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/*
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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> |
| 28 |
#include <errno.h> |
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#include <sys/time.h> |
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#include <zlib.h> |
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|
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/* Needed early for CONFIG_BSD etc. */
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#include "config-host.h" |
| 34 |
|
| 35 |
#ifndef _WIN32
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#include <libgen.h> |
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#include <pwd.h> |
| 38 |
#include <sys/times.h> |
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#include <sys/wait.h> |
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#include <termios.h> |
| 41 |
#include <sys/mman.h> |
| 42 |
#include <sys/ioctl.h> |
| 43 |
#include <sys/resource.h> |
| 44 |
#include <sys/socket.h> |
| 45 |
#include <netinet/in.h> |
| 46 |
#include <net/if.h> |
| 47 |
#include <arpa/inet.h> |
| 48 |
#include <dirent.h> |
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#include <netdb.h> |
| 50 |
#include <sys/select.h> |
| 51 |
#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> |
| 61 |
#include <malloc.h> |
| 62 |
#include <sys/prctl.h> |
| 63 |
|
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#include <linux/ppdev.h> |
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#include <linux/parport.h> |
| 66 |
#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> |
| 73 |
#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> |
| 78 |
#include <net/if.h> |
| 79 |
#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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|
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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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#if defined(CONFIG_UUID)
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#include <uuid/uuid.h> |
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#endif
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#ifdef _WIN32
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#include <windows.h> |
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#endif
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#ifdef CONFIG_SDL
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#if defined(__APPLE__) || defined(main)
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#include <SDL.h> |
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int qemu_main(int argc, char **argv, char **envp); |
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int main(int argc, char **argv) |
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{
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return qemu_main(argc, argv, NULL); |
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} |
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#undef main
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#define main qemu_main
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#endif
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#endif /* CONFIG_SDL */ |
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|
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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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|
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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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|
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#include "disas.h" |
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|
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#include "exec-all.h" |
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|
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#include "qemu_socket.h" |
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|
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#include "slirp/libslirp.h" |
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|
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#include "qemu-queue.h" |
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|
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//#define DEBUG_NET
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//#define DEBUG_SLIRP
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|
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#define DEFAULT_RAM_SIZE 128 |
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|
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#define MAX_VIRTIO_CONSOLES 1 |
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|
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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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#ifdef TARGET_I386
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int win2k_install_hack = 0; |
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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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|
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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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|
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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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|
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uint8_t qemu_uuid[16];
|
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|
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static QEMUBootSetHandler *boot_set_handler;
|
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static void *boot_set_opaque; |
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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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|
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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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static int default_qmp = 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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}; |
| 296 |
|
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static int default_driver_check(QemuOpts *opts, void *opaque) |
| 298 |
{
|
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const char *driver = qemu_opt_get(opts, "driver"); |
| 300 |
int i;
|
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|
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if (!driver)
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return 0; |
| 304 |
for (i = 0; i < ARRAY_SIZE(default_list); i++) { |
| 305 |
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; |
| 310 |
} |
| 311 |
|
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/***********************************************************/
|
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/* x86 ISA bus support */
|
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|
| 315 |
target_phys_addr_t isa_mem_base = 0;
|
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PicState2 *isa_pic; |
| 317 |
|
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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; |
| 322 |
CPUState *env; |
| 323 |
|
| 324 |
va_start(ap, fmt); |
| 325 |
fprintf(stderr, "qemu: hardware error: ");
|
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vfprintf(stderr, fmt, ap); |
| 327 |
fprintf(stderr, "\n");
|
| 328 |
for(env = first_cpu; env != NULL; env = env->next_cpu) { |
| 329 |
fprintf(stderr, "CPU #%d:\n", env->cpu_index);
|
| 330 |
#ifdef TARGET_I386
|
| 331 |
cpu_dump_state(env, stderr, fprintf, X86_DUMP_FPU); |
| 332 |
#else
|
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cpu_dump_state(env, stderr, fprintf, 0);
|
| 334 |
#endif
|
| 335 |
} |
| 336 |
va_end(ap); |
| 337 |
abort(); |
| 338 |
} |
| 339 |
|
| 340 |
static void set_proc_name(const char *s) |
| 341 |
{
|
| 342 |
#if defined(__linux__) && defined(PR_SET_NAME)
|
| 343 |
char name[16]; |
| 344 |
if (!s)
|
| 345 |
return;
|
| 346 |
name[sizeof(name) - 1] = 0; |
| 347 |
strncpy(name, s, sizeof(name));
|
| 348 |
/* Could rewrite argv[0] too, but that's a bit more complicated.
|
| 349 |
This simple way is enough for `top'. */
|
| 350 |
prctl(PR_SET_NAME, name); |
| 351 |
#endif
|
| 352 |
} |
| 353 |
|
| 354 |
/***************/
|
| 355 |
/* ballooning */
|
| 356 |
|
| 357 |
static QEMUBalloonEvent *qemu_balloon_event;
|
| 358 |
void *qemu_balloon_event_opaque;
|
| 359 |
|
| 360 |
void qemu_add_balloon_handler(QEMUBalloonEvent *func, void *opaque) |
| 361 |
{
|
| 362 |
qemu_balloon_event = func; |
| 363 |
qemu_balloon_event_opaque = opaque; |
| 364 |
} |
| 365 |
|
| 366 |
int qemu_balloon(ram_addr_t target, MonitorCompletion cb, void *opaque) |
| 367 |
{
|
| 368 |
if (qemu_balloon_event) {
|
| 369 |
qemu_balloon_event(qemu_balloon_event_opaque, target, cb, opaque); |
| 370 |
return 1; |
| 371 |
} else {
|
| 372 |
return 0; |
| 373 |
} |
| 374 |
} |
| 375 |
|
| 376 |
int qemu_balloon_status(MonitorCompletion cb, void *opaque) |
| 377 |
{
|
| 378 |
if (qemu_balloon_event) {
|
| 379 |
qemu_balloon_event(qemu_balloon_event_opaque, 0, cb, opaque);
|
| 380 |
return 1; |
| 381 |
} else {
|
| 382 |
return 0; |
| 383 |
} |
| 384 |
} |
| 385 |
|
| 386 |
|
| 387 |
/***********************************************************/
|
| 388 |
/* real time host monotonic timer */
|
| 389 |
|
| 390 |
/* compute with 96 bit intermediate result: (a*b)/c */
|
| 391 |
uint64_t muldiv64(uint64_t a, uint32_t b, uint32_t c) |
| 392 |
{
|
| 393 |
union {
|
| 394 |
uint64_t ll; |
| 395 |
struct {
|
| 396 |
#ifdef HOST_WORDS_BIGENDIAN
|
| 397 |
uint32_t high, low; |
| 398 |
#else
|
| 399 |
uint32_t low, high; |
| 400 |
#endif
|
| 401 |
} l; |
| 402 |
} u, res; |
| 403 |
uint64_t rl, rh; |
| 404 |
|
| 405 |
u.ll = a; |
| 406 |
rl = (uint64_t)u.l.low * (uint64_t)b; |
| 407 |
rh = (uint64_t)u.l.high * (uint64_t)b; |
| 408 |
rh += (rl >> 32);
|
| 409 |
res.l.high = rh / c; |
| 410 |
res.l.low = (((rh % c) << 32) + (rl & 0xffffffff)) / c; |
| 411 |
return res.ll;
|
| 412 |
} |
| 413 |
|
| 414 |
/***********************************************************/
|
| 415 |
/* host time/date access */
|
| 416 |
void qemu_get_timedate(struct tm *tm, int offset) |
| 417 |
{
|
| 418 |
time_t ti; |
| 419 |
struct tm *ret;
|
| 420 |
|
| 421 |
time(&ti); |
| 422 |
ti += offset; |
| 423 |
if (rtc_date_offset == -1) { |
| 424 |
if (rtc_utc)
|
| 425 |
ret = gmtime(&ti); |
| 426 |
else
|
| 427 |
ret = localtime(&ti); |
| 428 |
} else {
|
| 429 |
ti -= rtc_date_offset; |
| 430 |
ret = gmtime(&ti); |
| 431 |
} |
| 432 |
|
| 433 |
memcpy(tm, ret, sizeof(struct tm)); |
| 434 |
} |
| 435 |
|
| 436 |
int qemu_timedate_diff(struct tm *tm) |
| 437 |
{
|
| 438 |
time_t seconds; |
| 439 |
|
| 440 |
if (rtc_date_offset == -1) |
| 441 |
if (rtc_utc)
|
| 442 |
seconds = mktimegm(tm); |
| 443 |
else
|
| 444 |
seconds = mktime(tm); |
| 445 |
else
|
| 446 |
seconds = mktimegm(tm) + rtc_date_offset; |
| 447 |
|
| 448 |
return seconds - time(NULL); |
| 449 |
} |
| 450 |
|
| 451 |
void rtc_change_mon_event(struct tm *tm) |
| 452 |
{
|
| 453 |
QObject *data; |
| 454 |
|
| 455 |
data = qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm));
|
| 456 |
monitor_protocol_event(QEVENT_RTC_CHANGE, data); |
| 457 |
qobject_decref(data); |
| 458 |
} |
| 459 |
|
| 460 |
static void configure_rtc_date_offset(const char *startdate, int legacy) |
| 461 |
{
|
| 462 |
time_t rtc_start_date; |
| 463 |
struct tm tm;
|
| 464 |
|
| 465 |
if (!strcmp(startdate, "now") && legacy) { |
| 466 |
rtc_date_offset = -1;
|
| 467 |
} else {
|
| 468 |
if (sscanf(startdate, "%d-%d-%dT%d:%d:%d", |
| 469 |
&tm.tm_year, |
| 470 |
&tm.tm_mon, |
| 471 |
&tm.tm_mday, |
| 472 |
&tm.tm_hour, |
| 473 |
&tm.tm_min, |
| 474 |
&tm.tm_sec) == 6) {
|
| 475 |
/* OK */
|
| 476 |
} else if (sscanf(startdate, "%d-%d-%d", |
| 477 |
&tm.tm_year, |
| 478 |
&tm.tm_mon, |
| 479 |
&tm.tm_mday) == 3) {
|
| 480 |
tm.tm_hour = 0;
|
| 481 |
tm.tm_min = 0;
|
| 482 |
tm.tm_sec = 0;
|
| 483 |
} else {
|
| 484 |
goto date_fail;
|
| 485 |
} |
| 486 |
tm.tm_year -= 1900;
|
| 487 |
tm.tm_mon--; |
| 488 |
rtc_start_date = mktimegm(&tm); |
| 489 |
if (rtc_start_date == -1) { |
| 490 |
date_fail:
|
| 491 |
fprintf(stderr, "Invalid date format. Valid formats are:\n"
|
| 492 |
"'2006-06-17T16:01:21' or '2006-06-17'\n");
|
| 493 |
exit(1);
|
| 494 |
} |
| 495 |
rtc_date_offset = time(NULL) - rtc_start_date;
|
| 496 |
} |
| 497 |
} |
| 498 |
|
| 499 |
static void configure_rtc(QemuOpts *opts) |
| 500 |
{
|
| 501 |
const char *value; |
| 502 |
|
| 503 |
value = qemu_opt_get(opts, "base");
|
| 504 |
if (value) {
|
| 505 |
if (!strcmp(value, "utc")) { |
| 506 |
rtc_utc = 1;
|
| 507 |
} else if (!strcmp(value, "localtime")) { |
| 508 |
rtc_utc = 0;
|
| 509 |
} else {
|
| 510 |
configure_rtc_date_offset(value, 0);
|
| 511 |
} |
| 512 |
} |
| 513 |
value = qemu_opt_get(opts, "clock");
|
| 514 |
if (value) {
|
| 515 |
if (!strcmp(value, "host")) { |
| 516 |
rtc_clock = host_clock; |
| 517 |
} else if (!strcmp(value, "vm")) { |
| 518 |
rtc_clock = vm_clock; |
| 519 |
} else {
|
| 520 |
fprintf(stderr, "qemu: invalid option value '%s'\n", value);
|
| 521 |
exit(1);
|
| 522 |
} |
| 523 |
} |
| 524 |
#ifdef CONFIG_TARGET_I386
|
| 525 |
value = qemu_opt_get(opts, "driftfix");
|
| 526 |
if (value) {
|
| 527 |
if (!strcmp(buf, "slew")) { |
| 528 |
rtc_td_hack = 1;
|
| 529 |
} else if (!strcmp(buf, "none")) { |
| 530 |
rtc_td_hack = 0;
|
| 531 |
} else {
|
| 532 |
fprintf(stderr, "qemu: invalid option value '%s'\n", value);
|
| 533 |
exit(1);
|
| 534 |
} |
| 535 |
} |
| 536 |
#endif
|
| 537 |
} |
| 538 |
|
| 539 |
#ifdef _WIN32
|
| 540 |
static void socket_cleanup(void) |
| 541 |
{
|
| 542 |
WSACleanup(); |
| 543 |
} |
| 544 |
|
| 545 |
static int socket_init(void) |
| 546 |
{
|
| 547 |
WSADATA Data; |
| 548 |
int ret, err;
|
| 549 |
|
| 550 |
ret = WSAStartup(MAKEWORD(2,2), &Data); |
| 551 |
if (ret != 0) { |
| 552 |
err = WSAGetLastError(); |
| 553 |
fprintf(stderr, "WSAStartup: %d\n", err);
|
| 554 |
return -1; |
| 555 |
} |
| 556 |
atexit(socket_cleanup); |
| 557 |
return 0; |
| 558 |
} |
| 559 |
#endif
|
| 560 |
|
| 561 |
/***********************************************************/
|
| 562 |
/* Bluetooth support */
|
| 563 |
static int nb_hcis; |
| 564 |
static int cur_hci; |
| 565 |
static struct HCIInfo *hci_table[MAX_NICS]; |
| 566 |
|
| 567 |
static struct bt_vlan_s { |
| 568 |
struct bt_scatternet_s net;
|
| 569 |
int id;
|
| 570 |
struct bt_vlan_s *next;
|
| 571 |
} *first_bt_vlan; |
| 572 |
|
| 573 |
/* find or alloc a new bluetooth "VLAN" */
|
| 574 |
static struct bt_scatternet_s *qemu_find_bt_vlan(int id) |
| 575 |
{
|
| 576 |
struct bt_vlan_s **pvlan, *vlan;
|
| 577 |
for (vlan = first_bt_vlan; vlan != NULL; vlan = vlan->next) { |
| 578 |
if (vlan->id == id)
|
| 579 |
return &vlan->net;
|
| 580 |
} |
| 581 |
vlan = qemu_mallocz(sizeof(struct bt_vlan_s)); |
| 582 |
vlan->id = id; |
| 583 |
pvlan = &first_bt_vlan; |
| 584 |
while (*pvlan != NULL) |
| 585 |
pvlan = &(*pvlan)->next; |
| 586 |
*pvlan = vlan; |
| 587 |
return &vlan->net;
|
| 588 |
} |
| 589 |
|
| 590 |
static void null_hci_send(struct HCIInfo *hci, const uint8_t *data, int len) |
| 591 |
{
|
| 592 |
} |
| 593 |
|
| 594 |
static int null_hci_addr_set(struct HCIInfo *hci, const uint8_t *bd_addr) |
| 595 |
{
|
| 596 |
return -ENOTSUP;
|
| 597 |
} |
| 598 |
|
| 599 |
static struct HCIInfo null_hci = { |
| 600 |
.cmd_send = null_hci_send, |
| 601 |
.sco_send = null_hci_send, |
| 602 |
.acl_send = null_hci_send, |
| 603 |
.bdaddr_set = null_hci_addr_set, |
| 604 |
}; |
| 605 |
|
| 606 |
struct HCIInfo *qemu_next_hci(void) |
| 607 |
{
|
| 608 |
if (cur_hci == nb_hcis)
|
| 609 |
return &null_hci;
|
| 610 |
|
| 611 |
return hci_table[cur_hci++];
|
| 612 |
} |
| 613 |
|
| 614 |
static struct HCIInfo *hci_init(const char *str) |
| 615 |
{
|
| 616 |
char *endp;
|
| 617 |
struct bt_scatternet_s *vlan = 0; |
| 618 |
|
| 619 |
if (!strcmp(str, "null")) |
| 620 |
/* null */
|
| 621 |
return &null_hci;
|
| 622 |
else if (!strncmp(str, "host", 4) && (str[4] == '\0' || str[4] == ':')) |
| 623 |
/* host[:hciN] */
|
| 624 |
return bt_host_hci(str[4] ? str + 5 : "hci0"); |
| 625 |
else if (!strncmp(str, "hci", 3)) { |
| 626 |
/* hci[,vlan=n] */
|
| 627 |
if (str[3]) { |
| 628 |
if (!strncmp(str + 3, ",vlan=", 6)) { |
| 629 |
vlan = qemu_find_bt_vlan(strtol(str + 9, &endp, 0)); |
| 630 |
if (*endp)
|
| 631 |
vlan = 0;
|
| 632 |
} |
| 633 |
} else
|
| 634 |
vlan = qemu_find_bt_vlan(0);
|
| 635 |
if (vlan)
|
| 636 |
return bt_new_hci(vlan);
|
| 637 |
} |
| 638 |
|
| 639 |
fprintf(stderr, "qemu: Unknown bluetooth HCI `%s'.\n", str);
|
| 640 |
|
| 641 |
return 0; |
| 642 |
} |
| 643 |
|
| 644 |
static int bt_hci_parse(const char *str) |
| 645 |
{
|
| 646 |
struct HCIInfo *hci;
|
| 647 |
bdaddr_t bdaddr; |
| 648 |
|
| 649 |
if (nb_hcis >= MAX_NICS) {
|
| 650 |
fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
|
| 651 |
return -1; |
| 652 |
} |
| 653 |
|
| 654 |
hci = hci_init(str); |
| 655 |
if (!hci)
|
| 656 |
return -1; |
| 657 |
|
| 658 |
bdaddr.b[0] = 0x52; |
| 659 |
bdaddr.b[1] = 0x54; |
| 660 |
bdaddr.b[2] = 0x00; |
| 661 |
bdaddr.b[3] = 0x12; |
| 662 |
bdaddr.b[4] = 0x34; |
| 663 |
bdaddr.b[5] = 0x56 + nb_hcis; |
| 664 |
hci->bdaddr_set(hci, bdaddr.b); |
| 665 |
|
| 666 |
hci_table[nb_hcis++] = hci; |
| 667 |
|
| 668 |
return 0; |
| 669 |
} |
| 670 |
|
| 671 |
static void bt_vhci_add(int vlan_id) |
| 672 |
{
|
| 673 |
struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
|
| 674 |
|
| 675 |
if (!vlan->slave)
|
| 676 |
fprintf(stderr, "qemu: warning: adding a VHCI to "
|
| 677 |
"an empty scatternet %i\n", vlan_id);
|
| 678 |
|
| 679 |
bt_vhci_init(bt_new_hci(vlan)); |
| 680 |
} |
| 681 |
|
| 682 |
static struct bt_device_s *bt_device_add(const char *opt) |
| 683 |
{
|
| 684 |
struct bt_scatternet_s *vlan;
|
| 685 |
int vlan_id = 0; |
| 686 |
char *endp = strstr(opt, ",vlan="); |
| 687 |
int len = (endp ? endp - opt : strlen(opt)) + 1; |
| 688 |
char devname[10]; |
| 689 |
|
| 690 |
pstrcpy(devname, MIN(sizeof(devname), len), opt);
|
| 691 |
|
| 692 |
if (endp) {
|
| 693 |
vlan_id = strtol(endp + 6, &endp, 0); |
| 694 |
if (*endp) {
|
| 695 |
fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
|
| 696 |
return 0; |
| 697 |
} |
| 698 |
} |
| 699 |
|
| 700 |
vlan = qemu_find_bt_vlan(vlan_id); |
| 701 |
|
| 702 |
if (!vlan->slave)
|
| 703 |
fprintf(stderr, "qemu: warning: adding a slave device to "
|
| 704 |
"an empty scatternet %i\n", vlan_id);
|
| 705 |
|
| 706 |
if (!strcmp(devname, "keyboard")) |
| 707 |
return bt_keyboard_init(vlan);
|
| 708 |
|
| 709 |
fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
|
| 710 |
return 0; |
| 711 |
} |
| 712 |
|
| 713 |
static int bt_parse(const char *opt) |
| 714 |
{
|
| 715 |
const char *endp, *p; |
| 716 |
int vlan;
|
| 717 |
|
| 718 |
if (strstart(opt, "hci", &endp)) { |
| 719 |
if (!*endp || *endp == ',') { |
| 720 |
if (*endp)
|
| 721 |
if (!strstart(endp, ",vlan=", 0)) |
| 722 |
opt = endp + 1;
|
| 723 |
|
| 724 |
return bt_hci_parse(opt);
|
| 725 |
} |
| 726 |
} else if (strstart(opt, "vhci", &endp)) { |
| 727 |
if (!*endp || *endp == ',') { |
| 728 |
if (*endp) {
|
| 729 |
if (strstart(endp, ",vlan=", &p)) { |
| 730 |
vlan = strtol(p, (char **) &endp, 0); |
| 731 |
if (*endp) {
|
| 732 |
fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
|
| 733 |
return 1; |
| 734 |
} |
| 735 |
} else {
|
| 736 |
fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1); |
| 737 |
return 1; |
| 738 |
} |
| 739 |
} else
|
| 740 |
vlan = 0;
|
| 741 |
|
| 742 |
bt_vhci_add(vlan); |
| 743 |
return 0; |
| 744 |
} |
| 745 |
} else if (strstart(opt, "device:", &endp)) |
| 746 |
return !bt_device_add(endp);
|
| 747 |
|
| 748 |
fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
|
| 749 |
return 1; |
| 750 |
} |
| 751 |
|
| 752 |
/***********************************************************/
|
| 753 |
/* QEMU Block devices */
|
| 754 |
|
| 755 |
#define HD_ALIAS "index=%d,media=disk" |
| 756 |
#define CDROM_ALIAS "index=2,media=cdrom" |
| 757 |
#define FD_ALIAS "index=%d,if=floppy" |
| 758 |
#define PFLASH_ALIAS "if=pflash" |
| 759 |
#define MTD_ALIAS "if=mtd" |
| 760 |
#define SD_ALIAS "index=0,if=sd" |
| 761 |
|
| 762 |
QemuOpts *drive_add(const char *file, const char *fmt, ...) |
| 763 |
{
|
| 764 |
va_list ap; |
| 765 |
char optstr[1024]; |
| 766 |
QemuOpts *opts; |
| 767 |
|
| 768 |
va_start(ap, fmt); |
| 769 |
vsnprintf(optstr, sizeof(optstr), fmt, ap);
|
| 770 |
va_end(ap); |
| 771 |
|
| 772 |
opts = qemu_opts_parse(&qemu_drive_opts, optstr, 0);
|
| 773 |
if (!opts) {
|
| 774 |
fprintf(stderr, "%s: huh? duplicate? (%s)\n",
|
| 775 |
__FUNCTION__, optstr); |
| 776 |
return NULL; |
| 777 |
} |
| 778 |
if (file)
|
| 779 |
qemu_opt_set(opts, "file", file);
|
| 780 |
return opts;
|
| 781 |
} |
| 782 |
|
| 783 |
DriveInfo *drive_get(BlockInterfaceType type, int bus, int unit) |
| 784 |
{
|
| 785 |
DriveInfo *dinfo; |
| 786 |
|
| 787 |
/* seek interface, bus and unit */
|
| 788 |
|
| 789 |
QTAILQ_FOREACH(dinfo, &drives, next) {
|
| 790 |
if (dinfo->type == type &&
|
| 791 |
dinfo->bus == bus && |
| 792 |
dinfo->unit == unit) |
| 793 |
return dinfo;
|
| 794 |
} |
| 795 |
|
| 796 |
return NULL; |
| 797 |
} |
| 798 |
|
| 799 |
DriveInfo *drive_get_by_id(const char *id) |
| 800 |
{
|
| 801 |
DriveInfo *dinfo; |
| 802 |
|
| 803 |
QTAILQ_FOREACH(dinfo, &drives, next) {
|
| 804 |
if (strcmp(id, dinfo->id))
|
| 805 |
continue;
|
| 806 |
return dinfo;
|
| 807 |
} |
| 808 |
return NULL; |
| 809 |
} |
| 810 |
|
| 811 |
int drive_get_max_bus(BlockInterfaceType type)
|
| 812 |
{
|
| 813 |
int max_bus;
|
| 814 |
DriveInfo *dinfo; |
| 815 |
|
| 816 |
max_bus = -1;
|
| 817 |
QTAILQ_FOREACH(dinfo, &drives, next) {
|
| 818 |
if(dinfo->type == type &&
|
| 819 |
dinfo->bus > max_bus) |
| 820 |
max_bus = dinfo->bus; |
| 821 |
} |
| 822 |
return max_bus;
|
| 823 |
} |
| 824 |
|
| 825 |
const char *drive_get_serial(BlockDriverState *bdrv) |
| 826 |
{
|
| 827 |
DriveInfo *dinfo; |
| 828 |
|
| 829 |
QTAILQ_FOREACH(dinfo, &drives, next) {
|
| 830 |
if (dinfo->bdrv == bdrv)
|
| 831 |
return dinfo->serial;
|
| 832 |
} |
| 833 |
|
| 834 |
return "\0"; |
| 835 |
} |
| 836 |
|
| 837 |
BlockInterfaceErrorAction drive_get_on_error( |
| 838 |
BlockDriverState *bdrv, int is_read)
|
| 839 |
{
|
| 840 |
DriveInfo *dinfo; |
| 841 |
|
| 842 |
QTAILQ_FOREACH(dinfo, &drives, next) {
|
| 843 |
if (dinfo->bdrv == bdrv)
|
| 844 |
return is_read ? dinfo->on_read_error : dinfo->on_write_error;
|
| 845 |
} |
| 846 |
|
| 847 |
return is_read ? BLOCK_ERR_REPORT : BLOCK_ERR_STOP_ENOSPC;
|
| 848 |
} |
| 849 |
|
| 850 |
static void bdrv_format_print(void *opaque, const char *name) |
| 851 |
{
|
| 852 |
fprintf(stderr, " %s", name);
|
| 853 |
} |
| 854 |
|
| 855 |
void drive_uninit(DriveInfo *dinfo)
|
| 856 |
{
|
| 857 |
qemu_opts_del(dinfo->opts); |
| 858 |
bdrv_delete(dinfo->bdrv); |
| 859 |
QTAILQ_REMOVE(&drives, dinfo, next); |
| 860 |
qemu_free(dinfo); |
| 861 |
} |
| 862 |
|
| 863 |
static int parse_block_error_action(const char *buf, int is_read) |
| 864 |
{
|
| 865 |
if (!strcmp(buf, "ignore")) { |
| 866 |
return BLOCK_ERR_IGNORE;
|
| 867 |
} else if (!is_read && !strcmp(buf, "enospc")) { |
| 868 |
return BLOCK_ERR_STOP_ENOSPC;
|
| 869 |
} else if (!strcmp(buf, "stop")) { |
| 870 |
return BLOCK_ERR_STOP_ANY;
|
| 871 |
} else if (!strcmp(buf, "report")) { |
| 872 |
return BLOCK_ERR_REPORT;
|
| 873 |
} else {
|
| 874 |
fprintf(stderr, "qemu: '%s' invalid %s error action\n",
|
| 875 |
buf, is_read ? "read" : "write"); |
| 876 |
return -1; |
| 877 |
} |
| 878 |
} |
| 879 |
|
| 880 |
DriveInfo *drive_init(QemuOpts *opts, void *opaque,
|
| 881 |
int *fatal_error)
|
| 882 |
{
|
| 883 |
const char *buf; |
| 884 |
const char *file = NULL; |
| 885 |
char devname[128]; |
| 886 |
const char *serial; |
| 887 |
const char *mediastr = ""; |
| 888 |
BlockInterfaceType type; |
| 889 |
enum { MEDIA_DISK, MEDIA_CDROM } media;
|
| 890 |
int bus_id, unit_id;
|
| 891 |
int cyls, heads, secs, translation;
|
| 892 |
BlockDriver *drv = NULL;
|
| 893 |
QEMUMachine *machine = opaque; |
| 894 |
int max_devs;
|
| 895 |
int index;
|
| 896 |
int cache;
|
| 897 |
int aio = 0; |
| 898 |
int ro = 0; |
| 899 |
int bdrv_flags;
|
| 900 |
int on_read_error, on_write_error;
|
| 901 |
const char *devaddr; |
| 902 |
DriveInfo *dinfo; |
| 903 |
int snapshot = 0; |
| 904 |
|
| 905 |
*fatal_error = 1;
|
| 906 |
|
| 907 |
translation = BIOS_ATA_TRANSLATION_AUTO; |
| 908 |
cache = 1;
|
| 909 |
|
| 910 |
if (machine && machine->use_scsi) {
|
| 911 |
type = IF_SCSI; |
| 912 |
max_devs = MAX_SCSI_DEVS; |
| 913 |
pstrcpy(devname, sizeof(devname), "scsi"); |
| 914 |
} else {
|
| 915 |
type = IF_IDE; |
| 916 |
max_devs = MAX_IDE_DEVS; |
| 917 |
pstrcpy(devname, sizeof(devname), "ide"); |
| 918 |
} |
| 919 |
media = MEDIA_DISK; |
| 920 |
|
| 921 |
/* extract parameters */
|
| 922 |
bus_id = qemu_opt_get_number(opts, "bus", 0); |
| 923 |
unit_id = qemu_opt_get_number(opts, "unit", -1); |
| 924 |
index = qemu_opt_get_number(opts, "index", -1); |
| 925 |
|
| 926 |
cyls = qemu_opt_get_number(opts, "cyls", 0); |
| 927 |
heads = qemu_opt_get_number(opts, "heads", 0); |
| 928 |
secs = qemu_opt_get_number(opts, "secs", 0); |
| 929 |
|
| 930 |
snapshot = qemu_opt_get_bool(opts, "snapshot", 0); |
| 931 |
ro = qemu_opt_get_bool(opts, "readonly", 0); |
| 932 |
|
| 933 |
file = qemu_opt_get(opts, "file");
|
| 934 |
serial = qemu_opt_get(opts, "serial");
|
| 935 |
|
| 936 |
if ((buf = qemu_opt_get(opts, "if")) != NULL) { |
| 937 |
pstrcpy(devname, sizeof(devname), buf);
|
| 938 |
if (!strcmp(buf, "ide")) { |
| 939 |
type = IF_IDE; |
| 940 |
max_devs = MAX_IDE_DEVS; |
| 941 |
} else if (!strcmp(buf, "scsi")) { |
| 942 |
type = IF_SCSI; |
| 943 |
max_devs = MAX_SCSI_DEVS; |
| 944 |
} else if (!strcmp(buf, "floppy")) { |
| 945 |
type = IF_FLOPPY; |
| 946 |
max_devs = 0;
|
| 947 |
} else if (!strcmp(buf, "pflash")) { |
| 948 |
type = IF_PFLASH; |
| 949 |
max_devs = 0;
|
| 950 |
} else if (!strcmp(buf, "mtd")) { |
| 951 |
type = IF_MTD; |
| 952 |
max_devs = 0;
|
| 953 |
} else if (!strcmp(buf, "sd")) { |
| 954 |
type = IF_SD; |
| 955 |
max_devs = 0;
|
| 956 |
} else if (!strcmp(buf, "virtio")) { |
| 957 |
type = IF_VIRTIO; |
| 958 |
max_devs = 0;
|
| 959 |
} else if (!strcmp(buf, "xen")) { |
| 960 |
type = IF_XEN; |
| 961 |
max_devs = 0;
|
| 962 |
} else if (!strcmp(buf, "none")) { |
| 963 |
type = IF_NONE; |
| 964 |
max_devs = 0;
|
| 965 |
} else {
|
| 966 |
fprintf(stderr, "qemu: unsupported bus type '%s'\n", buf);
|
| 967 |
return NULL; |
| 968 |
} |
| 969 |
} |
| 970 |
|
| 971 |
if (cyls || heads || secs) {
|
| 972 |
if (cyls < 1 || (type == IF_IDE && cyls > 16383)) { |
| 973 |
fprintf(stderr, "qemu: '%s' invalid physical cyls number\n", buf);
|
| 974 |
return NULL; |
| 975 |
} |
| 976 |
if (heads < 1 || (type == IF_IDE && heads > 16)) { |
| 977 |
fprintf(stderr, "qemu: '%s' invalid physical heads number\n", buf);
|
| 978 |
return NULL; |
| 979 |
} |
| 980 |
if (secs < 1 || (type == IF_IDE && secs > 63)) { |
| 981 |
fprintf(stderr, "qemu: '%s' invalid physical secs number\n", buf);
|
| 982 |
return NULL; |
| 983 |
} |
| 984 |
} |
| 985 |
|
| 986 |
if ((buf = qemu_opt_get(opts, "trans")) != NULL) { |
| 987 |
if (!cyls) {
|
| 988 |
fprintf(stderr, |
| 989 |
"qemu: '%s' trans must be used with cyls,heads and secs\n",
|
| 990 |
buf); |
| 991 |
return NULL; |
| 992 |
} |
| 993 |
if (!strcmp(buf, "none")) |
| 994 |
translation = BIOS_ATA_TRANSLATION_NONE; |
| 995 |
else if (!strcmp(buf, "lba")) |
| 996 |
translation = BIOS_ATA_TRANSLATION_LBA; |
| 997 |
else if (!strcmp(buf, "auto")) |
| 998 |
translation = BIOS_ATA_TRANSLATION_AUTO; |
| 999 |
else {
|
| 1000 |
fprintf(stderr, "qemu: '%s' invalid translation type\n", buf);
|
| 1001 |
return NULL; |
| 1002 |
} |
| 1003 |
} |
| 1004 |
|
| 1005 |
if ((buf = qemu_opt_get(opts, "media")) != NULL) { |
| 1006 |
if (!strcmp(buf, "disk")) { |
| 1007 |
media = MEDIA_DISK; |
| 1008 |
} else if (!strcmp(buf, "cdrom")) { |
| 1009 |
if (cyls || secs || heads) {
|
| 1010 |
fprintf(stderr, |
| 1011 |
"qemu: '%s' invalid physical CHS format\n", buf);
|
| 1012 |
return NULL; |
| 1013 |
} |
| 1014 |
media = MEDIA_CDROM; |
| 1015 |
} else {
|
| 1016 |
fprintf(stderr, "qemu: '%s' invalid media\n", buf);
|
| 1017 |
return NULL; |
| 1018 |
} |
| 1019 |
} |
| 1020 |
|
| 1021 |
if ((buf = qemu_opt_get(opts, "cache")) != NULL) { |
| 1022 |
if (!strcmp(buf, "off") || !strcmp(buf, "none")) |
| 1023 |
cache = 0;
|
| 1024 |
else if (!strcmp(buf, "writethrough")) |
| 1025 |
cache = 1;
|
| 1026 |
else if (!strcmp(buf, "writeback")) |
| 1027 |
cache = 2;
|
| 1028 |
else {
|
| 1029 |
fprintf(stderr, "qemu: invalid cache option\n");
|
| 1030 |
return NULL; |
| 1031 |
} |
| 1032 |
} |
| 1033 |
|
| 1034 |
#ifdef CONFIG_LINUX_AIO
|
| 1035 |
if ((buf = qemu_opt_get(opts, "aio")) != NULL) { |
| 1036 |
if (!strcmp(buf, "threads")) |
| 1037 |
aio = 0;
|
| 1038 |
else if (!strcmp(buf, "native")) |
| 1039 |
aio = 1;
|
| 1040 |
else {
|
| 1041 |
fprintf(stderr, "qemu: invalid aio option\n");
|
| 1042 |
return NULL; |
| 1043 |
} |
| 1044 |
} |
| 1045 |
#endif
|
| 1046 |
|
| 1047 |
if ((buf = qemu_opt_get(opts, "format")) != NULL) { |
| 1048 |
if (strcmp(buf, "?") == 0) { |
| 1049 |
fprintf(stderr, "qemu: Supported formats:");
|
| 1050 |
bdrv_iterate_format(bdrv_format_print, NULL);
|
| 1051 |
fprintf(stderr, "\n");
|
| 1052 |
return NULL; |
| 1053 |
} |
| 1054 |
drv = bdrv_find_whitelisted_format(buf); |
| 1055 |
if (!drv) {
|
| 1056 |
fprintf(stderr, "qemu: '%s' invalid format\n", buf);
|
| 1057 |
return NULL; |
| 1058 |
} |
| 1059 |
} |
| 1060 |
|
| 1061 |
on_write_error = BLOCK_ERR_STOP_ENOSPC; |
| 1062 |
if ((buf = qemu_opt_get(opts, "werror")) != NULL) { |
| 1063 |
if (type != IF_IDE && type != IF_SCSI && type != IF_VIRTIO) {
|
| 1064 |
fprintf(stderr, "werror is no supported by this format\n");
|
| 1065 |
return NULL; |
| 1066 |
} |
| 1067 |
|
| 1068 |
on_write_error = parse_block_error_action(buf, 0);
|
| 1069 |
if (on_write_error < 0) { |
| 1070 |
return NULL; |
| 1071 |
} |
| 1072 |
} |
| 1073 |
|
| 1074 |
on_read_error = BLOCK_ERR_REPORT; |
| 1075 |
if ((buf = qemu_opt_get(opts, "rerror")) != NULL) { |
| 1076 |
if (type != IF_IDE && type != IF_VIRTIO) {
|
| 1077 |
fprintf(stderr, "rerror is no supported by this format\n");
|
| 1078 |
return NULL; |
| 1079 |
} |
| 1080 |
|
| 1081 |
on_read_error = parse_block_error_action(buf, 1);
|
| 1082 |
if (on_read_error < 0) { |
| 1083 |
return NULL; |
| 1084 |
} |
| 1085 |
} |
| 1086 |
|
| 1087 |
if ((devaddr = qemu_opt_get(opts, "addr")) != NULL) { |
| 1088 |
if (type != IF_VIRTIO) {
|
| 1089 |
fprintf(stderr, "addr is not supported\n");
|
| 1090 |
return NULL; |
| 1091 |
} |
| 1092 |
} |
| 1093 |
|
| 1094 |
/* compute bus and unit according index */
|
| 1095 |
|
| 1096 |
if (index != -1) { |
| 1097 |
if (bus_id != 0 || unit_id != -1) { |
| 1098 |
fprintf(stderr, |
| 1099 |
"qemu: index cannot be used with bus and unit\n");
|
| 1100 |
return NULL; |
| 1101 |
} |
| 1102 |
if (max_devs == 0) |
| 1103 |
{
|
| 1104 |
unit_id = index; |
| 1105 |
bus_id = 0;
|
| 1106 |
} else {
|
| 1107 |
unit_id = index % max_devs; |
| 1108 |
bus_id = index / max_devs; |
| 1109 |
} |
| 1110 |
} |
| 1111 |
|
| 1112 |
/* if user doesn't specify a unit_id,
|
| 1113 |
* try to find the first free
|
| 1114 |
*/
|
| 1115 |
|
| 1116 |
if (unit_id == -1) { |
| 1117 |
unit_id = 0;
|
| 1118 |
while (drive_get(type, bus_id, unit_id) != NULL) { |
| 1119 |
unit_id++; |
| 1120 |
if (max_devs && unit_id >= max_devs) {
|
| 1121 |
unit_id -= max_devs; |
| 1122 |
bus_id++; |
| 1123 |
} |
| 1124 |
} |
| 1125 |
} |
| 1126 |
|
| 1127 |
/* check unit id */
|
| 1128 |
|
| 1129 |
if (max_devs && unit_id >= max_devs) {
|
| 1130 |
fprintf(stderr, "qemu: unit %d too big (max is %d)\n",
|
| 1131 |
unit_id, max_devs - 1);
|
| 1132 |
return NULL; |
| 1133 |
} |
| 1134 |
|
| 1135 |
/*
|
| 1136 |
* ignore multiple definitions
|
| 1137 |
*/
|
| 1138 |
|
| 1139 |
if (drive_get(type, bus_id, unit_id) != NULL) { |
| 1140 |
*fatal_error = 0;
|
| 1141 |
return NULL; |
| 1142 |
} |
| 1143 |
|
| 1144 |
/* init */
|
| 1145 |
|
| 1146 |
dinfo = qemu_mallocz(sizeof(*dinfo));
|
| 1147 |
if ((buf = qemu_opts_id(opts)) != NULL) { |
| 1148 |
dinfo->id = qemu_strdup(buf); |
| 1149 |
} else {
|
| 1150 |
/* no id supplied -> create one */
|
| 1151 |
dinfo->id = qemu_mallocz(32);
|
| 1152 |
if (type == IF_IDE || type == IF_SCSI)
|
| 1153 |
mediastr = (media == MEDIA_CDROM) ? "-cd" : "-hd"; |
| 1154 |
if (max_devs)
|
| 1155 |
snprintf(dinfo->id, 32, "%s%i%s%i", |
| 1156 |
devname, bus_id, mediastr, unit_id); |
| 1157 |
else
|
| 1158 |
snprintf(dinfo->id, 32, "%s%s%i", |
| 1159 |
devname, mediastr, unit_id); |
| 1160 |
} |
| 1161 |
dinfo->bdrv = bdrv_new(dinfo->id); |
| 1162 |
dinfo->devaddr = devaddr; |
| 1163 |
dinfo->type = type; |
| 1164 |
dinfo->bus = bus_id; |
| 1165 |
dinfo->unit = unit_id; |
| 1166 |
dinfo->on_read_error = on_read_error; |
| 1167 |
dinfo->on_write_error = on_write_error; |
| 1168 |
dinfo->opts = opts; |
| 1169 |
if (serial)
|
| 1170 |
strncpy(dinfo->serial, serial, sizeof(serial));
|
| 1171 |
QTAILQ_INSERT_TAIL(&drives, dinfo, next); |
| 1172 |
|
| 1173 |
switch(type) {
|
| 1174 |
case IF_IDE:
|
| 1175 |
case IF_SCSI:
|
| 1176 |
case IF_XEN:
|
| 1177 |
case IF_NONE:
|
| 1178 |
switch(media) {
|
| 1179 |
case MEDIA_DISK:
|
| 1180 |
if (cyls != 0) { |
| 1181 |
bdrv_set_geometry_hint(dinfo->bdrv, cyls, heads, secs); |
| 1182 |
bdrv_set_translation_hint(dinfo->bdrv, translation); |
| 1183 |
} |
| 1184 |
break;
|
| 1185 |
case MEDIA_CDROM:
|
| 1186 |
bdrv_set_type_hint(dinfo->bdrv, BDRV_TYPE_CDROM); |
| 1187 |
break;
|
| 1188 |
} |
| 1189 |
break;
|
| 1190 |
case IF_SD:
|
| 1191 |
/* FIXME: This isn't really a floppy, but it's a reasonable
|
| 1192 |
approximation. */
|
| 1193 |
case IF_FLOPPY:
|
| 1194 |
bdrv_set_type_hint(dinfo->bdrv, BDRV_TYPE_FLOPPY); |
| 1195 |
break;
|
| 1196 |
case IF_PFLASH:
|
| 1197 |
case IF_MTD:
|
| 1198 |
break;
|
| 1199 |
case IF_VIRTIO:
|
| 1200 |
/* add virtio block device */
|
| 1201 |
opts = qemu_opts_create(&qemu_device_opts, NULL, 0); |
| 1202 |
qemu_opt_set(opts, "driver", "virtio-blk-pci"); |
| 1203 |
qemu_opt_set(opts, "drive", dinfo->id);
|
| 1204 |
if (devaddr)
|
| 1205 |
qemu_opt_set(opts, "addr", devaddr);
|
| 1206 |
break;
|
| 1207 |
case IF_COUNT:
|
| 1208 |
abort(); |
| 1209 |
} |
| 1210 |
if (!file) {
|
| 1211 |
*fatal_error = 0;
|
| 1212 |
return NULL; |
| 1213 |
} |
| 1214 |
bdrv_flags = 0;
|
| 1215 |
if (snapshot) {
|
| 1216 |
bdrv_flags |= BDRV_O_SNAPSHOT; |
| 1217 |
cache = 2; /* always use write-back with snapshot */ |
| 1218 |
} |
| 1219 |
if (cache == 0) /* no caching */ |
| 1220 |
bdrv_flags |= BDRV_O_NOCACHE; |
| 1221 |
else if (cache == 2) /* write-back */ |
| 1222 |
bdrv_flags |= BDRV_O_CACHE_WB; |
| 1223 |
|
| 1224 |
if (aio == 1) { |
| 1225 |
bdrv_flags |= BDRV_O_NATIVE_AIO; |
| 1226 |
} else {
|
| 1227 |
bdrv_flags &= ~BDRV_O_NATIVE_AIO; |
| 1228 |
} |
| 1229 |
|
| 1230 |
if (ro == 1) { |
| 1231 |
if (type != IF_SCSI && type != IF_VIRTIO && type != IF_FLOPPY) {
|
| 1232 |
fprintf(stderr, "qemu: readonly flag not supported for drive with this interface\n");
|
| 1233 |
return NULL; |
| 1234 |
} |
| 1235 |
} |
| 1236 |
/*
|
| 1237 |
* cdrom is read-only. Set it now, after above interface checking
|
| 1238 |
* since readonly attribute not explicitly required, so no error.
|
| 1239 |
*/
|
| 1240 |
if (media == MEDIA_CDROM) {
|
| 1241 |
ro = 1;
|
| 1242 |
} |
| 1243 |
bdrv_flags |= ro ? 0 : BDRV_O_RDWR;
|
| 1244 |
|
| 1245 |
if (bdrv_open2(dinfo->bdrv, file, bdrv_flags, drv) < 0) { |
| 1246 |
fprintf(stderr, "qemu: could not open disk image %s: %s\n",
|
| 1247 |
file, strerror(errno)); |
| 1248 |
return NULL; |
| 1249 |
} |
| 1250 |
|
| 1251 |
if (bdrv_key_required(dinfo->bdrv))
|
| 1252 |
autostart = 0;
|
| 1253 |
*fatal_error = 0;
|
| 1254 |
return dinfo;
|
| 1255 |
} |
| 1256 |
|
| 1257 |
static int drive_init_func(QemuOpts *opts, void *opaque) |
| 1258 |
{
|
| 1259 |
QEMUMachine *machine = opaque; |
| 1260 |
int fatal_error = 0; |
| 1261 |
|
| 1262 |
if (drive_init(opts, machine, &fatal_error) == NULL) { |
| 1263 |
if (fatal_error)
|
| 1264 |
return 1; |
| 1265 |
} |
| 1266 |
return 0; |
| 1267 |
} |
| 1268 |
|
| 1269 |
static int drive_enable_snapshot(QemuOpts *opts, void *opaque) |
| 1270 |
{
|
| 1271 |
if (NULL == qemu_opt_get(opts, "snapshot")) { |
| 1272 |
qemu_opt_set(opts, "snapshot", "on"); |
| 1273 |
} |
| 1274 |
return 0; |
| 1275 |
} |
| 1276 |
|
| 1277 |
void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque) |
| 1278 |
{
|
| 1279 |
boot_set_handler = func; |
| 1280 |
boot_set_opaque = opaque; |
| 1281 |
} |
| 1282 |
|
| 1283 |
int qemu_boot_set(const char *boot_devices) |
| 1284 |
{
|
| 1285 |
if (!boot_set_handler) {
|
| 1286 |
return -EINVAL;
|
| 1287 |
} |
| 1288 |
return boot_set_handler(boot_set_opaque, boot_devices);
|
| 1289 |
} |
| 1290 |
|
| 1291 |
static int parse_bootdevices(char *devices) |
| 1292 |
{
|
| 1293 |
/* We just do some generic consistency checks */
|
| 1294 |
const char *p; |
| 1295 |
int bitmap = 0; |
| 1296 |
|
| 1297 |
for (p = devices; *p != '\0'; p++) { |
| 1298 |
/* Allowed boot devices are:
|
| 1299 |
* a-b: floppy disk drives
|
| 1300 |
* c-f: IDE disk drives
|
| 1301 |
* g-m: machine implementation dependant drives
|
| 1302 |
* n-p: network devices
|
| 1303 |
* It's up to each machine implementation to check if the given boot
|
| 1304 |
* devices match the actual hardware implementation and firmware
|
| 1305 |
* features.
