29aff8d5ab
* Virtual Filesystem * Fix delete bug and documentate * Review fixes + other stuff * Fix puyo regression
156 lines
4 KiB
C++
156 lines
4 KiB
C++
// Copyright 2018 yuzu emulator team
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#pragma once
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#include <array>
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#include <string>
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#include <vector>
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#include "common/bit_field.h"
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#include "common/common_types.h"
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#include "common/swap.h"
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#include "partition_filesystem.h"
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namespace Loader {
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enum class ResultStatus;
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}
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namespace FileSys {
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enum class ProgramAddressSpaceType : u8 {
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Is64Bit = 1,
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Is32Bit = 2,
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};
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enum class ProgramFilePermission : u64 {
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MountContent = 1ULL << 0,
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SaveDataBackup = 1ULL << 5,
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SdCard = 1ULL << 21,
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Calibration = 1ULL << 34,
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Bit62 = 1ULL << 62,
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Everything = 1ULL << 63,
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};
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/**
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* Helper which implements an interface to parse Program Description Metadata (NPDM)
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* Data can either be loaded from a file path or with data and an offset into it.
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*/
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class ProgramMetadata {
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public:
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Loader::ResultStatus Load(VirtualFile file);
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bool Is64BitProgram() const;
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ProgramAddressSpaceType GetAddressSpaceType() const;
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u8 GetMainThreadPriority() const;
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u8 GetMainThreadCore() const;
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u32 GetMainThreadStackSize() const;
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u64 GetTitleID() const;
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u64 GetFilesystemPermissions() const;
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void Print() const;
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private:
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// TODO(DarkLordZach): BitField is not trivially copyable.
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struct Header {
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std::array<char, 4> magic;
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std::array<u8, 8> reserved;
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union {
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u8 flags;
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BitField<0, 1, u8> has_64_bit_instructions;
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BitField<1, 3, ProgramAddressSpaceType> address_space_type;
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BitField<4, 4, u8> reserved_2;
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};
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u8 reserved_3;
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u8 main_thread_priority;
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u8 main_thread_cpu;
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std::array<u8, 8> reserved_4;
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u32_le process_category;
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u32_le main_stack_size;
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std::array<u8, 0x10> application_name;
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std::array<u8, 0x40> reserved_5;
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u32_le aci_offset;
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u32_le aci_size;
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u32_le acid_offset;
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u32_le acid_size;
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};
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static_assert(sizeof(Header) == 0x80, "NPDM header structure size is wrong");
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// TODO(DarkLordZach): BitField is not trivially copyable.
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struct AcidHeader {
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std::array<u8, 0x100> signature;
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std::array<u8, 0x100> nca_modulus;
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std::array<char, 4> magic;
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u32_le nca_size;
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std::array<u8, 0x4> reserved;
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union {
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u32 flags;
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BitField<0, 1, u32> is_retail;
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BitField<1, 31, u32> flags_unk;
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};
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u64_le title_id_min;
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u64_le title_id_max;
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u32_le fac_offset;
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u32_le fac_size;
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u32_le sac_offset;
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u32_le sac_size;
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u32_le kac_offset;
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u32_le kac_size;
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INSERT_PADDING_BYTES(0x8);
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};
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static_assert(sizeof(AcidHeader) == 0x240, "ACID header structure size is wrong");
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struct AciHeader {
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std::array<char, 4> magic;
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std::array<u8, 0xC> reserved;
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u64_le title_id;
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INSERT_PADDING_BYTES(0x8);
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u32_le fah_offset;
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u32_le fah_size;
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u32_le sac_offset;
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u32_le sac_size;
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u32_le kac_offset;
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u32_le kac_size;
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INSERT_PADDING_BYTES(0x8);
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};
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static_assert(sizeof(AciHeader) == 0x40, "ACI0 header structure size is wrong");
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#pragma pack(push, 1)
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struct FileAccessControl {
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u8 version;
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INSERT_PADDING_BYTES(3);
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u64_le permissions;
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std::array<u8, 0x20> unknown;
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};
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static_assert(sizeof(FileAccessControl) == 0x2C, "FS access control structure size is wrong");
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struct FileAccessHeader {
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u8 version;
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INSERT_PADDING_BYTES(3);
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u64_le permissions;
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u32_le unk_offset;
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u32_le unk_size;
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u32_le unk_offset_2;
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u32_le unk_size_2;
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};
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static_assert(sizeof(FileAccessHeader) == 0x1C, "FS access header structure size is wrong");
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#pragma pack(pop)
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Header npdm_header;
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AciHeader aci_header;
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AcidHeader acid_header;
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FileAccessControl acid_file_access;
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FileAccessHeader aci_file_access;
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};
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} // namespace FileSys
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