1 /* $Id: nosrmmu.c,v 1.5 1999/11/19 04:11:54 davem Exp $
2 * nosrmmu.c: This file is a bunch of dummies for sun4 compiles,
3 * so that it does not need srmmu 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/mbus.h>
12 #include <asm/sbus.h>
13
14 static char shouldnothappen[] __initdata = "SUN4 kernel can only run on SUN4\n";
15
16 enum mbus_module srmmu_modtype;
17 void *srmmu_nocache_pool;
18
19 int vac_cache_size = 0;
20
21 static void __init should_not_happen(void)
22 {
23 prom_printf(shouldnothappen);
24 prom_halt();
25 }
26
27 void __init srmmu_frob_mem_map(unsigned long start_mem)
28 {
29 should_not_happen();
30 }
31
32 unsigned long __init srmmu_paging_init(unsigned long start_mem, unsigned long end_mem)
33 {
34 should_not_happen();
35 return 0;
36 }
37
38 void __init ld_mmu_srmmu(void)
39 {
40 should_not_happen();
41 }
42
43 void srmmu_mapioaddr(unsigned long physaddr, unsigned long virt_addr, int bus_type, int rdonly)
44 {
45 }
46
47 void srmmu_unmapioaddr(unsigned long virt_addr)
48 {
49 }
50
51 __u32 iounit_map_dma_init(struct sbus_bus *sbus, int size)
52 {
53 return 0;
54 }
55
56 __u32 iounit_map_dma_page(__u32 vaddr, void *addr, struct sbus_bus *sbus)
57 {
58 return 0;
59 }
60
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