|
| 1306 |
*/
|
| 1307 |
if (*p < 'a' || *p > 'p') { |
| 1308 |
fprintf(stderr, "Invalid boot device '%c'\n", *p);
|
| 1309 |
exit(1);
|
| 1310 |
} |
| 1311 |
if (bitmap & (1 << (*p - 'a'))) { |
| 1312 |
fprintf(stderr, "Boot device '%c' was given twice\n", *p);
|
| 1313 |
exit(1);
|
| 1314 |
} |
| 1315 |
bitmap |= 1 << (*p - 'a'); |
| 1316 |
} |
| 1317 |
return bitmap;
|
| 1318 |
} |
| 1319 |
|
| 1320 |
static void restore_boot_devices(void *opaque) |
| 1321 |
{
|
| 1322 |
char *standard_boot_devices = opaque;
|
| 1323 |
|
| 1324 |
qemu_boot_set(standard_boot_devices); |
| 1325 |
|
| 1326 |
qemu_unregister_reset(restore_boot_devices, standard_boot_devices); |
| 1327 |
qemu_free(standard_boot_devices); |
| 1328 |
} |
| 1329 |
|
| 1330 |
static void numa_add(const char *optarg) |
| 1331 |
{
|
| 1332 |
char option[128]; |
| 1333 |
char *endptr;
|
| 1334 |
unsigned long long value, endvalue; |
| 1335 |
int nodenr;
|
| 1336 |
|
| 1337 |
optarg = get_opt_name(option, 128, optarg, ',') + 1; |
| 1338 |
if (!strcmp(option, "node")) { |
| 1339 |
if (get_param_value(option, 128, "nodeid", optarg) == 0) { |
| 1340 |
nodenr = nb_numa_nodes; |
| 1341 |
} else {
|
| 1342 |
nodenr = strtoull(option, NULL, 10); |
| 1343 |
} |
| 1344 |
|
| 1345 |
if (get_param_value(option, 128, "mem", optarg) == 0) { |
| 1346 |
node_mem[nodenr] = 0;
|
| 1347 |
} else {
|
| 1348 |
value = strtoull(option, &endptr, 0);
|
| 1349 |
switch (*endptr) {
|
| 1350 |
case 0: case 'M': case 'm': |
| 1351 |
value <<= 20;
|
| 1352 |
break;
|
| 1353 |
case 'G': case 'g': |
| 1354 |
value <<= 30;
|
| 1355 |
break;
|
| 1356 |
} |
| 1357 |
node_mem[nodenr] = value; |
| 1358 |
} |
| 1359 |
if (get_param_value(option, 128, "cpus", optarg) == 0) { |
| 1360 |
node_cpumask[nodenr] = 0;
|
| 1361 |
} else {
|
| 1362 |
value = strtoull(option, &endptr, 10);
|
| 1363 |
if (value >= 64) { |
| 1364 |
value = 63;
|
| 1365 |
fprintf(stderr, "only 64 CPUs in NUMA mode supported.\n");
|
| 1366 |
} else {
|
| 1367 |
if (*endptr == '-') { |
| 1368 |
endvalue = strtoull(endptr+1, &endptr, 10); |
| 1369 |
if (endvalue >= 63) { |
| 1370 |
endvalue = 62;
|
| 1371 |
fprintf(stderr, |
| 1372 |
"only 63 CPUs in NUMA mode supported.\n");
|
| 1373 |
} |
| 1374 |
value = (2ULL << endvalue) - (1ULL << value); |
| 1375 |
} else {
|
| 1376 |
value = 1ULL << value;
|
| 1377 |
} |
| 1378 |
} |
| 1379 |
node_cpumask[nodenr] = value; |
| 1380 |
} |
| 1381 |
nb_numa_nodes++; |
| 1382 |
} |
| 1383 |
return;
|
| 1384 |
} |
| 1385 |
|
| 1386 |
static void smp_parse(const char *optarg) |
| 1387 |
{
|
| 1388 |
int smp, sockets = 0, threads = 0, cores = 0; |
| 1389 |
char *endptr;
|
| 1390 |
char option[128]; |
| 1391 |
|
| 1392 |
smp = strtoul(optarg, &endptr, 10);
|
| 1393 |
if (endptr != optarg) {
|
| 1394 |
if (*endptr == ',') { |
| 1395 |
endptr++; |
| 1396 |
} |
| 1397 |
} |
| 1398 |
if (get_param_value(option, 128, "sockets", endptr) != 0) |
| 1399 |
sockets = strtoull(option, NULL, 10); |
| 1400 |
if (get_param_value(option, 128, "cores", endptr) != 0) |
| 1401 |
cores = strtoull(option, NULL, 10); |
| 1402 |
if (get_param_value(option, 128, "threads", endptr) != 0) |
| 1403 |
threads = strtoull(option, NULL, 10); |
| 1404 |
if (get_param_value(option, 128, "maxcpus", endptr) != 0) |
| 1405 |
max_cpus = strtoull(option, NULL, 10); |
| 1406 |
|
| 1407 |
/* compute missing values, prefer sockets over cores over threads */
|
| 1408 |
if (smp == 0 || sockets == 0) { |
| 1409 |
sockets = sockets > 0 ? sockets : 1; |
| 1410 |
cores = cores > 0 ? cores : 1; |
| 1411 |
threads = threads > 0 ? threads : 1; |
| 1412 |
if (smp == 0) { |
| 1413 |
smp = cores * threads * sockets; |
| 1414 |
} |
| 1415 |
} else {
|
| 1416 |
if (cores == 0) { |
| 1417 |
threads = threads > 0 ? threads : 1; |
| 1418 |
cores = smp / (sockets * threads); |
| 1419 |
} else {
|
| 1420 |
if (sockets) {
|
| 1421 |
threads = smp / (cores * sockets); |
| 1422 |
} |
| 1423 |
} |
| 1424 |
} |
| 1425 |
smp_cpus = smp; |
| 1426 |
smp_cores = cores > 0 ? cores : 1; |
| 1427 |
smp_threads = threads > 0 ? threads : 1; |
| 1428 |
if (max_cpus == 0) |
| 1429 |
max_cpus = smp_cpus; |
| 1430 |
} |
| 1431 |
|
| 1432 |
/***********************************************************/
|
| 1433 |
/* USB devices */
|
| 1434 |
|
| 1435 |
static int usb_device_add(const char *devname, int is_hotplug) |
| 1436 |
{
|
| 1437 |
const char *p; |
| 1438 |
USBDevice *dev = NULL;
|
| 1439 |
|
| 1440 |
if (!usb_enabled)
|
| 1441 |
return -1; |
| 1442 |
|
| 1443 |
/* drivers with .usbdevice_name entry in USBDeviceInfo */
|
| 1444 |
dev = usbdevice_create(devname); |
| 1445 |
if (dev)
|
| 1446 |
goto done;
|
| 1447 |
|
| 1448 |
/* the other ones */
|
| 1449 |
if (strstart(devname, "host:", &p)) { |
| 1450 |
dev = usb_host_device_open(p); |
| 1451 |
} else if (!strcmp(devname, "bt") || strstart(devname, "bt:", &p)) { |
| 1452 |
dev = usb_bt_init(devname[2] ? hci_init(p) :
|
| 1453 |
bt_new_hci(qemu_find_bt_vlan(0)));
|
| 1454 |
} else {
|
| 1455 |
return -1; |
| 1456 |
} |
| 1457 |
if (!dev)
|
| 1458 |
return -1; |
| 1459 |
|
| 1460 |
done:
|
| 1461 |
return 0; |
| 1462 |
} |
| 1463 |
|
| 1464 |
static int usb_device_del(const char *devname) |
| 1465 |
{
|
| 1466 |
int bus_num, addr;
|
| 1467 |
const char *p; |
| 1468 |
|
| 1469 |
if (strstart(devname, "host:", &p)) |
| 1470 |
return usb_host_device_close(p);
|
| 1471 |
|
| 1472 |
if (!usb_enabled)
|
| 1473 |
return -1; |
| 1474 |
|
| 1475 |
p = strchr(devname, '.');
|
| 1476 |
if (!p)
|
| 1477 |
return -1; |
| 1478 |
bus_num = strtoul(devname, NULL, 0); |
| 1479 |
addr = strtoul(p + 1, NULL, 0); |
| 1480 |
|
| 1481 |
return usb_device_delete_addr(bus_num, addr);
|
| 1482 |
} |
| 1483 |
|
| 1484 |
static int usb_parse(const char *cmdline) |
| 1485 |
{
|
| 1486 |
int r;
|
| 1487 |
r = usb_device_add(cmdline, 0);
|
| 1488 |
if (r < 0) { |
| 1489 |
fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
|
| 1490 |
} |
| 1491 |
return r;
|
| 1492 |
} |
| 1493 |
|
| 1494 |
void do_usb_add(Monitor *mon, const QDict *qdict) |
| 1495 |
{
|
| 1496 |
const char *devname = qdict_get_str(qdict, "devname"); |
| 1497 |
if (usb_device_add(devname, 1) < 0) { |
| 1498 |
error_report("could not add USB device '%s'", devname);
|
| 1499 |
} |
| 1500 |
} |
| 1501 |
|
| 1502 |
void do_usb_del(Monitor *mon, const QDict *qdict) |
| 1503 |
{
|
| 1504 |
const char *devname = qdict_get_str(qdict, "devname"); |
| 1505 |
if (usb_device_del(devname) < 0) { |
| 1506 |
error_report("could not delete USB device '%s'", devname);
|
| 1507 |
} |
| 1508 |
} |
| 1509 |
|
| 1510 |
/***********************************************************/
|
| 1511 |
/* PCMCIA/Cardbus */
|
| 1512 |
|
| 1513 |
static struct pcmcia_socket_entry_s { |
| 1514 |
PCMCIASocket *socket; |
| 1515 |
struct pcmcia_socket_entry_s *next;
|
| 1516 |
} *pcmcia_sockets = 0;
|
| 1517 |
|
| 1518 |
void pcmcia_socket_register(PCMCIASocket *socket)
|
| 1519 |
{
|
| 1520 |
struct pcmcia_socket_entry_s *entry;
|
| 1521 |
|
| 1522 |
entry = qemu_malloc(sizeof(struct pcmcia_socket_entry_s)); |
| 1523 |
entry->socket = socket; |
| 1524 |
entry->next = pcmcia_sockets; |
| 1525 |
pcmcia_sockets = entry; |
| 1526 |
} |
| 1527 |
|
| 1528 |
void pcmcia_socket_unregister(PCMCIASocket *socket)
|
| 1529 |
{
|
| 1530 |
struct pcmcia_socket_entry_s *entry, **ptr;
|
| 1531 |
|
| 1532 |
ptr = &pcmcia_sockets; |
| 1533 |
for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
|
| 1534 |
if (entry->socket == socket) {
|
| 1535 |
*ptr = entry->next; |
| 1536 |
qemu_free(entry); |
| 1537 |
} |
| 1538 |
} |
| 1539 |
|
| 1540 |
void pcmcia_info(Monitor *mon)
|
| 1541 |
{
|
| 1542 |
struct pcmcia_socket_entry_s *iter;
|
| 1543 |
|
| 1544 |
if (!pcmcia_sockets)
|
| 1545 |
monitor_printf(mon, "No PCMCIA sockets\n");
|
| 1546 |
|
| 1547 |
for (iter = pcmcia_sockets; iter; iter = iter->next)
|
| 1548 |
monitor_printf(mon, "%s: %s\n", iter->socket->slot_string,
|
| 1549 |
iter->socket->attached ? iter->socket->card_string : |
| 1550 |
"Empty");
|
| 1551 |
} |
| 1552 |
|
| 1553 |
/***********************************************************/
|
| 1554 |
/* I/O handling */
|
| 1555 |
|
| 1556 |
typedef struct IOHandlerRecord { |
| 1557 |
int fd;
|
| 1558 |
IOCanReadHandler *fd_read_poll; |
| 1559 |
IOHandler *fd_read; |
| 1560 |
IOHandler *fd_write; |
| 1561 |
int deleted;
|
| 1562 |
void *opaque;
|
| 1563 |
/* temporary data */
|
| 1564 |
struct pollfd *ufd;
|
| 1565 |
QLIST_ENTRY(IOHandlerRecord) next; |
| 1566 |
} IOHandlerRecord; |
| 1567 |
|
| 1568 |
static QLIST_HEAD(, IOHandlerRecord) io_handlers =
|
| 1569 |
QLIST_HEAD_INITIALIZER(io_handlers); |
| 1570 |
|
| 1571 |
|
| 1572 |
/* XXX: fd_read_poll should be suppressed, but an API change is
|
| 1573 |
necessary in the character devices to suppress fd_can_read(). */
|
| 1574 |
int qemu_set_fd_handler2(int fd, |
| 1575 |
IOCanReadHandler *fd_read_poll, |
| 1576 |
IOHandler *fd_read, |
| 1577 |
IOHandler *fd_write, |
| 1578 |
void *opaque)
|
| 1579 |
{
|
| 1580 |
IOHandlerRecord *ioh; |
| 1581 |
|
| 1582 |
if (!fd_read && !fd_write) {
|
| 1583 |
QLIST_FOREACH(ioh, &io_handlers, next) {
|
| 1584 |
if (ioh->fd == fd) {
|
| 1585 |
ioh->deleted = 1;
|
| 1586 |
break;
|
| 1587 |
} |
| 1588 |
} |
| 1589 |
} else {
|
| 1590 |
QLIST_FOREACH(ioh, &io_handlers, next) {
|
| 1591 |
if (ioh->fd == fd)
|
| 1592 |
goto found;
|
| 1593 |
} |
| 1594 |
ioh = qemu_mallocz(sizeof(IOHandlerRecord));
|
| 1595 |
QLIST_INSERT_HEAD(&io_handlers, ioh, next); |
| 1596 |
found:
|
| 1597 |
ioh->fd = fd; |
| 1598 |
ioh->fd_read_poll = fd_read_poll; |
| 1599 |
ioh->fd_read = fd_read; |
| 1600 |
ioh->fd_write = fd_write; |
| 1601 |
ioh->opaque = opaque; |
| 1602 |
ioh->deleted = 0;
|
| 1603 |
} |
| 1604 |
return 0; |
| 1605 |
} |
| 1606 |
|
| 1607 |
int qemu_set_fd_handler(int fd, |
| 1608 |
IOHandler *fd_read, |
| 1609 |
IOHandler *fd_write, |
| 1610 |
void *opaque)
|
| 1611 |
{
|
| 1612 |
return qemu_set_fd_handler2(fd, NULL, fd_read, fd_write, opaque); |
| 1613 |
} |
| 1614 |
|
| 1615 |
#ifdef _WIN32
|
| 1616 |
/***********************************************************/
|
| 1617 |
/* Polling handling */
|
| 1618 |
|
| 1619 |
typedef struct PollingEntry { |
| 1620 |
PollingFunc *func; |
| 1621 |
void *opaque;
|
| 1622 |
struct PollingEntry *next;
|
| 1623 |
} PollingEntry; |
| 1624 |
|
| 1625 |
static PollingEntry *first_polling_entry;
|
| 1626 |
|
| 1627 |
int qemu_add_polling_cb(PollingFunc *func, void *opaque) |
| 1628 |
{
|
| 1629 |
PollingEntry **ppe, *pe; |
| 1630 |
pe = qemu_mallocz(sizeof(PollingEntry));
|
| 1631 |
pe->func = func; |
| 1632 |
pe->opaque = opaque; |
| 1633 |
for(ppe = &first_polling_entry; *ppe != NULL; ppe = &(*ppe)->next); |
| 1634 |
*ppe = pe; |
| 1635 |
return 0; |
| 1636 |
} |
| 1637 |
|
| 1638 |
void qemu_del_polling_cb(PollingFunc *func, void *opaque) |
| 1639 |
{
|
| 1640 |
PollingEntry **ppe, *pe; |
| 1641 |
for(ppe = &first_polling_entry; *ppe != NULL; ppe = &(*ppe)->next) { |
| 1642 |
pe = *ppe; |
| 1643 |
if (pe->func == func && pe->opaque == opaque) {
|
| 1644 |
*ppe = pe->next; |
| 1645 |
qemu_free(pe); |
| 1646 |
break;
|
| 1647 |
} |
| 1648 |
} |
| 1649 |
} |
| 1650 |
|
| 1651 |
/***********************************************************/
|
| 1652 |
/* Wait objects support */
|
| 1653 |
typedef struct WaitObjects { |
| 1654 |
int num;
|
| 1655 |
HANDLE events[MAXIMUM_WAIT_OBJECTS + 1];
|
| 1656 |
WaitObjectFunc *func[MAXIMUM_WAIT_OBJECTS + 1];
|
| 1657 |
void *opaque[MAXIMUM_WAIT_OBJECTS + 1]; |
| 1658 |
} WaitObjects; |
| 1659 |
|
| 1660 |
static WaitObjects wait_objects = {0}; |
| 1661 |
|
| 1662 |
int qemu_add_wait_object(HANDLE handle, WaitObjectFunc *func, void *opaque) |
| 1663 |
{
|
| 1664 |
WaitObjects *w = &wait_objects; |
| 1665 |
|
| 1666 |
if (w->num >= MAXIMUM_WAIT_OBJECTS)
|
| 1667 |
return -1; |
| 1668 |
w->events[w->num] = handle; |
| 1669 |
w->func[w->num] = func; |
| 1670 |
w->opaque[w->num] = opaque; |
| 1671 |
w->num++; |
| 1672 |
return 0; |
| 1673 |
} |
| 1674 |
|
| 1675 |
void qemu_del_wait_object(HANDLE handle, WaitObjectFunc *func, void *opaque) |
| 1676 |
{
|
| 1677 |
int i, found;
|
| 1678 |
WaitObjects *w = &wait_objects; |
| 1679 |
|
| 1680 |
found = 0;
|
| 1681 |
for (i = 0; i < w->num; i++) { |
| 1682 |
if (w->events[i] == handle)
|
| 1683 |
found = 1;
|
| 1684 |
if (found) {
|
| 1685 |
w->events[i] = w->events[i + 1];
|
| 1686 |
w->func[i] = w->func[i + 1];
|
| 1687 |
w->opaque[i] = w->opaque[i + 1];
|
| 1688 |
} |
| 1689 |
} |
| 1690 |
if (found)
|
| 1691 |
w->num--; |
| 1692 |
} |
| 1693 |
#endif
|
| 1694 |
|
| 1695 |
/***********************************************************/
|
| 1696 |
/* ram save/restore */
|
| 1697 |
|
| 1698 |
#define RAM_SAVE_FLAG_FULL 0x01 /* Obsolete, not used anymore */ |
| 1699 |
#define RAM_SAVE_FLAG_COMPRESS 0x02 |
| 1700 |
#define RAM_SAVE_FLAG_MEM_SIZE 0x04 |
| 1701 |
#define RAM_SAVE_FLAG_PAGE 0x08 |
| 1702 |
#define RAM_SAVE_FLAG_EOS 0x10 |
| 1703 |
|
| 1704 |
static int is_dup_page(uint8_t *page, uint8_t ch) |
| 1705 |
{
|
| 1706 |
uint32_t val = ch << 24 | ch << 16 | ch << 8 | ch; |
| 1707 |
uint32_t *array = (uint32_t *)page; |
| 1708 |
int i;
|
| 1709 |
|
| 1710 |
for (i = 0; i < (TARGET_PAGE_SIZE / 4); i++) { |
| 1711 |
if (array[i] != val)
|
| 1712 |
return 0; |
| 1713 |
} |
| 1714 |
|
| 1715 |
return 1; |
| 1716 |
} |
| 1717 |
|
| 1718 |
static int ram_save_block(QEMUFile *f) |
| 1719 |
{
|
| 1720 |
static ram_addr_t current_addr = 0; |
| 1721 |
ram_addr_t saved_addr = current_addr; |
| 1722 |
ram_addr_t addr = 0;
|
| 1723 |
int found = 0; |
| 1724 |
|
| 1725 |
while (addr < last_ram_offset) {
|
| 1726 |
if (cpu_physical_memory_get_dirty(current_addr, MIGRATION_DIRTY_FLAG)) {
|
| 1727 |
uint8_t *p; |
| 1728 |
|
| 1729 |
cpu_physical_memory_reset_dirty(current_addr, |
| 1730 |
current_addr + TARGET_PAGE_SIZE, |
| 1731 |
MIGRATION_DIRTY_FLAG); |
| 1732 |
|
| 1733 |
p = qemu_get_ram_ptr(current_addr); |
| 1734 |
|
| 1735 |
if (is_dup_page(p, *p)) {
|
| 1736 |
qemu_put_be64(f, current_addr | RAM_SAVE_FLAG_COMPRESS); |
| 1737 |
qemu_put_byte(f, *p); |
| 1738 |
} else {
|
| 1739 |
qemu_put_be64(f, current_addr | RAM_SAVE_FLAG_PAGE); |
| 1740 |
qemu_put_buffer(f, p, TARGET_PAGE_SIZE); |
| 1741 |
} |
| 1742 |
|
| 1743 |
found = 1;
|
| 1744 |
break;
|
| 1745 |
} |
| 1746 |
addr += TARGET_PAGE_SIZE; |
| 1747 |
current_addr = (saved_addr + addr) % last_ram_offset; |
| 1748 |
} |
| 1749 |
|
| 1750 |
return found;
|
| 1751 |
} |
| 1752 |
|
| 1753 |
static uint64_t bytes_transferred;
|
| 1754 |
|
| 1755 |
static ram_addr_t ram_save_remaining(void) |
| 1756 |
{
|
| 1757 |
ram_addr_t addr; |
| 1758 |
ram_addr_t count = 0;
|
| 1759 |
|
| 1760 |
for (addr = 0; addr < last_ram_offset; addr += TARGET_PAGE_SIZE) { |
| 1761 |
if (cpu_physical_memory_get_dirty(addr, MIGRATION_DIRTY_FLAG))
|
| 1762 |
count++; |
| 1763 |
} |
| 1764 |
|
| 1765 |
return count;
|
| 1766 |
} |
| 1767 |
|
| 1768 |
uint64_t ram_bytes_remaining(void)
|
| 1769 |
{
|
| 1770 |
return ram_save_remaining() * TARGET_PAGE_SIZE;
|
| 1771 |
} |
| 1772 |
|
| 1773 |
uint64_t ram_bytes_transferred(void)
|
| 1774 |
{
|
| 1775 |
return bytes_transferred;
|
| 1776 |
} |
| 1777 |
|
| 1778 |
uint64_t ram_bytes_total(void)
|
| 1779 |
{
|
| 1780 |
return last_ram_offset;
|
| 1781 |
} |
| 1782 |
|
| 1783 |
static int ram_save_live(Monitor *mon, QEMUFile *f, int stage, void *opaque) |
| 1784 |
{
|
| 1785 |
ram_addr_t addr; |
| 1786 |
uint64_t bytes_transferred_last; |
| 1787 |
double bwidth = 0; |
| 1788 |
uint64_t expected_time = 0;
|
| 1789 |
|
| 1790 |
if (stage < 0) { |
| 1791 |
cpu_physical_memory_set_dirty_tracking(0);
|
| 1792 |
return 0; |
| 1793 |
} |
| 1794 |
|
| 1795 |
if (cpu_physical_sync_dirty_bitmap(0, TARGET_PHYS_ADDR_MAX) != 0) { |
| 1796 |
qemu_file_set_error(f); |
| 1797 |
return 0; |
| 1798 |
} |
| 1799 |
|
| 1800 |
if (stage == 1) { |
| 1801 |
bytes_transferred = 0;
|
| 1802 |
|
| 1803 |
/* Make sure all dirty bits are set */
|
| 1804 |
for (addr = 0; addr < last_ram_offset; addr += TARGET_PAGE_SIZE) { |
| 1805 |
if (!cpu_physical_memory_get_dirty(addr, MIGRATION_DIRTY_FLAG))
|
| 1806 |
cpu_physical_memory_set_dirty(addr); |
| 1807 |
} |
| 1808 |
|
| 1809 |
/* Enable dirty memory tracking */
|
| 1810 |
cpu_physical_memory_set_dirty_tracking(1);
|
| 1811 |
|
| 1812 |
qemu_put_be64(f, last_ram_offset | RAM_SAVE_FLAG_MEM_SIZE); |
| 1813 |
} |
| 1814 |
|
| 1815 |
bytes_transferred_last = bytes_transferred; |
| 1816 |
bwidth = qemu_get_clock_ns(rt_clock); |
| 1817 |
|
| 1818 |
while (!qemu_file_rate_limit(f)) {
|
| 1819 |
int ret;
|
| 1820 |
|
| 1821 |
ret = ram_save_block(f); |
| 1822 |
bytes_transferred += ret * TARGET_PAGE_SIZE; |
| 1823 |
if (ret == 0) /* no more blocks */ |
| 1824 |
break;
|
| 1825 |
} |
| 1826 |
|
| 1827 |
bwidth = qemu_get_clock_ns(rt_clock) - bwidth; |
| 1828 |
bwidth = (bytes_transferred - bytes_transferred_last) / bwidth; |
| 1829 |
|
| 1830 |
/* if we haven't transferred anything this round, force expected_time to a
|
| 1831 |
* a very high value, but without crashing */
|
| 1832 |
if (bwidth == 0) |
| 1833 |
bwidth = 0.000001; |
| 1834 |
|
| 1835 |
/* try transferring iterative blocks of memory */
|
| 1836 |
if (stage == 3) { |
| 1837 |
/* flush all remaining blocks regardless of rate limiting */
|
| 1838 |
while (ram_save_block(f) != 0) { |
| 1839 |
bytes_transferred += TARGET_PAGE_SIZE; |
| 1840 |
} |
| 1841 |
cpu_physical_memory_set_dirty_tracking(0);
|
| 1842 |
} |
| 1843 |
|
| 1844 |
qemu_put_be64(f, RAM_SAVE_FLAG_EOS); |
| 1845 |
|
| 1846 |
expected_time = ram_save_remaining() * TARGET_PAGE_SIZE / bwidth; |
| 1847 |
|
| 1848 |
return (stage == 2) && (expected_time <= migrate_max_downtime()); |
| 1849 |
} |
| 1850 |
|
| 1851 |
static int ram_load(QEMUFile *f, void *opaque, int version_id) |
| 1852 |
{
|
| 1853 |
ram_addr_t addr; |
| 1854 |
int flags;
|
| 1855 |
|
| 1856 |
if (version_id != 3) |
| 1857 |
return -EINVAL;
|
| 1858 |
|
| 1859 |
do {
|
| 1860 |
addr = qemu_get_be64(f); |
| 1861 |
|
| 1862 |
flags = addr & ~TARGET_PAGE_MASK; |
| 1863 |
addr &= TARGET_PAGE_MASK; |
| 1864 |
|
| 1865 |
if (flags & RAM_SAVE_FLAG_MEM_SIZE) {
|
| 1866 |
if (addr != last_ram_offset)
|
| 1867 |
return -EINVAL;
|
| 1868 |
} |
| 1869 |
|
| 1870 |
if (flags & RAM_SAVE_FLAG_COMPRESS) {
|
| 1871 |
uint8_t ch = qemu_get_byte(f); |
| 1872 |
memset(qemu_get_ram_ptr(addr), ch, TARGET_PAGE_SIZE); |
| 1873 |
#ifndef _WIN32
|
| 1874 |
if (ch == 0 && |
| 1875 |
(!kvm_enabled() || kvm_has_sync_mmu())) {
|
| 1876 |
madvise(qemu_get_ram_ptr(addr), TARGET_PAGE_SIZE, MADV_DONTNEED); |
| 1877 |
} |
| 1878 |
#endif
|
| 1879 |
} else if (flags & RAM_SAVE_FLAG_PAGE) { |
| 1880 |
qemu_get_buffer(f, qemu_get_ram_ptr(addr), TARGET_PAGE_SIZE); |
| 1881 |
} |
| 1882 |
if (qemu_file_has_error(f)) {
|
| 1883 |
return -EIO;
|
| 1884 |
} |
| 1885 |
} while (!(flags & RAM_SAVE_FLAG_EOS));
|
| 1886 |
|
| 1887 |
return 0; |
| 1888 |
} |
| 1889 |
|
| 1890 |
void qemu_service_io(void) |
| 1891 |
{
|
| 1892 |
qemu_notify_event(); |
| 1893 |
} |
| 1894 |
|
| 1895 |
/***********************************************************/
|
| 1896 |
/* machine registration */
|
| 1897 |
|
| 1898 |
static QEMUMachine *first_machine = NULL; |
| 1899 |
QEMUMachine *current_machine = NULL;
|
| 1900 |
|
| 1901 |
int qemu_register_machine(QEMUMachine *m)
|
| 1902 |
{
|
| 1903 |
QEMUMachine **pm; |
| 1904 |
pm = &first_machine; |
| 1905 |
while (*pm != NULL) |
| 1906 |
pm = &(*pm)->next; |
| 1907 |
m->next = NULL;
|
| 1908 |
*pm = m; |
| 1909 |
return 0; |
| 1910 |
} |
| 1911 |
|
| 1912 |
static QEMUMachine *find_machine(const char *name) |
| 1913 |
{
|
| 1914 |
QEMUMachine *m; |
| 1915 |
|
| 1916 |
for(m = first_machine; m != NULL; m = m->next) { |
| 1917 |
if (!strcmp(m->name, name))
|
| 1918 |
return m;
|
| 1919 |
if (m->alias && !strcmp(m->alias, name))
|
| 1920 |
return m;
|
| 1921 |
} |
| 1922 |
return NULL; |
| 1923 |
} |
| 1924 |
|
| 1925 |
static QEMUMachine *find_default_machine(void) |
| 1926 |
{
|
| 1927 |
QEMUMachine *m; |
| 1928 |
|
| 1929 |
for(m = first_machine; m != NULL; m = m->next) { |
| 1930 |
if (m->is_default) {
|
| 1931 |
return m;
|
| 1932 |
} |
| 1933 |
} |
| 1934 |
return NULL; |
| 1935 |
} |
| 1936 |
|
| 1937 |
/***********************************************************/
|
| 1938 |
/* main execution loop */
|
| 1939 |
|
| 1940 |
static void gui_update(void *opaque) |
| 1941 |
{
|
| 1942 |
uint64_t interval = GUI_REFRESH_INTERVAL; |
| 1943 |
DisplayState *ds = opaque; |
| 1944 |
DisplayChangeListener *dcl = ds->listeners; |
| 1945 |
|
| 1946 |
qemu_flush_coalesced_mmio_buffer(); |
| 1947 |
dpy_refresh(ds); |
| 1948 |
|
| 1949 |
while (dcl != NULL) { |
| 1950 |
if (dcl->gui_timer_interval &&
|
| 1951 |
dcl->gui_timer_interval < interval) |
| 1952 |
interval = dcl->gui_timer_interval; |
| 1953 |
dcl = dcl->next; |
| 1954 |
} |
| 1955 |
qemu_mod_timer(ds->gui_timer, interval + qemu_get_clock(rt_clock)); |
| 1956 |
} |
| 1957 |
|
| 1958 |
static void nographic_update(void *opaque) |
| 1959 |
{
|
| 1960 |
uint64_t interval = GUI_REFRESH_INTERVAL; |
| 1961 |
|
| 1962 |
qemu_flush_coalesced_mmio_buffer(); |
| 1963 |
qemu_mod_timer(nographic_timer, interval + qemu_get_clock(rt_clock)); |
| 1964 |
} |
| 1965 |
|
| 1966 |
void cpu_synchronize_all_states(void) |
| 1967 |
{
|
| 1968 |
CPUState *cpu; |
| 1969 |
|
| 1970 |
for (cpu = first_cpu; cpu; cpu = cpu->next_cpu) {
|
| 1971 |
cpu_synchronize_state(cpu); |
| 1972 |
} |
| 1973 |
} |
| 1974 |
|
| 1975 |
void cpu_synchronize_all_post_reset(void) |
| 1976 |
{
|
| 1977 |
CPUState *cpu; |
| 1978 |
|
| 1979 |
for (cpu = first_cpu; cpu; cpu = cpu->next_cpu) {
|
| 1980 |
cpu_synchronize_post_reset(cpu); |
| 1981 |
} |
| 1982 |
} |
| 1983 |
|
| 1984 |
void cpu_synchronize_all_post_init(void) |
| 1985 |
{
|
| 1986 |
CPUState *cpu; |
| 1987 |
|
| 1988 |
