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Unix version of EFI emulator

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git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@2182 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
tgingold
2007-01-06 14:59:06 +00:00
parent 8ba7afaf2e
commit c9093a06e7
187 changed files with 54299 additions and 0 deletions
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132
EdkUnixPkg/Pei/AutoScan/UnixAutoScan.c Normal file
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/*++
Copyright (c) 2006, 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:
UnixAutoscan.c
Abstract:
This PEIM to abstract memory auto-scan in an Unix environment.
Revision History
--*/
EFI_STATUS
EFIAPI
PeimInitializeUnixAutoScan (
IN EFI_FFS_FILE_HEADER *FfsHeader,
IN EFI_PEI_SERVICES **PeiServices
)
/*++
Routine Description:
Perform a call-back into the SEC simulator to get a memory value
Arguments:
FfsHeader - General purpose data available to every PEIM
PeiServices - General purpose services available to every PEIM.
Returns:
None
--*/
{
EFI_STATUS Status;
EFI_PEI_PPI_DESCRIPTOR *PpiDescriptor;
PEI_UNIX_AUTOSCAN_PPI *PeiUnixService;
UINT64 MemorySize;
EFI_PHYSICAL_ADDRESS MemoryBase;
PEI_BASE_MEMORY_TEST_PPI *MemoryTestPpi;
EFI_PHYSICAL_ADDRESS ErrorAddress;
UINTN Index;
EFI_RESOURCE_ATTRIBUTE_TYPE Attributes;
DEBUG ((EFI_D_ERROR, "Unix Autoscan PEIM Loaded\n"));
//
// Get the PEI NT Autoscan PPI
//
Status = (**PeiServices).LocatePpi (
PeiServices,
&gPeiUnixAutoScanPpiGuid, // GUID
0, // INSTANCE
&PpiDescriptor, // EFI_PEI_PPI_DESCRIPTOR
(VOID **)&PeiUnixService // PPI
);
ASSERT_EFI_ERROR (Status);
//
// Get the Memory Test PPI
//
Status = (**PeiServices).LocatePpi (
PeiServices,
&gPeiBaseMemoryTestPpiGuid,
0,
NULL,
(VOID **)&MemoryTestPpi
);
ASSERT_EFI_ERROR (Status);
Index = 0;
do {
Status = PeiUnixService->UnixAutoScan (Index, &MemoryBase, &MemorySize);
if (!EFI_ERROR (Status)) {
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
);
if (Index == 0) {
//
// For the first area register it as PEI tested memory
//
Status = MemoryTestPpi->BaseMemoryTest (
PeiServices,
MemoryTestPpi,
MemoryBase,
MemorySize,
Quick,
&ErrorAddress
);
ASSERT_EFI_ERROR (Status);
//
// Register the "tested" memory with the PEI Core
//
Status = (**PeiServices).InstallPeiMemory (PeiServices, MemoryBase, MemorySize);
ASSERT_EFI_ERROR (Status);
Attributes |= EFI_RESOURCE_ATTRIBUTE_TESTED;
}
BuildResourceDescriptorHob (
EFI_RESOURCE_SYSTEM_MEMORY,
Attributes,
MemoryBase,
MemorySize
);
}
Index++;
} while (!EFI_ERROR (Status));
//
// Build the CPU hob with 36-bit addressing and 16-bits of IO space.
//
BuildCpuHob (36, 16);
return Status;
}

29
EdkUnixPkg/Pei/AutoScan/UnixAutoScan.dxs Normal file
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/*++
Copyright (c) 2006, 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:
UnixAutoscan.dxs
Abstract:
Dependency expression file for UnixAutoscan.
--*/
#include <AutoGen.h>
#include <PeimDepex.h>
DEPENDENCY_START
PEI_UNIX_AUTOSCAN_PPI_GUID AND EFI_PEI_MASTER_BOOT_MODE_PEIM_PPI AND PEI_BASE_MEMORY_TEST_GUID
DEPENDENCY_END

74
EdkUnixPkg/Pei/AutoScan/UnixAutoScan.msa Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<ModuleSurfaceArea xmlns="http://www.TianoCore.org/2006/Edk2.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<MsaHeader>
<ModuleName>UnixAutoScan</ModuleName>
<ModuleType>PEIM</ModuleType>
<GuidValue>f3f36cb0-8985-11db-b195-0040d02b1835</GuidValue>
<Version>1.0</Version>
<Abstract>Component description file for UnixAutoScan module</Abstract>
<Description>This module abstracts memory auto-scan in a Unix environment.</Description>
<Copyright>Copyright (c) 2006, Intel Corporation</Copyright>
<License>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.</License>
<Specification>FRAMEWORK_BUILD_PACKAGING_SPECIFICATION 0x00000052</Specification>
</MsaHeader>
<ModuleDefinitions>
<SupportedArchitectures>IA32 X64 IPF EBC</SupportedArchitectures>
<BinaryModule>false</BinaryModule>
<OutputFileBasename>UnixAutoScan</OutputFileBasename>
</ModuleDefinitions>
<LibraryClassDefinitions>
<LibraryClass Usage="ALWAYS_CONSUMED">
<Keyword>DebugLib</Keyword>
</LibraryClass>
<LibraryClass Usage="ALWAYS_CONSUMED">
<Keyword>PeimEntryPoint</Keyword>
</LibraryClass>
<LibraryClass Usage="ALWAYS_CONSUMED">
<Keyword>BaseLib</Keyword>
</LibraryClass>
<LibraryClass Usage="ALWAYS_CONSUMED">
<Keyword>BaseMemoryLib</Keyword>
</LibraryClass>
<LibraryClass Usage="ALWAYS_CONSUMED">
<Keyword>HobLib</Keyword>
</LibraryClass>
<LibraryClass Usage="ALWAYS_CONSUMED">
<Keyword>PeiServicesLib</Keyword>
</LibraryClass>
<LibraryClass Usage="ALWAYS_CONSUMED">
<Keyword>PeiServicesTablePointerLib</Keyword>
</LibraryClass>
</LibraryClassDefinitions>
<SourceFiles>
<Filename>UnixAutoScan.c</Filename>
<Filename>UnixAutoScan.dxs</Filename>
</SourceFiles>
<PackageDependencies>
<Package PackageGuid="5e0e9358-46b6-4ae2-8218-4ab8b9bbdcec"/>
<Package PackageGuid="68169ab0-d41b-4009-9060-292c253ac43d"/>
<Package PackageGuid="f2805c44-8985-11db-9e98-0040d02b1835"/>
</PackageDependencies>
<PPIs>
<Ppi Usage="ALWAYS_CONSUMED">
<PpiCName>gPeiUnixAutoScanPpiGuid</PpiCName>
</Ppi>
<Ppi Usage="ALWAYS_CONSUMED">
<PpiCName>gPeiBaseMemoryTestPpiGuid</PpiCName>
</Ppi>
<Ppi Usage="ALWAYS_PRODUCED">
<PpiCName>gEfiPeiMemoryDiscoveredPpiGuid</PpiCName>
</Ppi>
</PPIs>
<Externs>
<Specification>EFI_SPECIFICATION_VERSION 0x00020000</Specification>
<Specification>EDK_RELEASE_VERSION 0x00020000</Specification>
<Extern>
<ModuleEntryPoint>PeimInitializeUnixAutoScan</ModuleEntryPoint>
</Extern>
</Externs>
</ModuleSurfaceArea>

85
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/*++
Copyright (c) 2006, 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:
BootMode.c
Abstract:
Tiano PEIM to provide the platform support functionality within Windows
--*/
//
// Module globals
//
EFI_PEI_PPI_DESCRIPTOR mPpiListBootMode = {
(EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),
&gEfiPeiMasterBootModePpiGuid,
NULL
};
EFI_PEI_PPI_DESCRIPTOR mPpiListRecoveryBootMode = {
(EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),
&gEfiPeiBootInRecoveryModePpiGuid,
NULL
};
EFI_STATUS
EFIAPI
InitializeBootMode (
IN EFI_FFS_FILE_HEADER *FfsHeader,
IN EFI_PEI_SERVICES **PeiServices
)
/*++
Routine Description:
Peform the boot mode determination logic
Arguments:
PeiServices - General purpose services available to every PEIM.
Returns:
Status - EFI_SUCCESS if the boot mode could be set
--*/
// TODO: FfsHeader - add argument and description to function comment
{
EFI_STATUS Status;
UINTN BootMode;
DEBUG ((EFI_D_ERROR, "Unix Boot Mode PEIM Loaded\n"));
//
// Let's assume things are OK if not told otherwise
// Should we read an environment variable in order to easily change this?
//
BootMode = BOOT_WITH_FULL_CONFIGURATION;
Status = (**PeiServices).SetBootMode (PeiServices, (UINT8) BootMode);
ASSERT_EFI_ERROR (Status);
Status = (**PeiServices).InstallPpi (PeiServices, &mPpiListBootMode);
ASSERT_EFI_ERROR (Status);
if (BootMode == BOOT_IN_RECOVERY_MODE) {
Status = (**PeiServices).InstallPpi (PeiServices, &mPpiListRecoveryBootMode);
ASSERT_EFI_ERROR (Status);
}
return Status;
}

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EdkUnixPkg/Pei/BootMode/BootMode.dxs Normal file
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/*++
Copyright (c) 2006, 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:
BootMode.dxs
Abstract:
Dependency expression file for BootMode.
--*/
#include <AutoGen.h>
#include <PeimDepex.h>
DEPENDENCY_START
TRUE
DEPENDENCY_END

