Output ACPI configuration table if it exists.
Signed-off-by: Bin Meng <bmeng...@gmail.com>
---
Changes in v3:
- Use UEFI spec 2.7 provided ACPI table name
Changes in v2:
- new patch "output ACPI configuration table"
lib/efi_loader/helloworld.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/lib/efi_loader/helloworld.c b/lib/efi_loader/helloworld.c
index 046b46a..3b8de5b 100644
--- a/lib/efi_loader/helloworld.c
+++ b/lib/efi_loader/helloworld.c
@@ -14,6 +14,7 @@
static const efi_guid_t loaded_image_guid = LOADED_IMAGE_GUID;
static const efi_guid_t fdt_guid = EFI_FDT_GUID;
+static const efi_guid_t acpi_guid = EFI_ACPI_TABLE_GUID;
static const efi_guid_t smbios_guid = SMBIOS_TABLE_GUID;
static int hw_memcmp(const void *buf1, const void *buf2, size_t length)
@@ -79,6 +80,9 @@ efi_status_t EFIAPI efi_main(efi_handle_t handle,
if (!hw_memcmp(&systable->tables[i].guid, &fdt_guid,
sizeof(efi_guid_t)))
con_out->output_string(con_out, L"Have device tree\n");
+ if (!hw_memcmp(&systable->tables[i].guid, &acpi_guid,
+ sizeof(efi_guid_t)))
+ con_out->output_string(con_out, L"Have ACPI 2.0
table\n");
if (!hw_memcmp(&systable->tables[i].guid, &smbios_guid,
sizeof(efi_guid_t)))
con_out->output_string(con_out, L"Have SMBIOS table\n");
--
2.7.4
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