for (cpu = first_cpu; cpu; cpu = cpu->next_cpu) {
|
| 1989 |
cpu_synchronize_post_init(cpu); |
| 1990 |
} |
| 1991 |
} |
| 1992 |
|
| 1993 |
struct vm_change_state_entry {
|
| 1994 |
VMChangeStateHandler *cb; |
| 1995 |
void *opaque;
|
| 1996 |
QLIST_ENTRY (vm_change_state_entry) entries; |
| 1997 |
}; |
| 1998 |
|
| 1999 |
static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
|
| 2000 |
|
| 2001 |
VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb, |
| 2002 |
void *opaque)
|
| 2003 |
{
|
| 2004 |
VMChangeStateEntry *e; |
| 2005 |
|
| 2006 |
e = qemu_mallocz(sizeof (*e));
|
| 2007 |
|
| 2008 |
e->cb = cb; |
| 2009 |
e->opaque = opaque; |
| 2010 |
QLIST_INSERT_HEAD(&vm_change_state_head, e, entries); |
| 2011 |
return e;
|
| 2012 |
} |
| 2013 |
|
| 2014 |
void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
|
| 2015 |
{
|
| 2016 |
QLIST_REMOVE (e, entries); |
| 2017 |
qemu_free (e); |
| 2018 |
} |
| 2019 |
|
| 2020 |
static void vm_state_notify(int running, int reason) |
| 2021 |
{
|
| 2022 |
VMChangeStateEntry *e; |
| 2023 |
|
| 2024 |
for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
|
| 2025 |
e->cb(e->opaque, running, reason); |
| 2026 |
} |
| 2027 |
} |
| 2028 |
|
| 2029 |
static void resume_all_vcpus(void); |
| 2030 |
static void pause_all_vcpus(void); |
| 2031 |
|
| 2032 |
void vm_start(void) |
| 2033 |
{
|
| 2034 |
if (!vm_running) {
|
| 2035 |
cpu_enable_ticks(); |
| 2036 |
vm_running = 1;
|
| 2037 |
vm_state_notify(1, 0); |
| 2038 |
resume_all_vcpus(); |
| 2039 |
} |
| 2040 |
} |
| 2041 |
|
| 2042 |
/* reset/shutdown handler */
|
| 2043 |
|
| 2044 |
typedef struct QEMUResetEntry { |
| 2045 |
QTAILQ_ENTRY(QEMUResetEntry) entry; |
| 2046 |
QEMUResetHandler *func; |
| 2047 |
void *opaque;
|
| 2048 |
} QEMUResetEntry; |
| 2049 |
|
| 2050 |
static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
|
| 2051 |
QTAILQ_HEAD_INITIALIZER(reset_handlers); |
| 2052 |
static int reset_requested; |
| 2053 |
static int shutdown_requested; |
| 2054 |
static int powerdown_requested; |
| 2055 |
static int debug_requested; |
| 2056 |
static int vmstop_requested; |
| 2057 |
|
| 2058 |
int qemu_shutdown_requested(void) |
| 2059 |
{
|
| 2060 |
int r = shutdown_requested;
|
| 2061 |
shutdown_requested = 0;
|
| 2062 |
return r;
|
| 2063 |
} |
| 2064 |
|
| 2065 |
int qemu_reset_requested(void) |
| 2066 |
{
|
| 2067 |
int r = reset_requested;
|
| 2068 |
reset_requested = 0;
|
| 2069 |
return r;
|
| 2070 |
} |
| 2071 |
|
| 2072 |
int qemu_powerdown_requested(void) |
| 2073 |
{
|
| 2074 |
int r = powerdown_requested;
|
| 2075 |
powerdown_requested = 0;
|
| 2076 |
return r;
|
| 2077 |
} |
| 2078 |
|
| 2079 |
static int qemu_debug_requested(void) |
| 2080 |
{
|
| 2081 |
int r = debug_requested;
|
| 2082 |
debug_requested = 0;
|
| 2083 |
return r;
|
| 2084 |
} |
| 2085 |
|
| 2086 |
static int qemu_vmstop_requested(void) |
| 2087 |
{
|
| 2088 |
int r = vmstop_requested;
|
| 2089 |
vmstop_requested = 0;
|
| 2090 |
return r;
|
| 2091 |
} |
| 2092 |
|
| 2093 |
static void do_vm_stop(int reason) |
| 2094 |
{
|
| 2095 |
if (vm_running) {
|
| 2096 |
cpu_disable_ticks(); |
| 2097 |
vm_running = 0;
|
| 2098 |
pause_all_vcpus(); |
| 2099 |
vm_state_notify(0, reason);
|
| 2100 |
monitor_protocol_event(QEVENT_STOP, NULL);
|
| 2101 |
} |
| 2102 |
} |
| 2103 |
|
| 2104 |
void qemu_register_reset(QEMUResetHandler *func, void *opaque) |
| 2105 |
{
|
| 2106 |
QEMUResetEntry *re = qemu_mallocz(sizeof(QEMUResetEntry));
|
| 2107 |
|
| 2108 |
re->func = func; |
| 2109 |
re->opaque = opaque; |
| 2110 |
QTAILQ_INSERT_TAIL(&reset_handlers, re, entry); |
| 2111 |
} |
| 2112 |
|
| 2113 |
void qemu_unregister_reset(QEMUResetHandler *func, void *opaque) |
| 2114 |
{
|
| 2115 |
QEMUResetEntry *re; |
| 2116 |
|
| 2117 |
QTAILQ_FOREACH(re, &reset_handlers, entry) {
|
| 2118 |
if (re->func == func && re->opaque == opaque) {
|
| 2119 |
QTAILQ_REMOVE(&reset_handlers, re, entry); |
| 2120 |
qemu_free(re); |
| 2121 |
return;
|
| 2122 |
} |
| 2123 |
} |
| 2124 |
} |
| 2125 |
|
| 2126 |
void qemu_system_reset(void) |
| 2127 |
{
|
| 2128 |
QEMUResetEntry *re, *nre; |
| 2129 |
|
| 2130 |
/* reset all devices */
|
| 2131 |
QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
|
| 2132 |
re->func(re->opaque); |
| 2133 |
} |
| 2134 |
monitor_protocol_event(QEVENT_RESET, NULL);
|
| 2135 |
cpu_synchronize_all_post_reset(); |
| 2136 |
} |
| 2137 |
|
| 2138 |
void qemu_system_reset_request(void) |
| 2139 |
{
|
| 2140 |
if (no_reboot) {
|
| 2141 |
shutdown_requested = 1;
|
| 2142 |
} else {
|
| 2143 |
reset_requested = 1;
|
| 2144 |
} |
| 2145 |
qemu_notify_event(); |
| 2146 |
} |
| 2147 |
|
| 2148 |
void qemu_system_shutdown_request(void) |
| 2149 |
{
|
| 2150 |
shutdown_requested = 1;
|
| 2151 |
qemu_notify_event(); |
| 2152 |
} |
| 2153 |
|
| 2154 |
void qemu_system_powerdown_request(void) |
| 2155 |
{
|
| 2156 |
powerdown_requested = 1;
|
| 2157 |
qemu_notify_event(); |
| 2158 |
} |
| 2159 |
|
| 2160 |
static int cpu_can_run(CPUState *env) |
| 2161 |
{
|
| 2162 |
if (env->stop)
|
| 2163 |
return 0; |
| 2164 |
if (env->stopped)
|
| 2165 |
return 0; |
| 2166 |
if (!vm_running)
|
| 2167 |
return 0; |
| 2168 |
return 1; |
| 2169 |
} |
| 2170 |
|
| 2171 |
static int cpu_has_work(CPUState *env) |
| 2172 |
{
|
| 2173 |
if (env->stop)
|
| 2174 |
return 1; |
| 2175 |
if (env->stopped)
|
| 2176 |
return 0; |
| 2177 |
if (!env->halted)
|
| 2178 |
return 1; |
| 2179 |
if (qemu_cpu_has_work(env))
|
| 2180 |
return 1; |
| 2181 |
return 0; |
| 2182 |
} |
| 2183 |
|
| 2184 |
static int tcg_has_work(void) |
| 2185 |
{
|
| 2186 |
CPUState *env; |
| 2187 |
|
| 2188 |
for (env = first_cpu; env != NULL; env = env->next_cpu) |
| 2189 |
if (cpu_has_work(env))
|
| 2190 |
return 1; |
| 2191 |
return 0; |
| 2192 |
} |
| 2193 |
|
| 2194 |
#ifndef _WIN32
|
| 2195 |
static int io_thread_fd = -1; |
| 2196 |
|
| 2197 |
static void qemu_event_increment(void) |
| 2198 |
{
|
| 2199 |
/* Write 8 bytes to be compatible with eventfd. */
|
| 2200 |
static uint64_t val = 1; |
| 2201 |
ssize_t ret; |
| 2202 |
|
| 2203 |
if (io_thread_fd == -1) |
| 2204 |
return;
|
| 2205 |
|
| 2206 |
do {
|
| 2207 |
ret = write(io_thread_fd, &val, sizeof(val));
|
| 2208 |
} while (ret < 0 && errno == EINTR); |
| 2209 |
|
| 2210 |
/* EAGAIN is fine, a read must be pending. */
|
| 2211 |
if (ret < 0 && errno != EAGAIN) { |
| 2212 |
fprintf(stderr, "qemu_event_increment: write() filed: %s\n",
|
| 2213 |
strerror(errno)); |
| 2214 |
exit (1);
|
| 2215 |
} |
| 2216 |
} |
| 2217 |
|
| 2218 |
static void qemu_event_read(void *opaque) |
| 2219 |
{
|
| 2220 |
int fd = (unsigned long)opaque; |
| 2221 |
ssize_t len; |
| 2222 |
char buffer[512]; |
| 2223 |
|
| 2224 |
/* Drain the notify pipe. For eventfd, only 8 bytes will be read. */
|
| 2225 |
do {
|
| 2226 |
len = read(fd, buffer, sizeof(buffer));
|
| 2227 |
} while ((len == -1 && errno == EINTR) || len == sizeof(buffer)); |
| 2228 |
} |
| 2229 |
|
| 2230 |
static int qemu_event_init(void) |
| 2231 |
{
|
| 2232 |
int err;
|
| 2233 |
int fds[2]; |
| 2234 |
|
| 2235 |
err = qemu_eventfd(fds); |
| 2236 |
if (err == -1) |
| 2237 |
return -errno;
|
| 2238 |
|
| 2239 |
err = fcntl_setfl(fds[0], O_NONBLOCK);
|
| 2240 |
if (err < 0) |
| 2241 |
goto fail;
|
| 2242 |
|
| 2243 |
err = fcntl_setfl(fds[1], O_NONBLOCK);
|
| 2244 |
if (err < 0) |
| 2245 |
goto fail;
|
| 2246 |
|
| 2247 |
qemu_set_fd_handler2(fds[0], NULL, qemu_event_read, NULL, |
| 2248 |
(void *)(unsigned long)fds[0]); |
| 2249 |
|
| 2250 |
io_thread_fd = fds[1];
|
| 2251 |
return 0; |
| 2252 |
|
| 2253 |
fail:
|
| 2254 |
close(fds[0]);
|
| 2255 |
close(fds[1]);
|
| 2256 |
return err;
|
| 2257 |
} |
| 2258 |
#else
|
| 2259 |
HANDLE qemu_event_handle; |
| 2260 |
|
| 2261 |
static void dummy_event_handler(void *opaque) |
| 2262 |
{
|
| 2263 |
} |
| 2264 |
|
| 2265 |
static int qemu_event_init(void) |
| 2266 |
{
|
| 2267 |
qemu_event_handle = CreateEvent(NULL, FALSE, FALSE, NULL); |
| 2268 |
if (!qemu_event_handle) {
|
| 2269 |
fprintf(stderr, "Failed CreateEvent: %ld\n", GetLastError());
|
| 2270 |
return -1; |
| 2271 |
} |
| 2272 |
qemu_add_wait_object(qemu_event_handle, dummy_event_handler, NULL);
|
| 2273 |
return 0; |
| 2274 |
} |
| 2275 |
|
| 2276 |
static void qemu_event_increment(void) |
| 2277 |
{
|
| 2278 |
if (!SetEvent(qemu_event_handle)) {
|
| 2279 |
fprintf(stderr, "qemu_event_increment: SetEvent failed: %ld\n",
|
| 2280 |
GetLastError()); |
| 2281 |
exit (1);
|
| 2282 |
} |
| 2283 |
} |
| 2284 |
#endif
|
| 2285 |
|
| 2286 |
#ifndef CONFIG_IOTHREAD
|
| 2287 |
static int qemu_init_main_loop(void) |
| 2288 |
{
|
| 2289 |
return qemu_event_init();
|
| 2290 |
} |
| 2291 |
|
| 2292 |
void qemu_init_vcpu(void *_env) |
| 2293 |
{
|
| 2294 |
CPUState *env = _env; |
| 2295 |
|
| 2296 |
env->nr_cores = smp_cores; |
| 2297 |
env->nr_threads = smp_threads; |
| 2298 |
if (kvm_enabled())
|
| 2299 |
kvm_init_vcpu(env); |
| 2300 |
return;
|
| 2301 |
} |
| 2302 |
|
| 2303 |
int qemu_cpu_self(void *env) |
| 2304 |
{
|
| 2305 |
return 1; |
| 2306 |
} |
| 2307 |
|
| 2308 |
static void resume_all_vcpus(void) |
| 2309 |
{
|
| 2310 |
} |
| 2311 |
|
| 2312 |
static void pause_all_vcpus(void) |
| 2313 |
{
|
| 2314 |
} |
| 2315 |
|
| 2316 |
void qemu_cpu_kick(void *env) |
| 2317 |
{
|
| 2318 |
return;
|
| 2319 |
} |
| 2320 |
|
| 2321 |
void qemu_notify_event(void) |
| 2322 |
{
|
| 2323 |
CPUState *env = cpu_single_env; |
| 2324 |
|
| 2325 |
qemu_event_increment (); |
| 2326 |
if (env) {
|
| 2327 |
cpu_exit(env); |
| 2328 |
} |
| 2329 |
if (next_cpu && env != next_cpu) {
|
| 2330 |
cpu_exit(next_cpu); |
| 2331 |
} |
| 2332 |
} |
| 2333 |
|
| 2334 |
void qemu_mutex_lock_iothread(void) {} |
| 2335 |
void qemu_mutex_unlock_iothread(void) {} |
| 2336 |
|
| 2337 |
void vm_stop(int reason) |
| 2338 |
{
|
| 2339 |
do_vm_stop(reason); |
| 2340 |
} |
| 2341 |
|
| 2342 |
#else /* CONFIG_IOTHREAD */ |
| 2343 |
|
| 2344 |
#include "qemu-thread.h" |
| 2345 |
|
| 2346 |
QemuMutex qemu_global_mutex; |
| 2347 |
static QemuMutex qemu_fair_mutex;
|
| 2348 |
|
| 2349 |
static QemuThread io_thread;
|
| 2350 |
|
| 2351 |
static QemuThread *tcg_cpu_thread;
|
| 2352 |
static QemuCond *tcg_halt_cond;
|
| 2353 |
|
| 2354 |
static int qemu_system_ready; |
| 2355 |
/* cpu creation */
|
| 2356 |
static QemuCond qemu_cpu_cond;
|
| 2357 |
/* system init */
|
| 2358 |
static QemuCond qemu_system_cond;
|
| 2359 |
static QemuCond qemu_pause_cond;
|
| 2360 |
|
| 2361 |
static void tcg_block_io_signals(void); |
| 2362 |
static void kvm_block_io_signals(CPUState *env); |
| 2363 |
static void unblock_io_signals(void); |
| 2364 |
|
| 2365 |
static int qemu_init_main_loop(void) |
| 2366 |
{
|
| 2367 |
int ret;
|
| 2368 |
|
| 2369 |
ret = qemu_event_init(); |
| 2370 |
if (ret)
|
| 2371 |
return ret;
|
| 2372 |
|
| 2373 |
qemu_cond_init(&qemu_pause_cond); |
| 2374 |
qemu_mutex_init(&qemu_fair_mutex); |
| 2375 |
qemu_mutex_init(&qemu_global_mutex); |
| 2376 |
qemu_mutex_lock(&qemu_global_mutex); |
| 2377 |
|
| 2378 |
unblock_io_signals(); |
| 2379 |
qemu_thread_self(&io_thread); |
| 2380 |
|
| 2381 |
return 0; |
| 2382 |
} |
| 2383 |
|
| 2384 |
static void qemu_wait_io_event_common(CPUState *env) |
| 2385 |
{
|
| 2386 |
if (env->stop) {
|
| 2387 |
env->stop = 0;
|
| 2388 |
env->stopped = 1;
|
| 2389 |
qemu_cond_signal(&qemu_pause_cond); |
| 2390 |
} |
| 2391 |
} |
| 2392 |
|
| 2393 |
static void qemu_wait_io_event(CPUState *env) |
| 2394 |
{
|
| 2395 |
while (!tcg_has_work())
|
| 2396 |
qemu_cond_timedwait(env->halt_cond, &qemu_global_mutex, 1000);
|
| 2397 |
|
| 2398 |
qemu_mutex_unlock(&qemu_global_mutex); |
| 2399 |
|
| 2400 |
/*
|
| 2401 |
* Users of qemu_global_mutex can be starved, having no chance
|
| 2402 |
* to acquire it since this path will get to it first.
|
| 2403 |
* So use another lock to provide fairness.
|
| 2404 |
*/
|
| 2405 |
qemu_mutex_lock(&qemu_fair_mutex); |
| 2406 |
qemu_mutex_unlock(&qemu_fair_mutex); |
| 2407 |
|
| 2408 |
qemu_mutex_lock(&qemu_global_mutex); |
| 2409 |
qemu_wait_io_event_common(env); |
| 2410 |
} |
| 2411 |
|
| 2412 |
static void qemu_kvm_eat_signal(CPUState *env, int timeout) |
| 2413 |
{
|
| 2414 |
struct timespec ts;
|
| 2415 |
int r, e;
|
| 2416 |
siginfo_t siginfo; |
| 2417 |
sigset_t waitset; |
| 2418 |
|
| 2419 |
ts.tv_sec = timeout / 1000;
|
| 2420 |
ts.tv_nsec = (timeout % 1000) * 1000000; |
| 2421 |
|
| 2422 |
sigemptyset(&waitset); |
| 2423 |
sigaddset(&waitset, SIG_IPI); |
| 2424 |
|
| 2425 |
qemu_mutex_unlock(&qemu_global_mutex); |
| 2426 |
r = sigtimedwait(&waitset, &siginfo, &ts); |
| 2427 |
e = errno; |
| 2428 |
qemu_mutex_lock(&qemu_global_mutex); |
| 2429 |
|
| 2430 |
if (r == -1 && !(e == EAGAIN || e == EINTR)) { |
| 2431 |
fprintf(stderr, "sigtimedwait: %s\n", strerror(e));
|
| 2432 |
exit(1);
|
| 2433 |
} |
| 2434 |
} |
| 2435 |
|
| 2436 |
static void qemu_kvm_wait_io_event(CPUState *env) |
| 2437 |
{
|
| 2438 |
while (!cpu_has_work(env))
|
| 2439 |
qemu_cond_timedwait(env->halt_cond, &qemu_global_mutex, 1000);
|
| 2440 |
|
| 2441 |
qemu_kvm_eat_signal(env, 0);
|
| 2442 |
qemu_wait_io_event_common(env); |
| 2443 |
} |
| 2444 |
|
| 2445 |
static int qemu_cpu_exec(CPUState *env); |
| 2446 |
|
| 2447 |
static void *kvm_cpu_thread_fn(void *arg) |
| 2448 |
{
|
| 2449 |
CPUState *env = arg; |
| 2450 |
|
| 2451 |
qemu_thread_self(env->thread); |
| 2452 |
if (kvm_enabled())
|
| 2453 |
kvm_init_vcpu(env); |
| 2454 |
|
| 2455 |
kvm_block_io_signals(env); |
| 2456 |
|
| 2457 |
/* signal CPU creation */
|
| 2458 |
qemu_mutex_lock(&qemu_global_mutex); |
| 2459 |
env->created = 1;
|
| 2460 |
qemu_cond_signal(&qemu_cpu_cond); |
| 2461 |
|
| 2462 |
/* and wait for machine initialization */
|
| 2463 |
while (!qemu_system_ready)
|
| 2464 |
qemu_cond_timedwait(&qemu_system_cond, &qemu_global_mutex, 100);
|
| 2465 |
|
| 2466 |
while (1) { |
| 2467 |
if (cpu_can_run(env))
|
| 2468 |
qemu_cpu_exec(env); |
| 2469 |
qemu_kvm_wait_io_event(env); |
| 2470 |
} |
| 2471 |
|
| 2472 |
return NULL; |
| 2473 |
} |
| 2474 |
|
| 2475 |
static bool tcg_cpu_exec(void); |
| 2476 |
|
| 2477 |
static void *tcg_cpu_thread_fn(void *arg) |
| 2478 |
{
|
| 2479 |
CPUState *env = arg; |
| 2480 |
|
| 2481 |
tcg_block_io_signals(); |
| 2482 |
qemu_thread_self(env->thread); |
| 2483 |
|
| 2484 |
/* signal CPU creation */
|
| 2485 |
qemu_mutex_lock(&qemu_global_mutex); |
| 2486 |
for (env = first_cpu; env != NULL; env = env->next_cpu) |
| 2487 |
env->created = 1;
|
| 2488 |
qemu_cond_signal(&qemu_cpu_cond); |
| 2489 |
|
| 2490 |
/* and wait for machine initialization */
|
| 2491 |
while (!qemu_system_ready)
|
| 2492 |
qemu_cond_timedwait(&qemu_system_cond, &qemu_global_mutex, 100);
|
| 2493 |
|
| 2494 |
while (1) { |
| 2495 |
tcg_cpu_exec(); |
| 2496 |
qemu_wait_io_event(cur_cpu); |
| 2497 |
} |
| 2498 |
|
| 2499 |
return NULL; |
| 2500 |
} |
| 2501 |
|
| 2502 |
void qemu_cpu_kick(void *_env) |
| 2503 |
{
|
| 2504 |
CPUState *env = _env; |
| 2505 |
qemu_cond_broadcast(env->halt_cond); |
| 2506 |
if (kvm_enabled())
|
| 2507 |
qemu_thread_signal(env->thread, SIG_IPI); |
| 2508 |
} |
| 2509 |
|
| 2510 |
int qemu_cpu_self(void *_env) |
| 2511 |
{
|
| 2512 |
CPUState *env = _env; |
| 2513 |
QemuThread this; |
| 2514 |
|
| 2515 |
qemu_thread_self(&this); |
| 2516 |
|
| 2517 |
return qemu_thread_equal(&this, env->thread);
|
| 2518 |
} |
| 2519 |
|
| 2520 |
static void cpu_signal(int sig) |
| 2521 |
{
|
| 2522 |
if (cpu_single_env)
|
| 2523 |
cpu_exit(cpu_single_env); |
| 2524 |
} |
| 2525 |
|
| 2526 |
static void tcg_block_io_signals(void) |
| 2527 |
{
|
| 2528 |
sigset_t set; |
| 2529 |
struct sigaction sigact;
|
| 2530 |
|
| 2531 |
sigemptyset(&set); |
| 2532 |
sigaddset(&set, SIGUSR2); |
| 2533 |
sigaddset(&set, SIGIO); |
| 2534 |
sigaddset(&set, SIGALRM); |
| 2535 |
sigaddset(&set, SIGCHLD); |
| 2536 |
pthread_sigmask(SIG_BLOCK, &set, NULL);
|
| 2537 |
|
| 2538 |
sigemptyset(&set); |
| 2539 |
sigaddset(&set, SIG_IPI); |
| 2540 |
pthread_sigmask(SIG_UNBLOCK, &set, NULL);
|
| 2541 |
|
| 2542 |
memset(&sigact, 0, sizeof(sigact)); |
| 2543 |
sigact.sa_handler = cpu_signal; |
| 2544 |
sigaction(SIG_IPI, &sigact, NULL);
|
| 2545 |
} |
| 2546 |
|
| 2547 |
static void dummy_signal(int sig) |
| 2548 |
{
|
| 2549 |
} |
| 2550 |
|
| 2551 |
static void kvm_block_io_signals(CPUState *env) |
| 2552 |
{
|
| 2553 |
int r;
|
| 2554 |
sigset_t set; |
| 2555 |
struct sigaction sigact;
|
| 2556 |
|
| 2557 |
sigemptyset(&set); |
| 2558 |
sigaddset(&set, SIGUSR2); |
| 2559 |
sigaddset(&set, SIGIO); |
| 2560 |
sigaddset(&set, SIGALRM); |
| 2561 |
sigaddset(&set, SIGCHLD); |
| 2562 |
sigaddset(&set, SIG_IPI); |
| 2563 |
pthread_sigmask(SIG_BLOCK, &set, NULL);
|
| 2564 |
|
| 2565 |
pthread_sigmask(SIG_BLOCK, NULL, &set);
|
| 2566 |
sigdelset(&set, SIG_IPI); |
| 2567 |
|
| 2568 |
memset(&sigact, 0, sizeof(sigact)); |
| 2569 |
sigact.sa_handler = dummy_signal; |
| 2570 |
sigaction(SIG_IPI, &sigact, NULL);
|
| 2571 |
|
| 2572 |
r = kvm_set_signal_mask(env, &set); |
| 2573 |
if (r) {
|
| 2574 |
fprintf(stderr, "kvm_set_signal_mask: %s\n", strerror(r));
|
| 2575 |
exit(1);
|
| 2576 |
} |
| 2577 |
} |
| 2578 |
|
| 2579 |
static void unblock_io_signals(void) |
| 2580 |
{
|
| 2581 |
sigset_t set; |
| 2582 |
|
| 2583 |
sigemptyset(&set); |
| 2584 |
sigaddset(&set, SIGUSR2); |
| 2585 |
sigaddset(&set, SIGIO); |
| 2586 |
sigaddset(&set, SIGALRM); |
| 2587 |
pthread_sigmask(SIG_UNBLOCK, &set, NULL);
|
| 2588 |
|
| 2589 |
sigemptyset(&set); |
| 2590 |
sigaddset(&set, SIG_IPI); |
| 2591 |
pthread_sigmask(SIG_BLOCK, &set, NULL);
|
| 2592 |
} |
| 2593 |
|
| 2594 |
static void qemu_signal_lock(unsigned int msecs) |
| 2595 |
{
|
| 2596 |
qemu_mutex_lock(&qemu_fair_mutex); |
| 2597 |
|
| 2598 |
while (qemu_mutex_trylock(&qemu_global_mutex)) {
|
| 2599 |
qemu_thread_signal(tcg_cpu_thread, SIG_IPI); |
| 2600 |
if (!qemu_mutex_timedlock(&qemu_global_mutex, msecs))
|
| 2601 |
break;
|
| 2602 |
} |
| 2603 |
qemu_mutex_unlock(&qemu_fair_mutex); |
| 2604 |
} |
| 2605 |
|
| 2606 |
void qemu_mutex_lock_iothread(void) |
| 2607 |
{
|
| 2608 |
if (kvm_enabled()) {
|
| 2609 |
qemu_mutex_lock(&qemu_fair_mutex); |
| 2610 |
qemu_mutex_lock(&qemu_global_mutex); |
| 2611 |
qemu_mutex_unlock(&qemu_fair_mutex); |
| 2612 |
} else
|
| 2613 |
qemu_signal_lock(100);
|
| 2614 |
} |
| 2615 |
|
| 2616 |
void qemu_mutex_unlock_iothread(void) |
| 2617 |
{
|
| 2618 |
qemu_mutex_unlock(&qemu_global_mutex); |
| 2619 |
} |
| 2620 |
|
| 2621 |
static int all_vcpus_paused(void) |
| 2622 |
{
|
| 2623 |
CPUState *penv = first_cpu; |
| 2624 |
|
| 2625 |
while (penv) {
|
| 2626 |
if (!penv->stopped)
|
| 2627 |
return 0; |
| 2628 |
penv = (CPUState *)penv->next_cpu; |
| 2629 |
} |
| 2630 |
|
| 2631 |
return 1; |
| 2632 |
} |
| 2633 |
|
| 2634 |
static void pause_all_vcpus(void) |
| 2635 |
{
|
| 2636 |
CPUState *penv = first_cpu; |
| 2637 |
|
| 2638 |
while (penv) {
|
| 2639 |
penv->stop = 1;
|
| 2640 |
qemu_thread_signal(penv->thread, SIG_IPI); |
| 2641 |
qemu_cpu_kick(penv); |
| 2642 |
penv = (CPUState *)penv->next_cpu; |
| 2643 |
} |
| 2644 |
|
| 2645 |
while (!all_vcpus_paused()) {
|
| 2646 |
qemu_cond_timedwait(&qemu_pause_cond, &qemu_global_mutex, 100);
|
| 2647 |
penv = first_cpu; |
| 2648 |
while (penv) {
|
| 2649 |
qemu_thread_signal(penv->thread, SIG_IPI); |
| 2650 |
penv = (CPUState *)penv->next_cpu; |
| 2651 |
} |
| 2652 |
} |
| 2653 |
} |
| 2654 |
|
| 2655 |
static void resume_all_vcpus(void) |
| 2656 |
{
|
| 2657 |
CPUState *penv = first_cpu; |
| 2658 |
|
| 2659 |
while (penv) {
|
| 2660 |
penv->stop = 0;
|
| 2661 |
penv->stopped = 0;
|
| 2662 |
qemu_thread_signal(penv->thread, SIG_IPI); |
| 2663 |
qemu_cpu_kick(penv); |
| 2664 |
penv = (CPUState *)penv->next_cpu; |
| 2665 |
} |
| 2666 |
} |
| 2667 |
|
| 2668 |
static void tcg_init_vcpu(void *_env) |
| 2669 |
{
|
| 2670 |
CPUState *env = _env; |
| 2671 |
/* share a single thread for all cpus with TCG */
|
| 2672 |
if (!tcg_cpu_thread) {
|
| 2673 |
env->thread = qemu_mallocz(sizeof(QemuThread));
|
| 2674 |
env->halt_cond = qemu_mallocz(sizeof(QemuCond));
|
| 2675 |
qemu_cond_init(env->halt_cond); |
| 2676 |
qemu_thread_create(env->thread, tcg_cpu_thread_fn, env); |
| 2677 |
while (env->created == 0) |
| 2678 |
qemu_cond_timedwait(&qemu_cpu_cond, &qemu_global_mutex, 100);
|
| 2679 |
tcg_cpu_thread = env->thread; |
| 2680 |
tcg_halt_cond = env->halt_cond; |
| 2681 |
} else {
|
| 2682 |
env->thread = tcg_cpu_thread; |
| 2683 |
env->halt_cond = tcg_halt_cond; |
| 2684 |
} |
| 2685 |
} |
| 2686 |
|
| 2687 |
static void kvm_start_vcpu(CPUState *env) |
| 2688 |
{
|
| 2689 |
env->thread = qemu_mallocz(sizeof(QemuThread));
|
| 2690 |
env->halt_cond = qemu_mallocz(sizeof(QemuCond));
|
| 2691 |
qemu_cond_init(env->halt_cond); |
| 2692 |
qemu_thread_create(env->thread, kvm_cpu_thread_fn, env); |
| 2693 |
while (env->created == 0) |
| 2694 |
qemu_cond_timedwait(&qemu_cpu_cond, &qemu_global_mutex, 100);
|
| 2695 |
} |
| 2696 |
|
| 2697 |
void qemu_init_vcpu(void *_env) |
| 2698 |
{
|
| 2699 |
CPUState *env = _env; |
| 2700 |
|
| 2701 |
env->nr_cores = smp_cores; |
| 2702 |
env->nr_threads = smp_threads; |
| 2703 |
if (kvm_enabled())
|
| 2704 |
kvm_start_vcpu(env); |
| 2705 |
else
|
| 2706 |
tcg_init_vcpu(env); |
| 2707 |
} |
| 2708 |
|
| 2709 |
void qemu_notify_event(void) |
| 2710 |
{
|
| 2711 |
qemu_event_increment(); |
| 2712 |
} |
| 2713 |
|
| 2714 |
static void qemu_system_vmstop_request(int reason) |
| 2715 |
{
|
| 2716 |
vmstop_requested = reason; |
| 2717 |
qemu_notify_event(); |
| 2718 |
} |
| 2719 |
|
| 2720 |
void vm_stop(int reason) |
| 2721 |
{
|
| 2722 |
QemuThread me; |
| 2723 |
qemu_thread_self(&me); |
| 2724 |
|
| 2725 |
if (!qemu_thread_equal(&me, &io_thread)) {
|
| 2726 |
qemu_system_vmstop_request(reason); |
| 2727 |
/*
|
| 2728 |
* FIXME: should not return to device code in case
|
| 2729 |
* vm_stop() has been requested.
