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system: add membarrier() function for compiler memory barrier

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Change-Id: I27be9b635bdabee523e56dd0c2245812cb7647eb
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Aidan MacDonald 2025-12-30 15:19:01 +00:00 • committed by Solomon Peachy
parent 87bf6b4ebb
commit ed1f34af75
1 changed files with 5 additions and 0 deletions
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5
firmware/export/system.h
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@ -217,6 +217,11 @@ enum {
#include "bitswap.h"
#include "rbendian.h"
/* Compiler memory barrier */
#ifndef membarrier
# define membarrier() asm volatile("" ::: "memory")
#endif
#ifndef ASSERT_CPU_MODE
/* Very useful to have defined properly for your architecture */
#define ASSERT_CPU_MODE(mode, rstatus...) \