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| author | jake <jake@FreeBSD.org> | 2002-07-30 04:19:07 +0000 |
|---|---|---|
| committer | jake <jake@FreeBSD.org> | 2002-07-30 04:19:07 +0000 |
| commit | d8a2beb66033fa69770659675131ff9afc977780 (patch) | |
| tree | 06cb50b698d9a36b50b9aa7839c0352a296dd6ee | |
| parent | 6d477ea5859cb94e8e1579728112ed797dd61ff8 (diff) | |
| download | FreeBSD-src-d8a2beb66033fa69770659675131ff9afc977780.zip FreeBSD-src-d8a2beb66033fa69770659675131ff9afc977780.tar.gz | |
Panic if the data cache has too many virtual colors (more than 2).
| -rw-r--r-- | sys/sparc64/sparc64/cache.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/sys/sparc64/sparc64/cache.c b/sys/sparc64/sparc64/cache.c index 912662e..821b599 100644 --- a/sys/sparc64/sparc64/cache.c +++ b/sys/sparc64/sparc64/cache.c @@ -207,6 +207,8 @@ cache_init(phandle_t node) cache.dc_l2size = ffs(cache.dc_size) - 1; if ((cache.dc_size & ~(1UL << cache.dc_l2size)) != 0) panic("cache_init: D$ size not a power of 2"); + if (((cache.dc_size / cache.dc_assoc) / PAGE_SIZE) != DCACHE_COLORS) + panic("cache_init: too many D$ colors"); if (cache.dc_assoc != 1) panic("cache_init: D$ is not directly mapped!"); set = cache.ec_size / cache.ec_assoc; |
