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yaml
---
r: 302680
b: refs/heads/master
c: 1744bd9
h: refs/heads/master
v: v3
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Greg Ungerer committed May 20, 2012
1 parent 8ad52a9 commit 353f5ee
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Showing 2 changed files with 29 additions and 5 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 453549d2e511a8490e04f91b084aa418f9f4e5d2
refs/heads/master: 1744bd921cd1037f0415574e0f8a3611984ecc7c
32 changes: 28 additions & 4 deletions trunk/arch/m68k/include/asm/cacheflush_no.h
Original file line number Diff line number Diff line change
Expand Up @@ -30,11 +30,8 @@

void mcf_cache_push(void);

static inline void __flush_cache_all(void)
static inline void __clear_cache_all(void)
{
#ifdef CACHE_PUSH
mcf_cache_push();
#endif
#ifdef CACHE_INVALIDATE
__asm__ __volatile__ (
"movel %0, %%d0\n\t"
Expand All @@ -44,6 +41,14 @@ static inline void __flush_cache_all(void)
#endif
}

static inline void __flush_cache_all(void)
{
#ifdef CACHE_PUSH
mcf_cache_push();
#endif
__clear_cache_all();
}

/*
* Some ColdFire parts implement separate instruction and data caches,
* on those we should just flush the appropriate cache. If we don't need
Expand Down Expand Up @@ -76,4 +81,23 @@ static inline void __flush_dcache_all(void)
__asm__ __volatile__ ( "nop" );
#endif
}

/*
* Push cache entries at supplied address. We want to write back any dirty
* data and the invalidate the cache lines associated with this address.
*/
static inline void cache_push(unsigned long paddr, int len)
{
__flush_cache_all();
}

/*
* Clear cache entries at supplied address (that is don't write back any
* dirty data).
*/
static inline void cache_clear(unsigned long paddr, int len)
{
__clear_cache_all();
}

#endif /* _M68KNOMMU_CACHEFLUSH_H */

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