示例#1
0
文件: sys_arch.c 项目: AKuHAK2/ps2sdk
static arch_message *try_alloc_msg(void)
{
	unsigned int i;
	arch_message *message;
	int OldState;

	if(PollSema(MsgCountSema)==0){
		CpuSuspendIntr(&OldState);

		for(i=0,message=NULL; i<SYS_MAX_MESSAGES; i++)
		{
			if((msg_pool[i].next == NULL) && (msg_pool[i].sys_msg == NULL))
			{
				msg_pool[i].next = (arch_message *) 0xFFFFFFFF;
				msg_pool[i].sys_msg = (void *) 0xFFFFFFFF;
				message=&msg_pool[i];
				break;
			}
		}

		CpuResumeIntr(OldState);
	}else message=NULL;

	return message;
}
示例#2
0
文件: libcdvd.c 项目: przemekh/ps2sdk
s32 sceCdSearchFile(sceCdlFILE * file, const char *name)
{
	s32 i;

	sceCdSemaInit();
	if (PollSema(nCmdSemaId) != nCmdSemaId)
		return 0;
	nCmdNum = CD_SERVER_SEARCHFILE;
	ReferThreadStatus(sceCdThreadId, &sceCdThreadParam);
	if (sceCdSync(1)) {
		SignalSema(nCmdSemaId);
		return 0;
	}
	SifInitRpc(0);
	if (bindSearchFile < 0) {
		while (1) {
			if (SifBindRpc(&clientSearchFile, CD_SERVER_SEARCHFILE, 0) < 0) {
				if (sceCdDebug > 0)
					printf("libsceCdvd bind err sceCdSearchFile\n");
			}
			if (clientSearchFile.server != 0)
				break;

			i = 0x10000;
			while (i--);
		}
		bindSearchFile = 0;
	}

	strncpy(searchFileSendBuff.name, name, 255);
	searchFileSendBuff.name[255] = '\0';
	searchFileSendBuff.dest = &searchFileSendBuff;

	if (sceCdDebug > 0)
		printf("ee call cmd search %s\n", searchFileSendBuff.name);
	if (SifCallRpc(&clientSearchFile, 0, 0, &searchFileSendBuff, sizeof(SearchFilePkt), nCmdRecvBuff, 4, 0, 0) < 0) {
		SignalSema(nCmdSemaId);
		return 0;
	}

	memcpy(file, UNCACHED_SEG(&searchFileSendBuff), 32);

	if (sceCdDebug > 0) {
		printf("search name %s\n", file->name);
		printf("search size %d\n", file->size);
		printf("search loc lnn %d\n", file->lsn);
		printf("search loc date %02X %02X %02X %02X %02X %02X %02X %02X\n",
		       file->date[0], file->date[1], file->date[2], file->date[3],
		       file->date[4], file->date[5], file->date[6], file->date[7]);
		printf("search loc date %02d %02d %02d %02d %02d %02d %02d %02d\n",
		       file->date[0], file->date[1], file->date[2], file->date[3],
		       file->date[4], file->date[5], file->date[6], file->date[7]);
	}

	SignalSema(nCmdSemaId);
//	return 1;
	return *(s32*)UNCACHED_SEG(nCmdRecvBuff);
}
示例#3
0
bool AsyncFio::fioAvail(void) {
	bool retVal = false;
	if (PollSema(_ioSema) > 0) {
		if (_runningOp) {
			if (fileXioWaitAsync(FXIO_NOWAIT, (int *)_runningOp) == FXIO_COMPLETE) {
				_runningOp = NULL;
				retVal = true;
			} else
				retVal = false;
		} else
			retVal = true;
		SignalSema(_ioSema);
	}
	return retVal;
}
示例#4
0
bool AsyncFio::poll(int fd) {
	bool retVal = false;
	if (PollSema(_ioSema) >= 0) {
		if (_runningOp == _ioSlots + fd) {
			if (fileXioWaitAsync(FXIO_NOWAIT, (int *)_runningOp) == FXIO_COMPLETE) {
				_runningOp = NULL;
				retVal = true;
			} else
				retVal = false;
		} else
			retVal = true;
		SignalSema(_ioSema);
	}
	return retVal;
}
示例#5
0
u32_t
sys_arch_sem_wait(sys_sem_t Sema,u32_t u32Timeout)
{

	//Wait u32Timeout msec for the Sema to receive a signal.

	dbgprintf("sys_arch_sem_wait: Sema: %d, Timeout: %x (TID: %d)\n",Sema,u32Timeout,GetThreadId());

	if(u32Timeout==0)
	{

		//Wait with no timeouts.

		return	WaitSema(Sema)==0 ? 0:SYS_ARCH_TIMEOUT;
	}
	else if(u32Timeout==1)
	{

		//Poll.

		return	PollSema(Sema)==0 ? 0:SYS_ARCH_TIMEOUT;
	}
	else
	{

		//Use alarm to timeout.

		iop_sys_clock_t	ClockTicks;
		iop_sys_clock_t	Start;
		iop_sys_clock_t	End;
		int					iPID=GetThreadId();
		u32_t					u32WaitTime;

