void
configure()
{
extern int boothowto;
if (config_rootfound("backplane", NULL) == NULL)
panic("backplane not configured");
#if GENERIC
if ((boothowto & RB_ASKNAME) == 0)
setroot();
setconf();
#else
setroot();
#endif
/*
* Configure swap area and related system
* parameter based on device(s) used.
*/
swapconf();
dumpconf();
cold = 0;
mtpr(GC_CCF, PR_TXDB); /* Clear cold start flag in cpu */
}
/*
* Determine i/o configuration for a machine.
*/
configure()
{
register int *ip;
extern caddr_t Sysbase;
vbafind(numvba, (caddr_t)vmem, VMEMmap);
numvba++;
/*
* Write protect the scb. It is strange
* that this code is here, but this is as soon
* as we are done mucking with it, and the
* write-enable was done in assembly language
* to which we will never return.
*/
ip = (int *)&Sysmap[2]; *ip &= ~PG_PROT; *ip |= PG_KR;
mtpr(TBIS, Sysbase+2*NBPG);
#if GENERIC
if ((boothowto & RB_ASKNAME) == 0)
setroot();
setconf();
#else
setroot();
#endif
/*
* Configure swap area and related system
* parameter based on device(s) used.
*/
swapconf();
cold = 0;
}
/*
* called at boot time, configure all devices on the system.
*/
void
cpu_configure()
{
if (config_rootfound("mainbus", "mainbus") == 0)
panic("no mainbus found");
/*
* Turn external interrupts on.
*
* XXX We have a race here. If we enable interrupts after setroot(),
* the kernel dies.
*/
enable_interrupt();
spl0();
setroot();
swapconf();
cold = 0;
}
