提交 3287be8c 编写于 作者: L Lorenzo Pieralisi

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: NNicolas Pitre <nico@linaro.org>
Signed-off-by: NLorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Tested-by: NShawn Guo <shawn.guo@linaro.org>
上级 031bd879
......@@ -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
......
Markdown is supported
0% .
You are about to add 0 people to the discussion. Proceed with caution.
先完成此消息的编辑!
想要评论请 注册