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EdkUnixPkg/Pei/BootMode/BootMode.msa Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<ModuleSurfaceArea xmlns="http://www.TianoCore.org/2006/Edk2.0">
<MsaHeader>
<ModuleName>BootMode</ModuleName>
<ModuleType>PEIM</ModuleType>
<GuidValue>f3ff9aee-8985-11db-b133-0040d02b1835</GuidValue>
<Version>1.0</Version>
<Abstract>Component description file for BootMode module</Abstract>
<Description>This module provides platform specific function to detect boot mode.</Description>
<Copyright>Copyright (c) 2006, Intel Corporation</Copyright>
<License>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.</License>
<Specification>FRAMEWORK_BUILD_PACKAGING_SPECIFICATION 0x00000052</Specification>
</MsaHeader>
<ModuleDefinitions>
<SupportedArchitectures>IA32 X64 IPF EBC</SupportedArchitectures>
<BinaryModule>false</BinaryModule>
<OutputFileBasename>BootMode</OutputFileBasename>
</ModuleDefinitions>
<LibraryClassDefinitions>
<LibraryClass Usage="ALWAYS_CONSUMED">
<Keyword>DebugLib</Keyword>
</LibraryClass>
<LibraryClass Usage="ALWAYS_CONSUMED">
<Keyword>PeimEntryPoint</Keyword>
</LibraryClass>
<LibraryClass Usage="ALWAYS_CONSUMED">
<Keyword>BaseLib</Keyword>
</LibraryClass>
<LibraryClass Usage="ALWAYS_CONSUMED">
<Keyword>PeiServicesLib</Keyword>
</LibraryClass>
<LibraryClass Usage="ALWAYS_CONSUMED">
<Keyword>PeiServicesTablePointerLib</Keyword>
</LibraryClass>
</LibraryClassDefinitions>
<SourceFiles>
<Filename>BootMode.c</Filename>
<Filename>BootMode.dxs</Filename>
</SourceFiles>
<PackageDependencies>
<Package PackageGuid="5e0e9358-46b6-4ae2-8218-4ab8b9bbdcec"/>
<Package PackageGuid="68169ab0-d41b-4009-9060-292c253ac43d"/>
<Package PackageGuid="f2805c44-8985-11db-9e98-0040d02b1835"/>
</PackageDependencies>
<PPIs>
<Ppi Usage="SOMETIMES_PRODUCED">
<PpiCName>gEfiPeiBootInRecoveryModePpiGuid</PpiCName>
</Ppi>
<Ppi Usage="ALWAYS_PRODUCED">
<PpiCName>gEfiPeiMasterBootModePpiGuid</PpiCName>
</Ppi>
</PPIs>
<Externs>
<Specification>EFI_SPECIFICATION_VERSION 0x00020000</Specification>
<Specification>EDK_RELEASE_VERSION 0x00020000</Specification>
<Extern>
<ModuleEntryPoint>InitializeBootMode</ModuleEntryPoint>
</Extern>
</Externs>
</ModuleSurfaceArea>

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EdkUnixPkg/Pei/FirmwareVolume/UnixFwh.c Normal file
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/*++
Copyright (c) 2006, 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:
UnixFwh.c
Abstract:
PEIM to abstract construction of firmware volume in an Unix environment.
Revision History
--*/
#include <FlashLayout.h>
EFI_STATUS
EFIAPI
PeimInitializeUnixFwh (
IN EFI_FFS_FILE_HEADER *FfsHeader,
IN EFI_PEI_SERVICES **PeiServices
)
/*++
Routine Description:
Perform a call-back into the SEC simulator to get address of the Firmware Hub
Arguments:
FfsHeader - Ffs Header availible to every PEIM
PeiServices - General purpose services available to every PEIM.
Returns:
None
--*/
{
EFI_STATUS Status;
EFI_PEI_PPI_DESCRIPTOR *PpiDescriptor;
UNIX_FWH_PPI *FwhPpi;
EFI_PHYSICAL_ADDRESS FdBase;
EFI_FIRMWARE_VOLUME_HEADER *FvHeader;
UINT64 FdSize;
UINTN Index;
DEBUG ((EFI_D_ERROR, "Unix Firmware Volume PEIM Loaded\n"));
//
// Get the Fwh Information PPI
//
Status = (**PeiServices).LocatePpi (
PeiServices,
&gUnixFwhPpiGuid, // GUID
0, // INSTANCE
&PpiDescriptor, // EFI_PEI_PPI_DESCRIPTOR
(VOID **)&FwhPpi // PPI
);
ASSERT_EFI_ERROR (Status);
Index = 0;
do {
//
// Get information about all the FD's in the system
//
Status = FwhPpi->UnixFwh (Index, &FdBase, &FdSize);
if (!EFI_ERROR (Status)) {
//
// Assume the FD starts with an FV header
//
FvHeader = (EFI_FIRMWARE_VOLUME_HEADER *) (UINTN) FdBase;
//
// Make an FV Hob for the first FV in the FD
//
BuildFvHob (FdBase, FvHeader->FvLength);
if (Index == 0) {
//
// Assume the first FD was produced by the NT32.DSC
// All these strange offests are needed to keep in
// sync with the FlashMap and NT32.dsc file
//
BuildResourceDescriptorHob (
EFI_RESOURCE_FIRMWARE_DEVICE,
(EFI_RESOURCE_ATTRIBUTE_PRESENT | EFI_RESOURCE_ATTRIBUTE_INITIALIZED | EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE),
FdBase,
(FvHeader->FvLength + EFI_WINNT_RUNTIME_UPDATABLE_LENGTH + EFI_WINNT_FTW_SPARE_BLOCK_LENGTH)
);
//
// Hard code the address of the spare block and variable services.
// Assume it's a hard coded offset from FV0 in FD0.
//
FdBase = FdBase + EFI_WINNT_RUNTIME_UPDATABLE_OFFSET;
FdSize = EFI_WINNT_RUNTIME_UPDATABLE_LENGTH + EFI_WINNT_FTW_SPARE_BLOCK_LENGTH;
BuildFvHob (FdBase, FdSize);
} else {
//
// For other FD's just map them in.
//
BuildResourceDescriptorHob (
EFI_RESOURCE_FIRMWARE_DEVICE,
(EFI_RESOURCE_ATTRIBUTE_PRESENT | EFI_RESOURCE_ATTRIBUTE_INITIALIZED | EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE),
FdBase,
FdSize
);
}
}
Index++;
} while (!EFI_ERROR (Status));
return Status;
}

