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/*
* nextpnr -- Next Generation Place and Route
*
* Copyright (C) 2018 Miodrag Milanovic <miodrag@symbioticeda.com>
*
* 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 "worker.h"
#include <fstream>
#include "bitstream.h"
#include "design_utils.h"
#include "jsonparse.h"
#include "log.h"
#include "pack.h"
#include "pcf.h"
#include "place_sa.h"
#include "route.h"
#include "timing.h"
NEXTPNR_NAMESPACE_BEGIN
struct WorkerInterruptionRequested
{
};
Worker::Worker(Context *_ctx, TaskManager *parent) : ctx(_ctx)
{
log_write_function = [this, parent](std::string text) {
Q_EMIT log(text);
if (parent->shouldTerminate()) {
parent->clearTerminate();
throw WorkerInterruptionRequested();
}
if (parent->isPaused()) {
Q_EMIT taskPaused();
}
while (parent->isPaused()) {
if (parent->shouldTerminate()) {
parent->clearTerminate();
throw WorkerInterruptionRequested();
}
QThread::sleep(1);
}
};
}
void Worker::loadfile(const std::string &filename)
{
Q_EMIT taskStarted();
std::string fn = filename;
std::ifstream f(fn);
try {
Q_EMIT loadfile_finished(parse_json_file(f, fn, ctx));
} catch (WorkerInterruptionRequested) {
Q_EMIT taskCanceled();
}
}
void Worker::loadpcf(const std::string &filename)
{
Q_EMIT taskStarted();
std::string fn = filename;
std::ifstream f(fn);
try {
Q_EMIT loadpcf_finished(apply_pcf(ctx, f));
} catch (WorkerInterruptionRequested) {
Q_EMIT taskCanceled();
}
}
void Worker::pack()
{
Q_EMIT taskStarted();
try {
bool res = pack_design(ctx);
print_utilisation(ctx);
Q_EMIT pack_finished(res);
} catch (WorkerInterruptionRequested) {
Q_EMIT taskCanceled();
}
}
void Worker::budget(double freq)
{
Q_EMIT taskStarted();
try {
assign_budget(ctx, freq);
Q_EMIT budget_finish(true);
} catch (WorkerInterruptionRequested) {
Q_EMIT taskCanceled();
}
}
void Worker::place(bool timing_driven)
{
Q_EMIT taskStarted();
try {
Q_EMIT place_finished(place_design_sa(ctx, timing_driven));
} catch (WorkerInterruptionRequested) {
Q_EMIT taskCanceled();
}
}
void Worker::route()
{
Q_EMIT taskStarted();
try {
Q_EMIT route_finished(route_design(ctx));
} catch (WorkerInterruptionRequested) {
Q_EMIT taskCanceled();
}
}
TaskManager::TaskManager(Context *ctx) : toTerminate(false), toPause(false)
{
Worker *worker = new Worker(ctx, this);
worker->moveToThread(&workerThread);
connect(&workerThread, &QThread::finished, worker, &QObject::deleteLater);
connect(this, &TaskManager::loadfile, worker, &Worker::loadfile);
connect(this, &TaskManager::loadpcf, worker, &Worker::loadpcf);
connect(this, &TaskManager::pack, worker, &Worker::pack);
connect(this, &TaskManager::budget, worker, &Worker::budget);
connect(this, &TaskManager::place, worker, &Worker::place);
connect(this, &TaskManager::route, worker, &Worker::route);
connect(worker, &Worker::log, this, &TaskManager::info);
connect(worker, &Worker::loadfile_finished, this, &TaskManager::loadfile_finished);
connect(worker, &Worker::loadpcf_finished, this, &TaskManager::loadpcf_finished);
connect(worker, &Worker::pack_finished, this, &TaskManager::pack_finished);
connect(worker, &Worker::budget_finish, this, &TaskManager::budget_finish);
connect(worker, &Worker::place_finished, this, &TaskManager::place_finished);
connect(worker, &Worker::route_finished, this, &TaskManager::route_finished);
connect(worker, &Worker::taskCanceled, this, &TaskManager::taskCanceled);
connect(worker, &Worker::taskStarted, this, &TaskManager::taskStarted);
connect(worker, &Worker::taskPaused, this, &TaskManager::taskPaused);
workerThread.start();
}
TaskManager::~TaskManager()
{
if (workerThread.isRunning())
terminate_thread();
workerThread.quit();
workerThread.wait();
}
void TaskManager::info(const std::string &result) { Q_EMIT log(result); }
void TaskManager::terminate_thread()
{
QMutexLocker locker(&mutex);
toPause = false;
toTerminate = true;
}
bool TaskManager::shouldTerminate()
{
QMutexLocker locker(&mutex);
return toTerminate;
}
void TaskManager::clearTerminate()
{
QMutexLocker locker(&mutex);
toTerminate = false;
}
void TaskManager::pause_thread()
{
QMutexLocker locker(&mutex);
toPause = true;
}
void TaskManager::continue_thread()
{
QMutexLocker locker(&mutex);
toPause = false;
Q_EMIT taskStarted();
}
bool TaskManager::isPaused()
{
QMutexLocker locker(&mutex);
return toPause;
}
NEXTPNR_NAMESPACE_END
|
