1. Introduced CPU Exception Handler Library to provide the CPU exception handlers and add one NULL library instance.

2. Updated DXE Core, BootScriptExecutorDxe and CapsuleX64Pei to consume CPU Exception Library to setup the default CPU Exception handlers.

Signed-off-by: vanjeff
Reviewed-by: jyao1


git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@13097 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
vanjeff 2012-03-15 05:20:41 +00:00
parent bf0f6c8321
commit 1e172d6bbf
13 changed files with 157 additions and 12 deletions

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@ -2,7 +2,7 @@
The internal header file includes the common header files, defines
internal structure and functions used by DxeCore module.
Copyright (c) 2006 - 2011, Intel Corporation. All rights reserved.<BR>
Copyright (c) 2006 - 2012, 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
@ -87,6 +87,7 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
#include <Library/TimerLib.h>
#include <Library/DxeServicesLib.h>
#include <Library/DebugAgentLib.h>
#include <Library/CpuExceptionHandlerLib.h>
//

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@ -2,7 +2,7 @@
# This is core module in DXE phase. It provides an implementation of DXE Core that is
# compliant with DXE CIS.
#
# Copyright (c) 2006 - 2011, Intel Corporation. All rights reserved.<BR>
# Copyright (c) 2006 - 2012, 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
@ -92,6 +92,7 @@
TimerLib
DxeServicesLib
DebugAgentLib
CpuExceptionHandlerLib
[Guids]
gEfiEventMemoryMapChangeGuid ## CONSUMES ## Event

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@ -1,7 +1,7 @@
/** @file
DXE Core Main Entry Point
Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR>
Copyright (c) 2006 - 2012, 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
@ -242,6 +242,11 @@ DxeMain (
UINT64 MemoryLength;
PE_COFF_LOADER_IMAGE_CONTEXT ImageContext;
//
// Setup the default exception handlers
//
SetupCpuExceptionHandlers ();
//
// Initialize Debug Agent to support source level debug in DXE phase
//

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@ -0,0 +1,28 @@
/** @file
CPU Exception library provides the CPU exception handler.
Copyright (c) 2012, 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 __CPU_EXCEPTION_LIB_H__
#define __CPU_EXCEPTION_LIB_H__
/**
Setup CPU exception handlers.
**/
VOID
EFIAPI
SetupCpuExceptionHandlers (
VOID
);
#endif

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@ -0,0 +1,27 @@
/** @file
CPU Exception Handler library implementition with empty functions.
Copyright (c) 2012, 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.
**/
/**
Setup CPU exception handlers.
**/
VOID
EFIAPI
SetupCpuExceptionHandlers (
VOID
)
{
}

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@ -0,0 +1,35 @@
## @file
# Null instance of CPU Exception Handler Library with empty functions.
#
# Copyright (c) 2012, 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.
#
#
[Defines]
INF_VERSION = 0x00010005
BASE_NAME = CpuExceptionHandlerLibNull
FILE_GUID = 3175E6B9-4B01-496a-9A2B-64AF02D87E34
MODULE_TYPE = BASE
VERSION_STRING = 1.0
LIBRARY_CLASS = CpuExceptionHandlerLib
#
# The following information is for reference only and not required by the build tools.
#
# VALID_ARCHITECTURES = IA32 X64 IPF EBC
#
[Sources.common]
CpuExceptionHandlerLibNull.c
[Packages]
MdePkg/MdePkg.dec
MdeModulePkg/MdeModulePkg.dec

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@ -4,7 +4,7 @@
# It also provides the defintions(including PPIs/PROTOCOLs/GUIDs and library classes)
# and libraries instances, which are used for those modules.
#
# Copyright (c) 2007 - 2011, Intel Corporation. All rights reserved.<BR>
# Copyright (c) 2007 - 2012, 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 that accompanies this distribution.
# The full text of the license may be found at
@ -94,6 +94,10 @@
#
LockBoxLib|Include/Library/LockBoxLib.h
## @libraryclass Provide the CPU exception handler.
#
CpuExceptionHandlerLib|Include/Library/CpuExceptionHandlerLib.h
[Guids]
## MdeModule package token space guid
# Include/Guid/MdeModulePkgTokenSpace.h

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@ -1,7 +1,7 @@
## @file
# EFI/PI Reference Module Package for All Architectures
#
# Copyright (c) 2007 - 2011, Intel Corporation. All rights reserved.<BR>
# Copyright (c) 2007 - 2012, 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
@ -89,6 +89,7 @@
ResetSystemLib|MdeModulePkg/Library/BaseResetSystemLibNull/BaseResetSystemLibNull.inf
SmbusLib|MdePkg/Library/DxeSmbusLib/DxeSmbusLib.inf
S3BootScriptLib|MdeModulePkg/Library/PiDxeS3BootScriptLib/DxeS3BootScriptLib.inf
CpuExceptionHandlerLib|MdeModulePkg/Library/CpuExceptionHandlerLibNull/CpuExceptionHandlerLibNull.inf
[LibraryClasses.EBC.PEIM]
IoLib|MdePkg/Library/PeiIoLibCpuIo/PeiIoLibCpuIo.inf
@ -245,6 +246,7 @@
MdeModulePkg/Library/SmmLockBoxLib/SmmLockBoxSmmLib.inf
MdeModulePkg/Library/PiDxeS3BootScriptLib/DxeS3BootScriptLib.inf
MdeModulePkg/Library/PeiDebugPrintHobLib/PeiDebugPrintHobLib.inf
MdeModulePkg/Library/CpuExceptionHandlerLibNull/CpuExceptionHandlerLibNull.inf
MdeModulePkg/Universal/CapsulePei/CapsulePei.inf
MdeModulePkg/Universal/CapsuleRuntimeDxe/CapsuleRuntimeDxe.inf

