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