24646c7ed8
Signed-off-by: Christoph Egger <Christoph.Egger@amd.com> git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5646 c046a42c-6fe2-441c-8c8c-71466251a162
6417 lines
167 KiB
C
6417 lines
167 KiB
C
/*
|
|
* QEMU System Emulator
|
|
*
|
|
* Copyright (c) 2003-2008 Fabrice Bellard
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
* of this software and associated documentation files (the "Software"), to deal
|
|
* in the Software without restriction, including without limitation the rights
|
|
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
* copies of the Software, and to permit persons to whom the Software is
|
|
* furnished to do so, subject to the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice shall be included in
|
|
* all copies or substantial portions of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
|
|
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
|
* THE SOFTWARE.
|
|
*/
|
|
#include "hw/hw.h"
|
|
#include "hw/boards.h"
|
|
#include "hw/usb.h"
|
|
#include "hw/pcmcia.h"
|
|
#include "hw/pc.h"
|
|
#include "hw/audiodev.h"
|
|
#include "hw/isa.h"
|
|
#include "hw/baum.h"
|
|
#include "hw/bt.h"
|
|
#include "net.h"
|
|
#include "console.h"
|
|
#include "sysemu.h"
|
|
#include "gdbstub.h"
|
|
#include "qemu-timer.h"
|
|
#include "qemu-char.h"
|
|
#include "block.h"
|
|
#include "audio/audio.h"
|
|
#include "migration.h"
|
|
#include "kvm.h"
|
|
|
|
#include <unistd.h>
|
|
#include <fcntl.h>
|
|
#include <signal.h>
|
|
#include <time.h>
|
|
#include <errno.h>
|
|
#include <sys/time.h>
|
|
#include <zlib.h>
|
|
|
|
#ifndef _WIN32
|
|
#include <sys/times.h>
|
|
#include <sys/wait.h>
|
|
#include <termios.h>
|
|
#include <sys/mman.h>
|
|
#include <sys/ioctl.h>
|
|
#include <sys/resource.h>
|
|
#include <sys/socket.h>
|
|
#include <netinet/in.h>
|
|
#include <net/if.h>
|
|
#if defined(__NetBSD__)
|
|
#include <net/if_tap.h>
|
|
#endif
|
|
#ifdef __linux__
|
|
#include <linux/if_tun.h>
|
|
#endif
|
|
#include <arpa/inet.h>
|
|
#include <dirent.h>
|
|
#include <netdb.h>
|
|
#include <sys/select.h>
|
|
#ifdef _BSD
|
|
#include <sys/stat.h>
|
|
#ifdef __FreeBSD__
|
|
#include <libutil.h>
|
|
#else
|
|
#include <util.h>
|
|
#endif
|
|
#elif defined (__GLIBC__) && defined (__FreeBSD_kernel__)
|
|
#include <freebsd/stdlib.h>
|
|
#else
|
|
#ifdef __linux__
|
|
#include <pty.h>
|
|
#include <malloc.h>
|
|
#include <linux/rtc.h>
|
|
|
|
/* For the benefit of older linux systems which don't supply it,
|
|
we use a local copy of hpet.h. */
|
|
/* #include <linux/hpet.h> */
|
|
#include "hpet.h"
|
|
|
|
#include <linux/ppdev.h>
|
|
#include <linux/parport.h>
|
|
#endif
|
|
#ifdef __sun__
|
|
#include <sys/stat.h>
|
|
#include <sys/ethernet.h>
|
|
#include <sys/sockio.h>
|
|
#include <netinet/arp.h>
|
|
#include <netinet/in.h>
|
|
#include <netinet/in_systm.h>
|
|
#include <netinet/ip.h>
|
|
#include <netinet/ip_icmp.h> // must come after ip.h
|
|
#include <netinet/udp.h>
|
|
#include <netinet/tcp.h>
|
|
#include <net/if.h>
|
|
#include <syslog.h>
|
|
#include <stropts.h>
|
|
#endif
|
|
#endif
|
|
#endif
|
|
|
|
#include "qemu_socket.h"
|
|
|
|
#if defined(CONFIG_SLIRP)
|
|
#include "libslirp.h"
|
|
#endif
|
|
|
|
#if defined(__OpenBSD__)
|
|
#include <util.h>
|
|
#endif
|
|
|
|
#if defined(CONFIG_VDE)
|
|
#include <libvdeplug.h>
|
|
#endif
|
|
|
|
#ifdef _WIN32
|
|
#include <malloc.h>
|
|
#include <sys/timeb.h>
|
|
#include <mmsystem.h>
|
|
#define getopt_long_only getopt_long
|
|
#define memalign(align, size) malloc(size)
|
|
#endif
|
|
|
|
#ifdef CONFIG_SDL
|
|
#ifdef __APPLE__
|
|
#include <SDL/SDL.h>
|
|
#endif
|
|
#endif /* CONFIG_SDL */
|
|
|
|
#ifdef CONFIG_COCOA
|
|
#undef main
|
|
#define main qemu_main
|
|
#endif /* CONFIG_COCOA */
|
|
|
|
#include "disas.h"
|
|
|
|
#include "exec-all.h"
|
|
|
|
#define DEFAULT_NETWORK_SCRIPT "/etc/qemu-ifup"
|
|
#define DEFAULT_NETWORK_DOWN_SCRIPT "/etc/qemu-ifdown"
|
|
#ifdef __sun__
|
|
#define SMBD_COMMAND "/usr/sfw/sbin/smbd"
|
|
#else
|
|
#define SMBD_COMMAND "/usr/sbin/smbd"
|
|
#endif
|
|
|
|
//#define DEBUG_UNUSED_IOPORT
|
|
//#define DEBUG_IOPORT
|
|
//#define DEBUG_NET
|
|
//#define DEBUG_SLIRP
|
|
|
|
#ifdef TARGET_PPC
|
|
#define DEFAULT_RAM_SIZE 144
|
|
#else
|
|
#define DEFAULT_RAM_SIZE 128
|
|
#endif
|
|
|
|
/* Max number of USB devices that can be specified on the commandline. */
|
|
#define MAX_USB_CMDLINE 8
|
|
|
|
/* XXX: use a two level table to limit memory usage */
|
|
#define MAX_IOPORTS 65536
|
|
|
|
const char *bios_dir = CONFIG_QEMU_SHAREDIR;
|
|
const char *bios_name = NULL;
|
|
static void *ioport_opaque[MAX_IOPORTS];
|
|
static IOPortReadFunc *ioport_read_table[3][MAX_IOPORTS];
|
|
static IOPortWriteFunc *ioport_write_table[3][MAX_IOPORTS];
|
|
/* Note: drives_table[MAX_DRIVES] is a dummy block driver if none available
|
|
to store the VM snapshots */
|
|
DriveInfo drives_table[MAX_DRIVES+1];
|
|
int nb_drives;
|
|
/* point to the block driver where the snapshots are managed */
|
|
static BlockDriverState *bs_snapshots;
|
|
static int vga_ram_size;
|
|
enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
|
|
DisplayState display_state;
|
|
int nographic;
|
|
static int curses;
|
|
const char* keyboard_layout = NULL;
|
|
int64_t ticks_per_sec;
|
|
ram_addr_t ram_size;
|
|
int nb_nics;
|
|
NICInfo nd_table[MAX_NICS];
|
|
int vm_running;
|
|
static int rtc_utc = 1;
|
|
static int rtc_date_offset = -1; /* -1 means no change */
|
|
int cirrus_vga_enabled = 1;
|
|
int vmsvga_enabled = 0;
|
|
#ifdef TARGET_SPARC
|
|
int graphic_width = 1024;
|
|
int graphic_height = 768;
|
|
int graphic_depth = 8;
|
|
#else
|
|
int graphic_width = 800;
|
|
int graphic_height = 600;
|
|
int graphic_depth = 15;
|
|
#endif
|
|
static int full_screen = 0;
|
|
static int no_frame = 0;
|
|
int no_quit = 0;
|
|
CharDriverState *serial_hds[MAX_SERIAL_PORTS];
|
|
CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
|
|
#ifdef TARGET_I386
|
|
int win2k_install_hack = 0;
|
|
#endif
|
|
int usb_enabled = 0;
|
|
int smp_cpus = 1;
|
|
const char *vnc_display;
|
|
int acpi_enabled = 1;
|
|
int fd_bootchk = 1;
|
|
int no_reboot = 0;
|
|
int no_shutdown = 0;
|
|
int cursor_hide = 1;
|
|
int graphic_rotate = 0;
|
|
int daemonize = 0;
|
|
const char *option_rom[MAX_OPTION_ROMS];
|
|
int nb_option_roms;
|
|
int semihosting_enabled = 0;
|
|
#ifdef TARGET_ARM
|
|
int old_param = 0;
|
|
#endif
|
|
const char *qemu_name;
|
|
int alt_grab = 0;
|
|
#ifdef TARGET_SPARC
|
|
unsigned int nb_prom_envs = 0;
|
|
const char *prom_envs[MAX_PROM_ENVS];
|
|
#endif
|
|
static int nb_drives_opt;
|
|
static struct drive_opt {
|
|
const char *file;
|
|
char opt[1024];
|
|
} drives_opt[MAX_DRIVES];
|
|
|
|
static CPUState *cur_cpu;
|
|
static CPUState *next_cpu;
|
|
static int event_pending = 1;
|
|
/* Conversion factor from emulated instructions to virtual clock ticks. */
|
|
static int icount_time_shift;
|
|
/* Arbitrarily pick 1MIPS as the minimum allowable speed. */
|
|
#define MAX_ICOUNT_SHIFT 10
|
|
/* Compensate for varying guest execution speed. */
|
|
static int64_t qemu_icount_bias;
|
|
static QEMUTimer *icount_rt_timer;
|
|
static QEMUTimer *icount_vm_timer;
|
|
|
|
uint8_t qemu_uuid[16];
|
|
|
|
/***********************************************************/
|
|
/* x86 ISA bus support */
|
|
|
|
target_phys_addr_t isa_mem_base = 0;
|
|
PicState2 *isa_pic;
|
|
|
|
static IOPortReadFunc default_ioport_readb, default_ioport_readw, default_ioport_readl;
|
|
static IOPortWriteFunc default_ioport_writeb, default_ioport_writew, default_ioport_writel;
|
|
|
|
static uint32_t ioport_read(int index, uint32_t address)
|
|
{
|
|
static IOPortReadFunc *default_func[3] = {
|
|
default_ioport_readb,
|
|
default_ioport_readw,
|
|
default_ioport_readl
|
|
};
|
|
IOPortReadFunc *func = ioport_read_table[index][address];
|
|
if (!func)
|
|
func = default_func[index];
|
|
return func(ioport_opaque[address], address);
|
|
}
|
|
|
|
static void ioport_write(int index, uint32_t address, uint32_t data)
|
|
{
|
|
static IOPortWriteFunc *default_func[3] = {
|
|
default_ioport_writeb,
|
|
default_ioport_writew,
|
|
default_ioport_writel
|
|
};
|
|
IOPortWriteFunc *func = ioport_write_table[index][address];
|
|
if (!func)
|
|
func = default_func[index];
|
|
func(ioport_opaque[address], address, data);
|
|
}
|
|
|
|
static uint32_t default_ioport_readb(void *opaque, uint32_t address)
|
|
{
|
|
#ifdef DEBUG_UNUSED_IOPORT
|
|
fprintf(stderr, "unused inb: port=0x%04x\n", address);
|
|
#endif
|
|
return 0xff;
|
|
}
|
|
|
|
static void default_ioport_writeb(void *opaque, uint32_t address, uint32_t data)
|
|
{
|
|
#ifdef DEBUG_UNUSED_IOPORT
|
|
fprintf(stderr, "unused outb: port=0x%04x data=0x%02x\n", address, data);
|
|
#endif
|
|
}
|
|
|
|
/* default is to make two byte accesses */
|
|
static uint32_t default_ioport_readw(void *opaque, uint32_t address)
|
|
{
|
|
uint32_t data;
|
|
data = ioport_read(0, address);
|
|
address = (address + 1) & (MAX_IOPORTS - 1);
|
|
data |= ioport_read(0, address) << 8;
|
|
return data;
|
|
}
|
|
|
|
static void default_ioport_writew(void *opaque, uint32_t address, uint32_t data)
|
|
{
|
|
ioport_write(0, address, data & 0xff);
|
|
address = (address + 1) & (MAX_IOPORTS - 1);
|
|
ioport_write(0, address, (data >> 8) & 0xff);
|
|
}
|
|
|
|
static uint32_t default_ioport_readl(void *opaque, uint32_t address)
|
|
{
|
|
#ifdef DEBUG_UNUSED_IOPORT
|
|
fprintf(stderr, "unused inl: port=0x%04x\n", address);
|
|
#endif
|
|
return 0xffffffff;
|
|
}
|
|
|
|
static void default_ioport_writel(void *opaque, uint32_t address, uint32_t data)
|
|
{
|
|
#ifdef DEBUG_UNUSED_IOPORT
|
|
fprintf(stderr, "unused outl: port=0x%04x data=0x%02x\n", address, data);
|
|
#endif
|
|
}
|
|
|
|
/* size is the word size in byte */
|
|
int register_ioport_read(int start, int length, int size,
|
|
IOPortReadFunc *func, void *opaque)
|
|
{
|
|
int i, bsize;
|
|
|
|
if (size == 1) {
|
|
bsize = 0;
|
|
} else if (size == 2) {
|
|
bsize = 1;
|
|
} else if (size == 4) {
|
|
bsize = 2;
|
|
} else {
|
|
hw_error("register_ioport_read: invalid size");
|
|
return -1;
|
|
}
|
|
for(i = start; i < start + length; i += size) {
|
|
ioport_read_table[bsize][i] = func;
|
|
if (ioport_opaque[i] != NULL && ioport_opaque[i] != opaque)
|
|
hw_error("register_ioport_read: invalid opaque");
|
|
ioport_opaque[i] = opaque;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/* size is the word size in byte */
|
|
int register_ioport_write(int start, int length, int size,
|
|
IOPortWriteFunc *func, void *opaque)
|
|
{
|
|
int i, bsize;
|
|
|
|
if (size == 1) {
|
|
bsize = 0;
|
|
} else if (size == 2) {
|
|
bsize = 1;
|
|
} else if (size == 4) {
|
|
bsize = 2;
|
|
} else {
|
|
hw_error("register_ioport_write: invalid size");
|
|
return -1;
|
|
}
|
|
for(i = start; i < start + length; i += size) {
|
|
ioport_write_table[bsize][i] = func;
|
|
if (ioport_opaque[i] != NULL && ioport_opaque[i] != opaque)
|
|
hw_error("register_ioport_write: invalid opaque");
|
|
ioport_opaque[i] = opaque;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
void isa_unassign_ioport(int start, int length)
|
|
{
|
|
int i;
|
|
|
|
for(i = start; i < start + length; i++) {
|
|
ioport_read_table[0][i] = default_ioport_readb;
|
|
ioport_read_table[1][i] = default_ioport_readw;
|
|
ioport_read_table[2][i] = default_ioport_readl;
|
|
|
|
ioport_write_table[0][i] = default_ioport_writeb;
|
|
ioport_write_table[1][i] = default_ioport_writew;
|
|
ioport_write_table[2][i] = default_ioport_writel;
|
|
}
|
|
}
|
|
|
|
/***********************************************************/
|
|
|
|
void cpu_outb(CPUState *env, int addr, int val)
|
|
{
|
|
#ifdef DEBUG_IOPORT
|
|
if (loglevel & CPU_LOG_IOPORT)
|
|
fprintf(logfile, "outb: %04x %02x\n", addr, val);
|
|
#endif
|
|
ioport_write(0, addr, val);
|
|
#ifdef USE_KQEMU
|
|
if (env)
|
|
env->last_io_time = cpu_get_time_fast();
|
|
#endif
|
|
}
|
|
|
|
void cpu_outw(CPUState *env, int addr, int val)
|
|
{
|
|
#ifdef DEBUG_IOPORT
|
|
if (loglevel & CPU_LOG_IOPORT)
|
|
fprintf(logfile, "outw: %04x %04x\n", addr, val);
|
|
#endif
|
|
ioport_write(1, addr, val);
|
|
#ifdef USE_KQEMU
|
|
if (env)
|
|
env->last_io_time = cpu_get_time_fast();
|
|
#endif
|
|
}
|
|
|
|
void cpu_outl(CPUState *env, int addr, int val)
|
|
{
|
|
#ifdef DEBUG_IOPORT
|
|
if (loglevel & CPU_LOG_IOPORT)
|
|
fprintf(logfile, "outl: %04x %08x\n", addr, val);
|
|
#endif
|
|
ioport_write(2, addr, val);
|
|
#ifdef USE_KQEMU
|
|
if (env)
|
|
env->last_io_time = cpu_get_time_fast();
|
|
#endif
|
|
}
|
|
|
|
int cpu_inb(CPUState *env, int addr)
|
|
{
|
|
int val;
|
|
val = ioport_read(0, addr);
|
|
#ifdef DEBUG_IOPORT
|
|
if (loglevel & CPU_LOG_IOPORT)
|
|
fprintf(logfile, "inb : %04x %02x\n", addr, val);
|
|
#endif
|
|
#ifdef USE_KQEMU
|
|
if (env)
|
|
env->last_io_time = cpu_get_time_fast();
|
|
#endif
|
|
return val;
|
|
}
|
|
|
|
int cpu_inw(CPUState *env, int addr)
|
|
{
|
|
int val;
|
|
val = ioport_read(1, addr);
|
|
#ifdef DEBUG_IOPORT
|
|
if (loglevel & CPU_LOG_IOPORT)
|
|
fprintf(logfile, "inw : %04x %04x\n", addr, val);
|
|
#endif
|
|
#ifdef USE_KQEMU
|
|
if (env)
|
|
env->last_io_time = cpu_get_time_fast();
|
|
#endif
|
|
return val;
|
|
}
|
|
|
|
int cpu_inl(CPUState *env, int addr)
|
|
{
|
|
int val;
|
|
val = ioport_read(2, addr);
|
|
#ifdef DEBUG_IOPORT
|
|
if (loglevel & CPU_LOG_IOPORT)
|
|
fprintf(logfile, "inl : %04x %08x\n", addr, val);
|
|
#endif
|
|
#ifdef USE_KQEMU
|
|
if (env)
|
|
env->last_io_time = cpu_get_time_fast();
|
|
#endif
|
|
return val;
|
|
}
|
|
|
|
/***********************************************************/
|
|
void hw_error(const char *fmt, ...)
|
|
{
|
|
va_list ap;
|
|
CPUState *env;
|
|
|
|
va_start(ap, fmt);
|
|
fprintf(stderr, "qemu: hardware error: ");
|
|
vfprintf(stderr, fmt, ap);
|
|
fprintf(stderr, "\n");
|
|
for(env = first_cpu; env != NULL; env = env->next_cpu) {
|
|
fprintf(stderr, "CPU #%d:\n", env->cpu_index);
|
|
#ifdef TARGET_I386
|
|
cpu_dump_state(env, stderr, fprintf, X86_DUMP_FPU);
|
|
#else
|
|
cpu_dump_state(env, stderr, fprintf, 0);
|
|
#endif
|
|
}
|
|
va_end(ap);
|
|
abort();
|
|
}
|
|
|
|
/***********************************************************/
|
|
/* keyboard/mouse */
|
|
|
|
static QEMUPutKBDEvent *qemu_put_kbd_event;
|
|
static void *qemu_put_kbd_event_opaque;
|
|
static QEMUPutMouseEntry *qemu_put_mouse_event_head;
|
|
static QEMUPutMouseEntry *qemu_put_mouse_event_current;
|
|
|
|
void qemu_add_kbd_event_handler(QEMUPutKBDEvent *func, void *opaque)
|
|
{
|
|
qemu_put_kbd_event_opaque = opaque;
|
|
qemu_put_kbd_event = func;
|
|
}
|
|
|
|
QEMUPutMouseEntry *qemu_add_mouse_event_handler(QEMUPutMouseEvent *func,
|
|
void *opaque, int absolute,
|
|
const char *name)
|
|
{
|
|
QEMUPutMouseEntry *s, *cursor;
|
|
|
|
s = qemu_mallocz(sizeof(QEMUPutMouseEntry));
|
|
if (!s)
|
|
return NULL;
|
|
|
|
s->qemu_put_mouse_event = func;
|
|
s->qemu_put_mouse_event_opaque = opaque;
|
|
s->qemu_put_mouse_event_absolute = absolute;
|
|
s->qemu_put_mouse_event_name = qemu_strdup(name);
|
|
s->next = NULL;
|
|
|
|
if (!qemu_put_mouse_event_head) {
|
|
qemu_put_mouse_event_head = qemu_put_mouse_event_current = s;
|
|
return s;
|
|
}
|
|
|
|
cursor = qemu_put_mouse_event_head;
|
|
while (cursor->next != NULL)
|
|
cursor = cursor->next;
|
|
|
|
cursor->next = s;
|
|
qemu_put_mouse_event_current = s;
|
|
|
|
return s;
|
|
}
|
|
|
|
void qemu_remove_mouse_event_handler(QEMUPutMouseEntry *entry)
|
|
{
|
|
QEMUPutMouseEntry *prev = NULL, *cursor;
|
|
|
|
if (!qemu_put_mouse_event_head || entry == NULL)
|
|
return;
|
|
|
|
cursor = qemu_put_mouse_event_head;
|
|
while (cursor != NULL && cursor != entry) {
|
|
prev = cursor;
|
|
cursor = cursor->next;
|
|
}
|
|
|
|
if (cursor == NULL) // does not exist or list empty
|
|
return;
|
|
else if (prev == NULL) { // entry is head
|
|
qemu_put_mouse_event_head = cursor->next;
|
|
if (qemu_put_mouse_event_current == entry)
|
|
qemu_put_mouse_event_current = cursor->next;
|
|
qemu_free(entry->qemu_put_mouse_event_name);
|
|
qemu_free(entry);
|
|
return;
|
|
}
|
|
|
|
prev->next = entry->next;
|
|
|
|
if (qemu_put_mouse_event_current == entry)
|
|
qemu_put_mouse_event_current = prev;
|
|
|
|
qemu_free(entry->qemu_put_mouse_event_name);
|
|
qemu_free(entry);
|
|
}
|
|
|
|
void kbd_put_keycode(int keycode)
|
|
{
|
|
if (qemu_put_kbd_event) {
|
|
qemu_put_kbd_event(qemu_put_kbd_event_opaque, keycode);
|
|
}
|
|
}
|
|
|
|
void kbd_mouse_event(int dx, int dy, int dz, int buttons_state)
|
|
{
|
|
QEMUPutMouseEvent *mouse_event;
|
|
void *mouse_event_opaque;
|
|
int width;
|
|
|
|
if (!qemu_put_mouse_event_current) {
|
|
return;
|
|
}
|
|
|
|
mouse_event =
|
|
qemu_put_mouse_event_current->qemu_put_mouse_event;
|
|
mouse_event_opaque =
|
|
qemu_put_mouse_event_current->qemu_put_mouse_event_opaque;
|
|
|
|
if (mouse_event) {
|
|
if (graphic_rotate) {
|
|
if (qemu_put_mouse_event_current->qemu_put_mouse_event_absolute)
|
|
width = 0x7fff;
|
|
else
|
|
width = graphic_width - 1;
|
|
mouse_event(mouse_event_opaque,
|
|
width - dy, dx, dz, buttons_state);
|
|
} else
|
|
mouse_event(mouse_event_opaque,
|
|
dx, dy, dz, buttons_state);
|
|
}
|
|
}
|
|
|
|
int kbd_mouse_is_absolute(void)
|
|
{
|
|
if (!qemu_put_mouse_event_current)
|
|
return 0;
|
|
|
|
return qemu_put_mouse_event_current->qemu_put_mouse_event_absolute;
|
|
}
|
|
|
|
void do_info_mice(void)
|
|
{
|
|
QEMUPutMouseEntry *cursor;
|
|
int index = 0;
|
|
|
|
if (!qemu_put_mouse_event_head) {
|
|
term_printf("No mouse devices connected\n");
|
|
return;
|
|
}
|
|
|
|
term_printf("Mouse devices available:\n");
|
|
cursor = qemu_put_mouse_event_head;
|
|
while (cursor != NULL) {
|
|
term_printf("%c Mouse #%d: %s\n",
|
|
(cursor == qemu_put_mouse_event_current ? '*' : ' '),
|
|
index, cursor->qemu_put_mouse_event_name);
|
|
index++;
|
|
cursor = cursor->next;
|
|
}
|
|
}
|
|
|
|
void do_mouse_set(int index)
|
|
{
|
|
QEMUPutMouseEntry *cursor;
|
|
int i = 0;
|
|
|
|
if (!qemu_put_mouse_event_head) {
|
|
term_printf("No mouse devices connected\n");
|
|
return;
|
|
}
|
|
|
|
cursor = qemu_put_mouse_event_head;
|
|
while (cursor != NULL && index != i) {
|
|
i++;
|
|
cursor = cursor->next;
|
|
}
|
|
|
|
if (cursor != NULL)
|
|
qemu_put_mouse_event_current = cursor;
|
|
else
|
|
term_printf("Mouse at given index not found\n");
|
|
}
|
|
|
|
/* compute with 96 bit intermediate result: (a*b)/c */
|
|
uint64_t muldiv64(uint64_t a, uint32_t b, uint32_t c)
|
|
{
|
|
union {
|
|
uint64_t ll;
|
|
struct {
|
|
#ifdef WORDS_BIGENDIAN
|
|
uint32_t high, low;
|
|
#else
|
|
uint32_t low, high;
|
|
#endif
|
|
} l;
|
|
} u, res;
|
|
uint64_t rl, rh;
|
|
|
|
u.ll = a;
|
|
rl = (uint64_t)u.l.low * (uint64_t)b;
|
|
rh = (uint64_t)u.l.high * (uint64_t)b;
|
|
rh += (rl >> 32);
|
|
res.l.high = rh / c;
|
|
res.l.low = (((rh % c) << 32) + (rl & 0xffffffff)) / c;
|
|
return res.ll;
|
|
}
|
|
|
|
/***********************************************************/
|
|
/* real time host monotonic timer */
|
|
|
|
#define QEMU_TIMER_BASE 1000000000LL
|
|
|
|
#ifdef WIN32
|
|
|
|
static int64_t clock_freq;
|
|
|
|
static void init_get_clock(void)
|
|
{
|
|
LARGE_INTEGER freq;
|
|
int ret;
|
|
ret = QueryPerformanceFrequency(&freq);
|
|
if (ret == 0) {
|
|
fprintf(stderr, "Could not calibrate ticks\n");
|
|
exit(1);
|
|
}
|
|
clock_freq = freq.QuadPart;
|
|
}
|
|
|
|
static int64_t get_clock(void)
|
|
{
|
|
LARGE_INTEGER ti;
|
|
QueryPerformanceCounter(&ti);
|
|
return muldiv64(ti.QuadPart, QEMU_TIMER_BASE, clock_freq);
|
|
}
|
|
|
|
#else
|
|
|
|
static int use_rt_clock;
|
|
|
|
static void init_get_clock(void)
|
|
{
|
|
use_rt_clock = 0;
|
|
#if defined(__linux__) || (defined(__FreeBSD__) && __FreeBSD_version >= 500000)
|
|
{
|
|
struct timespec ts;
|
|
if (clock_gettime(CLOCK_MONOTONIC, &ts) == 0) {
|
|
use_rt_clock = 1;
|
|
}
|
|
}
|
|
#endif
|
|
}
|
|
|
|
static int64_t get_clock(void)
|
|
{
|
|
#if defined(__linux__) || (defined(__FreeBSD__) && __FreeBSD_version >= 500000)
|
|
if (use_rt_clock) {
|
|
struct timespec ts;
|
|
clock_gettime(CLOCK_MONOTONIC, &ts);
|
|
return ts.tv_sec * 1000000000LL + ts.tv_nsec;
|
|
} else
|
|
#endif
|
|
{
|
|
/* XXX: using gettimeofday leads to problems if the date
|
|
changes, so it should be avoided. */
|
|
struct timeval tv;
|
|
gettimeofday(&tv, NULL);
|
|
return tv.tv_sec * 1000000000LL + (tv.tv_usec * 1000);
|
|
}
|
|
}
|
|
#endif
|
|
|
|
/* Return the virtual CPU time, based on the instruction counter. */
|
|
static int64_t cpu_get_icount(void)
|
|
{
|
|
int64_t icount;
|
|
CPUState *env = cpu_single_env;;
|
|
icount = qemu_icount;
|
|
if (env) {
|
|
if (!can_do_io(env))
|
|
fprintf(stderr, "Bad clock read\n");
|
|
icount -= (env->icount_decr.u16.low + env->icount_extra);
|
|
}
|
|
return qemu_icount_bias + (icount << icount_time_shift);
|
|
}
|
|
|
|
/***********************************************************/
|
|
/* guest cycle counter */
|
|
|
|
static int64_t cpu_ticks_prev;
|
|
static int64_t cpu_ticks_offset;
|
|
static int64_t cpu_clock_offset;
|
|
static int cpu_ticks_enabled;
|
|
|
|
/* return the host CPU cycle counter and handle stop/restart */
|
|
int64_t cpu_get_ticks(void)
|
|
{
|
|
if (use_icount) {
|
|
return cpu_get_icount();
|
|
}
|
|
if (!cpu_ticks_enabled) {
|
|
return cpu_ticks_offset;
|
|
} else {
|
|
int64_t ticks;
|
|
ticks = cpu_get_real_ticks();
|
|
if (cpu_ticks_prev > ticks) {
|
|
/* Note: non increasing ticks may happen if the host uses
|
|
software suspend */
|
|
cpu_ticks_offset += cpu_ticks_prev - ticks;
|
|
}
|
|
cpu_ticks_prev = ticks;
|
|
return ticks + cpu_ticks_offset;
|
|
}
|
|
}
|
|
|
|
/* return the host CPU monotonic timer and handle stop/restart */
|
|
static int64_t cpu_get_clock(void)
|
|
{
|
|
int64_t ti;
|
|
if (!cpu_ticks_enabled) {
|
|
return cpu_clock_offset;
|
|
} else {
|
|
ti = get_clock();
|
|
return ti + cpu_clock_offset;
|
|
}
|
|
}
|
|
|
|
/* enable cpu_get_ticks() */
|
|
void cpu_enable_ticks(void)
|
|
{
|
|
if (!cpu_ticks_enabled) {
|
|
cpu_ticks_offset -= cpu_get_real_ticks();
|
|
cpu_clock_offset -= get_clock();
|
|
cpu_ticks_enabled = 1;
|
|
}
|
|
}
|
|
|
|
/* disable cpu_get_ticks() : the clock is stopped. You must not call
|
|
cpu_get_ticks() after that. */
|
|
void cpu_disable_ticks(void)
|
|
{
|
|
if (cpu_ticks_enabled) {
|
|
cpu_ticks_offset = cpu_get_ticks();
|
|
cpu_clock_offset = cpu_get_clock();
|
|
cpu_ticks_enabled = 0;
|
|
}
|
|
}
|
|
|
|
/***********************************************************/
|
|
/* timers */
|
|
|
|
#define QEMU_TIMER_REALTIME 0
|
|
#define QEMU_TIMER_VIRTUAL 1
|
|
|
|
struct QEMUClock {
|
|
int type;
|
|
/* XXX: add frequency */
|
|
};
|
|
|
|
struct QEMUTimer {
|
|
QEMUClock *clock;
|
|
int64_t expire_time;
|
|
QEMUTimerCB *cb;
|
|
void *opaque;
|
|
struct QEMUTimer *next;
|
|
};
|
|
|
|
struct qemu_alarm_timer {
|
|
char const *name;
|
|
unsigned int flags;
|
|
|
|
int (*start)(struct qemu_alarm_timer *t);
|
|
void (*stop)(struct qemu_alarm_timer *t);
|
|
void (*rearm)(struct qemu_alarm_timer *t);
|
|
void *priv;
|
|
};
|
|
|
|
#define ALARM_FLAG_DYNTICKS 0x1
|
|
#define ALARM_FLAG_EXPIRED 0x2
|
|
|
|
static inline int alarm_has_dynticks(struct qemu_alarm_timer *t)
|
|
{
|
|
return t->flags & ALARM_FLAG_DYNTICKS;
|
|
}
|
|
|
|
static void qemu_rearm_alarm_timer(struct qemu_alarm_timer *t)
|
|
{
|
|
if (!alarm_has_dynticks(t))
|
|
return;
|
|
|
|
t->rearm(t);
|
|
}
|
|
|
|
/* TODO: MIN_TIMER_REARM_US should be optimized */
|
|
#define MIN_TIMER_REARM_US 250
|
|
|
|
static struct qemu_alarm_timer *alarm_timer;
|
|
#ifndef _WIN32
|
|
static int alarm_timer_rfd, alarm_timer_wfd;
|
|
#endif
|
|
|
|
#ifdef _WIN32
|
|
|
|
struct qemu_alarm_win32 {
|
|
MMRESULT timerId;
|
|
HANDLE host_alarm;
|
|
unsigned int period;
|
|
} alarm_win32_data = {0, NULL, -1};
|
|
|
|
static int win32_start_timer(struct qemu_alarm_timer *t);
|
|
static void win32_stop_timer(struct qemu_alarm_timer *t);
|
|
static void win32_rearm_timer(struct qemu_alarm_timer *t);
|
|
|
|
#else
|
|
|
|
static int unix_start_timer(struct qemu_alarm_timer *t);
|
|
static void unix_stop_timer(struct qemu_alarm_timer *t);
|
|
|
|
#ifdef __linux__
|
|
|
|
static int dynticks_start_timer(struct qemu_alarm_timer *t);
|
|
static void dynticks_stop_timer(struct qemu_alarm_timer *t);
|
|
static void dynticks_rearm_timer(struct qemu_alarm_timer *t);
|
|
|
|
static int hpet_start_timer(struct qemu_alarm_timer *t);
|
|
static void hpet_stop_timer(struct qemu_alarm_timer *t);
|
|
|
|
static int rtc_start_timer(struct qemu_alarm_timer *t);
|
|
static void rtc_stop_timer(struct qemu_alarm_timer *t);
|
|
|
|
#endif /* __linux__ */
|
|
|
|
#endif /* _WIN32 */
|
|
|
|
/* Correlation between real and virtual time is always going to be
|
|
fairly approximate, so ignore small variation.
