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yosys/frontends/verific/verific.cc

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/*
* 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
* 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 "kernel/yosys.h"
#include "kernel/sigtools.h"
#include "kernel/log.h"
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#ifndef _WIN32
# include <unistd.h>
# include <dirent.h>
#endif
USING_YOSYS_NAMESPACE
#ifdef YOSYS_ENABLE_VERIFIC
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Woverloaded-virtual"
#include "veri_file.h"
#include "vhdl_file.h"
#include "VeriModule.h"
#include "VhdlUnits.h"
#include "DataBase.h"
#include "Message.h"
#pragma clang diagnostic pop
#ifdef VERIFIC_NAMESPACE
using namespace Verific ;
#endif
static void msg_func(msg_type_t msg_type, const char *message_id, linefile_type linefile, const char *msg, va_list args)
{
log("VERIFIC-%s [%s] ",
msg_type == VERIFIC_NONE ? "NONE" :
msg_type == VERIFIC_ERROR ? "ERROR" :
msg_type == VERIFIC_WARNING ? "WARNING" :
msg_type == VERIFIC_IGNORE ? "IGNORE" :
msg_type == VERIFIC_INFO ? "INFO" :
msg_type == VERIFIC_COMMENT ? "COMMENT" :
msg_type == VERIFIC_PROGRAM_ERROR ? "PROGRAM_ERROR" : "UNKNOWN", message_id);
if (linefile)
log("%s:%d: ", LineFile::GetFileName(linefile), LineFile::GetLineNo(linefile));
logv(msg, args);
log("\n");
}
static void import_attributes(dict<RTLIL::IdString, RTLIL::Const> &attributes, DesignObj *obj)
{
MapIter mi;
Att *attr;
if (obj->Linefile())
attributes["\\src"] = stringf("%s:%d", LineFile::GetFileName(obj->Linefile()), LineFile::GetLineNo(obj->Linefile()));
// FIXME: Parse numeric attributes
FOREACH_ATTRIBUTE(obj, mi, attr)
attributes[RTLIL::escape_id(attr->Key())] = RTLIL::Const(std::string(attr->Value()));
}
static RTLIL::SigSpec operatorInput(Instance *inst, std::map<Net*, RTLIL::SigBit> &net_map)
{
RTLIL::SigSpec sig;
for (int i = int(inst->InputSize())-1; i >= 0; i--)
if (inst->GetInputBit(i))
sig.append(net_map.at(inst->GetInputBit(i)));
else
sig.append(RTLIL::State::Sz);
return sig;
}
static RTLIL::SigSpec operatorInput1(Instance *inst, std::map<Net*, RTLIL::SigBit> &net_map)
{
RTLIL::SigSpec sig;
for (int i = int(inst->Input1Size())-1; i >= 0; i--)
if (inst->GetInput1Bit(i))
sig.append(net_map.at(inst->GetInput1Bit(i)));
else
sig.append(RTLIL::State::Sz);
return sig;
}
static RTLIL::SigSpec operatorInput2(Instance *inst, std::map<Net*, RTLIL::SigBit> &net_map)
{
RTLIL::SigSpec sig;
for (int i = int(inst->Input2Size())-1; i >= 0; i--)
if (inst->GetInput2Bit(i))
sig.append(net_map.at(inst->GetInput2Bit(i)));
else
sig.append(RTLIL::State::Sz);
return sig;
}
static RTLIL::SigSpec operatorInport(Instance *inst, const char *portname, std::map<Net*, RTLIL::SigBit> &net_map)
{
PortBus *portbus = inst->View()->GetPortBus(portname);
if (portbus) {
RTLIL::SigSpec sig;
for (unsigned i = 0; i < portbus->Size(); i++) {
Net *net = inst->GetNet(portbus->ElementAtIndex(i));
if (net) {
if (net->IsGnd())
sig.append(RTLIL::State::S0);
else if (net->IsPwr())
sig.append(RTLIL::State::S1);
else
sig.append(net_map.at(net));
} else
sig.append(RTLIL::State::Sz);
}
return sig;
} else {
Port *port = inst->View()->GetPort(portname);
log_assert(port != NULL);
Net *net = inst->GetNet(port);
return net_map.at(net);
}
}
static RTLIL::SigSpec operatorOutput(Instance *inst, std::map<Net*, RTLIL::SigBit> &net_map, RTLIL::Module *module)
{
RTLIL::SigSpec sig;
RTLIL::Wire *dummy_wire = NULL;
for (int i = int(inst->OutputSize())-1; i >= 0; i--)
if (inst->GetOutputBit(i)) {
sig.append(net_map.at(inst->GetOutputBit(i)));
dummy_wire = NULL;
} else {
if (dummy_wire == NULL)
dummy_wire = module->addWire(NEW_ID);
else
dummy_wire->width++;
sig.append(RTLIL::SigSpec(dummy_wire, dummy_wire->width - 1));
}
return sig;
}
static bool import_netlist_instance_gates(RTLIL::Module *module, std::map<Net*, RTLIL::SigBit> &net_map, Instance *inst)
