main_loop_wait(int timeout) |
4417 |
{ |
4418 |
IOHandlerRecord *ioh; |
4419 |
fd_set rfds, wfds, xfds; |
4420 |
int ret, nfds;
|
4421 |
struct timeval tv;
|
4422 |
|
4423 |
qemu_bh_update_timeout(&timeout); |
4424 |
|
4425 |
host_main_loop_wait(&timeout); |
4426 |
|
4427 |
/* poll any events */
|
4428 |
/* XXX: separate device handlers from system ones */
|
4429 |
nfds = -1;
|
4430 |
FD_ZERO(&rfds); |
4431 |
FD_ZERO(&wfds); |
4432 |
FD_ZERO(&xfds); |
4433 |
for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) { |
4434 |
if (ioh->deleted)
|
4435 |
continue;
|
4436 |
if (ioh->fd_read &&
|
4437 |
(!ioh->fd_read_poll || |
4438 |
ioh->fd_read_poll(ioh->opaque) != 0)) {
|
4439 |
FD_SET(ioh->fd, &rfds); |
4440 |
if (ioh->fd > nfds)
|
4441 |
nfds = ioh->fd; |
4442 |
} |
4443 |
if (ioh->fd_write) {
|
4444 |
FD_SET(ioh->fd, &wfds); |
4445 |
if (ioh->fd > nfds)
|
4446 |
nfds = ioh->fd; |
4447 |
} |
4448 |
} |
4449 |
|
4450 |
tv.tv_sec = timeout / 1000;
|
4451 |
tv.tv_usec = (timeout % 1000) * 1000; |
4452 |
|
4453 |
#if defined(CONFIG_SLIRP)
|
4454 |
if (slirp_is_inited()) {
|
4455 |
slirp_select_fill(&nfds, &rfds, &wfds, &xfds); |
4456 |
} |
4457 |
#endif
|
4458 |
ret = select(nfds + 1, &rfds, &wfds, &xfds, &tv);
|
4459 |
if (ret > 0) { |
4460 |
IOHandlerRecord **pioh; |
4461 |
|
4462 |
for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) { |
4463 |
if (!ioh->deleted && ioh->fd_read && FD_ISSET(ioh->fd, &rfds)) {
|
4464 |
ioh->fd_read(ioh->opaque); |
4465 |
} |
4466 |
if (!ioh->deleted && ioh->fd_write && FD_ISSET(ioh->fd, &wfds)) {
|
4467 |
ioh->fd_write(ioh->opaque); |
4468 |
} |
4469 |
} |
4470 |
|
4471 |
/* remove deleted IO handlers */
|
4472 |
pioh = &first_io_handler; |
4473 |
while (*pioh) {
|
4474 |
ioh = *pioh; |
4475 |
if (ioh->deleted) {
|
4476 |
*pioh = ioh->next; |
4477 |
qemu_free(ioh); |
4478 |
} else
|
4479 |
pioh = &ioh->next; |
4480 |
} |
4481 |
} |
4482 |
#if defined(CONFIG_SLIRP)
|
4483 |
if (slirp_is_inited()) {
|
4484 |
if (ret < 0) { |
4485 |
FD_ZERO(&rfds); |
4486 |
FD_ZERO(&wfds); |
4487 |
FD_ZERO(&xfds); |
4488 |
} |
4489 |
slirp_select_poll(&rfds, &wfds, &xfds); |
4490 |
} |
4491 |
#endif
|
4492 |
|
4493 |
if (vm_running) {
|
4494 |
if (likely(!(cur_cpu->singlestep_enabled & SSTEP_NOTIMER)))
|
4495 |
qemu_run_timers(&active_timers[QEMU_TIMER_VIRTUAL], |
4496 |
qemu_get_clock(vm_clock)); |
4497 |
} |
4498 |
|
4499 |
/* real time timers */
|
4500 |
qemu_run_timers(&active_timers[QEMU_TIMER_REALTIME], |
4501 |
qemu_get_clock(rt_clock)); |
4502 |
|
4503 |
if (alarm_timer->flags & ALARM_FLAG_EXPIRED) {
|
4504 |
alarm_timer->flags &= ~(ALARM_FLAG_EXPIRED); |
4505 |
qemu_rearm_alarm_timer(alarm_timer); |
4506 |
} |
4507 |
|
4508 |
/* Check bottom-halves last in case any of the earlier events triggered
|
4509 |
them. */
|
4510 |
qemu_bh_poll(); |
4511 |
|
4512 |
} |
4513 |
|
4514 |
static int main_loop(void) |
4515 |
{ |
4516 |
int ret, timeout;
|
4517 |
#ifdef CONFIG_PROFILER
|
4518 |
int64_t ti; |
4519 |
#endif
|
4520 |
CPUState *env; |
4521 |
|
4522 |
cur_cpu = first_cpu; |
4523 |
next_cpu = cur_cpu->next_cpu ?: first_cpu; |
4524 |
for(;;) {
|
4525 |
if (vm_running) {
|
4526 |
|
4527 |
for(;;) {
|
4528 |
/* get next cpu */
|
4529 |
env = next_cpu; |
4530 |
#ifdef CONFIG_PROFILER
|
4531 |
ti = profile_getclock(); |
4532 |
#endif
|
4533 |
if (use_icount) {
|
4534 |
int64_t count; |
4535 |
int decr;
|
4536 |
qemu_icount -= (env->icount_decr.u16.low + env->icount_extra); |
4537 |
env->icount_decr.u16.low = 0;
|
4538 |
env->icount_extra = 0;
|
4539 |
count = qemu_next_deadline(); |
4540 |
count = (count + (1 << icount_time_shift) - 1) |
4541 |
>> icount_time_shift; |
4542 |
qemu_icount += count; |
4543 |
decr = (count > 0xffff) ? 0xffff : count; |
4544 |
count -= decr; |
4545 |
env->icount_decr.u16.low = decr; |
4546 |
env->icount_extra = count; |
4547 |
} |
4548 |
ret = cpu_exec(env); |
4549 |
#ifdef CONFIG_PROFILER
|
4550 |
qemu_time += profile_getclock() - ti; |
4551 |
#endif
|
4552 |
if (use_icount) {
|
4553 |
/* Fold pending instructions back into the
|
4554 |
instruction counter, and clear the interrupt flag. */
|
4555 |
qemu_icount -= (env->icount_decr.u16.low |
4556 |
+ env->icount_extra); |
4557 |
env->icount_decr.u32 = 0;
|
4558 |
env->icount_extra = 0;
|
4559 |
} |
4560 |
next_cpu = env->next_cpu ?: first_cpu; |
4561 |
if (event_pending && likely(ret != EXCP_DEBUG)) {
|
4562 |
ret = EXCP_INTERRUPT; |
4563 |
event_pending = 0;
|
4564 |
break;
|
4565 |
} |
4566 |
if (ret == EXCP_HLT) {
|
4567 |
/* Give the next CPU a chance to run. */
|
4568 |
cur_cpu = env; |
4569 |
continue;
|
4570 |
} |
4571 |
if (ret != EXCP_HALTED)
|
4572 |
break;
|
4573 |
/* all CPUs are halted ? */
|
4574 |
if (env == cur_cpu)
|
4575 |
break;
|
4576 |
} |
4577 |
cur_cpu = env; |
4578 |
|
4579 |
if (shutdown_requested) {
|
4580 |
ret = EXCP_INTERRUPT; |
4581 |
if (no_shutdown) {
|
4582 |
vm_stop(0);
|
4583 |
no_shutdown = 0;
|
4584 |
} |
4585 |
else
|
4586 |
break;
|
4587 |
} |
4588 |
if (reset_requested) {
|
4589 |
reset_requested = 0;
|
4590 |
qemu_system_reset(); |
4591 |
ret = EXCP_INTERRUPT; |
4592 |
} |
4593 |
if (powerdown_requested) {
|
4594 |
powerdown_requested = 0;
|
4595 |
qemu_system_powerdown(); |
4596 |
ret = EXCP_INTERRUPT; |
4597 |
} |
4598 |
if (unlikely(ret == EXCP_DEBUG)) {
|
4599 |
vm_stop(EXCP_DEBUG); |
4600 |
} |
4601 |
/* If all cpus are halted then wait until the next IRQ */
|
4602 |
/* XXX: use timeout computed from timers */
|
4603 |
if (ret == EXCP_HALTED) {
|
4604 |
if (use_icount) {
|
4605 |
int64_t add; |
4606 |
int64_t delta; |
4607 |
/* Advance virtual time to the next event. */
|
4608 |
if (use_icount == 1) { |
4609 |
/* When not using an adaptive execution frequency
|
4610 |
we tend to get badly out of sync with real time,
|
4611 |
so just delay for a reasonable amount of time. */
|
4612 |
delta = 0;
|
4613 |
} else {
|
4614 |
delta = cpu_get_icount() - cpu_get_clock(); |
4615 |
} |
4616 |
if (delta > 0) { |
4617 |
/* If virtual time is ahead of real time then just
|
4618 |
wait for IO. */
|
4619 |
timeout = (delta / 1000000) + 1; |
4620 |
} else {
|
4621 |
/* Wait for either IO to occur or the next
|
4622 |
timer event. */
|
4623 |
add = qemu_next_deadline(); |
4624 |
/* We advance the timer before checking for IO.
