diff options
Diffstat (limited to 'payloads/libpayload/arch/arm64/cache.c')
| -rw-r--r-- | payloads/libpayload/arch/arm64/cache.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/payloads/libpayload/arch/arm64/cache.c b/payloads/libpayload/arch/arm64/cache.c index 0755c56731..2d42522588 100644 --- a/payloads/libpayload/arch/arm64/cache.c +++ b/payloads/libpayload/arch/arm64/cache.c @@ -119,7 +119,11 @@ void dcache_invalidate_by_mva(void const *addr, size_t len) void cache_sync_instructions(void) { - dcache_clean_all(); /* includes trailing DSB (in assembly) */ + uint32_t sctlr = raw_read_sctlr_current(); + if (sctlr & SCTLR_C) + dcache_clean_all(); /* includes trailing DSB (assembly) */ + else if (sctlr & SCTLR_I) + dcache_clean_invalidate_all(); icache_invalidate_all(); /* includes leading DSB and trailing ISB */ } |