mirror of
https://github.com/Atmosphere-NX/Atmosphere.git
synced 2024-12-27 04:36:04 +00:00
81 lines
2.9 KiB
C++
81 lines
2.9 KiB
C++
/*
|
|
* Copyright (c) 2018-2020 Atmosphère-NX
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify it
|
|
* under the terms and conditions of the GNU General Public License,
|
|
* version 2, as published by the Free Software Foundation.
|
|
*
|
|
* This program is distributed in the hope it will be useful, but WITHOUT
|
|
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
|
|
* more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
#pragma once
|
|
#include <vapours.hpp>
|
|
|
|
namespace ams::pkg2 {
|
|
|
|
constexpr inline size_t Package2SizeMax = 8_MB - 16_KB;
|
|
constexpr inline size_t PayloadAlignment = 4;
|
|
|
|
constexpr inline int PayloadCount = 3;
|
|
|
|
constexpr inline int MinimumValidDataVersion = 0; /* We allow older package2 to load; this value is currently 0x10 in Nintendo's code. */
|
|
constexpr inline int CurrentBootloaderVersion = 0xD;
|
|
|
|
struct Package2Meta {
|
|
using Magic = util::FourCC<'P','K','2','1'>;
|
|
|
|
u32 package2_size;
|
|
u8 key_generation;
|
|
u8 header_iv_remainder[11];
|
|
u8 payload_ivs[PayloadCount][0x10];
|
|
u8 padding_40[0x10];
|
|
u8 magic[4];
|
|
u32 entrypoint;
|
|
u8 padding_58[4];
|
|
u8 package2_version;
|
|
u8 bootloader_version;
|
|
u8 padding_5E[2];
|
|
u32 payload_sizes[PayloadCount];
|
|
u8 padding_6C[4];
|
|
u32 payload_offsets[PayloadCount];
|
|
u8 padding_7C[4];
|
|
u8 payload_hashes[PayloadCount][crypto::Sha256Generator::HashSize];
|
|
u8 padding_E0[0x20];
|
|
|
|
private:
|
|
static ALWAYS_INLINE u32 ReadWord(const void *ptr, int offset) {
|
|
return util::LoadLittleEndian(reinterpret_cast<const u32 *>(reinterpret_cast<uintptr_t>(ptr) + offset));
|
|
}
|
|
public:
|
|
ALWAYS_INLINE u8 GetKeyGeneration() const {
|
|
return static_cast<u8>(std::max<s32>(0, static_cast<s32>(this->key_generation ^ this->header_iv_remainder[1] ^ this->header_iv_remainder[2]) - 1));
|
|
}
|
|
|
|
ALWAYS_INLINE u32 GetSize() const {
|
|
return this->package2_size ^ ReadWord(this->header_iv_remainder, 3) ^ ReadWord(this->header_iv_remainder, 7);
|
|
}
|
|
};
|
|
static_assert(util::is_pod<Package2Meta>::value);
|
|
static_assert(sizeof(Package2Meta) == 0x100);
|
|
|
|
struct Package2Header {
|
|
u8 signature[0x100];
|
|
Package2Meta meta;
|
|
};
|
|
static_assert(util::is_pod<Package2Header>::value);
|
|
static_assert(sizeof(Package2Header) == 0x200);
|
|
|
|
struct StorageLayout {
|
|
u8 boot_config[16_KB];
|
|
Package2Header package2_header;
|
|
u8 data[Package2SizeMax - sizeof(Package2Header)];
|
|
};
|
|
static_assert(util::is_pod<StorageLayout>::value);
|
|
static_assert(sizeof(StorageLayout) == 8_MB);
|
|
|
|
}
|