/* $Id: segment.c,v 1.7 2000/08/26 02:38:03 anton Exp $ * segment.c: Prom routine to map segments in other contexts before * a standalone is completely mapped. This is for sun4 and * sun4c architectures only. * * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu) */ #include <linux/types.h> #include <linux/kernel.h> #include <linux/sched.h> #include <asm/openprom.h> #include <asm/oplib.h> extern void restore_current(void); /* Set physical segment 'segment' at virtual address 'vaddr' in * context 'ctx'. */ void prom_putsegment(int ctx, unsigned long vaddr, int segment) { unsigned long flags; spin_lock_irqsave(&prom_lock, flags); (*(romvec->pv_setctxt))(ctx, (char *) vaddr, segment); restore_current(); spin_unlock_irqrestore(&prom_lock, flags); return; }