示例#1
0
文件: ios.c 项目: Alcaro/RetroArch
s32 __IOS_LaunchNewIOS(int version)
{
	u32 numviews;
	s32 res;
	u64 titleID = 0x100000000LL;
	raw_irq_handler_t irq_handler;
	u32 counter;

	STACK_ALIGN(tikview,views,4,32);
#ifdef DEBUG_IOS
	s32 oldversion;
#endif
	s32 newversion;

	if(version < 3 || version > 0xFF) {
		return IOS_EBADVERSION;
	}

#ifdef DEBUG_IOS
	oldversion = IOS_GetVersion();
	if(oldversion>0) printf("Current IOS Version: IOS%d\n",oldversion);
#endif

	titleID |= version;
#ifdef DEBUG_IOS
	printf("Launching IOS TitleID: %016llx\n",titleID);
#endif

	res = ES_GetNumTicketViews(titleID, &numviews);
	if(res < 0) {
#ifdef DEBUG_IOS
		printf(" GetNumTicketViews failed: %d\n",res);
#endif
		return res;
	}
	if(numviews > 4) {
		printf(" GetNumTicketViews too many views: %lu\n",numviews);
		return IOS_ETOOMANYVIEWS;
	}
	res = ES_GetTicketViews(titleID, views, numviews);
	if(res < 0) {
#ifdef DEBUG_IOS
		printf(" GetTicketViews failed: %d\n",res);
#endif
		return res;
	}

	write32(0x80003140, 0);

	res = ES_LaunchTitleBackground(titleID, &views[0]);
	if(res < 0) {
#ifdef DEBUG_IOS
		printf(" LaunchTitleBackground failed: %d\n",res);
#endif
		return res;
	}

	__ES_Reset();

	// Mask IPC IRQ while we're busy reloading
	__MaskIrq(IRQ_PI_ACR);
	irq_handler = IRQ_Free(IRQ_PI_ACR);

#ifdef DEBUG_IOS
	printf("Waiting for IOS ...\n");
#endif
	while ((read32(0x80003140) >> 16) == 0)
		udelay(1000);

#ifdef DEBUG_IOS
	u32 v = read32(0x80003140);
	printf("IOS loaded: IOS%d v%d.%d\n", v >> 16, (v >> 8) & 0xff, v & 0xff);
#endif

#ifdef DEBUG_IOS
	printf("Waiting for IPC ...\n");
#endif
	for (counter = 0; !(read32(0x0d000004) & 2); counter++) {
		udelay(1000);
		
		if (counter >= MAX_IPC_RETRIES)
			break;
	}

#ifdef DEBUG_IOS
	printf("IPC started (%u)\n", counter);
#endif

	IRQ_Request(IRQ_PI_ACR, irq_handler, NULL);
    __UnmaskIrq(IRQ_PI_ACR);

	__IPC_Reinitialize();

	newversion = IOS_GetVersion();

	if(newversion != version) {
#ifdef DEBUG_IOS
		printf(" Version mismatch!\n");
#endif
		return IOS_EMISMATCH;
	}

	return version;
}
示例#2
0
文件: stubload.c 项目: comex/libogc
s32 __DI_StubLaunch(void)
{
	u64 titleID = DVD_TITLEID;
	static tikview views[4] ATTRIBUTE_ALIGN(32);
	u32 numviews;
	s32 res;
	
	u32 ints;
	
	dprintf("Shutting down IOS subsystems\n");
	res = __IOS_ShutdownSubsystems();
	if(res < 0) {
		dprintf("Shutdown failed: %d\n",res);
	}
	dprintf("Initializing ES\n");
	res = __ES_Init();
	if(res < 0) {
		dprintf("ES init failed: %d\n",res);
		return res;
	}
	
	dprintf("Launching TitleID: %016llx\n",titleID);
	
	res = ES_GetNumTicketViews(titleID, &numviews);
	if(res < 0) {
		dprintf(" GetNumTicketViews failed: %d\n",res);
		return res;
	}
	if(numviews > 4) {
		dprintf(" GetNumTicketViews too many views: %u\n",numviews);
		return IOS_ETOOMANYVIEWS;
	}
	res = ES_GetTicketViews(titleID, views, numviews);
	if(res < 0) {
		dprintf(" GetTicketViews failed: %d\n",res);
		return res;
	}
	dprintf("Ready to launch channel\n");
	res = ES_LaunchTitleBackground(titleID, &views[0]);
	if(res<0) {
		dprintf("Launch failed: %d\n",res);
		return res;
	}
	dprintf("Channel launching in the background\n");
	dprintf("Pre-stub status:\n");
	dumpregs();
	dprintf("ISR Disable...\n");
	_CPU_ISR_Disable( ints );
	dprintf("Saving regs...\n");
	__distub_saveregs();
	dprintf("Taking the plunge...\n");
	__distub_take_plunge(&di_ctx);
	
	dprintf("We're back!\n");
	dprintf("Restoring regs...\n");
	__distub_restregs();
	dprintf("ISR Enable...\n");
	_CPU_ISR_Restore( ints );
	
	dprintf("Post-stub status:\n");
	dumpregs();
	
	__IPC_Reinitialize();
	__ES_Reset();
	
	dprintf("IPC reinitialized\n");
	sleep(1);
	dprintf("Restarting IOS subsystems\n");
	
	res = __IOS_InitializeSubsystems();
	
	dprintf("Subsystems running!\n");
	
	res = ES_GetNumTicketViews(titleID, &numviews);
	if(res < 0) {
		dprintf(" GetNumTicketViews failed: %d\n",res);
		return res;
	}
	dprintf(" GetNumTicketViews: %d",numviews);
	
	return 0;
}