diff options
Diffstat (limited to 'hw')
| -rw-r--r-- | hw/i386/acpi-build.c | 22 |
1 files changed, 18 insertions, 4 deletions
diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c index 6b7bade183..b9c245c9bb 100644 --- a/hw/i386/acpi-build.c +++ b/hw/i386/acpi-build.c @@ -90,6 +90,7 @@ typedef struct AcpiMcfgInfo { } AcpiMcfgInfo; typedef struct AcpiPmInfo { + bool force_rev1_fadt; bool s3_disabled; bool s4_disabled; bool pcihp_bridge_en; @@ -129,10 +130,13 @@ static void acpi_get_pm_info(AcpiPmInfo *pm) Object *obj = NULL; QObject *o; + pm->force_rev1_fadt = false; pm->cpu_hp_io_base = 0; pm->pcihp_io_base = 0; pm->pcihp_io_len = 0; if (piix) { + /* w2k requires FADT(rev1) or it won't boot, keep PC compatible */ + pm->force_rev1_fadt = true; obj = piix; pm->cpu_hp_io_base = PIIX4_CPU_HOTPLUG_IO_BASE; pm->pcihp_io_base = @@ -304,6 +308,9 @@ static void fadt_setup(AcpiFadtDescriptorRev3 *fadt, AcpiPmInfo *pm) fadt->flags |= cpu_to_le32(1 << ACPI_FADT_F_FORCE_APIC_CLUSTER_MODEL); } fadt->century = RTC_CENTURY; + if (pm->force_rev1_fadt) { + return; + } fadt->flags |= cpu_to_le32(1 << ACPI_FADT_F_RESET_REG_SUP); fadt->reset_value = 0xf; @@ -342,6 +349,8 @@ build_fadt(GArray *table_data, BIOSLinker *linker, AcpiPmInfo *pm, unsigned fw_ctrl_offset = (char *)&fadt->firmware_ctrl - table_data->data; unsigned dsdt_entry_offset = (char *)&fadt->dsdt - table_data->data; unsigned xdsdt_entry_offset = (char *)&fadt->x_dsdt - table_data->data; + int fadt_size = sizeof(*fadt); + int rev = 3; /* FACS address to be filled by Guest linker */ bios_linker_loader_add_pointer(linker, @@ -353,12 +362,17 @@ build_fadt(GArray *table_data, BIOSLinker *linker, AcpiPmInfo *pm, bios_linker_loader_add_pointer(linker, ACPI_BUILD_TABLE_FILE, dsdt_entry_offset, sizeof(fadt->dsdt), ACPI_BUILD_TABLE_FILE, dsdt_tbl_offset); - bios_linker_loader_add_pointer(linker, - ACPI_BUILD_TABLE_FILE, xdsdt_entry_offset, sizeof(fadt->x_dsdt), - ACPI_BUILD_TABLE_FILE, dsdt_tbl_offset); + if (pm->force_rev1_fadt) { + rev = 1; + fadt_size = offsetof(typeof(*fadt), reset_register); + } else { + bios_linker_loader_add_pointer(linker, + ACPI_BUILD_TABLE_FILE, xdsdt_entry_offset, sizeof(fadt->x_dsdt), + ACPI_BUILD_TABLE_FILE, dsdt_tbl_offset); + } build_header(linker, table_data, - (void *)fadt, "FACP", sizeof(*fadt), 3, oem_id, oem_table_id); + (void *)fadt, "FACP", fadt_size, rev, oem_id, oem_table_id); } void pc_madt_cpu_entry(AcpiDeviceIf *adev, int uid, |