/*
* QEMU System Emulator
*
- * Copyright (c) 2003-2005 Fabrice Bellard
+ * Copyright (c) 2003-2006 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
#include <time.h>
#include <errno.h>
#include <sys/time.h>
+#include <zlib.h>
#ifndef _WIN32
#include <sys/times.h>
#endif
int acpi_enabled = 1;
int fd_bootchk = 1;
+int no_reboot = 0;
/***********************************************************/
/* x86 ISA bus support */
}
qemu_put_be64s(f, &cpu_ticks_offset);
qemu_put_be64s(f, &ticks_per_sec);
+ qemu_put_be64s(f, &cpu_clock_offset);
}
static int timer_load(QEMUFile *f, void *opaque, int version_id)
{
- if (version_id != 1)
+ if (version_id != 1 && version_id != 2)
return -EINVAL;
if (cpu_ticks_enabled) {
return -EINVAL;
}
qemu_get_be64s(f, &cpu_ticks_offset);
qemu_get_be64s(f, &ticks_per_sec);
+ if (version_id == 2) {
+ qemu_get_be64s(f, &cpu_clock_offset);
+ }
return 0;
}
if (len == 0)
return;
size = read(s->fd_in, buf, len);
+ if (size == 0) {
+ /* FD has been closed. Remove it from the active list. */
+ qemu_set_fd_handler2(s->fd_in, NULL, NULL, NULL, NULL);
+ return;
+ }
if (size > 0) {
s->fd_read(s->fd_opaque, buf, size);
}
uint8_t buf[1];
size = read(0, buf, 1);
+ if (size == 0) {
+ /* stdin has been closed. Remove it from the active list. */
+ qemu_set_fd_handler2(0, NULL, NULL, NULL, NULL);
+ return;
+ }
if (size > 0)
stdio_received_byte(buf[0]);
}
|INLCR|IGNCR|ICRNL|IXON);
tty.c_oflag |= OPOST;
tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN|ISIG);
- tty.c_cflag &= ~(CSIZE|PARENB|PARODD|CRTSCTS);
+ tty.c_cflag &= ~(CSIZE|PARENB|PARODD|CRTSCTS|CSTOPB);
switch(data_bits) {
default:
case 8:
tty.c_cflag |= PARENB | PARODD;
break;
}
+ if (stop_bits == 2)
+ tty.c_cflag |= CSTOPB;
tcsetattr (fd, TCSANOW, &tty);
}
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) {
return;
}
+ /* ??? Should this occur after vm_stop? */
+ qemu_aio_flush();
+
saved_vm_running = vm_running;
vm_stop(0);
}
/* 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) {
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);
qemu_put_be64s(f, &env->fmask);
qemu_put_be64s(f, &env->kernelgsbase);
#endif
+ qemu_put_be32s(f, &env->smbase);
}
#ifdef USE_X86LDOUBLE
uint32_t hflags;
uint16_t fpus, fpuc, fptag, fpregs_format;
- if (version_id != 3)
+ if (version_id != 3 && version_id != 4)
return -EINVAL;
for(i = 0; i < CPU_NB_REGS; i++)
qemu_get_betls(f, &env->regs[i]);
qemu_get_be64s(f, &env->fmask);
qemu_get_be64s(f, &env->kernelgsbase);
#endif
+ if (version_id >= 4)
+ qemu_get_be32s(f, &env->smbase);
/* XXX: compute hflags from scratch, except for CPL and IIF */
env->hflags = hflags;
/***********************************************************/
/* ram save/restore */
-/* we just avoid storing empty pages */
-static void ram_put_page(QEMUFile *f, const uint8_t *buf, int len)
-{
- int i, v;
-
- v = buf[0];
- for(i = 1; i < len; i++) {
- if (buf[i] != v)
- goto normal_save;
- }
- qemu_put_byte(f, 1);
- qemu_put_byte(f, v);
- return;
- normal_save:
- qemu_put_byte(f, 0);
- qemu_put_buffer(f, buf, len);
-}
-
static int ram_get_page(QEMUFile *f, uint8_t *buf, int len)
{
int v;
return 0;
}
+static int ram_load_v1(QEMUFile *f, void *opaque)
+{
+ int i, ret;
+
+ 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 RamCompressState {
+ z_stream zstream;
+ QEMUFile *f;
+ uint8_t buf[IOBUF_SIZE];
+} RamCompressState;