|
|
When the guest is idle real and virtual time will be aligned in
|
|
the IO wait loop. */
|
|
#define ICOUNT_WOBBLE (QEMU_TIMER_BASE / 10)
|
|
|
|
static void icount_adjust(void)
|
|
{
|
|
int64_t cur_time;
|
|
int64_t cur_icount;
|
|
int64_t delta;
|
|
static int64_t last_delta;
|
|
/* If the VM is not running, then do nothing. */
|
|
if (!vm_running)
|
|
return;
|
|
|
|
cur_time = cpu_get_clock();
|
|
cur_icount = qemu_get_clock(vm_clock);
|
|
delta = cur_icount - cur_time;
|
|
/* FIXME: This is a very crude algorithm, somewhat prone to oscillation. */
|
|
if (delta > 0
|
|
&& last_delta + ICOUNT_WOBBLE < delta * 2
|
|
&& icount_time_shift > 0) {
|
|
/* The guest is getting too far ahead. Slow time down. */
|
|
icount_time_shift--;
|
|
}
|
|
if (delta < 0
|
|
&& last_delta - ICOUNT_WOBBLE > delta * 2
|
|
&& icount_time_shift < MAX_ICOUNT_SHIFT) {
|
|
/* The guest is getting too far behind. Speed time up. */
|
|
icount_time_shift++;
|
|
}
|
|
last_delta = delta;
|
|
qemu_icount_bias = cur_icount - (qemu_icount << icount_time_shift);
|
|
}
|
|
|
|
static void icount_adjust_rt(void * opaque)
|
|
{
|
|
qemu_mod_timer(icount_rt_timer,
|
|
qemu_get_clock(rt_clock) + 1000);
|
|
icount_adjust();
|
|
}
|
|
|
|
static void icount_adjust_vm(void * opaque)
|
|
{
|
|
qemu_mod_timer(icount_vm_timer,
|
|
qemu_get_clock(vm_clock) + QEMU_TIMER_BASE / 10);
|
|
icount_adjust();
|
|
}
|
|
|
|
static void init_icount_adjust(void)
|
|
{
|
|
/* Have both realtime and virtual time triggers for speed adjustment.
|
|
The realtime trigger catches emulated time passing too slowly,
|
|
the virtual time trigger catches emulated time passing too fast.
|
|
Realtime triggers occur even when idle, so use them less frequently
|
|
than VM triggers. */
|
|
icount_rt_timer = qemu_new_timer(rt_clock, icount_adjust_rt, NULL);
|
|
qemu_mod_timer(icount_rt_timer,
|
|
qemu_get_clock(rt_clock) + 1000);
|
|
icount_vm_timer = qemu_new_timer(vm_clock, icount_adjust_vm, NULL);
|
|
qemu_mod_timer(icount_vm_timer,
|
|
qemu_get_clock(vm_clock) + QEMU_TIMER_BASE / 10);
|
|
}
|
|
|
|
static struct qemu_alarm_timer alarm_timers[] = {
|
|
#ifndef _WIN32
|
|
#ifdef __linux__
|
|
{"dynticks", ALARM_FLAG_DYNTICKS, dynticks_start_timer,
|
|
dynticks_stop_timer, dynticks_rearm_timer, NULL},
|
|
/* HPET - if available - is preferred */
|
|
{"hpet", 0, hpet_start_timer, hpet_stop_timer, NULL, NULL},
|
|
/* ...otherwise try RTC */
|
|
{"rtc", 0, rtc_start_timer, rtc_stop_timer, NULL, NULL},
|
|
#endif
|
|
{"unix", 0, unix_start_timer, unix_stop_timer, NULL, NULL},
|
|
#else
|
|
{"dynticks", ALARM_FLAG_DYNTICKS, win32_start_timer,
|
|
win32_stop_timer, win32_rearm_timer, &alarm_win32_data},
|
|
{"win32", 0, win32_start_timer,
|
|
win32_stop_timer, NULL, &alarm_win32_data},
|
|
#endif
|
|
{NULL, }
|
|
};
|
|
|
|
static void show_available_alarms(void)
|
|
{
|
|
int i;
|
|
|
|
printf("Available alarm timers, in order of precedence:\n");
|
|
for (i = 0; alarm_timers[i].name; i++)
|
|
printf("%s\n", alarm_timers[i].name);
|
|
}
|
|
|
|
static void configure_alarms(char const *opt)
|
|
{
|
|
int i;
|
|
int cur = 0;
|
|
int count = (sizeof(alarm_timers) / sizeof(*alarm_timers)) - 1;
|
|
char *arg;
|
|
char *name;
|
|
struct qemu_alarm_timer tmp;
|
|
|
|
if (!strcmp(opt, "?")) {
|
|
show_available_alarms();
|
|
exit(0);
|
|
}
|
|
|
|
arg = strdup(opt);
|
|
|
|
/* Reorder the array */
|
|
name = strtok(arg, ",");
|
|
while (name) {
|
|
for (i = 0; i < count && alarm_timers[i].name; i++) {
|
|
if (!strcmp(alarm_timers[i].name, name))
|
|
break;
|
|
}
|
|
|
|
if (i == count) {
|
|
fprintf(stderr, "Unknown clock %s\n", name);
|
|
goto next;
|
|
}
|
|
|
|
if (i < cur)
|
|
/* Ignore */
|
|
goto next;
|
|
|
|
/* Swap */
|
|
tmp = alarm_timers[i];
|
|
alarm_timers[i] = alarm_timers[cur];
|
|
alarm_timers[cur] = tmp;
|
|
|
|
cur++;
|
|
next:
|
|
name = strtok(NULL, ",");
|
|
}
|
|
|
|
free(arg);
|
|
|
|
if (cur) {
|
|
/* Disable remaining timers */
|
|
for (i = cur; i < count; i++)
|
|
alarm_timers[i].name = NULL;
|
|
} else {
|
|
show_available_alarms();
|
|
exit(1);
|
|
}
|
|
}
|
|
|
|
QEMUClock *rt_clock;
|
|
QEMUClock *vm_clock;
|
|
|
|
static QEMUTimer *active_timers[2];
|
|
|
|
static QEMUClock *qemu_new_clock(int type)
|
|
{
|
|
QEMUClock *clock;
|
|
clock = qemu_mallocz(sizeof(QEMUClock));
|
|
if (!clock)
|
|
return NULL;
|
|
clock->type = type;
|
|
return clock;
|
|
}
|
|
|
|
QEMUTimer *qemu_new_timer(QEMUClock *clock, QEMUTimerCB *cb, void *opaque)
|
|
{
|
|
QEMUTimer *ts;
|
|
|
|
ts = qemu_mallocz(sizeof(QEMUTimer));
|
|
ts->clock = clock;
|
|
ts->cb = cb;
|
|
ts->opaque = opaque;
|
|
return ts;
|
|
}
|
|
|
|
void qemu_free_timer(QEMUTimer *ts)
|
|
{
|
|
qemu_free(ts);
|
|
}
|
|
|
|
/* stop a timer, but do not dealloc it */
|
|
void qemu_del_timer(QEMUTimer *ts)
|
|
{
|
|
QEMUTimer **pt, *t;
|
|
|
|
/* NOTE: this code must be signal safe because
|
|
qemu_timer_expired() can be called from a signal. */
|
|
pt = &active_timers[ts->clock->type];
|
|
for(;;) {
|
|
t = *pt;
|
|
if (!t)
|
|
break;
|
|
if (t == ts) {
|
|
*pt = t->next;
|
|
break;
|
|
}
|
|
pt = &t->next;
|
|
}
|
|
}
|
|
|
|
/* modify the current timer so that it will be fired when current_time
|
|
>= expire_time. The corresponding callback will be called. */
|
|
void qemu_mod_timer(QEMUTimer *ts, int64_t expire_time)
|
|
{
|
|
QEMUTimer **pt, *t;
|
|
|
|
qemu_del_timer(ts);
|
|
|
|
/* add the timer in the sorted list */
|
|
/* NOTE: this code must be signal safe because
|
|
qemu_timer_expired() can be called from a signal. */
|
|
pt = &active_timers[ts->clock->type];
|
|
for(;;) {
|
|
t = *pt;
|
|
if (!t)
|
|
break;
|
|
if (t->expire_time > expire_time)
|
|
break;
|
|
pt = &t->next;
|
|
}
|
|
ts->expire_time = expire_time;
|
|
ts->next = *pt;
|
|
*pt = ts;
|
|
|
|
/* Rearm if necessary */
|
|
if (pt == &active_timers[ts->clock->type]) {
|
|
if ((alarm_timer->flags & ALARM_FLAG_EXPIRED) == 0) {
|
|
qemu_rearm_alarm_timer(alarm_timer);
|
|
}
|
|
/* Interrupt execution to force deadline recalculation. */
|
|
if (use_icount && cpu_single_env) {
|
|
cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT);
|
|
}
|
|
}
|
|
}
|
|
|
|
int qemu_timer_pending(QEMUTimer *ts)
|
|
{
|
|
QEMUTimer *t;
|
|
for(t = active_timers[ts->clock->type]; t != NULL; t = t->next) {
|
|
if (t == ts)
|
|
return 1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static inline int qemu_timer_expired(QEMUTimer *timer_head, int64_t current_time)
|
|
{
|
|
if (!timer_head)
|
|
return 0;
|
|
return (timer_head->expire_time <= current_time);
|
|
}
|
|
|
|
static void qemu_run_timers(QEMUTimer **ptimer_head, int64_t current_time)
|
|
{
|
|
QEMUTimer *ts;
|
|
|
|
for(;;) {
|
|
ts = *ptimer_head;
|
|
if (!ts || ts->expire_time > current_time)
|
|
break;
|
|
/* remove timer from the list before calling the callback */
|
|
*ptimer_head = ts->next;
|
|
ts->next = NULL;
|
|
|
|
/* run the callback (the timer list can be modified) */
|
|
ts->cb(ts->opaque);
|
|
}
|
|
}
|
|
|
|
int64_t qemu_get_clock(QEMUClock *clock)
|
|
{
|
|
switch(clock->type) {
|
|
case QEMU_TIMER_REALTIME:
|
|
return get_clock() / 1000000;
|
|
default:
|
|
case QEMU_TIMER_VIRTUAL:
|
|
if (use_icount) {
|
|
return cpu_get_icount();
|
|
} else {
|
|
return cpu_get_clock();
|
|
}
|
|
}
|
|
}
|
|
|
|
static void init_timers(void)
|
|
{
|
|
init_get_clock();
|
|
ticks_per_sec = QEMU_TIMER_BASE;
|
|
rt_clock = qemu_new_clock(QEMU_TIMER_REALTIME);
|
|
vm_clock = qemu_new_clock(QEMU_TIMER_VIRTUAL);
|
|
}
|
|
|
|
/* save a timer */
|
|
void qemu_put_timer(QEMUFile *f, QEMUTimer *ts)
|
|
{
|
|
uint64_t expire_time;
|
|
|
|
if (qemu_timer_pending(ts)) {
|
|
expire_time = ts->expire_time;
|
|
} else {
|
|
expire_time = -1;
|
|
}
|
|
qemu_put_be64(f, expire_time);
|
|
}
|
|
|
|
void qemu_get_timer(QEMUFile *f, QEMUTimer *ts)
|
|
{
|
|
uint64_t expire_time;
|
|
|
|
expire_time = qemu_get_be64(f);
|
|
if (expire_time != -1) {
|
|
qemu_mod_timer(ts, expire_time);
|
|
} else {
|
|
qemu_del_timer(ts);
|
|
}
|
|
}
|
|
|
|
static void timer_save(QEMUFile *f, void *opaque)
|
|
{
|
|
if (cpu_ticks_enabled) {
|
|
hw_error("cannot save state if virtual timers are running");
|
|
}
|
|
qemu_put_be64(f, cpu_ticks_offset);
|
|
qemu_put_be64(f, ticks_per_sec);
|
|
qemu_put_be64(f, cpu_clock_offset);
|
|
}
|
|
|
|
static int timer_load(QEMUFile *f, void *opaque, int version_id)
|
|
{
|
|
if (version_id != 1 && version_id != 2)
|
|
return -EINVAL;
|
|
if (cpu_ticks_enabled) {
|
|
return -EINVAL;
|
|
}
|
|
cpu_ticks_offset=qemu_get_be64(f);
|
|
ticks_per_sec=qemu_get_be64(f);
|
|
if (version_id == 2) {
|
|
cpu_clock_offset=qemu_get_be64(f);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
#ifdef _WIN32
|
|
void CALLBACK host_alarm_handler(UINT uTimerID, UINT uMsg,
|
|
DWORD_PTR dwUser, DWORD_PTR dw1, DWORD_PTR dw2)
|
|
#else
|
|
static void host_alarm_handler(int host_signum)
|
|
#endif
|
|
{
|
|
#if 0
|
|
#define DISP_FREQ 1000
|
|
{
|
|
static int64_t delta_min = INT64_MAX;
|
|
static int64_t delta_max, delta_cum, last_clock, delta, ti;
|
|
static int count;
|
|
ti = qemu_get_clock(vm_clock);
|
|
if (last_clock != 0) {
|
|
delta = ti - last_clock;
|
|
if (delta < delta_min)
|
|
delta_min = delta;
|
|
if (delta > delta_max)
|
|
delta_max = delta;
|
|
delta_cum += delta;
|
|
if (++count == DISP_FREQ) {
|
|
printf("timer: min=%" PRId64 " us max=%" PRId64 " us avg=%" PRId64 " us avg_freq=%0.3f Hz\n",
|
|
muldiv64(delta_min, 1000000, ticks_per_sec),
|
|
muldiv64(delta_max, 1000000, ticks_per_sec),
|
|
muldiv64(delta_cum, 1000000 / DISP_FREQ, ticks_per_sec),
|
|
(double)ticks_per_sec / ((double)delta_cum / DISP_FREQ));
|
|
count = 0;
|
|
delta_min = INT64_MAX;
|
|
delta_max = 0;
|
|
delta_cum = 0;
|
|
}
|
|
}
|
|
last_clock = ti;
|
|
}
|
|
#endif
|
|
if (alarm_has_dynticks(alarm_timer) ||
|
|
(!use_icount &&
|
|
qemu_timer_expired(active_timers[QEMU_TIMER_VIRTUAL],
|
|
qemu_get_clock(vm_clock))) ||
|
|
qemu_timer_expired(active_timers[QEMU_TIMER_REALTIME],
|
|
qemu_get_clock(rt_clock))) {
|
|
CPUState *env = next_cpu;
|
|
|
|
#ifdef _WIN32
|
|
struct qemu_alarm_win32 *data = ((struct qemu_alarm_timer*)dwUser)->priv;
|
|
SetEvent(data->host_alarm);
|
|
#else
|
|
static const char byte = 0;
|
|
write(alarm_timer_wfd, &byte, sizeof(byte));
|
|
#endif
|
|
alarm_timer->flags |= ALARM_FLAG_EXPIRED;
|
|
|
|
if (env) {
|
|
/* stop the currently executing cpu because a timer occured */
|
|
cpu_interrupt(env, CPU_INTERRUPT_EXIT);
|
|
#ifdef USE_KQEMU
|
|
if (env->kqemu_enabled) {
|
|
kqemu_cpu_interrupt(env);
|
|
}
|
|
#endif
|
|
}
|
|
event_pending = 1;
|
|
}
|
|
}
|
|
|
|
static int64_t qemu_next_deadline(void)
|
|
{
|
|
int64_t delta;
|
|
|
|
if (active_timers[QEMU_TIMER_VIRTUAL]) {
|
|
delta = active_timers[QEMU_TIMER_VIRTUAL]->expire_time -
|
|
qemu_get_clock(vm_clock);
|
|
} else {
|
|
/* To avoid problems with overflow limit this to 2^32. */
|
|
delta = INT32_MAX;
|
|
}
|
|
|
|
if (delta < 0)
|
|
delta = 0;
|
|
|
|
return delta;
|
|
}
|
|
|
|
#if defined(__linux__) || defined(_WIN32)
|
|
static uint64_t qemu_next_deadline_dyntick(void)
|
|
{
|
|
int64_t delta;
|
|
int64_t rtdelta;
|
|
|
|
if (use_icount)
|
|
delta = INT32_MAX;
|
|
else
|
|
delta = (qemu_next_deadline() + 999) / 1000;
|
|
|
|
if (active_timers[QEMU_TIMER_REALTIME]) {
|
|
rtdelta = (active_timers[QEMU_TIMER_REALTIME]->expire_time -
|
|
qemu_get_clock(rt_clock))*1000;
|
|
if (rtdelta < delta)
|
|
delta = rtdelta;
|
|
}
|
|
|
|
if (delta < MIN_TIMER_REARM_US)
|
|
delta = MIN_TIMER_REARM_US;
|
|
|
|
return delta;
|
|
}
|
|
#endif
|
|
|
|
#ifndef _WIN32
|
|
|
|
/* Sets a specific flag */
|
|
static int fcntl_setfl(int fd, int flag)
|
|
{
|
|
int flags;
|
|
|
|
flags = fcntl(fd, F_GETFL);
|
|
if (flags == -1)
|
|
return -errno;
|
|
|
|
if (fcntl(fd, F_SETFL, flags | flag) == -1)
|
|
return -errno;
|
|
|
|
return 0;
|
|
}
|
|
|
|
#if defined(__linux__)
|
|
|
|
#define RTC_FREQ 1024
|
|
|
|
static void enable_sigio_timer(int fd)
|
|
{
|
|
struct sigaction act;
|
|
|
|
/* timer signal */
|
|
sigfillset(&act.sa_mask);
|
|
act.sa_flags = 0;
|
|
act.sa_handler = host_alarm_handler;
|
|
|
|
sigaction(SIGIO, &act, NULL);
|
|
fcntl_setfl(fd, O_ASYNC);
|
|
fcntl(fd, F_SETOWN, getpid());
|
|
}
|
|
|
|
static int hpet_start_timer(struct qemu_alarm_timer *t)
|
|
{
|
|
struct hpet_info info;
|
|
int r, fd;
|
|
|
|
fd = open("/dev/hpet", O_RDONLY);
|
|
if (fd < 0)
|
|
return -1;
|
|
|
|
/* Set frequency */
|
|
r = ioctl(fd, HPET_IRQFREQ, RTC_FREQ);
|
|
if (r < 0) {
|
|
fprintf(stderr, "Could not configure '/dev/hpet' to have a 1024Hz timer. This is not a fatal\n"
|
|
"error, but for better emulation accuracy type:\n"
|
|
"'echo 1024 > /proc/sys/dev/hpet/max-user-freq' as root.\n");
|
|
goto fail;
|
|
}
|
|
|
|
/* Check capabilities */
|
|
r = ioctl(fd, HPET_INFO, &info);
|
|
if (r < 0)
|
|
goto fail;
|
|
|
|
/* Enable periodic mode */
|
|
r = ioctl(fd, HPET_EPI, 0);
|
|
if (info.hi_flags && (r < 0))
|
|
goto fail;
|
|
|
|
/* Enable interrupt */
|
|
r = ioctl(fd, HPET_IE_ON, 0);
|
|
if (r < 0)
|
|
goto fail;
|
|
|
|
enable_sigio_timer(fd);
|
|
t->priv = (void *)(long)fd;
|
|
|
|
return 0;
|
|
fail:
|
|
close(fd);
|
|
return -1;
|
|
}
|
|
|
|
static void hpet_stop_timer(struct qemu_alarm_timer *t)
|
|
{
|
|
int fd = (long)t->priv;
|
|
|
|
close(fd);
|
|
}
|
|
|
|
static int rtc_start_timer(struct qemu_alarm_timer *t)
|
|
{
|
|
int rtc_fd;
|
|
unsigned long current_rtc_freq = 0;
|
|
|
|
TFR(rtc_fd = open("/dev/rtc", O_RDONLY));
|
|
if (rtc_fd < 0)
|
|
return -1;
|
|
ioctl(rtc_fd, RTC_IRQP_READ, ¤t_rtc_freq);
|
|
if (current_rtc_freq != RTC_FREQ &&
|
|
ioctl(rtc_fd, RTC_IRQP_SET, RTC_FREQ) < 0) {
|
|
fprintf(stderr, "Could not configure '/dev/rtc' to have a 1024 Hz timer. This is not a fatal\n"
|
|
"error, but for better emulation accuracy either use a 2.6 host Linux kernel or\n"
|
|
"type 'echo 1024 > /proc/sys/dev/rtc/max-user-freq' as root.\n");
|
|
goto fail;
|
|
}
|
|
if (ioctl(rtc_fd, RTC_PIE_ON, 0) < 0) {
|
|
fail:
|
|
close(rtc_fd);
|
|
return -1;
|
|
}
|
|
|
|
enable_sigio_timer(rtc_fd);
|
|
|
|
t->priv = (void *)(long)rtc_fd;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void rtc_stop_timer(struct qemu_alarm_timer *t)
|
|
{
|
|
int rtc_fd = (long)t->priv;
|
|
|
|
close(rtc_fd);
|
|
}
|
|
|
|
static int dynticks_start_timer(struct qemu_alarm_timer *t)
|
|
{
|
|
struct sigevent ev;
|
|
timer_t host_timer;
|
|
struct sigaction act;
|
|
|
|
sigfillset(&act.sa_mask);
|
|
act.sa_flags = 0;
|
|
act.sa_handler = host_alarm_handler;
|
|
|
|
sigaction(SIGALRM, &act, NULL);
|
|
|
|
ev.sigev_value.sival_int = 0;
|
|
ev.sigev_notify = SIGEV_SIGNAL;
|
|
ev.sigev_signo = SIGALRM;
|
|
|
|
if (timer_create(CLOCK_REALTIME, &ev, &host_timer)) {
|
|
perror("timer_create");
|
|
|
|
/* disable dynticks */
|
|
fprintf(stderr, "Dynamic Ticks disabled\n");
|
|
|
|
return -1;
|
|
}
|
|
|
|
t->priv = (void *)host_timer;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void dynticks_stop_timer(struct qemu_alarm_timer *t)
|
|
{
|
|
timer_t host_timer = (timer_t)t->priv;
|
|
|
|
timer_delete(host_timer);
|
|
}
|
|
|
|
static void dynticks_rearm_timer(struct qemu_alarm_timer *t)
|
|
{
|
|
timer_t host_timer = (timer_t)t->priv;
|
|
struct itimerspec timeout;
|
|
int64_t nearest_delta_us = INT64_MAX;
|
|
int64_t current_us;
|
|
|
|
if (!active_timers[QEMU_TIMER_REALTIME] &&
|
|
!active_timers[QEMU_TIMER_VIRTUAL])
|
|
return;
|
|
|
|
nearest_delta_us = qemu_next_deadline_dyntick();
|
|
|
|
/* check whether a timer is already running */
|
|
if (timer_gettime(host_timer, &timeout)) {
|
|
perror("gettime");
|
|
fprintf(stderr, "Internal timer error: aborting\n");
|
|
exit(1);
|
|
}
|
|
current_us = timeout.it_value.tv_sec * 1000000 + timeout.it_value.tv_nsec/1000;
|
|
if (current_us && current_us <= nearest_delta_us)
|
|
return;
|
|
|
|
timeout.it_interval.tv_sec = 0;
|
|
timeout.it_interval.tv_nsec = 0; /* 0 for one-shot timer */
|
|
timeout.it_value.tv_sec = nearest_delta_us / 1000000;
|
|
timeout.it_value.tv_nsec = (nearest_delta_us % 1000000) * 1000;
|
|
if (timer_settime(host_timer, 0 /* RELATIVE */, &timeout, NULL)) {
|
|
perror("settime");
|
|
fprintf(stderr, "Internal timer error: aborting\n");
|
|
exit(1);
|
|
}
|
|
}
|
|
|
|
#endif /* defined(__linux__) */
|
|
|
|
static int unix_start_timer(struct qemu_alarm_timer *t)
|
|
{
|
|
struct sigaction act;
|
|
struct itimerval itv;
|
|
int err;
|
|
|
|
/* timer signal */
|
|
sigfillset(&act.sa_mask);
|
|
act.sa_flags = 0;
|
|
act.sa_handler = host_alarm_handler;
|
|
|
|
sigaction(SIGALRM, &act, NULL);
|
|
|
|
itv.it_interval.tv_sec = 0;
|
|
/* for i386 kernel 2.6 to get 1 ms */
|
|
itv.it_interval.tv_usec = 999;
|
|
itv.it_value.tv_sec = 0;
|
|
itv.it_value.tv_usec = 10 * 1000;
|
|
|
|
err = setitimer(ITIMER_REAL, &itv, NULL);
|
|
if (err)
|
|
return -1;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void unix_stop_timer(struct qemu_alarm_timer *t)
|
|
{
|
|
struct itimerval itv;
|
|
|
|
memset(&itv, 0, sizeof(itv));
|
|
setitimer(ITIMER_REAL, &itv, NULL);
|
|
}
|
|
|
|
#endif /* !defined(_WIN32) */
|
|
|
|
static void try_to_rearm_timer(void *opaque)
|
|
{
|
|
struct qemu_alarm_timer *t = opaque;
|
|
#ifndef _WIN32
|
|
ssize_t len;
|
|
|
|
/* Drain the notify pipe */
|
|
do {
|
|
char buffer[512];
|
|
len = read(alarm_timer_rfd, buffer, sizeof(buffer));
|
|
} while ((len == -1 && errno == EINTR) || len > 0);
|
|
#endif
|
|
|
|
/* vm time timers */
|
|
if (vm_running && likely(!(cur_cpu->singlestep_enabled & SSTEP_NOTIMER)))
|
|
qemu_run_timers(&active_timers[QEMU_TIMER_VIRTUAL],
|
|
qemu_get_clock(vm_clock));
|
|
|
|
/* real time timers */
|
|
qemu_run_timers(&active_timers[QEMU_TIMER_REALTIME],
|
|
qemu_get_clock(rt_clock));
|
|
|
|
if (t->flags & ALARM_FLAG_EXPIRED) {
|
|
alarm_timer->flags &= ~ALARM_FLAG_EXPIRED;
|
|
qemu_rearm_alarm_timer(alarm_timer);
|
|
}
|
|
}
|
|
|
|
#ifdef _WIN32
|
|
|
|
static int win32_start_timer(struct qemu_alarm_timer *t)
|
|
{
|
|
TIMECAPS tc;
|
|
struct qemu_alarm_win32 *data = t->priv;
|
|
UINT flags;
|
|
|
|
data->host_alarm = CreateEvent(NULL, FALSE, FALSE, NULL);
|
|
if (!data->host_alarm) {
|
|
