1/* 2 * arch/alpha/lib/ev6-clear_page.S 3 * 4 * Zero an entire page. 5 */ 6 7 .text 8 .align 4 9 .global clear_page 10 .ent clear_page 11clear_page: 12 .prologue 0 13 14 lda $0,128 15 lda $1,125 16 addq $16,64,$2 17 addq $16,128,$3 18 19 addq $16,192,$17 20 wh64 ($16) 21 wh64 ($2) 22 wh64 ($3) 23 241: wh64 ($17) 25 stq $31,0($16) 26 subq $0,1,$0 27 subq $1,1,$1 28 29 stq $31,8($16) 30 stq $31,16($16) 31 addq $17,64,$2 32 nop 33 34 stq $31,24($16) 35 stq $31,32($16) 36 cmovgt $1,$2,$17 37 nop 38 39 stq $31,40($16) 40 stq $31,48($16) 41 nop 42 nop 43 44 stq $31,56($16) 45 addq $16,64,$16 46 nop 47 bne $0,1b 48 49 ret 50 nop 51 nop 52 nop 53 54 .end clear_page 55