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new 7e258621dfe arch/arm: Add missing barriers.h
7e258621dfe is described below
commit 7e258621dfe08c84cbcf4f084d7fb7ee65bd1ebe
Author: v-tangmeng <v-tangm...@xiaomi.com>
AuthorDate: Thu Aug 21 11:31:18 2025 +0800
arch/arm: Add missing barriers.h
This commit adds the missing `barriers.h` for arm.
Signed-off-by: v-tangmeng <v-tangm...@xiaomi.com>
---
arch/arm/include/arm/barriers.h | 42 +++++++++++++++++++++++++++++++++++++++++
1 file changed, 42 insertions(+)
diff --git a/arch/arm/include/arm/barriers.h b/arch/arm/include/arm/barriers.h
new file mode 100644
index 00000000000..7cbabbc036c
--- /dev/null
+++ b/arch/arm/include/arm/barriers.h
@@ -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 */
