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authorDavid Howells <dhowells@redhat.com>2011-03-18 16:54:30 +0000
committerDavid Howells <dhowells@redhat.com>2011-03-18 16:54:30 +0000
commit7f386ac3272e057fbf51e5b5712fad1a80e77125 (patch)
tree2ddf1aff83c2b92f2aef82d4db069a1a355b47c0 /arch/mn10300/mm/cache-inv-by-reg.S
parent792576b1c5a4da16700f1003b1c3fc1e22cd9e07 (diff)
MN10300: Create general kernel debugger cache flushing
Create general kernel debugger cache flushing for MN10300 and get rid of the old stuff that gdbstub was using. Signed-off-by: David Howells <dhowells@redhat.com>
Diffstat (limited to 'arch/mn10300/mm/cache-inv-by-reg.S')
-rw-r--r--arch/mn10300/mm/cache-inv-by-reg.S9
1 files changed, 4 insertions, 5 deletions
diff --git a/arch/mn10300/mm/cache-inv-by-reg.S b/arch/mn10300/mm/cache-inv-by-reg.S
index d1f363a8d36b..a60825b91e77 100644
--- a/arch/mn10300/mm/cache-inv-by-reg.S
+++ b/arch/mn10300/mm/cache-inv-by-reg.S
@@ -116,9 +116,9 @@ mn10300_local_dcache_inv_range:
# and if they're not cacheline-aligned, we must flush any bits outside
# the range that share cachelines with stuff inside the range
#ifdef CONFIG_MN10300_CACHE_WBACK
- btst ~(L1_CACHE_BYTES-1),d0
+ btst ~L1_CACHE_TAG_MASK,d0
bne 1f
- btst ~(L1_CACHE_BYTES-1),d1
+ btst ~L1_CACHE_TAG_MASK,d1
beq 2f
1:
bra mn10300_local_dcache_flush_inv_range
@@ -136,12 +136,11 @@ mn10300_local_dcache_inv_range:
# writeback mode, in which case we would be in flush and invalidate by
# now
#ifndef CONFIG_MN10300_CACHE_WBACK
- and L1_CACHE_TAG_ADDRESS|L1_CACHE_TAG_ENTRY,d0 # round start
- # addr down
+ and L1_CACHE_TAG_MASK,d0 # round start addr down
mov L1_CACHE_BYTES-1,d2
add d2,d1
- and L1_CACHE_TAG_ADDRESS|L1_CACHE_TAG_ENTRY,d1 # round end addr up
+ and L1_CACHE_TAG_MASK,d1 # round end addr up
#endif /* !CONFIG_MN10300_CACHE_WBACK */
sub d0,d1,d2 # calculate the total size