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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.
*
*/
#ifdef YOSYS_ENABLE_VERIFIC
#include "DataBase.h"
YOSYS_NAMESPACE_BEGIN
extern int verific_verbose;
extern pool<int> verific_sva_prims;
struct VerificImporter;
struct VerificClocking {
RTLIL::Module *module = nullptr;
Verific::Net *clock_net = nullptr;
Verific::Net *enable_net = nullptr;
Verific::Net *disable_net = nullptr;
Verific::Net *body_net = nullptr;
Verific::Net *cond_net = nullptr;
SigBit clock_sig = State::Sx;
SigBit enable_sig = State::S1;
SigBit disable_sig = State::S0;
bool posedge = true;
VerificClocking() { }
VerificClocking(VerificImporter *importer, Verific::Net *net, bool sva_at_only = false);
RTLIL::Cell *addDff(IdString name, SigSpec sig_d, SigSpec sig_q, Const init_value = Const());
RTLIL::Cell *addAdff(IdString name, RTLIL::SigSpec sig_arst, SigSpec sig_d, SigSpec sig_q, Const arst_value);
RTLIL::Cell *addDffsr(IdString name, RTLIL::SigSpec sig_set, RTLIL::SigSpec sig_clr, SigSpec sig_d, SigSpec sig_q);
bool property_matches_sequence(const VerificClocking &seq) const {
if (clock_net != seq.clock_net)
return false;
if (enable_net != seq.enable_net)
return false;
if (posedge != seq.posedge)
return false;
return true;
}
};
struct VerificImporter
{
RTLIL::Module *module;
Verific::Netlist *netlist;
std::map<Verific::Net*, RTLIL::SigBit> net_map;
std::map<Verific::Net*, Verific::Net*> sva_posedge_map;
bool mode_gates, mode_keep, mode_nosva, mode_names, mode_verific;
bool mode_autocover;
VerificImporter(bool mode_gates, bool mode_keep, bool mode_nosva, bool mode_names, bool mode_verific, bool mode_autocover);
RTLIL::SigBit net_map_at(Verific::Net *net);
void import_attributes(dict<RTLIL::IdString, RTLIL::Const> &attributes, Verific::DesignObj *obj);
RTLIL::SigSpec operatorInput(Verific::Instance *inst);
RTLIL::SigSpec operatorInput1(Verific::Instance *inst);
RTLIL::SigSpec operatorInput2(Verific::Instance *inst);
RTLIL::SigSpec operatorInport(Verific::Instance *inst, const char *portname);
RTLIL::SigSpec operatorOutput(Verific::Instance *inst);
bool import_netlist_instance_gates(Verific::Instance *inst, RTLIL::IdString inst_name);
bool import_netlist_instance_cells(Verific::Instance *inst, RTLIL::IdString inst_name);
void merge_past_ffs_clock(pool<RTLIL::Cell*> &candidates, SigBit clock, bool clock_pol);
void merge_past_ffs(pool<RTLIL::Cell*> &candidates);
void import_netlist(RTLIL::Design *design, Verific::Netlist *nl, std::set<Verific::Netlist*> &nl_todo);
};
void verific_import_sva_assert(VerificImporter *importer, Verific::Instance *inst);
void verific_import_sva_assume(VerificImporter *importer, Verific::Instance *inst);
void verific_import_sva_cover(VerificImporter *importer, Verific::Instance *inst);
void verific_import_sva_trigger(VerificImporter *importer, Verific::Instance *inst);
bool verific_is_sva_net(VerificImporter *importer, Verific::Net *net);
YOSYS_NAMESPACE_END
#endif
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