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/*
* nextpnr -- Next Generation Place and Route
*
* Copyright (C) 2018 Claire Xenia Wolf <claire@yosyshq.com>
* Copyright (C) 2018 Serge Bazanski <q3k@q3k.org>
*
* 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.
*
*/
#ifndef CONTEXT_H
#define CONTEXT_H
#include <boost/lexical_cast.hpp>
#include "arch.h"
#include "deterministic_rng.h"
NEXTPNR_NAMESPACE_BEGIN
struct Context : Arch, DeterministicRNG
{
bool verbose = false;
bool debug = false;
bool force = false;
// Should we disable printing of the location of nets in the critical path?
bool disable_critical_path_source_print = false;
// True when detailed per-net timing is to be stored / reported
bool detailed_timing_report = false;
ArchArgs arch_args;
Context(ArchArgs args) : Arch(args)
{
BaseCtx::as_ctx = this;
arch_args = args;
}
ArchArgs getArchArgs() { return arch_args; }
// --------------------------------------------------------------
delay_t predictArcDelay(const NetInfo *net_info, const PortRef &sink) const;
WireId getNetinfoSourceWire(const NetInfo *net_info) const;
SSOArray<WireId, 2> getNetinfoSinkWires(const NetInfo *net_info, const PortRef &sink) const;
size_t getNetinfoSinkWireCount(const NetInfo *net_info, const PortRef &sink) const;
WireId getNetinfoSinkWire(const NetInfo *net_info, const PortRef &sink, size_t phys_idx) const;
delay_t getNetinfoRouteDelay(const NetInfo *net_info, const PortRef &sink) const;
// provided by router1.cc
bool checkRoutedDesign() const;
bool getActualRouteDelay(WireId src_wire, WireId dst_wire, delay_t *delay = nullptr,
dict<WireId, PipId> *route = nullptr, bool useEstimate = true);
// --------------------------------------------------------------
// Dispatch to the Arch API or pseudo-cell API accordingly
bool getCellDelay(const CellInfo *cell, IdString fromPort, IdString toPort, DelayQuad &delay) const override
{
return cell->pseudo_cell ? cell->pseudo_cell->getDelay(fromPort, toPort, delay)
: Arch::getCellDelay(cell, fromPort, toPort, delay);
}
TimingPortClass getPortTimingClass(const CellInfo *cell, IdString port, int &clockInfoCount) const override
{
return cell->pseudo_cell ? cell->pseudo_cell->getPortTimingClass(port, clockInfoCount)
: Arch::getPortTimingClass(cell, port, clockInfoCount);
}
TimingClockingInfo getPortClockingInfo(const CellInfo *cell, IdString port, int index) const override
{
return cell->pseudo_cell ? cell->pseudo_cell->getPortClockingInfo(port, index)
: Arch::getPortClockingInfo(cell, port, index);
}
// --------------------------------------------------------------
// call after changing hierpath or adding/removing nets and cells
void fixupHierarchy();
// --------------------------------------------------------------
// provided by sdf.cc
void writeSDF(std::ostream &out, bool cvc_mode = false) const;
// --------------------------------------------------------------
// provided by svg.cc
void writeSVG(const std::string &filename, const std::string &flags = "") const;
// --------------------------------------------------------------
// provided by report.cc
void writeReport(std::ostream &out) const;
// --------------------------------------------------------------
uint32_t checksum() const;
void check() const;
void archcheck() const;
template <typename T> T setting(const char *name, T defaultValue)
{
IdString new_id = id(name);
auto found = settings.find(new_id);
if (found != settings.end())
return boost::lexical_cast<T>(found->second.is_string ? found->second.as_string()
: std::to_string(found->second.as_int64()));
else
settings[id(name)] = std::to_string(defaultValue);
return defaultValue;
}
template <typename T> T setting(const char *name) const
{
IdString new_id = id(name);
auto found = settings.find(new_id);
if (found != settings.end())
return boost::lexical_cast<T>(found->second.is_string ? found->second.as_string()
: std::to_string(found->second.as_int64()));
else
throw std::runtime_error("settings does not exists");
}
};
NEXTPNR_NAMESPACE_END
#endif /* CONTEXT_H */
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