mirror of
https://github.com/DarkMatterCore/nxdumptool.git
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789a6d6eb8
Other changes include: * gamecard: rename gamecardGetDecryptedCardInfoArea() -> gamecardGetPlaintextCardInfoArea(). * FocusableItem, FocusableTable: add positional arguments for the FocusableItem class constructor.
357 lines
17 KiB
C
357 lines
17 KiB
C
/*
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* gamecard.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 __GAMECARD_H__
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#define __GAMECARD_H__
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#include "fs_ext.h"
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#include "hfs.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define GAMECARD_HEAD_MAGIC 0x48454144 /* "HEAD". */
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#define GAMECARD_PAGE_SIZE 0x200
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#define GAMECARD_PAGE_OFFSET(x) ((u64)(x) * GAMECARD_PAGE_SIZE)
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#define GAMECARD_UPDATE_TID SYSTEM_UPDATE_TID
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#define GAMECARD_CERTIFICATE_OFFSET 0x7000
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/// Encrypted using AES-128-ECB with the common titlekek generator key (stored in the .rodata segment from the Lotus firmware).
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typedef struct {
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union {
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u8 value[0x10];
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struct {
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u8 package_id[0x8]; ///< Matches package_id from GameCardHeader.
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u8 reserved[0x8]; ///< Just zeroes.
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};
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};
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} GameCardKeySource;
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NXDT_ASSERT(GameCardKeySource, 0x10);
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/// Plaintext area. Dumped from FS program memory.
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typedef struct {
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GameCardKeySource key_source;
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u8 encrypted_titlekey[0x10]; ///< Encrypted using AES-128-CCM with the decrypted key_source and the nonce from this section.
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u8 mac[0x10]; ///< Used to verify the validity of the decrypted titlekey.
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u8 nonce[0xC]; ///< Used as the IV to decrypt encrypted_titlekey using AES-128-CCM.
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u8 reserved[0x1C4];
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} GameCardInitialData;
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NXDT_ASSERT(GameCardInitialData, 0x200);
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/// Encrypted using AES-128-CTR with the key and IV/counter from the `GameCardTitleKeyAreaEncryption` section. Assumed to be all zeroes in retail gamecards.
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typedef struct {
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u8 titlekey[0x10]; ///< Decrypted titlekey from the `GameCardInitialData` section.
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u8 reserved[0xCF0];
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} GameCardTitleKeyArea;
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NXDT_ASSERT(GameCardTitleKeyArea, 0xD00);
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/// Encrypted using RSA-2048-OAEP and a private OAEP key from AuthoringTool. Assumed to be all zeroes in retail gamecards.
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typedef struct {
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u8 titlekey_encryption_key[0x10]; ///< Used as the AES-128-CTR key for the `GameCardTitleKeyArea` section. Randomly generated during XCI creation by AuthoringTool.
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u8 titlekey_encryption_iv[0x10]; ///< Used as the AES-128-CTR IV/counter for the `GameCardTitleKeyArea` section. Randomly generated during XCI creation by AuthoringTool.
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u8 reserved[0xE0];
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} GameCardTitleKeyAreaEncryption;
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NXDT_ASSERT(GameCardTitleKeyAreaEncryption, 0x100);
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/// Used to secure communications between the Lotus and the inserted gamecard.
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/// Supposedly precedes the gamecard header.
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typedef struct {
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GameCardInitialData initial_data;
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GameCardTitleKeyArea titlekey_area;
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GameCardTitleKeyAreaEncryption titlekey_area_encryption;
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} GameCardKeyArea;
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NXDT_ASSERT(GameCardKeyArea, 0x1000);
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/// Plaintext area. Dumped from FS program memory.
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/// Overall structure may change with each new LAFW version.
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typedef struct {
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u32 asic_security_mode; ///< Determines how the Lotus ASIC initialised the gamecard security mode. Usually 0xFFFFFFF9.
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u32 asic_status; ///< Bitmask of the internal gamecard interface status. Usually 0x20000000.
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FsCardId1 card_id1;
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FsCardId2 card_id2;
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u8 card_uid[0x40];
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u8 reserved[0x190];
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u8 asic_session_hash[0x20]; ///< Changes with each gamecard (re)insertion.
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} GameCardSpecificData;
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NXDT_ASSERT(GameCardSpecificData, 0x200);
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/// Plaintext area. Dumped from FS program memory.
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/// This struct is returned by Lotus command "ChangeToSecureMode" (0xF). This means it is only available *after* the gamecard secure area has been mounted.
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/// A copy of the gamecard header without the RSA-2048 signature and a plaintext GameCardInfo precedes this struct in FS program memory.
