Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
1#include <linux/string.h>
2#include <asm/io.h>
3#include <linux/module.h>
4
5void __memcpy_toio(unsigned long dst,const void*src,unsigned len)
6{
7 __inline_memcpy((void *) dst,src,len);
8}
9EXPORT_SYMBOL(__memcpy_toio);
10
11void __memcpy_fromio(void *dst,unsigned long src,unsigned len)
12{
13 __inline_memcpy(dst,(const void *) src,len);
14}
15EXPORT_SYMBOL(__memcpy_fromio);
16
17void memset_io(volatile void __iomem *a, int b, size_t c)
18{
19 /* XXX: memset can mangle the IO patterns quite a bit.
20 perhaps it would be better to use a dumb one */
21 memset((void *)a,b,c);
22}
23EXPORT_SYMBOL(memset_io);