diff options
Diffstat (limited to 'hw/acpi/vmgenid.c')
| -rw-r--r-- | hw/acpi/vmgenid.c | 13 |
1 files changed, 6 insertions, 7 deletions
diff --git a/hw/acpi/vmgenid.c b/hw/acpi/vmgenid.c index 4f41a13..0c9f158 100644 --- a/hw/acpi/vmgenid.c +++ b/hw/acpi/vmgenid.c @@ -29,6 +29,8 @@ void vmgenid_build_acpi(VmGenIdState *vms, GArray *table_data, GArray *guid, Aml *ssdt, *dev, *scope, *method, *addr, *if_ctx; uint32_t vgia_offset; QemuUUID guid_le; + AcpiTable table = { .sig = "SSDT", .rev = 1, + .oem_id = oem_id, .oem_table_id = "VMGENID" }; /* Fill in the GUID values. These need to be converted to little-endian * first, since that's what the guest expects @@ -42,12 +44,10 @@ void vmgenid_build_acpi(VmGenIdState *vms, GArray *table_data, GArray *guid, g_array_insert_vals(guid, VMGENID_GUID_OFFSET, guid_le.data, ARRAY_SIZE(guid_le.data)); - /* Put this in a separate SSDT table */ + /* Put VMGNEID into a separate SSDT table */ + acpi_table_begin(&table, table_data); ssdt = init_aml_allocator(); - /* Reserve space for header */ - acpi_data_push(ssdt->buf, sizeof(AcpiTableHeader)); - /* Storage for the GUID address */ vgia_offset = table_data->len + build_append_named_dword(ssdt->buf, "VGIA"); @@ -116,9 +116,8 @@ void vmgenid_build_acpi(VmGenIdState *vms, GArray *table_data, GArray *guid, ACPI_BUILD_TABLE_FILE, vgia_offset, sizeof(uint32_t), VMGENID_GUID_FW_CFG_FILE, 0); - build_header(linker, table_data, - (void *)(table_data->data + table_data->len - ssdt->buf->len), - "SSDT", ssdt->buf->len, 1, oem_id, "VMGENID"); + /* must be called after above command to ensure correct table checksum */ + acpi_table_end(linker, &table); free_aml_allocator(); } |