2db316d75f
more naturally in terms of way the OSF/1 PALcode delivers traps and interrupts. Clean up fault/exception handling code and system entry points. Seperate ASTs into a seperate C function. (2) Clean up interrupt handling slightly. (3) Add machinery to make [fs]uswintr be a bit more careful when determining if a fault was actually their fault. (Unfortunately, they're not actually implemented now, anyway.) (4) Minor cleanup.