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cache: fix up_clean_dcache() slowly

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Signed-off-by: ligd <liguiding1@xiaomi.com>
This commit is contained in:
ligd 2022-08-09 14:17:48 +08:00 • committed by Petro Karashchenko
parent 10529c7d0a
commit 4c19130d1d
2 changed files with 4 additions and 4 deletions
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4
arch/arm/src/armv7-a/arm_cache.c
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@ -134,7 +134,7 @@ void up_invalidate_icache_all(void)
void up_clean_dcache(uintptr_t start, uintptr_t end)
{
if (cp15_cache_size() < (end - start))
if ((end - start) < cp15_cache_size())
{
cp15_clean_dcache(start, end);
}
@ -198,7 +198,7 @@ void up_clean_dcache_all(void)
void up_flush_dcache(uintptr_t start, uintptr_t end)
{
if (cp15_cache_size() < (end - start))
if ((end - start) < cp15_cache_size())
{
cp15_flush_dcache(start, end);
}

4
arch/arm/src/armv7-r/arm_cache.c
View file

@ -134,7 +134,7 @@ void up_invalidate_icache_all(void)
void up_clean_dcache(uintptr_t start, uintptr_t end)
{
if (cp15_cache_size() < (end - start))
if ((end - start) < cp15_cache_size())
{
cp15_clean_dcache(start, end);
}
@ -198,7 +198,7 @@ void up_clean_dcache_all(void)
void up_flush_dcache(uintptr_t start, uintptr_t end)
{
if (cp15_cache_size() < (end - start))
if ((end - start) < cp15_cache_size())
{
cp15_flush_dcache(start, end);
}