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typedef struct {
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GameCardSpecificData specific_data;
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FsGameCardCertificate certificate;
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u8 reserved[0x200];
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GameCardInitialData initial_data;
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} GameCardSecurityInformation;
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NXDT_ASSERT(GameCardSecurityInformation, 0x800);
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typedef enum {
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GameCardKekIndex_Version0 = 0,
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GameCardKekIndex_VersionForDev = 1,
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GameCardKekIndex_Count = 2 ///< Total values supported by this enum.
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} GameCardKekIndex;
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typedef struct {
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u8 kek_index : 4; ///< GameCardKekIndex.
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u8 titlekey_dec_index : 4;
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} GameCardKeyIndex;
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NXDT_ASSERT(GameCardKeyIndex, 0x1);
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typedef enum {
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GameCardRomSize_1GiB = 0xFA,
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GameCardRomSize_2GiB = 0xF8,
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GameCardRomSize_4GiB = 0xF0,
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GameCardRomSize_8GiB = 0xE0,
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GameCardRomSize_16GiB = 0xE1,
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GameCardRomSize_32GiB = 0xE2
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} GameCardRomSize;
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typedef enum {
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GameCardFlags_None = 0,
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GameCardFlags_AutoBoot = BIT(0),
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GameCardFlags_HistoryErase = BIT(1),
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GameCardFlags_RepairTool = BIT(2),
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GameCardFlags_DifferentRegionCupToTerraDevice = BIT(3),
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GameCardFlags_DifferentRegionCupToGlobalDevice = BIT(4),
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GameCardFlags_HasCa10Certificate = BIT(7),
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GameCardFlags_Count = 6 ///< Total values supported by this enum.
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} GameCardFlags;
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typedef enum {
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GameCardSelSec_ForT1 = 1,
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GameCardSelSec_ForT2 = 2,
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GameCardSelSec_Count = 2 ///< Total values supported by this enum.
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} GameCardSelSec;
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typedef enum {
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GameCardFwVersion_ForDev = 0,
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GameCardFwVersion_Since100NUP = 1, ///< upp_version >= 0 (0.0.0-0.0) in GameCardInfo.
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GameCardFwVersion_Since400NUP = 2, ///< upp_version >= 268435456 (4.0.0-0.0) in GameCardInfo.
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GameCardFwVersion_Since900NUP = 3, ///< upp_version >= 603979776 (9.0.0-0.0) in GameCardInfo. Seems to be unused.
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GameCardFwVersion_Since1100NUP = 4, ///< upp_version >= 738197504 (11.0.0-0.0) in GameCardInfo.
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GameCardFwVersion_Since1200NUP = 5, ///< upp_version >= 805306368 (12.0.0-0.0) in GameCardInfo.
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GameCardFwVersion_Count = 6 ///< Total values supported by this enum.
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} GameCardFwVersion;
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typedef enum {
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GameCardAccCtrl1_25MHz = 0xA10011,
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GameCardAccCtrl1_50MHz = 0xA10010 ///< GameCardRomSize_8GiB or greater.
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} GameCardAccCtrl1;
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typedef enum {
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GameCardCompatibilityType_Normal = 0,
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GameCardCompatibilityType_Terra = 1,
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GameCardCompatibilityType_Count = 2 ///< Total values supported by this enum.
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} GameCardCompatibilityType;
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/// Encrypted using AES-128-CBC with the XCI header key (found in FS program memory under HOS 9.0.0+) and the IV from `GameCardHeader`.
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typedef struct {
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u64 fw_version; ///< GameCardFwVersion.
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u32 acc_ctrl_1; ///< GameCardAccCtrl1.
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u32 wait_1_time_read; ///< Always 0x1388.
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u32 wait_2_time_read; ///< Always 0.
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u32 wait_1_time_write; ///< Always 0.
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u32 wait_2_time_write; ///< Always 0.
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Version fw_mode; ///< Current SDK version.
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Version upp_version; ///< Bundled system update version.
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u8 compatibility_type; ///< GameCardCompatibilityType.
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u8 reserved_1[0x3];
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u64 upp_hash; ///< Checksum for the update partition. The exact way it's calculated is currently unknown.
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u64 upp_id; ///< Must match GAMECARD_UPDATE_TID.
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u8 reserved_2[0x38];
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} GameCardInfo;
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NXDT_ASSERT(GameCardInfo, 0x70);
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/// Placed after the `GameCardKeyArea` section.
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typedef struct {
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u8 signature[0x100]; ///< RSA-2048-PSS with SHA-256 signature over the rest of the header.
