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arch/x86_64:use UP_DSB, UP_DMB, UP_ISB as barrier standard API

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Signed-off-by: lipengfei28 <lipengfei28@xiaomi.com>
This commit is contained in:
lipengfei28
2024-12-17 17:27:43 +08:00
committed by Xiang Xiao
parent 6949c82310
commit e39cb350f1
3 changed files with 35 additions and 5 deletions
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arch/x86_64/include/barriers.h
+31
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@@ -0,0 +1,31 @@
/****************************************************************************
* arch/x86_64/include/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_X86_64_INCLUDE_BARRIERS_H
#define __ARCH_X86_64_INCLUDE_BARRIERS_H
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
#define UP_DSB() __asm__ __volatile__ ("mfence")
#define UP_DMB() __asm__ __volatile__ ("mfence")
#endif /* __ARCH_X86_64_INCLUDE_BARRIERS_H */
arch/x86_64/include/spinlock.h
+2 -3
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@@ -31,6 +31,8 @@
# include <stdint.h> # include <stdint.h>
#endif /* __ASSEMBLY__ */ #endif /* __ASSEMBLY__ */
#include <arch/barriers.h>
/**************************************************************************** /****************************************************************************
* Pre-processor Definitions * Pre-processor Definitions
****************************************************************************/ ****************************************************************************/
@@ -57,9 +59,6 @@
* *
*/ */
#define UP_DSB() __asm__ __volatile__ ("mfence")
#define UP_DMB() __asm__ __volatile__ ("mfence")
/**************************************************************************** /****************************************************************************
* Public Types * Public Types
****************************************************************************/ ****************************************************************************/
arch/x86_64/src/common/x86_64_pgalloc.c
+2 -2
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@@ -121,7 +121,7 @@ uintptr_t x86_64_get_pgtable(arch_addrenv_t *addrenv, uintptr_t vaddr)
/* Flush the data cache, so the changes are committed to memory */ /* Flush the data cache, so the changes are committed to memory */
SP_DMB(); UP_DMB();
return paddr; return paddr;
} }
@@ -226,7 +226,7 @@ uintptr_t pgalloc(uintptr_t brkaddr, unsigned int npages)
/* Flush the data cache, so the changes are committed to memory */ /* Flush the data cache, so the changes are committed to memory */
SP_DMB(); UP_DMB();
return brkaddr; return brkaddr;
} }