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Merging with official repo

This commit is contained in:
Aman Goel 2018-07-04 15:14:28 -04:00
commit 4d343fc1cd
28 changed files with 1350 additions and 191 deletions

View file

@ -23,6 +23,13 @@
#include "kernel/rtlil.h"
#include "kernel/log.h"
#define MODE_ZERO 0
#define MODE_ONE 1
#define MODE_UNDEF 2
#define MODE_RANDOM 3
#define MODE_ANYSEQ 4
#define MODE_ANYCONST 5
USING_YOSYS_NAMESPACE
PRIVATE_NAMESPACE_BEGIN
@ -97,30 +104,32 @@ struct SetundefWorker
RTLIL::State next_bit()
{
if (next_bit_mode == 0)
if (next_bit_mode == MODE_ZERO)
return RTLIL::State::S0;
if (next_bit_mode == 1)
if (next_bit_mode == MODE_ONE)
return RTLIL::State::S1;
if (next_bit_mode == 2)
log_abort();
if (next_bit_mode == 4)
if (next_bit_mode == MODE_UNDEF)
return RTLIL::State::Sx;
// xorshift32
next_bit_state ^= next_bit_state << 13;
next_bit_state ^= next_bit_state >> 17;
next_bit_state ^= next_bit_state << 5;
log_assert(next_bit_state != 0);
if (next_bit_mode == MODE_RANDOM)
{
// xorshift32
next_bit_state ^= next_bit_state << 13;
next_bit_state ^= next_bit_state >> 17;
next_bit_state ^= next_bit_state << 5;
log_assert(next_bit_state != 0);
return ((next_bit_state >> (next_bit_state & 15)) & 16) ? RTLIL::State::S0 : RTLIL::State::S1;
return ((next_bit_state >> (next_bit_state & 15)) & 16) ? RTLIL::State::S0 : RTLIL::State::S1;
}
log_abort();
}
void operator()(RTLIL::SigSpec &sig)
{
if (next_bit_mode == 2) {
if (next_bit_mode == MODE_ANYSEQ || next_bit_mode == MODE_ANYCONST) {
siglist.push_back(&sig);
return;
}
@ -145,7 +154,7 @@ struct SetundefPass : public Pass {
log(" also set undriven nets to constant values\n");
log("\n");
log(" -expose\n");
log(" also expose undriven nets as inputs\n");
log(" also expose undriven nets as inputs (use with -undriven)\n");
log("\n");
log(" -zero\n");
log(" replace with bits cleared (0)\n");
@ -159,6 +168,9 @@ struct SetundefPass : public Pass {
log(" -anyseq\n");
log(" replace with $anyseq drivers (for formal)\n");
log("\n");
log(" -anyconst\n");
log(" replace with $anyconst drivers (for formal)\n");
log("\n");
log(" -random <seed>\n");
log(" replace with random bits using the specified integer als seed\n");
log(" value for the random number generator.\n");
@ -191,25 +203,31 @@ struct SetundefPass : public Pass {
}
if (args[argidx] == "-zero") {
got_value = true;
worker.next_bit_mode = 0;
worker.next_bit_mode = MODE_ZERO;
worker.next_bit_state = 0;
continue;
}
if (args[argidx] == "-one") {
got_value = true;
worker.next_bit_mode = 1;
worker.next_bit_mode = MODE_ONE;
worker.next_bit_state = 0;
continue;
}
if (args[argidx] == "-anyseq") {
got_value = true;
worker.next_bit_mode = 2;
worker.next_bit_mode = MODE_ANYSEQ;
worker.next_bit_state = 0;
continue;
}
if (args[argidx] == "-anyconst") {
got_value = true;
worker.next_bit_mode = MODE_ANYCONST;
worker.next_bit_state = 0;
continue;
}
if (args[argidx] == "-undef") {
got_value = true;
worker.next_bit_mode = 4;
worker.next_bit_mode = MODE_UNDEF;
worker.next_bit_state = 0;
continue;
}
@ -219,7 +237,7 @@ struct SetundefPass : public Pass {
}
if (args[argidx] == "-random" && !got_value && argidx+1 < args.size()) {
got_value = true;
worker.next_bit_mode = 3;
worker.next_bit_mode = MODE_RANDOM;
worker.next_bit_state = atoi(args[++argidx].c_str()) + 1;
for (int i = 0; i < 10; i++)
worker.next_bit();
@ -232,7 +250,10 @@ struct SetundefPass : public Pass {
if (expose_mode && !undriven_mode)
log_cmd_error("Option -expose must be used with option -undriven.\n");
if (!got_value)
log_cmd_error("One of the options -zero, -one, -anyseq, or -random <seed> must be specified.\n");
log_cmd_error("One of the options -zero, -one, -anyseq, -anyconst, or -random <seed> must be specified.\n");
if (init_mode && (worker.next_bit_mode == MODE_ANYSEQ || worker.next_bit_mode == MODE_ANYCONST))
log_cmd_error("The options -init and -anyseq / -anyconst are exclusive.\n");
for (auto module : design->selected_modules())
{
@ -419,7 +440,7 @@ struct SetundefPass : public Pass {
module->rewrite_sigspecs(worker);
if (worker.next_bit_mode == 2)
if (worker.next_bit_mode == MODE_ANYSEQ || worker.next_bit_mode == MODE_ANYCONST)
{
vector<SigSpec*> siglist;
siglist.swap(worker.siglist);
@ -436,7 +457,10 @@ struct SetundefPass : public Pass {
width++;
if (width > 0) {
sig.replace(cursor, module->Anyseq(NEW_ID, width));
if (worker.next_bit_mode == MODE_ANYSEQ)
sig.replace(cursor, module->Anyseq(NEW_ID, width));
else
sig.replace(cursor, module->Anyconst(NEW_ID, width));
cursor += width;
} else {
cursor++;

