Import two CPU Exception Handler Library instances: SecPeiCpuExceptionHandler.inf and DxeSmmCpuExceptionHandler.inf.
Signed-off-by: vanjeff Reviewed-by: jyao1 git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@13098 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
@@ -0,0 +1,467 @@
|
||||
#------------------------------------------------------------------------------
|
||||
#*
|
||||
#* 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.
|
||||
#*
|
||||
#* ExceptionHandlerAsm.S
|
||||
#*
|
||||
#* Abstract:
|
||||
#*
|
||||
#* IA32 CPU Exception Handler
|
||||
#
|
||||
#------------------------------------------------------------------------------
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
#.MMX
|
||||
#.XMM
|
||||
|
||||
ASM_GLOBAL ASM_PFX(CommonExceptionHandler)
|
||||
ASM_GLOBAL ASM_PFX(CommonInterruptEntry)
|
||||
|
||||
#EXTRN ASM_PFX(mErrorCodeFlag):DWORD # Error code flags for exceptions
|
||||
|
||||
.text
|
||||
|
||||
#
|
||||
# exception handler stub table
|
||||
#
|
||||
Exception0Handle:
|
||||
pushl $0
|
||||
jmp ASM_PFX(CommonInterruptEntry)
|
||||
Exception1Handle:
|
||||
pushl $1
|
||||
jmp ASM_PFX(CommonInterruptEntry)
|
||||
Exception2Handle:
|
||||
pushl $2
|
||||
jmp ASM_PFX(CommonInterruptEntry)
|
||||
Exception3Handle:
|
||||
pushl $3
|
||||
jmp ASM_PFX(CommonInterruptEntry)
|
||||
Exception4Handle:
|
||||
pushl $4
|
||||
jmp ASM_PFX(CommonInterruptEntry)
|
||||
Exception5Handle:
|
||||
pushl $5
|
||||
jmp ASM_PFX(CommonInterruptEntry)
|
||||
Exception6Handle:
|
||||
pushl $6
|
||||
jmp ASM_PFX(CommonInterruptEntry)
|
||||
Exception7Handle:
|
||||
pushl $7
|
||||
jmp ASM_PFX(CommonInterruptEntry)
|
||||
Exception8Handle:
|
||||
pushl $8
|
||||
jmp ASM_PFX(CommonInterruptEntry)
|
||||
Exception9Handle:
|
||||
pushl $9
|
||||
jmp ASM_PFX(CommonInterruptEntry)
|
||||
Exception10Handle:
|
||||
pushl $10
|
||||
jmp ASM_PFX(CommonInterruptEntry)
|
||||
Exception11Handle:
|
||||
pushl $11
|
||||
jmp ASM_PFX(CommonInterruptEntry)
|
||||
Exception12Handle:
|
||||
pushl $12
|
||||
jmp ASM_PFX(CommonInterruptEntry)
|
||||
Exception13Handle:
|
||||
pushl $13
|
||||
jmp ASM_PFX(CommonInterruptEntry)
|
||||
Exception14Handle:
|
||||
pushl $14
|
||||
jmp ASM_PFX(CommonInterruptEntry)
|
||||
Exception15Handle:
|
||||
pushl $15
|
||||
jmp ASM_PFX(CommonInterruptEntry)
|
||||
Exception16Handle:
|
||||
pushl $16
|
||||
jmp ASM_PFX(CommonInterruptEntry)
|
||||
Exception17Handle:
|
||||
pushl $17
|
||||
jmp ASM_PFX(CommonInterruptEntry)
|
||||
Exception18Handle:
|
||||
pushl $18
|
||||
jmp ASM_PFX(CommonInterruptEntry)
|
||||
Exception19Handle:
|
||||
pushl $19
|
||||
jmp ASM_PFX(CommonInterruptEntry)
|
||||
Exception20Handle:
|
||||
pushl $20
|
||||
jmp ASM_PFX(CommonInterruptEntry)
|
||||
Exception21Handle:
|
||||
pushl $21
|
||||
jmp ASM_PFX(CommonInterruptEntry)
|
||||
Exception22Handle:
|
||||
pushl $22
|
||||
jmp ASM_PFX(CommonInterruptEntry)
|
||||
Exception23Handle:
|
||||
pushl $23
|
||||
jmp ASM_PFX(CommonInterruptEntry)
|
||||
Exception24Handle:
|
||||
pushl $24
|
||||
jmp ASM_PFX(CommonInterruptEntry)
|
||||
Exception25Handle:
|
||||
pushl $25
|
||||
jmp ASM_PFX(CommonInterruptEntry)
|
||||
Exception26Handle:
|
||||
pushl $26
|
||||
jmp ASM_PFX(CommonInterruptEntry)
|
||||
Exception27Handle:
|
||||
pushl $27
|
||||
jmp ASM_PFX(CommonInterruptEntry)
|
||||
Exception28Handle:
|
||||
pushl $28
|
||||
jmp ASM_PFX(CommonInterruptEntry)
|
||||
Exception29Handle:
|
||||
pushl $29
|
||||
jmp ASM_PFX(CommonInterruptEntry)
|
||||
Exception30Handle:
|
||||
pushl $30
|
||||
jmp ASM_PFX(CommonInterruptEntry)
|
||||
Exception31Handle:
|
||||
pushl $31
|
||||
jmp ASM_PFX(CommonInterruptEntry)
|
||||
|
||||
#---------------------------------------;
|
||||
# CommonInterruptEntry ;
|
||||
#---------------------------------------;
