mirror of
https://gitlab.com/qemu-project/qemu
synced 2024-11-02 21:32:52 +00:00
3900 lines
109 KiB
C
3900 lines
109 KiB
C
/*
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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 <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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#include "bitmap.h"
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/* Needed early for CONFIG_BSD etc. */
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#include "config-host.h"
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#ifndef _WIN32
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#include <libgen.h>
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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/resource.h>
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#include <sys/socket.h>
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#include <netinet/in.h>
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#include <net/if.h>
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#include <arpa/inet.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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#ifdef CONFIG_BSD
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#include <sys/stat.h>
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#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__)
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#include <sys/sysctl.h>
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#else
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#include <util.h>
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#endif
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#else
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#ifdef __linux__
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#include <malloc.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 CONFIG_SECCOMP
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#include "qemu-seccomp.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_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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#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 <windows.h>
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#endif
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#ifdef CONFIG_SDL
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#if defined(__APPLE__) || defined(main)
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#include <SDL.h>
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int qemu_main(int argc, char **argv, char **envp);
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int main(int argc, char **argv)
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{
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return qemu_main(argc, argv, NULL);
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}
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#undef main
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#define main qemu_main
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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 <glib.h>
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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/isa.h"
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#include "hw/baum.h"
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#include "hw/bt.h"
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#include "hw/watchdog.h"
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#include "hw/smbios.h"
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#include "hw/xen.h"
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#include "hw/qdev.h"
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#include "hw/loader.h"
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#include "bt-host.h"
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#include "net.h"
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#include "net/slirp.h"
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#include "monitor.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 "cache-utils.h"
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#include "blockdev.h"
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#include "hw/block-common.h"
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#include "block-migration.h"
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#include "dma.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 "qjson.h"
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#include "qemu-option.h"
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#include "qemu-config.h"
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#include "qemu-options.h"
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#include "qmp-commands.h"
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#include "main-loop.h"
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#ifdef CONFIG_VIRTFS
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#include "fsdev/qemu-fsdev.h"
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#endif
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#include "qtest.h"
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#include "disas.h"
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#include "qemu_socket.h"
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#include "slirp/libslirp.h"
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#include "trace.h"
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#include "trace/control.h"
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#include "qemu-queue.h"
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#include "cpus.h"
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#include "arch_init.h"
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#include "osdep.h"
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#include "ui/qemu-spice.h"
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//#define DEBUG_NET
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//#define DEBUG_SLIRP
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#define DEFAULT_RAM_SIZE 128
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#define MAX_VIRTIO_CONSOLES 1
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static const char *data_dir;
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const char *bios_name = NULL;
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enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
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DisplayType display_type = DT_DEFAULT;
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int display_remote = 0;
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const char* keyboard_layout = NULL;
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ram_addr_t ram_size;
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const char *mem_path = NULL;
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#ifdef MAP_POPULATE
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int mem_prealloc = 0; /* force preallocation of physical target memory */
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#endif
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int nb_nics;
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NICInfo nd_table[MAX_NICS];
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int autostart;
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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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QEMUClock *rtc_clock;
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int vga_interface_type = VGA_NONE;
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static int full_screen = 0;
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#ifdef CONFIG_SDL
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static int no_frame = 0;
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#endif
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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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CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
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int win2k_install_hack = 0;
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int singlestep = 0;
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int smp_cpus = 1;
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int max_cpus = 0;
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int smp_cores = 1;
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int smp_threads = 1;
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#ifdef CONFIG_VNC
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const char *vnc_display;
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#endif
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int acpi_enabled = 1;
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int no_hpet = 0;
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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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const char *watchdog;
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QEMUOptionRom option_rom[MAX_OPTION_ROMS];
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int nb_option_roms;
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int semihosting_enabled = 0;
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int old_param = 0;
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const char *qemu_name;
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int alt_grab = 0;
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int ctrl_grab = 0;
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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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int boot_menu;
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uint8_t *boot_splash_filedata;
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int boot_splash_filedata_size;
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uint8_t qemu_extra_params_fw[2];
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typedef struct FWBootEntry FWBootEntry;
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struct FWBootEntry {
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QTAILQ_ENTRY(FWBootEntry) link;
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int32_t bootindex;
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DeviceState *dev;
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char *suffix;
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};
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QTAILQ_HEAD(, FWBootEntry) fw_boot_order = QTAILQ_HEAD_INITIALIZER(fw_boot_order);
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int nb_numa_nodes;
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uint64_t node_mem[MAX_NODES];
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unsigned long *node_cpumask[MAX_NODES];
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uint8_t qemu_uuid[16];
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static QEMUBootSetHandler *boot_set_handler;
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static void *boot_set_opaque;
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static NotifierList exit_notifiers =
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NOTIFIER_LIST_INITIALIZER(exit_notifiers);
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static NotifierList machine_init_done_notifiers =
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NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
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static int tcg_allowed = 1;
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int kvm_allowed = 0;
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int xen_allowed = 0;
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uint32_t xen_domid;
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enum xen_mode xen_mode = XEN_EMULATE;
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static int tcg_tb_size;
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static int default_serial = 1;
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static int default_parallel = 1;
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static int default_virtcon = 1;
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static int default_monitor = 1;
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static int default_floppy = 1;
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static int default_cdrom = 1;
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static int default_sdcard = 1;
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static int default_vga = 1;
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static struct {
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const char *driver;
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int *flag;
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} default_list[] = {
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{ .driver = "isa-serial", .flag = &default_serial },
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{ .driver = "isa-parallel", .flag = &default_parallel },
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{ .driver = "isa-fdc", .flag = &default_floppy },
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{ .driver = "ide-cd", .flag = &default_cdrom },
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{ .driver = "ide-hd", .flag = &default_cdrom },
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{ .driver = "ide-drive", .flag = &default_cdrom },
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{ .driver = "scsi-cd", .flag = &default_cdrom },
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{ .driver = "virtio-serial-pci", .flag = &default_virtcon },
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{ .driver = "virtio-serial-s390", .flag = &default_virtcon },
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{ .driver = "virtio-serial", .flag = &default_virtcon },
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{ .driver = "VGA", .flag = &default_vga },
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{ .driver = "isa-vga", .flag = &default_vga },
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{ .driver = "cirrus-vga", .flag = &default_vga },
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{ .driver = "isa-cirrus-vga", .flag = &default_vga },
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{ .driver = "vmware-svga", .flag = &default_vga },
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{ .driver = "qxl-vga", .flag = &default_vga },
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};
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const char *qemu_get_vm_name(void)
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{
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return qemu_name;
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}
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static void res_free(void)
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{
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if (boot_splash_filedata != NULL) {
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g_free(boot_splash_filedata);
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boot_splash_filedata = NULL;
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}
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}
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static int default_driver_check(QemuOpts *opts, void *opaque)
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{
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const char *driver = qemu_opt_get(opts, "driver");
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int i;
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if (!driver)
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return 0;
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for (i = 0; i < ARRAY_SIZE(default_list); i++) {
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if (strcmp(default_list[i].driver, driver) != 0)
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continue;
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*(default_list[i].flag) = 0;
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}
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return 0;
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}
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/***********************************************************/
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/* QEMU state */
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static RunState current_run_state = RUN_STATE_PRELAUNCH;
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typedef struct {
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RunState from;
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RunState to;
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} RunStateTransition;
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static const RunStateTransition runstate_transitions_def[] = {
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/* from -> to */
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{ RUN_STATE_DEBUG, RUN_STATE_RUNNING },
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{ RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
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{ RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
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{ RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
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{ RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
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{ RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
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{ RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
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{ RUN_STATE_PAUSED, RUN_STATE_RUNNING },
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{ RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
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{ RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
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{ RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
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{ RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
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{ RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
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{ RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
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{ RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
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{ RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
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{ RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
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{ RUN_STATE_RUNNING, RUN_STATE_DEBUG },
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{ RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
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{ RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
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{ RUN_STATE_RUNNING, RUN_STATE_PAUSED },
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{ RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
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{ RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
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{ RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
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{ RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
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{ RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
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{ RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
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{ RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
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{ RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
