1 files changed, 188 insertions, 0 deletions
diff --git a/OvmfPkg/PlatformPei/Platform.c b/OvmfPkg/PlatformPei/Platform.c
new file mode 100644
index 0000000000..2219ebb7ee
--- /dev/null
+++ b/OvmfPkg/PlatformPei/Platform.c
@@ -0,0 +1,188 @@
+/**@file
+  Platform PEI driver
+
+  Copyright (c) 2006 - 2009, Intel Corporation
+  All rights reserved. This program and the accompanying materials
+  are licensed and made available under the terms and conditions of the BSD License
+  which accompanies this distribution.  The full text of the license may be found at
+  http://opensource.org/licenses/bsd-license.php
+
+  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+**/
+
+//
+// The package level header files this module uses
+//
+#include <PiPei.h>
+
+//
+// The Library classes this module consumes
+//
+#include <Library/DebugLib.h>
+#include <Library/HobLib.h>
+#include <Library/IoLib.h>
+#include <Library/PciLib.h>
+#include <Library/PeimEntryPoint.h>
+#include <Library/ResourcePublicationLib.h>
+#include <Guid/MemoryTypeInformation.h>
+
+#include "Platform.h"
+
+EFI_MEMORY_TYPE_INFORMATION mDefaultMemoryTypeInformation[] = {
+  { EfiACPIMemoryNVS,       0x004 },
+  { EfiACPIReclaimMemory,   0x01C },
+  { EfiRuntimeServicesData, 0x050 },
+  { EfiRuntimeServicesCode, 0x020 },
+  { EfiBootServicesCode,    0x0F0 },
+  { EfiBootServicesData,    0xA00 },
+  { EfiMaxMemoryType,       0x000 }
+};
+
+
+VOID
+AddIoMemoryBaseSizeHob (
+  EFI_PHYSICAL_ADDRESS        MemoryBase,
+  UINT64                      MemorySize
+  )
+{
+  STATIC EFI_RESOURCE_ATTRIBUTE_TYPE Attributes =
+    (
+      EFI_RESOURCE_ATTRIBUTE_PRESENT     |
+      EFI_RESOURCE_ATTRIBUTE_INITIALIZED |
+      EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE |
+      EFI_RESOURCE_ATTRIBUTE_TESTED
+    );
+
+  BuildResourceDescriptorHob (
+    EFI_RESOURCE_MEMORY_MAPPED_IO,
+    Attributes,
+    MemoryBase,
+    MemorySize
+    );
+}
+
+
+VOID
+AddIoMemoryRangeHob (
+  EFI_PHYSICAL_ADDRESS        MemoryBase,
+  EFI_PHYSICAL_ADDRESS        MemoryLimit
+  )
+{
+  AddIoMemoryBaseSizeHob (MemoryBase, (UINT64)(MemoryLimit - MemoryBase));
+}
+
+
+VOID
+AddMemoryBaseSizeHob (
+  EFI_PHYSICAL_ADDRESS        MemoryBase,
+  UINT64                      MemorySize
+  )
+{
+  STATIC EFI_RESOURCE_ATTRIBUTE_TYPE Attributes =
+    (
+      EFI_RESOURCE_ATTRIBUTE_PRESENT |
+      EFI_RESOURCE_ATTRIBUTE_INITIALIZED |
+      EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE |
+      EFI_RESOURCE_ATTRIBUTE_WRITE_COMBINEABLE |
+      EFI_RESOURCE_ATTRIBUTE_WRITE_THROUGH_CACHEABLE |
+      EFI_RESOURCE_ATTRIBUTE_WRITE_BACK_CACHEABLE |
+      EFI_RESOURCE_ATTRIBUTE_TESTED
+    );
+
+  BuildResourceDescriptorHob (
+    EFI_RESOURCE_SYSTEM_MEMORY,
+    Attributes,
+    MemoryBase,
+    MemorySize
+    );
+}
+
+
+VOID
+AddMemoryRangeHob (
+  EFI_PHYSICAL_ADDRESS        MemoryBase,
+  EFI_PHYSICAL_ADDRESS        MemoryLimit
+  )
+{
+  AddMemoryBaseSizeHob (MemoryBase, (UINT64)(MemoryLimit - MemoryBase));
+}
+
+
+VOID
+MemMapInitialization (
+  )
+{
+  //
+  // Create Memory Type Information HOB
+  //
+  BuildGuidDataHob (
+    &gEfiMemoryTypeInformationGuid,
+    mDefaultMemoryTypeInformation,
+    sizeof(mDefaultMemoryTypeInformation)
+    );
+
+  //
+  // Local APIC range
+  //
+  AddIoMemoryBaseSizeHob (0xFEC80000, 0x80000);
+
+  //
+  // I/O APIC range
+  //
+  AddIoMemoryBaseSizeHob (0xFEC00000, 0x80000);
+
+  //
+  // Video memory + Legacy BIOS region
+  //
+  AddMemoryRangeHob (0x0A0000, 0x0B0000);
+  AddIoMemoryRangeHob (0x0B0000, 0x100000);
+}
+
+
+VOID
+MiscInitialization (
+  )
+{
+  //
+  // Disable A20 Mask
+  //
+  IoWrite8 (0x92, (UINT8) (IoRead8 (0x92) | 0x02));
+
+  //
+  // Build the CPU hob with 36-bit addressing and 16-bits of IO space.
+  //
+  BuildCpuHob (36, 16);
+}
+
+
+/**
+  Perform Platform PEI initialization.
+
+  @param  FileHandle      Handle of the file being invoked.
+  @param  PeiServices     Describes the list of possible PEI Services.
+
+  @return EFI_SUCCESS     The PEIM initialized successfully.
+
+**/
+EFI_STATUS
+EFIAPI
+InitializePlatform (
+  IN       EFI_PEI_FILE_HANDLE  FileHandle,
+  IN CONST EFI_PEI_SERVICES     **PeiServices
+  )
+{
+  DEBUG ((EFI_D_ERROR, "Platform PEIM Loaded\n"));
+
+  MemDetect ();
+
+  PeiFvInitialization ();
+
+  MemMapInitialization ();
+
+  MiscInitialization ();
+
+  return EFI_SUCCESS;
+}
+