8b8ee0c1f1
They happen when writing to ioapic pins Xen already disabled. This makes netbsd dom0 booting.
39 lines
890 B
C
39 lines
890 B
C
/* $NetBSD: i82093var.h,v 1.4 2010/03/22 16:43:08 cegger Exp $ */
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#include "opt_xen.h"
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#define _IOAPIC_CUSTOM_RW
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#include <x86/i82093var.h>
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#include <hypervisor.h>
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static inline uint32_t
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ioapic_read_ul(struct ioapic_softc *sc, int regid)
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{
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physdev_op_t op;
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int ret;
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op.cmd = PHYSDEVOP_APIC_READ;
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op.u.apic_op.apic_physbase = sc->sc_pa;
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op.u.apic_op.reg = regid;
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ret = HYPERVISOR_physdev_op(&op);
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if (ret) {
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printf("PHYSDEVOP_APIC_READ ret %d\n", ret);
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panic("PHYSDEVOP_APIC_READ");
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}
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return op.u.apic_op.value;
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}
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static inline void
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ioapic_write_ul(struct ioapic_softc *sc, int regid, uint32_t val)
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{
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physdev_op_t op;
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int ret;
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op.cmd = PHYSDEVOP_APIC_WRITE;
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op.u.apic_op.apic_physbase = sc->sc_pa;
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op.u.apic_op.reg = regid;
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op.u.apic_op.value = val;
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ret = HYPERVISOR_physdev_op(&op);
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if (ret)
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printf("PHYSDEVOP_APIC_WRITE ret %d\n", ret);
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}
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