|
4625 |
Limit the amount we advance so that early IO
|
4626 |
activity won't get the guest too far ahead. */
|
4627 |
if (add > 10000000) |
4628 |
add = 10000000;
|
4629 |
delta += add; |
4630 |
add = (add + (1 << icount_time_shift) - 1) |
4631 |
>> icount_time_shift; |
4632 |
qemu_icount += add; |
4633 |
timeout = delta / 1000000;
|
4634 |
if (timeout < 0) |
4635 |
timeout = 0;
|
4636 |
} |
4637 |
} else {
|
4638 |
timeout = 5000;
|
4639 |
} |
4640 |
} else {
|
4641 |
timeout = 0;
|
4642 |
} |
4643 |
} else {
|
4644 |
if (shutdown_requested) {
|
4645 |
ret = EXCP_INTERRUPT; |
4646 |
break;
|
4647 |
} |
4648 |
timeout = 5000;
|
4649 |
} |
4650 |
#ifdef CONFIG_PROFILER
|
4651 |
ti = profile_getclock(); |
4652 |
#endif
|
4653 |
main_loop_wait(timeout); |
4654 |
#ifdef CONFIG_PROFILER
|
4655 |
dev_time += profile_getclock() - ti; |
4656 |
#endif
|
4657 |
} |
4658 |
cpu_disable_ticks(); |
4659 |
return ret;
|
4660 |
} |
4661 |
|
4662 |
static void help(int exitcode) |
4663 |
{ |
4664 |
printf("QEMU PC emulator version " QEMU_VERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n" |
4665 |
"usage: %s [options] [disk_image]\n"
|
4666 |
"\n"
|
4667 |
"'disk_image' is a raw hard image image for IDE hard disk 0\n"
|
4668 |
"\n"
|
4669 |
"Standard options:\n"
|
4670 |
"-M machine select emulated machine (-M ? for list)\n"
|
4671 |
"-cpu cpu select CPU (-cpu ? for list)\n"
|
4672 |
"-fda/-fdb file use 'file' as floppy disk 0/1 image\n"
|
4673 |
"-hda/-hdb file use 'file' as IDE hard disk 0/1 image\n"
|
4674 |
"-hdc/-hdd file use 'file' as IDE hard disk 2/3 image\n"
|
4675 |
"-cdrom file use 'file' as IDE cdrom image (cdrom is ide1 master)\n"
|
4676 |
"-drive [file=file][,if=type][,bus=n][,unit=m][,media=d][,index=i]\n"
|
4677 |
" [,cyls=c,heads=h,secs=s[,trans=t]][,snapshot=on|off]\n"
|
4678 |
" [,cache=writethrough|writeback|none][,format=f]\n"
|
4679 |
" use 'file' as a drive image\n"
|
4680 |
"-mtdblock file use 'file' as on-board Flash memory image\n"
|
4681 |
"-sd file use 'file' as SecureDigital card image\n"
|
4682 |
"-pflash file use 'file' as a parallel flash image\n"
|
4683 |
"-boot [a|c|d|n] boot on floppy (a), hard disk (c), CD-ROM (d), or network (n)\n"
|
4684 |
"-snapshot write to temporary files instead of disk image files\n"
|
4685 |
#ifdef CONFIG_SDL
|
4686 |
"-no-frame open SDL window without a frame and window decorations\n"
|
4687 |
"-alt-grab use Ctrl-Alt-Shift to grab mouse (instead of Ctrl-Alt)\n"
|
4688 |
"-no-quit disable SDL window close capability\n"
|
4689 |
#endif
|
4690 |
#ifdef TARGET_I386
|
4691 |
"-no-fd-bootchk disable boot signature checking for floppy disks\n"
|
4692 |
#endif
|
4693 |
"-m megs set virtual RAM size to megs MB [default=%d]\n"
|
4694 |
"-smp n set the number of CPUs to 'n' [default=1]\n"
|
4695 |
"-nographic disable graphical output and redirect serial I/Os to console\n"
|
4696 |
"-portrait rotate graphical output 90 deg left (only PXA LCD)\n"
|
4697 |
#ifndef _WIN32
|
4698 |
"-k language use keyboard layout (for example \"fr\" for French)\n"
|
4699 |
#endif
|
4700 |
#ifdef HAS_AUDIO
|
4701 |
"-audio-help print list of audio drivers and their options\n"
|
4702 |
"-soundhw c1,... enable audio support\n"
|
4703 |
" and only specified sound cards (comma separated list)\n"
|
4704 |
" use -soundhw ? to get the list of supported cards\n"
|
4705 |
" use -soundhw all to enable all of them\n"
|
4706 |
#endif
|
4707 |
"-vga [std|cirrus|vmware]\n"
|
4708 |
" select video card type\n"
|
4709 |
"-localtime set the real time clock to local time [default=utc]\n"
|
4710 |
"-full-screen start in full screen\n"
|
4711 |
#ifdef TARGET_I386
|
4712 |
"-win2k-hack use it when installing Windows 2000 to avoid a disk full bug\n"
|
4713 |
#endif
|
4714 |
"-usb enable the USB driver (will be the default soon)\n"
|
4715 |
"-usbdevice name add the host or guest USB device 'name'\n"
|
4716 |
#if defined(TARGET_PPC) || defined(TARGET_SPARC)
|
4717 |
"-g WxH[xDEPTH] Set the initial graphical resolution and depth\n"
|
4718 |
#endif
|
4719 |
"-name string set the name of the guest\n"
|
4720 |
"-uuid %%08x-%%04x-%%04x-%%04x-%%012x specify machine UUID\n"
|
4721 |
"\n"
|
4722 |
"Network options:\n"
|
4723 |
"-net nic[,vlan=n][,macaddr=addr][,model=type]\n"
|
4724 |
" create a new Network Interface Card and connect it to VLAN 'n'\n"
|
4725 |
#ifdef CONFIG_SLIRP
|
4726 |
"-net user[,vlan=n][,hostname=host]\n"
|
4727 |
" connect the user mode network stack to VLAN 'n' and send\n"
|
4728 |
" hostname 'host' to DHCP clients\n"
|
4729 |
#endif
|
4730 |
#ifdef _WIN32
|
4731 |
"-net tap[,vlan=n],ifname=name\n"
|
4732 |
" connect the host TAP network interface to VLAN 'n'\n"
|
4733 |
#else
|
4734 |
"-net tap[,vlan=n][,fd=h][,ifname=name][,script=file][,downscript=dfile]\n"
|
4735 |
" connect the host TAP network interface to VLAN 'n' and use the\n"
|
4736 |
" network scripts 'file' (default=%s)\n"
|
4737 |
" and 'dfile' (default=%s);\n"
|
4738 |
" use '[down]script=no' to disable script execution;\n"
|
4739 |
" use 'fd=h' to connect to an already opened TAP interface\n"
|
4740 |
#endif
|
4741 |
"-net socket[,vlan=n][,fd=h][,listen=[host]:port][,connect=host:port]\n"
|
4742 |
" connect the vlan 'n' to another VLAN using a socket connection\n"
|
4743 |
"-net socket[,vlan=n][,fd=h][,mcast=maddr:port]\n"
|
4744 |
" connect the vlan 'n' to multicast maddr and port\n"
|
4745 |
#ifdef CONFIG_VDE
|
4746 |
"-net vde[,vlan=n][,sock=socketpath][,port=n][,group=groupname][,mode=octalmode]\n"
|
4747 |
" connect the vlan 'n' to port 'n' of a vde switch running\n"
|
4748 |
" on host and listening for incoming connections on 'socketpath'.\n"
|
4749 |
" Use group 'groupname' and mode 'octalmode' to change default\n"
|
4750 |
" ownership and permissions for communication port.\n"
|
4751 |
#endif
|
4752 |
"-net none use it alone to have zero network devices; if no -net option\n"
|
4753 |
" is provided, the default is '-net nic -net user'\n"
|
4754 |
"\n"
|
4755 |
#ifdef CONFIG_SLIRP
|
4756 |
"-tftp dir allow tftp access to files in dir [-net user]\n"
|
4757 |
"-bootp file advertise file in BOOTP replies\n"
|
4758 |
#ifndef _WIN32
|
4759 |
"-smb dir allow SMB access to files in 'dir' [-net user]\n"
|
4760 |
#endif
|
4761 |
"-redir [tcp|udp]:host-port:[guest-host]:guest-port\n"
|
4762 |
" redirect TCP or UDP connections from host to guest [-net user]\n"
|
4763 |
#endif
|
4764 |
"\n"
|
4765 |
"Linux boot specific:\n"
|
4766 |
"-kernel bzImage use 'bzImage' as kernel image\n"
|
4767 |
"-append cmdline use 'cmdline' as kernel command line\n"
|
4768 |
"-initrd file use 'file' as initial ram disk\n"
|
4769 |
"\n"
|
4770 |
"Debug/Expert options:\n"
|
4771 |
"-monitor dev redirect the monitor to char device 'dev'\n"
|
4772 |
"-serial dev redirect the serial port to char device 'dev'\n"
|
4773 |
"-parallel dev redirect the parallel port to char device 'dev'\n"
|
4774 |
"-pidfile file Write PID to 'file'\n"
|
4775 |
"-S freeze CPU at startup (use 'c' to start execution)\n"
|
4776 |
"-s wait gdb connection to port\n"
|
4777 |
"-p port set gdb connection port [default=%s]\n"
|
4778 |
"-d item1,... output log to %s (use -d ? for a list of log items)\n"
|
4779 |
"-hdachs c,h,s[,t] force hard disk 0 physical geometry and the optional BIOS\n"
|
4780 |
" translation (t=none or lba) (usually qemu can guess them)\n"
|
4781 |
"-L path set the directory for the BIOS, VGA BIOS and keymaps\n"
|
4782 |
#ifdef USE_KQEMU
|
4783 |
"-kernel-kqemu enable KQEMU full virtualization (default is user mode only)\n"
|
4784 |
"-no-kqemu disable KQEMU kernel module usage\n"
|
4785 |
#endif
|
4786 |
#ifdef CONFIG_KVM
|
4787 |
"-enable-kvm enable KVM full virtualization support\n"
|
4788 |
#endif
|
4789 |
#ifdef TARGET_I386
|
4790 |
"-no-acpi disable ACPI\n"
|
4791 |
#endif
|
4792 |
#ifdef CONFIG_CURSES
|
4793 |
"-curses use a curses/ncurses interface instead of SDL\n"
|
4794 |
#endif
|
4795 |
"-no-reboot exit instead of rebooting\n"
|
4796 |
"-no-shutdown stop before shutdown\n"
|
4797 |
"-loadvm [tag|id] start right away with a saved state (loadvm in monitor)\n"
|
4798 |
"-vnc display start a VNC server on display\n"
|
4799 |
#ifndef _WIN32
|
4800 |
"-daemonize daemonize QEMU after initializing\n"
|
4801 |
#endif
|
4802 |
"-option-rom rom load a file, rom, into the option ROM space\n"
|
4803 |
#ifdef TARGET_SPARC
|
4804 |
"-prom-env variable=value set OpenBIOS nvram variables\n"
|
4805 |
#endif
|
4806 |
"-clock force the use of the given methods for timer alarm.\n"
|
4807 |
" To see what timers are available use -clock ?\n"
|
4808 |
"-startdate select initial date of the clock\n"
|
4809 |
"-icount [N|auto]\n"
|
4810 |
" Enable virtual instruction counter with 2^N clock ticks per instruction\n"
|
4811 |
"\n"
|
4812 |
"During emulation, the following keys are useful:\n"
|
4813 |
"ctrl-alt-f toggle full screen\n"
|
4814 |
"ctrl-alt-n switch to virtual console 'n'\n"
|
4815 |
"ctrl-alt toggle mouse and keyboard grab\n"
|
4816 |
"\n"
|
4817 |
"When using -nographic, press 'ctrl-a h' to get some help.\n"
|
4818 |
, |
4819 |
"qemu",
|
4820 |
DEFAULT_RAM_SIZE, |
4821 |
#ifndef _WIN32
|
4822 |
DEFAULT_NETWORK_SCRIPT, |
4823 |
DEFAULT_NETWORK_DOWN_SCRIPT, |
4824 |
#endif
|
4825 |
DEFAULT_GDBSTUB_PORT, |
4826 |
"/tmp/qemu.log");
|
4827 |
exit(exitcode); |
4828 |
} |
4829 |
|
4830 |
#define HAS_ARG 0x0001 |
4831 |
|
4832 |
enum {
|
4833 |
QEMU_OPTION_h, |
4834 |
|
4835 |
QEMU_OPTION_M, |
4836 |
QEMU_OPTION_cpu, |
4837 |
QEMU_OPTION_fda, |
4838 |
QEMU_OPTION_fdb, |
4839 |
QEMU_OPTION_hda, |
4840 |
QEMU_OPTION_hdb, |
4841 |
QEMU_OPTION_hdc, |
4842 |
QEMU_OPTION_hdd, |
4843 |
QEMU_OPTION_drive, |
4844 |
QEMU_OPTION_cdrom, |
4845 |
QEMU_OPTION_mtdblock, |
4846 |
QEMU_OPTION_sd, |
4847 |
QEMU_OPTION_pflash, |
4848 |
QEMU_OPTION_boot, |
4849 |
QEMU_OPTION_snapshot, |
4850 |
#ifdef TARGET_I386
|
4851 |
QEMU_OPTION_no_fd_bootchk, |
4852 |
#endif
|
4853 |
QEMU_OPTION_m, |
4854 |
QEMU_OPTION_nographic, |
4855 |
QEMU_OPTION_portrait, |
4856 |
#ifdef HAS_AUDIO
|
4857 |
QEMU_OPTION_audio_help, |
4858 |
QEMU_OPTION_soundhw, |
4859 |
#endif
|
4860 |
|
4861 |
QEMU_OPTION_net, |
4862 |
QEMU_OPTION_tftp, |
4863 |
QEMU_OPTION_bootp, |
4864 |
QEMU_OPTION_smb, |
4865 |
QEMU_OPTION_redir, |
4866 |
|
4867 |
QEMU_OPTION_kernel, |
4868 |
QEMU_OPTION_append, |
4869 |
QEMU_OPTION_initrd, |
4870 |
|
4871 |
QEMU_OPTION_S, |
4872 |
QEMU_OPTION_s, |
4873 |
QEMU_OPTION_p, |
4874 |
QEMU_OPTION_d, |
4875 |
QEMU_OPTION_hdachs, |
4876 |
QEMU_OPTION_L, |
4877 |
QEMU_OPTION_bios, |
4878 |
QEMU_OPTION_k, |
4879 |
QEMU_OPTION_localtime, |
4880 |
QEMU_OPTION_g, |
4881 |
QEMU_OPTION_vga, |
4882 |
QEMU_OPTION_echr, |
4883 |
QEMU_OPTION_monitor, |
4884 |
QEMU_OPTION_serial, |
4885 |
QEMU_OPTION_parallel, |
4886 |
QEMU_OPTION_loadvm, |
4887 |
QEMU_OPTION_full_screen, |
4888 |
QEMU_OPTION_no_frame, |
4889 |
QEMU_OPTION_alt_grab, |
4890 |
QEMU_OPTION_no_quit, |
4891 |
QEMU_OPTION_pidfile, |
4892 |
QEMU_OPTION_no_kqemu, |
4893 |
QEMU_OPTION_kernel_kqemu, |
4894 |
QEMU_OPTION_enable_kvm, |
4895 |
QEMU_OPTION_win2k_hack, |
4896 |
QEMU_OPTION_usb, |
4897 |
QEMU_OPTION_usbdevice, |
4898 |
QEMU_OPTION_smp, |
4899 |
QEMU_OPTION_vnc, |
4900 |
QEMU_OPTION_no_acpi, |
4901 |
QEMU_OPTION_curses, |
4902 |
QEMU_OPTION_no_reboot, |
4903 |
QEMU_OPTION_no_shutdown, |
4904 |
QEMU_OPTION_show_cursor, |
4905 |
QEMU_OPTION_daemonize, |
4906 |
QEMU_OPTION_option_rom, |
4907 |
QEMU_OPTION_semihosting, |
4908 |
QEMU_OPTION_name, |
4909 |
QEMU_OPTION_prom_env, |
4910 |
QEMU_OPTION_old_param, |
4911 |
QEMU_OPTION_clock, |
4912 |
QEMU_OPTION_startdate, |
4913 |
QEMU_OPTION_tb_size, |
4914 |
QEMU_OPTION_icount, |
4915 |
QEMU_OPTION_uuid, |
4916 |
QEMU_OPTION_incoming, |
4917 |
}; |
4918 |
|
4919 |
typedef struct QEMUOption { |
4920 |
const char *name; |
4921 |
int flags;
|
4922 |
int index;
|
4923 |
} QEMUOption; |
4924 |
|
4925 |
static const QEMUOption qemu_options[] = { |
4926 |
{ "h", 0, QEMU_OPTION_h }, |
4927 |
{ "help", 0, QEMU_OPTION_h }, |
4928 |
|
4929 |
{ "M", HAS_ARG, QEMU_OPTION_M },
|
4930 |
{ "cpu", HAS_ARG, QEMU_OPTION_cpu },
|
4931 |
{ "fda", HAS_ARG, QEMU_OPTION_fda },
|
4932 |
{ "fdb", HAS_ARG, QEMU_OPTION_fdb },
|
4933 |
{ "hda", HAS_ARG, QEMU_OPTION_hda },
|
4934 |
{ "hdb", HAS_ARG, QEMU_OPTION_hdb },
|
4935 |
{ "hdc", HAS_ARG, QEMU_OPTION_hdc },
|
4936 |
{ "hdd", HAS_ARG, QEMU_OPTION_hdd },
|
4937 |
{ "drive", HAS_ARG, QEMU_OPTION_drive },
|
4938 |
{ "cdrom", HAS_ARG, QEMU_OPTION_cdrom },
|
4939 |
{ "mtdblock", HAS_ARG, QEMU_OPTION_mtdblock },
|
4940 |
{ "sd", HAS_ARG, QEMU_OPTION_sd },
|
4941 |
{ "pflash", HAS_ARG, QEMU_OPTION_pflash },
|
4942 |
{ "boot", HAS_ARG, QEMU_OPTION_boot },
|
4943 |
{ "snapshot", 0, QEMU_OPTION_snapshot }, |
4944 |
#ifdef TARGET_I386
|
4945 |
{ "no-fd-bootchk", 0, QEMU_OPTION_no_fd_bootchk }, |
4946 |
#endif
|
4947 |
{ "m", HAS_ARG, QEMU_OPTION_m },
|
4948 |
{ "nographic", 0, QEMU_OPTION_nographic }, |
4949 |
{ "portrait", 0, QEMU_OPTION_portrait }, |
4950 |
{ "k", HAS_ARG, QEMU_OPTION_k },
|
4951 |
#ifdef HAS_AUDIO
|
4952 |
{ "audio-help", 0, QEMU_OPTION_audio_help }, |
4953 |
{ "soundhw", HAS_ARG, QEMU_OPTION_soundhw },
|
4954 |
#endif
|
4955 |
|
4956 |
{ "net", HAS_ARG, QEMU_OPTION_net},
|
4957 |
#ifdef CONFIG_SLIRP
|
4958 |
{ "tftp", HAS_ARG, QEMU_OPTION_tftp },
|
4959 |
{ "bootp", HAS_ARG, QEMU_OPTION_bootp },
|
4960 |
#ifndef _WIN32
|
4961 |
{ "smb", HAS_ARG, QEMU_OPTION_smb },
|
4962 |
#endif
|
4963 |
{ "redir", HAS_ARG, QEMU_OPTION_redir },
|
4964 |
#endif
|
4965 |
|
4966 |
{ "kernel", HAS_ARG, QEMU_OPTION_kernel },
|
4967 |
{ "append", HAS_ARG, QEMU_OPTION_append },
|
4968 |
{ "initrd", HAS_ARG, QEMU_OPTION_initrd },
|
4969 |
|
4970 |
{ "S", 0, QEMU_OPTION_S }, |
4971 |
{ "s", 0, QEMU_OPTION_s }, |
4972 |
{ "p", HAS_ARG, QEMU_OPTION_p },
|
4973 |
{ "d", HAS_ARG, QEMU_OPTION_d },
|
4974 |
{ "hdachs", HAS_ARG, QEMU_OPTION_hdachs },
|
4975 |
{ "L", HAS_ARG, QEMU_OPTION_L },
|
4976 |
{ "bios", HAS_ARG, QEMU_OPTION_bios },
|
4977 |
#ifdef USE_KQEMU
|
4978 |
{ "no-kqemu", 0, QEMU_OPTION_no_kqemu }, |
4979 |
{ "kernel-kqemu", 0, QEMU_OPTION_kernel_kqemu }, |
4980 |
#endif
|
4981 |
#ifdef CONFIG_KVM
|
4982 |
{ "enable-kvm", 0, QEMU_OPTION_enable_kvm }, |
4983 |
#endif
|
4984 |
#if defined(TARGET_PPC) || defined(TARGET_SPARC)
|
4985 |
{ "g", 1, QEMU_OPTION_g }, |
4986 |
#endif
|
4987 |
{ "localtime", 0, QEMU_OPTION_localtime }, |
4988 |
{ "vga", HAS_ARG, QEMU_OPTION_vga },
|
4989 |
{ "echr", HAS_ARG, QEMU_OPTION_echr },
|
4990 |
{ "monitor", HAS_ARG, QEMU_OPTION_monitor },
|
4991 |
{ "serial", HAS_ARG, QEMU_OPTION_serial },
|
4992 |
{ "parallel", HAS_ARG, QEMU_OPTION_parallel },
|
4993 |
{ "loadvm", HAS_ARG, QEMU_OPTION_loadvm },
|
4994 |
{ "full-screen", 0, QEMU_OPTION_full_screen }, |
4995 |
#ifdef CONFIG_SDL
|
4996 |
{ "no-frame", 0, QEMU_OPTION_no_frame }, |
4997 |
{ "alt-grab", 0, QEMU_OPTION_alt_grab }, |
4998 |
{ "no-quit", 0, QEMU_OPTION_no_quit }, |
4999 |
#endif
|
5000 |
{ "pidfile", HAS_ARG, QEMU_OPTION_pidfile },
|
5001 |
{ "win2k-hack", 0, QEMU_OPTION_win2k_hack }, |
5002 |
{ "usbdevice", HAS_ARG, QEMU_OPTION_usbdevice },
|
5003 |
{ "smp", HAS_ARG, QEMU_OPTION_smp },
|
5004 |
{ "vnc", HAS_ARG, QEMU_OPTION_vnc },
|
5005 |
#ifdef CONFIG_CURSES
|
5006 |
{ "curses", 0, QEMU_OPTION_curses }, |
5007 |
#endif
|
5008 |
{ "uuid", HAS_ARG, QEMU_OPTION_uuid },
|
5009 |
|
5010 |
/* temporary options */
|
5011 |
{ "usb", 0, QEMU_OPTION_usb }, |
5012 |
{ "no-acpi", 0, QEMU_OPTION_no_acpi }, |
5013 |
{ "no-reboot", 0, QEMU_OPTION_no_reboot }, |
5014 |
{ "no-shutdown", 0, QEMU_OPTION_no_shutdown }, |
5015 |
{ "show-cursor", 0, QEMU_OPTION_show_cursor }, |
5016 |
{ "daemonize", 0, QEMU_OPTION_daemonize }, |
5017 |
