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📄 bio.c(2.14 KB)
📄 biosacpi.c(4.52 KB)
📄 biosdisk.c(31.58 KB)
📄 biosmem.c(7.21 KB)
📄 biospci.c(9.84 KB)
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📄 bootinfo32.c(8.63 KB)
📄 bootinfo64.c(8.08 KB)
📄 comconsole.c(9.37 KB)
📄 devicename.c(5.3 KB)
📄 elf32_freebsd.c(2.76 KB)
📄 elf64_freebsd.c(3.75 KB)
📄 i386_copy.c(2.13 KB)
📄 i386_module.c(1.59 KB)
📄 libi386.h(5.18 KB)
📄 multiboot.c(11.19 KB)
📄 multiboot.h(6.77 KB)
📄 multiboot_tramp.S(2.06 KB)
📄 nullconsole.c(2.67 KB)
📄 pread.c(2.42 KB)
📄 pxe.c(13.8 KB)
📄 pxe.h(14.61 KB)
📄 pxetramp.S(1.01 KB)
📄 relocater_tramp.S(8.32 KB)
📄 spinconsole.c(3.11 KB)
📄 time.c(3.13 KB)
📄 vbe.c(27.6 KB)
📄 vbe.h(5.43 KB)
📄 vidconsole.c(33.89 KB)

Editing: i386_copy.c

/*-
 * Copyright (c) 1998 Michael Smith <msmith@freebsd.org>
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");

/*
 * MD primitives supporting placement of module data 
 *
 * XXX should check load address/size against memory top.
 */
#include <stand.h>

#include "libi386.h"
#include "btxv86.h"

ssize_t
i386_copyin(const void *src, vm_offset_t dest, const size_t len)
{
	if (dest + len >= memtop) {
		errno = EFBIG;
		return (-1);
	}

bcopy(src, PTOV(dest), len);
	return (len);
}

ssize_t
i386_copyout(const vm_offset_t src, void *dest, const size_t len)
{
	if (src + len >= memtop) {
		errno = EFBIG;
		return (-1);
	}

bcopy(PTOV(src), dest, len);
	return (len);
}

ssize_t
i386_readin(readin_handle_t fd, vm_offset_t dest, const size_t len)
{

if (dest + len >= memtop_copyin) {
		errno = EFBIG;
		return (-1);
	}

return (VECTX_READ(fd, PTOV(dest), len));
}

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Editing: i386_copy.c

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