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Added support for LPM latches to stub target.

This commit is contained in:
Martin Whitaker 2016-03-12 09:03:42 +00:00
parent 5dfc9fdefb
commit b47482880c
1 changed files with 38 additions and 1 deletions
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39
tgt-stub/stub.c
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2000-2015 Stephen Williams (steve@icarus.com)
* Copyright (c) 2000-2016 Stephen Williams (steve@icarus.com)
*
* This source code is free software; you can redistribute it
* and/or modify it in source code form under the terms of the GNU
@ -559,6 +559,39 @@ static void show_lpm_ff(ivl_lpm_t net)
}
static void show_lpm_latch(ivl_lpm_t net)
{
ivl_nexus_t nex;
unsigned width = ivl_lpm_width(net);
fprintf(out, " LPM_LATCH %s: <width=%u>\n",
ivl_lpm_basename(net), width);
nex = ivl_lpm_enable(net);
fprintf(out, " E: %p\n", nex);
if (width_of_nexus(nex) != 1) {
fprintf(out, " E: ERROR: Nexus width is %u\n",
width_of_nexus(nex));
stub_errors += 1;
}
nex = ivl_lpm_data(net,0);
fprintf(out, " D: %p\n", nex);
if (width_of_nexus(nex) != width) {
fprintf(out, " D: ERROR: Nexus width is %u\n",
width_of_nexus(nex));
stub_errors += 1;
}
nex = ivl_lpm_q(net);
fprintf(out, " Q: %p\n", nex);
if (width_of_nexus(nex) != width) {
fprintf(out, " Q: ERROR: Nexus width is %u\n",
width_of_nexus(nex));
stub_errors += 1;
}
}
static void show_lpm_mod(ivl_lpm_t net)
{
unsigned width = ivl_lpm_width(net);
@ -1017,6 +1050,10 @@ static void show_lpm(ivl_lpm_t net)
show_lpm_ff(net);
break;
case IVL_LPM_LATCH:
show_lpm_latch(net);
break;
case IVL_LPM_CMP_GE:
show_lpm_cmp_ge(net);
break;