diff options
Diffstat (limited to 'lib_nios2/bootm.c')
-rw-r--r-- | lib_nios2/bootm.c | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/lib_nios2/bootm.c b/lib_nios2/bootm.c new file mode 100644 index 0000000..0c89e96 --- /dev/null +++ b/lib_nios2/bootm.c @@ -0,0 +1,67 @@ +/* + * (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> + +extern int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]); + +void do_bootm_linux(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[], + bootm_headers_t *images) +{ + ulong ep = 0; + + /* find kernel entry point */ + if (images->legacy_hdr_valid) { + ep = image_get_ep (images->legacy_hdr_os); +#if defined(CONFIG_FIT) + } else if (images->fit_uname_os) { + int ret = fit_image_get_entry (images->fit_hdr_os, + images->fit_noffset_os, &ep); + if (ret) { + puts ("Can't get entry point property!\n"); + goto error; + } +#endif + } else { + puts ("Could not find kernel entry point!\n"); + goto error; + } + void (*kernel)(void) = (void (*)(void))ep; + + if (!images->autostart) + return ; + + /* For now we assume the Microtronix linux ... which only + * needs to be called ;-) + */ + kernel (); + /* does not return */ + return; + +error: + if (images->autostart) + do_reset (cmdtp, flag, argc, argv); + return; +} |