OvmfPkg/PlatformPei: Set PcdPciDisableBusEnumeration in InitializeXen

[mirror_edk2.git] / OvmfPkg / PlatformPei / Platform.c

diff --git a/OvmfPkg/PlatformPei/Platform.c b/OvmfPkg/PlatformPei/Platform.c
index fb56e999ef34ad92ecaba8b9bcf1d7e350cbb300..d4df0c60e7895fc92889bdaedc75b88641389d48 100644 (file)
--- a/OvmfPkg/PlatformPei/Platform.c
+++ b/OvmfPkg/PlatformPei/Platform.c
@@ -1,7 +1,7 @@
 /**@file\r
   Platform PEI driver\r
 \r
-  Copyright (c) 2006 - 2011, Intel Corporation. All rights reserved.<BR>\r
+  Copyright (c) 2006 - 2014, Intel Corporation. All rights reserved.<BR>\r
   Copyright (c) 2011, Andrei Warkentin <andreiw@motorola.com>\r
 \r
   This program and the accompanying materials\r
@@ -163,6 +163,39 @@ AddUntestedMemoryRangeHob (
   AddUntestedMemoryBaseSizeHob (MemoryBase, (UINT64)(MemoryLimit - MemoryBase));\r
 }\r
 \r
+VOID\r
+XenMemMapInitialization (\r
+  VOID\r
+  )\r
+{\r
+  //\r
+  // Create Memory Type Information HOB\r
+  //\r
+  BuildGuidDataHob (\r
+    &gEfiMemoryTypeInformationGuid,\r
+    mDefaultMemoryTypeInformation,\r
+    sizeof(mDefaultMemoryTypeInformation)\r
+    );\r
+\r
+  //\r
+  // Add PCI IO Port space available for PCI resource allocations.\r
+  //\r
+  BuildResourceDescriptorHob (\r
+    EFI_RESOURCE_IO,\r
+    EFI_RESOURCE_ATTRIBUTE_PRESENT     |\r
+    EFI_RESOURCE_ATTRIBUTE_INITIALIZED,\r
+    0xC000,\r
+    0x4000\r
+    );\r
+\r
+  //\r
+  // Video memory + Legacy BIOS region\r
+  //\r
+  AddIoMemoryRangeHob (0x0A0000, BASE_1MB);\r
+\r
+  XenPublishRamRegions ();\r
+}\r
+\r
 \r
 VOID\r
 MemMapInitialization (\r
@@ -339,23 +372,38 @@ InitializePlatform (
 {\r
   EFI_PHYSICAL_ADDRESS  TopOfMemory;\r
 \r
+  TopOfMemory = 0;\r
+\r
   DEBUG ((EFI_D_ERROR, "Platform PEIM Loaded\n"));\r
 \r
   DebugDumpCmos ();\r
 \r
-  TopOfMemory = MemDetect ();\r
+  XenDetect ();\r
+\r
+  BootModeInitialization ();\r
+\r
+  PublishPeiMemory ();\r
+\r
+  if (!mXen) {\r
+    TopOfMemory = MemDetect ();\r
+  }\r
 \r
-  InitializeXen ();\r
+  if (mXen) {\r
+    DEBUG ((EFI_D_INFO, "Xen was detected\n"));\r
+    InitializeXen ();\r
+  }\r
 \r
   ReserveEmuVariableNvStore ();\r
 \r
   PeiFvInitialization ();\r
 \r
-  MemMapInitialization (TopOfMemory);\r
+  if (mXen) {\r
+    XenMemMapInitialization ();\r
+  } else {\r
+    MemMapInitialization (TopOfMemory);\r
+  }\r
 \r
   MiscInitialization ();\r
 \r
-  BootModeInitialization ();\r
-\r
   return EFI_SUCCESS;\r
 }\r