URL
https://opencores.org/ocsvn/or1k/or1k/trunk
Subversion Repositories or1k
[/] [or1k/] [trunk/] [insight/] [sim/] [common/] [sim-n-endian.h] - Rev 1765
Compare with Previous | Blame | View Log
/* This file is part of the program psim. Copyright (C) 1994-1995, Andrew Cagney <cagney@highland.com.au> 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 2 of the License, 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, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #ifndef N #error "N must be #defined" #endif #include "symcat.h" /* NOTE: See end of file for #undef */ #define unsigned_N XCONCAT2(unsigned_,N) #define endian_t2h_N XCONCAT2(endian_t2h_,N) #define endian_h2t_N XCONCAT2(endian_h2t_,N) #define _SWAP_N XCONCAT2(_SWAP_,N) #define swap_N XCONCAT2(swap_,N) #define endian_h2be_N XCONCAT2(endian_h2be_,N) #define endian_be2h_N XCONCAT2(endian_be2h_,N) #define endian_h2le_N XCONCAT2(endian_h2le_,N) #define endian_le2h_N XCONCAT2(endian_le2h_,N) #define offset_N XCONCAT2(offset_,N) /* TAGS: endian_t2h_1 endian_t2h_2 endian_t2h_4 endian_t2h_8 endian_t2h_16 */ INLINE_SIM_ENDIAN\ (unsigned_N) endian_t2h_N(unsigned_N raw_in) { if (CURRENT_TARGET_BYTE_ORDER == CURRENT_HOST_BYTE_ORDER) { return raw_in; } else { _SWAP_N(return,raw_in); } } /* TAGS: endian_h2t_1 endian_h2t_2 endian_h2t_4 endian_h2t_8 endian_h2t_16 */ INLINE_SIM_ENDIAN\ (unsigned_N) endian_h2t_N(unsigned_N raw_in) { if (CURRENT_TARGET_BYTE_ORDER == CURRENT_HOST_BYTE_ORDER) { return raw_in; } else { _SWAP_N(return,raw_in); } } /* TAGS: swap_1 swap_2 swap_4 swap_8 swap_16 */ INLINE_SIM_ENDIAN\ (unsigned_N) swap_N(unsigned_N raw_in) { _SWAP_N(return,raw_in); } /* TAGS: endian_h2be_1 endian_h2be_2 endian_h2be_4 endian_h2be_8 endian_h2be_16 */ INLINE_SIM_ENDIAN\ (unsigned_N) endian_h2be_N(unsigned_N raw_in) { if (CURRENT_HOST_BYTE_ORDER == BIG_ENDIAN) { return raw_in; } else { _SWAP_N(return,raw_in); } } /* TAGS: endian_be2h_1 endian_be2h_2 endian_be2h_4 endian_be2h_8 endian_be2h_16 */ INLINE_SIM_ENDIAN\ (unsigned_N) endian_be2h_N(unsigned_N raw_in) { if (CURRENT_HOST_BYTE_ORDER == BIG_ENDIAN) { return raw_in; } else { _SWAP_N(return,raw_in); } } /* TAGS: endian_h2le_1 endian_h2le_2 endian_h2le_4 endian_h2le_8 endian_h2le_16 */ INLINE_SIM_ENDIAN\ (unsigned_N) endian_h2le_N(unsigned_N raw_in) { if (CURRENT_HOST_BYTE_ORDER == LITTLE_ENDIAN) { return raw_in; } else { _SWAP_N(return,raw_in); } } /* TAGS: endian_le2h_1 endian_le2h_2 endian_le2h_4 endian_le2h_8 endian_le2h_16 */ INLINE_SIM_ENDIAN\ (unsigned_N) endian_le2h_N(unsigned_N raw_in) { if (CURRENT_HOST_BYTE_ORDER == LITTLE_ENDIAN) { return raw_in; } else { _SWAP_N(return,raw_in); } } /* TAGS: offset_1 offset_2 offset_4 offset_8 offset_16 */ INLINE_SIM_ENDIAN\ (void*) offset_N (unsigned_N *x, unsigned sizeof_word, unsigned word) { char *in = (char*)x; char *out; unsigned offset = sizeof_word * word; ASSERT (offset + sizeof_word <= sizeof(unsigned_N)); ASSERT (word < (sizeof (unsigned_N) / sizeof_word)); ASSERT ((sizeof (unsigned_N) % sizeof_word) == 0); if (WITH_HOST_BYTE_ORDER == LITTLE_ENDIAN) { out = in + sizeof (unsigned_N) - offset - sizeof_word; } else { out = in + offset; } return out; } /* NOTE: See start of file for #define */ #undef unsigned_N #undef endian_t2h_N #undef endian_h2t_N #undef _SWAP_N #undef swap_N #undef endian_h2be_N #undef endian_be2h_N #undef endian_h2le_N #undef endian_le2h_N #undef offset_N