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[/] [or1k/] [trunk/] [linux/] [linux-2.4/] [arch/] [arm/] [lib/] [setbit.S] - Blame information for rev 1765

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1 1275 phoenix
/*
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 *  linux/arch/arm/lib/setbit.S
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 *
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 *  Copyright (C) 1995-1996 Russell King
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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 
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#include 
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                .text
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/*
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 * Purpose  : Function to set a bit
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 * Prototype: int set_bit(int bit, void *addr)
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 */
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ENTRY(set_bit)
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                and     r2, r0, #7
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                mov     r3, #1
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                mov     r3, r3, lsl r2
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                save_and_disable_irqs ip, r2
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                ldrb    r2, [r1, r0, lsr #3]
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                orr     r2, r2, r3
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                strb    r2, [r1, r0, lsr #3]
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                restore_irqs ip
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                RETINSTR(mov,pc,lr)
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