diff options
Diffstat (limited to 'OvmfPkg/Library/SmbiosVersionLib/DetectSmbiosVersionLib.c')
| -rw-r--r-- | OvmfPkg/Library/SmbiosVersionLib/DetectSmbiosVersionLib.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/OvmfPkg/Library/SmbiosVersionLib/DetectSmbiosVersionLib.c b/OvmfPkg/Library/SmbiosVersionLib/DetectSmbiosVersionLib.c index 9d5e337e1a..950c3f7e0a 100644 --- a/OvmfPkg/Library/SmbiosVersionLib/DetectSmbiosVersionLib.c +++ b/OvmfPkg/Library/SmbiosVersionLib/DetectSmbiosVersionLib.c @@ -27,6 +27,7 @@ typedef union {
SMBIOS_TABLE_ENTRY_POINT V2;
+ SMBIOS_TABLE_3_0_ENTRY_POINT V3;
} QEMU_SMBIOS_ANCHOR;
RETURN_STATUS
@@ -73,6 +74,22 @@ DetectSmbiosVersion ( QemuAnchor.V2.MinorVersion);
break;
+ case sizeof QemuAnchor.V3:
+ QemuFwCfgReadBytes (AnchorSize, &QemuAnchor);
+
+ if (QemuAnchor.V3.MajorVersion != 3 ||
+ QemuAnchor.V3.TableMaximumSize != TablesSize ||
+ CompareMem (QemuAnchor.V3.AnchorString, "_SM3_", 5) != 0) {
+ return RETURN_SUCCESS;
+ }
+ SmbiosVersion = (UINT16)(QemuAnchor.V3.MajorVersion << 8 |
+ QemuAnchor.V3.MinorVersion);
+
+ DEBUG ((EFI_D_INFO, "%a: SMBIOS 3.x DocRev from QEMU: 0x%02x\n",
+ __FUNCTION__, QemuAnchor.V3.DocRev));
+ PcdSet8 (PcdSmbiosDocRev, QemuAnchor.V3.DocRev);
+ break;
+
default:
return RETURN_SUCCESS;
}
|