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ArmPlatformPkg/PrePi: Add support for PrePi module

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This module should handle the Pre PI phase before the DXE core is
executed when there is no PEI Core support.
It declares the required information needed by the DXE core through HOBs.



git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@11949 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
oliviermartin 2011-07-01 11:09:00 +00:00
parent f6eab262f0
commit cd872e401a
11 changed files with 1055 additions and 0 deletions
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102
ArmPlatformPkg/PrePi/Exception.S Executable file
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//
// Copyright (c) 2011, ARM Limited. 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 <AsmMacroIoLib.h>
#include <Base.h>
#include <AutoGen.h>
#start of the code section
.text
.align 5
# IMPORT
GCC_ASM_IMPORT(PrePiCommonExceptionEntry)
# EXPORT
GCC_ASM_EXPORT(PrePiVectorTable)
//============================================================
//Default Exception Handlers
//============================================================
ASM_PFX(PrePiVectorTable):
b _DefaultResetHandler
b _DefaultUndefined
b _DefaultSWI
b _DefaultPrefetchAbort
b _DefaultDataAbort
b _DefaultReserved
b _DefaultIrq
b _DefaultFiq
//
// Default Exception handlers: There is no plan to return from any of these exceptions.
// No context saving at all.
//
_DefaultResetHandler:
mov r1, lr
# Switch to SVC for common stack
cps #0x13
mov r0, #0
blx ASM_PFX(PrePiCommonExceptionEntry)
_DefaultUndefined:
sub r1, LR, #4
# Switch to SVC for common stack
cps #0x13
mov r0, #1
blx ASM_PFX(PrePiCommonExceptionEntry)
_DefaultSWI:
sub r1, LR, #4
# Switch to SVC for common stack
cps #0x13
mov r0, #2
blx ASM_PFX(PrePiCommonExceptionEntry)
_DefaultPrefetchAbort:
sub r1, LR, #4
# Switch to SVC for common stack
cps #0x13
mov r0, #3
blx ASM_PFX(PrePiCommonExceptionEntry)
_DefaultDataAbort:
sub r1, LR, #8
# Switch to SVC for common stack
cps #0x13
mov r0, #4
blx ASM_PFX(PrePiCommonExceptionEntry)
_DefaultReserved:
mov r1, lr
# Switch to SVC for common stack
cps #0x13
mov r0, #5
blx ASM_PFX(PrePiCommonExceptionEntry)
_DefaultIrq:
sub r1, LR, #4
# Switch to SVC for common stack
cps #0x13
mov r0, #6
blx ASM_PFX(PrePiCommonExceptionEntry)
_DefaultFiq:
sub r1, LR, #4
# Switch to SVC for common stack
cps #0x13
mov r0, #7
blx ASM_PFX(PrePiCommonExceptionEntry)

91
ArmPlatformPkg/PrePi/Exception.asm Normal file
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//
// Copyright (c) 2011, ARM Limited. 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 <AsmMacroIoLib.h>
#include <Base.h>
#include <AutoGen.h>
IMPORT PrePiCommonExceptionEntry
EXPORT PrePiVectorTable
PRESERVE8
AREA PrePeiCoreException, CODE, READONLY, CODEALIGN, ALIGN=5
//============================================================
//Default Exception Handlers
//============================================================
//TODO: there should be better way to handle the exceptions during the early stage. At the moment they are spinning in infinite loop
PrePiVectorTable
b _DefaultResetHandler
b _DefaultUndefined
b _DefaultSWI
b _DefaultPrefetchAbort
b _DefaultDataAbort
b _DefaultReserved
b _DefaultIrq
b _DefaultFiq
//
// Default Exception handlers: There is no plan to return from any of these exceptions.
// No context saving at all.