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{ RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
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{ RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
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{ RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
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{ RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
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{ RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
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{ RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
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{ RUN_STATE_MAX, RUN_STATE_MAX },
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};
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static bool runstate_valid_transitions[RUN_STATE_MAX][RUN_STATE_MAX];
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bool runstate_check(RunState state)
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{
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return current_run_state == state;
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}
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void runstate_init(void)
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{
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const RunStateTransition *p;
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memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
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for (p = &runstate_transitions_def[0]; p->from != RUN_STATE_MAX; p++) {
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runstate_valid_transitions[p->from][p->to] = true;
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}
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}
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/* This function will abort() on invalid state transitions */
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void runstate_set(RunState new_state)
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{
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assert(new_state < RUN_STATE_MAX);
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if (!runstate_valid_transitions[current_run_state][new_state]) {
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fprintf(stderr, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
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RunState_lookup[current_run_state],
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RunState_lookup[new_state]);
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abort();
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}
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current_run_state = new_state;
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}
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int runstate_is_running(void)
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{
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return runstate_check(RUN_STATE_RUNNING);
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}
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StatusInfo *qmp_query_status(Error **errp)
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{
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StatusInfo *info = g_malloc0(sizeof(*info));
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info->running = runstate_is_running();
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info->singlestep = singlestep;
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info->status = current_run_state;
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return info;
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}
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/***********************************************************/
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/* real time host monotonic timer */
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/***********************************************************/
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/* host time/date access */
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void qemu_get_timedate(struct tm *tm, int offset)
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{
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time_t ti;
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struct tm *ret;
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time(&ti);
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ti += offset;
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if (rtc_date_offset == -1) {
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if (rtc_utc)
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ret = gmtime(&ti);
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else
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ret = localtime(&ti);
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} else {
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ti -= rtc_date_offset;
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ret = gmtime(&ti);
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}
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memcpy(tm, ret, sizeof(struct tm));
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}
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int qemu_timedate_diff(struct tm *tm)
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{
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time_t seconds;
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if (rtc_date_offset == -1)
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if (rtc_utc)
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seconds = mktimegm(tm);
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else {
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struct tm tmp = *tm;
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tmp.tm_isdst = -1; /* use timezone to figure it out */
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seconds = mktime(&tmp);
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}
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else
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seconds = mktimegm(tm) + rtc_date_offset;
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return seconds - time(NULL);
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}
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void rtc_change_mon_event(struct tm *tm)
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{
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QObject *data;
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data = qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm));
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monitor_protocol_event(QEVENT_RTC_CHANGE, data);
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qobject_decref(data);
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}
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static void configure_rtc_date_offset(const char *startdate, int legacy)
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{
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time_t rtc_start_date;
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struct tm tm;
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if (!strcmp(startdate, "now") && legacy) {
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rtc_date_offset = -1;
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} else {
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if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
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&tm.tm_year,
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&tm.tm_mon,
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&tm.tm_mday,
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&tm.tm_hour,
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|
&tm.tm_min,
|
|
&tm.tm_sec) == 6) {
|
|
/* OK */
|
|
} else if (sscanf(startdate, "%d-%d-%d",
|
|
&tm.tm_year,
|
|
&tm.tm_mon,
|
|
&tm.tm_mday) == 3) {
|
|
tm.tm_hour = 0;
|
|
tm.tm_min = 0;
|
|
tm.tm_sec = 0;
|
|
} else {
|
|
goto date_fail;
|
|
}
|
|
tm.tm_year -= 1900;
|
|
tm.tm_mon--;
|
|
rtc_start_date = mktimegm(&tm);
|
|
if (rtc_start_date == -1) {
|
|
date_fail:
|
|
fprintf(stderr, "Invalid date format. Valid formats are:\n"
|
|
"'2006-06-17T16:01:21' or '2006-06-17'\n");
|
|
exit(1);
|
|
}
|
|
rtc_date_offset = time(NULL) - rtc_start_date;
|
|
}
|
|
}
|
|
|
|
static void configure_rtc(QemuOpts *opts)
|
|
{
|
|
const char *value;
|
|
|
|
value = qemu_opt_get(opts, "base");
|
|
if (value) {
|
|
if (!strcmp(value, "utc")) {
|
|
rtc_utc = 1;
|
|
} else if (!strcmp(value, "localtime")) {
|
|
rtc_utc = 0;
|
|
} else {
|
|
configure_rtc_date_offset(value, 0);
|
|
}
|
|
}
|
|
value = qemu_opt_get(opts, "clock");
|
|
if (value) {
|
|
if (!strcmp(value, "host")) {
|
|
rtc_clock = host_clock;
|
|
} else if (!strcmp(value, "rt")) {
|
|
rtc_clock = rt_clock;
|
|
} else if (!strcmp(value, "vm")) {
|
|
rtc_clock = vm_clock;
|
|
} else {
|
|
fprintf(stderr, "qemu: invalid option value '%s'\n", value);
|
|
exit(1);
|
|
}
|
|
}
|
|
value = qemu_opt_get(opts, "driftfix");
|
|
if (value) {
|
|
if (!strcmp(value, "slew")) {
|
|
static GlobalProperty slew_lost_ticks[] = {
|
|
{
|
|
.driver = "mc146818rtc",
|
|
.property = "lost_tick_policy",
|
|
.value = "slew",
|
|
},
|
|
{ /* end of list */ }
|
|
};
|
|
|
|
qdev_prop_register_global_list(slew_lost_ticks);
|
|
} else if (!strcmp(value, "none")) {
|
|
/* discard is default */
|
|
} else {
|
|
fprintf(stderr, "qemu: invalid option value '%s'\n", value);
|
|
exit(1);
|
|
}
|
|
}
|
|
}
|
|
|
|
/***********************************************************/
|
|
/* Bluetooth support */
|
|
static int nb_hcis;
|
|
static int cur_hci;
|
|
static struct HCIInfo *hci_table[MAX_NICS];
|
|
|
|
static struct bt_vlan_s {
|
|
struct bt_scatternet_s net;
|
|
int id;
|
|
struct bt_vlan_s *next;
|
|
} *first_bt_vlan;
|
|
|
|
/* find or alloc a new bluetooth "VLAN" */
|
|
static struct bt_scatternet_s *qemu_find_bt_vlan(int id)
|
|
{
|
|
struct bt_vlan_s **pvlan, *vlan;
|
|
for (vlan = first_bt_vlan; vlan != NULL; vlan = vlan->next) {
|
|
if (vlan->id == id)
|
|
return &vlan->net;
|
|
}
|
|
vlan = g_malloc0(sizeof(struct bt_vlan_s));
|
|
vlan->id = id;
|
|
pvlan = &first_bt_vlan;
|
|
while (*pvlan != NULL)
|
|
pvlan = &(*pvlan)->next;
|
|
*pvlan = vlan;
|
|
return &vlan->net;
|
|
}
|
|
|
|
static void null_hci_send(struct HCIInfo *hci, const uint8_t *data, int len)
|
|
{
|
|
}
|
|
|
|
static int null_hci_addr_set(struct HCIInfo *hci, const uint8_t *bd_addr)
|
|
{
|
|
return -ENOTSUP;
|
|
}
|
|
|
|
static struct HCIInfo null_hci = {
|
|
.cmd_send = null_hci_send,
|
|
.sco_send = null_hci_send,
|
|
.acl_send = null_hci_send,
|
|
.bdaddr_set = null_hci_addr_set,
|
|
};
|
|
|
|
struct HCIInfo *qemu_next_hci(void)
|
|
{
|
|
if (cur_hci == nb_hcis)
|
|
return &null_hci;
|
|
|
|
return hci_table[cur_hci++];
|
|
}
|
|
|
|
static struct HCIInfo *hci_init(const char *str)
|
|
{
|
|
char *endp;
|
|
struct bt_scatternet_s *vlan = 0;
|
|
|
|
if (!strcmp(str, "null"))
|
|
/* null */
|
|
return &null_hci;
|
|
else if (!strncmp(str, "host", 4) && (str[4] == '\0' || str[4] == ':'))
|
|
/* host[:hciN] */
|
|
return bt_host_hci(str[4] ? str + 5 : "hci0");
|
|
else if (!strncmp(str, "hci", 3)) {
|
|
/* hci[,vlan=n] */
|
|
if (str[3]) {
|
|
if (!strncmp(str + 3, ",vlan=", 6)) {
|
|
vlan = qemu_find_bt_vlan(strtol(str + 9, &endp, 0));
|
|
if (*endp)
|
|
vlan = 0;
|
|
}
|
|
} else
|
|
vlan = qemu_find_bt_vlan(0);
|
|
if (vlan)
|
|
return bt_new_hci(vlan);
|
|
}
|
|
|
|
fprintf(stderr, "qemu: Unknown bluetooth HCI `%s'.\n", str);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int bt_hci_parse(const char *str)
|
|
{
|
|
struct HCIInfo *hci;
|
|
bdaddr_t bdaddr;
|
|
|
|
if (nb_hcis >= MAX_NICS) {
|
|
fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
|
|
return -1;
|
|
}
|
|
|
|
hci = hci_init(str);
|
|
if (!hci)
|
|
return -1;
|
|
|
|
bdaddr.b[0] = 0x52;
|
|
bdaddr.b[1] = 0x54;
|
|
bdaddr.b[2] = 0x00;
|
|
bdaddr.b[3] = 0x12;
|
|
bdaddr.b[4] = 0x34;
|
|
bdaddr.b[5] = 0x56 + nb_hcis;
|
|
hci->bdaddr_set(hci, bdaddr.b);
|
|
|
|
hci_table[nb_hcis++] = hci;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void bt_vhci_add(int vlan_id)
|
|
{
|
|
struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
|
|
|
|
if (!vlan->slave)
|
|
fprintf(stderr, "qemu: warning: adding a VHCI to "
|
|
"an empty scatternet %i\n", vlan_id);
|
|
|
|
bt_vhci_init(bt_new_hci(vlan));
|
|
}
|
|
|
|
static struct bt_device_s *bt_device_add(const char *opt)
|
|
{
|
|
struct bt_scatternet_s *vlan;
|
|
int vlan_id = 0;
|
|
char *endp = strstr(opt, ",vlan=");
|
|
int len = (endp ? endp - opt : strlen(opt)) + 1;
|
|
char devname[10];
|
|
|
|
pstrcpy(devname, MIN(sizeof(devname), len), opt);
|
|
|
|
if (endp) {
|
|
vlan_id = strtol(endp + 6, &endp, 0);
|
|
if (*endp) {
|
|
fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
vlan = qemu_find_bt_vlan(vlan_id);
|
|
|
|
if (!vlan->slave)
|
|
fprintf(stderr, "qemu: warning: adding a slave device to "
|
|
"an empty scatternet %i\n", vlan_id);
|
|
|
|
if (!strcmp(devname, "keyboard"))
|
|
return bt_keyboard_init(vlan);
|
|
|
|
fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
|
|
return 0;
|
|
}
|
|
|
|
static int bt_parse(const char *opt)
|
|
{
|
|
const char *endp, *p;
|
|
int vlan;
|
|
|
|
if (strstart(opt, "hci", &endp)) {
|
|
if (!*endp || *endp == ',') {
|
|
if (*endp)
|
|
if (!strstart(endp, ",vlan=", 0))
|
|
opt = endp + 1;
|
|
|
|
return bt_hci_parse(opt);
|
|
}
|
|
} else if (strstart(opt, "vhci", &endp)) {
|
|
if (!*endp || *endp == ',') {
|
|
if (*endp) {
|
|
if (strstart(endp, ",vlan=", &p)) {
|
|
vlan = strtol(p, (char **) &endp, 0);
|
|
if (*endp) {
|
|
fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
|
|
return 1;
|
|
}
|
|
} else {
|
|
fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
|
|
return 1;
|
|
}
|
|
} else
|
|
vlan = 0;
|
|
|
|
bt_vhci_add(vlan);
|
|
return 0;
|
|
}
|
|
} else if (strstart(opt, "device:", &endp))
|
|
return !bt_device_add(endp);
|
|
|
|
fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
|
|
return 1;
|
|
}
|
|
|
|
static int parse_sandbox(QemuOpts *opts, void *opaque)
|
|
{
|
|
/* FIXME: change this to true for 1.3 */
|
|
if (qemu_opt_get_bool(opts, "enable", false)) {
|
|
#ifdef CONFIG_SECCOMP
|
|
if (seccomp_start() < 0) {
|
|
qerror_report(ERROR_CLASS_GENERIC_ERROR,
|
|
"failed to install seccomp syscall filter in the kernel");
|
|
return -1;
|
|
}
|
|
#else
|
|
qerror_report(ERROR_CLASS_GENERIC_ERROR,
|
|
"sandboxing request but seccomp is not compiled into this build");
|
|
return -1;
|
|
#endif
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*********QEMU USB setting******/
|
|
bool usb_enabled(bool default_usb)
|
|
{
|
|
QemuOpts *mach_opts;
|
|
mach_opts = qemu_opts_find(qemu_find_opts("machine"), 0);
|
|
if (mach_opts) {
|
|
return qemu_opt_get_bool(mach_opts, "usb", default_usb);
|
|
}
|
|
return default_usb;
|
|
}
|
|
|
|
#ifndef _WIN32
|
|
static int parse_add_fd(QemuOpts *opts, void *opaque)
|
|
{
|
|
int fd, dupfd, flags;
|
|
int64_t fdset_id;
|
|
const char *fd_opaque = NULL;
|
|
|
|
fd = qemu_opt_get_number(opts, "fd", -1);
|
|
fdset_id = qemu_opt_get_number(opts, "set", -1);
|
|
fd_opaque = qemu_opt_get(opts, "opaque");
|
|
|
|
if (fd < 0) {
|
|
qerror_report(ERROR_CLASS_GENERIC_ERROR,
|
|
"fd option is required and must be non-negative");
|
|
return -1;
|
|
}
|
|
|
|
if (fd <= STDERR_FILENO) {
|
|
qerror_report(ERROR_CLASS_GENERIC_ERROR,
|
|
"fd cannot be a standard I/O stream");
|
|
return -1;
|
|
}
|
|
|
|
/*
|
|
* All fds inherited across exec() necessarily have FD_CLOEXEC
|
|
* clear, while qemu sets FD_CLOEXEC on all other fds used internally.
|
|
*/
|
|
flags = fcntl(fd, F_GETFD);
|
|
if (flags == -1 || (flags & FD_CLOEXEC)) {
|
|
qerror_report(ERROR_CLASS_GENERIC_ERROR,
|
|
"fd is not valid or already in use");
|
|
return -1;
|
|
}
|
|
|
|
if (fdset_id < 0) {
|
|
qerror_report(ERROR_CLASS_GENERIC_ERROR,
|
|
"set option is required and must be non-negative");
|
|
return -1;
|
|
}
|
|
|
|
#ifdef F_DUPFD_CLOEXEC
|
|
dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
|
|
#else
|
|
dupfd = dup(fd);
|
|
if (dupfd != -1) {
|
|
qemu_set_cloexec(dupfd);
|
|
}
|
|
#endif
|
|
if (dupfd == -1) {
|
|
qerror_report(ERROR_CLASS_GENERIC_ERROR,
|
|
"Error duplicating fd: %s", strerror(errno));
|
|
return -1;
|
|
}
|
|
|
|
/* add the duplicate fd, and optionally the opaque string, to the fd set */
|
|
monitor_fdset_add_fd(dupfd, true, fdset_id, fd_opaque ? true : false,
|
|
fd_opaque, NULL);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int cleanup_add_fd(QemuOpts *opts, void *opaque)
|
|
{
|
|
int fd;
|
|
|
|
fd = qemu_opt_get_number(opts, "fd", -1);
|
|
close(fd);
|
|
|
|
return 0;
|
|
}
|
|
#endif
|
|
|
|
/***********************************************************/
|
|
/* QEMU Block devices */
|
|
|
|
#define HD_OPTS "media=disk"
|
|
#define CDROM_OPTS "media=cdrom"
|
|
#define FD_OPTS ""
|
|
#define PFLASH_OPTS ""
|
|
#define MTD_OPTS ""
|
|
#define SD_OPTS ""
|
|
|
|
static int drive_init_func(QemuOpts *opts, void *opaque)
|
|
{
|
|
int *use_scsi = opaque;
|
|
|
|
return drive_init(opts, *use_scsi) == NULL;
|
|
}
|
|
|
|
static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
|
|
{
|
|
if (NULL == qemu_opt_get(opts, "snapshot")) {
|
|
qemu_opt_set(opts, "snapshot", "on");
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static void default_drive(int enable, int snapshot, int use_scsi,
|
|
BlockInterfaceType type, int index,
|
|
const char *optstr)
|
|
{
|
|
QemuOpts *opts;
|
|
|
|
if (type == IF_DEFAULT) {
|
|
type = use_scsi ? IF_SCSI : IF_IDE;
|
|
}
|
|
|
|
if (!enable || drive_get_by_index(type, index)) {
|
|
return;
|
|
}
|
|
|
|
opts = drive_add(type, index, NULL, optstr);
|
|
if (snapshot) {
|
|
drive_enable_snapshot(opts, NULL);
|
|
}
|
|
if (!drive_init(opts, use_scsi)) {
|
|
exit(1);
|
|
}
|
|
}
|
|
|
|
void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque)
|
|
{
|
|
boot_set_handler = func;
|
|
boot_set_opaque = opaque;
|
|
}
|
|
|
|
int qemu_boot_set(const char *boot_devices)
|
|
{
|
|
if (!boot_set_handler) {
|
|
return -EINVAL;
|
|
}
|
|
return boot_set_handler(boot_set_opaque, boot_devices);
|
|
}
|
|
|
|
static void validate_bootdevices(char *devices)
|
|
{
|
|
/* We just do some generic consistency checks */
|
|
const char *p;
|
|
int bitmap = 0;
|
|
|
|
for (p = devices; *p != '\0'; p++) {
|
|
/* Allowed boot devices are:
|
|
* a-b: floppy disk drives
|
|
* c-f: IDE disk drives
|
|
* g-m: machine implementation dependent drives
|
|
* n-p: network devices
|
|
* It's up to each machine implementation to check if the given boot
|
|
* devices match the actual hardware implementation and firmware
|
|
* features.
|
|
*/
|
|
if (*p < 'a' || *p > 'p') {
|
|
fprintf(stderr, "Invalid boot device '%c'\n", *p);
|
|
exit(1);
|
|
}
|
|
if (bitmap & (1 << (*p - 'a'))) {
|
|
fprintf(stderr, "Boot device '%c' was given twice\n", *p);
|
|
exit(1);
|
|
}
|
|
bitmap |= 1 << (*p - 'a');
|
|
}
|
|
}
|
|
|
|
static void restore_boot_devices(void *opaque)
|
|
{
|
|
char *standard_boot_devices = opaque;
|
|
static int first = 1;
|
|
|
|
/* Restore boot order and remove ourselves after the first boot */
|
|
if (first) {
|
|
first = 0;
|
|
return;
|
|
}
|
|
|
|
qemu_boot_set(standard_boot_devices);
|
|
|
|
qemu_unregister_reset(restore_boot_devices, standard_boot_devices);
|
|
g_free(standard_boot_devices);
|
|
}
|
|
|
|
void add_boot_device_path(int32_t bootindex, DeviceState *dev,
|
|
const char *suffix)
|
|
{
|
|
FWBootEntry *node, *i;
|
|
|
|
if (bootindex < 0) {
|
|
return;
|
|
}
|
|
|
|
assert(dev != NULL || suffix != NULL);
|
|
|
|
node = g_malloc0(sizeof(FWBootEntry));
|
|
node->bootindex = bootindex;
|
|
node->suffix = suffix ? g_strdup(suffix) : NULL;
|
|
node->dev = dev;
|
|
|
|
QTAILQ_FOREACH(i, &fw_boot_order, link) {
|
|
if (i->bootindex == bootindex) {
|
|
fprintf(stderr, "Two devices with same boot index %d\n", bootindex);
|
|
exit(1);
|
|
} else if (i->bootindex < bootindex) {
|
|
continue;
|
|
}
|
|
QTAILQ_INSERT_BEFORE(i, node, link);
|
|
return;
|
|
}
|
|
QTAILQ_INSERT_TAIL(&fw_boot_order, node, link);
|
|
}
|
|
|
|
/*
|
|
* This function returns null terminated string that consist of new line
|
|
* separated device paths.
