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/*
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* QEMU System Emulator
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*
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* Copyright (c) 2003-2008 Fabrice Bellard
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include <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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/* Needed early for CONFIG_BSD etc. */
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#include "config-host.h" |
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|
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#ifndef _WIN32
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#include <libgen.h> |
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#include <pwd.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 <libutil.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 <pty.h> |
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#include <malloc.h> |
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#include <sys/prctl.h> |
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#include <linux/ppdev.h> |
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#include <linux/parport.h> |
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#endif
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#ifdef __sun__
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#include <sys/stat.h> |
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#include <sys/ethernet.h> |
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#include <sys/sockio.h> |
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#include <netinet/arp.h> |
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#include <netinet/in.h> |
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#include <netinet/in_systm.h> |
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#include <netinet/ip.h> |
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#include <netinet/ip_icmp.h> // must come after ip.h |
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#include <netinet/udp.h> |
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#include <netinet/tcp.h> |
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#include <net/if.h> |
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#include <syslog.h> |
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#include <stropts.h> |
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/* See MySQL bug #7156 (http://bugs.mysql.com/bug.php?id=7156) for
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discussion about Solaris header problems */
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extern int madvise(caddr_t, size_t, int); |
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#endif
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#endif
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#endif
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#if defined(__OpenBSD__)
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#include <util.h> |
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#endif
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|
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#if defined(CONFIG_VDE)
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#include <libvdeplug.h> |
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#endif
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|
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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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|
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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 "hw/hw.h" |
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#include "hw/boards.h" |
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#include "hw/usb.h" |
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#include "hw/pcmcia.h" |
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#include "hw/pc.h" |
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#include "hw/audiodev.h" |
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#include "hw/isa.h" |
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#include "hw/baum.h" |
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#include "hw/bt.h" |
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#include "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 "block.h" |
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#include "block_int.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 "balloon.h" |
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#include "qemu-option.h" |
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#include "qemu-config.h" |
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#include "qemu-objects.h" |
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#include "disas.h" |
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#include "exec-all.h" |
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#include "qemu_socket.h" |
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#include "slirp/libslirp.h" |
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#include "qemu-queue.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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/* Note: drives_table[MAX_DRIVES] is a dummy block driver if none available
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to store the VM snapshots */
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struct drivelist drives = QTAILQ_HEAD_INITIALIZER(drives);
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struct driveoptlist driveopts = QTAILQ_HEAD_INITIALIZER(driveopts);
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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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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 vm_running;
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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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#ifdef TARGET_SPARC
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int graphic_width = 1024; |
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int graphic_height = 768; |
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int graphic_depth = 8; |
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#else
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int graphic_width = 800; |
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int graphic_height = 600; |
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int graphic_depth = 15; |
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#endif
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static int full_screen = 0; |
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#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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#ifdef TARGET_I386
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int rtc_td_hack = 0; |
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#endif
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int usb_enabled = 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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const char *vnc_display; |
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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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uint8_t irq0override = 1;
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#ifndef _WIN32
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int daemonize = 0; |
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#endif
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const char *watchdog; |
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const char *option_rom[MAX_OPTION_ROMS]; |
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int nb_option_roms;
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int semihosting_enabled = 0; |
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#ifdef TARGET_ARM
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int old_param = 0; |
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#endif
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const char *qemu_name; |
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int alt_grab = 0; |
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int ctrl_grab = 0; |
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#if defined(TARGET_SPARC) || defined(TARGET_PPC)
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unsigned int nb_prom_envs = 0; |
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const char *prom_envs[MAX_PROM_ENVS]; |
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#endif
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int boot_menu;
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int nb_numa_nodes;
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uint64_t node_mem[MAX_NODES]; |
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uint64_t node_cpumask[MAX_NODES]; |
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static CPUState *cur_cpu;
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static CPUState *next_cpu;
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static QEMUTimer *nographic_timer;
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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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int kvm_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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|
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#ifdef SIGRTMIN
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#define SIG_IPI (SIGRTMIN+4) |
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#else
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#define SIG_IPI SIGUSR1
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#endif
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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_vga = 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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|
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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-drive", .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 = "cirrus-vga", .flag = &default_vga },
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{ .driver = "vmware-svga", .flag = &default_vga },
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}; |
295 |
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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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|
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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++) { |
304 |
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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} |
310 |
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/***********************************************************/
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/* x86 ISA bus support */
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target_phys_addr_t isa_mem_base = 0;
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PicState2 *isa_pic; |
316 |
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/***********************************************************/
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void hw_error(const char *fmt, ...) |
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{ |
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va_list ap; |
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CPUState *env; |
322 |
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va_start(ap, fmt); |
324 |
fprintf(stderr, "qemu: hardware error: ");
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vfprintf(stderr, fmt, ap); |
326 |
fprintf(stderr, "\n");
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for(env = first_cpu; env != NULL; env = env->next_cpu) { |
328 |
fprintf(stderr, "CPU #%d:\n", env->cpu_index);
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#ifdef TARGET_I386
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cpu_dump_state(env, stderr, fprintf, X86_DUMP_FPU); |
331 |
#else
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cpu_dump_state(env, stderr, fprintf, 0);
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#endif
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} |
335 |
va_end(ap); |
336 |
abort(); |
337 |
} |
338 |
|
339 |
static void set_proc_name(const char *s) |
340 |
{ |
341 |
#if defined(__linux__) && defined(PR_SET_NAME)
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char name[16]; |
343 |
if (!s)
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return;
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name[sizeof(name) - 1] = 0; |
346 |
strncpy(name, s, sizeof(name));
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/* Could rewrite argv[0] too, but that's a bit more complicated.
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348 |
This simple way is enough for `top'. */
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prctl(PR_SET_NAME, name); |
350 |
#endif
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351 |
} |
352 |
|
353 |
/***************/
|
354 |
/* ballooning */
|
355 |
|
356 |
static QEMUBalloonEvent *qemu_balloon_event;
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357 |
void *qemu_balloon_event_opaque;
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358 |
|
359 |
void qemu_add_balloon_handler(QEMUBalloonEvent *func, void *opaque) |
360 |
{ |
361 |
qemu_balloon_event = func; |
362 |
qemu_balloon_event_opaque = opaque; |
363 |
} |
364 |
|
365 |
int qemu_balloon(ram_addr_t target, MonitorCompletion cb, void *opaque) |
366 |
{ |
367 |
if (qemu_balloon_event) {
|
368 |
qemu_balloon_event(qemu_balloon_event_opaque, target, cb, opaque); |
369 |
return 1; |
370 |
} else {
|
371 |
return 0; |
372 |
} |
373 |
} |
374 |
|
375 |
int qemu_balloon_status(MonitorCompletion cb, void *opaque) |
376 |
{ |
377 |
if (qemu_balloon_event) {
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378 |
qemu_balloon_event(qemu_balloon_event_opaque, 0, cb, opaque);
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379 |
return 1; |
380 |
} else {
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381 |
return 0; |
382 |
} |
383 |
} |
384 |
|
385 |
|
386 |
/***********************************************************/
|
387 |
/* real time host monotonic timer */
|
388 |
|
389 |
/* compute with 96 bit intermediate result: (a*b)/c */
|
390 |
uint64_t muldiv64(uint64_t a, uint32_t b, uint32_t c) |
391 |
{ |
392 |
union {
|
393 |
uint64_t ll; |
394 |
struct {
|
395 |
#ifdef HOST_WORDS_BIGENDIAN
|
396 |
uint32_t high, low; |
397 |
#else
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398 |
uint32_t low, high; |
399 |
#endif
|
400 |
} l; |
401 |
} u, res; |
402 |
uint64_t rl, rh; |
403 |
|
404 |
u.ll = a; |
405 |
rl = (uint64_t)u.l.low * (uint64_t)b; |
406 |
rh = (uint64_t)u.l.high * (uint64_t)b; |
407 |
rh += (rl >> 32);
|
408 |
res.l.high = rh / c; |
409 |
res.l.low = (((rh % c) << 32) + (rl & 0xffffffff)) / c; |
410 |
return res.ll;
|
411 |
} |
412 |
|
413 |
/***********************************************************/
|
414 |
/* host time/date access */
|
415 |
void qemu_get_timedate(struct tm *tm, int offset) |
416 |
{ |
417 |
time_t ti; |
418 |
struct tm *ret;
|
419 |
|
420 |
time(&ti); |
421 |
ti += offset; |
422 |
if (rtc_date_offset == -1) { |
423 |
if (rtc_utc)
|
424 |
ret = gmtime(&ti); |
425 |
else
|
426 |
ret = localtime(&ti); |
427 |
} else {
|
428 |
ti -= rtc_date_offset; |
429 |
ret = gmtime(&ti); |
430 |
} |
431 |
|
432 |
memcpy(tm, ret, sizeof(struct tm)); |
433 |
} |
434 |
|
435 |
int qemu_timedate_diff(struct tm *tm) |
436 |
{ |
437 |
time_t seconds; |
438 |
|
439 |
if (rtc_date_offset == -1) |
440 |
if (rtc_utc)
|
441 |
seconds = mktimegm(tm); |
442 |
else
|
443 |
seconds = mktime(tm); |
444 |
else
|
445 |
seconds = mktimegm(tm) + rtc_date_offset; |
446 |
|
447 |
return seconds - time(NULL); |
448 |
} |
449 |
|
450 |
void rtc_change_mon_event(struct tm *tm) |
451 |
{ |
452 |
QObject *data; |
453 |
|
454 |
data = qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm));
|
455 |
monitor_protocol_event(QEVENT_RTC_CHANGE, data); |
456 |
qobject_decref(data); |
457 |
} |
458 |
|
459 |
static void configure_rtc_date_offset(const char *startdate, int legacy) |
460 |
{ |
461 |
time_t rtc_start_date; |
462 |
struct tm tm;
|
463 |
|
464 |
if (!strcmp(startdate, "now") && legacy) { |
465 |
rtc_date_offset = -1;
|
466 |
} else {
|
467 |
if (sscanf(startdate, "%d-%d-%dT%d:%d:%d", |
468 |
&tm.tm_year, |
469 |
&tm.tm_mon, |
470 |
&tm.tm_mday, |
471 |
&tm.tm_hour, |
472 |
&tm.tm_min, |
473 |
&tm.tm_sec) == 6) {
|
474 |
/* OK */
|
475 |
} else if (sscanf(startdate, "%d-%d-%d", |
476 |
&tm.tm_year, |
477 |
&tm.tm_mon, |
478 |
&tm.tm_mday) == 3) {
|
479 |
tm.tm_hour = 0;
|
480 |
tm.tm_min = 0;
|
481 |
tm.tm_sec = 0;
|
482 |
} else {
|
483 |
goto date_fail;
|
484 |
} |
485 |
tm.tm_year -= 1900;
|
486 |
tm.tm_mon--; |
487 |
rtc_start_date = mktimegm(&tm); |
488 |
if (rtc_start_date == -1) { |
489 |
date_fail:
|
490 |
fprintf(stderr, "Invalid date format. Valid formats are:\n"
|
491 |
"'2006-06-17T16:01:21' or '2006-06-17'\n");
|
492 |
exit(1);
|
493 |
} |
494 |
rtc_date_offset = time(NULL) - rtc_start_date;
|
495 |
} |
496 |
} |
497 |
|
498 |
static void configure_rtc(QemuOpts *opts) |
499 |
{ |
500 |
const char *value; |
501 |
|
502 |
value = qemu_opt_get(opts, "base");
|
503 |
if (value) {
|
504 |
if (!strcmp(value, "utc")) { |
505 |
rtc_utc = 1;
|
506 |
} else if (!strcmp(value, "localtime")) { |
507 |
rtc_utc = 0;
|
508 |
} else {
|
509 |
configure_rtc_date_offset(value, 0);
|
510 |
} |
511 |
} |
512 |
value = qemu_opt_get(opts, "clock");
|
513 |
if (value) {
|
514 |
if (!strcmp(value, "host")) { |
515 |
rtc_clock = host_clock; |
516 |
} else if (!strcmp(value, "vm")) { |
517 |
rtc_clock = vm_clock; |
518 |
} else {
|
519 |
fprintf(stderr, "qemu: invalid option value '%s'\n", value);
|
520 |
exit(1);
|
521 |
} |
522 |
} |
523 |
#ifdef TARGET_I386
|
524 |
value = qemu_opt_get(opts, "driftfix");
|
525 |
if (value) {
|
526 |
if (!strcmp(value, "slew")) { |
527 |
rtc_td_hack = 1;
|
528 |
} else if (!strcmp(value, "none")) { |
529 |
rtc_td_hack = 0;
|
530 |
} else {
|
531 |
fprintf(stderr, "qemu: invalid option value '%s'\n", value);
|
532 |
exit(1);
|
533 |
} |
534 |
} |
535 |
#endif
|
536 |
} |
537 |
|
538 |
#ifdef _WIN32
|
539 |
static void socket_cleanup(void) |
540 |
{ |
541 |
WSACleanup(); |
542 |
} |
543 |
|
544 |
static int socket_init(void) |
545 |
{ |
546 |
WSADATA Data; |
547 |
int ret, err;
|
548 |
|
549 |
ret = WSAStartup(MAKEWORD(2,2), &Data); |
550 |
if (ret != 0) { |
551 |
err = WSAGetLastError(); |
552 |
fprintf(stderr, "WSAStartup: %d\n", err);
|
553 |
return -1; |
554 |
} |
555 |
atexit(socket_cleanup); |
556 |
return 0; |
557 |
} |
558 |
#endif
|
559 |
|
560 |
/***********************************************************/
|
561 |
/* Bluetooth support */
|
562 |
static int nb_hcis; |
563 |
static int cur_hci; |
564 |
static struct HCIInfo *hci_table[MAX_NICS]; |
565 |
|
566 |
static struct bt_vlan_s { |
567 |
struct bt_scatternet_s net;
|
568 |
int id;
|
569 |
struct bt_vlan_s *next;
|
570 |
} *first_bt_vlan; |
571 |
|
572 |
/* find or alloc a new bluetooth "VLAN" */
|
573 |
static struct bt_scatternet_s *qemu_find_bt_vlan(int id) |
574 |
{ |
575 |
struct bt_vlan_s **pvlan, *vlan;
|
576 |
for (vlan = first_bt_vlan; vlan != NULL; vlan = vlan->next) { |
577 |
if (vlan->id == id)
|
578 |
return &vlan->net;
|
579 |
} |
580 |
vlan = qemu_mallocz(sizeof(struct bt_vlan_s)); |
581 |
vlan->id = id; |
582 |
pvlan = &first_bt_vlan; |
583 |
while (*pvlan != NULL) |
584 |
pvlan = &(*pvlan)->next; |
585 |
*pvlan = vlan; |
586 |
return &vlan->net;
|
587 |
} |
588 |
|
589 |
static void null_hci_send(struct HCIInfo *hci, const uint8_t *data, int len) |
590 |
{ |
591 |
} |
592 |
|
593 |
static int null_hci_addr_set(struct HCIInfo *hci, const uint8_t *bd_addr) |
594 |
{ |
595 |
return -ENOTSUP;
|
596 |
} |
597 |
|
598 |
static struct HCIInfo null_hci = { |
599 |
.cmd_send = null_hci_send, |
600 |
.sco_send = null_hci_send, |
601 |
.acl_send = null_hci_send, |
602 |
.bdaddr_set = null_hci_addr_set, |
603 |
}; |
604 |
|
605 |