29
EdkUnixPkg/Pei/FirmwareVolume/UnixFwh.dxs Normal file
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/*++
Copyright (c) 2006, 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:
UnixFwh.dxs
Abstract:
Dependency expression file for UnixFwh PEIM.
--*/
#include <AutoGen.h>
#include <PeimDepex.h>
DEPENDENCY_START
UNIX_FWH_PPI_GUID AND EFI_PEI_PERMANENT_MEMORY_INSTALLED_PPI_GUID
DEPENDENCY_END

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EdkUnixPkg/Pei/FirmwareVolume/UnixFwh.msa Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<ModuleSurfaceArea xmlns="http://www.TianoCore.org/2006/Edk2.0">
<MsaHeader>
<ModuleName>UnixFwh</ModuleName>
<ModuleType>PEIM</ModuleType>
<GuidValue>f40b7864-8985-11db-af21-0040d02b1835</GuidValue>
<Version>1.0</Version>
<Abstract>Component description file for WinNtFwh module</Abstract>
<Description>This PEIM will produce the HOB to describe Firmware Volume, Firmware Devices
on the NT32 emulator.</Description>
<Copyright>Copyright (c) 2006, Intel Corporation</Copyright>
<License>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.</License>
<Specification>FRAMEWORK_BUILD_PACKAGING_SPECIFICATION 0x00000052</Specification>
</MsaHeader>
<ModuleDefinitions>
<SupportedArchitectures>IA32 X64 IPF EBC</SupportedArchitectures>
<BinaryModule>false</BinaryModule>
<OutputFileBasename>UnixFwh</OutputFileBasename>
</ModuleDefinitions>
<LibraryClassDefinitions>
<LibraryClass Usage="ALWAYS_CONSUMED">
<Keyword>DebugLib</Keyword>
</LibraryClass>
<LibraryClass Usage="ALWAYS_CONSUMED">
<Keyword>PeimEntryPoint</Keyword>
</LibraryClass>
<LibraryClass Usage="ALWAYS_CONSUMED">
<Keyword>HobLib</Keyword>
</LibraryClass>
<LibraryClass Usage="ALWAYS_CONSUMED">
<Keyword>PeiServicesLib</Keyword>
</LibraryClass>
<LibraryClass Usage="ALWAYS_CONSUMED">
<Keyword>PeiServicesTablePointerLib</Keyword>
</LibraryClass>
</LibraryClassDefinitions>
<SourceFiles>
<Filename>UnixFwh.c</Filename>
<Filename>UnixFwh.dxs</Filename>
</SourceFiles>
<PackageDependencies>
<Package PackageGuid="5e0e9358-46b6-4ae2-8218-4ab8b9bbdcec"/>
<Package PackageGuid="68169ab0-d41b-4009-9060-292c253ac43d"/>
<Package PackageGuid="f2805c44-8985-11db-9e98-0040d02b1835"/>
</PackageDependencies>
<PPIs>
<Ppi Usage="ALWAYS_CONSUMED">
<PpiCName>gUnixFwhPpiGuid</PpiCName>
</Ppi>
</PPIs>
<Externs>
<Specification>EFI_SPECIFICATION_VERSION 0x00020000</Specification>
<Specification>EDK_RELEASE_VERSION 0x00020000</Specification>
<Extern>
<ModuleEntryPoint>PeimInitializeUnixFwh</ModuleEntryPoint>
</Extern>
</Externs>
</ModuleSurfaceArea>

