mirror of
https://github.com/RetroDECK/Duckstation.git
synced 2025-02-01 04:05:38 +00:00
73 lines
2 KiB
C++
73 lines
2 KiB
C++
#pragma once
|
|
#include "types.h"
|
|
#include <optional>
|
|
#include <string>
|
|
#include <string_view>
|
|
#include <vector>
|
|
|
|
namespace BIOS {
|
|
enum : u32
|
|
{
|
|
BIOS_BASE = 0x1FC00000,
|
|
BIOS_SIZE = 0x80000,
|
|
BIOS_SIZE_PS2 = 0x400000,
|
|
BIOS_SIZE_PS3 = 0x3E66F0
|
|
};
|
|
|
|
using Image = std::vector<u8>;
|
|
|
|
struct Hash
|
|
{
|
|
u8 bytes[16];
|
|
|
|
ALWAYS_INLINE bool operator==(const Hash& bh) const { return (std::memcmp(bytes, bh.bytes, sizeof(bytes)) == 0); }
|
|
ALWAYS_INLINE bool operator!=(const Hash& bh) const { return (std::memcmp(bytes, bh.bytes, sizeof(bytes)) != 0); }
|
|
|
|
std::string ToString() const;
|
|
};
|
|
|
|
struct ImageInfo
|
|
{
|
|
const char* description;
|
|
ConsoleRegion region;
|
|
Hash hash;
|
|
bool patch_compatible;
|
|
};
|
|
|
|
#pragma pack(push, 1)
|
|
struct PSEXEHeader
|
|
{
|
|
char id[8]; // 0x000-0x007 PS-X EXE
|
|
char pad1[8]; // 0x008-0x00F
|
|
u32 initial_pc; // 0x010
|
|
u32 initial_gp; // 0x014
|
|
u32 load_address; // 0x018
|
|
u32 file_size; // 0x01C excluding 0x800-byte header
|
|
u32 unk0; // 0x020
|
|
u32 unk1; // 0x024
|
|
u32 memfill_start; // 0x028
|
|
u32 memfill_size; // 0x02C
|
|
u32 initial_sp_base; // 0x030
|
|
u32 initial_sp_offset; // 0x034
|
|
u32 reserved[5]; // 0x038-0x04B
|
|
char marker[0x7B4]; // 0x04C-0x7FF
|
|
};
|
|
static_assert(sizeof(PSEXEHeader) == 0x800);
|
|
#pragma pack(pop)
|
|
|
|
Hash GetHash(const Image& image);
|
|
std::optional<Image> LoadImageFromFile(const char* filename);
|
|
std::optional<Hash> GetHashForFile(const char* filename);
|
|
|
|
const ImageInfo* GetImageInfoForHash(const Hash& hash);
|
|
bool IsValidHashForRegion(ConsoleRegion region, const Hash& hash);
|
|
|
|
void PatchBIOS(u8* image, u32 image_size, u32 address, u32 value, u32 mask = UINT32_C(0xFFFFFFFF));
|
|
|
|
bool PatchBIOSEnableTTY(u8* image, u32 image_size, const Hash& hash);
|
|
bool PatchBIOSFastBoot(u8* image, u32 image_size, const Hash& hash);
|
|
bool PatchBIOSForEXE(u8* image, u32 image_size, u32 r_pc, u32 r_gp, u32 r_sp, u32 r_fp);
|
|
|
|
bool IsValidPSExeHeader(const PSEXEHeader& header, u32 file_size);
|
|
DiscRegion GetPSExeDiscRegion(const PSEXEHeader& header);
|
|
} // namespace BIOS
|