59 lines
1.9 KiB
C++
59 lines
1.9 KiB
C++
/*
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* Copyright (c) 2013 Stephen Williams (steve@icarus.com)
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*
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* This source code is free software; you can redistribute it
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* and/or modify it in source code form under the terms of the GNU
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* General Public License as published by the Free Software
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* Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*
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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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*
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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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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# include "priv.h"
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# include "nex_data.h"
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# include <cstdio>
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static void print_constant(FILE*fd, ivl_net_const_t net)
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{
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unsigned wid = ivl_const_width(net);
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const char*val = ivl_const_bits(net);
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ivl_nexus_t nex = ivl_const_nex(net);
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blif_nex_data_t*ned = blif_nex_data_t::get_nex_data(nex);
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for (unsigned idx = 0 ; idx < wid ; idx += 1) {
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switch (val[idx]) {
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case '1':
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fprintf(fd, ".names %s%s # const 1\n1\n",
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ned->get_name(), ned->get_name_index(idx));
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break;
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case '0':
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fprintf(fd, ".names %s%s # const 0\n",
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ned->get_name(), ned->get_name_index(idx));
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break;
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default:
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fprintf(fd, ".names %s%s # const %c\n",
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ned->get_name(), ned->get_name_index(idx), val[idx]);
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break;
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}
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}
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}
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void emit_constants(FILE*fd, ivl_design_t des, ivl_scope_t model)
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{
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for (unsigned idx = 0 ; idx < ivl_design_consts(des) ; idx += 1) {
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ivl_net_const_t net = ivl_design_const(des, idx);
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if (! scope_is_in_model(model, ivl_const_scope(net)))
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continue;
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print_constant(fd, net);
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}
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}
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