perror("Failed CreateEvent");
|
|
return -1;
|
|
}
|
|
|
|
memset(&tc, 0, sizeof(tc));
|
|
timeGetDevCaps(&tc, sizeof(tc));
|
|
|
|
if (data->period < tc.wPeriodMin)
|
|
data->period = tc.wPeriodMin;
|
|
|
|
timeBeginPeriod(data->period);
|
|
|
|
flags = TIME_CALLBACK_FUNCTION;
|
|
if (alarm_has_dynticks(t))
|
|
flags |= TIME_ONESHOT;
|
|
else
|
|
flags |= TIME_PERIODIC;
|
|
|
|
data->timerId = timeSetEvent(1, // interval (ms)
|
|
data->period, // resolution
|
|
host_alarm_handler, // function
|
|
(DWORD)t, // parameter
|
|
flags);
|
|
|
|
if (!data->timerId) {
|
|
perror("Failed to initialize win32 alarm timer");
|
|
|
|
timeEndPeriod(data->period);
|
|
CloseHandle(data->host_alarm);
|
|
return -1;
|
|
}
|
|
|
|
qemu_add_wait_object(data->host_alarm, try_to_rearm_timer, t);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void win32_stop_timer(struct qemu_alarm_timer *t)
|
|
{
|
|
struct qemu_alarm_win32 *data = t->priv;
|
|
|
|
timeKillEvent(data->timerId);
|
|
timeEndPeriod(data->period);
|
|
|
|
CloseHandle(data->host_alarm);
|
|
}
|
|
|
|
static void win32_rearm_timer(struct qemu_alarm_timer *t)
|
|
{
|
|
struct qemu_alarm_win32 *data = t->priv;
|
|
uint64_t nearest_delta_us;
|
|
|
|
if (!active_timers[QEMU_TIMER_REALTIME] &&
|
|
!active_timers[QEMU_TIMER_VIRTUAL])
|
|
return;
|
|
|
|
nearest_delta_us = qemu_next_deadline_dyntick();
|
|
nearest_delta_us /= 1000;
|
|
|
|
timeKillEvent(data->timerId);
|
|
|
|
data->timerId = timeSetEvent(1,
|
|
data->period,
|
|
host_alarm_handler,
|
|
(DWORD)t,
|
|
TIME_ONESHOT | TIME_PERIODIC);
|
|
|
|
if (!data->timerId) {
|
|
perror("Failed to re-arm win32 alarm timer");
|
|
|
|
timeEndPeriod(data->period);
|
|
CloseHandle(data->host_alarm);
|
|
exit(1);
|
|
}
|
|
}
|
|
|
|
#endif /* _WIN32 */
|
|
|
|
static int init_timer_alarm(void)
|
|
{
|
|
struct qemu_alarm_timer *t = NULL;
|
|
int i, err = -1;
|
|
|
|
#ifndef _WIN32
|
|
int fds[2];
|
|
|
|
err = pipe(fds);
|
|
if (err == -1)
|
|
return -errno;
|
|
|
|
err = fcntl_setfl(fds[0], O_NONBLOCK);
|
|
if (err < 0)
|
|
goto fail;
|
|
|
|
err = fcntl_setfl(fds[1], O_NONBLOCK);
|
|
if (err < 0)
|
|
goto fail;
|
|
|
|
alarm_timer_rfd = fds[0];
|
|
alarm_timer_wfd = fds[1];
|
|
#endif
|
|
|
|
for (i = 0; alarm_timers[i].name; i++) {
|
|
t = &alarm_timers[i];
|
|
|
|
err = t->start(t);
|
|
if (!err)
|
|
break;
|
|
}
|
|
|
|
if (err) {
|
|
err = -ENOENT;
|
|
goto fail;
|
|
}
|
|
|
|
#ifndef _WIN32
|
|
qemu_set_fd_handler2(alarm_timer_rfd, NULL,
|
|
try_to_rearm_timer, NULL, t);
|
|
#endif
|
|
|
|
alarm_timer = t;
|
|
|
|
return 0;
|
|
|
|
fail:
|
|
#ifndef _WIN32
|
|
close(fds[0]);
|
|
close(fds[1]);
|
|
#endif
|
|
return err;
|
|
}
|
|
|
|
static void quit_timers(void)
|
|
{
|
|
alarm_timer->stop(alarm_timer);
|
|
alarm_timer = NULL;
|
|
}
|
|
|
|
/***********************************************************/
|
|
/* host time/date access */
|
|
void qemu_get_timedate(struct tm *tm, int offset)
|
|
{
|
|
time_t ti;
|
|
struct tm *ret;
|
|
|
|
time(&ti);
|
|
ti += offset;
|
|
if (rtc_date_offset == -1) {
|
|
if (rtc_utc)
|
|
ret = gmtime(&ti);
|
|
else
|
|
ret = localtime(&ti);
|
|
} else {
|
|
ti -= rtc_date_offset;
|
|
ret = gmtime(&ti);
|
|
}
|
|
|
|
memcpy(tm, ret, sizeof(struct tm));
|
|
}
|
|
|
|
int qemu_timedate_diff(struct tm *tm)
|
|
{
|
|
time_t seconds;
|
|
|
|
if (rtc_date_offset == -1)
|
|
if (rtc_utc)
|
|
seconds = mktimegm(tm);
|
|
else
|
|
seconds = mktime(tm);
|
|
else
|
|
seconds = mktimegm(tm) + rtc_date_offset;
|
|
|
|
return seconds - time(NULL);
|
|
}
|
|
|
|
#ifdef _WIN32
|
|
static void socket_cleanup(void)
|
|
{
|
|
WSACleanup();
|
|
}
|
|
|
|
static int socket_init(void)
|
|
{
|
|
WSADATA Data;
|
|
int ret, err;
|
|
|
|
ret = WSAStartup(MAKEWORD(2,2), &Data);
|
|
if (ret != 0) {
|
|
err = WSAGetLastError();
|
|
fprintf(stderr, "WSAStartup: %d\n", err);
|
|
return -1;
|
|
}
|
|
atexit(socket_cleanup);
|
|
return 0;
|
|
}
|
|
#endif
|
|
|
|
const char *get_opt_name(char *buf, int buf_size, const char *p)
|
|
{
|
|
char *q;
|
|
|
|
q = buf;
|
|
while (*p != '\0' && *p != '=') {
|
|
if (q && (q - buf) < buf_size - 1)
|
|
*q++ = *p;
|
|
p++;
|
|
}
|
|
if (q)
|
|
*q = '\0';
|
|
|
|
return p;
|
|
}
|
|
|
|
const char *get_opt_value(char *buf, int buf_size, const char *p)
|
|
{
|
|
char *q;
|
|
|
|
q = buf;
|
|
while (*p != '\0') {
|
|
if (*p == ',') {
|
|
if (*(p + 1) != ',')
|
|
break;
|
|
p++;
|
|
}
|
|
if (q && (q - buf) < buf_size - 1)
|
|
*q++ = *p;
|
|
p++;
|
|
}
|
|
if (q)
|
|
*q = '\0';
|
|
|
|
return p;
|
|
}
|
|
|
|
int get_param_value(char *buf, int buf_size,
|
|
const char *tag, const char *str)
|
|
{
|
|
const char *p;
|
|
char option[128];
|
|
|
|
p = str;
|
|
for(;;) {
|
|
p = get_opt_name(option, sizeof(option), p);
|
|
if (*p != '=')
|
|
break;
|
|
p++;
|
|
if (!strcmp(tag, option)) {
|
|
(void)get_opt_value(buf, buf_size, p);
|
|
return strlen(buf);
|
|
} else {
|
|
p = get_opt_value(NULL, 0, p);
|
|
}
|
|
if (*p != ',')
|
|
break;
|
|
p++;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
int check_params(char *buf, int buf_size,
|
|
const char * const *params, const char *str)
|
|
{
|
|
const char *p;
|
|
int i;
|
|
|
|
p = str;
|
|
for(;;) {
|
|
p = get_opt_name(buf, buf_size, p);
|
|
if (*p != '=')
|
|
return -1;
|
|
p++;
|
|
for(i = 0; params[i] != NULL; i++)
|
|
if (!strcmp(params[i], buf))
|
|
break;
|
|
if (params[i] == NULL)
|
|
return -1;
|
|
p = get_opt_value(NULL, 0, p);
|
|
if (*p != ',')
|
|
break;
|
|
p++;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/***********************************************************/
|
|
/* Bluetooth support */
|
|
static int nb_hcis;
|
|
static int cur_hci;
|
|
static struct HCIInfo *hci_table[MAX_NICS];
|
|
#if 0
|
|
static struct bt_vlan_s {
|
|
struct bt_scatternet_s net;
|
|
int id;
|
|
struct bt_vlan_s *next;
|
|
} *first_bt_vlan;
|
|
|
|
/* find or alloc a new bluetooth "VLAN" */
|
|
static struct bt_scatternet_s *qemu_find_bt_vlan(int id)
|
|
{
|
|
struct bt_vlan_s **pvlan, *vlan;
|
|
for (vlan = first_bt_vlan; vlan != NULL; vlan = vlan->next) {
|
|
if (vlan->id == id)
|
|
return &vlan->net;
|
|
}
|
|
vlan = qemu_mallocz(sizeof(struct bt_vlan_s));
|
|
vlan->id = id;
|
|
pvlan = &first_bt_vlan;
|
|
while (*pvlan != NULL)
|
|
pvlan = &(*pvlan)->next;
|
|
*pvlan = vlan;
|
|
return &vlan->net;
|
|
}
|
|
#endif
|
|
|
|
static void null_hci_send(struct HCIInfo *hci, const uint8_t *data, int len)
|
|
{
|
|
}
|
|
|
|
static int null_hci_addr_set(struct HCIInfo *hci, const uint8_t *bd_addr)
|
|
{
|
|
return -ENOTSUP;
|
|
}
|
|
|
|
static struct HCIInfo null_hci = {
|
|
.cmd_send = null_hci_send,
|
|
.sco_send = null_hci_send,
|
|
.acl_send = null_hci_send,
|
|
.bdaddr_set = null_hci_addr_set,
|
|
};
|
|
|
|
struct HCIInfo *qemu_next_hci(void)
|
|
{
|
|
if (cur_hci == nb_hcis)
|
|
return &null_hci;
|
|
|
|
return hci_table[cur_hci++];
|
|
}
|
|
|
|
/***********************************************************/
|
|
/* QEMU Block devices */
|
|
|
|
#define HD_ALIAS "index=%d,media=disk"
|
|
#ifdef TARGET_PPC
|
|
#define CDROM_ALIAS "index=1,media=cdrom"
|
|
#else
|
|
#define CDROM_ALIAS "index=2,media=cdrom"
|
|
#endif
|
|
#define FD_ALIAS "index=%d,if=floppy"
|
|
#define PFLASH_ALIAS "if=pflash"
|
|
#define MTD_ALIAS "if=mtd"
|
|
#define SD_ALIAS "index=0,if=sd"
|
|
|
|
static int drive_add(const char *file, const char *fmt, ...)
|
|
{
|
|
va_list ap;
|
|
|
|
if (nb_drives_opt >= MAX_DRIVES) {
|
|
fprintf(stderr, "qemu: too many drives\n");
|
|
exit(1);
|
|
}
|
|
|
|
drives_opt[nb_drives_opt].file = file;
|
|
va_start(ap, fmt);
|
|
vsnprintf(drives_opt[nb_drives_opt].opt,
|
|
sizeof(drives_opt[0].opt), fmt, ap);
|
|
va_end(ap);
|
|
|
|
return nb_drives_opt++;
|
|
}
|
|
|
|
int drive_get_index(BlockInterfaceType type, int bus, int unit)
|
|
{
|
|
int index;
|
|
|
|
/* seek interface, bus and unit */
|
|
|
|
for (index = 0; index < nb_drives; index++)
|
|
if (drives_table[index].type == type &&
|
|
drives_table[index].bus == bus &&
|
|
drives_table[index].unit == unit)
|
|
return index;
|
|
|
|
return -1;
|
|
}
|
|
|
|
int drive_get_max_bus(BlockInterfaceType type)
|
|
{
|
|
int max_bus;
|
|
int index;
|
|
|
|
max_bus = -1;
|
|
for (index = 0; index < nb_drives; index++) {
|
|
if(drives_table[index].type == type &&
|
|
drives_table[index].bus > max_bus)
|
|
max_bus = drives_table[index].bus;
|
|
}
|
|
return max_bus;
|
|
}
|
|
|
|
static void bdrv_format_print(void *opaque, const char *name)
|
|
{
|
|
fprintf(stderr, " %s", name);
|
|
}
|
|
|
|
static int drive_init(struct drive_opt *arg, int snapshot,
|
|
QEMUMachine *machine)
|
|
{
|
|
char buf[128];
|
|
char file[1024];
|
|
char devname[128];
|
|
const char *mediastr = "";
|
|
BlockInterfaceType type;
|
|
enum { MEDIA_DISK, MEDIA_CDROM } media;
|
|
int bus_id, unit_id;
|
|
int cyls, heads, secs, translation;
|
|
BlockDriverState *bdrv;
|
|
BlockDriver *drv = NULL;
|
|
int max_devs;
|
|
int index;
|
|
int cache;
|
|
int bdrv_flags;
|
|
char *str = arg->opt;
|
|
static const char * const params[] = { "bus", "unit", "if", "index",
|
|
"cyls", "heads", "secs", "trans",
|
|
"media", "snapshot", "file",
|
|
"cache", "format", NULL };
|
|
|
|
if (check_params(buf, sizeof(buf), params, str) < 0) {
|
|
fprintf(stderr, "qemu: unknown parameter '%s' in '%s'\n",
|
|
buf, str);
|
|
return -1;
|
|
}
|
|
|
|
file[0] = 0;
|
|
cyls = heads = secs = 0;
|
|
bus_id = 0;
|
|
unit_id = -1;
|
|
translation = BIOS_ATA_TRANSLATION_AUTO;
|
|
index = -1;
|
|
cache = 1;
|
|
|
|
if (machine->use_scsi) {
|
|
type = IF_SCSI;
|
|
max_devs = MAX_SCSI_DEVS;
|
|
pstrcpy(devname, sizeof(devname), "scsi");
|
|
} else {
|
|
type = IF_IDE;
|
|
max_devs = MAX_IDE_DEVS;
|
|
pstrcpy(devname, sizeof(devname), "ide");
|
|
}
|
|
media = MEDIA_DISK;
|
|
|
|
/* extract parameters */
|
|
|
|
if (get_param_value(buf, sizeof(buf), "bus", str)) {
|
|
bus_id = strtol(buf, NULL, 0);
|
|
if (bus_id < 0) {
|
|
fprintf(stderr, "qemu: '%s' invalid bus id\n", str);
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
if (get_param_value(buf, sizeof(buf), "unit", str)) {
|
|
unit_id = strtol(buf, NULL, 0);
|
|
if (unit_id < 0) {
|
|
fprintf(stderr, "qemu: '%s' invalid unit id\n", str);
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
if (get_param_value(buf, sizeof(buf), "if", str)) {
|
|
pstrcpy(devname, sizeof(devname), buf);
|
|
if (!strcmp(buf, "ide")) {
|
|
type = IF_IDE;
|
|
max_devs = MAX_IDE_DEVS;
|
|
} else if (!strcmp(buf, "scsi")) {
|
|
type = IF_SCSI;
|
|
max_devs = MAX_SCSI_DEVS;
|
|
} else if (!strcmp(buf, "floppy")) {
|
|
type = IF_FLOPPY;
|
|
max_devs = 0;
|
|
} else if (!strcmp(buf, "pflash")) {
|
|
type = IF_PFLASH;
|
|
max_devs = 0;
|
|
} else if (!strcmp(buf, "mtd")) {
|
|
type = IF_MTD;
|
|
max_devs = 0;
|
|
} else if (!strcmp(buf, "sd")) {
|
|
type = IF_SD;
|
|
max_devs = 0;
|
|
} else {
|
|
fprintf(stderr, "qemu: '%s' unsupported bus type '%s'\n", str, buf);
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
if (get_param_value(buf, sizeof(buf), "index", str)) {
|
|
index = strtol(buf, NULL, 0);
|
|
if (index < 0) {
|
|
fprintf(stderr, "qemu: '%s' invalid index\n", str);
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
if (get_param_value(buf, sizeof(buf), "cyls", str)) {
|
|
cyls = strtol(buf, NULL, 0);
|
|
}
|
|
|
|
if (get_param_value(buf, sizeof(buf), "heads", str)) {
|
|
heads = strtol(buf, NULL, 0);
|
|
}
|
|
|
|
if (get_param_value(buf, sizeof(buf), "secs", str)) {
|
|
secs = strtol(buf, NULL, 0);
|
|
}
|
|
|
|
if (cyls || heads || secs) {
|
|
if (cyls < 1 || cyls > 16383) {
|
|
fprintf(stderr, "qemu: '%s' invalid physical cyls number\n", str);
|
|
return -1;
|
|
}
|
|
if (heads < 1 || heads > 16) {
|
|
fprintf(stderr, "qemu: '%s' invalid physical heads number\n", str);
|
|
return -1;
|
|
}
|
|
if (secs < 1 || secs > 63) {
|
|
fprintf(stderr, "qemu: '%s' invalid physical secs number\n", str);
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
if (get_param_value(buf, sizeof(buf), "trans", str)) {
|
|
if (!cyls) {
|
|
fprintf(stderr,
|
|
"qemu: '%s' trans must be used with cyls,heads and secs\n",
|
|
str);
|
|
return -1;
|
|
}
|
|
if (!strcmp(buf, "none"))
|
|
translation = BIOS_ATA_TRANSLATION_NONE;
|
|
else if (!strcmp(buf, "lba"))
|
|
translation = BIOS_ATA_TRANSLATION_LBA;
|
|
else if (!strcmp(buf, "auto"))
|
|
translation = BIOS_ATA_TRANSLATION_AUTO;
|
|
else {
|
|
fprintf(stderr, "qemu: '%s' invalid translation type\n", str);
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
if (get_param_value(buf, sizeof(buf), "media", str)) {
|
|
if (!strcmp(buf, "disk")) {
|
|
media = MEDIA_DISK;
|
|
} else if (!strcmp(buf, "cdrom")) {
|
|
if (cyls || secs || heads) {
|
|
fprintf(stderr,
|
|
"qemu: '%s' invalid physical CHS format\n", str);
|
|
return -1;
|
|
}
|
|
media = MEDIA_CDROM;
|
|
} else {
|
|
fprintf(stderr, "qemu: '%s' invalid media\n", str);
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
if (get_param_value(buf, sizeof(buf), "snapshot", str)) {
|
|
if (!strcmp(buf, "on"))
|
|
snapshot = 1;
|
|
else if (!strcmp(buf, "off"))
|
|
snapshot = 0;
|
|
else {
|
|
fprintf(stderr, "qemu: '%s' invalid snapshot option\n", str);
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
if (get_param_value(buf, sizeof(buf), "cache", str)) {
|
|
if (!strcmp(buf, "off") || !strcmp(buf, "none"))
|
|
cache = 0;
|
|
else if (!strcmp(buf, "writethrough"))
|
|
cache = 1;
|
|
else if (!strcmp(buf, "writeback"))
|
|
cache = 2;
|
|
else {
|
|
fprintf(stderr, "qemu: invalid cache option\n");
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
if (get_param_value(buf, sizeof(buf), "format", str)) {
|
|
if (strcmp(buf, "?") == 0) {
|
|
fprintf(stderr, "qemu: Supported formats:");
|
|
bdrv_iterate_format(bdrv_format_print, NULL);
|
|
fprintf(stderr, "\n");
|
|
return -1;
|
|
}
|
|
drv = bdrv_find_format(buf);
|
|
if (!drv) {
|
|
fprintf(stderr, "qemu: '%s' invalid format\n", buf);
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
if (arg->file == NULL)
|
|
get_param_value(file, sizeof(file), "file", str);
|
|
else
|
|
pstrcpy(file, sizeof(file), arg->file);
|
|
|
|
/* compute bus and unit according index */
|
|
|
|
if (index != -1) {
|
|
if (bus_id != 0 || unit_id != -1) {
|
|
fprintf(stderr,
|
|
"qemu: '%s' index cannot be used with bus and unit\n", str);
|
|
return -1;
|
|
}
|
|
if (max_devs == 0)
|
|
{
|
|
unit_id = index;
|
|
bus_id = 0;
|
|
} else {
|
|
unit_id = index % max_devs;
|
|
bus_id = index / max_devs;
|
|
}
|
|
}
|
|
|
|
/* if user doesn't specify a unit_id,
|
|
* try to find the first free
|
|
*/
|
|
|
|
if (unit_id == -1) {
|
|
unit_id = 0;
|
|
while (drive_get_index(type, bus_id, unit_id) != -1) {
|
|
unit_id++;
|
|
if (max_devs && unit_id >= max_devs) {
|
|
unit_id -= max_devs;
|
|
bus_id++;
|
|
}
|
|
}
|
|
}
|
|
|
|
/* check unit id */
|
|
|
|
if (max_devs && unit_id >= max_devs) {
|
|
fprintf(stderr, "qemu: '%s' unit %d too big (max is %d)\n",
|
|
str, unit_id, max_devs - 1);
|
|
return -1;
|
|
}
|
|
|
|
/*
|
|
* ignore multiple definitions
|
|
*/
|
|
|
|
if (drive_get_index(type, bus_id, unit_id) != -1)
|
|
return 0;
|
|
|
|
/* init */
|
|
|
|
if (type == IF_IDE || type == IF_SCSI)
|
|
mediastr = (media == MEDIA_CDROM) ? "-cd" : "-hd";
|
|
if (max_devs)
|
|
snprintf(buf, sizeof(buf), "%s%i%s%i",
|
|
devname, bus_id, mediastr, unit_id);
|
|
else
|
|
snprintf(buf, sizeof(buf), "%s%s%i",
|
|
devname, mediastr, unit_id);
|
|
bdrv = bdrv_new(buf);
|
|
drives_table[nb_drives].bdrv = bdrv;
|
|
drives_table[nb_drives].type = type;
|
|
drives_table[nb_drives].bus = bus_id;
|
|
drives_table[nb_drives].unit = unit_id;
|
|
nb_drives++;
|
|
|
|
switch(type) {
|
|
case IF_IDE:
|
|
case IF_SCSI:
|
|
switch(media) {
|
|
case MEDIA_DISK:
|
|
if (cyls != 0) {
|
|
bdrv_set_geometry_hint(bdrv, cyls, heads, secs);
|
|
bdrv_set_translation_hint(bdrv, translation);
|
|
}
|
|
break;
|
|
case MEDIA_CDROM:
|
|
bdrv_set_type_hint(bdrv, BDRV_TYPE_CDROM);
|
|
break;
|
|
}
|
|
break;
|
|
case IF_SD:
|
|
/* FIXME: This isn't really a floppy, but it's a reasonable
|
|
approximation. */
|
|
case IF_FLOPPY:
|
|
bdrv_set_type_hint(bdrv, BDRV_TYPE_FLOPPY);
|
|
break;
|
|
case IF_PFLASH:
|
|
case IF_MTD:
|
|
break;
|
|
}
|
|
if (!file[0])
|
|
return 0;
|
|
bdrv_flags = 0;
|
|
if (snapshot) {
|
|
bdrv_flags |= BDRV_O_SNAPSHOT;
|
|
cache = 2; /* always use write-back with snapshot */
|
|
}
|
|
if (cache == 0) /* no caching */
|
|
bdrv_flags |= BDRV_O_NOCACHE;
|
|
else if (cache == 2) /* write-back */
|
|
bdrv_flags |= BDRV_O_CACHE_WB;
|
|
if (bdrv_open2(bdrv, file, bdrv_flags, drv) < 0 || qemu_key_check(bdrv, file)) {
|
|
fprintf(stderr, "qemu: could not open disk image %s\n",
|
|
file);
|
|
return -1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/***********************************************************/
|
|
/* USB devices */
|
|
|
|
static USBPort *used_usb_ports;
|
|
static USBPort *free_usb_ports;
|
|
|
|
/* ??? Maybe change this to register a hub to keep track of the topology. */
|
|
void qemu_register_usb_port(USBPort *port, void *opaque, int index,
|
|
usb_attachfn attach)
|
|
{
|
|
port->opaque = opaque;
|
|
port->index = index;
|
|
port->attach = attach;
|
|
port->next = free_usb_ports;
|
|
free_usb_ports = port;
|
|
}
|
|
|
|
int usb_device_add_dev(USBDevice *dev)
|
|
{
|
|
USBPort *port;
|
|
|
|
/* Find a USB port to add the device to. */
|
|
port = free_usb_ports;
|
|
if (!port->next) {
|
|
USBDevice *hub;
|
|
|
|
/* Create a new hub and chain it on. */
|
|
free_usb_ports = NULL;
|
|
port->next = used_usb_ports;
|
|
used_usb_ports = port;
|
|
|
|
hub = usb_hub_init(VM_USB_HUB_SIZE);
|
|
usb_attach(port, hub);
|
|
port = free_usb_ports;
|
|
}
|
|
|
|
free_usb_ports = port->next;
|
|
port->next = used_usb_ports;
|
|
used_usb_ports = port;
|
|
usb_attach(port, dev);
|
|
return 0;
|
|
}
|
|
|
|
static int usb_device_add(const char *devname)
|
|
{
|
|
const char *p;
|
|
USBDevice *dev;
|
|
|
|
if (!free_usb_ports)
|
|
return -1;
|
|
|
|
if (strstart(devname, "host:", &p)) {
|
|
dev = usb_host_device_open(p);
|
|
} else if (!strcmp(devname, "mouse")) {
|
|
dev = usb_mouse_init();
|
|
} else if (!strcmp(devname, "tablet")) {
|
|
