Update the copyright notice format

[mirror_edk2.git] / EdkCompatibilityPkg / Foundation / Cpu / Pentium / CpuIA32Lib / IA32 / CpuIA32.c

/*++\r
\r
Copyright (c) 2006, Intel Corporation. All rights reserved.<BR>\r
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
Module Name:\r
\r
  CpuIA32.c\r
\r
Abstract:\r
\r
--*/\r
\r
#include "CpuIA32.h"\r
\r
VOID\r
EfiHalt (VOID)\r
{\r
  __asm {\r
    hlt\r
  }\r
}\r
\r
VOID\r
EfiWbinvd (VOID)\r
{\r
  __asm {\r
    wbinvd\r
  }\r
}\r
\r
VOID\r
EfiInvd (VOID)\r
{\r
  __asm {\r
    invd\r
  }\r
}\r
\r
VOID\r
EfiCpuid (IN UINT32 RegisterInEax,\r
          OUT EFI_CPUID_REGISTER *Reg OPTIONAL)\r
{\r
  __asm {\r
    pushad\r
\r
    mov    eax, RegisterInEax\r
    cpuid\r
    cmp    Reg, 0\r
    je     _Exit\r
    mov    edi, DWORD PTR Reg \r
\r
    mov    DWORD PTR [edi].RegEax, eax   ; Reg->RegEax\r
    mov    DWORD PTR [edi].RegEbx, ebx   ; Reg->RegEbx\r
    mov    DWORD PTR [edi].RegEcx, ecx   ; Reg->RegEcx\r
    mov    DWORD PTR [edi].RegEdx, edx   ; Reg->RegEdx\r
\r
_Exit:\r
     popad\r
  }\r
}\r
\r
UINT64\r
EfiReadMsr (IN UINT32 Index)\r
{\r
  __asm {\r
    mov    ecx, Index\r
    rdmsr\r
  }\r
}\r
\r
VOID\r
EfiWriteMsr (\r
  IN   UINT32  Index,\r
  IN   UINT64  Value\r
  )\r
{\r
  __asm {\r
    mov    ecx, Index\r
    mov    eax, DWORD PTR Value[0]\r
    mov    edx, DWORD PTR Value[4]\r
    wrmsr            \r
  }\r
}\r
\r
UINT64\r
EfiReadTsc (VOID)\r
{\r
  __asm {\r
    rdtsc\r
  }\r
}\r
\r
VOID\r
EfiDisableCache (VOID)\r
{\r
  __asm {\r
    mov   eax, cr0\r
    bswap eax\r
    and   al, 60h\r
    cmp   al, 60h\r
    je    Exit\r
    mov   eax, cr0\r
    or    eax, 060000000h     \r
    mov   cr0, eax\r
    wbinvd\r
Exit:\r
  }\r
}\r
\r
VOID\r
EfiEnableCache (VOID)\r
{\r
  __asm {\r
    invd\r
    mov   eax, cr0\r
    and   eax, 09fffffffh         \r
    mov   cr0, eax\r
  }\r
}\r
\r
UINT32\r
EfiGetEflags (\r
  VOID\r
  )\r
{\r
  __asm {\r
    pushfd\r
    pop  eax\r
  }\r
}\r
\r
VOID\r
EfiDisableInterrupts (VOID)\r
{\r
  __asm {\r
    cli\r
  }\r
}\r
\r
VOID\r
EfiEnableInterrupts (\r
  VOID\r
  )\r
{\r
  __asm {\r
    sti\r
  }\r
}\r
\r
VOID\r
EfiCpuidExt (\r
  IN   UINT32              RegisterInEax,\r
  IN   UINT32              CacheLevel,\r
  OUT  EFI_CPUID_REGISTER  *Regs              \r
  )\r
{\r
  __asm {\r
    pushad\r
\r
    mov    eax, RegisterInEax\r
    mov    ecx, CacheLevel\r
    cpuid\r
    mov    edi, DWORD PTR Regs \r
\r
    mov    DWORD PTR [edi].RegEax, eax   ; Reg->RegEax\r
    mov    DWORD PTR [edi].RegEbx, ebx   ; Reg->RegEbx\r
    mov    DWORD PTR [edi].RegEcx, ecx   ; Reg->RegEcx\r
    mov    DWORD PTR [edi].RegEdx, edx   ; Reg->RegEdx\r
\r
    popad\r
  }\r
}\r