{ "option-rom", HAS_ARG, QEMU_OPTION_option_rom },
|
5018 |
#if defined(TARGET_ARM) || defined(TARGET_M68K)
|
5019 |
{ "semihosting", 0, QEMU_OPTION_semihosting }, |
5020 |
#endif
|
5021 |
{ "name", HAS_ARG, QEMU_OPTION_name },
|
5022 |
#if defined(TARGET_SPARC)
|
5023 |
{ "prom-env", HAS_ARG, QEMU_OPTION_prom_env },
|
5024 |
#endif
|
5025 |
#if defined(TARGET_ARM)
|
5026 |
{ "old-param", 0, QEMU_OPTION_old_param }, |
5027 |
#endif
|
5028 |
{ "clock", HAS_ARG, QEMU_OPTION_clock },
|
5029 |
{ "startdate", HAS_ARG, QEMU_OPTION_startdate },
|
5030 |
{ "tb-size", HAS_ARG, QEMU_OPTION_tb_size },
|
5031 |
{ "icount", HAS_ARG, QEMU_OPTION_icount },
|
5032 |
{ "incoming", HAS_ARG, QEMU_OPTION_incoming },
|
5033 |
{ NULL },
|
5034 |
}; |
5035 |
|
5036 |
/* password input */
|
5037 |
|
5038 |
int qemu_key_check(BlockDriverState *bs, const char *name) |
5039 |
{ |
5040 |
char password[256]; |
5041 |
int i;
|
5042 |
|
5043 |
if (!bdrv_is_encrypted(bs))
|
5044 |
return 0; |
5045 |
|
5046 |
term_printf("%s is encrypted.\n", name);
|
5047 |
for(i = 0; i < 3; i++) { |
5048 |
monitor_readline("Password: ", 1, password, sizeof(password)); |
5049 |
if (bdrv_set_key(bs, password) == 0) |
5050 |
return 0; |
5051 |
term_printf("invalid password\n");
|
5052 |
} |
5053 |
return -EPERM;
|
5054 |
} |
5055 |
|
5056 |
static BlockDriverState *get_bdrv(int index) |
5057 |
{ |
5058 |
if (index > nb_drives)
|
5059 |
return NULL; |
5060 |
return drives_table[index].bdrv;
|
5061 |
} |
5062 |
|
5063 |
static void read_passwords(void) |
5064 |
{ |
5065 |
BlockDriverState *bs; |
5066 |
int i;
|
5067 |
|
5068 |
for(i = 0; i < 6; i++) { |
5069 |
bs = get_bdrv(i); |
5070 |
if (bs)
|
5071 |
qemu_key_check(bs, bdrv_get_device_name(bs)); |
5072 |
} |
5073 |
} |
5074 |
|
5075 |
#ifdef HAS_AUDIO
|
5076 |
struct soundhw soundhw[] = {
|
5077 |
#ifdef HAS_AUDIO_CHOICE
|
5078 |
#if defined(TARGET_I386) || defined(TARGET_MIPS)
|
5079 |
{ |
5080 |
"pcspk",
|
5081 |
"PC speaker",
|
5082 |
0,
|
5083 |
1,
|
5084 |
{ .init_isa = pcspk_audio_init } |
5085 |
}, |
5086 |
#endif
|
5087 |
{ |
5088 |
"sb16",
|
5089 |
"Creative Sound Blaster 16",
|
5090 |
0,
|
5091 |
1,
|
5092 |
{ .init_isa = SB16_init } |
5093 |
}, |
5094 |
|
5095 |
#ifdef CONFIG_CS4231A
|
5096 |
{ |
5097 |
"cs4231a",
|
5098 |
"CS4231A",
|
5099 |
0,
|
5100 |
1,
|
5101 |
{ .init_isa = cs4231a_init } |
5102 |
}, |
5103 |
#endif
|
5104 |
|
5105 |
#ifdef CONFIG_ADLIB
|
5106 |
{ |
5107 |
"adlib",
|
5108 |
#ifdef HAS_YMF262
|
5109 |
"Yamaha YMF262 (OPL3)",
|
5110 |
#else
|
5111 |
"Yamaha YM3812 (OPL2)",
|
5112 |
#endif
|
5113 |
0,
|
5114 |
1,
|
5115 |
{ .init_isa = Adlib_init } |
5116 |
}, |
5117 |
#endif
|
5118 |
|
5119 |
#ifdef CONFIG_GUS
|
5120 |
{ |
5121 |
"gus",
|
5122 |
"Gravis Ultrasound GF1",
|
5123 |
0,
|
5124 |
1,
|
5125 |
{ .init_isa = GUS_init } |
5126 |
}, |
5127 |
#endif
|
5128 |
|
5129 |
#ifdef CONFIG_AC97
|
5130 |
{ |
5131 |
"ac97",
|
5132 |
"Intel 82801AA AC97 Audio",
|
5133 |
0,
|
5134 |
0,
|
5135 |
{ .init_pci = ac97_init } |
5136 |
}, |
5137 |
#endif
|
5138 |
|
5139 |
{ |
5140 |
"es1370",
|
5141 |
"ENSONIQ AudioPCI ES1370",
|
5142 |
0,
|
5143 |
0,
|
5144 |
{ .init_pci = es1370_init } |
5145 |
}, |
5146 |
#endif
|
5147 |
|
5148 |
{ NULL, NULL, 0, 0, { NULL } } |
5149 |
}; |
5150 |
|
5151 |
static void select_soundhw (const char *optarg) |
5152 |
{ |
5153 |
struct soundhw *c;
|
5154 |
|
5155 |
if (*optarg == '?') { |
5156 |
show_valid_cards:
|
5157 |
|
5158 |
printf ("Valid sound card names (comma separated):\n");
|
5159 |
for (c = soundhw; c->name; ++c) {
|
5160 |
printf ("%-11s %s\n", c->name, c->descr);
|
5161 |
} |
5162 |
printf ("\n-soundhw all will enable all of the above\n");
|
5163 |
exit (*optarg != '?');
|
5164 |
} |
5165 |
else {
|
5166 |
size_t l; |
5167 |
const char *p; |
5168 |
char *e;
|
5169 |
int bad_card = 0; |
5170 |
|
5171 |
if (!strcmp (optarg, "all")) { |
5172 |
for (c = soundhw; c->name; ++c) {
|
5173 |
c->enabled = 1;
|
5174 |
} |
5175 |
return;
|
5176 |
} |
5177 |
|
5178 |
p = optarg; |
5179 |
while (*p) {
|
5180 |
e = strchr (p, ',');
|
5181 |
l = !e ? strlen (p) : (size_t) (e - p); |
5182 |
|
5183 |
for (c = soundhw; c->name; ++c) {
|
5184 |
if (!strncmp (c->name, p, l)) {
|
5185 |
c->enabled = 1;
|
5186 |
break;
|
5187 |
} |
5188 |
} |
5189 |
|
5190 |
if (!c->name) {
|
5191 |
if (l > 80) { |
5192 |
fprintf (stderr, |
5193 |
"Unknown sound card name (too big to show)\n");
|
5194 |
} |
5195 |
else {
|
5196 |
fprintf (stderr, "Unknown sound card name `%.*s'\n",
|
5197 |
(int) l, p);
|
5198 |
} |
5199 |
bad_card = 1;
|
5200 |
} |
5201 |
p += l + (e != NULL);
|
5202 |
} |
5203 |
|
5204 |
if (bad_card)
|
5205 |
goto show_valid_cards;
|
5206 |
} |
5207 |
} |
5208 |
#endif
|
5209 |
|
5210 |
static void select_vgahw (const char *p) |
5211 |
{ |
5212 |
const char *opts; |
5213 |
|
5214 |
if (strstart(p, "std", &opts)) { |
5215 |
cirrus_vga_enabled = 0;
|
5216 |
vmsvga_enabled = 0;
|
5217 |
} else if (strstart(p, "cirrus", &opts)) { |
5218 |
cirrus_vga_enabled = 1;
|
5219 |
vmsvga_enabled = 0;
|
5220 |
} else if (strstart(p, "vmware", &opts)) { |
5221 |
cirrus_vga_enabled = 0;
|
5222 |
vmsvga_enabled = 1;
|
5223 |
} else {
|
5224 |
invalid_vga:
|
5225 |
fprintf(stderr, "Unknown vga type: %s\n", p);
|
5226 |
exit(1);
|
5227 |
} |
5228 |
while (*opts) {
|
5229 |
const char *nextopt; |
5230 |
|
5231 |
if (strstart(opts, ",retrace=", &nextopt)) { |
5232 |
opts = nextopt; |
5233 |
if (strstart(opts, "dumb", &nextopt)) |
5234 |
vga_retrace_method = VGA_RETRACE_DUMB; |
5235 |
else if (strstart(opts, "precise", &nextopt)) |
5236 |
vga_retrace_method = VGA_RETRACE_PRECISE; |
5237 |
else goto invalid_vga; |
5238 |
} else goto invalid_vga; |
5239 |
opts = nextopt; |
5240 |
} |
5241 |
} |
5242 |
|
5243 |
#ifdef _WIN32
|
5244 |
static BOOL WINAPI qemu_ctrl_handler(DWORD type)
|
5245 |
{ |
5246 |
exit(STATUS_CONTROL_C_EXIT); |
5247 |
return TRUE;
|
5248 |
} |
5249 |
#endif
|
5250 |
|
5251 |
static int qemu_uuid_parse(const char *str, uint8_t *uuid) |
5252 |
{ |
5253 |
int ret;
|
5254 |
|
5255 |
if(strlen(str) != 36) |
5256 |
return -1; |
5257 |
|
5258 |
ret = sscanf(str, UUID_FMT, &uuid[0], &uuid[1], &uuid[2], &uuid[3], |
5259 |
&uuid[4], &uuid[5], &uuid[6], &uuid[7], &uuid[8], &uuid[9], |
5260 |
&uuid[10], &uuid[11], &uuid[12], &uuid[13], &uuid[14], &uuid[15]); |
5261 |
|
5262 |
if(ret != 16) |
5263 |
return -1; |
5264 |
|
5265 |
return 0; |
5266 |
} |
5267 |
|
5268 |
#define MAX_NET_CLIENTS 32 |
5269 |
|
5270 |
#ifndef _WIN32
|
5271 |
|
5272 |
static void termsig_handler(int signal) |
5273 |
{ |
5274 |
qemu_system_shutdown_request(); |
5275 |
} |
5276 |
|
5277 |
static void termsig_setup(void) |
5278 |
{ |
5279 |
struct sigaction act;
|
5280 |
|
5281 |
memset(&act, 0, sizeof(act)); |
5282 |
act.sa_handler = termsig_handler; |
5283 |
sigaction(SIGINT, &act, NULL);
|
5284 |
sigaction(SIGHUP, &act, NULL);
|
5285 |
sigaction(SIGTERM, &act, NULL);
|
5286 |
} |
5287 |
|
5288 |
#endif
|
5289 |
|
5290 |
int main(int argc, char **argv) |
5291 |
{ |
5292 |
#ifdef CONFIG_GDBSTUB
|
5293 |
int use_gdbstub;
|
5294 |
const char *gdbstub_port; |
5295 |
#endif
|
5296 |
uint32_t boot_devices_bitmap = 0;
|
5297 |
int i;
|
5298 |
int snapshot, linux_boot, net_boot;
|
5299 |
const char *initrd_filename; |
5300 |
const char *kernel_filename, *kernel_cmdline; |
5301 |
const char *boot_devices = ""; |
5302 |
DisplayState *ds = &display_state; |
5303 |
int cyls, heads, secs, translation;
|
5304 |
const char *net_clients[MAX_NET_CLIENTS]; |
5305 |
int nb_net_clients;
|
5306 |
int hda_index;
|
5307 |
int optind;
|
5308 |
const char *r, *optarg; |
5309 |
CharDriverState *monitor_hd; |
5310 |
const char *monitor_device; |
5311 |
const char *serial_devices[MAX_SERIAL_PORTS]; |
5312 |
int serial_device_index;
|
5313 |
const char *parallel_devices[MAX_PARALLEL_PORTS]; |
