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authorGlenn Elliott <gelliott@cs.unc.edu>2012-03-04 19:47:13 -0500
committerGlenn Elliott <gelliott@cs.unc.edu>2012-03-04 19:47:13 -0500
commitc71c03bda1e86c9d5198c5d83f712e695c4f2a1e (patch)
treeecb166cb3e2b7e2adb3b5e292245fefd23381ac8 /arch/arm/mm/cache-v4wt.S
parentea53c912f8a86a8567697115b6a0d8152beee5c8 (diff)
parent6a00f206debf8a5c8899055726ad127dbeeed098 (diff)
Merge branch 'mpi-master' into wip-k-fmlpwip-k-fmlp
Conflicts: litmus/sched_cedf.c
Diffstat (limited to 'arch/arm/mm/cache-v4wt.S')
-rw-r--r--arch/arm/mm/cache-v4wt.S14
1 files changed, 13 insertions, 1 deletions
diff --git a/arch/arm/mm/cache-v4wt.S b/arch/arm/mm/cache-v4wt.S
index 45c70312f43b..a7b276dbda11 100644
--- a/arch/arm/mm/cache-v4wt.S
+++ b/arch/arm/mm/cache-v4wt.S
@@ -34,13 +34,24 @@
34/* 34/*
35 * This is the size at which it becomes more efficient to 35 * This is the size at which it becomes more efficient to
36 * clean the whole cache, rather than using the individual 36 * clean the whole cache, rather than using the individual
37 * cache line maintainence instructions. 37 * cache line maintenance instructions.
38 * 38 *
39 * *** This needs benchmarking 39 * *** This needs benchmarking
40 */ 40 */
41#define CACHE_DLIMIT 16384 41#define CACHE_DLIMIT 16384
42 42
43/* 43/*
44 * flush_icache_all()
45 *
46 * Unconditionally clean and invalidate the entire icache.
47 */
48ENTRY(v4wt_flush_icache_all)
49 mov r0, #0
50 mcr p15, 0, r0, c7, c5, 0 @ invalidate I cache
51 mov pc, lr
52ENDPROC(v4wt_flush_icache_all)
53
54/*
44 * flush_user_cache_all() 55 * flush_user_cache_all()
45 * 56 *
46 * Invalidate all cache entries in a particular address 57 * Invalidate all cache entries in a particular address
@@ -188,6 +199,7 @@ ENDPROC(v4wt_dma_map_area)
188 199
189 .type v4wt_cache_fns, #object 200 .type v4wt_cache_fns, #object
190ENTRY(v4wt_cache_fns) 201ENTRY(v4wt_cache_fns)
202 .long v4wt_flush_icache_all
191 .long v4wt_flush_kern_cache_all 203 .long v4wt_flush_kern_cache_all
192 .long v4wt_flush_user_cache_all 204 .long v4wt_flush_user_cache_all
193 .long v4wt_flush_user_cache_range 205 .long v4wt_flush_user_cache_range