diff options
| author | jljusten <jljusten@6f19259b-4bc3-4df7-8a09-765794883524> | 2009-05-27 21:10:18 +0000 |
|---|---|---|
| committer | jljusten <jljusten@6f19259b-4bc3-4df7-8a09-765794883524> | 2009-05-27 21:10:18 +0000 |
| commit | 49ba9447c92d6fca214476381107a180d08e59d1 (patch) | |
| tree | 08bcd066ffa49329f29457b36f6ed328d9b1112f /OvmfPkg/PlatformPei | |
| parent | a1f11f7547b43a6b86f6925cb8ab3f836b2d5dae (diff) | |
| download | edk2-49ba9447c92d6fca214476381107a180d08e59d1.tar.gz edk2-49ba9447c92d6fca214476381107a180d08e59d1.tar.bz2 edk2-49ba9447c92d6fca214476381107a180d08e59d1.zip | |
Add initial version of Open Virtual Machine Firmware (OVMF) platform.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@8398 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'OvmfPkg/PlatformPei')
| -rw-r--r-- | OvmfPkg/PlatformPei/Cmos.c | 64 | ||||
| -rw-r--r-- | OvmfPkg/PlatformPei/Cmos.h | 56 | ||||
| -rw-r--r-- | OvmfPkg/PlatformPei/Fv.c | 61 | ||||
| -rw-r--r-- | OvmfPkg/PlatformPei/MemDetect.c | 100 | ||||
| -rw-r--r-- | OvmfPkg/PlatformPei/Platform.c | 188 | ||||
| -rw-r--r-- | OvmfPkg/PlatformPei/Platform.h | 52 | ||||
| -rw-r--r-- | OvmfPkg/PlatformPei/PlatformPei.inf | 70 |
7 files changed, 591 insertions, 0 deletions
diff --git a/OvmfPkg/PlatformPei/Cmos.c b/OvmfPkg/PlatformPei/Cmos.c new file mode 100644 index 0000000000..92df4a77e6 --- /dev/null +++ b/OvmfPkg/PlatformPei/Cmos.c @@ -0,0 +1,64 @@ +/** @file
+ PC/AT CMOS access routines
+
+ Copyright (c) 2006 - 2009, Intel Corporation<BR>
+ 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.
+
+**/
+
+
+#include "Cmos.h"
+#include "Library/IoLib.h"
+
+/**
+ Reads 8-bits of CMOS data.
+
+ Reads the 8-bits of CMOS data at the location specified by Index.
+ The 8-bit read value is returned.
+
+ @param Index The CMOS location to read.
+
+ @return The value read.
+
+**/
+UINT8
+EFIAPI
+CmosRead8 (
+ IN UINTN Index
+ )
+{
+ IoWrite8 (0x70, (UINT8) Index);
+ return IoRead8 (0x71);
+}
+
+
+/**
+ Writes 8-bits of CMOS data.
+
+ Writes 8-bits of CMOS data to the location specified by Index
+ with the value specified by Value and returns Value.
+
+ @param Index The CMOS location to write.
+ @param Value The value to write to CMOS.
+
+ @return The value written to CMOS.
+
+**/
+UINT8
+EFIAPI
+CmosWrite8 (
+ IN UINTN Index,
+ IN UINT8 Value
+ )
+{
+ IoWrite8 (0x70, (UINT8) Index);
+ IoWrite8 (0x71, Value);
+ return Value;
+}
+
diff --git a/OvmfPkg/PlatformPei/Cmos.h b/OvmfPkg/PlatformPei/Cmos.h new file mode 100644 index 0000000000..71dd9fdd57 --- /dev/null +++ b/OvmfPkg/PlatformPei/Cmos.h @@ -0,0 +1,56 @@ +/** @file
+ PC/AT CMOS access routines
+
+ Copyright (c) 2006 - 2009, Intel Corporation<BR>
+ 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.
+
+**/
+
+#ifndef __CMOS_H__
+#define __CMOS_H__
+
+/**
+ Reads 8-bits of CMOS data.
+
+ Reads the 8-bits of CMOS data at the location specified by Index.
+ The 8-bit read value is returned.
+
+ @param Index The CMOS location to read.
+
+ @return The value read.
+
+**/
+UINT8
+EFIAPI
+CmosRead8 (
+ IN UINTN Index
+ );
+
+/**
+ Writes 8-bits of CMOS data.
+
+ Writes 8-bits of CMOS data to the location specified by Index
+ with the value specified by Value and returns Value.
+
+ @param Index The CMOS location to write.
+ @param Value The value to write to CMOS.
+
+ @return The value written to CMOS.
