diff options
Diffstat (limited to 'backends')
| -rw-r--r-- | backends/fs/psp/psp-fs-factory.cpp | 8 | ||||
| -rw-r--r-- | backends/fs/psp/psp-fs.cpp | 62 | ||||
| -rw-r--r-- | backends/fs/psp/psp-stream.cpp | 230 | ||||
| -rw-r--r-- | backends/fs/psp/psp-stream.h | 70 | ||||
| -rw-r--r-- | backends/module.mk | 1 | ||||
| -rw-r--r-- | backends/platform/psp/Makefile | 5 | ||||
| -rw-r--r-- | backends/platform/psp/module.mk | 1 | ||||
| -rw-r--r-- | backends/platform/psp/osys_psp.cpp | 1 | ||||
| -rw-r--r-- | backends/platform/psp/osys_psp.h | 5 | ||||
| -rw-r--r-- | backends/platform/psp/powerman.cpp | 297 | ||||
| -rw-r--r-- | backends/platform/psp/powerman.h | 87 | ||||
| -rw-r--r-- | backends/platform/psp/psp.spec | 2 | ||||
| -rw-r--r-- | backends/platform/psp/psp_main.cpp | 29 |
13 files changed, 784 insertions, 14 deletions
diff --git a/backends/fs/psp/psp-fs-factory.cpp b/backends/fs/psp/psp-fs-factory.cpp index 27bee4de86..7ed84de034 100644 --- a/backends/fs/psp/psp-fs-factory.cpp +++ b/backends/fs/psp/psp-fs-factory.cpp @@ -34,7 +34,13 @@ AbstractFSNode *PSPFilesystemFactory::makeRootFileNode() const { AbstractFSNode *PSPFilesystemFactory::makeCurrentDirectoryFileNode() const { char buf[MAXPATHLEN]; - return getcwd(buf, MAXPATHLEN) ? new PSPFilesystemNode(buf) : NULL; + char * ret = 0; + + PowerMan.beginCriticalSection(); + ret = getcwd(buf, MAXPATHLEN); + PowerMan.endCriticalSection(); + + return (ret ? new PSPFilesystemNode(buf) : NULL); } AbstractFSNode *PSPFilesystemFactory::makeFileNodePath(const Common::String &path) const { diff --git a/backends/fs/psp/psp-fs.cpp b/backends/fs/psp/psp-fs.cpp index f5ff65c9fa..03247e86ad 100644 --- a/backends/fs/psp/psp-fs.cpp +++ b/backends/fs/psp/psp-fs.cpp @@ -26,7 +26,8 @@ #include "engines/engine.h" #include "backends/fs/abstract-fs.h" -#include "backends/fs/stdiostream.h" +#include "backends/fs/psp/psp-stream.h" +#include "backends/platform/psp/powerman.h" #include <sys/stat.h> #include <unistd.h> @@ -35,6 +36,9 @@ #define ROOT_PATH "ms0:/" +#include "backends/platform/psp/trace.h" + + /** * Implementation of the ScummVM file system API based on PSPSDK API. * @@ -61,13 +65,13 @@ public: */ PSPFilesystemNode(const Common::String &p, bool verify = true); - virtual bool exists() const { return access(_path.c_str(), F_OK) == 0; } + virtual bool exists() const; virtual Common::String getDisplayName() const { return _displayName; } virtual Common::String getName() const { return _displayName; } virtual Common::String getPath() const { return _path; } virtual bool isDirectory() const { return _isDirectory; } - virtual bool isReadable() const { return access(_path.c_str(), R_OK) == 0; } - virtual bool isWritable() const { return access(_path.c_str(), W_OK) == 0; } + virtual bool isReadable() const; + virtual bool isWritable() const; virtual AbstractFSNode *getChild(const Common::String &n) const; virtual bool getChildren(AbstractFSList &list, ListMode mode, bool hidden) const; @@ -94,11 +98,44 @@ PSPFilesystemNode::PSPFilesystemNode(const Common::String &p, bool verify) { if (verify) { struct stat st; + PowerMan.beginCriticalSection(); _isValid = (0 == stat(_path.c_str(), &st)); + PowerMan.endCriticalSection(); _isDirectory = S_ISDIR(st.st_mode); } } +bool PSPFilesystemNode::exists() const { + int ret = 0; + + PowerMan.beginCriticalSection(); // Make sure to block in case of suspend + ret = access(_path.c_str(), F_OK); + PowerMan.endCriticalSection(); + + return ret == 0; +} + +bool PSPFilesystemNode::isReadable() const { + int ret = 0; + + PowerMan.beginCriticalSection(); // Make sure to block in case of suspend + ret = access(_path.c_str(), R_OK); + PowerMan.endCriticalSection(); + + return ret == 0; +} + +bool PSPFilesystemNode::isWritable() const { + int ret = 0; + + PowerMan.beginCriticalSection(); // Make sure to block in case of suspend + ret = access(_path.c_str(), W_OK); + PowerMan.endCriticalSection(); + + return ret == 0; +} + + AbstractFSNode *PSPFilesystemNode::getChild(const Common::String &n) const { // FIXME: Pretty lame implementation! We do no error checking to speak // of, do not check if this is a special node, etc. @@ -117,6 +154,10 @@ bool PSPFilesystemNode::getChildren(AbstractFSList &myList, ListMode mode, bool //TODO: honor the hidden flag + bool ret = true; + + PowerMan.beginCriticalSection(); // Make sure to block in case of suspend + int dfd = sceIoDopen(_path.c_str()); if (dfd > 0) { SceIoDirent dir; @@ -149,10 +190,13 @@ bool PSPFilesystemNode::getChildren(AbstractFSList &myList, ListMode mode, bool } sceIoDclose(dfd); - return true; - } else { - return false; + ret = true; + } else { // dfd <= 0 + ret = false; } + + PowerMan.endCriticalSection(); + return ret; } AbstractFSNode *PSPFilesystemNode::getParent() const { @@ -166,11 +210,11 @@ AbstractFSNode *PSPFilesystemNode::getParent() const { } Common::SeekableReadStream *PSPFilesystemNode::createReadStream() { - return StdioStream::makeFromPath(getPath().c_str(), false); + return PSPIoStream::makeFromPath(getPath(), false); } Common::WriteStream *PSPFilesystemNode::createWriteStream() { - return StdioStream::makeFromPath(getPath().c_str(), true); + return PSPIoStream::makeFromPath(getPath(), true); } #endif //#ifdef __PSP__ diff --git a/backends/fs/psp/psp-stream.cpp b/backends/fs/psp/psp-stream.cpp new file mode 100644 index 0000000000..fac4067f46 --- /dev/null +++ b/backends/fs/psp/psp-stream.cpp @@ -0,0 +1,230 @@ +/* ScummVM - Graphic Adventure Engine + * + * ScummVM is the legal property of its developers, whose names + * are too numerous to list here. Please refer to the COPYRIGHT + * file distributed with this source distribution. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * + * $URL$ + * $Id$ + * + */ +#ifdef __PSP__ + +#include "backends/fs/psp/psp-stream.h" +#include "backends/platform/psp/trace.h" +#include <errno.h> + +PSPIoStream::PSPIoStream(const Common::String &path, bool writeMode) +: StdioStream((void *)1), _path(path), _writeMode(writeMode) { + + assert(!path.empty()); + + _handle = (void *)0; // Need to do this since base class asserts not 0. + + PowerMan.registerSuspend(this); // Register with the powermanager to be suspended + +} + +PSPIoStream::~PSPIoStream() { + PowerMan.unregisterSuspend(this); // Unregister with powermanager to be suspended + // Must do this before fclose() or resume() will reopen. + + fclose((FILE *)_handle); +} + +// Function to open the file pointed to by the path. +// +// +void * PSPIoStream::open() { + if (PowerMan.beginCriticalSection()==PowerManager::Blocked) { + // No need to open. Just return the _handle resume() already opened. + PSPDebugTrace("Suspended in PSPIoStream::open\n"); + } else { + _handle = fopen(_path.c_str(), _writeMode ? "wb" : "rb"); // open + } + + PowerMan.endCriticalSection(); + + return _handle; +} + +bool PSPIoStream::err() const { + bool ret; + + if (PowerMan.beginCriticalSection() == PowerManager::Blocked) + PSPDebugTrace("Suspended in PSPIoStream::err()\n"); + + ret = ferror((FILE *)_handle) != 