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[/] [openrisc/] [trunk/] [gnu-src/] [gdb-7.1/] [sim/] [cr16/] [endian.c] - Rev 318
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/* Simulation code for the CR16 processor. Copyright (C) 2008, 2009, 2010 Free Software Foundation, Inc. Contributed by M Ranga Swami Reddy <MR.Swami.Reddy@nsc.com> This file is part of GDB, the GNU debugger. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see <http://www.gnu.org/licenses/>. */ /* If we're being compiled as a .c file, rather than being included in cr16_sim.h, then ENDIAN_INLINE won't be defined yet. */ #ifndef ENDIAN_INLINE #define NO_ENDIAN_INLINE #include "cr16_sim.h" #define ENDIAN_INLINE #endif ENDIAN_INLINE uint16 get_word (x) uint8 *x; { return *(uint16 *)x; } ENDIAN_INLINE uint32 get_longword (x) uint8 *x; { return (((uint32) *(uint16 *)x) << 16) | ((uint32) *(uint16 *)(x+2)); } ENDIAN_INLINE int64 get_longlong (x) uint8 *x; { uint32 top = get_longword (x); uint32 bottom = get_longword (x+4); return (((int64)top)<<32) | (int64)bottom; } ENDIAN_INLINE void write_word (addr, data) uint8 *addr; uint16 data; { addr[1] = (data >> 8) & 0xff; addr[0] = data & 0xff; } ENDIAN_INLINE void write_longword (addr, data) uint8 *addr; uint32 data; { *(uint16 *)(addr + 2) = (uint16)(data >> 16); *(uint16 *)(addr) = (uint16)data; } ENDIAN_INLINE void write_longlong (addr, data) uint8 *addr; int64 data; { write_longword (addr+4, (uint32)(data >> 32)); write_longword (addr, (uint32)data); }
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