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>
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031bd879f7
Коммит
3287be8c4e
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@ -48,7 +48,7 @@ ENTRY(v7_flush_dcache_louis)
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mov r3, r3, lsr #20 @ r3 = LoUIS * 2
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moveq pc, lr @ return if level == 0
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mov r10, #0 @ r10 (starting level) = 0
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b loop1 @ start flushing cache levels
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b flush_levels @ start flushing cache levels
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ENDPROC(v7_flush_dcache_louis)
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/*
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@ -67,7 +67,7 @@ ENTRY(v7_flush_dcache_all)
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mov r3, r3, lsr #23 @ left align loc bit field
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beq finished @ if loc is 0, then no need to clean
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mov r10, #0 @ start clean at cache level 0
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loop1:
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flush_levels:
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add r2, r10, r10, lsr #1 @ work out 3x current cache level
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mov r1, r0, lsr r2 @ extract cache type bits from clidr
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and r1, r1, #7 @ mask of the bits for current cache only
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@ -89,9 +89,9 @@ loop1:
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clz r5, r4 @ find bit position of way size increment
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ldr r7, =0x7fff
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ands r7, r7, r1, lsr #13 @ extract max number of the index size
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loop2:
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loop1:
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mov r9, r4 @ create working copy of max way size
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loop3:
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loop2:
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ARM( orr r11, r10, r9, lsl r5 ) @ factor way and cache number into r11
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THUMB( lsl r6, r9, r5 )
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THUMB( orr r11, r10, r6 ) @ factor way and cache number into r11
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@ -100,13 +100,13 @@ loop3:
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THUMB( orr r11, r11, r6 ) @ factor index number into r11
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mcr p15, 0, r11, c7, c14, 2 @ clean & invalidate by set/way
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subs r9, r9, #1 @ decrement the way
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bge loop3
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subs r7, r7, #1 @ decrement the index
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bge loop2
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subs r7, r7, #1 @ decrement the index
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bge loop1
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skip:
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add r10, r10, #2 @ increment cache number
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cmp r3, r10
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bgt loop1
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bgt flush_levels
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finished:
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mov r10, #0 @ swith back to cache level 0
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mcr p15, 2, r10, c0, c0, 0 @ select current cache level in cssr
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