struct HCIInfo *qemu_next_hci(void) |
606 |
{ |
607 |
if (cur_hci == nb_hcis)
|
608 |
return &null_hci;
|
609 |
|
610 |
return hci_table[cur_hci++];
|
611 |
} |
612 |
|
613 |
static struct HCIInfo *hci_init(const char *str) |
614 |
{ |
615 |
char *endp;
|
616 |
struct bt_scatternet_s *vlan = 0; |
617 |
|
618 |
if (!strcmp(str, "null")) |
619 |
/* null */
|
620 |
return &null_hci;
|
621 |
else if (!strncmp(str, "host", 4) && (str[4] == '\0' || str[4] == ':')) |
622 |
/* host[:hciN] */
|
623 |
return bt_host_hci(str[4] ? str + 5 : "hci0"); |
624 |
else if (!strncmp(str, "hci", 3)) { |
625 |
/* hci[,vlan=n] */
|
626 |
if (str[3]) { |
627 |
if (!strncmp(str + 3, ",vlan=", 6)) { |
628 |
vlan = qemu_find_bt_vlan(strtol(str + 9, &endp, 0)); |
629 |
if (*endp)
|
630 |
vlan = 0;
|
631 |
} |
632 |
} else
|
633 |
vlan = qemu_find_bt_vlan(0);
|
634 |
if (vlan)
|
635 |
return bt_new_hci(vlan);
|
636 |
} |
637 |
|
638 |
fprintf(stderr, "qemu: Unknown bluetooth HCI `%s'.\n", str);
|
639 |
|
640 |
return 0; |
641 |
} |
642 |
|
643 |
static int bt_hci_parse(const char *str) |
644 |
{ |
645 |
struct HCIInfo *hci;
|
646 |
bdaddr_t bdaddr; |
647 |
|
648 |
if (nb_hcis >= MAX_NICS) {
|
649 |
fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
|
650 |
return -1; |
651 |
} |
652 |
|
653 |
hci = hci_init(str); |
654 |
if (!hci)
|
655 |
return -1; |
656 |
|
657 |
bdaddr.b[0] = 0x52; |
658 |
bdaddr.b[1] = 0x54; |
659 |
bdaddr.b[2] = 0x00; |
660 |
bdaddr.b[3] = 0x12; |
661 |
bdaddr.b[4] = 0x34; |
662 |
bdaddr.b[5] = 0x56 + nb_hcis; |
663 |
hci->bdaddr_set(hci, bdaddr.b); |
664 |
|
665 |
hci_table[nb_hcis++] = hci; |
666 |
|
667 |
return 0; |
668 |
} |
669 |
|
670 |
static void bt_vhci_add(int vlan_id) |
671 |
{ |
672 |
struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
|
673 |
|
674 |
if (!vlan->slave)
|
675 |
fprintf(stderr, "qemu: warning: adding a VHCI to "
|
676 |
"an empty scatternet %i\n", vlan_id);
|
677 |
|
678 |
bt_vhci_init(bt_new_hci(vlan)); |
679 |
} |
680 |
|
681 |
static struct bt_device_s *bt_device_add(const char *opt) |
682 |
{ |
683 |
struct bt_scatternet_s *vlan;
|
684 |
int vlan_id = 0; |
685 |
char *endp = strstr(opt, ",vlan="); |
686 |
int len = (endp ? endp - opt : strlen(opt)) + 1; |
687 |
char devname[10]; |
688 |
|
689 |
pstrcpy(devname, MIN(sizeof(devname), len), opt);
|
690 |
|
691 |
if (endp) {
|
692 |
vlan_id = strtol(endp + 6, &endp, 0); |
693 |
if (*endp) {
|
694 |
fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
|
695 |
return 0; |
696 |
} |
697 |
} |
698 |
|
699 |
vlan = qemu_find_bt_vlan(vlan_id); |
700 |
|
701 |
if (!vlan->slave)
|
702 |
fprintf(stderr, "qemu: warning: adding a slave device to "
|
703 |
"an empty scatternet %i\n", vlan_id);
|
704 |
|
705 |
if (!strcmp(devname, "keyboard")) |
706 |
return bt_keyboard_init(vlan);
|
707 |
|
708 |
fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
|
709 |
return 0; |
710 |
} |
711 |
|
712 |
static int bt_parse(const char *opt) |
713 |
{ |
714 |
const char *endp, *p; |
715 |
int vlan;
|
716 |
|
717 |
if (strstart(opt, "hci", &endp)) { |
718 |
if (!*endp || *endp == ',') { |
719 |
if (*endp)
|
720 |
if (!strstart(endp, ",vlan=", 0)) |
721 |
opt = endp + 1;
|
722 |
|
723 |
return bt_hci_parse(opt);
|
724 |
} |
725 |
} else if (strstart(opt, "vhci", &endp)) { |
726 |
if (!*endp || *endp == ',') { |
727 |
if (*endp) {
|
728 |
if (strstart(endp, ",vlan=", &p)) { |
729 |
vlan = strtol(p, (char **) &endp, 0); |
730 |
if (*endp) {
|
731 |
fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
|
732 |
return 1; |
733 |
} |
734 |
} else {
|
735 |
fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1); |
736 |
return 1; |
737 |
} |
738 |
} else
|
739 |
vlan = 0;
|
740 |
|
741 |
bt_vhci_add(vlan); |
742 |
return 0; |
743 |
} |
744 |
} else if (strstart(opt, "device:", &endp)) |
745 |
return !bt_device_add(endp);
|
746 |
|
747 |
fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
|
748 |
return 1; |
749 |
} |
750 |
|
751 |
/***********************************************************/
|
752 |
/* QEMU Block devices */
|
753 |
|
754 |
#define HD_ALIAS "index=%d,media=disk" |
755 |
#define CDROM_ALIAS "index=2,media=cdrom" |
756 |
#define FD_ALIAS "index=%d,if=floppy" |
757 |
#define PFLASH_ALIAS "if=pflash" |
758 |
#define MTD_ALIAS "if=mtd" |
759 |
#define SD_ALIAS "index=0,if=sd" |
760 |
|
761 |
QemuOpts *drive_add(const char *file, const char *fmt, ...) |
762 |
{ |
763 |
va_list ap; |
764 |
char optstr[1024]; |
765 |
QemuOpts *opts; |
766 |
|
767 |
va_start(ap, fmt); |
768 |
vsnprintf(optstr, sizeof(optstr), fmt, ap);
|
769 |
va_end(ap); |
770 |
|
771 |
opts = qemu_opts_parse(&qemu_drive_opts, optstr, 0);
|
772 |
if (!opts) {
|
773 |
fprintf(stderr, "%s: huh? duplicate? (%s)\n",
|
774 |
__FUNCTION__, optstr); |
775 |
return NULL; |
776 |
} |
777 |
if (file)
|
778 |
qemu_opt_set(opts, "file", file);
|
779 |
return opts;
|
780 |
} |
781 |
|
782 |
DriveInfo *drive_get(BlockInterfaceType type, int bus, int unit) |
783 |
{ |
784 |
DriveInfo *dinfo; |
785 |
|
786 |
/* seek interface, bus and unit */
|
787 |
|
788 |
QTAILQ_FOREACH(dinfo, &drives, next) { |
789 |
if (dinfo->type == type &&
|
790 |
dinfo->bus == bus && |
791 |
dinfo->unit == unit) |
792 |
return dinfo;
|
793 |
} |
794 |
|
795 |
return NULL; |
796 |
} |
797 |
|
798 |
DriveInfo *drive_get_by_id(const char *id) |
799 |
{ |
800 |
DriveInfo *dinfo; |
801 |
|
802 |
QTAILQ_FOREACH(dinfo, &drives, next) { |
803 |
if (strcmp(id, dinfo->id))
|
804 |
continue;
|
805 |
return dinfo;
|
806 |
} |
807 |
return NULL; |
808 |
} |
809 |
|
810 |
int drive_get_max_bus(BlockInterfaceType type)
|
811 |
{ |
812 |
int max_bus;
|
813 |
DriveInfo *dinfo; |
814 |
|
815 |
max_bus = -1;
|
816 |
QTAILQ_FOREACH(dinfo, &drives, next) { |
817 |
if(dinfo->type == type &&
|
818 |
dinfo->bus > max_bus) |
819 |
max_bus = dinfo->bus; |
820 |
} |
821 |
return max_bus;
|
822 |
} |
823 |
|
824 |
const char *drive_get_serial(BlockDriverState *bdrv) |
825 |
{ |
826 |
DriveInfo *dinfo; |
827 |
|
828 |
QTAILQ_FOREACH(dinfo, &drives, next) { |
829 |
if (dinfo->bdrv == bdrv)
|
830 |
return dinfo->serial;
|
831 |
} |
832 |
|
833 |
return "\0"; |
834 |
} |
835 |
|
836 |
BlockInterfaceErrorAction drive_get_on_error( |
837 |
BlockDriverState *bdrv, int is_read)
|
838 |
{ |
839 |
DriveInfo *dinfo; |
840 |
|
841 |
QTAILQ_FOREACH(dinfo, &drives, next) { |
842 |
if (dinfo->bdrv == bdrv)
|
843 |
return is_read ? dinfo->on_read_error : dinfo->on_write_error;
|
844 |
} |
845 |
|
846 |
return is_read ? BLOCK_ERR_REPORT : BLOCK_ERR_STOP_ENOSPC;
|
847 |
} |
848 |
|
849 |
static void bdrv_format_print(void *opaque, const char *name) |
850 |
{ |
851 |
fprintf(stderr, " %s", name);
|
852 |
} |
853 |
|
854 |
void drive_uninit(DriveInfo *dinfo)
|
855 |
{ |
856 |
qemu_opts_del(dinfo->opts); |
857 |
bdrv_delete(dinfo->bdrv); |
858 |
QTAILQ_REMOVE(&drives, dinfo, next); |
859 |
qemu_free(dinfo); |
860 |
} |
861 |
|
862 |
static int parse_block_error_action(const char *buf, int is_read) |
863 |
{ |
864 |
if (!strcmp(buf, "ignore")) { |
865 |
return BLOCK_ERR_IGNORE;
|
866 |
} else if (!is_read && !strcmp(buf, "enospc")) { |
867 |
return BLOCK_ERR_STOP_ENOSPC;
|
868 |
} else if (!strcmp(buf, "stop")) { |
869 |
return BLOCK_ERR_STOP_ANY;
|
870 |
} else if (!strcmp(buf, "report")) { |
871 |
return BLOCK_ERR_REPORT;
|
872 |
} else {
|
873 |
fprintf(stderr, "qemu: '%s' invalid %s error action\n",
|
874 |
buf, is_read ? "read" : "write"); |
875 |
return -1; |
876 |
} |
877 |
} |
878 |
|
879 |
DriveInfo *drive_init(QemuOpts *opts, void *opaque,
|
880 |
int *fatal_error)
|
881 |
{ |
882 |
const char *buf; |
883 |
const char *file = NULL; |
884 |
char devname[128]; |
885 |
const char *serial; |
886 |
const char *mediastr = ""; |
887 |
BlockInterfaceType type; |
888 |
enum { MEDIA_DISK, MEDIA_CDROM } media;
|
889 |
int bus_id, unit_id;
|
890 |
int cyls, heads, secs, translation;
|
891 |
BlockDriver *drv = NULL;
|
892 |
QEMUMachine *machine = opaque; |
893 |
int max_devs;
|
894 |
int index;
|
895 |
int cache;
|
896 |
int aio = 0; |
897 |
int ro = 0; |
898 |
int bdrv_flags;
|
899 |
int on_read_error, on_write_error;
|
900 |
const char *devaddr; |
901 |
DriveInfo *dinfo; |
902 |
int snapshot = 0; |
903 |
|
904 |
*fatal_error = 1;
|
905 |
|
906 |
translation = BIOS_ATA_TRANSLATION_AUTO; |
907 |
cache = 1;
|
908 |
|
909 |
if (machine && machine->use_scsi) {
|
910 |
type = IF_SCSI; |
911 |
max_devs = MAX_SCSI_DEVS; |
912 |
pstrcpy(devname, sizeof(devname), "scsi"); |
913 |
} else {
|
914 |
type = IF_IDE; |
915 |
max_devs = MAX_IDE_DEVS; |
916 |
pstrcpy(devname, sizeof(devname), "ide"); |
917 |
} |
918 |
media = MEDIA_DISK; |
919 |
|
920 |
/* extract parameters */
|
921 |
bus_id = qemu_opt_get_number(opts, "bus", 0); |
922 |
unit_id = qemu_opt_get_number(opts, "unit", -1); |
923 |
index = qemu_opt_get_number(opts, "index", -1); |
924 |
|
925 |
cyls = qemu_opt_get_number(opts, "cyls", 0); |
926 |
heads = qemu_opt_get_number(opts, "heads", 0); |
927 |
secs = qemu_opt_get_number(opts, "secs", 0); |
928 |
|
929 |
snapshot = qemu_opt_get_bool(opts, "snapshot", 0); |
930 |
ro = qemu_opt_get_bool(opts, "readonly", 0); |
931 |
|
932 |
file = qemu_opt_get(opts, "file");
|
933 |
serial = qemu_opt_get(opts, "serial");
|
934 |
|
935 |
if ((buf = qemu_opt_get(opts, "if")) != NULL) { |
936 |
pstrcpy(devname, sizeof(devname), buf);
|
937 |
if (!strcmp(buf, "ide")) { |
938 |
type = IF_IDE; |
939 |
max_devs = MAX_IDE_DEVS; |
940 |
} else if (!strcmp(buf, "scsi")) { |
941 |
type = IF_SCSI; |
942 |
max_devs = MAX_SCSI_DEVS; |
943 |
} else if (!strcmp(buf, "floppy")) { |
944 |
type = IF_FLOPPY; |
945 |
max_devs = 0;
|
946 |
} else if (!strcmp(buf, "pflash")) { |
947 |
type = IF_PFLASH; |
948 |
max_devs = 0;
|
949 |
} else if (!strcmp(buf, "mtd")) { |
950 |
type = IF_MTD; |
951 |
max_devs = 0;
|
952 |
} else if (!strcmp(buf, "sd")) { |
953 |
type = IF_SD; |
954 |
max_devs = 0;
|
955 |
} else if (!strcmp(buf, "virtio")) { |
956 |
type = IF_VIRTIO; |
957 |
max_devs = 0;
|
958 |
} else if (!strcmp(buf, "xen")) { |
959 |
type = IF_XEN; |
960 |
max_devs = 0;
|
961 |
} else if (!strcmp(buf, "none")) { |
962 |
type = IF_NONE; |
963 |
max_devs = 0;
|
964 |
} else {
|
965 |
fprintf(stderr, "qemu: unsupported bus type '%s'\n", buf);
|
966 |
return NULL; |
967 |
} |
968 |
} |
969 |
|
970 |
if (cyls || heads || secs) {
|
971 |
if (cyls < 1 || (type == IF_IDE && cyls > 16383)) { |
972 |
fprintf(stderr, "qemu: '%s' invalid physical cyls number\n", buf);
|
973 |
return NULL; |
974 |
} |
975 |
if (heads < 1 || (type == IF_IDE && heads > 16)) { |
976 |
fprintf(stderr, "qemu: '%s' invalid physical heads number\n", buf);
|
977 |
return NULL; |
978 |
} |
979 |
if (secs < 1 || (type == IF_IDE && secs > 63)) { |
980 |
fprintf(stderr, "qemu: '%s' invalid physical secs number\n", buf);
|
981 |
return NULL; |
982 |
} |
983 |
} |
984 |
|
985 |
if ((buf = qemu_opt_get(opts, "trans")) != NULL) { |
986 |
if (!cyls) {
|
987 |
fprintf(stderr, |
988 |
"qemu: '%s' trans must be used with cyls,heads and secs\n",
|
989 |
buf); |
990 |
return NULL; |
991 |
} |
992 |
if (!strcmp(buf, "none")) |
993 |
translation = BIOS_ATA_TRANSLATION_NONE; |
994 |
else if (!strcmp(buf, "lba")) |
995 |
translation = BIOS_ATA_TRANSLATION_LBA; |
996 |
else if (!strcmp(buf, "auto")) |
997 |
translation = BIOS_ATA_TRANSLATION_AUTO; |
998 |
else {
|
999 |
fprintf(stderr, "qemu: '%s' invalid translation type\n", buf);
|
1000 |
return NULL; |
1001 |
} |
1002 |
} |
1003 |
|
1004 |
if ((buf = qemu_opt_get(opts, "media")) != NULL) { |
1005 |
if (!strcmp(buf, "disk")) { |
1006 |
media = MEDIA_DISK; |
1007 |
} else if (!strcmp(buf, "cdrom")) { |
1008 |
if (cyls || secs || heads) {
|
1009 |
fprintf(stderr, |
1010 |
"qemu: '%s' invalid physical CHS format\n", buf);
|
1011 |
return NULL; |
1012 |
} |
1013 |
media = MEDIA_CDROM; |
1014 |
} else {
|
1015 |
fprintf(stderr, "qemu: '%s' invalid media\n", buf);
|
1016 |
return NULL; |
1017 |
} |
1018 |
} |
1019 |
|
1020 |
if ((buf = qemu_opt_get(opts, "cache")) != NULL) { |
1021 |
if (!strcmp(buf, "off") || !strcmp(buf, "none")) |
1022 |
cache = 0;
|
1023 |
else if (!strcmp(buf, "writethrough")) |
1024 |
cache = 1;
|
1025 |
else if (!strcmp(buf, "writeback")) |
1026 |
cache = 2;
|
1027 |
else {
|
1028 |
fprintf(stderr, "qemu: invalid cache option\n");
|
1029 |
return NULL; |
1030 |
} |
1031 |
} |
1032 |
|
1033 |
#ifdef CONFIG_LINUX_AIO
|
1034 |
if ((buf = qemu_opt_get(opts, "aio")) != NULL) { |
1035 |
if (!strcmp(buf, "threads")) |
1036 |
aio = 0;
|
1037 |
else if (!strcmp(buf, "native")) |
1038 |
aio = 1;
|
1039 |
else {
|
1040 |
fprintf(stderr, "qemu: invalid aio option\n");
|
1041 |
return NULL; |
1042 |
} |
1043 |
} |
1044 |
#endif
|
1045 |
|
1046 |
if ((buf = qemu_opt_get(opts, "format")) != NULL) { |
1047 |
if (strcmp(buf, "?") == 0) { |
1048 |
fprintf(stderr, "qemu: Supported formats:");
|
1049 |
bdrv_iterate_format(bdrv_format_print, NULL);
|
1050 |
fprintf(stderr, "\n");
|
1051 |
return NULL; |
1052 |
} |
1053 |
drv = bdrv_find_whitelisted_format(buf); |
1054 |
if (!drv) {
|
1055 |
fprintf(stderr, "qemu: '%s' invalid format\n", buf);
|
1056 |
return NULL; |
1057 |
} |
1058 |
} |
1059 |
|
1060 |
on_write_error = BLOCK_ERR_STOP_ENOSPC; |
1061 |
if ((buf = qemu_opt_get(opts, "werror")) != NULL) { |
1062 |
if (type != IF_IDE && type != IF_SCSI && type != IF_VIRTIO) {
|
1063 |
fprintf(stderr, "werror is no supported by this format\n");
|
1064 |
return NULL; |
1065 |
} |
1066 |
|
1067 |
on_write_error = parse_block_error_action(buf, 0);
|
1068 |
if (on_write_error < 0) { |
1069 |
return NULL; |
1070 |
} |
1071 |
} |
1072 |
|
1073 |
on_read_error = BLOCK_ERR_REPORT; |
1074 |
if ((buf = qemu_opt_get(opts, "rerror")) != NULL) { |
1075 |
if (type != IF_IDE && type != IF_VIRTIO) {
|
1076 |
fprintf(stderr, "rerror is no supported by this format\n");
|
1077 |
return NULL; |
1078 |
} |
1079 |
|
1080 |
on_read_error = parse_block_error_action(buf, 1);
|
1081 |
if (on_read_error < 0) { |
1082 |
return NULL; |
1083 |
} |
1084 |
} |
1085 |
|
1086 |
if ((devaddr = qemu_opt_get(opts, "addr")) != NULL) { |
1087 |
if (type != IF_VIRTIO) {
|
1088 |
fprintf(stderr, "addr is not supported\n");
|
1089 |
return NULL; |
1090 |
} |
1091 |
} |
1092 |
|
1093 |
/* compute bus and unit according index */
|
1094 |
|
1095 |
if (index != -1) { |
1096 |
if (bus_id != 0 || unit_id != -1) { |
1097 |
fprintf(stderr, |
1098 |
"qemu: index cannot be used with bus and unit\n");
|
1099 |
return NULL; |
1100 |
} |
1101 |
if (max_devs == 0) |
1102 |
{ |
1103 |
unit_id = index; |
1104 |
bus_id = 0;
|
1105 |
} else {
|
1106 |
unit_id = index % max_devs; |
1107 |
bus_id = index / max_devs; |
1108 |
} |
1109 |
} |
1110 |
|
1111 |
/* if user doesn't specify a unit_id,
|
1112 |
* try to find the first free
|
1113 |
*/
|
1114 |
|
1115 |
if (unit_id == -1) { |
1116 |
unit_id = 0;
|
1117 |
while (drive_get(type, bus_id, unit_id) != NULL) { |
1118 |
unit_id++; |
1119 |
if (max_devs && unit_id >= max_devs) {
|
1120 |
unit_id -= max_devs; |
1121 |
bus_id++; |
1122 |
} |
1123 |
} |
1124 |
} |
1125 |
|
1126 |
/* check unit id */
|
1127 |
|
1128 |
if (max_devs && unit_id >= max_devs) {
|
1129 |
fprintf(stderr, "qemu: unit %d too big (max is %d)\n",
|
1130 |
unit_id, max_devs - 1);
|
1131 |
return NULL; |
1132 |
} |
1133 |
|
1134 |
/*
|
1135 |
* ignore multiple definitions
|
1136 |
*/
|
1137 |
|
1138 |
if (drive_get(type, bus_id, unit_id) != NULL) { |
1139 |
*fatal_error = 0;
|
1140 |
return NULL; |
1141 |
} |
1142 |
|
1143 |
/* init */
|
1144 |
|
1145 |
dinfo = qemu_mallocz(sizeof(*dinfo));
|
1146 |
if ((buf = qemu_opts_id(opts)) != NULL) { |
1147 |
dinfo->id = qemu_strdup(buf); |
1148 |
} else {
|
1149 |
/* no id supplied -> create one */
|
1150 |
dinfo->id = qemu_mallocz(32);
|
1151 |
if (type == IF_IDE || type == IF_SCSI)
|
1152 |
mediastr = (media == MEDIA_CDROM) ? "-cd" : "-hd"; |
1153 |
if (max_devs)
|
1154 |
snprintf(dinfo->id, 32, "%s%i%s%i", |
1155 |
devname, bus_id, mediastr, unit_id); |
1156 |
else
|
1157 |
snprintf(dinfo->id, 32, "%s%s%i", |
1158 |
devname, mediastr, unit_id); |
1159 |
} |
1160 |
dinfo->bdrv = bdrv_new(dinfo->id); |
1161 |
dinfo->devaddr = devaddr; |
1162 |
dinfo->type = type; |
1163 |
dinfo->bus = bus_id; |
1164 |
dinfo->unit = unit_id; |
1165 |
dinfo->on_read_error = on_read_error; |
1166 |
dinfo->on_write_error = on_write_error; |
1167 |
dinfo->opts = opts; |
1168 |
if (serial)
|
1169 |
strncpy(dinfo->serial, serial, sizeof(serial));
|
1170 |
QTAILQ_INSERT_TAIL(&drives, dinfo, next); |
1171 |
|
1172 |
switch(type) {
|
1173 |
case IF_IDE:
|
1174 |
case IF_SCSI:
|
1175 |
case IF_XEN:
|
1176 |
case IF_NONE:
|
1177 |
switch(media) {
|
1178 |
case MEDIA_DISK:
|
1179 |
if (cyls != 0) { |
1180 |
bdrv_set_geometry_hint(dinfo->bdrv, cyls, heads, secs); |
1181 |
bdrv_set_translation_hint(dinfo->bdrv, translation); |
1182 |
} |
1183 |
break;
|
1184 |
case MEDIA_CDROM:
|
1185 |
bdrv_set_type_hint(dinfo->bdrv, BDRV_TYPE_CDROM); |
1186 |
break;
|
1187 |
} |
1188 |
break;
|
1189 |
case IF_SD:
|
1190 |
/* FIXME: This isn't really a floppy, but it's a reasonable
|
1191 |
approximation. */
|
1192 |
case IF_FLOPPY:
|
1193 |
bdrv_set_type_hint(dinfo->bdrv, BDRV_TYPE_FLOPPY); |
1194 |
break;
|
1195 |
case IF_PFLASH:
|
1196 |
case IF_MTD:
|
1197 |
break;
|
1198 |
case IF_VIRTIO:
|
1199 |
/* add virtio block device */
|
1200 |
opts = qemu_opts_create(&qemu_device_opts, NULL, 0); |
1201 |
qemu_opt_set(opts, "driver", "virtio-blk-pci"); |
1202 |
qemu_opt_set(opts, "drive", dinfo->id);
|
1203 |
if (devaddr)
|
1204 |
qemu_opt_set(opts, "addr", devaddr);
|
1205 |
break;
|
1206 |
case IF_COUNT:
|
1207 |
abort(); |
1208 |
} |
1209 |
if (!file) {
|
1210 |
*fatal_error = 0;
|
1211 |
return NULL; |
1212 |
} |
1213 |
bdrv_flags = 0;
|
1214 |
if (snapshot) {
|
1215 |
bdrv_flags |= BDRV_O_SNAPSHOT; |
1216 |
cache = 2; /* always use write-back with snapshot */ |
1217 |
} |
1218 |
if (cache == 0) /* no caching */ |
1219 |
bdrv_flags |= BDRV_O_NOCACHE; |
1220 |
else if (cache == 2) /* write-back */ |
1221 |
bdrv_flags |= BDRV_O_CACHE_WB; |
1222 |
|
1223 |
if (aio == 1) { |
1224 |
bdrv_flags |= BDRV_O_NATIVE_AIO; |
1225 |
} else {
|
1226 |
bdrv_flags &= ~BDRV_O_NATIVE_AIO; |
1227 |
} |
1228 |
|
1229 |
if (ro == 1) { |
1230 |
if (type != IF_SCSI && type != IF_VIRTIO && type != IF_FLOPPY) {
|
1231 |
fprintf(stderr, "qemu: readonly flag not supported for drive with this interface\n");
|
1232 |
return NULL; |
1233 |
} |
1234 |
} |
1235 |
/*
|
1236 |
* cdrom is read-only. Set it now, after above interface checking
|
1237 |
* since readonly attribute not explicitly required, so no error.
|
1238 |
*/
|
1239 |
if (media == MEDIA_CDROM) {
|
1240 |
ro = 1;
|
1241 |
} |
1242 |
bdrv_flags |= ro ? 0 : BDRV_O_RDWR;
|
1243 |
|
1244 |
if (bdrv_open2(dinfo->bdrv, file, bdrv_flags, drv) < 0) { |
1245 |
fprintf(stderr, "qemu: could not open disk image %s: %s\n",
|
1246 |
file, strerror(errno)); |
1247 |
return NULL; |
1248 |
} |
1249 |
|
1250 |
if (bdrv_key_required(dinfo->bdrv))
|
1251 |
autostart = 0;
|
1252 |
*fatal_error = 0;
|
1253 |
return dinfo;
|
1254 |
} |
1255 |
|
1256 |
static int drive_init_func(QemuOpts *opts, void *opaque) |
1257 |
{ |
1258 |
QEMUMachine *machine = opaque; |
1259 |
int fatal_error = 0; |
1260 |
|
1261 |
if (drive_init(opts, machine, &fatal_error) == NULL) { |
1262 |
if (fatal_error)
|
1263 |
return 1; |
1264 |
} |
1265 |
return 0; |
1266 |
} |
1267 |
|
1268 |
static int drive_enable_snapshot(QemuOpts *opts, void *opaque) |
1269 |
{ |
1270 |
if (NULL == qemu_opt_get(opts, "snapshot")) { |
1271 |
qemu_opt_set(opts, "snapshot", "on"); |
1272 |
} |
1273 |
return 0; |
1274 |
} |
1275 |
|
1276 |
void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque) |
1277 |
{ |
1278 |
boot_set_handler = func; |
1279 |
boot_set_opaque = opaque; |
1280 |
} |
1281 |
|
1282 |
int qemu_boot_set(const char *boot_devices) |
1283 |
{ |
1284 |
if (!boot_set_handler) {
|
1285 |
return -EINVAL;
|
1286 |
} |
1287 |
return boot_set_handler(boot_set_opaque, boot_devices);
|
1288 |
} |
1289 |
|
1290 |
static int parse_bootdevices(char *devices) |
1291 |
{ |
1292 |
/* We just do some generic consistency checks */
|
1293 |
const char *p; |
1294 |
int bitmap = 0; |
1295 |
|
1296 |
for (p = devices; *p != '\0'; p++) { |
1297 |
/* Allowed boot devices are:
|
1298 |
* a-b: floppy disk drives
|
1299 |
* c-f: IDE disk drives
|
1300 |
* g-m: machine implementation dependant drives
|
1301 |
* n-p: network devices
|
1302 |
* It's up to each machine implementation to check if the given boot
|
1303 |
* devices match the actual hardware implementation and firmware
|
1304 |
* features.