302
EdkUnixPkg/Pei/FlashMap/FlashMap.c Normal file
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/*++
Copyright (c) 2006, 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:
FlashMap.c
Abstract:
PEIM to build GUIDed HOBs for platform specific flash map
--*/
#include <FlashLayout.h>
EFI_STATUS
EFIAPI
GetAreaInfo (
IN EFI_PEI_SERVICES **PeiServices,
IN PEI_FLASH_MAP_PPI *This,
IN EFI_FLASH_AREA_TYPE AreaType,
IN EFI_GUID *AreaTypeGuid,
OUT UINT32 *NumEntries,
OUT EFI_FLASH_SUBAREA_ENTRY **Entries
);
EFI_STATUS
EFIAPI
MemoryDiscoveredPpiNotifyCallback (
IN EFI_PEI_SERVICES **PeiServices,
IN EFI_PEI_NOTIFY_DESCRIPTOR *NotifyDescriptor,
IN VOID *Ppi
);
//
// Module globals
//
static PEI_FLASH_MAP_PPI mFlashMapPpi = { GetAreaInfo };
static EFI_PEI_PPI_DESCRIPTOR mPpiListFlashMap = {
(EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),
&gPeiFlashMapPpiGuid,
&mFlashMapPpi
};
static EFI_FLASH_AREA_DATA mFlashAreaData[] = {
//
// Variable area
//
{
EFI_VARIABLE_STORE_OFFSET,
EFI_VARIABLE_STORE_LENGTH,
EFI_FLASH_AREA_SUBFV | EFI_FLASH_AREA_MEMMAPPED_FV,
EFI_FLASH_AREA_EFI_VARIABLES,
0, 0, 0,
{ 0x00000000, 0x0000, 0x0000, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }
},
//
// FTW spare (backup) block
//
{
EFI_WINNT_FTW_SPARE_BLOCK_OFFSET,
EFI_WINNT_FTW_SPARE_BLOCK_LENGTH,
EFI_FLASH_AREA_SUBFV | EFI_FLASH_AREA_MEMMAPPED_FV,
EFI_FLASH_AREA_FTW_BACKUP,
0, 0, 0,
{ 0x00000000, 0x0000, 0x0000, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }
},
//
// FTW private working (state) area
//
{
EFI_FTW_WORKING_OFFSET,
EFI_FTW_WORKING_LENGTH,
EFI_FLASH_AREA_SUBFV | EFI_FLASH_AREA_MEMMAPPED_FV,
EFI_FLASH_AREA_FTW_STATE,
0, 0, 0,
{ 0x00000000, 0x0000, 0x0000, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }
},
//
// Recovery FV
//
{
EFI_WINNT_FIRMWARE_OFFSET,
EFI_WINNT_FIRMWARE_LENGTH,
EFI_FLASH_AREA_FV | EFI_FLASH_AREA_MEMMAPPED_FV,
EFI_FLASH_AREA_RECOVERY_BIOS,
0, 0, 0,
{ 0x00000000, 0x0000, 0x0000, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }
},
//
// System Non-Volatile Storage FV
//
{
EFI_WINNT_RUNTIME_UPDATABLE_OFFSET,
EFI_WINNT_RUNTIME_UPDATABLE_LENGTH + EFI_WINNT_FTW_SPARE_BLOCK_LENGTH,
EFI_FLASH_AREA_FV | EFI_FLASH_AREA_MEMMAPPED_FV,
EFI_FLASH_AREA_GUID_DEFINED,
0, 0, 0,
EFI_SYSTEM_NV_DATA_HOB_GUID
},
};
EFI_STATUS
EFIAPI
PeimInitializeFlashMap (
IN EFI_FFS_FILE_HEADER *FfsHeader,
IN EFI_PEI_SERVICES **PeiServices
)
/*++
Routine Description:
Build GUIDed HOBs for platform specific flash map
Arguments:
FfsHeader - A pointer to the EFI_FFS_FILE_HEADER structure.
PeiServices - General purpose services available to every PEIM.
Returns:
EFI_STATUS
--*/
// TODO: EFI_SUCCESS - add return value to function comment
{
EFI_STATUS Status;
UNIX_FWH_PPI *UnixFwhPpi;
EFI_PEI_PPI_DESCRIPTOR *PpiDescriptor;
EFI_PHYSICAL_ADDRESS FdBase;
UINT64 FdSize;
UINTN NumOfHobData;
UINTN Index;
EFI_FLASH_AREA_HOB_DATA FlashHobData;
DEBUG ((EFI_D_ERROR, "NT 32 Flash Map PEIM Loaded\n"));
//
// Install FlashMap PPI
//
Status = PeiServicesInstallPpi (&mPpiListFlashMap);
ASSERT_EFI_ERROR (Status);
//
// Get the Fwh Information PPI
//
Status = PeiServicesLocatePpi (
&gUnixFwhPpiGuid, // GUID
0, // INSTANCE
&PpiDescriptor, // EFI_PEI_PPI_DESCRIPTOR
(VOID **)&UnixFwhPpi // PPI
);
ASSERT_EFI_ERROR (Status);
//
// Assume that FD0 contains the Flash map.
//
Status = UnixFwhPpi->UnixFwh (0, &FdBase, &FdSize);
if (EFI_ERROR (Status)) {
return Status;
}
//
// Get number of types
//
NumOfHobData = sizeof (mFlashAreaData) / sizeof (EFI_FLASH_AREA_DATA);
//
// Build flash area entries as GUIDed HOBs.
//
for (Index = 0; Index < NumOfHobData; Index++) {
