139 lines
4.5 KiB
C
139 lines
4.5 KiB
C
/*
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* Copyright (c) 2008-2009 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 "config.h"
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# include "priv.h"
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# include <stdlib.h>
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# include <inttypes.h>
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# include <assert.h>
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void show_switch(ivl_switch_t net)
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{
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const char*name = ivl_switch_basename(net);
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int has_enable = 0;
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ivl_nexus_t nexa, nexb;
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ivl_variable_type_t nex_type_a, nex_type_b;
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switch (ivl_switch_type(net)) {
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case IVL_SW_TRAN:
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fprintf(out, " tran %s", name);
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break;
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case IVL_SW_RTRAN:
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fprintf(out, " rtran %s", name);
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break;
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case IVL_SW_TRANIF0:
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fprintf(out, " tranif0 %s", name);
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has_enable = 1;
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break;
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case IVL_SW_RTRANIF0:
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fprintf(out, " rtranif0 %s", name);
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has_enable = 1;
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break;
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case IVL_SW_TRANIF1:
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fprintf(out, " tranif1 %s", name);
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has_enable = 1;
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break;
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case IVL_SW_RTRANIF1:
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fprintf(out, " rtranif1 %s", name);
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has_enable = 1;
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break;
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case IVL_SW_TRAN_VP:
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fprintf(out, " tran(VP wid=%u, part=%u, off=%u) %s",
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ivl_switch_width(net), ivl_switch_part(net),
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ivl_switch_offset(net), name);
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break;
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}
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fprintf(out, " island=%p\n", ivl_switch_island(net));
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fprintf(out, " <Delays...>\n");
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if (ivl_switch_delay(net,0)) {
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test_expr_is_delay(ivl_switch_delay(net,0));
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show_expression(ivl_switch_delay(net,0), 6);
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}
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if (ivl_switch_delay(net,1)) {
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test_expr_is_delay(ivl_switch_delay(net,1));
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show_expression(ivl_switch_delay(net,1), 6);
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}
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if (ivl_switch_delay(net,2)) {
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test_expr_is_delay(ivl_switch_delay(net,2));
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show_expression(ivl_switch_delay(net,2), 6);
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}
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nexa = ivl_switch_a(net);
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nex_type_a = nexa? type_of_nexus(nexa) : IVL_VT_NO_TYPE;
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fprintf(out, " A: %p <type=%s>\n", nexa, data_type_string(nex_type_a));
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nexb = ivl_switch_b(net);
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nex_type_b = nexb? type_of_nexus(nexb) : IVL_VT_NO_TYPE;
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fprintf(out, " B: %p <type=%s>\n", nexb, data_type_string(nex_type_b));
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/* The A/B pins of the switch must be present, and must match. */
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if (nex_type_a == IVL_VT_NO_TYPE) {
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fprintf(out, " A: ERROR: Type missing for pin A\n");
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stub_errors += 1;
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}
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if (nex_type_b == IVL_VT_NO_TYPE) {
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fprintf(out, " B: ERROR: Type missing for pin B\n");
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stub_errors += 1;
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}
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if (nex_type_a != nex_type_b) {
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fprintf(out, " A/B: ERROR: Type mismatch between pins A and B\n");
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stub_errors += 1;
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}
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if (ivl_switch_type(net) == IVL_SW_TRAN_VP) {
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/* The TRAN_VP nodes are special in that the specific
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width matters for each port and should be exactly
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right for both. */
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if (width_of_nexus(nexa) != ivl_switch_width(net)) {
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fprintf(out, " A: ERROR: part vector nexus "
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"width=%u, expecting width=%u\n",
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width_of_nexus(nexa), ivl_switch_width(net));
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stub_errors += 1;
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}
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if (width_of_nexus(nexb) != ivl_switch_part(net)) {
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fprintf(out, " B: ERROR: part select nexus "
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"width=%u, expecting width=%u\n",
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width_of_nexus(nexb), ivl_switch_part(net));
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stub_errors += 1;
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}
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} else {
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/* All other TRAN nodes will have matching vector
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widths, but the actual value doesn't matter. */
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if (width_of_nexus(nexa) != width_of_nexus(nexb)) {
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fprintf(out, " A/B: ERROR: Width of ports don't match"
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": A=%u, B=%u\n",
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width_of_nexus(nexa), width_of_nexus(nexb));
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stub_errors += 1;
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}
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}
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if (has_enable) {
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ivl_nexus_t nexe = ivl_switch_enable(net);
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ivl_variable_type_t nexe_type = type_of_nexus(nexe);
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fprintf(out, " E: %p <type=%s>\n", nexe, data_type_string(nexe_type));
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if (width_of_nexus(nexe) != 1) {
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fprintf(out, " E: ERROR: Nexus width is %u\n",
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width_of_nexus(nexe));
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}
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}
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}
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