29 lines
560 B
ArmAsm
29 lines
560 B
ArmAsm
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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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* copy_page
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*
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* r12 to (P1 address)
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* r11 from (P1 address)
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* r8-r10 scratch
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*/
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.text
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.global copy_page
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copy_page:
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sub r10, r11, -(1 << PAGE_SHIFT)
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/* pref r11[0] */
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1: /* pref r11[8] */
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ld.d r8, r11++
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st.d r12++, r8
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cp r11, r10
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brlo 1b
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mov pc, lr
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