mirror of
https://github.com/modmii/YAWM-ModMii-Edition.git
synced 2024-11-22 08:09:18 +01:00
60 lines
1.6 KiB
C
60 lines
1.6 KiB
C
|
/*
|
||
|
|
mini - a Free Software replacement for the Nintendo/BroadOn IOS.
|
||
|
|
SEEPROM support
|
||
|
|
|
||
|
|
Copyright (C) 2008, 2009 Sven Peter <svenpeter@gmail.com>
|
||
|
|
|
||
|
|
# This code is licensed to you under the terms of the GNU GPL, version 2;
|
||
|
|
# see http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef __MINI_SEEPROM_H__
|
||
|
|
#define __MINI_SEEPROM_H__
|
||
|
|
|
||
|
|
#define SEEPROM_SIZE 0x100
|
||
|
|
|
||
|
|
typedef struct
|
||
|
|
{
|
||
|
|
union {
|
||
|
|
struct {
|
||
|
|
u8 boot2version;
|
||
|
|
u8 unknown1;
|
||
|
|
u8 unknown2;
|
||
|
|
u8 pad;
|
||
|
|
u32 update_tag;
|
||
|
|
};
|
||
|
|
u8 data[8];
|
||
|
|
};
|
||
|
|
u16 checksum; // sum of data[] elements?
|
||
|
|
} __attribute__((packed)) eep_boot2_ctr_t;
|
||
|
|
|
||
|
|
typedef struct
|
||
|
|
{
|
||
|
|
union {
|
||
|
|
u32 nand_gen; // matches offset 0x8 in nand SFFS blocks
|
||
|
|
u8 data[4];
|
||
|
|
};
|
||
|
|
u16 checksum; // sum of data[] elements?
|
||
|
|
} __attribute__((packed)) eep_nand_ctr_t;
|
||
|
|
|
||
|
|
struct SEEPROM
|
||
|
|
{
|
||
|
|
u32 ms_id; // 0x00000002
|
||
|
|
u32 ca_id; // 0x00000001
|
||
|
|
u32 ng_key_id;
|
||
|
|
u8 ng_sig[60];
|
||
|
|
eep_boot2_ctr_t boot2_counters[2];
|
||
|
|
eep_nand_ctr_t nand_counters[3]; // current slot rotates on each write
|
||
|
|
u8 pad0[6];
|
||
|
|
u8 korean_key[16];
|
||
|
|
u8 pad1[116];
|
||
|
|
u16 prng_seed[2]; // u32 with lo word stored first, incremented every time IOS starts. Used with the PRNG key to setup IOS's PRNG (syscalls 73/74 etc.)
|
||
|
|
u8 pad2[4];
|
||
|
|
};
|
||
|
|
_Static_assert(sizeof(struct SEEPROM) == SEEPROM_SIZE, "SEEPROM struct size incorrect!");
|
||
|
|
|
||
|
|
u16 seeprom_read(void *dst, u16 offset, u16 size);
|
||
|
|
// u16 seeprom_write(const void *src, u16 offset, u16 size);
|
||
|
|
|
||
|
|
#endif /* __MINI_SEEPROM_H__ */
|