Skip to content

L
linux
Commit 95707704 authored by David S. Miller's avatar David S. Miller
Browse files
Options

sparc64: Convert NG4copy_{from,to}_user to accurate exception reporting. 

Report the exact number of bytes which have not been successfully
copied when an exception occurs, using the running remaining length.
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent cb736fdb
Hide whitespace changes
Inline Side-by-side
Showing with 231 additions and 79 deletions
arch/sparc/lib/NG4copy_from_user.S
View file @ 95707704
...@@ -3,19 +3,19 @@ ...@@ -3,19 +3,19 @@
* Copyright (C) 2012 David S. Miller (davem@davemloft.net) * Copyright (C) 2012 David S. Miller (davem@davemloft.net)
*/ */
#define EX_LD(x) \ #define EX_LD(x, y) \
98: x; \ 98: x; \
.section __ex_table,"a";\ .section __ex_table,"a";\
.align 4; \ .align 4; \
.word 98b, __retl_mone_asi;\ .word 98b, y; \
.text; \ .text; \
.align 4; .align 4;
#define EX_LD_FP(x) \ #define EX_LD_FP(x,y) \
98: x; \ 98: x; \
.section __ex_table,"a";\ .section __ex_table,"a";\
.align 4; \ .align 4; \
.word 98b, __retl_mone_asi_fp;\ .word 98b, y##_fp; \
.text; \ .text; \
.align 4; .align 4;
......
arch/sparc/lib/NG4copy_to_user.S
View file @ 95707704
...@@ -3,19 +3,19 @@ ...@@ -3,19 +3,19 @@
* Copyright (C) 2012 David S. Miller (davem@davemloft.net) * Copyright (C) 2012 David S. Miller (davem@davemloft.net)
*/ */
#define EX_ST(x) \ #define EX_ST(x,y) \
98: x; \ 98: x; \
.section __ex_table,"a";\ .section __ex_table,"a";\
.align 4; \ .align 4; \
.word 98b, __retl_mone_asi;\ .word 98b, y; \
.text; \ .text; \
.align 4; .align 4;
#define EX_ST_FP(x) \ #define EX_ST_FP(x,y) \
98: x; \ 98: x; \
.section __ex_table,"a";\ .section __ex_table,"a";\
.align 4; \ .align 4; \
.word 98b, __retl_mone_asi_fp;\ .word 98b, y##_fp; \
.text; \ .text; \
.align 4; .align 4;
......
arch/sparc/lib/NG4memcpy.S
View file @ 95707704
...@@ -4,6 +4,7 @@ ...@@ -4,6 +4,7 @@
*/ */
#ifdef __KERNEL__ #ifdef __KERNEL__
#include <linux/linkage.h>
#include <asm/visasm.h> #include <asm/visasm.h>
#include <asm/asi.h> #include <asm/asi.h>
#define GLOBAL_SPARE %g7 #define GLOBAL_SPARE %g7
...@@ -46,22 +47,19 @@ ...@@ -46,22 +47,19 @@
#endif #endif
#ifndef EX_LD #ifndef EX_LD
#define EX_LD(x) x #define EX_LD(x,y) x
#endif #endif
#ifndef EX_LD_FP #ifndef EX_LD_FP
#define EX_LD_FP(x) x #define EX_LD_FP(x,y) x
#endif #endif
#ifndef EX_ST #ifndef EX_ST
#define EX_ST(x) x #define EX_ST(x,y) x
