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292ead1 pcr: libreboot-utils: Add ifdtool

Authored and Committed by Denis 'GNUtoo' Carikli 2 years ago
    pcr: libreboot-utils: Add ifdtool
    
    Recent (post 2006) Intel computers typically have a flash chip that
    contains several partitions:
    - An "Intel flash descriptor" partition that contains a partition
      table, permission settings for read/write access to these
      partitions. various configuration settings like the flash chip
      speed, and so on.
    
    - A partition for the BIOS that contains the BIOS, Coreboot, EFI,
      Libreboot, UEFI, etc.
    
    - A partition for the Management Engine firmware.
    
    - A partition for some Gigabit Ethernet settings (the MAC address,
      LEDs settings, etc).
    
    - A partition named "Platform data" that probably contains some serial
      numbers or other data on some computers.
    
    The ifdtool utility can display these partitions, various settings
    present in Intel flash descriptor, extract or replace these partitions
    content, etc.
    
    Signed-off-by: Denis 'GNUtoo' Carikli <GNUtoo@cyberdimension.org>
    
        
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