0; + + PowerMan.endCriticalSection(); + + return ret; +} + +void PSPIoStream::clearErr() { + if (PowerMan.beginCriticalSection() == PowerManager::Blocked) + PSPDebugTrace("Suspended in PSPIoStream::clearErr()\n"); + + clearerr((FILE *)_handle); + + PowerMan.endCriticalSection(); +} + +bool PSPIoStream::eos() const { + bool ret; + + if (PowerMan.beginCriticalSection() == PowerManager::Blocked) + PSPDebugTrace("Suspended in PSPIoStream::eos()\n"); + + ret = feof((FILE *)_handle) != 0; + + PowerMan.endCriticalSection(); + + return ret; +} + +int32 PSPIoStream::pos() const { + int32 ret; + + if (PowerMan.beginCriticalSection() == PowerManager::Blocked) + PSPDebugTrace("Suspended in PSPIoStream::pos()\n"); + + ret = ftell((FILE *)_handle); + + PowerMan.endCriticalSection(); + + return ret; +} + + +int32 PSPIoStream::size() const { + if (PowerMan.beginCriticalSection() == PowerManager::Blocked) + PSPDebugTrace("Suspended in PSPIoStream::size()\n"); + + int32 oldPos = ftell((FILE *)_handle); + fseek((FILE *)_handle, 0, SEEK_END); + int32 length = ftell((FILE *)_handle); + fseek((FILE *)_handle, oldPos, SEEK_SET); + + PowerMan.endCriticalSection(); + + return length; +} + +bool PSPIoStream::seek(int32 offs, int whence) { + int ret = 0; + + // Check if we can access the file + if (PowerMan.beginCriticalSection() == PowerManager::Blocked) + PSPDebugTrace("Suspended in PSPIoStream::seek()\n"); + + ret = fseek((FILE *)_handle, offs, whence); + + PowerMan.endCriticalSection(); + + return ret == 0; +} + +uint32 PSPIoStream::read(void *ptr, uint32 len) { + int ret = 0; + + // Check if we can access the file + if (PowerMan.beginCriticalSection() == PowerManager::Blocked) + PSPDebugTrace("Suspended in PSPIoStream::read()\n"); + + ret = fread((byte *)ptr, 1, len, (FILE *)_handle); + + PowerMan.endCriticalSection(); + + return ret; +} + +uint32 PSPIoStream::write(const void *ptr, uint32 len) { + int ret = 0; + + // Check if we can access the file + if (PowerMan.beginCriticalSection() == PowerManager::Blocked) + PSPDebugTrace("Suspended in PSPIoStream::read()\n"); + + ret = fwrite(ptr, 1, len, (FILE *)_handle); + + PowerMan.endCriticalSection(); + + return ret; +} + +bool PSPIoStream::flush() { + int ret = 0; + + // Check if we can access the file + if (PowerMan.beginCriticalSection() == PowerManager::Blocked) + PSPDebugTrace("Suspended in PSPIoStream::read()\n"); + + ret = fflush((FILE *)_handle); + + PowerMan.endCriticalSection(); + + return ret == 0; +} + +// For the PSP, since we're building in suspend support, we moved opening +// the actual file to an open function since we need an actual PSPIoStream object to suspend. +// +PSPIoStream *PSPIoStream::makeFromPath(const Common::String &path, bool writeMode) { + PSPIoStream *stream = new PSPIoStream(path, writeMode); + + if (stream->open() > 0) { + return stream; + } else { + delete stream; + return 0; + } +} + +/* + * Function to suspend the IO stream (called by PowerManager) + */ +int PSPIoStream::suspend() { + if (_handle > 0) { + _pos = ftell((FILE *)_handle); // Save our position + fclose((FILE *)_handle); // close our file descriptor + _handle = 0; // Set handle to null + } + + return 0; +} + +/* + * Function to resume the IO stream (called by Power Manager) + */ +int PSPIoStream::resume() { + int ret = 0; + + // We reopen our file descriptor + _handle = fopen(_path.c_str(), _writeMode ? "wb" : "rb"); + if (_handle <= 0) { + PSPDebugTrace("PSPIoStream::resume(): Couldn't reopen file %s\n", _path.c_str()); + ret = -1;; + } + + // Resume our