diff options
Diffstat (limited to 'lib_microblaze')
| -rw-r--r-- | lib_microblaze/Makefile | 11 | ||||
| -rw-r--r-- | lib_microblaze/bootm.c | 81 | ||||
| -rw-r--r-- | lib_microblaze/microblaze_linux.c | 164 |
3 files changed, 88 insertions, 168 deletions
diff --git a/lib_microblaze/Makefile b/lib_microblaze/Makefile index 82b7bea..141b082 100644 --- a/lib_microblaze/Makefile +++ b/lib_microblaze/Makefile @@ -25,12 +25,15 @@ include $(TOPDIR)/config.mk LIB = $(obj)lib$(ARCH).a -SOBJS = +SOBJS-y += -COBJS = board.o microblaze_linux.o time.o cache.o +COBJS-y += board.o +COBJS-y += bootm.o +COBJS-y += cache.o +COBJS-y += time.o -SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c) -OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS)) +SRCS := $(SOBJS-y:.o=.S) $(COBJS-y:.o=.c) +OBJS := $(addprefix $(obj),$(SOBJS-y) $(COBJS-y)) $(LIB): $(obj).depend $(OBJS) $(AR) $(ARFLAGS) $@ $(OBJS) 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; +} diff --git a/lib_microblaze/microblaze_linux.c b/lib_microblaze/microblaze_linux.c deleted file mode 100644 index 68b58d4..0000000 --- a/lib_microblaze/microblaze_linux.c +++ /dev/null @@ -1,164 +0,0 @@ -/* - * (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 image_header_t header; /* from cmd_bootm.c */ -/*cmd_boot.c*/ -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[], - ulong addr, ulong * len_ptr, int verify) -{ - ulong len = 0, checksum; - ulong initrd_start, initrd_end; - ulong data; - /* First parameter is mapped to $r5 for kernel boot args */ - void (*theKernel) (char *); - image_header_t *hdr = &header; - char *commandline = getenv ("bootargs"); - int i; - - theKernel = (void (*)(char *))ntohl (hdr->ih_ep); - - /* Check if there is an initrd image */ - if (argc >= 3) { - show_boot_progress (9); - - addr = simple_strtoul (argv[2], NULL, 16); - - printf ("## Loading Ramdisk Image at %08lx ...\n", addr); - - /* Copy header so we can blank CRC field for re-calculation */ - memcpy (&header, (char *)addr, sizeof (image_header_t)); - - if (ntohl (hdr->ih_magic) != IH_MAGIC) { - printf ("Bad Magic Number\n"); - show_boot_progress (-10); - do_reset (cmdtp, flag, argc, argv); - } - - data = (ulong) & header; - len = sizeof (image_header_t); - - checksum = ntohl (hdr->ih_hcrc); - hdr->ih_hcrc = 0; - - if (crc32 (0, (char *)data, len) != checksum) { - printf ("Bad Header Checksum\n"); - show_boot_progress (-11); - do_reset (cmdtp, flag, argc, argv); - } - - show_boot_progress (10); - - print_image_hdr (hdr); - - data = addr + sizeof (image_header_t); - len = ntohl (hdr->ih_size); - - if (verify) { - ulong csum = 0; - - printf (" Verifying Checksum ... "); - csum = crc32 (0, (char *)data, len); - if (csum != ntohl (hdr->ih_dcrc)) { - printf ("Bad Data CRC\n"); - show_boot_progress (-12); - do_reset (cmdtp, flag, argc, argv); - } - printf ("OK\n"); - } - - show_boot_progress (11); - - if ((hdr->ih_os != IH_OS_LINUX) || - (hdr->ih_arch != IH_CPU_MICROBLAZE) || - (hdr->ih_type != IH_TYPE_RAMDISK)) { - printf ("No Linux Microblaze Ramdisk Image\n"); - show_boot_progress (-13); - do_reset (cmdtp, flag, argc, argv); - } - - /* - * Now check if we have a multifile image - */ - } else if ((hdr->ih_type == IH_TYPE_MULTI) && (len_ptr[1])) { - ulong tail = ntohl (len_ptr[0]) % 4; - - show_boot_progress (13); - - /* skip kernel length and terminator */ - data = (ulong) (&len_ptr[2]); - /* skip any additional image length fields */ - for (i = 1; len_ptr[i]; ++i) - data += 4; - /* add kernel length, and align */ - data += ntohl (len_ptr[0]); - if (tail) { - data += 4 - tail; - } - - len = ntohl (len_ptr[1]); - - } else { - /* - * no initrd image - */ - show_boot_progress (14); - - data = 0; - } - -#ifdef DEBUG - if (!data) { - printf ("No initrd\n"); - } -#endif - - if (data) { - initrd_start = data; - initrd_end = initrd_start + len; - } else { - initrd_start = 0; - initrd_end = 0; - } - - show_boot_progress (15); - -#ifdef DEBUG - printf ("## Transferring control to Linux (at address %08lx) ...\n", - (ulong) theKernel); -#endif - - theKernel (commandline); -} |