diff options
Diffstat (limited to 'sys/arch/powerpc/stand/cache.c')
| -rw-r--r-- | sys/arch/powerpc/stand/cache.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/sys/arch/powerpc/stand/cache.c b/sys/arch/powerpc/stand/cache.c new file mode 100644 index 00000000000..c40dead4394 --- /dev/null +++ b/sys/arch/powerpc/stand/cache.c @@ -0,0 +1,22 @@ +#define CACHELINESIZE 32 /* For now XXX */ + +void +syncicache(from, len) + void *from; + int len; +{ + int l = len; + void *p = from; + + do { + asm volatile ("dcbst 0,%0" :: "r"(p)); + p += CACHELINESIZE; + } while ((l -= CACHELINESIZE) > 0); + asm volatile ("sync"); + do { + asm volatile ("icbi 0,%0" :: "r"(from)); + from += CACHELINESIZE; + } while ((len -= CACHELINESIZE) > 0); + asm volatile ("isync"); +} + |