flycast/core/hw/sh4/sh4_mmr.cpp

/*
	Sh4 internal register routing (P4 & 'area 7')
*/
#include "types.h"
#include "sh4_mmr.h"

#include "hw/mem/_vmem.h"
#include "modules/mmu.h"
#include "modules/ccn.h"
#include "modules/modules.h"

//64bytes of sq // now on context ~

Array<u8> OnChipRAM;

//All registers are 4 byte aligned

Array<RegisterStruct> CCN(16,true);  //CCN  : 14 registers
Array<RegisterStruct> UBC(9,true);   //UBC  : 9 registers
Array<RegisterStruct> BSC(19,true);  //BSC  : 18 registers
Array<RegisterStruct> DMAC(17,true); //DMAC : 17 registers
Array<RegisterStruct> CPG(5,true);   //CPG  : 5 registers
Array<RegisterStruct> RTC(16,true);  //RTC  : 16 registers
Array<RegisterStruct> INTC(4,true);  //INTC : 4 registers
Array<RegisterStruct> TMU(12,true);  //TMU  : 12 registers
Array<RegisterStruct> SCI(8,true);   //SCI  : 8 registers
Array<RegisterStruct> SCIF(10,true); //SCIF : 10 registers

u32 sh4io_read_noacc(u32 addr) 
{ 
	printf("sh4io: Invalid read access @@ %08X\n",addr);
	return 0; 
} 
void sh4io_write_noacc(u32 addr, u32 data) 
{ 
	printf("sh4io: Invalid write access @@ %08X %08X\n",addr,data);
	//verify(false); 
}
void sh4io_write_const(u32 addr, u32 data) 
{ 
	printf("sh4io: Const write ignored @@ %08X <- %08X\n",addr,data);
}

void sh4_rio_reg(Array<RegisterStruct>& arr, u32 addr, RegIO flags, u32 sz, RegReadAddrFP* rf, RegWriteAddrFP* wf)
{
	u32 idx=(addr&255)/4;

	verify(idx<arr.Size);

	arr[idx].flags = flags | REG_ACCESS_32;

	if (flags == RIO_NO_ACCESS)
	{
		arr[idx].readFunctionAddr=&sh4io_read_noacc;
		arr[idx].writeFunctionAddr=&sh4io_write_noacc;
	}
	else if (flags == RIO_CONST)
	{
		arr[idx].writeFunctionAddr=&sh4io_write_const;
	}
	else
	{
		arr[idx].data32=0;

		if (flags & REG_RF)
			arr[idx].readFunctionAddr=rf;

		if (flags & REG_WF)
			arr[idx].writeFunctionAddr=wf==0?&sh4io_write_noacc:wf;
	}
}

template<u32 sz>
u32 sh4_rio_read(Array<RegisterStruct>& sb_regs, u32 addr)
{	
	u32 offset = addr&255;
#ifdef TRACE
	if (offset & 3/*(size-1)*/) //4 is min align size
	{
		EMUERROR("Unalinged System Bus register read");
	}
#endif

	offset>>=2;

#ifdef TRACE
	if (sb_regs[offset].flags & sz)
	{
#endif
		if (!(sb_regs[offset].flags & REG_RF) )
		{
			if (sz==4)
				return  sb_regs[offset].data32;
			else if (sz==2)
				return  sb_regs[offset].data16;
			else 
				return  sb_regs[offset].data8;
		}
		else
		{
			return sb_regs[offset].readFunctionAddr(addr);
		}
#ifdef TRACE
	}
	else
	{
		if (!(sb_regs[offset].flags& REG_NOT_IMPL))
			EMUERROR("ERROR [wrong size read on register]");
	}
#endif
//	if ((sb_regs[offset].flags& REG_NOT_IMPL))
//		EMUERROR2("Read from System Control Regs , not  implemented , addr=%x",addr);
	return 0;
}