//
_DefaultResetHandler
mov r1, lr
cps #0x13 ; Switch to SVC for common stack
mov r0, #0
blx PrePiCommonExceptionEntry
_DefaultUndefined
sub r1, LR, #4
cps #0x13 ; Switch to SVC for common stack
mov r0, #1
blx PrePiCommonExceptionEntry
_DefaultSWI
sub r1, LR, #4
cps #0x13 ; Switch to SVC for common stack
mov r0, #2
blx PrePiCommonExceptionEntry
_DefaultPrefetchAbort
sub r1, LR, #4
cps #0x13 ; Switch to SVC for common stack
mov r0, #3
blx PrePiCommonExceptionEntry
_DefaultDataAbort
sub r1, LR, #8
cps #0x13 ; Switch to SVC for common stack
mov r0, #4
blx PrePiCommonExceptionEntry
_DefaultReserved
mov r1, lr
cps #0x13 ; Switch to SVC for common stack
mov r0, #5
blx PrePiCommonExceptionEntry
_DefaultIrq
sub r1, LR, #4
cps #0x13 ; Switch to SVC for common stack
mov r0, #6
blx PrePiCommonExceptionEntry
_DefaultFiq
sub r1, LR, #4
cps #0x13 ; Switch to SVC for common stack
mov r0, #7
blx PrePiCommonExceptionEntry
END

103
ArmPlatformPkg/PrePi/LzmaDecompress.h Normal file
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/** @file
LZMA Decompress Library header file
Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR>
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 __LZMA_DECOMPRESS_H___
#define __LZMA_DECOMPRESS_H___
/**
Examines a GUIDed section and returns the size of the decoded buffer and the
size of an scratch buffer required to actually decode the data in a GUIDed section.
Examines a GUIDed section specified by InputSection.
If GUID for InputSection does not match the GUID that this handler supports,
then RETURN_UNSUPPORTED is returned.
If the required information can not be retrieved from InputSection,
then RETURN_INVALID_PARAMETER is returned.
If the GUID of InputSection does match the GUID that this handler supports,
then the size required to hold the decoded buffer is returned in OututBufferSize,
the size of an optional scratch buffer is returned in ScratchSize, and the Attributes field
from EFI_GUID_DEFINED_SECTION header of InputSection is returned in SectionAttribute.
If InputSection is NULL, then ASSERT().
If OutputBufferSize is NULL, then ASSERT().
If ScratchBufferSize is NULL, then ASSERT().
If SectionAttribute is NULL, then ASSERT().
@param[in] InputSection A pointer to a GUIDed section of an FFS formatted file.
@param[out] OutputBufferSize A pointer to the size, in bytes, of an output buffer required
if the buffer specified by InputSection were decoded.
@param[out] ScratchBufferSize A pointer to the size, in bytes, required as scratch space
if the buffer specified by InputSection were decoded.
@param[out] SectionAttribute A pointer to the attributes of the GUIDed section. See the Attributes
field of EFI_GUID_DEFINED_SECTION in the PI Specification.
@retval RETURN_SUCCESS The information about InputSection was returned.
@retval RETURN_UNSUPPORTED The section specified by InputSection does not match the GUID this handler supports.
@retval RETURN_INVALID_PARAMETER The information can not be retrieved from the section specified by InputSection.
**/
RETURN_STATUS
EFIAPI
LzmaGuidedSectionGetInfo (
IN CONST VOID *InputSection,
OUT UINT32 *OutputBufferSize,
OUT UINT32 *ScratchBufferSize,
OUT UINT16 *SectionAttribute
);
/**
Decompress a LZAM compressed GUIDed section into a caller allocated output buffer.
Decodes the GUIDed section specified by InputSection.
If GUID for InputSection does not match the GUID that this handler supports, then RETURN_UNSUPPORTED is returned.
If the data in InputSection can not be decoded, then RETURN_INVALID_PARAMETER is returned.
If the GUID of InputSection does match the GUID that this handler supports, then InputSection
is decoded into the buffer specified by OutputBuffer and the authentication status of this
decode operation is returned in AuthenticationStatus. If the decoded buffer is identical to the
data in InputSection, then OutputBuffer is set to point at the data in InputSection. Otherwise,
the decoded data will be placed in caller allocated buffer specified by OutputBuffer.
If InputSection is NULL, then ASSERT().
If OutputBuffer is NULL, then ASSERT().
If ScratchBuffer is NULL and this decode operation requires a scratch buffer, then ASSERT().
If AuthenticationStatus is NULL, then ASSERT().
@param[in] InputSection A pointer to a GUIDed section of an FFS formatted file.
@param[out] OutputBuffer A pointer to a buffer that contains the result of a decode operation.
@param[out] ScratchBuffer A caller allocated buffer that may be required by this function
as a scratch buffer to perform the decode operation.
@param[out] AuthenticationStatus
A pointer to the authentication status of the decoded output buffer.
