2 * (C) Copyright 2003, Psyent Corporation <www.psyent.com>
3 * Scott McNutt <smcnutt@psyent.com>
5 * See file CREDITS for list of people who contributed to this
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 of
11 * the License, or (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
26 #include <asm/byteorder.h>
27 #include <asm/cache.h>
29 #define NIOS_MAGIC 0x534f494e /* enable command line and initrd passing */
31 int do_bootm_linux(int flag, int argc, char *argv[], bootm_headers_t *images)
33 void (*kernel)(int, int, int, char *) = (void *)images->ep;
34 char *commandline = getenv("bootargs");
35 ulong initrd_start = images->rd_start;
36 ulong initrd_end = images->rd_end;
38 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
41 /* flushes data and instruction caches before calling the kernel */
43 flush_dcache((ulong)kernel, CONFIG_SYS_DCACHE_SIZE);
44 flush_icache((ulong)kernel, CONFIG_SYS_ICACHE_SIZE);
46 debug("bootargs=%s @ 0x%lx\n", commandline, (ulong)&commandline);
47 debug("initrd=0x%lx-0x%lx\n", (ulong)initrd_start, (ulong)initrd_end);
48 kernel(NIOS_MAGIC, initrd_start, initrd_end, commandline);