diff options
Diffstat (limited to 'compiler-rt')
-rw-r--r-- | compiler-rt/lib/builtins/clear_cache.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/compiler-rt/lib/builtins/clear_cache.c b/compiler-rt/lib/builtins/clear_cache.c index f92ef1cd48e..9dcab344ad1 100644 --- a/compiler-rt/lib/builtins/clear_cache.c +++ b/compiler-rt/lib/builtins/clear_cache.c @@ -163,12 +163,14 @@ void __clear_cache(void *start, void *end) { * uintptr_t in case this runs in an IPL32 environment. */ const size_t dcache_line_size = 4 << ((ctr_el0 >> 16) & 15); - for (addr = xstart; addr < xend; addr += dcache_line_size) + for (addr = xstart & ~(dcache_line_size - 1); addr < xend; + addr += dcache_line_size) __asm __volatile("dc cvau, %0" :: "r"(addr)); __asm __volatile("dsb ish"); const size_t icache_line_size = 4 << ((ctr_el0 >> 0) & 15); - for (addr = xstart; addr < xend; addr += icache_line_size) + for (addr = xstart & ~(icache_line_size - 1); addr < xend; + addr += icache_line_size) __asm __volatile("ic ivau, %0" :: "r"(addr)); __asm __volatile("isb sy"); #elif defined (__powerpc64__) |