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/*
Copyright 2016-2023 melonDS team
This file is part of melonDS.
melonDS is free software: you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
Software Foundation, either version 3 of the License, or (at your option)
any later version.
melonDS is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with melonDS. If not, see http://www.gnu.org/licenses/.
*/
#ifndef DSI_H
#define DSI_H
#include "NDS.h"
#include "DSi_NDMA.h"
#include "DSi_SD.h"
#include "DSi_DSP.h"
#include "DSi_AES.h"
#include "DSi_Camera.h"
#include "DSi_NAND.h"
namespace melonDS
{
class DSi_I2CHost;
class DSi_CamModule;
class DSi_AES;
class DSi_DSP;
namespace DSi_NAND
{
class NANDImage;
}
class DSi final : public NDS
{
protected:
void DoSavestateExtra(Savestate* file) override;
public:
u16 SCFG_BIOS;
u16 SCFG_Clock9;
u32 SCFG_EXT[2];
u8 ARM9iBIOS[0x10000];
u8 ARM7iBIOS[0x10000];
std::unique_ptr<DSi_NAND::NANDImage> NANDImage;
DSi_SDHost SDMMC;
DSi_SDHost SDIO;
const u32 NWRAMSize = 0x40000;
u8* NWRAM_A;
u8* NWRAM_B;
u8* NWRAM_C;
u8* NWRAMMap_A[2][4];
u8* NWRAMMap_B[3][8];
u8* NWRAMMap_C[3][8];
u32 NWRAMStart[2][3];
u32 NWRAMEnd[2][3];
u32 NWRAMMask[2][3];
DSi_I2CHost I2C;
DSi_CamModule CamModule;
DSi_AES AES;
DSi_DSP DSP;
void Reset() override;
void Stop(Platform::StopReason reason) override;
bool DoSavestate(Savestate* file);
void SetCartInserted(bool inserted);
void SetupDirectBoot() override;
void SoftReset();
bool LoadNAND();
void RunNDMAs(u32 cpu);
void StallNDMAs();
bool NDMAsInMode(u32 cpu, u32 mode);
bool NDMAsRunning(u32 cpu);
void CheckNDMAs(u32 cpu, u32 mode);
void StopNDMAs(u32 cpu, u32 mode);
void MapNWRAM_A(u32 num, u8 val);
void MapNWRAM_B(u32 num, u8 val);
void MapNWRAM_C(u32 num, u8 val);
void MapNWRAMRange(u32 cpu, u32 num, u32 val);
u8 ARM9Read8(u32 addr) override;
u16 ARM9Read16(u32 addr) override;
u32 ARM9Read32(u32 addr) override;
void ARM9Write8(u32 addr, u8 val) override;
void ARM9Write16(u32 addr, u16 val) override;
void ARM9Write32(u32 addr, u32 val) override;
bool ARM9GetMemRegion(u32 addr, bool write, MemRegion* region) override;
u8 ARM7Read8(u32 addr) override;
u16 ARM7Read16(u32 addr) override;
u32 ARM7Read32(u32 addr) override;
void ARM7Write8(u32 addr, u8 val) override;
void ARM7Write16(u32 addr, u16 val) override;
void ARM7Write32(u32 addr, u32 val) override;
bool ARM7GetMemRegion(u32 addr, bool write, MemRegion* region) override;
u8 ARM9IORead8(u32 addr) override;
u16 ARM9IORead16(u32 addr) override;
u32 ARM9IORead32(u32 addr) override;
void ARM9IOWrite8(u32 addr, u8 val) override;
void ARM9IOWrite16(u32 addr, u16 val) override;
void ARM9IOWrite32(u32 addr, u32 val) override;
u8 ARM7IORead8(u32 addr) override;
u16 ARM7IORead16(u32 addr) override;
u32 ARM7IORead32(u32 addr) override;
void ARM7IOWrite8(u32 addr, u8 val) override;
void ARM7IOWrite16(u32 addr, u16 val) override;
void ARM7IOWrite32(u32 addr, u32 val) override;
public:
DSi() noexcept;
~DSi() noexcept override;
DSi(const DSi&) = delete;
DSi& operator=(const DSi&) = delete;
DSi(DSi&&) = delete;
DSi& operator=(DSi&&) = delete;
bool LoadCart(const u8* romdata, u32 romlen, const u8* savedata, u32 savelen) override;
void EjectCart() override;
bool NeedsDirectBoot() override
{
// for now, DSi mode requires original BIOS/NAND
return false;
}
void CamInputFrame(int cam, u32* data, int width, int height, bool rgb) override;
bool DMAsInMode(u32 cpu, u32 mode) override;
bool DMAsRunning(u32 cpu) override;
void StopDMAs(u32 cpu, u32 mode) override;
void CheckDMAs(u32 cpu, u32 mode) override;
u16 SCFG_Clock7;
u32 SCFG_MC;
u16 SCFG_RST;
u32 MBK[2][9];
u32 NDMACnt[2];
std::array<DSi_NDMA, 8> NDMAs;
// FIXME: these currently have no effect (and aren't stored in a savestate)
// ... not that they matter all that much
u8 GPIO_Data;
u8 GPIO_Dir;
u8 GPIO_IEdgeSel;
u8 GPIO_IE;
u8 GPIO_WiFi;
private:
void Set_SCFG_Clock9(u16 val);
void Set_SCFG_MC(u32 val);
void DecryptModcryptArea(u32 offset, u32 size, u8* iv);
void ApplyNewRAMSize(u32 size);
};
}
#endif // DSI_H
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