|
| 2730 |
*/
|
| 2731 |
if (cpu_single_env) {
|
| 2732 |
cpu_exit(cpu_single_env); |
| 2733 |
cpu_single_env->stop = 1;
|
| 2734 |
} |
| 2735 |
return;
|
| 2736 |
} |
| 2737 |
do_vm_stop(reason); |
| 2738 |
} |
| 2739 |
|
| 2740 |
#endif
|
| 2741 |
|
| 2742 |
|
| 2743 |
#ifdef _WIN32
|
| 2744 |
static void host_main_loop_wait(int *timeout) |
| 2745 |
{
|
| 2746 |
int ret, ret2, i;
|
| 2747 |
PollingEntry *pe; |
| 2748 |
|
| 2749 |
|
| 2750 |
/* XXX: need to suppress polling by better using win32 events */
|
| 2751 |
ret = 0;
|
| 2752 |
for(pe = first_polling_entry; pe != NULL; pe = pe->next) { |
| 2753 |
ret |= pe->func(pe->opaque); |
| 2754 |
} |
| 2755 |
if (ret == 0) { |
| 2756 |
int err;
|
| 2757 |
WaitObjects *w = &wait_objects; |
| 2758 |
|
| 2759 |
ret = WaitForMultipleObjects(w->num, w->events, FALSE, *timeout); |
| 2760 |
if (WAIT_OBJECT_0 + 0 <= ret && ret <= WAIT_OBJECT_0 + w->num - 1) { |
| 2761 |
if (w->func[ret - WAIT_OBJECT_0])
|
| 2762 |
w->func[ret - WAIT_OBJECT_0](w->opaque[ret - WAIT_OBJECT_0]); |
| 2763 |
|
| 2764 |
/* Check for additional signaled events */
|
| 2765 |
for(i = (ret - WAIT_OBJECT_0 + 1); i < w->num; i++) { |
| 2766 |
|
| 2767 |
/* Check if event is signaled */
|
| 2768 |
ret2 = WaitForSingleObject(w->events[i], 0);
|
| 2769 |
if(ret2 == WAIT_OBJECT_0) {
|
| 2770 |
if (w->func[i])
|
| 2771 |
w->func[i](w->opaque[i]); |
| 2772 |
} else if (ret2 == WAIT_TIMEOUT) { |
| 2773 |
} else {
|
| 2774 |
err = GetLastError(); |
| 2775 |
fprintf(stderr, "WaitForSingleObject error %d %d\n", i, err);
|
| 2776 |
} |
| 2777 |
} |
| 2778 |
} else if (ret == WAIT_TIMEOUT) { |
| 2779 |
} else {
|
| 2780 |
err = GetLastError(); |
| 2781 |
fprintf(stderr, "WaitForMultipleObjects error %d %d\n", ret, err);
|
| 2782 |
} |
| 2783 |
} |
| 2784 |
|
| 2785 |
*timeout = 0;
|
| 2786 |
} |
| 2787 |
#else
|
| 2788 |
static void host_main_loop_wait(int *timeout) |
| 2789 |
{
|
| 2790 |
} |
| 2791 |
#endif
|
| 2792 |
|
| 2793 |
void main_loop_wait(int nonblocking) |
| 2794 |
{
|
| 2795 |
IOHandlerRecord *ioh; |
| 2796 |
fd_set rfds, wfds, xfds; |
| 2797 |
int ret, nfds;
|
| 2798 |
struct timeval tv;
|
| 2799 |
int timeout;
|
| 2800 |
|
| 2801 |
if (nonblocking)
|
| 2802 |
timeout = 0;
|
| 2803 |
else {
|
| 2804 |
timeout = qemu_calculate_timeout(); |
| 2805 |
qemu_bh_update_timeout(&timeout); |
| 2806 |
} |
| 2807 |
|
| 2808 |
host_main_loop_wait(&timeout); |
| 2809 |
|
| 2810 |
/* poll any events */
|
| 2811 |
/* XXX: separate device handlers from system ones */
|
| 2812 |
nfds = -1;
|
| 2813 |
FD_ZERO(&rfds); |
| 2814 |
FD_ZERO(&wfds); |
| 2815 |
FD_ZERO(&xfds); |
| 2816 |
QLIST_FOREACH(ioh, &io_handlers, next) {
|
| 2817 |
if (ioh->deleted)
|
| 2818 |
continue;
|
| 2819 |
if (ioh->fd_read &&
|
| 2820 |
(!ioh->fd_read_poll || |
| 2821 |
ioh->fd_read_poll(ioh->opaque) != 0)) {
|
| 2822 |
FD_SET(ioh->fd, &rfds); |
| 2823 |
if (ioh->fd > nfds)
|
| 2824 |
nfds = ioh->fd; |
| 2825 |
} |
| 2826 |
if (ioh->fd_write) {
|
| 2827 |
FD_SET(ioh->fd, &wfds); |
| 2828 |
if (ioh->fd > nfds)
|
| 2829 |
nfds = ioh->fd; |
| 2830 |
} |
| 2831 |
} |
| 2832 |
|
| 2833 |
tv.tv_sec = timeout / 1000;
|
| 2834 |
tv.tv_usec = (timeout % 1000) * 1000; |
| 2835 |
|
| 2836 |
slirp_select_fill(&nfds, &rfds, &wfds, &xfds); |
| 2837 |
|
| 2838 |
qemu_mutex_unlock_iothread(); |
| 2839 |
ret = select(nfds + 1, &rfds, &wfds, &xfds, &tv);
|
| 2840 |
qemu_mutex_lock_iothread(); |
| 2841 |
if (ret > 0) { |
| 2842 |
IOHandlerRecord *pioh; |
| 2843 |
|
| 2844 |
QLIST_FOREACH_SAFE(ioh, &io_handlers, next, pioh) {
|
| 2845 |
if (ioh->deleted) {
|
| 2846 |
QLIST_REMOVE(ioh, next); |
| 2847 |
qemu_free(ioh); |
| 2848 |
continue;
|
| 2849 |
} |
| 2850 |
if (ioh->fd_read && FD_ISSET(ioh->fd, &rfds)) {
|
| 2851 |
ioh->fd_read(ioh->opaque); |
| 2852 |
} |
| 2853 |
if (ioh->fd_write && FD_ISSET(ioh->fd, &wfds)) {
|
| 2854 |
ioh->fd_write(ioh->opaque); |
| 2855 |
} |
| 2856 |
} |
| 2857 |
} |
| 2858 |
|
| 2859 |
slirp_select_poll(&rfds, &wfds, &xfds, (ret < 0));
|
| 2860 |
|
| 2861 |
qemu_run_all_timers(); |
| 2862 |
|
| 2863 |
/* Check bottom-halves last in case any of the earlier events triggered
|
| 2864 |
them. */
|
| 2865 |
qemu_bh_poll(); |
| 2866 |
|
| 2867 |
} |
| 2868 |
|
| 2869 |
static int qemu_cpu_exec(CPUState *env) |
| 2870 |
{
|
| 2871 |
int ret;
|
| 2872 |
#ifdef CONFIG_PROFILER
|
| 2873 |
int64_t ti; |
| 2874 |
#endif
|
| 2875 |
|
| 2876 |
#ifdef CONFIG_PROFILER
|
| 2877 |
ti = profile_getclock(); |
| 2878 |
#endif
|
| 2879 |
if (use_icount) {
|
| 2880 |
int64_t count; |
| 2881 |
int decr;
|
| 2882 |
qemu_icount -= (env->icount_decr.u16.low + env->icount_extra); |
| 2883 |
env->icount_decr.u16.low = 0;
|
| 2884 |
env->icount_extra = 0;
|
| 2885 |
count = qemu_icount_round (qemu_next_deadline()); |
| 2886 |
qemu_icount += count; |
| 2887 |
decr = (count > 0xffff) ? 0xffff : count; |
| 2888 |
count -= decr; |
| 2889 |
env->icount_decr.u16.low = decr; |
| 2890 |
env->icount_extra = count; |
| 2891 |
} |
| 2892 |
ret = cpu_exec(env); |
| 2893 |
#ifdef CONFIG_PROFILER
|
| 2894 |
qemu_time += profile_getclock() - ti; |
| 2895 |
#endif
|
| 2896 |
if (use_icount) {
|
| 2897 |
/* Fold pending instructions back into the
|
| 2898 |
instruction counter, and clear the interrupt flag. */
|
| 2899 |
qemu_icount -= (env->icount_decr.u16.low |
| 2900 |
+ env->icount_extra); |
| 2901 |
env->icount_decr.u32 = 0;
|
| 2902 |
env->icount_extra = 0;
|
| 2903 |
} |
| 2904 |
return ret;
|
| 2905 |
} |
| 2906 |
|
| 2907 |
static bool tcg_cpu_exec(void) |
| 2908 |
{
|
| 2909 |
int ret = 0; |
| 2910 |
|
| 2911 |
if (next_cpu == NULL) |
| 2912 |
next_cpu = first_cpu; |
| 2913 |
for (; next_cpu != NULL; next_cpu = next_cpu->next_cpu) { |
| 2914 |
CPUState *env = cur_cpu = next_cpu; |
| 2915 |
|
| 2916 |
qemu_clock_enable(vm_clock, |
| 2917 |
(cur_cpu->singlestep_enabled & SSTEP_NOTIMER) == 0);
|
| 2918 |
|
| 2919 |
if (qemu_alarm_pending())
|
| 2920 |
break;
|
| 2921 |
if (cpu_can_run(env))
|
| 2922 |
ret = qemu_cpu_exec(env); |
| 2923 |
else if (env->stop) |
| 2924 |
break;
|
| 2925 |
|
| 2926 |
if (ret == EXCP_DEBUG) {
|
| 2927 |
gdb_set_stop_cpu(env); |
| 2928 |
debug_requested = 1;
|
| 2929 |
break;
|
| 2930 |
} |
| 2931 |
} |
| 2932 |
return tcg_has_work();
|
| 2933 |
} |
| 2934 |
|
| 2935 |
static int vm_can_run(void) |
| 2936 |
{
|
| 2937 |
if (powerdown_requested)
|
| 2938 |
return 0; |
| 2939 |
if (reset_requested)
|
| 2940 |
return 0; |
| 2941 |
if (shutdown_requested)
|
| 2942 |
return 0; |
| 2943 |
if (debug_requested)
|
| 2944 |
return 0; |
| 2945 |
return 1; |
| 2946 |
} |
| 2947 |
|
| 2948 |
qemu_irq qemu_system_powerdown; |
| 2949 |
|
| 2950 |
static void main_loop(void) |
| 2951 |
{
|
| 2952 |
int r;
|
| 2953 |
|
| 2954 |
#ifdef CONFIG_IOTHREAD
|
| 2955 |
qemu_system_ready = 1;
|
| 2956 |
qemu_cond_broadcast(&qemu_system_cond); |
| 2957 |
#endif
|
| 2958 |
|
| 2959 |
for (;;) {
|
| 2960 |
do {
|
| 2961 |
bool nonblocking = false; |
| 2962 |
#ifdef CONFIG_PROFILER
|
| 2963 |
int64_t ti; |
| 2964 |
#endif
|
| 2965 |
#ifndef CONFIG_IOTHREAD
|
| 2966 |
nonblocking = tcg_cpu_exec(); |
| 2967 |
#endif
|
| 2968 |
#ifdef CONFIG_PROFILER
|
| 2969 |
ti = profile_getclock(); |
| 2970 |
#endif
|
| 2971 |
main_loop_wait(nonblocking); |
| 2972 |
#ifdef CONFIG_PROFILER
|
| 2973 |
dev_time += profile_getclock() - ti; |
| 2974 |
#endif
|
| 2975 |
} while (vm_can_run());
|
| 2976 |
|
| 2977 |
if (qemu_debug_requested()) {
|
| 2978 |
vm_stop(EXCP_DEBUG); |
| 2979 |
} |
| 2980 |
if (qemu_shutdown_requested()) {
|
| 2981 |
monitor_protocol_event(QEVENT_SHUTDOWN, NULL);
|
| 2982 |
if (no_shutdown) {
|
| 2983 |
vm_stop(0);
|
| 2984 |
no_shutdown = 0;
|
| 2985 |
} else
|
| 2986 |
break;
|
| 2987 |
} |
| 2988 |
if (qemu_reset_requested()) {
|
| 2989 |
pause_all_vcpus(); |
| 2990 |
qemu_system_reset(); |
| 2991 |
resume_all_vcpus(); |
| 2992 |
} |
| 2993 |
if (qemu_powerdown_requested()) {
|
| 2994 |
monitor_protocol_event(QEVENT_POWERDOWN, NULL);
|
| 2995 |
qemu_irq_raise(qemu_system_powerdown); |
| 2996 |
} |
| 2997 |
if ((r = qemu_vmstop_requested())) {
|
| 2998 |
vm_stop(r); |
| 2999 |
} |
| 3000 |
} |
| 3001 |
pause_all_vcpus(); |
| 3002 |
} |
| 3003 |
|
| 3004 |
static void version(void) |
| 3005 |
{
|
| 3006 |
printf("QEMU PC emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n"); |
| 3007 |
} |
| 3008 |
|
| 3009 |
static void help(int exitcode) |
| 3010 |
{
|
| 3011 |
const char *options_help = |
| 3012 |
#define DEF(option, opt_arg, opt_enum, opt_help) \
|
| 3013 |
opt_help |
| 3014 |
#define DEFHEADING(text) stringify(text) "\n" |
| 3015 |
#include "qemu-options.h" |
| 3016 |
#undef DEF
|
| 3017 |
#undef DEFHEADING
|
| 3018 |
#undef GEN_DOCS
|
| 3019 |
; |
| 3020 |
version(); |
| 3021 |
printf("usage: %s [options] [disk_image]\n"
|
| 3022 |
"\n"
|
| 3023 |
"'disk_image' is a raw hard image image for IDE hard disk 0\n"
|
| 3024 |
"\n"
|
| 3025 |
"%s\n"
|
| 3026 |
"During emulation, the following keys are useful:\n"
|
| 3027 |
"ctrl-alt-f toggle full screen\n"
|
| 3028 |
"ctrl-alt-n switch to virtual console 'n'\n"
|
| 3029 |
"ctrl-alt toggle mouse and keyboard grab\n"
|
| 3030 |
"\n"
|
| 3031 |
"When using -nographic, press 'ctrl-a h' to get some help.\n",
|
| 3032 |
"qemu",
|
| 3033 |
options_help); |
| 3034 |
exit(exitcode); |
| 3035 |
} |
| 3036 |
|
| 3037 |
#define HAS_ARG 0x0001 |
| 3038 |
|
| 3039 |
enum {
|
| 3040 |
#define DEF(option, opt_arg, opt_enum, opt_help) \
|
| 3041 |
opt_enum, |
| 3042 |
#define DEFHEADING(text)
|
| 3043 |
#include "qemu-options.h" |
| 3044 |
#undef DEF
|
| 3045 |
#undef DEFHEADING
|
| 3046 |
#undef GEN_DOCS
|
| 3047 |
}; |
| 3048 |
|
| 3049 |
typedef struct QEMUOption { |
| 3050 |
const char *name; |
| 3051 |
int flags;
|
| 3052 |
int index;
|
| 3053 |
} QEMUOption; |
| 3054 |
|
| 3055 |
static const QEMUOption qemu_options[] = { |
| 3056 |
{ "h", 0, QEMU_OPTION_h },
|
| 3057 |
#define DEF(option, opt_arg, opt_enum, opt_help) \
|
| 3058 |
{ option, opt_arg, opt_enum },
|
| 3059 |
#define DEFHEADING(text)
|
| 3060 |
#include "qemu-options.h" |
| 3061 |
#undef DEF
|
| 3062 |
#undef DEFHEADING
|
| 3063 |
#undef GEN_DOCS
|
| 3064 |
{ NULL },
|
| 3065 |
}; |
| 3066 |
|
| 3067 |
#ifdef HAS_AUDIO
|
| 3068 |
struct soundhw soundhw[] = {
|
| 3069 |
#ifdef HAS_AUDIO_CHOICE
|
| 3070 |
#if defined(TARGET_I386) || defined(TARGET_MIPS)
|
| 3071 |
{
|
| 3072 |
"pcspk",
|
| 3073 |
"PC speaker",
|
| 3074 |
0,
|
| 3075 |
1,
|
| 3076 |
{ .init_isa = pcspk_audio_init }
|
| 3077 |
}, |
| 3078 |
#endif
|
| 3079 |
|
| 3080 |
#ifdef CONFIG_SB16
|
| 3081 |
{
|
| 3082 |
"sb16",
|
| 3083 |
"Creative Sound Blaster 16",
|
| 3084 |
0,
|
| 3085 |
1,
|
| 3086 |
{ .init_isa = SB16_init }
|
| 3087 |
}, |
| 3088 |
#endif
|
| 3089 |
|
| 3090 |
#ifdef CONFIG_CS4231A
|
| 3091 |
{
|
| 3092 |
"cs4231a",
|
| 3093 |
"CS4231A",
|
| 3094 |
0,
|
| 3095 |
1,
|
| 3096 |
{ .init_isa = cs4231a_init }
|
| 3097 |
}, |
| 3098 |
#endif
|
| 3099 |
|
| 3100 |
#ifdef CONFIG_ADLIB
|
| 3101 |
{
|
| 3102 |
"adlib",
|
| 3103 |
#ifdef HAS_YMF262
|
| 3104 |
"Yamaha YMF262 (OPL3)",
|
| 3105 |
#else
|
| 3106 |
"Yamaha YM3812 (OPL2)",
|
| 3107 |
#endif
|
| 3108 |
0,
|
| 3109 |
1,
|
| 3110 |
{ .init_isa = Adlib_init }
|
| 3111 |
}, |
| 3112 |
#endif
|
| 3113 |
|
| 3114 |
#ifdef CONFIG_GUS
|
| 3115 |
{
|
| 3116 |
"gus",
|
| 3117 |
"Gravis Ultrasound GF1",
|
| 3118 |
0,
|
| 3119 |
1,
|
| 3120 |
{ .init_isa = GUS_init }
|
| 3121 |
}, |
| 3122 |
#endif
|
| 3123 |
|
| 3124 |
#ifdef CONFIG_AC97
|
| 3125 |
{
|
| 3126 |
"ac97",
|
| 3127 |
"Intel 82801AA AC97 Audio",
|
| 3128 |
0,
|
| 3129 |
0,
|
| 3130 |
{ .init_pci = ac97_init }
|
| 3131 |
}, |
| 3132 |
#endif
|
| 3133 |
|
| 3134 |
#ifdef CONFIG_ES1370
|
| 3135 |
{
|
| 3136 |
"es1370",
|
| 3137 |
"ENSONIQ AudioPCI ES1370",
|
| 3138 |
0,
|
| 3139 |
0,
|
| 3140 |
{ .init_pci = es1370_init }
|
| 3141 |
}, |
| 3142 |
#endif
|
| 3143 |
|
| 3144 |
#endif /* HAS_AUDIO_CHOICE */ |
| 3145 |
|
| 3146 |
{ NULL, NULL, 0, 0, { NULL } }
|
| 3147 |
}; |
| 3148 |
|
| 3149 |
static void select_soundhw (const char *optarg) |
| 3150 |
{
|
| 3151 |
struct soundhw *c;
|
| 3152 |
|
| 3153 |
if (*optarg == '?') { |
| 3154 |
show_valid_cards:
|
| 3155 |
|
| 3156 |
printf ("Valid sound card names (comma separated):\n");
|
| 3157 |
for (c = soundhw; c->name; ++c) {
|
| 3158 |
printf ("%-11s %s\n", c->name, c->descr);
|
| 3159 |
} |
| 3160 |
printf ("\n-soundhw all will enable all of the above\n");
|
| 3161 |
exit (*optarg != '?');
|
| 3162 |
} |
| 3163 |
else {
|
| 3164 |
size_t l; |
| 3165 |
const char *p; |
| 3166 |
char *e;
|
| 3167 |
int bad_card = 0; |
| 3168 |
|
| 3169 |
if (!strcmp (optarg, "all")) { |
| 3170 |
for (c = soundhw; c->name; ++c) {
|
| 3171 |
c->enabled = 1;
|
| 3172 |
} |
| 3173 |
return;
|
| 3174 |
} |
| 3175 |
|
| 3176 |
p = optarg; |
| 3177 |
while (*p) {
|
| 3178 |
e = strchr (p, ',');
|
| 3179 |
l = !e ? strlen (p) : (size_t) (e - p); |
| 3180 |
|
| 3181 |
for (c = soundhw; c->name; ++c) {
|
| 3182 |
if (!strncmp (c->name, p, l) && !c->name[l]) {
|
| 3183 |
c->enabled = 1;
|
| 3184 |
break;
|
| 3185 |
} |
| 3186 |
} |
| 3187 |
|
| 3188 |
if (!c->name) {
|
| 3189 |
if (l > 80) { |
| 3190 |
fprintf (stderr, |
| 3191 |
"Unknown sound card name (too big to show)\n");
|
| 3192 |
} |
| 3193 |
else {
|
| 3194 |
fprintf (stderr, "Unknown sound card name `%.*s'\n",
|
| 3195 |
(int) l, p);
|
| 3196 |
} |
| 3197 |
bad_card = 1;
|
| 3198 |
} |
| 3199 |
p += l + (e != NULL);
|
| 3200 |
} |
| 3201 |
|
| 3202 |
if (bad_card)
|
| 3203 |
goto show_valid_cards;
|
| 3204 |
} |
| 3205 |
} |
| 3206 |
#endif
|
| 3207 |
|
| 3208 |
static void select_vgahw (const char *p) |
| 3209 |
{
|
| 3210 |
const char *opts; |
| 3211 |
|
| 3212 |
default_vga = 0;
|
| 3213 |
vga_interface_type = VGA_NONE; |
| 3214 |
if (strstart(p, "std", &opts)) { |
| 3215 |
vga_interface_type = VGA_STD; |
| 3216 |
} else if (strstart(p, "cirrus", &opts)) { |
| 3217 |
vga_interface_type = VGA_CIRRUS; |
| 3218 |
} else if (strstart(p, "vmware", &opts)) { |
| 3219 |
vga_interface_type = VGA_VMWARE; |
| 3220 |
} else if (strstart(p, "xenfb", &opts)) { |
| 3221 |
vga_interface_type = VGA_XENFB; |
| 3222 |
} else if (!strstart(p, "none", &opts)) { |
| 3223 |
invalid_vga:
|
| 3224 |
fprintf(stderr, "Unknown vga type: %s\n", p);
|
| 3225 |
exit(1);
|
| 3226 |
} |
| 3227 |
while (*opts) {
|
| 3228 |
const char *nextopt; |
| 3229 |
|
| 3230 |
if (strstart(opts, ",retrace=", &nextopt)) { |
| 3231 |
opts = nextopt; |
| 3232 |
if (strstart(opts, "dumb", &nextopt)) |
| 3233 |
vga_retrace_method = VGA_RETRACE_DUMB; |
| 3234 |
else if (strstart(opts, "precise", &nextopt)) |
| 3235 |
vga_retrace_method = VGA_RETRACE_PRECISE; |
| 3236 |
else goto invalid_vga; |
| 3237 |
} else goto invalid_vga; |
| 3238 |
opts = nextopt; |
| 3239 |
} |
| 3240 |
} |
| 3241 |
|
| 3242 |
#ifdef TARGET_I386
|
| 3243 |
static int balloon_parse(const char *arg) |
| 3244 |
{
|
| 3245 |
QemuOpts *opts; |
| 3246 |
|
| 3247 |
if (strcmp(arg, "none") == 0) { |
| 3248 |
return 0; |
| 3249 |
} |
| 3250 |
|
| 3251 |
if (!strncmp(arg, "virtio", 6)) { |
| 3252 |
if (arg[6] == ',') { |
| 3253 |
/* have params -> parse them */
|
| 3254 |
opts = qemu_opts_parse(&qemu_device_opts, arg+7, 0); |
| 3255 |
if (!opts)
|
| 3256 |
return -1; |
| 3257 |
} else {
|
| 3258 |
/* create empty opts */
|
| 3259 |
opts = qemu_opts_create(&qemu_device_opts, NULL, 0); |
| 3260 |
} |
| 3261 |
qemu_opt_set(opts, "driver", "virtio-balloon-pci"); |
| 3262 |
return 0; |
| 3263 |
} |
| 3264 |
|
| 3265 |
return -1; |
| 3266 |
} |
| 3267 |
#endif
|
| 3268 |
|
| 3269 |
#ifdef _WIN32
|
| 3270 |
static BOOL WINAPI qemu_ctrl_handler(DWORD type)
|
| 3271 |
{
|
| 3272 |
exit(STATUS_CONTROL_C_EXIT); |
| 3273 |
return TRUE;
|
| 3274 |
} |
| 3275 |
#endif
|
| 3276 |
|
| 3277 |
int qemu_uuid_parse(const char *str, uint8_t *uuid) |
| 3278 |
{
|
| 3279 |
int ret;
|
| 3280 |
|
| 3281 |
if(strlen(str) != 36) |
| 3282 |
return -1; |
| 3283 |
|
| 3284 |
ret = sscanf(str, UUID_FMT, &uuid[0], &uuid[1], &uuid[2], &uuid[3], |
| 3285 |
&uuid[4], &uuid[5], &uuid[6], &uuid[7], &uuid[8], &uuid[9], |
| 3286 |
&uuid[10], &uuid[11], &uuid[12], &uuid[13], &uuid[14], &uuid[15]); |
| 3287 |
|
| 3288 |
if(ret != 16) |
| 3289 |
return -1; |
| 3290 |
|
| 3291 |
#ifdef TARGET_I386
|
| 3292 |
smbios_add_field(1, offsetof(struct smbios_type_1, uuid), 16, uuid); |
| 3293 |
#endif
|
| 3294 |
|
| 3295 |
return 0; |
| 3296 |
} |
| 3297 |
|
| 3298 |
#ifndef _WIN32
|
| 3299 |
|
| 3300 |
static void termsig_handler(int signal) |
| 3301 |
{
|
| 3302 |
qemu_system_shutdown_request(); |
| 3303 |
} |
| 3304 |
|
| 3305 |
static void sigchld_handler(int signal) |
| 3306 |
{
|
| 3307 |
waitpid(-1, NULL, WNOHANG); |
| 3308 |
} |
| 3309 |
|
| 3310 |
static void sighandler_setup(void) |
| 3311 |
{
|
| 3312 |
struct sigaction act;
|
| 3313 |
|
| 3314 |
memset(&act, 0, sizeof(act)); |
| 3315 |
act.sa_handler = termsig_handler; |
| 3316 |
sigaction(SIGINT, &act, NULL);
|
| 3317 |
sigaction(SIGHUP, &act, NULL);
|
| 3318 |
sigaction(SIGTERM, &act, NULL);
|
| 3319 |
|
| 3320 |
act.sa_handler = sigchld_handler; |
| 3321 |
act.sa_flags = SA_NOCLDSTOP; |
| 3322 |
sigaction(SIGCHLD, &act, NULL);
|
| 3323 |
} |
| 3324 |
|
| 3325 |
#endif
|
| 3326 |
|
| 3327 |
#ifdef _WIN32
|
| 3328 |
/* Look for support files in the same directory as the executable. */
|
| 3329 |
static char *find_datadir(const char *argv0) |
| 3330 |
{
|
| 3331 |
char *p;
|
| 3332 |
char buf[MAX_PATH];
|
| 3333 |
DWORD len; |
| 3334 |
|
| 3335 |
len = GetModuleFileName(NULL, buf, sizeof(buf) - 1); |
| 3336 |
if (len == 0) { |
| 3337 |
return NULL; |
| 3338 |
} |
| 3339 |
|
| 3340 |
buf[len] = 0;
|
| 3341 |
p = buf + len - 1;
|
| 3342 |
while (p != buf && *p != '\\') |
| 3343 |
p--; |
| 3344 |
*p = 0;
|
| 3345 |
if (access(buf, R_OK) == 0) { |
| 3346 |
return qemu_strdup(buf);
|
| 3347 |
} |
| 3348 |
return NULL; |
| 3349 |
} |
| 3350 |
#else /* !_WIN32 */ |
| 3351 |
|
| 3352 |
/* Find a likely location for support files using the location of the binary.