{
if (inst->Type() == PRIM_AND) {
module->addAndGate(RTLIL::escape_id(inst->Name()), net_map.at(inst->GetInput1()), net_map.at(inst->GetInput2()), net_map.at(inst->GetOutput()));
return true;
}
if (inst->Type() == PRIM_NAND) {
RTLIL::SigSpec tmp = module->addWire(NEW_ID);
module->addAndGate(NEW_ID, net_map.at(inst->GetInput1()), net_map.at(inst->GetInput2()), tmp);
module->addNotGate(RTLIL::escape_id(inst->Name()), tmp, net_map.at(inst->GetOutput()));
return true;
}
if (inst->Type() == PRIM_OR) {
module->addOrGate(RTLIL::escape_id(inst->Name()), net_map.at(inst->GetInput1()), net_map.at(inst->GetInput2()), net_map.at(inst->GetOutput()));
return true;
}
if (inst->Type() == PRIM_NOR) {
RTLIL::SigSpec tmp = module->addWire(NEW_ID);
module->addOrGate(NEW_ID, net_map.at(inst->GetInput1()), net_map.at(inst->GetInput2()), tmp);
module->addNotGate(RTLIL::escape_id(inst->Name()), tmp, net_map.at(inst->GetOutput()));
return true;
}
if (inst->Type() == PRIM_XOR) {
module->addXorGate(RTLIL::escape_id(inst->Name()), net_map.at(inst->GetInput1()), net_map.at(inst->GetInput2()), net_map.at(inst->GetOutput()));
return true;
}
if (inst->Type() == PRIM_INV) {
module->addNotGate(RTLIL::escape_id(inst->Name()), net_map.at(inst->GetInput()), net_map.at(inst->GetOutput()));
return true;
}
if (inst->Type() == PRIM_MUX) {
module->addMuxGate(RTLIL::escape_id(inst->Name()), net_map.at(inst->GetInput1()), net_map.at(inst->GetInput2()), net_map.at(inst->GetControl()), net_map.at(inst->GetOutput()));
return true;
}
if (inst->Type() == PRIM_TRI) {
module->addMuxGate(RTLIL::escape_id(inst->Name()), RTLIL::State::Sz, net_map.at(inst->GetInput()), net_map.at(inst->GetControl()), net_map.at(inst->GetOutput()));
return true;
}
if (inst->Type() == PRIM_FADD)
{
RTLIL::SigSpec a = net_map.at(inst->GetInput1()), b = net_map.at(inst->GetInput2()), c = net_map.at(inst->GetCin());
RTLIL::SigSpec x = inst->GetCout() ? net_map.at(inst->GetCout()) : module->addWire(NEW_ID);
RTLIL::SigSpec y = inst->GetOutput() ? net_map.at(inst->GetOutput()) : module->addWire(NEW_ID);
RTLIL::SigSpec tmp1 = module->addWire(NEW_ID);
RTLIL::SigSpec tmp2 = module->addWire(NEW_ID);
RTLIL::SigSpec tmp3 = module->addWire(NEW_ID);
module->addXorGate(NEW_ID, a, b, tmp1);
module->addXorGate(RTLIL::escape_id(inst->Name()), tmp1, c, y);
module->addAndGate(NEW_ID, tmp1, c, tmp2);
module->addAndGate(NEW_ID, a, b, tmp3);
module->addOrGate(NEW_ID, tmp2, tmp3, x);
return true;
}
if (inst->Type() == PRIM_DFFRS)
{
if (inst->GetSet()->IsGnd() && inst->GetReset()->IsGnd())
module->addDffGate(RTLIL::escape_id(inst->Name()), net_map.at(inst->GetClock()), net_map.at(inst->GetInput()), net_map.at(inst->GetOutput()));
else if (inst->GetSet()->IsGnd())
module->addAdffGate(RTLIL::escape_id(inst->Name()), net_map.at(inst->GetClock()), net_map.at(inst->GetReset()),
net_map.at(inst->GetInput()), net_map.at(inst->GetOutput()), false);
else if (inst->GetReset()->IsGnd())
module->addAdffGate(RTLIL::escape_id(inst->Name()), net_map.at(inst->GetClock()), net_map.at(inst->GetSet()),
net_map.at(inst->GetInput()), net_map.at(inst->GetOutput()), true);
else
module->addDffsrGate(RTLIL::escape_id(inst->Name()), net_map.at(inst->GetClock()), net_map.at(inst->GetSet()), net_map.at(inst->GetReset()),
net_map.at(inst->GetInput()), net_map.at(inst->GetOutput()));
return true;
}
return false;
}
static bool import_netlist_instance_cells(RTLIL::Module *module, std::map<Net*, RTLIL::SigBit> &net_map, Instance *inst)
{
if (inst->Type() == PRIM_AND) {
module->addAnd(RTLIL::escape_id(inst->Name()), net_map.at(inst->GetInput1()), net_map.at(inst->GetInput2()), net_map.at(inst->GetOutput()));
return true;
}
if (inst->Type() == PRIM_NAND) {
RTLIL::SigSpec tmp = module->addWire(NEW_ID);
module->addAnd(NEW_ID, net_map.at(inst->GetInput1()), net_map.at(inst->GetInput2()), tmp);
