efibootia32.c revision 1.4 
1/*	$NetBSD: efibootia32.c,v 1.4 2018/03/27 14:15:05 nonaka Exp $	*/
2
3/*-
4 * Copyright (c) 2016 Kimihiro Nonaka <nonaka@netbsd.org>
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28
29#include "efiboot.h"
30
31#include <sys/bootblock.h>
32
33void startprog32_start(physaddr_t, uint32_t, uint32_t *, physaddr_t,
34    physaddr_t, physaddr_t, u_long, void *);
35extern void (*startprog32)(physaddr_t, uint32_t, uint32_t *, physaddr_t,
36    physaddr_t, physaddr_t, u_long, void *);
37extern u_int startprog32_size;
38
39void
40efi_md_init(void)
41{
42	EFI_STATUS status;
43	EFI_PHYSICAL_ADDRESS addr = EFI_ALLOCATE_MAX_ADDRESS;
44	u_int sz = EFI_SIZE_TO_PAGES(startprog32_size);
45
46	status = uefi_call_wrapper(BS->AllocatePages, 4, AllocateMaxAddress,
47	    EfiLoaderData, sz, &addr);
48	if (EFI_ERROR(status))
49		panic("%s: AllocatePages() failed: %d page(s): %" PRIxMAX,
50		    __func__, sz, (uintmax_t)status);
51	startprog32 = (void *)(u_long)addr;
52	CopyMem(startprog32, startprog32_start, startprog32_size);
53}
54
55/* ARGSUSED */
56void
57startprog(physaddr_t entry, uint32_t argc, uint32_t *argv, physaddr_t sp)
58{
59
60	(*startprog32)(entry, argc, argv,
61	    (physaddr_t)startprog32 + startprog32_size,
62	    efi_kernel_start, efi_kernel_start + efi_loadaddr,
63	    efi_kernel_size, startprog32);
64}
65
66/* ARGSUSED */
67void
68multiboot(physaddr_t entry, physaddr_t header, physaddr_t sp)
69{
70	panic("%s: not implemented", __func__);
71}
72