|
|
*
|
|
* memory pointed by "size" is assigned total length of the array in bytes
|
|
*
|
|
*/
|
|
char *get_boot_devices_list(uint32_t *size)
|
|
{
|
|
FWBootEntry *i;
|
|
uint32_t total = 0;
|
|
char *list = NULL;
|
|
|
|
QTAILQ_FOREACH(i, &fw_boot_order, link) {
|
|
char *devpath = NULL, *bootpath;
|
|
int len;
|
|
|
|
if (i->dev) {
|
|
devpath = qdev_get_fw_dev_path(i->dev);
|
|
assert(devpath);
|
|
}
|
|
|
|
if (i->suffix && devpath) {
|
|
size_t bootpathlen = strlen(devpath) + strlen(i->suffix) + 1;
|
|
|
|
bootpath = g_malloc(bootpathlen);
|
|
snprintf(bootpath, bootpathlen, "%s%s", devpath, i->suffix);
|
|
g_free(devpath);
|
|
} else if (devpath) {
|
|
bootpath = devpath;
|
|
} else {
|
|
assert(i->suffix);
|
|
bootpath = g_strdup(i->suffix);
|
|
}
|
|
|
|
if (total) {
|
|
list[total-1] = '\n';
|
|
}
|
|
len = strlen(bootpath) + 1;
|
|
list = g_realloc(list, total + len);
|
|
memcpy(&list[total], bootpath, len);
|
|
total += len;
|
|
g_free(bootpath);
|
|
}
|
|
|
|
*size = total;
|
|
|
|
return list;
|
|
}
|
|
|
|
static void numa_add(const char *optarg)
|
|
{
|
|
char option[128];
|
|
char *endptr;
|
|
unsigned long long value, endvalue;
|
|
int nodenr;
|
|
|
|
value = endvalue = 0ULL;
|
|
|
|
optarg = get_opt_name(option, 128, optarg, ',') + 1;
|
|
if (!strcmp(option, "node")) {
|
|
if (get_param_value(option, 128, "nodeid", optarg) == 0) {
|
|
nodenr = nb_numa_nodes;
|
|
} else {
|
|
nodenr = strtoull(option, NULL, 10);
|
|
}
|
|
|
|
if (get_param_value(option, 128, "mem", optarg) == 0) {
|
|
node_mem[nodenr] = 0;
|
|
} else {
|
|
int64_t sval;
|
|
sval = strtosz(option, &endptr);
|
|
if (sval < 0 || *endptr) {
|
|
fprintf(stderr, "qemu: invalid numa mem size: %s\n", optarg);
|
|
exit(1);
|
|
}
|
|
node_mem[nodenr] = sval;
|
|
}
|
|
if (get_param_value(option, 128, "cpus", optarg) != 0) {
|
|
value = strtoull(option, &endptr, 10);
|
|
if (*endptr == '-') {
|
|
endvalue = strtoull(endptr+1, &endptr, 10);
|
|
} else {
|
|
endvalue = value;
|
|
}
|
|
|
|
if (!(endvalue < MAX_CPUMASK_BITS)) {
|
|
endvalue = MAX_CPUMASK_BITS - 1;
|
|
fprintf(stderr,
|
|
"A max of %d CPUs are supported in a guest\n",
|
|
MAX_CPUMASK_BITS);
|
|
}
|
|
|
|
bitmap_set(node_cpumask[nodenr], value, endvalue-value+1);
|
|
}
|
|
nb_numa_nodes++;
|
|
}
|
|
}
|
|
|
|
static void smp_parse(const char *optarg)
|
|
{
|
|
int smp, sockets = 0, threads = 0, cores = 0;
|
|
char *endptr;
|
|
char option[128];
|
|
|
|
smp = strtoul(optarg, &endptr, 10);
|
|
if (endptr != optarg) {
|
|
if (*endptr == ',') {
|
|
endptr++;
|
|
}
|
|
}
|
|
if (get_param_value(option, 128, "sockets", endptr) != 0)
|
|
sockets = strtoull(option, NULL, 10);
|
|
if (get_param_value(option, 128, "cores", endptr) != 0)
|
|
cores = strtoull(option, NULL, 10);
|
|
if (get_param_value(option, 128, "threads", endptr) != 0)
|
|
threads = strtoull(option, NULL, 10);
|
|
if (get_param_value(option, 128, "maxcpus", endptr) != 0)
|
|
max_cpus = strtoull(option, NULL, 10);
|
|
|
|
/* compute missing values, prefer sockets over cores over threads */
|
|
if (smp == 0 || sockets == 0) {
|
|
sockets = sockets > 0 ? sockets : 1;
|
|
cores = cores > 0 ? cores : 1;
|
|
threads = threads > 0 ? threads : 1;
|
|
if (smp == 0) {
|
|
smp = cores * threads * sockets;
|
|
}
|
|
} else {
|
|
if (cores == 0) {
|
|
threads = threads > 0 ? threads : 1;
|
|
cores = smp / (sockets * threads);
|
|
} else {
|
|
threads = smp / (cores * sockets);
|
|
}
|
|
}
|
|
smp_cpus = smp;
|
|
smp_cores = cores > 0 ? cores : 1;
|
|
smp_threads = threads > 0 ? threads : 1;
|
|
if (max_cpus == 0)
|
|
max_cpus = smp_cpus;
|
|
}
|
|
|
|
/***********************************************************/
|
|
/* USB devices */
|
|
|
|
static int usb_device_add(const char *devname)
|
|
{
|
|
const char *p;
|
|
USBDevice *dev = NULL;
|
|
|
|
if (!usb_enabled(false)) {
|
|
return -1;
|
|
}
|
|
|
|
/* drivers with .usbdevice_name entry in USBDeviceInfo */
|
|
dev = usbdevice_create(devname);
|
|
if (dev)
|
|
goto done;
|
|
|
|
/* the other ones */
|
|
#ifndef CONFIG_LINUX
|
|
/* only the linux version is qdev-ified, usb-bsd still needs this */
|
|
if (strstart(devname, "host:", &p)) {
|
|
dev = usb_host_device_open(usb_bus_find(-1), p);
|
|
} else
|
|
#endif
|
|
if (!strcmp(devname, "bt") || strstart(devname, "bt:", &p)) {
|
|
dev = usb_bt_init(usb_bus_find(-1),
|
|
devname[2] ? hci_init(p)
|
|
: bt_new_hci(qemu_find_bt_vlan(0)));
|
|
} else {
|
|
return -1;
|
|
}
|
|
if (!dev)
|
|
return -1;
|
|
|
|
done:
|
|
return 0;
|
|
}
|
|
|
|
static int usb_device_del(const char *devname)
|
|
{
|
|
int bus_num, addr;
|
|
const char *p;
|
|
|
|
if (strstart(devname, "host:", &p))
|
|
return usb_host_device_close(p);
|
|
|
|
if (!usb_enabled(false)) {
|
|
return -1;
|
|
}
|
|
|
|
p = strchr(devname, '.');
|
|
if (!p)
|
|
return -1;
|
|
bus_num = strtoul(devname, NULL, 0);
|
|
addr = strtoul(p + 1, NULL, 0);
|
|
|
|
return usb_device_delete_addr(bus_num, addr);
|
|
}
|
|
|
|
static int usb_parse(const char *cmdline)
|
|
{
|
|
int r;
|
|
r = usb_device_add(cmdline);
|
|
if (r < 0) {
|
|
fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
|
|
}
|
|
return r;
|
|
}
|
|
|
|
void do_usb_add(Monitor *mon, const QDict *qdict)
|
|
{
|
|
const char *devname = qdict_get_str(qdict, "devname");
|
|
if (usb_device_add(devname) < 0) {
|
|
error_report("could not add USB device '%s'", devname);
|
|
}
|
|
}
|
|
|
|
void do_usb_del(Monitor *mon, const QDict *qdict)
|
|
{
|
|
const char *devname = qdict_get_str(qdict, "devname");
|
|
if (usb_device_del(devname) < 0) {
|
|
error_report("could not delete USB device '%s'", devname);
|
|
}
|
|
}
|
|
|
|
/***********************************************************/
|
|
/* PCMCIA/Cardbus */
|
|
|
|
static struct pcmcia_socket_entry_s {
|
|
PCMCIASocket *socket;
|
|
struct pcmcia_socket_entry_s *next;
|
|
} *pcmcia_sockets = 0;
|
|
|
|
void pcmcia_socket_register(PCMCIASocket *socket)
|
|
{
|
|
struct pcmcia_socket_entry_s *entry;
|
|
|
|
entry = g_malloc(sizeof(struct pcmcia_socket_entry_s));
|
|
entry->socket = socket;
|
|
entry->next = pcmcia_sockets;
|
|
pcmcia_sockets = entry;
|
|
}
|
|
|
|
void pcmcia_socket_unregister(PCMCIASocket *socket)
|
|
{
|
|
struct pcmcia_socket_entry_s *entry, **ptr;
|
|
|
|
ptr = &pcmcia_sockets;
|
|
for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
|
|
if (entry->socket == socket) {
|
|
*ptr = entry->next;
|
|
g_free(entry);
|
|
}
|
|
}
|
|
|
|
void pcmcia_info(Monitor *mon)
|
|
{
|
|
struct pcmcia_socket_entry_s *iter;
|
|
|
|
if (!pcmcia_sockets)
|
|
monitor_printf(mon, "No PCMCIA sockets\n");
|
|
|
|
for (iter = pcmcia_sockets; iter; iter = iter->next)
|
|
monitor_printf(mon, "%s: %s\n", iter->socket->slot_string,
|
|
iter->socket->attached ? iter->socket->card_string :
|
|
"Empty");
|
|
}
|
|
|
|
/***********************************************************/
|
|
/* machine registration */
|
|
|
|
static QEMUMachine *first_machine = NULL;
|
|
QEMUMachine *current_machine = NULL;
|
|
|
|
int qemu_register_machine(QEMUMachine *m)
|
|
{
|
|
QEMUMachine **pm;
|
|
pm = &first_machine;
|
|
while (*pm != NULL)
|
|
pm = &(*pm)->next;
|
|
m->next = NULL;
|
|
*pm = m;
|
|
return 0;
|
|
}
|
|
|
|
static QEMUMachine *find_machine(const char *name)
|
|
{
|
|
QEMUMachine *m;
|
|
|
|
for(m = first_machine; m != NULL; m = m->next) {
|
|
if (!strcmp(m->name, name))
|
|
return m;
|
|
if (m->alias && !strcmp(m->alias, name))
|
|
return m;
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
QEMUMachine *find_default_machine(void)
|
|
{
|
|
QEMUMachine *m;
|
|
|
|
for(m = first_machine; m != NULL; m = m->next) {
|
|
if (m->is_default) {
|
|
return m;
|
|
}
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
MachineInfoList *qmp_query_machines(Error **errp)
|
|
{
|
|
MachineInfoList *mach_list = NULL;
|
|
QEMUMachine *m;
|
|
|
|
for (m = first_machine; m; m = m->next) {
|
|
MachineInfoList *entry;
|
|
MachineInfo *info;
|
|
|
|
info = g_malloc0(sizeof(*info));
|
|
if (m->is_default) {
|
|
info->has_is_default = true;
|
|
info->is_default = true;
|
|
}
|
|
|
|
if (m->alias) {
|
|
info->has_alias = true;
|
|
info->alias = g_strdup(m->alias);
|
|
}
|
|
|
|
info->name = g_strdup(m->name);
|
|
|
|
entry = g_malloc0(sizeof(*entry));
|
|
entry->value = info;
|
|
entry->next = mach_list;
|
|
mach_list = entry;
|
|
}
|
|
|
|
return mach_list;
|
|
}
|
|
|
|
/***********************************************************/
|
|
/* main execution loop */
|
|
|
|
static void gui_update(void *opaque)
|
|
{
|
|
uint64_t interval = GUI_REFRESH_INTERVAL;
|
|
DisplayState *ds = opaque;
|
|
DisplayChangeListener *dcl = ds->listeners;
|
|
|
|
dpy_refresh(ds);
|
|
|
|
while (dcl != NULL) {
|
|
if (dcl->gui_timer_interval &&
|
|
dcl->gui_timer_interval < interval)
|
|
interval = dcl->gui_timer_interval;
|
|
dcl = dcl->next;
|
|
}
|
|
qemu_mod_timer(ds->gui_timer, interval + qemu_get_clock_ms(rt_clock));
|
|
}
|
|
|
|
struct vm_change_state_entry {
|
|
VMChangeStateHandler *cb;
|
|
void *opaque;
|
|
QLIST_ENTRY (vm_change_state_entry) entries;
|
|
};
|
|
|
|
static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
|
|
|
|
VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
|
|
void *opaque)
|
|
{
|
|
VMChangeStateEntry *e;
|
|
|
|
e = g_malloc0(sizeof (*e));
|
|
|
|
e->cb = cb;
|
|
e->opaque = opaque;
|
|
QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
|
|
return e;
|
|
}
|
|
|
|
void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
|
|
{
|
|
QLIST_REMOVE (e, entries);
|
|
g_free (e);
|
|
}
|
|
|
|
void vm_state_notify(int running, RunState state)
|
|
{
|
|
VMChangeStateEntry *e;
|
|
|
|
trace_vm_state_notify(running, state);
|
|
|
|
for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
|
|
e->cb(e->opaque, running, state);
|
|
}
|
|
}
|
|
|
|
void vm_start(void)
|
|
{
|
|
if (!runstate_is_running()) {
|
|
cpu_enable_ticks();
|
|
runstate_set(RUN_STATE_RUNNING);
|
|
vm_state_notify(1, RUN_STATE_RUNNING);
|
|
resume_all_vcpus();
|
|
monitor_protocol_event(QEVENT_RESUME, NULL);
|
|
}
|
|
}
|
|
|
|
/* reset/shutdown handler */
|
|
|
|
typedef struct QEMUResetEntry {
|
|
QTAILQ_ENTRY(QEMUResetEntry) entry;
|
|
QEMUResetHandler *func;
|
|
void *opaque;
|
|
} QEMUResetEntry;
|
|
|
|
static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
|
|
QTAILQ_HEAD_INITIALIZER(reset_handlers);
|
|
static int reset_requested;
|
|
static int shutdown_requested, shutdown_signal = -1;
|
|
static pid_t shutdown_pid;
|
|
static int powerdown_requested;
|
|
static int debug_requested;
|
|
static int suspend_requested;
|
|
static int wakeup_requested;
|
|
static NotifierList powerdown_notifiers =
|
|
NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
|
|
static NotifierList suspend_notifiers =
|
|
NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
|
|
static NotifierList wakeup_notifiers =
|
|
NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
|
|
static uint32_t wakeup_reason_mask = ~0;
|
|
static RunState vmstop_requested = RUN_STATE_MAX;
|
|
|
|
int qemu_shutdown_requested_get(void)
|
|
{
|
|
return shutdown_requested;
|
|
}
|
|
|
|
int qemu_reset_requested_get(void)
|
|
{
|
|
return reset_requested;
|
|
}
|
|
|
|
int qemu_shutdown_requested(void)
|
|
{
|
|
int r = shutdown_requested;
|
|
shutdown_requested = 0;
|
|
return r;
|
|
}
|
|
|
|
void qemu_kill_report(void)
|
|
{
|
|
if (!qtest_enabled() && shutdown_signal != -1) {
|
|
fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
|
|
if (shutdown_pid == 0) {
|
|
/* This happens for eg ^C at the terminal, so it's worth
|
|
* avoiding printing an odd message in that case.
