diff options
| author | Jordan Justen <jordan.l.justen@intel.com> | 2016-05-30 18:52:00 -0700 |
|---|---|---|
| committer | Liming Gao <liming.gao@intel.com> | 2016-06-28 09:49:30 +0800 |
| commit | c1d82295759710ca0b408edba374468efdada891 (patch) | |
| tree | 4293a4050ba75e7e79c263a0a5d8e974fb55889e /MdePkg/Library/BaseLib | |
| parent | a91d8309afc89fc5e823a6b324cb956ded5be9af (diff) | |
| download | edk2-platforms-c1d82295759710ca0b408edba374468efdada891.tar.xz | |
MdePkg BaseLib: Convert X64/DisableCache.asm to NASM
The BaseTools/Scripts/ConvertMasmToNasm.py script was used to convert
X64/DisableCache.asm to X64/DisableCache.nasm
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Jordan Justen <jordan.l.justen@intel.com>
Diffstat (limited to 'MdePkg/Library/BaseLib')
| -rw-r--r-- | MdePkg/Library/BaseLib/BaseLib.inf | 2 | ||||
| -rw-r--r-- | MdePkg/Library/BaseLib/X64/DisableCache.nasm | 43 |
2 files changed, 45 insertions, 0 deletions
diff --git a/MdePkg/Library/BaseLib/BaseLib.inf b/MdePkg/Library/BaseLib/BaseLib.inf index 896e7ba521..51e310303d 100644 --- a/MdePkg/Library/BaseLib/BaseLib.inf +++ b/MdePkg/Library/BaseLib/BaseLib.inf @@ -441,6 +441,7 @@ X64/SwitchStack.asm
X64/EnableCache.nasm
X64/EnableCache.asm
+ X64/DisableCache.nasm
X64/DisableCache.asm
X64/CpuBreakpoint.c | MSFT
@@ -623,6 +624,7 @@ X64/CpuIdEx.S | GCC
X64/EnableCache.nasm| GCC
X64/EnableCache.S | GCC
+ X64/DisableCache.nasm| GCC
X64/DisableCache.S | GCC
X64/RdRand.S | GCC
ChkStkGcc.c | GCC
diff --git a/MdePkg/Library/BaseLib/X64/DisableCache.nasm b/MdePkg/Library/BaseLib/X64/DisableCache.nasm new file mode 100644 index 0000000000..36cd8897ab --- /dev/null +++ b/MdePkg/Library/BaseLib/X64/DisableCache.nasm @@ -0,0 +1,43 @@ +;------------------------------------------------------------------------------
+;
+; 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.Asm
+;
+; 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:
+;
+;------------------------------------------------------------------------------
+
+ DEFAULT REL
+ SECTION .text
+
+;------------------------------------------------------------------------------
+; VOID
+; EFIAPI
+; AsmDisableCache (
+; VOID
+; );
+;------------------------------------------------------------------------------
+global ASM_PFX(AsmDisableCache)
+ASM_PFX(AsmDisableCache):
+ mov rax, cr0
+ bts rax, 30
+ btr rax, 29
+ mov cr0, rax
+ wbinvd
+ ret
+
|