|
| 3353 |
For installed binaries this will be "$bindir/../share/qemu". When
|
| 3354 |
running from the build tree this will be "$bindir/../pc-bios". */
|
| 3355 |
#define SHARE_SUFFIX "/share/qemu" |
| 3356 |
#define BUILD_SUFFIX "/pc-bios" |
| 3357 |
static char *find_datadir(const char *argv0) |
| 3358 |
{
|
| 3359 |
char *dir;
|
| 3360 |
char *p = NULL; |
| 3361 |
char *res;
|
| 3362 |
char buf[PATH_MAX];
|
| 3363 |
size_t max_len; |
| 3364 |
|
| 3365 |
#if defined(__linux__)
|
| 3366 |
{
|
| 3367 |
int len;
|
| 3368 |
len = readlink("/proc/self/exe", buf, sizeof(buf) - 1); |
| 3369 |
if (len > 0) { |
| 3370 |
buf[len] = 0;
|
| 3371 |
p = buf; |
| 3372 |
} |
| 3373 |
} |
| 3374 |
#elif defined(__FreeBSD__)
|
| 3375 |
{
|
| 3376 |
int len;
|
| 3377 |
len = readlink("/proc/curproc/file", buf, sizeof(buf) - 1); |
| 3378 |
if (len > 0) { |
| 3379 |
buf[len] = 0;
|
| 3380 |
p = buf; |
| 3381 |
} |
| 3382 |
} |
| 3383 |
#endif
|
| 3384 |
/* If we don't have any way of figuring out the actual executable
|
| 3385 |
location then try argv[0]. */
|
| 3386 |
if (!p) {
|
| 3387 |
p = realpath(argv0, buf); |
| 3388 |
if (!p) {
|
| 3389 |
return NULL; |
| 3390 |
} |
| 3391 |
} |
| 3392 |
dir = dirname(p); |
| 3393 |
dir = dirname(dir); |
| 3394 |
|
| 3395 |
max_len = strlen(dir) + |
| 3396 |
MAX(strlen(SHARE_SUFFIX), strlen(BUILD_SUFFIX)) + 1;
|
| 3397 |
res = qemu_mallocz(max_len); |
| 3398 |
snprintf(res, max_len, "%s%s", dir, SHARE_SUFFIX);
|
| 3399 |
if (access(res, R_OK)) {
|
| 3400 |
snprintf(res, max_len, "%s%s", dir, BUILD_SUFFIX);
|
| 3401 |
if (access(res, R_OK)) {
|
| 3402 |
qemu_free(res); |
| 3403 |
res = NULL;
|
| 3404 |
} |
| 3405 |
} |
| 3406 |
|
| 3407 |
return res;
|
| 3408 |
} |
| 3409 |
#undef SHARE_SUFFIX
|
| 3410 |
#undef BUILD_SUFFIX
|
| 3411 |
#endif
|
| 3412 |
|
| 3413 |
char *qemu_find_file(int type, const char *name) |
| 3414 |
{
|
| 3415 |
int len;
|
| 3416 |
const char *subdir; |
| 3417 |
char *buf;
|
| 3418 |
|
| 3419 |
/* If name contains path separators then try it as a straight path. */
|
| 3420 |
if ((strchr(name, '/') || strchr(name, '\\')) |
| 3421 |
&& access(name, R_OK) == 0) {
|
| 3422 |
return qemu_strdup(name);
|
| 3423 |
} |
| 3424 |
switch (type) {
|
| 3425 |
case QEMU_FILE_TYPE_BIOS:
|
| 3426 |
subdir = "";
|
| 3427 |
break;
|
| 3428 |
case QEMU_FILE_TYPE_KEYMAP:
|
| 3429 |
subdir = "keymaps/";
|
| 3430 |
break;
|
| 3431 |
default:
|
| 3432 |
abort(); |
| 3433 |
} |
| 3434 |
len = strlen(data_dir) + strlen(name) + strlen(subdir) + 2;
|
| 3435 |
buf = qemu_mallocz(len); |
| 3436 |
snprintf(buf, len, "%s/%s%s", data_dir, subdir, name);
|
| 3437 |
if (access(buf, R_OK)) {
|
| 3438 |
qemu_free(buf); |
| 3439 |
return NULL; |
| 3440 |
} |
| 3441 |
return buf;
|
| 3442 |
} |
| 3443 |
|
| 3444 |
static int device_help_func(QemuOpts *opts, void *opaque) |
| 3445 |
{
|
| 3446 |
return qdev_device_help(opts);
|
| 3447 |
} |
| 3448 |
|
| 3449 |
static int device_init_func(QemuOpts *opts, void *opaque) |
| 3450 |
{
|
| 3451 |
DeviceState *dev; |
| 3452 |
|
| 3453 |
dev = qdev_device_add(opts); |
| 3454 |
if (!dev)
|
| 3455 |
return -1; |
| 3456 |
return 0; |
| 3457 |
} |
| 3458 |
|
| 3459 |
static int chardev_init_func(QemuOpts *opts, void *opaque) |
| 3460 |
{
|
| 3461 |
CharDriverState *chr; |
| 3462 |
|
| 3463 |
chr = qemu_chr_open_opts(opts, NULL);
|
| 3464 |
if (!chr)
|
| 3465 |
return -1; |
| 3466 |
return 0; |
| 3467 |
} |
| 3468 |
|
| 3469 |
static int mon_init_func(QemuOpts *opts, void *opaque) |
| 3470 |
{
|
| 3471 |
CharDriverState *chr; |
| 3472 |
const char *chardev; |
| 3473 |
const char *mode; |
| 3474 |
int flags;
|
| 3475 |
|
| 3476 |
mode = qemu_opt_get(opts, "mode");
|
| 3477 |
if (mode == NULL) { |
| 3478 |
mode = "readline";
|
| 3479 |
} |
| 3480 |
if (strcmp(mode, "readline") == 0) { |
| 3481 |
flags = MONITOR_USE_READLINE; |
| 3482 |
} else if (strcmp(mode, "control") == 0) { |
| 3483 |
flags = MONITOR_USE_CONTROL; |
| 3484 |
} else {
|
| 3485 |
fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
|
| 3486 |
exit(1);
|
| 3487 |
} |
| 3488 |
|
| 3489 |
if (qemu_opt_get_bool(opts, "default", 0)) |
| 3490 |
flags |= MONITOR_IS_DEFAULT; |
| 3491 |
|
| 3492 |
chardev = qemu_opt_get(opts, "chardev");
|
| 3493 |
chr = qemu_chr_find(chardev); |
| 3494 |
if (chr == NULL) { |
| 3495 |
fprintf(stderr, "chardev \"%s\" not found\n", chardev);
|
| 3496 |
exit(1);
|
| 3497 |
} |
| 3498 |
|
| 3499 |
monitor_init(chr, flags); |
| 3500 |
return 0; |
| 3501 |
} |
| 3502 |
|
| 3503 |
static void monitor_parse(const char *optarg, const char *mode) |
| 3504 |
{
|
| 3505 |
static int monitor_device_index = 0; |
| 3506 |
QemuOpts *opts; |
| 3507 |
const char *p; |
| 3508 |
char label[32]; |
| 3509 |
int def = 0; |
| 3510 |
|
| 3511 |
if (strstart(optarg, "chardev:", &p)) { |
| 3512 |
snprintf(label, sizeof(label), "%s", p); |
| 3513 |
} else {
|
| 3514 |
if (monitor_device_index) {
|
| 3515 |
snprintf(label, sizeof(label), "monitor%d", |
| 3516 |
monitor_device_index); |
| 3517 |
} else {
|
| 3518 |
snprintf(label, sizeof(label), "monitor"); |
| 3519 |
def = 1;
|
| 3520 |
} |
| 3521 |
opts = qemu_chr_parse_compat(label, optarg); |
| 3522 |
if (!opts) {
|
| 3523 |
fprintf(stderr, "parse error: %s\n", optarg);
|
| 3524 |
exit(1);
|
| 3525 |
} |
| 3526 |
} |
| 3527 |
|
| 3528 |
opts = qemu_opts_create(&qemu_mon_opts, label, 1);
|
| 3529 |
if (!opts) {
|
| 3530 |
fprintf(stderr, "duplicate chardev: %s\n", label);
|
| 3531 |
exit(1);
|
| 3532 |
} |
| 3533 |
qemu_opt_set(opts, "mode", mode);
|
| 3534 |
qemu_opt_set(opts, "chardev", label);
|
| 3535 |
if (def)
|
| 3536 |
qemu_opt_set(opts, "default", "on"); |
| 3537 |
monitor_device_index++; |
| 3538 |
} |
| 3539 |
|
| 3540 |
struct device_config {
|
| 3541 |
enum {
|
| 3542 |
DEV_USB, /* -usbdevice */
|
| 3543 |
DEV_BT, /* -bt */
|
| 3544 |
DEV_SERIAL, /* -serial */
|
| 3545 |
DEV_PARALLEL, /* -parallel */
|
| 3546 |
DEV_VIRTCON, /* -virtioconsole */
|
| 3547 |
DEV_DEBUGCON, /* -debugcon */
|
| 3548 |
} type; |
| 3549 |
const char *cmdline; |
| 3550 |
QTAILQ_ENTRY(device_config) next; |
| 3551 |
}; |
| 3552 |
QTAILQ_HEAD(, device_config) device_configs = QTAILQ_HEAD_INITIALIZER(device_configs); |
| 3553 |
|
| 3554 |
static void add_device_config(int type, const char *cmdline) |
| 3555 |
{
|
| 3556 |
struct device_config *conf;
|
| 3557 |
|
| 3558 |
conf = qemu_mallocz(sizeof(*conf));
|
| 3559 |
conf->type = type; |
| 3560 |
conf->cmdline = cmdline; |
| 3561 |
QTAILQ_INSERT_TAIL(&device_configs, conf, next); |
| 3562 |
} |
| 3563 |
|
| 3564 |
static int foreach_device_config(int type, int (*func)(const char *cmdline)) |
| 3565 |
{
|
| 3566 |
struct device_config *conf;
|
| 3567 |
int rc;
|
| 3568 |
|
| 3569 |
QTAILQ_FOREACH(conf, &device_configs, next) {
|
| 3570 |
if (conf->type != type)
|
| 3571 |
continue;
|
| 3572 |
rc = func(conf->cmdline); |
| 3573 |
if (0 != rc) |
| 3574 |
return rc;
|
| 3575 |
} |
| 3576 |
return 0; |
| 3577 |
} |
| 3578 |
|
| 3579 |
static int serial_parse(const char *devname) |
| 3580 |
{
|
| 3581 |
static int index = 0; |
| 3582 |
char label[32]; |
| 3583 |
|
| 3584 |
if (strcmp(devname, "none") == 0) |
| 3585 |
return 0; |
| 3586 |
if (index == MAX_SERIAL_PORTS) {
|
| 3587 |
fprintf(stderr, "qemu: too many serial ports\n");
|
| 3588 |
exit(1);
|
| 3589 |
} |
| 3590 |
snprintf(label, sizeof(label), "serial%d", index); |
| 3591 |
serial_hds[index] = qemu_chr_open(label, devname, NULL);
|
| 3592 |
if (!serial_hds[index]) {
|
| 3593 |
fprintf(stderr, "qemu: could not open serial device '%s': %s\n",
|
| 3594 |
devname, strerror(errno)); |
| 3595 |
return -1; |
| 3596 |
} |
| 3597 |
index++; |
| 3598 |
return 0; |
| 3599 |
} |
| 3600 |
|
| 3601 |
static int parallel_parse(const char *devname) |
| 3602 |
{
|
| 3603 |
static int index = 0; |
| 3604 |
char label[32]; |
| 3605 |
|
| 3606 |
if (strcmp(devname, "none") == 0) |
| 3607 |
return 0; |
| 3608 |
if (index == MAX_PARALLEL_PORTS) {
|
| 3609 |
fprintf(stderr, "qemu: too many parallel ports\n");
|
| 3610 |
exit(1);
|
| 3611 |
} |
| 3612 |
snprintf(label, sizeof(label), "parallel%d", index); |
| 3613 |
parallel_hds[index] = qemu_chr_open(label, devname, NULL);
|
| 3614 |
if (!parallel_hds[index]) {
|
| 3615 |
fprintf(stderr, "qemu: could not open parallel device '%s': %s\n",
|
| 3616 |
devname, strerror(errno)); |
| 3617 |
return -1; |
| 3618 |
} |
| 3619 |
index++; |
| 3620 |
return 0; |
| 3621 |
} |
| 3622 |
|
| 3623 |
static int virtcon_parse(const char *devname) |
| 3624 |
{
|
| 3625 |
static int index = 0; |
| 3626 |
char label[32]; |
| 3627 |
QemuOpts *bus_opts, *dev_opts; |
| 3628 |
|
| 3629 |
if (strcmp(devname, "none") == 0) |
| 3630 |
return 0; |
| 3631 |
if (index == MAX_VIRTIO_CONSOLES) {
|
| 3632 |
fprintf(stderr, "qemu: too many virtio consoles\n");
|
| 3633 |
exit(1);
|
| 3634 |
} |
| 3635 |
|
| 3636 |
bus_opts = qemu_opts_create(&qemu_device_opts, NULL, 0); |
| 3637 |
qemu_opt_set(bus_opts, "driver", "virtio-serial"); |
| 3638 |
|
| 3639 |
dev_opts = qemu_opts_create(&qemu_device_opts, NULL, 0); |
| 3640 |
qemu_opt_set(dev_opts, "driver", "virtconsole"); |
| 3641 |
|
| 3642 |
snprintf(label, sizeof(label), "virtcon%d", index); |
| 3643 |
virtcon_hds[index] = qemu_chr_open(label, devname, NULL);
|
| 3644 |
if (!virtcon_hds[index]) {
|
| 3645 |
fprintf(stderr, "qemu: could not open virtio console '%s': %s\n",
|
| 3646 |
devname, strerror(errno)); |
| 3647 |
return -1; |
| 3648 |
} |
| 3649 |
qemu_opt_set(dev_opts, "chardev", label);
|
| 3650 |
|
| 3651 |
index++; |
| 3652 |
return 0; |
| 3653 |
} |
| 3654 |
|
| 3655 |
static int debugcon_parse(const char *devname) |
| 3656 |
{
|
| 3657 |
QemuOpts *opts; |
| 3658 |
|
| 3659 |
if (!qemu_chr_open("debugcon", devname, NULL)) { |
| 3660 |
exit(1);
|
| 3661 |
} |
| 3662 |
opts = qemu_opts_create(&qemu_device_opts, "debugcon", 1); |
| 3663 |
if (!opts) {
|
| 3664 |
fprintf(stderr, "qemu: already have a debugcon device\n");
|
| 3665 |
exit(1);
|
| 3666 |
} |
| 3667 |
qemu_opt_set(opts, "driver", "isa-debugcon"); |
| 3668 |
qemu_opt_set(opts, "chardev", "debugcon"); |
| 3669 |
return 0; |
| 3670 |
} |
| 3671 |
|
| 3672 |
static const QEMUOption *lookup_opt(int argc, char **argv, |
| 3673 |
const char **poptarg, int *poptind) |
| 3674 |
{
|
| 3675 |
const QEMUOption *popt;
|
| 3676 |
int optind = *poptind;
|
| 3677 |
char *r = argv[optind];
|
| 3678 |
const char *optarg; |
| 3679 |
|
| 3680 |
loc_set_cmdline(argv, optind, 1);
|
| 3681 |
optind++; |
| 3682 |
/* Treat --foo the same as -foo. */
|
| 3683 |
if (r[1] == '-') |
| 3684 |
r++; |
| 3685 |
popt = qemu_options; |
| 3686 |
for(;;) {
|
| 3687 |
if (!popt->name) {
|
| 3688 |
error_report("invalid option");
|
| 3689 |
exit(1);
|
| 3690 |
} |
| 3691 |
if (!strcmp(popt->name, r + 1)) |
| 3692 |
break;
|
| 3693 |
popt++; |
| 3694 |
} |
| 3695 |
if (popt->flags & HAS_ARG) {
|
| 3696 |
if (optind >= argc) {
|
| 3697 |
error_report("requires an argument");
|
| 3698 |
exit(1);
|
| 3699 |
} |
| 3700 |
optarg = argv[optind++]; |
| 3701 |
loc_set_cmdline(argv, optind - 2, 2); |
| 3702 |
} else {
|
| 3703 |
optarg = NULL;
|
| 3704 |
} |
| 3705 |
|
| 3706 |
*poptarg = optarg; |
| 3707 |
*poptind = optind; |
| 3708 |
|
| 3709 |
return popt;
|
| 3710 |
} |
| 3711 |
|
| 3712 |
static void qmp_add_default(void) |
| 3713 |
{
|
| 3714 |
char buffer[4096]; |
| 3715 |
const char *home; |
| 3716 |
static uint8_t null_uuid[16]; |
| 3717 |
uint8_t uuid[16];
|
| 3718 |
int ret;
|
| 3719 |
|
| 3720 |
home = getenv("HOME");
|
| 3721 |
if (!home) {
|
| 3722 |
return;
|
| 3723 |
} |
| 3724 |
|
| 3725 |
if (memcmp(qemu_uuid, null_uuid, sizeof(null_uuid)) == 0) { |
| 3726 |
#if defined(CONFIG_UUID)
|
| 3727 |
uuid_generate(uuid); |
| 3728 |
#else
|
| 3729 |
return;
|
| 3730 |
#endif
|
| 3731 |
} else {
|
| 3732 |
memcpy(uuid, qemu_uuid, sizeof(qemu_uuid));
|
| 3733 |
} |
| 3734 |
|
| 3735 |
snprintf(buffer, sizeof(buffer), "%s/.qemu", home); |
| 3736 |
#ifdef __MINGW32__
|
| 3737 |
ret = mkdir(buffer); |
| 3738 |
#else
|
| 3739 |
ret = mkdir(buffer, 0755);
|
| 3740 |
#endif
|
| 3741 |
if (ret == -1 && errno != EEXIST) { |
| 3742 |
fprintf(stderr, "could not open default QMP port\n");
|
| 3743 |
return;
|
| 3744 |
} |
| 3745 |
|
| 3746 |
snprintf(buffer, sizeof(buffer), "%s/.qemu/qmp", home); |
| 3747 |
#ifdef __MINGW32__
|
| 3748 |
ret = mkdir(buffer); |
| 3749 |
#else
|
| 3750 |
ret = mkdir(buffer, 0755);
|
| 3751 |
#endif
|
| 3752 |
if (ret == -1 && errno != EEXIST) { |
| 3753 |
fprintf(stderr, "could not open default QMP port\n");
|
| 3754 |
return;
|
| 3755 |
} |
| 3756 |
|
| 3757 |
snprintf(buffer, sizeof(buffer),
|
| 3758 |
"unix:%s/.qemu/qmp/" UUID_FMT ".sock,server,nowait", |
| 3759 |
home, |
| 3760 |
uuid[0], uuid[1], uuid[2], uuid[3], |
| 3761 |
uuid[4], uuid[5], uuid[6], uuid[7], |
| 3762 |
uuid[8], uuid[9], uuid[10], uuid[11], |
| 3763 |
uuid[12], uuid[13], uuid[14], uuid[15]); |
| 3764 |
|
| 3765 |
monitor_parse(buffer, "control");
|
| 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 |
CPUState *env; |
| 3800 |
int show_vnc_port = 0; |
| 3801 |
int defconfig = 1; |
| 3802 |
|
| 3803 |
error_set_progname(argv[0]);
|
| 3804 |
|
| 3805 |
init_clocks(); |
| 3806 |
|
| 3807 |
qemu_cache_utils_init(envp); |
| 3808 |
|
| 3809 |
QLIST_INIT (&vm_change_state_head); |
| 3810 |
#ifndef _WIN32
|
| 3811 |
{
|
| 3812 |
struct sigaction act;
|
| 3813 |
sigfillset(&act.sa_mask); |
| 3814 |
act.sa_flags = 0;
|
| 3815 |
act.sa_handler = SIG_IGN; |
| 3816 |
sigaction(SIGPIPE, &act, NULL);
|
| 3817 |
} |
| 3818 |
#else
|
| 3819 |
SetConsoleCtrlHandler(qemu_ctrl_handler, TRUE); |
| 3820 |
/* Note: cpu_interrupt() is currently not SMP safe, so we force
|
| 3821 |
QEMU to run on a single CPU */
|
| 3822 |
{
|
| 3823 |
HANDLE h; |
| 3824 |
DWORD mask, smask; |
| 3825 |
int i;
|
| 3826 |
h = GetCurrentProcess(); |
| 3827 |
if (GetProcessAffinityMask(h, &mask, &smask)) {
|
| 3828 |
for(i = 0; i < 32; i++) { |
| 3829 |
if (mask & (1 << i)) |
| 3830 |
break;
|
| 3831 |
} |
| 3832 |
if (i != 32) { |
| 3833 |
mask = 1 << i;
|
| 3834 |
SetProcessAffinityMask(h, mask); |
| 3835 |
} |
| 3836 |
} |
| 3837 |
} |
| 3838 |
#endif
|
| 3839 |
|
| 3840 |
module_call_init(MODULE_INIT_MACHINE); |
| 3841 |
machine = find_default_machine(); |
| 3842 |
cpu_model = NULL;
|
| 3843 |
initrd_filename = NULL;
|
| 3844 |
ram_size = 0;
|
| 3845 |
snapshot = 0;
|
| 3846 |
kernel_filename = NULL;
|
| 3847 |
kernel_cmdline = "";
|
| 3848 |
cyls = heads = secs = 0;
|
| 3849 |
translation = BIOS_ATA_TRANSLATION_AUTO; |
| 3850 |
|
| 3851 |
for (i = 0; i < MAX_NODES; i++) { |
| 3852 |
node_mem[i] = 0;
|
| 3853 |
node_cpumask[i] = 0;
|
| 3854 |
} |
| 3855 |
|
| 3856 |
nb_numa_nodes = 0;
|
| 3857 |
nb_nics = 0;
|
| 3858 |
|
| 3859 |
tb_size = 0;
|
| 3860 |
autostart= 1;
|
| 3861 |
|
| 3862 |
/* first pass of option parsing */
|
| 3863 |
optind = 1;
|
| 3864 |
while (optind < argc) {
|
| 3865 |
if (argv[optind][0] != '-') { |
| 3866 |
/* disk image */
|
| 3867 |
optind++; |
| 3868 |
continue;
|
| 3869 |
} else {
|
| 3870 |
const QEMUOption *popt;
|
| 3871 |
|
| 3872 |
popt = lookup_opt(argc, argv, &optarg, &optind); |
| 3873 |
switch (popt->index) {
|
| 3874 |
case QEMU_OPTION_nodefconfig:
|
| 3875 |
defconfig=0;
|
| 3876 |
break;
|
| 3877 |
} |
| 3878 |
} |
| 3879 |
} |
| 3880 |
|
| 3881 |
if (defconfig) {
|
| 3882 |
const char *fname; |
| 3883 |
FILE *fp; |
| 3884 |
|
| 3885 |
fname = CONFIG_QEMU_CONFDIR "/qemu.conf";
|
| 3886 |
fp = fopen(fname, "r");
|
| 3887 |
if (fp) {
|
| 3888 |
if (qemu_config_parse(fp, fname) != 0) { |
| 3889 |
exit(1);
|
| 3890 |
} |
| 3891 |
fclose(fp); |
| 3892 |
} |
| 3893 |
|
| 3894 |
fname = CONFIG_QEMU_CONFDIR "/target-" TARGET_ARCH ".conf"; |
| 3895 |
fp = fopen(fname, "r");
|
| 3896 |
if (fp) {
|
| 3897 |
if (qemu_config_parse(fp, fname) != 0) { |
| 3898 |
exit(1);
|
| 3899 |
} |
| 3900 |
fclose(fp); |
| 3901 |
} |
| 3902 |
} |
| 3903 |
#if defined(cpudef_setup)
|
| 3904 |
cpudef_setup(); /* parse cpu definitions in target config file */
|
| 3905 |
#endif
|
| 3906 |
|
| 3907 |
/* second pass of option parsing */
|
| 3908 |
optind = 1;
|
| 3909 |
for(;;) {
|
| 3910 |
if (optind >= argc)
|
| 3911 |
break;
|
| 3912 |
if (argv[optind][0] != '-') { |
| 3913 |
hda_opts = drive_add(argv[optind++], HD_ALIAS, 0);
|
| 3914 |
} else {
|
| 3915 |
const QEMUOption *popt;
|
| 3916 |
|
| 3917 |
popt = lookup_opt(argc, argv, &optarg, &optind); |
| 3918 |
switch(popt->index) {
|
| 3919 |
case QEMU_OPTION_M:
|
| 3920 |
machine = find_machine(optarg); |
| 3921 |
if (!machine) {
|
| 3922 |
QEMUMachine *m; |
| 3923 |
printf("Supported machines are:\n");
|
| 3924 |
for(m = first_machine; m != NULL; m = m->next) { |
| 3925 |
if (m->alias)
|
| 3926 |
printf("%-10s %s (alias of %s)\n",
|
| 3927 |
m->alias, m->desc, m->name); |
| 3928 |
printf("%-10s %s%s\n",
|
| 3929 |
m->name, m->desc, |
| 3930 |
m->is_default ? " (default)" : ""); |
| 3931 |
} |
