1 /*
2 * (C) Copyright 2003
3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
4 *
5 * (c) Copyright 2008 Nobuhiro Iwamatsu <iwamatsu.nobuhiro@renesas.com>
6 * (c) Copyright 2008 Renesas Solutions Corp.
7 *
8 * See file CREDITS for list of people who contributed to this
9 * project.
10 *
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation; either version 2 of the License, or
14 * (at your option) any later version.
15 *
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
20 *
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
24 *
25 */
26
27 #include <common.h>
28 #include <command.h>
29 #include <asm/byteorder.h>
30
31 #ifdef CONFIG_SYS_DEBUG
hexdump(unsigned char * buf,int len)32 static void hexdump(unsigned char *buf, int len)
33 {
34 int i;
35
36 for (i = 0; i < len; i++) {
37 if ((i % 16) == 0)
38 printf("%s%08x: ", i ? "\n" : "",
39 (unsigned int)&buf[i]);
40 printf("%02x ", buf[i]);
41 }
42 printf("\n");
43 }
44 #endif
45
do_bootm_linux(int flag,int argc,char * argv[],bootm_headers_t * images)46 int do_bootm_linux(int flag, int argc, char *argv[], bootm_headers_t *images)
47 {
48 /* Linux kernel load address */
49 void (*kernel) (void) = (void (*)(void))images->ep;
50 /* empty_zero_page */
51 unsigned char *param
52 = (unsigned char *)image_get_load(images->legacy_hdr_os);
53 /* Linux kernel command line */
54 char *cmdline = (char *)param + 0x100;
55 /* PAGE_SIZE */
56 unsigned long size = images->ep - (unsigned long)param;
57 char *bootargs = getenv("bootargs");
58
59 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
60 return 1;
61
62 /* Setup parameters */
63 memset(param, 0, size); /* Clear zero page */
64 strcpy(cmdline, bootargs);
65
66 kernel();
67 /* does not return */
68
69 return 1;
70 }
71