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path: root/sys/ia64/pci/pci_cfgreg.c
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* Disable interrupts when calling into SAL for PCI configurationmarcel2010-03-221-3/+8
| | | | | | | | cycles. This serves 2 purposes: 1. It prevents preemption and CPU migration while running SAL code. 2. It reduces the chance of stack overflows: we're supposed to enter SAL with at least 16KB of either memory- or register stack space, which we can't do without switching to a different stack.
* In pci_cfgregread() and pci_cfgregwrite(), validate the arguments and checkmarcel2010-01-281-14/+49
| | | | that the alignment matches the width of the read or write.
* The encoding for the bus being passed to SAL was completely wrong.dfr2001-10-031-3/+2
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* Start hooking up devices.dfr2001-09-291-0/+65
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