#endif #endif
#ifndef EX_ST_FP #ifndef EX_ST_FP
#define EX_ST_FP(x) x #define EX_ST_FP(x,y) x
#endif #endif
#ifndef EX_RETVAL
#define EX_RETVAL(x) x
#endif
#ifndef LOAD #ifndef LOAD
#define LOAD(type,addr,dest) type [addr], dest #define LOAD(type,addr,dest) type [addr], dest
...@@ -94,6 +92,158 @@ ...@@ -94,6 +92,158 @@
.register %g3,#scratch .register %g3,#scratch
.text .text
#ifndef EX_RETVAL
#define EX_RETVAL(x) x
__restore_asi_fp:
VISExitHalf
__restore_asi:
retl
wr %g0, ASI_AIUS, %asi
ENTRY(NG4_retl_o2)
ba,pt %xcc, __restore_asi
mov %o2, %o0
ENDPROC(NG4_retl_o2)
ENTRY(NG4_retl_o2_plus_1)
ba,pt %xcc, __restore_asi
add %o2, 1, %o0
ENDPROC(NG4_retl_o2_plus_1)
ENTRY(NG4_retl_o2_plus_4)
ba,pt %xcc, __restore_asi
add %o2, 4, %o0
ENDPROC(NG4_retl_o2_plus_4)
ENTRY(NG4_retl_o2_plus_o5)
ba,pt %xcc, __restore_asi
add %o2, %o5, %o0
ENDPROC(NG4_retl_o2_plus_o5)
ENTRY(NG4_retl_o2_plus_o5_plus_4)
add %o5, 4, %o5
ba,pt %xcc, __restore_asi
add %o2, %o5, %o0
ENDPROC(NG4_retl_o2_plus_o5_plus_4)
ENTRY(NG4_retl_o2_plus_o5_plus_8)
add %o5, 8, %o5
ba,pt %xcc, __restore_asi
add %o2, %o5, %o0
ENDPROC(NG4_retl_o2_plus_o5_plus_8)
ENTRY(NG4_retl_o2_plus_o5_plus_16)
add %o5, 16, %o5
ba,pt %xcc, __restore_asi
add %o2, %o5, %o0
ENDPROC(NG4_retl_o2_plus_o5_plus_16)
ENTRY(NG4_retl_o2_plus_o5_plus_24)
add %o5, 24, %o5
ba,pt %xcc, __restore_asi
add %o2, %o5, %o0
ENDPROC(NG4_retl_o2_plus_o5_plus_24)
ENTRY(NG4_retl_o2_plus_o5_plus_32)
add %o5, 32, %o5
ba,pt %xcc, __restore_asi
add %o2, %o5, %o0
ENDPROC(NG4_retl_o2_plus_o5_plus_32)
ENTRY(NG4_retl_o2_plus_g1)
ba,pt %xcc, __restore_asi
add %o2, %g1, %o0
ENDPROC(NG4_retl_o2_plus_g1)
ENTRY(NG4_retl_o2_plus_g1_plus_1)
add %g1, 1, %g1
ba,pt %xcc, __restore_asi
add %o2, %g1, %o0
ENDPROC(NG4_retl_o2_plus_g1_plus_1)
ENTRY(NG4_retl_o2_plus_g1_plus_8)
add %g1, 8, %g1
ba,pt %xcc, __restore_asi
add %o2, %g1, %o0
ENDPROC(NG4_retl_o2_plus_g1_plus_8)
ENTRY(NG4_retl_o2_plus_o4)
ba,pt %xcc, __restore_asi
add %o2, %o4, %o0
ENDPROC(NG4_retl_o2_plus_o4)
ENTRY(NG4_retl_o2_plus_o4_plus_8)
add %o4, 8, %o4
ba,pt %xcc, __restore_asi
add %o2, %o4, %o0
ENDPROC(NG4_retl_o2_plus_o4_plus_8)
ENTRY(NG4_retl_o2_plus_o4_plus_16)
add %o4, 16, %o4
ba,pt %xcc, __restore_asi
add %o2, %o4, %o0
ENDPROC(NG4_retl_o2_plus_o4_plus_16)
ENTRY(NG4_retl_o2_plus_o4_plus_24)
add %o4, 24, %o4
ba,pt %xcc, __restore_asi
add %o2, %o4, %o0
ENDPROC(NG4_retl_o2_plus_o4_plus_24)