dev = usb_tablet_init();
|
|
} else if (!strcmp(devname, "keyboard")) {
|
|
dev = usb_keyboard_init();
|
|
} else if (strstart(devname, "disk:", &p)) {
|
|
dev = usb_msd_init(p);
|
|
} else if (!strcmp(devname, "wacom-tablet")) {
|
|
dev = usb_wacom_init();
|
|
} else if (strstart(devname, "serial:", &p)) {
|
|
dev = usb_serial_init(p);
|
|
#ifdef CONFIG_BRLAPI
|
|
} else if (!strcmp(devname, "braille")) {
|
|
dev = usb_baum_init();
|
|
#endif
|
|
} else if (strstart(devname, "net:", &p)) {
|
|
int nic = nb_nics;
|
|
|
|
if (net_client_init("nic", p) < 0)
|
|
return -1;
|
|
nd_table[nic].model = "usb";
|
|
dev = usb_net_init(&nd_table[nic]);
|
|
} else {
|
|
return -1;
|
|
}
|
|
if (!dev)
|
|
return -1;
|
|
|
|
return usb_device_add_dev(dev);
|
|
}
|
|
|
|
int usb_device_del_addr(int bus_num, int addr)
|
|
{
|
|
USBPort *port;
|
|
USBPort **lastp;
|
|
USBDevice *dev;
|
|
|
|
if (!used_usb_ports)
|
|
return -1;
|
|
|
|
if (bus_num != 0)
|
|
return -1;
|
|
|
|
lastp = &used_usb_ports;
|
|
port = used_usb_ports;
|
|
while (port && port->dev->addr != addr) {
|
|
lastp = &port->next;
|
|
port = port->next;
|
|
}
|
|
|
|
if (!port)
|
|
return -1;
|
|
|
|
dev = port->dev;
|
|
*lastp = port->next;
|
|
usb_attach(port, NULL);
|
|
dev->handle_destroy(dev);
|
|
port->next = free_usb_ports;
|
|
free_usb_ports = port;
|
|
return 0;
|
|
}
|
|
|
|
static int usb_device_del(const char *devname)
|
|
{
|
|
int bus_num, addr;
|
|
const char *p;
|
|
|
|
if (strstart(devname, "host:", &p))
|
|
return usb_host_device_close(p);
|
|
|
|
if (!used_usb_ports)
|
|
return -1;
|
|
|
|
p = strchr(devname, '.');
|
|
if (!p)
|
|
return -1;
|
|
bus_num = strtoul(devname, NULL, 0);
|
|
addr = strtoul(p + 1, NULL, 0);
|
|
|
|
return usb_device_del_addr(bus_num, addr);
|
|
}
|
|
|
|
void do_usb_add(const char *devname)
|
|
{
|
|
usb_device_add(devname);
|
|
}
|
|
|
|
void do_usb_del(const char *devname)
|
|
{
|
|
usb_device_del(devname);
|
|
}
|
|
|
|
void usb_info(void)
|
|
{
|
|
USBDevice *dev;
|
|
USBPort *port;
|
|
const char *speed_str;
|
|
|
|
if (!usb_enabled) {
|
|
term_printf("USB support not enabled\n");
|
|
return;
|
|
}
|
|
|
|
for (port = used_usb_ports; port; port = port->next) {
|
|
dev = port->dev;
|
|
if (!dev)
|
|
continue;
|
|
switch(dev->speed) {
|
|
case USB_SPEED_LOW:
|
|
speed_str = "1.5";
|
|
break;
|
|
case USB_SPEED_FULL:
|
|
speed_str = "12";
|
|
break;
|
|
case USB_SPEED_HIGH:
|
|
speed_str = "480";
|
|
break;
|
|
default:
|
|
speed_str = "?";
|
|
break;
|
|
}
|
|
term_printf(" Device %d.%d, Speed %s Mb/s, Product %s\n",
|
|
0, dev->addr, speed_str, dev->devname);
|
|
}
|
|
}
|
|
|
|
/***********************************************************/
|
|
/* PCMCIA/Cardbus */
|
|
|
|
static struct pcmcia_socket_entry_s {
|
|
struct pcmcia_socket_s *socket;
|
|
struct pcmcia_socket_entry_s *next;
|
|
} *pcmcia_sockets = 0;
|
|
|
|
void pcmcia_socket_register(struct pcmcia_socket_s *socket)
|
|
{
|
|
struct pcmcia_socket_entry_s *entry;
|
|
|
|
entry = qemu_malloc(sizeof(struct pcmcia_socket_entry_s));
|
|
entry->socket = socket;
|
|
entry->next = pcmcia_sockets;
|
|
pcmcia_sockets = entry;
|
|
}
|
|
|
|
void pcmcia_socket_unregister(struct pcmcia_socket_s *socket)
|
|
{
|
|
struct pcmcia_socket_entry_s *entry, **ptr;
|
|
|
|
ptr = &pcmcia_sockets;
|
|
for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
|
|
if (entry->socket == socket) {
|
|
*ptr = entry->next;
|
|
qemu_free(entry);
|
|
}
|
|
}
|
|
|
|
void pcmcia_info(void)
|
|
{
|
|
struct pcmcia_socket_entry_s *iter;
|
|
if (!pcmcia_sockets)
|
|
term_printf("No PCMCIA sockets\n");
|
|
|
|
for (iter = pcmcia_sockets; iter; iter = iter->next)
|
|
term_printf("%s: %s\n", iter->socket->slot_string,
|
|
iter->socket->attached ? iter->socket->card_string :
|
|
"Empty");
|
|
}
|
|
|
|
/***********************************************************/
|
|
/* dumb display */
|
|
|
|
static void dumb_update(DisplayState *ds, int x, int y, int w, int h)
|
|
{
|
|
}
|
|
|
|
static void dumb_resize(DisplayState *ds, int w, int h)
|
|
{
|
|
}
|
|
|
|
static void dumb_display_init(DisplayState *ds)
|
|
{
|
|
ds->data = NULL;
|
|
ds->linesize = 0;
|
|
ds->depth = 0;
|
|
ds->dpy_update = dumb_update;
|
|
ds->dpy_resize = dumb_resize;
|
|
ds->dpy_refresh = NULL;
|
|
ds->gui_timer_interval = 0;
|
|
ds->idle = 1;
|
|
}
|
|
|
|
/***********************************************************/
|
|
/* I/O handling */
|
|
|
|
#define MAX_IO_HANDLERS 64
|
|
|
|
typedef struct IOHandlerRecord {
|
|
int fd;
|
|
IOCanRWHandler *fd_read_poll;
|
|
IOHandler *fd_read;
|
|
IOHandler *fd_write;
|
|
int deleted;
|
|
void *opaque;
|
|
/* temporary data */
|
|
struct pollfd *ufd;
|
|
struct IOHandlerRecord *next;
|
|
} IOHandlerRecord;
|
|
|
|
static IOHandlerRecord *first_io_handler;
|
|
|
|
/* XXX: fd_read_poll should be suppressed, but an API change is
|
|
necessary in the character devices to suppress fd_can_read(). */
|
|
int qemu_set_fd_handler2(int fd,
|
|
IOCanRWHandler *fd_read_poll,
|
|
IOHandler *fd_read,
|
|
IOHandler *fd_write,
|
|
void *opaque)
|
|
{
|
|
IOHandlerRecord **pioh, *ioh;
|
|
|
|
if (!fd_read && !fd_write) {
|
|
pioh = &first_io_handler;
|
|
for(;;) {
|
|
ioh = *pioh;
|
|
if (ioh == NULL)
|
|
break;
|
|
if (ioh->fd == fd) {
|
|
ioh->deleted = 1;
|
|
break;
|
|
}
|
|
pioh = &ioh->next;
|
|
}
|
|
} else {
|
|
for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) {
|
|
if (ioh->fd == fd)
|
|
goto found;
|
|
}
|
|
ioh = qemu_mallocz(sizeof(IOHandlerRecord));
|
|
if (!ioh)
|
|
return -1;
|
|
ioh->next = first_io_handler;
|
|
first_io_handler = ioh;
|
|
found:
|
|
ioh->fd = fd;
|
|
ioh->fd_read_poll = fd_read_poll;
|
|
ioh->fd_read = fd_read;
|
|
ioh->fd_write = fd_write;
|
|
ioh->opaque = opaque;
|
|
ioh->deleted = 0;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
int qemu_set_fd_handler(int fd,
|
|
IOHandler *fd_read,
|
|
IOHandler *fd_write,
|
|
void *opaque)
|
|
{
|
|
return qemu_set_fd_handler2(fd, NULL, fd_read, fd_write, opaque);
|
|
}
|
|
|
|
#ifdef _WIN32
|
|
/***********************************************************/
|
|
/* Polling handling */
|
|
|
|
typedef struct PollingEntry {
|
|
PollingFunc *func;
|
|
void *opaque;
|
|
struct PollingEntry *next;
|
|
} PollingEntry;
|
|
|
|
static PollingEntry *first_polling_entry;
|
|
|
|
int qemu_add_polling_cb(PollingFunc *func, void *opaque)
|
|
{
|
|
PollingEntry **ppe, *pe;
|
|
pe = qemu_mallocz(sizeof(PollingEntry));
|
|
if (!pe)
|
|
return -1;
|
|
pe->func = func;
|
|
pe->opaque = opaque;
|
|
for(ppe = &first_polling_entry; *ppe != NULL; ppe = &(*ppe)->next);
|
|
*ppe = pe;
|
|
return 0;
|
|
}
|
|
|
|
void qemu_del_polling_cb(PollingFunc *func, void *opaque)
|
|
{
|
|
PollingEntry **ppe, *pe;
|
|
for(ppe = &first_polling_entry; *ppe != NULL; ppe = &(*ppe)->next) {
|
|
pe = *ppe;
|
|
if (pe->func == func && pe->opaque == opaque) {
|
|
*ppe = pe->next;
|
|
qemu_free(pe);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
/***********************************************************/
|
|
/* Wait objects support */
|
|
typedef struct WaitObjects {
|
|
int num;
|
|
HANDLE events[MAXIMUM_WAIT_OBJECTS + 1];
|
|
WaitObjectFunc *func[MAXIMUM_WAIT_OBJECTS + 1];
|
|
void *opaque[MAXIMUM_WAIT_OBJECTS + 1];
|
|
} WaitObjects;
|
|
|
|
static WaitObjects wait_objects = {0};
|
|
|
|
int qemu_add_wait_object(HANDLE handle, WaitObjectFunc *func, void *opaque)
|
|
{
|
|
WaitObjects *w = &wait_objects;
|
|
|
|
if (w->num >= MAXIMUM_WAIT_OBJECTS)
|
|
return -1;
|
|
w->events[w->num] = handle;
|
|
w->func[w->num] = func;
|
|
w->opaque[w->num] = opaque;
|
|
w->num++;
|
|
return 0;
|
|
}
|
|
|
|
void qemu_del_wait_object(HANDLE handle, WaitObjectFunc *func, void *opaque)
|
|
{
|
|
int i, found;
|
|
WaitObjects *w = &wait_objects;
|
|
|
|
found = 0;
|
|
for (i = 0; i < w->num; i++) {
|
|
if (w->events[i] == handle)
|
|
found = 1;
|
|
if (found) {
|
|
w->events[i] = w->events[i + 1];
|
|
w->func[i] = w->func[i + 1];
|
|
w->opaque[i] = w->opaque[i + 1];
|
|
}
|
|
}
|
|
if (found)
|
|
w->num--;
|
|
}
|
|
#endif
|
|
|
|
#define SELF_ANNOUNCE_ROUNDS 5
|
|
#define ETH_P_EXPERIMENTAL 0x01F1 /* just a number */
|
|
//#define ETH_P_EXPERIMENTAL 0x0012 /* make it the size of the packet */
|
|
#define EXPERIMENTAL_MAGIC 0xf1f23f4f
|
|
|
|
static int announce_self_create(uint8_t *buf,
|
|
uint8_t *mac_addr)
|
|
{
|
|
uint32_t magic = EXPERIMENTAL_MAGIC;
|
|
uint16_t proto = htons(ETH_P_EXPERIMENTAL);
|
|
|
|
/* FIXME: should we send a different packet (arp/rarp/ping)? */
|
|
|
|
memset(buf, 0xff, 6); /* h_dst */
|
|
memcpy(buf + 6, mac_addr, 6); /* h_src */
|
|
memcpy(buf + 12, &proto, 2); /* h_proto */
|
|
memcpy(buf + 14, &magic, 4); /* magic */
|
|
|
|
return 18; /* len */
|
|
}
|
|
|
|
void qemu_announce_self(void)
|
|
{
|
|
int i, j, len;
|
|
VLANState *vlan;
|
|
VLANClientState *vc;
|
|
uint8_t buf[256];
|
|
|
|
for (i = 0; i < nb_nics; i++) {
|
|
len = announce_self_create(buf, nd_table[i].macaddr);
|
|
vlan = nd_table[i].vlan;
|
|
for(vc = vlan->first_client; vc != NULL; vc = vc->next) {
|
|
for (j=0; j < SELF_ANNOUNCE_ROUNDS; j++)
|
|
vc->fd_read(vc->opaque, buf, len);
|
|
}
|
|
}
|
|
}
|
|
|
|
/***********************************************************/
|
|
/* savevm/loadvm support */
|
|
|
|
#define IO_BUF_SIZE 32768
|
|
|
|
struct QEMUFile {
|
|
QEMUFilePutBufferFunc *put_buffer;
|
|
QEMUFileGetBufferFunc *get_buffer;
|
|
QEMUFileCloseFunc *close;
|
|
QEMUFileRateLimit *rate_limit;
|
|
void *opaque;
|
|
int is_write;
|
|
|
|
int64_t buf_offset; /* start of buffer when writing, end of buffer
|
|
when reading */
|
|
int buf_index;
|
|
int buf_size; /* 0 when writing */
|
|
uint8_t buf[IO_BUF_SIZE];
|
|
|
|
int has_error;
|
|
};
|
|
|
|
typedef struct QEMUFileSocket
|
|
{
|
|
int fd;
|
|
QEMUFile *file;
|
|
} QEMUFileSocket;
|
|
|
|
static int socket_get_buffer(void *opaque, uint8_t *buf, int64_t pos, int size)
|
|
{
|
|
QEMUFileSocket *s = opaque;
|
|
ssize_t len;
|
|
|
|
do {
|
|
len = recv(s->fd, buf, size, 0);
|
|
} while (len == -1 && socket_error() == EINTR);
|
|
|
|
if (len == -1)
|
|
len = -socket_error();
|
|
|
|
return len;
|
|
}
|
|
|
|
static int socket_close(void *opaque)
|
|
{
|
|
QEMUFileSocket *s = opaque;
|
|
qemu_free(s);
|
|
return 0;
|
|
}
|
|
|
|
QEMUFile *qemu_fopen_socket(int fd)
|
|
{
|
|
QEMUFileSocket *s = qemu_mallocz(sizeof(QEMUFileSocket));
|
|
|
|
if (s == NULL)
|
|
return NULL;
|
|
|
|
s->fd = fd;
|
|
s->file = qemu_fopen_ops(s, NULL, socket_get_buffer, socket_close, NULL);
|
|
return s->file;
|
|
}
|
|
|
|
typedef struct QEMUFileStdio
|
|
{
|
|
FILE *outfile;
|
|
} QEMUFileStdio;
|
|
|
|
static int file_put_buffer(void *opaque, const uint8_t *buf,
|
|
int64_t pos, int size)
|
|
{
|
|
QEMUFileStdio *s = opaque;
|
|
fseek(s->outfile, pos, SEEK_SET);
|
|
fwrite(buf, 1, size, s->outfile);
|
|
return size;
|
|
}
|
|
|
|
static int file_get_buffer(void *opaque, uint8_t *buf, int64_t pos, int size)
|
|
{
|
|
QEMUFileStdio *s = opaque;
|
|
fseek(s->outfile, pos, SEEK_SET);
|
|
return fread(buf, 1, size, s->outfile);
|
|
}
|
|
|
|
static int file_close(void *opaque)
|
|
{
|
|
QEMUFileStdio *s = opaque;
|
|
fclose(s->outfile);
|
|
qemu_free(s);
|
|
return 0;
|
|
}
|
|
|
|
QEMUFile *qemu_fopen(const char *filename, const char *mode)
|
|
{
|
|
QEMUFileStdio *s;
|
|
|
|
s = qemu_mallocz(sizeof(QEMUFileStdio));
|
|
if (!s)
|
|
return NULL;
|
|
|
|
s->outfile = fopen(filename, mode);
|
|
if (!s->outfile)
|
|
goto fail;
|
|
|
|
if (!strcmp(mode, "wb"))
|
|
return qemu_fopen_ops(s, file_put_buffer, NULL, file_close, NULL);
|
|
else if (!strcmp(mode, "rb"))
|
|
return qemu_fopen_ops(s, NULL, file_get_buffer, file_close, NULL);
|
|
|
|
fail:
|
|
if (s->outfile)
|
|
fclose(s->outfile);
|
|
qemu_free(s);
|
|
return NULL;
|
|
}
|
|
|
|
typedef struct QEMUFileBdrv
|
|
{
|
|
BlockDriverState *bs;
|
|
int64_t base_offset;
|
|
} QEMUFileBdrv;
|
|
|
|
static int bdrv_put_buffer(void *opaque, const uint8_t *buf,
|
|
int64_t pos, int size)
|
|
{
|
|
QEMUFileBdrv *s = opaque;
|
|
bdrv_pwrite(s->bs, s->base_offset + pos, buf, size);
|
|
return size;
|
|
}
|
|
|
|
static int bdrv_get_buffer(void *opaque, uint8_t *buf, int64_t pos, int size)
|
|
{
|
|
QEMUFileBdrv *s = opaque;
|
|
return bdrv_pread(s->bs, s->base_offset + pos, buf, size);
|
|
}
|
|
|
|
static int bdrv_fclose(void *opaque)
|
|
{
|
|
QEMUFileBdrv *s = opaque;
|
|
qemu_free(s);
|
|
return 0;
|
|
}
|
|
|
|
static QEMUFile *qemu_fopen_bdrv(BlockDriverState *bs, int64_t offset, int is_writable)
|
|
{
|
|
QEMUFileBdrv *s;
|
|
|
|
s = qemu_mallocz(sizeof(QEMUFileBdrv));
|
|
if (!s)
|
|
return NULL;
|
|
|
|
s->bs = bs;
|
|
s->base_offset = offset;
|
|
|
|
if (is_writable)
|
|
return qemu_fopen_ops(s, bdrv_put_buffer, NULL, bdrv_fclose, NULL);
|
|
|
|
return qemu_fopen_ops(s, NULL, bdrv_get_buffer, bdrv_fclose, NULL);
|
|
}
|
|
|
|
QEMUFile *qemu_fopen_ops(void *opaque, QEMUFilePutBufferFunc *put_buffer,
|
|
QEMUFileGetBufferFunc *get_buffer,
|
|
QEMUFileCloseFunc *close,
|
|
QEMUFileRateLimit *rate_limit)
|
|
{
|
|
QEMUFile *f;
|
|
|
|
f = qemu_mallocz(sizeof(QEMUFile));
|
|
if (!f)
|
|
return NULL;
|
|
|
|
f->opaque = opaque;
|
|
f->put_buffer = put_buffer;
|
|
f->get_buffer = get_buffer;
|
|
f->close = close;
|
|
f->rate_limit = rate_limit;
|
|
f->is_write = 0;
|
|
|
|
return f;
|
|
}
|
|
|
|
int qemu_file_has_error(QEMUFile *f)
|
|
{
|
|
return f->has_error;
|
|
}
|
|
|
|
void qemu_fflush(QEMUFile *f)
|
|
{
|
|
if (!f->put_buffer)
|
|
return;
|
|
|
|
if (f->is_write && f->buf_index > 0) {
|
|
int len;
|
|
|
|
len = f->put_buffer(f->opaque, f->buf, f->buf_offset, f->buf_index);
|
|
if (len > 0)
|
|
f->buf_offset += f->buf_index;
|
|
else
|
|
f->has_error = 1;
|
|
f->buf_index = 0;
|
|
}
|
|
}
|
|
|
|
static void qemu_fill_buffer(QEMUFile *f)
|
|
{
|
|
int len;
|
|
|
|
if (!f->get_buffer)
|
|
return;
|
|
|
|
if (f->is_write)
|
|
abort();
|
|
|
|
len = f->get_buffer(f->opaque, f->buf, f->buf_offset, IO_BUF_SIZE);
|
|
if (len > 0) {
|
|
f->buf_index = 0;
|
|
f->buf_size = len;
|
|
f->buf_offset += len;
|
|
} else if (len != -EAGAIN)
|
|
f->has_error = 1;
|
|
}
|
|
|
|
int qemu_fclose(QEMUFile *f)
|
|
{
|
|
int ret = 0;
|
|
qemu_fflush(f);
|
|
if (f->close)
|
|
ret = f->close(f->opaque);
|
|
qemu_free(f);
|
|
return ret;
|
|
}
|
|
|
|
void qemu_file_put_notify(QEMUFile *f)
|
|
{
|
|
f->put_buffer(f->opaque, NULL, 0, 0);
|
|
}
|
|
|
|
void qemu_put_buffer(QEMUFile *f, const uint8_t *buf, int size)
|
|
{
|
|
int l;
|
|
|
|
if (!f->has_error && f->is_write == 0 && f->buf_index > 0) {
|
|
fprintf(stderr,
|
|
"Attempted to write to buffer while read buffer is not empty\n");
|
|
abort();
|
|
}
|
|
|
|
while (!f->has_error && size > 0) {
|
|
l = IO_BUF_SIZE - f->buf_index;
|
|
if (l > size)
|
|
l = size;
|
|
memcpy(f->buf + f->buf_index, buf, l);
|
|
f->is_write = 1;
|
|
f->buf_index += l;
|
|
buf += l;
|
|
size -= l;
|
|
if (f->buf_index >= IO_BUF_SIZE)
|
|
qemu_fflush(f);
|
|
}
|
|
}
|
|
|
|
void qemu_put_byte(QEMUFile *f, int v)
|
|
{
|
|
if (!f->has_error && f->is_write == 0 && f->buf_index > 0) {
|
|
fprintf(stderr,
|
|
"Attempted to write to buffer while read buffer is not empty\n");
|
|
abort();
|
|
}
|
|
|
|
f->buf[f->buf_index++] = v;
|
|
f->is_write = 1;
|
|
if (f->buf_index >= IO_BUF_SIZE)
|
|
qemu_fflush(f);
|
|
}
|
|
|
|
int qemu_get_buffer(QEMUFile *f, uint8_t *buf, int size1)
|
|
{
|
|
int size, l;
|
|
|
|
if (f->is_write)
|
|
abort();
|
|
|
|
size = size1;
|
|
while (size > 0) {
|
|
l = f->buf_size - f->buf_index;
|
|
if (l == 0) {
|
|
qemu_fill_buffer(f);
|
|
l = f->buf_size - f->buf_index;
|
|
if (l == 0)
|
|
break;
|
|
}
|
|
if (l > size)
|
|
l = size;
|
|
memcpy(buf, f->buf + f->buf_index, l);
|
|
f->buf_index += l;
|
|
buf += l;
|
|
size -= l;
|
|
}
|
|
return size1 - size;
|
|
}
|
|
|
|
int qemu_get_byte(QEMUFile *f)
|
|
{
|
|
if (f->is_write)
|
|
abort();
|
|
|
|
if (f->buf_index >= f->buf_size) {
|
|
qemu_fill_buffer(f);
|
|
if (f->buf_index >= f->buf_size)
|
|
return 0;
|
|
}
|
|
return f->buf[f->buf_index++];
|
|
}
|
|
|
|
int64_t qemu_ftell(QEMUFile *f)
|
|
{
|
|
return f->buf_offset - f->buf_size + f->buf_index;
|
|
}
|
|
|
|
int64_t qemu_fseek(QEMUFile *f, int64_t pos, int whence)
|
|
{
|
|
if (whence == SEEK_SET) {
|
|
/* nothing to do */
|
|
} else if (whence == SEEK_CUR) {
|
|
pos += qemu_ftell(f);
|
|
} else {
|
|
/* SEEK_END not supported */
|
|
return -1;
|
|
}
|
|
if (f->put_buffer) {
|
|
qemu_fflush(f);
|
|
f->buf_offset = pos;
|
|
} else {
|
|
f->buf_offset = pos;
|
|
f->buf_index = 0;
|
|
f->buf_size = 0;
|
|
}
|
|
return pos;
|
|
}
|
|
|
|
int qemu_file_rate_limit(QEMUFile *f)
|
|
{
|
|
if (f->rate_limit)
|
|
return f->rate_limit(f->opaque);
|
|
|
|
return 0;
|
|
}
|
|
|
|
void qemu_put_be16(QEMUFile *f, unsigned int v)
|
|
{
|
|
qemu_put_byte(f, v >> 8);
|
|
qemu_put_byte(f, v);
|
|
}
|
|
|
|
void qemu_put_be32(QEMUFile *f, unsigned int v)
|
|
{
|
|
qemu_put_byte(f, v >> 24);
|
|
qemu_put_byte(f, v >> 16);
|
|
qemu_put_byte(f, v >> 8);
|
|
qemu_put_byte(f, v);
|
|
}
|
|
|
|
void qemu_put_be64(QEMUFile *f, uint64_t v)
|
|
{
|
|
qemu_put_be32(f, v >> 32);
|
|
qemu_put_be32(f, v);
|
|
}
|
|
|
|
unsigned int qemu_get_be16(QEMUFile *f)
|
|
{
|
|
unsigned int v;
|
|
v = qemu_get_byte(f) << 8;
|
|
v |= qemu_get_byte(f);
|
|
return v;
|
|
}
|
|
|
|
unsigned int qemu_get_be32(QEMUFile *f)
|
|
{
|
|
unsigned int v;
|
|
v = qemu_get_byte(f) << 24;
|
|
v |= qemu_get_byte(f) << 16;
|
|
v |= qemu_get_byte(f) << 8;
|
|
v |= qemu_get_byte(f);
|
|
return v;
|
|
}
|
|
|
|
uint64_t qemu_get_be64(QEMUFile *f)
|
|
{
|
|
uint64_t v;
|
|
v = (uint64_t)qemu_get_be32(f) << 32;
|
|
v |= qemu_get_be32(f);
|
|
return v;
|
|
}
|
|
|
|
typedef struct SaveStateEntry {
|
|
char idstr[256];
|
|
int instance_id;
|
|
int version_id;
|
|
int section_id;
|
|
SaveLiveStateHandler *save_live_state;
|
|
SaveStateHandler *save_state;
|
|
LoadStateHandler *load_state;
|
|
void *opaque;
|
|
struct SaveStateEntry *next;
|
|
} SaveStateEntry;
|
|
|
|
static SaveStateEntry *first_se;
|
|
|
|
/* TODO: Individual devices generally have very little idea about the rest
|
|
of the system, so instance_id should be removed/replaced.