See the definition of authentication status in the EFI_PEI_GUIDED_SECTION_EXTRACTION_PPI
section of the PI Specification. EFI_AUTH_STATUS_PLATFORM_OVERRIDE must
never be set by this handler.
@retval RETURN_SUCCESS The buffer specified by InputSection was decoded.
@retval RETURN_UNSUPPORTED The section specified by InputSection does not match the GUID this handler supports.
@retval RETURN_INVALID_PARAMETER The section specified by InputSection can not be decoded.
**/
RETURN_STATUS
EFIAPI
LzmaGuidedSectionExtraction (
IN CONST VOID *InputSection,
OUT VOID **OutputBuffer,
OUT VOID *ScratchBuffer, OPTIONAL
OUT UINT32 *AuthenticationStatus
);
#endif // __LZMADECOMPRESS_H__

68
ArmPlatformPkg/PrePi/MainMPCore.c Normal file
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/** @file
*
* Copyright (c) 2011, ARM Limited. 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 "PrePi.h"
#include <Library/ArmMPCoreMailBoxLib.h>
#include <Chipset/ArmV7.h>
#include <Drivers/PL390Gic.h>
VOID
PrimaryMain (
IN UINTN UefiMemoryBase,
IN UINTN StackBase,
IN UINT64 StartTimeStamp
)
{
//Enable the GIC Distributor
PL390GicEnableDistributor(PcdGet32(PcdGicDistributorBase));
// If ArmVe has not been built as Standalone then we need to wake up the secondary cores
if (!FixedPcdGet32(PcdStandalone)) {
// Sending SGI to all the Secondary CPU interfaces
PL390GicSendSgiTo (PcdGet32(PcdGicDistributorBase), GIC_ICDSGIR_FILTER_EVERYONEELSE, 0x0E);
}
PrePiMain (UefiMemoryBase, StackBase, StartTimeStamp);
// We must never return
ASSERT(FALSE);
}
VOID
SecondaryMain (
IN UINTN CoreId
)
{
// Function pointer to Secondary Core entry point
VOID (*secondary_start)(VOID);
UINTN secondary_entry_addr=0;
// Clear Secondary cores MailBox
ArmClearMPCoreMailbox();
while (secondary_entry_addr = ArmGetMPCoreMailbox(), secondary_entry_addr == 0) {
ArmCallWFI();
// Acknowledge the interrupt and send End of Interrupt signal.
PL390GicAcknowledgeSgiFrom(PcdGet32(PcdGicInterruptInterfaceBase),0/*CoreId*/);
}
secondary_start = (VOID (*)())secondary_entry_addr;
// Jump to secondary core entry point.
secondary_start();
// The secondaries shouldn't reach here
ASSERT(FALSE);
}

38
ArmPlatformPkg/PrePi/MainUniCore.c Normal file
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/** @file
*
* Copyright (c) 2011, ARM Limited. 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 "PrePi.h"
VOID
PrimaryMain (
IN UINTN UefiMemoryBase,
IN UINTN StackBase,
IN UINT64 StartTimeStamp
)
{
PrePiMain (UefiMemoryBase, StackBase, StartTimeStamp);
// We must never return
ASSERT(FALSE);
}
VOID
SecondaryMain (
IN UINTN CoreId
)
{
// We must never get into this function on UniCore system
ASSERT(FALSE);
}

84
ArmPlatformPkg/PrePi/ModuleEntryPoint.S Executable file
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//
// Copyright (c) 2011, ARM Limited. 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 <AsmMacroIoLib.h>
#include <Base.h>
#include <Library/PcdLib.h>
#include <AutoGen.h>
#start of the code section
.text
.align 3
#global symbols referenced by this module
GCC_ASM_IMPORT(CEntryPoint)
StartupAddr: .word CEntryPoint
#make _ModuleEntryPoint as global
GCC_ASM_EXPORT(_ModuleEntryPoint)
ASM_PFX(_ModuleEntryPoint):
