diff options
author | Al Viro <viro@zeniv.linux.org.uk> | 2008-08-17 19:13:17 -0400 |
---|---|---|
committer | H. Peter Anvin <hpa@zytor.com> | 2008-10-23 01:55:19 -0400 |
commit | 8ede0bdb63305d3353efd97e9af6210afb05734e (patch) | |
tree | a9500a323d0a2dcadca43c23b5c20186f6d9b724 /include/asm-um/io.h | |
parent | 8569c9140bd41089f9b6be8837ca421102714a90 (diff) |
x86, um: initial part of asm-um move
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Diffstat (limited to 'include/asm-um/io.h')
-rw-r--r-- | include/asm-um/io.h | 57 |
1 files changed, 0 insertions, 57 deletions
diff --git a/include/asm-um/io.h b/include/asm-um/io.h deleted file mode 100644 index 44e8b8c772ae..000000000000 --- a/include/asm-um/io.h +++ /dev/null | |||
@@ -1,57 +0,0 @@ | |||
1 | #ifndef __UM_IO_H | ||
2 | #define __UM_IO_H | ||
3 | |||
4 | #include "asm/page.h" | ||
5 | |||
6 | #define IO_SPACE_LIMIT 0xdeadbeef /* Sure hope nothing uses this */ | ||
7 | |||
8 | static inline int inb(unsigned long i) { return(0); } | ||
9 | static inline void outb(char c, unsigned long i) { } | ||
10 | |||
11 | /* | ||
12 | * Change virtual addresses to physical addresses and vv. | ||
13 | * These are pretty trivial | ||
14 | */ | ||
15 | static inline unsigned long virt_to_phys(volatile void * address) | ||
16 | { | ||
17 | return __pa((void *) address); | ||
18 | } | ||
19 | |||
20 | static inline void * phys_to_virt(unsigned long address) | ||
21 | { | ||
22 | return __va(address); | ||
23 | } | ||
24 | |||
25 | /* | ||
26 | * Convert a physical pointer to a virtual kernel pointer for /dev/mem | ||
27 | * access | ||
28 | */ | ||
29 | #define xlate_dev_mem_ptr(p) __va(p) | ||
30 | |||
31 | /* | ||
32 | * Convert a virtual cached pointer to an uncached pointer | ||
33 | */ | ||
34 | #define xlate_dev_kmem_ptr(p) p | ||
35 | |||
36 | static inline void writeb(unsigned char b, volatile void __iomem *addr) | ||
37 | { | ||
38 | *(volatile unsigned char __force *) addr = b; | ||
39 | } | ||
40 | static inline void writew(unsigned short b, volatile void __iomem *addr) | ||
41 | { | ||
42 | *(volatile unsigned short __force *) addr = b; | ||
43 | } | ||
44 | static inline void writel(unsigned int b, volatile void __iomem *addr) | ||
45 | { | ||
46 | *(volatile unsigned int __force *) addr = b; | ||
47 | } | ||
48 | static inline void writeq(unsigned int b, volatile void __iomem *addr) | ||
49 | { | ||
50 | *(volatile unsigned long long __force *) addr = b; | ||
51 | } | ||
52 | #define __raw_writeb writeb | ||
53 | #define __raw_writew writew | ||
54 | #define __raw_writel writel | ||
55 | #define __raw_writeq writeq | ||
56 | |||
57 | #endif | ||