5314 |
int parallel_device_index;
|
5315 |
const char *loadvm = NULL; |
5316 |
QEMUMachine *machine; |
5317 |
const char *cpu_model; |
5318 |
const char *usb_devices[MAX_USB_CMDLINE]; |
5319 |
int usb_devices_index;
|
5320 |
int fds[2]; |
5321 |
int tb_size;
|
5322 |
const char *pid_file = NULL; |
5323 |
int autostart;
|
5324 |
const char *incoming = NULL; |
5325 |
|
5326 |
LIST_INIT (&vm_change_state_head); |
5327 |
#ifndef _WIN32
|
5328 |
{ |
5329 |
struct sigaction act;
|
5330 |
sigfillset(&act.sa_mask); |
5331 |
act.sa_flags = 0;
|
5332 |
act.sa_handler = SIG_IGN; |
5333 |
sigaction(SIGPIPE, &act, NULL);
|
5334 |
} |
5335 |
#else
|
5336 |
SetConsoleCtrlHandler(qemu_ctrl_handler, TRUE); |
5337 |
/* Note: cpu_interrupt() is currently not SMP safe, so we force
|
5338 |
QEMU to run on a single CPU */
|
5339 |
{ |
5340 |
HANDLE h; |
5341 |
DWORD mask, smask; |
5342 |
int i;
|
5343 |
h = GetCurrentProcess(); |
5344 |
if (GetProcessAffinityMask(h, &mask, &smask)) {
|
5345 |
for(i = 0; i < 32; i++) { |
5346 |
if (mask & (1 << i)) |
5347 |
break;
|
5348 |
} |
5349 |
if (i != 32) { |
5350 |
mask = 1 << i;
|
5351 |
SetProcessAffinityMask(h, mask); |
5352 |
} |
5353 |
} |
5354 |
} |
5355 |
#endif
|
5356 |
|
5357 |
register_machines(); |
5358 |
machine = first_machine; |
5359 |
cpu_model = NULL;
|
5360 |
initrd_filename = NULL;
|
5361 |
ram_size = 0;
|
5362 |
vga_ram_size = VGA_RAM_SIZE; |
5363 |
#ifdef CONFIG_GDBSTUB
|
5364 |
use_gdbstub = 0;
|
5365 |
gdbstub_port = DEFAULT_GDBSTUB_PORT; |
5366 |
#endif
|
5367 |
snapshot = 0;
|
5368 |
nographic = 0;
|
5369 |
curses = 0;
|
5370 |
kernel_filename = NULL;
|
5371 |
kernel_cmdline = "";
|
5372 |
cyls = heads = secs = 0;
|
5373 |
translation = BIOS_ATA_TRANSLATION_AUTO; |
5374 |
monitor_device = "vc";
|
5375 |
|
5376 |
serial_devices[0] = "vc:80Cx24C"; |
5377 |
for(i = 1; i < MAX_SERIAL_PORTS; i++) |
5378 |
serial_devices[i] = NULL;
|
5379 |
serial_device_index = 0;
|
5380 |
|
5381 |
parallel_devices[0] = "vc:640x480"; |
5382 |
for(i = 1; i < MAX_PARALLEL_PORTS; i++) |
5383 |
parallel_devices[i] = NULL;
|
5384 |
parallel_device_index = 0;
|
5385 |
|
5386 |
usb_devices_index = 0;
|
5387 |
|
5388 |
nb_net_clients = 0;
|
5389 |
nb_drives = 0;
|
5390 |
nb_drives_opt = 0;
|
5391 |
hda_index = -1;
|
5392 |
|
5393 |
nb_nics = 0;
|
5394 |
|
5395 |
tb_size = 0;
|
5396 |
autostart= 1;
|
5397 |
|
5398 |
optind = 1;
|
5399 |
for(;;) {
|
5400 |
if (optind >= argc)
|
5401 |
break;
|
5402 |
r = argv[optind]; |
5403 |
if (r[0] != '-') { |
5404 |
hda_index = drive_add(argv[optind++], HD_ALIAS, 0);
|
5405 |
} else {
|
5406 |
const QEMUOption *popt;
|
5407 |
|
5408 |
optind++; |
5409 |
/* Treat --foo the same as -foo. */
|
5410 |
if (r[1] == '-') |
5411 |
r++; |
5412 |
popt = qemu_options; |
5413 |
for(;;) {
|
5414 |
if (!popt->name) {
|
5415 |
fprintf(stderr, "%s: invalid option -- '%s'\n",
|
5416 |
argv[0], r);
|
5417 |
exit(1);
|
5418 |
} |
5419 |
if (!strcmp(popt->name, r + 1)) |
5420 |
break;
|
5421 |
popt++; |
5422 |
} |
5423 |
if (popt->flags & HAS_ARG) {
|
5424 |
if (optind >= argc) {
|
5425 |
fprintf(stderr, "%s: option '%s' requires an argument\n",
|
5426 |
argv[0], r);
|
5427 |
exit(1);
|
5428 |
} |
5429 |
optarg = argv[optind++]; |
5430 |
} else {
|
5431 |
optarg = NULL;
|
5432 |
} |
5433 |
|
5434 |
switch(popt->index) {
|
5435 |
case QEMU_OPTION_M:
|
5436 |
machine = find_machine(optarg); |
5437 |
if (!machine) {
|
5438 |
QEMUMachine *m; |
5439 |
printf("Supported machines are:\n");
|
5440 |
for(m = first_machine; m != NULL; m = m->next) { |
5441 |
printf("%-10s %s%s\n",
|
5442 |
m->name, m->desc, |
5443 |
m == first_machine ? " (default)" : ""); |
5444 |
} |
5445 |
exit(*optarg != '?');
|
5446 |
} |
5447 |
break;
|
5448 |
case QEMU_OPTION_cpu:
|
5449 |
/* hw initialization will check this */
|
5450 |
if (*optarg == '?') { |
5451 |
/* XXX: implement xxx_cpu_list for targets that still miss it */
|
5452 |
#if defined(cpu_list)
|
5453 |
cpu_list(stdout, &fprintf); |
5454 |
#endif
|
5455 |
exit(0);
|
5456 |
} else {
|
5457 |
cpu_model = optarg; |
5458 |
} |
5459 |
break;
|
5460 |
case QEMU_OPTION_initrd:
|
5461 |
initrd_filename = optarg; |
5462 |
break;
|
5463 |
case QEMU_OPTION_hda:
|
5464 |
if (cyls == 0) |
5465 |
hda_index = drive_add(optarg, HD_ALIAS, 0);
|
5466 |
else
|
5467 |
hda_index = drive_add(optarg, HD_ALIAS |
5468 |
",cyls=%d,heads=%d,secs=%d%s",
|
5469 |
0, cyls, heads, secs,
|
5470 |
translation == BIOS_ATA_TRANSLATION_LBA ? |
5471 |
",trans=lba" :
|
5472 |
translation == BIOS_ATA_TRANSLATION_NONE ? |
5473 |
",trans=none" : ""); |
5474 |
break;
|
5475 |
case QEMU_OPTION_hdb:
|
5476 |
case QEMU_OPTION_hdc:
|
5477 |
case QEMU_OPTION_hdd:
|
5478 |
drive_add(optarg, HD_ALIAS, popt->index - QEMU_OPTION_hda); |
5479 |
break;
|
5480 |
case QEMU_OPTION_drive:
|
5481 |
drive_add(NULL, "%s", optarg); |
5482 |
break;
|
5483 |
case QEMU_OPTION_mtdblock:
|
5484 |
drive_add(optarg, MTD_ALIAS); |
5485 |
break;
|
5486 |
case QEMU_OPTION_sd:
|
5487 |
drive_add(optarg, SD_ALIAS); |
5488 |
break;
|
5489 |
case QEMU_OPTION_pflash:
|
5490 |
drive_add(optarg, PFLASH_ALIAS); |
5491 |
break;
|
5492 |
case QEMU_OPTION_snapshot:
|
5493 |
snapshot = 1;
|
5494 |
break;
|
5495 |
case QEMU_OPTION_hdachs:
|
5496 |
{ |
5497 |
const char *p; |
5498 |
p = optarg; |
5499 |
cyls = strtol(p, (char **)&p, 0); |
5500 |
if (cyls < 1 || cyls > 16383) |
5501 |
goto chs_fail;
|
5502 |
if (*p != ',') |
5503 |
goto chs_fail;
|
5504 |
p++; |
5505 |
heads = strtol(p, (char **)&p, 0); |
5506 |
if (heads < 1 || heads > 16) |
5507 |
goto chs_fail;
|
5508 |
if (*p != ',') |
5509 |
goto chs_fail;
|
5510 |
p++; |
5511 |
secs = strtol(p, (char **)&p, 0); |
5512 |
if (secs < 1 || secs > 63) |
5513 |
goto chs_fail;
|
5514 |
if (*p == ',') { |
5515 |
p++; |
5516 |
if (!strcmp(p, "none")) |
5517 |
translation = BIOS_ATA_TRANSLATION_NONE; |
5518 |
else if (!strcmp(p, "lba")) |
5519 |
translation = BIOS_ATA_TRANSLATION_LBA; |
5520 |
else if (!strcmp(p, "auto")) |
5521 |
translation = BIOS_ATA_TRANSLATION_AUTO; |
5522 |
else
|
5523 |
goto chs_fail;
|
5524 |
} else if (*p != '\0') { |
5525 |
chs_fail:
|
5526 |
fprintf(stderr, "qemu: invalid physical CHS format\n");
|
5527 |
exit(1);
|
5528 |
} |
5529 |
if (hda_index != -1) |
5530 |
snprintf(drives_opt[hda_index].opt, |
5531 |
sizeof(drives_opt[hda_index].opt),
|
5532 |
HD_ALIAS ",cyls=%d,heads=%d,secs=%d%s",
|
5533 |
0, cyls, heads, secs,
|
5534 |
translation == BIOS_ATA_TRANSLATION_LBA ? |
5535 |
",trans=lba" :
|
5536 |
translation == BIOS_ATA_TRANSLATION_NONE ? |
5537 |
",trans=none" : ""); |
5538 |
} |
5539 |
break;
|
5540 |
case QEMU_OPTION_nographic:
|
5541 |
nographic = 1;
|
5542 |
break;
|
5543 |
#ifdef CONFIG_CURSES
|
5544 |
case QEMU_OPTION_curses:
|
5545 |
curses = 1;
|
5546 |
break;
|
5547 |
#endif
|
5548 |
case QEMU_OPTION_portrait:
|
5549 |
graphic_rotate = 1;
|
5550 |
break;
|
5551 |
case QEMU_OPTION_kernel:
|
5552 |
kernel_filename = optarg; |
5553 |
break;
|
5554 |
case QEMU_OPTION_append:
|
5555 |
kernel_cmdline = optarg; |
5556 |
break;
|
5557 |
case QEMU_OPTION_cdrom:
|
5558 |
drive_add(optarg, CDROM_ALIAS); |
5559 |
break;
|
5560 |
case QEMU_OPTION_boot:
|
5561 |
boot_devices = optarg; |
5562 |
/* We just do some generic consistency checks */
|
5563 |
{ |
5564 |
/* Could easily be extended to 64 devices if needed */
|
5565 |
const char *p; |
5566 |
|
5567 |
boot_devices_bitmap = 0;
|
5568 |
for (p = boot_devices; *p != '\0'; p++) { |
5569 |
/* Allowed boot devices are:
|
5570 |
* a b : floppy disk drives
|
5571 |
* c ... f : IDE disk drives
|
5572 |
* g ... m : machine implementation dependant drives
|
5573 |
* n ... p : network devices
|
5574 |
* It's up to each machine implementation to check
|
5575 |
* if the given boot devices match the actual hardware
|
5576 |
* implementation and firmware features.
