From 332cb5d9433f04e32d67b1d8aa6c4f6a5fd4f66f Mon Sep 17 00:00:00 2001 From: Andrew Cagney Date: Fri, 21 Feb 1997 02:42:48 +0000 Subject: [PATCH] Make useful macro's and functions found in the PowerPC simulator directory more widely available. --- sim/common/.Sanitize | 8 ++ sim/common/sim-endian-n.h | 159 ++++++++++++++++++++++++++++++++++++++ 2 files changed, 167 insertions(+) create mode 100644 sim/common/sim-endian-n.h diff --git a/sim/common/.Sanitize b/sim/common/.Sanitize index 1a359d98e8a..80b5fad5365 100644 --- a/sim/common/.Sanitize +++ b/sim/common/.Sanitize @@ -36,6 +36,14 @@ gentvals.sh nltvals.def run.c run.1 +sim-alu.h +sim-bits.c +sim-bits.h +sim-endian-n.h +sim-endian.c +sim-endian.h +sim-types.h +sim-inline.h tconfig.in Things-to-lose: diff --git a/sim/common/sim-endian-n.h b/sim/common/sim-endian-n.h new file mode 100644 index 00000000000..840b467ddb2 --- /dev/null +++ b/sim/common/sim-endian-n.h @@ -0,0 +1,159 @@ +/* This file is part of the program psim. + + Copyright (C) 1994-1995, Andrew Cagney + + 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 + +/* 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) + + +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); + } +} + + +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); + } +} + + +INLINE_SIM_ENDIAN\ +(unsigned_N) +swap_N(unsigned_N raw_in) +{ + _SWAP_N(return,raw_in); +} + + + +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); + } +} + + +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); + } +} + + +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); + } +} + + +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); + } +} + + + +INLINE_SIM_ENDIAN\ +(void*) +offset_N(unsigned_N *x, + int sizeof_word, + int word) +{ + char *in = (char*)x; + char *out; + int offset = sizeof_word * word; + ASSERT(offset + sizeof_word <= sizeof(unsigned_N)); + ASSERT(word < (sizeof_word / sizeof(unsigned_N))); + ASSERT((sizeof(unsigned_N) % sizeof_word) == 0); + if (WITH_HOST_BYTE_ORDER == LITTLE_ENDIAN) { + out = in + sizeof(unsigned_N) - offset; + } + 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 -- 2.30.2