+
+**/
+UINT8
+EFIAPI
+CmosWrite8 (
+ IN UINTN Index,
+ IN UINT8 Value
+ );
+
+
+#endif
+
diff --git a/OvmfPkg/PlatformPei/Fv.c b/OvmfPkg/PlatformPei/Fv.c new file mode 100644 index 0000000000..7ae35237b2 --- /dev/null +++ b/OvmfPkg/PlatformPei/Fv.c @@ -0,0 +1,61 @@ +/** @file
+ Build FV related hobs for platform.
+
+ 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.
+
+**/
+
+#include "PiPei.h"
+#include <Library/DebugLib.h>
+#include <Library/PeimEntryPoint.h>
+#include <Library/HobLib.h>
+#include <Library/PeiServicesLib.h>
+#include <Library/PeiServicesTablePointerLib.h>
+#include <Library/PcdLib.h>
+
+
+/**
+ Perform a call-back into the SEC simulator to get address of the Firmware Hub
+
+ @param FfsHeader Ffs Header availible to every PEIM
+ @param PeiServices General purpose services available to every PEIM.
+
+ @retval EFI_SUCCESS Platform PEI FVs were initialized successfully.
+
+**/
+EFI_STATUS
+PeiFvInitialization (
+ VOID
+ )
+{
+ EFI_PHYSICAL_ADDRESS FdBase;
+
+ DEBUG ((EFI_D_ERROR, "Platform PEI Firmware Volume Initialization\n"));
+
+ DEBUG (
+ (EFI_D_ERROR, "Firmware Volume HOB: 0x%x 0x%x\n",
+ PcdGet32 (PcdOvmfFlashFvRecoveryBase),
+ PcdGet32 (PcdOvmfFlashFvRecoverySize)
+ )
+ );
+
+ FdBase = PcdGet32 (PcdOvmfFlashFvRecoveryBase) - PcdGet32 (PcdVariableStoreSize) - PcdGet32 (PcdFlashNvStorageFtwSpareSize);
+ BuildFvHob (PcdGet32 (PcdOvmfFlashFvRecoveryBase), PcdGet32 (PcdOvmfFlashFvRecoverySize));
+
+ BuildResourceDescriptorHob (
+ EFI_RESOURCE_FIRMWARE_DEVICE,
+ (EFI_RESOURCE_ATTRIBUTE_PRESENT | EFI_RESOURCE_ATTRIBUTE_INITIALIZED | EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE),
+ FdBase,
+ PcdGet32 (PcdOvmfFirmwareFdSize)
+ );
+
+ return EFI_SUCCESS;
+}
+
diff --git a/OvmfPkg/PlatformPei/MemDetect.c b/OvmfPkg/PlatformPei/MemDetect.c new file mode 100644 index 0000000000..daa83a0014 --- /dev/null +++ b/OvmfPkg/PlatformPei/MemDetect.c @@ -0,0 +1,100 @@ +/**@file
+ Memory Detection for Virtual Machines.
+
+ 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.
+
+Module Name:
+
+ MemDetect.c
+
+**/
+
+//
+// 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/PeimEntryPoint.h>
+#include <Library/ResourcePublicationLib.h>
+
+#include "Platform.h"
+#include "Cmos.h"
+
+STATIC
+UINTN
+GetSystemMemorySize (
+ )
+{
+ UINT8 Cmos0x34;
+ UINT8 Cmos0x35;
+
+ //
+ // CMOS 0x34/0x35 specifies the system memory above 16 MB.
+ // * CMOS(0x35) is the high byte
+ // * CMOS(0x34) is the low byte
+ // * The size is specified in 64kb chunks
+ // * Since this is memory above 16MB, the 16MB must be added
+ // into the calculation to get the total memory size.
+ //
+
+ Cmos0x34 = (UINT8) CmosRead8 (0x34);
+ Cmos0x35 = (UINT8) CmosRead8 (0x35);
+
+ return ((((Cmos0x35 << 8) + Cmos0x34) << 16) + SIZE_16MB);
+}
+
+
+/**
+ Peform Memory Detection
+
+ @return EFI_SUCCESS The PEIM initialized successfully.
