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ppc32: use L1_CACHE_SHIFT/L1_CACHE_BYTES

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instead of L1_CACHE_LINE_SIZE and LG_L1_CACHE_LINE_SIZE

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
This commit is contained in:
Stephen Rothwell
2005-10-17 11:50:32 +10:00
parent cf76485562
commit 7dffb72028
14 changed files with 100 additions and 103 deletions
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2
arch/powerpc/kernel/head_32.S
View File

@@ -837,7 +837,7 @@ relocate_kernel:
copy_and_flush:
addi r5,r5,-4
addi r6,r6,-4
4: li r0,L1_CACHE_LINE_SIZE/4
4: li r0,L1_CACHE_BYTES/4
mtctr r0
3: addi r6,r6,4 /* copy a cache line */
lwzx r0,r6,r4

58
arch/powerpc/kernel/misc_32.S
View File

@@ -496,21 +496,21 @@ _GLOBAL(flush_icache_range)
BEGIN_FTR_SECTION
blr /* for 601, do nothing */
END_FTR_SECTION_IFCLR(CPU_FTR_SPLIT_ID_CACHE)
li r5,L1_CACHE_LINE_SIZE-1
li r5,L1_CACHE_BYTES-1
andc r3,r3,r5
subf r4,r3,r4
add r4,r4,r5
srwi. r4,r4,LG_L1_CACHE_LINE_SIZE
srwi. r4,r4,L1_CACHE_SHIFT
beqlr
mtctr r4
mr r6,r3
1: dcbst 0,r3
addi r3,r3,L1_CACHE_LINE_SIZE
addi r3,r3,L1_CACHE_BYTES
bdnz 1b
sync /* wait for dcbst's to get to ram */
mtctr r4
2: icbi 0,r6
addi r6,r6,L1_CACHE_LINE_SIZE
addi r6,r6,L1_CACHE_BYTES
bdnz 2b
sync /* additional sync needed on g4 */
isync
@@ -523,16 +523,16 @@ END_FTR_SECTION_IFCLR(CPU_FTR_SPLIT_ID_CACHE)
* clean_dcache_range(unsigned long start, unsigned long stop)
*/
_GLOBAL(clean_dcache_range)
li r5,L1_CACHE_LINE_SIZE-1
li r5,L1_CACHE_BYTES-1
andc r3,r3,r5
subf r4,r3,r4
add r4,r4,r5
srwi. r4,r4,LG_L1_CACHE_LINE_SIZE
srwi. r4,r4,L1_CACHE_SHIFT
beqlr
mtctr r4
1: dcbst 0,r3
addi r3,r3,L1_CACHE_LINE_SIZE
addi r3,r3,L1_CACHE_BYTES
bdnz 1b
sync /* wait for dcbst's to get to ram */
blr
@@ -544,16 +544,16 @@ _GLOBAL(clean_dcache_range)
* flush_dcache_range(unsigned long start, unsigned long stop)
*/
_GLOBAL(flush_dcache_range)
li r5,L1_CACHE_LINE_SIZE-1
li r5,L1_CACHE_BYTES-1
andc r3,r3,r5
subf r4,r3,r4
add r4,r4,r5
srwi. r4,r4,LG_L1_CACHE_LINE_SIZE
srwi. r4,r4,L1_CACHE_SHIFT
beqlr
mtctr r4
1: dcbf 0,r3
addi r3,r3,L1_CACHE_LINE_SIZE
addi r3,r3,L1_CACHE_BYTES
bdnz 1b
sync /* wait for dcbst's to get to ram */
blr
@@ -566,16 +566,16 @@ _GLOBAL(flush_dcache_range)
* invalidate_dcache_range(unsigned long start, unsigned long stop)
*/
_GLOBAL(invalidate_dcache_range)
li r5,L1_CACHE_LINE_SIZE-1
li r5,L1_CACHE_BYTES-1
andc r3,r3,r5
subf r4,r3,r4
add r4,r4,r5
srwi. r4,r4,LG_L1_CACHE_LINE_SIZE
srwi. r4,r4,L1_CACHE_SHIFT
beqlr
mtctr r4
1: dcbi 0,r3
addi r3,r3,L1_CACHE_LINE_SIZE