module->addNot(RTLIL::escape_id(inst->Name()), tmp, net_map.at(inst->GetOutput()));
return true;
}
if (inst->Type() == PRIM_OR) {
module->addOr(RTLIL::escape_id(inst->Name()), net_map.at(inst->GetInput1()), net_map.at(inst->GetInput2()), net_map.at(inst->GetOutput()));
return true;
}
if (inst->Type() == PRIM_NOR) {
RTLIL::SigSpec tmp = module->addWire(NEW_ID);
module->addOr(NEW_ID, net_map.at(inst->GetInput1()), net_map.at(inst->GetInput2()), tmp);
module->addNot(RTLIL::escape_id(inst->Name()), tmp, net_map.at(inst->GetOutput()));
return true;
}
if (inst->Type() == PRIM_XOR) {
module->addXor(RTLIL::escape_id(inst->Name()), net_map.at(inst->GetInput1()), net_map.at(inst->GetInput2()), net_map.at(inst->GetOutput()));
return true;
}
if (inst->Type() == PRIM_XNOR) {
module->addXnor(RTLIL::escape_id(inst->Name()), net_map.at(inst->GetInput1()), net_map.at(inst->GetInput2()), net_map.at(inst->GetOutput()));
return true;
}
if (inst->Type() == PRIM_INV) {
module->addNot(RTLIL::escape_id(inst->Name()), net_map.at(inst->GetInput()), net_map.at(inst->GetOutput()));
return true;
}
if (inst->Type() == PRIM_MUX) {
module->addMux(RTLIL::escape_id(inst->Name()), net_map.at(inst->GetInput1()), net_map.at(inst->GetInput2()), net_map.at(inst->GetControl()), net_map.at(inst->GetOutput()));
return true;
}
if (inst->Type() == PRIM_TRI) {
module->addMux(RTLIL::escape_id(inst->Name()), RTLIL::State::Sz, net_map.at(inst->GetInput()), net_map.at(inst->GetControl()), net_map.at(inst->GetOutput()));
return true;
}
if (inst->Type() == PRIM_FADD)
{
RTLIL::SigSpec a_plus_b = module->addWire(NEW_ID, 2);
RTLIL::SigSpec y = inst->GetOutput() ? net_map.at(inst->GetOutput()) : module->addWire(NEW_ID);
if (inst->GetCout())
y.append(net_map.at(inst->GetCout()));
module->addAdd(NEW_ID, net_map.at(inst->GetInput1()), net_map.at(inst->GetInput2()), a_plus_b);
module->addAdd(RTLIL::escape_id(inst->Name()), a_plus_b, net_map.at(inst->GetCin()), y);
return true;
}
if (inst->Type() == PRIM_DFFRS)
{
if (inst->GetSet()->IsGnd() && inst->GetReset()->IsGnd())
module->addDff(RTLIL::escape_id(inst->Name()), net_map.at(inst->GetClock()), net_map.at(inst->GetInput()), net_map.at(inst->GetOutput()));
else if (inst->GetSet()->IsGnd())
module->addAdff(RTLIL::escape_id(inst->Name()), net_map.at(inst->GetClock()), net_map.at(inst->GetReset()),
net_map.at(inst->GetInput()), net_map.at(inst->GetOutput()), RTLIL::State::S0);
else if (inst->GetReset()->IsGnd())
module->addAdff(RTLIL::escape_id(inst->Name()), net_map.at(inst->GetClock()), net_map.at(inst->GetSet()),
net_map.at(inst->GetInput()), net_map.at(inst->GetOutput()), RTLIL::State::S1);
else
module->addDffsr(RTLIL::escape_id(inst->Name()), net_map.at(inst->GetClock()), net_map.at(inst->GetSet()), net_map.at(inst->GetReset()),
net_map.at(inst->GetInput()), net_map.at(inst->GetOutput()));
return true;
}
#define IN operatorInput(inst, net_map)
#define IN1 operatorInput1(inst, net_map)
#define IN2 operatorInput2(inst, net_map)
#define OUT operatorOutput(inst, net_map, module)
#define SIGNED inst->View()->IsSigned()
if (inst->Type() == OPER_ADDER) {
RTLIL::SigSpec out = OUT;
if (inst->GetCout() != NULL)
out.append(net_map.at(inst->GetCout()));
if (inst->GetCin()->IsGnd()) {
module->addAdd(RTLIL::escape_id(inst->Name()), IN1, IN2, out, SIGNED);
} else {
RTLIL::SigSpec tmp = module->addWire(NEW_ID, GetSize(out));
module->addAdd(NEW_ID, IN1, IN2, tmp, SIGNED);
module->addAdd(RTLIL::escape_id(inst->Name()), tmp, net_map.at(inst->GetCin()), out, false);
}
return true;
}
if (inst->Type() == OPER_MULTIPLIER) {
module->addMul(RTLIL::escape_id(inst->Name()), IN1, IN2, OUT, SIGNED);
return true;
}
if (inst->Type() == OPER_DIVIDER) {
module->addDiv(RTLIL::escape_id(inst->Name()), IN1, IN2, OUT, SIGNED);
return true;
}
if (inst->Type() == OPER_MODULO) {
module->addMod(RTLIL::escape_id(inst->Name()), IN1, IN2, OUT, SIGNED);