+
+**/
+EFI_STATUS
+MemDetect (
+ )
+{
+ EFI_STATUS Status;
+ EFI_PHYSICAL_ADDRESS MemoryBase;
+ UINT64 MemorySize;
+ UINT64 TotalMemorySize;
+
+ DEBUG ((EFI_D_ERROR, "MemDetect called\n"));
+
+ //
+ // Determine total memory size available
+ //
+ TotalMemorySize = (UINT64)GetSystemMemorySize ();
+
+ MemoryBase = 0x800000;
+ MemorySize = TotalMemorySize - MemoryBase - 0x100000;
+
+ //
+ // Publish this memory to the PEI Core
+ //
+ Status = PublishSystemMemory(MemoryBase, MemorySize);
+ ASSERT_EFI_ERROR (Status);
+
+ //
+ // Create memory HOBs
+ //
+ AddMemoryBaseSizeHob (MemoryBase, MemorySize);
+ AddMemoryRangeHob (0x100000, 0x800000);
+ AddMemoryRangeHob (0x000000, 0x0A0000);
+
+ return EFI_SUCCESS;
+}
+
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;
+}
+
diff --git a/OvmfPkg/PlatformPei/Platform.h b/OvmfPkg/PlatformPei/Platform.h new file mode 100644 index 0000000000..423dd844fb --- /dev/null +++ b/OvmfPkg/PlatformPei/Platform.h @@ -0,0 +1,52 @@ +/** @file
+ Platform PEI module include file.
+
+ Copyright (c) 2006 - 2007, 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.
+
+**/
+
+#ifndef _PLATFORM_PEI_H_INCLUDED_
+#define _PLATFORM_PEI_H_INCLUDED_
+
+VOID
+AddIoMemoryBaseSizeHob (
+ EFI_PHYSICAL_ADDRESS MemoryBase,
+ UINT64 MemorySize
+ );
+
+VOID
+AddIoMemoryRangeHob (
+ EFI_PHYSICAL_ADDRESS MemoryBase,
+ EFI_PHYSICAL_ADDRESS MemoryLimit
+ );
+
+VOID
+AddMemoryBaseSizeHob (
+ EFI_PHYSICAL_ADDRESS MemoryBase,
+ UINT64 MemorySize
+ );
+
+VOID
+AddMemoryRangeHob (
+ EFI_PHYSICAL_ADDRESS MemoryBase,
+ EFI_PHYSICAL_ADDRESS MemoryLimit
+ );
+
+EFI_STATUS
+MemDetect (
+ VOID
+ );
+
+EFI_STATUS
+PeiFvInitialization (
+ VOID
+ );
+
+#endif // _PLATFORM_PEI_H_INCLUDED_
diff --git a/OvmfPkg/PlatformPei/PlatformPei.inf b/OvmfPkg/PlatformPei/PlatformPei.inf new file mode 100644 index 0000000000..c52538fe4e --- /dev/null +++ b/OvmfPkg/PlatformPei/PlatformPei.inf @@ -0,0 +1,70 @@ +#/** @file
+# Platform PEI driver
+#
+# This module provides platform specific function to detect boot mode.
+# 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.
+#
+#**/
+
+[Defines]
+ INF_VERSION = 0x00010005
+ BASE_NAME = PlatformPei
+ FILE_GUID = 222c386d-5abc-4fb4-b124-fbb82488acf4
+ MODULE_TYPE = PEIM
+ VERSION_STRING = 1.0
+ EDK_RELEASE_VERSION = 0x00020000
+ EFI_SPECIFICATION_VERSION = 0x00020000
+
+ ENTRY_POINT = InitializePlatform
+
+#
+# The following information is for reference only and not required by the build tools.
+#
+# VALID_ARCHITECTURES = IA32 X64 IPF EBC
+#
+
+[Sources.common]
+ Cmos.c
+ Fv.c
+ MemDetect.c
+ Platform.c
+
+[Packages]
+ MdePkg/MdePkg.dec
+ MdeModulePkg/MdeModulePkg.dec
+ OvmfPkg/OvmfPkg.dec
+
+[Guids]
+ gEfiMemoryTypeInformationGuid
+
+[LibraryClasses]
+ DebugLib
+ HobLib
+ IoLib
+ PeiResourcePublicationLib
+ PeiServicesTablePointerLib
+ PeimEntryPoint
+
+[FixedPcd.common]
+ gUefiOvmfPkgTokenSpaceGuid.PcdOvmfFlashFvRecoveryBase
+ gUefiOvmfPkgTokenSpaceGuid.PcdOvmfFlashFvRecoverySize
+ gUefiOvmfPkgTokenSpaceGuid.PcdOvmfFlashNvStorageVariableBase
+ gUefiOvmfPkgTokenSpaceGuid.PcdOvmfFirmwareFdSize
+ gEfiMdeModulePkgTokenSpaceGuid.PcdVariableStoreSize
+ gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageFtwSpareSize
+ gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageVariableSize
+
+[Pcd.common]
+ gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageFtwSpareBase
+
+[Depex]
+ TRUE
+
|