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[Qemu-devel] [PATCH 41/74] pc: acpi: cpuhp: move CPST() method into SSDT
From: |
Igor Mammedov |
Subject: |
[Qemu-devel] [PATCH 41/74] pc: acpi: cpuhp: move CPST() method into SSDT |
Date: |
Thu, 10 Dec 2015 00:41:35 +0100 |
Signed-off-by: Igor Mammedov <address@hidden>
---
hw/acpi/cpu_hotplug_acpi_table.c | 18 ++++++++++++++++++
hw/i386/acpi-build.c | 3 ++-
hw/i386/acpi-dsdt-cpu-hotplug.dsl | 12 ------------
include/hw/acpi/cpu_hotplug.h | 1 +
4 files changed, 21 insertions(+), 13 deletions(-)
diff --git a/hw/acpi/cpu_hotplug_acpi_table.c b/hw/acpi/cpu_hotplug_acpi_table.c
index fd1f85e..8255937 100644
--- a/hw/acpi/cpu_hotplug_acpi_table.c
+++ b/hw/acpi/cpu_hotplug_acpi_table.c
@@ -18,6 +18,8 @@
void build_cpu_hotplug_aml(Aml *ctx)
{
Aml *method;
+ Aml *if_ctx;
+ Aml *else_ctx;
Aml *sb_scope = aml_scope("_SB");
uint8_t madt_tmpl[8] = {0x00, 0x08, 0x00, 0x00, 0x00, 0, 0, 0};
Aml *a_cpu_id = aml_arg(0);
@@ -43,6 +45,22 @@ void build_cpu_hotplug_aml(Aml *ctx)
aml_append(method, aml_return(a_madt));
aml_append(sb_scope, method);
+ /*
+ * _STA method - return ON status of cpu
+ * a_cpu_id = Arg0 = Processor ID = Local APIC ID
+ * a_cpu_on = Local0 = CPON flag for this cpu
+ */
+ method = aml_method(CPU_STATUS_METHOD, 1, AML_NOTSERIALIZED);
+ aml_append(method, aml_store(
+ aml_derefof(aml_index(a_cpus_map, a_cpu_id)), a_cpu_on));
+ if_ctx = aml_if(a_cpu_on);
+ aml_append(if_ctx, aml_return(aml_int(0xF)));
+ aml_append(method, if_ctx);
+ else_ctx = aml_else();
+ aml_append(else_ctx, aml_return(aml_int(0x0)));
+ aml_append(method, else_ctx);
+ aml_append(sb_scope, method);
+
method = aml_method(CPU_EJECT_METHOD, 2, AML_NOTSERIALIZED);
aml_append(method, aml_sleep(200));
aml_append(sb_scope, method);
diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c
index eb1f90b..3675928 100644
--- a/hw/i386/acpi-build.c
+++ b/hw/i386/acpi-build.c
@@ -1296,7 +1296,8 @@ build_ssdt(GArray *table_data, GArray *linker,
aml_append(dev, method);
method = aml_method("_STA", 0, AML_NOTSERIALIZED);
- aml_append(method, aml_return(aml_call1("CPST", aml_int(i))));
+ aml_append(method,
+ aml_return(aml_call1(CPU_STATUS_METHOD, aml_int(i))));
aml_append(dev, method);
method = aml_method("_EJ0", 1, AML_NOTSERIALIZED);
diff --git a/hw/i386/acpi-dsdt-cpu-hotplug.dsl
b/hw/i386/acpi-dsdt-cpu-hotplug.dsl
index 9739191..fb75eda 100644
--- a/hw/i386/acpi-dsdt-cpu-hotplug.dsl
+++ b/hw/i386/acpi-dsdt-cpu-hotplug.dsl
@@ -24,18 +24,6 @@ Scope(\_SB) {
External(PRS, FieldUnitObj)
/* Methods called by run-time generated SSDT Processor objects */
- Method(CPST, 1, NotSerialized) {
- // _STA method - return ON status of cpu
- // Arg0 = Processor ID = Local APIC ID
- // Local0 = CPON flag for this cpu
- Store(DerefOf(Index(CPON, Arg0)), Local0)
- If (Local0) {
- Return (0xF)
- } Else {
- Return (0x0)
- }
- }
-
Method(PRSC, 0) {
// Local5 = active cpu bitmap
Store(PRS, Local5)
diff --git a/include/hw/acpi/cpu_hotplug.h b/include/hw/acpi/cpu_hotplug.h
index d0b6d6b..1ae3b29 100644
--- a/include/hw/acpi/cpu_hotplug.h
+++ b/include/hw/acpi/cpu_hotplug.h
@@ -30,6 +30,7 @@ void acpi_cpu_hotplug_init(MemoryRegion *parent, Object
*owner,
#define CPU_EJECT_METHOD "CPEJ"
#define CPU_MAT_METHOD "CPMA"
#define CPU_CPU_ON_BITMAP "CPON"
+#define CPU_STATUS_METHOD "CPST"
void build_cpu_hotplug_aml(Aml *ctx);
#endif
--
1.8.3.1
- Re: [Qemu-devel] [PATCH 13/74] acpi: add aml_alias(), (continued)
- [Qemu-devel] [PATCH 38/74] pc: acpi: drop unused CPU_STATUS_LEN from DSDT, Igor Mammedov, 2015/12/09
- [Qemu-devel] [PATCH 40/74] pc: acpi: cpuhp: move CPMA() method into SSDT, Igor Mammedov, 2015/12/09
- [Qemu-devel] [PATCH 41/74] pc: acpi: cpuhp: move CPST() method into SSDT,
Igor Mammedov <=
- [Qemu-devel] [PATCH 48/74] pc: acpi: move KBD device from DSDT to SSDT, Igor Mammedov, 2015/12/09
- [Qemu-devel] [PATCH 53/74] pc: acpi: move PIIX4 isa-bridge and pm devices into SSDT, Igor Mammedov, 2015/12/09
- [Qemu-devel] [PATCH 17/74] acpi: add aml_lgreater(), Igor Mammedov, 2015/12/09
- [Qemu-devel] [PATCH 19/74] acpi: add aml_to_hexstring(), Igor Mammedov, 2015/12/09
- [Qemu-devel] [PATCH 18/74] acpi: extend aml_field() to support LockRule, Igor Mammedov, 2015/12/09
- [Qemu-devel] [PATCH 21/74] acpi add aml_dma(), Igor Mammedov, 2015/12/09
- [Qemu-devel] [PATCH 27/74] pc: acpi: memhp: move MHPD.MLCK mutex into SSDT, Igor Mammedov, 2015/12/09
- [Qemu-devel] [PATCH 29/74] pc: acpi: memhp: move MHPD.MRST method into SSDT, Igor Mammedov, 2015/12/09