|
1305 |
*/
|
1306 |
if (*p < 'a' || *p > 'p') { |
1307 |
fprintf(stderr, "Invalid boot device '%c'\n", *p);
|
1308 |
exit(1);
|
1309 |
} |
1310 |
if (bitmap & (1 << (*p - 'a'))) { |
1311 |
fprintf(stderr, "Boot device '%c' was given twice\n", *p);
|
1312 |
exit(1);
|
1313 |
} |
1314 |
bitmap |= 1 << (*p - 'a'); |
1315 |
} |
1316 |
return bitmap;
|
1317 |
} |
1318 |
|
1319 |
static void restore_boot_devices(void *opaque) |
1320 |
{ |
1321 |
char *standard_boot_devices = opaque;
|
1322 |
|
1323 |
qemu_boot_set(standard_boot_devices); |
1324 |
|
1325 |
qemu_unregister_reset(restore_boot_devices, standard_boot_devices); |
1326 |
qemu_free(standard_boot_devices); |
1327 |
} |
1328 |
|
1329 |
static void numa_add(const char *optarg) |
1330 |
{ |
1331 |
char option[128]; |
1332 |
char *endptr;
|
1333 |
unsigned long long value, endvalue; |
1334 |
int nodenr;
|
1335 |
|
1336 |
optarg = get_opt_name(option, 128, optarg, ',') + 1; |
1337 |
if (!strcmp(option, "node")) { |
1338 |
if (get_param_value(option, 128, "nodeid", optarg) == 0) { |
1339 |
nodenr = nb_numa_nodes; |
1340 |
} else {
|
1341 |
nodenr = strtoull(option, NULL, 10); |
1342 |
} |
1343 |
|
1344 |
if (get_param_value(option, 128, "mem", optarg) == 0) { |
1345 |
node_mem[nodenr] = 0;
|
1346 |
} else {
|
1347 |
value = strtoull(option, &endptr, 0);
|
1348 |
switch (*endptr) {
|
1349 |
case 0: case 'M': case 'm': |
1350 |
value <<= 20;
|
1351 |
break;
|
1352 |
case 'G': case 'g': |
1353 |
value <<= 30;
|
1354 |
break;
|
1355 |
} |
1356 |
node_mem[nodenr] = value; |
1357 |
} |
1358 |
if (get_param_value(option, 128, "cpus", optarg) == 0) { |
1359 |
node_cpumask[nodenr] = 0;
|
1360 |
} else {
|
1361 |
value = strtoull(option, &endptr, 10);
|
1362 |
if (value >= 64) { |
1363 |
value = 63;
|
1364 |
fprintf(stderr, "only 64 CPUs in NUMA mode supported.\n");
|
1365 |
} else {
|
1366 |
if (*endptr == '-') { |
1367 |
endvalue = strtoull(endptr+1, &endptr, 10); |
1368 |
if (endvalue >= 63) { |
1369 |
endvalue = 62;
|
1370 |
fprintf(stderr, |
1371 |
"only 63 CPUs in NUMA mode supported.\n");
|
1372 |
} |
1373 |
value = (2ULL << endvalue) - (1ULL << value); |
1374 |
} else {
|
1375 |
value = 1ULL << value;
|
1376 |
} |
1377 |
} |
1378 |
node_cpumask[nodenr] = value; |
1379 |
} |
1380 |
nb_numa_nodes++; |
1381 |
} |
1382 |
return;
|
1383 |
} |
1384 |
|
1385 |
static void smp_parse(const char *optarg) |
1386 |
{ |
1387 |
int smp, sockets = 0, threads = 0, cores = 0; |
1388 |
char *endptr;
|
1389 |
char option[128]; |
1390 |
|
1391 |
smp = strtoul(optarg, &endptr, 10);
|
1392 |
if (endptr != optarg) {
|
1393 |
if (*endptr == ',') { |
1394 |
endptr++; |
1395 |
} |
1396 |
} |
1397 |
if (get_param_value(option, 128, "sockets", endptr) != 0) |
1398 |
sockets = strtoull(option, NULL, 10); |
1399 |
if (get_param_value(option, 128, "cores", endptr) != 0) |
1400 |
cores = strtoull(option, NULL, 10); |
1401 |
if (get_param_value(option, 128, "threads", endptr) != 0) |
1402 |
threads = strtoull(option, NULL, 10); |
1403 |
if (get_param_value(option, 128, "maxcpus", endptr) != 0) |
1404 |
max_cpus = strtoull(option, NULL, 10); |
1405 |
|
1406 |
/* compute missing values, prefer sockets over cores over threads */
|
1407 |
if (smp == 0 || sockets == 0) { |
1408 |
sockets = sockets > 0 ? sockets : 1; |
1409 |
cores = cores > 0 ? cores : 1; |
1410 |
threads = threads > 0 ? threads : 1; |
1411 |
if (smp == 0) { |
1412 |
smp = cores * threads * sockets; |
1413 |
} |
1414 |
} else {
|
1415 |
if (cores == 0) { |
1416 |
threads = threads > 0 ? threads : 1; |
1417 |
cores = smp / (sockets * threads); |
1418 |
} else {
|
1419 |
if (sockets) {
|
1420 |
threads = smp / (cores * sockets); |
1421 |
} |
1422 |
} |
1423 |
} |
1424 |
smp_cpus = smp; |
1425 |
smp_cores = cores > 0 ? cores : 1; |
1426 |
smp_threads = threads > 0 ? threads : 1; |
1427 |
if (max_cpus == 0) |
1428 |
max_cpus = smp_cpus; |
1429 |
} |
1430 |
|
1431 |
/***********************************************************/
|
1432 |
/* USB devices */
|
1433 |
|
1434 |
static int usb_device_add(const char *devname, int is_hotplug) |
1435 |
{ |
1436 |
const char *p; |
1437 |
USBDevice *dev = NULL;
|
1438 |
|
1439 |
if (!usb_enabled)
|
1440 |
return -1; |
1441 |
|
1442 |
/* drivers with .usbdevice_name entry in USBDeviceInfo */
|
1443 |
dev = usbdevice_create(devname); |
1444 |
if (dev)
|
1445 |
goto done;
|
1446 |
|
1447 |
/* the other ones */
|
1448 |
if (strstart(devname, "host:", &p)) { |
1449 |
dev = usb_host_device_open(p); |
1450 |
} else if (!strcmp(devname, "bt") || strstart(devname, "bt:", &p)) { |
1451 |
dev = usb_bt_init(devname[2] ? hci_init(p) :
|
1452 |
bt_new_hci(qemu_find_bt_vlan(0)));
|
1453 |
} else {
|
1454 |
return -1; |
1455 |
} |
1456 |
if (!dev)
|
1457 |
return -1; |
1458 |
|
1459 |
done:
|
1460 |
return 0; |
1461 |
} |
1462 |
|
1463 |
static int usb_device_del(const char *devname) |
1464 |
{ |
1465 |
int bus_num, addr;
|
1466 |
const char *p; |
1467 |
|
1468 |
if (strstart(devname, "host:", &p)) |
1469 |
return usb_host_device_close(p);
|
1470 |
|
1471 |
if (!usb_enabled)
|
1472 |
return -1; |
1473 |
|
1474 |
p = strchr(devname, '.');
|
1475 |
if (!p)
|
1476 |
return -1; |
1477 |
bus_num = strtoul(devname, NULL, 0); |
1478 |
addr = strtoul(p + 1, NULL, 0); |
1479 |
|
1480 |
return usb_device_delete_addr(bus_num, addr);
|
1481 |
} |
1482 |
|
1483 |
static int usb_parse(const char *cmdline) |
1484 |
{ |
1485 |
int r;
|
1486 |
r = usb_device_add(cmdline, 0);
|
1487 |
if (r < 0) { |
1488 |
fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
|
1489 |
} |
1490 |
return r;
|
1491 |
} |
1492 |
|
1493 |
void do_usb_add(Monitor *mon, const QDict *qdict) |
1494 |
{ |
1495 |
const char *devname = qdict_get_str(qdict, "devname"); |
1496 |
if (usb_device_add(devname, 1) < 0) { |
1497 |
error_report("could not add USB device '%s'", devname);
|
1498 |
} |
1499 |
} |
1500 |
|
1501 |
void do_usb_del(Monitor *mon, const QDict *qdict) |
1502 |
{ |
1503 |
const char *devname = qdict_get_str(qdict, "devname"); |
1504 |
if (usb_device_del(devname) < 0) { |
1505 |
error_report("could not delete USB device '%s'", devname);
|
1506 |
} |
1507 |
} |
1508 |
|
1509 |
/***********************************************************/
|
1510 |
/* PCMCIA/Cardbus */
|
1511 |
|
1512 |
static struct pcmcia_socket_entry_s { |
1513 |
PCMCIASocket *socket; |
1514 |
struct pcmcia_socket_entry_s *next;
|
1515 |
} *pcmcia_sockets = 0;
|
1516 |
|
1517 |
void pcmcia_socket_register(PCMCIASocket *socket)
|
1518 |
{ |
1519 |
struct pcmcia_socket_entry_s *entry;
|
1520 |
|
1521 |
entry = qemu_malloc(sizeof(struct pcmcia_socket_entry_s)); |
1522 |
entry->socket = socket; |
1523 |
entry->next = pcmcia_sockets; |
1524 |
pcmcia_sockets = entry; |
1525 |
} |
1526 |
|
1527 |
void pcmcia_socket_unregister(PCMCIASocket *socket)
|
1528 |
{ |
1529 |
struct pcmcia_socket_entry_s *entry, **ptr;
|
1530 |
|
1531 |
ptr = &pcmcia_sockets; |
1532 |
for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
|
1533 |
if (entry->socket == socket) {
|
1534 |
*ptr = entry->next; |
1535 |
qemu_free(entry); |
1536 |
} |
1537 |
} |
1538 |
|
1539 |
void pcmcia_info(Monitor *mon)
|
1540 |
{ |
1541 |
struct pcmcia_socket_entry_s *iter;
|
1542 |
|
1543 |
if (!pcmcia_sockets)
|
1544 |
monitor_printf(mon, "No PCMCIA sockets\n");
|
1545 |
|
1546 |
for (iter = pcmcia_sockets; iter; iter = iter->next)
|
1547 |
monitor_printf(mon, "%s: %s\n", iter->socket->slot_string,
|
1548 |
iter->socket->attached ? iter->socket->card_string : |
1549 |
"Empty");
|
1550 |
} |
1551 |
|
1552 |
/***********************************************************/
|
1553 |
/* I/O handling */
|
1554 |
|
1555 |
typedef struct IOHandlerRecord { |
1556 |
int fd;
|
1557 |
IOCanReadHandler *fd_read_poll; |
1558 |
IOHandler *fd_read; |
1559 |
IOHandler *fd_write; |
1560 |
int deleted;
|
1561 |
void *opaque;
|
1562 |
/* temporary data */
|
1563 |
struct pollfd *ufd;
|
1564 |
QLIST_ENTRY(IOHandlerRecord) next; |
1565 |
} IOHandlerRecord; |
1566 |
|
1567 |
static QLIST_HEAD(, IOHandlerRecord) io_handlers =
|
1568 |
QLIST_HEAD_INITIALIZER(io_handlers); |
1569 |
|
1570 |
|
1571 |
/* XXX: fd_read_poll should be suppressed, but an API change is
|
1572 |
necessary in the character devices to suppress fd_can_read(). */
|
1573 |
int qemu_set_fd_handler2(int fd, |
1574 |
IOCanReadHandler *fd_read_poll, |
1575 |
IOHandler *fd_read, |
1576 |
IOHandler *fd_write, |
1577 |
void *opaque)
|
1578 |
{ |
1579 |
IOHandlerRecord *ioh; |
1580 |
|
1581 |
if (!fd_read && !fd_write) {
|
1582 |
QLIST_FOREACH(ioh, &io_handlers, next) { |
1583 |
if (ioh->fd == fd) {
|
1584 |
ioh->deleted = 1;
|
1585 |
break;
|
1586 |
} |
1587 |
} |
1588 |
} else {
|
1589 |
QLIST_FOREACH(ioh, &io_handlers, next) { |
1590 |
if (ioh->fd == fd)
|
1591 |
goto found;
|
1592 |
} |
1593 |
ioh = qemu_mallocz(sizeof(IOHandlerRecord));
|
1594 |
QLIST_INSERT_HEAD(&io_handlers, ioh, next); |
1595 |
found:
|
1596 |
ioh->fd = fd; |
1597 |
ioh->fd_read_poll = fd_read_poll; |
1598 |
ioh->fd_read = fd_read; |
1599 |
ioh->fd_write = fd_write; |
1600 |
ioh->opaque = opaque; |
1601 |
ioh->deleted = 0;
|
1602 |
} |
1603 |
return 0; |
1604 |
} |
1605 |
|
1606 |
int qemu_set_fd_handler(int fd, |
1607 |
IOHandler *fd_read, |
1608 |
IOHandler *fd_write, |
1609 |
void *opaque)
|
1610 |
{ |
1611 |
return qemu_set_fd_handler2(fd, NULL, fd_read, fd_write, opaque); |
1612 |
} |
1613 |
|
1614 |
#ifdef _WIN32
|
1615 |
/***********************************************************/
|
1616 |
/* Polling handling */
|
1617 |
|
1618 |
typedef struct PollingEntry { |
1619 |
PollingFunc *func; |
1620 |
void *opaque;
|
1621 |
struct PollingEntry *next;
|
1622 |
} PollingEntry; |
1623 |
|
1624 |
static PollingEntry *first_polling_entry;
|
1625 |
|
1626 |
int qemu_add_polling_cb(PollingFunc *func, void *opaque) |
1627 |
{ |
1628 |
PollingEntry **ppe, *pe; |
1629 |
pe = qemu_mallocz(sizeof(PollingEntry));
|
1630 |
pe->func = func; |
1631 |
pe->opaque = opaque; |
1632 |
for(ppe = &first_polling_entry; *ppe != NULL; ppe = &(*ppe)->next); |
1633 |
*ppe = pe; |
1634 |
return 0; |
1635 |
} |
1636 |
|
1637 |
void qemu_del_polling_cb(PollingFunc *func, void *opaque) |
1638 |
{ |
1639 |
PollingEntry **ppe, *pe; |
1640 |
for(ppe = &first_polling_entry; *ppe != NULL; ppe = &(*ppe)->next) { |
1641 |
pe = *ppe; |
1642 |
if (pe->func == func && pe->opaque == opaque) {
|
1643 |
*ppe = pe->next; |
1644 |
qemu_free(pe); |
1645 |
break;
|
1646 |
} |
1647 |
} |
1648 |
} |
1649 |
|
1650 |
/***********************************************************/
|
1651 |
/* Wait objects support */
|
1652 |
typedef struct WaitObjects { |
1653 |
int num;
|
1654 |
HANDLE events[MAXIMUM_WAIT_OBJECTS + 1];
|
1655 |
WaitObjectFunc *func[MAXIMUM_WAIT_OBJECTS + 1];
|
1656 |
void *opaque[MAXIMUM_WAIT_OBJECTS + 1]; |
1657 |
} WaitObjects; |
1658 |
|
1659 |
static WaitObjects wait_objects = {0}; |
1660 |
|
1661 |
int qemu_add_wait_object(HANDLE handle, WaitObjectFunc *func, void *opaque) |
1662 |
{ |
1663 |
WaitObjects *w = &wait_objects; |
1664 |
|
1665 |
if (w->num >= MAXIMUM_WAIT_OBJECTS)
|
1666 |
return -1; |
1667 |
w->events[w->num] = handle; |
1668 |
w->func[w->num] = func; |
1669 |
w->opaque[w->num] = opaque; |
1670 |
w->num++; |
1671 |
return 0; |
1672 |
} |
1673 |
|
1674 |
void qemu_del_wait_object(HANDLE handle, WaitObjectFunc *func, void *opaque) |
1675 |
{ |
1676 |
int i, found;
|
1677 |
WaitObjects *w = &wait_objects; |
1678 |
|
1679 |
found = 0;
|
1680 |
for (i = 0; i < w->num; i++) { |
1681 |
if (w->events[i] == handle)
|
1682 |
found = 1;
|
1683 |
if (found) {
|
1684 |
w->events[i] = w->events[i + 1];
|
1685 |
w->func[i] = w->func[i + 1];
|
1686 |
w->opaque[i] = w->opaque[i + 1];
|
1687 |
} |
1688 |
} |
1689 |
if (found)
|
1690 |
w->num--; |
1691 |
} |
1692 |
#endif
|
1693 |
|
1694 |
/***********************************************************/
|
1695 |
/* ram save/restore */
|
1696 |
|
1697 |
#define RAM_SAVE_FLAG_FULL 0x01 /* Obsolete, not used anymore */ |
1698 |
#define RAM_SAVE_FLAG_COMPRESS 0x02 |
1699 |
#define RAM_SAVE_FLAG_MEM_SIZE 0x04 |
1700 |
#define RAM_SAVE_FLAG_PAGE 0x08 |
1701 |
#define RAM_SAVE_FLAG_EOS 0x10 |
1702 |
|
1703 |
static int is_dup_page(uint8_t *page, uint8_t ch) |
1704 |
{ |
1705 |
uint32_t val = ch << 24 | ch << 16 | ch << 8 | ch; |
1706 |
uint32_t *array = (uint32_t *)page; |
1707 |
int i;
|
1708 |
|
1709 |
for (i = 0; i < (TARGET_PAGE_SIZE / 4); i++) { |
1710 |
if (array[i] != val)
|
1711 |
return 0; |
1712 |
} |
1713 |
|
1714 |
return 1; |
1715 |
} |
1716 |
|
1717 |
static int ram_save_block(QEMUFile *f) |
1718 |
{ |
1719 |
static ram_addr_t current_addr = 0; |
1720 |
ram_addr_t saved_addr = current_addr; |
1721 |
ram_addr_t addr = 0;
|
1722 |
int found = 0; |
1723 |
|
1724 |
while (addr < last_ram_offset) {
|
1725 |
if (cpu_physical_memory_get_dirty(current_addr, MIGRATION_DIRTY_FLAG)) {
|
1726 |
uint8_t *p; |
1727 |
|
1728 |
cpu_physical_memory_reset_dirty(current_addr, |
1729 |
current_addr + TARGET_PAGE_SIZE, |
1730 |
MIGRATION_DIRTY_FLAG); |
1731 |
|
1732 |
p = qemu_get_ram_ptr(current_addr); |
1733 |
|
1734 |
if (is_dup_page(p, *p)) {
|
1735 |
qemu_put_be64(f, current_addr | RAM_SAVE_FLAG_COMPRESS); |
1736 |
qemu_put_byte(f, *p); |
1737 |
} else {
|
1738 |
qemu_put_be64(f, current_addr | RAM_SAVE_FLAG_PAGE); |
1739 |
qemu_put_buffer(f, p, TARGET_PAGE_SIZE); |
1740 |
} |
1741 |
|
1742 |
found = 1;
|
1743 |
break;
|
1744 |
} |
1745 |
addr += TARGET_PAGE_SIZE; |
1746 |
current_addr = (saved_addr + addr) % last_ram_offset; |
1747 |
} |
1748 |
|
1749 |
return found;
|
1750 |
} |
1751 |
|
1752 |
static uint64_t bytes_transferred;
|
1753 |
|
1754 |
static ram_addr_t ram_save_remaining(void) |
1755 |
{ |
1756 |
ram_addr_t addr; |
1757 |
ram_addr_t count = 0;
|
1758 |
|
1759 |
for (addr = 0; addr < last_ram_offset; addr += TARGET_PAGE_SIZE) { |
1760 |
if (cpu_physical_memory_get_dirty(addr, MIGRATION_DIRTY_FLAG))
|
1761 |
count++; |
1762 |
} |
1763 |
|
1764 |
return count;
|
1765 |
} |
1766 |
|
1767 |
uint64_t ram_bytes_remaining(void)
|
1768 |
{ |
1769 |
return ram_save_remaining() * TARGET_PAGE_SIZE;
|
1770 |
} |
1771 |
|
1772 |
uint64_t ram_bytes_transferred(void)
|
1773 |
{ |
1774 |
return bytes_transferred;
|
1775 |
} |
1776 |
|
1777 |
uint64_t ram_bytes_total(void)
|
1778 |
{ |
1779 |
return last_ram_offset;
|
1780 |
} |
1781 |
|
1782 |
static int ram_save_live(Monitor *mon, QEMUFile *f, int stage, void *opaque) |
1783 |
{ |
1784 |
ram_addr_t addr; |
1785 |
uint64_t bytes_transferred_last; |
1786 |
double bwidth = 0; |
1787 |
uint64_t expected_time = 0;
|
1788 |
|
1789 |
if (stage < 0) { |
1790 |
cpu_physical_memory_set_dirty_tracking(0);
|
1791 |
return 0; |
1792 |
} |
1793 |
|
1794 |
if (cpu_physical_sync_dirty_bitmap(0, TARGET_PHYS_ADDR_MAX) != 0) { |
1795 |
qemu_file_set_error(f); |
1796 |
return 0; |
1797 |
} |
1798 |
|
1799 |
if (stage == 1) { |
1800 |
bytes_transferred = 0;
|
1801 |
|
1802 |
/* Make sure all dirty bits are set */
|
1803 |
for (addr = 0; addr < last_ram_offset; addr += TARGET_PAGE_SIZE) { |
1804 |
if (!cpu_physical_memory_get_dirty(addr, MIGRATION_DIRTY_FLAG))
|
1805 |
cpu_physical_memory_set_dirty(addr); |
1806 |
} |
1807 |
|
1808 |
/* Enable dirty memory tracking */
|
1809 |
cpu_physical_memory_set_dirty_tracking(1);
|
1810 |
|
1811 |
qemu_put_be64(f, last_ram_offset | RAM_SAVE_FLAG_MEM_SIZE); |
1812 |
} |
1813 |
|
1814 |
bytes_transferred_last = bytes_transferred; |
1815 |
bwidth = qemu_get_clock_ns(rt_clock); |
1816 |
|
1817 |
while (!qemu_file_rate_limit(f)) {
|
1818 |
int ret;
|
1819 |
|
1820 |
ret = ram_save_block(f); |
1821 |
bytes_transferred += ret * TARGET_PAGE_SIZE; |
1822 |
if (ret == 0) /* no more blocks */ |
1823 |
break;
|
1824 |
} |
1825 |
|
1826 |
bwidth = qemu_get_clock_ns(rt_clock) - bwidth; |
1827 |
bwidth = (bytes_transferred - bytes_transferred_last) / bwidth; |
1828 |
|
1829 |
/* if we haven't transferred anything this round, force expected_time to a
|
1830 |
* a very high value, but without crashing */
|
1831 |
if (bwidth == 0) |
1832 |
bwidth = 0.000001; |
1833 |
|
1834 |
/* try transferring iterative blocks of memory */
|
1835 |
if (stage == 3) { |
1836 |
/* flush all remaining blocks regardless of rate limiting */
|
1837 |
while (ram_save_block(f) != 0) { |
1838 |
bytes_transferred += TARGET_PAGE_SIZE; |
1839 |
} |
1840 |
cpu_physical_memory_set_dirty_tracking(0);
|
1841 |
} |
1842 |
|
1843 |
qemu_put_be64(f, RAM_SAVE_FLAG_EOS); |
1844 |
|
1845 |
expected_time = ram_save_remaining() * TARGET_PAGE_SIZE / bwidth; |
1846 |
|
1847 |
return (stage == 2) && (expected_time <= migrate_max_downtime()); |
1848 |
} |
1849 |
|
1850 |
static int ram_load(QEMUFile *f, void *opaque, int version_id) |
1851 |
{ |
1852 |
ram_addr_t addr; |
1853 |
int flags;
|
1854 |
|
1855 |
if (version_id != 3) |
1856 |
return -EINVAL;
|
1857 |
|
1858 |
do {
|
1859 |
addr = qemu_get_be64(f); |
1860 |
|
1861 |
flags = addr & ~TARGET_PAGE_MASK; |
1862 |
addr &= TARGET_PAGE_MASK; |
1863 |
|
1864 |
if (flags & RAM_SAVE_FLAG_MEM_SIZE) {
|
1865 |
if (addr != last_ram_offset)
|
1866 |
return -EINVAL;
|
1867 |
} |
1868 |
|
1869 |
if (flags & RAM_SAVE_FLAG_COMPRESS) {
|
1870 |
uint8_t ch = qemu_get_byte(f); |
1871 |
memset(qemu_get_ram_ptr(addr), ch, TARGET_PAGE_SIZE); |
1872 |
#ifndef _WIN32
|
1873 |
if (ch == 0 && |
1874 |
(!kvm_enabled() || kvm_has_sync_mmu())) { |
1875 |
madvise(qemu_get_ram_ptr(addr), TARGET_PAGE_SIZE, MADV_DONTNEED); |
1876 |
} |
1877 |
#endif
|
1878 |
} else if (flags & RAM_SAVE_FLAG_PAGE) { |
1879 |
qemu_get_buffer(f, qemu_get_ram_ptr(addr), TARGET_PAGE_SIZE); |
1880 |
} |
1881 |
if (qemu_file_has_error(f)) {
|
1882 |
return -EIO;
|
1883 |
} |
1884 |
} while (!(flags & RAM_SAVE_FLAG_EOS));
|
1885 |
|
1886 |
return 0; |
1887 |
} |
1888 |
|
1889 |
void qemu_service_io(void) |
1890 |
{ |
1891 |
qemu_notify_event(); |
1892 |
} |
1893 |
|
1894 |
/***********************************************************/
|
1895 |
/* machine registration */
|
1896 |
|
1897 |
static QEMUMachine *first_machine = NULL; |
1898 |
QEMUMachine *current_machine = NULL;
|
1899 |
|
1900 |
int qemu_register_machine(QEMUMachine *m)
|
1901 |
{ |
1902 |
QEMUMachine **pm; |
1903 |
pm = &first_machine; |
1904 |
while (*pm != NULL) |
1905 |
pm = &(*pm)->next; |
1906 |
m->next = NULL;
|
1907 |
*pm = m; |
1908 |
return 0; |
1909 |
} |
1910 |
|
1911 |
static QEMUMachine *find_machine(const char *name) |
1912 |
{ |
1913 |
QEMUMachine *m; |
1914 |
|
1915 |
for(m = first_machine; m != NULL; m = m->next) { |
1916 |
if (!strcmp(m->name, name))
|
1917 |
return m;
|
1918 |
if (m->alias && !strcmp(m->alias, name))
|
1919 |
return m;
|
1920 |
} |
1921 |
return NULL; |
1922 |
} |
1923 |
|
1924 |
static QEMUMachine *find_default_machine(void) |
1925 |
{ |
1926 |
QEMUMachine *m; |
1927 |
|
1928 |
for(m = first_machine; m != NULL; m = m->next) { |
1929 |
if (m->is_default) {
|
1930 |
return m;
|
1931 |
} |
1932 |
} |
1933 |
return NULL; |
1934 |
} |
1935 |
|
1936 |
/***********************************************************/
|
1937 |
/* main execution loop */
|
1938 |
|
1939 |
static void gui_update(void *opaque) |
1940 |
{ |
1941 |
uint64_t interval = GUI_REFRESH_INTERVAL; |
1942 |
DisplayState *ds = opaque; |
1943 |
DisplayChangeListener *dcl = ds->listeners; |
1944 |
|
1945 |
qemu_flush_coalesced_mmio_buffer(); |
1946 |
dpy_refresh(ds); |
1947 |
|
1948 |
while (dcl != NULL) { |
1949 |
if (dcl->gui_timer_interval &&
|
1950 |
dcl->gui_timer_interval < interval) |
1951 |
interval = dcl->gui_timer_interval; |
1952 |
dcl = dcl->next; |
1953 |
} |
1954 |
qemu_mod_timer(ds->gui_timer, interval + qemu_get_clock(rt_clock)); |
1955 |
} |
1956 |
|
1957 |
static void nographic_update(void *opaque) |
1958 |
{ |
1959 |
uint64_t interval = GUI_REFRESH_INTERVAL; |
1960 |
|
1961 |
qemu_flush_coalesced_mmio_buffer(); |
1962 |
qemu_mod_timer(nographic_timer, interval + qemu_get_clock(rt_clock)); |
1963 |
} |
1964 |
|
1965 |
void cpu_synchronize_all_states(void) |
1966 |
{ |
1967 |
CPUState *cpu; |
1968 |
|
1969 |
for (cpu = first_cpu; cpu; cpu = cpu->next_cpu) {
|
1970 |
cpu_synchronize_state(cpu); |
1971 |
} |
1972 |
} |
1973 |
|
1974 |
void cpu_synchronize_all_post_reset(void) |
1975 |
{ |
1976 |
CPUState *cpu; |
1977 |
|
1978 |
for (cpu = first_cpu; cpu; cpu = cpu->next_cpu) {
|
1979 |
cpu_synchronize_post_reset(cpu); |
1980 |
} |
1981 |
} |
1982 |
|
1983 |
void cpu_synchronize_all_post_init(void) |
