mirror of https://gitee.com/openkylin/linux.git
71 lines
1.3 KiB
C
71 lines
1.3 KiB
C
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/*
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* linux/arch/h8300/mm/memory.c
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*
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* Copyright (C) 2002 Yoshinori Sato <ysato@users.sourceforge.jp>,
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*
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* Based on:
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*
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* linux/arch/m68knommu/mm/memory.c
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*
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* Copyright (C) 1998 Kenneth Albanowski <kjahds@kjahds.com>,
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* Copyright (C) 1999-2002, Greg Ungerer (gerg@snapgear.com)
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*
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* Based on:
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*
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* linux/arch/m68k/mm/memory.c
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*
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* Copyright (C) 1995 Hamish Macdonald
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*/
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#include <linux/config.h>
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#include <linux/mm.h>
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#include <linux/kernel.h>
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#include <linux/string.h>
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#include <linux/types.h>
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#include <linux/slab.h>
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#include <asm/setup.h>
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#include <asm/segment.h>
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#include <asm/page.h>
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#include <asm/pgtable.h>
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#include <asm/system.h>
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#include <asm/traps.h>
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#include <asm/io.h>
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void cache_clear (unsigned long paddr, int len)
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{
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}
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void cache_push (unsigned long paddr, int len)
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{
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}
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void cache_push_v (unsigned long vaddr, int len)
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{
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}
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/* Map some physical address range into the kernel address space. The
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* code is copied and adapted from map_chunk().
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*/
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unsigned long kernel_map(unsigned long paddr, unsigned long size,
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int nocacheflag, unsigned long *memavailp )
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{
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return paddr;
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}
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#ifdef MAGIC_ROM_PTR
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int is_in_rom(unsigned long addr)
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{
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/* Anything not in operational RAM is returned as in rom! */
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if (addr < _ramstart || addr >= _ramend)
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return 1;
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else
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return 0;
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}
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#endif
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