MdeModulePkg/Universal/SmbiosDxe/SmbiosDxe.c | 20 ++++++++++++-------- 1 file changed, 12 insertions(+), 8 deletions(-)
From: HoraceX Lien <horacex.lien@intel.com>
REF: https://bugzilla.tianocore.org/show_bug.cgi?id=4544
These value of Major/Minor version are updated from SMBIOS memory data,
but BCD Revision is updated from PCD PcdSmbiosVersion.
We should also update BCD Revision from SMBIOS memory data,
to ensure that get consistent version value.
Cc: Zhiguang Liu <zhiguang.liu@intel.com>
Reviewed-by: Gua Guo <gua.guo@intel.com>
Reviewed-by: Dandan Bi <dandan.bi@intel.com>
Reviewed-by: Michael D Kinney <michael.d.kinney@intel.com>
Cc: Star Zeng <star.zeng@intel.com>
Cc: Zhichao Gao <zhichao.gao@intel.com>
Signed-off-by: HoraceX Lien <horacex.lien@intel.com>
---
MdeModulePkg/Universal/SmbiosDxe/SmbiosDxe.c | 20 ++++++++++++--------
1 file changed, 12 insertions(+), 8 deletions(-)
diff --git a/MdeModulePkg/Universal/SmbiosDxe/SmbiosDxe.c b/MdeModulePkg/Universal/SmbiosDxe/SmbiosDxe.c
index 1a86e69d3c..2ef7b8e21c 100644
--- a/MdeModulePkg/Universal/SmbiosDxe/SmbiosDxe.c
+++ b/MdeModulePkg/Universal/SmbiosDxe/SmbiosDxe.c
@@ -1072,14 +1072,18 @@ SmbiosCreateTable (
DEBUG ((DEBUG_INFO, "SmbiosCreateTable: Initialize 32-bit entry point structure\n"));
EntryPointStructureData.MajorVersion = mPrivateData.Smbios.MajorVersion;
EntryPointStructureData.MinorVersion = mPrivateData.Smbios.MinorVersion;
- EntryPointStructureData.SmbiosBcdRevision = (UINT8)((PcdGet16 (PcdSmbiosVersion) >> 4) & 0xf0) | (UINT8)(PcdGet16 (PcdSmbiosVersion) & 0x0f);
- PhysicalAddress = 0xffffffff;
- Status = gBS->AllocatePages (
- AllocateMaxAddress,
- EfiRuntimeServicesData,
- EFI_SIZE_TO_PAGES (sizeof (SMBIOS_TABLE_ENTRY_POINT)),
- &PhysicalAddress
- );
+ EntryPointStructureData.SmbiosBcdRevision = 0;
+ if ((mPrivateData.Smbios.MajorVersion <= 9) && (mPrivateData.Smbios.MinorVersion <= 9)) {
+ EntryPointStructureData.SmbiosBcdRevision = ((mPrivateData.Smbios.MajorVersion & 0x0f) << 4) | (mPrivateData.Smbios.MinorVersion & 0x0f);
+ }
+
+ PhysicalAddress = 0xffffffff;
+ Status = gBS->AllocatePages (
+ AllocateMaxAddress,
+ EfiRuntimeServicesData,
+ EFI_SIZE_TO_PAGES (sizeof (SMBIOS_TABLE_ENTRY_POINT)),
+ &PhysicalAddress
+ );
if (EFI_ERROR (Status)) {
DEBUG ((DEBUG_ERROR, "SmbiosCreateTable () could not allocate EntryPointStructure < 4GB\n"));
Status = gBS->AllocatePages (
--
2.31.1.windows.1
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-----Original Message-----
From: Lien, HoraceX <horacex.lien@intel.com>
Sent: Monday, September 25, 2023 10:07 AM
To: devel@edk2.groups.io
Cc: Lien, HoraceX <horacex.lien@intel.com>; Liu, Zhiguang <zhiguang.liu@intel.com>; Guo, Gua <gua.guo@intel.com>; Bi, Dandan <dandan.bi@intel.com>; Kinney, Michael D <michael.d.kinney@intel.com>; Zeng, Star <star.zeng@intel.com>; Gao, Zhichao <zhichao.gao@intel.com>
Subject: [PATCH v2] MdeModulePkg/SmbiosDxe: Fix BcdRevision is not match with SMBIOS version
From: HoraceX Lien <horacex.lien@intel.com>
REF: https://bugzilla.tianocore.org/show_bug.cgi?id=4544
These value of Major/Minor version are updated from SMBIOS memory data, but BCD Revision is updated from PCD PcdSmbiosVersion.
