In memory of Ben “bushing” Byer, who passed away on Monday, February 8th, 2016.

IOS

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IOS is the operating system that runs on the Starlet coprocessor inside the Hollywood package. It provides the services that are used by Wii code to access most of the system devices.

IPC

Communication with IOS from PPC code is done using an IPC mechanism. There are 7 calls that can be made using this system:

  1. open
  2. close
  3. read
  4. write
  5. seek
  6. ioctl
  7. ioctlv

/dev tree