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80 lines
1.9 KiB
C
80 lines
1.9 KiB
C
/* Simulation code for the CR16 processor.
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Copyright (C) 2008, 2009 Free Software Foundation, Inc.
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Contributed by M Ranga Swami Reddy <MR.Swami.Reddy@nsc.com>
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This file is part of GDB, the GNU debugger.
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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, or (at your option)
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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, see <http://www.gnu.org/licenses/>. */
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/* If we're being compiled as a .c file, rather than being included in
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cr16_sim.h, then ENDIAN_INLINE won't be defined yet. */
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#ifndef ENDIAN_INLINE
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#define NO_ENDIAN_INLINE
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#include "cr16_sim.h"
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#define ENDIAN_INLINE
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#endif
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ENDIAN_INLINE uint16
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get_word (x)
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uint8 *x;
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{
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return *(uint16 *)x;
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}
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ENDIAN_INLINE uint32
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get_longword (x)
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uint8 *x;
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{
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return (((uint32) *(uint16 *)x) << 16) | ((uint32) *(uint16 *)(x+2));
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}
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ENDIAN_INLINE int64
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get_longlong (x)
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uint8 *x;
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{
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uint32 top = get_longword (x);
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uint32 bottom = get_longword (x+4);
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return (((int64)top)<<32) | (int64)bottom;
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}
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ENDIAN_INLINE void
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write_word (addr, data)
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uint8 *addr;
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uint16 data;
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{
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addr[1] = (data >> 8) & 0xff;
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addr[0] = data & 0xff;
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}
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ENDIAN_INLINE void
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write_longword (addr, data)
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uint8 *addr;
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uint32 data;
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{
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*(uint16 *)(addr + 2) = (uint16)(data >> 16);
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*(uint16 *)(addr) = (uint16)data;
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}
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ENDIAN_INLINE void
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write_longlong (addr, data)
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uint8 *addr;
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int64 data;
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{
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write_longword (addr+4, (uint32)(data >> 32));
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write_longword (addr, (uint32)data);
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}
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