static void show_lpm_ufunc(ivl_lpm_t net) { unsigned width = ivl_lpm_width(net); unsigned ports = ivl_lpm_size(net); ivl_scope_t def = ivl_lpm_define(net); ivl_nexus_t nex; unsigned idx; fprintf(out, " LPM_UFUNC %s: <call=%s, width=%u, ports=%u>\n", ivl_lpm_basename(net), ivl_scope_name(def), width, ports); show_lpm_delays(net); nex = ivl_lpm_q(net); if (width != width_of_nexus(nex)) { fprintf(out, " ERROR: Q output nexus width=%u " " does not match part width\n", width_of_nexus(nex)); stub_errors += 1; } fprintf(out, " Q: %p\n", nex); for (idx = 0 ; idx < ports ; idx += 1) { nex = ivl_lpm_data(net, idx); fprintf(out, " D%u: %p <width=%u>\n", idx, nex, width_of_nexus(nex)); } }
static void draw_lpm_ufunc(ivl_lpm_t net) { unsigned idx; ivl_scope_t def = ivl_lpm_define(net); const char*dly = draw_lpm_output_delay(net); fprintf(vvp_out, "L_%p%s .ufunc TD_%s, %u", net, dly, vvp_mangle_id(ivl_scope_name(def)), ivl_lpm_width(net)); /* Print all the net signals that connect to the input of the function. */ for (idx = 0 ; idx < ivl_lpm_size(net) ; idx += 1) { fprintf(vvp_out, ", %s", draw_net_input(ivl_lpm_data(net, idx))); } assert((ivl_lpm_size(net)+1) == ivl_scope_ports(def)); /* Now print all the variables in the function scope that receive the input values given in the previous list. */ for (idx = 0 ; idx < ivl_lpm_size(net) ; idx += 1) { ivl_signal_t psig = ivl_scope_port(def, idx+1); if (idx == 0) fprintf(vvp_out, " ("); else fprintf(vvp_out, ", "); assert(ivl_signal_dimensions(psig) == 0); fprintf(vvp_out, "v%p_0", psig); } fprintf(vvp_out, ")"); /* Now print the reference to the signal from which the result is collected. */ { ivl_signal_t psig = ivl_scope_port(def, 0); assert(ivl_lpm_width(net) == ivl_signal_width(psig)); assert(ivl_signal_dimensions(psig) == 0); fprintf(vvp_out, " v%p_0", psig); } /* Finally, print the scope identifier. */ fprintf(vvp_out, " S_%p;\n", def); }