RTEMS in Pok analysis questions

[WL]

After doing initial research around how to design the layer a number
of questions appeared.

The bsp and device driver development guide describes a number of
services which may be implemented while creating a new BSP: the
console driver, clock, timer, RTC (as far as I know, libpok doesn't
provide an interface for calculating real time, just ticks) , non
volatile memory, shared memory and other peripheral drivers. The
console driver is required for the simplest test so that's minimal,
but which others should be considered for this project?

I don't know how to channel interrupts in Pok, especially on x86 since
it uses a programmable interrupt controller, the included ethernet
driver uses polling and the doumentation doesn't help that much.
Perhaps this is a question for the Pok mailing list though and
modifications are required.

I/O access is made through system calls to the Pok kernel, so there
shouldn't be problems here. Mapping the functions seems
straightforward.

Will error propagation from RTEMS down to Pok be required?