ENTRY(NG4_retl_o2_plus_o4_plus_32)
add %o4, 32, %o4
ba,pt %xcc, __restore_asi
add %o2, %o4, %o0
ENDPROC(NG4_retl_o2_plus_o4_plus_32)
ENTRY(NG4_retl_o2_plus_o4_plus_40)
add %o4, 40, %o4
ba,pt %xcc, __restore_asi
add %o2, %o4, %o0
ENDPROC(NG4_retl_o2_plus_o4_plus_40)
ENTRY(NG4_retl_o2_plus_o4_plus_48)
add %o4, 48, %o4
ba,pt %xcc, __restore_asi
add %o2, %o4, %o0
ENDPROC(NG4_retl_o2_plus_o4_plus_48)
ENTRY(NG4_retl_o2_plus_o4_plus_56)
add %o4, 56, %o4
ba,pt %xcc, __restore_asi
add %o2, %o4, %o0
ENDPROC(NG4_retl_o2_plus_o4_plus_56)
ENTRY(NG4_retl_o2_plus_o4_plus_64)
add %o4, 64, %o4
ba,pt %xcc, __restore_asi
add %o2, %o4, %o0
ENDPROC(NG4_retl_o2_plus_o4_plus_64)
ENTRY(NG4_retl_o2_plus_o4_fp)
ba,pt %xcc, __restore_asi_fp
add %o2, %o4, %o0
ENDPROC(NG4_retl_o2_plus_o4_fp)
ENTRY(NG4_retl_o2_plus_o4_plus_8_fp)
add %o4, 8, %o4
ba,pt %xcc, __restore_asi_fp
add %o2, %o4, %o0
ENDPROC(NG4_retl_o2_plus_o4_plus_8_fp)
ENTRY(NG4_retl_o2_plus_o4_plus_16_fp)
add %o4, 16, %o4
ba,pt %xcc, __restore_asi_fp
add %o2, %o4, %o0
ENDPROC(NG4_retl_o2_plus_o4_plus_16_fp)
ENTRY(NG4_retl_o2_plus_o4_plus_24_fp)
add %o4, 24, %o4
ba,pt %xcc, __restore_asi_fp
add %o2, %o4, %o0
ENDPROC(NG4_retl_o2_plus_o4_plus_24_fp)
ENTRY(NG4_retl_o2_plus_o4_plus_32_fp)
add %o4, 32, %o4
ba,pt %xcc, __restore_asi_fp
add %o2, %o4, %o0
ENDPROC(NG4_retl_o2_plus_o4_plus_32_fp)
ENTRY(NG4_retl_o2_plus_o4_plus_40_fp)
add %o4, 40, %o4
ba,pt %xcc, __restore_asi_fp
add %o2, %o4, %o0
ENDPROC(NG4_retl_o2_plus_o4_plus_40_fp)
ENTRY(NG4_retl_o2_plus_o4_plus_48_fp)
add %o4, 48, %o4
ba,pt %xcc, __restore_asi_fp
add %o2, %o4, %o0
ENDPROC(NG4_retl_o2_plus_o4_plus_48_fp)
ENTRY(NG4_retl_o2_plus_o4_plus_56_fp)
add %o4, 56, %o4
ba,pt %xcc, __restore_asi_fp
add %o2, %o4, %o0
ENDPROC(NG4_retl_o2_plus_o4_plus_56_fp)
ENTRY(NG4_retl_o2_plus_o4_plus_64_fp)
add %o4, 64, %o4
ba,pt %xcc, __restore_asi_fp
add %o2, %o4, %o0
ENDPROC(NG4_retl_o2_plus_o4_plus_64_fp)
#endif
.align 64 .align 64
.globl FUNC_NAME .globl FUNC_NAME
...@@ -124,12 +274,13 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */ ...@@ -124,12 +274,13 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */
brz,pt %g1, 51f brz,pt %g1, 51f
sub %o2, %g1, %o2 sub %o2, %g1, %o2
1: EX_LD(LOAD(ldub, %o1 + 0x00, %g2))
1: EX_LD(LOAD(ldub, %o1 + 0x00, %g2), NG4_retl_o2_plus_g1)
add %o1, 1, %o1 add %o1, 1, %o1
subcc %g1, 1, %g1 subcc %g1, 1, %g1
add %o0, 1, %o0 add %o0, 1, %o0
bne,pt %icc, 1b bne,pt %icc, 1b
