1999-12-29 09:54:46 +00:00
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/*-
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* Copyright (c) 1998 Michael Smith <msmith@freebsd.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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1998-08-31 21:10:43 +00:00
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*/
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1999-12-29 09:54:46 +00:00
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2003-08-25 23:28:32 +00:00
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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1998-08-31 21:10:43 +00:00
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/*
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* MD primitives supporting placement of module data
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*
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* XXX should check load address/size against memory top.
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*/
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#include <stand.h>
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#include "libi386.h"
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1998-09-17 23:52:16 +00:00
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#include "btxv86.h"
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1998-08-31 21:10:43 +00:00
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2000-08-03 09:14:02 +00:00
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ssize_t
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i386_copyin(const void *src, vm_offset_t dest, const size_t len)
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1998-08-31 21:10:43 +00:00
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{
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2019-11-08 12:19:03 +00:00
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if (dest + len >= memtop) {
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errno = EFBIG;
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return (-1);
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}
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1998-09-17 23:52:16 +00:00
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2019-11-08 12:19:03 +00:00
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bcopy(src, PTOV(dest), len);
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return (len);
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1998-08-31 21:10:43 +00:00
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}
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2000-08-03 09:14:02 +00:00
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ssize_t
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i386_copyout(const vm_offset_t src, void *dest, const size_t len)
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1998-09-03 02:10:09 +00:00
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{
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2019-11-08 12:19:03 +00:00
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if (src + len >= memtop) {
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errno = EFBIG;
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return (-1);
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}
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bcopy(PTOV(src), dest, len);
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return (len);
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1998-09-03 02:10:09 +00:00
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}
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2000-08-03 09:14:02 +00:00
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ssize_t
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2020-03-08 17:42:42 +00:00
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i386_readin(readin_handle_t fd, vm_offset_t dest, const size_t len)
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1998-08-31 21:10:43 +00:00
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{
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1998-09-17 23:52:16 +00:00
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2019-11-08 12:19:03 +00:00
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if (dest + len >= memtop_copyin) {
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errno = EFBIG;
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return (-1);
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}
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2005-12-19 09:00:11 +00:00
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2020-03-08 17:42:42 +00:00
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return (VECTX_READ(fd, PTOV(dest), len));
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1998-08-31 21:10:43 +00:00
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}
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