View file

@ -142,7 +142,7 @@ struct statdata_t
}
}
void log_data()
void log_data(RTLIL::IdString mod_name, bool top_mod)
{
log(" Number of wires: %6d\n", num_wires);
log(" Number of wire bits: %6d\n", num_wire_bits);
@ -163,7 +163,7 @@ struct statdata_t
if (area != 0) {
log("\n");
log(" Chip area for this module: %f\n", area);
log(" Chip area for %smodule '%s': %f\n", (top_mod) ? "top " : "", mod_name.c_str(), area);
}
}
};
@ -275,7 +275,7 @@ struct StatPass : public Pass {
log("\n");
log("=== %s%s ===\n", RTLIL::id2cstr(mod->name), design->selected_whole_module(mod->name) ? "" : " (partially selected)");
log("\n");
data.log_data();
data.log_data(mod->name, false);
}
if (top_mod != NULL && GetSize(mod_stat) > 1)
@ -288,7 +288,7 @@ struct StatPass : public Pass {
statdata_t data = hierarchy_worker(mod_stat, top_mod->name, 0);
log("\n");
data.log_data();
data.log_data(top_mod->name, true);
}
log("\n");

View file

@ -18,6 +18,7 @@
*/
#include "kernel/yosys.h"
#include "frontends/verific/verific.h"
#include <stdlib.h>
#include <stdio.h>
#include <set>
@ -258,7 +259,7 @@ bool expand_module(RTLIL::Design *design, RTLIL::Module *module, bool flag_check
if (mod->wires_.count(portname) == 0)
log_error("Array cell `%s.%s' connects to unknown port `%s'.\n", RTLIL::id2cstr(module->name), RTLIL::id2cstr(cell->name), RTLIL::id2cstr(conn.first));
int port_size = mod->wires_.at(portname)->width;
if (conn_size == port_size)
if (conn_size == port_size || conn_size == 0)
continue;
if (conn_size != port_size*num)
log_error("Array cell `%s.%s' has invalid port vs. signal size for port `%s'.\n", RTLIL::id2cstr(module->name), RTLIL::id2cstr(cell->name), RTLIL::id2cstr(conn.first));
@ -421,6 +422,7 @@ struct HierarchyPass : public Pass {
bool flag_simcheck = false;
bool purge_lib = false;
RTLIL::Module *top_mod = NULL;
std::string load_top_mod;
std::vector<std::string> libdirs;
bool auto_top_mode = false;
@ -511,7 +513,7 @@ struct HierarchyPass : public Pass {
top_mod = design->modules_.count(RTLIL::escape_id(args[argidx])) ? design->modules_.at(RTLIL::escape_id(args[argidx])) : NULL;
}
if (top_mod == NULL)
log_cmd_error("Module `%s' not found!\n", args[argidx].c_str());
load_top_mod = args[argidx];
continue;
}
if (args[argidx] == "-auto-top") {
@ -522,6 +524,22 @@ struct HierarchyPass : public Pass {
}
extra_args(args, argidx, design, false);
if (!load_top_mod.empty()) {
#ifdef YOSYS_ENABLE_VERIFIC
if (verific_import_pending) {
verific_import(design, load_top_mod);
top_mod = design->module(RTLIL::escape_id(load_top_mod));
}
#endif
if (top_mod == NULL)
log_cmd_error("Module `%s' not found!\n", load_top_mod.c_str());
} else {
#ifdef YOSYS_ENABLE_VERIFIC
if (verific_import_pending)
verific_import(design);
#endif
}
if (generate_mode) {
generate(design, generate_cells, generate_ports);
return;

