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/CpuPause.asm | |
| parent | e02cda008591317b1625707ff8e115a4841aa889 (diff) | |
Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
Diffstat (limited to 'roms/edk2/MdePkg/Library/BaseLib/Arm/CpuPause.asm')
| -rw-r--r-- | roms/edk2/MdePkg/Library/BaseLib/Arm/CpuPause.asm | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/roms/edk2/MdePkg/Library/BaseLib/Arm/CpuPause.asm b/roms/edk2/MdePkg/Library/BaseLib/Arm/CpuPause.asm new file mode 100644 index 000000000..a16223c7f --- /dev/null +++ b/roms/edk2/MdePkg/Library/BaseLib/Arm/CpuPause.asm @@ -0,0 +1,35 @@ +;------------------------------------------------------------------------------
+;
+; CpuPause() 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 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
|