LXR linux/arch/alpha/lib/copy

   1/* SPDX-License-Identifier: GPL-2.0 */
   2/*
   3 * arch/alpha/lib/copy_page.S
   4 *
   5 * Copy an entire page.
   6 */
   7#include <asm/export.h>
   8        .text
   9        .align 4
  10        .global copy_page
  11        .ent copy_page
  12copy_page:
  13        .prologue 0
  14
  15        lda     $18,128
  16        nop
  17        unop
  18        nop
  19
  201:      ldq     $0,0($17)
  21        ldq     $1,8($17)
  22        ldq     $2,16($17)
  23        ldq     $3,24($17)
  24
  25        ldq     $4,32($17)
  26        ldq     $5,40($17)
  27        ldq     $6,48($17)
  28        ldq     $7,56($17)
  29
  30        stq     $0,0($16)
  31        subq    $18,1,$18
  32        stq     $1,8($16)
  33        addq    $17,64,$17
  34
  35        stq     $2,16($16)
  36        stq     $3,24($16)
  37        stq     $4,32($16)
  38        stq     $5,40($16)
  39
  40        stq     $6,48($16)
  41        stq     $7,56($16)
  42        addq    $16,64,$16
  43        bne     $18, 1b
  44
  45        ret
  46        nop
  47        unop
  48        nop
  49
  50        .end copy_page
  51        EXPORT_SYMBOL(copy_page)
  52