// Identify CPU ID
mrc p15, 0, r0, c0, c0, 5
and r0, #0xf
_UefiMemoryBase:
#if FixedPcdGet32(PcdStandalone)
// Compute Top of System Memory
LoadConstantToReg (FixedPcdGet32(PcdSystemMemoryBase), r1)
LoadConstantToReg (FixedPcdGet32(PcdSystemMemorySize), r2)
add r1, r1, r2 // r1 = SystemMemoryTop = PcdSystemMemoryBase + PcdSystemMemorySize
#else
// If it is not a Standalone, we must compute the top of the UEFI memory with the base of the FD
LoadConstantToReg (FixedPcdGet32(PcdNormalFdBaseAddress), r1)
#endif
// Compute Base of UEFI Memory
LoadConstantToReg (FixedPcdGet32(PcdSystemMemoryUefiRegionSize), r2)
sub r1, r1, r2 // r1 = SystemMemoryTop - PcdSystemMemoryUefiRegionSize = UefiMemoryBase
_SetupStack:
// Compute Base of Normal stacks for CPU Cores
LoadConstantToReg (FixedPcdGet32(PcdCPUCoresNonSecStackSize), r2)
mul r3, r0, r2 // r3 = core_id * stack_size = offset from the stack base
sub sp, r1, r3 // r3 = UefiMemoryBase - StackOffset = TopOfStack
// Only allocate memory in top of the primary core stack
cmp r0, #0
bne _PrepareArguments
_AllocateGlobalPeiVariables:
// Reserve top of the stack for Global PEI Variables (eg: PeiServicesTablePointer)
LoadConstantToReg (FixedPcdGet32(PcdPeiGlobalVariableSize), r4)
// The reserved place must be 8-bytes aligned for pushing 64-bit variable on the stack
and r5, r4, #7
rsb r5, r5, #8
add r4, r4, r5
sub sp, sp, r4
_PrepareArguments:
// Pass the StackBase to the C Entrypoint (UefiMemoryBase - StackSize - StackOffset)
sub r2, r1, r2
sub r2, r3
// Move sec startup address into a data register
// Ensure we're jumping to FV version of the code (not boot remapped alias)
ldr r3, StartupAddr
// jump to PrePiCore C code
// r0 = core_id
// r1 = UefiMemoryBase
// r2 = StackBase
blx r3

82
ArmPlatformPkg/PrePi/ModuleEntryPoint.asm Normal file
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//
// Copyright (c) 2011, ARM Limited. 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 <AsmMacroIoLib.h>
#include <Base.h>
#include <Library/PcdLib.h>
#include <AutoGen.h>
INCLUDE AsmMacroIoLib.inc
IMPORT CEntryPoint
EXPORT _ModuleEntryPoint
PRESERVE8
AREA PrePiCoreEntryPoint, CODE, READONLY
StartupAddr DCD CEntryPoint
_ModuleEntryPoint
// Identify CPU ID
mrc p15, 0, r0, c0, c0, 5
and r0, #0xf
_UefiMemoryBase
#if FixedPcdGet32(PcdStandalone)
// Compute Top of System Memory
LoadConstantToReg (FixedPcdGet32(PcdSystemMemoryBase), r1)
LoadConstantToReg (FixedPcdGet32(PcdSystemMemorySize), r2)
add r1, r1, r2 // r1 = SystemMemoryTop = PcdSystemMemoryBase + PcdSystemMemorySize
#else
// If it is not a Standalone, we must compute the top of the UEFI memory with the base of the FD
LoadConstantToReg (FixedPcdGet32(PcdNormalFdBaseAddress), r1)
#endif
// Compute Base of UEFI Memory
LoadConstantToReg (FixedPcdGet32(PcdSystemMemoryUefiRegionSize), r2)
sub r1, r1, r2 // r1 = SystemMemoryTop - PcdSystemMemoryUefiRegionSize = UefiMemoryBase
_SetupStack
// Compute Base of Normal stacks for CPU Cores
LoadConstantToReg (FixedPcdGet32(PcdCPUCoresNonSecStackSize), r2)
mul r3, r0, r2 // r3 = core_id * stack_size = offset from the stack base
sub sp, r1, r3 // r3 = UefiMemoryBase - StackOffset = TopOfStack
// Only allocate memory in top of the primary core stack