EX_ST(STORE(stb, %g2, %o0 - 0x01)) EX_ST(STORE(stb, %g2, %o0 - 0x01), NG4_retl_o2_plus_g1_plus_1)
51: LOAD(prefetch, %o1 + 0x040, #n_reads_strong) 51: LOAD(prefetch, %o1 + 0x040, #n_reads_strong)
LOAD(prefetch, %o1 + 0x080, #n_reads_strong) LOAD(prefetch, %o1 + 0x080, #n_reads_strong)
...@@ -154,43 +305,43 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */ ...@@ -154,43 +305,43 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */
brz,pt %g1, .Llarge_aligned brz,pt %g1, .Llarge_aligned
sub %o2, %g1, %o2 sub %o2, %g1, %o2
1: EX_LD(LOAD(ldx, %o1 + 0x00, %g2)) 1: EX_LD(LOAD(ldx, %o1 + 0x00, %g2), NG4_retl_o2_plus_g1)
add %o1, 8, %o1 add %o1, 8, %o1
subcc %g1, 8, %g1 subcc %g1, 8, %g1
add %o0, 8, %o0 add %o0, 8, %o0
bne,pt %icc, 1b bne,pt %icc, 1b
EX_ST(STORE(stx, %g2, %o0 - 0x08)) EX_ST(STORE(stx, %g2, %o0 - 0x08), NG4_retl_o2_plus_g1_plus_8)
.Llarge_aligned: .Llarge_aligned:
/* len >= 0x80 && src 8-byte aligned && dest 8-byte aligned */ /* len >= 0x80 && src 8-byte aligned && dest 8-byte aligned */
andn %o2, 0x3f, %o4 andn %o2, 0x3f, %o4
sub %o2, %o4, %o2 sub %o2, %o4, %o2
1: EX_LD(LOAD(ldx, %o1 + 0x00, %g1)) 1: EX_LD(LOAD(ldx, %o1 + 0x00, %g1), NG4_retl_o2_plus_o4)
add %o1, 0x40, %o1 add %o1, 0x40, %o1
EX_LD(LOAD(ldx, %o1 - 0x38, %g2)) EX_LD(LOAD(ldx, %o1 - 0x38, %g2), NG4_retl_o2_plus_o4)
subcc %o4, 0x40, %o4 subcc %o4, 0x40, %o4
EX_LD(LOAD(ldx, %o1 - 0x30, %g3)) EX_LD(LOAD(ldx, %o1 - 0x30, %g3), NG4_retl_o2_plus_o4_plus_64)
EX_LD(LOAD(ldx, %o1 - 0x28, GLOBAL_SPARE)) EX_LD(LOAD(ldx, %o1 - 0x28, GLOBAL_SPARE), NG4_retl_o2_plus_o4_plus_64)
EX_LD(LOAD(ldx, %o1 - 0x20, %o5)) EX_LD(LOAD(ldx, %o1 - 0x20, %o5), NG4_retl_o2_plus_o4_plus_64)
EX_ST(STORE_INIT(%g1, %o0)) EX_ST(STORE_INIT(%g1, %o0), NG4_retl_o2_plus_o4_plus_64)
add %o0, 0x08, %o0 add %o0, 0x08, %o0
EX_ST(STORE_INIT(%g2, %o0)) EX_ST(STORE_INIT(%g2, %o0), NG4_retl_o2_plus_o4_plus_56)
add %o0, 0x08, %o0 add %o0, 0x08, %o0
EX_LD(LOAD(ldx, %o1 - 0x18, %g2)) EX_LD(LOAD(ldx, %o1 - 0x18, %g2), NG4_retl_o2_plus_o4_plus_48)
EX_ST(STORE_INIT(%g3, %o0)) EX_ST(STORE_INIT(%g3, %o0), NG4_retl_o2_plus_o4_plus_48)
add %o0, 0x08, %o0 add %o0, 0x08, %o0
EX_LD(LOAD(ldx, %o1 - 0x10, %g3)) EX_LD(LOAD(ldx, %o1 - 0x10, %g3), NG4_retl_o2_plus_o4_plus_40)
EX_ST(STORE_INIT(GLOBAL_SPARE, %o0)) EX_ST(STORE_INIT(GLOBAL_SPARE, %o0), NG4_retl_o2_plus_o4_plus_40)
add %o0, 0x08, %o0 add %o0, 0x08, %o0
