2 * segment.c: Prom routine to map segments in other contexts before
3 * a standalone is completely mapped. This is for sun4 and
4 * sun4c architectures only.
6 * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
9 #include <linux/types.h>
10 #include <linux/kernel.h>
11 #include <linux/sched.h>
12 #include <asm/openprom.h>
13 #include <asm/oplib.h>
15 extern void restore_current(void);
17 /* Set physical segment 'segment' at virtual address 'vaddr' in
21 prom_putsegment(int ctx, unsigned long vaddr, int segment)
24 spin_lock_irqsave(&prom_lock, flags);
25 (*(romvec->pv_setctxt))(ctx, (char *) vaddr, segment);
27 spin_unlock_irqrestore(&prom_lock, flags);