template<u32 sz>
void sh4_rio_write(Array<RegisterStruct>& sb_regs, u32 addr, u32 data)
{
	u32 offset = addr&255;
#ifdef TRACE
	if (offset & 3/*(size-1)*/) //4 is min align size
	{
		EMUERROR("Unaligned System bus register write");
	}
#endif
offset>>=2;
#ifdef TRACE
	if (sb_regs[offset].flags & sz)
	{
#endif
		if (!(sb_regs[offset].flags & REG_WF) )
		{
			if (sz==4)
				sb_regs[offset].data32=data;
			else if (sz==2)
				sb_regs[offset].data16=(u16)data;
			else
				sb_regs[offset].data8=(u8)data;
			return;
		}
		else
		{
			//printf("RSW: %08X\n",addr);
			sb_regs[offset].writeFunctionAddr(addr,data);
			/*
			if (sb_regs[offset].flags & REG_CONST)
				EMUERROR("Error [Write to read only register , const]");
			else
			{
				if ()
				{
					sb_regs[offset].writeFunction(data);
					return;
				}
				else
				{
					if (!(sb_regs[offset].flags& REG_NOT_IMPL))
						EMUERROR("ERROR [Write to read only register]");
				}
			}*/
			return;
		}
#ifdef TRACE
	}
	else
	{
		if (!(sb_regs[offset].flags& REG_NOT_IMPL))
			EMUERROR4("ERROR: Wrong size write on register - offset=%x, data=%x, size=%d",offset,data,sz);
	}
	if ((sb_regs[offset].flags& REG_NOT_IMPL))
		EMUERROR3("Write to System Control Regs, not implemented - addr=%x, data=%x",addr,data);
#endif
	
}

//Region P4
//Read P4
template <u32 sz,class T>
T DYNACALL ReadMem_P4(u32 addr)
{
	/*if (((addr>>26)&0x7)==7)
	{
	return ReadMem_area7(addr,sz);	
	}*/

	switch((addr>>24)&0xFF)
	{

	case 0xE0:
	case 0xE1:
	case 0xE2:
	case 0xE3:
		printf("Unhandled p4 read [Store queue] 0x%x\n",addr);
		return 0;
		break;

	case 0xF0:
		//printf("Unhandled p4 read [Instruction cache address array] 0x%x\n",addr);
		return 0;
		break;

	case 0xF1:
		//printf("Unhandled p4 read [Instruction cache data array] 0x%x\n",addr);
		return 0;
		break;

	case 0xF2:
		//printf("Unhandled p4 read [Instruction TLB address array] 0x%x\n",addr);
		{
			u32 entry=(addr>>8)&3;
			return ITLB[entry].Address.reg_data | (ITLB[entry].Data.V<<8);
		}
		break;

	case 0xF3:
		//printf("Unhandled p4 read [Instruction TLB data arrays 1 and 2] 0x%x\n",addr);
		{
			u32 entry=(addr>>8)&3;
			return ITLB[entry].Data.reg_data;
		}
		break;

	case 0xF4:
		{
			//int W,Set,A;
			//W=(addr>>14)&1;
			//A=(addr>>3)&1;
			//Set=(addr>>5)&0xFF;
			//printf("Unhandled p4 read [Operand cache address array] %d:%d,%d  0x%x\n",Set,W,A,addr);
			return 0;
		}
		break;

	case 0xF5:
		//printf("Unhandled p4 read [Operand cache data array] 0x%x",addr);
		return 0;
		break;

	case 0xF6:
		//printf("Unhandled p4 read [Unified TLB address array] 0x%x\n",addr);
		{
			u32 entry=(addr>>8)&63;
			u32 rv=UTLB[entry].Address.reg_data;
			rv|=UTLB[entry].Data.D<<9;
			rv|=UTLB[entry].Data.V<<8;
			return rv;
		}
		break;

	case 0xF7:
		//printf("Unhandled p4 read [Unified TLB data arrays 1 and 2] 0x%x\n",addr);
		{
			u32 entry=(addr>>8)&63;
			return UTLB[entry].Data.reg_data;
		}
		break;

	case 0xFF:
		printf("Unhandled p4 read [area7] 0x%x\n",addr);
		break;

	default:
		printf("Unhandled p4 read [Reserved] 0x%x\n",addr);
		break;
	}

	EMUERROR2("Read from P4 not implemented - addr=%x",addr);
	return 0;

