* yosys -- Yosys Open SYnthesis Suite
*
* Copyright (C) 2012 Clifford Wolf <clifford@clifford.at>
- *
+ *
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
- *
+ *
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
*
*/
-#include "kernel/register.h"
+#include "simplemap.h"
#include "kernel/sigtools.h"
-#include "kernel/log.h"
#include <stdlib.h>
-#include <assert.h>
#include <stdio.h>
#include <string.h>
-extern void simplemap_get_mappers(std::map<std::string, void(*)(RTLIL::Module*, RTLIL::Cell*)> &mappers);
+USING_YOSYS_NAMESPACE
+YOSYS_NAMESPACE_BEGIN
-static void simplemap_not(RTLIL::Module *module, RTLIL::Cell *cell)
+void simplemap_not(RTLIL::Module *module, RTLIL::Cell *cell)
{
- int width = cell->parameters.at("\\Y_WIDTH").as_int();
-
- RTLIL::SigSpec sig_a = cell->connections.at("\\A");
- sig_a.extend(width, cell->parameters.at("\\A_SIGNED").as_bool());
- sig_a.expand();
+ RTLIL::SigSpec sig_a = cell->getPort(ID::A);
+ RTLIL::SigSpec sig_y = cell->getPort(ID::Y);
- RTLIL::SigSpec sig_y = cell->connections.at("\\Y");
- sig_y.expand();
+ sig_a.extend_u0(GetSize(sig_y), cell->parameters.at(ID(A_SIGNED)).as_bool());
- for (int i = 0; i < width; i++) {
- RTLIL::Cell *gate = new RTLIL::Cell;
- gate->name = NEW_ID;
- gate->type = "$_INV_";
- gate->connections["\\A"] = sig_a.__chunks.at(i);
- gate->connections["\\Y"] = sig_y.__chunks.at(i);
- module->add(gate);
+ for (int i = 0; i < GetSize(sig_y); i++) {
+ RTLIL::Cell *gate = module->addCell(NEW_ID, ID($_NOT_));
+ gate->add_strpool_attribute(ID(src), cell->get_strpool_attribute(ID(src)));
+ gate->setPort(ID::A, sig_a[i]);
+ gate->setPort(ID::Y, sig_y[i]);
}
}
-static void simplemap_pos(RTLIL::Module *module, RTLIL::Cell *cell)
-{
- int width = cell->parameters.at("\\Y_WIDTH").as_int();
-
- RTLIL::SigSpec sig_a = cell->connections.at("\\A");
- sig_a.extend(width, cell->parameters.at("\\A_SIGNED").as_bool());
-
- RTLIL::SigSpec sig_y = cell->connections.at("\\Y");
-
- module->connections.push_back(RTLIL::SigSig(sig_y, sig_a));
-}
-
-static void simplemap_bu0(RTLIL::Module *module, RTLIL::Cell *cell)
+void simplemap_pos(RTLIL::Module *module, RTLIL::Cell *cell)
{
- int width = cell->parameters.at("\\Y_WIDTH").as_int();
-
- RTLIL::SigSpec sig_a = cell->connections.at("\\A");
- sig_a.extend_u0(width, cell->parameters.at("\\A_SIGNED").as_bool());
+ RTLIL::SigSpec sig_a = cell->getPort(ID::A);
+ RTLIL::SigSpec sig_y = cell->getPort(ID::Y);
- RTLIL::SigSpec sig_y = cell->connections.at("\\Y");
+ sig_a.extend_u0(GetSize(sig_y), cell->parameters.at(ID(A_SIGNED)).as_bool());
- module->connections.push_back(RTLIL::SigSig(sig_y, sig_a));
+ module->connect(RTLIL::SigSig(sig_y, sig_a));
}
-static void simplemap_bitop(RTLIL::Module *module, RTLIL::Cell *cell)
+void simplemap_bitop(RTLIL::Module *module, RTLIL::Cell *cell)
{
- int width = cell->parameters.at("\\Y_WIDTH").as_int();
-
- RTLIL::SigSpec sig_a = cell->connections.at("\\A");
- sig_a.extend_u0(width, cell->parameters.at("\\A_SIGNED").as_bool());
- sig_a.expand();
+ RTLIL::SigSpec sig_a = cell->getPort(ID::A);
+ RTLIL::SigSpec sig_b = cell->getPort(ID::B);
+ RTLIL::SigSpec sig_y = cell->getPort(ID::Y);
- RTLIL::SigSpec sig_b = cell->connections.at("\\B");
- sig_b.extend_u0(width, cell->parameters.at("\\B_SIGNED").as_bool());
- sig_b.expand();
+ sig_a.extend_u0(GetSize(sig_y), cell->parameters.at(ID(A_SIGNED)).as_bool());
+ sig_b.extend_u0(GetSize(sig_y), cell->parameters.at(ID(B_SIGNED)).as_bool());
- RTLIL::SigSpec sig_y = cell->connections.at("\\Y");
- sig_y.expand();
-
- if (cell->type == "$xnor")
+ if (cell->type == ID($xnor))
{
- RTLIL::SigSpec sig_t = module->addWire(NEW_ID, width);
- sig_t.expand();
-
- for (int i = 0; i < width; i++) {
- RTLIL::Cell *gate = new RTLIL::Cell;
- gate->name = NEW_ID;
- gate->type = "$_INV_";
- gate->connections["\\A"] = sig_t.__chunks.at(i);
- gate->connections["\\Y"] = sig_y.__chunks.at(i);
- module->add(gate);
+ RTLIL::SigSpec sig_t = module->addWire(NEW_ID, GetSize(sig_y));
+
+ for (int i = 0; i < GetSize(sig_y); i++) {
+ RTLIL::Cell *gate = module->addCell(NEW_ID, ID($_NOT_));
+ gate->add_strpool_attribute(ID(src), cell->get_strpool_attribute(ID(src)));
+ gate->setPort(ID::A, sig_t[i]);
+ gate->setPort(ID::Y, sig_y[i]);
}
sig_y = sig_t;
}
- std::string gate_type;
- if (cell->type == "$and") gate_type = "$_AND_";
- if (cell->type == "$or") gate_type = "$_OR_";
