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suyu/src/core/file_sys/card_image.h
2018-08-11 22:50:48 -04:00

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2.5 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 <vector>
#include "common/common_types.h"
#include "common/swap.h"
#include "core/file_sys/content_archive.h"
#include "core/file_sys/vfs.h"
#include "core/loader/loader.h"
namespace FileSys {
enum class GamecardSize : u8 {
S_1GB = 0xFA,
S_2GB = 0xF8,
S_4GB = 0xF0,
S_8GB = 0xE0,
S_16GB = 0xE1,
S_32GB = 0xE2,
};
struct GamecardInfo {
std::array<u8, 0x70> data;
};
static_assert(sizeof(GamecardInfo) == 0x70, "GamecardInfo has incorrect size.");
struct GamecardHeader {
std::array<u8, 0x100> signature;
u32_le magic;
u32_le secure_area_start;
u32_le backup_area_start;
u8 kek_index;
GamecardSize size;
u8 header_version;
u8 flags;
u64_le package_id;
u64_le valid_data_end;
u128 info_iv;
u64_le hfs_offset;
u64_le hfs_size;
std::array<u8, 0x20> hfs_header_hash;
std::array<u8, 0x20> initial_data_hash;
u32_le secure_mode_flag;
u32_le title_key_flag;
u32_le key_flag;
u32_le normal_area_end;
GamecardInfo info;
};
static_assert(sizeof(GamecardHeader) == 0x200, "GamecardHeader has incorrect size.");
enum class XCIPartition : u8 { Update, Normal, Secure, Logo };
class XCI : public ReadOnlyVfsDirectory {
public:
explicit XCI(VirtualFile file);
Loader::ResultStatus GetStatus() const;
u8 GetFormatVersion() const;
VirtualDir GetPartition(XCIPartition partition) const;
VirtualDir GetSecurePartition() const;
VirtualDir GetNormalPartition() const;
VirtualDir GetUpdatePartition() const;
VirtualDir GetLogoPartition() const;
const std::vector<std::shared_ptr<NCA>>& GetNCAs() const;
std::shared_ptr<NCA> GetNCAByType(NCAContentType type) const;
VirtualFile GetNCAFileByType(NCAContentType type) const;
std::vector<std::shared_ptr<VfsFile>> GetFiles() const override;
std::vector<std::shared_ptr<VfsDirectory>> GetSubdirectories() const override;
std::string GetName() const override;
std::shared_ptr<VfsDirectory> GetParentDirectory() const override;
protected:
bool ReplaceFileWithSubdirectory(VirtualFile file, VirtualDir dir) override;
private:
Loader::ResultStatus AddNCAFromPartition(XCIPartition part);
VirtualFile file;
GamecardHeader header{};
Loader::ResultStatus status;
std::vector<VirtualDir> partitions;
std::vector<std::shared_ptr<NCA>> ncas;
};
} // namespace FileSys