previous position + if(_handle > 0) fseek((FILE *)_handle, _pos, SEEK_SET); + + return ret; +} + +#endif /* __PSP__ */ diff --git a/backends/fs/psp/psp-stream.h b/backends/fs/psp/psp-stream.h new file mode 100644 index 0000000000..0363c92416 --- /dev/null +++ b/backends/fs/psp/psp-stream.h @@ -0,0 +1,70 @@ +/* ScummVM - Graphic Adventure Engine + * + * ScummVM is the legal property of its developers, whose names + * are too numerous to list here. Please refer to the COPYRIGHT + * file distributed with this source distribution. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * + * $URL$ + * $Id$ + * + */ + +#ifndef PSPSTREAM_H_ +#define PSPSTREAM_H_ + +#include "backends/fs/stdiostream.h" +#include "backends/platform/psp/powerman.h" +#include "common/list.h" + +/* + * Class to handle special suspend/resume needs of PSP IO Streams + */ +class PSPIoStream : public StdioStream, public Suspendable { +protected: + Common::String _path; /* Need to maintain for reopening after suspend */ + bool _writeMode; /* "" */ + unsigned int _pos; /* "" */ + +public: + /** + * Given a path, invoke fopen on that path and wrap the result in a + * PSPIoStream instance. + */ + static PSPIoStream *makeFromPath(const Common::String &path, bool writeMode); + + PSPIoStream(const Common::String &path, bool writeMode); + virtual ~PSPIoStream(); + + void * open(); // open the file pointed to by the file path + + bool err() const; + void clearErr(); + bool eos() const; + + virtual uint32 write(const void *dataPtr, uint32 dataSize); + virtual bool flush(); + + virtual int32 pos() const; + virtual int32 size() const; + virtual bool seek(int32 offs, int whence = SEEK_SET); + virtual uint32 read(void *dataPtr, uint32 dataSize); + + int suspend(); /* Suspendable interface (power manager) */ + int resume(); /* " " */ +}; + +#endif /* PSPSTREAM_H_ */ diff --git a/backends/module.mk b/backends/module.mk index f3294c5dc6..42fbeb07eb 100644 --- a/backends/module.mk +++ b/backends/module.mk @@ -11,6 +11,7 @@ MODULE_OBJS := \ fs/posix/posix-fs-factory.o \ fs/ps2/ps2-fs-factory.o \ fs/psp/psp-fs-factory.o \ + fs/psp/psp-stream.o \ fs/symbian/symbian-fs-factory.o \ fs/windows/windows-fs-factory.o \ fs/wii/wii-fs-factory.o \ diff --git a/backends/platform/psp/Makefile b/backends/platform/psp/Makefile index 91a0c60bd6..ad22a853e1 100644 --- a/backends/platform/psp/Makefile +++ b/backends/platform/psp/Makefile @@ -75,12 +75,13 @@ LIBS += -lmad CXXFLAGS+= -DUSE_VORBIS -DUSE_TREMOR LIBS += -lvorbisidec -LIBS += `$(PSPBIN)/sdl-config --libs` -lz -lstdc++ -lc -lpspdisplay -lpspgu -lpspctrl -lpspsdk -lpspnet -lpspnet_inet -lpsputility -lpspsdk -lpspuser +LIBS += `$(PSPBIN)/sdl-config --libs` -lz -lstdc++ -lc -lpspdisplay -lpspgu -lpspctrl -lpspsdk -lpspnet -lpspnet_inet -lpsputility -lpspuser -lpsppower CXXFLAGS := $(CXXFLAGS) -fno-exceptions -fno-rtti TARGET = scummvm-psp -OBJS := psp_main.o \ +OBJS := powerman.o \ + psp_main.o \ osys_psp.o \ osys_psp_gu.o \ kbd_ss_c.o \ diff --git a/backends/platform/psp/module.mk b/backends/platform/psp/module.mk index afe9a23f58..8f083c5dfa 100644 --- a/backends/platform/psp/module.mk +++ b/backends/platform/psp/module.mk @@ -1,6 +1,7 @@ MODULE := backends/platform/psp MODULE_OBJS := \ + powerman.o \ psp_main.o \ osys_psp.o \ osys_psp_gu.o \ diff --git a/backends/platform/psp/osys_psp.cpp b/backends/platform/psp/osys_psp.cpp index 45be0a0cd3..8a7a0af0ed 100644 --- a/backends/platform/psp/osys_psp.cpp +++ b/backends/platform/psp/osys_psp.cpp @@ -430,6 +430,7 @@ bool