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/* $Id: blockops.S,v 1.14 1998/06/12 14:53:46 jj Exp $
* blockops.S: UltraSparc block zero optimized routines.
*
* Copyright (C) 1996,1998 David S. Miller (davem@caip.rutgers.edu)
* Copyright (C) 1997 Jakub Jelinek (jj@sunsite.mff.cuni.cz)
*/
#include "VIS.h"
#include <asm/visasm.h>
#define TOUCH(reg0, reg1, reg2, reg3, reg4, reg5, reg6, reg7) \
fmovd %reg0, %f48; fmovd %reg1, %f50; \
fmovd %reg2, %f52; fmovd %reg3, %f54; \
fmovd %reg4, %f56; fmovd %reg5, %f58; \
fmovd %reg6, %f60; fmovd %reg7, %f62;
.text
.align 32
.globl copy_page
.type copy_page,@function
copy_page: /* %o0=dest, %o1=src */
VISEntry
membar #LoadStore | #StoreStore | #StoreLoad
ldda [%o1] ASI_BLK_P, %f0
add %o1, 0x40, %o1
ldda [%o1] ASI_BLK_P, %f16
add %o1, 0x40, %o1
sethi %hi(8192), %o2
1: TOUCH(f0, f2, f4, f6, f8, f10, f12, f14)
ldda [%o1] ASI_BLK_P, %f32
add %o1, 0x40, %o1
sub %o2, 0x40, %o2
stda %f48, [%o0] ASI_BLK_P
add %o0, 0x40, %o0
TOUCH(f16, f18, f20, f22, f24, f26, f28, f30)
ldda [%o1] ASI_BLK_P, %f0
add %o1, 0x40, %o1
sub %o2, 0x40, %o2
stda %f48, [%o0] ASI_BLK_P
add %o0, 0x40, %o0
TOUCH(f32, f34, f36, f38, f40, f42, f44, f46)
ldda [%o1] ASI_BLK_P, %f16
add %o1, 0x40, %o1
sub %o2, 0x40, %o2
stda %f48, [%o0] ASI_BLK_P
cmp %o2, 0x80
bne,pt %xcc, 1b
add %o0, 0x40, %o0
membar #Sync
stda %f0, [%o0] ASI_BLK_P
add %o0, 0x40, %o0
stda %f16, [%o0] ASI_BLK_P
membar #StoreStore | #StoreLoad
jmpl %o7 + 0x8, %g0
VISExit
.align 32
.globl __bzero_1page
.type __bzero_1page,@function
__bzero_1page: /* %o0=dest */
VISEntryHalf
fzero %f0 ! FPA Group
mov 32, %o1 ! IEU0
fzero %f2 ! FPA Group
faddd %f0, %f2, %f4 ! FPA Group
fmuld %f0, %f2, %f6 ! FPM
faddd %f0, %f2, %f8 ! FPA Group
fmuld %f0, %f2, %f10 ! FPM
faddd %f0, %f2, %f12 ! FPA Group
fmuld %f0, %f2, %f14 ! FPM
wr %g0, ASI_BLK_P, %asi ! LSU Group
membar #StoreLoad | #StoreStore | #LoadStore ! LSU Group
1: stda %f0, [%o0 + 0x00] %asi ! Store Group
stda %f0, [%o0 + 0x40] %asi ! Store Group
stda %f0, [%o0 + 0x80] %asi ! Store Group
stda %f0, [%o0 + 0xc0] %asi ! Store Group
subcc %o1, 1, %o1 ! IEU1
bne,pt %icc, 1b ! CTI
add %o0, 0x100, %o0 ! IEU0 Group
membar #StoreStore | #StoreLoad ! LSU Group
jmpl %o7 + 0x8, %g0 ! CTI Group brk forced
VISExitHalf
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