		GetSystemTime(&Start);
		USec2SysClock(u32Timeout*1000,&ClockTicks);
		SetAlarm(&ClockTicks,TimeoutHandler,(void*)iPID);

		if(WaitSema(Sema)!=0)
		{
			return	SYS_ARCH_TIMEOUT;
		}
		CancelAlarm(TimeoutHandler,(void*)iPID);
		GetSystemTime(&End);

		u32WaitTime=ComputeTimeDiff(&Start,&End);
		return	u32WaitTime<=u32Timeout ? u32WaitTime:u32Timeout;
	}
}
示例#6
0
文件: rpckbd.c 项目: 0xf1sh/scummvm
int PS2KbdReadRaw(PS2KbdRawKey *key)
/* Reads 1 raw character from the keyboard */
{
	int res;
	if ((!kbdInitialized) || (curr_readmode != PS2KBD_READMODE_RAW))
		return -1;

	if (PollSema(kbdRpcSema) >= 0) {
		// last rpc call completed
		res = (rpcKey != 0);
		*key = *(PS2KbdRawKey *)UNCACHED_SEG(&rpcKey);
		SifCallRpc(&cd0, KBD_RPC_READRAW, SIF_RPC_M_NOWAIT, rpcBuf, 0, &rpcKey, 4, rpcCompleteIntr, NULL);
		return res;
	} else // rpc still running
		return 0;
}
示例#7
0
文件: sys_arch.c 项目: AKuHAK/ps2sdk
static arch_message *try_alloc_msg(void)
{
	arch_message *message;
	int OldState;

	if(PollSema(MsgCountSema)==0)
	{
		CpuSuspendIntr(&OldState);

		message = free_head;
		free_head = free_head->next;

		CpuResumeIntr(OldState);
	}else message=NULL;

	return message;
}
示例#8
0
文件: libcdvd.c 项目: przemekh/ps2sdk
s32 sceCdDiskReady(s32 mode)
{
	s32 i;

	if (sceCdDebug > 0)
		printf("DiskReady 0\n");

	sceCdSemaInit();
	if (PollSema(sCmdSemaId) != sCmdSemaId)
		return SCECdNotReady;
	if (sceCdSyncS(1)) {
		SignalSema(sCmdSemaId);
		return SCECdNotReady;
	}

	SifInitRpc(0);
	if (bindDiskReady < 0) {
		while (1) {
			if (SifBindRpc(&clientDiskReady, CD_SERVER_DISKREADY, 0) < 0) {
				if (sceCdDebug > 0)
					printf("LibsceCdvd bind err CdDiskReady\n");
			}
			if (clientDiskReady.server != 0)
				break;

			i = 0x10000;
			while (i--);
		}
	}
	bindDiskReady = 0;
	diskReadyMode = mode;

	if (SifCallRpc(&clientDiskReady, 0, 0, &diskReadyMode, 4, sCmdRecvBuff, 4, 0, 0) < 0) {
		SignalSema(sCmdSemaId);
		return 6;
	}
	if (sceCdDebug > 0)
		printf("DiskReady ended\n");

	SignalSema(sCmdSemaId);
	return *(s32 *) UNCACHED_SEG(sCmdRecvBuff);
}
示例#9
0
文件: sys_arch.c 项目: AKuHAK2/ps2sdk
u32_t sys_arch_sem_wait(sys_sem_t *sem, u32_t timeout)
{
	//Wait TimeElaspedout msec for the Sema to receive a signal.
	dbgprintf("sys_arch_sem_wait: Sema: %d, Timeout: %x (TID: %d)\n", *sem, timeout, GetThreadId());
	u32_t result;

	if(timeout==0)
	{
		//Wait with no timeouts.
		result=(WaitSema(*sem)==0)?0:SYS_ARCH_TIMEOUT;
	}
	else if(timeout==1)
	{
		//Poll.
		result=(PollSema(*sem)==0)?0:SYS_ARCH_TIMEOUT;
	}
	else
	{
		//Use alarm to timeout.
		iop_sys_clock_t	ClockTicks;
		iop_sys_clock_t	Start;
		iop_sys_clock_t	End;
		int	iPID=GetThreadId();
		u32_t	u32WaitTime;

		GetSystemTime(&Start);
		USec2SysClock(timeout*1000,&ClockTicks);
		SetAlarm(&ClockTicks, &TimeoutHandler, (void*)iPID);

		if(WaitSema(*sem)==0){
			CancelAlarm(TimeoutHandler,(void*)iPID);
			GetSystemTime(&End);

			u32WaitTime=ComputeTimeDiff(&Start, &End);
			result=(u32WaitTime<=timeout)?u32WaitTime:timeout;
		}else result=SYS_ARCH_TIMEOUT;
	}

	return result;
}
示例#10
0
int fioSync(int mode, int *retVal)
{
	int res;

	if ((res = fioInit()) < 0)
		return res;

	if(_fio_block_mode != FIO_NOWAIT) return -E_LIB_UNSUPPORTED;

	switch(mode)
	{
		case FIO_WAIT:

			WaitSema(_fio_completion_sema);
			SignalSema(_fio_completion_sema);

			if(retVal != NULL)
				*retVal = *(int *)UNCACHED_SEG(&_fio_recv_data[0]);

			return FIO_COMPLETE;

		case FIO_NOWAIT:

			if(PollSema(_fio_completion_sema) < 0)
				return FIO_INCOMPLETE;

			SignalSema(_fio_completion_sema);

			if(retVal != NULL)
				*retVal = *(int *)UNCACHED_SEG(&_fio_recv_data[0]);

			return FIO_COMPLETE;

		default:
			return -E_LIB_UNSUPPORTED;
	}
}