EX_LD(LOAD(ldx, %o1 - 0x08, GLOBAL_SPARE)) EX_LD(LOAD(ldx, %o1 - 0x08, GLOBAL_SPARE), NG4_retl_o2_plus_o4_plus_32)
EX_ST(STORE_INIT(%o5, %o0)) EX_ST(STORE_INIT(%o5, %o0), NG4_retl_o2_plus_o4_plus_32)
add %o0, 0x08, %o0 add %o0, 0x08, %o0
EX_ST(STORE_INIT(%g2, %o0)) EX_ST(STORE_INIT(%g2, %o0), NG4_retl_o2_plus_o4_plus_24)
add %o0, 0x08, %o0 add %o0, 0x08, %o0
EX_ST(STORE_INIT(%g3, %o0)) EX_ST(STORE_INIT(%g3, %o0), NG4_retl_o2_plus_o4_plus_16)
add %o0, 0x08, %o0 add %o0, 0x08, %o0
EX_ST(STORE_INIT(GLOBAL_SPARE, %o0)) EX_ST(STORE_INIT(GLOBAL_SPARE, %o0), NG4_retl_o2_plus_o4_plus_8)
add %o0, 0x08, %o0 add %o0, 0x08, %o0
bne,pt %icc, 1b bne,pt %icc, 1b
LOAD(prefetch, %o1 + 0x200, #n_reads_strong) LOAD(prefetch, %o1 + 0x200, #n_reads_strong)
...@@ -216,17 +367,17 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */ ...@@ -216,17 +367,17 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */
sub %o2, %o4, %o2 sub %o2, %o4, %o2
alignaddr %o1, %g0, %g1 alignaddr %o1, %g0, %g1
add %o1, %o4, %o1 add %o1, %o4, %o1
EX_LD_FP(LOAD(ldd, %g1 + 0x00, %f0)) EX_LD_FP(LOAD(ldd, %g1 + 0x00, %f0), NG4_retl_o2_plus_o4)
1: EX_LD_FP(LOAD(ldd, %g1 + 0x08, %f2)) 1: EX_LD_FP(LOAD(ldd, %g1 + 0x08, %f2), NG4_retl_o2_plus_o4)
subcc %o4, 0x40, %o4 subcc %o4, 0x40, %o4
EX_LD_FP(LOAD(ldd, %g1 + 0x10, %f4)) EX_LD_FP(LOAD(ldd, %g1 + 0x10, %f4), NG4_retl_o2_plus_o4_plus_64)
EX_LD_FP(LOAD(ldd, %g1 + 0x18, %f6)) EX_LD_FP(LOAD(ldd, %g1 + 0x18, %f6), NG4_retl_o2_plus_o4_plus_64)
EX_LD_FP(LOAD(ldd, %g1 + 0x20, %f8)) EX_LD_FP(LOAD(ldd, %g1 + 0x20, %f8), NG4_retl_o2_plus_o4_plus_64)
EX_LD_FP(LOAD(ldd, %g1 + 0x28, %f10)) EX_LD_FP(LOAD(ldd, %g1 + 0x28, %f10), NG4_retl_o2_plus_o4_plus_64)
EX_LD_FP(LOAD(ldd, %g1 + 0x30, %f12)) EX_LD_FP(LOAD(ldd, %g1 + 0x30, %f12), NG4_retl_o2_plus_o4_plus_64)
EX_LD_FP(LOAD(ldd, %g1 + 0x38, %f14)) EX_LD_FP(LOAD(ldd, %g1 + 0x38, %f14), NG4_retl_o2_plus_o4_plus_64)
faligndata %f0, %f2, %f16 faligndata %f0, %f2, %f16
EX_LD_FP(LOAD(ldd, %g1 + 0x40, %f0)) EX_LD_FP(LOAD(ldd, %g1 + 0x40, %f0), NG4_retl_o2_plus_o4_plus_64)
faligndata %f2, %f4, %f18 faligndata %f2, %f4, %f18
add %g1, 0x40, %g1 add %g1, 0x40, %g1
faligndata %f4, %f6, %f20 faligndata %f4, %f6, %f20
...@@ -235,14 +386,14 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */ ...@@ -235,14 +386,14 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */
faligndata %f10, %f12, %f26 faligndata %f10, %f12, %f26
faligndata %f12, %f14, %f28 faligndata %f12, %f14, %f28
