blob: 4e62c27147c491843bf3747307cc3bc39e196d79 [file] [log] [blame]
Adrian Bunk88278ca2008-05-19 16:53:02 -07001/*
Linus Torvalds1da177e2005-04-16 15:20:36 -07002 * nosun4c.c: This file is a bunch of dummies for SMP compiles,
3 * so that it does not need sun4c and avoid ifdefs.
4 *
5 * Copyright (C) 1998 Jakub Jelinek (jj@sunsite.mff.cuni.cz)
6 */
7
8#include <linux/kernel.h>
9#include <linux/mm.h>
10#include <linux/init.h>
11#include <asm/pgtable.h>
12
13static char shouldnothappen[] __initdata = "32bit SMP kernel only supports sun4m and sun4d\n";
14
15/* Dummies */
16struct sun4c_mmu_ring {
17 unsigned long xxx1[3];
18 unsigned char xxx2[2];
19 int xxx3;
20};
21struct sun4c_mmu_ring sun4c_kernel_ring;
22struct sun4c_mmu_ring sun4c_kfree_ring;
23unsigned long sun4c_kernel_faults;
24unsigned long *sun4c_memerr_reg;
25
26static void __init should_not_happen(void)
27{
28 prom_printf(shouldnothappen);
29 prom_halt();
30}
31
32unsigned long __init sun4c_paging_init(unsigned long start_mem, unsigned long end_mem)
33{
34 should_not_happen();
35 return 0;
36}
37
38void __init ld_mmu_sun4c(void)
39{
40 should_not_happen();
41}
42
43void sun4c_mapioaddr(unsigned long physaddr, unsigned long virt_addr, int bus_type, int rdonly)
44{
45}
46
47void sun4c_unmapioaddr(unsigned long virt_addr)
48{
49}
50
51void sun4c_complete_all_stores(void)
52{
53}
54
55pte_t *sun4c_pte_offset(pmd_t * dir, unsigned long address)
56{
57 return NULL;
58}
59
60pte_t *sun4c_pte_offset_kernel(pmd_t *dir, unsigned long address)
61{
62 return NULL;
63}
64
Russell King4b3073e2009-12-18 16:40:18 +000065void sun4c_update_mmu_cache(struct vm_area_struct *vma, unsigned long address, pte_t *ptep)
Linus Torvalds1da177e2005-04-16 15:20:36 -070066{
67}
68
69void __init sun4c_probe_vac(void)
70{
71 should_not_happen();
72}
73
74void __init sun4c_probe_memerr_reg(void)
75{
76 should_not_happen();
77}