2 * Copyright (c) 2001 Benno Rice <benno@FreeBSD.org>
3 * Copyright (c) 2007 Semihalf, Rafal Jaworowski <raj@semihalf.com>
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
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.
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 #include <sys/cdefs.h>
29 __FBSDID("$FreeBSD$");
31 #include <sys/param.h>
32 #include <sys/linker.h>
34 #include <machine/md_var.h>
35 #include <machine/metadata.h>
36 #include <machine/elf.h>
40 #include "bootstrap.h"
43 extern vm_offset_t md_load(char *, vm_offset_t *);
46 __elfN(uboot_load)(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(uboot_exec)(struct preloaded_file *fp)
69 struct file_metadata *fmp;
73 void (*entry)(void *);
75 if ((fmp = file_findmetadata(fp, MODINFOMD_ELFHDR)) == NULL)
78 e = (Elf_Ehdr *)&fmp->md_data;
80 if ((error = md_load(fp->f_args, &mdp)) != 0)
83 entry = uboot_vm_translate(e->e_entry);
84 printf("Kernel entry at 0x%x...\n", (unsigned)entry);
87 printf("Kernel args: %s\n", fp->f_args);
89 (*entry)((void *)mdp);
90 panic("exec returned");
93 struct file_format uboot_elf = {