OSystem_PSP::pollEvent(Common::Event &event) { } else if (buttonsChanged & PSP_CTRL_START) { event.kbd.keycode = Common::KEYCODE_F5; event.kbd.ascii = Common::ASCII_F5; + event.kbd.flags = Common::KBD_CTRL; // Main menu to allow RTL /* } else if (buttonsChanged & PSP_CTRL_SELECT) { event.kbd.keycode = Common::KEYCODE_0; event.kbd.ascii = '0'; diff --git a/backends/platform/psp/osys_psp.h b/backends/platform/psp/osys_psp.h index 34957b293c..46607dac34 100644 --- a/backends/platform/psp/osys_psp.h +++ b/backends/platform/psp/osys_psp.h @@ -23,6 +23,9 @@ * */ +#ifndef OSYS_PSP_H +#define OSYS_PSP_H + #include "common/scummsys.h" #include "graphics/surface.h" #include "graphics/colormasks.h" @@ -144,3 +147,5 @@ public: virtual Common::WriteStream *createConfigWriteStream(); }; + +#endif /* OSYS_PSP_H */ diff --git a/backends/platform/psp/powerman.cpp b/backends/platform/psp/powerman.cpp new file mode 100644 index 0000000000..c553669fc3 --- /dev/null +++ b/backends/platform/psp/powerman.cpp @@ -0,0 +1,297 @@ +/* ScummVM - Graphic Adventure Engine + * + * ScummVM is the legal property of its developers, whose names + * are too numerous to list here. Please refer to the COPYRIGHT + * file distributed with this source distribution. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * + * $URL$ + * $Id$ + * + */ + +#include "./powerman.h" +#include "./trace.h" + +DECLARE_SINGLETON(PowerManager); + + /******************************************* +* +* Constructor +* +********************************************/ +PowerManager::PowerManager() { + _flagMutex = NULL; /* Init mutex handle */ + _listMutex = NULL; /* Init mutex handle */ + _condSuspendable = NULL; /* Init condition variable */ + _condPM = NULL; + + _condSuspendable = SDL_CreateCond(); + if (_condSuspendable <= 0) { + PSPDebugTrace("PowerManager::PowerManager(): Couldn't create condSuspendable\n"); + } + + _condPM = SDL_CreateCond(); + if (_condPM <= 0) { + PSPDebugTrace("PowerManager::PowerManager(): Couldn't create condPM\n"); + } + + _flagMutex = SDL_CreateMutex(); + if (_flagMutex <= 0) { + PSPDebugTrace("PowerManager::PowerManager(): Couldn't create flagMutex\n"); + } + + _listMutex = SDL_CreateMutex(); + if (_listMutex <= 0) { + PSPDebugTrace("PowerManager::PowerManager(): Couldn't create listMutex\n"); + } + + _suspendFlag = false; + _criticalCounter = 0; + } + +/******************************************* +* +* Function to register to be notified when suspend/resume time comes +* +********************************************/ +int PowerManager::registerSuspend(Suspendable *item) { + // Register in list + PSPDebugTrace("In registerSuspend\n"); + + if (SDL_mutexP(_listMutex) != 0) { + PSPDebugTrace("PowerManager::registerSuspend(): Couldn't lock _listMutex %d\n", _listMutex); + } + + _suspendList.push_front(item); + + if (SDL_mutexV(_listMutex) != 0) { + PSPDebugTrace("PowerManager::registerSuspend(): Couldn't unlock _listMutex %d\n", _listMutex); + } + + PSPDebugTrace("Out of registerSuspend\n"); + + return 0; +} + +/******************************************* +* +* Function to unregister to be notified when suspend/resume time comes +* +********************************************/ +int PowerManager::unregisterSuspend(Suspendable *item) { + + PSPDebugTrace("In unregisterSuspend\n"); + + // Unregister from stream list + if (SDL_mutexP(_listMutex) != 0) { + PSPDebugTrace("PowerManager::unregisterSuspend(): Couldn't unlock _listMutex %d\n", _listMutex); + } + + _suspendList.remove(item); + + if (SDL_mutexV(_listMutex) != 