tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1/*
2 * linux/arch/h8300/mm/kmap.c
3 *
4 * Based on
5 * linux/arch/m68knommu/mm/kmap.c
6 *
7 * Copyright (C) 2000 Lineo, <davidm@snapgear.com>
8 * Copyright (C) 2000-2002 David McCullough <davidm@snapgear.com>
9 */
10
11#include <linux/mm.h>
12#include <linux/kernel.h>
13#include <linux/string.h>
14#include <linux/types.h>
15#include <linux/vmalloc.h>
16
17#include <asm/setup.h>
18#include <asm/segment.h>
19#include <asm/page.h>
20#include <asm/pgalloc.h>
21#include <asm/io.h>
22
23#undef DEBUG
24
25#define VIRT_OFFSET (0x01000000)
26
27/*
28 * Map some physical address range into the kernel address space.
29 */
30void *__ioremap(unsigned long physaddr, unsigned long size, int cacheflag)
31{
32 return (void *)(physaddr + VIRT_OFFSET);
33}
34
35/*
36 * Unmap a ioremap()ed region again.
37 */
38void iounmap(void *addr)
39{
40}
41
42/*
43 * __iounmap unmaps nearly everything, so be careful
44 * it doesn't free currently pointer/page tables anymore but it
45 * wans't used anyway and might be added later.
46 */
47void __iounmap(void *addr, unsigned long size)
48{
49}
50
51/*
52 * Set new cache mode for some kernel address space.
53 * The caller must push data for that range itself, if such data may already
54 * be in the cache.
55 */
56void kernel_set_cachemode(void *addr, unsigned long size, int cmode)
57{
58}