Signed-off-by: Amos Kong <address@hidden>
---
hw/fw_cfg.c | 29 +++++++++++++++++++++++++++++
qemu-config.c | 3 +++
qemu-options.hx | 10 +++++++---
vl.c | 3 ++-
4 files changed, 41 insertions(+), 4 deletions(-)
diff --git a/hw/fw_cfg.c b/hw/fw_cfg.c
index 7b3b576..a017184 100644
--- a/hw/fw_cfg.c
+++ b/hw/fw_cfg.c
@@ -183,6 +183,34 @@ static void fw_cfg_bootsplash(FWCfgState *s)
}
}
+static void fw_cfg_reboot(FWCfgState *s)
+{
+ int reboot_timeout = -1;
+ char *p;
+ const char *temp;
+
+ /* get user configuration */
+ QemuOptsList *plist = qemu_find_opts("boot-opts");
+ QemuOpts *opts = QTAILQ_FIRST(&plist->head);
+ if (opts != NULL) {
+ temp = qemu_opt_get(opts, "reboot-timeout");
+ if (temp != NULL) {
+ p = (char *)temp;
+ reboot_timeout = strtol(p, (char **)&p, 10);
+ }
+ }
+ if (reboot_timeout >= 0) {
+ /* validate the input */
+ if (reboot_timeout > 0xffff) {
+ error_report("reboot timeout is larger than 65535,"
+ " force it to 65535.");
+ reboot_timeout = 0xffff;
+ }
+ fw_cfg_add_file(s, "etc/boot-fail-wait", g_memdup(&reboot_timeout, 4),
+ 4);
+ }
+}
+
static void fw_cfg_write(FWCfgState *s, uint8_t value)
{
int arch = !!(s->cur_entry & FW_CFG_ARCH_LOCAL);
@@ -497,6 +525,7 @@ FWCfgState *fw_cfg_init(uint32_t ctl_port, uint32_t
data_port,
fw_cfg_add_i16(s, FW_CFG_MAX_CPUS, (uint16_t)max_cpus);
fw_cfg_add_i16(s, FW_CFG_BOOT_MENU, (uint16_t)boot_menu);
fw_cfg_bootsplash(s);
+ fw_cfg_reboot(s);
s->machine_ready.notify = fw_cfg_machine_ready;
qemu_add_machine_init_done_notifier(&s->machine_ready);
diff --git a/qemu-config.c b/qemu-config.c
index c05ffbc..b9f9e0f 100644
--- a/qemu-config.c
+++ b/qemu-config.c
@@ -638,6 +638,9 @@ QemuOptsList qemu_boot_opts = {
}, {
.name = "splash-time",
.type = QEMU_OPT_STRING,
+ }, {
+ .name = "reboot-timeout",
+ .type = QEMU_OPT_STRING,
},
{ /*End of list */ }
},
diff --git a/qemu-options.hx b/qemu-options.hx
index 3c411c4..d50505b 100644
--- a/qemu-options.hx
+++ b/qemu-options.hx
@@ -339,13 +339,14 @@ ETEXI
DEF("boot", HAS_ARG, QEMU_OPTION_boot,
"-boot [order=drives][,once=drives][,menu=on|off]\n"
- " [,splash=sp_name][,splash-time=sp_time]\n"
+ " [,splash=sp_name][,splash-time=sp_time][,reboot-timeout=rb_time]\n"
" 'drives': floppy (a), hard disk (c), CD-ROM (d), network
(n)\n"
" 'sp_name': the file's name that would be passed to bios as
logo picture, if menu=on\n"
- " 'sp_time': the period that splash picture last if menu=on,
unit is ms\n",
+ " 'sp_time': the period that splash picture last if menu=on,
unit is ms\n"
+ " 'rb_timeout': the timeout before guest reboot when boot
failed, unit is ms\n",
QEMU_ARCH_ALL)
STEXI
address@hidden -boot
address@hidden,address@hidden,menu=on|off][,address@hidden,address@hidden
address@hidden -boot
address@hidden,address@hidden,menu=on|off][,address@hidden,address@hidden,address@hidden
@findex -boot
Specify boot order @var{drives} as a string of drive letters. Valid
drive letters depend on the target achitecture. The x86 PC uses: a, b
@@ -364,6 +365,9 @@ limitation: The splash file could be a jpeg file or a BMP
file in 24 BPP
format(true color). The resolution should be supported by the SVGA mode, so
the recommended is 320x240, 640x480, 800x640.
+A timeout could be passed to bios, guest will pause for @var{rb_timeout} ms
+when boot failed, then reboot.
+
@example
# try to boot from network first, then from hard disk
qemu-system-i386 -boot order=nc
diff --git a/vl.c b/vl.c
index 7c577fa..1bd9931 100644
--- a/vl.c
+++ b/vl.c
@@ -2622,7 +2622,8 @@ int main(int argc, char **argv, char **envp)
{
static const char * const params[] = {
"order", "once", "menu",
- "splash", "splash-time", NULL
+ "splash", "splash-time",
+ "reboot-timeout", NULL
};
char buf[sizeof(boot_devices)];
char *standard_boot_devices;
--
1.7.1