- if (cell->type == "$xor") gate_type = "$_XOR_";
- if (cell->type == "$xnor") gate_type = "$_XOR_";
+ IdString gate_type;
+ if (cell->type == ID($and)) gate_type = ID($_AND_);
+ if (cell->type == ID($or)) gate_type = ID($_OR_);
+ if (cell->type == ID($xor)) gate_type = ID($_XOR_);
+ if (cell->type == ID($xnor)) gate_type = ID($_XOR_);
log_assert(!gate_type.empty());
- for (int i = 0; i < width; i++) {
- RTLIL::Cell *gate = new RTLIL::Cell;
- gate->name = NEW_ID;
- gate->type = gate_type;
- gate->connections["\\A"] = sig_a.__chunks.at(i);
- gate->connections["\\B"] = sig_b.__chunks.at(i);
- gate->connections["\\Y"] = sig_y.__chunks.at(i);
- module->add(gate);
+ for (int i = 0; i < GetSize(sig_y); i++) {
+ RTLIL::Cell *gate = module->addCell(NEW_ID, gate_type);
+ gate->add_strpool_attribute(ID(src), cell->get_strpool_attribute(ID(src)));
+ gate->setPort(ID::A, sig_a[i]);
+ gate->setPort(ID::B, sig_b[i]);
+ gate->setPort(ID::Y, sig_y[i]);
}
}
-static void simplemap_reduce(RTLIL::Module *module, RTLIL::Cell *cell)
+void simplemap_reduce(RTLIL::Module *module, RTLIL::Cell *cell)
{
- RTLIL::SigSpec sig_a = cell->connections.at("\\A");
- sig_a.expand();
-
- RTLIL::SigSpec sig_y = cell->connections.at("\\Y");
+ RTLIL::SigSpec sig_a = cell->getPort(ID::A);
+ RTLIL::SigSpec sig_y = cell->getPort(ID::Y);
- if (sig_y.__width == 0)
+ if (sig_y.size() == 0)
return;
-
- if (sig_a.__width == 0) {
- if (cell->type == "$reduce_and") module->connections.push_back(RTLIL::SigSig(sig_y, RTLIL::SigSpec(1, sig_y.__width)));
- if (cell->type == "$reduce_or") module->connections.push_back(RTLIL::SigSig(sig_y, RTLIL::SigSpec(0, sig_y.__width)));
- if (cell->type == "$reduce_xor") module->connections.push_back(RTLIL::SigSig(sig_y, RTLIL::SigSpec(0, sig_y.__width)));
- if (cell->type == "$reduce_xnor") module->connections.push_back(RTLIL::SigSig(sig_y, RTLIL::SigSpec(1, sig_y.__width)));
- if (cell->type == "$reduce_bool") module->connections.push_back(RTLIL::SigSig(sig_y, RTLIL::SigSpec(0, sig_y.__width)));
+
+ if (sig_a.size() == 0) {
+ if (cell->type == ID($reduce_and)) module->connect(RTLIL::SigSig(sig_y, RTLIL::SigSpec(1, sig_y.size())));
+ if (cell->type == ID($reduce_or)) module->connect(RTLIL::SigSig(sig_y, RTLIL::SigSpec(0, sig_y.size())));
+ if (cell->type == ID($reduce_xor)) module->connect(RTLIL::SigSig(sig_y, RTLIL::SigSpec(0, sig_y.size())));
+ if (cell->type == ID($reduce_xnor)) module->connect(RTLIL::SigSig(sig_y, RTLIL::SigSpec(1, sig_y.size())));
+ if (cell->type == ID($reduce_bool)) module->connect(RTLIL::SigSig(sig_y, RTLIL::SigSpec(0, sig_y.size())));
return;
}
- if (sig_y.__width > 1) {
- module->connections.push_back(RTLIL::SigSig(sig_y.extract(1, sig_y.__width-1), RTLIL::SigSpec(0, sig_y.__width-1)));
+ if (sig_y.size() > 1) {
+ module->connect(RTLIL::SigSig(sig_y.extract(1, sig_y.size()-1), RTLIL::SigSpec(0, sig_y.size()-1)));
sig_y = sig_y.extract(0, 1);
}
- std::string gate_type;
- if (cell->type == "$reduce_and") gate_type = "$_AND_";
- if (cell->type == "$reduce_or") gate_type = "$_OR_";
- if (cell->type == "$reduce_xor") gate_type = "$_XOR_";
- if (cell->type == "$reduce_xnor") gate_type = "$_XOR_";
- if (cell->type == "$reduce_bool") gate_type = "$_OR_";
+ IdString gate_type;
+ if (cell->type == ID($reduce_and)) gate_type = ID($_AND_);
+ if (cell->type == ID($reduce_or)) gate_type = ID($_OR_);
+ if (cell->type == ID($reduce_xor)) gate_type = ID($_XOR_);
+ if (cell->type == ID($reduce_xnor)) gate_type = ID($_XOR_);
+ if (cell->type == ID($reduce_bool)) gate_type = ID($_OR_);
log_assert(!gate_type.empty());
- RTLIL::SigSpec *last_output = NULL;
+ RTLIL::Cell *last_output_cell = NULL;
- while (sig_a.__width > 1)
+ while (sig_a.size() > 1)
{
- RTLIL::SigSpec sig_t = module->addWire(NEW_ID, sig_a.__width / 2);
- sig_t.expand();
+ RTLIL::SigSpec sig_t = module->addWire(NEW_ID, sig_a.size() / 2);
- for (int i = 0; i < sig_a.__width; i += 2)
+ for (int i = 0; i < sig_a.size(); i += 2)
{
- if (i+1 == sig_a.__width) {
- sig_t.append(sig_a.__chunks.at(i));
+ if (i+1 == sig_a.size()) {
+ sig_t.append(sig_a[i]);
continue;
}
- RTLIL::Cell *gate = new RTLIL::Cell;
- gate->name = NEW_ID;
- gate->type = gate_type;
- gate->connections["\\A"] = sig_a.__chunks.at(i);
- gate->connections["\\B"] = sig_a.__chunks.at(i+1);
- gate->connections["\\Y"] = sig_t.__chunks.at(i/2);
