EFI does not use the 'anchor string' to determine the SMBIOS table version, instead preferring to have two separate GUIDs. Use the correct one, depending on the table version.
Signed-off-by: Simon Glass sjg@chromium.org ---
include/efi_api.h | 4 ++++ lib/efi_loader/efi_smbios.c | 12 ++++++++++-- 2 files changed, 14 insertions(+), 2 deletions(-)
diff --git a/include/efi_api.h b/include/efi_api.h index 8f5ef5f680f3..1abac2ed7563 100644 --- a/include/efi_api.h +++ b/include/efi_api.h @@ -430,6 +430,10 @@ struct efi_runtime_services { EFI_GUID(0xeb9d2d31, 0x2d88, 0x11d3, \ 0x9a, 0x16, 0x00, 0x90, 0x27, 0x3f, 0xc1, 0x4d)
+#define SMBIOS3_TABLE_GUID \ + EFI_GUID(0xf2fd1544, 0x9794, 0x4a2c, \ + 0x99, 0x2e, 0xe5, 0xbb, 0xcf, 0x20, 0xe3, 0x94) + #define EFI_LOAD_FILE_PROTOCOL_GUID \ EFI_GUID(0x56ec3091, 0x954c, 0x11d2, \ 0x8e, 0x3f, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b) diff --git a/lib/efi_loader/efi_smbios.c b/lib/efi_loader/efi_smbios.c index 48446f654d9b..9ef736853d10 100644 --- a/lib/efi_loader/efi_smbios.c +++ b/lib/efi_loader/efi_smbios.c @@ -15,6 +15,8 @@ #include <smbios.h> #include <linux/sizes.h>
+const efi_guid_t smbios3_guid = SMBIOS3_TABLE_GUID; + enum { TABLE_SIZE = SZ_4K, }; @@ -26,8 +28,10 @@ enum { */ efi_status_t efi_smbios_register(void) { + const efi_guid_t *guid; ulong addr; efi_status_t ret; + void *buf;
addr = gd->arch.smbios_start; if (!addr) { @@ -43,8 +47,12 @@ efi_status_t efi_smbios_register(void) log_debug("EFI using SMBIOS tables at %lx\n", addr);
/* Install SMBIOS information as configuration table */ - return efi_install_configuration_table(&smbios_guid, - map_sysmem(addr, 0)); + buf = map_sysmem(addr, 10); + guid = !memcmp(buf, "_SM_", 4) ? &smbios_guid : &smbios3_guid; + ret = efi_install_configuration_table(guid, buf); + unmap_sysmem(buf); + + return ret; }
static int install_smbios_table(void)