arch/sparc/mm/nosun4c.c


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54

/*
 * nosun4c.c: This file is a bunch of dummies for SMP compiles, 
 *         so that it does not need sun4c and avoid ifdefs.
 *
 * Copyright (C) 1998 Jakub Jelinek (jj@sunsite.mff.cuni.cz)
 */

#include <linux/kernel.h>
#include <linux/mm.h>
#include <linux/init.h>
#include <asm/pgtable.h>

static char shouldnothappen[] __initdata = "32bit SMP kernel only supports sun4m and sun4d\n";

/* Dummies */
struct sun4c_mmu_ring {
	unsigned long xxx1[3];
	unsigned char xxx2[2];
	int xxx3;
};
struct sun4c_mmu_ring sun4c_kernel_ring;
struct sun4c_mmu_ring sun4c_kfree_ring;
unsigned long sun4c_kernel_faults;
unsigned long *sun4c_memerr_reg;

static void __init should_not_happen(void)
{
	prom_printf(shouldnothappen);
	prom_halt();
}

pte_t *sun4c_pte_offset(pmd_t * dir, unsigned long address)
{
	return NULL;
}

pte_t *sun4c_pte_offset_kernel(pmd_t *dir, unsigned long address)
{
	return NULL;
}

void sun4c_update_mmu_cache(struct vm_area_struct *vma, unsigned long address, pte_t *ptep)
{
}

void __init sun4c_probe_vac(void)
{
	should_not_happen();
}

void __init sun4c_probe_memerr_reg(void)
{
	should_not_happen();
}