main.c

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/*
 * PSP Software Development Kit - http://www.pspdev.org
 * -----------------------------------------------------------------------
 * Licensed under the BSD license, see LICENSE in PSPSDK root for details.
 *
 * main.c - Basic sample to demonstrate installing an exception handler.
 *
 * Copyright (c) 2005 Marcus R. Brown <[e-mail]>
 * Copyright (c) 2005 James Forshaw <[e-mail]>
 * Copyright (c) 2005 John Kelley <[e-mail]>
 *
 * $Id: main.c 1095 2005-09-27 21:02:16Z jim $
 */
#include <pspkernel.h>
#include <pspdebug.h>
#include <pspctrl.h>
#include <pspdisplay.h>

PSP_MODULE_INFO("EXTEST", 0x1000, 1, 1);
/* Define the main thread's attribute value (optional) */
PSP_MAIN_THREAD_ATTR(0);

/* Define printf, just to make typing easier */
#define printf	pspDebugScreenPrintf

/* Exit callback */
int exit_callback(int arg1, int arg2, void *common)
{
	sceKernelExitGame();

	return 0;
}

/* Callback thread */
int CallbackThread(SceSize args, void *argp)
{
	int cbid;

	cbid = sceKernelCreateCallback("Exit Callback", exit_callback, NULL);
	sceKernelRegisterExitCallback(cbid);

	sceKernelSleepThreadCB();

	return 0;
}

/* Sets up the callback thread and returns its thread id */
int SetupCallbacks(void)
{
	int thid = 0;

	thid = sceKernelCreateThread("update_thread", CallbackThread, 0x11, 0xFA0, THREAD_ATTR_USER, 0);
	if(thid >= 0)
	{
		sceKernelStartThread(thid, 0, 0);
	}

	return thid;
}

/* Example custom exception handler */
void MyExceptionHandler(PspDebugRegBlock *regs)
{
	/* Do normal initial dump, setup screen etc */
	pspDebugScreenInit();

	/* I always felt BSODs were more interesting that white on black */
	pspDebugScreenSetBackColor(0x00FF0000);
	pspDebugScreenSetTextColor(0xFFFFFFFF);
	pspDebugScreenClear();

	pspDebugScreenPrintf("I regret to inform you your psp has just crashed\n");
	pspDebugScreenPrintf("Please contact Sony technical support for further information\n\n");
	pspDebugScreenPrintf("Exception Details:\n");
	pspDebugDumpException(regs);
	pspDebugScreenPrintf("\nBlame the 3rd party software, it cannot possibly be our fault!\n");
}

int main(void)
{
	SceCtrlData pad;
	pspDebugScreenInit();
	SetupCallbacks();

	/* Install our custom exception handler. If this was NULL then the default would be used */
	pspDebugInstallErrorHandler(MyExceptionHandler);
	sceCtrlSetSamplingCycle(0);
	sceCtrlSetSamplingMode(PSP_CTRL_MODE_DIGITAL);

	pspDebugScreenPrintf("Exception Sample\n\n");
	pspDebugScreenPrintf("You have two choices, press O for a bus error or X for a breakpoint\n\n");

	while(1)
	{
		sceCtrlReadBufferPositive(&pad, 1);
		if(pad.Buttons & PSP_CTRL_CIRCLE)
		{
			/* Cause a bus error */
			_sw(0, 0);
		}

		if(pad.Buttons & PSP_CTRL_CROSS)
		{
			/* Cause a break exception */
			asm(
				"break\r\n"
			  );
		}

		sceDisplayWaitVblankStart();
	}


	/* We will never end up here, hopefully */
	printf("End\n");

	sceKernelExitDeleteThread(0);

	return 0;
}