|
5577 |
*/
|
5578 |
if (*p < 'a' || *p > 'q') { |
5579 |
fprintf(stderr, "Invalid boot device '%c'\n", *p);
|
5580 |
exit(1);
|
5581 |
} |
5582 |
if (boot_devices_bitmap & (1 << (*p - 'a'))) { |
5583 |
fprintf(stderr, |
5584 |
"Boot device '%c' was given twice\n",*p);
|
5585 |
exit(1);
|
5586 |
} |
5587 |
boot_devices_bitmap |= 1 << (*p - 'a'); |
5588 |
} |
5589 |
} |
5590 |
break;
|
5591 |
case QEMU_OPTION_fda:
|
5592 |
case QEMU_OPTION_fdb:
|
5593 |
drive_add(optarg, FD_ALIAS, popt->index - QEMU_OPTION_fda); |
5594 |
break;
|
5595 |
#ifdef TARGET_I386
|
5596 |
case QEMU_OPTION_no_fd_bootchk:
|
5597 |
fd_bootchk = 0;
|
5598 |
break;
|
5599 |
#endif
|
5600 |
case QEMU_OPTION_net:
|
5601 |
if (nb_net_clients >= MAX_NET_CLIENTS) {
|
5602 |
fprintf(stderr, "qemu: too many network clients\n");
|
5603 |
exit(1);
|
5604 |
} |
5605 |
net_clients[nb_net_clients] = optarg; |
5606 |
nb_net_clients++; |
5607 |
break;
|
5608 |
#ifdef CONFIG_SLIRP
|
5609 |
case QEMU_OPTION_tftp:
|
5610 |
tftp_prefix = optarg; |
5611 |
break;
|
5612 |
case QEMU_OPTION_bootp:
|
5613 |
bootp_filename = optarg; |
5614 |
break;
|
5615 |
#ifndef _WIN32
|
5616 |
case QEMU_OPTION_smb:
|
5617 |
net_slirp_smb(optarg); |
5618 |
break;
|
5619 |
#endif
|
5620 |
case QEMU_OPTION_redir:
|
5621 |
net_slirp_redir(optarg); |
5622 |
break;
|
5623 |
#endif
|
5624 |
#ifdef HAS_AUDIO
|
5625 |
case QEMU_OPTION_audio_help:
|
5626 |
AUD_help (); |
5627 |
exit (0);
|
5628 |
break;
|
5629 |
case QEMU_OPTION_soundhw:
|
5630 |
select_soundhw (optarg); |
5631 |
break;
|
5632 |
#endif
|
5633 |
case QEMU_OPTION_h:
|
5634 |
help(0);
|
5635 |
break;
|
5636 |
case QEMU_OPTION_m: {
|
5637 |
uint64_t value; |
5638 |
char *ptr;
|
5639 |
|
5640 |
value = strtoul(optarg, &ptr, 10);
|
5641 |
switch (*ptr) {
|
5642 |
case 0: case 'M': case 'm': |
5643 |
value <<= 20;
|
5644 |
break;
|
5645 |
case 'G': case 'g': |
5646 |
value <<= 30;
|
5647 |
break;
|
5648 |
default:
|
5649 |
fprintf(stderr, "qemu: invalid ram size: %s\n", optarg);
|
5650 |
exit(1);
|
5651 |
} |
5652 |
|
5653 |
/* On 32-bit hosts, QEMU is limited by virtual address space */
|
5654 |
if (value > (2047 << 20) |
5655 |
#ifndef USE_KQEMU
|
5656 |
&& HOST_LONG_BITS == 32
|
5657 |
#endif
|
5658 |
) { |
5659 |
fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
|
5660 |
exit(1);
|
5661 |
} |
5662 |
if (value != (uint64_t)(ram_addr_t)value) {
|
5663 |
fprintf(stderr, "qemu: ram size too large\n");
|
5664 |
exit(1);
|
5665 |
} |
5666 |
ram_size = value; |
5667 |
break;
|
5668 |
} |
5669 |
case QEMU_OPTION_d:
|
5670 |
{ |
5671 |
int mask;
|
5672 |
const CPULogItem *item;
|
5673 |
|
5674 |
mask = cpu_str_to_log_mask(optarg); |
5675 |
if (!mask) {
|
5676 |
printf("Log items (comma separated):\n");
|
5677 |
for(item = cpu_log_items; item->mask != 0; item++) { |
5678 |
printf("%-10s %s\n", item->name, item->help);
|
5679 |
} |
5680 |
exit(1);
|
5681 |
} |
5682 |
cpu_set_log(mask); |
5683 |
} |
5684 |
break;
|
5685 |
#ifdef CONFIG_GDBSTUB
|
5686 |
case QEMU_OPTION_s:
|
5687 |
use_gdbstub = 1;
|
5688 |
break;
|
5689 |
case QEMU_OPTION_p:
|
5690 |
gdbstub_port = optarg; |
5691 |
break;
|
5692 |
#endif
|
5693 |
case QEMU_OPTION_L:
|
5694 |
bios_dir = optarg; |
5695 |
break;
|
5696 |
case QEMU_OPTION_bios:
|
5697 |
bios_name = optarg; |
5698 |
break;
|
5699 |
case QEMU_OPTION_S:
|
5700 |
autostart = 0;
|
5701 |
break;
|
5702 |
case QEMU_OPTION_k:
|
5703 |
keyboard_layout = optarg; |
5704 |
break;
|
5705 |
case QEMU_OPTION_localtime:
|
5706 |
rtc_utc = 0;
|
5707 |
break;
|
5708 |
case QEMU_OPTION_vga:
|
5709 |
select_vgahw (optarg); |
5710 |
break;
|
5711 |
case QEMU_OPTION_g:
|
5712 |
{ |
5713 |
const char *p; |
5714 |
int w, h, depth;
|
5715 |
p = optarg; |
5716 |
w = strtol(p, (char **)&p, 10); |
5717 |
if (w <= 0) { |
5718 |
graphic_error:
|
5719 |
fprintf(stderr, "qemu: invalid resolution or depth\n");
|
5720 |
exit(1);
|
5721 |
} |
5722 |
if (*p != 'x') |
5723 |
goto graphic_error;
|
5724 |
p++; |
5725 |
h = strtol(p, (char **)&p, 10); |
5726 |
if (h <= 0) |
5727 |
goto graphic_error;
|
5728 |
if (*p == 'x') { |
5729 |
p++; |
5730 |
depth = strtol(p, (char **)&p, 10); |
5731 |
if (depth != 8 && depth != 15 && depth != 16 && |
5732 |
depth != 24 && depth != 32) |
5733 |
goto graphic_error;
|
5734 |
} else if (*p == '\0') { |
5735 |
depth = graphic_depth; |
5736 |
} else {
|
5737 |
goto graphic_error;
|
5738 |
} |
5739 |
|
5740 |
graphic_width = w; |
5741 |
graphic_height = h; |
5742 |
graphic_depth = depth; |
5743 |
} |
5744 |
break;
|
5745 |
case QEMU_OPTION_echr:
|
5746 |
{ |
5747 |
char *r;
|
5748 |
term_escape_char = strtol(optarg, &r, 0);
|
5749 |
if (r == optarg)
|
5750 |
printf("Bad argument to echr\n");
|
5751 |
break;
|
5752 |
} |
5753 |
case QEMU_OPTION_monitor:
|
5754 |
monitor_device = optarg; |
5755 |
break;
|
5756 |
case QEMU_OPTION_serial:
|
5757 |
if (serial_device_index >= MAX_SERIAL_PORTS) {
|
5758 |
fprintf(stderr, "qemu: too many serial ports\n");
|
5759 |
exit(1);
|
5760 |
} |
5761 |
serial_devices[serial_device_index] = optarg; |
5762 |
serial_device_index++; |
5763 |
break;
|
5764 |
case QEMU_OPTION_parallel:
|
5765 |
if (parallel_device_index >= MAX_PARALLEL_PORTS) {
|
5766 |
fprintf(stderr, "qemu: too many parallel ports\n");
|
5767 |
exit(1);
|
5768 |
} |
5769 |
parallel_devices[parallel_device_index] = optarg; |
5770 |
parallel_device_index++; |
5771 |
break;
|
5772 |
case QEMU_OPTION_loadvm:
|
5773 |
loadvm = optarg; |
5774 |
break;
|
5775 |
case QEMU_OPTION_full_screen:
|
5776 |
full_screen = 1;
|
5777 |
break;
|
5778 |
#ifdef CONFIG_SDL
|
5779 |
case QEMU_OPTION_no_frame:
|
5780 |
no_frame = 1;
|
5781 |
break;
|
5782 |
case QEMU_OPTION_alt_grab:
|
5783 |
alt_grab = 1;
|
5784 |
break;
|
5785 |
case QEMU_OPTION_no_quit:
|
5786 |
no_quit = 1;
|
5787 |
break;
|
5788 |
#endif
|
5789 |
case QEMU_OPTION_pidfile:
|
5790 |
pid_file = optarg; |
5791 |
break;
|
5792 |
#ifdef TARGET_I386
|
5793 |
case QEMU_OPTION_win2k_hack:
|
5794 |
win2k_install_hack = 1;
|
5795 |
break;
|
5796 |
#endif
|
5797 |
#ifdef USE_KQEMU
|
5798 |
case QEMU_OPTION_no_kqemu:
|
5799 |
kqemu_allowed = 0;
|
5800 |
break;
|
5801 |
case QEMU_OPTION_kernel_kqemu:
|
5802 |
kqemu_allowed = 2;
|
5803 |
break;
|
5804 |
#endif
|
5805 |
#ifdef CONFIG_KVM
|
5806 |
case QEMU_OPTION_enable_kvm:
|
5807 |
kvm_allowed = 1;
|
5808 |
#ifdef USE_KQEMU
|
5809 |
kqemu_allowed = 0;
|
5810 |
#endif
|
5811 |
break;
|
5812 |
#endif
|
5813 |
case QEMU_OPTION_usb:
|
5814 |
usb_enabled = 1;
|
5815 |
break;
|
5816 |
case QEMU_OPTION_usbdevice:
|
5817 |
usb_enabled = 1;
|
5818 |
if (usb_devices_index >= MAX_USB_CMDLINE) {
|
5819 |
fprintf(stderr, "Too many USB devices\n");
|
5820 |
exit(1);
|
5821 |
} |
5822 |
usb_devices[usb_devices_index] = optarg; |
5823 |
usb_devices_index++; |
5824 |
break;
|
5825 |
case QEMU_OPTION_smp:
|
5826 |
smp_cpus = atoi(optarg); |
5827 |
if (smp_cpus < 1) { |
5828 |
fprintf(stderr, "Invalid number of CPUs\n");
|
5829 |
exit(1);
|
5830 |
} |
5831 |
break;
|
5832 |
case QEMU_OPTION_vnc:
|
5833 |
vnc_display = optarg; |
5834 |
break;
|
5835 |
case QEMU_OPTION_no_acpi:
|
5836 |
acpi_enabled = 0;
|
5837 |
break;
|
5838 |
case QEMU_OPTION_no_reboot:
|
5839 |
no_reboot = 1;
|
5840 |
break;
|
5841 |
case QEMU_OPTION_no_shutdown:
|
5842 |
no_shutdown = 1;
|
5843 |
break;
|
5844 |
case QEMU_OPTION_show_cursor:
|
5845 |
cursor_hide = 0;
|
5846 |
break;
|
5847 |
case QEMU_OPTION_uuid:
|
5848 |
if(qemu_uuid_parse(optarg, qemu_uuid) < 0) { |
5849 |
fprintf(stderr, "Fail to parse UUID string."