return true;
}
if (inst->Type() == OPER_REMAINDER) {
module->addMod(RTLIL::escape_id(inst->Name()), IN1, IN2, OUT, SIGNED);
return true;
}
if (inst->Type() == OPER_SHIFT_LEFT) {
module->addShl(RTLIL::escape_id(inst->Name()), IN1, IN2, OUT, false);
return true;
}
if (inst->Type() == OPER_SHIFT_RIGHT) {
Net *net_cin = inst->GetCin();
Net *net_a_msb = inst->GetInput1Bit(0);
if (net_cin->IsGnd())
module->addShr(RTLIL::escape_id(inst->Name()), IN1, IN2, OUT, false);
else if (net_cin == net_a_msb)
module->addSshr(RTLIL::escape_id(inst->Name()), IN1, IN2, OUT, true);
else
log_error("Can't import Verific OPER_SHIFT_RIGHT instance %s: carry_in is neither 0 nor msb of left input\n", inst->Name());
return true;
}
if (inst->Type() == OPER_REDUCE_AND) {
module->addReduceAnd(RTLIL::escape_id(inst->Name()), IN, net_map.at(inst->GetOutput()), SIGNED);
return true;
}
if (inst->Type() == OPER_REDUCE_OR) {
module->addReduceOr(RTLIL::escape_id(inst->Name()), IN, net_map.at(inst->GetOutput()), SIGNED);
return true;
}
if (inst->Type() == OPER_REDUCE_XOR) {
module->addReduceXor(RTLIL::escape_id(inst->Name()), IN, net_map.at(inst->GetOutput()), SIGNED);
return true;
}
if (inst->Type() == OPER_REDUCE_XNOR) {
module->addReduceXnor(RTLIL::escape_id(inst->Name()), IN, net_map.at(inst->GetOutput()), SIGNED);
return true;
}
if (inst->Type() == OPER_LESSTHAN) {
Net *net_cin = inst->GetCin();
if (net_cin->IsGnd())
module->addLt(RTLIL::escape_id(inst->Name()), IN1, IN2, net_map.at(inst->GetOutput()), SIGNED);
else if (net_cin->IsPwr())
module->addLe(RTLIL::escape_id(inst->Name()), IN1, IN2, net_map.at(inst->GetOutput()), SIGNED);
else
log_error("Can't import Verific OPER_LESSTHAN instance %s: carry_in is neither 0 nor 1\n", inst->Name());
return true;
}
if (inst->Type() == OPER_WIDE_AND) {
module->addAnd(RTLIL::escape_id(inst->Name()), IN1, IN2, OUT, SIGNED);
return true;
}
if (inst->Type() == OPER_WIDE_OR) {
module->addOr(RTLIL::escape_id(inst->Name()), IN1, IN2, OUT, SIGNED);
return true;
}
if (inst->Type() == OPER_WIDE_XOR) {
module->addXor(RTLIL::escape_id(inst->Name()), IN1, IN2, OUT, SIGNED);
return true;
}
if (inst->Type() == OPER_WIDE_XNOR) {
module->addXnor(RTLIL::escape_id(inst->Name()), IN1, IN2, OUT, SIGNED);
return true;
}
if (inst->Type() == OPER_WIDE_BUF) {
module->addPos(RTLIL::escape_id(inst->Name()), IN, OUT, SIGNED);
return true;
}
if (inst->Type() == OPER_WIDE_INV) {
module->addNot(RTLIL::escape_id(inst->Name()), IN, OUT, SIGNED);
return true;
}
if (inst->Type() == OPER_MINUS) {
module->addSub(RTLIL::escape_id(inst->Name()), IN1, IN2, OUT, SIGNED);
return true;
}
if (inst->Type() == OPER_UMINUS) {
module->addNeg(RTLIL::escape_id(inst->Name()), IN, OUT, SIGNED);
return true;
}
if (inst->Type() == OPER_EQUAL) {
module->addEq(RTLIL::escape_id(inst->Name()), IN1, IN2, net_map.at(inst->GetOutput()), SIGNED);
return true;
}
if (inst->Type() == OPER_NEQUAL) {
module->addNe(RTLIL::escape_id(inst->Name()), IN1, IN2, net_map.at(inst->GetOutput()), SIGNED);
return true;
}
if (inst->Type() == OPER_WIDE_MUX) {
module->addMux(RTLIL::escape_id(inst->Name()), IN1, IN2, net_map.at(inst->GetControl()), OUT);
return true;
}
if (inst->Type() == OPER_WIDE_TRI) {
module->addMux(RTLIL::escape_id(inst->Name()), RTLIL::SigSpec(RTLIL::State::Sz, inst->OutputSize()), IN, net_map.at(inst->GetControl()), OUT);
return true;
}
if (inst->Type() == OPER_WIDE_DFFRS) {
RTLIL::SigSpec sig_set = operatorInport(inst, "set", net_map);
RTLIL::SigSpec sig_reset = operatorInport(inst, "reset", net_map);
if (sig_set.is_fully_const() && !sig_set.as_bool() && sig_reset.is_fully_const() && !sig_reset.as_bool())
module->addDff(RTLIL::escape_id(inst->Name()), net_map.at(inst->GetClock()), IN, OUT);
else
module->addDffsr(RTLIL::escape_id(inst->Name()), net_map.at(inst->GetClock()), sig_set, sig_reset, IN, OUT);
return true;
}
#undef IN
