From 45bef7d914918113fa9e08f440cf80f27d9b2b46 Mon Sep 17 00:00:00 2001 From: Greg White Date: Sat, 6 Jan 2007 02:48:26 +0000 Subject: Fix range for cache cleans git-svn-id: svn://svn.rockbox.org/rockbox/trunk@11928 a1c6a512-1295-4272-9138-f99709370657 --- firmware/target/arm/gigabeat/meg-fx/mmu-meg-fx.c | 9 ++++----- 1 file changed, 4 insertions(+), 5 deletions(-) (limited to 'firmware/target/arm/gigabeat') 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 1e3412b2a0..36f653a9dd 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" -- cgit v1.2.3