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Inline copyinstr(), copyin() and copyout()

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This commit is contained in:
Sebastian Huber
2013-10-30 10:56:59 +01:00
parent 724d62b427
commit adaa24668e
5 changed files with 33 additions and 87 deletions
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33
freebsd/sys/sys/systm.h
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@@ -227,6 +227,7 @@ void *memmove(void *dest, const void *src, size_t n) __nonnull(1) __nonnull(2);
int copystr(const void * __restrict kfaddr, void * __restrict kdaddr,
size_t len, size_t * __restrict lencopied)
__nonnull(1) __nonnull(2);
#ifndef __rtems__
int copyinstr(const void * __restrict udaddr, void * __restrict kaddr,
size_t len, size_t * __restrict lencopied)
__nonnull(1) __nonnull(2);
@@ -234,6 +235,38 @@ int copyin(const void * __restrict udaddr, void * __restrict kaddr,
size_t len) __nonnull(1) __nonnull(2);
int copyout(const void * __restrict kaddr, void * __restrict udaddr,
size_t len) __nonnull(1) __nonnull(2);
#else /* __rtems__ */
static inline int __nonnull(1) __nonnull(2)
copyinstr(const void * __restrict udaddr, void * __restrict kaddr,
size_t len, size_t * __restrict lencopied)
{
if (lencopied != NULL) {
*lencopied = len;
}
memcpy(kaddr, udaddr, len);
return (0);
}
static inline int __nonnull(1) __nonnull(2)
copyin(const void * __restrict udaddr, void * __restrict kaddr,
size_t len)
{
memcpy(kaddr, udaddr, len);
return (0);
}
static inline int __nonnull(1) __nonnull(2)
copyout(const void * __restrict kaddr, void * __restrict udaddr,
size_t len)
{
memcpy(udaddr, kaddr, len);
return (0);
}
#endif /* __rtems__ */
int fubyte(const void *base);
long fuword(const void *base);