mirror of
https://github.com/YosysHQ/yosys
synced 2025-04-24 01:25:33 +00:00
Cleanup
This commit is contained in:
Eddie Hung
parent
bf312043d4
commit
fb90d8c18c
3 changed files with 32 additions and 298 deletions
|
|
@ -59,31 +59,23 @@ void aiger_encode(std::ostream &f, int x)
|
|||
struct XAigerWriter
|
||||
{
|
||||
Module *module;
|
||||
bool zinit_mode;
|
||||
SigMap sigmap;
|
||||
|
||||
dict<SigBit, bool> init_map;
|
||||
pool<SigBit> input_bits, output_bits;
|
||||
dict<SigBit, SigBit> not_map, ff_map, alias_map;
|
||||
dict<SigBit, SigBit> not_map, alias_map;
|
||||
dict<SigBit, pair<SigBit, SigBit>> and_map;
|
||||
//pool<SigBit> initstate_bits;
|
||||
vector<std::tuple<SigBit,RTLIL::Cell*,RTLIL::IdString,int>> ci_bits;
|
||||
vector<std::tuple<SigBit,RTLIL::Cell*,RTLIL::IdString,int,int>> co_bits;
|
||||
vector<std::pair<SigBit,SigBit>> ff_bits;
|
||||
|
||||
vector<pair<int, int>> aig_gates;
|
||||
vector<int> aig_latchin, aig_latchinit, aig_outputs;
|
||||
vector<int> aig_outputs;
|
||||
int aig_m = 0, aig_i = 0, aig_l = 0, aig_o = 0, aig_a = 0;
|
||||
|
||||
dict<SigBit, int> aig_map;
|
||||
dict<SigBit, int> ordered_outputs;
|
||||
dict<SigBit, int> ordered_latches;
|
||||
|
||||
vector<Cell*> box_list;
|
||||
|
||||
//dict<SigBit, int> init_inputs;
|
||||
//int initstate_ff = 0;
|
||||
|
||||
int mkgate(int a0, int a1)
|
||||
{
|
||||
aig_m++, aig_a++;
|
||||
|
|
@ -97,10 +89,6 @@ struct XAigerWriter
|
|||
{
|
||||
aig_map[bit] = -1;
|
||||
|
||||
//if (initstate_bits.count(bit)) {
|
||||
// log_assert(initstate_ff > 0);
|
||||
// aig_map[bit] = initstate_ff;
|
||||
//} else
|
||||
if (not_map.count(bit)) {
|
||||
int a = bit2aig(not_map.at(bit)) ^ 1;
|
||||
aig_map[bit] = a;
|
||||
|
|
@ -123,7 +111,7 @@ struct XAigerWriter
|
|||
return aig_map.at(bit);
|
||||
}
|
||||
|
||||
XAigerWriter(Module *module, bool zinit_mode, bool holes_mode=false) : module(module), zinit_mode(zinit_mode), sigmap(module)
|
||||
XAigerWriter(Module *module, bool holes_mode=false) : module(module), sigmap(module)
|
||||
{
|
||||
pool<SigBit> undriven_bits;
|
||||
pool<SigBit> unused_bits;
|
||||
|
|
@ -145,14 +133,6 @@ struct XAigerWriter
|
|||
|
||||
for (auto wire : module->wires())
|
||||
{
|
||||
if (wire->attributes.count("\\init")) {
|
||||
SigSpec initsig = sigmap(wire);
|
||||
Const initval = wire->attributes.at("\\init");
|
||||
for (int i = 0; i < GetSize(wire) && i < GetSize(initval); i++)
|
||||
if (initval[i] == State::S0 || initval[i] == State::S1)
|
||||
init_map[initsig[i]] = initval[i] == State::S1;
|
||||
}
|
||||
|
||||
bool keep = wire->attributes.count("\\keep");
|
||||
|
||||
for (int i = 0; i < GetSize(wire); i++)
|
||||
|
|
@ -207,16 +187,6 @@ struct XAigerWriter
|
|||
continue;