- last_output = &gate->connections["\\Y"];
- module->add(gate);
+ RTLIL::Cell *gate = module->addCell(NEW_ID, gate_type);
+ gate->add_strpool_attribute(ID(src), cell->get_strpool_attribute(ID(src)));
+ gate->setPort(ID::A, sig_a[i]);
+ gate->setPort(ID::B, sig_a[i+1]);
+ gate->setPort(ID::Y, sig_t[i/2]);
+ last_output_cell = gate;
}
sig_a = sig_t;
}
- if (cell->type == "$reduce_xnor") {
+ if (cell->type == ID($reduce_xnor)) {
RTLIL::SigSpec sig_t = module->addWire(NEW_ID);
- RTLIL::Cell *gate = new RTLIL::Cell;
- gate->name = NEW_ID;
- gate->type = "$_INV_";
- gate->connections["\\A"] = sig_a;
- gate->connections["\\Y"] = sig_t;
- last_output = &gate->connections["\\Y"];
- module->add(gate);
+ RTLIL::Cell *gate = module->addCell(NEW_ID, ID($_NOT_));
+ gate->add_strpool_attribute(ID(src), cell->get_strpool_attribute(ID(src)));
+ gate->setPort(ID::A, sig_a);
+ gate->setPort(ID::Y, sig_t);
+ last_output_cell = gate;
sig_a = sig_t;
}
- if (last_output == NULL) {
- module->connections.push_back(RTLIL::SigSig(sig_y, sig_a));
+ if (last_output_cell == NULL) {
+ module->connect(RTLIL::SigSig(sig_y, sig_a));
} else {
- *last_output = sig_y;
+ last_output_cell->setPort(ID::Y, sig_y);
}
}
-static void logic_reduce(RTLIL::Module *module, RTLIL::SigSpec &sig)
+static void logic_reduce(RTLIL::Module *module, RTLIL::SigSpec &sig, RTLIL::Cell *cell)
{
- sig.expand();
-
- while (sig.__width > 1)
+ while (sig.size() > 1)
{
- RTLIL::SigSpec sig_t = module->addWire(NEW_ID, sig.__width / 2);
- sig_t.expand();
+ RTLIL::SigSpec sig_t = module->addWire(NEW_ID, sig.size() / 2);
- for (int i = 0; i < sig.__width; i += 2)
+ for (int i = 0; i < sig.size(); i += 2)
{
- if (i+1 == sig.__width) {
- sig_t.append(sig.__chunks.at(i));
+ if (i+1 == sig.size()) {
+ sig_t.append(sig[i]);
continue;
}
- RTLIL::Cell *gate = new RTLIL::Cell;
- gate->name = NEW_ID;
- gate->type = "$_OR_";
- gate->connections["\\A"] = sig.__chunks.at(i);
- gate->connections["\\B"] = sig.__chunks.at(i+1);
- gate->connections["\\Y"] = sig_t.__chunks.at(i/2);
- module->add(gate);
+ RTLIL::Cell *gate = module->addCell(NEW_ID, ID($_OR_));
+ gate->add_strpool_attribute(ID(src), cell->get_strpool_attribute(ID(src)));
+ gate->setPort(ID::A, sig[i]);
+ gate->setPort(ID::B, sig[i+1]);
+ gate->setPort(ID::Y, sig_t[i/2]);
}
sig = sig_t;
}
- if (sig.__width == 0)
- sig = RTLIL::SigSpec(0, 1);
+ if (sig.size() == 0)
+ sig = State::S0;
}
-static void simplemap_lognot(RTLIL::Module *module, RTLIL::Cell *cell)
+void simplemap_lognot(RTLIL::Module *module, RTLIL::Cell *cell)
{
- RTLIL::SigSpec sig_a = cell->connections.at("\\A");
- logic_reduce(module, sig_a);
+ RTLIL::SigSpec sig_a = cell->getPort(ID::A);
+ logic_reduce(module, sig_a, cell);
- RTLIL::SigSpec sig_y = cell->connections.at("\\Y");
+ RTLIL::SigSpec sig_y = cell->getPort(ID::Y);
- if (sig_y.__width == 0)
+ if (sig_y.size() == 0)
return;
-
- if (sig_y.__width > 1) {
- module->connections.push_back(RTLIL::SigSig(sig_y.extract(1, sig_y.__width-1), RTLIL::SigSpec(0, sig_y.__width-1)));
+
+ if (sig_y.size() > 1) {
+ module->connect(RTLIL::SigSig(sig_y.extract(1, sig_y.size()-1), RTLIL::SigSpec(0, sig_y.size()-1)));
sig_y = sig_y.extract(0, 1);
}
- RTLIL::Cell *gate = new RTLIL::Cell;
- gate->name = NEW_ID;
- gate->type = "$_INV_";
- gate->connections["\\A"] = sig_a;
- gate->connections["\\Y"] = sig_y;
- module->add(gate);
+ RTLIL::Cell *gate = module->addCell(NEW_ID, ID($_NOT_));
+ gate->add_strpool_attribute(ID(src), cell->get_strpool_attribute(ID(src)));
+ gate->setPort(ID::A, sig_a);
+ gate->setPort(ID::Y, sig_y);
}
-static void simplemap_logbin(RTLIL::Module *module, RTLIL::Cell *cell)
+void simplemap_logbin(RTLIL::Module *module, RTLIL::Cell *cell)
{
- RTLIL::SigSpec sig_a = cell->connections.at("\\A");
- logic_reduce(module, sig_a);
+ RTLIL::SigSpec sig_a = cell->getPort(ID::A);
+ logic_reduce(module, sig_a, cell);
- RTLIL::SigSpec sig_b = cell->connections.at("\\B");
- logic_reduce(module, sig_b);
+ RTLIL::SigSpec sig_b = cell->getPort(ID::B);
+ logic_reduce(module, sig_b, cell);
- RTLIL::SigSpec sig_y = cell->connections.at("\\Y");
+ RTLIL::SigSpec sig_y = cell->getPort(ID::Y);
- if (sig_y.__width == 0)
+ if (sig_y.size() == 0)
return;
-
- if (sig_y.__width > 1) {
- module->connections.push_back(RTLIL::SigSig(sig_y.extract(1, sig_y.__width-1), RTLIL::SigSpec(0, sig_y.__width-1)));
+
+ if (sig_y.size() > 1) {
