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authorPaul Mundt <lethal@linux-sh.org>2009-08-04 18:06:01 +0900
committerPaul Mundt <lethal@linux-sh.org>2009-08-04 18:06:01 +0900
commit817425275271f2514f0dc6952182aa057ce80973 (patch)
tree09c32a42c4700bc0cf7ea31a232a17c45d1e0824 /arch/sh/mm/cache-sh4.c
parentd14d751ff9234595639a16e53b3cf0c575946bde (diff)
sh: Split out SH-4 __flush_xxx_region() ops.
This splits out the SH-4 __flush_xxx_region() functions and defines them as weak symbols. This allows us to provide optimized versions without having to ifdef cache-sh4.c to death. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch/sh/mm/cache-sh4.c')
-rw-r--r--arch/sh/mm/cache-sh4.c60
1 files changed, 0 insertions, 60 deletions
diff --git a/arch/sh/mm/cache-sh4.c b/arch/sh/mm/cache-sh4.c
index c3a09b27f8d..dfc1d037947 100644
--- a/arch/sh/mm/cache-sh4.c
+++ b/arch/sh/mm/cache-sh4.c
@@ -119,66 +119,6 @@ void __init p3_cache_init(void)
}
/*
- * Write back the dirty D-caches, but not invalidate them.
- *
- * START: Virtual Address (U0, P1, or P3)
- * SIZE: Size of the region.
- */
-void __flush_wback_region(void *start, int size)
-{
- unsigned long v;
- unsigned long begin, end;
-
- begin = (unsigned long)start & ~(L1_CACHE_BYTES-1);
- end = ((unsigned long)start + size + L1_CACHE_BYTES-1)
- & ~(L1_CACHE_BYTES-1);
- for (v = begin; v < end; v+=L1_CACHE_BYTES) {
- asm volatile("ocbwb %0"
- : /* no output */
- : "m" (__m(v)));
- }
-}
-
-/*
- * Write back the dirty D-caches and invalidate them.
- *
- * START: Virtual Address (U0, P1, or P3)
- * SIZE: Size of the region.
- */
-void __flush_purge_region(void *start, int size)
-{
- unsigned long v;
- unsigned long begin, end;
-
- begin = (unsigned long)start & ~(L1_CACHE_BYTES-1);
- end = ((unsigned long)start + size + L1_CACHE_BYTES-1)
- & ~(L1_CACHE_BYTES-1);
- for (v = begin; v < end; v+=L1_CACHE_BYTES) {
- asm volatile("ocbp %0"
- : /* no output */
- : "m" (__m(v)));
- }
-}
-
-/*
- * No write back please
- */
-void __flush_invalidate_region(void *start, int size)
-{
- unsigned long v;
- unsigned long begin, end;
-
- begin = (unsigned long)start & ~(L1_CACHE_BYTES-1);
- end = ((unsigned long)start + size + L1_CACHE_BYTES-1)
- & ~(L1_CACHE_BYTES-1);
- for (v = begin; v < end; v+=L1_CACHE_BYTES) {
- asm volatile("ocbi %0"
- : /* no output */
- : "m" (__m(v)));
- }
-}
-
-/*
* Write back the range of D-cache, and purge the I-cache.
*
* Called from kernel/module.c:sys_init_module and routine for a.out format,