mirror of https://gitee.com/openkylin/linux.git
59 lines
1.2 KiB
C
59 lines
1.2 KiB
C
/*
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* linux/arch/h8300/mm/kmap.c
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*
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* Based on
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* linux/arch/m68knommu/mm/kmap.c
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*
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* Copyright (C) 2000 Lineo, <davidm@snapgear.com>
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* Copyright (C) 2000-2002 David McCullough <davidm@snapgear.com>
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*/
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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/vmalloc.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/pgalloc.h>
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#include <asm/io.h>
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#undef DEBUG
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#define VIRT_OFFSET (0x01000000)
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/*
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* Map some physical address range into the kernel address space.
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*/
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void *__ioremap(unsigned long physaddr, unsigned long size, int cacheflag)
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{
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return (void *)(physaddr + VIRT_OFFSET);
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}
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/*
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* Unmap a ioremap()ed region again.
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*/
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void iounmap(void *addr)
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{
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}
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/*
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* __iounmap unmaps nearly everything, so be careful
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* it doesn't free currently pointer/page tables anymore but it
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* wans't used anyway and might be added later.
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*/
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void __iounmap(void *addr, unsigned long size)
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{
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}
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/*
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* Set new cache mode for some kernel address space.
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* The caller must push data for that range itself, if such data may already
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* be in the cache.
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*/
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void kernel_set_cachemode(void *addr, unsigned long size, int cmode)
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{
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}
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