60 строки
1.3 KiB
ArmAsm
60 строки
1.3 KiB
ArmAsm
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/* outsl_ns.S: output array of 4b words to device without byte swapping
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*
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* Copyright (C) 2003 Red Hat, Inc. All Rights Reserved.
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* Written by David Howells (dhowells@redhat.com)
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version
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* 2 of the License, or (at your option) any later version.
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*/
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.text
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.p2align 4
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###############################################################################
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#
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# void __outsl_ns(unsigned int port, const void *buf, int n)
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#
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###############################################################################
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.globl __outsl_ns
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.type __outsl_ns,@function
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__outsl_ns:
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andicc.p gr9,#3,gr0,icc0
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setlos #4,gr4
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bne icc0,#0,__outsl_ns_misaligned
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subi gr9,#4,gr9
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0:
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ldu.p @(gr9,gr4),gr5
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subicc gr10,#1,gr10,icc0
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sti.p gr5,@(gr8,#0)
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bhi icc0,#2,0b
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membar
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bralr
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__outsl_ns_misaligned:
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subi.p gr9,#1,gr9
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setlos #1,gr4
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0:
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ldubu @(gr9,gr4),gr5
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ldubu.p @(gr9,gr4),gr6
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slli gr5,#8,gr5
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ldubu.p @(gr9,gr4),gr7
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or gr5,gr6,gr5
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ldubu.p @(gr9,gr4),gr6
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slli gr5,#16,gr5
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slli.p gr7,#8,gr7
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or gr5,gr6,gr5
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subicc.p gr10,#1,gr10,icc0
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or gr5,gr7,gr5
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sti.p gr5,@(gr8,#0)
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bhi icc0,#2,0b
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membar
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bralr
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.size __outsl_ns, .-__outsl_ns
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