diff options
Diffstat (limited to 'hw')
| -rw-r--r-- | hw/acpi/cpu_hotplug_acpi_table.c | 23 | ||||
| -rw-r--r-- | hw/i386/acpi-build.c | 5 | ||||
| -rw-r--r-- | hw/i386/acpi-dsdt-cpu-hotplug.dsl | 13 |
3 files changed, 26 insertions, 15 deletions
diff --git a/hw/acpi/cpu_hotplug_acpi_table.c b/hw/acpi/cpu_hotplug_acpi_table.c index 422e57b5b3..69c37fad71 100644 --- a/hw/acpi/cpu_hotplug_acpi_table.c +++ b/hw/acpi/cpu_hotplug_acpi_table.c @@ -19,6 +19,29 @@ void build_cpu_hotplug_aml(Aml *ctx) { Aml *method; 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); + Aml *cpu_on = aml_local(0); + Aml *madt = aml_local(1); + Aml *cpus_map = aml_name(CPU_ON_BITMAP); + + /* + * _MAT method - creates an madt apic buffer + * cpu_id = Arg0 = Processor ID = Local APIC ID + * cpu_on = Local0 = CPON flag for this cpu + * madt = Local1 = Buffer (in madt apic form) to return + */ + method = aml_method(CPU_MAT_METHOD, 1, AML_NOTSERIALIZED); + aml_append(method, + aml_store(aml_derefof(aml_index(cpus_map, cpu_id)), cpu_on)); + aml_append(method, + aml_store(aml_buffer(sizeof(madt_tmpl), madt_tmpl), madt)); + /* Update the processor id, lapic id, and enable/disable status */ + aml_append(method, aml_store(cpu_id, aml_index(madt, aml_int(2)))); + aml_append(method, aml_store(cpu_id, aml_index(madt, aml_int(3)))); + aml_append(method, aml_store(cpu_on, aml_index(madt, aml_int(4)))); + aml_append(method, aml_return(madt)); + aml_append(sb_scope, method); method = aml_method(CPU_EJECT_METHOD, 2, AML_NOTSERIALIZED); aml_append(method, aml_sleep(200)); diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c index 53b29163a2..88299fa285 100644 --- a/hw/i386/acpi-build.c +++ b/hw/i386/acpi-build.c @@ -1318,7 +1318,8 @@ build_ssdt(GArray *table_data, GArray *linker, dev = aml_processor(i, 0, 0, "CP%.02X", i); method = aml_method("_MAT", 0, AML_NOTSERIALIZED); - aml_append(method, aml_return(aml_call1("CPMA", aml_int(i)))); + aml_append(method, + aml_return(aml_call1(CPU_MAT_METHOD, aml_int(i)))); aml_append(dev, method); method = aml_method("_STA", 0, AML_NOTSERIALIZED); @@ -1362,7 +1363,7 @@ build_ssdt(GArray *table_data, GArray *linker, uint8_t b = test_bit(i, cpu->found_cpus) ? 0x01 : 0x00; aml_append(pkg, aml_int(b)); } - aml_append(sb_scope, aml_name_decl("CPON", pkg)); + aml_append(sb_scope, aml_name_decl(CPU_ON_BITMAP, pkg)); build_memory_devices(sb_scope, nr_mem, pm->mem_hp_io_base, pm->mem_hp_io_len); diff --git a/hw/i386/acpi-dsdt-cpu-hotplug.dsl b/hw/i386/acpi-dsdt-cpu-hotplug.dsl index 18331be220..9739191417 100644 --- a/hw/i386/acpi-dsdt-cpu-hotplug.dsl +++ b/hw/i386/acpi-dsdt-cpu-hotplug.dsl @@ -24,19 +24,6 @@ Scope(\_SB) { External(PRS, FieldUnitObj) /* Methods called by run-time generated SSDT Processor objects */ - Method(CPMA, 1, NotSerialized) { - // _MAT method - create an madt apic buffer - // Arg0 = Processor ID = Local APIC ID - // Local0 = CPON flag for this cpu - Store(DerefOf(Index(CPON, Arg0)), Local0) - // Local1 = Buffer (in madt apic form) to return - Store(Buffer(8) {0x00, 0x08, 0x00, 0x00, 0x00, 0, 0, 0}, Local1) - // Update the processor id, lapic id, and enable/disable status - Store(Arg0, Index(Local1, 2)) - Store(Arg0, Index(Local1, 3)) - Store(Local0, Index(Local1, 4)) - Return (Local1) - } Method(CPST, 1, NotSerialized) { // _STA method - return ON status of cpu // Arg0 = Processor ID = Local APIC ID |