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// SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
#include <array>
#include <vector>
#include "common/bit_field.h"
#include "common/common_funcs.h"
#include "common/common_types.h"
#include "common/swap.h"
#include "core/file_sys/vfs_types.h"
namespace Loader {
enum class ResultStatus : u16;
}
namespace FileSys {
enum class ProgramAddressSpaceType : u8 {
Is32Bit = 0,
Is36Bit = 1,
Is32BitNoMap = 2,
Is39Bit = 3,
};
enum class ProgramFilePermission : u64 {
MountContent = 1ULL << 0,
SaveDataBackup = 1ULL << 5,
SdCard = 1ULL << 21,
Calibration = 1ULL << 34,
Bit62 = 1ULL << 62,
Everything = 1ULL << 63,
};
/**
* Helper which implements an interface to parse Program Description Metadata (NPDM)
* Data can either be loaded from a file path or with data and an offset into it.
*/
class ProgramMetadata {
public:
using KernelCapabilityDescriptors = std::vector<u32>;
ProgramMetadata();
~ProgramMetadata();
ProgramMetadata(const ProgramMetadata&) = default;
ProgramMetadata& operator=(const ProgramMetadata&) = default;
ProgramMetadata(ProgramMetadata&&) = default;
ProgramMetadata& operator=(ProgramMetadata&&) = default;
/// Gets a default ProgramMetadata configuration, should only be used for homebrew formats where
/// we do not have an NPDM file
static ProgramMetadata GetDefault();
Loader::ResultStatus Load(VirtualFile file);
Loader::ResultStatus Reload(VirtualFile file);
/// Load from parameters instead of NPDM file, used for KIP
void LoadManual(bool is_64_bit, ProgramAddressSpaceType address_space, s32 main_thread_prio,
u32 main_thread_core, u32 main_thread_stack_size, u64 title_id,
u64 filesystem_permissions, u32 system_resource_size,
KernelCapabilityDescriptors capabilities);
bool Is64BitProgram() const;
ProgramAddressSpaceType GetAddressSpaceType() const;
u8 GetMainThreadPriority() const;
u8 GetMainThreadCore() const;
u32 GetMainThreadStackSize() const;
u64 GetTitleID() const;
u64 GetFilesystemPermissions() const;
u32 GetSystemResourceSize() const;
const KernelCapabilityDescriptors& GetKernelCapabilities() const;
void Print() const;
private:
struct Header {
std::array<char, 4> magic;
std::array<u8, 8> reserved;
union {
u8 flags;
BitField<0, 1, u8> has_64_bit_instructions;
BitField<1, 3, ProgramAddressSpaceType> address_space_type;
BitField<4, 4, u8> reserved_2;
};
u8 reserved_3;
u8 main_thread_priority;
u8 main_thread_cpu;
std::array<u8, 4> reserved_4;
u32_le system_resource_size;
u32_le process_category;
u32_le main_stack_size;
std::array<u8, 0x10> application_name;
std::array<u8, 0x40> reserved_5;
u32_le aci_offset;
u32_le aci_size;
u32_le acid_offset;
u32_le acid_size;
};
static_assert(sizeof(Header) == 0x80, "NPDM header structure size is wrong");
struct AcidHeader {
std::array<u8, 0x100> signature;
std::array<u8, 0x100> nca_modulus;
std::array<char, 4> magic;
u32_le nca_size;
std::array<u8, 0x4> reserved;
union {
u32 flags;
BitField<0, 1, u32> is_retail;
BitField<1, 31, u32> flags_unk;
};
u64_le title_id_min;
u64_le title_id_max;
u32_le fac_offset;
u32_le fac_size;
u32_le sac_offset;
u32_le sac_size;
u32_le kac_offset;
u32_le kac_size;
INSERT_PADDING_BYTES(0x8);
};
static_assert(sizeof(AcidHeader) == 0x240, "ACID header structure size is wrong");
struct AciHeader {
std::array<char, 4> magic;
std::array<u8, 0xC> reserved;
u64_le title_id;
INSERT_PADDING_BYTES(0x8);
u32_le fah_offset;
u32_le fah_size;
u32_le sac_offset;
u32_le sac_size;
u32_le kac_offset;
u32_le kac_size;
INSERT_PADDING_BYTES(0x8);
};
static_assert(sizeof(AciHeader) == 0x40, "ACI0 header structure size is wrong");
// FileAccessControl and FileAccessHeader need loaded per-component: this layout does not
// reflect the real layout to avoid reference binding to misaligned addresses
struct FileAccessControl {
u8 version;
// 3 padding bytes
u64_le permissions;
std::array<u8, 0x20> unknown;
};
struct FileAccessHeader {
u8 version;
// 3 padding bytes
u64_le permissions;
u32_le unk_offset;
u32_le unk_size;
u32_le unk_offset_2;
u32_le unk_size_2;
};
Header npdm_header;
AciHeader aci_header;
AcidHeader acid_header;
FileAccessControl acid_file_access;
FileAccessHeader aci_file_access;
KernelCapabilityDescriptors aci_kernel_capabilities;
};
} // namespace FileSys
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