diff options
Diffstat (limited to 'util/cacheinfo.c')
| -rw-r--r-- | util/cacheinfo.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/util/cacheinfo.c b/util/cacheinfo.c index db5172d07c..3cd080b83d 100644 --- a/util/cacheinfo.c +++ b/util/cacheinfo.c @@ -7,9 +7,13 @@ */ #include "qemu/osdep.h" +#include "qemu/host-utils.h" +#include "qemu/atomic.h" int qemu_icache_linesize = 0; +int qemu_icache_linesize_log; int qemu_dcache_linesize = 0; +int qemu_dcache_linesize_log; /* * Operating system specific detection mechanisms. @@ -172,6 +176,13 @@ static void __attribute__((constructor)) init_cache_info(void) arch_cache_info(&isize, &dsize); fallback_cache_info(&isize, &dsize); + assert((isize & (isize - 1)) == 0); + assert((dsize & (dsize - 1)) == 0); + qemu_icache_linesize = isize; + qemu_icache_linesize_log = ctz32(isize); qemu_dcache_linesize = dsize; + qemu_dcache_linesize_log = ctz32(dsize); + + atomic64_init(); } |