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kernel/linux-imx6_3.14.28/arch/arm/lib/floppydma.S 736 Bytes
6b13f685e   김민수   BSP 최초 추가
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  /*
   *  linux/arch/arm/lib/floppydma.S
   *
   *  Copyright (C) 1995, 1996 Russell King
   *
   * This program is free software; you can redistribute it and/or modify
   * it under the terms of the GNU General Public License version 2 as
   * published by the Free Software Foundation.
   */
  #include <linux/linkage.h>
  #include <asm/assembler.h>
  		.text
  
  		.global	floppy_fiqin_end
  ENTRY(floppy_fiqin_start)
  		subs	r9, r9, #1
  		ldrgtb	r12, [r11, #-4]
  		ldrleb	r12, [r11], #0
  		strb	r12, [r10], #1
  		subs	pc, lr, #4
  floppy_fiqin_end:
  
  		.global	floppy_fiqout_end
  ENTRY(floppy_fiqout_start)
  		subs	r9, r9, #1
  		ldrgeb	r12, [r10], #1
  		movlt	r12, #0
  		strleb	r12, [r11], #0
  		subles	pc, lr, #4
  		strb	r12, [r11, #-4]
  		subs	pc, lr, #4
  floppy_fiqout_end: