mirror of
https://github.com/libretro/scummvm.git
synced 2025-01-08 10:51:11 +00:00
171 lines
4.3 KiB
C++
171 lines
4.3 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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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 for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* $URL$
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* $Id$
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*
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*/
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#define USERSPACE_ONLY //don't use kernel mode features
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#ifndef USERSPACE_ONLY
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#include <pspkernel.h>
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#include <pspdebug.h>
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#endif
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#include <psppower.h>
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#include <common/system.h>
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#include <engines/engine.h>
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#include <base/main.h>
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#include <base/plugins.h>
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#include "backends/platform/psp/powerman.h"
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#include "backends/plugins/psp/psp-provider.h"
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#include "osys_psp.h"
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#include "./trace.h"
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/**
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* Define the module info section
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*
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* 2nd arg must 0x1000 so __init is executed in
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* kernelmode for our loaderInit function
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*/
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#ifndef USERSPACE_ONLY
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PSP_MODULE_INFO("SCUMMVM-PSP", 0x1000, 1, 1);
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#else
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PSP_MODULE_INFO("SCUMMVM-PSP", 0, 1, 1);
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#endif
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/**
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* THREAD_ATTR_USER causes the thread that the startup
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* code (crt0.c) starts this program in to be in usermode
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* even though the module was started in kernelmode
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*/
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PSP_MAIN_THREAD_ATTR(THREAD_ATTR_USER | THREAD_ATTR_VFPU);
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PSP_HEAP_SIZE_KB(-128); //Leave 128kb for thread stacks, etc.
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#ifndef USERSPACE_ONLY
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void MyExceptionHandler(PspDebugRegBlock *regs) {
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/* Do normal initial dump, setup screen etc */
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pspDebugScreenInit();
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pspDebugScreenSetBackColor(0x00FF0000);
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pspDebugScreenSetTextColor(0xFFFFFFFF);
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pspDebugScreenClear();
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pspDebugScreenPrintf("Exception Details:\n");
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pspDebugDumpException(regs);
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while (1) ;
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}
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/**
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* Function that is called from _init in kernelmode before the
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* main thread is started in usermode.
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*/
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__attribute__ ((constructor))
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void loaderInit() {
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pspKernelSetKernelPC();
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pspDebugInstallErrorHandler(MyExceptionHandler);
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}
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#endif
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/* Exit callback */
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int exit_callback(void) {
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sceKernelExitGame();
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return 0;
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}
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/* Function for handling suspend/resume */
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void power_callback(int , int powerinfo) {
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if (powerinfo & PSP_POWER_CB_POWER_SWITCH || powerinfo & PSP_POWER_CB_SUSPENDING) {
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PowerMan.suspend();
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} else if (powerinfo & PSP_POWER_CB_RESUME_COMPLETE) {
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PowerMan.resume();
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}
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}
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/* Callback thread */
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int CallbackThread(SceSize /*size*/, void *arg) {
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int cbid;
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cbid = sceKernelCreateCallback("Exit Callback", (SceKernelCallbackFunction)exit_callback, NULL);
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sceKernelRegisterExitCallback(cbid);
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/* Set up callbacks for PSPIoStream */
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cbid = sceKernelCreateCallback("Power Callback", (SceKernelCallbackFunction)power_callback, 0);
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if (cbid >= 0) {
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if (scePowerRegisterCallback(-1, cbid) < 0) {
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PSPDebugTrace("SetupCallbacks(): Couldn't register callback for power_callback\n");
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}
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} else {
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PSPDebugTrace("SetupCallbacks(): Couldn't create a callback for power_callback\n");
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}
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sceKernelSleepThreadCB();
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return 0;
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}
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/* Sets up the callback thread and returns its thread id */
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int SetupCallbacks(void) {
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int thid = sceKernelCreateThread("update_thread", CallbackThread, 0x11, 0xFA0, THREAD_ATTR_USER, 0);
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if (thid >= 0) {
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sceKernelStartThread(thid, 0, 0);
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}
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return thid;
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}
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#undef main
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int main(void) {
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//change clock rate to 333mhz
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scePowerSetClockFrequency(333, 333, 166);
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PowerManager::instance(); // Setup power manager
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SetupCallbacks();
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static const char *argv[] = { "scummvm", NULL };
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static int argc = sizeof(argv)/sizeof(char *)-1;
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g_system = new OSystem_PSP();
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assert(g_system);
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#ifdef DYNAMIC_MODULES
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PluginManager::instance().addPluginProvider(new PSPPluginProvider());
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#endif
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int res = scummvm_main(argc, argv);
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g_system->quit(); // TODO: Consider removing / replacing this!
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PowerManager::destroy(); // get rid of PowerManager
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sceKernelSleepThread();
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return res;
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}
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