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https://github.com/hrydgard/ppsspp.git
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e01ca5b057
* Rename LogType to Log * Explicitly use the Log:: enum when logging. Allows for autocomplete when editing. * Mac/ARM64 buildfix * Do the same with the hle result log macros * Rename the log names to mixed case while at it. * iOS buildfix * Qt buildfix attempt, ARM32 buildfix
173 lines
5.0 KiB
C++
173 lines
5.0 KiB
C++
// Copyright (c) 2012- PPSSPP Project.
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, version 2.0 or later versions.
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License 2.0 for more details.
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// A copy of the GPL 2.0 should have been included with the program.
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// If not, see http://www.gnu.org/licenses/
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// Official git repository and contact information can be found at
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// https://github.com/hrydgard/ppsspp and http://www.ppsspp.org/.
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#include <condition_variable>
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#include <mutex>
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#include "Common/Serialize/Serializer.h"
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#include "Common/Serialize/SerializeFuncs.h"
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#include "Common/Serialize/SerializeMap.h"
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#include "Common/Serialize/SerializeSet.h"
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#include "Core/MIPS/MIPS.h"
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#include "Core/Reporting.h"
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#include "Core/System.h"
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#include "Core/HW/AsyncIOManager.h"
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#include "Core/FileSystems/MetaFileSystem.h"
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bool AsyncIOManager::HasOperation(u32 handle) {
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std::lock_guard<std::mutex> guard(resultsLock_);
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if (resultsPending_.find(handle) != resultsPending_.end()) {
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return true;
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}
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if (results_.find(handle) != results_.end()) {
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return true;
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}
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return false;
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}
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void AsyncIOManager::ScheduleOperation(const AsyncIOEvent &ev) {
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{
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std::lock_guard<std::mutex> guard(resultsLock_);
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if (!resultsPending_.insert(ev.handle).second) {
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ERROR_LOG_REPORT(Log::sceIo, "Scheduling operation for file %d while one is pending (type %d)", ev.handle, ev.type);
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}
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}
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ScheduleEvent(ev);
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}
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void AsyncIOManager::Shutdown() {
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std::lock_guard<std::mutex> guard(resultsLock_);
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resultsPending_.clear();
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results_.clear();
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}
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bool AsyncIOManager::HasResult(u32 handle) {
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std::lock_guard<std::mutex> guard(resultsLock_);
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return results_.find(handle) != results_.end();
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}
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bool AsyncIOManager::PopResult(u32 handle, AsyncIOResult &result) {
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// This is called under lock from WaitResult, no need to lock again.
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if (results_.find(handle) != results_.end()) {
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result = results_[handle];
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results_.erase(handle);
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resultsPending_.erase(handle);
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if (result.invalidateAddr && result.result > 0) {
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currentMIPS->InvalidateICache(result.invalidateAddr, (int)result.result);
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}
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return true;
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} else {
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return false;
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}
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}
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bool AsyncIOManager::ReadResult(u32 handle, AsyncIOResult &result) {
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// This is called under lock from WaitResult, no need to lock again.
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if (results_.find(handle) != results_.end()) {
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result = results_[handle];
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return true;
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} else {
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return false;
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}
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}
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bool AsyncIOManager::WaitResult(u32 handle, AsyncIOResult &result) {
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std::unique_lock<std::mutex> guard(resultsLock_);
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ScheduleEvent(IO_EVENT_SYNC);
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while (HasEvents() && ThreadEnabled() && resultsPending_.find(handle) != resultsPending_.end()) {
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if (PopResult(handle, result)) {
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return true;
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}
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resultsWait_.wait_for(guard, std::chrono::milliseconds(16));
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}
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return PopResult(handle, result);
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}
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u64 AsyncIOManager::ResultFinishTicks(u32 handle) {
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AsyncIOResult result;
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std::unique_lock<std::mutex> guard(resultsLock_);
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ScheduleEvent(IO_EVENT_SYNC);
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while (HasEvents() && ThreadEnabled() && resultsPending_.find(handle) != resultsPending_.end()) {
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if (ReadResult(handle, result)) {
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return result.finishTicks;
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}
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resultsWait_.wait_for(guard, std::chrono::milliseconds(16));
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}
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if (ReadResult(handle, result)) {
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return result.finishTicks;
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}
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return 0;
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}
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void AsyncIOManager::ProcessEvent(AsyncIOEvent ev) {
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switch (ev.type) {
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case IO_EVENT_READ:
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Read(ev.handle, ev.buf, ev.bytes, ev.invalidateAddr);
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break;
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case IO_EVENT_WRITE:
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Write(ev.handle, ev.buf, ev.bytes);
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break;
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default:
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ERROR_LOG_REPORT(Log::sceIo, "Unsupported IO event type");
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}
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}
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void AsyncIOManager::Read(u32 handle, u8 *buf, size_t bytes, u32 invalidateAddr) {
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int usec = 0;
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s64 result = pspFileSystem.ReadFile(handle, buf, bytes, usec);
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EventResult(handle, AsyncIOResult(result, usec, invalidateAddr));
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}
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void AsyncIOManager::Write(u32 handle, const u8 *buf, size_t bytes) {
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int usec = 0;
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s64 result = pspFileSystem.WriteFile(handle, buf, bytes, usec);
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EventResult(handle, AsyncIOResult(result, usec));
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}
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void AsyncIOManager::EventResult(u32 handle, const AsyncIOResult &result) {
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std::lock_guard<std::mutex> guard(resultsLock_);
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if (results_.find(handle) != results_.end()) {
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ERROR_LOG_REPORT(Log::sceIo, "Overwriting previous result for file action on handle %d", handle);
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}
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results_[handle] = result;
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resultsWait_.notify_one();
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}
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void AsyncIOManager::DoState(PointerWrap &p) {
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auto s = p.Section("AsyncIoManager", 1, 2);
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if (!s)
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return;
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SyncThread();
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std::lock_guard<std::mutex> guard(resultsLock_);
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Do(p, resultsPending_);
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if (s >= 2) {
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Do(p, results_);
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} else {
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std::map<u32, size_t> oldResults;
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Do(p, oldResults);
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for (auto it = oldResults.begin(), end = oldResults.end(); it != end; ++it) {
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results_[it->first] = AsyncIOResult(it->second);
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}
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}
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}
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