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author | Paul Mundt <lethal@linux-sh.org> | 2009-08-15 02:00:54 +0900 |
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committer | Paul Mundt <lethal@linux-sh.org> | 2009-08-15 02:00:54 +0900 |
commit | 795687265d1b6f666d02ff56f6c1679a8db160a9 (patch) | |
tree | 9e0de63a1299b24a8d6d1d58d246fb3d7a476926 /arch/sh/mm | |
parent | 43bc61d86f8ea6edef2e02d1dc47617883fa9a9c (diff) | |
download | op-kernel-dev-795687265d1b6f666d02ff56f6c1679a8db160a9.zip op-kernel-dev-795687265d1b6f666d02ff56f6c1679a8db160a9.tar.gz |
sh64: Wire up the shared __flush_xxx_region() flushers.
Now with all of the prep work out of the way, kill off the SH-5 variants
and use the SH-4 version directly. This also takes advantage of the
unrolling that was previously done for the new version.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch/sh/mm')
-rw-r--r-- | arch/sh/mm/Makefile_64 | 2 | ||||
-rw-r--r-- | arch/sh/mm/cache-sh5.c | 48 |
2 files changed, 1 insertions, 49 deletions
diff --git a/arch/sh/mm/Makefile_64 b/arch/sh/mm/Makefile_64 index 2863ffb..66c3910 100644 --- a/arch/sh/mm/Makefile_64 +++ b/arch/sh/mm/Makefile_64 @@ -9,7 +9,7 @@ mmu-$(CONFIG_MMU) := fault_64.o ioremap_64.o tlbflush_64.o tlb-sh5.o \ extable_64.o ifndef CONFIG_CACHE_OFF -obj-y += cache-sh5.o +obj-y += cache-sh5.o flush-sh4.o endif obj-y += $(mmu-y) diff --git a/arch/sh/mm/cache-sh5.c b/arch/sh/mm/cache-sh5.c index 3e2d732..698113f 100644 --- a/arch/sh/mm/cache-sh5.c +++ b/arch/sh/mm/cache-sh5.c @@ -539,54 +539,6 @@ static void sh64_dcache_purge_user_range(struct mm_struct *mm, sh64_dcache_purge_user_pages(mm, start, end); } } - -/* - * Purge the range of addresses from the D-cache. - * - * The addresses lie in the superpage mapping. There's no harm if we - * overpurge at either end - just a small performance loss. - */ -void __flush_purge_region(void *start, int size) -{ - unsigned long long ullend, addr, aligned_start; - - aligned_start = (unsigned long long)(signed long long)(signed long) start; - addr = L1_CACHE_ALIGN(aligned_start); - ullend = (unsigned long long) (signed long long) (signed long) start + size; - - while (addr <= ullend) { - __asm__ __volatile__ ("ocbp %0, 0" : : "r" (addr)); - addr += L1_CACHE_BYTES; - } -} - -void __flush_wback_region(void *start, int size) -{ - unsigned long long ullend, addr, aligned_start; - - aligned_start = (unsigned long long)(signed long long)(signed long) start; - addr = L1_CACHE_ALIGN(aligned_start); - ullend = (unsigned long long) (signed long long) (signed long) start + size; - - while (addr < ullend) { - __asm__ __volatile__ ("ocbwb %0, 0" : : "r" (addr)); - addr += L1_CACHE_BYTES; - } -} - -void __flush_invalidate_region(void *start, int size) -{ - unsigned long long ullend, addr, aligned_start; - - aligned_start = (unsigned long long)(signed long long)(signed long) start; - addr = L1_CACHE_ALIGN(aligned_start); - ullend = (unsigned long long) (signed long long) (signed long) start + size; - - while (addr < ullend) { - __asm__ __volatile__ ("ocbi %0, 0" : : "r" (addr)); - addr += L1_CACHE_BYTES; - } -} #endif /* !CONFIG_DCACHE_DISABLED */ /* |