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