|
||||
}
|
||||
|
||||
//if (cell->type.in("$_FF_", "$_DFF_N_", "$_DFF_P_"))
|
||||
//{
|
||||
// SigBit D = sigmap(cell->getPort("\\D").as_bit());
|
||||
// SigBit Q = sigmap(cell->getPort("\\Q").as_bit());
|
||||
// unused_bits.erase(D);
|
||||
// undriven_bits.erase(Q);
|
||||
// ff_map[Q] = D;
|
||||
// continue;
|
||||
//}
|
||||
|
||||
if (cell->type == "$_AND_")
|
||||
{
|
||||
SigBit A = sigmap(cell->getPort("\\A").as_bit());
|
||||
|
|
@ -237,45 +207,8 @@ struct XAigerWriter
|
|||
|
||||
log_assert(!holes_mode);
|
||||
|
||||
//if (cell->type == "$initstate")
|
||||
//{
|
||||
// SigBit Y = sigmap(cell->getPort("\\Y").as_bit());
|
||||
// undriven_bits.erase(Y);
|
||||
// initstate_bits.insert(Y);
|
||||
// continue;
|
||||
//}
|
||||
|
||||
RTLIL::Module* inst_module = module->design->module(cell->type);
|
||||
//bool inst_flop = inst_module ? inst_module->attributes.count("\\abc_flop") : false;
|
||||
//if (inst_flop) {
|
||||
// SigBit d, q;
|
||||
// for (const auto &c : cell->connections()) {
|
||||
// auto is_input = cell->input(c.first);
|
||||
// auto is_output = cell->output(c.first);
|
||||
// log_assert(is_input || is_output);
|
||||
// RTLIL::Wire* port = inst_module->wire(c.first);
|
||||
// for (auto b : c.second.bits()) {
|
||||
// if (is_input && port->attributes.count("\\abc_flop_d")) {
|
||||
// d = b;
|
||||
// SigBit I = sigmap(d);
|
||||
// if (I != d)
|
||||
// alias_map[I] = d;
|
||||
// unused_bits.erase(d);
|
||||
// }
|
||||
// if (is_output && port->attributes.count("\\abc_flop_q")) {
|
||||
// q = b;
|
||||
// SigBit O = sigmap(q);
|
||||
// if (O != q)
|
||||
// alias_map[O] = q;
|
||||
// undriven_bits.erase(O);
|
||||
// }
|
||||
// }
|
||||
// }
|
||||
// if (!abc_box_seen)
|
||||
// abc_box_seen = inst_module->attributes.count("\\abc_box_id");
|
||||
// ff_bits.emplace_back(d, q);
|
||||
//}
|
||||
/*else*/ if (inst_module && inst_module->attributes.count("\\abc_box_id")) {
|
||||
if (inst_module && inst_module->attributes.count("\\abc_box_id")) {
|
||||
abc_box_seen = true;
|
||||
|
||||
if (!holes_mode) {
|
||||
|
|
@ -501,7 +434,6 @@ struct XAigerWriter
|
|||
log_warning("Treating a total of %d undriven bits in %s like $anyseq.\n", GetSize(undriven_bits), log_id(module));
|
||||
}
|
||||
|
||||
init_map.sort();
|
||||
if (holes_mode) {
|
||||
struct sort_by_port_id {
|
||||
bool operator()(const RTLIL::SigBit& a, const RTLIL::SigBit& b) const {
|
||||
|
|
@ -517,7 +449,6 @@ struct XAigerWriter
|
|||
}
|
||||
|
||||
not_map.sort();
|
||||
ff_map.sort();
|
||||
and_map.sort();
|
||||
|
||||
aig_map[State::S0] = 0;
|
||||
|
|
@ -529,78 +460,12 @@ struct XAigerWriter
|
|||
aig_map[bit] = 2*aig_m;
|
||||
}
|
||||
|
||||
for (auto &f : ff_bits) {
|
||||
