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61 lines
1.6 KiB
C
61 lines
1.6 KiB
C
#pragma once
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#include "common.h"
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#define BUFFER_ADDRESS ((u8*) 0x21000000) // buffer must not be used for anything else!
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#define BUFFER_MAX_SIZE (1 * 1024 * 1024) // must be a multiple of 0x40 (64)
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#define NAND_SECTOR_SIZE 0x200
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#define SECTORS_PER_READ (BUFFER_MAX_SIZE / NAND_SECTOR_SIZE)
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#define P_TWLN (1<<0)
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#define P_TWLP (1<<1)
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#define P_AGBSAVE (1<<2)
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#define P_FIRM0 (1<<3)
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#define P_FIRM1 (1<<4)
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#define P_CTRNAND (1<<5)
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// return values for the CheckEmuNAND() function
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#define EMUNAND_NOT_READY 0 // must be zero
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#define EMUNAND_READY 1
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#define EMUNAND_GATEWAY 2
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#define EMUNAND_REDNAND 3
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// these offsets are used by Multi EmuNAND Creator
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#define EMUNAND_MULTI_OFFSET_O3DS 0x00200000
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#define EMUNAND_MULTI_OFFSET_N3DS 0x00400000
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typedef struct {
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u32 keyslot;
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u32 setKeyY;
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u8 ctr[16];
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u8 keyY[16];
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u32 size;
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u32 mode;
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u8* buffer;
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} __attribute__((packed)) CryptBufferInfo;
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typedef struct {
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char name[16];
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u8 magic[8];
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u32 offset;
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u32 size;
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u32 keyslot;
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u32 mode;
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} __attribute__((packed)) PartitionInfo;
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PartitionInfo* GetPartitionInfo(u32 partition_id);
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u32 CheckEmuNand(void);
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void SetNand(bool set_emunand, u32 base_sector);
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u32 GetNandCtr(u8* ctr, u32 offset);
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u32 CryptBuffer(CryptBufferInfo *info);
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int ReadNandSectors(u32 sector_no, u32 numsectors, u8 *out);
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int WriteNandSectors(u32 sector_no, u32 numsectors, u8 *in);
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u32 GetNandSize(void);
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u32 DecryptNandToMem(u8* buffer, u32 offset, u32 size, PartitionInfo* partition);
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u32 EncryptMemToNand(u8* buffer, u32 offset, u32 size, PartitionInfo* partition);
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