71 lines
1.8 KiB
C
71 lines
1.8 KiB
C
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/* This file is part of the program psim.
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Copyright (C) 1994-1995, Andrew Cagney <cagney@highland.com.au>
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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 as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifndef _ENDIAN_C_
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#define _ENDIAN_C_
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#ifndef STATIC_INLINE_ENDIAN
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#define STATIC_INLINE_ENDIAN STATIC_INLINE
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#endif
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#include "config.h"
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#include "words.h"
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#include "ppc-endian.h"
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#include "sim_callbacks.h"
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typedef union {
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unsigned_1 val_1[8];
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unsigned_2 val_2[4];
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unsigned_4 val_4[2];
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unsigned_8 val_8[1];
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} endian_map;
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#define ENDIAN_N(NAME,BYTE_SIZE) \
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unsigned_##BYTE_SIZE \
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endian_##NAME##_##BYTE_SIZE(unsigned_##BYTE_SIZE raw_in) \
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{ \
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if (CURRENT_TARGET_BYTE_ORDER == CURRENT_HOST_BYTE_ORDER) { \
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return raw_in; \
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} \
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else { \
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endian_map in; \
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endian_map out; \
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int byte_nr; \
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in.val_##BYTE_SIZE[0] = raw_in; \
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for (byte_nr = 0; byte_nr < BYTE_SIZE; byte_nr++) { \
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out.val_1[BYTE_SIZE-1-byte_nr] = in.val_1[byte_nr]; \
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} \
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return out.val_##BYTE_SIZE[0]; \
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} \
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}
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ENDIAN_N(h2t, 2)
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ENDIAN_N(h2t, 4)
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ENDIAN_N(h2t, 8)
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ENDIAN_N(t2h, 2)
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ENDIAN_N(t2h, 4)
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ENDIAN_N(t2h, 8)
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#endif /* _ENDIAN_C_ */
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