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https://github.com/YosysHQ/yosys
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Merging with official repo
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commit
4d343fc1cd
28 changed files with 1350 additions and 191 deletions
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@ -23,6 +23,13 @@
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#include "kernel/rtlil.h"
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#include "kernel/log.h"
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#define MODE_ZERO 0
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#define MODE_ONE 1
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#define MODE_UNDEF 2
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#define MODE_RANDOM 3
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#define MODE_ANYSEQ 4
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#define MODE_ANYCONST 5
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USING_YOSYS_NAMESPACE
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PRIVATE_NAMESPACE_BEGIN
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@ -97,30 +104,32 @@ struct SetundefWorker
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RTLIL::State next_bit()
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{
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if (next_bit_mode == 0)
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if (next_bit_mode == MODE_ZERO)
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return RTLIL::State::S0;
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if (next_bit_mode == 1)
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if (next_bit_mode == MODE_ONE)
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return RTLIL::State::S1;
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if (next_bit_mode == 2)
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log_abort();
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if (next_bit_mode == 4)
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if (next_bit_mode == MODE_UNDEF)
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return RTLIL::State::Sx;
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// xorshift32
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next_bit_state ^= next_bit_state << 13;
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next_bit_state ^= next_bit_state >> 17;
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next_bit_state ^= next_bit_state << 5;
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log_assert(next_bit_state != 0);
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if (next_bit_mode == MODE_RANDOM)
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{
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// xorshift32
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next_bit_state ^= next_bit_state << 13;
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next_bit_state ^= next_bit_state >> 17;
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next_bit_state ^= next_bit_state << 5;
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log_assert(next_bit_state != 0);
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return ((next_bit_state >> (next_bit_state & 15)) & 16) ? RTLIL::State::S0 : RTLIL::State::S1;
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return ((next_bit_state >> (next_bit_state & 15)) & 16) ? RTLIL::State::S0 : RTLIL::State::S1;
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}
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log_abort();
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}
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void operator()(RTLIL::SigSpec &sig)
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{
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if (next_bit_mode == 2) {
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if (next_bit_mode == MODE_ANYSEQ || next_bit_mode == MODE_ANYCONST) {
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siglist.push_back(&sig);
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return;
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}
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@ -145,7 +154,7 @@ struct SetundefPass : public Pass {
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log(" also set undriven nets to constant values\n");
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log("\n");
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log(" -expose\n");
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log(" also expose undriven nets as inputs\n");
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log(" also expose undriven nets as inputs (use with -undriven)\n");
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log("\n");
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log(" -zero\n");
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log(" replace with bits cleared (0)\n");
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@ -159,6 +168,9 @@ struct SetundefPass : public Pass {
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log(" -anyseq\n");
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log(" replace with $anyseq drivers (for formal)\n");
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log("\n");
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log(" -anyconst\n");
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log(" replace with $anyconst drivers (for formal)\n");
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log("\n");
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log(" -random <seed>\n");
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log(" replace with random bits using the specified integer als seed\n");
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log(" value for the random number generator.\n");
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@ -191,25 +203,31 @@ struct SetundefPass : public Pass {
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}
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if (args[argidx] == "-zero") {
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got_value = true;
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worker.next_bit_mode = 0;
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worker.next_bit_mode = MODE_ZERO;
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worker.next_bit_state = 0;
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continue;
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}
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if (args[argidx] == "-one") {
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got_value = true;
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worker.next_bit_mode = 1;
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worker.next_bit_mode = MODE_ONE;
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worker.next_bit_state = 0;
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continue;
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}
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if (args[argidx] == "-anyseq") {
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got_value = true;
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worker.next_bit_mode = 2;
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worker.next_bit_mode = MODE_ANYSEQ;
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worker.next_bit_state = 0;
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continue;
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}
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if (args[argidx] == "-anyconst") {
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got_value = true;
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worker.next_bit_mode = MODE_ANYCONST;
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worker.next_bit_state = 0;
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continue;
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}
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if (args[argidx] == "-undef") {
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got_value = true;
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worker.next_bit_mode = 4;
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worker.next_bit_mode = MODE_UNDEF;
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worker.next_bit_state = 0;
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continue;
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}
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@ -219,7 +237,7 @@ struct SetundefPass : public Pass {
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}
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if (args[argidx] == "-random" && !got_value && argidx+1 < args.size()) {
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got_value = true;
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worker.next_bit_mode = 3;
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worker.next_bit_mode = MODE_RANDOM;
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worker.next_bit_state = atoi(args[++argidx].c_str()) + 1;
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for (int i = 0; i < 10; i++)
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worker.next_bit();
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@ -232,7 +250,10 @@ struct SetundefPass : public Pass {
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if (expose_mode && !undriven_mode)
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log_cmd_error("Option -expose must be used with option -undriven.\n");
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if (!got_value)
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log_cmd_error("One of the options -zero, -one, -anyseq, or -random <seed> must be specified.\n");
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log_cmd_error("One of the options -zero, -one, -anyseq, -anyconst, or -random <seed> must be specified.\n");
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if (init_mode && (worker.next_bit_mode == MODE_ANYSEQ || worker.next_bit_mode == MODE_ANYCONST))
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log_cmd_error("The options -init and -anyseq / -anyconst are exclusive.\n");
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for (auto module : design->selected_modules())
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{
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@ -419,7 +440,7 @@ struct SetundefPass : public Pass {
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module->rewrite_sigspecs(worker);
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if (worker.next_bit_mode == 2)
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if (worker.next_bit_mode == MODE_ANYSEQ || worker.next_bit_mode == MODE_ANYCONST)
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{
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vector<SigSpec*> siglist;
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siglist.swap(worker.siglist);
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@ -436,7 +457,10 @@ struct SetundefPass : public Pass {
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width++;
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if (width > 0) {
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sig.replace(cursor, module->Anyseq(NEW_ID, width));
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if (worker.next_bit_mode == MODE_ANYSEQ)
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sig.replace(cursor, module->Anyseq(NEW_ID, width));
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else
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sig.replace(cursor, module->Anyconst(NEW_ID, width));
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cursor += width;
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} else {
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cursor++;
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@ -142,7 +142,7 @@ struct statdata_t
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}
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}
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void log_data()
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void log_data(RTLIL::IdString mod_name, bool top_mod)
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{
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log(" Number of wires: %6d\n", num_wires);
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log(" Number of wire bits: %6d\n", num_wire_bits);
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@ -163,7 +163,7 @@ struct statdata_t
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if (area != 0) {
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log("\n");
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log(" Chip area for this module: %f\n", area);
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log(" Chip area for %smodule '%s': %f\n", (top_mod) ? "top " : "", mod_name.c_str(), area);
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}
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}
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};
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@ -275,7 +275,7 @@ struct StatPass : public Pass {
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log("\n");
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log("=== %s%s ===\n", RTLIL::id2cstr(mod->name), design->selected_whole_module(mod->name) ? "" : " (partially selected)");
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log("\n");
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data.log_data();
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data.log_data(mod->name, false);
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}
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if (top_mod != NULL && GetSize(mod_stat) > 1)
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@ -288,7 +288,7 @@ struct StatPass : public Pass {
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statdata_t data = hierarchy_worker(mod_stat, top_mod->name, 0);
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log("\n");
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data.log_data();
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data.log_data(top_mod->name, true);
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}
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log("\n");
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