+ module->connect(RTLIL::SigSig(sig_y.extract(1, sig_y.size()-1), RTLIL::SigSpec(0, sig_y.size()-1)));
sig_y = sig_y.extract(0, 1);
}
- std::string gate_type;
- if (cell->type == "$logic_and") gate_type = "$_AND_";
- if (cell->type == "$logic_or") gate_type = "$_OR_";
+ IdString gate_type;
+ if (cell->type == ID($logic_and)) gate_type = ID($_AND_);
+ if (cell->type == ID($logic_or)) gate_type = ID($_OR_);
log_assert(!gate_type.empty());
- RTLIL::Cell *gate = new RTLIL::Cell;
- gate->name = NEW_ID;
- gate->type = gate_type;
- gate->connections["\\A"] = sig_a;
- gate->connections["\\B"] = sig_b;
- gate->connections["\\Y"] = sig_y;
- module->add(gate);
+ RTLIL::Cell *gate = module->addCell(NEW_ID, gate_type);
+ gate->add_strpool_attribute(ID(src), cell->get_strpool_attribute(ID(src)));
+ gate->setPort(ID::A, sig_a);
+ gate->setPort(ID::B, sig_b);
+ gate->setPort(ID::Y, sig_y);
}
-static void simplemap_mux(RTLIL::Module *module, RTLIL::Cell *cell)
+void simplemap_eqne(RTLIL::Module *module, RTLIL::Cell *cell)
{
- int width = cell->parameters.at("\\WIDTH").as_int();
-
- RTLIL::SigSpec sig_a = cell->connections.at("\\A");
- sig_a.expand();
-
- RTLIL::SigSpec sig_b = cell->connections.at("\\B");
- sig_b.expand();
+ RTLIL::SigSpec sig_a = cell->getPort(ID::A);
+ RTLIL::SigSpec sig_b = cell->getPort(ID::B);
+ RTLIL::SigSpec sig_y = cell->getPort(ID::Y);
+ bool is_signed = cell->parameters.at(ID(A_SIGNED)).as_bool();
+ bool is_ne = cell->type.in(ID($ne), ID($nex));
+
+ RTLIL::SigSpec xor_out = module->addWire(NEW_ID, max(GetSize(sig_a), GetSize(sig_b)));
+ RTLIL::Cell *xor_cell = module->addXor(NEW_ID, sig_a, sig_b, xor_out, is_signed);
+ xor_cell->add_strpool_attribute(ID(src), cell->get_strpool_attribute(ID(src)));
+ simplemap_bitop(module, xor_cell);
+ module->remove(xor_cell);
+
+ RTLIL::SigSpec reduce_out = is_ne ? sig_y : module->addWire(NEW_ID);
+ RTLIL::Cell *reduce_cell = module->addReduceOr(NEW_ID, xor_out, reduce_out);
+ reduce_cell->add_strpool_attribute(ID(src), cell->get_strpool_attribute(ID(src)));
+ simplemap_reduce(module, reduce_cell);
+ module->remove(reduce_cell);
+
+ if (!is_ne) {
+ RTLIL::Cell *not_cell = module->addLogicNot(NEW_ID, reduce_out, sig_y);
+ not_cell->add_strpool_attribute(ID(src), cell->get_strpool_attribute(ID(src)));
+ simplemap_lognot(module, not_cell);
+ module->remove(not_cell);
+ }
+}
- RTLIL::SigSpec sig_y = cell->connections.at("\\Y");
- sig_y.expand();
+void simplemap_mux(RTLIL::Module *module, RTLIL::Cell *cell)
+{
+ RTLIL::SigSpec sig_a = cell->getPort(ID::A);
+ RTLIL::SigSpec sig_b = cell->getPort(ID::B);
+ RTLIL::SigSpec sig_y = cell->getPort(ID::Y);
+
+ for (int i = 0; i < GetSize(sig_y); i++) {
+ RTLIL::Cell *gate = module->addCell(NEW_ID, ID($_MUX_));
+ gate->add_strpool_attribute(ID(src), cell->get_strpool_attribute(ID(src)));
+ gate->setPort(ID::A, sig_a[i]);
+ gate->setPort(ID::B, sig_b[i]);
+ gate->setPort(ID(S), cell->getPort(ID(S)));
+ gate->setPort(ID::Y, sig_y[i]);
+ }
+}
- for (int i = 0; i < width; i++) {
- RTLIL::Cell *gate = new RTLIL::Cell;
- gate->name = NEW_ID;
- gate->type = "$_MUX_";
- gate->connections["\\A"] = sig_a.__chunks.at(i);
- gate->connections["\\B"] = sig_b.__chunks.at(i);
- gate->connections["\\S"] = cell->connections.at("\\S");
- gate->connections["\\Y"] = sig_y.__chunks.at(i);
- module->add(gate);
+void simplemap_tribuf(RTLIL::Module *module, RTLIL::Cell *cell)
+{
+ RTLIL::SigSpec sig_a = cell->getPort(ID::A);
+ RTLIL::SigSpec sig_e = cell->getPort(ID(EN));
+ RTLIL::SigSpec sig_y = cell->getPort(ID::Y);
+
+ for (int i = 0; i < GetSize(sig_y); i++) {
+ RTLIL::Cell *gate = module->addCell(NEW_ID, ID($_TBUF_));
+ gate->add_strpool_attribute(ID(src), cell->get_strpool_attribute(ID(src)));
+ gate->setPort(ID::A, sig_a[i]);
+ gate->setPort(ID(E), sig_e);
+ gate->setPort(ID::Y, sig_y[i]);
}
}
-static void simplemap_slice(RTLIL::Module *module, RTLIL::Cell *cell)
+void simplemap_lut(RTLIL::Module *module, RTLIL::Cell *cell)
{
- int offset = cell->parameters.at("\\OFFSET").as_int();
- RTLIL::SigSpec sig_a = cell->connections.at("\\A");
- RTLIL::SigSpec sig_y = cell->connections.at("\\Y");
- module->connections.push_back(RTLIL::SigSig(sig_y, sig_a.extract(offset, sig_y.__width)));
+ SigSpec lut_ctrl = cell->getPort(ID::A);
+ SigSpec lut_data = cell->getParam(ID(LUT));
+ lut_data.extend_u0(1 << cell->getParam(ID(WIDTH)).as_int());