}

//Write P4
template <u32 sz,class T>
void DYNACALL WriteMem_P4(u32 addr,T data)
{
	/*if (((addr>>26)&0x7)==7)
	{
	WriteMem_area7(addr,data,sz);
	return;
	}*/

	switch((addr>>24)&0xFF)
	{

	case 0xE0:
	case 0xE1:
	case 0xE2:
	case 0xE3:
		printf("Unhandled p4 Write [Store queue] 0x%x",addr);
		break;

	case 0xF0:
		//printf("Unhandled p4 Write [Instruction cache address array] 0x%x = %x\n",addr,data);
		return;
		break;

	case 0xF1:
		//printf("Unhandled p4 Write [Instruction cache data array] 0x%x = %x\n",addr,data);
		return;
		break;

	case 0xF2:
		//printf("Unhandled p4 Write [Instruction TLB address array] 0x%x = %x\n",addr,data);
		{
			u32 entry=(addr>>8)&3;
			ITLB[entry].Address.reg_data=data & 0xFFFFFCFF;
			ITLB[entry].Data.V=(data>>8) & 1;
			ITLB_Sync(entry);
			return;
		}
		break;

	case 0xF3:
		if (addr&0x800000)
		{
			printf("Unhandled p4 Write [Instruction TLB data array 2] 0x%x = %x\n",addr,data);
		}
		else
		{
			//printf("Unhandled p4 Write [Instruction TLB data array 1] 0x%x = %x\n",addr,data);
			u32 entry=(addr>>8)&3;
			ITLB[entry].Data.reg_data=data;
			ITLB_Sync(entry);
			return;
		}
		break;

	case 0xF4:
		{
			//int W,Set,A;
			//W=(addr>>14)&1;
			//A=(addr>>3)&1;
			//Set=(addr>>5)&0xFF;
			//printf("Unhandled p4 Write [Operand cache address array] %d:%d,%d  0x%x = %x\n",Set,W,A,addr,data);
			return;
		}
		break;

	case 0xF5:
		//printf("Unhandled p4 Write [Operand cache data array] 0x%x = %x\n",addr,data);
		return;
		break;

	case 0xF6:
		{
			if (addr&0x80)
			{
				printf("Unhandled p4 Write [Unified TLB address array, Associative Write] 0x%x = %x\n",addr,data);
				CCN_PTEH_type t;
				t.reg_data=data;

				u32 va=t.VPN<<10;

				for (int i=0;i<64;i++)
				{
					/*if (mmu_match(va,UTLB[i].Address,UTLB[i].Data))
					{
						UTLB[i].Data.V=((u32)data>>8)&1;
						UTLB[i].Data.D=((u32)data>>9)&1;
						UTLB_Sync(i);
					}
					*/
				}

				for (int i=0;i<4;i++)
				{
					/*
					if (mmu_match(va,ITLB[i].Address,ITLB[i].Data))
					{
						ITLB[i].Data.V=((u32)data>>8)&1;
						ITLB[i].Data.D=((u32)data>>9)&1;
						ITLB_Sync(i);
					}
					*/
				}
			}
			else
			{
				u32 entry=(addr>>8)&63;
				UTLB[entry].Address.reg_data=data & 0xFFFFFCFF;
				UTLB[entry].Data.D=(data>>9)&1;
				UTLB[entry].Data.V=(data>>8)&1;
				UTLB_Sync(entry);
			}
			return;
		}
		break;

	case 0xF7:
		if (addr&0x800000)
		{
			printf("Unhandled p4 Write [Unified TLB data array 2] 0x%x = %x\n",addr,data);
		}
		else
		{
			//printf("Unhandled p4 Write [Unified TLB data array 1] 0x%x = %x\n",addr,data);
			u32 entry=(addr>>8)&63;
			UTLB[entry].Data.reg_data=data;
			UTLB_Sync(entry);
			return;
		}
		break;

	case 0xFF:
		printf("Unhandled p4 Write [area7] 0x%x = %x\n",addr,data);
		break;