addi r3,r3,L1_CACHE_BYTES
bdnz 1b
sync /* wait for dcbi's to get to ram */
blr
@@ -596,7 +596,7 @@ _GLOBAL(flush_dcache_all)
mtctr r4
lis r5, KERNELBASE@h
1: lwz r3, 0(r5) /* Load one word from every line */
addi r5, r5, L1_CACHE_LINE_SIZE
addi r5, r5, L1_CACHE_BYTES
bdnz 1b
blr
#endif /* CONFIG_NOT_COHERENT_CACHE */
@@ -614,16 +614,16 @@ BEGIN_FTR_SECTION
blr /* for 601, do nothing */
END_FTR_SECTION_IFCLR(CPU_FTR_SPLIT_ID_CACHE)
rlwinm r3,r3,0,0,19 /* Get page base address */
li r4,4096/L1_CACHE_LINE_SIZE /* Number of lines in a page */
li r4,4096/L1_CACHE_BYTES /* Number of lines in a page */
mtctr r4
mr r6,r3
0: dcbst 0,r3 /* Write line to ram */
addi r3,r3,L1_CACHE_LINE_SIZE
addi r3,r3,L1_CACHE_BYTES
bdnz 0b
sync
mtctr r4
1: icbi 0,r6
addi r6,r6,L1_CACHE_LINE_SIZE
addi r6,r6,L1_CACHE_BYTES
bdnz 1b
sync
isync
@@ -646,16 +646,16 @@ END_FTR_SECTION_IFCLR(CPU_FTR_SPLIT_ID_CACHE)
mtmsr r0
isync
rlwinm r3,r3,0,0,19 /* Get page base address */
li r4,4096/L1_CACHE_LINE_SIZE /* Number of lines in a page */
li r4,4096/L1_CACHE_BYTES /* Number of lines in a page */
mtctr r4
mr r6,r3
0: dcbst 0,r3 /* Write line to ram */
addi r3,r3,L1_CACHE_LINE_SIZE
addi r3,r3,L1_CACHE_BYTES
bdnz 0b
sync
mtctr r4
1: icbi 0,r6
addi r6,r6,L1_CACHE_LINE_SIZE
addi r6,r6,L1_CACHE_BYTES
bdnz 1b
sync
mtmsr r10 /* restore DR */
@@ -670,7 +670,7 @@ END_FTR_SECTION_IFCLR(CPU_FTR_SPLIT_ID_CACHE)
* void clear_pages(void *page, int order) ;
*/
_GLOBAL(clear_pages)
li r0,4096/L1_CACHE_LINE_SIZE
li r0,4096/L1_CACHE_BYTES
slw r0,r0,r4
mtctr r0
#ifdef CONFIG_8xx
@@ -682,7 +682,7 @@ _GLOBAL(clear_pages)
#else
1: dcbz 0,r3
#endif
addi r3,r3,L1_CACHE_LINE_SIZE
addi r3,r3,L1_CACHE_BYTES
bdnz 1b
blr
@@ -708,7 +708,7 @@ _GLOBAL(copy_page)
#ifdef CONFIG_8xx
/* don't use prefetch on 8xx */
li r0,4096/L1_CACHE_LINE_SIZE
li r0,4096/L1_CACHE_BYTES
mtctr r0
1: COPY_16_BYTES
bdnz 1b
@@ -722,13 +722,13 @@ _GLOBAL(copy_page)
li r11,4
mtctr r0
11: dcbt r11,r4
addi r11,r11,L1_CACHE_LINE_SIZE
addi r11,r11,L1_CACHE_BYTES
bdnz 11b
#else /* MAX_COPY_PREFETCH == 1 */
dcbt r5,r4
li r11,L1_CACHE_LINE_SIZE+4
li r11,L1_CACHE_BYTES+4
#endif /* MAX_COPY_PREFETCH */
li r0,4096/L1_CACHE_LINE_SIZE - MAX_COPY_PREFETCH
li r0,4096/L1_CACHE_BYTES - MAX_COPY_PREFETCH
crclr 4*cr0+eq
2:
mtctr r0
@@ -736,12 +736,12 @@ _GLOBAL(copy_page)
dcbt r11,r4
dcbz r5,r3
COPY_16_BYTES
#if L1_CACHE_LINE_SIZE >= 32
#if L1_CACHE_BYTES >= 32
COPY_16_BYTES
#if L1_CACHE_LINE_SIZE >= 64
#if L1_CACHE_BYTES >= 64
COPY_16_BYTES
COPY_16_BYTES
#if L1_CACHE_LINE_SIZE >= 128
#if L1_CACHE_BYTES >= 128
COPY_16_BYTES
COPY_16_BYTES
COPY_16_BYTES