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commit 3477c347e805c74e3879b408156dbc817f9cd45a Author: ligd <[email protected]> AuthorDate: Fri Sep 16 23:29:37 2022 +0800 armv7a/r: add isb to cp15_invalidate_icache() Incase invalidate_icache hasn't done Signed-off-by: ligd <[email protected]> --- arch/arm/src/armv7-a/cp15_cacheops.h | 2 ++ arch/arm/src/armv7-r/cp15_cacheops.h | 2 ++ 2 files changed, 4 insertions(+) diff --git a/arch/arm/src/armv7-a/cp15_cacheops.h b/arch/arm/src/armv7-a/cp15_cacheops.h index cf827c88d8..63a495a4d6 100644 --- a/arch/arm/src/armv7-a/cp15_cacheops.h +++ b/arch/arm/src/armv7-a/cp15_cacheops.h @@ -339,6 +339,7 @@ .macro cp15_invalidate_icache, tmp mov \tmp, #0 mrc p15, 0, \tmp, c7, c5, 0 /* ICIALLU */ + isb .endm /**************************************************************************** @@ -679,6 +680,7 @@ static inline void cp15_invalidate_btb_inner_sharable(void) static inline void cp15_invalidate_icache(void) { CP15_SET(ICIALLU, 0); + ARM_ISB(); } /**************************************************************************** diff --git a/arch/arm/src/armv7-r/cp15_cacheops.h b/arch/arm/src/armv7-r/cp15_cacheops.h index 1be45e32e4..dca33154e3 100644 --- a/arch/arm/src/armv7-r/cp15_cacheops.h +++ b/arch/arm/src/armv7-r/cp15_cacheops.h @@ -346,6 +346,7 @@ .macro cp15_invalidate_icache, tmp mov \tmp, #0 mrc p15, 0, \tmp, c7, c5, 0 /* ICIALLU */ + isb .endm /**************************************************************************** @@ -686,6 +687,7 @@ static inline void cp15_invalidate_btb_inner_sharable(void) static inline void cp15_invalidate_icache(void) { CP15_SET(ICIALLU, 0); + ARM_ISB(); } /****************************************************************************
