78 строки
1.5 KiB
C
78 строки
1.5 KiB
C
/*
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* nosun4c.c: This file is a bunch of dummies for SMP compiles,
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* so that it does not need sun4c 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/pgtable.h>
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static char shouldnothappen[] __initdata = "32bit SMP kernel only supports sun4m and sun4d\n";
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/* Dummies */
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struct sun4c_mmu_ring {
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unsigned long xxx1[3];
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unsigned char xxx2[2];
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int xxx3;
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};
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struct sun4c_mmu_ring sun4c_kernel_ring;
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struct sun4c_mmu_ring sun4c_kfree_ring;
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unsigned long sun4c_kernel_faults;
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unsigned long *sun4c_memerr_reg;
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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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unsigned long __init sun4c_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_sun4c(void)
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{
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should_not_happen();
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}
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void sun4c_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 sun4c_unmapioaddr(unsigned long virt_addr)
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{
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}
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void sun4c_complete_all_stores(void)
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{
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}
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pte_t *sun4c_pte_offset(pmd_t * dir, unsigned long address)
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{
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return NULL;
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}
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pte_t *sun4c_pte_offset_kernel(pmd_t *dir, unsigned long address)
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{
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return NULL;
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}
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void sun4c_update_mmu_cache(struct vm_area_struct *vma, unsigned long address, pte_t *ptep)
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{
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}
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void __init sun4c_probe_vac(void)
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{
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should_not_happen();
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}
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void __init sun4c_probe_memerr_reg(void)
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{
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should_not_happen();
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}
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