[PATCH 3/4] Use reserved STS bits from PIIX4 chipset to avoid clash in the future

[Gleb Natapov]

Signed-off-by: Gleb Natapov <g...@redhat.com>
---

 qemu/hw/acpi.c |    6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/bios/acpi-dsdt.dsl b/bios/acpi-dsdt.dsl
index f94ab22..1d1a6b5 100755
--- a/bios/acpi-dsdt.dsl
+++ b/bios/acpi-dsdt.dsl
@@ -746,7 +746,7 @@ DefinitionBlock (
        Name(_HID, "ACPI0006")
 
         Method(_L00) {
-           Return(\_PR.PRSC())
+            Return(0x01)
         }
 
 #define gen_pci_hotplug(nr)                                       \
@@ -794,7 +794,7 @@ DefinitionBlock (
         }
 
         Method(_L02) {
-            Return(0x01)
+           Return(\_PR.PRSC())
         }
         Method(_L03) {
             Return(0x01)
diff --git a/qemu/hw/acpi.c b/qemu/hw/acpi.c
index 60ef43f..c2c60ad 100644
--- a/qemu/hw/acpi.c
+++ b/qemu/hw/acpi.c
@@ -752,13 +752,13 @@ void qemu_system_hot_add_init(const char *cpu_model)
 
 static void enable_processor(struct gpe_regs *g, int cpu)
 {
-    g->sts |= 1;
+    g->sts |= 4;
     g->cpus_sts[cpu/8] |= (1 << (cpu%8));
 }
 
 static void disable_processor(struct gpe_regs *g, int cpu)
 {
-    g->sts |= 1;
+    g->sts |= 4;
     g->cpus_sts[cpu/8] &= ~(1 << (cpu%8));
 }
 
@@ -804,7 +804,7 @@ void qemu_system_cpu_hot_add(int cpu, int state)
         enable_processor(&gpe, cpu);
     else
         disable_processor(&gpe, cpu);
-    if (gpe.en & 1) {
+    if (gpe.en & 4) {
         qemu_set_irq(pm_state->irq, 1);
         qemu_set_irq(pm_state->irq, 0);
     }

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