]> bbs.cooldavid.org Git - net-next-2.6.git/blame - arch/x86/lib/io_64.c
x86-64: Use BUILDIO in io_64.h
[net-next-2.6.git] / arch / x86 / lib / io_64.c
CommitLineData
1da177e4 1#include <linux/string.h>
1da177e4 2#include <linux/module.h>
4b44f810 3#include <asm/io.h>
1da177e4 4
4b44f810 5void __memcpy_toio(unsigned long dst, const void *src, unsigned len)
1da177e4 6{
4b44f810 7 __inline_memcpy((void *)dst, src, len);
1da177e4
LT
8}
9EXPORT_SYMBOL(__memcpy_toio);
10
4b44f810 11void __memcpy_fromio(void *dst, unsigned long src, unsigned len)
1da177e4 12{
4b44f810 13 __inline_memcpy(dst, (const void *)src, len);
1da177e4
LT
14}
15EXPORT_SYMBOL(__memcpy_fromio);
16
17void memset_io(volatile void __iomem *a, int b, size_t c)
18{
4b44f810
PC
19 /*
20 * TODO: memset can mangle the IO patterns quite a bit.
21 * perhaps it would be better to use a dumb one:
22 */
23 memset((void *)a, b, c);
1da177e4
LT
24}
25EXPORT_SYMBOL(memset_io);