	default:
		printf("Unhandled p4 Write [Reserved] 0x%x\n",addr);
		break;
	}

	EMUERROR3("Write to P4 not implemented - addr=%x, data=%x",addr,data);
}


//***********
//Store Queue
//***********
//TODO : replace w/ mem mapped array
//Read SQ
template <u32 sz,class T>
T DYNACALL ReadMem_sq(u32 addr)
{
	if (sz!=4)
	{
		printf("Store Queue Error - only 4 byte read are possible[x%X]\n",addr);
		return 0xDE;
	}

	u32 united_offset=addr & 0x3C;

	return (T)*(u32*)&sq_both[united_offset];
}


//Write SQ
template <u32 sz,class T>
void DYNACALL WriteMem_sq(u32 addr,T data)
{
	if (sz!=4)
		printf("Store Queue Error - only 4 byte writes are possible[x%X=0x%X]\n",addr,data);

	u32 united_offset=addr & 0x3C;

	*(u32*)&sq_both[united_offset]=data;
}


//***********
//**Area  7**
//***********
//Read Area7
template <u32 sz,class T>
T DYNACALL ReadMem_area7(u32 addr)
{
	/*
	if (likely(addr==0xffd80024))
	{
		return TMU_TCNT(2);
	}
	else if (likely(addr==0xFFD8000C))
	{
		return TMU_TCNT(0);
	}
	else */if (likely(addr==0xFF000028))
	{
		return CCN_INTEVT;
	}
	else if (likely(addr==0xFFA0002C))
	{
		return DMAC_CHCR(2).full;
	}
	//else if (addr==)

	//printf("%08X\n",addr);
	addr&=0x1FFFFFFF;
	u32 map_base=addr>>16;
	switch (map_base & 0x1FFF)
	{
	case A7_REG_HASH(CCN_BASE_addr):
		if (addr<=0x1F00003C)
		{
			return (T)sh4_rio_read<sz>(CCN,addr & 0xFF);
		}
		else
		{
			EMUERROR2("Out of range on register index %x",addr);
		}
		break;

	case A7_REG_HASH(UBC_BASE_addr):
		if (addr<=0x1F200020)
		{
			return (T)sh4_rio_read<sz>(UBC,addr & 0xFF);
		}
		else
		{
			EMUERROR2("Out of range on register index %x",addr);
		}
		break;

	case A7_REG_HASH(BSC_BASE_addr):
		if (addr<=0x1F800048)
		{
			return (T)sh4_rio_read<sz>(BSC,addr & 0xFF);
		}
		else if ((addr>=BSC_SDMR2_addr) && (addr<= 0x1F90FFFF))
		{
			//dram settings 2 / write only
			EMUERROR("Read from write-only registers [dram settings 2]");
		}
		else if ((addr>=BSC_SDMR3_addr) && (addr<= 0x1F94FFFF))
		{
			//dram settings 3 / write only
			EMUERROR("Read from write-only registers [dram settings 3]");
		}
		else
		{
			EMUERROR2("Out of range on register index . %x",addr);
		}
		break;



	case A7_REG_HASH(DMAC_BASE_addr):
		if (addr<=0x1FA00040)
		{
			return (T)sh4_rio_read<sz>(DMAC,addr & 0xFF);
		}
		else
		{
			EMUERROR2("Out of range on register index %x",addr);
		}
		break;

	case A7_REG_HASH(CPG_BASE_addr):
		if (addr<=0x1FC00010)
		{
			return (T)sh4_rio_read<sz>(CPG,addr & 0xFF);
		}
		else
		{
			EMUERROR2("Out of range on register index %x",addr);
		}
		break;

	case A7_REG_HASH(RTC_BASE_addr):
		if (addr<=0x1FC8003C)
		{
			return (T)sh4_rio_read<sz>(RTC,addr & 0xFF);
		}
		else
		{
			EMUERROR2("Out of range on register index %x",addr);
		}
		break;

