X-Git-Url: https://git.proxmox.com/?p=mirror_edk2.git;a=blobdiff_plain;f=EdkModulePkg%2FCore%2FDxeIplPeim%2FIa32%2FVirtualMemory.c;h=89b18c36f8cf9e9d09b0fdcfa466501433a778b3;hp=609fea2eca629a4ebe0bd26fb64d39e22559b7dd;hb=5d10269c06d0d0f8f0982c90679c1f437c9909b5;hpb=8d8daecb5435d879c1b1244d51876f37359759a3

diff --git a/EdkModulePkg/Core/DxeIplPeim/Ia32/VirtualMemory.c b/EdkModulePkg/Core/DxeIplPeim/Ia32/VirtualMemory.c
index 609fea2eca..89b18c36f8 100644
--- a/EdkModulePkg/Core/DxeIplPeim/Ia32/VirtualMemory.c
+++ b/EdkModulePkg/Core/DxeIplPeim/Ia32/VirtualMemory.c
@@ -57,7 +57,6 @@ Returns:
 
 --*/
 {  
-  UINT32                                        RegEax;
   UINT8                                         PhysicalAddressBits;
   EFI_PHYSICAL_ADDRESS                          PageAddress;
   UINTN                                         IndexOfPml4Entries;
@@ -71,16 +70,16 @@ Returns:
   PAGE_TABLE_ENTRY                              *PageDirectoryEntry;
   UINTN                                         TotalPagesNum;
   UINTN                                         BigPageAddress;
+  VOID                                          *Hob;
 
   //
-  // Get physical address bits supported.
+  // Get physical address bits supported from CPU HOB.
   //
-  AsmCpuid (0x80000000, &RegEax, NULL, NULL, NULL);
-  if (RegEax >= 0x80000008) {
-    AsmCpuid (0x80000008, &RegEax, NULL, NULL, NULL);
-    PhysicalAddressBits = (UINT8) RegEax;
-  } else {
-    PhysicalAddressBits = 36;
+  PhysicalAddressBits = 36;
+  
+  Hob = GetFirstHob (EFI_HOB_TYPE_CPU);
+  if (Hob != NULL) {
+    PhysicalAddressBits = ((EFI_HOB_CPU *) Hob)->SizeOfMemorySpace;    
   }
 
   //