efibootarm.c revision 1.5 1 /* $NetBSD: efibootarm.c,v 1.5 2024/09/18 19:43:29 skrll Exp $ */
2
3 /*-
4 * Copyright (c) 2019 Jared McNeill <jmcneill (at) invisible.ca>
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 #include "../efifdt.h"
31
32 #include <sys/bootblock.h>
33
34 #include <loadfile.h>
35
36 /* cache.S */
37 void armv7_dcache_wbinv_range(vaddr_t, vsize_t);
38 void armv7_dcache_wbinv_all(void);
39 void armv7_icache_inv_all(void);
40 void armv7_exec_kernel(register_t, register_t);
41
42 void
43 efi_dcache_flush(u_long start, u_long size)
44 {
45 armv7_dcache_wbinv_range(start, size);
46 }
47
48 void
49 efi_boot_kernel(u_long marks[MARK_MAX])
50 {
51 armv7_dcache_wbinv_all();
52 armv7_icache_inv_all();
53
54 armv7_exec_kernel((register_t)marks[MARK_ENTRY], (register_t)efi_fdt_data());
55 }
56
57 void
58 efi_md_show(void)
59 {
60 }
61
62 int
63 efi_md_prepare_boot(const char *fname, const char *args, u_long *marks)
64 {
65 return 0;
66 }
67