RTLIL::SigBit bit = f.second;
|
||||
aig_m++, aig_i++;
|
||||
log_assert(!aig_map.count(bit));
|
||||
aig_map[bit] = 2*aig_m;
|
||||
}
|
||||
|
||||
dict<SigBit, int> ff_aig_map;
|
||||
for (auto &c : ci_bits) {
|
||||
RTLIL::SigBit bit = std::get<0>(c);
|
||||
aig_m++, aig_i++;
|
||||
auto r = aig_map.insert(std::make_pair(bit, 2*aig_m));
|
||||
if (!r.second)
|
||||
ff_aig_map[bit] = 2*aig_m;
|
||||
aig_map[bit] = 2*aig_m;
|
||||
}
|
||||
|
||||
//if (zinit_mode)
|
||||
//{
|
||||
// for (auto it : ff_map) {
|
||||
// if (init_map.count(it.first))
|
||||
// continue;
|
||||
// aig_m++, aig_i++;
|
||||
// init_inputs[it.first] = 2*aig_m;
|
||||
// }
|
||||
//}
|
||||
|
||||
for (auto it : ff_map) {
|
||||
aig_m++, aig_l++;
|
||||
aig_map[it.first] = 2*aig_m;
|
||||
ordered_latches[it.first] = aig_l-1;
|
||||
if (init_map.count(it.first) == 0)
|
||||
aig_latchinit.push_back(2);
|
||||
else
|
||||
aig_latchinit.push_back(init_map.at(it.first) ? 1 : 0);
|
||||
}
|
||||
|
||||
//if (!initstate_bits.empty() || !init_inputs.empty()) {
|
||||
// aig_m++, aig_l++;
|
||||
// initstate_ff = 2*aig_m+1;
|
||||
// aig_latchinit.push_back(0);
|
||||
//}
|
||||
|
||||
//if (zinit_mode)
|
||||
//{
|
||||
// for (auto it : ff_map)
|
||||
// {
|
||||
// int l = ordered_latches[it.first];
|
||||
|
||||
// if (aig_latchinit.at(l) == 1)
|
||||
// aig_map[it.first] ^= 1;
|
||||
|
||||
// if (aig_latchinit.at(l) == 2)
|
||||
// {
|
||||
// int gated_ffout = mkgate(aig_map[it.first], initstate_ff^1);
|
||||
// int gated_initin = mkgate(init_inputs[it.first], initstate_ff);
|
||||
// aig_map[it.first] = mkgate(gated_ffout^1, gated_initin^1)^1;
|
||||
// }
|
||||
// }
|
||||
//}
|
||||
|
||||
for (auto it : ff_map) {
|
||||
int a = bit2aig(it.second);
|
||||
int l = ordered_latches[it.first];
|
||||
if (zinit_mode && aig_latchinit.at(l) == 1)
|
||||
aig_latchin.push_back(a ^ 1);
|
||||
else
|
||||
aig_latchin.push_back(a);
|
||||
}
|
||||
|
||||
//if (!initstate_bits.empty() || !init_inputs.empty())
|
||||
// aig_latchin.push_back(1);
|
||||
|
||||
for (auto &c : co_bits) {
|
||||
RTLIL::SigBit bit = std::get<0>(c);
|
||||
std::get<4>(c) = ordered_outputs[bit] = aig_o++;
|
||||
|
|
@ -611,13 +476,6 @@ struct XAigerWriter
|
|||
ordered_outputs[bit] = aig_o++;
|
||||
aig_outputs.push_back(bit2aig(bit));
|
||||
}
|
||||
|
||||
for (auto &f : ff_bits) {
|
||||
aig_o++;
|
||||
RTLIL::SigBit bit = f.second;
|
||||
aig_outputs.push_back(ff_aig_map.at(bit));
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
void write_aiger(std::ostream &f, bool ascii_mode)
|
||||
|
|
@ -627,8 +485,6 @@ struct XAigerWriter
|
|||
int aig_obcjf = aig_obcj;
|
||||
|
||||
log_assert(aig_m == aig_i + aig_l + aig_a);
|
||||
log_assert(aig_l == GetSize(aig_latchin));
