1 files changed, 1 insertions, 40 deletions
diff --git a/OvmfPkg/PlatformPei/Platform.c b/OvmfPkg/PlatformPei/Platform.c
index 6166226481..743044d29e 100644
--- a/OvmfPkg/PlatformPei/Platform.c
+++ b/OvmfPkg/PlatformPei/Platform.c
@@ -34,10 +34,6 @@
 #include <Guid/MemoryTypeInformation.h>
 #include <Ppi/MasterBootMode.h>
 #include <IndustryStandard/Pci22.h>
-#include <Guid/XenInfo.h>
-#include <IndustryStandard/E820.h>
-#include <Library/ResourcePublicationLib.h>
-#include <Library/MtrrLib.h>
 
 #include "Platform.h"
 #include "Cmos.h"
@@ -172,12 +168,6 @@ XenMemMapInitialization (
   VOID
   )
 {
-  EFI_E820_ENTRY64 *E820Map;
-  UINT32 E820EntriesCount;
-  EFI_STATUS Status;
-
-  DEBUG ((EFI_D_INFO, "Using memory map provided by Xen\n"));
-
   //
   // Create Memory Type Information HOB
   //
@@ -203,36 +193,7 @@ XenMemMapInitialization (
   //
   AddIoMemoryRangeHob (0x0A0000, BASE_1MB);
 
-  //
-  // Parse RAM in E820 map
-  //
-  Status = XenGetE820Map(&E820Map, &E820EntriesCount);
-
-  ASSERT_EFI_ERROR (Status);
-
-  if (E820EntriesCount > 0) {
-    EFI_E820_ENTRY64 *Entry;
-    UINT32 Loop;
-
-    for (Loop = 0; Loop < E820EntriesCount; Loop++) {
-      Entry = E820Map + Loop;
-
-      //
-      // Only care about RAM
-      //
-      if (Entry->Type != EfiAcpiAddressRangeMemory) {
-        continue;
-      }
-
-      if (Entry->BaseAddr >= BASE_4GB) {
-        AddUntestedMemoryBaseSizeHob (Entry->BaseAddr, Entry->Length);
-      } else {
-        AddMemoryBaseSizeHob (Entry->BaseAddr, Entry->Length);
-      }
-
-      MtrrSetMemoryAttribute (Entry->BaseAddr, Entry->Length, CacheWriteBack);
-    }
-  }
+  XenPublishRamRegions ();
 }