/* $NetBSD: autoconf.c,v 1.83.2.1 2006/06/26 12:44:39 yamt Exp $ */
/*-
* Copyright (c) 1990 The Regents of the University of California.
* All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* William Jolitz.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)autoconf.c 7.1 (Berkeley) 5/9/91
*/
/*
* Setup the system to run on the current machine.
*
* Configure() is called at boot time and initializes the vba
* device tables and the memory controller monitoring. Available
* devices are determined (from possibilities mentioned in ioconf.c),
* and the drivers are initialized.
*
* Lots of this is now in x86/x86/x86_autoconf.c
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: autoconf.c,v 1.83.2.1 2006/06/26 12:44:39 yamt Exp $");
#include "opt_compat_oldboot.h"
#include "opt_multiprocessor.h"
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/buf.h>
#include <sys/proc.h>
#include <sys/user.h>
#include <machine/pte.h>
#include <machine/cpu.h>
#include <machine/gdt.h>
#include <machine/pcb.h>
#include <x86/x86/tsc.h>
#include "ioapic.h"
#include "lapic.h"
#if NIOAPIC > 0
#include <machine/i82093var.h>
#endif
#if NLAPIC > 0
#include <machine/i82489var.h>
#endif
#include "bios32.h"
#if NBIOS32 > 0
#include <machine/bios32.h>
#endif
#include "opt_pcibios.h"
#ifdef PCIBIOS
#include <dev/pci/pcireg.h>
#include <dev/pci/pcivar.h>
#include <i386/pci/pcibios.h>
#endif
#include "opt_kvm86.h"
#ifdef KVM86
#include <machine/kvm86.h>
#endif
/*
* Determine i/o configuration for a machine.
*/
void
cpu_configure(void)
{
startrtclock();
#if NBIOS32 > 0
bios32_init();
#endif
#ifdef PCIBIOS
pcibios_init();
#endif
/* kvm86 needs a TSS */
i386_proc0_tss_ldt_init();
#ifdef KVM86
kvm86_init();
#endif
if (config_rootfound("mainbus", NULL) == NULL)
panic("configure: mainbus not configured");
#ifdef INTRDEBUG
intr_printconfig();
#endif
#if NIOAPIC > 0
lapic_set_lvt();
ioapic_enable();
#endif
/* resync cr0 after FPU configuration */
lwp0.l_addr->u_pcb.pcb_cr0 = rcr0();
#ifdef MULTIPROCESSOR
/* propagate this to the idle pcb's. */
cpu_init_idle_pcbs();
#endif
#if defined(I586_CPU) || defined(I686_CPU)
init_TSC_tc();
#endif
spl0();
#if NLAPIC > 0
lapic_tpr = 0;
#endif
}