#undef IN1
#undef IN2
#undef OUT
#undef SIGNED
return false;
}
static void import_netlist(RTLIL::Design *design, Netlist *nl, std::set<Netlist*> &nl_todo, bool mode_gates)
{
std::string module_name = nl->IsOperator() ? std::string("$verific$") + nl->Owner()->Name() : RTLIL::escape_id(nl->Owner()->Name());
if (design->has(module_name)) {
if (!nl->IsOperator())
log_cmd_error("Re-definition of module `%s'.\n", nl->Owner()->Name());
return;
}
RTLIL::Module *module = new RTLIL::Module;
module->name = module_name;
design->add(module);
log("Importing module %s.\n", RTLIL::id2cstr(module->name));
std::map<Net*, RTLIL::SigBit> net_map;
SetIter si;
MapIter mi, mi2;
Port *port;
PortBus *portbus;
Net *net;
NetBus *netbus;
Instance *inst;
PortRef *pr;
FOREACH_PORT_OF_NETLIST(nl, mi, port)
{
if (port->Bus())
continue;
// log(" importing port %s.\n", port->Name());
RTLIL::Wire *wire = module->addWire(RTLIL::escape_id(port->Name()));
import_attributes(wire->attributes, port);
wire->port_id = nl->IndexOf(port) + 1;
if (port->GetDir() == DIR_INOUT || port->GetDir() == DIR_IN)
wire->port_input = true;
if (port->GetDir() == DIR_INOUT || port->GetDir() == DIR_OUT)
wire->port_output = true;
if (port->GetNet()) {
net = port->GetNet();
if (net_map.count(net) == 0)
net_map[net] = wire;
else if (wire->port_input)
module->connect(net_map.at(net), wire);
else
module->connect(wire, net_map.at(net));
}
}
FOREACH_PORTBUS_OF_NETLIST(nl, mi, portbus)
{
// log(" importing portbus %s.\n", portbus->Name());
RTLIL::Wire *wire = module->addWire(RTLIL::escape_id(portbus->Name()), portbus->Size());
wire->start_offset = std::min(portbus->LeftIndex(), portbus->RightIndex());
import_attributes(wire->attributes, portbus);
if (portbus->GetDir() == DIR_INOUT || portbus->GetDir() == DIR_IN)
wire->port_input = true;
if (portbus->GetDir() == DIR_INOUT || portbus->GetDir() == DIR_OUT)
wire->port_output = true;
for (int i = portbus->LeftIndex();; i += portbus->IsUp() ? +1 : -1) {
if (portbus->ElementAtIndex(i) && portbus->ElementAtIndex(i)->GetNet()) {
net = portbus->ElementAtIndex(i)->GetNet();
RTLIL::SigBit bit(wire, i - wire->start_offset);
if (net_map.count(net) == 0)
net_map[net] = bit;
else if (wire->port_input)
module->connect(net_map.at(net), bit);
else
module->connect(bit, net_map.at(net));
}
if (i == portbus->RightIndex())
break;
}
}
module->fixup_ports();
FOREACH_NET_OF_NETLIST(nl, mi, net)
{
if (net->IsRamNet())
{
RTLIL::Memory *memory = new RTLIL::Memory;
memory->name = RTLIL::escape_id(net->Name());
log_assert(module->count_id(memory->name) == 0);
module->memories[memory->name] = memory;
int number_of_bits = net->Size();
int bits_in_word = number_of_bits;
FOREACH_PORTREF_OF_NET(net, si, pr) {
if (pr->GetInst()->Type() == OPER_READ_PORT) {
bits_in_word = std::min<int>(bits_in_word, pr->GetInst()->OutputSize());
continue;
}
if (pr->GetInst()->Type() == OPER_WRITE_PORT || pr->GetInst()->Type() == OPER_CLOCKED_WRITE_PORT) {
bits_in_word = std::min<int>(bits_in_word, pr->GetInst()->Input2Size());
continue;
}
log_error("Verific RamNet %s is connected to unsupported instance type %s (%s).\n",
net->Name(), pr->GetInst()->View()->Owner()->Name(), pr->GetInst()->Name());
}
memory->width = bits_in_word;
memory->size = number_of_bits / bits_in_word;
continue;
}
if (net_map.count(net)) {
// log(" skipping net %s.\n", net->Name());
continue;
}
if (net->Bus())
continue;
// log(" importing net %s.\n", net->Name());
RTLIL::IdString wire_name = module->uniquify(RTLIL::escape_id(net->Name()));
RTLIL::Wire *wire = module->addWire(wire_name);
import_attributes(wire->attributes, net);
net_map[net] = wire;
}
FOREACH_NETBUS_OF_NETLIST(nl, mi, netbus)
{
bool found_new_net = false;
for (int i = netbus->LeftIndex();; i += netbus->IsUp() ? +1 : -1) {
net = netbus->ElementAtIndex(i);
if (net_map.count(net) == 0)
found_new_net = true;
if (i == netbus->RightIndex())
