diff options
Diffstat (limited to 'hw/i386')
| -rw-r--r-- | hw/i386/acpi-build.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c index 0e0535d2e3..b408d62560 100644 --- a/hw/i386/acpi-build.c +++ b/hw/i386/acpi-build.c @@ -95,6 +95,7 @@ typedef struct AcpiPmInfo { bool s3_disabled; bool s4_disabled; bool pcihp_bridge_en; + bool smi_on_cpuhp; uint8_t s4_val; AcpiFadtData fadt; uint16_t cpu_hp_io_base; @@ -194,6 +195,7 @@ static void acpi_get_pm_info(MachineState *machine, AcpiPmInfo *pm) pm->cpu_hp_io_base = 0; pm->pcihp_io_base = 0; pm->pcihp_io_len = 0; + pm->smi_on_cpuhp = false; assert(obj); init_common_fadt_data(machine, obj, &pm->fadt); @@ -207,12 +209,16 @@ static void acpi_get_pm_info(MachineState *machine, AcpiPmInfo *pm) object_property_get_uint(obj, ACPI_PCIHP_IO_LEN_PROP, NULL); } if (lpc) { + uint64_t smi_features = object_property_get_uint(lpc, + ICH9_LPC_SMI_NEGOTIATED_FEAT_PROP, NULL); struct AcpiGenericAddress r = { .space_id = AML_AS_SYSTEM_IO, .bit_width = 8, .address = ICH9_RST_CNT_IOPORT }; pm->fadt.reset_reg = r; pm->fadt.reset_val = 0xf; pm->fadt.flags |= 1 << ACPI_FADT_F_RESET_REG_SUP; pm->cpu_hp_io_base = ICH9_CPU_HOTPLUG_IO_BASE; + pm->smi_on_cpuhp = + !!(smi_features & BIT_ULL(ICH9_LPC_SMI_F_CPU_HOTPLUG_BIT)); } /* The above need not be conditional on machine type because the reset port |