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arch/avr32/mm/clear_page.S 499 Bytes
5f97f7f94   Haavard Skinnemoen   [PATCH] avr32 arc...
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  /*
   * Copyright (C) 2004-2006 Atmel Corporation
   *
   * 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/page.h>
  
  /*
   * clear_page
   * r12: P1 address (to)
   */
  	.text
  	.global clear_page
  clear_page:
  	sub	r9, r12, -PAGE_SIZE
  	mov     r10, 0
  	mov	r11, 0
  0:      st.d    r12++, r10
  	cp      r12, r9
  	brne	0b
  	mov     pc, lr