diff options
Diffstat (limited to 'MdePkg/Library/BaseLib/Arm/DisableInterrupts.asm')
| -rw-r--r-- | MdePkg/Library/BaseLib/Arm/DisableInterrupts.asm | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/MdePkg/Library/BaseLib/Arm/DisableInterrupts.asm b/MdePkg/Library/BaseLib/Arm/DisableInterrupts.asm new file mode 100644 index 0000000000..71adb1c7a5 --- /dev/null +++ b/MdePkg/Library/BaseLib/Arm/DisableInterrupts.asm @@ -0,0 +1,37 @@ +;------------------------------------------------------------------------------ +; +; DisableInterrupts() for ARM +; +; Copyright (c) 2006 - 2009, Intel Corporation<BR> +; Portions copyright (c) 2008-2009 Apple Inc.<BR> +; All rights reserved. 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 DisableInterrupts + + AREA Interrupt_disable, CODE, READONLY + +;/** +; Disables CPU interrupts. +; +;**/ +;VOID +;EFIAPI +;DisableInterrupts ( +; VOID +; ); +; +DisableInterrupts + MRS R0,CPSR + ORR R0,R0,#0x80 ;Disable IRQ interrupts + MSR CPSR_c,R0 + BX LR + + END |