|
||||
log_assert(aig_l == GetSize(aig_latchinit));
|
||||
log_assert(aig_obcjf == GetSize(aig_outputs));
|
||||
|
||||
f << stringf("%s %d %d %d %d %d", ascii_mode ? "aag" : "aig", aig_m, aig_i, aig_l, aig_o, aig_a);
|
||||
|
|
@ -639,15 +495,6 @@ struct XAigerWriter
|
|||
for (int i = 0; i < aig_i; i++)
|
||||
f << stringf("%d\n", 2*i+2);
|
||||
|
||||
for (int i = 0; i < aig_l; i++) {
|
||||
if (zinit_mode || aig_latchinit.at(i) == 0)
|
||||
f << stringf("%d %d\n", 2*(aig_i+i)+2, aig_latchin.at(i));
|
||||
else if (aig_latchinit.at(i) == 1)
|
||||
f << stringf("%d %d 1\n", 2*(aig_i+i)+2, aig_latchin.at(i));
|
||||
else if (aig_latchinit.at(i) == 2)
|
||||
f << stringf("%d %d %d\n", 2*(aig_i+i)+2, aig_latchin.at(i), 2*(aig_i+i)+2);
|
||||
}
|
||||
|
||||
for (int i = 0; i < aig_obc; i++)
|
||||
f << stringf("%d\n", aig_outputs.at(i));
|
||||
|
||||
|
|
@ -665,15 +512,6 @@ struct XAigerWriter
|
|||
}
|
||||
else
|
||||
{
|
||||
for (int i = 0; i < aig_l; i++) {
|
||||
if (zinit_mode || aig_latchinit.at(i) == 0)
|
||||
f << stringf("%d\n", aig_latchin.at(i));
|
||||
else if (aig_latchinit.at(i) == 1)
|
||||
f << stringf("%d 1\n", aig_latchin.at(i));
|
||||
else if (aig_latchinit.at(i) == 2)
|
||||
f << stringf("%d %d\n", aig_latchin.at(i), 2*(aig_i+i)+2);
|
||||
}
|
||||
|
||||
for (int i = 0; i < aig_obc; i++)
|
||||
f << stringf("%d\n", aig_outputs.at(i));
|
||||
|
||||
|
|
@ -699,7 +537,7 @@ struct XAigerWriter
|
|||
|
||||
f << "c";
|
||||
|
||||
if (!box_list.empty() || !ff_bits.empty()) {
|
||||
if (!box_list.empty()) {
|
||||
auto write_buffer = [](std::stringstream &buffer, int i32) {
|
||||
int32_t i32_be = to_big_endian(i32);
|
||||
buffer.write(reinterpret_cast<const char*>(&i32_be), sizeof(i32_be));
|
||||
|
|
@ -708,14 +546,14 @@ struct XAigerWriter
|
|||
std::stringstream h_buffer;
|
||||
auto write_h_buffer = std::bind(write_buffer, std::ref(h_buffer), std::placeholders::_1);
|
||||
write_h_buffer(1);
|
||||
log_debug("ciNum = %zu\n", input_bits.size() + ff_bits.size() + ci_bits.size());
|
||||
write_h_buffer(input_bits.size() + ff_bits.size() + ci_bits.size());
|
||||
log_debug("coNum = %zu\n", output_bits.size() + ff_bits.size() + co_bits.size());
|
||||
write_h_buffer(output_bits.size() + ff_bits.size()+ co_bits.size());
|
||||
log_debug("piNum = %zu\n", input_bits.size() + ff_bits.size());
|
||||
write_h_buffer(input_bits.size()+ ff_bits.size());
|
||||
log_debug("poNum = %zu\n", output_bits.size() + ff_bits.size());
|
||||
write_h_buffer(output_bits.size() + ff_bits.size());
|
||||
log_debug("ciNum = %zu\n", input_bits.size() + ci_bits.size());
|
||||
write_h_buffer(input_bits.size() + ci_bits.size());
|
||||
log_debug("coNum = %zu\n", output_bits.size() + co_bits.size());