	case A7_REG_HASH(INTC_BASE_addr):
		if (addr<=0x1FD0000C)
		{
			return (T)sh4_rio_read<sz>(INTC,addr & 0xFF);
		}
		else
		{
			EMUERROR2("Out of range on register index %x",addr);
		}
		break;

	case A7_REG_HASH(TMU_BASE_addr):
		if (addr<=0x1FD8002C)
		{
			return (T)sh4_rio_read<sz>(TMU,addr & 0xFF);
		}
		else
		{
			EMUERROR2("Out of range on register index %x",addr);
		}
		break;

	case A7_REG_HASH(SCI_BASE_addr):
		if (addr<=0x1FE0001C)
		{
			return (T)sh4_rio_read<sz>(SCI,addr & 0xFF);
		}
		else
		{
			EMUERROR2("Out of range on register index %x",addr);
		}
		break;

	case A7_REG_HASH(SCIF_BASE_addr):
		if (addr<=0x1FE80024)
		{
			return (T)sh4_rio_read<sz>(SCIF,addr & 0xFF);
		}
		else
		{
			EMUERROR2("Out of range on register index %x",addr);
		}
		break;

		// Who really cares about ht-UDI? it's not existent on the Dreamcast IIRC
	case A7_REG_HASH(UDI_BASE_addr):
		switch(addr)
		{
			//UDI SDIR 0x1FF00000 0x1FF00000 16 0xFFFF Held Held Held Pclk
		case UDI_SDIR_addr :
			break;


			//UDI SDDR 0x1FF00008 0x1FF00008 32 Held Held Held Held Pclk
		case UDI_SDDR_addr :
			break;
		}
		break;
	}


	//EMUERROR2("Unknown Read from Area7 - addr=%x",addr);
	return 0;
}

//Write Area7
template <u32 sz,class T>
void DYNACALL WriteMem_area7(u32 addr,T data)
{
	if (likely(addr==0xFF000038))
	{
		CCN_QACR_write<0>(addr,data);
		return;
	}
	else if (likely(addr==0xFF00003C))
	{
		CCN_QACR_write<1>(addr,data);
		return;
	}	

	//printf("%08X\n",addr);

	addr&=0x1FFFFFFF;
	u32 map_base=addr>>16;
	switch (map_base & 0x1FFF)
	{

	case A7_REG_HASH(CCN_BASE_addr):
		if (addr<=0x1F00003C)
		{
			sh4_rio_write<sz>(CCN,addr & 0xFF,data);
			return;
		}
		else
		{
			EMUERROR2("Out of range on register index %x",addr);
		}
		break;

	case A7_REG_HASH(UBC_BASE_addr):
		if (addr<=0x1F200020)
		{
			sh4_rio_write<sz>(UBC,addr & 0xFF,data);
			return;
		}
		else
		{
			EMUERROR2("Out of range on register index %x",addr);
		}
		break;

	case A7_REG_HASH(BSC_BASE_addr):
		if (addr<=0x1F800048)
		{
			sh4_rio_write<sz>(BSC,addr & 0xFF,data);
			return;
		}
		else if ((addr>=BSC_SDMR2_addr) && (addr<= 0x1F90FFFF))
		{
			//dram settings 2 / write only
			return;//no need ?
		}
		else if ((addr>=BSC_SDMR3_addr) && (addr<= 0x1F94FFFF))
		{
			//dram settings 3 / write only
			return;//no need ?
		}
		else
		{
			EMUERROR2("Out of range on register index %x",addr);
		}
		break;



	case A7_REG_HASH(DMAC_BASE_addr):
		if (addr<=0x1FA00040)
		{
			sh4_rio_write<sz>(DMAC,addr & 0xFF,data);
			return;
		}
		else
		{
			EMUERROR2("Out of range on register index %x",addr);
		}
		break;

	case A7_REG_HASH(CPG_BASE_addr):
		if (addr<=0x1FC00010)
		{
			sh4_rio_write<sz>(CPG,addr & 0xFF,data);
			return;
		}
		else
		{
			EMUERROR2("Out of range on register index %x",addr);
		}
		break;