|
|
Meanwhile pass -1 as instance_id if you do not already have a clearly
|
|
distinguishing id for all instances of your device class. */
|
|
int register_savevm_live(const char *idstr,
|
|
int instance_id,
|
|
int version_id,
|
|
SaveLiveStateHandler *save_live_state,
|
|
SaveStateHandler *save_state,
|
|
LoadStateHandler *load_state,
|
|
void *opaque)
|
|
{
|
|
SaveStateEntry *se, **pse;
|
|
static int global_section_id;
|
|
|
|
se = qemu_malloc(sizeof(SaveStateEntry));
|
|
if (!se)
|
|
return -1;
|
|
pstrcpy(se->idstr, sizeof(se->idstr), idstr);
|
|
se->instance_id = (instance_id == -1) ? 0 : instance_id;
|
|
se->version_id = version_id;
|
|
se->section_id = global_section_id++;
|
|
se->save_live_state = save_live_state;
|
|
se->save_state = save_state;
|
|
se->load_state = load_state;
|
|
se->opaque = opaque;
|
|
se->next = NULL;
|
|
|
|
/* add at the end of list */
|
|
pse = &first_se;
|
|
while (*pse != NULL) {
|
|
if (instance_id == -1
|
|
&& strcmp(se->idstr, (*pse)->idstr) == 0
|
|
&& se->instance_id <= (*pse)->instance_id)
|
|
se->instance_id = (*pse)->instance_id + 1;
|
|
pse = &(*pse)->next;
|
|
}
|
|
*pse = se;
|
|
return 0;
|
|
}
|
|
|
|
int register_savevm(const char *idstr,
|
|
int instance_id,
|
|
int version_id,
|
|
SaveStateHandler *save_state,
|
|
LoadStateHandler *load_state,
|
|
void *opaque)
|
|
{
|
|
return register_savevm_live(idstr, instance_id, version_id,
|
|
NULL, save_state, load_state, opaque);
|
|
}
|
|
|
|
#define QEMU_VM_FILE_MAGIC 0x5145564d
|
|
#define QEMU_VM_FILE_VERSION_COMPAT 0x00000002
|
|
#define QEMU_VM_FILE_VERSION 0x00000003
|
|
|
|
#define QEMU_VM_EOF 0x00
|
|
#define QEMU_VM_SECTION_START 0x01
|
|
#define QEMU_VM_SECTION_PART 0x02
|
|
#define QEMU_VM_SECTION_END 0x03
|
|
#define QEMU_VM_SECTION_FULL 0x04
|
|
|
|
int qemu_savevm_state_begin(QEMUFile *f)
|
|
{
|
|
SaveStateEntry *se;
|
|
|
|
qemu_put_be32(f, QEMU_VM_FILE_MAGIC);
|
|
qemu_put_be32(f, QEMU_VM_FILE_VERSION);
|
|
|
|
for (se = first_se; se != NULL; se = se->next) {
|
|
int len;
|
|
|
|
if (se->save_live_state == NULL)
|
|
continue;
|
|
|
|
/* Section type */
|
|
qemu_put_byte(f, QEMU_VM_SECTION_START);
|
|
qemu_put_be32(f, se->section_id);
|
|
|
|
/* ID string */
|
|
len = strlen(se->idstr);
|
|
qemu_put_byte(f, len);
|
|
qemu_put_buffer(f, (uint8_t *)se->idstr, len);
|
|
|
|
qemu_put_be32(f, se->instance_id);
|
|
qemu_put_be32(f, se->version_id);
|
|
|
|
se->save_live_state(f, QEMU_VM_SECTION_START, se->opaque);
|
|
}
|
|
|
|
if (qemu_file_has_error(f))
|
|
return -EIO;
|
|
|
|
return 0;
|
|
}
|
|
|
|
int qemu_savevm_state_iterate(QEMUFile *f)
|
|
{
|
|
SaveStateEntry *se;
|
|
int ret = 1;
|
|
|
|
for (se = first_se; se != NULL; se = se->next) {
|
|
if (se->save_live_state == NULL)
|
|
continue;
|
|
|
|
/* Section type */
|
|
qemu_put_byte(f, QEMU_VM_SECTION_PART);
|
|
qemu_put_be32(f, se->section_id);
|
|
|
|
ret &= !!se->save_live_state(f, QEMU_VM_SECTION_PART, se->opaque);
|
|
}
|
|
|
|
if (ret)
|
|
return 1;
|
|
|
|
if (qemu_file_has_error(f))
|
|
return -EIO;
|
|
|
|
return 0;
|
|
}
|
|
|
|
int qemu_savevm_state_complete(QEMUFile *f)
|
|
{
|
|
SaveStateEntry *se;
|
|
|
|
for (se = first_se; se != NULL; se = se->next) {
|
|
if (se->save_live_state == NULL)
|
|
continue;
|
|
|
|
/* Section type */
|
|
qemu_put_byte(f, QEMU_VM_SECTION_END);
|
|
qemu_put_be32(f, se->section_id);
|
|
|
|
se->save_live_state(f, QEMU_VM_SECTION_END, se->opaque);
|
|
}
|
|
|
|
for(se = first_se; se != NULL; se = se->next) {
|
|
int len;
|
|
|
|
if (se->save_state == NULL)
|
|
continue;
|
|
|
|
/* Section type */
|
|
qemu_put_byte(f, QEMU_VM_SECTION_FULL);
|
|
qemu_put_be32(f, se->section_id);
|
|
|
|
/* ID string */
|
|
len = strlen(se->idstr);
|
|
qemu_put_byte(f, len);
|
|
qemu_put_buffer(f, (uint8_t *)se->idstr, len);
|
|
|
|
qemu_put_be32(f, se->instance_id);
|
|
qemu_put_be32(f, se->version_id);
|
|
|
|
se->save_state(f, se->opaque);
|
|
}
|
|
|
|
qemu_put_byte(f, QEMU_VM_EOF);
|
|
|
|
if (qemu_file_has_error(f))
|
|
return -EIO;
|
|
|
|
return 0;
|
|
}
|
|
|
|
int qemu_savevm_state(QEMUFile *f)
|
|
{
|
|
int saved_vm_running;
|
|
int ret;
|
|
|
|
saved_vm_running = vm_running;
|
|
vm_stop(0);
|
|
|
|
bdrv_flush_all();
|
|
|
|
ret = qemu_savevm_state_begin(f);
|
|
if (ret < 0)
|
|
goto out;
|
|
|
|
do {
|
|
ret = qemu_savevm_state_iterate(f);
|
|
if (ret < 0)
|
|
goto out;
|
|
} while (ret == 0);
|
|
|
|
ret = qemu_savevm_state_complete(f);
|
|
|
|
out:
|
|
if (qemu_file_has_error(f))
|
|
ret = -EIO;
|
|
|
|
if (!ret && saved_vm_running)
|
|
vm_start();
|
|
|
|
return ret;
|
|
}
|
|
|
|
static SaveStateEntry *find_se(const char *idstr, int instance_id)
|
|
{
|
|
SaveStateEntry *se;
|
|
|
|
for(se = first_se; se != NULL; se = se->next) {
|
|
if (!strcmp(se->idstr, idstr) &&
|
|
instance_id == se->instance_id)
|
|
return se;
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
typedef struct LoadStateEntry {
|
|
SaveStateEntry *se;
|
|
int section_id;
|
|
int version_id;
|
|
struct LoadStateEntry *next;
|
|
} LoadStateEntry;
|
|
|
|
static int qemu_loadvm_state_v2(QEMUFile *f)
|
|
{
|
|
SaveStateEntry *se;
|
|
int len, ret, instance_id, record_len, version_id;
|
|
int64_t total_len, end_pos, cur_pos;
|
|
char idstr[256];
|
|
|
|
total_len = qemu_get_be64(f);
|
|
end_pos = total_len + qemu_ftell(f);
|
|
for(;;) {
|
|
if (qemu_ftell(f) >= end_pos)
|
|
break;
|
|
len = qemu_get_byte(f);
|
|
qemu_get_buffer(f, (uint8_t *)idstr, len);
|
|
idstr[len] = '\0';
|
|
instance_id = qemu_get_be32(f);
|
|
version_id = qemu_get_be32(f);
|
|
record_len = qemu_get_be32(f);
|
|
cur_pos = qemu_ftell(f);
|
|
se = find_se(idstr, instance_id);
|
|
if (!se) {
|
|
fprintf(stderr, "qemu: warning: instance 0x%x of device '%s' not present in current VM\n",
|
|
instance_id, idstr);
|
|
} else {
|
|
ret = se->load_state(f, se->opaque, version_id);
|
|
if (ret < 0) {
|
|
fprintf(stderr, "qemu: warning: error while loading state for instance 0x%x of device '%s'\n",
|
|
instance_id, idstr);
|
|
}
|
|
}
|
|
/* always seek to exact end of record */
|
|
qemu_fseek(f, cur_pos + record_len, SEEK_SET);
|
|
}
|
|
|
|
if (qemu_file_has_error(f))
|
|
return -EIO;
|
|
|
|
return 0;
|
|
}
|
|
|
|
int qemu_loadvm_state(QEMUFile *f)
|
|
{
|
|
LoadStateEntry *first_le = NULL;
|
|
uint8_t section_type;
|
|
unsigned int v;
|
|
int ret;
|
|
|
|
v = qemu_get_be32(f);
|
|
if (v != QEMU_VM_FILE_MAGIC)
|
|
return -EINVAL;
|
|
|
|
v = qemu_get_be32(f);
|
|
if (v == QEMU_VM_FILE_VERSION_COMPAT)
|
|
return qemu_loadvm_state_v2(f);
|
|
if (v != QEMU_VM_FILE_VERSION)
|
|
return -ENOTSUP;
|
|
|
|
while ((section_type = qemu_get_byte(f)) != QEMU_VM_EOF) {
|
|
uint32_t instance_id, version_id, section_id;
|
|
LoadStateEntry *le;
|
|
SaveStateEntry *se;
|
|
char idstr[257];
|
|
int len;
|
|
|
|
switch (section_type) {
|
|
case QEMU_VM_SECTION_START:
|
|
case QEMU_VM_SECTION_FULL:
|
|
/* Read section start */
|
|
section_id = qemu_get_be32(f);
|
|
len = qemu_get_byte(f);
|
|
qemu_get_buffer(f, (uint8_t *)idstr, len);
|
|
idstr[len] = 0;
|
|
instance_id = qemu_get_be32(f);
|
|
version_id = qemu_get_be32(f);
|
|
|
|
/* Find savevm section */
|
|
se = find_se(idstr, instance_id);
|
|
if (se == NULL) {
|
|
fprintf(stderr, "Unknown savevm section or instance '%s' %d\n", idstr, instance_id);
|
|
ret = -EINVAL;
|
|
goto out;
|
|
}
|
|
|
|
/* Validate version */
|
|
if (version_id > se->version_id) {
|
|
fprintf(stderr, "savevm: unsupported version %d for '%s' v%d\n",
|
|
version_id, idstr, se->version_id);
|
|
ret = -EINVAL;
|
|
goto out;
|
|
}
|
|
|
|
/* Add entry */
|
|
le = qemu_mallocz(sizeof(*le));
|
|
if (le == NULL) {
|
|
ret = -ENOMEM;
|
|
goto out;
|
|
}
|
|
|
|
le->se = se;
|
|
le->section_id = section_id;
|
|
le->version_id = version_id;
|
|
le->next = first_le;
|
|
first_le = le;
|
|
|
|
le->se->load_state(f, le->se->opaque, le->version_id);
|
|
break;
|
|
case QEMU_VM_SECTION_PART:
|
|
case QEMU_VM_SECTION_END:
|
|
section_id = qemu_get_be32(f);
|
|
|
|
for (le = first_le; le && le->section_id != section_id; le = le->next);
|
|
if (le == NULL) {
|
|
fprintf(stderr, "Unknown savevm section %d\n", section_id);
|
|
ret = -EINVAL;
|
|
goto out;
|
|
}
|
|
|
|
le->se->load_state(f, le->se->opaque, le->version_id);
|
|
break;
|
|
default:
|
|
fprintf(stderr, "Unknown savevm section type %d\n", section_type);
|
|
ret = -EINVAL;
|
|
goto out;
|
|
}
|
|
}
|
|
|
|
ret = 0;
|
|
|
|
out:
|
|
while (first_le) {
|
|
LoadStateEntry *le = first_le;
|
|
first_le = first_le->next;
|
|
qemu_free(le);
|
|
}
|
|
|
|
if (qemu_file_has_error(f))
|
|
ret = -EIO;
|
|
|
|
return ret;
|
|
}
|
|
|
|
/* device can contain snapshots */
|
|
static int bdrv_can_snapshot(BlockDriverState *bs)
|
|
{
|
|
return (bs &&
|
|
!bdrv_is_removable(bs) &&
|
|
!bdrv_is_read_only(bs));
|
|
}
|
|
|
|
/* device must be snapshots in order to have a reliable snapshot */
|
|
static int bdrv_has_snapshot(BlockDriverState *bs)
|
|
{
|
|
return (bs &&
|
|
!bdrv_is_removable(bs) &&
|
|
!bdrv_is_read_only(bs));
|
|
}
|
|
|
|
static BlockDriverState *get_bs_snapshots(void)
|
|
{
|
|
BlockDriverState *bs;
|
|
int i;
|
|
|
|
if (bs_snapshots)
|
|
return bs_snapshots;
|
|
for(i = 0; i <= nb_drives; i++) {
|
|
bs = drives_table[i].bdrv;
|
|
if (bdrv_can_snapshot(bs))
|
|
goto ok;
|
|
}
|
|
return NULL;
|
|
ok:
|
|
bs_snapshots = bs;
|
|
return bs;
|
|
}
|
|
|
|
static int bdrv_snapshot_find(BlockDriverState *bs, QEMUSnapshotInfo *sn_info,
|
|
const char *name)
|
|
{
|
|
QEMUSnapshotInfo *sn_tab, *sn;
|
|
int nb_sns, i, ret;
|
|
|
|
ret = -ENOENT;
|
|
nb_sns = bdrv_snapshot_list(bs, &sn_tab);
|
|
if (nb_sns < 0)
|
|
return ret;
|
|
for(i = 0; i < nb_sns; i++) {
|
|
sn = &sn_tab[i];
|
|
if (!strcmp(sn->id_str, name) || !strcmp(sn->name, name)) {
|
|
*sn_info = *sn;
|
|
ret = 0;
|
|
break;
|
|
}
|
|
}
|
|
qemu_free(sn_tab);
|
|
return ret;
|
|
}
|
|
|
|
void do_savevm(const char *name)
|
|
{
|
|
BlockDriverState *bs, *bs1;
|
|
QEMUSnapshotInfo sn1, *sn = &sn1, old_sn1, *old_sn = &old_sn1;
|
|
int must_delete, ret, i;
|
|
BlockDriverInfo bdi1, *bdi = &bdi1;
|
|
QEMUFile *f;
|
|
int saved_vm_running;
|
|
#ifdef _WIN32
|
|
struct _timeb tb;
|
|
#else
|
|
struct timeval tv;
|
|
#endif
|
|
|
|
bs = get_bs_snapshots();
|
|
if (!bs) {
|
|
term_printf("No block device can accept snapshots\n");
|
|
return;
|
|
}
|
|
|
|
/* ??? Should this occur after vm_stop? */
|
|
qemu_aio_flush();
|
|
|
|
saved_vm_running = vm_running;
|
|
vm_stop(0);
|
|
|
|
must_delete = 0;
|
|
if (name) {
|
|
ret = bdrv_snapshot_find(bs, old_sn, name);
|
|
if (ret >= 0) {
|
|
must_delete = 1;
|
|
}
|
|
}
|
|
memset(sn, 0, sizeof(*sn));
|
|
if (must_delete) {
|
|
pstrcpy(sn->name, sizeof(sn->name), old_sn->name);
|
|
pstrcpy(sn->id_str, sizeof(sn->id_str), old_sn->id_str);
|
|
} else {
|
|
if (name)
|
|
pstrcpy(sn->name, sizeof(sn->name), name);
|
|
}
|
|
|
|
/* fill auxiliary fields */
|
|
#ifdef _WIN32
|
|
_ftime(&tb);
|
|
sn->date_sec = tb.time;
|
|
sn->date_nsec = tb.millitm * 1000000;
|
|
#else
|
|
gettimeofday(&tv, NULL);
|
|
sn->date_sec = tv.tv_sec;
|
|
sn->date_nsec = tv.tv_usec * 1000;
|
|
#endif
|
|
sn->vm_clock_nsec = qemu_get_clock(vm_clock);
|
|
|
|
if (bdrv_get_info(bs, bdi) < 0 || bdi->vm_state_offset <= 0) {
|
|
term_printf("Device %s does not support VM state snapshots\n",
|
|
bdrv_get_device_name(bs));
|
|
goto the_end;
|
|
}
|
|
|
|
/* save the VM state */
|
|
f = qemu_fopen_bdrv(bs, bdi->vm_state_offset, 1);
|
|
if (!f) {
|
|
term_printf("Could not open VM state file\n");
|
|
goto the_end;
|
|
}
|
|
ret = qemu_savevm_state(f);
|
|
sn->vm_state_size = qemu_ftell(f);
|
|
qemu_fclose(f);
|
|
if (ret < 0) {
|
|
term_printf("Error %d while writing VM\n", ret);
|
|
goto the_end;
|
|
}
|
|
|
|
/* create the snapshots */
|
|
|
|
for(i = 0; i < nb_drives; i++) {
|
|
bs1 = drives_table[i].bdrv;
|
|
if (bdrv_has_snapshot(bs1)) {
|
|
if (must_delete) {
|
|
ret = bdrv_snapshot_delete(bs1, old_sn->id_str);
|
|
if (ret < 0) {
|
|
term_printf("Error while deleting snapshot on '%s'\n",
|
|
bdrv_get_device_name(bs1));
|
|
}
|
|
}
|
|
ret = bdrv_snapshot_create(bs1, sn);
|
|
if (ret < 0) {
|
|
term_printf("Error while creating snapshot on '%s'\n",
|
|
bdrv_get_device_name(bs1));
|
|
}
|
|
}
|
|
}
|
|
|
|
the_end:
|
|
if (saved_vm_running)
|
|
vm_start();
|
|
}
|
|
|
|
void do_loadvm(const char *name)
|
|
{
|
|
BlockDriverState *bs, *bs1;
|
|
BlockDriverInfo bdi1, *bdi = &bdi1;
|
|
QEMUFile *f;
|
|
int i, ret;
|
|
int saved_vm_running;
|
|
|
|
bs = get_bs_snapshots();
|
|
if (!bs) {
|
|
term_printf("No block device supports snapshots\n");
|
|
return;
|
|
}
|
|
|
|
/* Flush all IO requests so they don't interfere with the new state. */
|
|
qemu_aio_flush();
|
|
|
|
saved_vm_running = vm_running;
|
|
vm_stop(0);
|
|
|
|
for(i = 0; i <= nb_drives; i++) {
|
|
bs1 = drives_table[i].bdrv;
|
|
if (bdrv_has_snapshot(bs1)) {
|
|
ret = bdrv_snapshot_goto(bs1, name);
|
|
if (ret < 0) {
|
|
if (bs != bs1)
|
|
term_printf("Warning: ");
|
|
switch(ret) {
|
|
case -ENOTSUP:
|
|
term_printf("Snapshots not supported on device '%s'\n",
|
|
bdrv_get_device_name(bs1));
|
|
break;
|
|
case -ENOENT:
|
|
term_printf("Could not find snapshot '%s' on device '%s'\n",
|
|
name, bdrv_get_device_name(bs1));
|
|
break;
|
|
default:
|
|
term_printf("Error %d while activating snapshot on '%s'\n",
|
|
ret, bdrv_get_device_name(bs1));
|
|
break;
|
|
}
|
|
/* fatal on snapshot block device */
|
|
if (bs == bs1)
|
|
goto the_end;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (bdrv_get_info(bs, bdi) < 0 || bdi->vm_state_offset <= 0) {
|
|
term_printf("Device %s does not support VM state snapshots\n",
|
|
bdrv_get_device_name(bs));
|
|
return;
|
|
}
|
|
|
|
/* restore the VM state */
|
|
f = qemu_fopen_bdrv(bs, bdi->vm_state_offset, 0);
|
|
if (!f) {
|
|
term_printf("Could not open VM state file\n");
|
|
goto the_end;
|
|
}
|
|
ret = qemu_loadvm_state(f);
|
|
qemu_fclose(f);
|
|
if (ret < 0) {
|
|
term_printf("Error %d while loading VM state\n", ret);
|
|
}
|
|
the_end:
|
|
if (saved_vm_running)
|
|
vm_start();
|
|
}
|
|
|
|
void do_delvm(const char *name)
|
|
{
|
|
BlockDriverState *bs, *bs1;
|
|
int i, ret;
|
|
|
|
bs = get_bs_snapshots();
|
|
if (!bs) {
|
|
term_printf("No block device supports snapshots\n");
|
|
return;
|
|
}
|
|
|
|
for(i = 0; i <= nb_drives; i++) {
|
|
bs1 = drives_table[i].bdrv;
|
|
if (bdrv_has_snapshot(bs1)) {
|
|
ret = bdrv_snapshot_delete(bs1, name);
|
|
if (ret < 0) {
|
|
if (ret == -ENOTSUP)
|
|
term_printf("Snapshots not supported on device '%s'\n",
|
|
bdrv_get_device_name(bs1));
|
|
else
|
|
term_printf("Error %d while deleting snapshot on '%s'\n",
|
|
ret, bdrv_get_device_name(bs1));
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void do_info_snapshots(void)
|
|
{
|
|
BlockDriverState *bs, *bs1;
|
|
QEMUSnapshotInfo *sn_tab, *sn;
|
|
int nb_sns, i;
|
|
char buf[256];
|
|
|
|
bs = get_bs_snapshots();
|
|
if (!bs) {
|
|
term_printf("No available block device supports snapshots\n");
|
|
return;
|
|
}
|
|
term_printf("Snapshot devices:");
|
|
for(i = 0; i <= nb_drives; i++) {
|
|
bs1 = drives_table[i].bdrv;
|
|
if (bdrv_has_snapshot(bs1)) {
|
|
if (bs == bs1)
|
|
term_printf(" %s", bdrv_get_device_name(bs1));
|
|
}
|
|
}
|
|
term_printf("\n");
|
|
|
|
nb_sns = bdrv_snapshot_list(bs, &sn_tab);
|
|
if (nb_sns < 0) {
|
|
term_printf("bdrv_snapshot_list: error %d\n", nb_sns);
|
|
return;
|
|
}
|
|
term_printf("Snapshot list (from %s):\n", bdrv_get_device_name(bs));
|
|
term_printf("%s\n", bdrv_snapshot_dump(buf, sizeof(buf), NULL));
|
|
for(i = 0; i < nb_sns; i++) {
|
|
sn = &sn_tab[i];
|
|
term_printf("%s\n", bdrv_snapshot_dump(buf, sizeof(buf), sn));
|
|
}
|
|
qemu_free(sn_tab);
|
|
}
|
|
|
|
/***********************************************************/
|
|
/* ram save/restore */
|
|
|
|
static int ram_get_page(QEMUFile *f, uint8_t *buf, int len)
|
|
{
|
|
int v;
|
|
|
|
v = qemu_get_byte(f);
|
|
switch(v) {
|
|
case 0:
|
|
if (qemu_get_buffer(f, buf, len) != len)
|
|
return -EIO;
|
|
break;
|
|
case 1:
|
|
v = qemu_get_byte(f);
|
|
memset(buf, v, len);
|
|
break;
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
|
|
if (qemu_file_has_error(f))
|
|
return -EIO;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int ram_load_v1(QEMUFile *f, void *opaque)
|
|
{
|
|
int ret;
|
|
ram_addr_t i;
|
|
|
|
if (qemu_get_be32(f) != phys_ram_size)
|
|
return -EINVAL;
|
|
for(i = 0; i < phys_ram_size; i+= TARGET_PAGE_SIZE) {
|
|
ret = ram_get_page(f, phys_ram_base + i, TARGET_PAGE_SIZE);
|
|
if (ret)
|
|
return ret;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
#define BDRV_HASH_BLOCK_SIZE 1024
|
|
#define IOBUF_SIZE 4096
|
|
#define RAM_CBLOCK_MAGIC 0xfabe
|
|
|
|
typedef struct RamDecompressState {
|
|
z_stream zstream;
|
|
QEMUFile *f;
|
|
uint8_t buf[IOBUF_SIZE];
|
|
} RamDecompressState;
|
|
|
|
static int ram_decompress_open(RamDecompressState *s, QEMUFile *f)
|
|
{
|
|
int ret;
|
|
memset(s, 0, sizeof(*s));
|
|
s->f = f;
|
|
ret = inflateInit(&s->zstream);
|
|
if (ret != Z_OK)
|
|
return -1;
|
|
return 0;
|
|
}
|
|
|
|
static int ram_decompress_buf(RamDecompressState *s, uint8_t *buf, int len)
|
|
{
|
|
int ret, clen;
|
|
|
|
s->zstream.avail_out = len;
|
|
s->zstream.next_out = buf;
|
|
while (s->zstream.avail_out > 0) {
|
|
if (s->zstream.avail_in == 0) {
|
|
if (qemu_get_be16(s->f) != RAM_CBLOCK_MAGIC)
|
|
return -1;
|
|
clen = qemu_get_be16(s->f);
|
|
if (clen > IOBUF_SIZE)
|
|
return -1;
|
|
qemu_get_buffer(s->f, s->buf, clen);
|
|
s->zstream.avail_in = clen;
|
|
s->zstream.next_in = s->buf;
|
|
}
|
|
ret = inflate(&s->zstream, Z_PARTIAL_FLUSH);
|
|
if (ret != Z_OK && ret != Z_STREAM_END) {
|
|
return -1;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static void ram_decompress_close(RamDecompressState *s)
|
|
{
|
|
inflateEnd(&s->zstream);
|
|
}
|
|
|
|
#define RAM_SAVE_FLAG_FULL 0x01
|
|
#define RAM_SAVE_FLAG_COMPRESS 0x02
|
|
#define RAM_SAVE_FLAG_MEM_SIZE 0x04
|
|
#define RAM_SAVE_FLAG_PAGE 0x08
|
|
#define RAM_SAVE_FLAG_EOS 0x10
|
|
|
|
static int is_dup_page(uint8_t *page, uint8_t ch)
|
|
{
|
|
uint32_t val = ch << 24 | ch << 16 | ch << 8 | ch;
|
|
uint32_t *array = (uint32_t *)page;
|
|
int i;
|
|
|
|
for (i = 0; i < (TARGET_PAGE_SIZE / 4); i++) {
|
|
if (array[i] != val)
|
|
return 0;
|
|
}
|
|
|
|
return 1;
|
|
}
|
|
|
|
static int ram_save_block(QEMUFile *f)
|
|
{
|
|
static ram_addr_t current_addr = 0;
|
|
ram_addr_t saved_addr = current_addr;
|
|
ram_addr_t addr = 0;
|
|
int found = 0;
|
|
|
|
while (addr < phys_ram_size) {
|
|
if (cpu_physical_memory_get_dirty(current_addr, MIGRATION_DIRTY_FLAG)) {
|
|
uint8_t ch;
|
|
|
|
cpu_physical_memory_reset_dirty(current_addr,
|
|
current_addr + TARGET_PAGE_SIZE,
|
|
MIGRATION_DIRTY_FLAG);
|
|
|
|
ch = *(phys_ram_base + current_addr);
|
|
|
|
if (is_dup_page(phys_ram_base + current_addr, ch)) {
|
|
qemu_put_be64(f, current_addr | RAM_SAVE_FLAG_COMPRESS);
|
|
qemu_put_byte(f, ch);
|
|
} else {
|
|
qemu_put_be64(f, current_addr | RAM_SAVE_FLAG_PAGE);
|
|
qemu_put_buffer(f, phys_ram_base + current_addr, TARGET_PAGE_SIZE);
|
|
}
|
|
|
|
found = 1;
|
|
break;
|
|
}
|
|
addr += TARGET_PAGE_SIZE;
|
|
current_addr = (saved_addr + addr) % phys_ram_size;
|
|
}
|
|
|
|
return found;
|
|
}
|
|
|
|
static ram_addr_t ram_save_threshold = 10;
|
|
|
|
static ram_addr_t ram_save_remaining(void)
|
|
{
|
|
ram_addr_t addr;
|
|
ram_addr_t count = 0;
|
|
|
|
for (addr = 0; addr < phys_ram_size; addr += TARGET_PAGE_SIZE) {
|
|
if (cpu_physical_memory_get_dirty(addr, MIGRATION_DIRTY_FLAG))
|
|
count++;
|
|
}
|
|
|
|
return count;
|
|
}
|
|
|
|
static int ram_save_live(QEMUFile *f, int stage, void *opaque)
|
|
{
|
|
ram_addr_t addr;
|
|
|
|
if (stage == 1) {
|
|
/* Make sure all dirty bits are set */
|
|
for (addr = 0; addr < phys_ram_size; addr += TARGET_PAGE_SIZE) {
|
|
if (!cpu_physical_memory_get_dirty(addr, MIGRATION_DIRTY_FLAG))
|
|
cpu_physical_memory_set_dirty(addr);
|
|
}
|
|
|
|
/* Enable dirty memory tracking */
|
|
cpu_physical_memory_set_dirty_tracking(1);
|
|
|
|
qemu_put_be64(f, phys_ram_size | RAM_SAVE_FLAG_MEM_SIZE);
|
|
}
|
|
|
|
while (!qemu_file_rate_limit(f)) {
|
|
int ret;
|
|
|
|
ret = ram_save_block(f);
|
|
if (ret == 0) /* no more blocks */
|
|
break;
|
|
}
|
|
|
|
/* try transferring iterative blocks of memory */
|
|
|
|
if (stage == 3) {
|
|
cpu_physical_memory_set_dirty_tracking(0);
|
|
|
|
/* flush all remaining blocks regardless of rate limiting */
|
|
while (ram_save_block(f) != 0);
|
|
}
|
|
|
|
qemu_put_be64(f, RAM_SAVE_FLAG_EOS);
|
|
|
|
return (stage == 2) && (ram_save_remaining() < ram_save_threshold);
|
|
}
|
|
|
|
static int ram_load_dead(QEMUFile *f, void *opaque)
|
|
{
|
|
RamDecompressState s1, *s = &s1;
|
|
uint8_t buf[10];
|
|
ram_addr_t i;
|
|
|
|
if (ram_decompress_open(s, f) < 0)
|
|
return -EINVAL;
|
|
for(i = 0; i < phys_ram_size; i+= BDRV_HASH_BLOCK_SIZE) {
|
|
if (ram_decompress_buf(s, buf, 1) < 0) {
|
|
fprintf(stderr, "Error while reading ram block header\n");
|
|
goto error;
|
|
}
|
|
if (buf[0] == 0) {
|
|
if (ram_decompress_buf(s, phys_ram_base + i, BDRV_HASH_BLOCK_SIZE) < 0) {
|
|
fprintf(stderr, "Error while reading ram block address=0x%08" PRIx64, (uint64_t)i);
|
|
goto error;
|
|
}
|
|
} else {
|
|
error:
|
|
printf("Error block header\n");
|
|
return -EINVAL;
|
|
}
|
|
}
|
|
ram_decompress_close(s);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int ram_load(QEMUFile *f, void *opaque, int version_id)
|
|
{
|
|
ram_addr_t addr;
|
|
int flags;
|
|
|
|
if (version_id == 1)
|
|
return ram_load_v1(f, opaque);
|
|
|
|
if (version_id == 2) {
|
|
if (qemu_get_be32(f) != phys_ram_size)
|
|
return -EINVAL;
|
|
return ram_load_dead(f, opaque);
|
|
}
|
|
|
|
if (version_id != 3)
|
|
return -EINVAL;
|
|
|
|
do {
|
|
addr = qemu_get_be64(f);
|
|
|
|
flags = addr & ~TARGET_PAGE_MASK;
|
|
addr &= TARGET_PAGE_MASK;
|
|
|
|
if (flags & RAM_SAVE_FLAG_MEM_SIZE) {
|
|
if (addr != phys_ram_size)
|
|
return -EINVAL;
|
|
}
|
|
|
|
if (flags & RAM_SAVE_FLAG_FULL) {
|
|
if (ram_load_dead(f, opaque) < 0)
|
|
return -EINVAL;
|
|
}
|
|
|
|
if (flags & RAM_SAVE_FLAG_COMPRESS) {
|
|
uint8_t ch = qemu_get_byte(f);
|
|
memset(phys_ram_base + addr, ch, TARGET_PAGE_SIZE);
|
|
} else if (flags & RAM_SAVE_FLAG_PAGE)
|
|
qemu_get_buffer(f, phys_ram_base + addr, TARGET_PAGE_SIZE);
|
|
} while (!(flags & RAM_SAVE_FLAG_EOS));
|
|
|
|
return 0;
|
|
}
|
|
|
|
void qemu_service_io(void)
|
|
{
|
|
CPUState *env = cpu_single_env;
|
|
if (env) {
|
|
cpu_interrupt(env, CPU_INTERRUPT_EXIT);
|
|
#ifdef USE_KQEMU
|
|
if (env->kqemu_enabled) {
|
|
kqemu_cpu_interrupt(env);
|
|
}
|
|
#endif
|
|
}
|
|
}
|
|
|
|
/***********************************************************/
|
|
/* bottom halves (can be seen as timers which expire ASAP) */
|
|
|
|
struct QEMUBH {
|
|
QEMUBHFunc *cb;
|
|
void *opaque;
|
|
int scheduled;
|
|
int idle;
|
|
int deleted;
|
|
QEMUBH *next;
|
|
};
|
|
|
|
static QEMUBH *first_bh = NULL;
|
|
|
|
QEMUBH *qemu_bh_new(QEMUBHFunc *cb, void *opaque)
|
|
{
|
|
QEMUBH *bh;
|
|
bh = qemu_mallocz(sizeof(QEMUBH));
|
|
if (!bh)
|
|
return NULL;
|
|
bh->cb = cb;
|
|
bh->opaque = opaque;
|
|
bh->next = first_bh;
|
|
first_bh = bh;
|
|
return bh;
|
|
}
|
|
|
|
int qemu_bh_poll(void)
|
|
{
|
|
QEMUBH *bh, **bhp;
|
|
int ret;
|
|
|
|
ret = 0;
|
|
for (bh = first_bh; bh; bh = bh->next) {
|
|
if (!bh->deleted && bh->scheduled) {
|
|
bh->scheduled = 0;
|
|
if (!bh->idle)
|
|
ret = 1;
|
|
bh->idle = 0;
|
|
bh->cb(bh->opaque);
|
|
}
|
|
}
|
|
|
|
/* remove deleted bhs */
|
|
bhp = &first_bh;
|
|
while (*bhp) {
|
|
bh = *bhp;
|
|
if (bh->deleted) {
|
|
*bhp = bh->next;
|
|
qemu_free(bh);
|
|
} else
|
|
bhp = &bh->next;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
void qemu_bh_schedule_idle(QEMUBH *bh)
|
|
{
|
|
if (bh->scheduled)
|
|
return;
|
|
bh->scheduled = 1;
|
|
bh->idle = 1;
|
|
}
|
|
|
|
void qemu_bh_schedule(QEMUBH *bh)
|
|
{
|
|
CPUState *env = cpu_single_env;
|
|
if (bh->scheduled)
|
|
return;
|
|
bh->scheduled = 1;
|
|
bh->idle = 0;
|
|
/* stop the currently executing CPU to execute the BH ASAP */
|
|
if (env) {
|
|
cpu_interrupt(env, CPU_INTERRUPT_EXIT);
|
|
}
|
|
}
|
|
|
|
void qemu_bh_cancel(QEMUBH *bh)
|
|
{
|
|
bh->scheduled = 0;
|
|
}
|
|
|
|
void qemu_bh_delete(QEMUBH *bh)
|
|
{
|
|
bh->scheduled = 0;
|
|
bh->deleted = 1;
|
|
}
|
|
|
|
static void qemu_bh_update_timeout(int *timeout)
|
|
{
|
|
QEMUBH *bh;
|
|
|
|
for (bh = first_bh; bh; bh = bh->next) {
|
|
if (!bh->deleted && bh->scheduled) {
|
|
if (bh->idle) {
|
|
/* idle bottom halves will be polled at least
|
|
* every 10ms */
|
|
*timeout = MIN(10, *timeout);
|
|
} else {
|
|
/* non-idle bottom halves will be executed
|
|
* immediately */
|
|
*timeout = 0;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/***********************************************************/
|
|
/* machine registration */
|
|
|
|
static QEMUMachine *first_machine = NULL;
|
|
|
|
int qemu_register_machine(QEMUMachine *m)
|
|
{
|
|
QEMUMachine **pm;
|
|
pm = &first_machine;
|
|
while (*pm != NULL)
|
|
pm = &(*pm)->next;
|
|
m->next = NULL;
|
|
*pm = m;
|
|
return 0;
|
|
}
|
|
|
|
static QEMUMachine *find_machine(const char *name)
|
|
{
|
|
QEMUMachine *m;
|
|
|
|
for(m = first_machine; m != NULL; m = m->next) {
|
|
if (!strcmp(m->name, name))
|
|
return m;
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
/***********************************************************/
|
|
/* main execution loop */
|
|
|
|
static void gui_update(void *opaque)
|
|
{
|
|
DisplayState *ds = opaque;
|
|
ds->dpy_refresh(ds);
|
|
qemu_mod_timer(ds->gui_timer,
|
|
(ds->gui_timer_interval ?
