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authorLinus Torvalds <torvalds@g5.osdl.org>2006-09-13 08:01:41 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2006-09-13 08:01:41 -0700
commit63b98080daa35f0d682db04f4fb7ada010888752 (patch)
tree213e124c89a51bbb99dd8e07fb6eacc970bbdc99 /arch/powerpc/kernel/misc.S
parent1883c5aba9973331e3ff0050e05707fe8e84fe0d (diff)
parenteeac5c142b8687e35780b11b54b4c2f95b1a2436 (diff)
Merge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc
* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc: [POWERPC] Fix G5 DART (IOMMU) race causing occasional data corruption [POWERPC] Fix MMIO ops to provide expected barrier behaviour [POWERPC] Fix interrupt clearing in kdump shutdown sequence [POWERPC] update prep_defconfig [POWERPC] kdump: Support kernels having 64k page size. [POWERPC] Implement PowerPC futex_atomic_cmpxchg_inatomic(). [POWERPC] Add new, missing argument to of_irq_map_raw() for 86xx. [POWERPC] Update defconfigs
Diffstat (limited to 'arch/powerpc/kernel/misc.S')
-rw-r--r--arch/powerpc/kernel/misc.S49
1 files changed, 25 insertions, 24 deletions
diff --git a/arch/powerpc/kernel/misc.S b/arch/powerpc/kernel/misc.S
index fc23040d5a2..f770805f121 100644
--- a/arch/powerpc/kernel/misc.S
+++ b/arch/powerpc/kernel/misc.S
@@ -17,15 +17,6 @@
.text
-#ifdef CONFIG_PPC64
-#define IN_SYNC twi 0,r5,0; isync
-#define EIEIO_32
-#define SYNC_64 sync
-#else /* CONFIG_PPC32 */
-#define IN_SYNC
-#define EIEIO_32 eieio
-#define SYNC_64
-#endif
/*
* Returns (address we are running at) - (address we were linked at)
* for use before the text and data are mapped to KERNELBASE.
@@ -70,6 +61,7 @@ _GLOBAL(add_reloc_offset)
* The *_ns versions don't do byte-swapping.
*/
_GLOBAL(_insb)
+ sync
cmpwi 0,r5,0
mtctr r5
subi r4,r4,1
@@ -78,7 +70,8 @@ _GLOBAL(_insb)
eieio
stbu r5,1(r4)
bdnz 00b
- IN_SYNC
+ twi 0,r5,0
+ isync
blr
_GLOBAL(_outsb)
@@ -86,14 +79,15 @@ _GLOBAL(_outsb)
mtctr r5
subi r4,r4,1
blelr-
+ sync
00: lbzu r5,1(r4)
stb r5,0(r3)
- EIEIO_32
bdnz 00b
- SYNC_64
+ sync
blr
_GLOBAL(_insw)
+ sync
cmpwi 0,r5,0
mtctr r5
subi r4,r4,2
@@ -102,7 +96,8 @@ _GLOBAL(_insw)
eieio
sthu r5,2(r4)
bdnz 00b
- IN_SYNC
+ twi 0,r5,0
+ isync
blr
_GLOBAL(_outsw)
@@ -110,14 +105,15 @@ _GLOBAL(_outsw)
mtctr r5
subi r4,r4,2
blelr-
+ sync
00: lhzu r5,2(r4)
- EIEIO_32
sthbrx r5,0,r3
bdnz 00b
- SYNC_64
+ sync
blr
_GLOBAL(_insl)
+ sync
cmpwi 0,r5,0
mtctr r5
subi r4,r4,4
@@ -126,7 +122,8 @@ _GLOBAL(_insl)
eieio
stwu r5,4(r4)
bdnz 00b
- IN_SYNC
+ twi 0,r5,0
+ isync
blr
_GLOBAL(_outsl)
@@ -134,17 +131,18 @@ _GLOBAL(_outsl)
mtctr r5
subi r4,r4,4
blelr-
+ sync
00: lwzu r5,4(r4)
stwbrx r5,0,r3
- EIEIO_32
bdnz 00b
- SYNC_64
+ sync
blr
#ifdef CONFIG_PPC32
_GLOBAL(__ide_mm_insw)
#endif
_GLOBAL(_insw_ns)
+ sync
cmpwi 0,r5,0
mtctr r5
subi r4,r4,2
@@ -153,7 +151,8 @@ _GLOBAL(_insw_ns)
eieio
sthu r5,2(r4)
bdnz 00b
- IN_SYNC
+ twi 0,r5,0
+ isync
blr
#ifdef CONFIG_PPC32
@@ -164,17 +163,18 @@ _GLOBAL(_outsw_ns)
mtctr r5
subi r4,r4,2
blelr-
+ sync
00: lhzu r5,2(r4)
sth r5,0(r3)
- EIEIO_32
bdnz 00b
- SYNC_64
+ sync
blr
#ifdef CONFIG_PPC32
_GLOBAL(__ide_mm_insl)
#endif
_GLOBAL(_insl_ns)
+ sync
cmpwi 0,r5,0
mtctr r5
subi r4,r4,4
@@ -183,7 +183,8 @@ _GLOBAL(_insl_ns)
eieio
stwu r5,4(r4)
bdnz 00b
- IN_SYNC
+ twi 0,r5,0
+ isync
blr
#ifdef CONFIG_PPC32
@@ -194,10 +195,10 @@ _GLOBAL(_outsl_ns)
mtctr r5
subi r4,r4,4
blelr-
+ sync
00: lwzu r5,4(r4)
stw r5,0(r3)
- EIEIO_32
bdnz 00b
- SYNC_64
+ sync
blr