|
||||
write_h_buffer(output_bits.size() + co_bits.size());
|
||||
log_debug("piNum = %zu\n", input_bits.size());
|
||||
write_h_buffer(input_bits.size());
|
||||
log_debug("poNum = %zu\n", output_bits.size());
|
||||
write_h_buffer(output_bits.size());
|
||||
log_debug("boxNum = %zu\n", box_list.size());
|
||||
write_h_buffer(box_list.size());
|
||||
|
||||
|
|
@ -789,21 +627,15 @@ struct XAigerWriter
|
|||
f.write(reinterpret_cast<const char*>(&buffer_size_be), sizeof(buffer_size_be));
|
||||
f.write(buffer_str.data(), buffer_str.size());
|
||||
|
||||
/*if (!ff_bits.empty())*/ {
|
||||
std::stringstream r_buffer;
|
||||
auto write_r_buffer = std::bind(write_buffer, std::ref(r_buffer), std::placeholders::_1);
|
||||
log_debug("flopNum = %zu\n", ff_bits.size());
|
||||
write_r_buffer(ff_bits.size());
|
||||
//int mergeability_class = 1;
|
||||
//for (auto cell : ff_bits)
|
||||
// write_r_buffer(mergeability_class++);
|
||||
std::stringstream r_buffer;
|
||||
auto write_r_buffer = std::bind(write_buffer, std::ref(r_buffer), std::placeholders::_1);
|
||||
write_r_buffer(0);
|
||||
|
||||
f << "r";
|
||||
std::string buffer_str = r_buffer.str();
|
||||
int32_t buffer_size_be = to_big_endian(buffer_str.size());
|
||||
f.write(reinterpret_cast<const char*>(&buffer_size_be), sizeof(buffer_size_be));
|
||||
f.write(buffer_str.data(), buffer_str.size());
|
||||
}
|
||||
f << "r";
|
||||
buffer_str = r_buffer.str();
|
||||
buffer_size_be = to_big_endian(buffer_str.size());
|
||||
f.write(reinterpret_cast<const char*>(&buffer_size_be), sizeof(buffer_size_be));
|
||||
f.write(buffer_str.data(), buffer_str.size());
|
||||
|
||||
if (holes_module) {
|
||||
// NB: fixup_ports() will sort ports by name
|
||||
|
|
@ -831,7 +663,7 @@ struct XAigerWriter
|
|||
Pass::call(holes_module->design, "clean -purge");
|
||||
|
||||
std::stringstream a_buffer;
|
||||
XAigerWriter writer(holes_module, false /*zinit_mode*/, true /* holes_mode */);
|
||||
XAigerWriter writer(holes_module, true /* holes_mode */);
|
||||
writer.write_aiger(a_buffer, false /*ascii_mode*/);
|
||||
|
||||
holes_module->design->selection_stack.pop_back();
|
||||
|
|
@ -851,9 +683,7 @@ struct XAigerWriter
|
|||
void write_map(std::ostream &f, bool verbose_map)
|
||||
{
|
||||
dict<int, string> input_lines;
|
||||
dict<int, string> init_lines;
|
||||
dict<int, string> output_lines;
|
||||
dict<int, string> latch_lines;
|
||||
dict<int, string> wire_lines;
|
||||
|
||||
for (auto wire : module->wires())
|
||||
|
|
@ -878,22 +708,6 @@ struct XAigerWriter
|
|||
continue;
|
||||
}
|
||||
|
||||
//if (init_inputs.count(sig[i])) {
|
||||
// int a = init_inputs.at(sig[i]);
|
||||
// log_assert((a & 1) == 0);
|
||||