|
|
ds->gui_timer_interval :
|
|
GUI_REFRESH_INTERVAL)
|
|
+ qemu_get_clock(rt_clock));
|
|
}
|
|
|
|
struct vm_change_state_entry {
|
|
VMChangeStateHandler *cb;
|
|
void *opaque;
|
|
LIST_ENTRY (vm_change_state_entry) entries;
|
|
};
|
|
|
|
static LIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
|
|
|
|
VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
|
|
void *opaque)
|
|
{
|
|
VMChangeStateEntry *e;
|
|
|
|
e = qemu_mallocz(sizeof (*e));
|
|
if (!e)
|
|
return NULL;
|
|
|
|
e->cb = cb;
|
|
e->opaque = opaque;
|
|
LIST_INSERT_HEAD(&vm_change_state_head, e, entries);
|
|
return e;
|
|
}
|
|
|
|
void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
|
|
{
|
|
LIST_REMOVE (e, entries);
|
|
qemu_free (e);
|
|
}
|
|
|
|
static void vm_state_notify(int running)
|
|
{
|
|
VMChangeStateEntry *e;
|
|
|
|
for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
|
|
e->cb(e->opaque, running);
|
|
}
|
|
}
|
|
|
|
/* XXX: support several handlers */
|
|
static VMStopHandler *vm_stop_cb;
|
|
static void *vm_stop_opaque;
|
|
|
|
int qemu_add_vm_stop_handler(VMStopHandler *cb, void *opaque)
|
|
{
|
|
vm_stop_cb = cb;
|
|
vm_stop_opaque = opaque;
|
|
return 0;
|
|
}
|
|
|
|
void qemu_del_vm_stop_handler(VMStopHandler *cb, void *opaque)
|
|
{
|
|
vm_stop_cb = NULL;
|
|
}
|
|
|
|
void vm_start(void)
|
|
{
|
|
if (!vm_running) {
|
|
cpu_enable_ticks();
|
|
vm_running = 1;
|
|
vm_state_notify(1);
|
|
qemu_rearm_alarm_timer(alarm_timer);
|
|
}
|
|
}
|
|
|
|
void vm_stop(int reason)
|
|
{
|
|
if (vm_running) {
|
|
cpu_disable_ticks();
|
|
vm_running = 0;
|
|
if (reason != 0) {
|
|
if (vm_stop_cb) {
|
|
vm_stop_cb(vm_stop_opaque, reason);
|
|
}
|
|
}
|
|
vm_state_notify(0);
|
|
}
|
|
}
|
|
|
|
/* reset/shutdown handler */
|
|
|
|
typedef struct QEMUResetEntry {
|
|
QEMUResetHandler *func;
|
|
void *opaque;
|
|
struct QEMUResetEntry *next;
|
|
} QEMUResetEntry;
|
|
|
|
static QEMUResetEntry *first_reset_entry;
|
|
static int reset_requested;
|
|
static int shutdown_requested;
|
|
static int powerdown_requested;
|
|
|
|
int qemu_shutdown_requested(void)
|
|
{
|
|
int r = shutdown_requested;
|
|
shutdown_requested = 0;
|
|
return r;
|
|
}
|
|
|
|
int qemu_reset_requested(void)
|
|
{
|
|
int r = reset_requested;
|
|
reset_requested = 0;
|
|
return r;
|
|
}
|
|
|
|
int qemu_powerdown_requested(void)
|
|
{
|
|
int r = powerdown_requested;
|
|
powerdown_requested = 0;
|
|
return r;
|
|
}
|
|
|
|
void qemu_register_reset(QEMUResetHandler *func, void *opaque)
|
|
{
|
|
QEMUResetEntry **pre, *re;
|
|
|
|
pre = &first_reset_entry;
|
|
while (*pre != NULL)
|
|
pre = &(*pre)->next;
|
|
re = qemu_mallocz(sizeof(QEMUResetEntry));
|
|
re->func = func;
|
|
re->opaque = opaque;
|
|
re->next = NULL;
|
|
*pre = re;
|
|
}
|
|
|
|
void qemu_system_reset(void)
|
|
{
|
|
QEMUResetEntry *re;
|
|
|
|
/* reset all devices */
|
|
for(re = first_reset_entry; re != NULL; re = re->next) {
|
|
re->func(re->opaque);
|
|
}
|
|
}
|
|
|
|
void qemu_system_reset_request(void)
|
|
{
|
|
if (no_reboot) {
|
|
shutdown_requested = 1;
|
|
} else {
|
|
reset_requested = 1;
|
|
}
|
|
if (cpu_single_env)
|
|
cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT);
|
|
}
|
|
|
|
void qemu_system_shutdown_request(void)
|
|
{
|
|
shutdown_requested = 1;
|
|
if (cpu_single_env)
|
|
cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT);
|
|
}
|
|
|
|
void qemu_system_powerdown_request(void)
|
|
{
|
|
powerdown_requested = 1;
|
|
if (cpu_single_env)
|
|
cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT);
|
|
}
|
|
|
|
#ifdef _WIN32
|
|
void host_main_loop_wait(int *timeout)
|
|
{
|
|
int ret, ret2, i;
|
|
PollingEntry *pe;
|
|
|
|
|
|
/* XXX: need to suppress polling by better using win32 events */
|
|
ret = 0;
|
|
for(pe = first_polling_entry; pe != NULL; pe = pe->next) {
|
|
ret |= pe->func(pe->opaque);
|
|
}
|
|
if (ret == 0) {
|
|
int err;
|
|
WaitObjects *w = &wait_objects;
|
|
|
|
ret = WaitForMultipleObjects(w->num, w->events, FALSE, *timeout);
|
|
if (WAIT_OBJECT_0 + 0 <= ret && ret <= WAIT_OBJECT_0 + w->num - 1) {
|
|
if (w->func[ret - WAIT_OBJECT_0])
|
|
w->func[ret - WAIT_OBJECT_0](w->opaque[ret - WAIT_OBJECT_0]);
|
|
|
|
/* Check for additional signaled events */
|
|
for(i = (ret - WAIT_OBJECT_0 + 1); i < w->num; i++) {
|
|
|
|
/* Check if event is signaled */
|
|
ret2 = WaitForSingleObject(w->events[i], 0);
|
|
if(ret2 == WAIT_OBJECT_0) {
|
|
if (w->func[i])
|
|
w->func[i](w->opaque[i]);
|
|
} else if (ret2 == WAIT_TIMEOUT) {
|
|
} else {
|
|
err = GetLastError();
|
|
fprintf(stderr, "WaitForSingleObject error %d %d\n", i, err);
|
|
}
|
|
}
|
|
} else if (ret == WAIT_TIMEOUT) {
|
|
} else {
|
|
err = GetLastError();
|
|
fprintf(stderr, "WaitForMultipleObjects error %d %d\n", ret, err);
|
|
}
|
|
}
|
|
|
|
*timeout = 0;
|
|
}
|
|
#else
|
|
void host_main_loop_wait(int *timeout)
|
|
{
|
|
}
|
|
#endif
|
|
|
|
void main_loop_wait(int timeout)
|
|
{
|
|
IOHandlerRecord *ioh;
|
|
fd_set rfds, wfds, xfds;
|
|
int ret, nfds;
|
|
struct timeval tv;
|
|
|
|
qemu_bh_update_timeout(&timeout);
|
|
|
|
host_main_loop_wait(&timeout);
|
|
|
|
/* poll any events */
|
|
/* XXX: separate device handlers from system ones */
|
|
nfds = -1;
|
|
FD_ZERO(&rfds);
|
|
FD_ZERO(&wfds);
|
|
FD_ZERO(&xfds);
|
|
for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) {
|
|
if (ioh->deleted)
|
|
continue;
|
|
if (ioh->fd_read &&
|
|
(!ioh->fd_read_poll ||
|
|
ioh->fd_read_poll(ioh->opaque) != 0)) {
|
|
FD_SET(ioh->fd, &rfds);
|
|
if (ioh->fd > nfds)
|
|
nfds = ioh->fd;
|
|
}
|
|
if (ioh->fd_write) {
|
|
FD_SET(ioh->fd, &wfds);
|
|
if (ioh->fd > nfds)
|
|
nfds = ioh->fd;
|
|
}
|
|
}
|
|
|
|
tv.tv_sec = timeout / 1000;
|
|
tv.tv_usec = (timeout % 1000) * 1000;
|
|
|
|
#if defined(CONFIG_SLIRP)
|
|
if (slirp_is_inited()) {
|
|
slirp_select_fill(&nfds, &rfds, &wfds, &xfds);
|
|
}
|
|
#endif
|
|
ret = select(nfds + 1, &rfds, &wfds, &xfds, &tv);
|
|
if (ret > 0) {
|
|
IOHandlerRecord **pioh;
|
|
|
|
for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) {
|
|
if (!ioh->deleted && ioh->fd_read && FD_ISSET(ioh->fd, &rfds)) {
|
|
ioh->fd_read(ioh->opaque);
|
|
}
|
|
if (!ioh->deleted && ioh->fd_write && FD_ISSET(ioh->fd, &wfds)) {
|
|
ioh->fd_write(ioh->opaque);
|
|
}
|
|
}
|
|
|
|
/* remove deleted IO handlers */
|
|
pioh = &first_io_handler;
|
|
while (*pioh) {
|
|
ioh = *pioh;
|
|
if (ioh->deleted) {
|
|
*pioh = ioh->next;
|
|
qemu_free(ioh);
|
|
} else
|
|
pioh = &ioh->next;
|
|
}
|
|
}
|
|
#if defined(CONFIG_SLIRP)
|
|
if (slirp_is_inited()) {
|
|
if (ret < 0) {
|
|
FD_ZERO(&rfds);
|
|
FD_ZERO(&wfds);
|
|
FD_ZERO(&xfds);
|
|
}
|
|
slirp_select_poll(&rfds, &wfds, &xfds);
|
|
}
|
|
#endif
|
|
|
|
/* Check bottom-halves last in case any of the earlier events triggered
|
|
them. */
|
|
qemu_bh_poll();
|
|
|
|
}
|
|
|
|
static int main_loop(void)
|
|
{
|
|
int ret, timeout;
|
|
#ifdef CONFIG_PROFILER
|
|
int64_t ti;
|
|
#endif
|
|
CPUState *env;
|
|
|
|
cur_cpu = first_cpu;
|
|
next_cpu = cur_cpu->next_cpu ?: first_cpu;
|
|
for(;;) {
|
|
if (vm_running) {
|
|
|
|
for(;;) {
|
|
/* get next cpu */
|
|
env = next_cpu;
|
|
#ifdef CONFIG_PROFILER
|
|
ti = profile_getclock();
|
|
#endif
|
|
if (use_icount) {
|
|
int64_t count;
|
|
int decr;
|
|
qemu_icount -= (env->icount_decr.u16.low + env->icount_extra);
|
|
env->icount_decr.u16.low = 0;
|
|
env->icount_extra = 0;
|
|
count = qemu_next_deadline();
|
|
count = (count + (1 << icount_time_shift) - 1)
|
|
>> icount_time_shift;
|
|
qemu_icount += count;
|
|
decr = (count > 0xffff) ? 0xffff : count;
|
|
count -= decr;
|
|
env->icount_decr.u16.low = decr;
|
|
env->icount_extra = count;
|
|
}
|
|
ret = cpu_exec(env);
|
|
#ifdef CONFIG_PROFILER
|
|
qemu_time += profile_getclock() - ti;
|
|
#endif
|
|
if (use_icount) {
|
|
/* Fold pending instructions back into the
|
|
instruction counter, and clear the interrupt flag. */
|
|
qemu_icount -= (env->icount_decr.u16.low
|
|
+ env->icount_extra);
|
|
env->icount_decr.u32 = 0;
|
|
env->icount_extra = 0;
|
|
}
|
|
next_cpu = env->next_cpu ?: first_cpu;
|
|
if (event_pending && likely(ret != EXCP_DEBUG)) {
|
|
ret = EXCP_INTERRUPT;
|
|
event_pending = 0;
|
|
break;
|
|
}
|
|
if (ret == EXCP_HLT) {
|
|
/* Give the next CPU a chance to run. */
|
|
cur_cpu = env;
|
|
continue;
|
|
}
|
|
if (ret != EXCP_HALTED)
|
|
break;
|
|
/* all CPUs are halted ? */
|
|
if (env == cur_cpu)
|
|
break;
|
|
}
|
|
cur_cpu = env;
|
|
|
|
if (shutdown_requested) {
|
|
ret = EXCP_INTERRUPT;
|
|
if (no_shutdown) {
|
|
vm_stop(0);
|
|
no_shutdown = 0;
|
|
}
|
|
else
|
|
break;
|
|
}
|
|
if (reset_requested) {
|
|
reset_requested = 0;
|
|
qemu_system_reset();
|
|
ret = EXCP_INTERRUPT;
|
|
}
|
|
if (powerdown_requested) {
|
|
powerdown_requested = 0;
|
|
qemu_system_powerdown();
|
|
ret = EXCP_INTERRUPT;
|
|
}
|
|
if (unlikely(ret == EXCP_DEBUG)) {
|
|
vm_stop(EXCP_DEBUG);
|
|
}
|
|
/* If all cpus are halted then wait until the next IRQ */
|
|
/* XXX: use timeout computed from timers */
|
|
if (ret == EXCP_HALTED) {
|
|
if (use_icount) {
|
|
int64_t add;
|
|
int64_t delta;
|
|
/* Advance virtual time to the next event. */
|
|
if (use_icount == 1) {
|
|
/* When not using an adaptive execution frequency
|
|
we tend to get badly out of sync with real time,
|
|
so just delay for a reasonable amount of time. */
|
|
delta = 0;
|
|
} else {
|
|
delta = cpu_get_icount() - cpu_get_clock();
|
|
}
|
|
if (delta > 0) {
|
|
/* If virtual time is ahead of real time then just
|
|
wait for IO. */
|
|
timeout = (delta / 1000000) + 1;
|
|
} else {
|
|
/* Wait for either IO to occur or the next
|
|
timer event. */
|
|
add = qemu_next_deadline();
|
|
/* We advance the timer before checking for IO.
|
|
Limit the amount we advance so that early IO
|
|
activity won't get the guest too far ahead. */
|
|
if (add > 10000000)
|
|
add = 10000000;
|
|
delta += add;
|
|
add = (add + (1 << icount_time_shift) - 1)
|
|
>> icount_time_shift;
|
|
qemu_icount += add;
|
|
timeout = delta / 1000000;
|
|
if (timeout < 0)
|
|
timeout = 0;
|
|
}
|
|
} else {
|
|
timeout = 5000;
|
|
}
|
|
} else {
|
|
timeout = 0;
|
|
}
|
|
} else {
|
|
if (shutdown_requested) {
|
|
ret = EXCP_INTERRUPT;
|
|
break;
|
|
}
|
|
timeout = 5000;
|
|
}
|
|
#ifdef CONFIG_PROFILER
|
|
ti = profile_getclock();
|
|
#endif
|
|
main_loop_wait(timeout);
|
|
#ifdef CONFIG_PROFILER
|
|
dev_time += profile_getclock() - ti;
|
|
#endif
|
|
}
|
|
cpu_disable_ticks();
|
|
return ret;
|
|
}
|
|
|
|
static void help(int exitcode)
|
|
{
|
|
printf("QEMU PC emulator version " QEMU_VERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n"
|
|
"usage: %s [options] [disk_image]\n"
|
|
"\n"
|
|
"'disk_image' is a raw hard image image for IDE hard disk 0\n"
|
|
"\n"
|
|
"Standard options:\n"
|
|
"-M machine select emulated machine (-M ? for list)\n"
|
|
"-cpu cpu select CPU (-cpu ? for list)\n"
|
|
"-fda/-fdb file use 'file' as floppy disk 0/1 image\n"
|
|
"-hda/-hdb file use 'file' as IDE hard disk 0/1 image\n"
|
|
"-hdc/-hdd file use 'file' as IDE hard disk 2/3 image\n"
|
|
"-cdrom file use 'file' as IDE cdrom image (cdrom is ide1 master)\n"
|
|
"-drive [file=file][,if=type][,bus=n][,unit=m][,media=d][,index=i]\n"
|
|
" [,cyls=c,heads=h,secs=s[,trans=t]][,snapshot=on|off]\n"
|
|
" [,cache=writethrough|writeback|none][,format=f]\n"
|
|
" use 'file' as a drive image\n"
|
|
"-mtdblock file use 'file' as on-board Flash memory image\n"
|
|
"-sd file use 'file' as SecureDigital card image\n"
|
|
"-pflash file use 'file' as a parallel flash image\n"
|
|
"-boot [a|c|d|n] boot on floppy (a), hard disk (c), CD-ROM (d), or network (n)\n"
|
|
"-snapshot write to temporary files instead of disk image files\n"
|
|
#ifdef CONFIG_SDL
|
|
"-no-frame open SDL window without a frame and window decorations\n"
|
|
"-alt-grab use Ctrl-Alt-Shift to grab mouse (instead of Ctrl-Alt)\n"
|
|
"-no-quit disable SDL window close capability\n"
|
|
#endif
|
|
#ifdef TARGET_I386
|
|
"-no-fd-bootchk disable boot signature checking for floppy disks\n"
|
|
#endif
|
|
"-m megs set virtual RAM size to megs MB [default=%d]\n"
|
|
"-smp n set the number of CPUs to 'n' [default=1]\n"
|
|
"-nographic disable graphical output and redirect serial I/Os to console\n"
|
|
"-portrait rotate graphical output 90 deg left (only PXA LCD)\n"
|
|
#ifndef _WIN32
|
|
"-k language use keyboard layout (for example \"fr\" for French)\n"
|
|
#endif
|
|
#ifdef HAS_AUDIO
|
|
"-audio-help print list of audio drivers and their options\n"
|
|
"-soundhw c1,... enable audio support\n"
|
|
" and only specified sound cards (comma separated list)\n"
|
|
" use -soundhw ? to get the list of supported cards\n"
|
|
" use -soundhw all to enable all of them\n"
|
|
#endif
|
|
"-vga [std|cirrus|vmware]\n"
|
|
" select video card type\n"
|
|
"-localtime set the real time clock to local time [default=utc]\n"
|
|
"-full-screen start in full screen\n"
|
|
#ifdef TARGET_I386
|
|
"-win2k-hack use it when installing Windows 2000 to avoid a disk full bug\n"
|
|
#endif
|
|
"-usb enable the USB driver (will be the default soon)\n"
|
|
"-usbdevice name add the host or guest USB device 'name'\n"
|
|
#if defined(TARGET_PPC) || defined(TARGET_SPARC)
|
|
"-g WxH[xDEPTH] Set the initial graphical resolution and depth\n"
|
|
#endif
|
|
"-name string set the name of the guest\n"
|
|
"-uuid %%08x-%%04x-%%04x-%%04x-%%012x specify machine UUID\n"
|
|
"\n"
|
|
"Network options:\n"
|
|
"-net nic[,vlan=n][,macaddr=addr][,model=type]\n"
|
|
" create a new Network Interface Card and connect it to VLAN 'n'\n"
|
|
#ifdef CONFIG_SLIRP
|
|
"-net user[,vlan=n][,hostname=host]\n"
|
|
" connect the user mode network stack to VLAN 'n' and send\n"
|
|
" hostname 'host' to DHCP clients\n"
|
|
#endif
|
|
#ifdef _WIN32
|
|
"-net tap[,vlan=n],ifname=name\n"
|
|
" connect the host TAP network interface to VLAN 'n'\n"
|
|
#else
|
|
"-net tap[,vlan=n][,fd=h][,ifname=name][,script=file][,downscript=dfile]\n"
|
|
" connect the host TAP network interface to VLAN 'n' and use the\n"
|
|
" network scripts 'file' (default=%s)\n"
|
|
" and 'dfile' (default=%s);\n"
|
|
" use '[down]script=no' to disable script execution;\n"
|
|
" use 'fd=h' to connect to an already opened TAP interface\n"
|
|
#endif
|
|
"-net socket[,vlan=n][,fd=h][,listen=[host]:port][,connect=host:port]\n"
|
|
" connect the vlan 'n' to another VLAN using a socket connection\n"
|
|
"-net socket[,vlan=n][,fd=h][,mcast=maddr:port]\n"
|
|
" connect the vlan 'n' to multicast maddr and port\n"
|
|
#ifdef CONFIG_VDE
|
|
"-net vde[,vlan=n][,sock=socketpath][,port=n][,group=groupname][,mode=octalmode]\n"
|
|
" connect the vlan 'n' to port 'n' of a vde switch running\n"
|
|
" on host and listening for incoming connections on 'socketpath'.\n"
|
|
" Use group 'groupname' and mode 'octalmode' to change default\n"
|
|
" ownership and permissions for communication port.\n"
|
|
#endif
|
|
"-net none use it alone to have zero network devices; if no -net option\n"
|
|
" is provided, the default is '-net nic -net user'\n"
|
|
"\n"
|
|
#ifdef CONFIG_SLIRP
|
|
"-tftp dir allow tftp access to files in dir [-net user]\n"
|
|
"-bootp file advertise file in BOOTP replies\n"
|
|
#ifndef _WIN32
|
|
"-smb dir allow SMB access to files in 'dir' [-net user]\n"
|
|
#endif
|
|
"-redir [tcp|udp]:host-port:[guest-host]:guest-port\n"
|
|
" redirect TCP or UDP connections from host to guest [-net user]\n"
|
|
#endif
|
|
"\n"
|
|
"Linux boot specific:\n"
|
|
"-kernel bzImage use 'bzImage' as kernel image\n"
|
|
"-append cmdline use 'cmdline' as kernel command line\n"
|
|
"-initrd file use 'file' as initial ram disk\n"
|
|
"\n"
|
|
"Debug/Expert options:\n"
|
|
"-monitor dev redirect the monitor to char device 'dev'\n"
|
|
"-serial dev redirect the serial port to char device 'dev'\n"
|
|
"-parallel dev redirect the parallel port to char device 'dev'\n"
|
|
"-pidfile file Write PID to 'file'\n"
|
|
"-S freeze CPU at startup (use 'c' to start execution)\n"
|
|
"-s wait gdb connection to port\n"
|
|
"-p port set gdb connection port [default=%s]\n"
|
|
"-d item1,... output log to %s (use -d ? for a list of log items)\n"
|
|
"-hdachs c,h,s[,t] force hard disk 0 physical geometry and the optional BIOS\n"
|
|
" translation (t=none or lba) (usually qemu can guess them)\n"
|
|
"-L path set the directory for the BIOS, VGA BIOS and keymaps\n"
|
|
#ifdef USE_KQEMU
|
|
"-kernel-kqemu enable KQEMU full virtualization (default is user mode only)\n"
|
|
"-no-kqemu disable KQEMU kernel module usage\n"
|
|
#endif
|
|
#ifdef CONFIG_KVM
|
|
"-enable-kvm enable KVM full virtualization support\n"
|
|
#endif
|
|
#ifdef TARGET_I386
|
|
"-no-acpi disable ACPI\n"
|
|
#endif
|
|
#ifdef CONFIG_CURSES
|
|
"-curses use a curses/ncurses interface instead of SDL\n"
|
|
#endif
|
|
"-no-reboot exit instead of rebooting\n"
|
|
"-no-shutdown stop before shutdown\n"
|
|
"-loadvm [tag|id] start right away with a saved state (loadvm in monitor)\n"
|
|
"-vnc display start a VNC server on display\n"
|
|
#ifndef _WIN32
|
|
"-daemonize daemonize QEMU after initializing\n"
|
|
#endif
|
|
"-option-rom rom load a file, rom, into the option ROM space\n"
|
|
#ifdef TARGET_SPARC
|
|
"-prom-env variable=value set OpenBIOS nvram variables\n"
|
|
#endif
|
|
"-clock force the use of the given methods for timer alarm.\n"
|
|
" To see what timers are available use -clock ?\n"
|
|
"-startdate select initial date of the clock\n"
|
|
"-icount [N|auto]\n"
|
|
" Enable virtual instruction counter with 2^N clock ticks per instruction\n"
|
|
"\n"
|
|
"During emulation, the following keys are useful:\n"
|
|