1984 |
{ |
1985 |
CPUState *cpu; |
1986 |
|
1987 |
for (cpu = first_cpu; cpu; cpu = cpu->next_cpu) {
|
1988 |
cpu_synchronize_post_init(cpu); |
1989 |
} |
1990 |
} |
1991 |
|
1992 |
struct vm_change_state_entry {
|
1993 |
VMChangeStateHandler *cb; |
1994 |
void *opaque;
|
1995 |
QLIST_ENTRY (vm_change_state_entry) entries; |
1996 |
}; |
1997 |
|
1998 |
static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
|
1999 |
|
2000 |
VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb, |
2001 |
void *opaque)
|
2002 |
{ |
2003 |
VMChangeStateEntry *e; |
2004 |
|
2005 |
e = qemu_mallocz(sizeof (*e));
|
2006 |
|
2007 |
e->cb = cb; |
2008 |
e->opaque = opaque; |
2009 |
QLIST_INSERT_HEAD(&vm_change_state_head, e, entries); |
2010 |
return e;
|
2011 |
} |
2012 |
|
2013 |
void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
|
2014 |
{ |
2015 |
QLIST_REMOVE (e, entries); |
2016 |
qemu_free (e); |
2017 |
} |
2018 |
|
2019 |
static void vm_state_notify(int running, int reason) |
2020 |
{ |
2021 |
VMChangeStateEntry *e; |
2022 |
|
2023 |
for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
|
2024 |
e->cb(e->opaque, running, reason); |
2025 |
} |
2026 |
} |
2027 |
|
2028 |
static void resume_all_vcpus(void); |
2029 |
static void pause_all_vcpus(void); |
2030 |
|
2031 |
void vm_start(void) |
2032 |
{ |
2033 |
if (!vm_running) {
|
2034 |
cpu_enable_ticks(); |
2035 |
vm_running = 1;
|
2036 |
vm_state_notify(1, 0); |
2037 |
resume_all_vcpus(); |
2038 |
} |
2039 |
} |
2040 |
|
2041 |
/* reset/shutdown handler */
|
2042 |
|
2043 |
typedef struct QEMUResetEntry { |
2044 |
QTAILQ_ENTRY(QEMUResetEntry) entry; |
2045 |
QEMUResetHandler *func; |
2046 |
void *opaque;
|
2047 |
} QEMUResetEntry; |
2048 |
|
2049 |
static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
|
2050 |
QTAILQ_HEAD_INITIALIZER(reset_handlers); |
2051 |
static int reset_requested; |
2052 |
static int shutdown_requested; |
2053 |
static int powerdown_requested; |
2054 |
static int debug_requested; |
2055 |
static int vmstop_requested; |
2056 |
|
2057 |
int qemu_shutdown_requested(void) |
2058 |
{ |
2059 |
int r = shutdown_requested;
|
2060 |
shutdown_requested = 0;
|
2061 |
return r;
|
2062 |
} |
2063 |
|
2064 |
int qemu_reset_requested(void) |
2065 |
{ |
2066 |
int r = reset_requested;
|
2067 |
reset_requested = 0;
|
2068 |
return r;
|
2069 |
} |
2070 |
|
2071 |
int qemu_powerdown_requested(void) |
2072 |
{ |
2073 |
int r = powerdown_requested;
|
2074 |
powerdown_requested = 0;
|
2075 |
return r;
|
2076 |
} |
2077 |
|
2078 |
static int qemu_debug_requested(void) |
2079 |
{ |
2080 |
int r = debug_requested;
|
2081 |
debug_requested = 0;
|
2082 |
return r;
|
2083 |
} |
2084 |
|
2085 |
static int qemu_vmstop_requested(void) |
2086 |
{ |
2087 |
int r = vmstop_requested;
|
2088 |
vmstop_requested = 0;
|
2089 |
return r;
|
2090 |
} |
2091 |
|
2092 |
static void do_vm_stop(int reason) |
2093 |
{ |
2094 |
if (vm_running) {
|
2095 |
cpu_disable_ticks(); |
2096 |
vm_running = 0;
|
2097 |
pause_all_vcpus(); |
2098 |
vm_state_notify(0, reason);
|
2099 |
monitor_protocol_event(QEVENT_STOP, NULL);
|
2100 |
} |
2101 |
} |
2102 |
|
2103 |
void qemu_register_reset(QEMUResetHandler *func, void *opaque) |
2104 |
{ |
2105 |
QEMUResetEntry *re = qemu_mallocz(sizeof(QEMUResetEntry));
|
2106 |
|
2107 |
re->func = func; |
2108 |
re->opaque = opaque; |
2109 |
QTAILQ_INSERT_TAIL(&reset_handlers, re, entry); |
2110 |
} |
2111 |
|
2112 |
void qemu_unregister_reset(QEMUResetHandler *func, void *opaque) |
2113 |
{ |
2114 |
QEMUResetEntry *re; |
2115 |
|
2116 |
QTAILQ_FOREACH(re, &reset_handlers, entry) { |
2117 |
if (re->func == func && re->opaque == opaque) {
|
2118 |
QTAILQ_REMOVE(&reset_handlers, re, entry); |
2119 |
qemu_free(re); |
2120 |
return;
|
2121 |
} |
2122 |
} |
2123 |
} |
2124 |
|
2125 |
void qemu_system_reset(void) |
2126 |
{ |
2127 |
QEMUResetEntry *re, *nre; |
2128 |
|
2129 |
/* reset all devices */
|
2130 |
QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) { |
2131 |
re->func(re->opaque); |
2132 |
} |
2133 |
monitor_protocol_event(QEVENT_RESET, NULL);
|
2134 |
cpu_synchronize_all_post_reset(); |
2135 |
} |
2136 |
|
2137 |
void qemu_system_reset_request(void) |
2138 |
{ |
2139 |
if (no_reboot) {
|
2140 |
shutdown_requested = 1;
|
2141 |
} else {
|
2142 |
reset_requested = 1;
|
2143 |
} |
2144 |
qemu_notify_event(); |
2145 |
} |
2146 |
|
2147 |
void qemu_system_shutdown_request(void) |
2148 |
{ |
2149 |
shutdown_requested = 1;
|
2150 |
qemu_notify_event(); |
2151 |
} |
2152 |
|
2153 |
void qemu_system_powerdown_request(void) |
2154 |
{ |
2155 |
powerdown_requested = 1;
|
2156 |
qemu_notify_event(); |
2157 |
} |
2158 |
|
2159 |
static int cpu_can_run(CPUState *env) |
2160 |
{ |
2161 |
if (env->stop)
|
2162 |
return 0; |
2163 |
if (env->stopped)
|
2164 |
return 0; |
2165 |
if (!vm_running)
|
2166 |
return 0; |
2167 |
return 1; |
2168 |
} |
2169 |
|
2170 |
static int cpu_has_work(CPUState *env) |
2171 |
{ |
2172 |
if (env->stop)
|
2173 |
return 1; |
2174 |
if (env->stopped)
|
2175 |
return 0; |
2176 |
if (!env->halted)
|
2177 |
return 1; |
2178 |
if (qemu_cpu_has_work(env))
|
2179 |
return 1; |
2180 |
return 0; |
2181 |
} |
2182 |
|
2183 |
static int tcg_has_work(void) |
2184 |
{ |
2185 |
CPUState *env; |
2186 |
|
2187 |
for (env = first_cpu; env != NULL; env = env->next_cpu) |
2188 |
if (cpu_has_work(env))
|
2189 |
return 1; |
2190 |
return 0; |
2191 |
} |
2192 |
|
2193 |
#ifndef _WIN32
|
2194 |
static int io_thread_fd = -1; |
2195 |
|
2196 |
static void qemu_event_increment(void) |
2197 |
{ |
2198 |
/* Write 8 bytes to be compatible with eventfd. */
|
2199 |
static uint64_t val = 1; |
2200 |
ssize_t ret; |
2201 |
|
2202 |
if (io_thread_fd == -1) |
2203 |
return;
|
2204 |
|
2205 |
do {
|
2206 |
ret = write(io_thread_fd, &val, sizeof(val));
|
2207 |
} while (ret < 0 && errno == EINTR); |
2208 |
|
2209 |
/* EAGAIN is fine, a read must be pending. */
|
2210 |
if (ret < 0 && errno != EAGAIN) { |
2211 |
fprintf(stderr, "qemu_event_increment: write() filed: %s\n",
|
2212 |
strerror(errno)); |
2213 |
exit (1);
|
2214 |
} |
2215 |
} |
2216 |
|
2217 |
static void qemu_event_read(void *opaque) |
2218 |
{ |
2219 |
int fd = (unsigned long)opaque; |
2220 |
ssize_t len; |
2221 |
char buffer[512]; |
2222 |
|
2223 |
/* Drain the notify pipe. For eventfd, only 8 bytes will be read. */
|
2224 |
do {
|
2225 |
len = read(fd, buffer, sizeof(buffer));
|
2226 |
} while ((len == -1 && errno == EINTR) || len == sizeof(buffer)); |
2227 |
} |
2228 |
|
2229 |
static int qemu_event_init(void) |
2230 |
{ |
2231 |
int err;
|
2232 |
int fds[2]; |
2233 |
|
2234 |
err = qemu_eventfd(fds); |
2235 |
if (err == -1) |
2236 |
return -errno;
|
2237 |
|
2238 |
err = fcntl_setfl(fds[0], O_NONBLOCK);
|
2239 |
if (err < 0) |
2240 |
goto fail;
|
2241 |
|
2242 |
err = fcntl_setfl(fds[1], O_NONBLOCK);
|
2243 |
if (err < 0) |
2244 |
goto fail;
|
2245 |
|
2246 |
qemu_set_fd_handler2(fds[0], NULL, qemu_event_read, NULL, |
2247 |
(void *)(unsigned long)fds[0]); |
2248 |
|
2249 |
io_thread_fd = fds[1];
|
2250 |
return 0; |
2251 |
|
2252 |
fail:
|
2253 |
close(fds[0]);
|
2254 |
close(fds[1]);
|
2255 |
return err;
|
2256 |
} |
2257 |
#else
|
2258 |
HANDLE qemu_event_handle; |
2259 |
|
2260 |
static void dummy_event_handler(void *opaque) |
2261 |
{ |
2262 |
} |
2263 |
|
2264 |
static int qemu_event_init(void) |
2265 |
{ |
2266 |
qemu_event_handle = CreateEvent(NULL, FALSE, FALSE, NULL); |
2267 |
if (!qemu_event_handle) {
|
2268 |
fprintf(stderr, "Failed CreateEvent: %ld\n", GetLastError());
|
2269 |
return -1; |
2270 |
} |
2271 |
qemu_add_wait_object(qemu_event_handle, dummy_event_handler, NULL);
|
2272 |
return 0; |
2273 |
} |
2274 |
|
2275 |
static void qemu_event_increment(void) |
2276 |
{ |
2277 |
if (!SetEvent(qemu_event_handle)) {
|
2278 |
fprintf(stderr, "qemu_event_increment: SetEvent failed: %ld\n",
|
2279 |
GetLastError()); |
2280 |
exit (1);
|
2281 |
} |
2282 |
} |
2283 |
#endif
|
2284 |
|
2285 |
#ifndef CONFIG_IOTHREAD
|
2286 |
static int qemu_init_main_loop(void) |
2287 |
{ |
2288 |
return qemu_event_init();
|
2289 |
} |
2290 |
|
2291 |
void qemu_init_vcpu(void *_env) |
2292 |
{ |
2293 |
CPUState *env = _env; |
2294 |
|
2295 |
env->nr_cores = smp_cores; |
2296 |
env->nr_threads = smp_threads; |
2297 |
if (kvm_enabled())
|
2298 |
kvm_init_vcpu(env); |
2299 |
return;
|
2300 |
} |
2301 |
|
2302 |
int qemu_cpu_self(void *env) |
2303 |
{ |
2304 |
return 1; |
2305 |
} |
2306 |
|
2307 |
static void resume_all_vcpus(void) |
2308 |
{ |
2309 |
} |
2310 |
|
2311 |
static void pause_all_vcpus(void) |
2312 |
{ |
2313 |
} |
2314 |
|
2315 |
void qemu_cpu_kick(void *env) |
2316 |
{ |
2317 |
return;
|
2318 |
} |
2319 |
|
2320 |
void qemu_notify_event(void) |
2321 |
{ |
2322 |
CPUState *env = cpu_single_env; |
2323 |
|
2324 |
qemu_event_increment (); |
2325 |
if (env) {
|
2326 |
cpu_exit(env); |
2327 |
} |
2328 |
if (next_cpu && env != next_cpu) {
|
2329 |
cpu_exit(next_cpu); |
2330 |
} |
2331 |
} |
2332 |
|
2333 |
void qemu_mutex_lock_iothread(void) {} |
2334 |
void qemu_mutex_unlock_iothread(void) {} |
2335 |
|
2336 |
void vm_stop(int reason) |
2337 |
{ |
2338 |
do_vm_stop(reason); |
2339 |
} |
2340 |
|
2341 |
#else /* CONFIG_IOTHREAD */ |
2342 |
|
2343 |
#include "qemu-thread.h" |
2344 |
|
2345 |
QemuMutex qemu_global_mutex; |
2346 |
static QemuMutex qemu_fair_mutex;
|
2347 |
|
2348 |
static QemuThread io_thread;
|
2349 |
|
2350 |
static QemuThread *tcg_cpu_thread;
|
2351 |
static QemuCond *tcg_halt_cond;
|
2352 |
|
2353 |
static int qemu_system_ready; |
2354 |
/* cpu creation */
|
2355 |
static QemuCond qemu_cpu_cond;
|
2356 |
/* system init */
|
2357 |
static QemuCond qemu_system_cond;
|
2358 |
static QemuCond qemu_pause_cond;
|
2359 |
|
2360 |
static void tcg_block_io_signals(void); |
2361 |
static void kvm_block_io_signals(CPUState *env); |
2362 |
static void unblock_io_signals(void); |
2363 |
|
2364 |
static int qemu_init_main_loop(void) |
2365 |
{ |
2366 |
int ret;
|
2367 |
|
2368 |
ret = qemu_event_init(); |
2369 |
if (ret)
|
2370 |
return ret;
|
2371 |
|
2372 |
qemu_cond_init(&qemu_pause_cond); |
2373 |
qemu_mutex_init(&qemu_fair_mutex); |
2374 |
qemu_mutex_init(&qemu_global_mutex); |
2375 |
qemu_mutex_lock(&qemu_global_mutex); |
2376 |
|
2377 |
unblock_io_signals(); |
2378 |
qemu_thread_self(&io_thread); |
2379 |
|
2380 |
return 0; |
2381 |
} |
2382 |
|
2383 |
static void qemu_wait_io_event_common(CPUState *env) |
2384 |
{ |
2385 |
if (env->stop) {
|
2386 |
env->stop = 0;
|
2387 |
env->stopped = 1;
|
2388 |
qemu_cond_signal(&qemu_pause_cond); |
2389 |
} |
2390 |
} |
2391 |
|
2392 |
static void qemu_wait_io_event(CPUState *env) |
2393 |
{ |
2394 |
while (!tcg_has_work())
|
2395 |
qemu_cond_timedwait(env->halt_cond, &qemu_global_mutex, 1000);
|
2396 |
|
2397 |
qemu_mutex_unlock(&qemu_global_mutex); |
2398 |
|
2399 |
/*
|
2400 |
* Users of qemu_global_mutex can be starved, having no chance
|
2401 |
* to acquire it since this path will get to it first.
|
2402 |
* So use another lock to provide fairness.
|
2403 |
*/
|
2404 |
qemu_mutex_lock(&qemu_fair_mutex); |
2405 |
qemu_mutex_unlock(&qemu_fair_mutex); |
2406 |
|
2407 |
qemu_mutex_lock(&qemu_global_mutex); |
2408 |
qemu_wait_io_event_common(env); |
2409 |
} |
2410 |
|
2411 |
static void qemu_kvm_eat_signal(CPUState *env, int timeout) |
2412 |
{ |
2413 |
struct timespec ts;
|
2414 |
int r, e;
|
2415 |
siginfo_t siginfo; |
2416 |
sigset_t waitset; |
2417 |
|
2418 |
ts.tv_sec = timeout / 1000;
|
2419 |
ts.tv_nsec = (timeout % 1000) * 1000000; |
2420 |
|
2421 |
sigemptyset(&waitset); |
2422 |
sigaddset(&waitset, SIG_IPI); |
2423 |
|
2424 |
qemu_mutex_unlock(&qemu_global_mutex); |
2425 |
r = sigtimedwait(&waitset, &siginfo, &ts); |
2426 |
e = errno; |
2427 |
qemu_mutex_lock(&qemu_global_mutex); |
2428 |
|
2429 |
if (r == -1 && !(e == EAGAIN || e == EINTR)) { |
2430 |
fprintf(stderr, "sigtimedwait: %s\n", strerror(e));
|
2431 |
exit(1);
|
2432 |
} |
2433 |
} |
2434 |
|
2435 |
static void qemu_kvm_wait_io_event(CPUState *env) |
2436 |
{ |
2437 |
while (!cpu_has_work(env))
|
2438 |
qemu_cond_timedwait(env->halt_cond, &qemu_global_mutex, 1000);
|
2439 |
|
2440 |
qemu_kvm_eat_signal(env, 0);
|
2441 |
qemu_wait_io_event_common(env); |
2442 |
} |
2443 |
|
2444 |
static int qemu_cpu_exec(CPUState *env); |
2445 |
|
2446 |
static void *kvm_cpu_thread_fn(void *arg) |
2447 |
{ |
2448 |
CPUState *env = arg; |
2449 |
|
2450 |
qemu_thread_self(env->thread); |
2451 |
if (kvm_enabled())
|
2452 |
kvm_init_vcpu(env); |
2453 |
|
2454 |
kvm_block_io_signals(env); |
2455 |
|
2456 |
/* signal CPU creation */
|
2457 |
qemu_mutex_lock(&qemu_global_mutex); |
2458 |
env->created = 1;
|
2459 |
qemu_cond_signal(&qemu_cpu_cond); |
2460 |
|
2461 |
/* and wait for machine initialization */
|
2462 |
while (!qemu_system_ready)
|
2463 |
qemu_cond_timedwait(&qemu_system_cond, &qemu_global_mutex, 100);
|
2464 |
|
2465 |
while (1) { |
2466 |
if (cpu_can_run(env))
|
2467 |
qemu_cpu_exec(env); |
2468 |
qemu_kvm_wait_io_event(env); |
2469 |
} |
2470 |
|
2471 |
return NULL; |
2472 |
} |
2473 |
|
2474 |
static bool tcg_cpu_exec(void); |
2475 |
|
2476 |
static void *tcg_cpu_thread_fn(void *arg) |
2477 |
{ |
2478 |
CPUState *env = arg; |
2479 |
|
2480 |
tcg_block_io_signals(); |
2481 |
qemu_thread_self(env->thread); |
2482 |
|
2483 |
/* signal CPU creation */
|
2484 |
qemu_mutex_lock(&qemu_global_mutex); |
2485 |
for (env = first_cpu; env != NULL; env = env->next_cpu) |
2486 |
env->created = 1;
|
2487 |
qemu_cond_signal(&qemu_cpu_cond); |
2488 |
|
2489 |
/* and wait for machine initialization */
|
2490 |
while (!qemu_system_ready)
|
2491 |
qemu_cond_timedwait(&qemu_system_cond, &qemu_global_mutex, 100);
|
2492 |
|
2493 |
while (1) { |
2494 |
tcg_cpu_exec(); |
2495 |
qemu_wait_io_event(cur_cpu); |
2496 |
} |
2497 |
|
2498 |
return NULL; |
2499 |
} |
2500 |
|
2501 |
void qemu_cpu_kick(void *_env) |
2502 |
{ |
2503 |
CPUState *env = _env; |
2504 |
qemu_cond_broadcast(env->halt_cond); |
2505 |
if (kvm_enabled())
|
2506 |
qemu_thread_signal(env->thread, SIG_IPI); |
2507 |
} |
2508 |
|
2509 |
int qemu_cpu_self(void *_env) |
2510 |
{ |
2511 |
CPUState *env = _env; |
2512 |
QemuThread this; |
2513 |
|
2514 |
qemu_thread_self(&this); |
2515 |
|
2516 |
return qemu_thread_equal(&this, env->thread);
|
2517 |
} |
2518 |
|
2519 |
static void cpu_signal(int sig) |
2520 |
{ |
2521 |
if (cpu_single_env)
|
2522 |
cpu_exit(cpu_single_env); |
2523 |
} |
2524 |
|
2525 |
static void tcg_block_io_signals(void) |
2526 |
{ |
2527 |
sigset_t set; |
2528 |
struct sigaction sigact;
|
2529 |
|
2530 |
sigemptyset(&set); |
2531 |
sigaddset(&set, SIGUSR2); |
2532 |
sigaddset(&set, SIGIO); |
2533 |
sigaddset(&set, SIGALRM); |
2534 |
sigaddset(&set, SIGCHLD); |
2535 |
pthread_sigmask(SIG_BLOCK, &set, NULL);
|
2536 |
|
2537 |
sigemptyset(&set); |
2538 |
sigaddset(&set, SIG_IPI); |
2539 |
pthread_sigmask(SIG_UNBLOCK, &set, NULL);
|
2540 |
|
2541 |
memset(&sigact, 0, sizeof(sigact)); |
2542 |
sigact.sa_handler = cpu_signal; |
2543 |
sigaction(SIG_IPI, &sigact, NULL);
|
2544 |
} |
2545 |
|
2546 |
static void dummy_signal(int sig) |
2547 |
{ |
2548 |
} |
2549 |
|
2550 |
static void kvm_block_io_signals(CPUState *env) |
2551 |
{ |
2552 |
int r;
|
2553 |
sigset_t set; |
2554 |
struct sigaction sigact;
|
2555 |
|
2556 |
sigemptyset(&set); |
2557 |
sigaddset(&set, SIGUSR2); |
2558 |
sigaddset(&set, SIGIO); |
2559 |
sigaddset(&set, SIGALRM); |
2560 |
sigaddset(&set, SIGCHLD); |
2561 |
sigaddset(&set, SIG_IPI); |
2562 |
pthread_sigmask(SIG_BLOCK, &set, NULL);
|
2563 |
|
2564 |
pthread_sigmask(SIG_BLOCK, NULL, &set);
|
2565 |
sigdelset(&set, SIG_IPI); |
2566 |
|
2567 |
memset(&sigact, 0, sizeof(sigact)); |
2568 |
sigact.sa_handler = dummy_signal; |
2569 |
sigaction(SIG_IPI, &sigact, NULL);
|
2570 |
|
2571 |
r = kvm_set_signal_mask(env, &set); |
2572 |
if (r) {
|
2573 |
fprintf(stderr, "kvm_set_signal_mask: %s\n", strerror(r));
|
2574 |
exit(1);
|
2575 |
} |
2576 |
} |
2577 |
|
2578 |
static void unblock_io_signals(void) |
2579 |
{ |
2580 |
sigset_t set; |
2581 |
|
2582 |
sigemptyset(&set); |
2583 |
sigaddset(&set, SIGUSR2); |
2584 |
sigaddset(&set, SIGIO); |
2585 |
sigaddset(&set, SIGALRM); |
2586 |
pthread_sigmask(SIG_UNBLOCK, &set, NULL);
|
2587 |
|
2588 |
sigemptyset(&set); |
2589 |
sigaddset(&set, SIG_IPI); |
2590 |
pthread_sigmask(SIG_BLOCK, &set, NULL);
|
2591 |
} |
2592 |
|
2593 |
static void qemu_signal_lock(unsigned int msecs) |
2594 |
{ |
2595 |
qemu_mutex_lock(&qemu_fair_mutex); |
2596 |
|
2597 |
while (qemu_mutex_trylock(&qemu_global_mutex)) {
|
2598 |
qemu_thread_signal(tcg_cpu_thread, SIG_IPI); |
2599 |
if (!qemu_mutex_timedlock(&qemu_global_mutex, msecs))
|
2600 |
break;
|
2601 |
} |
2602 |
qemu_mutex_unlock(&qemu_fair_mutex); |
2603 |
} |
2604 |
|
2605 |
void qemu_mutex_lock_iothread(void) |
2606 |
{ |
2607 |
if (kvm_enabled()) {
|
2608 |
qemu_mutex_lock(&qemu_fair_mutex); |
2609 |
qemu_mutex_lock(&qemu_global_mutex); |
2610 |
qemu_mutex_unlock(&qemu_fair_mutex); |
2611 |
} else
|
2612 |
qemu_signal_lock(100);
|
2613 |
} |
2614 |
|
2615 |
void qemu_mutex_unlock_iothread(void) |
2616 |
{ |
2617 |
qemu_mutex_unlock(&qemu_global_mutex); |
2618 |
} |
2619 |
|
2620 |
static int all_vcpus_paused(void) |
2621 |
{ |
2622 |
CPUState *penv = first_cpu; |
2623 |
|
2624 |
while (penv) {
|
2625 |
if (!penv->stopped)
|
2626 |
return 0; |
2627 |
penv = (CPUState *)penv->next_cpu; |
2628 |
} |
2629 |
|
2630 |
return 1; |
2631 |
} |
2632 |
|
2633 |
static void pause_all_vcpus(void) |
2634 |
{ |
2635 |
CPUState *penv = first_cpu; |
2636 |
|
2637 |
while (penv) {
|
2638 |
penv->stop = 1;
|
2639 |
qemu_thread_signal(penv->thread, SIG_IPI); |
2640 |
qemu_cpu_kick(penv); |
2641 |
penv = (CPUState *)penv->next_cpu; |
2642 |
} |
2643 |
|
2644 |
while (!all_vcpus_paused()) {
|
2645 |
qemu_cond_timedwait(&qemu_pause_cond, &qemu_global_mutex, 100);
|
2646 |
penv = first_cpu; |
2647 |
while (penv) {
|
2648 |
qemu_thread_signal(penv->thread, SIG_IPI); |
2649 |
penv = (CPUState *)penv->next_cpu; |
2650 |
} |
2651 |
} |
2652 |
} |
2653 |
|
2654 |
static void resume_all_vcpus(void) |
2655 |
{ |
2656 |
CPUState *penv = first_cpu; |
2657 |
|
2658 |
while (penv) {
|
2659 |
penv->stop = 0;
|
2660 |
penv->stopped = 0;
|
2661 |
qemu_thread_signal(penv->thread, SIG_IPI); |
2662 |
qemu_cpu_kick(penv); |
2663 |
penv = (CPUState *)penv->next_cpu; |
2664 |
} |
2665 |
} |
2666 |
|
2667 |
static void tcg_init_vcpu(void *_env) |
2668 |
{ |
2669 |
CPUState *env = _env; |
2670 |
/* share a single thread for all cpus with TCG */
|
2671 |
if (!tcg_cpu_thread) {
|
2672 |
env->thread = qemu_mallocz(sizeof(QemuThread));
|
2673 |
env->halt_cond = qemu_mallocz(sizeof(QemuCond));
|
2674 |
qemu_cond_init(env->halt_cond); |
2675 |
qemu_thread_create(env->thread, tcg_cpu_thread_fn, env); |
2676 |
while (env->created == 0) |
2677 |
qemu_cond_timedwait(&qemu_cpu_cond, &qemu_global_mutex, 100);
|
2678 |
tcg_cpu_thread = env->thread; |
2679 |
tcg_halt_cond = env->halt_cond; |
2680 |
} else {
|
2681 |
env->thread = tcg_cpu_thread; |
2682 |
env->halt_cond = tcg_halt_cond; |
2683 |
} |
2684 |
} |
2685 |
|
2686 |
static void kvm_start_vcpu(CPUState *env) |
2687 |
{ |
2688 |
env->thread = qemu_mallocz(sizeof(QemuThread));
|
2689 |
env->halt_cond = qemu_mallocz(sizeof(QemuCond));
|
2690 |
qemu_cond_init(env->halt_cond); |
2691 |
qemu_thread_create(env->thread, kvm_cpu_thread_fn, env); |
2692 |
while (env->created == 0) |
2693 |
qemu_cond_timedwait(&qemu_cpu_cond, &qemu_global_mutex, 100);
|
2694 |
} |
2695 |
|
2696 |
void qemu_init_vcpu(void *_env) |
2697 |
{ |
2698 |
CPUState *env = _env; |
2699 |
|
2700 |
env->nr_cores = smp_cores; |
2701 |
env->nr_threads = smp_threads; |
2702 |
if (kvm_enabled())
|
2703 |
kvm_start_vcpu(env); |
2704 |
else
|
2705 |
tcg_init_vcpu(env); |
2706 |
} |
2707 |
|
2708 |
void qemu_notify_event(void) |
2709 |
{ |
2710 |
qemu_event_increment(); |
2711 |
} |
2712 |
|
2713 |
static void qemu_system_vmstop_request(int reason) |
2714 |
{ |
2715 |
vmstop_requested = reason; |
2716 |
qemu_notify_event(); |
2717 |
} |
2718 |
|
2719 |
void vm_stop(int reason) |
2720 |
{ |
2721 |
QemuThread me; |
2722 |
qemu_thread_self(&me); |
2723 |
|
2724 |
if (!qemu_thread_equal(&me, &io_thread)) {
|
2725 |
qemu_system_vmstop_request(reason); |
2726 |
/*
|
2727 |
* FIXME: should not return to device code in case
|
2728 |
* vm_stop() has been requested.
