[edk2-devel] [PATCH] MdeModulePkg: Update the SMBIOS version by UPL

[kasimx . liu]

From: KasimX Liu <kasimx....@intel.com>

REF: https://bugzilla.tianocore.org/show_bug.cgi?id=4013

For the SMBIOS version can be update by UPL,we create
the gUniversalPayloadSmbios3TableGuid HOB to store
the value then updated version.

Cc: Guo Dong <guo.d...@intel.com>
Cc: Ray Ni <ray...@intel.com>
Cc: James Lu <james...@intel.com>
Cc: Gua Guo <gua....@intel.com>
Signed-off-by: KasimX Liu <kasimx....@intel.com>
---
 MdeModulePkg/Universal/SmbiosDxe/SmbiosDxe.c | 20 ++++++++++++++++++--
 1 file changed, 18 insertions(+), 2 deletions(-)

diff --git a/MdeModulePkg/Universal/SmbiosDxe/SmbiosDxe.c 
b/MdeModulePkg/Universal/SmbiosDxe/SmbiosDxe.c
index 81df59cd0f..5ee76c7129 100644
--- a/MdeModulePkg/Universal/SmbiosDxe/SmbiosDxe.c
+++ b/MdeModulePkg/Universal/SmbiosDxe/SmbiosDxe.c
@@ -1746,14 +1746,30 @@ SmbiosDriverEntryPoint (
   )
 {
   EFI_STATUS  Status;
+  EFI_HOB_GUID_TYPE               *GuidHob;
+  UNIVERSAL_PAYLOAD_SMBIOS_TABLE  *Smbiostable;
+  SMBIOS_TABLE_3_0_ENTRY_POINT    *Smbios30EntryPoint;
+
+  GuidHob = NULL;
+  Smbiostable = NULL;
+  Smbios30EntryPoint = NULL;
 
   mPrivateData.Signature           = SMBIOS_INSTANCE_SIGNATURE;
   mPrivateData.Smbios.Add          = SmbiosAdd;
   mPrivateData.Smbios.UpdateString = SmbiosUpdateString;
   mPrivateData.Smbios.Remove       = SmbiosRemove;
   mPrivateData.Smbios.GetNext      = SmbiosGetNext;
-  mPrivateData.Smbios.MajorVersion = (UINT8)(PcdGet16 (PcdSmbiosVersion) >> 8);
-  mPrivateData.Smbios.MinorVersion = (UINT8)(PcdGet16 (PcdSmbiosVersion) & 
0x00ff);
+
+  GuidHob = GetFirstGuidHob (&gUniversalPayloadSmbios3TableGuid);
+  if (GuidHob != NULL){
+    Smbiostable = (UNIVERSAL_PAYLOAD_SMBIOS_TABLE *) (UINTN 
*)(GET_GUID_HOB_DATA (GuidHob));
+    Smbios30EntryPoint = (SMBIOS_TABLE_3_0_ENTRY_POINT 
*)Smbiostable->SmBiosEntryPoint;
+    mPrivateData.Smbios.MajorVersion = Smbios30EntryPoint->MajorVersion;
+    mPrivateData.Smbios.MinorVersion = Smbios30EntryPoint->MinorVersion;
+  } else {
+    mPrivateData.Smbios.MajorVersion = (UINT8)(PcdGet16 (PcdSmbiosVersion) >> 
8);
+    mPrivateData.Smbios.MinorVersion = (UINT8)(PcdGet16 (PcdSmbiosVersion) & 
0x00ff);
+  }
 
   InitializeListHead (&mPrivateData.DataListHead);
   InitializeListHead (&mPrivateData.AllocatedHandleListHead);
-- 
2.32.0.windows.2



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