From 5ad03eb3854c162684222a718b44c0716ea0db03 Mon Sep 17 00:00:00 2001 From: Marian Balakowicz Date: Thu, 31 Jan 2008 13:55:39 +0100 Subject: [new uImage] Factor out common image_get_ramdisk() routine Architecture specific do_bootm_linux() routines share common ramdisk image processing code. Move this code to a common helper routine. Signed-off-by: Marian Balakowicz --- lib_ppc/bootm.c | 94 ++++++--------------------------------------------------- 1 file changed, 9 insertions(+), 85 deletions(-) (limited to 'lib_ppc/bootm.c') diff --git a/lib_ppc/bootm.c b/lib_ppc/bootm.c index 36e6776..65edcdb 100644 --- a/lib_ppc/bootm.c +++ b/lib_ppc/bootm.c @@ -68,8 +68,7 @@ do_bootm_linux(cmd_tbl_t *cmdtp, int flag, ulong initrd_high; int initrd_copy_to_ram = 1; ulong initrd_start, initrd_end; - ulong rd_data, rd_len; - image_header_t *rd_hdr; + ulong rd_data_start, rd_data_end, rd_len; ulong cmd_start, cmd_end; char *cmdline; @@ -171,81 +170,9 @@ do_bootm_linux(cmd_tbl_t *cmdtp, int flag, kernel = (void (*)(bd_t *, ulong, ulong, ulong, ulong))image_get_ep (hdr); - /* - * Check if there is an initrd image - */ - -#if defined(CONFIG_OF_LIBFDT) - /* Look for a '-' which indicates to ignore the ramdisk argument */ - if (argc >= 3 && strcmp(argv[2], "-") == 0) { - debug ("Skipping initrd\n"); - rd_len = rd_data = 0; - } - else -#endif - if (argc >= 3) { - debug ("Not skipping initrd\n"); - show_boot_progress (9); - - rd_hdr = (image_header_t *)simple_strtoul (argv[2], NULL, 16); - printf ("## Loading RAMDisk Image at %08lx ...\n", (ulong)rd_hdr); - - if (!image_check_magic (rd_hdr)) { - puts ("Bad Magic Number\n"); - show_boot_progress (-10); - do_reset (cmdtp, flag, argc, argv); - } - - if (!image_check_hcrc (rd_hdr)) { - puts ("Bad Header Checksum\n"); - show_boot_progress (-11); - do_reset (cmdtp, flag, argc, argv); - } - show_boot_progress (10); - - print_image_hdr (rd_hdr); - - if (verify) { - puts (" Verifying Checksum ... "); - - if (!image_check_dcrc_wd (rd_hdr, CHUNKSZ)) { - puts ("Bad Data CRC\n"); - show_boot_progress (-12); - do_reset (cmdtp, flag, argc, argv); - } - puts ("OK\n"); - } - - show_boot_progress (11); - - if (!image_check_os (rd_hdr, IH_OS_LINUX) || - !image_check_arch (rd_hdr, IH_ARCH_PPC) || - !image_check_type (rd_hdr, IH_TYPE_RAMDISK)) { - puts ("No Linux PPC Ramdisk Image\n"); - show_boot_progress (-13); - do_reset (cmdtp, flag, argc, argv); - } - - rd_data = image_get_data (rd_hdr); - rd_len = image_get_data_size (rd_hdr); - - /* - * Now check if we have a multifile image - */ - } else if (image_check_type (hdr, IH_TYPE_MULTI)) { - /* - * Get second entry data start address and len - */ - image_multi_getimg (hdr, 1, &rd_data, &rd_len); - show_boot_progress (13); - } else { - /* - * No initrd image - */ - show_boot_progress (14); - - rd_len = rd_data = 0; - } + get_ramdisk (cmdtp, flag, argc, argv, hdr, verify, + IH_ARCH_PPC, &rd_data_start, &rd_data_end); + rd_len = rd_data_end - rd_data_start; #if defined(CONFIG_OF_LIBFDT) if(argc > 3) { @@ -337,14 +264,11 @@ do_bootm_linux(cmd_tbl_t *cmdtp, int flag, } } #endif - if (!rd_data) { - debug ("No initrd\n"); - } - if (rd_data) { + if (rd_data_start) { if (!initrd_copy_to_ram) { /* zero-copy ramdisk support */ - initrd_start = rd_data; - initrd_end = initrd_start + rd_len; + initrd_start = rd_data_start; + initrd_end = rd_data_end; } else { initrd_start = (ulong)kbd - rd_len; initrd_start &= ~(4096 - 1); /* align on page */ @@ -376,14 +300,14 @@ do_bootm_linux(cmd_tbl_t *cmdtp, int flag, show_boot_progress (12); debug ("## initrd at 0x%08lX ... 0x%08lX (len=%ld=0x%lX)\n", - rd_data, rd_data + rd_len - 1, rd_len, rd_len); + rd_data_start, rd_data_end - 1, rd_len, rd_len); initrd_end = initrd_start + rd_len; printf (" Loading Ramdisk to %08lx, end %08lx ... ", initrd_start, initrd_end); memmove_wd((void *)initrd_start, - (void *)rd_data, rd_len, CHUNKSZ); + (void *)rd_data_start, rd_len, CHUNKSZ); puts ("OK\n"); } -- cgit v1.1