	case A7_REG_HASH(RTC_BASE_addr):
		if (addr<=0x1FC8003C)
		{
			sh4_rio_write<sz>(RTC,addr & 0xFF,data);
			return;
		}
		else
		{
			EMUERROR2("Out of range on register index %x",addr);
		}
		break;

	case A7_REG_HASH(INTC_BASE_addr):
		if (addr<=0x1FD0000C)
		{
			sh4_rio_write<sz>(INTC,addr & 0xFF,data);
			return;
		}
		else
		{
			EMUERROR2("Out of range on register index %x",addr);
		}
		break;

	case A7_REG_HASH(TMU_BASE_addr):
		if (addr<=0x1FD8002C)
		{
			sh4_rio_write<sz>(TMU,addr & 0xFF,data);
			return;
		}
		else
		{
			EMUERROR2("Out of range on register index %x",addr);
		}
		break;

	case A7_REG_HASH(SCI_BASE_addr):
		if (addr<=0x1FE0001C)
		{
			sh4_rio_write<sz>(SCI,addr & 0xFF,data);
			return;
		}
		else
		{
			EMUERROR2("Out of range on register index %x",addr);
		}
		break;

	case A7_REG_HASH(SCIF_BASE_addr):
		if (addr<=0x1FE80024)
		{
			sh4_rio_write<sz>(SCIF,addr & 0xFF,data);
			return;
		}
		else
		{
			EMUERROR2("Out of range on register index %x",addr);
		}
		break;

		//who really cares about ht-udi ? it's not existent on dc iirc ..
	case A7_REG_HASH(UDI_BASE_addr):
		switch(addr)
		{
			//UDI SDIR 0xFFF00000 0x1FF00000 16 0xFFFF Held Held Held Pclk
		case UDI_SDIR_addr :
			break;


			//UDI SDDR 0xFFF00008 0x1FF00008 32 Held Held Held Held Pclk
		case UDI_SDDR_addr :
			break;
		}
		break;
	}

	//EMUERROR3("Write to Area7 not implemented , addr=%x,data=%x",addr,data);
}


//***********
//On Chip Ram
//***********
//Read OCR
template <u32 sz,class T>
T DYNACALL ReadMem_area7_OCR_T(u32 addr)
{
	if (CCN_CCR.ORA)
	{
		if (sz==1)
			return (T)OnChipRAM[addr&OnChipRAM_MASK];
		else if (sz==2)
			return (T)*(u16*)&OnChipRAM[addr&OnChipRAM_MASK];
		else if (sz==4)
			return (T)*(u32*)&OnChipRAM[addr&OnChipRAM_MASK];
		else
		{
			printf("ReadMem_area7_OCR_T: template SZ is wrong = %d\n",sz);
			return 0xDE;
		}
	}
	else
	{
		printf("On Chip Ram Read, but OCR is disabled\n");
		return 0xDE;
	}
}

//Write OCR
template <u32 sz,class T>
void DYNACALL WriteMem_area7_OCR_T(u32 addr,T data)
{
	if (CCN_CCR.ORA)
	{
		if (sz==1)
			OnChipRAM[addr&OnChipRAM_MASK]=(u8)data;
		else if (sz==2)
			*(u16*)&OnChipRAM[addr&OnChipRAM_MASK]=(u16)data;
		else if (sz==4)
			*(u32*)&OnChipRAM[addr&OnChipRAM_MASK]=data;
		else
		{
			printf("WriteMem_area7_OCR_T: template SZ is wrong = %d\n",sz);
		}
	}
	else
	{
		printf("On Chip Ram Write, but OCR is disabled\n");
	}
}


