diff options
Diffstat (limited to 'lib_m68k/m68k_linux.c')
| -rw-r--r-- | lib_m68k/m68k_linux.c | 64 |
1 files changed, 18 insertions, 46 deletions
diff --git a/lib_m68k/m68k_linux.c b/lib_m68k/m68k_linux.c index cc974c2..3759fd2 100644 --- a/lib_m68k/m68k_linux.c +++ b/lib_m68k/m68k_linux.c @@ -48,12 +48,14 @@ DECLARE_GLOBAL_DATA_PTR; extern image_header_t header; +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 sp; - ulong len, checksum; + ulong len; ulong initrd_start, initrd_end; ulong cmd_start, cmd_end; ulong initrd_high; @@ -131,7 +133,7 @@ void do_bootm_linux(cmd_tbl_t * cmdtp, int flag, } kernel = - (void (*)(bd_t *, ulong, ulong, ulong, ulong))ntohl(hdr->ih_ep); + (void (*)(bd_t *, ulong, ulong, ulong, ulong))image_get_ep (hdr); /* * Check if there is an initrd image @@ -142,25 +144,17 @@ void do_bootm_linux(cmd_tbl_t * cmdtp, int flag, SHOW_BOOT_PROGRESS(9); addr = simple_strtoul(argv[2], NULL, 16); + hdr = (image_header_t *)addr; printf("## Loading RAMDisk Image at %08lx ...\n", addr); - /* Copy header so we can blank CRC field for re-calculation */ - memmove(&header, (char *)addr, sizeof(image_header_t)); - - if (ntohl(hdr->ih_magic) != IH_MAGIC) { + if (!image_check_magic (hdr)) { puts("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, (uchar *) data, len) != checksum) { + if (!image_check_hcrc (hdr)) { puts("Bad Header Checksum\n"); SHOW_BOOT_PROGRESS(-11); do_reset(cmdtp, flag, argc, argv); @@ -168,36 +162,14 @@ void do_bootm_linux(cmd_tbl_t * cmdtp, int flag, SHOW_BOOT_PROGRESS(10); - print_image_hdr(hdr); + print_image_hdr (hdr); - data = addr + sizeof(image_header_t); - len = ntohl(hdr->ih_size); + data = image_get_data (hdr); + len = image_get_data_size (hdr); if (verify) { - ulong csum = 0; -#if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG) - ulong cdata = data, edata = cdata + len; -#endif /* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */ - puts(" Verifying Checksum ... "); - -#if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG) - - while (cdata < edata) { - ulong chunk = edata - cdata; - - if (chunk > CHUNKSZ) - chunk = CHUNKSZ; - csum = crc32(csum, (uchar *) cdata, chunk); - cdata += chunk; - - WATCHDOG_RESET(); - } -#else /* !(CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG) */ - csum = crc32(0, (uchar *) data, len); -#endif /* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */ - - if (csum != ntohl(hdr->ih_dcrc)) { + if (!image_check_dcrc_wd (hdr, CHUNKSZ)) { puts("Bad Data CRC\n"); SHOW_BOOT_PROGRESS(-12); do_reset(cmdtp, flag, argc, argv); @@ -207,9 +179,9 @@ void do_bootm_linux(cmd_tbl_t * cmdtp, int flag, SHOW_BOOT_PROGRESS(11); - if ((hdr->ih_os != IH_OS_LINUX) || - (hdr->ih_arch != IH_CPU_M68K) || - (hdr->ih_type != IH_TYPE_RAMDISK)) { + if (!image_check_os (hdr, IH_OS_LINUX) || + !image_check_arch (hdr, IH_ARCH_M68K) || + !image_check_type (hdr, IH_TYPE_RAMDISK)) { puts("No Linux ColdFire Ramdisk Image\n"); SHOW_BOOT_PROGRESS(-13); do_reset(cmdtp, flag, argc, argv); @@ -218,8 +190,8 @@ void do_bootm_linux(cmd_tbl_t * cmdtp, int flag, /* * Now check if we have a multifile image */ - } else if ((hdr->ih_type == IH_TYPE_MULTI) && (len_ptr[1])) { - u_long tail = ntohl(len_ptr[0]) % 4; + } else if (image_check_type (hdr, IH_TYPE_MULTI) && (len_ptr[1])) { + u_long tail = image_to_cpu (len_ptr[0]) % 4; int i; SHOW_BOOT_PROGRESS(13); @@ -230,12 +202,12 @@ void do_bootm_linux(cmd_tbl_t * cmdtp, int flag, for (i = 1; len_ptr[i]; ++i) data += 4; /* add kernel length, and align */ - data += ntohl(len_ptr[0]); + data += image_to_cpu (len_ptr[0]); if (tail) { data += 4 - tail; } - len = ntohl(len_ptr[1]); + len = image_to_cpu (len_ptr[1]); } else { /* |