diff options
Diffstat (limited to 'MdePkg/Library/BaseLib/Ia32/DisableCache.S')
-rw-r--r-- | MdePkg/Library/BaseLib/Ia32/DisableCache.S | 39 |
1 files changed, 0 insertions, 39 deletions
diff --git a/MdePkg/Library/BaseLib/Ia32/DisableCache.S b/MdePkg/Library/BaseLib/Ia32/DisableCache.S deleted file mode 100644 index 5f86da4494..0000000000 --- a/MdePkg/Library/BaseLib/Ia32/DisableCache.S +++ /dev/null @@ -1,39 +0,0 @@ -#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2008, 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.
-#
-# Module Name:
-#
-# DisableCache.S
-#
-# Abstract:
-#
-# Set the CD bit of CR0 to 1, clear the NW bit of CR0 to 0, and flush all caches with a
-# WBINVD instruction.
-#
-# Notes:
-#
-#------------------------------------------------------------------------------
-
-#------------------------------------------------------------------------------
-# VOID
-# EFIAPI
-# AsmDisableCache (
-# VOID
-# );
-#------------------------------------------------------------------------------
-ASM_GLOBAL ASM_PFX(AsmDisableCache)
-ASM_PFX(AsmDisableCache):
- movl %cr0, %eax
- btsl $30, %eax
- btrl $29, %eax
- movl %eax, %cr0
- wbinvd
- ret
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