//Init/Res/Term
void sh4_mmr_init()
{
	OnChipRAM.Resize(OnChipRAM_SIZE,false);

	for (u32 i=0;i<30;i++)
	{
		if (i<CCN.Size)  sh4_rio_reg(CCN,CCN_BASE_addr+i*4,RIO_NO_ACCESS,32);   //(16,true);    //CCN  : 14 registers
		if (i<UBC.Size)  sh4_rio_reg(UBC,UBC_BASE_addr+i*4,RIO_NO_ACCESS,32);   //(9,true);     //UBC  : 9 registers
		if (i<BSC.Size)  sh4_rio_reg(BSC,BSC_BASE_addr+i*4,RIO_NO_ACCESS,32);   //(19,true);    //BSC  : 18 registers
		if (i<DMAC.Size) sh4_rio_reg(DMAC,DMAC_BASE_addr+i*4,RIO_NO_ACCESS,32); //(17,true);    //DMAC : 17 registers
		if (i<CPG.Size)  sh4_rio_reg(CPG,CPG_BASE_addr+i*4,RIO_NO_ACCESS,32);   //(5,true);     //CPG  : 5 registers
		if (i<RTC.Size)  sh4_rio_reg(RTC,RTC_BASE_addr+i*4,RIO_NO_ACCESS,32);   //(16,true);    //RTC  : 16 registers
		if (i<INTC.Size) sh4_rio_reg(INTC,INTC_BASE_addr+i*4,RIO_NO_ACCESS,32); //(4,true);     //INTC : 4 registers
		if (i<TMU.Size)  sh4_rio_reg(TMU,TMU_BASE_addr+i*4,RIO_NO_ACCESS,32);   //(12,true);    //TMU  : 12 registers
		if (i<SCI.Size)  sh4_rio_reg(SCI,SCI_BASE_addr+i*4,RIO_NO_ACCESS,32);   //(8,true);     //SCI  : 8 registers
		if (i<SCIF.Size) sh4_rio_reg(SCIF,SCIF_BASE_addr+i*4,RIO_NO_ACCESS,32); //(10,true);    //SCIF : 10 registers
	}

	//initialise Register structs
	bsc_init();
	ccn_init();
	cpg_init();
	dmac_init();
	intc_init();
	rtc_init();
	serial_init();
	tmu_init();
	ubc_init();
}

void sh4_mmr_reset()
{
	OnChipRAM.Zero();
	//Reset register values
	bsc_reset();
	ccn_reset();
	cpg_reset();
	dmac_reset();
	intc_reset();
	rtc_reset();
	serial_reset();
	tmu_reset();
	ubc_reset();
}

void sh4_mmr_term()
{
	//free any alloc'd resources [if any]
	ubc_term();
	tmu_term();
	serial_term();
	rtc_term();
	intc_term();
	dmac_term();
	cpg_term();
	ccn_term();
	bsc_term();
	OnChipRAM.Free();
}
//Mem map :)

//AREA 7--Sh4 Regs
_vmem_handler area7_handler;

_vmem_handler area7_orc_handler;

void map_area7_init()
{
	//=_vmem_register_handler(ReadMem8_area7,ReadMem16_area7,ReadMem32_area7,
	//									WriteMem8_area7,WriteMem16_area7,WriteMem32_area7);

	//default area7 handler
	area7_handler= _vmem_register_handler_Template(ReadMem_area7,WriteMem_area7);

	area7_orc_handler= _vmem_register_handler_Template(ReadMem_area7_OCR_T,WriteMem_area7_OCR_T);
}
void map_area7(u32 base)
{
	//OCR @
	//((addr>=0x7C000000) && (addr<=0x7FFFFFFF))
	if (base==0x60)
		_vmem_map_handler(area7_orc_handler,0x1C | base , 0x1F| base);
	else
	{
		_vmem_map_handler(area7_handler,0x1C | base , 0x1F| base);
	}
}

//P4
void map_p4()
{
	//P4 Region :
	_vmem_handler p4_handler = _vmem_register_handler_Template(ReadMem_P4,WriteMem_P4);

	//register this before area7 and SQ , so they overwrite it and handle em :)
	//default P4 handler
	//0xE0000000-0xFFFFFFFF
	_vmem_map_handler(p4_handler,0xE0,0xFF);

	//Store Queues -- Write only 32bit
	_vmem_map_block(sq_both,0xE0,0xE0,63);
	_vmem_map_block(sq_both,0xE1,0xE1,63);
	_vmem_map_block(sq_both,0xE2,0xE2,63);
	_vmem_map_block(sq_both,0xE3,0xE3,63);

	map_area7(0xE0);
}