We should also update BCD Revision from SMBIOS memory data, to ensure that get consistent version value.
Cc: Zhiguang Liu <zhiguang.liu@intel.com>
Reviewed-by: Gua Guo <gua.guo@intel.com>
Reviewed-by: Dandan Bi <dandan.bi@intel.com>
Reviewed-by: Michael D Kinney <michael.d.kinney@intel.com>
Cc: Star Zeng <star.zeng@intel.com>
Cc: Zhichao Gao <zhichao.gao@intel.com>
Signed-off-by: HoraceX Lien <horacex.lien@intel.com>
---
MdeModulePkg/Universal/SmbiosDxe/SmbiosDxe.c | 20 ++++++++++++--------
1 file changed, 12 insertions(+), 8 deletions(-)
diff --git a/MdeModulePkg/Universal/SmbiosDxe/SmbiosDxe.c b/MdeModulePkg/Universal/SmbiosDxe/SmbiosDxe.c
index 1a86e69d3c..2ef7b8e21c 100644
--- a/MdeModulePkg/Universal/SmbiosDxe/SmbiosDxe.c
+++ b/MdeModulePkg/Universal/SmbiosDxe/SmbiosDxe.c
@@ -1072,14 +1072,18 @@ SmbiosCreateTable (
DEBUG ((DEBUG_INFO, "SmbiosCreateTable: Initialize 32-bit entry point structure\n"));
EntryPointStructureData.MajorVersion = mPrivateData.Smbios.MajorVersion;
EntryPointStructureData.MinorVersion = mPrivateData.Smbios.MinorVersion;
- EntryPointStructureData.SmbiosBcdRevision = (UINT8)((PcdGet16 (PcdSmbiosVersion) >> 4) & 0xf0) | (UINT8)(PcdGet16 (PcdSmbiosVersion) & 0x0f);
- PhysicalAddress = 0xffffffff;
- Status = gBS->AllocatePages (
- AllocateMaxAddress,
- EfiRuntimeServicesData,
- EFI_SIZE_TO_PAGES (sizeof (SMBIOS_TABLE_ENTRY_POINT)),
- &PhysicalAddress
- );
+ EntryPointStructureData.SmbiosBcdRevision = 0;
+ if ((mPrivateData.Smbios.MajorVersion <= 9) &&
+ (mPrivateData.Smbios.MinorVersion <= 9)) {
+ EntryPointStructureData.SmbiosBcdRevision =
+ ((mPrivateData.Smbios.MajorVersion & 0x0f) << 4) |
+ (mPrivateData.Smbios.MinorVersion & 0x0f);
+ }
+
+ PhysicalAddress = 0xffffffff;
+ Status = gBS->AllocatePages (
+ AllocateMaxAddress,
+ EfiRuntimeServicesData,
+ EFI_SIZE_TO_PAGES (sizeof
+ (SMBIOS_TABLE_ENTRY_POINT)),
+ &PhysicalAddress
+ );
if (EFI_ERROR (Status)) {
DEBUG ((DEBUG_ERROR, "SmbiosCreateTable () could not allocate EntryPointStructure < 4GB\n"));
Status = gBS->AllocatePages (
--
2.31.1.windows.1
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