|
2729 |
*/
|
2730 |
if (cpu_single_env) {
|
2731 |
cpu_exit(cpu_single_env); |
2732 |
cpu_single_env->stop = 1;
|
2733 |
} |
2734 |
return;
|
2735 |
} |
2736 |
do_vm_stop(reason); |
2737 |
} |
2738 |
|
2739 |
#endif
|
2740 |
|
2741 |
|
2742 |
#ifdef _WIN32
|
2743 |
static void host_main_loop_wait(int *timeout) |
2744 |
{ |
2745 |
int ret, ret2, i;
|
2746 |
PollingEntry *pe; |
2747 |
|
2748 |
|
2749 |
/* XXX: need to suppress polling by better using win32 events */
|
2750 |
ret = 0;
|
2751 |
for(pe = first_polling_entry; pe != NULL; pe = pe->next) { |
2752 |
ret |= pe->func(pe->opaque); |
2753 |
} |
2754 |
if (ret == 0) { |
2755 |
int err;
|
2756 |
WaitObjects *w = &wait_objects; |
2757 |
|
2758 |
ret = WaitForMultipleObjects(w->num, w->events, FALSE, *timeout); |
2759 |
if (WAIT_OBJECT_0 + 0 <= ret && ret <= WAIT_OBJECT_0 + w->num - 1) { |
2760 |
if (w->func[ret - WAIT_OBJECT_0])
|
2761 |
w->func[ret - WAIT_OBJECT_0](w->opaque[ret - WAIT_OBJECT_0]); |
2762 |
|
2763 |
/* Check for additional signaled events */
|
2764 |
for(i = (ret - WAIT_OBJECT_0 + 1); i < w->num; i++) { |
2765 |
|
2766 |
/* Check if event is signaled */
|
2767 |
ret2 = WaitForSingleObject(w->events[i], 0);
|
2768 |
if(ret2 == WAIT_OBJECT_0) {
|
2769 |
if (w->func[i])
|
2770 |
w->func[i](w->opaque[i]); |
2771 |
} else if (ret2 == WAIT_TIMEOUT) { |
2772 |
} else {
|
2773 |
err = GetLastError(); |
2774 |
fprintf(stderr, "WaitForSingleObject error %d %d\n", i, err);
|
2775 |
} |
2776 |
} |
2777 |
} else if (ret == WAIT_TIMEOUT) { |
2778 |
} else {
|
2779 |
err = GetLastError(); |
2780 |
fprintf(stderr, "WaitForMultipleObjects error %d %d\n", ret, err);
|
2781 |
} |
2782 |
} |
2783 |
|
2784 |
*timeout = 0;
|
2785 |
} |
2786 |
#else
|
2787 |
static void host_main_loop_wait(int *timeout) |
2788 |
{ |
2789 |
} |
2790 |
#endif
|
2791 |
|
2792 |
void main_loop_wait(int nonblocking) |
2793 |
{ |
2794 |
IOHandlerRecord *ioh; |
2795 |
fd_set rfds, wfds, xfds; |
2796 |
int ret, nfds;
|
2797 |
struct timeval tv;
|
2798 |
int timeout;
|
2799 |
|
2800 |
if (nonblocking)
|
2801 |
timeout = 0;
|
2802 |
else {
|
2803 |
timeout = qemu_calculate_timeout(); |
2804 |
qemu_bh_update_timeout(&timeout); |
2805 |
} |
2806 |
|
2807 |
host_main_loop_wait(&timeout); |
2808 |
|
2809 |
/* poll any events */
|
2810 |
/* XXX: separate device handlers from system ones */
|
2811 |
nfds = -1;
|
2812 |
FD_ZERO(&rfds); |
2813 |
FD_ZERO(&wfds); |
2814 |
FD_ZERO(&xfds); |
2815 |
QLIST_FOREACH(ioh, &io_handlers, next) { |
2816 |
if (ioh->deleted)
|
2817 |
continue;
|
2818 |
if (ioh->fd_read &&
|
2819 |
(!ioh->fd_read_poll || |
2820 |
ioh->fd_read_poll(ioh->opaque) != 0)) {
|
2821 |
FD_SET(ioh->fd, &rfds); |
2822 |
if (ioh->fd > nfds)
|
2823 |
nfds = ioh->fd; |
2824 |
} |
2825 |
if (ioh->fd_write) {
|
2826 |
FD_SET(ioh->fd, &wfds); |
2827 |
if (ioh->fd > nfds)
|
2828 |
nfds = ioh->fd; |
2829 |
} |
2830 |
} |
2831 |
|
2832 |
tv.tv_sec = timeout / 1000;
|
2833 |
tv.tv_usec = (timeout % 1000) * 1000; |
2834 |
|
2835 |
slirp_select_fill(&nfds, &rfds, &wfds, &xfds); |
2836 |
|
2837 |
qemu_mutex_unlock_iothread(); |
2838 |
ret = select(nfds + 1, &rfds, &wfds, &xfds, &tv);
|
2839 |
qemu_mutex_lock_iothread(); |
2840 |
if (ret > 0) { |
2841 |
IOHandlerRecord *pioh; |
2842 |
|
2843 |
QLIST_FOREACH_SAFE(ioh, &io_handlers, next, pioh) { |
2844 |
if (ioh->deleted) {
|
2845 |
QLIST_REMOVE(ioh, next); |
2846 |
qemu_free(ioh); |
2847 |
continue;
|
2848 |
} |
2849 |
if (ioh->fd_read && FD_ISSET(ioh->fd, &rfds)) {
|
2850 |
ioh->fd_read(ioh->opaque); |
2851 |
} |
2852 |
if (ioh->fd_write && FD_ISSET(ioh->fd, &wfds)) {
|
2853 |
ioh->fd_write(ioh->opaque); |
2854 |
} |
2855 |
} |
2856 |
} |
2857 |
|
2858 |
slirp_select_poll(&rfds, &wfds, &xfds, (ret < 0));
|
2859 |
|
2860 |
qemu_run_all_timers(); |
2861 |
|
2862 |
/* Check bottom-halves last in case any of the earlier events triggered
|
2863 |
them. */
|
2864 |
qemu_bh_poll(); |
2865 |
|
2866 |
} |
2867 |
|
2868 |
static int qemu_cpu_exec(CPUState *env) |
2869 |
{ |
2870 |
int ret;
|
2871 |
#ifdef CONFIG_PROFILER
|
2872 |
int64_t ti; |
2873 |
#endif
|
2874 |
|
2875 |
#ifdef CONFIG_PROFILER
|
2876 |
ti = profile_getclock(); |
2877 |
#endif
|
2878 |
if (use_icount) {
|
2879 |
int64_t count; |
2880 |
int decr;
|
2881 |
qemu_icount -= (env->icount_decr.u16.low + env->icount_extra); |
2882 |
env->icount_decr.u16.low = 0;
|
2883 |
env->icount_extra = 0;
|
2884 |
count = qemu_icount_round (qemu_next_deadline()); |
2885 |
qemu_icount += count; |
2886 |
decr = (count > 0xffff) ? 0xffff : count; |
2887 |
count -= decr; |
2888 |
env->icount_decr.u16.low = decr; |
2889 |
env->icount_extra = count; |
2890 |
} |
2891 |
ret = cpu_exec(env); |
2892 |
#ifdef CONFIG_PROFILER
|
2893 |
qemu_time += profile_getclock() - ti; |
2894 |
#endif
|
2895 |
if (use_icount) {
|
2896 |
/* Fold pending instructions back into the
|
2897 |
instruction counter, and clear the interrupt flag. */
|
2898 |
qemu_icount -= (env->icount_decr.u16.low |
2899 |
+ env->icount_extra); |
2900 |
env->icount_decr.u32 = 0;
|
2901 |
env->icount_extra = 0;
|
2902 |
} |
2903 |
return ret;
|
2904 |
} |
2905 |
|
2906 |
static bool tcg_cpu_exec(void) |
2907 |
{ |
2908 |
int ret = 0; |
2909 |
|
2910 |
if (next_cpu == NULL) |
2911 |
next_cpu = first_cpu; |
2912 |
for (; next_cpu != NULL; next_cpu = next_cpu->next_cpu) { |
2913 |
CPUState *env = cur_cpu = next_cpu; |
2914 |
|
2915 |
qemu_clock_enable(vm_clock, |
2916 |
(cur_cpu->singlestep_enabled & SSTEP_NOTIMER) == 0);
|
2917 |
|
2918 |
if (qemu_alarm_pending())
|
2919 |
break;
|
2920 |
if (cpu_can_run(env))
|
2921 |
ret = qemu_cpu_exec(env); |
2922 |
else if (env->stop) |
2923 |
break;
|
2924 |
|
2925 |
if (ret == EXCP_DEBUG) {
|
2926 |
gdb_set_stop_cpu(env); |
2927 |
debug_requested = EXCP_DEBUG; |
2928 |
break;
|
2929 |
} |
2930 |
} |
2931 |
return tcg_has_work();
|
2932 |
} |
2933 |
|
2934 |
static void set_numa_modes(void) |
2935 |
{ |
2936 |
CPUState *env; |
2937 |
int i;
|
2938 |
|
2939 |
for (env = first_cpu; env != NULL; env = env->next_cpu) { |
2940 |
for (i = 0; i < nb_numa_nodes; i++) { |
2941 |
if (node_cpumask[i] & (1 << env->cpu_index)) { |
2942 |
env->numa_node = i; |
2943 |
} |
2944 |
} |
2945 |
} |
2946 |
} |
2947 |
|
2948 |
static void set_cpu_log(const char *optarg) |
2949 |
{ |
2950 |
int mask;
|
2951 |
const CPULogItem *item;
|
2952 |
|
2953 |
mask = cpu_str_to_log_mask(optarg); |
2954 |
if (!mask) {
|
2955 |
printf("Log items (comma separated):\n");
|
2956 |
for (item = cpu_log_items; item->mask != 0; item++) { |
2957 |
printf("%-10s %s\n", item->name, item->help);
|
2958 |
} |
2959 |
exit(1);
|
2960 |
} |
2961 |
cpu_set_log(mask); |
2962 |
} |
2963 |
|
2964 |
static int vm_can_run(void) |
2965 |
{ |
2966 |
if (powerdown_requested)
|
2967 |
return 0; |
2968 |
if (reset_requested)
|
2969 |
return 0; |
2970 |
if (shutdown_requested)
|
2971 |
return 0; |
2972 |
if (debug_requested)
|
2973 |
return 0; |
2974 |
return 1; |
2975 |
} |
2976 |
|
2977 |
qemu_irq qemu_system_powerdown; |
2978 |
|
2979 |
static void main_loop(void) |
2980 |
{ |
2981 |
int r;
|
2982 |
|
2983 |
#ifdef CONFIG_IOTHREAD
|
2984 |
qemu_system_ready = 1;
|
2985 |
qemu_cond_broadcast(&qemu_system_cond); |
2986 |
#endif
|
2987 |
|
2988 |
for (;;) {
|
2989 |
do {
|
2990 |
bool nonblocking = false; |
2991 |
#ifdef CONFIG_PROFILER
|
2992 |
int64_t ti; |
2993 |
#endif
|
2994 |
#ifndef CONFIG_IOTHREAD
|
2995 |
nonblocking = tcg_cpu_exec(); |
2996 |
#endif
|
2997 |
#ifdef CONFIG_PROFILER
|
2998 |
ti = profile_getclock(); |
2999 |
#endif
|
3000 |
main_loop_wait(nonblocking); |
3001 |
#ifdef CONFIG_PROFILER
|
3002 |
dev_time += profile_getclock() - ti; |
3003 |
#endif
|
3004 |
} while (vm_can_run());
|
3005 |
|
3006 |
if ((r = qemu_debug_requested())) {
|
3007 |
vm_stop(r); |
3008 |
} |
3009 |
if (qemu_shutdown_requested()) {
|
3010 |
monitor_protocol_event(QEVENT_SHUTDOWN, NULL);
|
3011 |
if (no_shutdown) {
|
3012 |
vm_stop(0);
|
3013 |
no_shutdown = 0;
|
3014 |
} else
|
3015 |
break;
|
3016 |
} |
3017 |
if (qemu_reset_requested()) {
|
3018 |
pause_all_vcpus(); |
3019 |
qemu_system_reset(); |
3020 |
resume_all_vcpus(); |
3021 |
} |
3022 |
if (qemu_powerdown_requested()) {
|
3023 |
monitor_protocol_event(QEVENT_POWERDOWN, NULL);
|
3024 |
qemu_irq_raise(qemu_system_powerdown); |
3025 |
} |
3026 |
if ((r = qemu_vmstop_requested())) {
|
3027 |
vm_stop(r); |
3028 |
} |
3029 |
} |
3030 |
pause_all_vcpus(); |
3031 |
} |
3032 |
|
3033 |
static void version(void) |
3034 |
{ |
3035 |
printf("QEMU PC emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n"); |
3036 |
} |
3037 |
|
3038 |
static void help(int exitcode) |
3039 |
{ |
3040 |
const char *options_help = |
3041 |
#define DEF(option, opt_arg, opt_enum, opt_help) \
|
3042 |
opt_help |
3043 |
#define DEFHEADING(text) stringify(text) "\n" |
3044 |
#include "qemu-options.h" |
3045 |
#undef DEF
|
3046 |
#undef DEFHEADING
|
3047 |
#undef GEN_DOCS
|
3048 |
; |
3049 |
version(); |
3050 |
printf("usage: %s [options] [disk_image]\n"
|
3051 |
"\n"
|
3052 |
"'disk_image' is a raw hard image image for IDE hard disk 0\n"
|
3053 |
"\n"
|
3054 |
"%s\n"
|
3055 |
"During emulation, the following keys are useful:\n"
|
3056 |
"ctrl-alt-f toggle full screen\n"
|
3057 |
"ctrl-alt-n switch to virtual console 'n'\n"
|
3058 |
"ctrl-alt toggle mouse and keyboard grab\n"
|
3059 |
"\n"
|
3060 |
"When using -nographic, press 'ctrl-a h' to get some help.\n",
|
3061 |
"qemu",
|
3062 |
options_help); |
3063 |
exit(exitcode); |
3064 |
} |
3065 |
|
3066 |
#define HAS_ARG 0x0001 |
3067 |
|
3068 |
enum {
|
3069 |
#define DEF(option, opt_arg, opt_enum, opt_help) \
|
3070 |
opt_enum, |
3071 |
#define DEFHEADING(text)
|
3072 |
#include "qemu-options.h" |
3073 |
#undef DEF
|
3074 |
#undef DEFHEADING
|
3075 |
#undef GEN_DOCS
|
3076 |
}; |
3077 |
|
3078 |
typedef struct QEMUOption { |
3079 |
const char *name; |
3080 |
int flags;
|
3081 |
int index;
|
3082 |
} QEMUOption; |
3083 |
|
3084 |
static const QEMUOption qemu_options[] = { |
3085 |
{ "h", 0, QEMU_OPTION_h }, |
3086 |
#define DEF(option, opt_arg, opt_enum, opt_help) \
|
3087 |
{ option, opt_arg, opt_enum }, |
3088 |
#define DEFHEADING(text)
|
3089 |
#include "qemu-options.h" |
3090 |
#undef DEF
|
3091 |
#undef DEFHEADING
|
3092 |
#undef GEN_DOCS
|
3093 |
{ NULL },
|
3094 |
}; |
3095 |
|
3096 |
#ifdef HAS_AUDIO
|
3097 |
struct soundhw soundhw[] = {
|
3098 |
#ifdef HAS_AUDIO_CHOICE
|
3099 |
#if defined(TARGET_I386) || defined(TARGET_MIPS)
|
3100 |
{ |
3101 |
"pcspk",
|
3102 |
"PC speaker",
|
3103 |
0,
|
3104 |
1,
|
3105 |
{ .init_isa = pcspk_audio_init } |
3106 |
}, |
3107 |
#endif
|
3108 |
|
3109 |
#ifdef CONFIG_SB16
|
3110 |
{ |
3111 |
"sb16",
|
3112 |
"Creative Sound Blaster 16",
|
3113 |
0,
|
3114 |
1,
|
3115 |
{ .init_isa = SB16_init } |
3116 |
}, |
3117 |
#endif
|
3118 |
|
3119 |
#ifdef CONFIG_CS4231A
|
3120 |
{ |
3121 |
"cs4231a",
|
3122 |
"CS4231A",
|
3123 |
0,
|
3124 |
1,
|
3125 |
{ .init_isa = cs4231a_init } |
3126 |
}, |
3127 |
#endif
|
3128 |
|
3129 |
#ifdef CONFIG_ADLIB
|
3130 |
{ |
3131 |
"adlib",
|
3132 |
#ifdef HAS_YMF262
|
3133 |
"Yamaha YMF262 (OPL3)",
|
3134 |
#else
|
3135 |
"Yamaha YM3812 (OPL2)",
|
3136 |
#endif
|
3137 |
0,
|
3138 |
1,
|
3139 |
{ .init_isa = Adlib_init } |
3140 |
}, |
3141 |
#endif
|
3142 |
|
3143 |
#ifdef CONFIG_GUS
|
3144 |
{ |
3145 |
"gus",
|
3146 |
"Gravis Ultrasound GF1",
|
3147 |
0,
|
3148 |
1,
|
3149 |
{ .init_isa = GUS_init } |
3150 |
}, |
3151 |
#endif
|
3152 |
|
3153 |
#ifdef CONFIG_AC97
|
3154 |
{ |
3155 |
"ac97",
|
3156 |
"Intel 82801AA AC97 Audio",
|
3157 |
0,
|
3158 |
0,
|
3159 |
{ .init_pci = ac97_init } |
3160 |
}, |
3161 |
#endif
|
3162 |
|
3163 |
#ifdef CONFIG_ES1370
|
3164 |
{ |
3165 |
"es1370",
|
3166 |
"ENSONIQ AudioPCI ES1370",
|
3167 |
0,
|
3168 |
0,
|
3169 |
{ .init_pci = es1370_init } |
3170 |
}, |
3171 |
#endif
|
3172 |
|
3173 |
#endif /* HAS_AUDIO_CHOICE */ |
3174 |
|
3175 |
{ NULL, NULL, 0, 0, { NULL } } |
3176 |
}; |
3177 |
|
3178 |
static void select_soundhw (const char *optarg) |
3179 |
{ |
3180 |
struct soundhw *c;
|
3181 |
|
3182 |
if (*optarg == '?') { |
3183 |
show_valid_cards:
|
3184 |
|
3185 |
printf ("Valid sound card names (comma separated):\n");
|
3186 |
for (c = soundhw; c->name; ++c) {
|
3187 |
printf ("%-11s %s\n", c->name, c->descr);
|
3188 |
} |
3189 |
printf ("\n-soundhw all will enable all of the above\n");
|
3190 |
exit (*optarg != '?');
|
3191 |
} |
3192 |
else {
|
3193 |
size_t l; |
3194 |
const char *p; |
3195 |
char *e;
|
3196 |
int bad_card = 0; |
3197 |
|
3198 |
if (!strcmp (optarg, "all")) { |
3199 |
for (c = soundhw; c->name; ++c) {
|
3200 |
c->enabled = 1;
|
3201 |
} |
3202 |
return;
|
3203 |
} |
3204 |
|
3205 |
p = optarg; |
3206 |
while (*p) {
|
3207 |
e = strchr (p, ',');
|
3208 |
l = !e ? strlen (p) : (size_t) (e - p); |
3209 |
|
3210 |
for (c = soundhw; c->name; ++c) {
|
3211 |
if (!strncmp (c->name, p, l) && !c->name[l]) {
|
3212 |
c->enabled = 1;
|
3213 |
break;
|
3214 |
} |
3215 |
} |
3216 |
|
3217 |
if (!c->name) {
|
3218 |
if (l > 80) { |
3219 |
fprintf (stderr, |
3220 |
"Unknown sound card name (too big to show)\n");
|
3221 |
} |
3222 |
else {
|
3223 |
fprintf (stderr, "Unknown sound card name `%.*s'\n",
|
3224 |
(int) l, p);
|
3225 |
} |
3226 |
bad_card = 1;
|
3227 |
} |
3228 |
p += l + (e != NULL);
|
3229 |
} |
3230 |
|
3231 |
if (bad_card)
|
3232 |
goto show_valid_cards;
|
3233 |
} |
3234 |
} |
3235 |
#endif
|
3236 |
|
3237 |
static void select_vgahw (const char *p) |
3238 |
{ |
3239 |
const char *opts; |
3240 |
|
3241 |
default_vga = 0;
|
3242 |
vga_interface_type = VGA_NONE; |
3243 |
if (strstart(p, "std", &opts)) { |
3244 |
vga_interface_type = VGA_STD; |
3245 |
} else if (strstart(p, "cirrus", &opts)) { |
3246 |
vga_interface_type = VGA_CIRRUS; |
3247 |
} else if (strstart(p, "vmware", &opts)) { |
3248 |
vga_interface_type = VGA_VMWARE; |
3249 |
} else if (strstart(p, "xenfb", &opts)) { |
3250 |
vga_interface_type = VGA_XENFB; |
3251 |
} else if (!strstart(p, "none", &opts)) { |
3252 |
invalid_vga:
|
3253 |
fprintf(stderr, "Unknown vga type: %s\n", p);
|
3254 |
exit(1);
|
3255 |
} |
3256 |
while (*opts) {
|
3257 |
const char *nextopt; |
3258 |
|
3259 |
if (strstart(opts, ",retrace=", &nextopt)) { |
3260 |
opts = nextopt; |
3261 |
if (strstart(opts, "dumb", &nextopt)) |
3262 |
vga_retrace_method = VGA_RETRACE_DUMB; |
3263 |
else if (strstart(opts, "precise", &nextopt)) |
3264 |
vga_retrace_method = VGA_RETRACE_PRECISE; |
3265 |
else goto invalid_vga; |
3266 |
} else goto invalid_vga; |
3267 |
opts = nextopt; |
3268 |
} |
3269 |
} |
3270 |
|
3271 |
#ifdef TARGET_I386
|
3272 |
static int balloon_parse(const char *arg) |
3273 |
{ |
3274 |
QemuOpts *opts; |
3275 |
|
3276 |
if (strcmp(arg, "none") == 0) { |
3277 |
return 0; |
3278 |
} |
3279 |
|
3280 |
if (!strncmp(arg, "virtio", 6)) { |
3281 |
if (arg[6] == ',') { |
3282 |
/* have params -> parse them */
|
3283 |
opts = qemu_opts_parse(&qemu_device_opts, arg+7, 0); |
3284 |
if (!opts)
|
3285 |
return -1; |
3286 |
} else {
|
3287 |
/* create empty opts */
|
3288 |
opts = qemu_opts_create(&qemu_device_opts, NULL, 0); |
3289 |
} |
3290 |
qemu_opt_set(opts, "driver", "virtio-balloon-pci"); |
3291 |
return 0; |
3292 |
} |
3293 |
|
3294 |
return -1; |
3295 |
} |
3296 |
#endif
|
3297 |
|
3298 |
#ifdef _WIN32
|
3299 |
static BOOL WINAPI qemu_ctrl_handler(DWORD type)
|
3300 |
{ |
3301 |
exit(STATUS_CONTROL_C_EXIT); |
3302 |
return TRUE;
|
3303 |
} |
3304 |
#endif
|
3305 |
|
3306 |
int qemu_uuid_parse(const char *str, uint8_t *uuid) |
3307 |
{ |
3308 |
int ret;
|
3309 |
|
3310 |
if(strlen(str) != 36) |
3311 |
return -1; |
3312 |
|
3313 |
ret = sscanf(str, UUID_FMT, &uuid[0], &uuid[1], &uuid[2], &uuid[3], |
3314 |
&uuid[4], &uuid[5], &uuid[6], &uuid[7], &uuid[8], &uuid[9], |
3315 |
&uuid[10], &uuid[11], &uuid[12], &uuid[13], &uuid[14], &uuid[15]); |
3316 |
|
3317 |
if(ret != 16) |
3318 |
return -1; |
3319 |
|
3320 |
#ifdef TARGET_I386
|
3321 |
smbios_add_field(1, offsetof(struct smbios_type_1, uuid), 16, uuid); |
3322 |
#endif
|
3323 |
|
3324 |
return 0; |
3325 |
} |
3326 |
|
3327 |
#ifdef TARGET_I386
|
3328 |
static void do_acpitable_option(const char *optarg) |
3329 |
{ |
3330 |
if (acpi_table_add(optarg) < 0) { |
3331 |
fprintf(stderr, "Wrong acpi table provided\n");
|
3332 |
exit(1);
|
3333 |
} |
3334 |
} |
3335 |
#endif
|
3336 |
|
3337 |
#ifdef TARGET_I386
|
3338 |
static void do_smbios_option(const char *optarg) |
3339 |
{ |
3340 |
if (smbios_entry_add(optarg) < 0) { |
3341 |
fprintf(stderr, "Wrong smbios provided\n");
|
3342 |
exit(1);
|
3343 |
} |
3344 |
} |
3345 |
#endif
|
3346 |
|
3347 |
static void cpudef_init(void) |
3348 |
{ |
3349 |
#if defined(cpudef_setup)
|
3350 |
cpudef_setup(); /* parse cpu definitions in target config file */
|
3351 |
#endif
|
3352 |
} |
3353 |
|
3354 |
#ifndef _WIN32
|
3355 |
|
3356 |
static void termsig_handler(int signal) |
3357 |
{ |
3358 |
qemu_system_shutdown_request(); |
3359 |
} |
3360 |
|
3361 |
static void sigchld_handler(int signal) |
3362 |
{ |
3363 |
waitpid(-1, NULL, WNOHANG); |
3364 |
} |
3365 |
|
3366 |
static void sighandler_setup(void) |
3367 |
{ |
3368 |
struct sigaction act;
|
3369 |
|
3370 |
memset(&act, 0, sizeof(act)); |
3371 |
act.sa_handler = termsig_handler; |
3372 |
sigaction(SIGINT, &act, NULL);
|
3373 |
sigaction(SIGHUP, &act, NULL);
|
3374 |
sigaction(SIGTERM, &act, NULL);
|
3375 |
|
3376 |
act.sa_handler = sigchld_handler; |
3377 |
act.sa_flags = SA_NOCLDSTOP; |
3378 |
sigaction(SIGCHLD, &act, NULL);
|
3379 |
} |
3380 |
|
3381 |
#endif
|
3382 |
|
3383 |
#ifdef _WIN32
|
3384 |
/* Look for support files in the same directory as the executable. */
|
3385 |
static char *find_datadir(const char *argv0) |
3386 |
{ |
3387 |
char *p;
|
3388 |
char buf[MAX_PATH];
|
3389 |
DWORD len; |
3390 |
|
3391 |
len = GetModuleFileName(NULL, buf, sizeof(buf) - 1); |
3392 |
if (len == 0) { |
3393 |
return NULL; |
3394 |
} |
3395 |
|
3396 |
buf[len] = 0;
|
3397 |
p = buf + len - 1;
|
3398 |
while (p != buf && *p != '\\') |
3399 |
p--; |
3400 |
*p = 0;
|
3401 |
if (access(buf, R_OK) == 0) { |
3402 |
return qemu_strdup(buf);
|
3403 |
} |
3404 |
return NULL; |
3405 |
} |
3406 |
#else /* !_WIN32 */ |
3407 |
|
3408 |
/* Find a likely location for support files using the location of the binary.