|
5850 |
" Wrong format.\n");
|
5851 |
exit(1);
|
5852 |
} |
5853 |
break;
|
5854 |
case QEMU_OPTION_daemonize:
|
5855 |
daemonize = 1;
|
5856 |
break;
|
5857 |
case QEMU_OPTION_option_rom:
|
5858 |
if (nb_option_roms >= MAX_OPTION_ROMS) {
|
5859 |
fprintf(stderr, "Too many option ROMs\n");
|
5860 |
exit(1);
|
5861 |
} |
5862 |
option_rom[nb_option_roms] = optarg; |
5863 |
nb_option_roms++; |
5864 |
break;
|
5865 |
case QEMU_OPTION_semihosting:
|
5866 |
semihosting_enabled = 1;
|
5867 |
break;
|
5868 |
case QEMU_OPTION_name:
|
5869 |
qemu_name = optarg; |
5870 |
break;
|
5871 |
#ifdef TARGET_SPARC
|
5872 |
case QEMU_OPTION_prom_env:
|
5873 |
if (nb_prom_envs >= MAX_PROM_ENVS) {
|
5874 |
fprintf(stderr, "Too many prom variables\n");
|
5875 |
exit(1);
|
5876 |
} |
5877 |
prom_envs[nb_prom_envs] = optarg; |
5878 |
nb_prom_envs++; |
5879 |
break;
|
5880 |
#endif
|
5881 |
#ifdef TARGET_ARM
|
5882 |
case QEMU_OPTION_old_param:
|
5883 |
old_param = 1;
|
5884 |
break;
|
5885 |
#endif
|
5886 |
case QEMU_OPTION_clock:
|
5887 |
configure_alarms(optarg); |
5888 |
break;
|
5889 |
case QEMU_OPTION_startdate:
|
5890 |
{ |
5891 |
struct tm tm;
|
5892 |
time_t rtc_start_date; |
5893 |
if (!strcmp(optarg, "now")) { |
5894 |
rtc_date_offset = -1;
|
5895 |
} else {
|
5896 |
if (sscanf(optarg, "%d-%d-%dT%d:%d:%d", |
5897 |
&tm.tm_year, |
5898 |
&tm.tm_mon, |
5899 |
&tm.tm_mday, |
5900 |
&tm.tm_hour, |
5901 |
&tm.tm_min, |
5902 |
&tm.tm_sec) == 6) {
|
5903 |
/* OK */
|
5904 |
} else if (sscanf(optarg, "%d-%d-%d", |
5905 |
&tm.tm_year, |
5906 |
&tm.tm_mon, |
5907 |
&tm.tm_mday) == 3) {
|
5908 |
tm.tm_hour = 0;
|
5909 |
tm.tm_min = 0;
|
5910 |
tm.tm_sec = 0;
|
5911 |
} else {
|
5912 |
goto date_fail;
|
5913 |
} |
5914 |
tm.tm_year -= 1900;
|
5915 |
tm.tm_mon--; |
5916 |
rtc_start_date = mktimegm(&tm); |
5917 |
if (rtc_start_date == -1) { |
5918 |
date_fail:
|
5919 |
fprintf(stderr, "Invalid date format. Valid format are:\n"
|
5920 |
"'now' or '2006-06-17T16:01:21' or '2006-06-17'\n");
|
5921 |
exit(1);
|
5922 |
} |
5923 |
rtc_date_offset = time(NULL) - rtc_start_date;
|
5924 |
} |
5925 |
} |
5926 |
break;
|
5927 |
case QEMU_OPTION_tb_size:
|
5928 |
tb_size = strtol(optarg, NULL, 0); |
5929 |
if (tb_size < 0) |
5930 |
tb_size = 0;
|
5931 |
break;
|
5932 |
case QEMU_OPTION_icount:
|
5933 |
use_icount = 1;
|
5934 |
if (strcmp(optarg, "auto") == 0) { |
5935 |
icount_time_shift = -1;
|
5936 |
} else {
|
5937 |
icount_time_shift = strtol(optarg, NULL, 0); |
5938 |
} |
5939 |
break;
|
5940 |
case QEMU_OPTION_incoming:
|
5941 |
incoming = optarg; |
5942 |
break;
|
5943 |
} |
5944 |
} |
5945 |
} |
5946 |
|
5947 |
#if defined(CONFIG_KVM) && defined(USE_KQEMU)
|
5948 |
if (kvm_allowed && kqemu_allowed) {
|
5949 |
fprintf(stderr, |
5950 |
"You can not enable both KVM and kqemu at the same time\n");
|
5951 |
exit(1);
|
5952 |
} |
5953 |
#endif
|
5954 |
|
5955 |
machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */ |
5956 |
if (smp_cpus > machine->max_cpus) {
|
5957 |
fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
|
5958 |
"supported by machine `%s' (%d)\n", smp_cpus, machine->name,
|
5959 |
machine->max_cpus); |
5960 |
exit(1);
|
5961 |
} |
5962 |
|
5963 |
if (nographic) {
|
5964 |
if (serial_device_index == 0) |
5965 |
serial_devices[0] = "stdio"; |
5966 |
if (parallel_device_index == 0) |
5967 |
parallel_devices[0] = "null"; |
5968 |
if (strncmp(monitor_device, "vc", 2) == 0) |
5969 |
monitor_device = "stdio";
|
5970 |
} |
5971 |
|
5972 |
#ifndef _WIN32
|
5973 |
if (daemonize) {
|
5974 |
pid_t pid; |
5975 |
|
5976 |
if (pipe(fds) == -1) |
5977 |
exit(1);
|
5978 |
|
5979 |
pid = fork(); |
5980 |
if (pid > 0) { |
5981 |
uint8_t status; |
5982 |
ssize_t len; |
5983 |
|
5984 |
close(fds[1]);
|
5985 |
|
5986 |
again:
|
5987 |
len = read(fds[0], &status, 1); |
5988 |
if (len == -1 && (errno == EINTR)) |
5989 |
goto again;
|
5990 |
|
5991 |
if (len != 1) |
5992 |
exit(1);
|
5993 |
else if (status == 1) { |
5994 |
fprintf(stderr, "Could not acquire pidfile\n");
|
5995 |
exit(1);
|
5996 |
} else
|
5997 |
exit(0);
|
5998 |
} else if (pid < 0) |
5999 |
exit(1);
|
6000 |
|
6001 |
setsid(); |
6002 |
|
6003 |
pid = fork(); |
6004 |
if (pid > 0) |
6005 |
exit(0);
|
6006 |
else if (pid < 0) |
6007 |
exit(1);
|
6008 |
|
6009 |
umask(027);
|
6010 |
|
6011 |
signal(SIGTSTP, SIG_IGN); |
6012 |
signal(SIGTTOU, SIG_IGN); |
6013 |
signal(SIGTTIN, SIG_IGN); |
6014 |
} |
6015 |
#endif
|
6016 |
|
6017 |
if (pid_file && qemu_create_pidfile(pid_file) != 0) { |
6018 |
if (daemonize) {
|
6019 |
uint8_t status = 1;
|
6020 |
write(fds[1], &status, 1); |
6021 |
} else
|
6022 |
fprintf(stderr, "Could not acquire pid file\n");
|
6023 |
exit(1);
|
6024 |
} |
6025 |
|
6026 |
#ifdef USE_KQEMU
|
6027 |
if (smp_cpus > 1) |
6028 |
kqemu_allowed = 0;
|
6029 |
#endif
|
6030 |
linux_boot = (kernel_filename != NULL);
|
6031 |
net_boot = (boot_devices_bitmap >> ('n' - 'a')) & 0xF; |
6032 |
|
6033 |
if (!linux_boot && net_boot == 0 && |
6034 |
!machine->nodisk_ok && nb_drives_opt == 0)
|
6035 |
help(1);
|
6036 |
|
6037 |
if (!linux_boot && *kernel_cmdline != '\0') { |
6038 |
fprintf(stderr, "-append only allowed with -kernel option\n");
|
6039 |
exit(1);
|
6040 |
} |
6041 |
|
6042 |
if (!linux_boot && initrd_filename != NULL) { |
6043 |
fprintf(stderr, "-initrd only allowed with -kernel option\n");
|
6044 |
exit(1);
|
6045 |
} |
6046 |
|
6047 |
/* boot to floppy or the default cd if no hard disk defined yet */
|
6048 |
if (!boot_devices[0]) { |
6049 |
boot_devices = "cad";
|
6050 |
} |
6051 |
setvbuf(stdout, NULL, _IOLBF, 0); |
6052 |
|
6053 |
init_timers(); |
6054 |
init_timer_alarm(); |
6055 |
if (use_icount && icount_time_shift < 0) { |
6056 |
use_icount = 2;
|
6057 |
/* 125MIPS seems a reasonable initial guess at the guest speed.
