summaryrefslogtreecommitdiffstats
path: root/arch/sparc64/lib/VISbzero.S
diff options
context:
space:
mode:
authorRalf Baechle <ralf@linux-mips.org>1997-09-12 01:29:55 +0000
committerRalf Baechle <ralf@linux-mips.org>1997-09-12 01:29:55 +0000
commit545f435ebcfd94a1e7c20b46efe81b4d6ac4e698 (patch)
treee9ce4bc598d06374bda906f18365984bf22a526a /arch/sparc64/lib/VISbzero.S
parent4291a610eef89d0d5c69d9a10ee6560e1aa36c74 (diff)
Merge with Linux 2.1.55. More bugfixes and goodies from my private
CVS archive.
Diffstat (limited to 'arch/sparc64/lib/VISbzero.S')
-rw-r--r--arch/sparc64/lib/VISbzero.S34
1 files changed, 23 insertions, 11 deletions
diff --git a/arch/sparc64/lib/VISbzero.S b/arch/sparc64/lib/VISbzero.S
index 3c86861fd..ede87843b 100644
--- a/arch/sparc64/lib/VISbzero.S
+++ b/arch/sparc64/lib/VISbzero.S
@@ -1,4 +1,4 @@
-/* $Id: VISbzero.S,v 1.1 1997/07/18 06:26:48 ralf Exp $
+/* $Id: VISbzero.S,v 1.8 1997/08/22 15:54:50 jj Exp $
* VISbzero.S: High speed clear operations utilizing the UltraSparc
* Visual Instruction Set.
*
@@ -16,8 +16,8 @@
99: ba VISbzerofixup_ret##z; \
a, b, %o0; \
.section __ex_table; \
- .align 8; \
- .xword 98b, 99b; \
+ .align 4; \
+ .word 98b, 99b; \
.text; \
.align 4;
#define EXC(x,y,a,b,c...) \
@@ -28,15 +28,15 @@
ba VISbzerofixup_ret0; \
a, b, %o0; \
.section __ex_table; \
- .align 8; \
- .xword 98b, 99b; \
+ .align 4; \
+ .word 98b, 99b; \
.text; \
.align 4;
#define EXO1(x,y) \
98: x,y; \
.section __ex_table; \
- .align 8; \
- .xword 98b, VISbzerofixup_reto1; \
+ .align 4; \
+ .word 98b, VISbzerofixup_reto1; \
.text; \
.align 4;
#define EX(x,y,a,b) EXN(x,y,a,b,0)
@@ -44,8 +44,8 @@
#define EX2(x,y,a,b) EXN(x,y,a,b,2)
#define EXT(start,end,handler) \
.section __ex_table; \
- .align 8; \
- .xword start, 0, end, handler; \
+ .align 4; \
+ .word start, 0, end, handler; \
.text; \
.align 4
#else
@@ -147,7 +147,7 @@ bzero:
#else
wr %g0, ASI_BLK_P, %asi
#endif
- membar #StoreStore | #LoadStore
+ membar #StoreLoad | #StoreStore | #LoadStore
fzero %f0
andcc %o3, 0xc0, %o2
and %o1, 0x3f, %o1
@@ -180,16 +180,28 @@ bzero:
#ifdef __KERNEL__
wr %g0, 0, %fprs
wr %g7, 0x0, %asi
+#else
+#ifndef REGS_64BIT
+ wr %g0, FPRS_FEF, %fprs
#endif
- membar #Sync
+#endif
+ membar #StoreLoad | #StoreStore
9: andcc %o1, 0xf8, %o2
be,pn %xcc, 13f
andcc %o1, 7, %o1
+#ifdef __KERNEL__
+14: sethi %hi(13f), %o4
+ srl %o2, 1, %o3
+ sub %o4, %o3, %o4
+ jmpl %o4 + %lo(13f), %g0
+ add %o0, %o2, %o0
+#else
14: rd %pc, %o4
srl %o2, 1, %o3
sub %o4, %o3, %o4
jmpl %o4 + (13f - 14b), %g0
add %o0, %o2, %o0
+#endif
12: ZERO_BLOCKS(%o0, 0xc8, %g0)
ZERO_BLOCKS(%o0, 0x88, %g0)
ZERO_BLOCKS(%o0, 0x48, %g0)