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[PATCH] m68k: small flush_icache() cleanup

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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>
This commit is contained in:
Roman Zippel 2006-06-25 05:46:56 -07:00 committed by Linus Torvalds
parent a7b1a1a308
commit 3921ee21e0
1 changed files with 20 additions and 20 deletions
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40
include/asm-m68k/cacheflush.h
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@ -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() \