improved MPS Default Configuration patch

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02-18-2008, 07:07 AM

Gerard gerritsen

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improved MPS Default Configuration patch

Hello,

A new version of my Default Configuration patch and a new
generic.mp kernel are now available at http://sigcafe.net/openbsd

This time the patch gets the irq mappings (almost) right, pci cards
that share the same interrupt as an isa card causes panics

My test system is currently smoking perl 5.9.2 and no problems
have appeared (yet).

Changes

1. Used wrong string for MCA oops
2. Do not setup the APIC's it is already done
3. use constants for the default_io_apic structure
4. change apic id to match 1:1 with the cpu id
5. use the ELCR register on PCI systems to setup
the interrupt types ( level/edge )
6. first stab at knf ( I know it is not good yet )

Problems left
1. cpuid detection is still broken, detects 386sx...
2. pci/isa interrupt sharing,

panic: apic_intr_establish: intr 10 can't share level-triggered
with edge-triggered

It looks like pnp isa cards somehow mess things up, needs to be checked

Have the appropriate amount of fun testing this patch

« Re: Snapshot 6/25/2004 Failure: GENERIC.MP & Success GENERIC on S unFi reV20z dual proc AMD64 | pfctl ruleset optimizer. testers needed »

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improved MPS Default Configuration patch