+
+ for (int idx = 0; GetSize(lut_data) > 1; idx++) {
+ SigSpec sig_s = lut_ctrl[idx];
+ SigSpec new_lut_data = module->addWire(NEW_ID, GetSize(lut_data)/2);
+ for (int i = 0; i < GetSize(lut_data); i += 2) {
+ RTLIL::Cell *gate = module->addCell(NEW_ID, ID($_MUX_));
+ gate->add_strpool_attribute(ID(src), cell->get_strpool_attribute(ID(src)));
+ gate->setPort(ID::A, lut_data[i]);
+ gate->setPort(ID::B, lut_data[i+1]);
+ gate->setPort(ID(S), lut_ctrl[idx]);
+ gate->setPort(ID::Y, new_lut_data[i/2]);
+ }
+ lut_data = new_lut_data;
+ }
+
+ module->connect(cell->getPort(ID::Y), lut_data);
}
-static void simplemap_concat(RTLIL::Module *module, RTLIL::Cell *cell)
+void simplemap_sop(RTLIL::Module *module, RTLIL::Cell *cell)
{
- RTLIL::SigSpec sig_ab = cell->connections.at("\\A");
- sig_ab.append(cell->connections.at("\\B"));
- RTLIL::SigSpec sig_y = cell->connections.at("\\Y");
- module->connections.push_back(RTLIL::SigSig(sig_y, sig_ab));
+ SigSpec ctrl = cell->getPort(ID::A);
+ SigSpec table = cell->getParam(ID(TABLE));
+
+ int width = cell->getParam(ID(WIDTH)).as_int();
+ int depth = cell->getParam(ID(DEPTH)).as_int();
+ table.extend_u0(2 * width * depth);
+
+ SigSpec products;
+
+ for (int i = 0; i < depth; i++) {
+ SigSpec in, pat;
+ for (int j = 0; j < width; j++) {
+ if (table[2*i*width + 2*j + 0] == State::S1) {
+ in.append(ctrl[j]);
+ pat.append(State::S0);
+ }
+ if (table[2*i*width + 2*j + 1] == State::S1) {
+ in.append(ctrl[j]);
+ pat.append(State::S1);
+ }
+ }
+
+ products.append(GetSize(in) > 0 ? module->Eq(NEW_ID, in, pat) : State::S1);
+ }
+
+ module->connect(cell->getPort(ID::Y), module->ReduceOr(NEW_ID, products));
}
-static void simplemap_sr(RTLIL::Module *module, RTLIL::Cell *cell)
+void simplemap_slice(RTLIL::Module *module, RTLIL::Cell *cell)
{
- int width = cell->parameters.at("\\WIDTH").as_int();
- char set_pol = cell->parameters.at("\\SET_POLARITY").as_bool() ? 'P' : 'N';
- char clr_pol = cell->parameters.at("\\CLR_POLARITY").as_bool() ? 'P' : 'N';
+ int offset = cell->parameters.at(ID(OFFSET)).as_int();
+ RTLIL::SigSpec sig_a = cell->getPort(ID::A);
+ RTLIL::SigSpec sig_y = cell->getPort(ID::Y);
+ module->connect(RTLIL::SigSig(sig_y, sig_a.extract(offset, sig_y.size())));
+}
- RTLIL::SigSpec sig_s = cell->connections.at("\\SET");
- sig_s.expand();
+void simplemap_concat(RTLIL::Module *module, RTLIL::Cell *cell)
+{
+ RTLIL::SigSpec sig_ab = cell->getPort(ID::A);
+ sig_ab.append(cell->getPort(ID::B));
+ RTLIL::SigSpec sig_y = cell->getPort(ID::Y);
+ module->connect(RTLIL::SigSig(sig_y, sig_ab));
+}
- RTLIL::SigSpec sig_r = cell->connections.at("\\CLR");
- sig_r.expand();
+void simplemap_sr(RTLIL::Module *module, RTLIL::Cell *cell)
+{
+ int width = cell->parameters.at(ID(WIDTH)).as_int();
+ char set_pol = cell->parameters.at(ID(SET_POLARITY)).as_bool() ? 'P' : 'N';
+ char clr_pol = cell->parameters.at(ID(CLR_POLARITY)).as_bool() ? 'P' : 'N';
- RTLIL::SigSpec sig_q = cell->connections.at("\\Q");
- sig_q.expand();
+ RTLIL::SigSpec sig_s = cell->getPort(ID(SET));
+ RTLIL::SigSpec sig_r = cell->getPort(ID(CLR));
+ RTLIL::SigSpec sig_q = cell->getPort(ID(Q));
std::string gate_type = stringf("$_SR_%c%c_", set_pol, clr_pol);
for (int i = 0; i < width; i++) {
- RTLIL::Cell *gate = new RTLIL::Cell;
- gate->name = NEW_ID;
- gate->type = gate_type;
- gate->connections["\\S"] = sig_s.__chunks.at(i);
- gate->connections["\\R"] = sig_r.__chunks.at(i);
- gate->connections["\\Q"] = sig_q.__chunks.at(i);
- module->add(gate);
+ RTLIL::Cell *gate = module->addCell(NEW_ID, gate_type);
+ gate->add_strpool_attribute(ID(src), cell->get_strpool_attribute(ID(src)));
+ gate->setPort(ID(S), sig_s[i]);
+ gate->setPort(ID(R), sig_r[i]);
+ gate->setPort(ID(Q), sig_q[i]);
}
}
-static void simplemap_dff(RTLIL::Module *module, RTLIL::Cell *cell)
+void simplemap_ff(RTLIL::Module *module, RTLIL::Cell *cell)
{
- int width = cell->parameters.at("\\WIDTH").as_int();
- char clk_pol = cell->parameters.at("\\CLK_POLARITY").as_bool() ? 'P' : 'N';
+ int width = cell->parameters.at(ID(WIDTH)).as_int();
+
+ RTLIL::SigSpec sig_d = cell->getPort(ID(D));
+ RTLIL::SigSpec sig_q = cell->getPort(ID(Q));
- RTLIL::SigSpec sig_clk = cell->connections.at("\\CLK");
+ IdString gate_type = ID($_FF_);
+
+ for (int i = 0; i < width; i++) {
+ RTLIL::Cell *gate = module->addCell(NEW_ID, gate_type);
