diff options
| author |   Angelos Mouzakitis <a.mouzakitis@virtualopensystems.com> | 2023-10-10 14:33:42 +0000 |
|---|---|---|
| committer | Angelos Mouzakitis <a.mouzakitis@virtualopensystems.com> | 2023-10-10 14:33:42 +0000 |
| commit | af1a266670d040d2f4083ff309d732d648afba2a (patch) | |
| tree | 2fc46203448ddcc6f81546d379abfaeb323575e9 /roms/edk2/MdePkg/Library/BaseLib/Arm/DisableInterrupts.asm | |
| parent | e02cda008591317b1625707ff8e115a4841aa889 (diff) | |
Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
Diffstat (limited to 'roms/edk2/MdePkg/Library/BaseLib/Arm/DisableInterrupts.asm')
| -rw-r--r-- | roms/edk2/MdePkg/Library/BaseLib/Arm/DisableInterrupts.asm | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/roms/edk2/MdePkg/Library/BaseLib/Arm/DisableInterrupts.asm b/roms/edk2/MdePkg/Library/BaseLib/Arm/DisableInterrupts.asm new file mode 100644 index 000000000..e4e90b5f7 --- /dev/null +++ b/roms/edk2/MdePkg/Library/BaseLib/Arm/DisableInterrupts.asm @@ -0,0 +1,31 @@ +;------------------------------------------------------------------------------
+;
+; DisableInterrupts() for ARM
+;
+; Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
+; Portions copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>
+; SPDX-License-Identifier: BSD-2-Clause-Patent
+;
+;------------------------------------------------------------------------------
+
+ 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
|