diff options
Diffstat (limited to 'arch/sparc/lib/memcpy.S')
| -rw-r--r-- | arch/sparc/lib/memcpy.S | 86 |
1 files changed, 3 insertions, 83 deletions
diff --git a/arch/sparc/lib/memcpy.S b/arch/sparc/lib/memcpy.S index 4d8c497517bd..8913feaa7ac7 100644 --- a/arch/sparc/lib/memcpy.S +++ b/arch/sparc/lib/memcpy.S @@ -7,6 +7,7 @@ * Copyright (C) 1996 Jakub Jelinek (jj@sunsite.mff.cuni.cz) */ +#include <asm/export.h> #define FUNC(x) \ .globl x; \ .type x,@function; \ @@ -58,93 +59,11 @@ x: stb %t0, [%dst - (offset) - 0x02]; \ stb %t1, [%dst - (offset) - 0x01]; -/* Both these macros have to start with exactly the same insn */ -#define RMOVE_BIGCHUNK(src, dst, offset, t0, t1, t2, t3, t4, t5, t6, t7) \ - ldd [%src - (offset) - 0x20], %t0; \ - ldd [%src - (offset) - 0x18], %t2; \ - ldd [%src - (offset) - 0x10], %t4; \ - ldd [%src - (offset) - 0x08], %t6; \ - st %t0, [%dst - (offset) - 0x20]; \ - st %t1, [%dst - (offset) - 0x1c]; \ - st %t2, [%dst - (offset) - 0x18]; \ - st %t3, [%dst - (offset) - 0x14]; \ - st %t4, [%dst - (offset) - 0x10]; \ - st %t5, [%dst - (offset) - 0x0c]; \ - st %t6, [%dst - (offset) - 0x08]; \ - st %t7, [%dst - (offset) - 0x04]; - -#define RMOVE_BIGALIGNCHUNK(src, dst, offset, t0, t1, t2, t3, t4, t5, t6, t7) \ - ldd [%src - (offset) - 0x20], %t0; \ - ldd [%src - (offset) - 0x18], %t2; \ - ldd [%src - (offset) - 0x10], %t4; \ - ldd [%src - (offset) - 0x08], %t6; \ - std %t0, [%dst - (offset) - 0x20]; \ - std %t2, [%dst - (offset) - 0x18]; \ - std %t4, [%dst - (offset) - 0x10]; \ - std %t6, [%dst - (offset) - 0x08]; - -#define RMOVE_LASTCHUNK(src, dst, offset, t0, t1, t2, t3) \ - ldd [%src + (offset) + 0x00], %t0; \ - ldd [%src + (offset) + 0x08], %t2; \ - st %t0, [%dst + (offset) + 0x00]; \ - st %t1, [%dst + (offset) + 0x04]; \ - st %t2, [%dst + (offset) + 0x08]; \ - st %t3, [%dst + (offset) + 0x0c]; - -#define RMOVE_SHORTCHUNK(src, dst, offset, t0, t1) \ - ldub [%src + (offset) + 0x00], %t0; \ - ldub [%src + (offset) + 0x01], %t1; \ - stb %t0, [%dst + (offset) + 0x00]; \ - stb %t1, [%dst + (offset) + 0x01]; - -#define SMOVE_CHUNK(src, dst, offset, t0, t1, t2, t3, t4, t5, t6, prev, shil, shir, offset2) \ - ldd [%src + (offset) + 0x00], %t0; \ - ldd [%src + (offset) + 0x08], %t2; \ - srl %t0, shir, %t5; \ - srl %t1, shir, %t6; \ - sll %t0, shil, %t0; \ - or %t5, %prev, %t5; \ - sll %t1, shil, %prev; \ - or %t6, %t0, %t0; \ - srl %t2, shir, %t1; \ - srl %t3, shir, %t6; \ - sll %t2, shil, %t2; \ - or %t1, %prev, %t1; \ - std %t4, [%dst + (offset) + (offset2) - 0x04]; \ - std %t0, [%dst + (offset) + (offset2) + 0x04]; \ - sll %t3, shil, %prev; \ - or %t6, %t2, %t4; - -#define SMOVE_ALIGNCHUNK(src, dst, offset, t0, t1, t2, t3, t4, t5, t6, prev, shil, shir, offset2) \ - ldd [%src + (offset) + 0x00], %t0; \ - ldd [%src + (offset) + 0x08], %t2; \ - srl %t0, shir, %t4; \ - srl %t1, shir, %t5; \ - sll %t0, shil, %t6; \ - or %t4, %prev, %t0; \ - sll %t1, shil, %prev; \ - or %t5, %t6, %t1; \ - srl %t2, shir, %t4; \ - srl %t3, shir, %t5; \ - sll %t2, shil, %t6; \ - or %t4, %prev, %t2; \ - sll %t3, shil, %prev; \ - or %t5, %t6, %t3; \ - std %t0, [%dst + (offset) + (offset2) + 0x00]; \ - std %t2, [%dst + (offset) + (offset2) + 0x08]; - .text .align 4 -0: - retl - nop ! Only bcopy returns here and it retuns void... - -#ifdef __KERNEL__ -FUNC(amemmove) -FUNC(__memmove) -#endif FUNC(memmove) +EXPORT_SYMBOL(memmove) cmp %o0, %o1 mov %o0, %g7 bleu 9f @@ -202,6 +121,7 @@ FUNC(memmove) add %o0, 2, %o0 FUNC(memcpy) /* %o0=dst %o1=src %o2=len */ +EXPORT_SYMBOL(memcpy) sub %o0, %o1, %o4 mov %o0, %g7 |