diff options
| author | Giri Mudusuru <girim@apple.com> | 2023-05-05 08:17:09 +0800 |
|---|---|---|
| committer | mergify[bot] <37929162+mergify[bot]@users.noreply.github.com> | 2023-05-12 05:09:14 +0000 |
| commit | 2d4c76f783ee7eaab65b64f2f8c04f78394be0d1 (patch) | |
| tree | 9ffabc021879a51f23c3801bed7b1ff29a498d5c | |
| parent | c08a3a96fd19ac8adc75f00d373b4a1606b26c00 (diff) | |
| download | edk2-2d4c76f783ee7eaab65b64f2f8c04f78394be0d1.tar.gz | |
MdePkg/IndustryStandard: Add SMBIOS anchor string & length defines.
REF: https://bugzilla.tianocore.org/show_bug.cgi?id=3805
Add SMBIOS spec defined anchor strings & length defines.
- '_SM_' chapter 5.2.1 SMBIOS 2.1 (32-bit) Entry Point
- '_SM3_' chapter 5.2.2 SMBIOS 3.0 (64-bit) Entry Point
Changes from v1 to v2:
- Replace non-ASCII characters
Cc: Michael D Kinney <michael.d.kinney@intel.com>
Cc: Liming Gao <gaoliming@byosoft.com.cn>
Cc: Zhiguang Liu <zhiguang.liu@intel.com>
Cc: Andrew Fish <afish@apple.com>
Signed-off-by: Giri Mudusuru <girim@apple.com>
Reviewed-by: Liming Gao <gaoliming@byosoft.com.cn>
| -rw-r--r-- | MdePkg/Include/IndustryStandard/SmBios.h | 22 |
1 files changed, 20 insertions, 2 deletions
diff --git a/MdePkg/Include/IndustryStandard/SmBios.h b/MdePkg/Include/IndustryStandard/SmBios.h index 9cbdec1182..89985bb418 100644 --- a/MdePkg/Include/IndustryStandard/SmBios.h +++ b/MdePkg/Include/IndustryStandard/SmBios.h @@ -48,6 +48,24 @@ SPDX-License-Identifier: BSD-2-Clause-Patent //
#define SMBIOS_3_0_TABLE_MAX_LENGTH 0xFFFFFFFF
+///
+/// Reference SMBIOS 3.4, chapter 5.2.1 SMBIOS 2.1 (32-bit) Entry Point
+/// Table 1 - SMBIOS 2.1 (32-bit) Entry Point structure, offset 00h
+/// _SM_, specified as four ASCII characters (5F 53 4D 5F).
+///@{
+#define SMBIOS_ANCHOR_STRING "_SM_"
+#define SMBIOS_ANCHOR_STRING_LENGTH 4
+///@}
+
+///
+/// Reference SMBIOS 3.4, chapter 5.2.2 SMBIOS 3.0 (64-bit) Entry Point
+/// Table 2 - SMBIOS 3.0 (64-bit) Entry Point structure, offset 00h
+/// _SM3_, specified as five ASCII characters (5F 53 4D 33 5F).
+///@{
+#define SMBIOS_3_0_ANCHOR_STRING "_SM3_"
+#define SMBIOS_3_0_ANCHOR_STRING_LENGTH 5
+///@}
+
//
// SMBIOS type macros which is according to SMBIOS 3.3.0 specification.
//
@@ -138,7 +156,7 @@ typedef UINT16 SMBIOS_HANDLE; ///
#pragma pack(1)
typedef struct {
- UINT8 AnchorString[4];
+ UINT8 AnchorString[SMBIOS_ANCHOR_STRING_LENGTH];
UINT8 EntryPointStructureChecksum;
UINT8 EntryPointLength;
UINT8 MajorVersion;
@@ -155,7 +173,7 @@ typedef struct { } SMBIOS_TABLE_ENTRY_POINT;
typedef struct {
- UINT8 AnchorString[5];
+ UINT8 AnchorString[SMBIOS_3_0_ANCHOR_STRING_LENGTH];
UINT8 EntryPointStructureChecksum;
UINT8 EntryPointLength;
UINT8 MajorVersion;
|