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;------------------------------------------------------------------------------
;
; Copyright (c) 2014, 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.
;
; Abstract:
;
; Provide macro for register save/restore using SSE registers
;
;------------------------------------------------------------------------------
;
; Define SSE instruction set
;
IFDEF USE_SSE41_FLAG
;
; Define SSE macros using SSE 4.1 instructions
;
SXMMN MACRO XMM, IDX, REG
pinsrd XMM, REG, (IDX AND 3)
ENDM
LXMMN MACRO XMM, REG, IDX
pextrd REG, XMM, (IDX AND 3)
ENDM
ELSE
;
; Define SSE macros using SSE 2 instructions
;
SXMMN MACRO XMM, IDX, REG
pinsrw XMM, REG, (IDX AND 3) * 2
ror REG, 16
pinsrw XMM, REG, (IDX AND 3) * 2 + 1
rol REG, 16
ENDM
LXMMN MACRO XMM, REG, IDX
pshufd XMM, XMM, (0E4E4E4h SHR (IDX * 2)) AND 0FFh
movd REG, XMM
pshufd XMM, XMM, (0E4E4E4h SHR (IDX * 2 + (IDX AND 1) * 4)) AND 0FFh
ENDM
ENDIF
SAVE_REGS MACRO
SXMMN xmm7, 0, ebp
SXMMN xmm7, 1, ebx
SXMMN xmm7, 2, esi
SXMMN xmm7, 3, edi
SAVE_ESP
ENDM
LOAD_REGS MACRO
LXMMN xmm7, ebp, 0
LXMMN xmm7, ebx, 1
LXMMN xmm7, esi, 2
LXMMN xmm7, edi, 3
LOAD_ESP
ENDM
LOAD_EAX MACRO
LXMMN xmm6, eax, 1
ENDM
SAVE_EAX MACRO
SXMMN xmm6, 1, eax
ENDM
LOAD_EDX MACRO
LXMMN xmm6, edx, 2
ENDM
SAVE_EDX MACRO
SXMMN xmm6, 2, edx
ENDM
SAVE_ECX MACRO
SXMMN xmm6, 3, ecx
ENDM
LOAD_ECX MACRO
LXMMN xmm6, ecx, 3
ENDM
SAVE_ESP MACRO
SXMMN xmm6, 0, esp
ENDM
LOAD_ESP MACRO
movd esp, xmm6
ENDM
ENABLE_SSE MACRO
mov eax, cr4
or eax, 00000600h
mov cr4, eax
ENDM
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