2 * Copyright (c) 1998 Michael Smith <msmith@freebsd.org>
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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.
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
27 #include <sys/cdefs.h>
28 __FBSDID("$FreeBSD$");
31 #include <sys/param.h>
32 #include <sys/reboot.h>
33 #include <sys/linker.h>
34 #include <machine/pc/bios.h>
35 #include <machine/metadata.h>
37 #include "bootstrap.h"
38 #include "libuserboot.h"
40 #define GB (1024UL * 1024 * 1024)
43 bios_addsmapdata(struct preloaded_file *kfp)
45 uint64_t lowmem, highmem;
47 struct bios_smap smap[3], *sm;
49 CALLBACK(getmem, &lowmem, &highmem);
53 sm->base = 0; /* base memory */
54 sm->length = 640 * 1024;
55 sm->type = SMAP_TYPE_MEMORY;
58 sm->base = 0x100000; /* extended memory */
59 sm->length = lowmem - 0x100000;
60 sm->type = SMAP_TYPE_MEMORY;
68 sm->type = SMAP_TYPE_MEMORY;
72 len = smapnum * sizeof(struct bios_smap);
73 file_addmetadata(kfp, MODINFOMD_SMAP, len, &smap[0]);