130 lines
4.8 KiB
C
130 lines
4.8 KiB
C
/*
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* fs_ext.h
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*
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* Copyright (c) 2020-2024, DarkMatterCore <pabloacurielz@gmail.com>.
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*
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* This file is part of nxdumptool (https://github.com/DarkMatterCore/nxdumptool).
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*
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* nxdumptool is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* nxdumptool is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#pragma once
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#ifndef __FS_EXT_H__
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#define __FS_EXT_H__
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define GAMECARD_CERT_MAGIC 0x43455254 /* "CERT". */
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/// Located at offset 0x7000 in the gamecard image.
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typedef struct {
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u8 signature[0x100]; ///< RSA-2048-PKCS#1 v1.5 with SHA-256 signature over the rest of the data.
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u32 magic; ///< "CERT".
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u32 version;
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u8 kek_index;
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u8 reserved[0x7];
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u8 t1_card_device_id[0x10];
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u8 iv[0x10];
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u8 hw_key[0x10]; ///< Encrypted.
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u8 data[0xC0]; ///< Encrypted.
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} FsGameCardCertificate;
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NXDT_ASSERT(FsGameCardCertificate, 0x200);
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typedef enum {
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FsCardId1MakerCode_MegaChips = 0xC2,
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FsCardId1MakerCode_Lapis = 0xAE,
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FsCardId1MakerCode_Unknown = 0x36 ///< Seen in TLoZ:TotK, SMBW and other modern releases.
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} FsCardId1MakerCode;
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typedef enum {
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FsCardId1MemoryType_None = 0,
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FsCardId1MemoryType_CardModeT1 = BIT(0),
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FsCardId1MemoryType_CardModeT2 = BIT(1),
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FsCardId1MemoryType_Unknown1 = BIT(2), ///< Related to CardMode?
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FsCardId1MemoryType_IsNand = BIT(3), ///< 0: Rom, 1: Nand.
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FsCardId1MemoryType_Unknown2 = BIT(4), ///< Related to Nand memory type?
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FsCardId1MemoryType_IsLate = BIT(5), ///< 0: Fast, 1: Late.
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FsCardId1MemoryType_Unknown3 = BIT(6),
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FsCardId1MemoryType_Unknown4 = BIT(7),
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FsCardId1MemoryType_Count = 8, ///< Total values supported by this enum.
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///< Values defined in Atmosphère source code.
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FsCardId1MemoryType_T1RomFast = FsCardId1MemoryType_CardModeT1,
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FsCardId1MemoryType_T2RomFast = FsCardId1MemoryType_CardModeT2,
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FsCardId1MemoryType_T1NandFast = (FsCardId1MemoryType_IsNand | FsCardId1MemoryType_CardModeT1),
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FsCardId1MemoryType_T2NandFast = (FsCardId1MemoryType_IsNand | FsCardId1MemoryType_CardModeT2),
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FsCardId1MemoryType_T1RomLate = (FsCardId1MemoryType_IsLate | FsCardId1MemoryType_CardModeT1),
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FsCardId1MemoryType_T2RomLate = (FsCardId1MemoryType_IsLate | FsCardId1MemoryType_CardModeT2),
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FsCardId1MemoryType_T1NandLate = (FsCardId1MemoryType_IsLate | FsCardId1MemoryType_IsNand | FsCardId1MemoryType_CardModeT1),
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FsCardId1MemoryType_T2NandLate = (FsCardId1MemoryType_IsLate | FsCardId1MemoryType_IsNand | FsCardId1MemoryType_CardModeT2)
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} FsCardId1MemoryType;
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typedef struct {
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u8 maker_code; ///< FsCardId1MakerCode.
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u8 memory_capacity; ///< Matches GameCardRomSize.
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u8 reserved; ///< Known values: 0x00, 0x01, 0x02, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0C, 0x0D, 0x0E, 0x80.
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u8 memory_type; ///< FsCardId1MemoryType.
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} FsCardId1;
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NXDT_ASSERT(FsCardId1, 0x4);
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typedef enum {
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FsCardId2CardType_Rom = 0,
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FsCardId2CardType_WritableDevT1 = 1,
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FsCardId2CardType_WritableProdT1 = 2,
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FsCardId2CardType_WritableDevT2 = 3,
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FsCardId2CardType_WritableProdT2 = 4,
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FsCardId2CardType_Count = 5 ///< Total values supported by this enum.
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} FsCardId2CardType;
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typedef struct {
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u8 sel_t1_key; ///< Matches sel_t1_key value from GameCardHeader (usually 0x02).
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u8 card_type; ///< FsCardId2CardType.
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u8 reserved[0x2]; ///< Usually filled with zeroes.
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} FsCardId2;
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NXDT_ASSERT(FsCardId2, 0x4);
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typedef struct {
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u8 reserved[0x4]; ///< Usually filled with zeroes.
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} FsCardId3;
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NXDT_ASSERT(FsCardId3, 0x4);
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/// Returned by fsDeviceOperatorGetGameCardIdSet.
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typedef struct {
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FsCardId1 id1; ///< Specifies maker code, memory capacity and memory type.
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FsCardId2 id2; ///< Specifies card security number and card type.
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FsCardId3 id3; ///< Always zero (so far).
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} FsGameCardIdSet;
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NXDT_ASSERT(FsGameCardIdSet, 0xC);
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/// IFileSystemProxy.
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Result fsOpenGameCardStorage(FsStorage *out, const FsGameCardHandle *handle, u32 partition);
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Result fsOpenGameCardDetectionEventNotifier(FsEventNotifier *out);
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/// IDeviceOperator.
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Result fsDeviceOperatorUpdatePartitionInfo(FsDeviceOperator *d, const FsGameCardHandle *handle, u32 *out_title_version, u64 *out_title_id);
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#ifdef __cplusplus
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}
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#endif
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#endif /* __FS_EXT_H__ */
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