+ gate->add_strpool_attribute(ID(src), cell->get_strpool_attribute(ID(src)));
+ gate->setPort(ID(D), sig_d[i]);
+ gate->setPort(ID(Q), sig_q[i]);
+ }
+}
- RTLIL::SigSpec sig_d = cell->connections.at("\\D");
- sig_d.expand();
+void simplemap_dff(RTLIL::Module *module, RTLIL::Cell *cell)
+{
+ int width = cell->parameters.at(ID(WIDTH)).as_int();
+ char clk_pol = cell->parameters.at(ID(CLK_POLARITY)).as_bool() ? 'P' : 'N';
- RTLIL::SigSpec sig_q = cell->connections.at("\\Q");
- sig_q.expand();
+ RTLIL::SigSpec sig_clk = cell->getPort(ID(CLK));
+ RTLIL::SigSpec sig_d = cell->getPort(ID(D));
+ RTLIL::SigSpec sig_q = cell->getPort(ID(Q));
- std::string gate_type = stringf("$_DFF_%c_", clk_pol);
+ IdString gate_type = stringf("$_DFF_%c_", clk_pol);
for (int i = 0; i < width; i++) {
- RTLIL::Cell *gate = new RTLIL::Cell;
- gate->name = NEW_ID;
- gate->type = gate_type;
- gate->connections["\\C"] = sig_clk;
- gate->connections["\\D"] = sig_d.__chunks.at(i);
- gate->connections["\\Q"] = sig_q.__chunks.at(i);
- module->add(gate);
+ RTLIL::Cell *gate = module->addCell(NEW_ID, gate_type);
+ gate->add_strpool_attribute(ID(src), cell->get_strpool_attribute(ID(src)));
+ gate->setPort(ID(C), sig_clk);
+ gate->setPort(ID(D), sig_d[i]);
+ gate->setPort(ID(Q), sig_q[i]);
}
}
-static void simplemap_dffsr(RTLIL::Module *module, RTLIL::Cell *cell)
+void simplemap_dffe(RTLIL::Module *module, RTLIL::Cell *cell)
{
- int width = cell->parameters.at("\\WIDTH").as_int();
- char clk_pol = cell->parameters.at("\\CLK_POLARITY").as_bool() ? 'P' : 'N';
- char set_pol = cell->parameters.at("\\SET_POLARITY").as_bool() ? 'P' : 'N';
- char clr_pol = cell->parameters.at("\\CLR_POLARITY").as_bool() ? 'P' : 'N';
+ int width = cell->parameters.at(ID(WIDTH)).as_int();
+ char clk_pol = cell->parameters.at(ID(CLK_POLARITY)).as_bool() ? 'P' : 'N';
+ char en_pol = cell->parameters.at(ID(EN_POLARITY)).as_bool() ? 'P' : 'N';
- RTLIL::SigSpec sig_clk = cell->connections.at("\\CLK");
+ RTLIL::SigSpec sig_clk = cell->getPort(ID(CLK));
+ RTLIL::SigSpec sig_en = cell->getPort(ID(EN));
+ RTLIL::SigSpec sig_d = cell->getPort(ID(D));
+ RTLIL::SigSpec sig_q = cell->getPort(ID(Q));
- RTLIL::SigSpec sig_s = cell->connections.at("\\SET");
- sig_s.expand();
+ IdString gate_type = stringf("$_DFFE_%c%c_", clk_pol, en_pol);
- RTLIL::SigSpec sig_r = cell->connections.at("\\CLR");
- sig_r.expand();
+ for (int i = 0; i < width; i++) {
+ RTLIL::Cell *gate = module->addCell(NEW_ID, gate_type);
+ gate->add_strpool_attribute(ID(src), cell->get_strpool_attribute(ID(src)));
+ gate->setPort(ID(C), sig_clk);
+ gate->setPort(ID(E), sig_en);
+ gate->setPort(ID(D), sig_d[i]);
+ gate->setPort(ID(Q), sig_q[i]);
+ }
+}
- RTLIL::SigSpec sig_d = cell->connections.at("\\D");
- sig_d.expand();
+void simplemap_dffsr(RTLIL::Module *module, RTLIL::Cell *cell)
+{
+ int width = cell->parameters.at(ID(WIDTH)).as_int();
+ char clk_pol = cell->parameters.at(ID(CLK_POLARITY)).as_bool() ? 'P' : 'N';
+ char set_pol = cell->parameters.at(ID(SET_POLARITY)).as_bool() ? 'P' : 'N';
+ char clr_pol = cell->parameters.at(ID(CLR_POLARITY)).as_bool() ? 'P' : 'N';
- RTLIL::SigSpec sig_q = cell->connections.at("\\Q");
- sig_q.expand();
+ RTLIL::SigSpec sig_clk = cell->getPort(ID(CLK));
+ RTLIL::SigSpec sig_s = cell->getPort(ID(SET));
+ RTLIL::SigSpec sig_r = cell->getPort(ID(CLR));
+ RTLIL::SigSpec sig_d = cell->getPort(ID(D));
+ RTLIL::SigSpec sig_q = cell->getPort(ID(Q));
- std::string gate_type = stringf("$_DFFSR_%c%c%c_", clk_pol, set_pol, clr_pol);
+ IdString gate_type = stringf("$_DFFSR_%c%c%c_", clk_pol, set_pol, clr_pol);
for (int i = 0; i < width; i++) {
- RTLIL::Cell *gate = new RTLIL::Cell;
- gate->name = NEW_ID;
- gate->type = gate_type;
- gate->connections["\\C"] = sig_clk;
- gate->connections["\\S"] = sig_s.__chunks.at(i);
- gate->connections["\\R"] = sig_r.__chunks.at(i);
- gate->connections["\\D"] = sig_d.__chunks.at(i);
- gate->connections["\\Q"] = sig_q.__chunks.at(i);
- module->add(gate);
+ RTLIL::Cell *gate = module->addCell(NEW_ID, gate_type);
+ gate->add_strpool_attribute(ID(src), cell->get_strpool_attribute(ID(src)));
+ gate->setPort(ID(C), sig_clk);
+ gate->setPort(ID(S), sig_s[i]);
+ gate->setPort(ID(R), sig_r[i]);
+ gate->setPort(ID(D), sig_d[i]);
+ gate->setPort(ID(Q), sig_q[i]);
}
}
-static void simplemap_adff(RTLIL::Module *module, RTLIL::Cell *cell)
+void simplemap_adff(RTLIL::Module *module, RTLIL::Cell *cell)
