luchianmihai/walnux
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

arch/arm: Add missing barriers.h

Browse source 
This commit adds the missing `barriers.h` for arm.

Signed-off-by: v-tangmeng <v-tangmeng@xiaomi.com>
This commit is contained in:
v-tangmeng 2025-08-21 11:31:18 +08:00 • committed by Alan C. Assis
parent 8f5c0d5da3
commit 7e258621df
1 changed files with 42 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

42
arch/arm/include/arm/barriers.h Normal file
View file

@ -0,0 +1,42 @@
/****************************************************************************
* arch/arm/include/arm/barriers.h
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
****************************************************************************/
#ifndef __ARCH_ARM_INCLUDE_ARM_BARRIERS_H
#define __ARCH_ARM_INCLUDE_ARM_BARRIERS_H
/****************************************************************************
* Included Files
****************************************************************************/
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
/* ARM memory barriers */
#define arm_dsb() __asm__ __volatile__ ("dsb " : : : "memory")
#define arm_isb() __asm__ __volatile__ ("isb " : : : "memory")
#define arm_dmb() __asm__ __volatile__ ("dmb " : : : "memory")
#define UP_DSB() arm_dsb()
#define UP_ISB() arm_isb()
#define UP_DMB() arm_dmb()
#endif /* __ARCH_ARM_INCLUDE_ARM_BARRIERS_H */