View file

@ -33,8 +33,20 @@ struct MemoryDffWorker
dict<SigBit, int> sigbit_users_count;
dict<SigSpec, Cell*> mux_cells_a, mux_cells_b;
pool<Cell*> forward_merged_dffs, candidate_dffs;
pool<SigBit> init_bits;
MemoryDffWorker(Module *module) : module(module), sigmap(module) { }
MemoryDffWorker(Module *module) : module(module), sigmap(module)
{
for (auto wire : module->wires()) {
if (wire->attributes.count("\\init") == 0)
continue;
SigSpec sig = sigmap(wire);
Const initval = wire->attributes.count("\\init");
for (int i = 0; i < GetSize(sig) && i < GetSize(initval); i++)
if (initval[i] == State::S0 || initval[i] == State::S1)
init_bits.insert(sig[i]);
}
}
bool find_sig_before_dff(RTLIL::SigSpec &sig, RTLIL::SigSpec &clk, bool &clk_polarity, bool after = false)
{
@ -45,6 +57,9 @@ struct MemoryDffWorker
if (bit.wire == NULL)
continue;
if (!after && init_bits.count(sigmap(bit)))
return false;
for (auto cell : dff_cells)
{
if (after && forward_merged_dffs.count(cell))
@ -72,6 +87,9 @@ struct MemoryDffWorker
if (d.size() != 1)
continue;
if (after && init_bits.count(d))
return false;
bit = d;
clk = this_clk;
clk_polarity = this_clk_polarity;

View file

@ -61,49 +61,59 @@ struct MemoryNordffPass : public Pass {
SigSpec rd_addr = cell->getPort("\\RD_ADDR");
SigSpec rd_data = cell->getPort("\\RD_DATA");
SigSpec rd_clk = cell->getPort("\\RD_CLK");
SigSpec rd_en = cell->getPort("\\RD_EN");
Const rd_clk_enable = cell->getParam("\\RD_CLK_ENABLE");
Const rd_clk_polarity = cell->getParam("\\RD_CLK_POLARITY");
for (int i = 0; i < rd_ports; i++)
{
bool clk_enable = rd_clk_enable[i] == State::S1;
if (!clk_enable)
continue;
bool clk_polarity = cell->getParam("\\RD_CLK_POLARITY")[i] == State::S1;
bool transparent = cell->getParam("\\RD_TRANSPARENT")[i] == State::S1;
SigSpec clk = cell->getPort("\\RD_CLK")[i] ;
SigSpec en = cell->getPort("\\RD_EN")[i];
Cell *c;
if (transparent)
if (clk_enable)
{
SigSpec sig_q = module->addWire(NEW_ID, abits);
SigSpec sig_d = rd_addr.extract(abits * i, abits);
rd_addr.replace(abits * i, sig_q);
if (en != State::S1)
sig_d = module->Mux(NEW_ID, sig_q, sig_d, en);
c = module->addDff(NEW_ID, clk, sig_d, sig_q, clk_polarity);
}
else
{
SigSpec sig_d = module->addWire(NEW_ID, width);
SigSpec sig_q = rd_data.extract(width * i, width);
rd_data.replace(width *i, sig_d);
if (en != State::S1)
sig_d = module->Mux(NEW_ID, sig_q, sig_d, en);
c = module->addDff(NEW_ID, clk, sig_d, sig_q, clk_polarity);
bool clk_polarity = cell->getParam("\\RD_CLK_POLARITY")[i] == State::S1;
bool transparent = cell->getParam("\\RD_TRANSPARENT")[i] == State::S1;
SigSpec clk = cell->getPort("\\RD_CLK")[i] ;
SigSpec en = cell->getPort("\\RD_EN")[i];
Cell *c;
if (transparent)
{
SigSpec sig_q = module->addWire(NEW_ID, abits);
SigSpec sig_d = rd_addr.extract(abits * i, abits);
rd_addr.replace(abits * i, sig_q);
if (en != State::S1)
sig_d = module->Mux(NEW_ID, sig_q, sig_d, en);
c = module->addDff(NEW_ID, clk, sig_d, sig_q, clk_polarity);
}
else
{
SigSpec sig_d = module->addWire(NEW_ID, width);
SigSpec sig_q = rd_data.extract(width * i, width);
rd_data.replace(width *i, sig_d);
if (en != State::S1)
sig_d = module->Mux(NEW_ID, sig_q, sig_d, en);
c = module->addDff(NEW_ID, clk, sig_d, sig_q, clk_polarity);
}
log("Extracted %s FF from read port %d of %s.%s: %s\n", transparent ? "addr" : "data",
i, log_id(module), log_id(cell), log_id(c));
}
log("Extracted %s FF from read port %d of %s.%s: %s\n", transparent ? "addr" : "data",
i, log_id(module), log_id(cell), log_id(c));
rd_en[i] = State::S1;
rd_clk[i] = State::S0;
rd_clk_enable[i] = State::S0;
rd_clk_polarity[i] = State::S1;
}
cell->setPort("\\RD_ADDR", rd_addr);
cell->setPort("\\RD_DATA", rd_data);
cell->setPort("\\RD_CLK", rd_clk);
cell->setPort("\\RD_EN", rd_en);
cell->setParam("\\RD_CLK_ENABLE", rd_clk_enable);
cell->setParam("\\RD_CLK_POLARITY", rd_clk_polarity);
}
}
} MemoryNordffPass;

