blob: 86a663f1d3c5089defc8d1acf9af302410887f79 [file] [log] [blame]
* 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 (
#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'.
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);
spin_unlock_irqrestore(&prom_lock, flags);