diff options
| -rw-r--r-- | compiler-rt/lib/builtins/clear_cache.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/compiler-rt/lib/builtins/clear_cache.c b/compiler-rt/lib/builtins/clear_cache.c index 76dc1968cc7..079b245c3fa 100644 --- a/compiler-rt/lib/builtins/clear_cache.c +++ b/compiler-rt/lib/builtins/clear_cache.c @@ -173,6 +173,16 @@ void __clear_cache(void *start, void *end) { for (uintptr_t line = start_line; line < end_line; line += line_size) __asm__ volatile("icbi 0, %0" : : "r"(line)); __asm__ volatile("isync"); +#elif defined(__sparc__) + const size_t dword_size = 8; + const size_t len = (uintptr_t)end - (uintptr_t)start; + + const uintptr_t mask = ~(dword_size - 1); + const uintptr_t start_dword = ((uintptr_t)start) & mask; + const uintptr_t end_dword = ((uintptr_t)start + len + dword_size - 1) & mask; + + for (uintptr_t dword = start_dword; dword < end_dword; dword += dword_size) + __asm__ volatile("flush %0" : : "r"(dword)); #else #if __APPLE__ // On Darwin, sys_icache_invalidate() provides this functionality |