|
|
*/
|
|
fputc('\n', stderr);
|
|
} else {
|
|
fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
|
|
}
|
|
shutdown_signal = -1;
|
|
}
|
|
}
|
|
|
|
int qemu_reset_requested(void)
|
|
{
|
|
int r = reset_requested;
|
|
reset_requested = 0;
|
|
return r;
|
|
}
|
|
|
|
static int qemu_suspend_requested(void)
|
|
{
|
|
int r = suspend_requested;
|
|
suspend_requested = 0;
|
|
return r;
|
|
}
|
|
|
|
static int qemu_wakeup_requested(void)
|
|
{
|
|
int r = wakeup_requested;
|
|
wakeup_requested = 0;
|
|
return r;
|
|
}
|
|
|
|
int qemu_powerdown_requested(void)
|
|
{
|
|
int r = powerdown_requested;
|
|
powerdown_requested = 0;
|
|
return r;
|
|
}
|
|
|
|
static int qemu_debug_requested(void)
|
|
{
|
|
int r = debug_requested;
|
|
debug_requested = 0;
|
|
return r;
|
|
}
|
|
|
|
/* We use RUN_STATE_MAX but any invalid value will do */
|
|
static bool qemu_vmstop_requested(RunState *r)
|
|
{
|
|
if (vmstop_requested < RUN_STATE_MAX) {
|
|
*r = vmstop_requested;
|
|
vmstop_requested = RUN_STATE_MAX;
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
void qemu_register_reset(QEMUResetHandler *func, void *opaque)
|
|
{
|
|
QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
|
|
|
|
re->func = func;
|
|
re->opaque = opaque;
|
|
QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
|
|
}
|
|
|
|
void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
|
|
{
|
|
QEMUResetEntry *re;
|
|
|
|
QTAILQ_FOREACH(re, &reset_handlers, entry) {
|
|
if (re->func == func && re->opaque == opaque) {
|
|
QTAILQ_REMOVE(&reset_handlers, re, entry);
|
|
g_free(re);
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
void qemu_devices_reset(void)
|
|
{
|
|
QEMUResetEntry *re, *nre;
|
|
|
|
/* reset all devices */
|
|
QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
|
|
re->func(re->opaque);
|
|
}
|
|
}
|
|
|
|
void qemu_system_reset(bool report)
|
|
{
|
|
if (current_machine && current_machine->reset) {
|
|
current_machine->reset();
|
|
} else {
|
|
qemu_devices_reset();
|
|
}
|
|
if (report) {
|
|
monitor_protocol_event(QEVENT_RESET, NULL);
|
|
}
|
|
cpu_synchronize_all_post_reset();
|
|
}
|
|
|
|
void qemu_system_reset_request(void)
|
|
{
|
|
if (no_reboot) {
|
|
shutdown_requested = 1;
|
|
} else {
|
|
reset_requested = 1;
|
|
}
|
|
cpu_stop_current();
|
|
qemu_notify_event();
|
|
}
|
|
|
|
static void qemu_system_suspend(void)
|
|
{
|
|
pause_all_vcpus();
|
|
notifier_list_notify(&suspend_notifiers, NULL);
|
|
runstate_set(RUN_STATE_SUSPENDED);
|
|
monitor_protocol_event(QEVENT_SUSPEND, NULL);
|
|
}
|
|
|
|
void qemu_system_suspend_request(void)
|
|
{
|
|
if (runstate_check(RUN_STATE_SUSPENDED)) {
|
|
return;
|
|
}
|
|
suspend_requested = 1;
|
|
cpu_stop_current();
|
|
qemu_notify_event();
|
|
}
|
|
|
|
void qemu_register_suspend_notifier(Notifier *notifier)
|
|
{
|
|
notifier_list_add(&suspend_notifiers, notifier);
|
|
}
|
|
|
|
void qemu_system_wakeup_request(WakeupReason reason)
|
|
{
|
|
if (!runstate_check(RUN_STATE_SUSPENDED)) {
|
|
return;
|
|
}
|
|
if (!(wakeup_reason_mask & (1 << reason))) {
|
|
return;
|
|
}
|
|
runstate_set(RUN_STATE_RUNNING);
|
|
notifier_list_notify(&wakeup_notifiers, &reason);
|
|
wakeup_requested = 1;
|
|
qemu_notify_event();
|
|
}
|
|
|
|
void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
|
|
{
|
|
if (enabled) {
|
|
wakeup_reason_mask |= (1 << reason);
|
|
} else {
|
|
wakeup_reason_mask &= ~(1 << reason);
|
|
}
|
|
}
|
|
|
|
void qemu_register_wakeup_notifier(Notifier *notifier)
|
|
{
|
|
notifier_list_add(&wakeup_notifiers, notifier);
|
|
}
|
|
|
|
void qemu_system_killed(int signal, pid_t pid)
|
|
{
|
|
shutdown_signal = signal;
|
|
shutdown_pid = pid;
|
|
no_shutdown = 0;
|
|
qemu_system_shutdown_request();
|
|
}
|
|
|
|
void qemu_system_shutdown_request(void)
|
|
{
|
|
shutdown_requested = 1;
|
|
qemu_notify_event();
|
|
}
|
|
|
|
static void qemu_system_powerdown(void)
|
|
{
|
|
monitor_protocol_event(QEVENT_POWERDOWN, NULL);
|
|
notifier_list_notify(&powerdown_notifiers, NULL);
|
|
}
|
|
|
|
void qemu_system_powerdown_request(void)
|
|
{
|
|
powerdown_requested = 1;
|
|
qemu_notify_event();
|
|
}
|
|
|
|
void qemu_register_powerdown_notifier(Notifier *notifier)
|
|
{
|
|
notifier_list_add(&powerdown_notifiers, notifier);
|
|
}
|
|
|
|
void qemu_system_debug_request(void)
|
|
{
|
|
debug_requested = 1;
|
|
qemu_notify_event();
|
|
}
|
|
|
|
void qemu_system_vmstop_request(RunState state)
|
|
{
|
|
vmstop_requested = state;
|
|
qemu_notify_event();
|
|
}
|
|
|
|
static bool main_loop_should_exit(void)
|
|
{
|
|
RunState r;
|
|
if (qemu_debug_requested()) {
|
|
vm_stop(RUN_STATE_DEBUG);
|
|
}
|
|
if (qemu_suspend_requested()) {
|
|
qemu_system_suspend();
|
|
}
|
|
if (qemu_shutdown_requested()) {
|
|
qemu_kill_report();
|
|
monitor_protocol_event(QEVENT_SHUTDOWN, NULL);
|
|
if (no_shutdown) {
|
|
vm_stop(RUN_STATE_SHUTDOWN);
|
|
} else {
|
|
return true;
|
|
}
|
|
}
|
|
if (qemu_reset_requested()) {
|
|
pause_all_vcpus();
|
|
cpu_synchronize_all_states();
|
|
qemu_system_reset(VMRESET_REPORT);
|
|
resume_all_vcpus();
|
|
if (runstate_check(RUN_STATE_INTERNAL_ERROR) ||
|
|
runstate_check(RUN_STATE_SHUTDOWN)) {
|
|
runstate_set(RUN_STATE_PAUSED);
|
|
}
|
|
}
|
|
if (qemu_wakeup_requested()) {
|
|
pause_all_vcpus();
|
|
cpu_synchronize_all_states();
|
|
qemu_system_reset(VMRESET_SILENT);
|
|
resume_all_vcpus();
|
|
monitor_protocol_event(QEVENT_WAKEUP, NULL);
|
|
}
|
|
if (qemu_powerdown_requested()) {
|
|
qemu_system_powerdown();
|
|
}
|
|
if (qemu_vmstop_requested(&r)) {
|
|
vm_stop(r);
|
|
}
|
|
return false;
|
|
}
|
|
|
|
static void main_loop(void)
|
|
{
|
|
bool nonblocking;
|
|
int last_io = 0;
|
|
#ifdef CONFIG_PROFILER
|
|
int64_t ti;
|
|
#endif
|
|
do {
|
|
nonblocking = !kvm_enabled() && last_io > 0;
|
|
#ifdef CONFIG_PROFILER
|
|
ti = profile_getclock();
|
|
#endif
|
|
last_io = main_loop_wait(nonblocking);
|
|
#ifdef CONFIG_PROFILER
|
|
dev_time += profile_getclock() - ti;
|
|
#endif
|
|
} while (!main_loop_should_exit());
|
|
}
|
|
|
|
static void version(void)
|
|
{
|
|
printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
|
|
}
|
|
|
|
static void help(int exitcode)
|
|
{
|
|
version();
|
|
printf("usage: %s [options] [disk_image]\n\n"
|
|
"'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
|
|
error_get_progname());
|
|
|
|
#define QEMU_OPTIONS_GENERATE_HELP
|
|
#include "qemu-options-wrapper.h"
|
|
|
|
printf("\nDuring emulation, the following keys are useful:\n"
|
|
"ctrl-alt-f toggle full screen\n"
|
|
"ctrl-alt-n switch to virtual console 'n'\n"
|
|
"ctrl-alt toggle mouse and keyboard grab\n"
|
|
"\n"
|
|
"When using -nographic, press 'ctrl-a h' to get some help.\n");
|
|
|
|
exit(exitcode);
|
|
}
|
|
|
|
#define HAS_ARG 0x0001
|
|
|
|
typedef struct QEMUOption {
|
|
const char *name;
|
|
int flags;
|
|
int index;
|
|
uint32_t arch_mask;
|
|
} QEMUOption;
|
|
|
|
static const QEMUOption qemu_options[] = {
|
|
{ "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
|
|
#define QEMU_OPTIONS_GENERATE_OPTIONS
|
|
#include "qemu-options-wrapper.h"
|
|
{ NULL },
|
|
};
|
|
|
|
static bool vga_available(void)
|
|
{
|
|
return object_class_by_name("VGA") || object_class_by_name("isa-vga");
|
|
}
|
|
|
|
static bool cirrus_vga_available(void)
|
|
{
|
|
return object_class_by_name("cirrus-vga")
|
|
|| object_class_by_name("isa-cirrus-vga");
|
|
}
|
|
|
|
static bool vmware_vga_available(void)
|
|
{
|
|
return object_class_by_name("vmware-svga");
|
|
}
|
|
|
|
static bool qxl_vga_available(void)
|
|
{
|
|
return object_class_by_name("qxl-vga");
|
|
}
|
|
|
|
static void select_vgahw (const char *p)
|
|
{
|
|
const char *opts;
|
|
|
|
vga_interface_type = VGA_NONE;
|
|
if (strstart(p, "std", &opts)) {
|
|
if (vga_available()) {
|
|
vga_interface_type = VGA_STD;
|
|
} else {
|
|
fprintf(stderr, "Error: standard VGA not available\n");
|
|
exit(0);
|
|
}
|
|
} else if (strstart(p, "cirrus", &opts)) {
|
|
if (cirrus_vga_available()) {
|
|
vga_interface_type = VGA_CIRRUS;
|
|
} else {
|
|
fprintf(stderr, "Error: Cirrus VGA not available\n");
|
|
exit(0);
|
|
}
|
|
} else if (strstart(p, "vmware", &opts)) {
|
|
if (vmware_vga_available()) {
|
|
vga_interface_type = VGA_VMWARE;
|
|
} else {
|
|
fprintf(stderr, "Error: VMWare SVGA not available\n");
|
|
exit(0);
|
|
}
|
|
} else if (strstart(p, "xenfb", &opts)) {
|
|
vga_interface_type = VGA_XENFB;
|
|
} else if (strstart(p, "qxl", &opts)) {
|
|
if (qxl_vga_available()) {
|
|
vga_interface_type = VGA_QXL;
|
|
} else {
|
|
fprintf(stderr, "Error: QXL VGA not available\n");
|
|
exit(0);
|
|
}
|
|
} else if (!strstart(p, "none", &opts)) {
|
|
invalid_vga:
|
|
fprintf(stderr, "Unknown vga type: %s\n", p);
|
|
exit(1);
|
|
}
|
|
while (*opts) {
|
|
const char *nextopt;
|
|
|
|
if (strstart(opts, ",retrace=", &nextopt)) {
|
|
opts = nextopt;
|
|
if (strstart(opts, "dumb", &nextopt))
|
|
vga_retrace_method = VGA_RETRACE_DUMB;
|
|
else if (strstart(opts, "precise", &nextopt))
|
|
vga_retrace_method = VGA_RETRACE_PRECISE;
|
|
else goto invalid_vga;
|
|
} else goto invalid_vga;
|
|
opts = nextopt;
|
|
}
|
|
}
|
|
|
|
static DisplayType select_display(const char *p)
|
|
{
|
|
const char *opts;
|
|
DisplayType display = DT_DEFAULT;
|
|
|
|
if (strstart(p, "sdl", &opts)) {
|
|
#ifdef CONFIG_SDL
|
|
display = DT_SDL;
|
|
while (*opts) {
|
|
const char *nextopt;
|
|
|
|
if (strstart(opts, ",frame=", &nextopt)) {
|
|
opts = nextopt;
|
|
if (strstart(opts, "on", &nextopt)) {
|
|
no_frame = 0;
|
|
} else if (strstart(opts, "off", &nextopt)) {
|
|
no_frame = 1;
|
|
} else {
|
|
goto invalid_sdl_args;
|
|
}
|
|
} else if (strstart(opts, ",alt_grab=", &nextopt)) {
|
|
opts = nextopt;
|
|
if (strstart(opts, "on", &nextopt)) {
|
|
alt_grab = 1;
|
|
} else if (strstart(opts, "off", &nextopt)) {
|
|
alt_grab = 0;
|
|
} else {
|
|
goto invalid_sdl_args;
|
|
}
|
|
} else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
|
|
opts = nextopt;
|
|
if (strstart(opts, "on", &nextopt)) {
|
|
ctrl_grab = 1;
|
|
} else if (strstart(opts, "off", &nextopt)) {
|
|
ctrl_grab = 0;
|
|
} else {
|
|
goto invalid_sdl_args;
|
|
}
|
|
} else if (strstart(opts, ",window_close=", &nextopt)) {
|
|
opts = nextopt;
|
|
if (strstart(opts, "on", &nextopt)) {
|
|
no_quit = 0;
|
|
} else if (strstart(opts, "off", &nextopt)) {
|
|
no_quit = 1;
|
|
} else {
|
|
goto invalid_sdl_args;
|
|
}
|
|
} else {
|
|
invalid_sdl_args:
|
|
fprintf(stderr, "Invalid SDL option string: %s\n", p);
|
|
exit(1);
|
|
}
|
|
opts = nextopt;
|
|
}
|
|
#else
|
|
fprintf(stderr, "SDL support is disabled\n");
|
|
exit(1);
|
|
#endif
|
|
} else if (strstart(p, "vnc", &opts)) {
|
|
#ifdef CONFIG_VNC
|
|
display_remote++;
|
|
|
|
if (*opts) {
|
|
const char *nextopt;
|
|
|
|
if (strstart(opts, "=", &nextopt)) {
|
|
vnc_display = nextopt;
|
|
}
|
|
}
|
|
if (!vnc_display) {
|
|
fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
|
|
exit(1);
|
|
}
|
|
#else
|
|
fprintf(stderr, "VNC support is disabled\n");
|
|
exit(1);
|
|
#endif
|
|
} else if (strstart(p, "curses", &opts)) {
|
|
#ifdef CONFIG_CURSES
|
|
display = DT_CURSES;
|
|
#else
|
|
fprintf(stderr, "Curses support is disabled\n");
|
|
exit(1);
|
|
#endif
|
|
} else if (strstart(p, "none", &opts)) {
|
|
display = DT_NONE;
|
|
} else {
|
|
fprintf(stderr, "Unknown display type: %s\n", p);
|
|
exit(1);
|
|
}
|
|
|
|
return display;
|
|
}
|
|
|
|
static int balloon_parse(const char *arg)
|
|
{
|
|
QemuOpts *opts;
|
|
|
|
if (strcmp(arg, "none") == 0) {
|
|
return 0;
|
|
}
|
|
|
|
if (!strncmp(arg, "virtio", 6)) {
|
|
if (arg[6] == ',') {
|
|
/* have params -> parse them */
|
|
opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
|
|
if (!opts)
|
|
return -1;
|
|
} else {
|
|
/* create empty opts */
|
|
opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0, NULL);
|
|
}
|
|
qemu_opt_set(opts, "driver", "virtio-balloon");
|
|
return 0;
|
|
}
|
|
|
|
return -1;
|
|
}
|
|
|
|
char *qemu_find_file(int type, const char *name)
|
|
{
|
|
int len;
|
|
const char *subdir;
|
|
char *buf;
|
|
|
|
/* Try the name as a straight path first */
|
|
if (access(name, R_OK) == 0) {
|
|
return g_strdup(name);
|
|
}
|
|
switch (type) {
|
|
case QEMU_FILE_TYPE_BIOS:
|
|
subdir = "";
|
|
break;
|
|
case QEMU_FILE_TYPE_KEYMAP:
|
|
subdir = "keymaps/";
|
|
break;
|
|
default:
|
|
abort();
|
|
}
|
|
len = strlen(data_dir) + strlen(name) + strlen(subdir) + 2;
|
|
buf = g_malloc0(len);
|
|
snprintf(buf, len, "%s/%s%s", data_dir, subdir, name);
|
|
if (access(buf, R_OK)) {
|
|
g_free(buf);
|
|
return NULL;
|
|
}
|
|
return buf;
|
|
}
|
|
|
|
static int device_help_func(QemuOpts *opts, void *opaque)
|
|
{
|
|
return qdev_device_help(opts);
|
|
}
|
|
|
|
static int device_init_func(QemuOpts *opts, void *opaque)
|
|
{
|
|
DeviceState *dev;
|
|
|
|
dev = qdev_device_add(opts);
|
|
if (!dev)
|
|
return -1;
|
|
return 0;
|
|
}
|
|
|
|
static int chardev_init_func(QemuOpts *opts, void *opaque)
|
|
{
|
|
CharDriverState *chr;
|
|
|
|
chr = qemu_chr_new_from_opts(opts, NULL);
|
|
if (!chr)
|
|
return -1;
|
|
return 0;
|
|
}
|
|
|
|
#ifdef CONFIG_VIRTFS
|
|
static int fsdev_init_func(QemuOpts *opts, void *opaque)
|
|
{
|
|
int ret;
|
|
ret = qemu_fsdev_add(opts);
|
|
|
|
return ret;
|
|
}
|
|
#endif
|
|
|
|
static int mon_init_func(QemuOpts *opts, void *opaque)
|
|
{
|
|
CharDriverState *chr;
|
|
const char *chardev;
|
|
const char *mode;
|
|
int flags;
|
|
|
|
