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-rw-r--r--util/cacheinfo.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/util/cacheinfo.c b/util/cacheinfo.c
index db5172d07c..6c8fe797bf 100644
--- a/util/cacheinfo.c
+++ b/util/cacheinfo.c
@@ -7,9 +7,12 @@
*/
#include "qemu/osdep.h"
+#include "qemu/host-utils.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 +175,11 @@ 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);
}