(*PeiServices)->SetMem (&FlashHobData, sizeof (EFI_FLASH_AREA_HOB_DATA), 0);
FlashHobData.AreaType = mFlashAreaData[Index].AreaType;
FlashHobData.NumberOfEntries = 1;
FlashHobData.SubAreaData.Attributes = mFlashAreaData[Index].Attributes;
FlashHobData.SubAreaData.Base = FdBase + (EFI_PHYSICAL_ADDRESS) (UINTN) mFlashAreaData[Index].Base;
FlashHobData.SubAreaData.Length = (EFI_PHYSICAL_ADDRESS) (UINTN) mFlashAreaData[Index].Length;
//
// We also update a PCD entry so that any driver that depend on
// PCD entry will get the information.
//
if (FlashHobData.AreaType == EFI_FLASH_AREA_EFI_VARIABLES) {
PcdSet32 (PcdFlashNvStorageVariableBase, (UINT32) FlashHobData.SubAreaData.Base);
PcdSet32 (PcdFlashNvStorageVariableSize, (UINT32) FlashHobData.SubAreaData.Length);
}
if (FlashHobData.AreaType == EFI_FLASH_AREA_FTW_STATE) {
PcdSet32 (PcdFlashNvStorageFtwWorkingBase, (UINT32) FlashHobData.SubAreaData.Base);
PcdSet32 (PcdFlashNvStorageFtwWorkingSize, (UINT32) FlashHobData.SubAreaData.Length);
}
if (FlashHobData.AreaType == EFI_FLASH_AREA_FTW_BACKUP) {
PcdSet32 (PcdFlashNvStorageFtwSpareBase, (UINT32) FlashHobData.SubAreaData.Base);
PcdSet32 (PcdFlashNvStorageFtwSpareSize, (UINT32) FlashHobData.SubAreaData.Length);
}
switch (FlashHobData.AreaType) {
case EFI_FLASH_AREA_RECOVERY_BIOS:
case EFI_FLASH_AREA_MAIN_BIOS:
(*PeiServices)->CopyMem (
&FlashHobData.AreaTypeGuid,
&gEfiFirmwareFileSystemGuid,
sizeof (EFI_GUID)
);
(*PeiServices)->CopyMem (
&FlashHobData.SubAreaData.FileSystem,
&gEfiFirmwareVolumeBlockProtocolGuid,
sizeof (EFI_GUID)
);
break;
case EFI_FLASH_AREA_GUID_DEFINED:
(*PeiServices)->CopyMem (
&FlashHobData.AreaTypeGuid,
&mFlashAreaData[Index].AreaTypeGuid,
sizeof (EFI_GUID)
);
(*PeiServices)->CopyMem (
&FlashHobData.SubAreaData.FileSystem,
&gEfiFirmwareVolumeBlockProtocolGuid,
sizeof (EFI_GUID)
);
break;
default:
break;
}
BuildGuidDataHob (
&gEfiFlashMapHobGuid,
&FlashHobData,
sizeof (EFI_FLASH_AREA_HOB_DATA)
);
}
return EFI_SUCCESS;
}
EFI_STATUS
EFIAPI
GetAreaInfo (
IN EFI_PEI_SERVICES **PeiServices,
IN PEI_FLASH_MAP_PPI *This,
IN EFI_FLASH_AREA_TYPE AreaType,
IN EFI_GUID *AreaTypeGuid,
OUT UINT32 *NumEntries,
OUT EFI_FLASH_SUBAREA_ENTRY **Entries
)
/*++
Routine Description:
Implementation of Flash Map PPI
--*/
// TODO: function comment is missing 'Arguments:'
// TODO: function comment is missing 'Returns:'
// TODO: PeiServices - add argument and description to function comment
// TODO: This - add argument and description to function comment
// TODO: AreaType - add argument and description to function comment
// TODO: AreaTypeGuid - add argument and description to function comment
// TODO: NumEntries - add argument and description to function comment
// TODO: Entries - add argument and description to function comment
// TODO: EFI_SUCCESS - add return value to function comment
// TODO: EFI_NOT_FOUND - add return value to function comment
{
EFI_STATUS Status;
EFI_PEI_HOB_POINTERS Hob;
EFI_HOB_FLASH_MAP_ENTRY_TYPE *FlashMapEntry;
Status = PeiServicesGetHobList ((VOID **)&Hob.Raw);
while (!END_OF_HOB_LIST (Hob)) {
if (Hob.Header->HobType == EFI_HOB_TYPE_GUID_EXTENSION && CompareGuid (&Hob.Guid->Name, &gEfiFlashMapHobGuid)) {
FlashMapEntry = (EFI_HOB_FLASH_MAP_ENTRY_TYPE *) Hob.Raw;
if (AreaType == FlashMapEntry->AreaType) {
if (AreaType == EFI_FLASH_AREA_GUID_DEFINED) {
if (!CompareGuid (AreaTypeGuid, &FlashMapEntry->AreaTypeGuid)) {
goto NextHob;
}
}
*NumEntries = FlashMapEntry->NumEntries;
*Entries = FlashMapEntry->Entries;
return EFI_SUCCESS;
}
}
NextHob:
Hob.Raw = GET_NEXT_HOB (Hob);
}
return EFI_NOT_FOUND;
}