mode = qemu_opt_get(opts, "mode");
|
|
if (mode == NULL) {
|
|
mode = "readline";
|
|
}
|
|
if (strcmp(mode, "readline") == 0) {
|
|
flags = MONITOR_USE_READLINE;
|
|
} else if (strcmp(mode, "control") == 0) {
|
|
flags = MONITOR_USE_CONTROL;
|
|
} else {
|
|
fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
|
|
exit(1);
|
|
}
|
|
|
|
if (qemu_opt_get_bool(opts, "pretty", 0))
|
|
flags |= MONITOR_USE_PRETTY;
|
|
|
|
if (qemu_opt_get_bool(opts, "default", 0))
|
|
flags |= MONITOR_IS_DEFAULT;
|
|
|
|
chardev = qemu_opt_get(opts, "chardev");
|
|
chr = qemu_chr_find(chardev);
|
|
if (chr == NULL) {
|
|
fprintf(stderr, "chardev \"%s\" not found\n", chardev);
|
|
exit(1);
|
|
}
|
|
|
|
monitor_init(chr, flags);
|
|
return 0;
|
|
}
|
|
|
|
static void monitor_parse(const char *optarg, const char *mode)
|
|
{
|
|
static int monitor_device_index = 0;
|
|
QemuOpts *opts;
|
|
const char *p;
|
|
char label[32];
|
|
int def = 0;
|
|
|
|
if (strstart(optarg, "chardev:", &p)) {
|
|
snprintf(label, sizeof(label), "%s", p);
|
|
} else {
|
|
snprintf(label, sizeof(label), "compat_monitor%d",
|
|
monitor_device_index);
|
|
if (monitor_device_index == 0) {
|
|
def = 1;
|
|
}
|
|
opts = qemu_chr_parse_compat(label, optarg);
|
|
if (!opts) {
|
|
fprintf(stderr, "parse error: %s\n", optarg);
|
|
exit(1);
|
|
}
|
|
}
|
|
|
|
opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, NULL);
|
|
if (!opts) {
|
|
fprintf(stderr, "duplicate chardev: %s\n", label);
|
|
exit(1);
|
|
}
|
|
qemu_opt_set(opts, "mode", mode);
|
|
qemu_opt_set(opts, "chardev", label);
|
|
if (def)
|
|
qemu_opt_set(opts, "default", "on");
|
|
monitor_device_index++;
|
|
}
|
|
|
|
struct device_config {
|
|
enum {
|
|
DEV_USB, /* -usbdevice */
|
|
DEV_BT, /* -bt */
|
|
DEV_SERIAL, /* -serial */
|
|
DEV_PARALLEL, /* -parallel */
|
|
DEV_VIRTCON, /* -virtioconsole */
|
|
DEV_DEBUGCON, /* -debugcon */
|
|
DEV_GDB, /* -gdb, -s */
|
|
} type;
|
|
const char *cmdline;
|
|
Location loc;
|
|
QTAILQ_ENTRY(device_config) next;
|
|
};
|
|
QTAILQ_HEAD(, device_config) device_configs = QTAILQ_HEAD_INITIALIZER(device_configs);
|
|
|
|
static void add_device_config(int type, const char *cmdline)
|
|
{
|
|
struct device_config *conf;
|
|
|
|
conf = g_malloc0(sizeof(*conf));
|
|
conf->type = type;
|
|
conf->cmdline = cmdline;
|
|
loc_save(&conf->loc);
|
|
QTAILQ_INSERT_TAIL(&device_configs, conf, next);
|
|
}
|
|
|
|
static int foreach_device_config(int type, int (*func)(const char *cmdline))
|
|
{
|
|
struct device_config *conf;
|
|
int rc;
|
|
|
|
QTAILQ_FOREACH(conf, &device_configs, next) {
|
|
if (conf->type != type)
|
|
continue;
|
|
loc_push_restore(&conf->loc);
|
|
rc = func(conf->cmdline);
|
|
loc_pop(&conf->loc);
|
|
if (0 != rc)
|
|
return rc;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int serial_parse(const char *devname)
|
|
{
|
|
static int index = 0;
|
|
char label[32];
|
|
|
|
if (strcmp(devname, "none") == 0)
|
|
return 0;
|
|
if (index == MAX_SERIAL_PORTS) {
|
|
fprintf(stderr, "qemu: too many serial ports\n");
|
|
exit(1);
|
|
}
|
|
snprintf(label, sizeof(label), "serial%d", index);
|
|
serial_hds[index] = qemu_chr_new(label, devname, NULL);
|
|
if (!serial_hds[index]) {
|
|
fprintf(stderr, "qemu: could not connect serial device"
|
|
" to character backend '%s'\n", devname);
|
|
return -1;
|
|
}
|
|
index++;
|
|
return 0;
|
|
}
|
|
|
|
static int parallel_parse(const char *devname)
|
|
{
|
|
static int index = 0;
|
|
char label[32];
|
|
|
|
if (strcmp(devname, "none") == 0)
|
|
return 0;
|
|
if (index == MAX_PARALLEL_PORTS) {
|
|
fprintf(stderr, "qemu: too many parallel ports\n");
|
|
exit(1);
|
|
}
|
|
snprintf(label, sizeof(label), "parallel%d", index);
|
|
parallel_hds[index] = qemu_chr_new(label, devname, NULL);
|
|
if (!parallel_hds[index]) {
|
|
fprintf(stderr, "qemu: could not connect parallel device"
|
|
" to character backend '%s'\n", devname);
|
|
return -1;
|
|
}
|
|
index++;
|
|
return 0;
|
|
}
|
|
|
|
static int virtcon_parse(const char *devname)
|
|
{
|
|
QemuOptsList *device = qemu_find_opts("device");
|
|
static int index = 0;
|
|
char label[32];
|
|
QemuOpts *bus_opts, *dev_opts;
|
|
|
|
if (strcmp(devname, "none") == 0)
|
|
return 0;
|
|
if (index == MAX_VIRTIO_CONSOLES) {
|
|
fprintf(stderr, "qemu: too many virtio consoles\n");
|
|
exit(1);
|
|
}
|
|
|
|
bus_opts = qemu_opts_create(device, NULL, 0, NULL);
|
|
if (arch_type == QEMU_ARCH_S390X) {
|
|
qemu_opt_set(bus_opts, "driver", "virtio-serial-s390");
|
|
} else {
|
|
qemu_opt_set(bus_opts, "driver", "virtio-serial-pci");
|
|
}
|
|
|
|
dev_opts = qemu_opts_create(device, NULL, 0, NULL);
|
|
qemu_opt_set(dev_opts, "driver", "virtconsole");
|
|
|
|
snprintf(label, sizeof(label), "virtcon%d", index);
|
|
virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
|
|
if (!virtcon_hds[index]) {
|
|
fprintf(stderr, "qemu: could not connect virtio console"
|
|
" to character backend '%s'\n", devname);
|
|
return -1;
|
|
}
|
|
qemu_opt_set(dev_opts, "chardev", label);
|
|
|
|
index++;
|
|
return 0;
|
|
}
|
|
|
|
static int debugcon_parse(const char *devname)
|
|
{
|
|
QemuOpts *opts;
|
|
|
|
if (!qemu_chr_new("debugcon", devname, NULL)) {
|
|
exit(1);
|
|
}
|
|
opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
|
|
if (!opts) {
|
|
fprintf(stderr, "qemu: already have a debugcon device\n");
|
|
exit(1);
|
|
}
|
|
qemu_opt_set(opts, "driver", "isa-debugcon");
|
|
qemu_opt_set(opts, "chardev", "debugcon");
|
|
return 0;
|
|
}
|
|
|
|
static QEMUMachine *machine_parse(const char *name)
|
|
{
|
|
QEMUMachine *m, *machine = NULL;
|
|
|
|
if (name) {
|
|
machine = find_machine(name);
|
|
}
|
|
if (machine) {
|
|
return machine;
|
|
}
|
|
printf("Supported machines are:\n");
|
|
for (m = first_machine; m != NULL; m = m->next) {
|
|
if (m->alias) {
|
|
printf("%-20s %s (alias of %s)\n", m->alias, m->desc, m->name);
|
|
}
|
|
printf("%-20s %s%s\n", m->name, m->desc,
|
|
m->is_default ? " (default)" : "");
|
|
}
|
|
exit(!name || !is_help_option(name));
|
|
}
|
|
|
|
static int tcg_init(void)
|
|
{
|
|
tcg_exec_init(tcg_tb_size * 1024 * 1024);
|
|
return 0;
|
|
}
|
|
|
|
static struct {
|
|
const char *opt_name;
|
|
const char *name;
|
|
int (*available)(void);
|
|
int (*init)(void);
|
|
int *allowed;
|
|
} accel_list[] = {
|
|
{ "tcg", "tcg", tcg_available, tcg_init, &tcg_allowed },
|
|
{ "xen", "Xen", xen_available, xen_init, &xen_allowed },
|
|
{ "kvm", "KVM", kvm_available, kvm_init, &kvm_allowed },
|
|
{ "qtest", "QTest", qtest_available, qtest_init, &qtest_allowed },
|
|
};
|
|
|
|
static int configure_accelerator(void)
|
|
{
|
|
const char *p = NULL;
|
|
char buf[10];
|
|
int i, ret;
|
|
bool accel_initialised = 0;
|
|
bool init_failed = 0;
|
|
|
|
QemuOptsList *list = qemu_find_opts("machine");
|
|
if (!QTAILQ_EMPTY(&list->head)) {
|
|
p = qemu_opt_get(QTAILQ_FIRST(&list->head), "accel");
|
|
}
|
|
|
|
if (p == NULL) {
|
|
/* Use the default "accelerator", tcg */
|
|
p = "tcg";
|
|
}
|
|
|
|
while (!accel_initialised && *p != '\0') {
|
|
if (*p == ':') {
|
|
p++;
|
|
}
|
|
p = get_opt_name(buf, sizeof (buf), p, ':');
|
|
for (i = 0; i < ARRAY_SIZE(accel_list); i++) {
|
|
if (strcmp(accel_list[i].opt_name, buf) == 0) {
|
|
*(accel_list[i].allowed) = 1;
|
|
ret = accel_list[i].init();
|
|
if (ret < 0) {
|
|
init_failed = 1;
|
|
if (!accel_list[i].available()) {
|
|
printf("%s not supported for this target\n",
|
|
accel_list[i].name);
|
|
} else {
|
|
fprintf(stderr, "failed to initialize %s: %s\n",
|
|
accel_list[i].name,
|
|
strerror(-ret));
|
|
}
|
|
*(accel_list[i].allowed) = 0;
|
|
} else {
|
|
accel_initialised = 1;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
if (i == ARRAY_SIZE(accel_list)) {
|
|
fprintf(stderr, "\"%s\" accelerator does not exist.\n", buf);
|
|
}
|
|
}
|
|
|
|
if (!accel_initialised) {
|
|
fprintf(stderr, "No accelerator found!\n");
|
|
exit(1);
|
|
}
|
|
|
|
if (init_failed) {
|
|
fprintf(stderr, "Back to %s accelerator.\n", accel_list[i].name);
|
|
}
|
|
|
|
return !accel_initialised;
|
|
}
|
|
|
|
void qemu_add_exit_notifier(Notifier *notify)
|
|
{
|
|
notifier_list_add(&exit_notifiers, notify);
|
|
}
|
|
|
|
void qemu_remove_exit_notifier(Notifier *notify)
|
|
{
|
|
notifier_remove(notify);
|
|
}
|
|
|
|
static void qemu_run_exit_notifiers(void)
|
|
{
|
|
notifier_list_notify(&exit_notifiers, NULL);
|
|
}
|
|
|
|
void qemu_add_machine_init_done_notifier(Notifier *notify)
|
|
{
|
|
notifier_list_add(&machine_init_done_notifiers, notify);
|
|
}
|
|
|
|
static void qemu_run_machine_init_done_notifiers(void)
|
|
{
|
|
notifier_list_notify(&machine_init_done_notifiers, NULL);
|
|
}
|
|
|
|
static const QEMUOption *lookup_opt(int argc, char **argv,
|
|
const char **poptarg, int *poptind)
|
|
{
|
|
const QEMUOption *popt;
|
|
int optind = *poptind;
|
|
char *r = argv[optind];
|
|
const char *optarg;
|
|
|
|
loc_set_cmdline(argv, optind, 1);
|
|
optind++;
|
|
/* Treat --foo the same as -foo. */
|
|
if (r[1] == '-')
|
|
r++;
|
|
popt = qemu_options;
|
|
for(;;) {
|
|
if (!popt->name) {
|
|
error_report("invalid option");
|
|
exit(1);
|
|
}
|
|
if (!strcmp(popt->name, r + 1))
|
|
break;
|
|
popt++;
|
|
}
|
|
if (popt->flags & HAS_ARG) {
|
|
if (optind >= argc) {
|
|
error_report("requires an argument");
|
|
exit(1);
|
|
}
|
|
optarg = argv[optind++];
|
|
loc_set_cmdline(argv, optind - 2, 2);
|
|
} else {
|
|
optarg = NULL;
|
|
}
|
|
|
|
*poptarg = optarg;
|
|
*poptind = optind;
|
|
|
|
return popt;
|
|
}
|
|
|
|
static gpointer malloc_and_trace(gsize n_bytes)
|
|
{
|
|
void *ptr = malloc(n_bytes);
|
|
trace_g_malloc(n_bytes, ptr);
|
|
return ptr;
|
|
}
|
|
|
|
static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
|
|
{
|
|
void *ptr = realloc(mem, n_bytes);
|
|
trace_g_realloc(mem, n_bytes, ptr);
|
|
return ptr;
|
|
}
|
|
|
|
static void free_and_trace(gpointer mem)
|
|
{
|
|
trace_g_free(mem);
|
|
free(mem);
|
|
}
|
|
|
|
int main(int argc, char **argv, char **envp)
|
|
{
|
|
int i;
|
|
int snapshot, linux_boot;
|
|
const char *icount_option = NULL;
|
|
const char *initrd_filename;
|
|
const char *kernel_filename, *kernel_cmdline;
|
|
char boot_devices[33] = "cad"; /* default to HD->floppy->CD-ROM */
|
|
DisplayState *ds;
|
|
DisplayChangeListener *dcl;
|
|
int cyls, heads, secs, translation;
|
|
QemuOpts *hda_opts = NULL, *opts, *machine_opts;
|
|
QemuOptsList *olist;
|
|
int optind;
|
|
const char *optarg;
|
|
const char *loadvm = NULL;
|
|
QEMUMachine *machine;
|
|
const char *cpu_model;
|
|
const char *vga_model = "none";
|
|
const char *pid_file = NULL;
|
|
const char *incoming = NULL;
|
|
#ifdef CONFIG_VNC
|
|
int show_vnc_port = 0;
|
|
#endif
|
|
bool defconfig = true;
|
|
bool userconfig = true;
|
|
const char *log_mask = NULL;
|
|
const char *log_file = NULL;
|
|
GMemVTable mem_trace = {
|
|
.malloc = malloc_and_trace,
|
|
.realloc = realloc_and_trace,
|
|
.free = free_and_trace,
|
|
};
|
|
const char *trace_events = NULL;
|
|
const char *trace_file = NULL;
|
|
|
|
atexit(qemu_run_exit_notifiers);
|
|
error_set_progname(argv[0]);
|
|
|
|
g_mem_set_vtable(&mem_trace);
|
|
if (!g_thread_supported()) {
|
|
#if !GLIB_CHECK_VERSION(2, 31, 0)
|
|
g_thread_init(NULL);
|
|
#else
|
|
fprintf(stderr, "glib threading failed to initialize.\n");
|
|
exit(1);
|
|
#endif
|
|
}
|
|
|
|
module_call_init(MODULE_INIT_QOM);
|
|
|
|
runstate_init();
|
|
|
|
init_clocks();
|
|
rtc_clock = host_clock;
|
|
|
|
qemu_cache_utils_init(envp);
|
|
|
|
QLIST_INIT (&vm_change_state_head);
|
|
os_setup_early_signal_handling();
|
|
|
|
module_call_init(MODULE_INIT_MACHINE);
|
|
machine = find_default_machine();
|
|
cpu_model = NULL;
|
|
ram_size = 0;
|
|
snapshot = 0;
|
|
cyls = heads = secs = 0;
|
|
translation = BIOS_ATA_TRANSLATION_AUTO;
|
|
|
|
for (i = 0; i < MAX_NODES; i++) {
|
|
node_mem[i] = 0;
|
|
node_cpumask[i] = bitmap_new(MAX_CPUMASK_BITS);
|
|
}
|
|
|
|
nb_numa_nodes = 0;
|
|
nb_nics = 0;
|
|
|
|
autostart= 1;
|
|
|
|
/* first pass of option parsing */
|
|
optind = 1;
|
|
while (optind < argc) {
|
|
if (argv[optind][0] != '-') {
|
|
/* disk image */
|
|
optind++;
|
|
continue;
|
|
} else {
|
|
const QEMUOption *popt;
|
|
|
|
popt = lookup_opt(argc, argv, &optarg, &optind);
|
|
switch (popt->index) {
|
|
case QEMU_OPTION_nodefconfig:
|
|
defconfig = false;
|
|
break;
|
|
case QEMU_OPTION_nouserconfig:
|
|
userconfig = false;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (defconfig) {
|
|
int ret;
|
|
ret = qemu_read_default_config_files(userconfig);
|
|
if (ret < 0) {
|
|
exit(1);
|
|
}
|
|
}
|
|
|
|
/* second pass of option parsing */
|
|
optind = 1;
|
|
for(;;) {
|
|
if (optind >= argc)
|
|
break;
|
|
if (argv[optind][0] != '-') {
|
|
hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
|
|
} else {
|
|
const QEMUOption *popt;
|
|
|
|
popt = lookup_opt(argc, argv, &optarg, &optind);
|
|
if (!(popt->arch_mask & arch_type)) {
|
|
printf("Option %s not supported for this target\n", popt->name);
|
|
exit(1);
|
|
}
|
|
switch(popt->index) {
|
|
case QEMU_OPTION_M:
|
|
machine = machine_parse(optarg);
|
|
break;
|
|
case QEMU_OPTION_cpu:
|
|
/* hw initialization will check this */
|
|
cpu_model = optarg;
|
|
break;
|
|
case QEMU_OPTION_hda:
|
|
{
|
|
char buf[256];
|
|
if (cyls == 0)
|
|
snprintf(buf, sizeof(buf), "%s", HD_OPTS);
|
|
else
|
|
snprintf(buf, sizeof(buf),
|
|
"%s,cyls=%d,heads=%d,secs=%d%s",
|
|
HD_OPTS , cyls, heads, secs,
|
|
translation == BIOS_ATA_TRANSLATION_LBA ?