|
3409 |
For installed binaries this will be "$bindir/../share/qemu". When
|
3410 |
running from the build tree this will be "$bindir/../pc-bios". */
|
3411 |
#define SHARE_SUFFIX "/share/qemu" |
3412 |
#define BUILD_SUFFIX "/pc-bios" |
3413 |
static char *find_datadir(const char *argv0) |
3414 |
{ |
3415 |
char *dir;
|
3416 |
char *p = NULL; |
3417 |
char *res;
|
3418 |
char buf[PATH_MAX];
|
3419 |
size_t max_len; |
3420 |
|
3421 |
#if defined(__linux__)
|
3422 |
{ |
3423 |
int len;
|
3424 |
len = readlink("/proc/self/exe", buf, sizeof(buf) - 1); |
3425 |
if (len > 0) { |
3426 |
buf[len] = 0;
|
3427 |
p = buf; |
3428 |
} |
3429 |
} |
3430 |
#elif defined(__FreeBSD__)
|
3431 |
{ |
3432 |
int len;
|
3433 |
len = readlink("/proc/curproc/file", buf, sizeof(buf) - 1); |
3434 |
if (len > 0) { |
3435 |
buf[len] = 0;
|
3436 |
p = buf; |
3437 |
} |
3438 |
} |
3439 |
#endif
|
3440 |
/* If we don't have any way of figuring out the actual executable
|
3441 |
location then try argv[0]. */
|
3442 |
if (!p) {
|
3443 |
p = realpath(argv0, buf); |
3444 |
if (!p) {
|
3445 |
return NULL; |
3446 |
} |
3447 |
} |
3448 |
dir = dirname(p); |
3449 |
dir = dirname(dir); |
3450 |
|
3451 |
max_len = strlen(dir) + |
3452 |
MAX(strlen(SHARE_SUFFIX), strlen(BUILD_SUFFIX)) + 1;
|
3453 |
res = qemu_mallocz(max_len); |
3454 |
snprintf(res, max_len, "%s%s", dir, SHARE_SUFFIX);
|
3455 |
if (access(res, R_OK)) {
|
3456 |
snprintf(res, max_len, "%s%s", dir, BUILD_SUFFIX);
|
3457 |
if (access(res, R_OK)) {
|
3458 |
qemu_free(res); |
3459 |
res = NULL;
|
3460 |
} |
3461 |
} |
3462 |
|
3463 |
return res;
|
3464 |
} |
3465 |
#undef SHARE_SUFFIX
|
3466 |
#undef BUILD_SUFFIX
|
3467 |
#endif
|
3468 |
|
3469 |
char *qemu_find_file(int type, const char *name) |
3470 |
{ |
3471 |
int len;
|
3472 |
const char *subdir; |
3473 |
char *buf;
|
3474 |
|
3475 |
/* If name contains path separators then try it as a straight path. */
|
3476 |
if ((strchr(name, '/') || strchr(name, '\\')) |
3477 |
&& access(name, R_OK) == 0) {
|
3478 |
return qemu_strdup(name);
|
3479 |
} |
3480 |
switch (type) {
|
3481 |
case QEMU_FILE_TYPE_BIOS:
|
3482 |
subdir = "";
|
3483 |
break;
|
3484 |
case QEMU_FILE_TYPE_KEYMAP:
|
3485 |
subdir = "keymaps/";
|
3486 |
break;
|
3487 |
default:
|
3488 |
abort(); |
3489 |
} |
3490 |
len = strlen(data_dir) + strlen(name) + strlen(subdir) + 2;
|
3491 |
buf = qemu_mallocz(len); |
3492 |
snprintf(buf, len, "%s/%s%s", data_dir, subdir, name);
|
3493 |
if (access(buf, R_OK)) {
|
3494 |
qemu_free(buf); |
3495 |
return NULL; |
3496 |
} |
3497 |
return buf;
|
3498 |
} |
3499 |
|
3500 |
static int device_help_func(QemuOpts *opts, void *opaque) |
3501 |
{ |
3502 |
return qdev_device_help(opts);
|
3503 |
} |
3504 |
|
3505 |
static int device_init_func(QemuOpts *opts, void *opaque) |
3506 |
{ |
3507 |
DeviceState *dev; |
3508 |
|
3509 |
dev = qdev_device_add(opts); |
3510 |
if (!dev)
|
3511 |
return -1; |
3512 |
return 0; |
3513 |
} |
3514 |
|
3515 |
static int chardev_init_func(QemuOpts *opts, void *opaque) |
3516 |
{ |
3517 |
CharDriverState *chr; |
3518 |
|
3519 |
chr = qemu_chr_open_opts(opts, NULL);
|
3520 |
if (!chr)
|
3521 |
return -1; |
3522 |
return 0; |
3523 |
} |
3524 |
|
3525 |
static int mon_init_func(QemuOpts *opts, void *opaque) |
3526 |
{ |
3527 |
CharDriverState *chr; |
3528 |
const char *chardev; |
3529 |
const char *mode; |
3530 |
int flags;
|
3531 |
|
3532 |
mode = qemu_opt_get(opts, "mode");
|
3533 |
if (mode == NULL) { |
3534 |
mode = "readline";
|
3535 |
} |
3536 |
if (strcmp(mode, "readline") == 0) { |
3537 |
flags = MONITOR_USE_READLINE; |
3538 |
} else if (strcmp(mode, "control") == 0) { |
3539 |
flags = MONITOR_USE_CONTROL; |
3540 |
} else {
|
3541 |
fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
|
3542 |
exit(1);
|
3543 |
} |
3544 |
|
3545 |
if (qemu_opt_get_bool(opts, "default", 0)) |
3546 |
flags |= MONITOR_IS_DEFAULT; |
3547 |
|
3548 |
chardev = qemu_opt_get(opts, "chardev");
|
3549 |
chr = qemu_chr_find(chardev); |
3550 |
if (chr == NULL) { |
3551 |
fprintf(stderr, "chardev \"%s\" not found\n", chardev);
|
3552 |
exit(1);
|
3553 |
} |
3554 |
|
3555 |
monitor_init(chr, flags); |
3556 |
return 0; |
3557 |
} |
3558 |
|
3559 |
static void monitor_parse(const char *optarg, const char *mode) |
3560 |
{ |
3561 |
static int monitor_device_index = 0; |
3562 |
QemuOpts *opts; |
3563 |
const char *p; |
3564 |
char label[32]; |
3565 |
int def = 0; |
3566 |
|
3567 |
if (strstart(optarg, "chardev:", &p)) { |
3568 |
snprintf(label, sizeof(label), "%s", p); |
3569 |
} else {
|
3570 |
if (monitor_device_index) {
|
3571 |
snprintf(label, sizeof(label), "monitor%d", |
3572 |
monitor_device_index); |
3573 |
} else {
|
3574 |
snprintf(label, sizeof(label), "monitor"); |
3575 |
def = 1;
|
3576 |
} |
3577 |
opts = qemu_chr_parse_compat(label, optarg); |
3578 |
if (!opts) {
|
3579 |
fprintf(stderr, "parse error: %s\n", optarg);
|
3580 |
exit(1);
|
3581 |
} |
3582 |
} |
3583 |
|
3584 |
opts = qemu_opts_create(&qemu_mon_opts, label, 1);
|
3585 |
if (!opts) {
|
3586 |
fprintf(stderr, "duplicate chardev: %s\n", label);
|
3587 |
exit(1);
|
3588 |
} |
3589 |
qemu_opt_set(opts, "mode", mode);
|
3590 |
qemu_opt_set(opts, "chardev", label);
|
3591 |
if (def)
|
3592 |
qemu_opt_set(opts, "default", "on"); |
3593 |
monitor_device_index++; |
3594 |
} |
3595 |
|
3596 |
struct device_config {
|
3597 |
enum {
|
3598 |
DEV_USB, /* -usbdevice */
|
3599 |
DEV_BT, /* -bt */
|
3600 |
DEV_SERIAL, /* -serial */
|
3601 |
DEV_PARALLEL, /* -parallel */
|
3602 |
DEV_VIRTCON, /* -virtioconsole */
|
3603 |
DEV_DEBUGCON, /* -debugcon */
|
3604 |
} type; |
3605 |
const char *cmdline; |
3606 |
QTAILQ_ENTRY(device_config) next; |
3607 |
}; |
3608 |
QTAILQ_HEAD(, device_config) device_configs = QTAILQ_HEAD_INITIALIZER(device_configs); |
3609 |
|
3610 |
static void add_device_config(int type, const char *cmdline) |
3611 |
{ |
3612 |
struct device_config *conf;
|
3613 |
|
3614 |
conf = qemu_mallocz(sizeof(*conf));
|
3615 |
conf->type = type; |
3616 |
conf->cmdline = cmdline; |
3617 |
QTAILQ_INSERT_TAIL(&device_configs, conf, next); |
3618 |
} |
3619 |
|
3620 |
static int foreach_device_config(int type, int (*func)(const char *cmdline)) |
3621 |
{ |
3622 |
struct device_config *conf;
|
3623 |
int rc;
|
3624 |
|
3625 |
QTAILQ_FOREACH(conf, &device_configs, next) { |
3626 |
if (conf->type != type)
|
3627 |
continue;
|
3628 |
rc = func(conf->cmdline); |
3629 |
if (0 != rc) |
3630 |
return rc;
|
3631 |
} |
3632 |
return 0; |
3633 |
} |
3634 |
|
3635 |
static int serial_parse(const char *devname) |
3636 |
{ |
3637 |
static int index = 0; |
3638 |
char label[32]; |
3639 |
|
3640 |
if (strcmp(devname, "none") == 0) |
3641 |
return 0; |
3642 |
if (index == MAX_SERIAL_PORTS) {
|
3643 |
fprintf(stderr, "qemu: too many serial ports\n");
|
3644 |
exit(1);
|
3645 |
} |
3646 |
snprintf(label, sizeof(label), "serial%d", index); |
3647 |
serial_hds[index] = qemu_chr_open(label, devname, NULL);
|
3648 |
if (!serial_hds[index]) {
|
3649 |
fprintf(stderr, "qemu: could not open serial device '%s': %s\n",
|
3650 |
devname, strerror(errno)); |
3651 |
return -1; |
3652 |
} |
3653 |
index++; |
3654 |
return 0; |
3655 |
} |
3656 |
|
3657 |
static int parallel_parse(const char *devname) |
3658 |
{ |
3659 |
static int index = 0; |
3660 |
char label[32]; |
3661 |
|
3662 |
if (strcmp(devname, "none") == 0) |
3663 |
return 0; |
3664 |
if (index == MAX_PARALLEL_PORTS) {
|
3665 |
fprintf(stderr, "qemu: too many parallel ports\n");
|
3666 |
exit(1);
|
3667 |
} |
3668 |
snprintf(label, sizeof(label), "parallel%d", index); |
3669 |
parallel_hds[index] = qemu_chr_open(label, devname, NULL);
|
3670 |
if (!parallel_hds[index]) {
|
3671 |
fprintf(stderr, "qemu: could not open parallel device '%s': %s\n",
|
3672 |
devname, strerror(errno)); |
3673 |
return -1; |
3674 |
} |
3675 |
index++; |
3676 |
return 0; |
3677 |
} |
3678 |
|
3679 |
static int virtcon_parse(const char *devname) |
3680 |
{ |
3681 |
static int index = 0; |
3682 |
char label[32]; |
3683 |
QemuOpts *bus_opts, *dev_opts; |
3684 |
|
3685 |
if (strcmp(devname, "none") == 0) |
3686 |
return 0; |
3687 |
if (index == MAX_VIRTIO_CONSOLES) {
|
3688 |
fprintf(stderr, "qemu: too many virtio consoles\n");
|
3689 |
exit(1);
|
3690 |
} |
3691 |
|
3692 |
bus_opts = qemu_opts_create(&qemu_device_opts, NULL, 0); |
3693 |
qemu_opt_set(bus_opts, "driver", "virtio-serial"); |
3694 |
|
3695 |
dev_opts = qemu_opts_create(&qemu_device_opts, NULL, 0); |
3696 |
qemu_opt_set(dev_opts, "driver", "virtconsole"); |
3697 |
|
3698 |
snprintf(label, sizeof(label), "virtcon%d", index); |
3699 |
virtcon_hds[index] = qemu_chr_open(label, devname, NULL);
|
3700 |
if (!virtcon_hds[index]) {
|
3701 |
fprintf(stderr, "qemu: could not open virtio console '%s': %s\n",
|
3702 |
devname, strerror(errno)); |
3703 |
return -1; |
3704 |
} |
3705 |
qemu_opt_set(dev_opts, "chardev", label);
|
3706 |
|
3707 |
index++; |
3708 |
return 0; |
3709 |
} |
3710 |
|
3711 |
static int debugcon_parse(const char *devname) |
3712 |
{ |
3713 |
QemuOpts *opts; |
3714 |
|
3715 |
if (!qemu_chr_open("debugcon", devname, NULL)) { |
3716 |
exit(1);
|
3717 |
} |
3718 |
opts = qemu_opts_create(&qemu_device_opts, "debugcon", 1); |
3719 |
if (!opts) {
|
3720 |
fprintf(stderr, "qemu: already have a debugcon device\n");
|
3721 |
exit(1);
|
3722 |
} |
3723 |
qemu_opt_set(opts, "driver", "isa-debugcon"); |
3724 |
qemu_opt_set(opts, "chardev", "debugcon"); |
3725 |
return 0; |
3726 |
} |
3727 |
|
3728 |
static const QEMUOption *lookup_opt(int argc, char **argv, |
3729 |
const char **poptarg, int *poptind) |
3730 |
{ |
3731 |
const QEMUOption *popt;
|
3732 |
int optind = *poptind;
|
3733 |
char *r = argv[optind];
|
3734 |
const char *optarg; |
3735 |
|
3736 |
loc_set_cmdline(argv, optind, 1);
|
3737 |
optind++; |
3738 |
/* Treat --foo the same as -foo. */
|
3739 |
if (r[1] == '-') |
3740 |
r++; |
3741 |
popt = qemu_options; |
3742 |
for(;;) {
|
3743 |
if (!popt->name) {
|
3744 |
error_report("invalid option");
|
3745 |
exit(1);
|
3746 |
} |
3747 |
if (!strcmp(popt->name, r + 1)) |
3748 |
break;
|
3749 |
popt++; |
3750 |
} |
3751 |
if (popt->flags & HAS_ARG) {
|
3752 |
if (optind >= argc) {
|
3753 |
error_report("requires an argument");
|
3754 |
exit(1);
|
3755 |
} |
3756 |
optarg = argv[optind++]; |
3757 |
loc_set_cmdline(argv, optind - 2, 2); |
3758 |
} else {
|
3759 |
optarg = NULL;
|
3760 |
} |
3761 |
|
3762 |
*poptarg = optarg; |
3763 |
*poptind = optind; |
3764 |
|
3765 |
return popt;
|
3766 |
} |
3767 |
|
3768 |
int main(int argc, char **argv, char **envp) |
3769 |
{ |
3770 |
const char *gdbstub_dev = NULL; |
3771 |
uint32_t boot_devices_bitmap = 0;
|
3772 |
int i;
|
3773 |
int snapshot, linux_boot, net_boot;
|
3774 |
const char *icount_option = NULL; |
3775 |
const char *initrd_filename; |
3776 |
const char *kernel_filename, *kernel_cmdline; |
3777 |
char boot_devices[33] = "cad"; /* default to HD->floppy->CD-ROM */ |
3778 |
DisplayState *ds; |
3779 |
DisplayChangeListener *dcl; |
3780 |
int cyls, heads, secs, translation;
|
3781 |
QemuOpts *hda_opts = NULL, *opts;
|
3782 |
int optind;
|
3783 |
const char *optarg; |
3784 |
const char *loadvm = NULL; |
3785 |
QEMUMachine *machine; |
3786 |
const char *cpu_model; |
3787 |
#ifndef _WIN32
|
3788 |
int fds[2]; |
3789 |
#endif
|
3790 |
int tb_size;
|
3791 |
const char *pid_file = NULL; |
3792 |
const char *incoming = NULL; |
3793 |
#ifndef _WIN32
|
3794 |
int fd = 0; |
3795 |
struct passwd *pwd = NULL; |
3796 |
const char *chroot_dir = NULL; |
3797 |
const char *run_as = NULL; |
3798 |
#endif
|
3799 |
int show_vnc_port = 0; |
3800 |
int defconfig = 1; |
3801 |
|
3802 |
error_set_progname(argv[0]);
|
3803 |
|
3804 |
init_clocks(); |
3805 |
|
3806 |
qemu_cache_utils_init(envp); |
3807 |
|
3808 |
QLIST_INIT (&vm_change_state_head); |
3809 |
#ifndef _WIN32
|
3810 |
{ |
3811 |
struct sigaction act;
|
3812 |
sigfillset(&act.sa_mask); |
3813 |
act.sa_flags = 0;
|
3814 |
act.sa_handler = SIG_IGN; |
3815 |
sigaction(SIGPIPE, &act, NULL);
|
3816 |
} |
3817 |
#else
|
3818 |
SetConsoleCtrlHandler(qemu_ctrl_handler, TRUE); |
3819 |
/* Note: cpu_interrupt() is currently not SMP safe, so we force
|
3820 |
QEMU to run on a single CPU */
|
3821 |
{ |
3822 |
HANDLE h; |
3823 |
DWORD mask, smask; |
3824 |
int i;
|
3825 |
h = GetCurrentProcess(); |
3826 |
if (GetProcessAffinityMask(h, &mask, &smask)) {
|
3827 |
for(i = 0; i < 32; i++) { |
3828 |
if (mask & (1 << i)) |
3829 |
break;
|
3830 |
} |
3831 |
if (i != 32) { |
3832 |
mask = 1 << i;
|
3833 |
SetProcessAffinityMask(h, mask); |
3834 |
} |
3835 |
} |
3836 |
} |
3837 |
#endif
|
3838 |
|
3839 |
module_call_init(MODULE_INIT_MACHINE); |
3840 |
machine = find_default_machine(); |
3841 |
cpu_model = NULL;
|
3842 |
initrd_filename = NULL;
|
3843 |
ram_size = 0;
|
3844 |
snapshot = 0;
|
3845 |
kernel_filename = NULL;
|
3846 |
kernel_cmdline = "";
|
3847 |
cyls = heads = secs = 0;
|
3848 |
translation = BIOS_ATA_TRANSLATION_AUTO; |
3849 |
|
3850 |
for (i = 0; i < MAX_NODES; i++) { |
3851 |
node_mem[i] = 0;
|
3852 |
node_cpumask[i] = 0;
|
3853 |
} |
3854 |
|
3855 |
nb_numa_nodes = 0;
|
3856 |
nb_nics = 0;
|
3857 |
|
3858 |
tb_size = 0;
|
3859 |
autostart= 1;
|
3860 |
|
3861 |
/* first pass of option parsing */
|
3862 |
optind = 1;
|
3863 |
while (optind < argc) {
|
3864 |
if (argv[optind][0] != '-') { |
3865 |
/* disk image */
|
3866 |
optind++; |
3867 |
continue;
|
3868 |
} else {
|
3869 |
const QEMUOption *popt;
|
3870 |
|
3871 |
popt = lookup_opt(argc, argv, &optarg, &optind); |
3872 |
switch (popt->index) {
|
3873 |
case QEMU_OPTION_nodefconfig:
|
3874 |
defconfig=0;
|
3875 |
break;
|
3876 |
} |
3877 |
} |
3878 |
} |
3879 |
|
3880 |
if (defconfig) {
|
3881 |
const char *fname; |
3882 |
FILE *fp; |
3883 |
|
3884 |
fname = CONFIG_QEMU_CONFDIR "/qemu.conf";
|
3885 |
fp = fopen(fname, "r");
|
3886 |
if (fp) {
|
3887 |
if (qemu_config_parse(fp, fname) != 0) { |
3888 |
exit(1);
|
3889 |
} |
3890 |
fclose(fp); |
3891 |
} |
3892 |
|
3893 |
fname = CONFIG_QEMU_CONFDIR "/target-" TARGET_ARCH ".conf"; |
3894 |
fp = fopen(fname, "r");
|
3895 |
if (fp) {
|
3896 |
if (qemu_config_parse(fp, fname) != 0) { |
3897 |
exit(1);
|
3898 |
} |
3899 |
fclose(fp); |
3900 |
} |
3901 |
} |
3902 |
cpudef_init(); |
3903 |
|
3904 |
/* second pass of option parsing */
|
3905 |
optind = 1;
|
3906 |
for(;;) {
|
3907 |
if (optind >= argc)
|
3908 |
break;
|
3909 |
if (argv[optind][0] != '-') { |
3910 |
hda_opts = drive_add(argv[optind++], HD_ALIAS, 0);
|
3911 |
} else {
|
3912 |
const QEMUOption *popt;
|
3913 |
|
3914 |
popt = lookup_opt(argc, argv, &optarg, &optind); |
3915 |
switch(popt->index) {
|
3916 |
case QEMU_OPTION_M:
|
3917 |
machine = find_machine(optarg); |
3918 |
if (!machine) {
|
3919 |
QEMUMachine *m; |
3920 |
printf("Supported machines are:\n");
|
3921 |
for(m = first_machine; m != NULL; m = m->next) { |
3922 |
if (m->alias)
|
3923 |
printf("%-10s %s (alias of %s)\n",
|
3924 |
m->alias, m->desc, m->name); |
3925 |
printf("%-10s %s%s\n",
|
3926 |
m->name, m->desc, |
3927 |
m->is_default ? " (default)" : ""); |