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u32 magic; ///< "HEAD".
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u32 rom_area_start_page; ///< Expressed in GAMECARD_PAGE_SIZE units.
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u32 backup_area_start_page; ///< Always 0xFFFFFFFF.
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GameCardKeyIndex key_index;
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u8 rom_size; ///< GameCardRomSize.
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u8 version; ///< Always 0x00.
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u8 flags; ///< GameCardFlags.
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u8 package_id[0x8]; ///< Used for challenge-response authentication.
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u32 valid_data_end_page; ///< Expressed in GAMECARD_PAGE_SIZE units.
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u8 reserved[0x4];
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u8 card_info_iv[AES_128_KEY_SIZE]; ///< AES-128-CBC IV for the CardInfo area (reversed).
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u64 partition_fs_header_address; ///< Root Hash File System header offset.
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u64 partition_fs_header_size; ///< Root Hash File System header size.
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u8 partition_fs_header_hash[SHA256_HASH_SIZE];
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u8 initial_data_hash[SHA256_HASH_SIZE];
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u32 sel_sec; ///< GameCardSelSec.
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u32 sel_t1_key; ///< Always 0x02.
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u32 sel_key; ///< Always 0x00.
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u32 lim_area_page; ///< Expressed in GAMECARD_PAGE_SIZE units.
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GameCardInfo card_info;
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} GameCardHeader;
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NXDT_ASSERT(GameCardHeader, 0x200);
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typedef enum {
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GameCardStatus_NotInserted = 0, ///< No gamecard is inserted.
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GameCardStatus_Processing = 1, ///< A gamecard has been inserted and it's being processed.
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GameCardStatus_NoGameCardPatchEnabled = 2, ///< A gamecard has been inserted, but the running CFW enabled the "nogc" patch at boot.
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///< This triggers an error whenever fsDeviceOperatorGetGameCardHandle is called. Nothing at all can be done with the inserted gamecard.
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GameCardStatus_LotusAsicFirmwareUpdateRequired = 3, ///< A gamecard has been inserted, but a LAFW update is needed before being able to read the secure storage area.
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///< Operations on the normal storage area are still possible, though.
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GameCardStatus_InsertedAndInfoNotLoaded = 4, ///< A gamecard has been inserted, but an unexpected error unrelated to both "nogc" patch and LAFW version occurred.
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GameCardStatus_InsertedAndInfoLoaded = 5, ///< A gamecard has been inserted and all required information could be successfully retrieved from it.
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GameCardStatus_Count = 6 ///< Total values supported by this enum.
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} GameCardStatus;
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typedef enum {
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LotusAsicFirmwareType_ReadFw = 0xFF,
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LotusAsicFirmwareType_ReadDevFw = 0xFFFF,
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LotusAsicFirmwareType_WriterFw = 0xFFFFFF,
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LotusAsicFirmwareType_RmaFw = 0xFFFFFFFF
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} LotusAsicFirmwareType;
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typedef enum {
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LotusAsicDeviceType_Test = 0,
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LotusAsicDeviceType_Dev = 1,
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LotusAsicDeviceType_Prod = 2,
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LotusAsicDeviceType_Prod2Dev = 3,
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LotusAsicDeviceType_Count = 4 ///< Total values supported by this enum.
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} LotusAsicDeviceType;
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/// Plaintext Lotus ASIC firmware (LAFW) blob. Dumped from FS program memory.
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typedef struct {
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u8 signature[0x100];
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u32 magic; ///< "LAFW".
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u32 fw_type; ///< LotusAsicFirmwareType.
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u8 reserved_1[0x8];
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struct {
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u64 fw_version : 62; ///< Stored using a bitmask.
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u64 device_type : 2; ///< LotusAsicDeviceType.
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};
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u32 data_size;
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u8 reserved_2[0x4];
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u8 data_iv[AES_128_KEY_SIZE];
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char placeholder_str[0x10]; ///< "IDIDIDIDIDIDIDID".
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u8 reserved_3[0x40];
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u8 data[0x7680];
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} LotusAsicFirmwareBlob;
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NXDT_ASSERT(LotusAsicFirmwareBlob, 0x7800);
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/// Initializes data needed to access raw gamecard storage areas.
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/// Also spans a background thread to automatically detect gamecard status changes and to cache data from the inserted gamecard.
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bool gamecardInitialize(void);
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/// Deinitializes data generated by gamecardInitialize().
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/// This includes destroying the background gamecard detection thread and freeing all cached gamecard data.
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void gamecardExit(void);
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/// Returns a user-mode gamecard status change event that can be used to wait for status changes on other threads.