|
|
",trans=lba" :
|
|
translation == BIOS_ATA_TRANSLATION_NONE ?
|
|
",trans=none" : "");
|
|
drive_add(IF_DEFAULT, 0, optarg, buf);
|
|
break;
|
|
}
|
|
case QEMU_OPTION_hdb:
|
|
case QEMU_OPTION_hdc:
|
|
case QEMU_OPTION_hdd:
|
|
drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
|
|
HD_OPTS);
|
|
break;
|
|
case QEMU_OPTION_drive:
|
|
if (drive_def(optarg) == NULL) {
|
|
exit(1);
|
|
}
|
|
break;
|
|
case QEMU_OPTION_set:
|
|
if (qemu_set_option(optarg) != 0)
|
|
exit(1);
|
|
break;
|
|
case QEMU_OPTION_global:
|
|
if (qemu_global_option(optarg) != 0)
|
|
exit(1);
|
|
break;
|
|
case QEMU_OPTION_mtdblock:
|
|
drive_add(IF_MTD, -1, optarg, MTD_OPTS);
|
|
break;
|
|
case QEMU_OPTION_sd:
|
|
drive_add(IF_SD, 0, optarg, SD_OPTS);
|
|
break;
|
|
case QEMU_OPTION_pflash:
|
|
drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
|
|
break;
|
|
case QEMU_OPTION_snapshot:
|
|
snapshot = 1;
|
|
break;
|
|
case QEMU_OPTION_hdachs:
|
|
{
|
|
const char *p;
|
|
p = optarg;
|
|
cyls = strtol(p, (char **)&p, 0);
|
|
if (cyls < 1 || cyls > 16383)
|
|
goto chs_fail;
|
|
if (*p != ',')
|
|
goto chs_fail;
|
|
p++;
|
|
heads = strtol(p, (char **)&p, 0);
|
|
if (heads < 1 || heads > 16)
|
|
goto chs_fail;
|
|
if (*p != ',')
|
|
goto chs_fail;
|
|
p++;
|
|
secs = strtol(p, (char **)&p, 0);
|
|
if (secs < 1 || secs > 63)
|
|
goto chs_fail;
|
|
if (*p == ',') {
|
|
p++;
|
|
if (!strcmp(p, "none"))
|
|
translation = BIOS_ATA_TRANSLATION_NONE;
|
|
else if (!strcmp(p, "lba"))
|
|
translation = BIOS_ATA_TRANSLATION_LBA;
|
|
else if (!strcmp(p, "auto"))
|
|
translation = BIOS_ATA_TRANSLATION_AUTO;
|
|
else
|
|
goto chs_fail;
|
|
} else if (*p != '\0') {
|
|
chs_fail:
|
|
fprintf(stderr, "qemu: invalid physical CHS format\n");
|
|
exit(1);
|
|
}
|
|
if (hda_opts != NULL) {
|
|
char num[16];
|
|
snprintf(num, sizeof(num), "%d", cyls);
|
|
qemu_opt_set(hda_opts, "cyls", num);
|
|
snprintf(num, sizeof(num), "%d", heads);
|
|
qemu_opt_set(hda_opts, "heads", num);
|
|
snprintf(num, sizeof(num), "%d", secs);
|
|
qemu_opt_set(hda_opts, "secs", num);
|
|
if (translation == BIOS_ATA_TRANSLATION_LBA)
|
|
qemu_opt_set(hda_opts, "trans", "lba");
|
|
if (translation == BIOS_ATA_TRANSLATION_NONE)
|
|
qemu_opt_set(hda_opts, "trans", "none");
|
|
}
|
|
}
|
|
break;
|
|
case QEMU_OPTION_numa:
|
|
if (nb_numa_nodes >= MAX_NODES) {
|
|
fprintf(stderr, "qemu: too many NUMA nodes\n");
|
|
exit(1);
|
|
}
|
|
numa_add(optarg);
|
|
break;
|
|
case QEMU_OPTION_display:
|
|
display_type = select_display(optarg);
|
|
break;
|
|
case QEMU_OPTION_nographic:
|
|
display_type = DT_NOGRAPHIC;
|
|
break;
|
|
case QEMU_OPTION_curses:
|
|
#ifdef CONFIG_CURSES
|
|
display_type = DT_CURSES;
|
|
#else
|
|
fprintf(stderr, "Curses support is disabled\n");
|
|
exit(1);
|
|
#endif
|
|
break;
|
|
case QEMU_OPTION_portrait:
|
|
graphic_rotate = 90;
|
|
break;
|
|
case QEMU_OPTION_rotate:
|
|
graphic_rotate = strtol(optarg, (char **) &optarg, 10);
|
|
if (graphic_rotate != 0 && graphic_rotate != 90 &&
|
|
graphic_rotate != 180 && graphic_rotate != 270) {
|
|
fprintf(stderr,
|
|
"qemu: only 90, 180, 270 deg rotation is available\n");
|
|
exit(1);
|
|
}
|
|
break;
|
|
case QEMU_OPTION_kernel:
|
|
qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg);
|
|
break;
|
|
case QEMU_OPTION_initrd:
|
|
qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg);
|
|
break;
|
|
case QEMU_OPTION_append:
|
|
qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg);
|
|
break;
|
|
case QEMU_OPTION_dtb:
|
|
qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg);
|
|
break;
|
|
case QEMU_OPTION_cdrom:
|
|
drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
|
|
break;
|
|
case QEMU_OPTION_boot:
|
|
{
|
|
static const char * const params[] = {
|
|
"order", "once", "menu",
|
|
"splash", "splash-time",
|
|
"reboot-timeout", NULL
|
|
};
|
|
char buf[sizeof(boot_devices)];
|
|
char *standard_boot_devices;
|
|
int legacy = 0;
|
|
|
|
if (!strchr(optarg, '=')) {
|
|
legacy = 1;
|
|
pstrcpy(buf, sizeof(buf), optarg);
|
|
} else if (check_params(buf, sizeof(buf), params, optarg) < 0) {
|
|
fprintf(stderr,
|
|
"qemu: unknown boot parameter '%s' in '%s'\n",
|
|
buf, optarg);
|
|
exit(1);
|
|
}
|
|
|
|
if (legacy ||
|
|
get_param_value(buf, sizeof(buf), "order", optarg)) {
|
|
validate_bootdevices(buf);
|
|
pstrcpy(boot_devices, sizeof(boot_devices), buf);
|
|
}
|
|
if (!legacy) {
|
|
if (get_param_value(buf, sizeof(buf),
|
|
"once", optarg)) {
|
|
validate_bootdevices(buf);
|
|
standard_boot_devices = g_strdup(boot_devices);
|
|
pstrcpy(boot_devices, sizeof(boot_devices), buf);
|
|
qemu_register_reset(restore_boot_devices,
|
|
standard_boot_devices);
|
|
}
|
|
if (get_param_value(buf, sizeof(buf),
|
|
"menu", optarg)) {
|
|
if (!strcmp(buf, "on")) {
|
|
boot_menu = 1;
|
|
} else if (!strcmp(buf, "off")) {
|
|
boot_menu = 0;
|
|
} else {
|
|
fprintf(stderr,
|
|
"qemu: invalid option value '%s'\n",
|
|
buf);
|
|
exit(1);
|
|
}
|
|
}
|
|
qemu_opts_parse(qemu_find_opts("boot-opts"),
|
|
optarg, 0);
|
|
}
|
|
}
|
|
break;
|
|
case QEMU_OPTION_fda:
|
|
case QEMU_OPTION_fdb:
|
|
drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
|
|
optarg, FD_OPTS);
|
|
break;
|
|
case QEMU_OPTION_no_fd_bootchk:
|
|
fd_bootchk = 0;
|
|
break;
|
|
case QEMU_OPTION_netdev:
|
|
if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
|
|
exit(1);
|
|
}
|
|
break;
|
|
case QEMU_OPTION_net:
|
|
if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
|
|
exit(1);
|
|
}
|
|
break;
|
|
#ifdef CONFIG_LIBISCSI
|
|
case QEMU_OPTION_iscsi:
|
|
opts = qemu_opts_parse(qemu_find_opts("iscsi"), optarg, 0);
|
|
if (!opts) {
|
|
exit(1);
|
|
}
|
|
break;
|
|
#endif
|
|
#ifdef CONFIG_SLIRP
|
|
case QEMU_OPTION_tftp:
|
|
legacy_tftp_prefix = optarg;
|
|
break;
|
|
case QEMU_OPTION_bootp:
|
|
legacy_bootp_filename = optarg;
|
|
break;
|
|
case QEMU_OPTION_redir:
|
|
if (net_slirp_redir(optarg) < 0)
|
|
exit(1);
|
|
break;
|
|
#endif
|
|
case QEMU_OPTION_bt:
|
|
add_device_config(DEV_BT, optarg);
|
|
break;
|
|
case QEMU_OPTION_audio_help:
|
|
if (!(audio_available())) {
|
|
printf("Option %s not supported for this target\n", popt->name);
|
|
exit(1);
|
|
}
|
|
AUD_help ();
|
|
exit (0);
|
|
break;
|
|
case QEMU_OPTION_soundhw:
|
|
if (!(audio_available())) {
|
|
printf("Option %s not supported for this target\n", popt->name);
|
|
exit(1);
|
|
}
|
|
select_soundhw (optarg);
|
|
break;
|
|
case QEMU_OPTION_h:
|
|
help(0);
|
|
break;
|
|
case QEMU_OPTION_version:
|
|
version();
|
|
exit(0);
|
|
break;
|
|
case QEMU_OPTION_m: {
|
|
int64_t value;
|
|
uint64_t sz;
|
|
char *end;
|
|
|
|
value = strtosz(optarg, &end);
|
|
if (value < 0 || *end) {
|
|
fprintf(stderr, "qemu: invalid ram size: %s\n", optarg);
|
|
exit(1);
|
|
}
|
|
sz = QEMU_ALIGN_UP((uint64_t)value, 8192);
|
|
ram_size = sz;
|
|
if (ram_size != sz) {
|
|
fprintf(stderr, "qemu: ram size too large\n");
|
|
exit(1);
|
|
}
|
|
break;
|
|
}
|
|
case QEMU_OPTION_mempath:
|
|
mem_path = optarg;
|
|
break;
|
|
#ifdef MAP_POPULATE
|
|
case QEMU_OPTION_mem_prealloc:
|
|
mem_prealloc = 1;
|
|
break;
|
|
#endif
|
|
case QEMU_OPTION_d:
|
|
log_mask = optarg;
|
|
break;
|
|
case QEMU_OPTION_D:
|
|
log_file = optarg;
|
|
break;
|
|
case QEMU_OPTION_s:
|
|
add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
|
|
break;
|
|
case QEMU_OPTION_gdb:
|
|
add_device_config(DEV_GDB, optarg);
|
|
break;
|
|
case QEMU_OPTION_L:
|
|
data_dir = optarg;
|
|
break;
|
|
case QEMU_OPTION_bios:
|
|
bios_name = optarg;
|
|
break;
|
|
case QEMU_OPTION_singlestep:
|
|
singlestep = 1;
|
|
break;
|
|
case QEMU_OPTION_S:
|
|
autostart = 0;
|
|
break;
|
|
case QEMU_OPTION_k:
|
|
keyboard_layout = optarg;
|
|
break;
|
|
case QEMU_OPTION_localtime:
|
|
rtc_utc = 0;
|
|
break;
|
|
case QEMU_OPTION_vga:
|
|
vga_model = optarg;
|
|
default_vga = 0;
|
|
break;
|
|
case QEMU_OPTION_g:
|
|
{
|
|
const char *p;
|
|
int w, h, depth;
|
|
p = optarg;
|
|
w = strtol(p, (char **)&p, 10);
|
|
if (w <= 0) {
|
|
graphic_error:
|
|
fprintf(stderr, "qemu: invalid resolution or depth\n");
|
|
exit(1);
|
|
}
|
|
if (*p != 'x')
|
|
goto graphic_error;
|
|
p++;
|
|
h = strtol(p, (char **)&p, 10);
|
|
if (h <= 0)
|
|
goto graphic_error;
|
|
if (*p == 'x') {
|
|
p++;
|
|
depth = strtol(p, (char **)&p, 10);
|
|
if (depth != 8 && depth != 15 && depth != 16 &&
|
|
depth != 24 && depth != 32)
|
|
goto graphic_error;
|
|
} else if (*p == '\0') {
|
|
depth = graphic_depth;
|
|
} else {
|
|
goto graphic_error;
|
|
}
|
|
|
|
graphic_width = w;
|
|
graphic_height = h;
|
|
graphic_depth = depth;
|
|
}
|
|
break;
|
|
case QEMU_OPTION_echr:
|
|
{
|
|
char *r;
|
|
term_escape_char = strtol(optarg, &r, 0);
|
|
if (r == optarg)
|
|
printf("Bad argument to echr\n");
|
|
break;
|
|
}
|
|
case QEMU_OPTION_monitor:
|
|
monitor_parse(optarg, "readline");
|
|
default_monitor = 0;
|
|
break;
|
|
case QEMU_OPTION_qmp:
|
|
monitor_parse(optarg, "control");
|
|
default_monitor = 0;
|
|
break;
|
|
case QEMU_OPTION_mon:
|
|
opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
|
|
if (!opts) {
|
|
exit(1);
|
|
}
|
|
default_monitor = 0;
|
|
break;
|
|
case QEMU_OPTION_chardev:
|
|
opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
|
|
if (!opts) {
|
|
exit(1);
|
|
}
|
|
break;
|
|
case QEMU_OPTION_fsdev:
|
|
olist = qemu_find_opts("fsdev");
|
|
if (!olist) {
|
|
fprintf(stderr, "fsdev is not supported by this qemu build.\n");
|
|
exit(1);
|
|
}
|
|
opts = qemu_opts_parse(olist, optarg, 1);
|
|
if (!opts) {
|
|
fprintf(stderr, "parse error: %s\n", optarg);
|
|
exit(1);
|
|
}
|
|
break;
|
|
case QEMU_OPTION_virtfs: {
|
|
QemuOpts *fsdev;
|
|
QemuOpts *device;
|
|
const char *writeout, *sock_fd, *socket;
|
|
|
|
olist = qemu_find_opts("virtfs");
|
|
if (!olist) {
|
|
fprintf(stderr, "virtfs is not supported by this qemu build.\n");
|
|
exit(1);
|
|
}
|
|
opts = qemu_opts_parse(olist, optarg, 1);
|
|
if (!opts) {
|
|
fprintf(stderr, "parse error: %s\n", optarg);
|
|
exit(1);
|
|
}
|
|
|
|
if (qemu_opt_get(opts, "fsdriver") == NULL ||
|
|
qemu_opt_get(opts, "mount_tag") == NULL) {
|
|
fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
|
|
exit(1);
|
|
}
|
|
fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
|
|
qemu_opt_get(opts, "mount_tag"),
|
|
1, NULL);
|
|
if (!fsdev) {
|
|
fprintf(stderr, "duplicate fsdev id: %s\n",
|
|
qemu_opt_get(opts, "mount_tag"));
|
|
exit(1);
|
|
}
|
|
|
|
writeout = qemu_opt_get(opts, "writeout");
|
|
if (writeout) {
|
|
#ifdef CONFIG_SYNC_FILE_RANGE
|
|
qemu_opt_set(fsdev, "writeout", writeout);
|
|
#else
|
|
fprintf(stderr, "writeout=immediate not supported on "
|
|
"this platform\n");
|
|
exit(1);
|
|
#endif
|
|
}
|
|
qemu_opt_set(fsdev, "fsdriver", qemu_opt_get(opts, "fsdriver"));
|
|
qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"));
|
|
qemu_opt_set(fsdev, "security_model",
|
|
qemu_opt_get(opts, "security_model"));
|
|
socket = qemu_opt_get(opts, "socket");
|
|
if (socket) {
|
|
qemu_opt_set(fsdev, "socket", socket);
|
|
}
|
|
sock_fd = qemu_opt_get(opts, "sock_fd");
|
|
if (sock_fd) {
|
|
qemu_opt_set(fsdev, "sock_fd", sock_fd);