|
||||
# The follow algorithm is used for the common interrupt routine.
|
||||
|
||||
ASM_GLOBAL ASM_PFX(CommonInterruptEntry)
|
||||
ASM_PFX(CommonInterruptEntry):
|
||||
cli
|
||||
#
|
||||
# All interrupt handlers are invoked through interrupt gates, so
|
||||
# IF flag automatically cleared at the entry point
|
||||
#
|
||||
|
||||
#
|
||||
# Calculate vector number
|
||||
#
|
||||
# Get the return address of call, actually, it is the
|
||||
# address of vector number.
|
||||
#
|
||||
xchgl (%esp), %ecx
|
||||
andl $0x0FFFF, %ecx
|
||||
cmpl $32, %ecx # Intel reserved vector for exceptions?
|
||||
jae NoErrorCode
|
||||
bt %ecx, ASM_PFX(mErrorCodeFlag)
|
||||
jc HasErrorCode
|
||||
|
||||
NoErrorCode:
|
||||
|
||||
#
|
||||
# Stack:
|
||||
# +---------------------+
|
||||
# + EFlags +
|
||||
# +---------------------+
|
||||
# + CS +
|
||||
# +---------------------+
|
||||
# + EIP +
|
||||
# +---------------------+
|
||||
# + ECX +
|
||||
# +---------------------+ <-- ESP
|
||||
#
|
||||
# Registers:
|
||||
# ECX - Vector Number
|
||||
#
|
||||
|
||||
#
|
||||
# Put Vector Number on stack
|
||||
#
|
||||
pushl %ecx
|
||||
|
||||
#
|
||||
# Put 0 (dummy) error code on stack, and restore ECX
|
||||
#
|
||||
xorl %ecx, %ecx # ECX = 0
|
||||
xchgl 4(%esp), %ecx
|
||||
|
||||
jmp ErrorCodeAndVectorOnStack
|
||||
|
||||
HasErrorCode:
|
||||
|
||||
#
|
||||
# Stack:
|
||||
# +---------------------+
|
||||
# + EFlags +
|
||||
# +---------------------+
|
||||
# + CS +
|
||||
# +---------------------+
|
||||
# + EIP +
|
||||
# +---------------------+
|
||||
# + Error Code +
|
||||
# +---------------------+
|
||||
# + ECX +
|
||||
# +---------------------+ <-- ESP
|
||||
#
|
||||
# Registers:
|
||||
# ECX - Vector Number
|
||||
#
|
||||
|
||||
#
|
||||
# Put Vector Number on stack and restore ECX
|
||||
#
|
||||
xchgl (%esp), %ecx
|
||||
|
||||
#
|
||||
# Fall through to join main routine code
|
||||
# at ErrorCodeAndVectorOnStack
|
||||
#
|
||||
CommonInterruptEntry_al_0000:
|
||||
jmp CommonInterruptEntry_al_0000
|
||||
|
||||
ErrorCodeAndVectorOnStack:
|
||||
pushl %ebp
|
||||
movl %esp, %ebp
|
||||
|
||||
#
|
||||
# Stack:
|
||||
# +---------------------+
|
||||
# + EFlags +
|
||||
# +---------------------+
|
||||
# + CS +
|
||||
# +---------------------+
|
||||
# + EIP +
|
||||
# +---------------------+
|
||||
# + Error Code +
|
||||
# +---------------------+
|
||||
# + Vector Number +
|
||||
# +---------------------+
|
||||
# + EBP +
|
||||
# +---------------------+ <-- EBP
|
||||
#
|
||||
|
||||
#
|
||||
# Align stack to make sure that EFI_FX_SAVE_STATE_IA32 of EFI_SYSTEM_CONTEXT_IA32
|
||||
# is 16-byte aligned
|
||||
#
|
||||
andl $0x0fffffff0, %esp
|
||||
subl $12, %esp
|
||||
|
||||
#; UINT32 Edi, Esi, Ebp, Esp, Ebx, Edx, Ecx, Eax;
|
||||
pushl %eax
|
||||
pushl %ecx
|
||||
pushl %edx
|
||||
pushl %ebx
|
||||
leal 24(%ebp), %ecx
|
||||
pushl %ecx # ESP
|
||||
pushl (%ebp) # EBP
|
||||
pushl %esi
|
||||
pushl %edi
|
||||
|
||||
#; UINT32 Gs, Fs, Es, Ds, Cs, Ss;
|
||||
movl %ss, %eax
|
||||
pushl %eax
|
||||
movzwl 16(%ebp), %eax
|
||||
pushl %eax
|
||||
movl %ds, %eax
|
||||
pushl %eax
|
||||
movl %es, %eax
|
||||
pushl %eax
|
||||
movl %fs, %eax
|
||||
pushl %eax
|
||||
movl %gs, %eax
|
||||
pushl %eax
|
||||
|
||||
#; UINT32 Eip;
|
||||
movl 12(%ebp), %eax
|
||||
pushl %eax
|
||||
|
||||
#; UINT32 Gdtr[2], Idtr[2];
|
||||
subl $8, %esp
|
||||
sidt (%esp)
|
||||
movl 2(%esp), %eax
|
||||
xchgl (%esp), %eax
|
||||
andl $0x0FFFF, %eax
|
||||
movl %eax, 4(%esp)
|
||||
|
||||
subl $8, %esp
|
||||
sgdt (%esp)
|
||||
movl 2(%esp), %eax
|
||||
xchgl (%esp), %eax
|
||||
andl $0x0FFFF, %eax
|
||||
movl %eax, 4(%esp)
|
||||
|
||||
#; UINT32 Ldtr, Tr;
|
||||
xorl %eax, %eax
|
||||
str %ax
|
||||
pushl %eax
|
||||
sldt %ax
|
||||
pushl %eax
|
||||
|
||||
#; UINT32 EFlags;
|
||||
movl 20(%ebp), %eax
|
||||
pushl %eax
|
||||
|
||||
#; UINT32 Cr0, Cr1, Cr2, Cr3, Cr4;
|
||||
movl %cr4, %eax
|
||||
orl $0x208, %eax
|
||||
movl %eax, %cr4
|
||||
pushl %eax
|
||||
movl %cr3, %eax
|
||||
pushl %eax
|
||||
movl %cr2, %eax
|
||||
pushl %eax
|
||||
xorl %eax, %eax
|
||||
pushl %eax
|
||||
movl %cr0, %eax
|
||||
pushl %eax
|
||||
|
||||
#; UINT32 Dr0, Dr1, Dr2, Dr3, Dr6, Dr7;
|
||||
movl %dr7, %eax
|
||||
pushl %eax
|
||||
movl %dr6, %eax
|
||||
pushl %eax
|
||||
movl %dr3, %eax
|
||||
pushl %eax
|
||||
movl %dr2, %eax
|
||||
pushl %eax
|
||||
movl %dr1, %eax
|
||||
pushl %eax
|
||||
movl %dr0, %eax
|
||||
pushl %eax
|
||||
|
||||
#; FX_SAVE_STATE_IA32 FxSaveState;
|
||||
subl $512, %esp
|
||||
movl %esp, %edi
|
||||
.byte 0x0f, 0x0ae, 0x07 #fxsave [edi]
|
||||
|
||||
#; UEFI calling convention for IA32 requires that Direction flag in EFLAGs is clear
|
||||
cld
|
||||
|
||||
#; UINT32 ExceptionData;
|
||||
pushl 8(%ebp)
|
||||
|
||||
#; Prepare parameter and call
|
||||
movl %esp, %edx
|
||||
pushl %edx
|
||||
movl 4(%ebp), %edx
|
||||
pushl %edx
|
||||
|
||||
#
|
||||
# Call External Exception Handler
|
||||
#
|
||||
call ASM_PFX(CommonExceptionHandler)
|
||||
addl $8, %esp
|
||||
|
||||
cli
|
||||
#; UINT32 ExceptionData;
|
||||
addl $4, %esp
|
||||
|
||||
#; FX_SAVE_STATE_IA32 FxSaveState;
|
||||
movl %esp, %esi
|
||||
.byte 0x0f, 0x0ae, 0x0e # fxrstor [esi]
|
||||
addl $512, %esp
|
||||
|
||||
#; UINT32 Dr0, Dr1, Dr2, Dr3, Dr6, Dr7;
|
||||
#; Skip restoration of DRx registers to support in-circuit emualators
|
||||
#; or debuggers set breakpoint in interrupt/exception context
|
||||
addl $24, %esp
|
||||
|
||||
#; UINT32 Cr0, Cr1, Cr2, Cr3, Cr4;
|
||||
popl %eax
|
||||
movl %eax, %cr0
|
||||
addl $4, %esp # not for Cr1
|
||||
popl %eax
|
||||
movl %eax, %cr2
|
||||
popl %eax
|
||||
movl %eax, %cr3
|
||||
popl %eax
|
||||
movl %eax, %cr4
|
||||
|
||||
#; UINT32 EFlags;
|
||||
popl 20(%ebp)
|
||||
|
||||
#; UINT32 Ldtr, Tr;
|
||||
#; UINT32 Gdtr[2], Idtr[2];
|
||||
#; Best not let anyone mess with these particular registers...
|
||||
addl $24, %esp
|
||||
|
||||
#; UINT32 Eip;
|
||||
popl 12(%ebp)
|
||||
|
||||
#; UINT32 Gs, Fs, Es, Ds, Cs, Ss;
|
||||
#; NOTE - modified segment registers could hang the debugger... We
|
||||
#; could attempt to insulate ourselves against this possibility,
|
||||
#; but that poses risks as well.
|
||||
#;
|
||||
popl %gs
|
||||
popl %fs
|
||||
popl %es
|
||||
popl %ds
|
||||
popl 16(%ebp)
|
||||
popl %ss
|
||||
|
||||
#; UINT32 Edi, Esi, Ebp, Esp, Ebx, Edx, Ecx, Eax;
|
||||
popl %edi
|
||||
popl %esi
|
||||
addl $4, %esp # not for ebp
|
||||
addl $4, %esp # not for esp
|
||||
popl %ebx
|
||||
popl %edx
|
||||
popl %ecx
|
||||
popl %eax
|
||||
|
||||
movl %ebp, %esp
|
||||
popl %ebp
|
||||
addl $8, %esp
|
||||
iretl
|
||||
|
||||
|
||||
#---------------------------------------;
|
||||
# _GetTemplateAddressMap ;
|
||||
#----------------------------------------------------------------------------;
|
||||
#
|
||||
# Protocol prototype
|
||||
# GetTemplateAddressMap (
|
||||
# EXCEPTION_HANDLER_TEMPLATE_MAP *AddressMap
|
||||
# );
|
||||
#
|
||||
# Routine Description:
|
||||
#
|
||||
# Return address map of interrupt handler template so that C code can generate
|
||||
# interrupt table.
|
||||
#
|
||||
# Arguments:
|
||||
#
|
||||
#
|
||||
# Returns:
|
||||
#
|
||||
# Nothing
|
||||
#
|
||||
#
|
||||
# Input: [ebp][0] = Original ebp
|
||||
# [ebp][4] = Return address
|
||||
#
|
||||
# Output: Nothing
|
||||
#
|
||||
# Destroys: Nothing
|
||||
#-----------------------------------------------------------------------------;
|
||||
#-------------------------------------------------------------------------------------
|
||||
# AsmGetAddressMap (&AddressMap);
|
||||
#-------------------------------------------------------------------------------------
|
||||
ASM_GLOBAL ASM_PFX(GetTemplateAddressMap)
|
||||
ASM_PFX(GetTemplateAddressMap):
|
||||
|
||||
pushl %ebp
|
||||
movl %esp,%ebp
|
||||
pushal
|
||||
|
||||
movl 0x8(%ebp), %ebx
|
||||
movl $Exception0Handle, (%ebx)
|
||||
movl $(Exception1Handle - Exception0Handle), 0x4(%ebx)
|
||||
|
||||
popal
|
||||
popl %ebp
|
||||
ret
|
||||
|
Reference in New Issue
Block a user