IntelFspPkg/FspSecCore/Ia32/SaveRestoreSse.inc

   1 ;------------------------------------------------------------------------------
   2 ;
   3 ; Copyright (c) 2014, Intel Corporation. All rights reserved.<BR>
   4 ; This program and the accompanying materials
   5 ; are licensed and made available under the terms and conditions of the BSD License
   6 ; which accompanies this distribution.  The full text of the license may be found at
   7 ; http://opensource.org/licenses/bsd-license.php.
   8 ;
   9 ; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  10 ; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  11 ;
  12 ; Abstract:
  13 ;
  14 ;   Provide macro for register save/restore using SSE registers
  15 ;
  16 ;------------------------------------------------------------------------------
  17
  18 ;
  19 ; Define SSE instruction set
  20 ;
  21 IFDEF USE_SSE41_FLAG
  22 ;
  23 ; Define SSE macros using SSE 4.1 instructions
  24 ;
  25 SXMMN        MACRO   XMM, IDX, REG
  26              pinsrd  XMM, REG, (IDX AND 3)
  27              ENDM
  28
  29 LXMMN        MACRO   XMM, REG, IDX
  30              pextrd  REG, XMM, (IDX AND 3)
  31              ENDM
  32 ELSE
  33 ;
  34 ; Define SSE macros using SSE 2 instructions
  35 ;
  36 SXMMN        MACRO   XMM, IDX, REG
  37              pinsrw  XMM, REG, (IDX AND 3) * 2
  38              ror     REG, 16
  39              pinsrw  XMM, REG, (IDX AND 3) * 2 + 1
  40              rol     REG, 16
  41              ENDM
  42
  43 LXMMN        MACRO   XMM, REG, IDX
  44              pshufd  XMM, XMM,  (0E4E4E4h SHR (IDX * 2))  AND 0FFh
  45              movd    REG, XMM
  46              pshufd  XMM, XMM,  (0E4E4E4h SHR (IDX * 2 + (IDX AND 1) * 4)) AND 0FFh
  47              ENDM
  48 ENDIF
  49
  50
  51 SAVE_REGS    MACRO
  52   SXMMN      xmm7, 0, ebp
  53   SXMMN      xmm7, 1, ebx
  54   SXMMN      xmm7, 2, esi
  55   SXMMN      xmm7, 3, edi
  56   SAVE_ESP
  57              ENDM
  58
  59 LOAD_REGS    MACRO
  60   LXMMN      xmm7, ebp, 0
  61   LXMMN      xmm7, ebx, 1
  62   LXMMN      xmm7, esi, 2
  63   LXMMN      xmm7, edi, 3
  64   LOAD_ESP
  65              ENDM
  66
  67 LOAD_EAX     MACRO
  68   LXMMN      xmm6, eax, 1
  69              ENDM
  70
  71 SAVE_EAX     MACRO
  72   SXMMN      xmm6, 1, eax
  73              ENDM
  74
  75 LOAD_EDX     MACRO
  76   LXMMN      xmm6, edx, 2
  77              ENDM
  78
  79 SAVE_EDX     MACRO
  80   SXMMN      xmm6, 2, edx
  81              ENDM
  82
  83 SAVE_ECX     MACRO
  84   SXMMN      xmm6, 3, ecx
  85              ENDM
  86
  87 LOAD_ECX     MACRO
  88   LXMMN      xmm6, ecx, 3
  89              ENDM
  90
  91 SAVE_ESP     MACRO
  92   SXMMN      xmm6, 0, esp
  93              ENDM
  94
  95 LOAD_ESP     MACRO
  96   movd       esp,  xmm6
  97              ENDM
  98
  99 ENABLE_SSE   MACRO
 100   mov        eax, cr4
 101   or         eax, 00000600h
 102   mov        cr4, eax
 103              ENDM