diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-08-04 17:26:15 -0700 |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-08-04 17:26:15 -0700 |
commit | 2e1e9212ed8c532c6b324de77d3cafef5d2bc846 (patch) | |
tree | 15097a99d03679f2c95ea2fdc0eb3c3ebcc474b8 /arch/sh/include/cpu-sh2a/cpu/cacheflush.h | |
parent | 2acb802b0c5485aedb46e23b2b45e49573454c09 (diff) | |
parent | f5663f5bded3364158e2d31904173cb1debc2ecd (diff) |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6: (29 commits)
sh: enable maple_keyb in dreamcast_defconfig.
SH2(A) cache update
nommu: Provide vmalloc_exec().
add addrespace definition for sh2a.
sh: Kill off ARCH_SUPPORTS_AOUT and remnants of a.out support.
sh: define GENERIC_HARDIRQS_NO__DO_IRQ.
sh: define GENERIC_LOCKBREAK.
sh: Save NUMA node data in vmcore for crash dumps.
sh: module_alloc() should be using vmalloc_exec().
sh: Fix up __bug_table handling in module loader.
sh: Add documentation and integrate into docbook build.
sh: Fix up broken kerneldoc comments.
maple: Kill useless private_data pointer.
maple: Clean up maple_driver_register/unregister routines.
input: Clean up maple keyboard driver
maple: allow removal and reinsertion of keyboard driver module
sh: /proc/asids depends on MMU.
arch/sh/boards/mach-se/7343/irq.c: removed duplicated #include
arch/sh/boards/board-ap325rxa.c: removed duplicated #include
sh/boards/Makefile typo fix
...
Diffstat (limited to 'arch/sh/include/cpu-sh2a/cpu/cacheflush.h')
-rw-r--r-- | arch/sh/include/cpu-sh2a/cpu/cacheflush.h | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/arch/sh/include/cpu-sh2a/cpu/cacheflush.h b/arch/sh/include/cpu-sh2a/cpu/cacheflush.h new file mode 100644 index 00000000000..3d3b9205d2a --- /dev/null +++ b/arch/sh/include/cpu-sh2a/cpu/cacheflush.h @@ -0,0 +1,34 @@ +#ifndef __ASM_CPU_SH2A_CACHEFLUSH_H +#define __ASM_CPU_SH2A_CACHEFLUSH_H + +/* + * Cache flushing: + * + * - flush_cache_all() flushes entire cache + * - flush_cache_mm(mm) flushes the specified mm context's cache lines + * - flush_cache_dup mm(mm) handles cache flushing when forking + * - flush_cache_page(mm, vmaddr, pfn) flushes a single page + * - flush_cache_range(vma, start, end) flushes a range of pages + * + * - flush_dcache_page(pg) flushes(wback&invalidates) a page for dcache + * - flush_icache_range(start, end) flushes(invalidates) a range for icache + * - flush_icache_page(vma, pg) flushes(invalidates) a page for icache + * + * Caches are indexed (effectively) by physical address on SH-2, so + * we don't need them. + */ +#define flush_cache_all() do { } while (0) +#define flush_cache_mm(mm) do { } while (0) +#define flush_cache_dup_mm(mm) do { } while (0) +#define flush_cache_range(vma, start, end) do { } while (0) +#define flush_cache_page(vma, vmaddr, pfn) do { } while (0) +#define flush_dcache_page(page) do { } while (0) +#define flush_dcache_mmap_lock(mapping) do { } while (0) +#define flush_dcache_mmap_unlock(mapping) do { } while (0) +void flush_icache_range(unsigned long start, unsigned long end); +#define flush_icache_page(vma,pg) do { } while (0) +#define flush_icache_user_range(vma,pg,adr,len) do { } while (0) +#define flush_cache_sigtramp(vaddr) do { } while (0) + +#define p3_cache_init() do { } while (0) +#endif /* __ASM_CPU_SH2A_CACHEFLUSH_H */ |