diff options
Diffstat (limited to 'lib_microblaze/bootm.c')
-rw-r--r-- | lib_microblaze/bootm.c | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/lib_microblaze/bootm.c b/lib_microblaze/bootm.c new file mode 100644 index 0000000..fab4a54 --- /dev/null +++ b/lib_microblaze/bootm.c @@ -0,0 +1,81 @@ +/* + * (C) Copyright 2007 Michal Simek + * (C) Copyright 2004 Atmark Techno, Inc. + * + * Michal SIMEK <monstr@monstr.eu> + * Yasushi SHOJI <yashi@atmark-techno.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 <image.h> +#include <zlib.h> +#include <asm/byteorder.h> + +DECLARE_GLOBAL_DATA_PTR; + +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) +{ + /* First parameter is mapped to $r5 for kernel boot args */ + void (*theKernel) (char *); + char *commandline = getenv ("bootargs"); + 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; + } + theKernel = (void (*)(char *))ep; + + show_boot_progress (15); + +#ifdef DEBUG + printf ("## Transferring control to Linux (at address %08lx) ...\n", + (ulong) theKernel); +#endif + + if (!images->autostart) + return ; + + theKernel (commandline); + /* does not return */ + return; + +error: + if (images->autostart) + do_reset (cmdtp, flag, argc, argv); + return; +} |