1. Add Assert in SetJump.S

[mirror_edk2.git] / MdePkg / Library / BaseLib / Ia32 / CpuIdEx.asm

;------------------------------------------------------------------------------
;
; Copyright (c) 2006, 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:
;
;   CpuIdEx.Asm\r
;
; Abstract:
;
;   AsmCpuidEx function\r
;
; Notes:
;
;------------------------------------------------------------------------------

    .686\r
    .model  flat,C\r
    .code

;------------------------------------------------------------------------------
;  UINT32
;  EFIAPI
;  AsmCpuidEx (\r
;    IN   UINT32  RegisterInEax,
;    IN   UINT32  RegisterInEcx,
;    OUT  UINT32  *RegisterOutEax  OPTIONAL,
;    OUT  UINT32  *RegisterOutEbx  OPTIONAL,
;    OUT  UINT32  *RegisterOutEcx  OPTIONAL,
;    OUT  UINT32  *RegisterOutEdx  OPTIONAL
;    )
;------------------------------------------------------------------------------
AsmCpuidEx  PROC    USES    ebx\r
    push    ebp\r
    mov     ebp, esp\r
    mov     eax, [ebp + 12]\r
    mov     ecx, [ebp + 16]\r
    cpuid\r
    push    ecx\r
    mov     ecx, [ebp + 20]\r
    jecxz   @F\r
    mov     [ecx], eax\r
@@:\r
    mov     ecx, [ebp + 24]\r
    jecxz   @F\r
    mov     [ecx], ebx\r
@@:\r
    mov     ecx, [ebp + 28]\r
    jecxz   @F\r
    pop     [ecx]\r
@@:\r
    mov     edx, [ebp + 32]\r
    jecxz   @F\r
    mov     [ecx], edx\r
@@:\r
    mov     eax, [ebp + 12]\r
    leave\r
    ret\r
AsmCpuidEx  ENDP\r

    END