+
+static int ram_compress_open(RamCompressState *s, QEMUFile *f)
+{
+ int ret;
+ memset(s, 0, sizeof(*s));
+ s->f = f;
+ ret = deflateInit2(&s->zstream, 1,
+ Z_DEFLATED, 15,
+ 9, Z_DEFAULT_STRATEGY);
+ if (ret != Z_OK)
+ return -1;
+ s->zstream.avail_out = IOBUF_SIZE;
+ s->zstream.next_out = s->buf;
+ return 0;
+}
+
+static void ram_put_cblock(RamCompressState *s, const uint8_t *buf, int len)
+{
+ qemu_put_be16(s->f, RAM_CBLOCK_MAGIC);
+ qemu_put_be16(s->f, len);
+ qemu_put_buffer(s->f, buf, len);
+}
+
+static int ram_compress_buf(RamCompressState *s, const uint8_t *buf, int len)
+{
+ int ret;
+
+ s->zstream.avail_in = len;
+ s->zstream.next_in = (uint8_t *)buf;
+ while (s->zstream.avail_in > 0) {
+ ret = deflate(&s->zstream, Z_NO_FLUSH);
+ if (ret != Z_OK)
+ return -1;
+ if (s->zstream.avail_out == 0) {
+ ram_put_cblock(s, s->buf, IOBUF_SIZE);
+ s->zstream.avail_out = IOBUF_SIZE;
+ s->zstream.next_out = s->buf;
+ }
+ }
+ return 0;
+}
+
+static void ram_compress_close(RamCompressState *s)
+{
+ int len, ret;
+
+ /* compress last bytes */
+ for(;;) {
+ ret = deflate(&s->zstream, Z_FINISH);
+ if (ret == Z_OK || ret == Z_STREAM_END) {
+ len = IOBUF_SIZE - s->zstream.avail_out;
+ if (len > 0) {
+ ram_put_cblock(s, s->buf, len);
+ }
+ s->zstream.avail_out = IOBUF_SIZE;
+ s->zstream.next_out = s->buf;
+ if (ret == Z_STREAM_END)
+ break;
+ } else {
+ goto fail;
+ }
+ }
+fail:
+ deflateEnd(&s->zstream);
+}
+
+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);
+}
+
static void ram_save(QEMUFile *f, void *opaque)
{
int i;
+ RamCompressState s1, *s = &s1;
+ uint8_t buf[10];
+
qemu_put_be32(f, phys_ram_size);
- for(i = 0; i < phys_ram_size; i+= TARGET_PAGE_SIZE) {
- ram_put_page(f, phys_ram_base + i, TARGET_PAGE_SIZE);
+ if (ram_compress_open(s, f) < 0)
+ return;
+ for(i = 0; i < phys_ram_size; i+= BDRV_HASH_BLOCK_SIZE) {
+#if 0
+ if (tight_savevm_enabled) {
+ int64_t sector_num;
+ int j;
+
+ /* find if the memory block is available on a virtual
+ block device */
+ sector_num = -1;
+ for(j = 0; j < MAX_DISKS; j++) {
+ if (bs_table[j]) {
+ sector_num = bdrv_hash_find(bs_table[j],
+ phys_ram_base + i, BDRV_HASH_BLOCK_SIZE);
+ if (sector_num >= 0)
+ break;
+ }
+ }
+ if (j == MAX_DISKS)
+ goto normal_compress;
+ buf[0] = 1;
+ buf[1] = j;
+ cpu_to_be64wu((uint64_t *)(buf + 2), sector_num);
+ ram_compress_buf(s, buf, 10);
+ } else
+#endif
+ {
+ // normal_compress:
+ buf[0] = 0;
+ ram_compress_buf(s, buf, 1);
+ ram_compress_buf(s, phys_ram_base + i, BDRV_HASH_BLOCK_SIZE);
+ }
}
+ ram_compress_close(s);
}
static int ram_load(QEMUFile *f, void *opaque, int version_id)
{
- int i, ret;
+ RamDecompressState s1, *s = &s1;
+ uint8_t buf[10];
+ int i;
- if (version_id != 1)
+ if (version_id == 1)
+ return ram_load_v1(f, opaque);
+ if (version_id != 2)
return -EINVAL;
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;
+ 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%08x", i);
+ goto error;
+ }
+ } else
+#if 0
+ if (buf[0] == 1) {
+ int bs_index;
+ int64_t sector_num;
+
+ ram_decompress_buf(s, buf + 1, 9);
+ bs_index = buf[1];
+ sector_num = be64_to_cpupu((const uint64_t *)(buf + 2));
+ if (bs_index >= MAX_DISKS || bs_table[bs_index] == NULL) {
+ fprintf(stderr, "Invalid block device index %d\n", bs_index);
+ goto error;
+ }
+ if (bdrv_read(bs_table[bs_index], sector_num, phys_ram_base + i,
