diff options
| author | Ralf Baechle <ralf@linux-mips.org> | 1997-06-01 03:16:17 +0000 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 1997-06-01 03:16:17 +0000 |
| commit | d8d9b8f76f22b7a16a83e261e64f89ee611f49df (patch) | |
| tree | 3067bc130b80d52808e6390c9fc7fc087ec1e33c /arch/sparc64/lib/blockops.S | |
| parent | 19c9bba94152148523ba0f7ef7cffe3d45656b11 (diff) | |
Initial revision
Diffstat (limited to 'arch/sparc64/lib/blockops.S')
| -rw-r--r-- | arch/sparc64/lib/blockops.S | 66 |
1 files changed, 33 insertions, 33 deletions
diff --git a/arch/sparc64/lib/blockops.S b/arch/sparc64/lib/blockops.S index b3f06c18d..d0f023d1b 100644 --- a/arch/sparc64/lib/blockops.S +++ b/arch/sparc64/lib/blockops.S @@ -1,4 +1,4 @@ -/* $Id: blockops.S,v 1.5 1997/03/26 18:34:28 jj Exp $ +/* $Id: blockops.S,v 1.6 1997/05/18 04:16:49 davem Exp $ * arch/sparc64/lib/blockops.S: UltraSparc block zero optimized routines. * * Copyright (C) 1996 David S. Miller (davem@caip.rutgers.edu) @@ -31,37 +31,8 @@ .text .align 4 - .globl bzero_2page, bzero_1page -bzero_2page: - /* %o0 = buf */ - mov %o0, %o1 - wr %g0, ASI_BLK_P, %asi - mov 0x10, %g2 - - membar #Sync|#StoreLoad - - fzero %f48 - fzero %f50 - fzero %f52 - fzero %f54 - fzero %f56 - fzero %f58 - fzero %f60 - fzero %f62 -1: - BLAST_BLOCK(%o0, 0x000) - BLAST_BLOCK(%o0, 0x100) - BLAST_BLOCK(%o0, 0x200) - BLAST_BLOCK(%o0, 0x300) - subcc %g2, 1, %g2 - bne,pt %icc, 1b - add %o0, 0x400, %o0 - - membar #Sync|#LoadStore|#StoreStore - - retl - mov %o1, %o0 - +#if 0 + .globl bzero_1page bzero_1page: /* %o0 = buf */ mov %o0, %o1 @@ -89,9 +60,36 @@ bzero_1page: retl mov %o1, %o0 +#endif .globl __bfill64 __bfill64: +#if 1 + /* %o0 = buf, %o1 = 64-bit pattern */ +#define FILL_BLOCK(buf, offset) \ + stx %o1, [buf + offset + 0x38]; \ + stx %o1, [buf + offset + 0x30]; \ + stx %o1, [buf + offset + 0x28]; \ + stx %o1, [buf + offset + 0x20]; \ + stx %o1, [buf + offset + 0x18]; \ + stx %o1, [buf + offset + 0x10]; \ + stx %o1, [buf + offset + 0x08]; \ + stx %o1, [buf + offset + 0x00]; + + mov 0x20, %g2 +1: + FILL_BLOCK(%o0, 0x00) + FILL_BLOCK(%o0, 0x40) + FILL_BLOCK(%o0, 0x80) + FILL_BLOCK(%o0, 0xc0) + subcc %g2, 1, %g2 + bne,pt %icc, 1b + add %o0, 0x100, %o0 + retl + nop +#undef FILL_BLOCK + +#else /* %o0 = buf */ stx %o1, [%sp + 0x7ff + 128] wr %g0, ASI_BLK_P, %asi @@ -116,7 +114,9 @@ __bfill64: retl membar #Sync|#LoadStore|#StoreStore +#endif +#if 0 .globl __copy_1page __copy_1page: /* %o0 = dst, %o1 = src */ @@ -135,4 +135,4 @@ __copy_1page: retl membar #Sync|#LoadStore|#StoreStore - +#endif |