diff options
Diffstat (limited to 'hw/acpi/cpu.c')
| -rw-r--r-- | hw/acpi/cpu.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/hw/acpi/cpu.c b/hw/acpi/cpu.c index 401ac0dab2..c13b65c2c9 100644 --- a/hw/acpi/cpu.c +++ b/hw/acpi/cpu.c @@ -373,6 +373,15 @@ void build_cpus_aml(Aml *table, MachineState *machine, CPUHotplugFeatures opts, aml_append(field, aml_named_field(CPU_DATA, 32)); aml_append(cpu_ctrl_dev, field); + if (opts.has_legacy_cphp) { + method = aml_method("_INI", 0, AML_SERIALIZED); + /* switch off legacy CPU hotplug HW and use new one, + * on reboot system is in new mode and writing 0 + * in CPU_SELECTOR selects BSP, which is NOP at + * the time _INI is called */ + aml_append(method, aml_store(zero, aml_name(CPU_SELECTOR))); + aml_append(cpu_ctrl_dev, method); + } } aml_append(sb_scope, cpu_ctrl_dev); |