cmp r0, #0
bne _PrepareArguments
_AllocateGlobalPrePiVariables
// Reserve top of the stack for Global PEI Variables (eg: PeiServicesTablePointer)
LoadConstantToReg (FixedPcdGet32(PcdPeiGlobalVariableSize), r4)
// The reserved place must be 8-bytes aligned for pushing 64-bit variable on the stack
and r5, r4, #7
rsb r5, r5, #8
add r4, r4, r5
sub sp, sp, r4
_PrepareArguments
// Pass the StackBase to the C Entrypoint (UefiMemoryBase - StackSize - StackOffset)
sub r2, r1, r2
sub r2, r3
// Move sec startup address into a data register
// Ensure we're jumping to FV version of the code (not boot remapped alias)
ldr r3, StartupAddr
// jump to PrePiCore C code
// r0 = core_id
// r1 = UefiMemoryBase
// r2 = StackBase
blx r3
END

99
ArmPlatformPkg/PrePi/PeiMPCore.inf Executable file
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#/** @file
#
# Copyright (c) 2011, ARM Ltd. All rights reserved.<BR>
# 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 = ArmPlatformPrePiMPCore
FILE_GUID = d959e387-7b91-452c-90e0-a1dbac90ddb8
MODULE_TYPE = SEC
VERSION_STRING = 1.0
[Sources.ARM]
PrePi.c
ModuleEntryPoint.S | GCC
ModuleEntryPoint.asm | RVCT
Exception.S | GCC
Exception.asm | RVCT
MainMPCore.c
[Packages]
MdePkg/MdePkg.dec
MdeModulePkg/MdeModulePkg.dec
EmbeddedPkg/EmbeddedPkg.dec
ArmPkg/ArmPkg.dec
ArmPlatformPkg/ArmPlatformPkg.dec
IntelFrameworkModulePkg/IntelFrameworkModulePkg.dec
[LibraryClasses]
BaseLib
DebugLib
DebugAgentLib
ArmLib
ArmMPCoreMailBoxLib
PL390GicNonSecLib
IoLib
TimerLib
SerialPortLib
ExtractGuidedSectionLib
LzmaDecompressLib
PeCoffGetEntryPointLib
DebugAgentLib
PrePiLib
ArmPlatformLib
MemoryAllocationLib
HobLib
PrePiHobListPointerLib
PlatformPeiLib
MemoryInitPeiLib
[FeaturePcd]
gEmbeddedTokenSpaceGuid.PcdCacheEnable
gEmbeddedTokenSpaceGuid.PcdPrePiProduceMemoryTypeInformationHob
[FixedPcd]
gArmPlatformTokenSpaceGuid.PcdStandalone
gArmTokenSpaceGuid.PcdVFPEnabled
gArmTokenSpaceGuid.PcdNormalFdBaseAddress
gArmTokenSpaceGuid.PcdNormalFdSize
gArmTokenSpaceGuid.PcdNormalFvBaseAddress
gArmTokenSpaceGuid.PcdNormalFvSize
gArmPlatformTokenSpaceGuid.PcdCPUCoresNonSecStackBase
gArmPlatformTokenSpaceGuid.PcdCPUCoresNonSecStackSize
gArmPlatformTokenSpaceGuid.PcdPeiGlobalVariableSize
gArmPlatformTokenSpaceGuid.PcdHobListPtrGlobalOffset
gArmTokenSpaceGuid.PcdGicDistributorBase
gArmTokenSpaceGuid.PcdGicInterruptInterfaceBase
gArmTokenSpaceGuid.PcdSystemMemoryBase
gArmTokenSpaceGuid.PcdSystemMemorySize
gArmPlatformTokenSpaceGuid.PcdSystemMemoryFixRegionSize
gArmPlatformTokenSpaceGuid.PcdSystemMemoryUefiRegionSize
gEmbeddedTokenSpaceGuid.PcdPrePiCpuMemorySize
gEmbeddedTokenSpaceGuid.PcdPrePiCpuIoSize
gEmbeddedTokenSpaceGuid.PcdMemoryTypeEfiACPIReclaimMemory
gEmbeddedTokenSpaceGuid.PcdMemoryTypeEfiACPIMemoryNVS
gEmbeddedTokenSpaceGuid.PcdMemoryTypeEfiReservedMemoryType
gEmbeddedTokenSpaceGuid.PcdMemoryTypeEfiRuntimeServicesData
gEmbeddedTokenSpaceGuid.PcdMemoryTypeEfiRuntimeServicesCode
gEmbeddedTokenSpaceGuid.PcdMemoryTypeEfiBootServicesCode
gEmbeddedTokenSpaceGuid.PcdMemoryTypeEfiBootServicesData
gEmbeddedTokenSpaceGuid.PcdMemoryTypeEfiLoaderCode
gEmbeddedTokenSpaceGuid.PcdMemoryTypeEfiLoaderData

93
ArmPlatformPkg/PrePi/PeiUniCore.inf Executable file
