arch/arm26/lib/floppydma.S

   1 /*
   2  *  linux/arch/arm26/lib/floppydma.S
   3  *
   4  *  Copyright (C) 1995, 1996 Russell King
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License version 2 as
   8  * published by the Free Software Foundation.
   9  */
  10 #include <linux/linkage.h>
  11 #include <asm/assembler.h>
  12                 .text
  13
  14                 .global floppy_fiqin_end
  15 ENTRY(floppy_fiqin_start)
  16                 subs    r9, r9, #1
  17                 ldrgtb  r12, [r11, #-4]
  18                 ldrleb  r12, [r11], #0
  19                 strb    r12, [r10], #1
  20                 subs    pc, lr, #4
  21 floppy_fiqin_end:
  22
  23                 .global floppy_fiqout_end
  24 ENTRY(floppy_fiqout_start)
  25                 subs    r9, r9, #1
  26                 ldrgeb  r12, [r10], #1
  27                 movlt   r12, #0
  28                 strleb  r12, [r11], #0
  29                 subles  pc, lr, #4
  30                 strb    r12, [r11, #-4]
  31                 subs    pc, lr, #4
  32 floppy_fiqout_end: