diff options
| -rw-r--r-- | hw/acpi/cpu_hotplug_acpi_table.c | 22 | ||||
| -rw-r--r-- | hw/i386/acpi-build.c | 3 | ||||
| -rw-r--r-- | hw/i386/acpi-dsdt-cpu-hotplug.dsl | 12 | ||||
| -rw-r--r-- | include/hw/acpi/cpu_hotplug.h | 1 |
4 files changed, 25 insertions, 13 deletions
diff --git a/hw/acpi/cpu_hotplug_acpi_table.c b/hw/acpi/cpu_hotplug_acpi_table.c index 69c37fad71..90c4043f4d 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 *cpu_id = aml_arg(0); @@ -43,6 +45,26 @@ void build_cpu_hotplug_aml(Aml *ctx) aml_append(method, aml_return(madt)); aml_append(sb_scope, method); + /* + * _STA method - return ON status of cpu + * cpu_id = Arg0 = Processor ID = Local APIC ID + * 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(cpus_map, cpu_id)), cpu_on)); + if_ctx = aml_if(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 88299fa285..69b7160189 100644 --- a/hw/i386/acpi-build.c +++ b/hw/i386/acpi-build.c @@ -1323,7 +1323,8 @@ 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 9739191417..fb75edaefe 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 40b9316cb8..0755dd3347 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_ON_BITMAP "CPON" +#define CPU_STATUS_METHOD "CPST" void build_cpu_hotplug_aml(Aml *ctx); #endif |