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/*
;-------------------------------------------------------------------------------
;
; Copyright (c) 2007, Intel Corporation
; All rights reserved. This program and the accompanying materials
; are licensed and made available under the terms and conditions of the BSD License
; which accompanies this distribution. The full text of the license may be found at
; http://opensource.org/licenses/bsd-license.php
; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
;
;
; Module Name:
;
; IdtVectorAsm.S
;
; Abstract:
;
;
;-------------------------------------------------------------------- --------
*/
.text
.code32
.align 8
.globl ASM_PFX(AsmGetVectorTemplatInfo)
.globl ASM_PFX(AsmVectorFixup)
/*
;
;-----------------------------------------------------------------------
; Template of IDT Vector Handlers.
;
;-----------------------------------------------------------------------
*/
@VectorTemplateBase:
pushl %eax
.byte 0x6a # push #VectorNum
@VectorNum:
.byte 0
movl CommonInterruptEntry, %eax
jmp *%eax
@VectorTemplateEnd:
ASM_PFX(AsmGetVectorTemplatInfo):
movl 4(%esp), %ecx
movl $@VectorTemplateBase, (%ecx)
movl $(@VectorTemplateEnd - @VectorTemplateBase), %eax
ret
ASM_PFX(AsmVectorFixup):
movl 8(%esp), %eax
movl 4(%esp), %ecx
movb %al, (@VectorNum - @VectorTemplateBase)(%ecx)
ret
/*
; The follow algorithm is used for the common interrupt routine.
;
; +---------------------+ <-- 16-byte aligned ensured by processor
; + Old SS +
; +---------------------+
; + Old RSP +
; +---------------------+
; + RFlags +
; +---------------------+
; + CS +
; +---------------------+
; + RIP +
; +---------------------+
; + Error Code +
; +---------------------+
; + Vector Number +
; +---------------------+
*/
CommonInterruptEntry:
cli
@@:
jmp @@
|