break;
}
if (found_new_net)
{
// log(" importing netbus %s.\n", netbus->Name());
RTLIL::IdString wire_name = module->uniquify(RTLIL::escape_id(netbus->Name()));
RTLIL::Wire *wire = module->addWire(wire_name, netbus->Size());
wire->start_offset = std::min(netbus->LeftIndex(), netbus->RightIndex());
import_attributes(wire->attributes, netbus);
for (int i = netbus->LeftIndex();; i += netbus->IsUp() ? +1 : -1) {
if (netbus->ElementAtIndex(i)) {
net = netbus->ElementAtIndex(i);
RTLIL::SigBit bit(wire, i - wire->start_offset);
if (net_map.count(net) == 0)
net_map[net] = bit;
else
module->connect(bit, net_map.at(net));
}
if (i == netbus->RightIndex())
break;
}
}
else
{
// log(" skipping netbus %s.\n", netbus->Name());
}
}
FOREACH_INSTANCE_OF_NETLIST(nl, mi, inst)
{
// log(" importing cell %s (%s).\n", inst->Name(), inst->View()->Owner()->Name());
if (inst->Type() == PRIM_PWR) {
module->connect(net_map.at(inst->GetOutput()), RTLIL::State::S1);
continue;
}
if (inst->Type() == PRIM_GND) {
module->connect(net_map.at(inst->GetOutput()), RTLIL::State::S0);
continue;
}
if (inst->Type() == PRIM_X) {
module->connect(net_map.at(inst->GetOutput()), RTLIL::State::Sx);
continue;
}
if (inst->Type() == PRIM_Z) {
module->connect(net_map.at(inst->GetOutput()), RTLIL::State::Sz);
continue;
}
if (inst->Type() == OPER_READ_PORT)
{
RTLIL::Memory *memory = module->memories.at(RTLIL::escape_id(inst->GetInput()->Name()));
if (memory->width != int(inst->OutputSize()))
log_error("Import of asymetric memories from Verific is not supported yet: %s %s\n", inst->Name(), inst->GetInput()->Name());
RTLIL::SigSpec addr = operatorInput1(inst, net_map);
RTLIL::SigSpec data = operatorOutput(inst, net_map, module);
RTLIL::Cell *cell = module->addCell(RTLIL::escape_id(inst->Name()), "$memrd");
cell->parameters["\\MEMID"] = memory->name.str();
cell->parameters["\\CLK_ENABLE"] = false;
cell->parameters["\\CLK_POLARITY"] = true;
cell->parameters["\\TRANSPARENT"] = false;
cell->parameters["\\ABITS"] = GetSize(addr);
cell->parameters["\\WIDTH"] = GetSize(data);
cell->setPort("\\CLK", RTLIL::State::S0);
cell->setPort("\\ADDR", addr);
cell->setPort("\\DATA", data);
continue;
}
if (inst->Type() == OPER_WRITE_PORT || inst->Type() == OPER_CLOCKED_WRITE_PORT)
{
RTLIL::Memory *memory = module->memories.at(RTLIL::escape_id(inst->GetOutput()->Name()));
if (memory->width != int(inst->Input2Size()))
log_error("Import of asymetric memories from Verific is not supported yet: %s %s\n", inst->Name(), inst->GetInput()->Name());
RTLIL::SigSpec addr = operatorInput1(inst, net_map);
RTLIL::SigSpec data = operatorInput2(inst, net_map);
RTLIL::Cell *cell = module->addCell(RTLIL::escape_id(inst->Name()), "$memwr");
cell->parameters["\\MEMID"] = memory->name.str();
cell->parameters["\\CLK_ENABLE"] = false;
cell->parameters["\\CLK_POLARITY"] = true;
cell->parameters["\\PRIORITY"] = 0;
cell->parameters["\\ABITS"] = GetSize(addr);
cell->parameters["\\WIDTH"] = GetSize(data);
cell->setPort("\\EN", RTLIL::SigSpec(net_map.at(inst->GetControl())).repeat(GetSize(data)));
cell->setPort("\\CLK", RTLIL::State::S0);
cell->setPort("\\ADDR", addr);
cell->setPort("\\DATA", data);
if (inst->Type() == OPER_CLOCKED_WRITE_PORT) {
cell->parameters["\\CLK_ENABLE"] = true;
cell->setPort("\\CLK", net_map.at(inst->GetClock()));
}
continue;
}
if (!mode_gates) {
if (import_netlist_instance_cells(module, net_map, inst))
continue;
if (inst->IsOperator())
log_warning("Unsupported Verific operator: %s (fallback to gate level implementation provided by verific)\n", inst->View()->Owner()->Name());
} else {
if (import_netlist_instance_gates(module, net_map, inst))
continue;
}
if (inst->IsPrimitive())
log_error("Unsupported Verific primitive: %s\n", inst->View()->Owner()->Name());
nl_todo.insert(inst->View());
RTLIL::Cell *cell = module->addCell(RTLIL::escape_id(inst->Name()), inst->IsOperator() ?