{
- int width = cell->parameters.at("\\WIDTH").as_int();
- char clk_pol = cell->parameters.at("\\CLK_POLARITY").as_bool() ? 'P' : 'N';
- char rst_pol = cell->parameters.at("\\ARST_POLARITY").as_bool() ? 'P' : 'N';
+ int width = cell->parameters.at(ID(WIDTH)).as_int();
+ char clk_pol = cell->parameters.at(ID(CLK_POLARITY)).as_bool() ? 'P' : 'N';
+ char rst_pol = cell->parameters.at(ID(ARST_POLARITY)).as_bool() ? 'P' : 'N';
- std::vector<RTLIL::State> rst_val = cell->parameters.at("\\ARST_VALUE").bits;
+ std::vector<RTLIL::State> rst_val = cell->parameters.at(ID(ARST_VALUE)).bits;
while (int(rst_val.size()) < width)
rst_val.push_back(RTLIL::State::S0);
- RTLIL::SigSpec sig_clk = cell->connections.at("\\CLK");
- RTLIL::SigSpec sig_rst = cell->connections.at("\\ARST");
-
- RTLIL::SigSpec sig_d = cell->connections.at("\\D");
- sig_d.expand();
-
- RTLIL::SigSpec sig_q = cell->connections.at("\\Q");
- sig_q.expand();
+ RTLIL::SigSpec sig_clk = cell->getPort(ID(CLK));
+ RTLIL::SigSpec sig_rst = cell->getPort(ID(ARST));
+ RTLIL::SigSpec sig_d = cell->getPort(ID(D));
+ RTLIL::SigSpec sig_q = cell->getPort(ID(Q));
- std::string gate_type_0 = stringf("$_DFF_%c%c0_", clk_pol, rst_pol);
- std::string gate_type_1 = stringf("$_DFF_%c%c1_", clk_pol, rst_pol);
+ IdString gate_type_0 = stringf("$_DFF_%c%c0_", clk_pol, rst_pol);
+ IdString gate_type_1 = stringf("$_DFF_%c%c1_", clk_pol, rst_pol);
for (int i = 0; i < width; i++) {
- RTLIL::Cell *gate = new RTLIL::Cell;
- gate->name = NEW_ID;
- gate->type = rst_val.at(i) == RTLIL::State::S1 ? gate_type_1 : gate_type_0;
- gate->connections["\\C"] = sig_clk;
- gate->connections["\\R"] = sig_rst;
- gate->connections["\\D"] = sig_d.__chunks.at(i);
- gate->connections["\\Q"] = sig_q.__chunks.at(i);
- module->add(gate);
+ RTLIL::Cell *gate = module->addCell(NEW_ID, rst_val.at(i) == RTLIL::State::S1 ? gate_type_1 : gate_type_0);
+ gate->add_strpool_attribute(ID(src), cell->get_strpool_attribute(ID(src)));
+ gate->setPort(ID(C), sig_clk);
+ gate->setPort(ID(R), sig_rst);
+ gate->setPort(ID(D), sig_d[i]);
+ gate->setPort(ID(Q), sig_q[i]);
}
}
-static void simplemap_dlatch(RTLIL::Module *module, RTLIL::Cell *cell)
+void simplemap_dlatch(RTLIL::Module *module, RTLIL::Cell *cell)
{
- int width = cell->parameters.at("\\WIDTH").as_int();
- char en_pol = cell->parameters.at("\\EN_POLARITY").as_bool() ? 'P' : 'N';
+ int width = cell->parameters.at(ID(WIDTH)).as_int();
+ char en_pol = cell->parameters.at(ID(EN_POLARITY)).as_bool() ? 'P' : 'N';
- RTLIL::SigSpec sig_en = cell->connections.at("\\EN");
+ RTLIL::SigSpec sig_en = cell->getPort(ID(EN));
+ RTLIL::SigSpec sig_d = cell->getPort(ID(D));
+ RTLIL::SigSpec sig_q = cell->getPort(ID(Q));
- RTLIL::SigSpec sig_d = cell->connections.at("\\D");
- sig_d.expand();
-
- RTLIL::SigSpec sig_q = cell->connections.at("\\Q");
- sig_q.expand();
-
- std::string gate_type = stringf("$_DLATCH_%c_", en_pol);
+ IdString gate_type = stringf("$_DLATCH_%c_", en_pol);
for (int i = 0; i < width; i++) {
- RTLIL::Cell *gate = new RTLIL::Cell;
- gate->name = NEW_ID;
- gate->type = gate_type;
- gate->connections["\\E"] = sig_en;
- gate->connections["\\D"] = sig_d.__chunks.at(i);
- gate->connections["\\Q"] = sig_q.__chunks.at(i);
- module->add(gate);
+ RTLIL::Cell *gate = module->addCell(NEW_ID, gate_type);
+ gate->add_strpool_attribute(ID(src), cell->get_strpool_attribute(ID(src)));
+ gate->setPort(ID(E), sig_en);
+ gate->setPort(ID(D), sig_d[i]);
+ gate->setPort(ID(Q), sig_q[i]);
}
}
-void simplemap_get_mappers(std::map<std::string, void(*)(RTLIL::Module*, RTLIL::Cell*)> &mappers)
+void simplemap_get_mappers(std::map<RTLIL::IdString, void(*)(RTLIL::Module*, RTLIL::Cell*)> &mappers)
{
- mappers["$not"] = simplemap_not;
- mappers["$pos"] = simplemap_pos;
- mappers["$bu0"] = simplemap_bu0;
- mappers["$and"] = simplemap_bitop;
- mappers["$or"] = simplemap_bitop;
- mappers["$xor"] = simplemap_bitop;
- mappers["$xnor"] = simplemap_bitop;
- mappers["$reduce_and"] = simplemap_reduce;
- mappers["$reduce_or"] = simplemap_reduce;
- mappers["$reduce_xor"] = simplemap_reduce;
- mappers["$reduce_xnor"] = simplemap_reduce;
- mappers["$reduce_bool"] = simplemap_reduce;
- mappers["$logic_not"] = simplemap_lognot;
- mappers["$logic_and"] = simplemap_logbin;
- mappers["$logic_or"] = simplemap_logbin;
- mappers["$mux"] = simplemap_mux;
