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Added ModIndex helper class, some changes to RTLIL::Monitor

This commit is contained in:
Clifford Wolf 2014-08-01 16:53:15 +02:00
parent 97a17d39e2
commit d13eb7e099
9 changed files with 170 additions and 30 deletions

View file

@ -20,9 +20,118 @@
#ifndef MODTOOLS_H
#define MODTOOLS_H
#include "kernel/yosys.h"
#include "kernel/sigtools.h"
#include "kernel/celltypes.h"
YOSYS_NAMESPACE_BEGIN
struct ModIndex : public RTLIL::Monitor
{
struct PortInfo {
const RTLIL::Cell* cell;
const RTLIL::IdString &port;
const int offset;
PortInfo(RTLIL::Cell* _c, const RTLIL::IdString &_p, int _o) : cell(_c), port(_p), offset(_o) { }
bool operator<(const PortInfo &other) const {
if (cell != other.cell)
return cell < other.cell;
if (offset != other.offset)
return offset < other.offset;
return port < other.port;
}
};
struct SigBitInfo
{
bool is_input, is_output;
std::set<PortInfo> ports;
SigBitInfo() : is_input(false), is_output(false) { }
};
SigMap sigmap;
RTLIL::Module *module;
std::map<RTLIL::SigBit, SigBitInfo> database;
bool auto_reload_module;
void port_add(RTLIL::Cell *cell, const RTLIL::IdString &port, const RTLIL::SigSpec &sig)
{
for (int i = 0; i < SIZE(sig); i++)
database[sigmap(sig[i])].ports.insert(PortInfo(cell, port, i));
}
void port_del(RTLIL::Cell *cell, const RTLIL::IdString &port, const RTLIL::SigSpec &sig)
{
for (int i = 0; i < SIZE(sig); i++)
database[sigmap(sig[i])].ports.erase(PortInfo(cell, port, i));
}
const SigBitInfo &info(RTLIL::SigBit bit)
{
return database[sigmap(bit)];
}
void reload_module()
{
sigmap.clear();
sigmap.set(module);
database.clear();
for (auto wire : module->wires())
if (wire->port_input || wire->port_output)
for (int i = 0; i < SIZE(wire); i++) {
if (wire->port_input)
database[sigmap(RTLIL::SigBit(wire, i))].is_input = true;
if (wire->port_output)
database[sigmap(RTLIL::SigBit(wire, i))].is_output = true;
}
for (auto cell : module->cells())
for (auto &conn : cell->connections())
port_add(cell, conn.first, conn.second);
auto_reload_module = false;
}
virtual void notify_connect(RTLIL::Cell *cell, const RTLIL::IdString &port, const RTLIL::SigSpec &old_sig, RTLIL::SigSpec &sig) override
{
if (auto_reload_module)
reload_module();
port_del(cell, port, old_sig);
port_add(cell, port, sig);
}
virtual void notify_connect(RTLIL::Module *mod, const RTLIL::SigSig&)
{
log_assert(module == mod);
auto_reload_module = true;
}
virtual void notify_connect(RTLIL::Module *mod, const std::vector<RTLIL::SigSig>&)
{
log_assert(module == mod);
auto_reload_module = true;
}
virtual void notify_blackout(RTLIL::Module *mod)
{
log_assert(module == mod);
auto_reload_module = true;
}
ModIndex(RTLIL::Module *_m) : module(_m) {
auto_reload_module = true;
module->monitors.insert(this);
}
~ModIndex() {
module->monitors.erase(this);
}
};
struct ModWalker
{
struct PortBit
@ -295,4 +404,6 @@ struct ModWalker
}
};
YOSYS_NAMESPACE_END
#endif