28
EdkUnixPkg/Pei/FlashMap/FlashMap.dxs Normal file
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/*++
Copyright (c) 2006, 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:
FlashMap.dxs
Abstract:
Dependency expression file for FindFv.
--*/
#include <AutoGen.h>
#include <PeimDepex.h>
DEPENDENCY_START
PCD_PPI_GUID
DEPENDENCY_END

126
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<?xml version="1.0" encoding="UTF-8"?>
<ModuleSurfaceArea xmlns="http://www.TianoCore.org/2006/Edk2.0">
<MsaHeader>
<ModuleName>PeiFlashMap</ModuleName>
<ModuleType>PEIM</ModuleType>
<GuidValue>f417814a-8985-11db-8983-0040d02b1835</GuidValue>
<Version>1.0</Version>
<Abstract>Component description file for FlashMap PEI module</Abstract>
<Description>This module installs FlashMap PPI which is used to get flash layout information.</Description>
<Copyright>Copyright (c) 2006, Intel Corporation</Copyright>
<License>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.</License>
<Specification>FRAMEWORK_BUILD_PACKAGING_SPECIFICATION 0x00000052</Specification>
</MsaHeader>
<ModuleDefinitions>
<SupportedArchitectures>IA32 X64 IPF EBC</SupportedArchitectures>
<BinaryModule>false</BinaryModule>
<OutputFileBasename>PeiFlashMap</OutputFileBasename>
</ModuleDefinitions>
<LibraryClassDefinitions>
<LibraryClass Usage="ALWAYS_CONSUMED">
<Keyword>DebugLib</Keyword>
</LibraryClass>
<LibraryClass Usage="ALWAYS_CONSUMED">
<Keyword>PeimEntryPoint</Keyword>
</LibraryClass>
<LibraryClass Usage="ALWAYS_CONSUMED">
<Keyword>HobLib</Keyword>
</LibraryClass>
<LibraryClass Usage="ALWAYS_CONSUMED">
<Keyword>PeiServicesLib</Keyword>
</LibraryClass>
<LibraryClass Usage="ALWAYS_CONSUMED">
<Keyword>PeiServicesTablePointerLib</Keyword>
</LibraryClass>
<LibraryClass Usage="ALWAYS_CONSUMED">
<Keyword>BaseMemoryLib</Keyword>
</LibraryClass>
<LibraryClass Usage="ALWAYS_CONSUMED">
<Keyword>PcdLib</Keyword>
</LibraryClass>
</LibraryClassDefinitions>
<SourceFiles>
<Filename>FlashMap.c</Filename>
<Filename>FlashMap.dxs</Filename>
</SourceFiles>
<PackageDependencies>
<Package PackageGuid="5e0e9358-46b6-4ae2-8218-4ab8b9bbdcec"/>
<Package PackageGuid="68169ab0-d41b-4009-9060-292c253ac43d"/>
<Package PackageGuid="f2805c44-8985-11db-9e98-0040d02b1835"/>
</PackageDependencies>
<Protocols>
<Protocol Usage="ALWAYS_CONSUMED">
<ProtocolCName>gEfiFirmwareVolumeBlockProtocolGuid</ProtocolCName>
</Protocol>
</Protocols>
<PPIs>
<Ppi Usage="ALWAYS_PRODUCED">
<PpiCName>gPeiFlashMapPpiGuid</PpiCName>
</Ppi>
<Ppi Usage="ALWAYS_CONSUMED">
<PpiCName>gUnixFwhPpiGuid</PpiCName>
</Ppi>
</PPIs>
<Guids>
<GuidCNames Usage="ALWAYS_CONSUMED">
<GuidCName>gEfiFlashMapHobGuid</GuidCName>
</GuidCNames>
<GuidCNames Usage="ALWAYS_CONSUMED">
<GuidCName>gEfiFirmwareFileSystemGuid</GuidCName>
</GuidCNames>
<GuidCNames Usage="ALWAYS_CONSUMED">
<GuidCName>gEfiSystemNvDataHobGuid</GuidCName>
</GuidCNames>
</Guids>
<Externs>
<Specification>EFI_SPECIFICATION_VERSION 0x00020000</Specification>
<Specification>EDK_RELEASE_VERSION 0x00020000</Specification>
<Extern>
<ModuleEntryPoint>PeimInitializeFlashMap</ModuleEntryPoint>
</Extern>
</Externs>
<PcdCoded>
<PcdEntry PcdItemType="DYNAMIC">
<C_Name>PcdFlashNvStorageVariableBase</C_Name>
<TokenSpaceGuidCName>gEfiGenericPlatformTokenSpaceGuid</TokenSpaceGuidCName>
<HelpText>The driver sets the NV Storage FV base address defined by this PCD.
This base address point to an EFI_FIRMWARE_VOLUMN_HEADER struct. Variable PEIM
will get the base address from this PCD. In NT emulator, this PCD is a DYNAMIC
type, as FD is mapped to process space by WinNT OS. On real platform, it is
normally a FIXED_AT_BUILD type as system memory map is fixed to BIOS.
</HelpText>
</PcdEntry>
<PcdEntry PcdItemType="DYNAMIC">
<C_Name>PcdFlashNvStorageVariableSize</C_Name>
<TokenSpaceGuidCName>gEfiGenericPlatformTokenSpaceGuid</TokenSpaceGuidCName>
<HelpText>
To get the NvStorage Variable size from this PCD.
</HelpText>
</PcdEntry>
<PcdEntry PcdItemType="DYNAMIC" Usage="ALWAYS_CONSUMED">
<C_Name>PcdFlashNvStorageFtwSpareBase</C_Name>
<TokenSpaceGuidCName>gEfiGenericPlatformTokenSpaceGuid</TokenSpaceGuidCName>
<HelpText>To get base address of the FTW spare block section in NV firmware volume.</HelpText>
</PcdEntry>
<PcdEntry PcdItemType="DYNAMIC" Usage="ALWAYS_CONSUMED">
<C_Name>PcdFlashNvStorageFtwSpareSize</C_Name>
<TokenSpaceGuidCName>gEfiGenericPlatformTokenSpaceGuid</TokenSpaceGuidCName>
<HelpText>To get size of the FTW spare block section in NV firmware volume.</HelpText>
</PcdEntry>
<PcdEntry PcdItemType="DYNAMIC" Usage="ALWAYS_CONSUMED">
<C_Name>PcdFlashNvStorageFtwWorkingBase</C_Name>
<TokenSpaceGuidCName>gEfiGenericPlatformTokenSpaceGuid</TokenSpaceGuidCName>
<HelpText>To get base address of the FTW working block section in NV firmware volume.</HelpText>
</PcdEntry>
<PcdEntry PcdItemType="DYNAMIC" Usage="ALWAYS_CONSUMED">
<C_Name>PcdFlashNvStorageFtwWorkingSize</C_Name>
<TokenSpaceGuidCName>gEfiGenericPlatformTokenSpaceGuid</TokenSpaceGuidCName>
<HelpText>To get size of the FTW working block section in NV firmware volume.</HelpText>
</PcdEntry>
</PcdCoded>
</ModuleSurfaceArea>