3928 |
} |
3929 |
exit(*optarg != '?');
|
3930 |
} |
3931 |
break;
|
3932 |
case QEMU_OPTION_cpu:
|
3933 |
/* hw initialization will check this */
|
3934 |
if (*optarg == '?') { |
3935 |
/* XXX: implement xxx_cpu_list for targets that still miss it */
|
3936 |
#if defined(cpu_list_id)
|
3937 |
cpu_list_id(stdout, &fprintf, optarg); |
3938 |
#elif defined(cpu_list)
|
3939 |
cpu_list(stdout, &fprintf); /* deprecated */
|
3940 |
#endif
|
3941 |
exit(0);
|
3942 |
} else {
|
3943 |
cpu_model = optarg; |
3944 |
} |
3945 |
break;
|
3946 |
case QEMU_OPTION_initrd:
|
3947 |
initrd_filename = optarg; |
3948 |
break;
|
3949 |
case QEMU_OPTION_hda:
|
3950 |
if (cyls == 0) |
3951 |
hda_opts = drive_add(optarg, HD_ALIAS, 0);
|
3952 |
else
|
3953 |
hda_opts = drive_add(optarg, HD_ALIAS |
3954 |
",cyls=%d,heads=%d,secs=%d%s",
|
3955 |
0, cyls, heads, secs,
|
3956 |
translation == BIOS_ATA_TRANSLATION_LBA ? |
3957 |
",trans=lba" :
|
3958 |
translation == BIOS_ATA_TRANSLATION_NONE ? |
3959 |
",trans=none" : ""); |
3960 |
break;
|
3961 |
case QEMU_OPTION_hdb:
|
3962 |
case QEMU_OPTION_hdc:
|
3963 |
case QEMU_OPTION_hdd:
|
3964 |
drive_add(optarg, HD_ALIAS, popt->index - QEMU_OPTION_hda); |
3965 |
break;
|
3966 |
case QEMU_OPTION_drive:
|
3967 |
drive_add(NULL, "%s", optarg); |
3968 |
break;
|
3969 |
case QEMU_OPTION_set:
|
3970 |
if (qemu_set_option(optarg) != 0) |
3971 |
exit(1);
|
3972 |
break;
|
3973 |
case QEMU_OPTION_global:
|
3974 |
if (qemu_global_option(optarg) != 0) |
3975 |
exit(1);
|
3976 |
break;
|
3977 |
case QEMU_OPTION_mtdblock:
|
3978 |
drive_add(optarg, MTD_ALIAS); |
3979 |
break;
|
3980 |
case QEMU_OPTION_sd:
|
3981 |
drive_add(optarg, SD_ALIAS); |
3982 |
break;
|
3983 |
case QEMU_OPTION_pflash:
|
3984 |
drive_add(optarg, PFLASH_ALIAS); |
3985 |
break;
|
3986 |
case QEMU_OPTION_snapshot:
|
3987 |
snapshot = 1;
|
3988 |
break;
|
3989 |
case QEMU_OPTION_hdachs:
|
3990 |
{ |
3991 |
const char *p; |
3992 |
p = optarg; |
3993 |
cyls = strtol(p, (char **)&p, 0); |
3994 |
if (cyls < 1 || cyls > 16383) |
3995 |
goto chs_fail;
|
3996 |
if (*p != ',') |
3997 |
goto chs_fail;
|
3998 |
p++; |
3999 |
heads = strtol(p, (char **)&p, 0); |
4000 |
if (heads < 1 || heads > 16) |
4001 |
goto chs_fail;
|
4002 |
if (*p != ',') |
4003 |
goto chs_fail;
|
4004 |
p++; |
4005 |
secs = strtol(p, (char **)&p, 0); |
4006 |
if (secs < 1 || secs > 63) |
4007 |
goto chs_fail;
|
4008 |
if (*p == ',') { |
4009 |
p++; |
4010 |
if (!strcmp(p, "none")) |
4011 |
translation = BIOS_ATA_TRANSLATION_NONE; |
4012 |
else if (!strcmp(p, "lba")) |
4013 |
translation = BIOS_ATA_TRANSLATION_LBA; |
4014 |
else if (!strcmp(p, "auto")) |
4015 |
translation = BIOS_ATA_TRANSLATION_AUTO; |
4016 |
else
|
4017 |
goto chs_fail;
|
4018 |
} else if (*p != '\0') { |
4019 |
chs_fail:
|
4020 |
fprintf(stderr, "qemu: invalid physical CHS format\n");
|
4021 |
exit(1);
|
4022 |
} |
4023 |
if (hda_opts != NULL) { |
4024 |
char num[16]; |
4025 |
snprintf(num, sizeof(num), "%d", cyls); |
4026 |
qemu_opt_set(hda_opts, "cyls", num);
|
4027 |
snprintf(num, sizeof(num), "%d", heads); |
4028 |
qemu_opt_set(hda_opts, "heads", num);
|
4029 |
snprintf(num, sizeof(num), "%d", secs); |
4030 |
qemu_opt_set(hda_opts, "secs", num);
|
4031 |
if (translation == BIOS_ATA_TRANSLATION_LBA)
|
4032 |
qemu_opt_set(hda_opts, "trans", "lba"); |
4033 |
if (translation == BIOS_ATA_TRANSLATION_NONE)
|
4034 |
qemu_opt_set(hda_opts, "trans", "none"); |
4035 |
} |
4036 |
} |
4037 |
break;
|
4038 |
case QEMU_OPTION_numa:
|
4039 |
if (nb_numa_nodes >= MAX_NODES) {
|
4040 |
fprintf(stderr, "qemu: too many NUMA nodes\n");
|
4041 |
exit(1);
|
4042 |
} |
4043 |
numa_add(optarg); |
4044 |
break;
|
4045 |
case QEMU_OPTION_nographic:
|
4046 |
display_type = DT_NOGRAPHIC; |
4047 |
break;
|
4048 |
#ifdef CONFIG_CURSES
|
4049 |
case QEMU_OPTION_curses:
|
4050 |
display_type = DT_CURSES; |
4051 |
break;
|
4052 |
#endif
|
4053 |
case QEMU_OPTION_portrait:
|
4054 |
graphic_rotate = 1;
|
4055 |
break;
|
4056 |
case QEMU_OPTION_kernel:
|
4057 |
kernel_filename = optarg; |
4058 |
break;
|
4059 |
case QEMU_OPTION_append:
|
4060 |
kernel_cmdline = optarg; |
4061 |
break;
|
4062 |
case QEMU_OPTION_cdrom:
|
4063 |
drive_add(optarg, CDROM_ALIAS); |
4064 |
break;
|
4065 |
case QEMU_OPTION_boot:
|
4066 |
{ |
4067 |
static const char * const params[] = { |
4068 |
"order", "once", "menu", NULL |
4069 |
}; |
4070 |
char buf[sizeof(boot_devices)]; |
4071 |
char *standard_boot_devices;
|
4072 |
int legacy = 0; |
4073 |
|
4074 |
if (!strchr(optarg, '=')) { |
4075 |
legacy = 1;
|
4076 |
pstrcpy(buf, sizeof(buf), optarg);
|
4077 |
} else if (check_params(buf, sizeof(buf), params, optarg) < 0) { |
4078 |
fprintf(stderr, |
4079 |
"qemu: unknown boot parameter '%s' in '%s'\n",
|
4080 |
buf, optarg); |
4081 |
exit(1);
|
4082 |
} |
4083 |
|
4084 |
if (legacy ||
|
4085 |
get_param_value(buf, sizeof(buf), "order", optarg)) { |
4086 |
boot_devices_bitmap = parse_bootdevices(buf); |
4087 |
pstrcpy(boot_devices, sizeof(boot_devices), buf);
|
4088 |
} |
4089 |
if (!legacy) {
|
4090 |
if (get_param_value(buf, sizeof(buf), |
4091 |
"once", optarg)) {
|
4092 |
boot_devices_bitmap |= parse_bootdevices(buf); |
4093 |
standard_boot_devices = qemu_strdup(boot_devices); |
4094 |
pstrcpy(boot_devices, sizeof(boot_devices), buf);
|
4095 |
qemu_register_reset(restore_boot_devices, |
4096 |
standard_boot_devices); |
4097 |
} |
4098 |
if (get_param_value(buf, sizeof(buf), |
4099 |
"menu", optarg)) {
|
4100 |
if (!strcmp(buf, "on")) { |
4101 |
boot_menu = 1;
|
4102 |
} else if (!strcmp(buf, "off")) { |
4103 |
boot_menu = 0;
|
4104 |
} else {
|
4105 |
fprintf(stderr, |
4106 |
"qemu: invalid option value '%s'\n",
|
4107 |
buf); |
4108 |
exit(1);
|
4109 |
} |
4110 |
} |
4111 |
} |
4112 |
} |
4113 |
break;
|
4114 |
case QEMU_OPTION_fda:
|
4115 |
case QEMU_OPTION_fdb:
|
4116 |
drive_add(optarg, FD_ALIAS, popt->index - QEMU_OPTION_fda); |
4117 |
break;
|
4118 |
#ifdef TARGET_I386
|
4119 |
case QEMU_OPTION_no_fd_bootchk:
|
4120 |
fd_bootchk = 0;
|
4121 |
break;
|
4122 |
#endif
|
4123 |
case QEMU_OPTION_netdev:
|
4124 |
if (net_client_parse(&qemu_netdev_opts, optarg) == -1) { |
4125 |
exit(1);
|
4126 |
} |
4127 |
break;
|
4128 |
case QEMU_OPTION_net:
|
4129 |
if (net_client_parse(&qemu_net_opts, optarg) == -1) { |
4130 |
exit(1);
|
4131 |
} |
4132 |
break;
|
4133 |
#ifdef CONFIG_SLIRP
|
4134 |
case QEMU_OPTION_tftp:
|
4135 |
legacy_tftp_prefix = optarg; |
4136 |
break;
|
4137 |
case QEMU_OPTION_bootp:
|
4138 |
legacy_bootp_filename = optarg; |
4139 |
break;
|
4140 |
#ifndef _WIN32
|
4141 |
case QEMU_OPTION_smb:
|
4142 |
if (net_slirp_smb(optarg) < 0) |
4143 |
exit(1);
|
4144 |
break;
|
4145 |
#endif
|
4146 |
case QEMU_OPTION_redir:
|
4147 |
if (net_slirp_redir(optarg) < 0) |
4148 |
exit(1);
|
4149 |
break;
|
4150 |
#endif
|
4151 |
case QEMU_OPTION_bt:
|
4152 |
add_device_config(DEV_BT, optarg); |
4153 |
break;
|
4154 |
#ifdef HAS_AUDIO
|
4155 |
case QEMU_OPTION_audio_help:
|
4156 |
AUD_help (); |
4157 |
exit (0);
|
4158 |
break;
|
4159 |
case QEMU_OPTION_soundhw:
|
4160 |
select_soundhw (optarg); |
4161 |
break;
|
4162 |
#endif
|
4163 |
case QEMU_OPTION_h:
|
4164 |
help(0);
|
4165 |
break;
|
4166 |
case QEMU_OPTION_version:
|
4167 |
version(); |
4168 |
exit(0);
|
4169 |
break;
|
4170 |
case QEMU_OPTION_m: {
|
4171 |
uint64_t value; |
4172 |
char *ptr;
|
4173 |
|
4174 |
value = strtoul(optarg, &ptr, 10);
|
4175 |
switch (*ptr) {
|
4176 |
case 0: case 'M': case 'm': |
4177 |
value <<= 20;
|
4178 |
break;
|
4179 |
case 'G': case 'g': |
4180 |
value <<= 30;
|
4181 |
break;
|
4182 |
default:
|
4183 |
fprintf(stderr, "qemu: invalid ram size: %s\n", optarg);
|
4184 |
exit(1);
|
4185 |
} |
4186 |
|
4187 |
/* On 32-bit hosts, QEMU is limited by virtual address space */
|
4188 |
if (value > (2047 << 20) && HOST_LONG_BITS == 32) { |
4189 |
fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
|
4190 |
exit(1);
|
4191 |
} |
4192 |
if (value != (uint64_t)(ram_addr_t)value) {
|
4193 |
fprintf(stderr, "qemu: ram size too large\n");
|
4194 |
exit(1);
|
4195 |
} |
4196 |
ram_size = value; |
4197 |
break;
|
4198 |
} |
4199 |
case QEMU_OPTION_mempath:
|
4200 |
mem_path = optarg; |
4201 |
break;
|
4202 |
#ifdef MAP_POPULATE
|
4203 |
case QEMU_OPTION_mem_prealloc:
|
4204 |
mem_prealloc = 1;
|
4205 |
break;
|
4206 |
#endif
|
4207 |
case QEMU_OPTION_d:
|
4208 |
set_cpu_log(optarg); |
4209 |
break;
|
4210 |
case QEMU_OPTION_s:
|
4211 |
gdbstub_dev = "tcp::" DEFAULT_GDBSTUB_PORT;
|
4212 |
break;
|
4213 |
case QEMU_OPTION_gdb:
|
4214 |
gdbstub_dev = optarg; |
4215 |
break;
|
4216 |
case QEMU_OPTION_L:
|
4217 |
data_dir = optarg; |
4218 |
break;
|
4219 |
case QEMU_OPTION_bios:
|
4220 |
bios_name = optarg; |
4221 |
break;
|
4222 |
case QEMU_OPTION_singlestep:
|
4223 |
singlestep = 1;
|
4224 |
break;
|
4225 |
case QEMU_OPTION_S:
|
4226 |
autostart = 0;
|
4227 |
break;
|
4228 |
case QEMU_OPTION_k:
|
4229 |
keyboard_layout = optarg; |
4230 |
break;
|
4231 |
case QEMU_OPTION_localtime:
|
4232 |
rtc_utc = 0;
|
4233 |
break;
|
4234 |
case QEMU_OPTION_vga:
|
4235 |
select_vgahw (optarg); |
4236 |
break;
|
4237 |
#if defined(TARGET_PPC) || defined(TARGET_SPARC)
|
4238 |
case QEMU_OPTION_g:
|
4239 |
{ |
4240 |
const char *p; |
4241 |
int w, h, depth;
|
4242 |
p = optarg; |
4243 |
w = strtol(p, (char **)&p, 10); |
4244 |
if (w <= 0) { |
4245 |
graphic_error:
|
4246 |
fprintf(stderr, "qemu: invalid resolution or depth\n");
|
4247 |
exit(1);
|
4248 |
} |
4249 |
if (*p != 'x') |
4250 |
goto graphic_error;
|
4251 |
p++; |
4252 |
h = strtol(p, (char **)&p, 10); |
4253 |
if (h <= 0) |
4254 |
goto graphic_error;
|
4255 |
if (*p == 'x') { |
4256 |
p++; |
4257 |
depth = strtol(p, (char **)&p, 10); |
4258 |
if (depth != 8 && depth != 15 && depth != 16 && |
4259 |
depth != 24 && depth != 32) |
4260 |
goto graphic_error;
|
4261 |
} else if (*p == '\0') { |
4262 |
depth = graphic_depth; |
4263 |
} else {
|
4264 |
goto graphic_error;
|
4265 |
} |
4266 |
|
4267 |
graphic_width = w; |
4268 |
graphic_height = h; |
4269 |
graphic_depth = depth; |
4270 |
} |
4271 |
break;
|
4272 |
#endif
|
4273 |
case QEMU_OPTION_echr:
|
4274 |
{ |
4275 |
char *r;
|
4276 |
term_escape_char = strtol(optarg, &r, 0);
|
4277 |
if (r == optarg)
|
4278 |
printf("Bad argument to echr\n");
|
4279 |
break;
|
4280 |
} |
4281 |
case QEMU_OPTION_monitor:
|
4282 |
monitor_parse(optarg, "readline");
|
4283 |
default_monitor = 0;
|
4284 |
break;
|
4285 |
case QEMU_OPTION_qmp:
|
4286 |
monitor_parse(optarg, "control");
|
4287 |
default_monitor = 0;
|
4288 |
break;
|
4289 |
case QEMU_OPTION_mon:
|
4290 |
opts = qemu_opts_parse(&qemu_mon_opts, optarg, 1);
|
4291 |
if (!opts) {
|
4292 |
fprintf(stderr, "parse error: %s\n", optarg);
|
4293 |
exit(1);
|
4294 |
} |
4295 |
default_monitor = 0;
|
4296 |
break;
|
4297 |
case QEMU_OPTION_chardev:
|
4298 |
opts = qemu_opts_parse(&qemu_chardev_opts, optarg, 1);
|
4299 |
if (!opts) {
|
4300 |
fprintf(stderr, "parse error: %s\n", optarg);
|
4301 |
exit(1);
|
4302 |
} |
4303 |
break;
|
4304 |
case QEMU_OPTION_serial:
|
4305 |
add_device_config(DEV_SERIAL, optarg); |
4306 |
default_serial = 0;
|
4307 |
if (strncmp(optarg, "mon:", 4) == 0) { |
4308 |
default_monitor = 0;
|
4309 |
} |
4310 |
break;
|
4311 |
case QEMU_OPTION_watchdog:
|
4312 |
if (watchdog) {
|
4313 |
fprintf(stderr, |
4314 |
"qemu: only one watchdog option may be given\n");
|
4315 |
return 1; |
4316 |
} |
4317 |
watchdog = optarg; |
4318 |
break;
|
4319 |
case QEMU_OPTION_watchdog_action:
|
4320 |
if (select_watchdog_action(optarg) == -1) { |
4321 |
fprintf(stderr, "Unknown -watchdog-action parameter\n");
|
4322 |
exit(1);
|
4323 |
} |
4324 |
break;
|
4325 |
case QEMU_OPTION_virtiocon:
|
4326 |
add_device_config(DEV_VIRTCON, optarg); |
4327 |
default_virtcon = 0;
|
4328 |
if (strncmp(optarg, "mon:", 4) == 0) { |
4329 |
default_monitor = 0;
|
4330 |
} |
4331 |
break;
|
4332 |
case QEMU_OPTION_parallel:
|
4333 |
add_device_config(DEV_PARALLEL, optarg); |
4334 |
default_parallel = 0;
|
4335 |
if (strncmp(optarg, "mon:", 4) == 0) { |
4336 |
default_monitor = 0;
|
4337 |
} |
4338 |
break;
|
4339 |
case QEMU_OPTION_debugcon:
|
4340 |
add_device_config(DEV_DEBUGCON, optarg); |
4341 |
break;
|
4342 |
case QEMU_OPTION_loadvm:
|
4343 |
loadvm = optarg; |
4344 |
break;
|
4345 |
case QEMU_OPTION_full_screen:
|
4346 |
full_screen = 1;
|
4347 |
break;
|
4348 |
#ifdef CONFIG_SDL
|
4349 |
case QEMU_OPTION_no_frame:
|
4350 |
no_frame = 1;
|
4351 |
break;
|
4352 |
case QEMU_OPTION_alt_grab:
|
4353 |
alt_grab = 1;
|
4354 |
break;
|
4355 |
case QEMU_OPTION_ctrl_grab:
|
4356 |
ctrl_grab = 1;
|
4357 |
break;
|
4358 |
case QEMU_OPTION_no_quit:
|
4359 |
no_quit = 1;
|
4360 |
break;
|
4361 |
case QEMU_OPTION_sdl:
|
4362 |
display_type = DT_SDL; |
4363 |
break;
|
4364 |
#endif
|
4365 |
case QEMU_OPTION_pidfile:
|
4366 |
pid_file = optarg; |
4367 |
break;
|
4368 |
#ifdef TARGET_I386
|
4369 |
case QEMU_OPTION_win2k_hack:
|
4370 |
win2k_install_hack = 1;
|
4371 |
break;
|
4372 |
case QEMU_OPTION_rtc_td_hack:
|
4373 |
rtc_td_hack = 1;
|
4374 |
break;
|
4375 |
case QEMU_OPTION_acpitable:
|
4376 |
do_acpitable_option(optarg); |
4377 |
break;
|
4378 |
case QEMU_OPTION_smbios:
|
4379 |
do_smbios_option(optarg); |
4380 |
break;
|
4381 |
#endif
|
4382 |
#ifdef CONFIG_KVM
|
4383 |
case QEMU_OPTION_enable_kvm:
|
4384 |
kvm_allowed = 1;
|
4385 |
break;
|
4386 |
#endif
|
4387 |
case QEMU_OPTION_usb:
|
4388 |
usb_enabled = 1;
|
4389 |
break;
|
4390 |
case QEMU_OPTION_usbdevice:
|
4391 |
usb_enabled = 1;
|
4392 |
add_device_config(DEV_USB, optarg); |
4393 |
break;
|
4394 |
case QEMU_OPTION_device:
|
4395 |
if (!qemu_opts_parse(&qemu_device_opts, optarg, 1)) { |
4396 |
exit(1);
|
4397 |
} |
4398 |
break;
|
4399 |
case QEMU_OPTION_smp:
|
4400 |
smp_parse(optarg); |
4401 |
if (smp_cpus < 1) { |
4402 |
fprintf(stderr, "Invalid number of CPUs\n");
|
4403 |
exit(1);
|
4404 |
} |
4405 |
if (max_cpus < smp_cpus) {
|
4406 |
fprintf(stderr, "maxcpus must be equal to or greater than "
|
4407 |
"smp\n");
|
4408 |
exit(1);
|
4409 |
} |
4410 |
if (max_cpus > 255) { |
4411 |
fprintf(stderr, "Unsupported number of maxcpus\n");
|
4412 |
exit(1);
|
4413 |
} |
4414 |
break;
|
4415 |
case QEMU_OPTION_vnc:
|
4416 |
display_type = DT_VNC; |
4417 |
vnc_display = optarg; |
4418 |
break;
|
4419 |
#ifdef TARGET_I386
|
4420 |
case QEMU_OPTION_no_acpi:
|
4421 |
acpi_enabled = 0;
|
4422 |
break;
|
4423 |
case QEMU_OPTION_no_hpet:
|
4424 |
no_hpet = 1;
|
4425 |
break;
|
4426 |
case QEMU_OPTION_balloon:
|
4427 |
if (balloon_parse(optarg) < 0) { |
4428 |
fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
|
4429 |
exit(1);
|
4430 |
} |
4431 |
break;
|
4432 |
#endif
|
4433 |
case QEMU_OPTION_no_reboot:
|
4434 |
no_reboot = 1;
|
4435 |
break;
|
4436 |
case QEMU_OPTION_no_shutdown:
|
4437 |
no_shutdown = 1;
|
4438 |
break;
|
4439 |
case QEMU_OPTION_show_cursor:
|
4440 |
cursor_hide = 0;
|
4441 |
break;
|
4442 |
case QEMU_OPTION_uuid:
|
4443 |
if(qemu_uuid_parse(optarg, qemu_uuid) < 0) { |
4444 |
fprintf(stderr, "Fail to parse UUID string."
