Files
kaizen/src/backend/core/Mem.hpp
2023-02-26 03:49:53 +01:00

124 lines
2.7 KiB
C++

#pragma once
#include <common.hpp>
#include <backend/MemoryRegions.hpp>
#include <backend/core/MMIO.hpp>
#include <vector>
#include <backend/RomHelpers.hpp>
#include <log.hpp>
#include <Registers.hpp>
#include <algorithm>
#include <GameDB.hpp>
namespace n64 {
struct CartInfo {
bool isPAL;
u32 cicType;
u32 crc;
};
struct JIT;
struct ROMHeader {
u8 initialValues[4];
u32 clockRate;
u32 programCounter;
u32 release;
u32 crc1;
u32 crc2;
u64 unknown;
char imageName[20];
u32 unknown2;
u32 manufacturerId;
u16 cartridgeId;
char countryCode[2];
u8 bootCode[4032];
};
struct ROM {
u8* cart;
size_t size;
size_t mask;
ROMHeader header;
CICType cicType;
char gameNameCart[20];
std::string gameNameDB;
char code[4];
bool pal;
};
struct Mem {
~Mem() {
free(sram);
}
Mem();
void Reset();
void LoadROM(const std::string&);
[[nodiscard]] auto GetRDRAM() const -> u8* {
return mmio.rdp.rdram;
}
u8 Read8(Registers&, u32);
u16 Read16(Registers&, u32);
u32 Read32(Registers&, u32);
u64 Read64(Registers&, u32);
void Write8(Registers&, JIT&, u32, u32);
void Write16(Registers&, JIT&, u32, u32);
void Write32(Registers&, JIT&, u32, u32);
void Write64(Registers&, JIT&, u32, u64);
void Write8(Registers&, u32, u32);
void Write16(Registers&, u32, u32);
void Write32(Registers&, u32, u32);
void Write64(Registers&, u32, u64);
MMIO mmio;
inline void DumpRDRAM() const {
FILE *fp = fopen("rdram.dump", "wb");
u8 *temp = (u8*)calloc(RDRAM_SIZE, 1);
memcpy(temp, mmio.rdp.rdram, RDRAM_SIZE);
Util::SwapBuffer32(RDRAM_SIZE, temp);
fwrite(temp, 1, RDRAM_SIZE, fp);
free(temp);
fclose(fp);
}
inline void DumpIMEM() const {
FILE *fp = fopen("imem.bin", "wb");
u8 *temp = (u8*)calloc(IMEM_SIZE, 1);
memcpy(temp, mmio.rsp.imem, IMEM_SIZE);
Util::SwapBuffer32(IMEM_SIZE, temp);
fwrite(temp, 1, IMEM_SIZE, fp);
free(temp);
fclose(fp);
}
inline void DumpDMEM() const {
FILE *fp = fopen("dmem.dump", "wb");
u8 *temp = (u8*)calloc(DMEM_SIZE, 1);
memcpy(temp, mmio.rsp.dmem, DMEM_SIZE);
Util::SwapBuffer32(DMEM_SIZE, temp);
fwrite(temp, 1, DMEM_SIZE, fp);
free(temp);
fclose(fp);
}
uintptr_t writePages[PAGE_COUNT], readPages[PAGE_COUNT];
ROM rom;
SaveType saveType;
private:
friend struct SI;
friend struct PI;
friend struct AI;
friend struct RSP;
friend struct Core;
u8* sram;
u8 isviewer[ISVIEWER_SIZE]{};
bool IsROMPAL() {
static const char pal_codes[] = {'D', 'F', 'I', 'P', 'S', 'U', 'X', 'Y'};
return std::any_of(std::begin(pal_codes), std::end(pal_codes), [this](char a) {
return rom.cart[0x3e] == a;
});
}
};
}