diff options
author | Paul Mundt <lethal@linux-sh.org> | 2009-08-14 13:00:54 -0400 |
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committer | Paul Mundt <lethal@linux-sh.org> | 2009-08-14 13:00:54 -0400 |
commit | 795687265d1b6f666d02ff56f6c1679a8db160a9 (patch) | |
tree | 9e0de63a1299b24a8d6d1d58d246fb3d7a476926 /arch/sh/mm/cache-sh5.c | |
parent | 43bc61d86f8ea6edef2e02d1dc47617883fa9a9c (diff) |
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/cache-sh5.c')
-rw-r--r-- | arch/sh/mm/cache-sh5.c | 48 |
1 files changed, 0 insertions, 48 deletions
diff --git a/arch/sh/mm/cache-sh5.c b/arch/sh/mm/cache-sh5.c index 3e2d7321b636..698113fce814 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, | |||
539 | sh64_dcache_purge_user_pages(mm, start, end); | 539 | sh64_dcache_purge_user_pages(mm, start, end); |
540 | } | 540 | } |
541 | } | 541 | } |
542 | |||
543 | /* | ||
544 | * Purge the range of addresses from the D-cache. | ||
545 | * | ||
546 | * The addresses lie in the superpage mapping. There's no harm if we | ||
547 | * overpurge at either end - just a small performance loss. | ||
548 | */ | ||
549 | void __flush_purge_region(void *start, int size) | ||
550 | { | ||
551 | unsigned long long ullend, addr, aligned_start; | ||
552 | |||
553 | aligned_start = (unsigned long long)(signed long long)(signed long) start; | ||
554 | addr = L1_CACHE_ALIGN(aligned_start); | ||
555 | ullend = (unsigned long long) (signed long long) (signed long) start + size; | ||
556 | |||
557 | while (addr <= ullend) { | ||
558 | __asm__ __volatile__ ("ocbp %0, 0" : : "r" (addr)); | ||
559 | addr += L1_CACHE_BYTES; | ||
560 | } | ||
561 | } | ||
562 | |||
563 | void __flush_wback_region(void *start, int size) | ||
564 | { | ||
565 | unsigned long long ullend, addr, aligned_start; | ||
566 | |||
567 | aligned_start = (unsigned long long)(signed long long)(signed long) start; | ||
568 | addr = L1_CACHE_ALIGN(aligned_start); | ||
569 | ullend = (unsigned long long) (signed long long) (signed long) start + size; | ||
570 | |||
571 | while (addr < ullend) { | ||
572 | __asm__ __volatile__ ("ocbwb %0, 0" : : "r" (addr)); | ||
573 | addr += L1_CACHE_BYTES; | ||
574 | } | ||
575 | } | ||
576 | |||
577 | void __flush_invalidate_region(void *start, int size) | ||
578 | { | ||
579 | unsigned long long ullend, addr, aligned_start; | ||
580 | |||
581 | aligned_start = (unsigned long long)(signed long long)(signed long) start; | ||
582 | addr = L1_CACHE_ALIGN(aligned_start); | ||
583 | ullend = (unsigned long long) (signed long long) (signed long) start + size; | ||
584 | |||
585 | while (addr < ullend) { | ||
586 | __asm__ __volatile__ ("ocbi %0, 0" : : "r" (addr)); | ||
587 | addr += L1_CACHE_BYTES; | ||
588 | } | ||
589 | } | ||
590 | #endif /* !CONFIG_DCACHE_DISABLED */ | 542 | #endif /* !CONFIG_DCACHE_DISABLED */ |
591 | 543 | ||
592 | /* | 544 | /* |