|
6058 |
It will be corrected fairly quickly anyway. */
|
6059 |
icount_time_shift = 3;
|
6060 |
init_icount_adjust(); |
6061 |
} |
6062 |
|
6063 |
#ifdef _WIN32
|
6064 |
socket_init(); |
6065 |
#endif
|
6066 |
|
6067 |
/* init network clients */
|
6068 |
if (nb_net_clients == 0) { |
6069 |
/* if no clients, we use a default config */
|
6070 |
net_clients[nb_net_clients++] = "nic";
|
6071 |
#ifdef CONFIG_SLIRP
|
6072 |
net_clients[nb_net_clients++] = "user";
|
6073 |
#endif
|
6074 |
} |
6075 |
|
6076 |
for(i = 0;i < nb_net_clients; i++) { |
6077 |
if (net_client_parse(net_clients[i]) < 0) |
6078 |
exit(1);
|
6079 |
} |
6080 |
net_client_check(); |
6081 |
|
6082 |
#ifdef TARGET_I386
|
6083 |
/* XXX: this should be moved in the PC machine instantiation code */
|
6084 |
if (net_boot != 0) { |
6085 |
int netroms = 0; |
6086 |
for (i = 0; i < nb_nics && i < 4; i++) { |
6087 |
const char *model = nd_table[i].model; |
6088 |
char buf[1024]; |
6089 |
if (net_boot & (1 << i)) { |
6090 |
if (model == NULL) |
6091 |
model = "ne2k_pci";
|
6092 |
snprintf(buf, sizeof(buf), "%s/pxe-%s.bin", bios_dir, model); |
6093 |
if (get_image_size(buf) > 0) { |
6094 |
if (nb_option_roms >= MAX_OPTION_ROMS) {
|
6095 |
fprintf(stderr, "Too many option ROMs\n");
|
6096 |
exit(1);
|
6097 |
} |
6098 |
option_rom[nb_option_roms] = strdup(buf); |
6099 |
nb_option_roms++; |
6100 |
netroms++; |
6101 |
} |
6102 |
} |
6103 |
} |
6104 |
if (netroms == 0) { |
6105 |
fprintf(stderr, "No valid PXE rom found for network device\n");
|
6106 |
exit(1);
|
6107 |
} |
6108 |
} |
6109 |
#endif
|
6110 |
|
6111 |
/* init the memory */
|
6112 |
phys_ram_size = machine->ram_require & ~RAMSIZE_FIXED; |
6113 |
|
6114 |
if (machine->ram_require & RAMSIZE_FIXED) {
|
6115 |
if (ram_size > 0) { |
6116 |
if (ram_size < phys_ram_size) {
|
6117 |
fprintf(stderr, "Machine `%s' requires %llu bytes of memory\n",
|
6118 |
machine->name, (unsigned long long) phys_ram_size); |
6119 |
exit(-1);
|
6120 |
} |
6121 |
|
6122 |
phys_ram_size = ram_size; |
6123 |
} else
|
6124 |
ram_size = phys_ram_size; |
6125 |
} else {
|
6126 |
if (ram_size == 0) |
6127 |
ram_size = DEFAULT_RAM_SIZE * 1024 * 1024; |
6128 |
|
6129 |
phys_ram_size += ram_size; |
6130 |
} |
6131 |
|
6132 |
phys_ram_base = qemu_vmalloc(phys_ram_size); |
6133 |
if (!phys_ram_base) {
|
6134 |
fprintf(stderr, "Could not allocate physical memory\n");
|
6135 |
exit(1);
|
6136 |
} |
6137 |
|
6138 |
/* init the dynamic translator */
|
6139 |
cpu_exec_init_all(tb_size * 1024 * 1024); |
6140 |
|
6141 |
bdrv_init(); |
6142 |
|
6143 |
/* we always create the cdrom drive, even if no disk is there */
|
6144 |
|
6145 |
if (nb_drives_opt < MAX_DRIVES)
|
6146 |
drive_add(NULL, CDROM_ALIAS);
|
6147 |
|
6148 |
/* we always create at least one floppy */
|
6149 |
|
6150 |
if (nb_drives_opt < MAX_DRIVES)
|
6151 |
drive_add(NULL, FD_ALIAS, 0); |
6152 |
|
6153 |
/* we always create one sd slot, even if no card is in it */
|
6154 |
|
6155 |
if (nb_drives_opt < MAX_DRIVES)
|
6156 |
drive_add(NULL, SD_ALIAS);
|
6157 |
|
6158 |
/* open the virtual block devices */
|
6159 |
|
6160 |
for(i = 0; i < nb_drives_opt; i++) |
6161 |
if (drive_init(&drives_opt[i], snapshot, machine) == -1) |
6162 |
exit(1);
|
6163 |
|
6164 |
register_savevm("timer", 0, 2, timer_save, timer_load, NULL); |
6165 |
register_savevm_live("ram", 0, 3, ram_save_live, NULL, ram_load, NULL); |
6166 |
|
6167 |
/* terminal init */
|
6168 |
memset(&display_state, 0, sizeof(display_state)); |
6169 |
if (nographic) {
|
6170 |
if (curses) {
|
6171 |
fprintf(stderr, "fatal: -nographic can't be used with -curses\n");
|
6172 |
exit(1);
|
6173 |
} |
6174 |
/* nearly nothing to do */
|
6175 |
dumb_display_init(ds); |
6176 |
} else if (vnc_display != NULL) { |
6177 |
vnc_display_init(ds); |
6178 |
if (vnc_display_open(ds, vnc_display) < 0) |
6179 |
exit(1);
|
6180 |
} else
|
6181 |
#if defined(CONFIG_CURSES)
|
6182 |
if (curses) {
|
6183 |
curses_display_init(ds, full_screen); |
6184 |
} else
|
6185 |
#endif
|
6186 |
{ |
6187 |
#if defined(CONFIG_SDL)
|
6188 |
sdl_display_init(ds, full_screen, no_frame); |
6189 |
#elif defined(CONFIG_COCOA)
|
6190 |
cocoa_display_init(ds, full_screen); |
6191 |
#else
|
6192 |
dumb_display_init(ds); |
6193 |
#endif
|
6194 |
} |
6195 |
|
6196 |
#ifndef _WIN32
|
6197 |
/* must be after terminal init, SDL library changes signal handlers */
|
6198 |
termsig_setup(); |
6199 |
#endif
|
6200 |
|
6201 |
/* Maintain compatibility with multiple stdio monitors */
|
6202 |
if (!strcmp(monitor_device,"stdio")) { |
6203 |
for (i = 0; i < MAX_SERIAL_PORTS; i++) { |
6204 |
const char *devname = serial_devices[i]; |
6205 |
if (devname && !strcmp(devname,"mon:stdio")) { |
6206 |
monitor_device = NULL;
|
6207 |
break;
|
6208 |
} else if (devname && !strcmp(devname,"stdio")) { |
6209 |
monitor_device = NULL;
|
6210 |
serial_devices[i] = "mon:stdio";
|
6211 |
break;
|
6212 |
} |
6213 |
} |
6214 |
} |
6215 |
if (monitor_device) {
|
6216 |
monitor_hd = qemu_chr_open("monitor", monitor_device);
|
6217 |
if (!monitor_hd) {
|
6218 |
fprintf(stderr, "qemu: could not open monitor device '%s'\n", monitor_device);
|
6219 |
exit(1);
|
6220 |
} |
6221 |
monitor_init(monitor_hd, !nographic); |
6222 |
} |
6223 |
|
6224 |
for(i = 0; i < MAX_SERIAL_PORTS; i++) { |
6225 |
const char *devname = serial_devices[i]; |
6226 |
if (devname && strcmp(devname, "none")) { |
6227 |
char label[32]; |
6228 |
snprintf(label, sizeof(label), "serial%d", i); |
6229 |
serial_hds[i] = qemu_chr_open(label, devname); |
6230 |
if (!serial_hds[i]) {
|
6231 |
fprintf(stderr, "qemu: could not open serial device '%s'\n",
|
6232 |
devname); |
6233 |
exit(1);
|
6234 |
} |
6235 |
if (strstart(devname, "vc", 0)) |
6236 |
qemu_chr_printf(serial_hds[i], "serial%d console\r\n", i);
|
6237 |
} |
6238 |
} |
6239 |
|
6240 |
for(i = 0; i < MAX_PARALLEL_PORTS; i++) { |
6241 |
const char *devname = parallel_devices[i]; |
6242 |
if (devname && strcmp(devname, "none")) { |
6243 |
char label[32]; |
6244 |
snprintf(label, sizeof(label), "parallel%d", i); |
6245 |
parallel_hds[i] = qemu_chr_open(label, devname); |
6246 |
if (!parallel_hds[i]) {
|
6247 |
fprintf(stderr, "qemu: could not open parallel device '%s'\n",
|
6248 |
devname); |
6249 |
exit(1);
|
6250 |
} |
6251 |
if (strstart(devname, "vc", 0)) |
6252 |
qemu_chr_printf(parallel_hds[i], "parallel%d console\r\n", i);
|
6253 |
} |
6254 |
} |
6255 |
|
6256 |
if (kvm_enabled()) {
|
6257 |
int ret;
|
6258 |
|
6259 |
ret = kvm_init(smp_cpus); |
6260 |
if (ret < 0) { |
6261 |
fprintf(stderr, "failed to initialize KVM\n");
|
6262 |
exit(1);
|
6263 |
} |
6264 |
} |
6265 |
|
6266 |
machine->init(ram_size, vga_ram_size, boot_devices, ds, |
6267 |
kernel_filename, kernel_cmdline, initrd_filename, cpu_model); |
6268 |
|
6269 |
/* init USB devices */
|
6270 |
if (usb_enabled) {
|
6271 |
for(i = 0; i < usb_devices_index; i++) { |
6272 |
if (usb_device_add(usb_devices[i]) < 0) { |
6273 |
fprintf(stderr, "Warning: could not add USB device %s\n",
|
6274 |
usb_devices[i]); |
6275 |
} |
6276 |
} |
6277 |
} |
6278 |
|
6279 |
if (display_state.dpy_refresh) {
|
6280 |
display_state.gui_timer = qemu_new_timer(rt_clock, gui_update, &display_state); |
6281 |
qemu_mod_timer(display_state.gui_timer, qemu_get_clock(rt_clock)); |
6282 |
} |
6283 |
|
6284 |
#ifdef CONFIG_GDBSTUB
|
6285 |
if (use_gdbstub) {
|
6286 |
/* XXX: use standard host:port notation and modify options
|
6287 |
accordingly. */
|
6288 |
if (gdbserver_start(gdbstub_port) < 0) { |
6289 |
fprintf(stderr, "qemu: could not open gdbstub device on port '%s'\n",
|
6290 |
gdbstub_port); |
6291 |
exit(1);
|
6292 |
} |
6293 |
} |
6294 |
#endif
|
6295 |
|
6296 |
if (loadvm)
|
6297 |
do_loadvm(loadvm); |
6298 |
|
6299 |
if (incoming) {
|
6300 |
autostart = 0; /* fixme how to deal with -daemonize */ |
6301 |
qemu_start_incoming_migration(incoming); |
6302 |
} |
6303 |
|
6304 |
{ |
6305 |
/* XXX: simplify init */
|
6306 |
read_passwords(); |
6307 |
if (autostart) {
|
6308 |
vm_start(); |
6309 |
} |
6310 |
} |
6311 |
|
6312 |
if (daemonize) {
|
6313 |
uint8_t status = 0;
|
6314 |
ssize_t len; |
6315 |
int fd;
|
6316 |
|
6317 |
again1:
|
6318 |
len = write(fds[1], &status, 1); |
6319 |
if (len == -1 && (errno == EINTR)) |
6320 |
goto again1;
|
6321 |
|
6322 |
if (len != 1) |
6323 |
exit(1);
|
6324 |
|
6325 |
chdir("/");
|
6326 |
TFR(fd = open("/dev/null", O_RDWR));
|
6327 |
if (fd == -1) |
6328 |
exit(1);
|
6329 |
|
6330 |
dup2(fd, 0);
|
6331 |
dup2(fd, 1);
|
6332 |
dup2(fd, 2);
|
6333 |
|
6334 |
close(fd); |
6335 |
} |
6336 |
|
6337 |
main_loop(); |
6338 |
quit_timers(); |
6339 |
net_cleanup(); |
6340 |
|
6341 |
return 0; |
6342 |
} |