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#/** @file
#
# Copyright (c) 2011, ARM Ltd. All rights reserved.<BR>
# 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 = ArmPlatformPrePiUniCore
FILE_GUID = d959e387-7b91-452c-90e0-a1dbac90ddb8
MODULE_TYPE = SEC
VERSION_STRING = 1.0
[Sources.ARM]
PrePi.c
ModuleEntryPoint.S | GCC
ModuleEntryPoint.asm | RVCT
Exception.asm | RVCT
Exception.S | GCC
MainUniCore.c
[Packages]
MdePkg/MdePkg.dec
MdeModulePkg/MdeModulePkg.dec
EmbeddedPkg/EmbeddedPkg.dec
ArmPkg/ArmPkg.dec
ArmPlatformPkg/ArmPlatformPkg.dec
IntelFrameworkModulePkg/IntelFrameworkModulePkg.dec
[LibraryClasses]
BaseLib
DebugLib
DebugAgentLib
ArmLib
IoLib
TimerLib
SerialPortLib
ExtractGuidedSectionLib
LzmaDecompressLib
PeCoffGetEntryPointLib
DebugAgentLib
PrePiLib
ArmPlatformLib
MemoryAllocationLib
HobLib
PrePiHobListPointerLib
PlatformPeiLib
MemoryInitPeiLib
[FeaturePcd]
gEmbeddedTokenSpaceGuid.PcdCacheEnable
gEmbeddedTokenSpaceGuid.PcdPrePiProduceMemoryTypeInformationHob
[FixedPcd]
gArmPlatformTokenSpaceGuid.PcdStandalone
gArmTokenSpaceGuid.PcdVFPEnabled
gArmTokenSpaceGuid.PcdNormalFdBaseAddress
gArmTokenSpaceGuid.PcdNormalFdSize
gArmTokenSpaceGuid.PcdNormalFvBaseAddress
gArmTokenSpaceGuid.PcdNormalFvSize
gArmPlatformTokenSpaceGuid.PcdCPUCoresNonSecStackBase
gArmPlatformTokenSpaceGuid.PcdCPUCoresNonSecStackSize
gArmPlatformTokenSpaceGuid.PcdPeiGlobalVariableSize
gArmPlatformTokenSpaceGuid.PcdHobListPtrGlobalOffset
gArmTokenSpaceGuid.PcdSystemMemoryBase
gArmTokenSpaceGuid.PcdSystemMemorySize
gArmPlatformTokenSpaceGuid.PcdSystemMemoryFixRegionSize
gArmPlatformTokenSpaceGuid.PcdSystemMemoryUefiRegionSize
gEmbeddedTokenSpaceGuid.PcdPrePiCpuMemorySize
gEmbeddedTokenSpaceGuid.PcdPrePiCpuIoSize
gEmbeddedTokenSpaceGuid.PcdMemoryTypeEfiACPIReclaimMemory
gEmbeddedTokenSpaceGuid.PcdMemoryTypeEfiACPIMemoryNVS
gEmbeddedTokenSpaceGuid.PcdMemoryTypeEfiReservedMemoryType
gEmbeddedTokenSpaceGuid.PcdMemoryTypeEfiRuntimeServicesData
gEmbeddedTokenSpaceGuid.PcdMemoryTypeEfiRuntimeServicesCode
gEmbeddedTokenSpaceGuid.PcdMemoryTypeEfiBootServicesCode
gEmbeddedTokenSpaceGuid.PcdMemoryTypeEfiBootServicesData
gEmbeddedTokenSpaceGuid.PcdMemoryTypeEfiLoaderCode
gEmbeddedTokenSpaceGuid.PcdMemoryTypeEfiLoaderData

213
ArmPlatformPkg/PrePi/PrePi.c Executable file
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/** @file
*
* Copyright (c) 2011, ARM Limited. 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/DebugAgentLib.h>
#include <Library/PrePiLib.h>
#include <Library/IoLib.h>
#include <Library/PrintLib.h>
#include <Library/PeCoffGetEntryPointLib.h>
#include <Library/TimerLib.h>
#include <Library/PerformanceLib.h>
#include <Ppi/GuidedSectionExtraction.h>
#include <Guid/LzmaDecompress.h>
#include "PrePi.h"
#include "LzmaDecompress.h"
VOID
PrePiCommonExceptionEntry (
IN UINT32 Entry,
IN UINT32 LR
);
EFI_STATUS
EFIAPI
ExtractGuidedSectionLibConstructor (
VOID
);
EFI_STATUS
EFIAPI
LzmaDecompressLibConstructor (
VOID
);
VOID
PrePiMain (
IN UINTN UefiMemoryBase,
IN UINTN StackBase,
IN UINT64 StartTimeStamp
)
{
EFI_HOB_HANDOFF_INFO_TABLE** PrePiHobBase;
EFI_STATUS Status;
CHAR8 Buffer[100];
UINTN CharCount;
// Enable program flow prediction, if supported.
