EMILE works and load correctly on machine without FPU.
But kernel is not able to start correctly, it hangs on
first screen after "K".
Seen on LCIII.
Logged In: YES
The problem is in fact in the IRQ initialisation.
Problem: in start_kernel(), kernel hangs on the sti().
Analyse: We can suppose there are pending IRQs when we
unmask them, and unfortunately handlers are not already
Penguin booter doesn't meet the issue because it makes a
shutdown under MacOS that should clear IRQs.
Solution: To avoid this case, we must avoid pending IRQs by
disabling/clearing IRQs when we clear handlers (in
Tested on the machine where the problem appears, a Performa
450/LCIII, the patch corrects the problem.
Tested on a machine where the problem doesn't appear, a
IIci, kernel continues to work correctly :-P
linux 2.2 clean IRQs