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authorLorenzo Pieralisi <lorenzo.pieralisi@arm.com>2012-09-18 17:29:44 +0200
committerLorenzo Pieralisi <lorenzo.pieralisi@arm.com>2012-09-25 12:20:25 +0200
commit3287be8c4e2bd91211b3947ba726d95e8a1092b5 (patch)
tree0c58fb5c8897b4fd9118dfeda7247fbf3d2bfee0 /arch/arm/mm/cache-v7.S
parentARM: mm: implement LoUIS API for cache maintenance ops (diff)
downloadlinux-3287be8c4e2bd91211b3947ba726d95e8a1092b5.tar.xz
linux-3287be8c4e2bd91211b3947ba726d95e8a1092b5.zip
ARM: mm: rename jump labels in v7_flush_dcache_all function
This patch renames jump labels in v7_flush_dcache_all in order to define a specific flush cache levels entry point. Acked-by: Nicolas Pitre <nico@linaro.org> Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> Tested-by: Shawn Guo <shawn.guo@linaro.org>
Diffstat (limited to 'arch/arm/mm/cache-v7.S')
-rw-r--r--arch/arm/mm/cache-v7.S14
1 files changed, 7 insertions, 7 deletions
diff --git a/arch/arm/mm/cache-v7.S b/arch/arm/mm/cache-v7.S
index d1fa2f66d8c0..140b294bbd9b 100644
--- a/arch/arm/mm/cache-v7.S
+++ b/arch/arm/mm/cache-v7.S
@@ -48,7 +48,7 @@ ENTRY(v7_flush_dcache_louis)
mov r3, r3, lsr #20 @ r3 = LoUIS * 2
moveq pc, lr @ return if level == 0
mov r10, #0 @ r10 (starting level) = 0
- b loop1 @ start flushing cache levels
+ b flush_levels @ start flushing cache levels
ENDPROC(v7_flush_dcache_louis)
/*
@@ -67,7 +67,7 @@ ENTRY(v7_flush_dcache_all)
mov r3, r3, lsr #23 @ left align loc bit field
beq finished @ if loc is 0, then no need to clean
mov r10, #0 @ start clean at cache level 0
-loop1:
+flush_levels:
add r2, r10, r10, lsr #1 @ work out 3x current cache level
mov r1, r0, lsr r2 @ extract cache type bits from clidr
and r1, r1, #7 @ mask of the bits for current cache only
@@ -89,9 +89,9 @@ loop1:
clz r5, r4 @ find bit position of way size increment
ldr r7, =0x7fff
ands r7, r7, r1, lsr #13 @ extract max number of the index size
-loop2:
+loop1:
mov r9, r4 @ create working copy of max way size
-loop3:
+loop2:
ARM( orr r11, r10, r9, lsl r5 ) @ factor way and cache number into r11
THUMB( lsl r6, r9, r5 )
THUMB( orr r11, r10, r6 ) @ factor way and cache number into r11
@@ -100,13 +100,13 @@ loop3:
THUMB( orr r11, r11, r6 ) @ factor index number into r11
mcr p15, 0, r11, c7, c14, 2 @ clean & invalidate by set/way
subs r9, r9, #1 @ decrement the way
- bge loop3
- subs r7, r7, #1 @ decrement the index
bge loop2
+ subs r7, r7, #1 @ decrement the index
+ bge loop1
skip:
add r10, r10, #2 @ increment cache number
cmp r3, r10
- bgt loop1
+ bgt flush_levels
finished:
mov r10, #0 @ swith back to cache level 0
mcr p15, 2, r10, c0, c0, 0 @ select current cache level in cssr