|
|
}
|
|
|
|
qemu_opt_set_bool(fsdev, "readonly",
|
|
qemu_opt_get_bool(opts, "readonly", 0));
|
|
device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
|
|
NULL);
|
|
qemu_opt_set(device, "driver", "virtio-9p-pci");
|
|
qemu_opt_set(device, "fsdev",
|
|
qemu_opt_get(opts, "mount_tag"));
|
|
qemu_opt_set(device, "mount_tag",
|
|
qemu_opt_get(opts, "mount_tag"));
|
|
break;
|
|
}
|
|
case QEMU_OPTION_virtfs_synth: {
|
|
QemuOpts *fsdev;
|
|
QemuOpts *device;
|
|
|
|
fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
|
|
1, NULL);
|
|
if (!fsdev) {
|
|
fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
|
|
exit(1);
|
|
}
|
|
qemu_opt_set(fsdev, "fsdriver", "synth");
|
|
|
|
device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
|
|
NULL);
|
|
qemu_opt_set(device, "driver", "virtio-9p-pci");
|
|
qemu_opt_set(device, "fsdev", "v_synth");
|
|
qemu_opt_set(device, "mount_tag", "v_synth");
|
|
break;
|
|
}
|
|
case QEMU_OPTION_serial:
|
|
add_device_config(DEV_SERIAL, optarg);
|
|
default_serial = 0;
|
|
if (strncmp(optarg, "mon:", 4) == 0) {
|
|
default_monitor = 0;
|
|
}
|
|
break;
|
|
case QEMU_OPTION_watchdog:
|
|
if (watchdog) {
|
|
fprintf(stderr,
|
|
"qemu: only one watchdog option may be given\n");
|
|
return 1;
|
|
}
|
|
watchdog = optarg;
|
|
break;
|
|
case QEMU_OPTION_watchdog_action:
|
|
if (select_watchdog_action(optarg) == -1) {
|
|
fprintf(stderr, "Unknown -watchdog-action parameter\n");
|
|
exit(1);
|
|
}
|
|
break;
|
|
case QEMU_OPTION_virtiocon:
|
|
add_device_config(DEV_VIRTCON, optarg);
|
|
default_virtcon = 0;
|
|
if (strncmp(optarg, "mon:", 4) == 0) {
|
|
default_monitor = 0;
|
|
}
|
|
break;
|
|
case QEMU_OPTION_parallel:
|
|
add_device_config(DEV_PARALLEL, optarg);
|
|
default_parallel = 0;
|
|
if (strncmp(optarg, "mon:", 4) == 0) {
|
|
default_monitor = 0;
|
|
}
|
|
break;
|
|
case QEMU_OPTION_debugcon:
|
|
add_device_config(DEV_DEBUGCON, optarg);
|
|
break;
|
|
case QEMU_OPTION_loadvm:
|
|
loadvm = optarg;
|
|
break;
|
|
case QEMU_OPTION_full_screen:
|
|
full_screen = 1;
|
|
break;
|
|
#ifdef CONFIG_SDL
|
|
case QEMU_OPTION_no_frame:
|
|
no_frame = 1;
|
|
break;
|
|
case QEMU_OPTION_alt_grab:
|
|
alt_grab = 1;
|
|
break;
|
|
case QEMU_OPTION_ctrl_grab:
|
|
ctrl_grab = 1;
|
|
break;
|
|
case QEMU_OPTION_no_quit:
|
|
no_quit = 1;
|
|
break;
|
|
case QEMU_OPTION_sdl:
|
|
display_type = DT_SDL;
|
|
break;
|
|
#else
|
|
case QEMU_OPTION_no_frame:
|
|
case QEMU_OPTION_alt_grab:
|
|
case QEMU_OPTION_ctrl_grab:
|
|
case QEMU_OPTION_no_quit:
|
|
case QEMU_OPTION_sdl:
|
|
fprintf(stderr, "SDL support is disabled\n");
|
|
exit(1);
|
|
#endif
|
|
case QEMU_OPTION_pidfile:
|
|
pid_file = optarg;
|
|
break;
|
|
case QEMU_OPTION_win2k_hack:
|
|
win2k_install_hack = 1;
|
|
break;
|
|
case QEMU_OPTION_rtc_td_hack: {
|
|
static GlobalProperty slew_lost_ticks[] = {
|
|
{
|
|
.driver = "mc146818rtc",
|
|
.property = "lost_tick_policy",
|
|
.value = "slew",
|
|
},
|
|
{ /* end of list */ }
|
|
};
|
|
|
|
qdev_prop_register_global_list(slew_lost_ticks);
|
|
break;
|
|
}
|
|
case QEMU_OPTION_acpitable:
|
|
do_acpitable_option(optarg);
|
|
break;
|
|
case QEMU_OPTION_smbios:
|
|
do_smbios_option(optarg);
|
|
break;
|
|
case QEMU_OPTION_enable_kvm:
|
|
olist = qemu_find_opts("machine");
|
|
qemu_opts_parse(olist, "accel=kvm", 0);
|
|
break;
|
|
case QEMU_OPTION_machine:
|
|
olist = qemu_find_opts("machine");
|
|
opts = qemu_opts_parse(olist, optarg, 1);
|
|
if (!opts) {
|
|
fprintf(stderr, "parse error: %s\n", optarg);
|
|
exit(1);
|
|
}
|
|
optarg = qemu_opt_get(opts, "type");
|
|
if (optarg) {
|
|
machine = machine_parse(optarg);
|
|
}
|
|
break;
|
|
case QEMU_OPTION_usb:
|
|
machine_opts = qemu_opts_find(qemu_find_opts("machine"), 0);
|
|
if (machine_opts) {
|
|
qemu_opt_set_bool(machine_opts, "usb", true);
|
|
}
|
|
break;
|
|
case QEMU_OPTION_usbdevice:
|
|
machine_opts = qemu_opts_find(qemu_find_opts("machine"), 0);
|
|
if (machine_opts) {
|
|
qemu_opt_set_bool(machine_opts, "usb", true);
|
|
}
|
|
add_device_config(DEV_USB, optarg);
|
|
break;
|
|
case QEMU_OPTION_device:
|
|
if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
|
|
exit(1);
|
|
}
|
|
break;
|
|
case QEMU_OPTION_smp:
|
|
smp_parse(optarg);
|
|
if (smp_cpus < 1) {
|
|
fprintf(stderr, "Invalid number of CPUs\n");
|
|
exit(1);
|
|
}
|
|
if (max_cpus < smp_cpus) {
|
|
fprintf(stderr, "maxcpus must be equal to or greater than "
|
|
"smp\n");
|
|
exit(1);
|
|
}
|
|
if (max_cpus > 255) {
|
|
fprintf(stderr, "Unsupported number of maxcpus\n");
|
|
exit(1);
|
|
}
|
|
break;
|
|
case QEMU_OPTION_vnc:
|
|
#ifdef CONFIG_VNC
|
|
display_remote++;
|
|
vnc_display = optarg;
|
|
#else
|
|
fprintf(stderr, "VNC support is disabled\n");
|
|
exit(1);
|
|
#endif
|
|
break;
|
|
case QEMU_OPTION_no_acpi:
|
|
acpi_enabled = 0;
|
|
break;
|
|
case QEMU_OPTION_no_hpet:
|
|
no_hpet = 1;
|
|
break;
|
|
case QEMU_OPTION_balloon:
|
|
if (balloon_parse(optarg) < 0) {
|
|
fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
|
|
exit(1);
|
|
}
|
|
break;
|
|
case QEMU_OPTION_no_reboot:
|
|
no_reboot = 1;
|
|
break;
|
|
case QEMU_OPTION_no_shutdown:
|
|
no_shutdown = 1;
|
|
break;
|
|
case QEMU_OPTION_show_cursor:
|
|
cursor_hide = 0;
|
|
break;
|
|
case QEMU_OPTION_uuid:
|
|
if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
|
|
fprintf(stderr, "Fail to parse UUID string."
|
|
" Wrong format.\n");
|
|
exit(1);
|
|
}
|
|
break;
|
|
case QEMU_OPTION_option_rom:
|
|
if (nb_option_roms >= MAX_OPTION_ROMS) {
|
|
fprintf(stderr, "Too many option ROMs\n");
|
|
exit(1);
|
|
}
|
|
opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
|
|
option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
|
|
option_rom[nb_option_roms].bootindex =
|
|
qemu_opt_get_number(opts, "bootindex", -1);
|
|
if (!option_rom[nb_option_roms].name) {
|
|
fprintf(stderr, "Option ROM file is not specified\n");
|
|
exit(1);
|
|
}
|
|
nb_option_roms++;
|
|
break;
|
|
case QEMU_OPTION_semihosting:
|
|
semihosting_enabled = 1;
|
|
break;
|
|
case QEMU_OPTION_name:
|
|
qemu_name = g_strdup(optarg);
|
|
{
|
|
char *p = strchr(qemu_name, ',');
|
|
if (p != NULL) {
|
|
*p++ = 0;
|
|
if (strncmp(p, "process=", 8)) {
|
|
fprintf(stderr, "Unknown subargument %s to -name\n", p);
|
|
exit(1);
|
|
}
|
|
p += 8;
|
|
os_set_proc_name(p);
|
|
}
|
|
}
|
|
break;
|
|
case QEMU_OPTION_prom_env:
|
|
if (nb_prom_envs >= MAX_PROM_ENVS) {
|
|
fprintf(stderr, "Too many prom variables\n");
|
|
exit(1);
|
|
}
|
|
prom_envs[nb_prom_envs] = optarg;
|
|
nb_prom_envs++;
|
|
break;
|
|
case QEMU_OPTION_old_param:
|
|
old_param = 1;
|
|
break;
|
|
case QEMU_OPTION_clock:
|
|
configure_alarms(optarg);
|
|
break;
|
|
case QEMU_OPTION_startdate:
|
|
configure_rtc_date_offset(optarg, 1);
|
|
break;
|
|
case QEMU_OPTION_rtc:
|
|
opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
|
|
if (!opts) {
|
|
exit(1);
|
|
}
|
|
configure_rtc(opts);
|
|
break;
|
|
case QEMU_OPTION_tb_size:
|
|
tcg_tb_size = strtol(optarg, NULL, 0);
|
|
if (tcg_tb_size < 0) {
|
|
tcg_tb_size = 0;
|
|
}
|
|
break;
|
|
case QEMU_OPTION_icount:
|
|
icount_option = optarg;
|
|
break;
|
|
case QEMU_OPTION_incoming:
|
|
incoming = optarg;
|
|
runstate_set(RUN_STATE_INMIGRATE);
|
|
break;
|
|
case QEMU_OPTION_nodefaults:
|
|
default_serial = 0;
|
|
default_parallel = 0;
|
|
default_virtcon = 0;
|
|
default_monitor = 0;
|
|
default_net = 0;
|
|
default_floppy = 0;
|
|
default_cdrom = 0;
|
|
default_sdcard = 0;
|
|
default_vga = 0;
|
|
break;
|
|
case QEMU_OPTION_xen_domid:
|
|
if (!(xen_available())) {
|
|
printf("Option %s not supported for this target\n", popt->name);
|
|
exit(1);
|
|
}
|
|
xen_domid = atoi(optarg);
|
|
break;
|
|
case QEMU_OPTION_xen_create:
|
|
if (!(xen_available())) {
|
|
printf("Option %s not supported for this target\n", popt->name);
|
|
exit(1);
|
|
}
|
|
xen_mode = XEN_CREATE;
|
|
break;
|
|
case QEMU_OPTION_xen_attach:
|
|
if (!(xen_available())) {
|
|
printf("Option %s not supported for this target\n", popt->name);
|
|
exit(1);
|
|
}
|
|
xen_mode = XEN_ATTACH;
|
|
break;
|
|
case QEMU_OPTION_trace:
|
|
{
|
|
opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
|
|
if (!opts) {
|
|
exit(1);
|
|
}
|
|
trace_events = qemu_opt_get(opts, "events");
|
|
trace_file = qemu_opt_get(opts, "file");
|
|
break;
|
|
}
|
|
case QEMU_OPTION_readconfig:
|
|
{
|
|
int ret = qemu_read_config_file(optarg);
|
|
if (ret < 0) {
|
|
fprintf(stderr, "read config %s: %s\n", optarg,
|
|
strerror(-ret));
|
|
exit(1);
|
|
}
|
|
break;
|
|
}
|
|
case QEMU_OPTION_spice:
|
|
olist = qemu_find_opts("spice");
|
|
if (!olist) {
|
|
fprintf(stderr, "spice is not supported by this qemu build.\n");
|
|
exit(1);
|
|
}
|
|
opts = qemu_opts_parse(olist, optarg, 0);
|
|
if (!opts) {
|
|
fprintf(stderr, "parse error: %s\n", optarg);
|
|
exit(1);
|
|
}
|
|
break;
|
|
case QEMU_OPTION_writeconfig:
|
|
{
|
|
FILE *fp;
|
|
if (strcmp(optarg, "-") == 0) {
|
|
fp = stdout;
|
|
} else {
|
|
fp = fopen(optarg, "w");
|
|
if (fp == NULL) {
|
|
fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
|
|
exit(1);
|
|
}
|
|
}
|
|
qemu_config_write(fp);
|
|
fclose(fp);
|
|
break;
|
|
}
|
|
case QEMU_OPTION_qtest:
|
|
qtest_chrdev = optarg;
|
|
break;
|
|
case QEMU_OPTION_qtest_log:
|
|
qtest_log = optarg;
|
|
break;
|
|
case QEMU_OPTION_sandbox:
|
|
opts = qemu_opts_parse(qemu_find_opts("sandbox"), optarg, 1);
|
|
if (!opts) {
|
|
exit(0);
|
|
}
|
|
break;
|
|
case QEMU_OPTION_add_fd:
|
|
#ifndef _WIN32
|
|
opts = qemu_opts_parse(qemu_find_opts("add-fd"), optarg, 0);
|
|
if (!opts) {
|
|
exit(0);
|
|
}
|
|
#else
|
|
error_report("File descriptor passing is disabled on this "
|
|
"platform");
|
|
exit(1);
|
|
#endif
|
|
break;
|
|
default:
|
|
os_parse_cmd_args(popt->index, optarg);
|
|
}
|
|
}
|
|
}
|
|
loc_set_none();
|
|
|
|
qemu_init_cpu_loop();
|
|
if (qemu_init_main_loop()) {
|
|
fprintf(stderr, "qemu_init_main_loop failed\n");
|
|
exit(1);
|
|
}
|
|
|
|
if (qemu_opts_foreach(qemu_find_opts("sandbox"), parse_sandbox, NULL, 0)) {
|
|
exit(1);
|
|
}
|
|
|
|
#ifndef _WIN32
|
|
if (qemu_opts_foreach(qemu_find_opts("add-fd"), parse_add_fd, NULL, 1)) {
|
|
exit(1);
|
|
}
|
|
|
|
if (qemu_opts_foreach(qemu_find_opts("add-fd"), cleanup_add_fd, NULL, 1)) {
|
|
exit(1);
|
|
}
|
|
#endif
|
|
|
|
if (machine == NULL) {
|
|
fprintf(stderr, "No machine found.\n");
|
|
exit(1);
|
|
}
|
|
|
|
if (machine->hw_version) {
|
|
qemu_set_version(machine->hw_version);
|
|
}
|
|
|
|
/* Init CPU def lists, based on config
|
|
* - Must be called after all the qemu_read_config_file() calls
|
|
* - Must be called before list_cpus()
|
|
* - Must be called before machine->init()
|
|
*/
|
|
cpudef_init();
|
|
|
|
if (cpu_model && is_help_option(cpu_model)) {
|
|
list_cpus(stdout, &fprintf, cpu_model);
|
|
exit(0);
|
|
}
|
|
|
|
/* Open the logfile at this point, if necessary. We can't open the logfile
|
|
* when encountering either of the logging options (-d or -D) because the
|
|
* other one may be encountered later on the command line, changing the
|
|
* location or level of logging.
