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rpi 1.6 KB
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  1. 

  2. #------------------------------------------------------------------------------
    3. 

  3. # $File: rpi,v 1.3 2022/04/02 14:39:34 christos Exp $
    4. 

  4. # rpi:  file(1) magic for Raspberry Pi images
    5. 

  5. -44		lelong	0
    6. 

  6. >4		lelong	0
    7. 

  7. >>8		lelong	1
    8. 

  8. >>12		lelong	4
    9. 

  9. >>>16		string	283x
    10. 

  10. >>>>20		lelong	1
    11. 

  11. >>>>>24		lelong	4
    12. 

  12. >>>>>>28	string	DTOK
    13. 

  13. >>>>>>>32	lelong	44
    14. 

  14. >>>>>>>>36	lelong	4
    15. 

  15. >>>>>>>>>40	string	RPTL		Raspberry PI kernel image
    16. 

  16. 

  17. -56		lelong	0
    18. 

  18. >4		lelong	0
    19. 

  19. >>8		lelong	1
    20. 

  20. >>12		lelong	4
    21. 

  21. >>>16		string	283x
    22. 

  22. >>>>20		lelong	1
    23. 

  23. >>>>>24		lelong	4
    24. 

  24. >>>>>>28	string	DTOK
    25. 

  25. >>>>>>>32	lelong	1
    26. 

  26. >>>>>>>>36	lelong	4
    27. 

  27. >>>>>>>>>40	string	DDTK8
    28. 

  28. >>>>>>>>>>48	lelong	4
    29. 

  29. >>>>>>>>>>>52	string	RPTL		Raspberry PI kernel image
    30. 

  30. 

  31. # From: 	Joerg Jenderek
    32. 

  32. # URL:		https://www.raspberrypi.com/documentation/computers/raspberry-pi.html
    33. 

  33. #		#raspberry-pi-4-boot-eeprom
    34. 

  34. # Reference:	https://github.com/raspberrypi/rpi-eeprom/blob/master/rpi-eeprom-config
    35. 

  35. # Note:		start with same magic as for BIOS (ia32) ROM Extension handled by ./intel
    36. 

  36. # masked with MAGIC_MASK and then compared with MAGIC
    37. 

  37. 0	belong&0xFFffF00F	0x55aaF00F	Raspberry PI EEPROM
    38. 

  38. #!:mime	application/octet-stream
    39. 

  39. !:mime	application/x-raspberry-eeprom
    40. 

  40. # like: pieeprom-2020-09-03.bin
    41. 

  41. !:ext	bin
    42. 

  42. # a 32 bit offset to the next section like: 000184d4 000184c8 00018534 ... 0000bb84 0000bbd4 0000bbd4
    43. 

  43. >4	ubelong			x		\b, offset %8.8x
    44. 

  44. #>(4.L)	ubelong			x		NEXT=%8.8x
    45. 

  45. # self.length
    46. 

  46. >8	ubelong			!0		\b, length %x
    47. 

  47. # self.filename
    48. 

  48. >12	string			>0		\b, "%s"
    49. 

  49. # length is zero
    50. 

  50. >8	ubelong			=0
    51. 

  51. # if length is zero then 2nd section magic here can be zero; this means sections parsing done
    52. 

  52. >>8	ubelong			!0		\b, 2nd MAGIC=%8.8x
    53.