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open_firmware

Open Firmware

boot hd:11,\\:tbxi

yaboot?

…and on

introduction / reading /ref

usefull commands

  • dev /packages ls list available packages
  • “did u zap the p-ram”???
    • reset-nvram (hit enter)
    • set-defaults (hit enter)
    • reset-all (hit enter)
  • debugging using telnet
    • the following command will start a telnet server on the machine running openfirmware “ enet:telnet,10.0.0.1” io (note the space after the “)

device tree

  • with a linux kernel that has been configured to inlcude openfirmware info in the /proc directory, many useful things can be seen (Q: and/or set?) here /proc/device-tree/

macOS boot sequence

open_firmware.txt · Last modified: 2007/06/13 11:40 (external edit)