|
4445 |
" Wrong format.\n");
|
4446 |
exit(1);
|
4447 |
} |
4448 |
break;
|
4449 |
#ifndef _WIN32
|
4450 |
case QEMU_OPTION_daemonize:
|
4451 |
daemonize = 1;
|
4452 |
break;
|
4453 |
#endif
|
4454 |
case QEMU_OPTION_option_rom:
|
4455 |
if (nb_option_roms >= MAX_OPTION_ROMS) {
|
4456 |
fprintf(stderr, "Too many option ROMs\n");
|
4457 |
exit(1);
|
4458 |
} |
4459 |
option_rom[nb_option_roms] = optarg; |
4460 |
nb_option_roms++; |
4461 |
break;
|
4462 |
#if defined(TARGET_ARM) || defined(TARGET_M68K)
|
4463 |
case QEMU_OPTION_semihosting:
|
4464 |
semihosting_enabled = 1;
|
4465 |
break;
|
4466 |
#endif
|
4467 |
case QEMU_OPTION_name:
|
4468 |
qemu_name = qemu_strdup(optarg); |
4469 |
{ |
4470 |
char *p = strchr(qemu_name, ','); |
4471 |
if (p != NULL) { |
4472 |
*p++ = 0;
|
4473 |
if (strncmp(p, "process=", 8)) { |
4474 |
fprintf(stderr, "Unknown subargument %s to -name", p);
|
4475 |
exit(1);
|
4476 |
} |
4477 |
p += 8;
|
4478 |
set_proc_name(p); |
4479 |
} |
4480 |
} |
4481 |
break;
|
4482 |
#if defined(TARGET_SPARC) || defined(TARGET_PPC)
|
4483 |
case QEMU_OPTION_prom_env:
|
4484 |
if (nb_prom_envs >= MAX_PROM_ENVS) {
|
4485 |
fprintf(stderr, "Too many prom variables\n");
|
4486 |
exit(1);
|
4487 |
} |
4488 |
prom_envs[nb_prom_envs] = optarg; |
4489 |
nb_prom_envs++; |
4490 |
break;
|
4491 |
#endif
|
4492 |
#ifdef TARGET_ARM
|
4493 |
case QEMU_OPTION_old_param:
|
4494 |
old_param = 1;
|
4495 |
break;
|
4496 |
#endif
|
4497 |
case QEMU_OPTION_clock:
|
4498 |
configure_alarms(optarg); |
4499 |
break;
|
4500 |
case QEMU_OPTION_startdate:
|
4501 |
configure_rtc_date_offset(optarg, 1);
|
4502 |
break;
|
4503 |
case QEMU_OPTION_rtc:
|
4504 |
opts = qemu_opts_parse(&qemu_rtc_opts, optarg, 0);
|
4505 |
if (!opts) {
|
4506 |
fprintf(stderr, "parse error: %s\n", optarg);
|
4507 |
exit(1);
|
4508 |
} |
4509 |
configure_rtc(opts); |
4510 |
break;
|
4511 |
case QEMU_OPTION_tb_size:
|
4512 |
tb_size = strtol(optarg, NULL, 0); |
4513 |
if (tb_size < 0) |
4514 |
tb_size = 0;
|
4515 |
break;
|
4516 |
case QEMU_OPTION_icount:
|
4517 |
icount_option = optarg; |
4518 |
break;
|
4519 |
case QEMU_OPTION_incoming:
|
4520 |
incoming = optarg; |
4521 |
break;
|
4522 |
case QEMU_OPTION_nodefaults:
|
4523 |
default_serial = 0;
|
4524 |
default_parallel = 0;
|
4525 |
default_virtcon = 0;
|
4526 |
default_monitor = 0;
|
4527 |
default_vga = 0;
|
4528 |
default_net = 0;
|
4529 |
default_floppy = 0;
|
4530 |
default_cdrom = 0;
|
4531 |
default_sdcard = 0;
|
4532 |
break;
|
4533 |
#ifndef _WIN32
|
4534 |
case QEMU_OPTION_chroot:
|
4535 |
chroot_dir = optarg; |
4536 |
break;
|
4537 |
case QEMU_OPTION_runas:
|
4538 |
run_as = optarg; |
4539 |
break;
|
4540 |
#endif
|
4541 |
#ifdef CONFIG_XEN
|
4542 |
case QEMU_OPTION_xen_domid:
|
4543 |
xen_domid = atoi(optarg); |
4544 |
break;
|
4545 |
case QEMU_OPTION_xen_create:
|
4546 |
xen_mode = XEN_CREATE; |
4547 |
break;
|
4548 |
case QEMU_OPTION_xen_attach:
|
4549 |
xen_mode = XEN_ATTACH; |
4550 |
break;
|
4551 |
#endif
|
4552 |
case QEMU_OPTION_readconfig:
|
4553 |
{ |
4554 |
FILE *fp; |
4555 |
fp = fopen(optarg, "r");
|
4556 |
if (fp == NULL) { |
4557 |
fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
|
4558 |
exit(1);
|
4559 |
} |
4560 |
if (qemu_config_parse(fp, optarg) != 0) { |
4561 |
exit(1);
|
4562 |
} |
4563 |
fclose(fp); |
4564 |
break;
|
4565 |
} |
4566 |
case QEMU_OPTION_writeconfig:
|
4567 |
{ |
4568 |
FILE *fp; |
4569 |
if (strcmp(optarg, "-") == 0) { |
4570 |
fp = stdout; |
4571 |
} else {
|
4572 |
fp = fopen(optarg, "w");
|
4573 |
if (fp == NULL) { |
4574 |
fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
|
4575 |
exit(1);
|
4576 |
} |
4577 |
} |
4578 |
qemu_config_write(fp); |
4579 |
fclose(fp); |
4580 |
break;
|
4581 |
} |
4582 |
} |
4583 |
} |
4584 |
} |
4585 |
loc_set_none(); |
4586 |
|
4587 |
/* If no data_dir is specified then try to find it relative to the
|
4588 |
executable path. */
|
4589 |
if (!data_dir) {
|
4590 |
data_dir = find_datadir(argv[0]);
|
4591 |
} |
4592 |
/* If all else fails use the install patch specified when building. */
|
4593 |
if (!data_dir) {
|
4594 |
data_dir = CONFIG_QEMU_SHAREDIR; |
4595 |
} |
4596 |
|
4597 |
/*
|
4598 |
* Default to max_cpus = smp_cpus, in case the user doesn't
|
4599 |
* specify a max_cpus value.
|
4600 |
*/
|
4601 |
if (!max_cpus)
|
4602 |
max_cpus = smp_cpus; |
4603 |
|
4604 |
machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */ |
4605 |
if (smp_cpus > machine->max_cpus) {
|
4606 |
fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
|
4607 |
"supported by machine `%s' (%d)\n", smp_cpus, machine->name,
|
4608 |
machine->max_cpus); |
4609 |
exit(1);
|
4610 |
} |
4611 |
|
4612 |
qemu_opts_foreach(&qemu_device_opts, default_driver_check, NULL, 0); |
4613 |
qemu_opts_foreach(&qemu_global_opts, default_driver_check, NULL, 0); |
4614 |
|
4615 |
if (machine->no_serial) {
|
4616 |
default_serial = 0;
|
4617 |
} |
4618 |
if (machine->no_parallel) {
|
4619 |
default_parallel = 0;
|
4620 |
} |
4621 |
if (!machine->use_virtcon) {
|
4622 |
default_virtcon = 0;
|
4623 |
} |
4624 |
if (machine->no_vga) {
|
4625 |
default_vga = 0;
|
4626 |
} |
4627 |
if (machine->no_floppy) {
|
4628 |
default_floppy = 0;
|
4629 |
} |
4630 |
if (machine->no_cdrom) {
|
4631 |
default_cdrom = 0;
|
4632 |
} |
4633 |
if (machine->no_sdcard) {
|
4634 |
default_sdcard = 0;
|
4635 |
} |
4636 |
|
4637 |
if (display_type == DT_NOGRAPHIC) {
|
4638 |
if (default_parallel)
|
4639 |
add_device_config(DEV_PARALLEL, "null");
|
4640 |
if (default_serial && default_monitor) {
|
4641 |
add_device_config(DEV_SERIAL, "mon:stdio");
|
4642 |
} else if (default_virtcon && default_monitor) { |
4643 |
add_device_config(DEV_VIRTCON, "mon:stdio");
|
4644 |
} else {
|
4645 |
if (default_serial)
|
4646 |
add_device_config(DEV_SERIAL, "stdio");
|
4647 |
if (default_virtcon)
|
4648 |
add_device_config(DEV_VIRTCON, "stdio");
|
4649 |
if (default_monitor)
|
4650 |
monitor_parse("stdio", "readline"); |
4651 |
} |
4652 |
} else {
|
4653 |
if (default_serial)
|
4654 |
add_device_config(DEV_SERIAL, "vc:80Cx24C");
|
4655 |
if (default_parallel)
|
4656 |
add_device_config(DEV_PARALLEL, "vc:80Cx24C");
|
4657 |
if (default_monitor)
|
4658 |
monitor_parse("vc:80Cx24C", "readline"); |
4659 |
if (default_virtcon)
|
4660 |
add_device_config(DEV_VIRTCON, "vc:80Cx24C");
|
4661 |
} |
4662 |
if (default_vga)
|
4663 |
vga_interface_type = VGA_CIRRUS; |
4664 |
|
4665 |
if (qemu_opts_foreach(&qemu_chardev_opts, chardev_init_func, NULL, 1) != 0) |
4666 |
exit(1);
|
4667 |
|
4668 |
#ifndef _WIN32
|
4669 |
if (daemonize) {
|
4670 |
pid_t pid; |
4671 |
|
4672 |
if (pipe(fds) == -1) |
4673 |
exit(1);
|
4674 |
|
4675 |
pid = fork(); |
4676 |
if (pid > 0) { |
4677 |
uint8_t status; |
4678 |
ssize_t len; |
4679 |
|
4680 |
close(fds[1]);
|
4681 |
|
4682 |
again:
|
4683 |
len = read(fds[0], &status, 1); |
4684 |
if (len == -1 && (errno == EINTR)) |
4685 |
goto again;
|
4686 |
|
4687 |
if (len != 1) |
4688 |
exit(1);
|
4689 |
else if (status == 1) { |
4690 |
fprintf(stderr, "Could not acquire pidfile: %s\n", strerror(errno));
|
4691 |
exit(1);
|
4692 |
} else
|
4693 |
exit(0);
|
4694 |
} else if (pid < 0) |
4695 |
exit(1);
|
4696 |
|
4697 |
close(fds[0]);
|
4698 |
qemu_set_cloexec(fds[1]);
|
4699 |
|
4700 |
setsid(); |
4701 |
|
4702 |
pid = fork(); |
4703 |
if (pid > 0) |
4704 |
exit(0);
|
4705 |
else if (pid < 0) |
4706 |
exit(1);
|
4707 |
|
4708 |
umask(027);
|
4709 |
|
4710 |
signal(SIGTSTP, SIG_IGN); |
4711 |
signal(SIGTTOU, SIG_IGN); |
4712 |
signal(SIGTTIN, SIG_IGN); |
4713 |
} |
4714 |
#endif
|
4715 |
|
4716 |
if (pid_file && qemu_create_pidfile(pid_file) != 0) { |
4717 |
#ifndef _WIN32
|
4718 |
if (daemonize) {
|
4719 |
uint8_t status = 1;
|
4720 |
if (write(fds[1], &status, 1) != 1) { |
4721 |
perror("daemonize. Writing to pipe\n");
|
4722 |
} |
4723 |
} else
|
4724 |
#endif
|
4725 |
fprintf(stderr, "Could not acquire pid file: %s\n", strerror(errno));
|
4726 |
exit(1);
|
4727 |
} |
4728 |
|
4729 |
if (kvm_enabled()) {
|
4730 |
int ret;
|
4731 |
|
4732 |
ret = kvm_init(smp_cpus); |
4733 |
if (ret < 0) { |
4734 |
fprintf(stderr, "failed to initialize KVM\n");
|
4735 |
exit(1);
|
4736 |
} |
4737 |
} |
4738 |
|
4739 |
if (qemu_init_main_loop()) {
|
4740 |
fprintf(stderr, "qemu_init_main_loop failed\n");
|
4741 |
exit(1);
|
4742 |
} |
4743 |
linux_boot = (kernel_filename != NULL);
|
4744 |
|
4745 |
if (!linux_boot && *kernel_cmdline != '\0') { |
4746 |
fprintf(stderr, "-append only allowed with -kernel option\n");
|
4747 |
exit(1);
|
4748 |
} |
4749 |
|
4750 |
if (!linux_boot && initrd_filename != NULL) { |
4751 |
fprintf(stderr, "-initrd only allowed with -kernel option\n");
|
4752 |
exit(1);
|
4753 |
} |
4754 |
|
4755 |
#ifndef _WIN32
|
4756 |
/* Win32 doesn't support line-buffering and requires size >= 2 */
|
4757 |
setvbuf(stdout, NULL, _IOLBF, 0); |
4758 |
#endif
|
4759 |
|
4760 |
if (init_timer_alarm() < 0) { |
4761 |
fprintf(stderr, "could not initialize alarm timer\n");
|
4762 |
exit(1);
|
4763 |
} |
4764 |
configure_icount(icount_option); |
4765 |
|
4766 |
#ifdef _WIN32
|
4767 |
socket_init(); |
4768 |
#endif
|
4769 |
|
4770 |
if (net_init_clients() < 0) { |
4771 |
exit(1);
|
4772 |
} |
4773 |
|
4774 |
net_boot = (boot_devices_bitmap >> ('n' - 'a')) & 0xF; |
4775 |
net_set_boot_mask(net_boot); |
4776 |
|
4777 |
/* init the bluetooth world */
|
4778 |
if (foreach_device_config(DEV_BT, bt_parse))
|
4779 |
exit(1);
|
4780 |
|
4781 |
/* init the memory */
|
4782 |
if (ram_size == 0) |
4783 |
ram_size = DEFAULT_RAM_SIZE * 1024 * 1024; |
4784 |
|
4785 |
/* init the dynamic translator */
|
4786 |
cpu_exec_init_all(tb_size * 1024 * 1024); |
4787 |
|
4788 |
bdrv_init_with_whitelist(); |
4789 |
|
4790 |
blk_mig_init(); |
4791 |
|
4792 |
if (default_cdrom) {
|
4793 |
/* we always create the cdrom drive, even if no disk is there */
|
4794 |
drive_add(NULL, CDROM_ALIAS);
|
4795 |
} |
4796 |
|
4797 |
if (default_floppy) {
|
4798 |
/* we always create at least one floppy */
|
4799 |
drive_add(NULL, FD_ALIAS, 0); |
4800 |
} |
4801 |
|
4802 |
if (default_sdcard) {
|
4803 |
/* we always create one sd slot, even if no card is in it */
|
4804 |
drive_add(NULL, SD_ALIAS);
|
4805 |
} |
4806 |
|
4807 |
/* open the virtual block devices */
|
4808 |
if (snapshot)
|
4809 |
qemu_opts_foreach(&qemu_drive_opts, drive_enable_snapshot, NULL, 0); |
4810 |
if (qemu_opts_foreach(&qemu_drive_opts, drive_init_func, machine, 1) != 0) |
4811 |
exit(1);
|
4812 |
|
4813 |
register_savevm_live("ram", 0, 3, NULL, ram_save_live, NULL, |
4814 |
ram_load, NULL);
|
4815 |
|
4816 |
if (nb_numa_nodes > 0) { |
4817 |
int i;
|
4818 |
|
4819 |
if (nb_numa_nodes > smp_cpus) {
|
4820 |
nb_numa_nodes = smp_cpus; |
4821 |
} |
4822 |
|
4823 |
/* If no memory size if given for any node, assume the default case
|
4824 |
* and distribute the available memory equally across all nodes
|
4825 |
*/
|
4826 |
for (i = 0; i < nb_numa_nodes; i++) { |
4827 |
if (node_mem[i] != 0) |
4828 |
break;
|
4829 |
} |
4830 |
if (i == nb_numa_nodes) {
|
4831 |
uint64_t usedmem = 0;
|
4832 |
|
4833 |
/* On Linux, the each node's border has to be 8MB aligned,
|
4834 |
* the final node gets the rest.
|
4835 |
*/
|
4836 |
for (i = 0; i < nb_numa_nodes - 1; i++) { |
4837 |
node_mem[i] = (ram_size / nb_numa_nodes) & ~((1 << 23UL) - 1); |
4838 |
usedmem += node_mem[i]; |
4839 |
} |
4840 |
node_mem[i] = ram_size - usedmem; |
4841 |
} |
4842 |
|
4843 |
for (i = 0; i < nb_numa_nodes; i++) { |
4844 |
if (node_cpumask[i] != 0) |
4845 |
break;
|
4846 |
} |
4847 |
/* assigning the VCPUs round-robin is easier to implement, guest OSes
|
4848 |
* must cope with this anyway, because there are BIOSes out there in
|
4849 |
* real machines which also use this scheme.
|
4850 |
*/
|
4851 |
if (i == nb_numa_nodes) {
|
4852 |
for (i = 0; i < smp_cpus; i++) { |
4853 |
node_cpumask[i % nb_numa_nodes] |= 1 << i;
|
4854 |
} |
4855 |
} |
4856 |
} |
4857 |
|
4858 |
if (foreach_device_config(DEV_SERIAL, serial_parse) < 0) |
4859 |
exit(1);
|
4860 |
if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0) |
4861 |
exit(1);
|
4862 |
if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0) |
4863 |
exit(1);
|
4864 |
if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0) |
4865 |
exit(1);
|
4866 |
|
4867 |
module_call_init(MODULE_INIT_DEVICE); |
4868 |
|
4869 |
if (qemu_opts_foreach(&qemu_device_opts, device_help_func, NULL, 0) != 0) |
4870 |
exit(0);
|
4871 |
|
4872 |
if (watchdog) {
|
4873 |
i = select_watchdog(watchdog); |
4874 |
if (i > 0) |
4875 |
exit (i == 1 ? 1 : 0); |
4876 |
} |
4877 |
|
4878 |
if (machine->compat_props) {
|
4879 |
qdev_prop_register_global_list(machine->compat_props); |
4880 |
} |
4881 |
qemu_add_globals(); |
4882 |
|
4883 |
machine->init(ram_size, boot_devices, |
4884 |
kernel_filename, kernel_cmdline, initrd_filename, cpu_model); |
4885 |
|
4886 |
cpu_synchronize_all_post_init(); |
4887 |
|
4888 |
#ifndef _WIN32
|
4889 |
/* must be after terminal init, SDL library changes signal handlers */
|
4890 |
sighandler_setup(); |
4891 |
#endif
|
4892 |
|
4893 |
set_numa_modes(); |
4894 |
|
4895 |
current_machine = machine; |
4896 |
|
4897 |
/* init USB devices */
|
4898 |
if (usb_enabled) {
|
4899 |
if (foreach_device_config(DEV_USB, usb_parse) < 0) |
4900 |
exit(1);
|
4901 |
} |
4902 |
|
4903 |
/* init generic devices */
|
4904 |
if (qemu_opts_foreach(&qemu_device_opts, device_init_func, NULL, 1) != 0) |
4905 |
exit(1);
|
4906 |
|
4907 |
net_check_clients(); |
4908 |
|
4909 |
/* just use the first displaystate for the moment */
|
4910 |
ds = get_displaystate(); |
4911 |
|
4912 |
if (display_type == DT_DEFAULT) {
|
4913 |
#if defined(CONFIG_SDL) || defined(CONFIG_COCOA)
|
4914 |
display_type = DT_SDL; |
4915 |
#else
|
4916 |
display_type = DT_VNC; |
4917 |
vnc_display = "localhost:0,to=99";
|
4918 |
show_vnc_port = 1;
|
4919 |
#endif
|
4920 |
} |
4921 |
|
4922 |
|
4923 |
switch (display_type) {
|
4924 |
case DT_NOGRAPHIC:
|
4925 |
break;
|
4926 |
#if defined(CONFIG_CURSES)
|
4927 |
case DT_CURSES:
|
4928 |
curses_display_init(ds, full_screen); |
4929 |
break;
|
4930 |
#endif
|
4931 |
#if defined(CONFIG_SDL)
|
4932 |
case DT_SDL:
|
4933 |
sdl_display_init(ds, full_screen, no_frame); |
4934 |
break;
|
4935 |
#elif defined(CONFIG_COCOA)
|
4936 |
case DT_SDL:
|
4937 |
cocoa_display_init(ds, full_screen); |
4938 |
break;
|
4939 |
#endif
|
4940 |
case DT_VNC:
|
4941 |
vnc_display_init(ds); |
4942 |
if (vnc_display_open(ds, vnc_display) < 0) |
4943 |
exit(1);
|
4944 |
|
4945 |
if (show_vnc_port) {
|
4946 |
printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
|
4947 |
} |
4948 |
break;
|
4949 |
default:
|
4950 |
break;
|
4951 |
} |
4952 |
dpy_resize(ds); |
4953 |
|
4954 |
dcl = ds->listeners; |
4955 |
while (dcl != NULL) { |
4956 |
if (dcl->dpy_refresh != NULL) { |
4957 |
ds->gui_timer = qemu_new_timer(rt_clock, gui_update, ds); |
4958 |
qemu_mod_timer(ds->gui_timer, qemu_get_clock(rt_clock)); |
4959 |
} |
4960 |
dcl = dcl->next; |
4961 |
} |
4962 |
|
4963 |
if (display_type == DT_NOGRAPHIC || display_type == DT_VNC) {
|
4964 |
nographic_timer = qemu_new_timer(rt_clock, nographic_update, NULL);
|
4965 |
qemu_mod_timer(nographic_timer, qemu_get_clock(rt_clock)); |
4966 |
} |
4967 |
|
4968 |
text_consoles_set_display(ds); |
4969 |
|
4970 |
if (qemu_opts_foreach(&qemu_mon_opts, mon_init_func, NULL, 1) != 0) |
4971 |
exit(1);
|
4972 |
|
4973 |
if (gdbstub_dev && gdbserver_start(gdbstub_dev) < 0) { |
4974 |
fprintf(stderr, "qemu: could not open gdbserver on device '%s'\n",
|
4975 |
gdbstub_dev); |
4976 |
exit(1);
|
4977 |
} |
4978 |
|
4979 |
qdev_machine_creation_done(); |
4980 |
|
4981 |
if (rom_load_all() != 0) { |
4982 |
fprintf(stderr, "rom loading failed\n");
|
4983 |
exit(1);
|
4984 |
} |
4985 |
|
4986 |
qemu_system_reset(); |
4987 |
if (loadvm) {
|
4988 |
if (load_vmstate(loadvm) < 0) { |
4989 |
autostart = 0;
|
4990 |
} |
4991 |
} |
4992 |
|
4993 |
if (incoming) {
|
4994 |
qemu_start_incoming_migration(incoming); |
4995 |
} else if (autostart) { |
4996 |
vm_start(); |
4997 |
} |
4998 |
|
4999 |
#ifndef _WIN32
|
5000 |
if (daemonize) {
|
5001 |
uint8_t status = 0;
|
5002 |
ssize_t len; |
5003 |
|
5004 |
again1:
|
5005 |
len = write(fds[1], &status, 1); |
5006 |
if (len == -1 && (errno == EINTR)) |
5007 |
goto again1;
|
5008 |
|
5009 |
if (len != 1) |
5010 |
exit(1);
|
5011 |
|
5012 |
if (chdir("/")) { |
5013 |
perror("not able to chdir to /");
|
5014 |
exit(1);
|
5015 |
} |
5016 |
TFR(fd = qemu_open("/dev/null", O_RDWR));
|
5017 |
if (fd == -1) |
5018 |
exit(1);
|
5019 |
} |
5020 |
|
5021 |
if (run_as) {
|
5022 |
pwd = getpwnam(run_as); |
5023 |
if (!pwd) {
|
5024 |
fprintf(stderr, "User \"%s\" doesn't exist\n", run_as);
|
5025 |
exit(1);
|
5026 |
} |
5027 |
} |
5028 |
|
5029 |
if (chroot_dir) {
|
5030 |
if (chroot(chroot_dir) < 0) { |
5031 |
fprintf(stderr, "chroot failed\n");
|
5032 |
exit(1);
|
5033 |
} |
5034 |
if (chdir("/")) { |
5035 |
perror("not able to chdir to /");
|
5036 |
exit(1);
|
5037 |
} |
5038 |
} |
5039 |
|
5040 |
if (run_as) {
|
5041 |
if (setgid(pwd->pw_gid) < 0) { |
5042 |
fprintf(stderr, "Failed to setgid(%d)\n", pwd->pw_gid);
|
5043 |
exit(1);
|
5044 |
} |
5045 |
if (setuid(pwd->pw_uid) < 0) { |
5046 |
fprintf(stderr, "Failed to setuid(%d)\n", pwd->pw_uid);
|
5047 |
exit(1);
|
5048 |
} |
5049 |
if (setuid(0) != -1) { |
5050 |
fprintf(stderr, "Dropping privileges failed\n");
|
5051 |
exit(1);
|
5052 |
} |
5053 |
} |
5054 |
|
5055 |
if (daemonize) {
|
5056 |
dup2(fd, 0);
|
5057 |
dup2(fd, 1);
|
5058 |
dup2(fd, 2);
|
5059 |
|
5060 |
close(fd); |
5061 |
} |
5062 |
#endif
|
5063 |
|
5064 |
main_loop(); |
5065 |
quit_timers(); |
5066 |
net_cleanup(); |
5067 |
|
5068 |
return 0; |
5069 |
} |