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eef062451f
It makes it usable with standard symbol names defined in default linker scripts of the MetaWare toolchain. Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
33 lines
1.1 KiB
C
33 lines
1.1 KiB
C
/*
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* arc-specific.h -- provide ARC-specific definitions
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*
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* Copyright (c) 2024 Synopsys Inc.
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*
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* The authors hereby grant permission to use, copy, modify, distribute,
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* and license this software and its documentation for any purpose, provided
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* that existing copyright notices are retained in all copies and that this
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* notice is included verbatim in any distributions. No written agreement,
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* license, or royalty fee is required for any of the authorized uses.
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* Modifications to this software may be copyrighted by their authors
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* and need not follow the licensing terms described here, provided that
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* the new terms are clearly indicated on the first page of each file where
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* they apply.
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*
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*/
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#ifndef _ARC_SPECIFIC_H
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#define _ARC_SPECIFIC_H
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/* First check for MetaWare compiler as it also defines __GNUC__. */
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#if defined (__CCAC__)
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#define read_aux_reg(r) _lr(r)
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#define write_aux_reg(r, v) _sr((unsigned int)(v), r)
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#elif defined (__GNUC__)
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#define read_aux_reg(r) __builtin_arc_lr(r)
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#define write_aux_reg(v, r) __builtin_arc_sr((unsigned int)(v), r)
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#else
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#error "Unexpected compiler"
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#endif
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#endif /* _ARC_SPECIFIC_H */
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