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/*++
Copyright (c) 2006, 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:
UnixStuff.c
Abstract:
Tiano PEIM to abstract construction of firmware volume in a Unix environment.
Revision History
--*/
EFI_STATUS
EFIAPI
PeimInitializeUnixStuff (
IN EFI_FFS_FILE_HEADER *FfsHeader,
IN EFI_PEI_SERVICES **PeiServices
)
/*++
Routine Description:
Perform a call-back into the SEC simulator to get Unix Stuff
Arguments:
PeiServices - General purpose services available to every PEIM.
Returns:
None
--*/
// TODO: FfsHeader - add argument and description to function comment
{
EFI_STATUS Status;
EFI_PEI_PPI_DESCRIPTOR *PpiDescriptor;
PEI_UNIX_THUNK_PPI *PeiUnixService;
VOID *Ptr;
DEBUG ((EFI_D_ERROR, "Unix Stuff PEIM Loaded\n"));
Status = (**PeiServices).LocatePpi (
PeiServices,
&gPeiUnixThunkPpiGuid, // GUID
0, // INSTANCE
&PpiDescriptor, // EFI_PEI_PPI_DESCRIPTOR
(VOID **)&PeiUnixService // PPI
);
ASSERT_EFI_ERROR (Status);
Ptr = PeiUnixService->UnixThunk ();
BuildGuidDataHob (
&gEfiUnixThunkProtocolGuid, // Guid
&Ptr, // Buffer
sizeof (VOID *) // Sizeof Buffer
);
return Status;
}

29
EdkUnixPkg/Pei/UnixStuff/UnixStuff.dxs Normal file
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/*++
Copyright (c) 2006, 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:
UnixStuff.dxs
Abstract:
Dependency expression file for UnixStuff PEIM.
--*/
#include <AutoGen.h>
#include <PeimDepex.h>
DEPENDENCY_START
PEI_UNIX_THUNK_PPI_GUID AND EFI_PEI_PERMANENT_MEMORY_INSTALLED_PPI_GUID
DEPENDENCY_END

69
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<?xml version="1.0" encoding="UTF-8"?>
<ModuleSurfaceArea xmlns="http://www.TianoCore.org/2006/Edk2.0">
<MsaHeader>
<ModuleName>UnixStuff</ModuleName>
<ModuleType>PEIM</ModuleType>
<GuidValue>f4239aa2-8985-11db-af82-0040d02b1835</GuidValue>
<Version>1.0</Version>
<Abstract>Stuff driver</Abstract>
<Description>
Tiano PEIM to abstract construction of firmware volume in a Windows NT environment.
</Description>
<Copyright>Copyright (c) 2006, Intel Corporation</Copyright>
<License>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.</License>
<Specification>FRAMEWORK_BUILD_PACKAGING_SPECIFICATION 0x00000052</Specification>
</MsaHeader>
<ModuleDefinitions>
<SupportedArchitectures>IA32 X64 IPF EBC</SupportedArchitectures>
<BinaryModule>false</BinaryModule>
<OutputFileBasename>UnixStuff</OutputFileBasename>
</ModuleDefinitions>
<LibraryClassDefinitions>
<LibraryClass Usage="ALWAYS_CONSUMED">
<Keyword>DebugLib</Keyword>
</LibraryClass>
<LibraryClass Usage="ALWAYS_CONSUMED">
<Keyword>PeimEntryPoint</Keyword>
</LibraryClass>
<LibraryClass Usage="ALWAYS_CONSUMED">
<Keyword>HobLib</Keyword>
</LibraryClass>
<LibraryClass Usage="ALWAYS_CONSUMED">
<Keyword>PeiServicesLib</Keyword>
</LibraryClass>
<LibraryClass Usage="ALWAYS_CONSUMED">
<Keyword>PeiServicesTablePointerLib</Keyword>
</LibraryClass>
</LibraryClassDefinitions>
<SourceFiles>
<Filename>UnixStuff.c</Filename>
<Filename>UnixStuff.dxs</Filename>
</SourceFiles>
<PackageDependencies>
<Package PackageGuid="5e0e9358-46b6-4ae2-8218-4ab8b9bbdcec"/>
<Package PackageGuid="68169ab0-d41b-4009-9060-292c253ac43d"/>
<Package PackageGuid="f2805c44-8985-11db-9e98-0040d02b1835"/>
</PackageDependencies>
<Protocols>
<Protocol Usage="ALWAYS_CONSUMED">
<ProtocolCName>gEfiUnixThunkProtocolGuid</ProtocolCName>
</Protocol>
</Protocols>
<PPIs>
<Ppi Usage="ALWAYS_CONSUMED">
<PpiCName>gPeiUnixThunkPpiGuid</PpiCName>
</Ppi>
</PPIs>
<Externs>
<Specification>EFI_SPECIFICATION_VERSION 0x00020000</Specification>
<Specification>EDK_RELEASE_VERSION 0x00020000</Specification>
<Extern>
<ModuleEntryPoint>PeimInitializeUnixStuff</ModuleEntryPoint>
</Extern>
</Externs>
</ModuleSurfaceArea>