View file

@ -60,6 +60,10 @@
#include "frontends/blif/blifparse.h"
#ifdef YOSYS_LINK_ABC
extern "C" int Abc_RealMain(int argc, char *argv[]);
#endif
USING_YOSYS_NAMESPACE
PRIVATE_NAMESPACE_BEGIN
@ -546,11 +550,13 @@ std::string replace_tempdir(std::string text, std::string tempdir_name, bool sho
}
std::string selfdir_name = proc_self_dirname();
while (1) {
size_t pos = text.find(selfdir_name);
if (pos == std::string::npos)
break;
text = text.substr(0, pos) + "<yosys-exe-dir>/" + text.substr(pos + GetSize(selfdir_name));
if (selfdir_name != "/") {
while (1) {
size_t pos = text.find(selfdir_name);
if (pos == std::string::npos)
break;
text = text.substr(0, pos) + "<yosys-exe-dir>/" + text.substr(pos + GetSize(selfdir_name));
}
}
return text;
@ -943,8 +949,24 @@ void abc_module(RTLIL::Design *design, RTLIL::Module *current_module, std::strin
buffer = stringf("%s -s -f %s/abc.script 2>&1", exe_file.c_str(), tempdir_name.c_str());
log("Running ABC command: %s\n", replace_tempdir(buffer, tempdir_name, show_tempdir).c_str());
#ifndef YOSYS_LINK_ABC
abc_output_filter filt(tempdir_name, show_tempdir);
int ret = run_command(buffer, std::bind(&abc_output_filter::next_line, filt, std::placeholders::_1));
#else
// These needs to be mutable, supposedly due to getopt
char *abc_argv[5];
string tmp_script_name = stringf("%s/abc.script", tempdir_name.c_str());
abc_argv[0] = strdup(exe_file.c_str());
abc_argv[1] = strdup("-s");
abc_argv[2] = strdup("-f");
abc_argv[3] = strdup(tmp_script_name.c_str());
abc_argv[4] = 0;
int ret = Abc_RealMain(4, abc_argv);
free(abc_argv[0]);
free(abc_argv[1]);
free(abc_argv[2]);
free(abc_argv[3]);
#endif
if (ret != 0)
log_error("ABC: execution of command \"%s\" failed: return code %d.\n", buffer.c_str(), ret);

View file

@ -57,7 +57,7 @@ struct DeminoutPass : public Pass {
for (auto module : design->selected_modules())
{
SigMap sigmap(module);
pool<SigBit> bits_written, bits_used, bits_inout;
pool<SigBit> bits_written, bits_used, bits_inout, bits_tribuf;
dict<SigBit, int> bits_numports;
for (auto wire : module->wires())
@ -82,6 +82,25 @@ struct DeminoutPass : public Pass {
if (cellport_in)
for (auto bit : sigmap(conn.second))
bits_used.insert(bit);
if (conn.first == "\\Y" && cell->type.in("$mux", "$pmux", "$_MUX_", "$_TBUF_"))
{
bool tribuf = (cell->type == "$_TBUF_");
if (!tribuf) {
for (auto &c : cell->connections()) {
if (!c.first.in("\\A", "\\B"))
continue;
for (auto b : sigmap(c.second))
if (b == State::Sz)
tribuf = true;
}
}
if (tribuf)
for (auto bit : sigmap(conn.second))
bits_tribuf.insert(bit);
}
}
for (auto wire : module->selected_wires())
@ -95,10 +114,15 @@ struct DeminoutPass : public Pass {
if (bits_numports[bit] > 1 || bits_inout.count(bit))
new_input = true, new_output = true;
if (bits_written.count(bit))
if (bits_written.count(bit)) {
new_output = true;
else if (bits_used.count(bit))
new_input = true;
if (bits_tribuf.count(bit))
goto tribuf_bit;
} else {
tribuf_bit:
if (bits_used.count(bit))
new_input = true;
}
}
if (new_input != new_output) {

