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| author | Greg White <gwhite@rockbox.org> | 2007-01-06 02:48:26 +0000 |
|---|---|---|
| committer | Greg White <gwhite@rockbox.org> | 2007-01-06 02:48:26 +0000 |
| commit | 45bef7d914918113fa9e08f440cf80f27d9b2b46 (patch) | |
| tree | 49f05e45550dec2bb5b9486f1d6fbe494da0cff3 | |
| parent | ebcd762fb24455b58c9aab79a004e93d04a5c6cd (diff) | |
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Fix range for cache cleans
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@11928 a1c6a512-1295-4272-9138-f99709370657
| -rw-r--r-- | firmware/target/arm/gigabeat/meg-fx/mmu-meg-fx.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/firmware/target/arm/gigabeat/meg-fx/mmu-meg-fx.c b/firmware/target/arm/gigabeat/meg-fx/mmu-meg-fx.c index 1e3412b..36f653a 100644 --- a/firmware/target/arm/gigabeat/meg-fx/mmu-meg-fx.c +++ b/firmware/target/arm/gigabeat/meg-fx/mmu-meg-fx.c @@ -87,15 +87,14 @@ static void enable_mmu(void) { /* Invalidate DCache for this range */ /* Will do write back */ void invalidate_dcache_range(const void *base, unsigned int size) { - unsigned int addr = (int) base; - unsigned int end = addr+size; + unsigned int addr = ((int) base) & ~31; + unsigned int end = addr+size+32; asm volatile( - "bic %0, %0, #31 \n" "inv_start: \n" "mcr p15, 0, %0, c7, c14, 1 \n" /* Clean and invalidate this line */ "add %0, %0, #32 \n" "cmp %0, %1 \n" - "blo inv_start \n" + "ble inv_start \n" "mov %0, #0\n" "mcr p15,0,%0,c7,c10,4\n" /* Drain write buffer */ : : "r" (addr), "r" (end)); @@ -105,7 +104,7 @@ void invalidate_dcache_range(const void *base, unsigned int size) { /* forces DCache writeback for the specified range */ void clean_dcache_range(const void *base, unsigned int size) { unsigned int addr = (int) base; - unsigned int end = addr+size; + unsigned int end = addr+size+32; asm volatile( "bic %0, %0, #31 \n" "clean_start: \n" |