| /* |
| * (C) Copyright 2003, Psyent Corporation <www.psyent.com> |
| * Scott McNutt <smcnutt@psyent.com> |
| * |
| * See file CREDITS for list of people who contributed to this |
| * project. |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU General Public License as |
| * published by the Free Software Foundation; either version 2 of |
| * the License, or (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
| * MA 02111-1307 USA |
| */ |
| |
| #include <common.h> |
| #include <command.h> |
| #include <asm/byteorder.h> |
| #include <asm/cache.h> |
| |
| #define NIOS_MAGIC 0x534f494e /* enable command line and initrd passing */ |
| |
| int do_bootm_linux(int flag, int argc, char *argv[], bootm_headers_t *images) |
| { |
| void (*kernel)(int, int, int, char *) = (void *)images->ep; |
| char *commandline = getenv("bootargs"); |
| ulong initrd_start = images->rd_start; |
| ulong initrd_end = images->rd_end; |
| |
| if ((flag != 0) && (flag != BOOTM_STATE_OS_GO)) |
| return 1; |
| |
| /* flushes data and instruction caches before calling the kernel */ |
| disable_interrupts(); |
| flush_dcache((ulong)kernel, CONFIG_SYS_DCACHE_SIZE); |
| flush_icache((ulong)kernel, CONFIG_SYS_ICACHE_SIZE); |
| |
| debug("bootargs=%s @ 0x%lx\n", commandline, (ulong)&commandline); |
| debug("initrd=0x%lx-0x%lx\n", (ulong)initrd_start, (ulong)initrd_end); |
| kernel(NIOS_MAGIC, initrd_start, initrd_end, commandline); |
| /* does not return */ |
| |
| return 1; |
| } |