ArmEnableBranchPrediction ();
if (FixedPcdGet32(PcdVFPEnabled)) {
ArmEnableVFP();
}
// Initialize the Serial Port
SerialPortInitialize ();
CharCount = AsciiSPrint (Buffer,sizeof (Buffer),"UEFI firmware built at %a on %a\n\r",__TIME__, __DATE__);
SerialPortWrite ((UINT8 *) Buffer, CharCount);
// Initialize the Debug Agent for Source Level Debugging
InitializeDebugAgent (DEBUG_AGENT_INIT_POSTMEM_SEC, NULL, NULL);
SaveAndSetDebugTimerInterrupt (TRUE);
PrePiHobBase = (EFI_HOB_HANDOFF_INFO_TABLE**)(PcdGet32 (PcdCPUCoresNonSecStackBase) + (PcdGet32 (PcdCPUCoresNonSecStackSize) / 2) - PcdGet32 (PcdHobListPtrGlobalOffset));
// We leave UINT32 at the top of UEFI memory for PcdPrePiHobBase
*PrePiHobBase = HobConstructor (
(VOID*)UefiMemoryBase,
FixedPcdGet32 (PcdSystemMemoryUefiRegionSize),
(VOID*)UefiMemoryBase,
(VOID*)(UefiMemoryBase + FixedPcdGet32 (PcdSystemMemoryUefiRegionSize) - sizeof(UINT32)));
// Initialize MMU and Memory HOBs (Resource Descriptor HOBs)
Status = MemoryPeim (UefiMemoryBase, FixedPcdGet32 (PcdSystemMemoryUefiRegionSize));
ASSERT_EFI_ERROR (Status);
// Create the Stack HOB
BuildStackHob (StackBase, FixedPcdGet32(PcdCPUCoresNonSecStackSize));
// Set the Boot Mode
SetBootMode (ArmPlatformGetBootMode ());
// Initialize Platform HOBs (CpuHob and FvHob)
Status = PlatformPeim ();
ASSERT_EFI_ERROR (Status);
BuildMemoryTypeInformationHob ();
//InitializeDebugAgent (DEBUG_AGENT_INIT_PREMEM_SEC, NULL, NULL);
//SaveAndSetDebugTimerInterrupt (TRUE);
// Now, the HOB List has been initialized, we can register performance information
PERF_START (NULL, "PEI", NULL, StartTimeStamp);
// SEC phase needs to run library constructors by hand.
ExtractGuidedSectionLibConstructor ();
LzmaDecompressLibConstructor ();
// Build HOBs to pass up our version of stuff the DXE Core needs to save space
BuildPeCoffLoaderHob ();
BuildExtractSectionHob (
&gLzmaCustomDecompressGuid,
LzmaGuidedSectionGetInfo,
LzmaGuidedSectionExtraction
);
// Assume the FV that contains the SEC (our code) also contains a compressed FV.