View file

@ -146,11 +146,37 @@ struct IopadmapPass : public Pass {
for (auto module : design->selected_modules())
{
dict<IdString, pool<int>> skip_wires;
pool<SigBit> skip_wire_bits;
SigMap sigmap(module);
for (auto cell : module->cells())
{
if (cell->type == RTLIL::escape_id(inpad_celltype) && cell->hasPort(RTLIL::escape_id(inpad_portname2)))
for (auto bit : sigmap(cell->getPort(RTLIL::escape_id(inpad_portname2))))
skip_wire_bits.insert(bit);
if (cell->type == RTLIL::escape_id(outpad_celltype) && cell->hasPort(RTLIL::escape_id(outpad_portname2)))
for (auto bit : sigmap(cell->getPort(RTLIL::escape_id(outpad_portname2))))
skip_wire_bits.insert(bit);
if (cell->type == RTLIL::escape_id(inoutpad_celltype) && cell->hasPort(RTLIL::escape_id(inoutpad_portname2)))
for (auto bit : sigmap(cell->getPort(RTLIL::escape_id(inoutpad_portname2))))
skip_wire_bits.insert(bit);
if (cell->type == RTLIL::escape_id(toutpad_celltype) && cell->hasPort(RTLIL::escape_id(toutpad_portname3)))
for (auto bit : sigmap(cell->getPort(RTLIL::escape_id(toutpad_portname3))))
skip_wire_bits.insert(bit);
if (cell->type == RTLIL::escape_id(tinoutpad_celltype) && cell->hasPort(RTLIL::escape_id(tinoutpad_portname4)))
for (auto bit : sigmap(cell->getPort(RTLIL::escape_id(tinoutpad_portname4))))
skip_wire_bits.insert(bit);
}
if (!toutpad_celltype.empty() || !tinoutpad_celltype.empty())
{
SigMap sigmap(module);
dict<SigBit, pair<IdString, pool<IdString>>> tbuf_bits;
pool<pair<IdString, IdString>> norewrites;
SigMap rewrites;
for (auto cell : module->cells())
if (cell->type == "$_TBUF_") {
@ -177,6 +203,9 @@ struct IopadmapPass : public Pass {
if (tbuf_bits.count(mapped_wire_bit) == 0)
continue;
if (skip_wire_bits.count(mapped_wire_bit))
continue;
auto &tbuf_cache = tbuf_bits.at(mapped_wire_bit);
Cell *tbuf_cell = module->cell(tbuf_cache.first);
@ -219,6 +248,9 @@ struct IopadmapPass : public Pass {
module->remove(tbuf_cell);
skip_wires[wire->name].insert(i);
norewrites.insert(make_pair(cell->name, RTLIL::escape_id(tinoutpad_portname4)));
rewrites.add(sigmap(wire_bit), owire);
continue;
}
@ -256,6 +288,22 @@ struct IopadmapPass : public Pass {
}
}
}
if (GetSize(norewrites))
{
for (auto cell : module->cells())
for (auto port : cell->connections())
{
if (norewrites.count(make_pair(cell->name, port.first)))
continue;
SigSpec orig_sig = sigmap(port.second);
SigSpec new_sig = rewrites(orig_sig);
if (orig_sig != new_sig)
cell->setPort(port.first, new_sig);
}
}
}
for (auto wire : module->selected_wires())
@ -272,6 +320,13 @@ struct IopadmapPass : public Pass {
skip_bit_indices = skip_wires.at(wire->name);
}
for (int i = 0; i < GetSize(wire); i++)
if (skip_wire_bits.count(sigmap(SigBit(wire, i))))
skip_bit_indices.insert(i);
if (GetSize(wire) == GetSize(skip_bit_indices))
continue;
if (wire->port_input && !wire->port_output) {
if (inpad_celltype.empty()) {
log("Don't map input port %s.%s: Missing option -inpad.\n", RTLIL::id2cstr(module->name), RTLIL::id2cstr(wire->name));