From: jyao1 <jyao1@6f19259b-4bc3-4df7-8a09-765794883524>
Date: Fri, 16 Jul 2010 04:31:02 +0000 (+0000)
Subject: Enhance to follow UEFI2.3 spec - the EFI_ACPI_TABLE_PROTOCOL will ensure that the... 
X-Git-Tag: edk2-stable201903~15692
X-Git-Url: https://git.proxmox.com/?p=mirror_edk2.git;a=commitdiff_plain;h=4196f91ec0e615ecbddd2fc267a39fd7f3c59b91

Enhance to follow UEFI2.3 spec - the EFI_ACPI_TABLE_PROTOCOL will ensure that the checksum field is correct for both the RSDT/XSDT table and the table being installed through the AcpiTableBuffer parameter.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@10655 6f19259b-4bc3-4df7-8a09-765794883524
---

diff --git a/MdeModulePkg/Universal/Acpi/AcpiTableDxe/AcpiTableProtocol.c b/MdeModulePkg/Universal/Acpi/AcpiTableDxe/AcpiTableProtocol.c
index c551d0bd5d..cb3dc89948 100644
--- a/MdeModulePkg/Universal/Acpi/AcpiTableDxe/AcpiTableProtocol.c
+++ b/MdeModulePkg/Universal/Acpi/AcpiTableDxe/AcpiTableProtocol.c
@@ -330,7 +330,13 @@ InstallAcpiTable (
 
   Length   = ((EFI_ACPI_COMMON_HEADER *) AcpiTableBuffer)->Length;
   Checksum = CalculateCheckSum8 ((UINT8 *)AcpiTableBuffer, Length);
-  ASSERT (Checksum == 0);
+  if (Checksum != 0) {
+    AcpiPlatformChecksum (
+      (VOID *)AcpiTableBuffer,
+      (UINTN)Length,
+      OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER, Checksum)
+      );
+  }
 
   //
   // Get the instance of the ACPI table protocol