// init_lines[a] += stringf("init %d %d %s\n", (a >> 1)-1, i, log_id(wire));
|
||||
// continue;
|
||||
//}
|
||||
|
||||
if (ordered_latches.count(sig[i])) {
|
||||
int l = ordered_latches.at(sig[i]);
|
||||
if (zinit_mode && (aig_latchinit.at(l) == 1))
|
||||
latch_lines[l] += stringf("invlatch %d %d %s\n", l, i, log_id(wire));
|
||||
else
|
||||
latch_lines[l] += stringf("latch %d %d %s\n", l, i, log_id(wire));
|
||||
continue;
|
||||
}
|
||||
|
||||
if (verbose_map) {
|
||||
if (aig_map.count(sig[i]) == 0)
|
||||
continue;
|
||||
|
|
@ -909,10 +723,6 @@ struct XAigerWriter
|
|||
f << it.second;
|
||||
log_assert(input_lines.size() == input_bits.size());
|
||||
|
||||
init_lines.sort();
|
||||
for (auto &it : init_lines)
|
||||
f << it.second;
|
||||
|
||||
int box_count = 0;
|
||||
for (auto cell : box_list)
|
||||
f << stringf("box %d %d %s\n", box_count++, 0, log_id(cell->name));
|
||||
|
|
@ -922,10 +732,6 @@ struct XAigerWriter
|
|||
f << it.second;
|
||||
log_assert(output_lines.size() == output_bits.size());
|
||||
|
||||
latch_lines.sort();
|
||||
for (auto &it : latch_lines)
|
||||
f << it.second;
|
||||
|
||||
wire_lines.sort();
|
||||
for (auto &it : wire_lines)
|
||||
f << it.second;
|
||||
|
|
@ -946,10 +752,6 @@ struct XAigerBackend : public Backend {
|
|||
log(" -ascii\n");
|
||||
log(" write ASCII version of AIGER format\n");
|
||||
log("\n");
|
||||
log(" -zinit\n");
|
||||
log(" convert FFs to zero-initialized FFs, adding additional inputs for\n");
|
||||
log(" uninitialized FFs.\n");
|
||||
log("\n");
|
||||
log(" -map <filename>\n");
|
||||
log(" write an extra file with port and latch symbols\n");
|
||||
log("\n");
|
||||
|
|
@ -960,7 +762,6 @@ struct XAigerBackend : public Backend {
|
|||
void execute(std::ostream *&f, std::string filename, std::vector<std::string> args, RTLIL::Design *design) YS_OVERRIDE
|
||||
{
|
||||
bool ascii_mode = false;
|
||||
bool zinit_mode = false;
|
||||
bool verbose_map = false;
|
||||
std::string map_filename;
|
||||
|
||||
|
|
@ -973,10 +774,6 @@ struct XAigerBackend : public Backend {
|
|||
ascii_mode = true;
|
||||
continue;
|
||||
}
|
||||
if (args[argidx] == "-zinit") {
|
||||
zinit_mode = true;
|
||||
continue;
|
||||
}
|
||||
if (map_filename.empty() && args[argidx] == "-map" && argidx+1 < args.size()) {
|
||||
map_filename = args[++argidx];
|
||||
continue;
|
||||
|
|
@ -995,7 +792,7 @@ struct XAigerBackend : public Backend {
|
|||
if (top_module == nullptr)
|
||||
log_error("Can't find top module in current design!\n");
|
||||
|
||||
XAigerWriter writer(top_module, zinit_mode);
|
||||
XAigerWriter writer(top_module);
|
||||
writer.write_aiger(*f, ascii_mode);
|
||||
|
||||
if (!map_filename.empty()) {
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue