Revision 1b48824f
| b/vl.c | ||
|---|---|---|
| 722 | 722 |
icount_adjust(); |
| 723 | 723 |
} |
| 724 | 724 |
|
| 725 |
static void configure_icount(const char *option) |
|
| 726 |
{
|
|
| 727 |
if (!option) |
|
| 728 |
return; |
|
| 729 |
|
|
| 730 |
if (strcmp(option, "auto") != 0) {
|
|
| 731 |
icount_time_shift = strtol(option, NULL, 0); |
|
| 732 |
use_icount = 1; |
|
| 733 |
return; |
|
| 734 |
} |
|
| 735 |
|
|
| 736 |
use_icount = 2; |
|
| 737 |
|
|
| 738 |
/* 125MIPS seems a reasonable initial guess at the guest speed. |
|
| 739 |
It will be corrected fairly quickly anyway. */ |
|
| 740 |
icount_time_shift = 3; |
|
| 741 |
|
|
| 742 |
/* Have both realtime and virtual time triggers for speed adjustment. |
|
| 743 |
The realtime trigger catches emulated time passing too slowly, |
|
| 744 |
the virtual time trigger catches emulated time passing too fast. |
|
| 745 |
Realtime triggers occur even when idle, so use them less frequently |
|
| 746 |
than VM triggers. */ |
|
| 747 |
icount_rt_timer = qemu_new_timer(rt_clock, icount_adjust_rt, NULL); |
|
| 748 |
qemu_mod_timer(icount_rt_timer, |
|
| 749 |
qemu_get_clock(rt_clock) + 1000); |
|
| 750 |
icount_vm_timer = qemu_new_timer(vm_clock, icount_adjust_vm, NULL); |
|
| 751 |
qemu_mod_timer(icount_vm_timer, |
|
| 752 |
qemu_get_clock(vm_clock) + get_ticks_per_sec() / 10); |
|
| 753 |
} |
|
| 754 |
|
|
| 755 | 725 |
static int64_t qemu_icount_round(int64_t count) |
| 756 | 726 |
{
|
| 757 | 727 |
return (count + (1 << icount_time_shift) - 1) >> icount_time_shift; |
| ... | ... | |
| 1056 | 1026 |
} |
| 1057 | 1027 |
}; |
| 1058 | 1028 |
|
| 1029 |
static void configure_icount(const char *option) |
|
| 1030 |
{
|
|
| 1031 |
vmstate_register(0, &vmstate_timers, &timers_state); |
|
| 1032 |
if (!option) |
|
| 1033 |
return; |
|
| 1034 |
|
|
| 1035 |
if (strcmp(option, "auto") != 0) {
|
|
| 1036 |
icount_time_shift = strtol(option, NULL, 0); |
|
| 1037 |
use_icount = 1; |
|
| 1038 |
return; |
|
| 1039 |
} |
|
| 1040 |
|
|
| 1041 |
use_icount = 2; |
|
| 1042 |
|
|
| 1043 |
/* 125MIPS seems a reasonable initial guess at the guest speed. |
|
| 1044 |
It will be corrected fairly quickly anyway. */ |
|
| 1045 |
icount_time_shift = 3; |
|
| 1046 |
|
|
| 1047 |
/* Have both realtime and virtual time triggers for speed adjustment. |
|
| 1048 |
The realtime trigger catches emulated time passing too slowly, |
|
| 1049 |
the virtual time trigger catches emulated time passing too fast. |
|
| 1050 |
Realtime triggers occur even when idle, so use them less frequently |
|
| 1051 |
than VM triggers. */ |
|
| 1052 |
icount_rt_timer = qemu_new_timer(rt_clock, icount_adjust_rt, NULL); |
|
| 1053 |
qemu_mod_timer(icount_rt_timer, |
|
| 1054 |
qemu_get_clock(rt_clock) + 1000); |
|
| 1055 |
icount_vm_timer = qemu_new_timer(vm_clock, icount_adjust_vm, NULL); |
|
| 1056 |
qemu_mod_timer(icount_vm_timer, |
|
| 1057 |
qemu_get_clock(vm_clock) + get_ticks_per_sec() / 10); |
|
| 1058 |
} |
|
| 1059 |
|
|
| 1059 | 1060 |
static void qemu_run_all_timers(void) |
| 1060 | 1061 |
{
|
| 1061 | 1062 |
/* rearm timer, if not periodic */ |
| ... | ... | |
| 5943 | 5944 |
if (qemu_opts_foreach(&qemu_drive_opts, drive_init_func, machine, 1) != 0) |
| 5944 | 5945 |
exit(1); |
| 5945 | 5946 |
|
| 5946 |
vmstate_register(0, &vmstate_timers ,&timers_state); |
|
| 5947 | 5947 |
register_savevm_live("ram", 0, 3, NULL, ram_save_live, NULL,
|
| 5948 | 5948 |
ram_load, NULL); |
| 5949 | 5949 |
|
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