51 lines
1.9 KiB
ArmAsm
51 lines
1.9 KiB
ArmAsm
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/* Copyright (c) 2012-2013 Red Hat Incorporated.
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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are met:
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Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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The name of Red Hat Incorporated may not be used to endorse
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or promote products derived from this software without specific
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prior written permission.
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This software is provided by the copyright holders and contributors
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"AS IS" and any express or implied warranties, including, but not
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limited to, the implied warranties of merchantability and fitness for
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a particular purpose are disclaimed. In no event shall Red Hat
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incorporated be liable for any direct, indirect, incidental, special,
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exemplary, or consequential damages (including, but not limited to,
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procurement of substitute goods or services; loss of use, data, or
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profits; or business interruption) however caused and on any theory of
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liability, whether in contract, strict liability, or tort (including
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negligence or otherwise) arising in any way out of the use of this
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software, even if advised of the possibility of such damage. */
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#include "memmodel.h"
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.section ".crt_movedata", "ax", @progbits
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.global __crt0_movedata
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__crt0_movedata:
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mov_ #__datastart, R12
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mov_ #__romdatastart, R13
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;; memmove and memcpy do not currently work when src == dst
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cmp_ R12, R13
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jeq 1f
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mov.w #__romdatacopysize, R14
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#ifdef __MSP430X_LARGE__
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clr.w R15 ; We assume that __romdatacopysize is never > 64M
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#endif
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call_ #memmove
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1:
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