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62 lines
1.9 KiB
C
62 lines
1.9 KiB
C
#pragma once
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#include "common.h"
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#include "exefs.h"
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#define ESSENTIAL_NAME "essential.exefs"
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// magic number for essential backup
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#define ESSENTIAL_MAGIC 'n', 'a', 'n', 'd', '_', 'h', 'd', 'r', 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00
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// size of /ro/sys/HWCAL0.dat and /ro/sys/HWCAL1.dat
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#define SIZE_HWCAL 0x9D0
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// /rw/sys/LocalFriendCodeSeed_B (/_A) file
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// see: http://3dbrew.org/wiki/Nandrw/sys/LocalFriendCodeSeed_B
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typedef struct {
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u8 signature[0x100];
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u8 unknown[0x8]; // normally zero
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u8 codeseed[0x8]; // the actual data
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} __attribute__((packed)) LocalFriendCodeSeed;
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// /private/movable.sed file
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// see: http://3dbrew.org/wiki/Nand/private/movable.sed
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typedef struct {
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u8 magic[0x4]; // "SEED"
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u8 indicator[0x4]; // uninitialized all zero, otherwise u8[1] nonzero
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LocalFriendCodeSeed codeseed_data;
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u8 keyy_high[8];
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u8 unknown[0x10];
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u8 cmac[0x10];
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} __attribute__((packed)) MovableSed;
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// /rw/sys/SecureInfo_A (/_B) file
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// see: http://3dbrew.org/wiki/Nandrw/sys/SecureInfo_A
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typedef struct {
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u8 signature[0x100];
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u8 region;
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u8 unknown;
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char serial[0xF];
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} __attribute__((packed)) SecureInfo;
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// includes all essential system files
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// (this is of our own making)
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typedef struct {
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ExeFsHeader header;
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u8 nand_hdr[0x200];
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SecureInfo secinfo;
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u8 padding_secinfo[0x200 - (sizeof(SecureInfo)%0x200)];
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MovableSed movable;
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u8 padding_movable[0x200 - (sizeof(MovableSed)%0x200)];
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LocalFriendCodeSeed frndseed;
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u8 padding_frndseed[0x200 - (sizeof(LocalFriendCodeSeed)%0x200)];
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u8 nand_cid[0x10];
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u8 padding_nand_cid[0x200 - 0x10];
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u8 otp[0x100];
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u8 padding_otp[0x200 - 0x100];
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u8 hwcal0[SIZE_HWCAL];
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u8 padding_hwcal0[0x200 - (SIZE_HWCAL%0x200)];
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u8 hwcal1[SIZE_HWCAL];
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u8 padding_hwcal1[0x200 - (SIZE_HWCAL%0x200)];
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} __attribute__((packed)) EssentialBackup;
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