122 lines
3.0 KiB
C++
122 lines
3.0 KiB
C++
/*
|
|
* nextpnr -- Next Generation Place and Route
|
|
*
|
|
* Copyright (C) 2018 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
|
|
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
|
|
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
|
|
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
|
|
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
|
|
*
|
|
*/
|
|
|
|
#include "chip.h"
|
|
|
|
// -----------------------------------------------------------------------
|
|
|
|
IdString belTypeToId(BelType type)
|
|
{
|
|
if (type == TYPE_ICESTORM_LC) return "ICESTORM_LC";
|
|
return IdString();
|
|
}
|
|
|
|
BelType belTypeFromId(IdString id)
|
|
{
|
|
if (id == "ICESTORM_LC") return TYPE_ICESTORM_LC;
|
|
return TYPE_NIL;
|
|
}
|
|
|
|
// -----------------------------------------------------------------------
|
|
|
|
IdString PortPinToId(PortPin type)
|
|
{
|
|
if (type == PIN_IN_0) return "IN_0";
|
|
if (type == PIN_IN_1) return "IN_1";
|
|
if (type == PIN_IN_2) return "IN_2";
|
|
if (type == PIN_IN_3) return "IN_3";
|
|
if (type == PIN_O ) return "O";
|
|
if (type == PIN_LO ) return "LO";
|
|
if (type == PIN_CIN ) return "CIN";
|
|
if (type == PIN_COUT) return "COUT";
|
|
if (type == PIN_CEN ) return "CEN";
|
|
if (type == PIN_CLK ) return "CLK";
|
|
if (type == PIN_SR ) return "SR";
|
|
return IdString();
|
|
}
|
|
|
|
PortPin PortPinFromId(IdString id)
|
|
{
|
|
if (id == "IN_0") return PIN_IN_0;
|
|
if (id == "IN_1") return PIN_IN_1;
|
|
if (id == "IN_2") return PIN_IN_2;
|
|
if (id == "IN_3") return PIN_IN_3;
|
|
if (id == "O" ) return PIN_O;
|
|
if (id == "LO" ) return PIN_LO;
|
|
if (id == "CIN" ) return PIN_CIN;
|
|
if (id == "COUT") return PIN_COUT;
|
|
if (id == "CEN" ) return PIN_CEN;
|
|
if (id == "CLK" ) return PIN_CLK;
|
|
if (id == "SR" ) return PIN_SR;
|
|
return PIN_NIL;
|
|
}
|
|
|
|
// -----------------------------------------------------------------------
|
|
|
|
Chip::Chip(ChipArgs args)
|
|
{
|
|
if (args.type == ChipArgs::LP384) {
|
|
num_bels = 0;
|
|
bel_data = nullptr;
|
|
num_wires = num_wires_384;
|
|
wire_data = wire_data_384;
|
|
return;
|
|
}
|
|
|
|
abort();
|
|
}
|
|
|
|
BelId Chip::getBelByName(IdString name) const
|
|
{
|
|
BelId ret;
|
|
|
|
if (bel_by_name.empty()) {
|
|
for (int i = 0; i < num_bels; i++)
|
|
bel_by_name[bel_data[i].name] = i;
|
|
}
|
|
|
|
auto it = bel_by_name.find(name);
|
|
if (it != bel_by_name.end())
|
|
ret.index = it->second;
|
|
|
|
return ret;
|
|
}
|
|
|
|
WireId Chip::getWireByName(IdString name) const
|
|
{
|
|
WireId ret;
|
|
|
|
if (wire_by_name.empty()) {
|
|
for (int i = 0; i < num_wires; i++)
|
|
wire_by_name[wire_data[i].name] = i;
|
|
}
|
|
|
|
auto it = wire_by_name.find(name);
|
|
if (it != wire_by_name.end())
|
|
ret.index = it->second;
|
|
|
|
return ret;
|
|
}
|
|
|
|
WireId Chip::getWireBelPin(BelId bel, PortPin pin) const
|
|
{
|
|
// FIXME
|
|
return WireId();
|
|
}
|