2 * Copyright (c) 2001 Benno Rice <benno@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("$FreeBSD$");
30 #include <sys/param.h>
31 #include <sys/linker.h>
33 #include <machine/metadata.h>
34 #include <machine/elf.h>
38 #include "bootstrap.h"
43 extern vm_offset_t reloc; /* From <arch>/conf.c */
46 __elfN(ofw_loadfile)(char *filename, u_int64_t dest,
47 struct preloaded_file **result)
51 r = __elfN(loadfile)(filename, dest, result);
55 #if defined(__powerpc__)
57 * No need to sync the icache for modules: this will
58 * be done by the kernel after relocation.
60 if (!strcmp((*result)->f_type, "elf kernel"))
61 __syncicache((void *) (*result)->f_addr, (*result)->f_size);
67 __elfN(ofw_exec)(struct preloaded_file *fp)
69 struct file_metadata *fmp;
70 vm_offset_t mdp, dtbp;
75 if ((fmp = file_findmetadata(fp, MODINFOMD_ELFHDR)) == NULL) {
78 e = (Elf_Ehdr *)&fmp->md_data;
81 if ((error = md_load(fp->f_args, &mdp, &dtbp)) != 0)
84 printf("Kernel entry at 0x%lx ...\n", e->e_entry);
90 ((int (*)(u_long, u_long, u_long, void *, u_long))entry)(dtbp, 0, 0,
93 OF_chain((void *)reloc, end - (char *)reloc, (void *)entry,
94 (void *)mdp, sizeof(mdp));
97 panic("exec returned");
100 struct file_format ofw_elf =
102 __elfN(ofw_loadfile),