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Viewing changes to arch/avr32/mm/clear_page.S

  • Committer: Package Import Robot
  • Author(s): Alessio Igor Bogani
  • Date: 2011-10-26 11:13:05 UTC
  • Revision ID: package-import@ubuntu.com-20111026111305-tz023xykf0i6eosh
Tags: upstream-3.2.0
Import upstream version 3.2.0

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arch/avr32/mm/clear_page.S
 
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/*
 
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 * Copyright (C) 2004-2006 Atmel Corporation
 
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 *
 
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 * This program is free software; you can redistribute it and/or modify
 
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 * it under the terms of the GNU General Public License version 2 as
 
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 * published by the Free Software Foundation.
 
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 */
 
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#include <linux/linkage.h>
 
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#include <asm/page.h>
 
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/*
 
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 * clear_page
 
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 * r12: P1 address (to)
 
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 */
 
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        .text
 
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        .global clear_page
 
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clear_page:
 
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        sub     r9, r12, -PAGE_SIZE
 
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        mov     r10, 0
 
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        mov     r11, 0
 
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0:      st.d    r12++, r10
 
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        cp      r12, r9
 
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        brne    0b
 
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        mov     pc, lr