cd5ebaa06d
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@10420 6f19259b-4bc3-4df7-8a09-765794883524
89 lines
2.2 KiB
NASM
89 lines
2.2 KiB
NASM
;/** @file
|
|
;
|
|
; IDT vector entry.
|
|
;
|
|
; Copyright (c) 2007 - 2008, 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.
|
|
;
|
|
;**/
|
|
|
|
.686p
|
|
.model flat,C
|
|
.code
|
|
|
|
;
|
|
;------------------------------------------------------------------------------
|
|
; Generic IDT Vector Handlers for the Host.
|
|
;
|
|
;------------------------------------------------------------------------------
|
|
|
|
ALIGN 8
|
|
PUBLIC AsmGetVectorTemplatInfo
|
|
PUBLIC AsmVectorFixup
|
|
|
|
PUBLIC AsmVectorFixup
|
|
|
|
@VectorTemplateBase:
|
|
push eax
|
|
db 6ah ; push #VectorNumber
|
|
@VectorNum:
|
|
db 0
|
|
mov eax, CommonInterruptEntry
|
|
jmp eax
|
|
@VectorTemplateEnd:
|
|
|
|
|
|
AsmGetVectorTemplatInfo PROC
|
|
mov ecx, [esp + 4]
|
|
mov [ecx], @VectorTemplateBase
|
|
mov eax, (@VectorTemplateEnd - @VectorTemplateBase)
|
|
ret
|
|
AsmGetVectorTemplatInfo ENDP
|
|
|
|
|
|
AsmVectorFixup PROC
|
|
mov eax, dword ptr [esp + 8]
|
|
mov ecx, [esp + 4]
|
|
mov [ecx + (@VectorNum - @VectorTemplateBase)], al
|
|
ret
|
|
AsmVectorFixup ENDP
|
|
|
|
|
|
;---------------------------------------;
|
|
; CommonInterruptEntry ;
|
|
;---------------------------------------;
|
|
; 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 PROC
|
|
cli
|
|
|
|
jmp $
|
|
CommonInterruptEntry ENDP
|
|
|
|
END
|
|
|
|
|