faligndata %f14, %f0, %f30 faligndata %f14, %f0, %f30
EX_ST_FP(STORE(std, %f16, %o0 + 0x00)) EX_ST_FP(STORE(std, %f16, %o0 + 0x00), NG4_retl_o2_plus_o4_plus_64)
EX_ST_FP(STORE(std, %f18, %o0 + 0x08)) EX_ST_FP(STORE(std, %f18, %o0 + 0x08), NG4_retl_o2_plus_o4_plus_56)
EX_ST_FP(STORE(std, %f20, %o0 + 0x10)) EX_ST_FP(STORE(std, %f20, %o0 + 0x10), NG4_retl_o2_plus_o4_plus_48)
EX_ST_FP(STORE(std, %f22, %o0 + 0x18)) EX_ST_FP(STORE(std, %f22, %o0 + 0x18), NG4_retl_o2_plus_o4_plus_40)
EX_ST_FP(STORE(std, %f24, %o0 + 0x20)) EX_ST_FP(STORE(std, %f24, %o0 + 0x20), NG4_retl_o2_plus_o4_plus_32)
EX_ST_FP(STORE(std, %f26, %o0 + 0x28)) EX_ST_FP(STORE(std, %f26, %o0 + 0x28), NG4_retl_o2_plus_o4_plus_24)
EX_ST_FP(STORE(std, %f28, %o0 + 0x30)) EX_ST_FP(STORE(std, %f28, %o0 + 0x30), NG4_retl_o2_plus_o4_plus_16)
EX_ST_FP(STORE(std, %f30, %o0 + 0x38)) EX_ST_FP(STORE(std, %f30, %o0 + 0x38), NG4_retl_o2_plus_o4_plus_8)
add %o0, 0x40, %o0 add %o0, 0x40, %o0
bne,pt %icc, 1b bne,pt %icc, 1b
LOAD(prefetch, %g1 + 0x200, #n_reads_strong) LOAD(prefetch, %g1 + 0x200, #n_reads_strong)
...@@ -270,37 +421,38 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */ ...@@ -270,37 +421,38 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */
andncc %o2, 0x20 - 1, %o5 andncc %o2, 0x20 - 1, %o5
be,pn %icc, 2f be,pn %icc, 2f
sub %o2, %o5, %o2 sub %o2, %o5, %o2
1: EX_LD(LOAD(ldx, %o1 + 0x00, %g1)) 1: EX_LD(LOAD(ldx, %o1 + 0x00, %g1), NG4_retl_o2_plus_o5)
EX_LD(LOAD(ldx, %o1 + 0x08, %g2)) EX_LD(LOAD(ldx, %o1 + 0x08, %g2), NG4_retl_o2_plus_o5)
EX_LD(LOAD(ldx, %o1 + 0x10, GLOBAL_SPARE)) EX_LD(LOAD(ldx, %o1 + 0x10, GLOBAL_SPARE), NG4_retl_o2_plus_o5)
EX_LD(LOAD(ldx, %o1 + 0x18, %o4)) EX_LD(LOAD(ldx, %o1 + 0x18, %o4), NG4_retl_o2_plus_o5)
add %o1, 0x20, %o1 add %o1, 0x20, %o1
subcc %o5, 0x20, %o5 subcc %o5, 0x20, %o5
EX_ST(STORE(stx, %g1, %o0 + 0x00)) EX_ST(STORE(stx, %g1, %o0 + 0x00), NG4_retl_o2_plus_o5_plus_32)
EX_ST(STORE(stx, %g2, %o0 + 0x08)) EX_ST(STORE(stx, %g2, %o0 + 0x08), NG4_retl_o2_plus_o5_plus_24)
EX_ST(STORE(stx, GLOBAL_SPARE, %o0 + 0x10)) EX_ST(STORE(stx, GLOBAL_SPARE, %o0 + 0x10), NG4_retl_o2_plus_o5_plus_24)
EX_ST(STORE(stx, %o4, %o0 + 0x18)) EX_ST(STORE(stx, %o4, %o0 + 0x18), NG4_retl_o2_plus_o5_plus_8)
bne,pt %icc, 1b bne,pt %icc, 1b
add %o0, 0x20, %o0 add %o0, 0x20, %o0
2: andcc %o2, 0x18, %o5 2: andcc %o2, 0x18, %o5
be,pt %icc, 3f be,pt %icc, 3f
sub %o2, %o5, %o2 sub %o2, %o5, %o2
1: EX_LD(LOAD(ldx, %o1 + 0x00, %g1))