"ctrl-alt-f toggle full screen\n"
|
|
"ctrl-alt-n switch to virtual console 'n'\n"
|
|
"ctrl-alt toggle mouse and keyboard grab\n"
|
|
"\n"
|
|
"When using -nographic, press 'ctrl-a h' to get some help.\n"
|
|
,
|
|
"qemu",
|
|
DEFAULT_RAM_SIZE,
|
|
#ifndef _WIN32
|
|
DEFAULT_NETWORK_SCRIPT,
|
|
DEFAULT_NETWORK_DOWN_SCRIPT,
|
|
#endif
|
|
DEFAULT_GDBSTUB_PORT,
|
|
"/tmp/qemu.log");
|
|
exit(exitcode);
|
|
}
|
|
|
|
#define HAS_ARG 0x0001
|
|
|
|
enum {
|
|
QEMU_OPTION_h,
|
|
|
|
QEMU_OPTION_M,
|
|
QEMU_OPTION_cpu,
|
|
QEMU_OPTION_fda,
|
|
QEMU_OPTION_fdb,
|
|
QEMU_OPTION_hda,
|
|
QEMU_OPTION_hdb,
|
|
QEMU_OPTION_hdc,
|
|
QEMU_OPTION_hdd,
|
|
QEMU_OPTION_drive,
|
|
QEMU_OPTION_cdrom,
|
|
QEMU_OPTION_mtdblock,
|
|
QEMU_OPTION_sd,
|
|
QEMU_OPTION_pflash,
|
|
QEMU_OPTION_boot,
|
|
QEMU_OPTION_snapshot,
|
|
#ifdef TARGET_I386
|
|
QEMU_OPTION_no_fd_bootchk,
|
|
#endif
|
|
QEMU_OPTION_m,
|
|
QEMU_OPTION_nographic,
|
|
QEMU_OPTION_portrait,
|
|
#ifdef HAS_AUDIO
|
|
QEMU_OPTION_audio_help,
|
|
QEMU_OPTION_soundhw,
|
|
#endif
|
|
|
|
QEMU_OPTION_net,
|
|
QEMU_OPTION_tftp,
|
|
QEMU_OPTION_bootp,
|
|
QEMU_OPTION_smb,
|
|
QEMU_OPTION_redir,
|
|
|
|
QEMU_OPTION_kernel,
|
|
QEMU_OPTION_append,
|
|
QEMU_OPTION_initrd,
|
|
|
|
QEMU_OPTION_S,
|
|
QEMU_OPTION_s,
|
|
QEMU_OPTION_p,
|
|
QEMU_OPTION_d,
|
|
QEMU_OPTION_hdachs,
|
|
QEMU_OPTION_L,
|
|
QEMU_OPTION_bios,
|
|
QEMU_OPTION_k,
|
|
QEMU_OPTION_localtime,
|
|
QEMU_OPTION_g,
|
|
QEMU_OPTION_vga,
|
|
QEMU_OPTION_echr,
|
|
QEMU_OPTION_monitor,
|
|
QEMU_OPTION_serial,
|
|
QEMU_OPTION_parallel,
|
|
QEMU_OPTION_loadvm,
|
|
QEMU_OPTION_full_screen,
|
|
QEMU_OPTION_no_frame,
|
|
QEMU_OPTION_alt_grab,
|
|
QEMU_OPTION_no_quit,
|
|
QEMU_OPTION_pidfile,
|
|
QEMU_OPTION_no_kqemu,
|
|
QEMU_OPTION_kernel_kqemu,
|
|
QEMU_OPTION_enable_kvm,
|
|
QEMU_OPTION_win2k_hack,
|
|
QEMU_OPTION_usb,
|
|
QEMU_OPTION_usbdevice,
|
|
QEMU_OPTION_smp,
|
|
QEMU_OPTION_vnc,
|
|
QEMU_OPTION_no_acpi,
|
|
QEMU_OPTION_curses,
|
|
QEMU_OPTION_no_reboot,
|
|
QEMU_OPTION_no_shutdown,
|
|
QEMU_OPTION_show_cursor,
|
|
QEMU_OPTION_daemonize,
|
|
QEMU_OPTION_option_rom,
|
|
QEMU_OPTION_semihosting,
|
|
QEMU_OPTION_name,
|
|
QEMU_OPTION_prom_env,
|
|
QEMU_OPTION_old_param,
|
|
QEMU_OPTION_clock,
|
|
QEMU_OPTION_startdate,
|
|
QEMU_OPTION_tb_size,
|
|
QEMU_OPTION_icount,
|
|
QEMU_OPTION_uuid,
|
|
QEMU_OPTION_incoming,
|
|
};
|
|
|
|
typedef struct QEMUOption {
|
|
const char *name;
|
|
int flags;
|
|
int index;
|
|
} QEMUOption;
|
|
|
|
static const QEMUOption qemu_options[] = {
|
|
{ "h", 0, QEMU_OPTION_h },
|
|
{ "help", 0, QEMU_OPTION_h },
|
|
|
|
{ "M", HAS_ARG, QEMU_OPTION_M },
|
|
{ "cpu", HAS_ARG, QEMU_OPTION_cpu },
|
|
{ "fda", HAS_ARG, QEMU_OPTION_fda },
|
|
{ "fdb", HAS_ARG, QEMU_OPTION_fdb },
|
|
{ "hda", HAS_ARG, QEMU_OPTION_hda },
|
|
{ "hdb", HAS_ARG, QEMU_OPTION_hdb },
|
|
{ "hdc", HAS_ARG, QEMU_OPTION_hdc },
|
|
{ "hdd", HAS_ARG, QEMU_OPTION_hdd },
|
|
{ "drive", HAS_ARG, QEMU_OPTION_drive },
|
|
{ "cdrom", HAS_ARG, QEMU_OPTION_cdrom },
|
|
{ "mtdblock", HAS_ARG, QEMU_OPTION_mtdblock },
|
|
{ "sd", HAS_ARG, QEMU_OPTION_sd },
|
|
{ "pflash", HAS_ARG, QEMU_OPTION_pflash },
|
|
{ "boot", HAS_ARG, QEMU_OPTION_boot },
|
|
{ "snapshot", 0, QEMU_OPTION_snapshot },
|
|
#ifdef TARGET_I386
|
|
{ "no-fd-bootchk", 0, QEMU_OPTION_no_fd_bootchk },
|
|
#endif
|
|
{ "m", HAS_ARG, QEMU_OPTION_m },
|
|
{ "nographic", 0, QEMU_OPTION_nographic },
|
|
{ "portrait", 0, QEMU_OPTION_portrait },
|
|
{ "k", HAS_ARG, QEMU_OPTION_k },
|
|
#ifdef HAS_AUDIO
|
|
{ "audio-help", 0, QEMU_OPTION_audio_help },
|
|
{ "soundhw", HAS_ARG, QEMU_OPTION_soundhw },
|
|
#endif
|
|
|
|
{ "net", HAS_ARG, QEMU_OPTION_net},
|
|
#ifdef CONFIG_SLIRP
|
|
{ "tftp", HAS_ARG, QEMU_OPTION_tftp },
|
|
{ "bootp", HAS_ARG, QEMU_OPTION_bootp },
|
|
#ifndef _WIN32
|
|
{ "smb", HAS_ARG, QEMU_OPTION_smb },
|
|
#endif
|
|
{ "redir", HAS_ARG, QEMU_OPTION_redir },
|
|
#endif
|
|
|
|
{ "kernel", HAS_ARG, QEMU_OPTION_kernel },
|
|
{ "append", HAS_ARG, QEMU_OPTION_append },
|
|
{ "initrd", HAS_ARG, QEMU_OPTION_initrd },
|
|
|
|
{ "S", 0, QEMU_OPTION_S },
|
|
{ "s", 0, QEMU_OPTION_s },
|
|
{ "p", HAS_ARG, QEMU_OPTION_p },
|
|
{ "d", HAS_ARG, QEMU_OPTION_d },
|
|
{ "hdachs", HAS_ARG, QEMU_OPTION_hdachs },
|
|
{ "L", HAS_ARG, QEMU_OPTION_L },
|
|
{ "bios", HAS_ARG, QEMU_OPTION_bios },
|
|
#ifdef USE_KQEMU
|
|
{ "no-kqemu", 0, QEMU_OPTION_no_kqemu },
|
|
{ "kernel-kqemu", 0, QEMU_OPTION_kernel_kqemu },
|
|
#endif
|
|
#ifdef CONFIG_KVM
|
|
{ "enable-kvm", 0, QEMU_OPTION_enable_kvm },
|
|
#endif
|
|
#if defined(TARGET_PPC) || defined(TARGET_SPARC)
|
|
{ "g", 1, QEMU_OPTION_g },
|
|
#endif
|
|
{ "localtime", 0, QEMU_OPTION_localtime },
|
|
{ "vga", HAS_ARG, QEMU_OPTION_vga },
|
|
{ "echr", HAS_ARG, QEMU_OPTION_echr },
|
|
{ "monitor", HAS_ARG, QEMU_OPTION_monitor },
|
|
{ "serial", HAS_ARG, QEMU_OPTION_serial },
|
|
{ "parallel", HAS_ARG, QEMU_OPTION_parallel },
|
|
{ "loadvm", HAS_ARG, QEMU_OPTION_loadvm },
|
|
{ "full-screen", 0, QEMU_OPTION_full_screen },
|
|
#ifdef CONFIG_SDL
|
|
{ "no-frame", 0, QEMU_OPTION_no_frame },
|
|
{ "alt-grab", 0, QEMU_OPTION_alt_grab },
|
|
{ "no-quit", 0, QEMU_OPTION_no_quit },
|
|
#endif
|
|
{ "pidfile", HAS_ARG, QEMU_OPTION_pidfile },
|
|
{ "win2k-hack", 0, QEMU_OPTION_win2k_hack },
|
|
{ "usbdevice", HAS_ARG, QEMU_OPTION_usbdevice },
|
|
{ "smp", HAS_ARG, QEMU_OPTION_smp },
|
|
{ "vnc", HAS_ARG, QEMU_OPTION_vnc },
|
|
#ifdef CONFIG_CURSES
|
|
{ "curses", 0, QEMU_OPTION_curses },
|
|
#endif
|
|
{ "uuid", HAS_ARG, QEMU_OPTION_uuid },
|
|
|
|
/* temporary options */
|
|
{ "usb", 0, QEMU_OPTION_usb },
|
|
{ "no-acpi", 0, QEMU_OPTION_no_acpi },
|
|
{ "no-reboot", 0, QEMU_OPTION_no_reboot },
|
|
{ "no-shutdown", 0, QEMU_OPTION_no_shutdown },
|
|
{ "show-cursor", 0, QEMU_OPTION_show_cursor },
|
|
{ "daemonize", 0, QEMU_OPTION_daemonize },
|
|
{ "option-rom", HAS_ARG, QEMU_OPTION_option_rom },
|
|
#if defined(TARGET_ARM) || defined(TARGET_M68K)
|
|
{ "semihosting", 0, QEMU_OPTION_semihosting },
|
|
#endif
|
|
{ "name", HAS_ARG, QEMU_OPTION_name },
|
|
#if defined(TARGET_SPARC)
|
|
{ "prom-env", HAS_ARG, QEMU_OPTION_prom_env },
|
|
#endif
|
|
#if defined(TARGET_ARM)
|
|
{ "old-param", 0, QEMU_OPTION_old_param },
|
|
#endif
|
|
{ "clock", HAS_ARG, QEMU_OPTION_clock },
|
|
{ "startdate", HAS_ARG, QEMU_OPTION_startdate },
|
|
{ "tb-size", HAS_ARG, QEMU_OPTION_tb_size },
|
|
{ "icount", HAS_ARG, QEMU_OPTION_icount },
|
|
{ "incoming", HAS_ARG, QEMU_OPTION_incoming },
|
|
{ NULL },
|
|
};
|
|
|
|
/* password input */
|
|
|
|
int qemu_key_check(BlockDriverState *bs, const char *name)
|
|
{
|
|
char password[256];
|
|
int i;
|
|
|
|
if (!bdrv_is_encrypted(bs))
|
|
return 0;
|
|
|
|
term_printf("%s is encrypted.\n", name);
|
|
for(i = 0; i < 3; i++) {
|
|
monitor_readline("Password: ", 1, password, sizeof(password));
|
|
if (bdrv_set_key(bs, password) == 0)
|
|
return 0;
|
|
term_printf("invalid password\n");
|
|
}
|
|
return -EPERM;
|
|
}
|
|
|
|
static BlockDriverState *get_bdrv(int index)
|
|
{
|
|
if (index > nb_drives)
|
|
return NULL;
|
|
return drives_table[index].bdrv;
|
|
}
|
|
|
|
static void read_passwords(void)
|
|
{
|
|
BlockDriverState *bs;
|
|
int i;
|
|
|
|
for(i = 0; i < 6; i++) {
|
|
bs = get_bdrv(i);
|
|
if (bs)
|
|
qemu_key_check(bs, bdrv_get_device_name(bs));
|
|
}
|
|
}
|
|
|
|
#ifdef HAS_AUDIO
|
|
struct soundhw soundhw[] = {
|
|
#ifdef HAS_AUDIO_CHOICE
|
|
#if defined(TARGET_I386) || defined(TARGET_MIPS)
|
|
{
|
|
"pcspk",
|
|
"PC speaker",
|
|
0,
|
|
1,
|
|
{ .init_isa = pcspk_audio_init }
|
|
},
|
|
#endif
|
|
{
|
|
"sb16",
|
|
"Creative Sound Blaster 16",
|
|
0,
|
|
1,
|
|
{ .init_isa = SB16_init }
|
|
},
|
|
|
|
#ifdef CONFIG_CS4231A
|
|
{
|
|
"cs4231a",
|
|
"CS4231A",
|
|
0,
|
|
1,
|
|
{ .init_isa = cs4231a_init }
|
|
},
|
|
#endif
|
|
|
|
#ifdef CONFIG_ADLIB
|
|
{
|
|
"adlib",
|
|
#ifdef HAS_YMF262
|
|
"Yamaha YMF262 (OPL3)",
|
|
#else
|
|
"Yamaha YM3812 (OPL2)",
|
|
#endif
|
|
0,
|
|
1,
|
|
{ .init_isa = Adlib_init }
|
|
},
|
|
#endif
|
|
|
|
#ifdef CONFIG_GUS
|
|
{
|
|
"gus",
|
|
"Gravis Ultrasound GF1",
|
|
0,
|
|
1,
|
|
{ .init_isa = GUS_init }
|
|
},
|
|
#endif
|
|
|
|
#ifdef CONFIG_AC97
|
|
{
|
|
"ac97",
|
|
"Intel 82801AA AC97 Audio",
|
|
0,
|
|
0,
|
|
{ .init_pci = ac97_init }
|
|
},
|
|
#endif
|
|
|
|
{
|
|
"es1370",
|
|
"ENSONIQ AudioPCI ES1370",
|
|
0,
|
|
0,
|
|
{ .init_pci = es1370_init }
|
|
},
|
|
#endif
|
|
|
|
{ NULL, NULL, 0, 0, { NULL } }
|
|
};
|
|
|
|
static void select_soundhw (const char *optarg)
|
|
{
|
|
struct soundhw *c;
|
|
|
|
if (*optarg == '?') {
|
|
show_valid_cards:
|
|
|
|
printf ("Valid sound card names (comma separated):\n");
|
|
for (c = soundhw; c->name; ++c) {
|
|
printf ("%-11s %s\n", c->name, c->descr);
|
|
}
|
|
printf ("\n-soundhw all will enable all of the above\n");
|
|
exit (*optarg != '?');
|
|
}
|
|
else {
|
|
size_t l;
|
|
const char *p;
|
|
char *e;
|
|
int bad_card = 0;
|
|
|
|
if (!strcmp (optarg, "all")) {
|
|
for (c = soundhw; c->name; ++c) {
|
|
c->enabled = 1;
|
|
}
|
|
return;
|
|
}
|
|
|
|
p = optarg;
|
|
while (*p) {
|
|
e = strchr (p, ',');
|
|
l = !e ? strlen (p) : (size_t) (e - p);
|
|
|
|
for (c = soundhw; c->name; ++c) {
|
|
if (!strncmp (c->name, p, l)) {
|
|
c->enabled = 1;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (!c->name) {
|
|
if (l > 80) {
|
|
fprintf (stderr,
|
|
"Unknown sound card name (too big to show)\n");
|
|
}
|
|
else {
|
|
fprintf (stderr, "Unknown sound card name `%.*s'\n",
|
|
(int) l, p);
|
|
}
|
|
bad_card = 1;
|
|
}
|
|
p += l + (e != NULL);
|
|
}
|
|
|
|
if (bad_card)
|
|
goto show_valid_cards;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
static void select_vgahw (const char *p)
|
|
{
|
|
const char *opts;
|
|
|
|
if (strstart(p, "std", &opts)) {
|
|
cirrus_vga_enabled = 0;
|
|
vmsvga_enabled = 0;
|
|
} else if (strstart(p, "cirrus", &opts)) {
|
|
cirrus_vga_enabled = 1;
|
|
vmsvga_enabled = 0;
|
|
} else if (strstart(p, "vmware", &opts)) {
|
|
cirrus_vga_enabled = 0;
|
|
vmsvga_enabled = 1;
|
|
} else {
|
|
invalid_vga:
|
|
fprintf(stderr, "Unknown vga type: %s\n", p);
|
|
exit(1);
|
|
}
|
|
while (*opts) {
|
|
const char *nextopt;
|
|
|
|
if (strstart(opts, ",retrace=", &nextopt)) {
|
|
opts = nextopt;
|
|
if (strstart(opts, "dumb", &nextopt))
|
|
vga_retrace_method = VGA_RETRACE_DUMB;
|
|
else if (strstart(opts, "precise", &nextopt))
|
|
vga_retrace_method = VGA_RETRACE_PRECISE;
|
|
else goto invalid_vga;
|
|
} else goto invalid_vga;
|
|
opts = nextopt;
|
|
}
|
|
}
|
|
|
|
#ifdef _WIN32
|
|
static BOOL WINAPI qemu_ctrl_handler(DWORD type)
|
|
{
|
|
exit(STATUS_CONTROL_C_EXIT);
|
|
return TRUE;
|
|
}
|
|
#endif
|
|
|
|
static int qemu_uuid_parse(const char *str, uint8_t *uuid)
|
|
{
|
|
int ret;
|
|
|
|
if(strlen(str) != 36)
|
|
return -1;
|
|
|
|
ret = sscanf(str, UUID_FMT, &uuid[0], &uuid[1], &uuid[2], &uuid[3],
|
|
&uuid[4], &uuid[5], &uuid[6], &uuid[7], &uuid[8], &uuid[9],
|
|
&uuid[10], &uuid[11], &uuid[12], &uuid[13], &uuid[14], &uuid[15]);
|
|
|
|
if(ret != 16)
|
|
return -1;
|
|
|
|
return 0;
|
|
}
|
|
|
|
#define MAX_NET_CLIENTS 32
|
|
|
|
#ifndef _WIN32
|
|
|
|
static void termsig_handler(int signal)
|
|
{
|
|
qemu_system_shutdown_request();
|
|
}
|
|
|
|
static void termsig_setup(void)
|
|
{
|
|
struct sigaction act;
|
|
|
|
memset(&act, 0, sizeof(act));
|
|
act.sa_handler = termsig_handler;
|
|
sigaction(SIGINT, &act, NULL);
|
|
sigaction(SIGHUP, &act, NULL);
|
|
sigaction(SIGTERM, &act, NULL);
|
|
}
|
|
|
|
#endif
|
|
|
|
int main(int argc, char **argv)
|
|
{
|
|
#ifdef CONFIG_GDBSTUB
|
|
int use_gdbstub;
|
|
const char *gdbstub_port;
|
|
#endif
|
|
uint32_t boot_devices_bitmap = 0;
|
|
int i;
|
|
int snapshot, linux_boot, net_boot;
|
|
const char *initrd_filename;
|
|
const char *kernel_filename, *kernel_cmdline;
|
|
const char *boot_devices = "";
|
|
DisplayState *ds = &display_state;
|
|
int cyls, heads, secs, translation;
|
|
const char *net_clients[MAX_NET_CLIENTS];
|
|
int nb_net_clients;
|
|
int hda_index;
|
|
int optind;
|
|
const char *r, *optarg;
|
|
CharDriverState *monitor_hd;
|
|
const char *monitor_device;
|
|
const char *serial_devices[MAX_SERIAL_PORTS];
|
|
int serial_device_index;
|
|
const char *parallel_devices[MAX_PARALLEL_PORTS];
|
|
int parallel_device_index;
|
|
const char *loadvm = NULL;
|
|
QEMUMachine *machine;
|
|
const char *cpu_model;
|
|
const char *usb_devices[MAX_USB_CMDLINE];
|
|
int usb_devices_index;
|
|
int fds[2];
|
|
int tb_size;
|
|
const char *pid_file = NULL;
|
|
int autostart;
|
|
const char *incoming = NULL;
|
|
|
|
LIST_INIT (&vm_change_state_head);
|
|
#ifndef _WIN32
|
|
{
|
|
struct sigaction act;
|
|
sigfillset(&act.sa_mask);
|
|
act.sa_flags = 0;
|
|
act.sa_handler = SIG_IGN;
|
|
sigaction(SIGPIPE, &act, NULL);
|
|
}
|
|
#else
|
|
SetConsoleCtrlHandler(qemu_ctrl_handler, TRUE);
|
|
/* Note: cpu_interrupt() is currently not SMP safe, so we force
|
|
QEMU to run on a single CPU */
|
|
{
|
|
HANDLE h;
|
|
DWORD mask, smask;
|
|
int i;
|
|
h = GetCurrentProcess();
|
|
if (GetProcessAffinityMask(h, &mask, &smask)) {
|
|
for(i = 0; i < 32; i++) {
|
|
if (mask & (1 << i))
|
|
break;
|
|
}
|
|
if (i != 32) {
|
|
mask = 1 << i;
|
|
SetProcessAffinityMask(h, mask);
|
|
}
|
|
}
|
|
}
|
|
#endif
|
|
|
|
register_machines();
|
|
machine = first_machine;
|
|
cpu_model = NULL;
|
|
initrd_filename = NULL;
|
|
ram_size = 0;
|
|
vga_ram_size = VGA_RAM_SIZE;
|
|
#ifdef CONFIG_GDBSTUB
|
|
use_gdbstub = 0;
|
|
gdbstub_port = DEFAULT_GDBSTUB_PORT;
|
|
#endif
|
|
snapshot = 0;
|
|
nographic = 0;
|
|
curses = 0;
|
|
kernel_filename = NULL;
|
|
kernel_cmdline = "";
|
|
cyls = heads = secs = 0;
|
|
translation = BIOS_ATA_TRANSLATION_AUTO;
|
|
monitor_device = "vc";
|
|
|
|
serial_devices[0] = "vc:80Cx24C";
|
|
for(i = 1; i < MAX_SERIAL_PORTS; i++)
|
|
serial_devices[i] = NULL;
|
|
serial_device_index = 0;
|
|
|
|
parallel_devices[0] = "vc:640x480";
|
|
for(i = 1; i < MAX_PARALLEL_PORTS; i++)
|
|
parallel_devices[i] = NULL;
|
|
parallel_device_index = 0;
|
|
|
|
usb_devices_index = 0;
|
|
|
|
nb_net_clients = 0;
|
|
nb_drives = 0;
|
|
nb_drives_opt = 0;
|
|
hda_index = -1;
|
|
|
|
nb_nics = 0;
|
|
|
|
tb_size = 0;
|
|
autostart= 1;
|
|
|
|
optind = 1;
|
|
for(;;) {
|
|
if (optind >= argc)
|
|
break;
|
|
r = argv[optind];
|
|
if (r[0] != '-') {
|
|
hda_index = drive_add(argv[optind++], HD_ALIAS, 0);
|
|
} else {
|
|
const QEMUOption *popt;
|
|
|
|
optind++;
|
|
/* Treat --foo the same as -foo. */
|
|
if (r[1] == '-')
|
|
r++;
|
|
popt = qemu_options;
|
|
for(;;) {
|
|
if (!popt->name) {
|
|
fprintf(stderr, "%s: invalid option -- '%s'\n",
|
|
argv[0], r);
|
|
exit(1);
|
|
}
|
|
if (!strcmp(popt->name, r + 1))
|
|
break;
|
|
popt++;
|
|
}
|
|
if (popt->flags & HAS_ARG) {
|
|
if (optind >= argc) {
|
|
fprintf(stderr, "%s: option '%s' requires an argument\n",
|
|
argv[0], r);
|
|
exit(1);
|
|
}
|
|
optarg = argv[optind++];
|
|
} else {
|
|
optarg = NULL;
|
|
}
|
|
|
|
switch(popt->index) {
|
|
case QEMU_OPTION_M:
|
|
machine = find_machine(optarg);
|
|
if (!machine) {
|
|
QEMUMachine *m;
|
|
printf("Supported machines are:\n");
|
|
for(m = first_machine; m != NULL; m = m->next) {
|
|
printf("%-10s %s%s\n",
|
|
m->name, m->desc,
|
|
m == first_machine ? " (default)" : "");
|
|
}
|
|
exit(*optarg != '?');
|
|
}
|
|
break;
|
|
case QEMU_OPTION_cpu:
|
|
/* hw initialization will check this */
|
|
if (*optarg == '?') {
|
|
/* XXX: implement xxx_cpu_list for targets that still miss it */
|
|
#if defined(cpu_list)
|
|
cpu_list(stdout, &fprintf);
|
|
#endif
|
|
exit(0);
|
|
} else {
|
|
cpu_model = optarg;
|
|
}
|
|
break;
|
|
case QEMU_OPTION_initrd:
|
|
initrd_filename = optarg;
|
|
break;
|
|
case QEMU_OPTION_hda:
|
|
if (cyls == 0)
|
|
hda_index = drive_add(optarg, HD_ALIAS, 0);
|
|
else
|
|
hda_index = drive_add(optarg, HD_ALIAS
|
|
",cyls=%d,heads=%d,secs=%d%s",
|
|
0, cyls, heads, secs,
|
|
translation == BIOS_ATA_TRANSLATION_LBA ?
|
|
",trans=lba" :
|
|
translation == BIOS_ATA_TRANSLATION_NONE ?
|
|
",trans=none" : "");
|
|
break;
|
|
case QEMU_OPTION_hdb:
|
|
case QEMU_OPTION_hdc:
|
|
case QEMU_OPTION_hdd:
|
|
drive_add(optarg, HD_ALIAS, popt->index - QEMU_OPTION_hda);
|
|
break;
|
|
case QEMU_OPTION_drive:
|
|
drive_add(NULL, "%s", optarg);
|
|
break;
|
|
case QEMU_OPTION_mtdblock:
|
|
drive_add(optarg, MTD_ALIAS);
|
|
break;
|
|
case QEMU_OPTION_sd:
|
|
drive_add(optarg, SD_ALIAS);
|
|
break;
|
|
case QEMU_OPTION_pflash:
|
|
drive_add(optarg, PFLASH_ALIAS);
|
|
break;
|
|
case QEMU_OPTION_snapshot:
|
|
snapshot = 1;
|
|
break;
|
|
case QEMU_OPTION_hdachs:
|
|
{
|
|
const char *p;
|
|
p = optarg;
|
|
cyls = strtol(p, (char **)&p, 0);
|
|
if (cyls < 1 || cyls > 16383)
|
|
goto chs_fail;
|
|
if (*p != ',')
|
|
goto chs_fail;
|
|
p++;
|
|
heads = strtol(p, (char **)&p, 0);
|
|
if (heads < 1 || heads > 16)
|
|
goto chs_fail;
|
|
if (*p != ',')
|
|
goto chs_fail;
|
|
p++;
|
|
secs = strtol(p, (char **)&p, 0);
|
|
if (secs < 1 || secs > 63)
|
|
goto chs_fail;
|
|
if (*p == ',') {
|
|
p++;
|
|
if (!strcmp(p, "none"))
|
|
translation = BIOS_ATA_TRANSLATION_NONE;
|
|
else if (!strcmp(p, "lba"))
|
|
translation = BIOS_ATA_TRANSLATION_LBA;
|
|
else if (!strcmp(p, "auto"))
|
|
translation = BIOS_ATA_TRANSLATION_AUTO;
|
|
else
|
|
goto chs_fail;
|
|
} else if (*p != '\0') {
|
|
chs_fail:
|
|
fprintf(stderr, "qemu: invalid physical CHS format\n");
|
|
exit(1);
|
|
}
|
|
if (hda_index != -1)
|
|
snprintf(drives_opt[hda_index].opt,
|
|
sizeof(drives_opt[hda_index].opt),
|
|
HD_ALIAS ",cyls=%d,heads=%d,secs=%d%s",
|
|
0, cyls, heads, secs,
|
|
translation == BIOS_ATA_TRANSLATION_LBA ?
