diff options
Diffstat (limited to 'MdePkg/Library/BaseLib/Arm/CpuPause.asm')
-rw-r--r-- | MdePkg/Library/BaseLib/Arm/CpuPause.asm | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/MdePkg/Library/BaseLib/Arm/CpuPause.asm b/MdePkg/Library/BaseLib/Arm/CpuPause.asm new file mode 100644 index 000000000000..22f3e0646c20 --- /dev/null +++ b/MdePkg/Library/BaseLib/Arm/CpuPause.asm @@ -0,0 +1,41 @@ +;------------------------------------------------------------------------------ +; +; CpuPause() for ARM +; +; Copyright (c) 2006 - 2009, Intel Corporation. All rights reserved.<BR> +; Portions copyright (c) 2008 - 2009, Apple Inc. 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. +; +;------------------------------------------------------------------------------ + + EXPORT CpuPause + AREA cpu_pause, CODE, READONLY + +;/** +; Requests CPU to pause for a short period of time. +; +; Requests CPU to pause for a short period of time. Typically used in MP +; systems to prevent memory starvation while waiting for a spin lock. +; +;**/ +;VOID +;EFIAPI +;CpuPause ( +; VOID +; ); +; +CpuPause + NOP + NOP + NOP + NOP + NOP + BX LR + + END |