48 lines
2 KiB
C
48 lines
2 KiB
C
/****************************************************************************
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* arch/arm/include/armv7-r/barriers.h
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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#ifndef __ARCH_ARM_INCLUDE_ARMV7_R_BARRIERS_H
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#define __ARCH_ARM_INCLUDE_ARMV7_R_BARRIERS_H
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/****************************************************************************
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* Included Files
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****************************************************************************/
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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/* ARMv7-R memory barriers */
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#define arm_dsb(n) __asm__ __volatile__ ("dsb " #n : : : "memory")
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#define arm_dmb(n) __asm__ __volatile__ ("dmb " #n : : : "memory")
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#define arm_isb() __asm__ __volatile__ ("isb " : : : "memory")
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#define arm_nop() __asm__ __volatile__ ("nop\n")
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#define arm_sev() __asm__ __volatile__ ("sev\n")
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#define UP_DSB() arm_dsb(15)
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#define UP_DMB() arm_dmb(15)
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#define UP_ISB() arm_isb()
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#define UP_NOP() arm_nop()
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#define UP_SEV() arm_sev()
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#endif /* __ARCH_ARM_INCLUDE_ARMV7_R_BARRIERS_H */
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