1: EX_LD(LOAD(ldx, %o1 + 0x00, %g1), NG4_retl_o2_plus_o5)
add %o1, 0x08, %o1 add %o1, 0x08, %o1
add %o0, 0x08, %o0 add %o0, 0x08, %o0
subcc %o5, 0x08, %o5 subcc %o5, 0x08, %o5
bne,pt %icc, 1b bne,pt %icc, 1b
EX_ST(STORE(stx, %g1, %o0 - 0x08)) EX_ST(STORE(stx, %g1, %o0 - 0x08), NG4_retl_o2_plus_o5_plus_8)
3: brz,pt %o2, .Lexit 3: brz,pt %o2, .Lexit
cmp %o2, 0x04 cmp %o2, 0x04
bl,pn %icc, .Ltiny bl,pn %icc, .Ltiny
nop nop
EX_LD(LOAD(lduw, %o1 + 0x00, %g1)) EX_LD(LOAD(lduw, %o1 + 0x00, %g1), NG4_retl_o2)
add %o1, 0x04, %o1 add %o1, 0x04, %o1
add %o0, 0x04, %o0 add %o0, 0x04, %o0
subcc %o2, 0x04, %o2 subcc %o2, 0x04, %o2
bne,pn %icc, .Ltiny bne,pn %icc, .Ltiny
EX_ST(STORE(stw, %g1, %o0 - 0x04)) EX_ST(STORE(stw, %g1, %o0 - 0x04), NG4_retl_o2_plus_4)
ba,a,pt %icc, .Lexit ba,a,pt %icc, .Lexit
.Lmedium_unaligned: .Lmedium_unaligned:
/* First get dest 8 byte aligned. */ /* First get dest 8 byte aligned. */
...@@ -309,12 +461,12 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */ ...@@ -309,12 +461,12 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */
brz,pt %g1, 2f brz,pt %g1, 2f
sub %o2, %g1, %o2 sub %o2, %g1, %o2
1: EX_LD(LOAD(ldub, %o1 + 0x00, %g2)) 1: EX_LD(LOAD(ldub, %o1 + 0x00, %g2), NG4_retl_o2_plus_g1)
add %o1, 1, %o1 add %o1, 1, %o1
subcc %g1, 1, %g1 subcc %g1, 1, %g1
add %o0, 1, %o0 add %o0, 1, %o0
bne,pt %icc, 1b bne,pt %icc, 1b
EX_ST(STORE(stb, %g2, %o0 - 0x01)) EX_ST(STORE(stb, %g2, %o0 - 0x01), NG4_retl_o2_plus_g1_plus_1)
2: 2:
and %o1, 0x7, %g1 and %o1, 0x7, %g1
brz,pn %g1, .Lmedium_noprefetch brz,pn %g1, .Lmedium_noprefetch
...@@ -322,16 +474,16 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */ ...@@ -322,16 +474,16 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */
mov 64, %g2 mov 64, %g2
sub %g2, %g1, %g2 sub %g2, %g1, %g2
andn %o1, 0x7, %o1 andn %o1, 0x7, %o1
EX_LD(LOAD(ldx, %o1 + 0x00, %o4)) EX_LD(LOAD(ldx, %o1 + 0x00, %o4), NG4_retl_o2)
sllx %o4, %g1, %o4 sllx %o4, %g1, %o4
andn %o2, 0x08 - 1, %o5 andn %o2, 0x08 - 1, %o5
sub %o2, %o5, %o2 sub %o2, %o5, %o2
1: EX_LD(LOAD(ldx, %o1 + 0x08, %g3)) 1: EX_LD(LOAD(ldx, %o1 + 0x08, %g3), NG4_retl_o2_plus_o5)
add %o1, 0x08, %o1 add %o1, 0x08, %o1
subcc %o5, 0x08, %o5 subcc %o5, 0x08, %o5
srlx %g3, %g2, GLOBAL_SPARE srlx %g3, %g2, GLOBAL_SPARE
or GLOBAL_SPARE, %o4, GLOBAL_SPARE or GLOBAL_SPARE, %o4, GLOBAL_SPARE
EX_ST(STORE(stx, GLOBAL_SPARE, %o0 + 0x00)) EX_ST(STORE(stx, GLOBAL_SPARE, %o0 + 0x00), NG4_retl_o2_plus_o5_plus_8)
