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Diffstat (limited to 'hw/acpi/core.c')
-rw-r--r--hw/acpi/core.c23
1 files changed, 22 insertions, 1 deletions
diff --git a/hw/acpi/core.c b/hw/acpi/core.c
index 51913d693..fe6215af4 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"
@@ -527,6 +528,7 @@ void acpi_pm_tmr_init(ACPIREGS *ar, acpi_update_sci_fn update_sci,
ar->tmr.timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, acpi_pm_tmr_timer, ar);
memory_region_init_io(&ar->tmr.io, memory_region_owner(parent),
&acpi_pm_tmr_ops, ar, "acpi-tmr", 4);
+ memory_region_clear_global_locking(&ar->tmr.io);
memory_region_add_subregion(parent, 8, &ar->tmr.io);
}
@@ -592,14 +594,26 @@ static const MemoryRegionOps acpi_pm_cnt_ops = {
.endianness = DEVICE_LITTLE_ENDIAN,
};
-void acpi_pm1_cnt_init(ACPIREGS *ar, MemoryRegion *parent, uint8_t s4_val)
+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)
@@ -666,6 +680,13 @@ uint32_t acpi_gpe_ioport_readb(ACPIREGS *ar, uint32_t addr)
return val;
}
+void acpi_send_gpe_event(ACPIREGS *ar, qemu_irq irq,
+ AcpiGPEStatusBits status)
+{
+ ar->gpe.sts[0] |= status;
+ acpi_update_sci(ar, irq);
+}
+
void acpi_update_sci(ACPIREGS *regs, qemu_irq irq)
{
int sci_level, pm1a_sts;