|
|
",trans=lba" :
|
|
translation == BIOS_ATA_TRANSLATION_NONE ?
|
|
",trans=none" : "");
|
|
}
|
|
break;
|
|
case QEMU_OPTION_nographic:
|
|
nographic = 1;
|
|
break;
|
|
#ifdef CONFIG_CURSES
|
|
case QEMU_OPTION_curses:
|
|
curses = 1;
|
|
break;
|
|
#endif
|
|
case QEMU_OPTION_portrait:
|
|
graphic_rotate = 1;
|
|
break;
|
|
case QEMU_OPTION_kernel:
|
|
kernel_filename = optarg;
|
|
break;
|
|
case QEMU_OPTION_append:
|
|
kernel_cmdline = optarg;
|
|
break;
|
|
case QEMU_OPTION_cdrom:
|
|
drive_add(optarg, CDROM_ALIAS);
|
|
break;
|
|
case QEMU_OPTION_boot:
|
|
boot_devices = optarg;
|
|
/* We just do some generic consistency checks */
|
|
{
|
|
/* Could easily be extended to 64 devices if needed */
|
|
const char *p;
|
|
|
|
boot_devices_bitmap = 0;
|
|
for (p = boot_devices; *p != '\0'; p++) {
|
|
/* Allowed boot devices are:
|
|
* a b : floppy disk drives
|
|
* c ... f : IDE disk drives
|
|
* g ... m : machine implementation dependant drives
|
|
* n ... p : network devices
|
|
* It's up to each machine implementation to check
|
|
* if the given boot devices match the actual hardware
|
|
* implementation and firmware features.
|
|
*/
|
|
if (*p < 'a' || *p > 'q') {
|
|
fprintf(stderr, "Invalid boot device '%c'\n", *p);
|
|
exit(1);
|
|
}
|
|
if (boot_devices_bitmap & (1 << (*p - 'a'))) {
|
|
fprintf(stderr,
|
|
"Boot device '%c' was given twice\n",*p);
|
|
exit(1);
|
|
}
|
|
boot_devices_bitmap |= 1 << (*p - 'a');
|
|
}
|
|
}
|
|
break;
|
|
case QEMU_OPTION_fda:
|
|
case QEMU_OPTION_fdb:
|
|
drive_add(optarg, FD_ALIAS, popt->index - QEMU_OPTION_fda);
|
|
break;
|
|
#ifdef TARGET_I386
|
|
case QEMU_OPTION_no_fd_bootchk:
|
|
fd_bootchk = 0;
|
|
break;
|
|
#endif
|
|
case QEMU_OPTION_net:
|
|
if (nb_net_clients >= MAX_NET_CLIENTS) {
|
|
fprintf(stderr, "qemu: too many network clients\n");
|
|
exit(1);
|
|
}
|
|
net_clients[nb_net_clients] = optarg;
|
|
nb_net_clients++;
|
|
break;
|
|
#ifdef CONFIG_SLIRP
|
|
case QEMU_OPTION_tftp:
|
|
tftp_prefix = optarg;
|
|
break;
|
|
case QEMU_OPTION_bootp:
|
|
bootp_filename = optarg;
|
|
break;
|
|
#ifndef _WIN32
|
|
case QEMU_OPTION_smb:
|
|
net_slirp_smb(optarg);
|
|
break;
|
|
#endif
|
|
case QEMU_OPTION_redir:
|
|
net_slirp_redir(optarg);
|
|
break;
|
|
#endif
|
|
#ifdef HAS_AUDIO
|
|
case QEMU_OPTION_audio_help:
|
|
AUD_help ();
|
|
exit (0);
|
|
break;
|
|
case QEMU_OPTION_soundhw:
|
|
select_soundhw (optarg);
|
|
break;
|
|
#endif
|
|
case QEMU_OPTION_h:
|
|
help(0);
|
|
break;
|
|
case QEMU_OPTION_m: {
|
|
uint64_t value;
|
|
char *ptr;
|
|
|
|
value = strtoul(optarg, &ptr, 10);
|
|
switch (*ptr) {
|
|
case 0: case 'M': case 'm':
|
|
value <<= 20;
|
|
break;
|
|
case 'G': case 'g':
|
|
value <<= 30;
|
|
break;
|
|
default:
|
|
fprintf(stderr, "qemu: invalid ram size: %s\n", optarg);
|
|
exit(1);
|
|
}
|
|
|
|
/* On 32-bit hosts, QEMU is limited by virtual address space */
|
|
if (value > (2047 << 20)
|
|
#ifndef USE_KQEMU
|
|
&& HOST_LONG_BITS == 32
|
|
#endif
|
|
) {
|
|
fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
|
|
exit(1);
|
|
}
|
|
if (value != (uint64_t)(ram_addr_t)value) {
|
|
fprintf(stderr, "qemu: ram size too large\n");
|
|
exit(1);
|
|
}
|
|
ram_size = value;
|
|
break;
|
|
}
|
|
case QEMU_OPTION_d:
|
|
{
|
|
int mask;
|
|
const CPULogItem *item;
|
|
|
|
mask = cpu_str_to_log_mask(optarg);
|
|
if (!mask) {
|
|
printf("Log items (comma separated):\n");
|
|
for(item = cpu_log_items; item->mask != 0; item++) {
|
|
printf("%-10s %s\n", item->name, item->help);
|
|
}
|
|
exit(1);
|
|
}
|
|
cpu_set_log(mask);
|
|
}
|
|
break;
|
|
#ifdef CONFIG_GDBSTUB
|
|
case QEMU_OPTION_s:
|
|
use_gdbstub = 1;
|
|
break;
|
|
case QEMU_OPTION_p:
|
|
gdbstub_port = optarg;
|
|
break;
|
|
#endif
|
|
case QEMU_OPTION_L:
|
|
bios_dir = optarg;
|
|
break;
|
|
case QEMU_OPTION_bios:
|
|
bios_name = optarg;
|
|
break;
|
|
case QEMU_OPTION_S:
|
|
autostart = 0;
|
|
break;
|
|
case QEMU_OPTION_k:
|
|
keyboard_layout = optarg;
|
|
break;
|
|
case QEMU_OPTION_localtime:
|
|
rtc_utc = 0;
|
|
break;
|
|
case QEMU_OPTION_vga:
|
|
select_vgahw (optarg);
|
|
break;
|
|
case QEMU_OPTION_g:
|
|
{
|
|
const char *p;
|
|
int w, h, depth;
|
|
p = optarg;
|
|
w = strtol(p, (char **)&p, 10);
|
|
if (w <= 0) {
|
|
graphic_error:
|
|
fprintf(stderr, "qemu: invalid resolution or depth\n");
|
|
exit(1);
|
|
}
|
|
if (*p != 'x')
|
|
goto graphic_error;
|
|
p++;
|
|
h = strtol(p, (char **)&p, 10);
|
|
if (h <= 0)
|
|
goto graphic_error;
|
|
if (*p == 'x') {
|
|
p++;
|
|
depth = strtol(p, (char **)&p, 10);
|
|
if (depth != 8 && depth != 15 && depth != 16 &&
|
|
depth != 24 && depth != 32)
|
|
goto graphic_error;
|
|
} else if (*p == '\0') {
|
|
depth = graphic_depth;
|
|
} else {
|
|
goto graphic_error;
|
|
}
|
|
|
|
graphic_width = w;
|
|
graphic_height = h;
|
|
graphic_depth = depth;
|
|
}
|
|
break;
|
|
case QEMU_OPTION_echr:
|
|
{
|
|
char *r;
|
|
term_escape_char = strtol(optarg, &r, 0);
|
|
if (r == optarg)
|
|
printf("Bad argument to echr\n");
|
|
break;
|
|
}
|
|
case QEMU_OPTION_monitor:
|
|
monitor_device = optarg;
|
|
break;
|
|
case QEMU_OPTION_serial:
|
|
if (serial_device_index >= MAX_SERIAL_PORTS) {
|
|
fprintf(stderr, "qemu: too many serial ports\n");
|
|
exit(1);
|
|
}
|
|
serial_devices[serial_device_index] = optarg;
|
|
serial_device_index++;
|
|
break;
|
|
case QEMU_OPTION_parallel:
|
|
if (parallel_device_index >= MAX_PARALLEL_PORTS) {
|
|
fprintf(stderr, "qemu: too many parallel ports\n");
|
|
exit(1);
|
|
}
|
|
parallel_devices[parallel_device_index] = optarg;
|
|
parallel_device_index++;
|
|
break;
|
|
case QEMU_OPTION_loadvm:
|
|
loadvm = optarg;
|
|
break;
|
|
case QEMU_OPTION_full_screen:
|
|
full_screen = 1;
|
|
break;
|
|
#ifdef CONFIG_SDL
|
|
case QEMU_OPTION_no_frame:
|
|
no_frame = 1;
|
|
break;
|
|
case QEMU_OPTION_alt_grab:
|
|
alt_grab = 1;
|
|
break;
|
|
case QEMU_OPTION_no_quit:
|
|
no_quit = 1;
|
|
break;
|
|
#endif
|
|
case QEMU_OPTION_pidfile:
|
|
pid_file = optarg;
|
|
break;
|
|
#ifdef TARGET_I386
|
|
case QEMU_OPTION_win2k_hack:
|
|
win2k_install_hack = 1;
|
|
break;
|
|
#endif
|
|
#ifdef USE_KQEMU
|
|
case QEMU_OPTION_no_kqemu:
|
|
kqemu_allowed = 0;
|
|
break;
|
|
case QEMU_OPTION_kernel_kqemu:
|
|
kqemu_allowed = 2;
|
|
break;
|
|
#endif
|
|
#ifdef CONFIG_KVM
|
|
case QEMU_OPTION_enable_kvm:
|
|
kvm_allowed = 1;
|
|
#ifdef USE_KQEMU
|
|
kqemu_allowed = 0;
|
|
#endif
|
|
break;
|
|
#endif
|
|
case QEMU_OPTION_usb:
|
|
usb_enabled = 1;
|
|
break;
|
|
case QEMU_OPTION_usbdevice:
|
|
usb_enabled = 1;
|
|
if (usb_devices_index >= MAX_USB_CMDLINE) {
|
|
fprintf(stderr, "Too many USB devices\n");
|
|
exit(1);
|
|
}
|
|
usb_devices[usb_devices_index] = optarg;
|
|
usb_devices_index++;
|
|
break;
|
|
case QEMU_OPTION_smp:
|
|
smp_cpus = atoi(optarg);
|
|
if (smp_cpus < 1) {
|
|
fprintf(stderr, "Invalid number of CPUs\n");
|
|
exit(1);
|
|
}
|
|
break;
|
|
case QEMU_OPTION_vnc:
|
|
vnc_display = optarg;
|
|
break;
|
|
case QEMU_OPTION_no_acpi:
|
|
acpi_enabled = 0;
|
|
break;
|
|
case QEMU_OPTION_no_reboot:
|
|
no_reboot = 1;
|
|
break;
|
|
case QEMU_OPTION_no_shutdown:
|
|
no_shutdown = 1;
|
|
break;
|
|
case QEMU_OPTION_show_cursor:
|
|
cursor_hide = 0;
|
|
break;
|
|
case QEMU_OPTION_uuid:
|
|
if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
|
|
fprintf(stderr, "Fail to parse UUID string."
|
|
" Wrong format.\n");
|
|
exit(1);
|
|
}
|
|
break;
|
|
case QEMU_OPTION_daemonize:
|
|
daemonize = 1;
|
|
break;
|
|
case QEMU_OPTION_option_rom:
|
|
if (nb_option_roms >= MAX_OPTION_ROMS) {
|
|
fprintf(stderr, "Too many option ROMs\n");
|
|
exit(1);
|
|
}
|
|
option_rom[nb_option_roms] = optarg;
|
|
nb_option_roms++;
|
|
break;
|
|
case QEMU_OPTION_semihosting:
|
|
semihosting_enabled = 1;
|
|
break;
|
|
case QEMU_OPTION_name:
|
|
qemu_name = optarg;
|
|
break;
|
|
#ifdef TARGET_SPARC
|
|
case QEMU_OPTION_prom_env:
|
|
if (nb_prom_envs >= MAX_PROM_ENVS) {
|
|
fprintf(stderr, "Too many prom variables\n");
|
|
exit(1);
|
|
}
|
|
prom_envs[nb_prom_envs] = optarg;
|
|
nb_prom_envs++;
|
|
break;
|
|
#endif
|
|
#ifdef TARGET_ARM
|
|
case QEMU_OPTION_old_param:
|
|
old_param = 1;
|
|
break;
|
|
#endif
|
|
case QEMU_OPTION_clock:
|
|
configure_alarms(optarg);
|
|
break;
|
|
case QEMU_OPTION_startdate:
|
|
{
|
|
struct tm tm;
|
|
time_t rtc_start_date;
|
|
if (!strcmp(optarg, "now")) {
|
|
rtc_date_offset = -1;
|
|
} else {
|
|
if (sscanf(optarg, "%d-%d-%dT%d:%d:%d",
|
|
&tm.tm_year,
|
|
&tm.tm_mon,
|
|
&tm.tm_mday,
|
|
&tm.tm_hour,
|
|
&tm.tm_min,
|
|
&tm.tm_sec) == 6) {
|
|
/* OK */
|
|
} else if (sscanf(optarg, "%d-%d-%d",
|
|
&tm.tm_year,
|
|
&tm.tm_mon,
|
|
&tm.tm_mday) == 3) {
|
|
tm.tm_hour = 0;
|
|
tm.tm_min = 0;
|
|
tm.tm_sec = 0;
|
|
} else {
|
|
goto date_fail;
|
|
}
|
|
tm.tm_year -= 1900;
|
|
tm.tm_mon--;
|
|
rtc_start_date = mktimegm(&tm);
|
|
if (rtc_start_date == -1) {
|
|
date_fail:
|
|
fprintf(stderr, "Invalid date format. Valid format are:\n"
|
|
"'now' or '2006-06-17T16:01:21' or '2006-06-17'\n");
|
|
exit(1);
|
|
}
|
|
rtc_date_offset = time(NULL) - rtc_start_date;
|
|
}
|
|
}
|
|
break;
|
|
case QEMU_OPTION_tb_size:
|
|
tb_size = strtol(optarg, NULL, 0);
|
|
if (tb_size < 0)
|
|
tb_size = 0;
|
|
break;
|
|
case QEMU_OPTION_icount:
|
|
use_icount = 1;
|
|
if (strcmp(optarg, "auto") == 0) {
|
|
icount_time_shift = -1;
|
|
} else {
|
|
icount_time_shift = strtol(optarg, NULL, 0);
|
|
}
|
|
break;
|
|
case QEMU_OPTION_incoming:
|
|
incoming = optarg;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
#if defined(CONFIG_KVM) && defined(USE_KQEMU)
|
|
if (kvm_allowed && kqemu_allowed) {
|
|
fprintf(stderr,
|
|
"You can not enable both KVM and kqemu at the same time\n");
|
|
exit(1);
|
|
}
|
|
#endif
|
|
|
|
machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */
|
|
if (smp_cpus > machine->max_cpus) {
|
|
fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
|
|
"supported by machine `%s' (%d)\n", smp_cpus, machine->name,
|
|
machine->max_cpus);
|
|
exit(1);
|
|
}
|
|
|
|
if (nographic) {
|
|
if (serial_device_index == 0)
|
|
serial_devices[0] = "stdio";
|
|
if (parallel_device_index == 0)
|
|
parallel_devices[0] = "null";
|
|
if (strncmp(monitor_device, "vc", 2) == 0)
|
|
monitor_device = "stdio";
|
|
}
|
|
|
|
#ifndef _WIN32
|
|
if (daemonize) {
|
|
pid_t pid;
|
|
|
|
if (pipe(fds) == -1)
|
|
exit(1);
|
|
|
|
pid = fork();
|
|
if (pid > 0) {
|
|
uint8_t status;
|
|
ssize_t len;
|
|
|
|
close(fds[1]);
|
|
|
|
again:
|
|
len = read(fds[0], &status, 1);
|
|
if (len == -1 && (errno == EINTR))
|
|
goto again;
|
|
|
|
if (len != 1)
|
|
exit(1);
|
|
else if (status == 1) {
|
|
fprintf(stderr, "Could not acquire pidfile\n");
|
|
exit(1);
|
|
} else
|
|
exit(0);
|
|
} else if (pid < 0)
|
|
exit(1);
|
|
|
|
setsid();
|
|
|
|
pid = fork();
|
|
if (pid > 0)
|
|
exit(0);
|
|
else if (pid < 0)
|
|
exit(1);
|
|
|
|
umask(027);
|
|
|
|
signal(SIGTSTP, SIG_IGN);
|
|
signal(SIGTTOU, SIG_IGN);
|
|
signal(SIGTTIN, SIG_IGN);
|
|
}
|
|
#endif
|
|
|
|
if (pid_file && qemu_create_pidfile(pid_file) != 0) {
|
|
if (daemonize) {
|
|
uint8_t status = 1;
|
|
write(fds[1], &status, 1);
|
|
} else
|
|
fprintf(stderr, "Could not acquire pid file\n");
|
|
exit(1);
|
|
}
|
|
|
|
#ifdef USE_KQEMU
|
|
if (smp_cpus > 1)
|
|
kqemu_allowed = 0;
|
|
#endif
|
|
linux_boot = (kernel_filename != NULL);
|
|
net_boot = (boot_devices_bitmap >> ('n' - 'a')) & 0xF;
|
|
|
|
if (!linux_boot && net_boot == 0 &&
|
|
!machine->nodisk_ok && nb_drives_opt == 0)
|
|
help(1);
|
|
|
|
if (!linux_boot && *kernel_cmdline != '\0') {
|
|
fprintf(stderr, "-append only allowed with -kernel option\n");
|
|
exit(1);
|
|
}
|
|
|
|
if (!linux_boot && initrd_filename != NULL) {
|
|
fprintf(stderr, "-initrd only allowed with -kernel option\n");
|
|
exit(1);
|
|
}
|
|
|
|
/* boot to floppy or the default cd if no hard disk defined yet */
|
|
if (!boot_devices[0]) {
|
|
boot_devices = "cad";
|
|
}
|
|
setvbuf(stdout, NULL, _IOLBF, 0);
|
|
|
|
init_timers();
|
|
if (init_timer_alarm() < 0) {
|
|
fprintf(stderr, "could not initialize alarm timer\n");
|
|
exit(1);
|
|
}
|
|
if (use_icount && icount_time_shift < 0) {
|
|
use_icount = 2;
|
|
/* 125MIPS seems a reasonable initial guess at the guest speed.
|
|
It will be corrected fairly quickly anyway. */
|
|
icount_time_shift = 3;
|
|
init_icount_adjust();
|
|
}
|
|
|
|
#ifdef _WIN32
|
|
socket_init();
|
|
#endif
|
|
|
|
/* init network clients */
|
|
if (nb_net_clients == 0) {
|
|
/* if no clients, we use a default config */
|
|
net_clients[nb_net_clients++] = "nic";
|
|
#ifdef CONFIG_SLIRP
|
|
net_clients[nb_net_clients++] = "user";
|
|
#endif
|
|
}
|
|
|
|
for(i = 0;i < nb_net_clients; i++) {
|
|
if (net_client_parse(net_clients[i]) < 0)
|
|
exit(1);
|
|
}
|
|
net_client_check();
|
|
|
|
#ifdef TARGET_I386
|
|
/* XXX: this should be moved in the PC machine instantiation code */
|
|
if (net_boot != 0) {
|
|
int netroms = 0;
|
|
for (i = 0; i < nb_nics && i < 4; i++) {
|
|
const char *model = nd_table[i].model;
|
|
char buf[1024];
|
|
if (net_boot & (1 << i)) {
|
|
if (model == NULL)
|
|
model = "ne2k_pci";
|
|
snprintf(buf, sizeof(buf), "%s/pxe-%s.bin", bios_dir, model);
|
|
if (get_image_size(buf) > 0) {
|
|
if (nb_option_roms >= MAX_OPTION_ROMS) {
|
|
fprintf(stderr, "Too many option ROMs\n");
|
|
exit(1);
|
|
}
|
|
option_rom[nb_option_roms] = strdup(buf);
|
|
nb_option_roms++;
|
|
netroms++;
|
|
}
|
|
}
|
|
}
|
|
if (netroms == 0) {
|
|
fprintf(stderr, "No valid PXE rom found for network device\n");
|
|
exit(1);
|
|
}
|
|
}
|
|
#endif
|
|
|
|
/* init the memory */
|
|
phys_ram_size = machine->ram_require & ~RAMSIZE_FIXED;
|
|
|
|
if (machine->ram_require & RAMSIZE_FIXED) {
|
|
if (ram_size > 0) {
|
|
if (ram_size < phys_ram_size) {
|
|
fprintf(stderr, "Machine `%s' requires %llu bytes of memory\n",
|
|
machine->name, (unsigned long long) phys_ram_size);
|
|
exit(-1);
|
|
}
|
|
|
|
phys_ram_size = ram_size;
|
|
} else
|
|
ram_size = phys_ram_size;
|
|
} else {
|
|
if (ram_size == 0)
|
|
ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
|
|
|
|
phys_ram_size += ram_size;
|
|
}
|
|
|
|
phys_ram_base = qemu_vmalloc(phys_ram_size);
|
|
if (!phys_ram_base) {
|
|
fprintf(stderr, "Could not allocate physical memory\n");
|
|
exit(1);
|
|
}
|
|
|
|
/* init the dynamic translator */
|
|
cpu_exec_init_all(tb_size * 1024 * 1024);
|
|
|
|
bdrv_init();
|
|
|
|
/* we always create the cdrom drive, even if no disk is there */
|
|
|
|
if (nb_drives_opt < MAX_DRIVES)
|
|
drive_add(NULL, CDROM_ALIAS);
|
|
|
|
/* we always create at least one floppy */
|
|
|
|
if (nb_drives_opt < MAX_DRIVES)
|
|
drive_add(NULL, FD_ALIAS, 0);
|
|
|
|
/* we always create one sd slot, even if no card is in it */
|
|
|
|
if (nb_drives_opt < MAX_DRIVES)
|
|
drive_add(NULL, SD_ALIAS);
|
|
|
|
/* open the virtual block devices */
|
|
|
|
for(i = 0; i < nb_drives_opt; i++)
|
|
if (drive_init(&drives_opt[i], snapshot, machine) == -1)
|
|
exit(1);
|
|
|
|
register_savevm("timer", 0, 2, timer_save, timer_load, NULL);
|
|
register_savevm_live("ram", 0, 3, ram_save_live, NULL, ram_load, NULL);
|
|
|
|
/* terminal init */
|
|
memset(&display_state, 0, sizeof(display_state));
|
|
if (nographic) {
|
|
if (curses) {
|
|
fprintf(stderr, "fatal: -nographic can't be used with -curses\n");
|
|
exit(1);
|
|
}
|
|
/* nearly nothing to do */
|
|
dumb_display_init(ds);
|
|
} else if (vnc_display != NULL) {
|
|
vnc_display_init(ds);
|
|
if (vnc_display_open(ds, vnc_display) < 0)
|
|
exit(1);
|
|
} else
|
|
#if defined(CONFIG_CURSES)
|
|
if (curses) {
|
|
curses_display_init(ds, full_screen);
|
|
} else
|
|
#endif
|
|
{
|
|
#if defined(CONFIG_SDL)
|
|
sdl_display_init(ds, full_screen, no_frame);
|
|
#elif defined(CONFIG_COCOA)
|
|
cocoa_display_init(ds, full_screen);
|
|
#else
|
|
dumb_display_init(ds);
|
|
#endif
|
|
}
|
|
|
|
#ifndef _WIN32
|
|
/* must be after terminal init, SDL library changes signal handlers */
|
|
termsig_setup();
|
|
#endif
|
|
|
|
/* Maintain compatibility with multiple stdio monitors */
|
|
if (!strcmp(monitor_device,"stdio")) {
|
|
for (i = 0; i < MAX_SERIAL_PORTS; i++) {
|
|
const char *devname = serial_devices[i];
|
|
if (devname && !strcmp(devname,"mon:stdio")) {
|
|
monitor_device = NULL;
|
|
break;
|
|
} else if (devname && !strcmp(devname,"stdio")) {
|
|
monitor_device = NULL;
|
|
serial_devices[i] = "mon:stdio";
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
if (monitor_device) {
|
|
monitor_hd = qemu_chr_open("monitor", monitor_device);
|
|
if (!monitor_hd) {
|
|
fprintf(stderr, "qemu: could not open monitor device '%s'\n", monitor_device);
|
|
exit(1);
|
|
}
|
|
monitor_init(monitor_hd, !nographic);
|
|
}
|
|
|
|
for(i = 0; i < MAX_SERIAL_PORTS; i++) {
|
|
const char *devname = serial_devices[i];
|
|
if (devname && strcmp(devname, "none")) {
|
|
char label[32];
|
|
snprintf(label, sizeof(label), "serial%d", i);
|
|
serial_hds[i] = qemu_chr_open(label, devname);
|
|
if (!serial_hds[i]) {
|
|
fprintf(stderr, "qemu: could not open serial device '%s'\n",
|
|
devname);
|
|
exit(1);
|
|
}
|
|
if (strstart(devname, "vc", 0))
|
|
qemu_chr_printf(serial_hds[i], "serial%d console\r\n", i);
|
|
}
|
|
}
|
|
|
|
for(i = 0; i < MAX_PARALLEL_PORTS; i++) {
|
|
const char *devname = parallel_devices[i];
|
|
if (devname && strcmp(devname, "none")) {
|
|
char label[32];
|
|
snprintf(label, sizeof(label), "parallel%d", i);
|
|
parallel_hds[i] = qemu_chr_open(label, devname);
|
|
if (!parallel_hds[i]) {
|
|
fprintf(stderr, "qemu: could not open parallel device '%s'\n",
|
|
devname);
|
|
exit(1);
|
|
}
|
|
if (strstart(devname, "vc", 0))
|
|
qemu_chr_printf(parallel_hds[i], "parallel%d console\r\n", i);
|
|
}
|
|
}
|
|
|
|
if (kvm_enabled()) {
|
|
int ret;
|
|
|
|
ret = kvm_init(smp_cpus);
|
|
if (ret < 0) {
|
|
fprintf(stderr, "failed to initialize KVM\n");
|
|
exit(1);
|
|
}
|
|
}
|
|
|
|
machine->init(ram_size, vga_ram_size, boot_devices, ds,
|
|
kernel_filename, kernel_cmdline, initrd_filename, cpu_model);
|
|
|
|
/* init USB devices */
|
|
if (usb_enabled) {
|
|
for(i = 0; i < usb_devices_index; i++) {
|
|
if (usb_device_add(usb_devices[i]) < 0) {
|
|
fprintf(stderr, "Warning: could not add USB device %s\n",
|
|
usb_devices[i]);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (display_state.dpy_refresh) {
|
|
display_state.gui_timer = qemu_new_timer(rt_clock, gui_update, &display_state);
|
|
qemu_mod_timer(display_state.gui_timer, qemu_get_clock(rt_clock));
|
|
}
|
|
|
|
#ifdef CONFIG_GDBSTUB
|
|
if (use_gdbstub) {
|
|
/* XXX: use standard host:port notation and modify options
|
|
accordingly. */
|
|
if (gdbserver_start(gdbstub_port) < 0) {
|
|
fprintf(stderr, "qemu: could not open gdbstub device on port '%s'\n",
|
|
gdbstub_port);
|
|
exit(1);
|
|
}
|
|
}
|
|
#endif
|
|
|
|
if (loadvm)
|
|
do_loadvm(loadvm);
|
|
|
|
if (incoming) {
|
|
autostart = 0; /* fixme how to deal with -daemonize */
|
|
qemu_start_incoming_migration(incoming);
|
|
}
|
|
|
|
{
|
|
/* XXX: simplify init */
|
|
read_passwords();
|
|
if (autostart) {
|
|
vm_start();
|
|
}
|
|
}
|
|
|
|
if (daemonize) {
|
|
uint8_t status = 0;
|
|
ssize_t len;
|
|
int fd;
|
|
|
|
again1:
|
|
len = write(fds[1], &status, 1);
|
|
if (len == -1 && (errno == EINTR))
|
|
goto again1;
|
|
|
|
if (len != 1)
|
|
exit(1);
|
|
|
|
chdir("/");
|
|
TFR(fd = open("/dev/null", O_RDWR));
|
|
if (fd == -1)
|
|
exit(1);
|
|
|
|
dup2(fd, 0);
|
|
dup2(fd, 1);
|
|
dup2(fd, 2);
|
|
|
|
close(fd);
|
|
}
|
|
|
|
main_loop();
|
|
quit_timers();
|
|
net_cleanup();
|
|
|
|
return 0;
|
|
}
|