add %o0, 0x08, %o0 add %o0, 0x08, %o0
bne,pt %icc, 1b bne,pt %icc, 1b
sllx %g3, %g1, %o4 sllx %g3, %g1, %o4
...@@ -342,17 +494,17 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */ ...@@ -342,17 +494,17 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */
ba,pt %icc, .Lsmall_unaligned ba,pt %icc, .Lsmall_unaligned
.Ltiny: .Ltiny:
EX_LD(LOAD(ldub, %o1 + 0x00, %g1)) EX_LD(LOAD(ldub, %o1 + 0x00, %g1), NG4_retl_o2)
subcc %o2, 1, %o2 subcc %o2, 1, %o2
be,pn %icc, .Lexit be,pn %icc, .Lexit
EX_ST(STORE(stb, %g1, %o0 + 0x00)) EX_ST(STORE(stb, %g1, %o0 + 0x00), NG4_retl_o2_plus_1)
EX_LD(LOAD(ldub, %o1 + 0x01, %g1)) EX_LD(LOAD(ldub, %o1 + 0x01, %g1), NG4_retl_o2)
subcc %o2, 1, %o2 subcc %o2, 1, %o2
be,pn %icc, .Lexit be,pn %icc, .Lexit
EX_ST(STORE(stb, %g1, %o0 + 0x01)) EX_ST(STORE(stb, %g1, %o0 + 0x01), NG4_retl_o2_plus_1)
EX_LD(LOAD(ldub, %o1 + 0x02, %g1)) EX_LD(LOAD(ldub, %o1 + 0x02, %g1), NG4_retl_o2)
ba,pt %icc, .Lexit ba,pt %icc, .Lexit
EX_ST(STORE(stb, %g1, %o0 + 0x02)) EX_ST(STORE(stb, %g1, %o0 + 0x02), NG4_retl_o2)
.Lsmall: .Lsmall:
andcc %g2, 0x3, %g0 andcc %g2, 0x3, %g0
...@@ -360,22 +512,22 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */ ...@@ -360,22 +512,22 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */
andn %o2, 0x4 - 1, %o5 andn %o2, 0x4 - 1, %o5
sub %o2, %o5, %o2 sub %o2, %o5, %o2
1: 1:
EX_LD(LOAD(lduw, %o1 + 0x00, %g1)) EX_LD(LOAD(lduw, %o1 + 0x00, %g1), NG4_retl_o2_plus_o5)
add %o1, 0x04, %o1 add %o1, 0x04, %o1
subcc %o5, 0x04, %o5 subcc %o5, 0x04, %o5
add %o0, 0x04, %o0 add %o0, 0x04, %o0
bne,pt %icc, 1b bne,pt %icc, 1b
EX_ST(STORE(stw, %g1, %o0 - 0x04)) EX_ST(STORE(stw, %g1, %o0 - 0x04), NG4_retl_o2_plus_o5_plus_4)
brz,pt %o2, .Lexit brz,pt %o2, .Lexit
nop nop
ba,a,pt %icc, .Ltiny ba,a,pt %icc, .Ltiny
.Lsmall_unaligned: .Lsmall_unaligned:
1: EX_LD(LOAD(ldub, %o1 + 0x00, %g1)) 1: EX_LD(LOAD(ldub, %o1 + 0x00, %g1), NG4_retl_o2)
add %o1, 1, %o1 add %o1, 1, %o1
add %o0, 1, %o0 add %o0, 1, %o0
subcc %o2, 1, %o2 subcc %o2, 1, %o2
bne,pt %icc, 1b bne,pt %icc, 1b
EX_ST(STORE(stb, %g1, %o0 - 0x01)) EX_ST(STORE(stb, %g1, %o0 - 0x01), NG4_retl_o2_plus_1)
ba,a,pt %icc, .Lexit ba,a,pt %icc, .Lexit
.size FUNC_NAME, .-FUNC_NAME .size FUNC_NAME, .-FUNC_NAME
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment
GitLab Nexedi Edition | About GitLab | About Nexedi | 沪ICP备2021021310号-2 | 沪ICP备2021021310号-7