WSL2-Linux-Kernel/arch/sparc/mm/nosrmmu.c

60 строки
1.2 KiB
C

/* $Id: nosrmmu.c,v 1.5 1999/11/19 04:11:54 davem Exp $
* nosrmmu.c: This file is a bunch of dummies for sun4 compiles,
* so that it does not need srmmu 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/mbus.h>
#include <asm/sbus.h>
static char shouldnothappen[] __initdata = "SUN4 kernel can only run on SUN4\n";
enum mbus_module srmmu_modtype;
void *srmmu_nocache_pool;
int vac_cache_size = 0;
static void __init should_not_happen(void)
{
prom_printf(shouldnothappen);
prom_halt();
}
void __init srmmu_frob_mem_map(unsigned long start_mem)
{
should_not_happen();
}
unsigned long __init srmmu_paging_init(unsigned long start_mem, unsigned long end_mem)
{
should_not_happen();
return 0;
}
void __init ld_mmu_srmmu(void)
{
should_not_happen();
}
void srmmu_mapioaddr(unsigned long physaddr, unsigned long virt_addr, int bus_type, int rdonly)
{
}
void srmmu_unmapioaddr(unsigned long virt_addr)
{
}
__u32 iounit_map_dma_init(struct sbus_bus *sbus, int size)
{
return 0;
}
__u32 iounit_map_dma_page(__u32 vaddr, void *addr, struct sbus_bus *sbus)
{
return 0;
}