#include <linux/export.h>#include <linux/types.h>#include <linux/io.h> /* * Copy data from IO memory space to "real" memory space. * This needs to be optimized. */void _memcpy_fromio(void *to, const volatile void __iomem *from, size_t count){ unsigned char *t = to; while (count) { count--; *t = readb(from); t++; from++; }} /* * Copy data from "real" memory space to IO memory space. * This needs to be optimized. */void _memcpy_toio(volatile void __iomem *to, const void *from, size_t count){ const unsigned char *f = from; while (count) { count--; writeb(*f, to); f++; to++; }} /* * "memset" on IO memory space. * This needs to be optimized. */void _memset_io(volatile void __iomem *dst, int c, size_t count){ while (count) { count--; writeb(c, dst); dst++; }} EXPORT_SYMBOL(_memcpy_fromio);EXPORT_SYMBOL(_memcpy_toio);EXPORT_SYMBOL(_memset_io);
#include <linux/export.h>
#include <linux/types.h>
#include <linux/io.h>
/*
* Copy data from IO memory space to "real" memory space.
* This needs to be optimized.
*/
void _memcpy_fromio(void *to, const volatile void __iomem *from, size_t count)
{
unsigned char *t = to;
while (count) {
count--;
*t = readb(from);
t++;
from++;
}
}
/*
* Copy data from "real" memory space to IO memory space.
* This needs to be optimized.
*/
void _memcpy_toio(volatile void __iomem *to, const void *from, size_t count)
{
const unsigned char *f = from;
while (count) {
count--;
writeb(*f, to);
f++;
to++;
}
}
/*
* "memset" on IO memory space.
* This needs to be optimized.
*/
void _memset_io(volatile void __iomem *dst, int c, size_t count)
{
while (count) {
count--;
writeb(c, dst);
dst++;
}
}
EXPORT_SYMBOL(_memcpy_fromio);
EXPORT_SYMBOL(_memcpy_toio);
EXPORT_SYMBOL(_memset_io);