mirror of https://gitee.com/openkylin/linux.git
60 lines
1.2 KiB
C
60 lines
1.2 KiB
C
/* $Id: nosrmmu.c,v 1.5 1999/11/19 04:11:54 davem Exp $
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* nosrmmu.c: This file is a bunch of dummies for sun4 compiles,
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* so that it does not need srmmu and avoid ifdefs.
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*
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* Copyright (C) 1998 Jakub Jelinek (jj@sunsite.mff.cuni.cz)
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*/
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#include <linux/kernel.h>
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#include <linux/mm.h>
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#include <linux/init.h>
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#include <asm/mbus.h>
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#include <asm/sbus.h>
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static char shouldnothappen[] __initdata = "SUN4 kernel can only run on SUN4\n";
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enum mbus_module srmmu_modtype;
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void *srmmu_nocache_pool;
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int vac_cache_size = 0;
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static void __init should_not_happen(void)
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{
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prom_printf(shouldnothappen);
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prom_halt();
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}
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void __init srmmu_frob_mem_map(unsigned long start_mem)
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{
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should_not_happen();
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}
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unsigned long __init srmmu_paging_init(unsigned long start_mem, unsigned long end_mem)
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{
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should_not_happen();
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return 0;
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}
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void __init ld_mmu_srmmu(void)
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{
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should_not_happen();
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}
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void srmmu_mapioaddr(unsigned long physaddr, unsigned long virt_addr, int bus_type, int rdonly)
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{
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}
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void srmmu_unmapioaddr(unsigned long virt_addr)
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{
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}
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__u32 iounit_map_dma_init(struct sbus_bus *sbus, int size)
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{
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return 0;
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}
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__u32 iounit_map_dma_page(__u32 vaddr, void *addr, struct sbus_bus *sbus)
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{
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return 0;
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}
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