std::string("$verific$") + inst->View()->Owner()->Name() : RTLIL::escape_id(inst->View()->Owner()->Name()));
FOREACH_PORTREF_OF_INST(inst, mi2, pr) {
// log(" .%s(%s)\n", pr->GetPort()->Name(), pr->GetNet()->Name());
const char *port_name = pr->GetPort()->Name();
int port_offset = 0;
if (pr->GetPort()->Bus()) {
port_name = pr->GetPort()->Bus()->Name();
port_offset = pr->GetPort()->Bus()->IndexOf(pr->GetPort()) -
std::min(pr->GetPort()->Bus()->LeftIndex(), pr->GetPort()->Bus()->RightIndex());
}
RTLIL::SigSpec conn;
if (cell->hasPort(RTLIL::escape_id(port_name)))
conn = cell->getPort(RTLIL::escape_id(port_name));
while (GetSize(conn) <= port_offset) {
if (pr->GetPort()->GetDir() != DIR_IN)
conn.append(module->addWire(NEW_ID, port_offset - GetSize(conn)));
conn.append(RTLIL::State::Sz);
}
conn.replace(port_offset, net_map.at(pr->GetNet()));
cell->setPort(RTLIL::escape_id(port_name), conn);
}
}
}
#endif /* YOSYS_ENABLE_VERIFIC */
YOSYS_NAMESPACE_BEGIN
struct VerificPass : public Pass {
VerificPass() : Pass("verific", "load Verilog and VHDL designs using Verific") { }
virtual void help()
{
// |---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|
log("\n");
log(" verific {-vlog95|-vlog2k|-sv2005|-sv2009|-sv} <verilog-file>..\n");
log("\n");
log("Load the specified Verilog/SystemVerilog files into Verific.\n");
log("\n");
log("\n");
log(" verific {-vhdl87|-vhdl93|-vhdl2k|-vhdl2008} <vhdl-file>..\n");
log("\n");
log("Load the specified VHDL files into Verific.\n");
log("\n");
log("\n");
log(" verific -import [-gates] {-all | <top-module>..}\n");
log("\n");
log("Elaborate the design for the specified top modules, import to Yosys and\n");
log("reset the internal state of Verific. A gate-level netlist is created\n");
log("when called with -gates.\n");
log("\n");
log("Visit http://verific.com/ for more information on Verific.\n");
log("\n");
}
#ifdef YOSYS_ENABLE_VERIFIC
virtual void execute(std::vector<std::string> args, RTLIL::Design *design)
{
log_header("Executing VERIFIC (loading Verilog and VHDL designs using Verific).\n");
Message::SetConsoleOutput(0);
Message::RegisterCallBackMsg(msg_func);
if (args.size() > 1 && args[1] == "-vlog95") {
for (size_t argidx = 2; argidx < args.size(); argidx++)
if (!veri_file::Analyze(args[argidx].c_str(), veri_file::VERILOG_95))
log_cmd_error("Reading `%s' in VERILOG_95 mode failed.\n", args[argidx].c_str());
return;
}
if (args.size() > 1 && args[1] == "-vlog2k") {
for (size_t argidx = 2; argidx < args.size(); argidx++)
if (!veri_file::Analyze(args[argidx].c_str(), veri_file::VERILOG_2K))
log_cmd_error("Reading `%s' in VERILOG_2K mode failed.\n", args[argidx].c_str());
return;
}
if (args.size() > 1 && args[1] == "-sv2005") {
for (size_t argidx = 2; argidx < args.size(); argidx++)
if (!veri_file::Analyze(args[argidx].c_str(), veri_file::SYSTEM_VERILOG_2005))
log_cmd_error("Reading `%s' in SYSTEM_VERILOG_2005 mode failed.\n", args[argidx].c_str());
return;
}
if (args.size() > 1 && args[1] == "-sv2009") {
for (size_t argidx = 2; argidx < args.size(); argidx++)
if (!veri_file::Analyze(args[argidx].c_str(), veri_file::SYSTEM_VERILOG_2009))
log_cmd_error("Reading `%s' in SYSTEM_VERILOG_2009 mode failed.\n", args[argidx].c_str());
return;
}
if (args.size() > 1 && args[1] == "-sv") {
for (size_t argidx = 2; argidx < args.size(); argidx++)
if (!veri_file::Analyze(args[argidx].c_str(), veri_file::SYSTEM_VERILOG))
