diff options
Diffstat (limited to 'hw/acpi/core.c')
| -rw-r--r-- | hw/acpi/core.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/hw/acpi/core.c b/hw/acpi/core.c index c165096d3f..0f201d8c6d 100644 --- a/hw/acpi/core.c +++ b/hw/acpi/core.c @@ -22,6 +22,7 @@ #include "hw/hw.h" #include "hw/i386/pc.h" #include "hw/acpi/acpi.h" +#include "hw/nvram/fw_cfg.h" #include "qemu/config-file.h" #include "qapi/opts-visitor.h" #include "qapi/dealloc-visitor.h" @@ -595,12 +596,23 @@ static const MemoryRegionOps acpi_pm_cnt_ops = { void acpi_pm1_cnt_init(ACPIREGS *ar, MemoryRegion *parent, bool disable_s3, bool disable_s4, uint8_t s4_val) { + FWCfgState *fw_cfg; + ar->pm1.cnt.s4_val = s4_val; ar->wakeup.notify = acpi_notify_wakeup; qemu_register_wakeup_notifier(&ar->wakeup); memory_region_init_io(&ar->pm1.cnt.io, memory_region_owner(parent), &acpi_pm_cnt_ops, ar, "acpi-cnt", 2); memory_region_add_subregion(parent, 4, &ar->pm1.cnt.io); + + fw_cfg = fw_cfg_find(); + if (fw_cfg) { + uint8_t suspend[6] = {128, 0, 0, 129, 128, 128}; + suspend[3] = 1 | ((!disable_s3) << 7); + suspend[4] = s4_val | ((!disable_s4) << 7); + + fw_cfg_add_file(fw_cfg, "etc/system-states", g_memdup(suspend, 6), 6); + } } void acpi_pm1_cnt_reset(ACPIREGS *ar) |