+ BDRV_HASH_BLOCK_SIZE / 512) < 0) {
+ fprintf(stderr, "Error while reading sector %d:%" PRId64 "\n",
+ bs_index, sector_num);
+ goto error;
+ }
+ } else
+#endif
+ {
+ error:
+ printf("Error block header\n");
+ return -EINVAL;
+ }
}
+ ram_decompress_close(s);
return 0;
}
void qemu_system_reset_request(void)
{
- reset_requested = 1;
+ if (no_reboot) {
+ shutdown_requested = 1;
+ } else {
+ reset_requested = 1;
+ }
if (cpu_single_env)
cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT);
}
slirp_select_poll(&rfds, &wfds, &xfds);
}
#endif
-#ifdef _WIN32
- tap_win32_poll();
-#endif
qemu_aio_poll();
qemu_bh_poll();
void help(void)
{
- printf("QEMU PC emulator version " QEMU_VERSION ", Copyright (c) 2003-2005 Fabrice Bellard\n"
+ printf("QEMU PC emulator version " QEMU_VERSION ", Copyright (c) 2003-2006 Fabrice Bellard\n"
"usage: %s [options] [disk_image]\n"
"\n"
"'disk_image' is a raw hard image image for IDE hard disk 0\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 and VGA BIOS\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"
" (default is CL-GD5446 PCI VGA)\n"
"-no-acpi disable ACPI\n"
#endif
+ "-no-reboot exit instead of rebooting\n"
"-loadvm file start right away with a saved state (loadvm in monitor)\n"
"-vnc display start a VNC server on display\n"
"\n"
QEMU_OPTION_smp,
QEMU_OPTION_vnc,
QEMU_OPTION_no_acpi,
+ QEMU_OPTION_no_reboot,
};
typedef struct QEMUOption {
{ "usb", 0, QEMU_OPTION_usb },
{ "cirrusvga", 0, QEMU_OPTION_cirrusvga },
{ "no-acpi", 0, QEMU_OPTION_no_acpi },
+ { "no-reboot", 0, QEMU_OPTION_no_reboot },
{ NULL },
};
qemu_register_machine(&integratorcp1026_machine);
qemu_register_machine(&versatilepb_machine);
qemu_register_machine(&versatileab_machine);
+ qemu_register_machine(&realview_machine);
#elif defined(TARGET_SH4)
qemu_register_machine(&shix_machine);
#else
case QEMU_OPTION_no_acpi:
acpi_enabled = 0;
break;
+ case QEMU_OPTION_no_reboot:
+ no_reboot = 1;
+ break;
}
}
}
}
}
- register_savevm("timer", 0, 1, timer_save, timer_load, NULL);
- register_savevm("ram", 0, 1, ram_save, ram_load, NULL);
+ register_savevm("timer", 0, 2, timer_save, timer_load, NULL);
+ register_savevm("ram", 0, 2, ram_save, ram_load, NULL);
init_ioports();
monitor_init(monitor_hd, !nographic);
for(i = 0; i < MAX_SERIAL_PORTS; i++) {
- if (serial_devices[i][0] != '\0') {
- serial_hds[i] = qemu_chr_open(serial_devices[i]);
+ const char *devname = serial_devices[i];
+ if (devname[0] != '\0' && strcmp(devname, "none")) {
+ serial_hds[i] = qemu_chr_open(devname);
if (!serial_hds[i]) {
fprintf(stderr, "qemu: could not open serial device '%s'\n",
- serial_devices[i]);
+ devname);
exit(1);
}
- if (!strcmp(serial_devices[i], "vc"))
+ if (!strcmp(devname, "vc"))
qemu_chr_printf(serial_hds[i], "serial%d console\r\n", i);
}
}
for(i = 0; i < MAX_PARALLEL_PORTS; i++) {
- if (parallel_devices[i][0] != '\0') {
- parallel_hds[i] = qemu_chr_open(parallel_devices[i]);
+ const char *devname = parallel_devices[i];
+ if (devname[0] != '\0' && strcmp(devname, "none")) {
+ parallel_hds[i] = qemu_chr_open(devname);
if (!parallel_hds[i]) {
fprintf(stderr, "qemu: could not open parallel device '%s'\n",
- parallel_devices[i]);
+ devname);
exit(1);
}
- if (!strcmp(parallel_devices[i], "vc"))
+ if (!strcmp(devname, "vc"))
qemu_chr_printf(parallel_hds[i], "parallel%d console\r\n", i);
}
}
projects / qemu / blobdiff