diff options
Diffstat (limited to 'lib_i386/i386_linux.c')
| -rw-r--r-- | lib_i386/i386_linux.c | 179 |
1 files changed, 0 insertions, 179 deletions
diff --git a/lib_i386/i386_linux.c b/lib_i386/i386_linux.c deleted file mode 100644 index b4a6f5a..0000000 --- a/lib_i386/i386_linux.c +++ /dev/null @@ -1,179 +0,0 @@ -/* - * (C) Copyright 2002 - * Sysgo Real-Time Solutions, GmbH <www.elinos.com> - * Marius Groeger <mgroeger@sysgo.de> - * - * Copyright (C) 2001 Erik Mouw (J.A.K.Mouw@its.tudelft.nl) - * - * 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> -#include <asm/zimage.h> - -/*cmd_boot.c*/ -extern int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]); - -extern image_header_t header; /* from cmd_bootm.c */ - - -image_header_t *fake_header(image_header_t *hdr, void *ptr, int size) -{ - /* try each supported image type in order */ - if (NULL != fake_zimage_header(hdr, ptr, size)) { - return hdr; - } - - return NULL; -} - - -void do_bootm_linux(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[], - ulong addr, ulong *len_ptr, int verify) -{ - void *base_ptr; - - ulong len = 0, checksum; - ulong initrd_start, initrd_end; - ulong data; - image_header_t *hdr = &header; - - /* - * Check if there is an initrd image - */ - if (argc >= 3) { - 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"); - 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"); - do_reset (cmdtp, flag, argc, argv); - } - - 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"); - do_reset (cmdtp, flag, argc, argv); - } - printf ("OK\n"); - } - - if ((hdr->ih_os != IH_OS_LINUX) || - (hdr->ih_arch != IH_CPU_I386) || - (hdr->ih_type != IH_TYPE_RAMDISK) ) { - printf ("No Linux i386 Ramdisk Image\n"); - 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; - int i; - - /* 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 - */ - data = 0; - } - -#ifdef DEBUG - if (!data) { - printf ("No initrd\n"); - } -#endif - - if (data) { - initrd_start = data; - initrd_end = initrd_start + len; - printf (" Loading Ramdisk to %08lx, end %08lx ... ", - initrd_start, initrd_end); - memmove ((void *)initrd_start, (void *)data, len); - printf ("OK\n"); - } else { - initrd_start = 0; - initrd_end = 0; - } - - /* if multi-part image, we need to advance base ptr */ - if ((hdr->ih_type==IH_TYPE_MULTI) && (len_ptr[1])) { - int i; - for (i=0, addr+=sizeof(int); len_ptr[i++]; addr+=sizeof(int)); - } - - base_ptr = load_zimage((void*)addr + sizeof(image_header_t), ntohl(hdr->ih_size), - initrd_start, initrd_end-initrd_start, 0); - - if (NULL == base_ptr) { - printf ("## Kernel loading failed ...\n"); - do_reset(cmdtp, flag, argc, argv); - - } - -#ifdef DEBUG - printf ("## Transferring control to Linux (at address %08x) ...\n", - (u32)base_ptr); -#endif - - /* we assume that the kernel is in place */ - printf("\nStarting kernel ...\n\n"); - - boot_zimage(base_ptr); - -} |