audk/MdePkg/Library/BaseLib/Ia32/CpuIdEx.nasm
Michael D Kinney 9344f09215 MdePkg: Replace BSD License with BSD+Patent License
https://bugzilla.tianocore.org/show_bug.cgi?id=1373

Replace BSD 2-Clause License with BSD+Patent License.  This change is
based on the following emails:

  https://lists.01.org/pipermail/edk2-devel/2019-February/036260.html
  https://lists.01.org/pipermail/edk2-devel/2018-October/030385.html

RFCs with detailed process for the license change:

  V3: https://lists.01.org/pipermail/edk2-devel/2019-March/038116.html
  V2: https://lists.01.org/pipermail/edk2-devel/2019-March/037669.html
  V1: https://lists.01.org/pipermail/edk2-devel/2019-March/037500.html

Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Michael D Kinney <michael.d.kinney@intel.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>
2019-04-09 10:58:13 -07:00

62 lines
1.4 KiB
NASM

;------------------------------------------------------------------------------
;
; Copyright (c) 2006 - 2013, Intel Corporation. All rights reserved.<BR>
; SPDX-License-Identifier: BSD-2-Clause-Patent
;
; Module Name:
;
; CpuIdEx.Asm
;
; Abstract:
;
; AsmCpuidEx function
;
; Notes:
;
;------------------------------------------------------------------------------
SECTION .text
;------------------------------------------------------------------------------
; UINT32
; EFIAPI
; AsmCpuidEx (
; IN UINT32 RegisterInEax,
; IN UINT32 RegisterInEcx,
; OUT UINT32 *RegisterOutEax OPTIONAL,
; OUT UINT32 *RegisterOutEbx OPTIONAL,
; OUT UINT32 *RegisterOutEcx OPTIONAL,
; OUT UINT32 *RegisterOutEdx OPTIONAL
; )
;------------------------------------------------------------------------------
global ASM_PFX(AsmCpuidEx)
ASM_PFX(AsmCpuidEx):
push ebx
push ebp
mov ebp, esp
mov eax, [ebp + 12]
mov ecx, [ebp + 16]
cpuid
push ecx
mov ecx, [ebp + 20]
jecxz .0
mov [ecx], eax
.0:
mov ecx, [ebp + 24]
jecxz .1
mov [ecx], ebx
.1:
mov ecx, [ebp + 32]
jecxz .2
mov [ecx], edx
.2:
mov ecx, [ebp + 28]
jecxz .3
pop DWORD [ecx]
.3:
mov eax, [ebp + 12]
leave
pop ebx
ret