log_cmd_error("Reading `%s' in SYSTEM_VERILOG mode failed.\n", args[argidx].c_str());
return;
}
if (args.size() > 1 && args[1] == "-vhdl87") {
vhdl_file::SetDefaultLibraryPath((proc_share_dirname() + "verific/vhdl_vdbs_1993").c_str());
for (size_t argidx = 2; argidx < args.size(); argidx++)
if (!vhdl_file::Analyze(args[argidx].c_str(), "work", vhdl_file::VHDL_87))
log_cmd_error("Reading `%s' in VHDL_87 mode failed.\n", args[argidx].c_str());
return;
}
if (args.size() > 1 && args[1] == "-vhdl93") {
vhdl_file::SetDefaultLibraryPath((proc_share_dirname() + "verific/vhdl_vdbs_1993").c_str());
for (size_t argidx = 2; argidx < args.size(); argidx++)
if (!vhdl_file::Analyze(args[argidx].c_str(), "work", vhdl_file::VHDL_93))
log_cmd_error("Reading `%s' in VHDL_93 mode failed.\n", args[argidx].c_str());
return;
}
if (args.size() > 1 && args[1] == "-vhdl2k") {
vhdl_file::SetDefaultLibraryPath((proc_share_dirname() + "verific/vhdl_vdbs_1993").c_str());
for (size_t argidx = 2; argidx < args.size(); argidx++)
if (!vhdl_file::Analyze(args[argidx].c_str(), "work", vhdl_file::VHDL_2K))
log_cmd_error("Reading `%s' in VHDL_2K mode failed.\n", args[argidx].c_str());
return;
}
if (args.size() > 1 && args[1] == "-vhdl2008") {
vhdl_file::SetDefaultLibraryPath((proc_share_dirname() + "verific/vhdl_vdbs_2008").c_str());
for (size_t argidx = 2; argidx < args.size(); argidx++)
if (!vhdl_file::Analyze(args[argidx].c_str(), "work", vhdl_file::VHDL_2008))
log_cmd_error("Reading `%s' in VHDL_2008 mode failed.\n", args[argidx].c_str());
return;
}
if (args.size() > 1 && args[1] == "-import")
{
std::set<Netlist*> nl_todo, nl_done;
bool mode_all = false, mode_gates = false;
size_t argidx = 2;
for (; argidx < args.size(); argidx++) {
if (args[argidx] == "-all") {
mode_all = true;
continue;
}
if (args[argidx] == "-gates") {
mode_gates = true;
continue;
}
break;
}
if (argidx > args.size() && args[argidx].substr(0, 1) == "-")
cmd_error(args, argidx, "unknown option");
if (mode_all)
{
if (argidx != args.size())
log_cmd_error("Got -all and an explicit list of top modules.\n");
MapIter m1, m2, m3;
VeriModule *mod;
FOREACH_VERILOG_MODULE(m1, mod)
args.push_back(mod->Name());
VhdlLibrary *lib;
VhdlPrimaryUnit *primunit;
FOREACH_VHDL_LIBRARY(m1, lib)
FOREACH_VHDL_PRIMARY_UNIT(lib, m2, primunit) {
if (primunit->IsPackageDecl())
continue;
args.push_back(primunit->Name());
}
}
else
if (argidx == args.size())
log_cmd_error("No top module specified.\n");
for (; argidx < args.size(); argidx++) {
if (veri_file::GetModule(args[argidx].c_str())) {
if (!veri_file::Elaborate(args[argidx].c_str()))
log_cmd_error("Elaboration of top module `%s' failed.\n", args[argidx].c_str());
nl_todo.insert(Netlist::PresentDesign());
} else {
if (!vhdl_file::Elaborate(args[argidx].c_str()))
log_cmd_error("Elaboration of top module `%s' failed.\n", args[argidx].c_str());
nl_todo.insert(Netlist::PresentDesign());
}
}
while (!nl_todo.empty()) {
Netlist *nl = *nl_todo.begin();
if (nl_done.count(nl) == 0)
import_netlist(design, nl, nl_todo, mode_gates);
nl_todo.erase(nl);
nl_done.insert(nl);
}
Libset::Reset();
return;
}
log_cmd_error("Missing or unsupported mode parameter.\n");
}
#else /* YOSYS_ENABLE_VERIFIC */
virtual void execute(std::vector<std::string>, RTLIL::Design *) {
log_cmd_error("This version of Yosys is built without Verific support.\n");
}
#endif
} VerificPass;
YOSYS_NAMESPACE_END
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