| 3932 |
exit(*optarg != '?');
|
| 3933 |
} |
| 3934 |
break;
|
| 3935 |
case QEMU_OPTION_cpu:
|
| 3936 |
/* hw initialization will check this */
|
| 3937 |
if (*optarg == '?') { |
| 3938 |
/* XXX: implement xxx_cpu_list for targets that still miss it */
|
| 3939 |
#if defined(cpu_list_id)
|
| 3940 |
cpu_list_id(stdout, &fprintf, optarg); |
| 3941 |
#elif defined(cpu_list)
|
| 3942 |
cpu_list(stdout, &fprintf); /* deprecated */
|
| 3943 |
#endif
|
| 3944 |
exit(0);
|
| 3945 |
} else {
|
| 3946 |
cpu_model = optarg; |
| 3947 |
} |
| 3948 |
break;
|
| 3949 |
case QEMU_OPTION_initrd:
|
| 3950 |
initrd_filename = optarg; |
| 3951 |
break;
|
| 3952 |
case QEMU_OPTION_hda:
|
| 3953 |
if (cyls == 0) |
| 3954 |
hda_opts = drive_add(optarg, HD_ALIAS, 0);
|
| 3955 |
else
|
| 3956 |
hda_opts = drive_add(optarg, HD_ALIAS |
| 3957 |
",cyls=%d,heads=%d,secs=%d%s",
|
| 3958 |
0, cyls, heads, secs,
|
| 3959 |
translation == BIOS_ATA_TRANSLATION_LBA ? |
| 3960 |
",trans=lba" :
|
| 3961 |
translation == BIOS_ATA_TRANSLATION_NONE ? |
| 3962 |
",trans=none" : ""); |
| 3963 |
break;
|
| 3964 |
case QEMU_OPTION_hdb:
|
| 3965 |
case QEMU_OPTION_hdc:
|
| 3966 |
case QEMU_OPTION_hdd:
|
| 3967 |
drive_add(optarg, HD_ALIAS, popt->index - QEMU_OPTION_hda); |
| 3968 |
break;
|
| 3969 |
case QEMU_OPTION_drive:
|
| 3970 |
drive_add(NULL, "%s", optarg); |
| 3971 |
break;
|
| 3972 |
case QEMU_OPTION_set:
|
| 3973 |
if (qemu_set_option(optarg) != 0) |
| 3974 |
exit(1);
|
| 3975 |
break;
|
| 3976 |
case QEMU_OPTION_global:
|
| 3977 |
if (qemu_global_option(optarg) != 0) |
| 3978 |
exit(1);
|
| 3979 |
break;
|
| 3980 |
case QEMU_OPTION_mtdblock:
|
| 3981 |
drive_add(optarg, MTD_ALIAS); |
| 3982 |
break;
|
| 3983 |
case QEMU_OPTION_sd:
|
| 3984 |
drive_add(optarg, SD_ALIAS); |
| 3985 |
break;
|
| 3986 |
case QEMU_OPTION_pflash:
|
| 3987 |
drive_add(optarg, PFLASH_ALIAS); |
| 3988 |
break;
|
| 3989 |
case QEMU_OPTION_snapshot:
|
| 3990 |
snapshot = 1;
|
| 3991 |
break;
|
| 3992 |
case QEMU_OPTION_hdachs:
|
| 3993 |
{
|
| 3994 |
const char *p; |
| 3995 |
p = optarg; |
| 3996 |
cyls = strtol(p, (char **)&p, 0); |
| 3997 |
if (cyls < 1 || cyls > 16383) |
| 3998 |
goto chs_fail;
|
| 3999 |
if (*p != ',') |
| 4000 |
goto chs_fail;
|
| 4001 |
p++; |
| 4002 |
heads = strtol(p, (char **)&p, 0); |
| 4003 |
if (heads < 1 || heads > 16) |
| 4004 |
goto chs_fail;
|
| 4005 |
if (*p != ',') |
| 4006 |
goto chs_fail;
|
| 4007 |
p++; |
| 4008 |
secs = strtol(p, (char **)&p, 0); |
| 4009 |
if (secs < 1 || secs > 63) |
| 4010 |
goto chs_fail;
|
| 4011 |
if (*p == ',') { |
| 4012 |
p++; |
| 4013 |
if (!strcmp(p, "none")) |
| 4014 |
translation = BIOS_ATA_TRANSLATION_NONE; |
| 4015 |
else if (!strcmp(p, "lba")) |
| 4016 |
translation = BIOS_ATA_TRANSLATION_LBA; |
| 4017 |
else if (!strcmp(p, "auto")) |
| 4018 |
translation = BIOS_ATA_TRANSLATION_AUTO; |
| 4019 |
else
|
| 4020 |
goto chs_fail;
|
| 4021 |
} else if (*p != '\0') { |
| 4022 |
chs_fail:
|
| 4023 |
fprintf(stderr, "qemu: invalid physical CHS format\n");
|
| 4024 |
exit(1);
|
| 4025 |
} |
| 4026 |
if (hda_opts != NULL) { |
| 4027 |
char num[16]; |
| 4028 |
snprintf(num, sizeof(num), "%d", cyls); |
| 4029 |
qemu_opt_set(hda_opts, "cyls", num);
|
| 4030 |
snprintf(num, sizeof(num), "%d", heads); |
| 4031 |
qemu_opt_set(hda_opts, "heads", num);
|
| 4032 |
snprintf(num, sizeof(num), "%d", secs); |
| 4033 |
qemu_opt_set(hda_opts, "secs", num);
|
| 4034 |
if (translation == BIOS_ATA_TRANSLATION_LBA)
|
| 4035 |
qemu_opt_set(hda_opts, "trans", "lba"); |
| 4036 |
if (translation == BIOS_ATA_TRANSLATION_NONE)
|
| 4037 |
qemu_opt_set(hda_opts, "trans", "none"); |
| 4038 |
} |
| 4039 |
} |
| 4040 |
break;
|
| 4041 |
case QEMU_OPTION_numa:
|
| 4042 |
if (nb_numa_nodes >= MAX_NODES) {
|
| 4043 |
fprintf(stderr, "qemu: too many NUMA nodes\n");
|
| 4044 |
exit(1);
|
| 4045 |
} |
| 4046 |
numa_add(optarg); |
| 4047 |
break;
|
| 4048 |
case QEMU_OPTION_nographic:
|
| 4049 |
display_type = DT_NOGRAPHIC; |
| 4050 |
break;
|
| 4051 |
#ifdef CONFIG_CURSES
|
| 4052 |
case QEMU_OPTION_curses:
|
| 4053 |
display_type = DT_CURSES; |
| 4054 |
break;
|
| 4055 |
#endif
|
| 4056 |
case QEMU_OPTION_portrait:
|
| 4057 |
graphic_rotate = 1;
|
| 4058 |
break;
|
| 4059 |
case QEMU_OPTION_kernel:
|
| 4060 |
kernel_filename = optarg; |
| 4061 |
break;
|
| 4062 |
case QEMU_OPTION_append:
|
| 4063 |
kernel_cmdline = optarg; |
| 4064 |
break;
|
| 4065 |
case QEMU_OPTION_cdrom:
|
| 4066 |
drive_add(optarg, CDROM_ALIAS); |
| 4067 |
break;
|
| 4068 |
case QEMU_OPTION_boot:
|
| 4069 |
{
|
| 4070 |
static const char * const params[] = { |
| 4071 |
"order", "once", "menu", NULL |
| 4072 |
}; |
| 4073 |
char buf[sizeof(boot_devices)]; |
| 4074 |
char *standard_boot_devices;
|
| 4075 |
int legacy = 0; |
| 4076 |
|
| 4077 |
if (!strchr(optarg, '=')) { |
| 4078 |
legacy = 1;
|
| 4079 |
pstrcpy(buf, sizeof(buf), optarg);
|
| 4080 |
} else if (check_params(buf, sizeof(buf), params, optarg) < 0) { |
| 4081 |
fprintf(stderr, |
| 4082 |
"qemu: unknown boot parameter '%s' in '%s'\n",
|
| 4083 |
buf, optarg); |
| 4084 |
exit(1);
|
| 4085 |
} |
| 4086 |
|
| 4087 |
if (legacy ||
|
| 4088 |
get_param_value(buf, sizeof(buf), "order", optarg)) { |
| 4089 |
boot_devices_bitmap = parse_bootdevices(buf); |
| 4090 |
pstrcpy(boot_devices, sizeof(boot_devices), buf);
|
| 4091 |
} |
| 4092 |
if (!legacy) {
|
| 4093 |
if (get_param_value(buf, sizeof(buf), |
| 4094 |
"once", optarg)) {
|
| 4095 |
boot_devices_bitmap |= parse_bootdevices(buf); |
| 4096 |
standard_boot_devices = qemu_strdup(boot_devices); |
| 4097 |
pstrcpy(boot_devices, sizeof(boot_devices), buf);
|
| 4098 |
qemu_register_reset(restore_boot_devices, |
| 4099 |
standard_boot_devices); |
| 4100 |
} |
| 4101 |
if (get_param_value(buf, sizeof(buf), |
| 4102 |
"menu", optarg)) {
|
| 4103 |
if (!strcmp(buf, "on")) { |
| 4104 |
boot_menu = 1;
|
| 4105 |
} else if (!strcmp(buf, "off")) { |
| 4106 |
boot_menu = 0;
|
| 4107 |
} else {
|
| 4108 |
fprintf(stderr, |
| 4109 |
"qemu: invalid option value '%s'\n",
|
| 4110 |
buf); |
| 4111 |
exit(1);
|
| 4112 |
} |
| 4113 |
} |
| 4114 |
} |
| 4115 |
} |
| 4116 |
break;
|
| 4117 |
case QEMU_OPTION_fda:
|
| 4118 |
case QEMU_OPTION_fdb:
|
| 4119 |
drive_add(optarg, FD_ALIAS, popt->index - QEMU_OPTION_fda); |
| 4120 |
break;
|
| 4121 |
#ifdef TARGET_I386
|
| 4122 |
case QEMU_OPTION_no_fd_bootchk:
|
| 4123 |
fd_bootchk = 0;
|
| 4124 |
break;
|
| 4125 |
#endif
|
| 4126 |
case QEMU_OPTION_netdev:
|
| 4127 |
if (net_client_parse(&qemu_netdev_opts, optarg) == -1) { |
| 4128 |
exit(1);
|
| 4129 |
} |
| 4130 |
break;
|
| 4131 |
case QEMU_OPTION_net:
|
| 4132 |
if (net_client_parse(&qemu_net_opts, optarg) == -1) { |
| 4133 |
exit(1);
|
| 4134 |
} |
| 4135 |
break;
|
| 4136 |
#ifdef CONFIG_SLIRP
|
| 4137 |
case QEMU_OPTION_tftp:
|
| 4138 |
legacy_tftp_prefix = optarg; |
| 4139 |
break;
|
| 4140 |
case QEMU_OPTION_bootp:
|
| 4141 |
legacy_bootp_filename = optarg; |
| 4142 |
break;
|
| 4143 |
#ifndef _WIN32
|
| 4144 |
case QEMU_OPTION_smb:
|
| 4145 |
if (net_slirp_smb(optarg) < 0) |
| 4146 |
exit(1);
|
| 4147 |
break;
|
| 4148 |
#endif
|
| 4149 |
case QEMU_OPTION_redir:
|
| 4150 |
if (net_slirp_redir(optarg) < 0) |
| 4151 |
exit(1);
|
| 4152 |
break;
|
| 4153 |
#endif
|
| 4154 |
case QEMU_OPTION_bt:
|
| 4155 |
add_device_config(DEV_BT, optarg); |
| 4156 |
break;
|
| 4157 |
#ifdef HAS_AUDIO
|
| 4158 |
case QEMU_OPTION_audio_help:
|
| 4159 |
AUD_help (); |
| 4160 |
exit (0);
|
| 4161 |
break;
|
| 4162 |
case QEMU_OPTION_soundhw:
|
| 4163 |
select_soundhw (optarg); |
| 4164 |
break;
|
| 4165 |
#endif
|
| 4166 |
case QEMU_OPTION_h:
|
| 4167 |
help(0);
|
| 4168 |
break;
|
| 4169 |
case QEMU_OPTION_version:
|
| 4170 |
version(); |
| 4171 |
exit(0);
|
| 4172 |
break;
|
| 4173 |
case QEMU_OPTION_m: {
|
| 4174 |
uint64_t value; |
| 4175 |
char *ptr;
|
| 4176 |
|
| 4177 |
value = strtoul(optarg, &ptr, 10);
|
| 4178 |
switch (*ptr) {
|
| 4179 |
case 0: case 'M': case 'm': |
| 4180 |
value <<= 20;
|
| 4181 |
break;
|
| 4182 |
case 'G': case 'g': |
| 4183 |
value <<= 30;
|
| 4184 |
break;
|
| 4185 |
default:
|
| 4186 |
fprintf(stderr, "qemu: invalid ram size: %s\n", optarg);
|
| 4187 |
exit(1);
|
| 4188 |
} |
| 4189 |
|
| 4190 |
/* On 32-bit hosts, QEMU is limited by virtual address space */
|
| 4191 |
if (value > (2047 << 20) && HOST_LONG_BITS == 32) { |
| 4192 |
fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
|
| 4193 |
exit(1);
|
| 4194 |
} |
| 4195 |
if (value != (uint64_t)(ram_addr_t)value) {
|
| 4196 |
fprintf(stderr, "qemu: ram size too large\n");
|
| 4197 |
exit(1);
|
| 4198 |
} |
| 4199 |
ram_size = value; |
| 4200 |
break;
|
| 4201 |
} |
| 4202 |
case QEMU_OPTION_mempath:
|
| 4203 |
mem_path = optarg; |
| 4204 |
break;
|
| 4205 |
#ifdef MAP_POPULATE
|
| 4206 |
case QEMU_OPTION_mem_prealloc:
|
| 4207 |
mem_prealloc = 1;
|
| 4208 |
break;
|
| 4209 |
#endif
|
| 4210 |
case QEMU_OPTION_d:
|
| 4211 |
{
|
| 4212 |
int mask;
|
| 4213 |
const CPULogItem *item;
|
| 4214 |
|
| 4215 |
mask = cpu_str_to_log_mask(optarg); |
| 4216 |
if (!mask) {
|
| 4217 |
printf("Log items (comma separated):\n");
|
| 4218 |
for(item = cpu_log_items; item->mask != 0; item++) { |
| 4219 |
printf("%-10s %s\n", item->name, item->help);
|
| 4220 |
} |
| 4221 |
exit(1);
|
| 4222 |
} |
| 4223 |
cpu_set_log(mask); |
| 4224 |
} |
| 4225 |
break;
|
| 4226 |
case QEMU_OPTION_s:
|
| 4227 |
gdbstub_dev = "tcp::" DEFAULT_GDBSTUB_PORT;
|
| 4228 |
break;
|
| 4229 |
case QEMU_OPTION_gdb:
|
| 4230 |
gdbstub_dev = optarg; |
| 4231 |
break;
|
| 4232 |
case QEMU_OPTION_L:
|
| 4233 |
data_dir = optarg; |
| 4234 |
break;
|
| 4235 |
case QEMU_OPTION_bios:
|
| 4236 |
bios_name = optarg; |
| 4237 |
break;
|
| 4238 |
case QEMU_OPTION_singlestep:
|
| 4239 |
singlestep = 1;
|
| 4240 |
break;
|
| 4241 |
case QEMU_OPTION_S:
|
| 4242 |
autostart = 0;
|
| 4243 |
break;
|
| 4244 |
case QEMU_OPTION_k:
|
| 4245 |
keyboard_layout = optarg; |
| 4246 |
break;
|
| 4247 |
case QEMU_OPTION_localtime:
|
| 4248 |
rtc_utc = 0;
|
| 4249 |
break;
|
| 4250 |
case QEMU_OPTION_vga:
|
| 4251 |
select_vgahw (optarg); |
| 4252 |
break;
|
| 4253 |
#if defined(TARGET_PPC) || defined(TARGET_SPARC)
|
| 4254 |
case QEMU_OPTION_g:
|
| 4255 |
{
|
| 4256 |
const char *p; |
| 4257 |
int w, h, depth;
|
| 4258 |
p = optarg; |
| 4259 |
w = strtol(p, (char **)&p, 10); |
| 4260 |
if (w <= 0) { |
| 4261 |
graphic_error:
|
| 4262 |
fprintf(stderr, "qemu: invalid resolution or depth\n");
|
| 4263 |
exit(1);
|
| 4264 |
} |
| 4265 |
if (*p != 'x') |
| 4266 |
goto graphic_error;
|
| 4267 |
p++; |
| 4268 |
h = strtol(p, (char **)&p, 10); |
| 4269 |
if (h <= 0) |
| 4270 |
goto graphic_error;
|
| 4271 |
if (*p == 'x') { |
| 4272 |
p++; |
| 4273 |
depth = strtol(p, (char **)&p, 10); |
| 4274 |
if (depth != 8 && depth != 15 && depth != 16 && |
| 4275 |
depth != 24 && depth != 32) |
| 4276 |
goto graphic_error;
|
| 4277 |
} else if (*p == '\0') { |
| 4278 |
depth = graphic_depth; |
| 4279 |
} else {
|
| 4280 |
goto graphic_error;
|
| 4281 |
} |
| 4282 |
|
| 4283 |
graphic_width = w; |
| 4284 |
graphic_height = h; |
| 4285 |
graphic_depth = depth; |
| 4286 |
} |
| 4287 |
break;
|
| 4288 |
#endif
|
| 4289 |
case QEMU_OPTION_echr:
|
| 4290 |
{
|
| 4291 |
char *r;
|
| 4292 |
term_escape_char = strtol(optarg, &r, 0);
|
| 4293 |
if (r == optarg)
|
| 4294 |
printf("Bad argument to echr\n");
|
| 4295 |
break;
|
| 4296 |
} |
| 4297 |
case QEMU_OPTION_monitor:
|
| 4298 |
monitor_parse(optarg, "readline");
|
| 4299 |
default_monitor = 0;
|
| 4300 |
break;
|
| 4301 |
case QEMU_OPTION_qmp:
|
| 4302 |
monitor_parse(optarg, "control");
|
| 4303 |
default_qmp = 0;
|
| 4304 |
break;
|
| 4305 |
case QEMU_OPTION_mon:
|
| 4306 |
opts = qemu_opts_parse(&qemu_mon_opts, optarg, 1);
|
| 4307 |
if (!opts) {
|
| 4308 |
fprintf(stderr, "parse error: %s\n", optarg);
|
| 4309 |
exit(1);
|
| 4310 |
} else {
|
| 4311 |
const char *mode; |
| 4312 |
mode = qemu_opt_get(opts, "mode");
|
| 4313 |
if (mode == NULL || strcmp(mode, "readline") == 0) { |
| 4314 |
default_monitor = 0;
|
| 4315 |
} else if (strcmp(mode, "control") == 0) { |
| 4316 |
default_qmp = 0;
|
| 4317 |
} |
| 4318 |
} |
| 4319 |
break;
|
| 4320 |
case QEMU_OPTION_chardev:
|
| 4321 |
opts = qemu_opts_parse(&qemu_chardev_opts, optarg, 1);
|
| 4322 |
if (!opts) {
|
| 4323 |
fprintf(stderr, "parse error: %s\n", optarg);
|
| 4324 |
exit(1);
|
| 4325 |
} |
| 4326 |
break;
|
| 4327 |
case QEMU_OPTION_serial:
|
| 4328 |
add_device_config(DEV_SERIAL, optarg); |
| 4329 |
default_serial = 0;
|
| 4330 |
if (strncmp(optarg, "mon:", 4) == 0) { |
| 4331 |
default_monitor = 0;
|
| 4332 |
} |
| 4333 |
break;
|
| 4334 |
case QEMU_OPTION_watchdog:
|
| 4335 |
if (watchdog) {
|
| 4336 |
fprintf(stderr, |
| 4337 |
"qemu: only one watchdog option may be given\n");
|
| 4338 |
return 1; |
| 4339 |
} |
| 4340 |
watchdog = optarg; |
| 4341 |
break;
|
| 4342 |
case QEMU_OPTION_watchdog_action:
|
| 4343 |
if (select_watchdog_action(optarg) == -1) { |
| 4344 |
fprintf(stderr, "Unknown -watchdog-action parameter\n");
|
| 4345 |
exit(1);
|
| 4346 |
} |
| 4347 |
break;
|
| 4348 |
case QEMU_OPTION_virtiocon:
|
| 4349 |
add_device_config(DEV_VIRTCON, optarg); |
| 4350 |
default_virtcon = 0;
|
| 4351 |
if (strncmp(optarg, "mon:", 4) == 0) { |
| 4352 |
default_monitor = 0;
|
| 4353 |
} |
| 4354 |
break;
|
| 4355 |
case QEMU_OPTION_parallel:
|
| 4356 |
add_device_config(DEV_PARALLEL, optarg); |
| 4357 |
default_parallel = 0;
|
| 4358 |
if (strncmp(optarg, "mon:", 4) == 0) { |
| 4359 |
default_monitor = 0;
|
| 4360 |
} |
| 4361 |
break;
|
| 4362 |
case QEMU_OPTION_debugcon:
|
| 4363 |
add_device_config(DEV_DEBUGCON, optarg); |
| 4364 |
break;
|
| 4365 |
case QEMU_OPTION_loadvm:
|
| 4366 |
loadvm = optarg; |
| 4367 |
break;
|
| 4368 |
case QEMU_OPTION_full_screen:
|
| 4369 |
full_screen = 1;
|
| 4370 |
break;
|
| 4371 |
#ifdef CONFIG_SDL
|
| 4372 |
case QEMU_OPTION_no_frame:
|
| 4373 |
no_frame = 1;
|
| 4374 |
break;
|
| 4375 |
case QEMU_OPTION_alt_grab:
|
| 4376 |
alt_grab = 1;
|
| 4377 |
break;
|
| 4378 |
case QEMU_OPTION_ctrl_grab:
|
| 4379 |
ctrl_grab = 1;
|
| 4380 |
break;
|
| 4381 |
case QEMU_OPTION_no_quit:
|
| 4382 |
no_quit = 1;
|
| 4383 |
break;
|
| 4384 |
case QEMU_OPTION_sdl:
|
| 4385 |
display_type = DT_SDL; |
| 4386 |
break;
|
| 4387 |
#endif
|
| 4388 |
case QEMU_OPTION_pidfile:
|
| 4389 |
pid_file = optarg; |
| 4390 |
break;
|
| 4391 |
#ifdef TARGET_I386
|
| 4392 |
case QEMU_OPTION_win2k_hack:
|
| 4393 |
win2k_install_hack = 1;
|
| 4394 |
break;
|
| 4395 |
case QEMU_OPTION_rtc_td_hack:
|
| 4396 |
rtc_td_hack = 1;
|
| 4397 |
break;
|
| 4398 |
case QEMU_OPTION_acpitable:
|
| 4399 |
if(acpi_table_add(optarg) < 0) { |
| 4400 |
fprintf(stderr, "Wrong acpi table provided\n");
|
| 4401 |
exit(1);
|
| 4402 |
} |
| 4403 |
break;
|
| 4404 |
case QEMU_OPTION_smbios:
|
| 4405 |
if(smbios_entry_add(optarg) < 0) { |
| 4406 |
fprintf(stderr, "Wrong smbios provided\n");
|
| 4407 |
exit(1);
|
| 4408 |
} |
| 4409 |
break;
|
| 4410 |
#endif
|
| 4411 |
#ifdef CONFIG_KVM
|
| 4412 |
case QEMU_OPTION_enable_kvm:
|
| 4413 |
kvm_allowed = 1;
|
| 4414 |
break;
|
| 4415 |
#endif
|
| 4416 |
case QEMU_OPTION_usb:
|
| 4417 |
usb_enabled = 1;
|
| 4418 |
break;
|
| 4419 |
case QEMU_OPTION_usbdevice:
|
| 4420 |
usb_enabled = 1;
|
| 4421 |
add_device_config(DEV_USB, optarg); |
| 4422 |
break;
|
| 4423 |
case QEMU_OPTION_device:
|
| 4424 |
if (!qemu_opts_parse(&qemu_device_opts, optarg, 1)) { |
| 4425 |
exit(1);
|
| 4426 |
} |
| 4427 |
break;
|
| 4428 |
case QEMU_OPTION_smp:
|
| 4429 |
smp_parse(optarg); |
| 4430 |
if (smp_cpus < 1) { |
| 4431 |
fprintf(stderr, "Invalid number of CPUs\n");
|
| 4432 |
exit(1);
|
| 4433 |
} |
| 4434 |
if (max_cpus < smp_cpus) {
|
| 4435 |
fprintf(stderr, "maxcpus must be equal to or greater than "
|
| 4436 |
"smp\n");
|
| 4437 |
exit(1);
|
| 4438 |
} |
| 4439 |
if (max_cpus > 255) { |
| 4440 |
fprintf(stderr, "Unsupported number of maxcpus\n");
|
| 4441 |
exit(1);
|
| 4442 |
} |
| 4443 |
break;
|
| 4444 |
case QEMU_OPTION_vnc:
|
| 4445 |
display_type = DT_VNC; |
| 4446 |
vnc_display = optarg; |
| 4447 |
break;
|
| 4448 |
#ifdef TARGET_I386
|
| 4449 |
case QEMU_OPTION_no_acpi:
|
| 4450 |
acpi_enabled = 0;
|
| 4451 |
break;
|
| 4452 |
case QEMU_OPTION_no_hpet:
|
| 4453 |
no_hpet = 1;
|
| 4454 |
break;
|
| 4455 |
case QEMU_OPTION_balloon:
|
| 4456 |
if (balloon_parse(optarg) < 0) { |
| 4457 |
fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
|
| 4458 |
exit(1);
|
| 4459 |
} |
| 4460 |
break;
|
| 4461 |
#endif
|
| 4462 |
case QEMU_OPTION_no_reboot:
|
| 4463 |
no_reboot = 1;
|
| 4464 |
break;
|
| 4465 |
case QEMU_OPTION_no_shutdown:
|
| 4466 |
no_shutdown = 1;
|
| 4467 |
break;
|
| 4468 |
case QEMU_OPTION_show_cursor:
|
| 4469 |
cursor_hide = 0;
|
| 4470 |
break;
|
| 4471 |
case QEMU_OPTION_uuid:
|
| 4472 |
if(qemu_uuid_parse(optarg, qemu_uuid) < 0) { |
| 4473 |
fprintf(stderr, "Fail to parse UUID string."
