make change to support UnixPkg build. The changes are listed as follows:

[mirror_edk2.git] / MdeModulePkg / Core / DxeIplPeim / Ia32 / IdtVectorAsm.S

#/** @file\r
#  \r
#    IDT vector entry.\r
#  \r
#  Copyright (c) 2007 - 2008, Intel Corporation. <BR>\r
#  All rights reserved. This program and the accompanying materials\r
#  are licensed and made available under the terms and conditions of the BSD License\r
#  which accompanies this distribution.  The full text of the license may be found at\r
#  http://opensource.org/licenses/bsd-license.php\r
#  \r
#  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
#  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
#  \r
#**/\r
\r
    .text\r
    .code32\r
\r
\r
    .align  8\r
    .globl  ASM_PFX(AsmGetVectorTemplatInfo)\r
    .globl 	ASM_PFX(AsmVectorFixup)\r
/*\r
;\r
;-----------------------------------------------------------------------\r
;  Template of IDT Vector Handlers. \r
;\r
;-----------------------------------------------------------------------\r
*/\r
VectorTemplateBase:\r
        pushl %eax\r
        .byte 0x6a    #  push #VectorNum\r
VectorNum:\r
        .byte 0\r
        movl  CommonInterruptEntry, %eax\r
        jmp   *%eax\r
VectorTemplateEnd:\r
\r
\r
ASM_PFX(AsmGetVectorTemplatInfo):\r
        movl  4(%esp), %ecx\r
        movl  $VectorTemplateBase, (%ecx)\r
        movl  $(VectorTemplateEnd - VectorTemplateBase), %eax\r
        ret\r
\r
ASM_PFX(AsmVectorFixup):\r
        movl  8(%esp), %eax\r
        movl  4(%esp), %ecx\r
        movb  %al, (VectorNum - VectorTemplateBase)(%ecx)\r
        ret\r
\r
/*\r
; The follow algorithm is used for the common interrupt routine.\r
\r
;\r
; +---------------------+ <-- 16-byte aligned ensured by processor\r
; +    Old SS           +\r
; +---------------------+\r
; +    Old RSP          +\r
; +---------------------+\r
; +    RFlags           +\r
; +---------------------+\r
; +    CS               +\r
; +---------------------+\r
; +    RIP              +\r
; +---------------------+\r
; +    Error Code       +\r
; +---------------------+\r
; +    Vector Number    +\r
; +---------------------+\r
*/\r
\r
CommonInterruptEntry: \r
        cli\r
1:\r
        jmp   1b\r
\r
\r
\r
\r