Status = DecompressFirstFv ();
ASSERT_EFI_ERROR (Status);
// Load the DXE Core and transfer control to it
Status = LoadDxeCoreFromFv (NULL, 0);
ASSERT_EFI_ERROR (Status);
}
VOID
CEntryPoint (
IN UINTN CoreId,
IN UINTN UefiMemoryBase,
IN UINTN StackBase
)
{
UINT64 StartTimeStamp;
if ((CoreId == 0) && PerformanceMeasurementEnabled ()) {
// Initialize the Timer Library to setup the Timer HW controller
TimerConstructor ();
// We cannot call yet the PerformanceLib because the HOB List has not been initialized
StartTimeStamp = GetPerformanceCounter ();
}
//Clean Data cache
ArmCleanInvalidateDataCache();
//Invalidate instruction cache
ArmInvalidateInstructionCache();
//TODO:Drain Write Buffer
// Enable Instruction & Data caches
ArmEnableDataCache();
ArmEnableInstructionCache();
// Write VBAR - The Vector table must be 32-byte aligned
ASSERT(((UINT32)PrePiVectorTable & ((1 << 5)-1)) == 0);
ArmWriteVBar((UINT32)PrePiVectorTable);
//If not primary Jump to Secondary Main
if(0 == CoreId) {
// Goto primary Main.
PrimaryMain (UefiMemoryBase, StackBase, StartTimeStamp);
} else {
SecondaryMain (CoreId);
}
// DXE Core should always load and never return
ASSERT (FALSE);
}
VOID
PrePiCommonExceptionEntry (
IN UINT32 Entry,
IN UINT32 LR
)
{
CHAR8 Buffer[100];
UINTN CharCount;
switch (Entry) {
case 0:
CharCount = AsciiSPrint (Buffer,sizeof (Buffer),"Reset Exception at 0x%X\n\r",LR);
break;
case 1:
CharCount = AsciiSPrint (Buffer,sizeof (Buffer),"Undefined Exception at 0x%X\n\r",LR);
break;
case 2:
CharCount = AsciiSPrint (Buffer,sizeof (Buffer),"SWI Exception at 0x%X\n\r",LR);
break;
case 3:
CharCount = AsciiSPrint (Buffer,sizeof (Buffer),"PrefetchAbort Exception at 0x%X\n\r",LR);
break;
case 4:
CharCount = AsciiSPrint (Buffer,sizeof (Buffer),"DataAbort Exception at 0x%X\n\r",LR);
break;
case 5:
CharCount = AsciiSPrint (Buffer,sizeof (Buffer),"Reserved Exception at 0x%X\n\r",LR);
break;
case 6:
CharCount = AsciiSPrint (Buffer,sizeof (Buffer),"IRQ Exception at 0x%X\n\r",LR);
break;
case 7:
CharCount = AsciiSPrint (Buffer,sizeof (Buffer),"FIQ Exception at 0x%X\n\r",LR);
break;
default:
CharCount = AsciiSPrint (Buffer,sizeof (Buffer),"Unknown Exception at 0x%X\n\r",LR);
break;
}
SerialPortWrite ((UINT8 *) Buffer, CharCount);
while(1);
}

82
ArmPlatformPkg/PrePi/PrePi.h Normal file
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@ -0,0 +1,82 @@
/** @file
*
* Copyright (c) 2011, ARM Limited. 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 _PREPI_H_
#define _PREPI_H_
#include <PiPei.h>
#include <Library/PcdLib.h>
#include <Library/ArmLib.h>
#include <Library/DebugLib.h>
#include <Library/MemoryAllocationLib.h>
#include <Library/HobLib.h>
#include <Library/SerialPortLib.h>
#include <Library/ArmPlatformLib.h>
#include <Chipset/ArmV7.h>
#define SerialPrint(txt) SerialPortWrite (txt, AsciiStrLen(txt)+1);
// Vector Table for PrePi Phase
VOID
PrePiVectorTable (
VOID
);
RETURN_STATUS
EFIAPI
TimerConstructor (
VOID
);
VOID
PrePiMain (
IN UINTN UefiMemoryBase,
IN UINTN StackBase,
IN UINT64 StartTimeStamp
);
EFI_STATUS
EFIAPI
MemoryPeim (
IN EFI_PHYSICAL_ADDRESS UefiMemoryBase,
IN UINT64 UefiMemorySize
);
EFI_STATUS
EFIAPI
PlatformPeim (
VOID
);
VOID
PrimaryMain (
IN UINTN UefiMemoryBase,
IN UINTN StackBase,
IN UINT64 StartTimeStamp
);
VOID
SecondaryMain (
IN UINTN CoreId
);
// Either implemented by PrePiLib or by MemoryInitPei
VOID
BuildMemoryTypeInformationHob (
VOID
);
#endif /* _PREPI_H_ */