3
0
Fork 0
mirror of https://github.com/YosysHQ/yosys synced 2025-07-24 13:18:56 +00:00

Use only module->addCell() and module->remove() to create and delete cells

This commit is contained in:
Clifford Wolf 2014-07-25 15:05:18 +02:00
parent 5826670009
commit 2bec47a404
35 changed files with 259 additions and 582 deletions

View file

@ -57,8 +57,7 @@ static void handle_cell(RTLIL::Module *module, RTLIL::Cell *cell)
// delete unused memory cell
if (cell->parameters["\\RD_PORTS"].as_int() == 0 && cell->parameters["\\WR_PORTS"].as_int() == 0) {
module->cells.erase(cell->name);
delete cell;
module->remove(cell);
return;
}
@ -117,9 +116,7 @@ static void handle_cell(RTLIL::Module *module, RTLIL::Cell *cell)
}
else
{
RTLIL::Cell *c = new RTLIL::Cell;
c->name = genid(cell->name, "", i);
c->type = "$dff";
RTLIL::Cell *c = module->addCell(genid(cell->name, "", i), "$dff");
c->parameters["\\WIDTH"] = cell->parameters["\\WIDTH"];
if (clocks_pol.bits.size() > 0) {
c->parameters["\\CLK_POLARITY"] = RTLIL::Const(clocks_pol.bits[0]);
@ -128,7 +125,6 @@ static void handle_cell(RTLIL::Module *module, RTLIL::Cell *cell)
c->parameters["\\CLK_POLARITY"] = RTLIL::Const(RTLIL::State::S1);
c->connections["\\CLK"] = RTLIL::SigSpec(RTLIL::State::S0);
}
module->cells[c->name] = c;
RTLIL::Wire *w_in = new RTLIL::Wire;
w_in->name = genid(cell->name, "", i, "$d");
@ -164,14 +160,11 @@ static void handle_cell(RTLIL::Module *module, RTLIL::Cell *cell)
{
if (cell->parameters["\\RD_TRANSPARENT"].bits[i] == RTLIL::State::S1)
{
RTLIL::Cell *c = new RTLIL::Cell;
c->name = genid(cell->name, "$rdreg", i);
c->type = "$dff";
RTLIL::Cell *c = module->addCell(genid(cell->name, "$rdreg", i), "$dff");
c->parameters["\\WIDTH"] = RTLIL::Const(mem_abits);
c->parameters["\\CLK_POLARITY"] = RTLIL::Const(cell->parameters["\\RD_CLK_POLARITY"].bits[i]);
c->connections["\\CLK"] = cell->connections["\\RD_CLK"].extract(i, 1);
c->connections["\\D"] = rd_addr;
module->cells[c->name] = c;
count_dff++;
RTLIL::Wire *w = new RTLIL::Wire;
@ -184,14 +177,11 @@ static void handle_cell(RTLIL::Module *module, RTLIL::Cell *cell)
}
else
{
RTLIL::Cell *c = new RTLIL::Cell;
c->name = genid(cell->name, "$rdreg", i);
c->type = "$dff";
RTLIL::Cell *c = module->addCell(genid(cell->name, "$rdreg", i), "$dff");
c->parameters["\\WIDTH"] = cell->parameters["\\WIDTH"];
c->parameters["\\CLK_POLARITY"] = RTLIL::Const(cell->parameters["\\RD_CLK_POLARITY"].bits[i]);
c->connections["\\CLK"] = cell->connections["\\RD_CLK"].extract(i, 1);
c->connections["\\Q"] = rd_signals.back();
module->cells[c->name] = c;
count_dff++;
RTLIL::Wire *w = new RTLIL::Wire;
@ -211,13 +201,10 @@ static void handle_cell(RTLIL::Module *module, RTLIL::Cell *cell)
for (size_t k = 0; k < rd_signals.size(); k++)
{
RTLIL::Cell *c = new RTLIL::Cell;
c->name = genid(cell->name, "$rdmux", i, "", j, "", k);
c->type = "$mux";
