On 06/27/2018 12:16 PM, Bin Meng wrote:
Output ACPI configuration table if it exists.
Signed-off-by: Bin Meng bmeng.cn@gmail.com
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..df7c82b 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 = ACPI_20_TABLE_GUID;
The UEFI standard calls the constant EFI_ACPI_20_TABLE_GUID or EFI_ACPI_TABLE_GUID. You will have to adjust this line if you adjust the include.
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 table\n");
As the guid refers to ACPI 2.0 (in contrast to ACPI_TABLE_GUID) I would prefer L"Have ACPI 2.0 table\n".
Best regards
Heinrich
if (!hw_memcmp(&systable->tables[i].guid, &smbios_guid, sizeof(efi_guid_t))) con_out->output_string(con_out, L"Have SMBIOS table\n");