2 * Copyright (c) 2006 Jakub Jermar
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
9 * - Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * - Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * - The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission.
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 /** @addtogroup kernel_generic
40 /** Label within memcpy_from_uspace() that contains return -1. */
41 extern char memcpy_from_uspace_failover_address
;
43 /** Label within memcpy_to_uspace() that contains return -1. */
44 extern char memcpy_to_uspace_failover_address
;
46 extern errno_t
copy_from_uspace(void *dst
, uspace_addr_t uspace_src
, size_t size
);
47 extern errno_t
copy_to_uspace(uspace_addr_t dst_uspace
, const void *src
, size_t size
);
50 * This interface must be implemented by each architecture.
51 * The functions return zero on failure and nonzero on success.
53 extern uintptr_t memcpy_from_uspace(void *dst
, uspace_addr_t uspace_src
, size_t size
);
54 extern uintptr_t memcpy_to_uspace(uspace_addr_t uspace_dst
, const void *src
, size_t size
);