diff options
| -rw-r--r-- | payloads/libpayload/arch/arm/cache.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/payloads/libpayload/arch/arm/cache.c b/payloads/libpayload/arch/arm/cache.c index 63715bc5a6..15cbf0a8d6 100644 --- a/payloads/libpayload/arch/arm/cache.c +++ b/payloads/libpayload/arch/arm/cache.c @@ -144,7 +144,15 @@ void dcache_mmu_enable(void) void cache_sync_instructions(void) { - dcache_clean_all(); /* includes trailing DSB (in assembly) */ + uint32_t sctlr; + + sctlr = read_sctlr(); + + if (sctlr & SCTLR_C) + dcache_clean_all(); + else if (sctlr & SCTLR_I) + dcache_clean_invalidate_all(); + iciallu(); /* includes BPIALLU (architecturally) */ dsb(); isb(); |