skimd.c revision 164010 
1/*-
2 * Copyright (c) 2006 Marcel Moolenaar
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 *
9 * 1. Redistributions of source code must retain the above copyright
10 *    notice, this list of conditions and the following disclaimer.
11 * 2. 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 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 */
26
27#include <sys/cdefs.h>
28__FBSDID("$FreeBSD: head/sys/boot/ia64/ski/skimd.c 164010 2006-11-05 22:03:04Z marcel $");
29
30#include <stand.h>
31
32#include <libia64.h>
33
34#include "libski.h"
35
36#define	PHYS_START	(4L*1024*1024*1024)
37#define	PHYS_SIZE	(64L*1024*1024 - 4L*1024)
38
39extern void acpi_stub_init(void);
40extern void efi_stub_init(struct bootinfo *);
41extern void sal_stub_init(void);
42
43uint64_t
44ldr_alloc(vm_offset_t va)
45{
46
47	if (va >= PHYS_SIZE)
48		return (0);
49	return (va + PHYS_START);
50}
51
52int
53ldr_bootinfo(struct bootinfo *bi, uint64_t *bi_addr)
54{
55	static struct bootinfo bootinfo;
56
57	efi_stub_init(bi);
58	sal_stub_init();
59	acpi_stub_init();
60
61	*bi_addr = (uint64_t)(&bootinfo);
62	bootinfo = *bi;
63	return (0);
64}
65
66int
67ldr_enter(const char *kernel)
68{
69
70	while (*kernel == '/')
71		kernel++;
72        ssc(0, (uint64_t)kernel, 0, 0, SSC_LOAD_SYMBOLS);
73	return (0);
74}
75