0) { + PSPDebugTrace("PowerManager::unregisterSuspend(): Couldn't unlock _listMutex %d\n", _listMutex); + } + + PSPDebugTrace("Out of unregisterSuspend\n"); + + return 0; + } + + /******************************************* +* +* Destructor +* +********************************************/ + PowerManager::~PowerManager() { + SDL_DestroyCond(_condSuspendable); + _condSuspendable = 0; + + SDL_DestroyCond(_condPM); + _condPM = 0; + + SDL_DestroyMutex(_flagMutex); + _flagMutex = 0; + + SDL_DestroyMutex(_listMutex); + _listMutex = 0; + } + + + /******************************************* +* +* Function to be called by threads wanting to block on the PSP entering suspend +* +********************************************/ + int PowerManager::blockOnSuspend() { + return beginCriticalSection(true); +} + + /* + * Function to block on a suspend, then start a non-suspendable critical section + */ +int PowerManager::beginCriticalSection(bool justBlock) { + int ret = PowerManager::NotBlocked; + + if (SDL_mutexP(_flagMutex) != 0) { + PSPDebugTrace("PowerManager::blockOnSuspend(): Couldn't lock flagMutex %d\n", _flagMutex); + ret = PowerManager::Error; + } + + // Check the access flag + if (_suspendFlag == true) { + PSPDebugTrace("Blocking!!\n"); + ret = PowerManager::Blocked; + + // If it's true, we wait for a signal to continue + if( SDL_CondWait(_condSuspendable, _flagMutex) != 0) { + PSPDebugTrace("PowerManager::blockOnSuspend(): Couldn't wait on cond %d\n", _condSuspendable); + } + + PSPDebugTrace("We got blocked!!\n"); + } + + // Now put the pm to sleep + if (justBlock == false) + _criticalCounter++; + + if (SDL_mutexV(_flagMutex) != 0) { + PSPDebugTrace("PowerManager::blockOnSuspend(): Couldn't unlock flagMutex %d\n", _flagMutex); + ret = PowerManager::Error; + } + + return ret; +} + +int PowerManager::endCriticalSection() { + int ret = 0; + + if (SDL_mutexP(_flagMutex) != 0) { + PSPDebugTrace("PowerManager::endCriticalSection(): Couldn't lock flagMutex %d\n", _flagMutex); + ret = PowerManager::Error; + } + + // We're done with our critical section + _criticalCounter--; + + if (_criticalCounter <= 0) { + if(_suspendFlag == true) PSPDebugTrace("Waking up the PM and suspendFlag is true\n"); + + SDL_CondBroadcast(_condPM); + + if (_criticalCounter < 0) { + PSPDebugTrace("PowerManager::endCriticalSection(): Error! Critical counter is %d\n", _criticalCounter); + } + } + + if (SDL_mutexV(_flagMutex) != 0) { + PSPDebugTrace("PowerManager::endCriticalSection(): Couldn't unlock flagMutex %d\n", _flagMutex); + ret = PowerManager::Error; + } + + return ret; +} + + /******************************************* +* +* Callback function to be called to put every Suspendable to suspend +* +********************************************/ +int PowerManager::suspend() { + int ret = 0; + + // First we set the suspend flag to true + if (SDL_mutexP(_flagMutex) != 0) { + PSPDebugTrace("PowerManager::suspend(): Couldn't lock flagMutex %d\n", _flagMutex); + ret = -1; + } + + _suspendFlag = true; + + if (_criticalCounter > 0) + SDL_CondWait(_condPM, _flagMutex); + + if (SDL_mutexV(_flagMutex) != 0) { + PSPDebugTrace("PowerManager::suspend(): Couldn't unlock flagMutex %d\n", _flagMutex); + ret = -1; + } + + // Loop over list, calling suspend() + if (SDL_mutexP(_listMutex) != 0) { + PSPDebugTrace("PowerManager::suspend(): Couldn't lock listMutex %d\n", _listMutex); + ret = -1; + } + + Common::List<Suspendable *>::iterator i = _suspendList.begin(); + + for (; i != _suspendList.end(); i++) { + (*i)->suspend(); + } + + if (SDL_mutexV(_listMutex) != 0) { + PSPDebugTrace("PowerManager::suspend(): Couldn't unlock listMutex %d\n", _listMutex); + ret = -1; + } + + return ret; +} + +/******************************************* +* +* Callback function to resume every Suspendable +* +********************************************/ +int PowerManager::resume() { + int ret = 0; + + // First we notify our Suspendables. Loop over list, calling resume() + if (SDL_mutexP(_listMutex) != 0) { + PSPDebugTrace("PowerManager::resume(): Couldn't lock listMutex %d\n", _listMutex); + ret = -1; + } + + Common::List<Suspendable *>::iterator i = _suspendList.begin(); + + for (; i != _suspendList.end(); i++) { + (*i)->resume(); + } + + if (SDL_mutexV(_listMutex) != 0) { + PSPDebugTrace("PowerManager::resume(): Couldn't unlock listMutex %d\n", _listMutex); + ret = -1; + } + + // Now we set the suspend flag to false + if (SDL_mutexP(_flagMutex) != 0) { + PSPDebugTrace("PowerManager::resume(): Couldn't lock flagMutex %d\n", _flagMutex); + ret = -1; + } + _suspendFlag = false; + + // Signal the other threads to wake up + if (SDL_CondBroadcast(_condSuspendable) != 0) { + PSPDebugTrace("PowerManager::resume(): Couldn't broadcast condition %d\n", _condSuspendable); + ret = -1; + } + + if (SDL_mutexV(_flagMutex) != 0) { + PSPDebugTrace("PowerManager::resume(): Couldn't unlock flagMutex %d\n", _flagMutex); + ret = -1; + } + + return ret; +} diff --git a/backends/platform/psp/powerman.h b/backends/platform/psp/powerman.h new file mode 100644 index 0000000000..0a5f7a2361 --- /dev/null +++ b/backends/platform/psp/powerman.h @@ -0,0 +1,87 @@ +/* ScummVM - Graphic Adventure Engine + * + * ScummVM is the legal property of its developers, whose names + * are too numerous to list here. Please refer to the COPYRIGHT + * file distributed with this source distribution. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * + * $URL$ + * $Id$ + * + */ + +#ifndef POWERMAN_H +#define POWERMAN_H + +#include <SDL/SDL_thread.h> +#include <SDL/SDL_mutex.h> +#include "common/singleton.h" +#include "common/list.h" + + /* + * Implement this class (interface) if you want to use PowerManager's suspend callback functionality + * + */ + class Suspendable { + public: + virtual ~Suspendable() {} + virtual int suspend() = 0; + virtual int resume() = 0; + }; + + /****************************************************************************************************** + * + * This class will call a Suspendable when the PSP goes to suspend/resumes. It also provides the ability to block + * a thread when the PSP is going to suspend/suspending, and to wake it up when the PSP is resumed. + * This ability is very useful for managing the PSPIoStream class, but may be found useful by other classes as well. + * + *******************************************************************************************************/ + class PowerManager: public Common::Singleton<PowerManager> { +private: + friend class Common::Singleton<PowerManager>; + PowerManager(); + ~PowerManager(); + + Common::List<Suspendable *> _suspendList; /* list to register in */ + + bool _suspendFlag; /* protected variable */ + SDL_mutex *_flagMutex; /* mutex to access access flag */ + SDL_mutex *_listMutex; /* mutex to access Suspendable list */ + SDL_cond *_condSuspendable; /* signal to synchronize accessing threads */ + SDL_cond *_condPM; /* signal to wake up the PM from a critical section */ + int _criticalCounter; /* Counter of how many threads are in a critical section */ + +public: + int blockOnSuspend(); /* block if suspending */ + int beginCriticalSection(bool justBlock = false); /* Use a critical section to block (if suspend was already pressed) */ + int endCriticalSection(); /* and to prevent the PSP from suspending in a particular section */ + int registerSuspend(Suspendable *item); /* register to be called to suspend/resume */ + int unregisterSuspend(Suspendable *item); /* remove from suspend/resume list */ + int suspend(); /* callback to have all items in list suspend */ + int resume(); /* callback to have all items in list resume */ + + enum { + Error = -1, + NotBlocked = 0, + Blocked = 1 + }; + + }; + + // For easy access +#define PowerMan PowerManager::instance() + + #endif /* POWERMAN_H */ diff --git a/backends/platform/psp/psp.spec b/backends/platform/psp/psp.spec index 807b8f93b7..e319b022f7 100644 --- a/backends/platform/psp/psp.spec +++ b/backends/platform/psp/psp.spec @@ -1,3 +1,3 @@ %rename lib old_lib *lib: -%(old_lib) -lpspdebug -lpspgu -lpspctrl -lpspge -lpspdisplay -lpsphprm -lpspsdk -lpsprtc -lpspaudio -lc -lpspuser -lpsputility -lpspkernel -lpspnet_inet -lz -lstdc++ -lc -lpspdisplay -lpspgu -lpspctrl -lpspsdk -lpspnet -lpspnet_inet -lpsputility -lpspsdk -lpspuser +%(old_lib) -lpspdebug -lpspgu -lpspctrl -lpspge -lpspdisplay -lpsphprm -lpspsdk -lpsprtc -lpspaudio -lc -lpspuser -lpsputility -lpspkernel -lpspnet_inet -lz -lstdc++ -lc -lpspdisplay -lpspgu -lpspctrl -lpspsdk -lpspnet -lpspnet_inet -lpsputility -lpspuser -lpsppower diff --git a/backends/platform/psp/psp_main.cpp b/backends/platform/psp/psp_main.cpp index 0af7ebf269..37080c7bf9 100644 --- a/backends/platform/psp/psp_main.cpp +++ b/backends/platform/psp/psp_main.cpp @@ -31,10 +31,14 @@ #include <pspdebug.h> #endif +#include <psppower.h> + #include <common/system.h> #include <engines/engine.h> #include <base/main.h> #include <base/plugins.h> +#include "backends/platform/psp/powerman.h" + #include "osys_psp_gu.h" #include "./trace.h" @@ -91,17 +95,36 @@ void loaderInit() { #endif /* Exit callback */ -SceKernelCallbackFunction exit_callback(int /*arg1*/, int /*arg2*/, void * /*common*/) { +int exit_callback(void) { sceKernelExitGame(); return 0; } +/* Function for handling suspend/resume */ +void power_callback(int , int powerinfo) { + if (powerinfo & PSP_POWER_CB_POWER_SWITCH || powerinfo & PSP_POWER_CB_SUSPENDING) { + PowerMan.suspend(); + } else if (powerinfo & PSP_POWER_CB_RESUME_COMPLETE) { + PowerMan.resume(); + } +} + /* Callback thread */ int CallbackThread(SceSize /*size*/, void *arg) { int cbid; cbid = sceKernelCreateCallback("Exit Callback", (SceKernelCallbackFunction)exit_callback, NULL); sceKernelRegisterExitCallback(cbid); + /* Set up callbacks for PSPIoStream */ + + cbid = sceKernelCreateCallback("Power Callback", (SceKernelCallbackFunction)power_callback, 0); + if (cbid >= 0) { + if(scePowerRegisterCallback(-1, cbid) < 0) { + PSPDebugTrace("SetupCallbacks(): Couldn't register callback for power_callback\n"); + } + } else { + PSPDebugTrace("SetupCallbacks(): Couldn't create a callback for power_callback\n"); + } sceKernelSleepThreadCB(); return 0; @@ -119,6 +142,8 @@ int SetupCallbacks(void) { #undef main int main(void) { + PowerManager::instance(); // Setup power manager + SetupCallbacks(); static const char *argv[] = { "scummvm", NULL }; @@ -131,6 +156,8 @@ int main(void) { g_system->quit(); // TODO: Consider removing / replacing this! + PowerManager::destroy(); // get rid of PowerManager + sceKernelSleepThread(); return res; |