|
|
*/
|
|
if (log_mask) {
|
|
if (log_file) {
|
|
set_cpu_log_filename(log_file);
|
|
}
|
|
set_cpu_log(log_mask);
|
|
}
|
|
|
|
if (!trace_backend_init(trace_events, trace_file)) {
|
|
exit(1);
|
|
}
|
|
|
|
/* If no data_dir is specified then try to find it relative to the
|
|
executable path. */
|
|
if (!data_dir) {
|
|
data_dir = os_find_datadir(argv[0]);
|
|
}
|
|
/* If all else fails use the install path specified when building. */
|
|
if (!data_dir) {
|
|
data_dir = CONFIG_QEMU_DATADIR;
|
|
}
|
|
|
|
/*
|
|
* Default to max_cpus = smp_cpus, in case the user doesn't
|
|
* specify a max_cpus value.
|
|
*/
|
|
if (!max_cpus)
|
|
max_cpus = smp_cpus;
|
|
|
|
machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */
|
|
if (smp_cpus > machine->max_cpus) {
|
|
fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
|
|
"supported by machine `%s' (%d)\n", smp_cpus, machine->name,
|
|
machine->max_cpus);
|
|
exit(1);
|
|
}
|
|
|
|
/*
|
|
* Get the default machine options from the machine if it is not already
|
|
* specified either by the configuration file or by the command line.
|
|
*/
|
|
if (machine->default_machine_opts) {
|
|
qemu_opts_set_defaults(qemu_find_opts("machine"),
|
|
machine->default_machine_opts, 0);
|
|
}
|
|
|
|
qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
|
|
qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
|
|
|
|
if (machine->no_serial) {
|
|
default_serial = 0;
|
|
}
|
|
if (machine->no_parallel) {
|
|
default_parallel = 0;
|
|
}
|
|
if (!machine->use_virtcon) {
|
|
default_virtcon = 0;
|
|
}
|
|
if (machine->no_floppy) {
|
|
default_floppy = 0;
|
|
}
|
|
if (machine->no_cdrom) {
|
|
default_cdrom = 0;
|
|
}
|
|
if (machine->no_sdcard) {
|
|
default_sdcard = 0;
|
|
}
|
|
|
|
if (display_type == DT_NOGRAPHIC) {
|
|
if (default_parallel)
|
|
add_device_config(DEV_PARALLEL, "null");
|
|
if (default_serial && default_monitor) {
|
|
add_device_config(DEV_SERIAL, "mon:stdio");
|
|
} else if (default_virtcon && default_monitor) {
|
|
add_device_config(DEV_VIRTCON, "mon:stdio");
|
|
} else {
|
|
if (default_serial)
|
|
add_device_config(DEV_SERIAL, "stdio");
|
|
if (default_virtcon)
|
|
add_device_config(DEV_VIRTCON, "stdio");
|
|
if (default_monitor)
|
|
monitor_parse("stdio", "readline");
|
|
}
|
|
} else {
|
|
if (default_serial)
|
|
add_device_config(DEV_SERIAL, "vc:80Cx24C");
|
|
if (default_parallel)
|
|
add_device_config(DEV_PARALLEL, "vc:80Cx24C");
|
|
if (default_monitor)
|
|
monitor_parse("vc:80Cx24C", "readline");
|
|
if (default_virtcon)
|
|
add_device_config(DEV_VIRTCON, "vc:80Cx24C");
|
|
}
|
|
|
|
socket_init();
|
|
|
|
if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
|
|
exit(1);
|
|
#ifdef CONFIG_VIRTFS
|
|
if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
|
|
exit(1);
|
|
}
|
|
#endif
|
|
|
|
os_daemonize();
|
|
|
|
if (pid_file && qemu_create_pidfile(pid_file) != 0) {
|
|
os_pidfile_error();
|
|
exit(1);
|
|
}
|
|
|
|
/* init the memory */
|
|
if (ram_size == 0) {
|
|
ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
|
|
}
|
|
|
|
if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0)
|
|
!= 0) {
|
|
exit(0);
|
|
}
|
|
|
|
configure_accelerator();
|
|
|
|
machine_opts = qemu_opts_find(qemu_find_opts("machine"), 0);
|
|
if (machine_opts) {
|
|
kernel_filename = qemu_opt_get(machine_opts, "kernel");
|
|
initrd_filename = qemu_opt_get(machine_opts, "initrd");
|
|
kernel_cmdline = qemu_opt_get(machine_opts, "append");
|
|
} else {
|
|
kernel_filename = initrd_filename = kernel_cmdline = NULL;
|
|
}
|
|
|
|
if (!kernel_cmdline) {
|
|
kernel_cmdline = "";
|
|
}
|
|
|
|
linux_boot = (kernel_filename != NULL);
|
|
|
|
if (!linux_boot && *kernel_cmdline != '\0') {
|
|
fprintf(stderr, "-append only allowed with -kernel option\n");
|
|
exit(1);
|
|
}
|
|
|
|
if (!linux_boot && initrd_filename != NULL) {
|
|
fprintf(stderr, "-initrd only allowed with -kernel option\n");
|
|
exit(1);
|
|
}
|
|
|
|
if (!linux_boot && machine_opts && qemu_opt_get(machine_opts, "dtb")) {
|
|
fprintf(stderr, "-dtb only allowed with -kernel option\n");
|
|
exit(1);
|
|
}
|
|
|
|
os_set_line_buffering();
|
|
|
|
if (init_timer_alarm() < 0) {
|
|
fprintf(stderr, "could not initialize alarm timer\n");
|
|
exit(1);
|
|
}
|
|
|
|
#ifdef CONFIG_SPICE
|
|
/* spice needs the timers to be initialized by this point */
|
|
qemu_spice_init();
|
|
#endif
|
|
|
|
if (icount_option && (kvm_enabled() || xen_enabled())) {
|
|
fprintf(stderr, "-icount is not allowed with kvm or xen\n");
|
|
exit(1);
|
|
}
|
|
configure_icount(icount_option);
|
|
|
|
if (net_init_clients() < 0) {
|
|
exit(1);
|
|
}
|
|
|
|
/* init the bluetooth world */
|
|
if (foreach_device_config(DEV_BT, bt_parse))
|
|
exit(1);
|
|
|
|
if (!xen_enabled()) {
|
|
/* On 32-bit hosts, QEMU is limited by virtual address space */
|
|
if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
|
|
fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
|
|
exit(1);
|
|
}
|
|
}
|
|
|
|
cpu_exec_init_all();
|
|
|
|
bdrv_init_with_whitelist();
|
|
|
|
blk_mig_init();
|
|
|
|
/* open the virtual block devices */
|
|
if (snapshot)
|
|
qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
|
|
if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func, &machine->use_scsi, 1) != 0)
|
|
exit(1);
|
|
|
|
default_drive(default_cdrom, snapshot, machine->use_scsi,
|
|
IF_DEFAULT, 2, CDROM_OPTS);
|
|
default_drive(default_floppy, snapshot, machine->use_scsi,
|
|
IF_FLOPPY, 0, FD_OPTS);
|
|
default_drive(default_sdcard, snapshot, machine->use_scsi,
|
|
IF_SD, 0, SD_OPTS);
|
|
|
|
register_savevm_live(NULL, "ram", 0, 4, &savevm_ram_handlers, NULL);
|
|
|
|
if (nb_numa_nodes > 0) {
|
|
int i;
|
|
|
|
if (nb_numa_nodes > MAX_NODES) {
|
|
nb_numa_nodes = MAX_NODES;
|
|
}
|
|
|
|
/* If no memory size if given for any node, assume the default case
|
|
* and distribute the available memory equally across all nodes
|
|
*/
|
|
for (i = 0; i < nb_numa_nodes; i++) {
|
|
if (node_mem[i] != 0)
|
|
break;
|
|
}
|
|
if (i == nb_numa_nodes) {
|
|
uint64_t usedmem = 0;
|
|
|
|
/* On Linux, the each node's border has to be 8MB aligned,
|
|
* the final node gets the rest.
|
|
*/
|
|
for (i = 0; i < nb_numa_nodes - 1; i++) {
|
|
node_mem[i] = (ram_size / nb_numa_nodes) & ~((1 << 23UL) - 1);
|
|
usedmem += node_mem[i];
|
|
}
|
|
node_mem[i] = ram_size - usedmem;
|
|
}
|
|
|
|
for (i = 0; i < nb_numa_nodes; i++) {
|
|
if (!bitmap_empty(node_cpumask[i], MAX_CPUMASK_BITS)) {
|
|
break;
|
|
}
|
|
}
|
|
/* assigning the VCPUs round-robin is easier to implement, guest OSes
|
|
* must cope with this anyway, because there are BIOSes out there in
|
|
* real machines which also use this scheme.
|
|
*/
|
|
if (i == nb_numa_nodes) {
|
|
for (i = 0; i < max_cpus; i++) {
|
|
set_bit(i, node_cpumask[i % nb_numa_nodes]);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
|
|
exit(1);
|
|
}
|
|
|
|
if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
|
|
exit(1);
|
|
if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
|
|
exit(1);
|
|
if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
|
|
exit(1);
|
|
if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
|
|
exit(1);
|
|
|
|
/* If no default VGA is requested, the default is "none". */
|
|
if (default_vga) {
|
|
if (cirrus_vga_available()) {
|
|
vga_model = "cirrus";
|
|
} else if (vga_available()) {
|
|
vga_model = "std";
|
|
}
|
|
}
|
|
select_vgahw(vga_model);
|
|
|
|
if (watchdog) {
|
|
i = select_watchdog(watchdog);
|
|
if (i > 0)
|
|
exit (i == 1 ? 1 : 0);
|
|
}
|
|
|
|
if (machine->compat_props) {
|
|
qdev_prop_register_global_list(machine->compat_props);
|
|
}
|
|
qemu_add_globals();
|
|
|
|
qdev_machine_init();
|
|
|
|
QEMUMachineInitArgs args = { .ram_size = ram_size,
|
|
.boot_device = boot_devices,
|
|
.kernel_filename = kernel_filename,
|
|
.kernel_cmdline = kernel_cmdline,
|
|
.initrd_filename = initrd_filename,
|
|
.cpu_model = cpu_model };
|
|
machine->init(&args);
|
|
|
|
cpu_synchronize_all_post_init();
|
|
|
|
set_numa_modes();
|
|
|
|
current_machine = machine;
|
|
|
|
/* init USB devices */
|
|
if (usb_enabled(false)) {
|
|
if (foreach_device_config(DEV_USB, usb_parse) < 0)
|
|
exit(1);
|
|
}
|
|
|
|
/* init generic devices */
|
|
if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
|
|
exit(1);
|
|
|
|
net_check_clients();
|
|
|
|
/* just use the first displaystate for the moment */
|
|
ds = get_displaystate();
|
|
|
|
if (using_spice)
|
|
display_remote++;
|
|
if (display_type == DT_DEFAULT && !display_remote) {
|
|
#if defined(CONFIG_SDL) || defined(CONFIG_COCOA)
|
|
display_type = DT_SDL;
|
|
#elif defined(CONFIG_VNC)
|
|
vnc_display = "localhost:0,to=99";
|
|
show_vnc_port = 1;
|
|
#else
|
|
display_type = DT_NONE;
|
|
#endif
|
|
}
|
|
|
|
|
|
/* init local displays */
|
|
switch (display_type) {
|
|
case DT_NOGRAPHIC:
|
|
break;
|
|
#if defined(CONFIG_CURSES)
|
|
case DT_CURSES:
|
|
if (!is_daemonized()) {
|
|
curses_display_init(ds, full_screen);
|
|
}
|
|
break;
|
|
#endif
|
|
#if defined(CONFIG_SDL)
|
|
case DT_SDL:
|
|
sdl_display_init(ds, full_screen, no_frame);
|
|
break;
|
|
#elif defined(CONFIG_COCOA)
|
|
case DT_SDL:
|
|
cocoa_display_init(ds, full_screen);
|
|
break;
|
|
#endif
|
|
default:
|
|
break;
|
|
}
|
|
|
|
/* must be after terminal init, SDL library changes signal handlers */
|
|
os_setup_signal_handling();
|
|
|
|
#ifdef CONFIG_VNC
|
|
/* init remote displays */
|
|
if (vnc_display) {
|
|
Error *local_err = NULL;
|
|
vnc_display_init(ds);
|
|
vnc_display_open(ds, vnc_display, &local_err);
|
|
if (local_err != NULL) {
|
|
fprintf(stderr, "Failed to start VNC server on `%s': %s\n",
|
|
vnc_display, error_get_pretty(local_err));
|
|
error_free(local_err);
|
|
exit(1);
|
|
}
|
|
|
|
if (show_vnc_port) {
|
|
printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
|
|
}
|
|
}
|
|
#endif
|
|
#ifdef CONFIG_SPICE
|
|
if (using_spice && !qxl_enabled) {
|
|
qemu_spice_display_init(ds);
|
|
}
|
|
#endif
|
|
|
|
/* display setup */
|
|
dpy_resize(ds);
|
|
dcl = ds->listeners;
|
|
while (dcl != NULL) {
|
|
if (dcl->dpy_refresh != NULL) {
|
|
ds->gui_timer = qemu_new_timer_ms(rt_clock, gui_update, ds);
|
|
qemu_mod_timer(ds->gui_timer, qemu_get_clock_ms(rt_clock));
|
|
break;
|
|
}
|
|
dcl = dcl->next;
|
|
}
|
|
text_consoles_set_display(ds);
|
|
|
|
if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
|
|
exit(1);
|
|
}
|
|
|
|
qdev_machine_creation_done();
|
|
|
|
if (rom_load_all() != 0) {
|
|
fprintf(stderr, "rom loading failed\n");
|
|
exit(1);
|
|
}
|
|
|
|
/* TODO: once all bus devices are qdevified, this should be done
|
|
* when bus is created by qdev.c */
|
|
qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
|
|
qemu_run_machine_init_done_notifiers();
|
|
|
|
qemu_system_reset(VMRESET_SILENT);
|
|
if (loadvm) {
|
|
if (load_vmstate(loadvm) < 0) {
|
|
autostart = 0;
|
|
}
|
|
}
|
|
|
|
if (incoming) {
|
|
Error *local_err = NULL;
|
|
qemu_start_incoming_migration(incoming, &local_err);
|
|
if (local_err) {
|
|
fprintf(stderr, "-incoming %s: %s\n", incoming, error_get_pretty(local_err));
|
|
error_free(local_err);
|
|
exit(1);
|
|
}
|
|
} else if (autostart) {
|
|
vm_start();
|
|
}
|
|
|
|
os_setup_post();
|
|
|
|
resume_all_vcpus();
|
|
main_loop();
|
|
bdrv_close_all();
|
|
pause_all_vcpus();
|
|
net_cleanup();
|
|
res_free();
|
|
|
|
return 0;
|
|
}
|