suyu/src/core/file_sys/romfs.h
Zach Hilman abbcc8e61e romfs: Add SingleDiscard extraction type
Needed for manual RomFS extraction, as Full generates an extra directory and Truncated generates variable results.
2018-12-28 15:30:36 -05:00

51 lines
1.3 KiB
C++

// Copyright 2018 yuzu emulator team
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include <array>
#include <map>
#include "common/common_funcs.h"
#include "common/common_types.h"
#include "common/swap.h"
#include "core/file_sys/vfs.h"
namespace FileSys {
struct RomFSHeader;
struct IVFCLevel {
u64_le offset;
u64_le size;
u32_le block_size;
u32_le reserved;
};
static_assert(sizeof(IVFCLevel) == 0x18, "IVFCLevel has incorrect size.");
struct IVFCHeader {
u32_le magic;
u32_le magic_number;
INSERT_PADDING_BYTES(8);
std::array<IVFCLevel, 6> levels;
INSERT_PADDING_BYTES(64);
};
static_assert(sizeof(IVFCHeader) == 0xE0, "IVFCHeader has incorrect size.");
enum class RomFSExtractionType {
Full, // Includes data directory
Truncated, // Traverses into data directory
SingleDiscard, // Traverses into the first subdirectory of root
};
// Converts a RomFS binary blob to VFS Filesystem
// Returns nullptr on failure
VirtualDir ExtractRomFS(VirtualFile file,
RomFSExtractionType type = RomFSExtractionType::Truncated);
// Converts a VFS filesystem into a RomFS binary
// Returns nullptr on failure
VirtualFile CreateRomFS(VirtualDir dir, VirtualDir ext = nullptr);
} // namespace FileSys