/
githubmirror
/
file
Обзор
Документация
Войти
/
githubmirror
/
file
Код
Запросы
0
Пакеты
0
Релизы
0
Аналитика
Безопасность
master
magic/Magdir/rpi
51 строка
2 KB
Christos Zoulas
Recognize raspberry pi eeprom files (Joerg Jenderek)
02 апр 2022, 17:39
02 апр 2022, 17:39
11ef4a1
Код
Авторство
О чём код?
#------------------------------------------------------------------------------ # $File: rpi,v 1.3 2022/04/02 14:39:34 christos Exp $ # rpi: file(1) magic for Raspberry Pi images -44 lelong 0 >4 lelong 0 >>8 lelong 1 >>12 lelong 4 >>>16 string 283x >>>>20 lelong 1 >>>>>24 lelong 4 >>>>>>28 string DTOK >>>>>>>32 lelong 44 >>>>>>>>36 lelong 4 >>>>>>>>>40 string RPTL Raspberry PI kernel image -56 lelong 0 >4 lelong 0 >>8 lelong 1 >>12 lelong 4 >>>16 string 283x >>>>20 lelong 1 >>>>>24 lelong 4 >>>>>>28 string DTOK >>>>>>>32 lelong 1 >>>>>>>>36 lelong 4 >>>>>>>>>40 string DDTK8 >>>>>>>>>>48 lelong 4 >>>>>>>>>>>52 string RPTL Raspberry PI kernel image # From: Joerg Jenderek # URL: https://www.raspberrypi.com/documentation/computers/raspberry-pi.html # #raspberry-pi-4-boot-eeprom # Reference: https://github.com/raspberrypi/rpi-eeprom/blob/master/rpi-eeprom-config # Note: start with same magic as for BIOS (ia32) ROM Extension handled by ./intel # masked with MAGIC_MASK and then compared with MAGIC 0 belong&0xFFffF00F 0x55aaF00F Raspberry PI EEPROM #!:mime application/octet-stream !:mime application/x-raspberry-eeprom # like: pieeprom-2020-09-03.bin !:ext bin # a 32 bit offset to the next section like: 000184d4 000184c8 00018534 ... 0000bb84 0000bbd4 0000bbd4 >4 ubelong x \b, offset %8.8x #>(4.L) ubelong x NEXT=%8.8x # self.length >8 ubelong !0 \b, length %x # self.filename >12 string >0 \b, "%s" # length is zero >8 ubelong =0 # if length is zero then 2nd section magic here can be zero; this means sections parsing done >>8 ubelong !0 \b, 2nd MAGIC=%8.8x