RTLIL::Cell *c = module->addCell(genid(cell->name, "$rdmux", i, "", j, "", k), "$mux");
c->parameters["\\WIDTH"] = cell->parameters["\\WIDTH"];
c->connections["\\Y"] = rd_signals[k];
c->connections["\\S"] = rd_addr.extract(mem_abits-j-1, 1);
module->cells[c->name] = c;
count_mux++;
RTLIL::Wire *w = new RTLIL::Wire;
@ -258,9 +245,7 @@ static void handle_cell(RTLIL::Module *module, RTLIL::Cell *cell)
RTLIL::SigSpec wr_data = cell->connections["\\WR_DATA"].extract(j*mem_width, mem_width);
RTLIL::SigSpec wr_en = cell->connections["\\WR_EN"].extract(j*mem_width, mem_width);
RTLIL::Cell *c = new RTLIL::Cell;
c->name = genid(cell->name, "$wreq", i, "", j);
c->type = "$eq";
RTLIL::Cell *c = module->addCell(genid(cell->name, "$wreq", i, "", j), "$eq");
c->parameters["\\A_SIGNED"] = RTLIL::Const(0);
c->parameters["\\B_SIGNED"] = RTLIL::Const(0);
c->parameters["\\A_WIDTH"] = cell->parameters["\\ABITS"];
@ -268,7 +253,6 @@ static void handle_cell(RTLIL::Module *module, RTLIL::Cell *cell)
c->parameters["\\Y_WIDTH"] = RTLIL::Const(1);
c->connections["\\A"] = RTLIL::SigSpec(i, mem_abits);
c->connections["\\B"] = wr_addr;
module->cells[c->name] = c;
count_wrmux++;
RTLIL::Wire *w_seladdr = new RTLIL::Wire;
@ -293,9 +277,7 @@ static void handle_cell(RTLIL::Module *module, RTLIL::Cell *cell)
if (wr_bit != RTLIL::SigSpec(1, 1))
{
c = new RTLIL::Cell;
c->name = genid(cell->name, "$wren", i, "", j, "", wr_offset);
c->type = "$and";
c = module->addCell(genid(cell->name, "$wren", i, "", j, "", wr_offset), "$and");
c->parameters["\\A_SIGNED"] = RTLIL::Const(0);
c->parameters["\\B_SIGNED"] = RTLIL::Const(0);
c->parameters["\\A_WIDTH"] = RTLIL::Const(1);
@ -303,7 +285,6 @@ static void handle_cell(RTLIL::Module *module, RTLIL::Cell *cell)
c->parameters["\\Y_WIDTH"] = RTLIL::Const(1);
c->connections["\\A"] = w;
c->connections["\\B"] = wr_bit;
module->cells[c->name] = c;
w = new RTLIL::Wire;
w->name = genid(cell->name, "$wren", i, "", j, "", wr_offset, "$y");
@ -311,14 +292,11 @@ static void handle_cell(RTLIL::Module *module, RTLIL::Cell *cell)
c->connections["\\Y"] = RTLIL::SigSpec(w);
}
c = new RTLIL::Cell;
c->name = genid(cell->name, "$wrmux", i, "", j, "", wr_offset);
c->type = "$mux";
c = module->addCell(genid(cell->name, "$wrmux", i, "", j, "", wr_offset), "$mux");
c->parameters["\\WIDTH"] = wr_width;
c->connections["\\A"] = sig.extract(wr_offset, wr_width);
c->connections["\\B"] = wr_data.extract(wr_offset, wr_width);
c->connections["\\S"] = RTLIL::SigSpec(w);
module->cells[c->name] = c;
w = new RTLIL::Wire;
w->name = genid(cell->name, "$wrmux", i, "", j, "", wr_offset, "$y");
@ -336,9 +314,7 @@ static void handle_cell(RTLIL::Module *module, RTLIL::Cell *cell)
log(" write interface: %d blocks of $eq, $and and $mux cells.\n", count_wrmux);
module->cells.erase(cell->name);
delete cell;
return;
module->remove(cell);
}
static void handle_module(RTLIL::Design *design, RTLIL::Module *module)