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| author | Roman Zippel <zippel@linux-m68k.org> | 2006-06-25 14:46:56 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-06-25 19:00:56 +0200 |
| commit | 3921ee21e01ac5faecda640daa6071dc8f0e29c9 (patch) | |
| tree | b0bec2533d6d488dcfea88ff5075ce64a8b1bb7f | |
| parent | [PATCH] m68k: fix __iounmap for 030 (diff) | |
| download | linux-3921ee21e01ac5faecda640daa6071dc8f0e29c9.tar.xz linux-3921ee21e01ac5faecda640daa6071dc8f0e29c9.zip | |
[PATCH] m68k: small flush_icache() cleanup
Make flush_icache() an inline function and clean it up a litte.
Signed-off-by: Roman Zippel <zippel@linux-m68k.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
| -rw-r--r-- | include/asm-m68k/cacheflush.h | 40 |
1 files changed, 20 insertions, 20 deletions
diff --git a/include/asm-m68k/cacheflush.h b/include/asm-m68k/cacheflush.h index 8aba971b1368..24d3ff449135 100644 --- a/include/asm-m68k/cacheflush.h +++ b/include/asm-m68k/cacheflush.h @@ -3,26 +3,30 @@ #include <linux/mm.h> +/* cache code */ +#define FLUSH_I_AND_D (0x00000808) +#define FLUSH_I (0x00000008) + /* * Cache handling functions */ -#define flush_icache() \ -({ \ - if (CPU_IS_040_OR_060) \ - __asm__ __volatile__("nop\n\t" \ - ".chip 68040\n\t" \ - "cinva %%ic\n\t" \ - ".chip 68k" : ); \ - else { \ - unsigned long _tmp; \ - __asm__ __volatile__("movec %%cacr,%0\n\t" \ - "orw %1,%0\n\t" \ - "movec %0,%%cacr" \ - : "=&d" (_tmp) \ - : "id" (FLUSH_I)); \ - } \ -}) +static inline void flush_icache(void) +{ + if (CPU_IS_040_OR_060) + asm volatile ( "nop\n" + " .chip 68040\n" + " cpusha %bc\n" + " .chip 68k"); + else { + unsigned long tmp; + asm volatile ( "movec %%cacr,%0\n" + " or.w %1,%0\n" + " movec %0,%%cacr" + : "=&d" (tmp) + : "id" (FLUSH_I)); + } +} /* * invalidate the cache for the specified memory range. @@ -43,10 +47,6 @@ extern void cache_push(unsigned long paddr, int len); */ extern void cache_push_v(unsigned long vaddr, int len); -/* cache code */ -#define FLUSH_I_AND_D (0x00000808) -#define FLUSH_I (0x00000008) - /* This is needed whenever the virtual mapping of the current process changes. */ #define __flush_cache_all() \ |