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@ -4,7 +4,7 @@
# This is a standalone Boot Script Executor. Standalone means it does not
# depends on any PEI or DXE service.
#
# Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR>
# Copyright (c) 2006 - 2012, 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
@ -68,6 +68,7 @@
UefiLib
DebugAgentLib
LockBoxLib
CpuExceptionHandlerLib
[Guids]
gEfiBootScriptExecutorVariableGuid

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@ -4,7 +4,7 @@
This driver is dispatched by Dxe core and the driver will reload itself to ACPI NVS memory
in the entry point. The functionality is to interpret and restore the S3 boot script
Copyright (c) 2006 - 2011, Intel Corporation. All rights reserved.<BR>
Copyright (c) 2006 - 2012, 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
@ -36,6 +36,7 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
#include <Library/UefiLib.h>
#include <Library/DebugAgentLib.h>
#include <Library/LockBoxLib.h>
#include <Library/CpuExceptionHandlerLib.h>
#include <Guid/AcpiS3Context.h>
#include <Guid/BootScriptExecutorVariable.h>

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@ -3,7 +3,7 @@
Set a IDT entry for interrupt vector 3 for debug purpose for x64 platform
Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR>
Copyright (c) 2006 - 2012, 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
@ -52,6 +52,16 @@ SetIdtEntry (
// Restore IDT for debug
//
IdtDescriptor = (IA32_DESCRIPTOR *) (UINTN) (AcpiS3Context->IdtrProfile);
AsmWriteIdtr (IdtDescriptor);
//
// Setup the default CPU exception handlers
//
SetupCpuExceptionHandlers ();
//
// Update IDT entry INT3
//
IdtEntry = (INTERRUPT_GATE_DESCRIPTOR *)(IdtDescriptor->Base + (3 * sizeof (INTERRUPT_GATE_DESCRIPTOR)));
S3DebugBuffer = (UINTN) (AcpiS3Context->S3DebugBufferAddress);
@ -62,6 +72,5 @@ SetIdtEntry (
IdtEntry->Offset63To32 = (UINT32)(S3DebugBuffer >> 32);
IdtEntry->Reserved = 0;
AsmWriteIdtr (IdtDescriptor);
}

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@ -4,7 +4,7 @@
# The X64 entrypoint to process capsule in long mode.
# This module is built as X64.
#
# Copyright (c) 2011, Intel Corporation. All rights reserved.<BR>
# Copyright (c) 2011 - 2012, Intel Corporation. All rights reserved.<BR>
#
# This program and the accompanying materials
# are licensed and made available under the terms and conditions
@ -41,6 +41,7 @@
[LibraryClasses]
BaseLib
DebugLib
CpuExceptionHandlerLib
[Depex]
FALSE

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@ -1,7 +1,7 @@
/** @file
The X64 entrypoint is used to process capsule in long mode.
Copyright (c) 2011, Intel Corporation. All rights reserved.<BR>
Copyright (c) 2011 - 2012, 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
@ -13,8 +13,12 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
**/
#include <Library/DebugLib.h>
#include <Library/BaseMemoryLib.h>
#include <Library/CpuExceptionHandlerLib.h>
#include "CommonHeader.h"
#define EXCEPTION_VECTOR_NUMBER 0x20
/**
The X64 entrypoint is used to process capsule in long mode then
return to 32-bit protected mode.
@ -32,7 +36,28 @@ _ModuleEntryPoint (
SWITCH_64_TO_32_CONTEXT *ReturnContext
)
{
EFI_STATUS Status;
EFI_STATUS Status;
IA32_DESCRIPTOR Ia32Idtr;
IA32_DESCRIPTOR X64Idtr;
IA32_IDT_GATE_DESCRIPTOR IdtEntryTable[EXCEPTION_VECTOR_NUMBER];
//
// Save the IA32 IDT Descriptor
//
AsmReadIdtr ((IA32_DESCRIPTOR *) &Ia32Idtr);
//
// Setup X64 IDT table
//
ZeroMem (IdtEntryTable, sizeof (IA32_IDT_GATE_DESCRIPTOR) * EXCEPTION_VECTOR_NUMBER);
X64Idtr.Base = (UINTN) IdtEntryTable;
X64Idtr.Limit = (UINT16) (sizeof (IA32_IDT_GATE_DESCRIPTOR) * EXCEPTION_VECTOR_NUMBER - 1);
AsmWriteIdtr ((IA32_DESCRIPTOR *) &X64Idtr);
//
// Setup the default CPU exception handlers
//
SetupCpuExceptionHandlers ();
//
// Call CapsuleDataCoalesce to process capsule.
@ -46,6 +71,11 @@ _ModuleEntryPoint (
ReturnContext->ReturnStatus = Status;
//
// Restore IA32 IDT table
//
AsmWriteIdtr ((IA32_DESCRIPTOR *) &Ia32Idtr);
//
// Finish to coalesce capsule, and return to 32-bit mode.
//