sys/boot/ia64/libski/copy.c

   1 /*-
   2  * Copyright (c) 1998 Michael Smith <msmith@freebsd.org>
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  *
  14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  24  * SUCH DAMAGE.
  25  *
  26  * $DragonFly: src/sys/boot/ia64/libski/copy.c,v 1.1 2003/11/10 06:08:37 dillon Exp $
  27  */
  28
  29 /*
  30  * MD primitives supporting placement of module data
  31  *
  32  * XXX should check load address/size against memory top.
  33  */
  34 #include <stand.h>
  35
  36 #include <machine/ia64_cpu.h>
  37 #include <machine/vmparam.h>
  38
  39 int
  40 ski_copyin(void *src, vm_offset_t dest, size_t len)
  41 {
  42         bcopy(src, (void*) IA64_RR_MASK(dest), len);
  43         return (len);
  44 }
  45
  46 int
  47 ski_copyout(vm_offset_t src, void *dest, size_t len)
  48 {
  49         bcopy((void*) IA64_RR_MASK(src), dest, len);
  50         return (len);
  51 }
  52
  53 int
  54 ski_readin(int fd, vm_offset_t dest, size_t len)
  55 {
  56         return (read(fd, (void*) IA64_RR_MASK(dest), len));
  57 }