- mappers["$slice"] = simplemap_slice;
- mappers["$concat"] = simplemap_concat;
- mappers["$sr"] = simplemap_sr;
- mappers["$dff"] = simplemap_dff;
- mappers["$dffsr"] = simplemap_dffsr;
- mappers["$adff"] = simplemap_adff;
- mappers["$dlatch"] = simplemap_dlatch;
+ mappers[ID($not)] = simplemap_not;
+ mappers[ID($pos)] = simplemap_pos;
+ mappers[ID($and)] = simplemap_bitop;
+ mappers[ID($or)] = simplemap_bitop;
+ mappers[ID($xor)] = simplemap_bitop;
+ mappers[ID($xnor)] = simplemap_bitop;
+ mappers[ID($reduce_and)] = simplemap_reduce;
+ mappers[ID($reduce_or)] = simplemap_reduce;
+ mappers[ID($reduce_xor)] = simplemap_reduce;
+ mappers[ID($reduce_xnor)] = simplemap_reduce;
+ mappers[ID($reduce_bool)] = simplemap_reduce;
+ mappers[ID($logic_not)] = simplemap_lognot;
+ mappers[ID($logic_and)] = simplemap_logbin;
+ mappers[ID($logic_or)] = simplemap_logbin;
+ mappers[ID($eq)] = simplemap_eqne;
+ mappers[ID($eqx)] = simplemap_eqne;
+ mappers[ID($ne)] = simplemap_eqne;
+ mappers[ID($nex)] = simplemap_eqne;
+ mappers[ID($mux)] = simplemap_mux;
+ mappers[ID($tribuf)] = simplemap_tribuf;
+ mappers[ID($lut)] = simplemap_lut;
+ mappers[ID($sop)] = simplemap_sop;
+ mappers[ID($slice)] = simplemap_slice;
+ mappers[ID($concat)] = simplemap_concat;
+ mappers[ID($sr)] = simplemap_sr;
+ mappers[ID($ff)] = simplemap_ff;
+ mappers[ID($dff)] = simplemap_dff;
+ mappers[ID($dffe)] = simplemap_dffe;
+ mappers[ID($dffsr)] = simplemap_dffsr;
+ mappers[ID($adff)] = simplemap_adff;
+ mappers[ID($dlatch)] = simplemap_dlatch;
}
+void simplemap(RTLIL::Module *module, RTLIL::Cell *cell)
+{
+ static std::map<RTLIL::IdString, void(*)(RTLIL::Module*, RTLIL::Cell*)> mappers;
+ static bool initialized_mappers = false;
+
+ if (!initialized_mappers) {
+ simplemap_get_mappers(mappers);
+ initialized_mappers = true;
+ }
+
+ mappers.at(cell->type)(module, cell);
+}
+
+YOSYS_NAMESPACE_END
+PRIVATE_NAMESPACE_BEGIN
+
struct SimplemapPass : public Pass {
SimplemapPass() : Pass("simplemap", "mapping simple coarse-grain cells") { }
- virtual void help()
+ void help() YS_OVERRIDE
{
// |---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|
log("\n");
log("This pass maps a small selection of simple coarse-grain cells to yosys gate\n");
log("primitives. The following internal cell types are mapped by this pass:\n");
log("\n");
- log(" $not, $pos, $bu0, $and, $or, $xor, $xnor\n");
+ log(" $not, $pos, $and, $or, $xor, $xnor\n");
log(" $reduce_and, $reduce_or, $reduce_xor, $reduce_xnor, $reduce_bool\n");
- log(" $logic_not, $logic_and, $logic_or, $mux\n");
- log(" $sr, $dff, $dffsr, $adff, $dlatch\n");
+ log(" $logic_not, $logic_and, $logic_or, $mux, $tribuf\n");
+ log(" $sr, $ff, $dff, $dffsr, $adff, $dlatch\n");
log("\n");
}
- virtual void execute(std::vector<std::string> args, RTLIL::Design *design)
+ void execute(std::vector<std::string> args, RTLIL::Design *design) YS_OVERRIDE
{
- log_header("Executing SIMPLEMAP pass (map simple cells to gate primitives).\n");
+ log_header(design, "Executing SIMPLEMAP pass (map simple cells to gate primitives).\n");
extra_args(args, 1, design);
- std::map<std::string, void(*)(RTLIL::Module*, RTLIL::Cell*)> mappers;
+ std::map<RTLIL::IdString, void(*)(RTLIL::Module*, RTLIL::Cell*)> mappers;
simplemap_get_mappers(mappers);
- for (auto &mod_it : design->modules) {
- if (!design->selected(mod_it.second))
+ for (auto mod : design->modules()) {
+ if (!design->selected(mod) || mod->get_blackbox_attribute())
continue;
- std::vector<RTLIL::Cell*> delete_cells;
- for (auto &cell_it : mod_it.second->cells) {
- if (mappers.count(cell_it.second->type) == 0)
+ std::vector<RTLIL::Cell*> cells = mod->cells();
+ for (auto cell : cells) {
+ if (mappers.count(cell->type) == 0)
continue;
- if (!design->selected(mod_it.second, cell_it.second))
+ if (!design->selected(mod, cell))
continue;
- log("Mapping %s.%s (%s).\n", RTLIL::id2cstr(mod_it.first), RTLIL::id2cstr(cell_it.first), RTLIL::id2cstr(cell_it.second->type));
- mappers.at(cell_it.second->type)(mod_it.second, cell_it.second);
- delete_cells.push_back(cell_it.second);
- }
- for (auto &it : delete_cells) {
- mod_it.second->cells.erase(it->name);
- delete it;
+ log("Mapping %s.%s (%s).\n", log_id(mod), log_id(cell), log_id(cell->type));
+ mappers.at(cell->type)(mod, cell);
+ mod->remove(cell);
}
}
}
} SimplemapPass;
-
+
+PRIVATE_NAMESPACE_END
projects / yosys.git / blobdiff