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/// If the gamecard interface hasn't been initialized, this returns NULL.
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UEvent *gamecardGetStatusChangeUserEvent(void);
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/// Returns the current GameCardStatus value.
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u8 gamecardGetStatus(void);
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/// Fills the provided GameCardSecurityInformation pointer.
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/// This area can't be read using gamecardReadStorage().
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bool gamecardGetSecurityInformation(GameCardSecurityInformation *out);
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/// Fills the provided FsGameCardIdSet pointer.
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/// This area can't be read using gamecardReadStorage().
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bool gamecardGetCardIdSet(FsGameCardIdSet *out);
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/// Fills the provided pointers with LAFW blob data from FS program memory.
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/// 'out_lafw_blob' or 'out_lafw_version' may be set to NULL, but at least one of them must be a valid pointer.
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bool gamecardGetLotusAsicFirmwareBlob(LotusAsicFirmwareBlob *out_lafw_blob, u64 *out_lafw_version);
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/// Used to read raw data from the inserted gamecard. Supports unaligned reads.
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/// All required handles, changes between normal <-> secure storage areas and proper offset calculations are managed internally.
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/// 'offset' + 'read_size' must not exceed the value returned by gamecardGetTotalSize().
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bool gamecardReadStorage(void *out, u64 read_size, u64 offset);
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/// Fills the provided GameCardHeader pointer.
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/// This area can also be read using gamecardReadStorage(), starting at offset 0.
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bool gamecardGetHeader(GameCardHeader *out);
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/// Fills the provided GameCardInfo pointer.
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bool gamecardGetPlaintextCardInfoArea(GameCardInfo *out);
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/// Fills the provided FsGameCardCertificate pointer.
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/// This area can also be read using gamecardReadStorage(), starting at GAMECARD_CERTIFICATE_OFFSET.
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bool gamecardGetCertificate(FsGameCardCertificate *out);
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/// Fills the provided u64 pointer with the total gamecard size, which is the size taken by both Normal and Secure storage areas.
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bool gamecardGetTotalSize(u64 *out);
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/// Fills the provided u64 pointer with the trimmed gamecard size, which is the same as the size returned by gamecardGetTotalSize() but using the trimmed Secure storage area size.
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bool gamecardGetTrimmedSize(u64 *out);
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/// Fills the provided u64 pointer with the gamecard ROM capacity, based on the GameCardRomSize value from the header. Not the same as gamecardGetTotalSize().
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bool gamecardGetRomCapacity(u64 *out);
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/// Fills the provided Version pointer with the bundled firmware update version in the inserted gamecard.
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bool gamecardGetBundledFirmwareUpdateVersion(Version *out);
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/// Fills the provided HashFileSystemContext pointer using information from the requested Hash FS partition.
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/// Hash FS functions can be used on the retrieved HashFileSystemContext. hfsFreeContext() must be used to free the underlying data from the filled context.
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bool gamecardGetHashFileSystemContext(u8 hfs_partition_type, HashFileSystemContext *out);
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/// One-shot function to retrieve meaningful information from a Hash FS entry by name without using gamecardGetHashFileSystemContext() + Hash FS functions.
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/// 'out_offset' or 'out_size' may be set to NULL, but at least one of them must be a valid pointer. The returned offset is always relative to the start of the gamecard image.
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/// If you need to get entry information by index, just retrieve the Hash FS context for the target partition and use Hash FS functions on it.
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bool gamecardGetHashFileSystemEntryInfoByName(u8 hfs_partition_type, const char *entry_name, u64 *out_offset, u64 *out_size);
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/// Takes a GameCardFwVersion value. Returns a pointer to a string that represents the minimum HOS version that matches the provided LAFW version.
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/// Returns NULL if the provided value is out of range.
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const char *gamecardGetRequiredHosVersionString(u64 fw_version);
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/// Takes a GameCardCompatibilityType value. Returns a pointer to a string that represents the provided compatibility type.
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/// Returns NULL if the provided value is out of range.
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const char *gamecardGetCompatibilityTypeString(u8 compatibility_type);
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/// Takes a LotusAsicFirmwareType value. Returns a pointer to a string that represents the provided LAFW type.
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/// Returns NULL if the provided value is invalid.
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const char *gamecardGetLafwTypeString(u32 fw_type);
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/// Takes a LotusAsicDeviceType value. Returns a pointer to a string that represents the provided LAFW device type.
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/// Returns NULL if the provided value is out of range.
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const char *gamecardGetLafwDeviceTypeString(u64 device_type);
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#ifdef __cplusplus
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}
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#endif
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#endif /* __GAMECARD_H__ */
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