|
| 4474 |
" Wrong format.\n");
|
| 4475 |
exit(1);
|
| 4476 |
} |
| 4477 |
break;
|
| 4478 |
#ifndef _WIN32
|
| 4479 |
case QEMU_OPTION_daemonize:
|
| 4480 |
daemonize = 1;
|
| 4481 |
break;
|
| 4482 |
#endif
|
| 4483 |
case QEMU_OPTION_option_rom:
|
| 4484 |
if (nb_option_roms >= MAX_OPTION_ROMS) {
|
| 4485 |
fprintf(stderr, "Too many option ROMs\n");
|
| 4486 |
exit(1);
|
| 4487 |
} |
| 4488 |
option_rom[nb_option_roms] = optarg; |
| 4489 |
nb_option_roms++; |
| 4490 |
break;
|
| 4491 |
#if defined(TARGET_ARM) || defined(TARGET_M68K)
|
| 4492 |
case QEMU_OPTION_semihosting:
|
| 4493 |
semihosting_enabled = 1;
|
| 4494 |
break;
|
| 4495 |
#endif
|
| 4496 |
case QEMU_OPTION_name:
|
| 4497 |
qemu_name = qemu_strdup(optarg); |
| 4498 |
{
|
| 4499 |
char *p = strchr(qemu_name, ','); |
| 4500 |
if (p != NULL) { |
| 4501 |
*p++ = 0;
|
| 4502 |
if (strncmp(p, "process=", 8)) { |
| 4503 |
fprintf(stderr, "Unknown subargument %s to -name", p);
|
| 4504 |
exit(1);
|
| 4505 |
} |
| 4506 |
p += 8;
|
| 4507 |
set_proc_name(p); |
| 4508 |
} |
| 4509 |
} |
| 4510 |
break;
|
| 4511 |
#if defined(TARGET_SPARC) || defined(TARGET_PPC)
|
| 4512 |
case QEMU_OPTION_prom_env:
|
| 4513 |
if (nb_prom_envs >= MAX_PROM_ENVS) {
|
| 4514 |
fprintf(stderr, "Too many prom variables\n");
|
| 4515 |
exit(1);
|
| 4516 |
} |
| 4517 |
prom_envs[nb_prom_envs] = optarg; |
| 4518 |
nb_prom_envs++; |
| 4519 |
break;
|
| 4520 |
#endif
|
| 4521 |
#ifdef TARGET_ARM
|
| 4522 |
case QEMU_OPTION_old_param:
|
| 4523 |
old_param = 1;
|
| 4524 |
break;
|
| 4525 |
#endif
|
| 4526 |
case QEMU_OPTION_clock:
|
| 4527 |
configure_alarms(optarg); |
| 4528 |
break;
|
| 4529 |
case QEMU_OPTION_startdate:
|
| 4530 |
configure_rtc_date_offset(optarg, 1);
|
| 4531 |
break;
|
| 4532 |
case QEMU_OPTION_rtc:
|
| 4533 |
opts = qemu_opts_parse(&qemu_rtc_opts, optarg, 0);
|
| 4534 |
if (!opts) {
|
| 4535 |
fprintf(stderr, "parse error: %s\n", optarg);
|
| 4536 |
exit(1);
|
| 4537 |
} |
| 4538 |
configure_rtc(opts); |
| 4539 |
break;
|
| 4540 |
case QEMU_OPTION_tb_size:
|
| 4541 |
tb_size = strtol(optarg, NULL, 0); |
| 4542 |
if (tb_size < 0) |
| 4543 |
tb_size = 0;
|
| 4544 |
break;
|
| 4545 |
case QEMU_OPTION_icount:
|
| 4546 |
icount_option = optarg; |
| 4547 |
break;
|
| 4548 |
case QEMU_OPTION_incoming:
|
| 4549 |
incoming = optarg; |
| 4550 |
break;
|
| 4551 |
case QEMU_OPTION_nodefaults:
|
| 4552 |
default_serial = 0;
|
| 4553 |
default_parallel = 0;
|
| 4554 |
default_virtcon = 0;
|
| 4555 |
default_monitor = 0;
|
| 4556 |
default_qmp = 0;
|
| 4557 |
default_vga = 0;
|
| 4558 |
default_net = 0;
|
| 4559 |
default_floppy = 0;
|
| 4560 |
default_cdrom = 0;
|
| 4561 |
default_sdcard = 0;
|
| 4562 |
break;
|
| 4563 |
#ifndef _WIN32
|
| 4564 |
case QEMU_OPTION_chroot:
|
| 4565 |
chroot_dir = optarg; |
| 4566 |
break;
|
| 4567 |
case QEMU_OPTION_runas:
|
| 4568 |
run_as = optarg; |
| 4569 |
break;
|
| 4570 |
#endif
|
| 4571 |
#ifdef CONFIG_XEN
|
| 4572 |
case QEMU_OPTION_xen_domid:
|
| 4573 |
xen_domid = atoi(optarg); |
| 4574 |
break;
|
| 4575 |
case QEMU_OPTION_xen_create:
|
| 4576 |
xen_mode = XEN_CREATE; |
| 4577 |
break;
|
| 4578 |
case QEMU_OPTION_xen_attach:
|
| 4579 |
xen_mode = XEN_ATTACH; |
| 4580 |
break;
|
| 4581 |
#endif
|
| 4582 |
case QEMU_OPTION_readconfig:
|
| 4583 |
{
|
| 4584 |
FILE *fp; |
| 4585 |
fp = fopen(optarg, "r");
|
| 4586 |
if (fp == NULL) { |
| 4587 |
fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
|
| 4588 |
exit(1);
|
| 4589 |
} |
| 4590 |
if (qemu_config_parse(fp, optarg) != 0) { |
| 4591 |
exit(1);
|
| 4592 |
} |
| 4593 |
fclose(fp); |
| 4594 |
break;
|
| 4595 |
} |
| 4596 |
case QEMU_OPTION_writeconfig:
|
| 4597 |
{
|
| 4598 |
FILE *fp; |
| 4599 |
if (strcmp(optarg, "-") == 0) { |
| 4600 |
fp = stdout; |
| 4601 |
} else {
|
| 4602 |
fp = fopen(optarg, "w");
|
| 4603 |
if (fp == NULL) { |
| 4604 |
fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
|
| 4605 |
exit(1);
|
| 4606 |
} |
| 4607 |
} |
| 4608 |
qemu_config_write(fp); |
| 4609 |
fclose(fp); |
| 4610 |
break;
|
| 4611 |
} |
| 4612 |
} |
| 4613 |
} |
| 4614 |
} |
| 4615 |
loc_set_none(); |
| 4616 |
|
| 4617 |
/* If no data_dir is specified then try to find it relative to the
|
| 4618 |
executable path. */
|
| 4619 |
if (!data_dir) {
|
| 4620 |
data_dir = find_datadir(argv[0]);
|
| 4621 |
} |
| 4622 |
/* If all else fails use the install patch specified when building. */
|
| 4623 |
if (!data_dir) {
|
| 4624 |
data_dir = CONFIG_QEMU_SHAREDIR; |
| 4625 |
} |
| 4626 |
|
| 4627 |
/*
|
| 4628 |
* Default to max_cpus = smp_cpus, in case the user doesn't
|
| 4629 |
* specify a max_cpus value.
|
| 4630 |
*/
|
| 4631 |
if (!max_cpus)
|
| 4632 |
max_cpus = smp_cpus; |
| 4633 |
|
| 4634 |
machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */ |
| 4635 |
if (smp_cpus > machine->max_cpus) {
|
| 4636 |
fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
|
| 4637 |
"supported by machine `%s' (%d)\n", smp_cpus, machine->name,
|
| 4638 |
machine->max_cpus); |
| 4639 |
exit(1);
|
| 4640 |
} |
| 4641 |
|
| 4642 |
qemu_opts_foreach(&qemu_device_opts, default_driver_check, NULL, 0); |
| 4643 |
qemu_opts_foreach(&qemu_global_opts, default_driver_check, NULL, 0); |
| 4644 |
|
| 4645 |
if (machine->no_serial) {
|
| 4646 |
default_serial = 0;
|
| 4647 |
} |
| 4648 |
if (machine->no_parallel) {
|
| 4649 |
default_parallel = 0;
|
| 4650 |
} |
| 4651 |
if (!machine->use_virtcon) {
|
| 4652 |
default_virtcon = 0;
|
| 4653 |
} |
| 4654 |
if (machine->no_vga) {
|
| 4655 |
default_vga = 0;
|
| 4656 |
} |
| 4657 |
if (machine->no_floppy) {
|
| 4658 |
default_floppy = 0;
|
| 4659 |
} |
| 4660 |
if (machine->no_cdrom) {
|
| 4661 |
default_cdrom = 0;
|
| 4662 |
} |
| 4663 |
if (machine->no_sdcard) {
|
| 4664 |
default_sdcard = 0;
|
| 4665 |
} |
| 4666 |
|
| 4667 |
if (display_type == DT_NOGRAPHIC) {
|
| 4668 |
if (default_parallel)
|
| 4669 |
add_device_config(DEV_PARALLEL, "null");
|
| 4670 |
if (default_serial && default_monitor) {
|
| 4671 |
add_device_config(DEV_SERIAL, "mon:stdio");
|
| 4672 |
} else if (default_virtcon && default_monitor) { |
| 4673 |
add_device_config(DEV_VIRTCON, "mon:stdio");
|
| 4674 |
} else {
|
| 4675 |
if (default_serial)
|
| 4676 |
add_device_config(DEV_SERIAL, "stdio");
|
| 4677 |
if (default_virtcon)
|
| 4678 |
add_device_config(DEV_VIRTCON, "stdio");
|
| 4679 |
if (default_monitor)
|
| 4680 |
monitor_parse("stdio", "readline"); |
| 4681 |
} |
| 4682 |
} else {
|
| 4683 |
if (default_serial)
|
| 4684 |
add_device_config(DEV_SERIAL, "vc:80Cx24C");
|
| 4685 |
if (default_parallel)
|
| 4686 |
add_device_config(DEV_PARALLEL, "vc:80Cx24C");
|
| 4687 |
if (default_monitor)
|
| 4688 |
monitor_parse("vc:80Cx24C", "readline"); |
| 4689 |
if (default_virtcon)
|
| 4690 |
add_device_config(DEV_VIRTCON, "vc:80Cx24C");
|
| 4691 |
} |
| 4692 |
if (default_qmp) {
|
| 4693 |
qmp_add_default(); |
| 4694 |
} |
| 4695 |
if (default_vga)
|
| 4696 |
vga_interface_type = VGA_CIRRUS; |
| 4697 |
|
| 4698 |
if (qemu_opts_foreach(&qemu_chardev_opts, chardev_init_func, NULL, 1) != 0) |
| 4699 |
exit(1);
|
| 4700 |
|
| 4701 |
#ifndef _WIN32
|
| 4702 |
if (daemonize) {
|
| 4703 |
pid_t pid; |
| 4704 |
|
| 4705 |
if (pipe(fds) == -1) |
| 4706 |
exit(1);
|
| 4707 |
|
| 4708 |
pid = fork(); |
| 4709 |
if (pid > 0) { |
| 4710 |
uint8_t status; |
| 4711 |
ssize_t len; |
| 4712 |
|
| 4713 |
close(fds[1]);
|
| 4714 |
|
| 4715 |
again:
|
| 4716 |
len = read(fds[0], &status, 1); |
| 4717 |
if (len == -1 && (errno == EINTR)) |
| 4718 |
goto again;
|
| 4719 |
|
| 4720 |
if (len != 1) |
| 4721 |
exit(1);
|
| 4722 |
else if (status == 1) { |
| 4723 |
fprintf(stderr, "Could not acquire pidfile: %s\n", strerror(errno));
|
| 4724 |
exit(1);
|
| 4725 |
} else
|
| 4726 |
exit(0);
|
| 4727 |
} else if (pid < 0) |
| 4728 |
exit(1);
|
| 4729 |
|
| 4730 |
close(fds[0]);
|
| 4731 |
qemu_set_cloexec(fds[1]);
|
| 4732 |
|
| 4733 |
setsid(); |
| 4734 |
|
| 4735 |
pid = fork(); |
| 4736 |
if (pid > 0) |
| 4737 |
exit(0);
|
| 4738 |
else if (pid < 0) |
| 4739 |
exit(1);
|
| 4740 |
|
| 4741 |
umask(027);
|
| 4742 |
|
| 4743 |
signal(SIGTSTP, SIG_IGN); |
| 4744 |
signal(SIGTTOU, SIG_IGN); |
| 4745 |
signal(SIGTTIN, SIG_IGN); |
| 4746 |
} |
| 4747 |
#endif
|
| 4748 |
|
| 4749 |
if (pid_file && qemu_create_pidfile(pid_file) != 0) { |
| 4750 |
#ifndef _WIN32
|
| 4751 |
if (daemonize) {
|
| 4752 |
uint8_t status = 1;
|
| 4753 |
if (write(fds[1], &status, 1) != 1) { |
| 4754 |
perror("daemonize. Writing to pipe\n");
|
| 4755 |
} |
| 4756 |
} else
|
| 4757 |
#endif
|
| 4758 |
fprintf(stderr, "Could not acquire pid file: %s\n", strerror(errno));
|
| 4759 |
exit(1);
|
| 4760 |
} |
| 4761 |
|
| 4762 |
if (kvm_enabled()) {
|
| 4763 |
int ret;
|
| 4764 |
|
| 4765 |
ret = kvm_init(smp_cpus); |
| 4766 |
if (ret < 0) { |
| 4767 |
fprintf(stderr, "failed to initialize KVM\n");
|
| 4768 |
exit(1);
|
| 4769 |
} |
| 4770 |
} |
| 4771 |
|
| 4772 |
if (qemu_init_main_loop()) {
|
| 4773 |
fprintf(stderr, "qemu_init_main_loop failed\n");
|
| 4774 |
exit(1);
|
| 4775 |
} |
| 4776 |
linux_boot = (kernel_filename != NULL);
|
| 4777 |
|
| 4778 |
if (!linux_boot && *kernel_cmdline != '\0') { |
| 4779 |
fprintf(stderr, "-append only allowed with -kernel option\n");
|
| 4780 |
exit(1);
|
| 4781 |
} |
| 4782 |
|
| 4783 |
if (!linux_boot && initrd_filename != NULL) { |
| 4784 |
fprintf(stderr, "-initrd only allowed with -kernel option\n");
|
| 4785 |
exit(1);
|
| 4786 |
} |
| 4787 |
|
| 4788 |
#ifndef _WIN32
|
| 4789 |
/* Win32 doesn't support line-buffering and requires size >= 2 */
|
| 4790 |
setvbuf(stdout, NULL, _IOLBF, 0); |
| 4791 |
#endif
|
| 4792 |
|
| 4793 |
if (init_timer_alarm() < 0) { |
| 4794 |
fprintf(stderr, "could not initialize alarm timer\n");
|
| 4795 |
exit(1);
|
| 4796 |
} |
| 4797 |
configure_icount(icount_option); |
| 4798 |
|
| 4799 |
#ifdef _WIN32
|
| 4800 |
socket_init(); |
| 4801 |
#endif
|
| 4802 |
|
| 4803 |
if (net_init_clients() < 0) { |
| 4804 |
exit(1);
|
| 4805 |
} |
| 4806 |
|
| 4807 |
net_boot = (boot_devices_bitmap >> ('n' - 'a')) & 0xF; |
| 4808 |
net_set_boot_mask(net_boot); |
| 4809 |
|
| 4810 |
/* init the bluetooth world */
|
| 4811 |
if (foreach_device_config(DEV_BT, bt_parse))
|
| 4812 |
exit(1);
|
| 4813 |
|
| 4814 |
/* init the memory */
|
| 4815 |
if (ram_size == 0) |
| 4816 |
ram_size = DEFAULT_RAM_SIZE * 1024 * 1024; |
| 4817 |
|
| 4818 |
/* init the dynamic translator */
|
| 4819 |
cpu_exec_init_all(tb_size * 1024 * 1024); |
| 4820 |
|
| 4821 |
bdrv_init_with_whitelist(); |
| 4822 |
|
| 4823 |
blk_mig_init(); |
| 4824 |
|
| 4825 |
if (default_cdrom) {
|
| 4826 |
/* we always create the cdrom drive, even if no disk is there */
|
| 4827 |
drive_add(NULL, CDROM_ALIAS);
|
| 4828 |
} |
| 4829 |
|
| 4830 |
if (default_floppy) {
|
| 4831 |
/* we always create at least one floppy */
|
| 4832 |
drive_add(NULL, FD_ALIAS, 0); |
| 4833 |
} |
| 4834 |
|
| 4835 |
if (default_sdcard) {
|
| 4836 |
/* we always create one sd slot, even if no card is in it */
|
| 4837 |
drive_add(NULL, SD_ALIAS);
|
| 4838 |
} |
| 4839 |
|
| 4840 |
/* open the virtual block devices */
|
| 4841 |
if (snapshot)
|
| 4842 |
qemu_opts_foreach(&qemu_drive_opts, drive_enable_snapshot, NULL, 0); |
| 4843 |
if (qemu_opts_foreach(&qemu_drive_opts, drive_init_func, machine, 1) != 0) |
| 4844 |
exit(1);
|
| 4845 |
|
| 4846 |
register_savevm_live("ram", 0, 3, NULL, ram_save_live, NULL, |
| 4847 |
ram_load, NULL);
|
| 4848 |
|
| 4849 |
if (nb_numa_nodes > 0) { |
| 4850 |
int i;
|
| 4851 |
|
| 4852 |
if (nb_numa_nodes > smp_cpus) {
|
| 4853 |
nb_numa_nodes = smp_cpus; |
| 4854 |
} |
| 4855 |
|
| 4856 |
/* If no memory size if given for any node, assume the default case
|
| 4857 |
* and distribute the available memory equally across all nodes
|
| 4858 |
*/
|
| 4859 |
for (i = 0; i < nb_numa_nodes; i++) { |
| 4860 |
if (node_mem[i] != 0) |
| 4861 |
break;
|
| 4862 |
} |
| 4863 |
if (i == nb_numa_nodes) {
|
| 4864 |
uint64_t usedmem = 0;
|
| 4865 |
|
| 4866 |
/* On Linux, the each node's border has to be 8MB aligned,
|
| 4867 |
* the final node gets the rest.
|
| 4868 |
*/
|
| 4869 |
for (i = 0; i < nb_numa_nodes - 1; i++) { |
| 4870 |
node_mem[i] = (ram_size / nb_numa_nodes) & ~((1 << 23UL) - 1); |
| 4871 |
usedmem += node_mem[i]; |
| 4872 |
} |
| 4873 |
node_mem[i] = ram_size - usedmem; |
| 4874 |
} |
| 4875 |
|
| 4876 |
for (i = 0; i < nb_numa_nodes; i++) { |
| 4877 |
if (node_cpumask[i] != 0) |
| 4878 |
break;
|
| 4879 |
} |
| 4880 |
/* assigning the VCPUs round-robin is easier to implement, guest OSes
|
| 4881 |
* must cope with this anyway, because there are BIOSes out there in
|
| 4882 |
* real machines which also use this scheme.
|
| 4883 |
*/
|
| 4884 |
if (i == nb_numa_nodes) {
|
| 4885 |
for (i = 0; i < smp_cpus; i++) { |
| 4886 |
node_cpumask[i % nb_numa_nodes] |= 1 << i;
|
| 4887 |
} |
| 4888 |
} |
| 4889 |
} |
| 4890 |
|
| 4891 |
if (foreach_device_config(DEV_SERIAL, serial_parse) < 0) |
| 4892 |
exit(1);
|
| 4893 |
if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0) |
| 4894 |
exit(1);
|
| 4895 |
if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0) |
| 4896 |
exit(1);
|
| 4897 |
if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0) |
| 4898 |
exit(1);
|
| 4899 |
|
| 4900 |
module_call_init(MODULE_INIT_DEVICE); |
| 4901 |
|
| 4902 |
if (qemu_opts_foreach(&qemu_device_opts, device_help_func, NULL, 0) != 0) |
| 4903 |
exit(0);
|
| 4904 |
|
| 4905 |
if (watchdog) {
|
| 4906 |
i = select_watchdog(watchdog); |
| 4907 |
if (i > 0) |
| 4908 |
exit (i == 1 ? 1 : 0); |
| 4909 |
} |
| 4910 |
|
| 4911 |
if (machine->compat_props) {
|
| 4912 |
qdev_prop_register_global_list(machine->compat_props); |
| 4913 |
} |
| 4914 |
qemu_add_globals(); |
| 4915 |
|
| 4916 |
machine->init(ram_size, boot_devices, |
| 4917 |
kernel_filename, kernel_cmdline, initrd_filename, cpu_model); |
| 4918 |
|
| 4919 |
cpu_synchronize_all_post_init(); |
| 4920 |
|
| 4921 |
#ifndef _WIN32
|
| 4922 |
/* must be after terminal init, SDL library changes signal handlers */
|
| 4923 |
sighandler_setup(); |
| 4924 |
#endif
|
| 4925 |
|
| 4926 |
for (env = first_cpu; env != NULL; env = env->next_cpu) { |
| 4927 |
for (i = 0; i < nb_numa_nodes; i++) { |
| 4928 |
if (node_cpumask[i] & (1 << env->cpu_index)) { |
| 4929 |
env->numa_node = i; |
| 4930 |
} |
| 4931 |
} |
| 4932 |
} |
| 4933 |
|
| 4934 |
current_machine = machine; |
| 4935 |
|
| 4936 |
/* init USB devices */
|
| 4937 |
if (usb_enabled) {
|
| 4938 |
if (foreach_device_config(DEV_USB, usb_parse) < 0) |
| 4939 |
exit(1);
|
| 4940 |
} |
| 4941 |
|
| 4942 |
/* init generic devices */
|
| 4943 |
if (qemu_opts_foreach(&qemu_device_opts, device_init_func, NULL, 1) != 0) |
| 4944 |
exit(1);
|
| 4945 |
|
| 4946 |
net_check_clients(); |
| 4947 |
|
| 4948 |
/* just use the first displaystate for the moment */
|
| 4949 |
ds = get_displaystate(); |
| 4950 |
|
| 4951 |
if (display_type == DT_DEFAULT) {
|
| 4952 |
#if defined(CONFIG_SDL) || defined(CONFIG_COCOA)
|
| 4953 |
display_type = DT_SDL; |
| 4954 |
#else
|
| 4955 |
display_type = DT_VNC; |
| 4956 |
vnc_display = "localhost:0,to=99";
|
| 4957 |
show_vnc_port = 1;
|
| 4958 |
#endif
|
| 4959 |
} |
| 4960 |
|
| 4961 |
|
| 4962 |
switch (display_type) {
|
| 4963 |
case DT_NOGRAPHIC:
|
| 4964 |
break;
|
| 4965 |
#if defined(CONFIG_CURSES)
|
| 4966 |
case DT_CURSES:
|
| 4967 |
curses_display_init(ds, full_screen); |
| 4968 |
break;
|
| 4969 |
#endif
|
| 4970 |
#if defined(CONFIG_SDL)
|
| 4971 |
case DT_SDL:
|
| 4972 |
sdl_display_init(ds, full_screen, no_frame); |
| 4973 |
break;
|
| 4974 |
#elif defined(CONFIG_COCOA)
|
| 4975 |
case DT_SDL:
|
| 4976 |
cocoa_display_init(ds, full_screen); |
| 4977 |
break;
|
| 4978 |
#endif
|
| 4979 |
case DT_VNC:
|
| 4980 |
vnc_display_init(ds); |
| 4981 |
if (vnc_display_open(ds, vnc_display) < 0) |
| 4982 |
exit(1);
|
| 4983 |
|
| 4984 |
if (show_vnc_port) {
|
| 4985 |
printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
|
| 4986 |
} |
| 4987 |
break;
|
| 4988 |
default:
|
| 4989 |
break;
|
| 4990 |
} |
| 4991 |
dpy_resize(ds); |
| 4992 |
|
| 4993 |
dcl = ds->listeners; |
| 4994 |
while (dcl != NULL) { |
| 4995 |
if (dcl->dpy_refresh != NULL) { |
| 4996 |
ds->gui_timer = qemu_new_timer(rt_clock, gui_update, ds); |
| 4997 |
qemu_mod_timer(ds->gui_timer, qemu_get_clock(rt_clock)); |
| 4998 |
} |
| 4999 |
dcl = dcl->next; |
| 5000 |
} |
| 5001 |
|
| 5002 |
if (display_type == DT_NOGRAPHIC || display_type == DT_VNC) {
|
| 5003 |
nographic_timer = qemu_new_timer(rt_clock, nographic_update, NULL);
|
| 5004 |
qemu_mod_timer(nographic_timer, qemu_get_clock(rt_clock)); |
| 5005 |
} |
| 5006 |
|
| 5007 |
text_consoles_set_display(ds); |
| 5008 |
|
| 5009 |
if (qemu_opts_foreach(&qemu_mon_opts, mon_init_func, NULL, 1) != 0) |
| 5010 |
exit(1);
|
| 5011 |
|
| 5012 |
if (gdbstub_dev && gdbserver_start(gdbstub_dev) < 0) { |
| 5013 |
fprintf(stderr, "qemu: could not open gdbserver on device '%s'\n",
|
| 5014 |
gdbstub_dev); |
| 5015 |
exit(1);
|
| 5016 |
} |
| 5017 |
|
| 5018 |
qdev_machine_creation_done(); |
| 5019 |
|
| 5020 |
if (rom_load_all() != 0) { |
| 5021 |
fprintf(stderr, "rom loading failed\n");
|
| 5022 |
exit(1);
|
| 5023 |
} |
| 5024 |
|
| 5025 |
qemu_system_reset(); |
| 5026 |
if (loadvm) {
|
| 5027 |
if (load_vmstate(loadvm) < 0) { |
| 5028 |
autostart = 0;
|
| 5029 |
} |
| 5030 |
} |
| 5031 |
|
| 5032 |
if (incoming) {
|
| 5033 |
qemu_start_incoming_migration(incoming); |
| 5034 |
} else if (autostart) { |
| 5035 |
vm_start(); |
| 5036 |
} |
| 5037 |
|
| 5038 |
#ifndef _WIN32
|
| 5039 |
if (daemonize) {
|
| 5040 |
uint8_t status = 0;
|
| 5041 |
ssize_t len; |
| 5042 |
|
| 5043 |
again1:
|
| 5044 |
len = write(fds[1], &status, 1); |
| 5045 |
if (len == -1 && (errno == EINTR)) |
| 5046 |
goto again1;
|
| 5047 |
|
| 5048 |
if (len != 1) |
| 5049 |
exit(1);
|
| 5050 |
|
| 5051 |
if (chdir("/")) { |
| 5052 |
perror("not able to chdir to /");
|
| 5053 |
exit(1);
|
| 5054 |
} |
| 5055 |
TFR(fd = qemu_open("/dev/null", O_RDWR));
|
| 5056 |
if (fd == -1) |
| 5057 |
exit(1);
|
| 5058 |
} |
| 5059 |
|
| 5060 |
if (run_as) {
|
| 5061 |
pwd = getpwnam(run_as); |
| 5062 |
if (!pwd) {
|
| 5063 |
fprintf(stderr, "User \"%s\" doesn't exist\n", run_as);
|
| 5064 |
exit(1);
|
| 5065 |
} |
| 5066 |
} |
| 5067 |
|
| 5068 |
if (chroot_dir) {
|
| 5069 |
if (chroot(chroot_dir) < 0) { |
| 5070 |
fprintf(stderr, "chroot failed\n");
|
| 5071 |
exit(1);
|
| 5072 |
} |
| 5073 |
if (chdir("/")) { |
| 5074 |
perror("not able to chdir to /");
|
| 5075 |
exit(1);
|
| 5076 |
} |
| 5077 |
} |
| 5078 |
|
| 5079 |
if (run_as) {
|
| 5080 |
if (setgid(pwd->pw_gid) < 0) { |
| 5081 |
fprintf(stderr, "Failed to setgid(%d)\n", pwd->pw_gid);
|
| 5082 |
exit(1);
|
| 5083 |
} |
| 5084 |
if (setuid(pwd->pw_uid) < 0) { |
| 5085 |
fprintf(stderr, "Failed to setuid(%d)\n", pwd->pw_uid);
|
| 5086 |
exit(1);
|
| 5087 |
} |
| 5088 |
if (setuid(0) != -1) { |
| 5089 |
fprintf(stderr, "Dropping privileges failed\n");
|
| 5090 |
exit(1);
|
| 5091 |
} |
| 5092 |
} |
| 5093 |
|
| 5094 |
if (daemonize) {
|
| 5095 |
dup2(fd, 0);
|
| 5096 |
dup2(fd, 1);
|
| 5097 |
dup2(fd, 2);
|
| 5098 |
|
| 5099 |
close(fd); |
| 5100 |
} |
| 5101 |
#endif
|
| 5102 |
|
| 5103 |
main_loop(); |
| 5104 |
quit_timers(); |
| 5105 |
net_cleanup(); |
| 5106 |
|
| 5107 |
return 0; |
| 5108 |
} |