diff options
Diffstat (limited to 'lib_mips')
| -rw-r--r-- | lib_mips/Makefile | 10 | ||||
| -rw-r--r-- | lib_mips/bootm.c (renamed from lib_mips/mips_linux.c) | 154 |
2 files changed, 43 insertions, 121 deletions
diff --git a/lib_mips/Makefile b/lib_mips/Makefile index 3163f00..799eaf2 100644 --- a/lib_mips/Makefile +++ b/lib_mips/Makefile @@ -25,12 +25,14 @@ include $(TOPDIR)/config.mk LIB = $(obj)lib$(ARCH).a -SOBJS = +SOBJS-y += -COBJS = board.o time.o mips_linux.o +COBJS-y += board.o +COBJS-y += bootm.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_mips/mips_linux.c b/lib_mips/bootm.c index 556b180..e4c139e 100644 --- a/lib_mips/mips_linux.c +++ b/lib_mips/bootm.c @@ -33,10 +33,6 @@ DECLARE_GLOBAL_DATA_PTR; #define LINUX_MAX_ENVS 256 #define LINUX_MAX_ARGS 256 -extern image_header_t header; /* from cmd_bootm.c */ - -extern int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]); - static int linux_argc; static char ** linux_argv; @@ -47,126 +43,40 @@ static int linux_env_idx; static void linux_params_init (ulong start, char * commandline); static void linux_env_set (char * env_name, char * env_val); +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) + bootm_headers_t *images) { - ulong len = 0, checksum; - ulong initrd_start, initrd_end; - ulong data; - void (*theKernel) (int, char **, char **, int *); - image_header_t *hdr = &header; - char *commandline = getenv ("bootargs"); - char env_buf[12]; - - theKernel = - (void (*)(int, char **, char **, int *)) 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, (uchar *) data, len) != checksum) { - printf ("Bad Header Checksum\n"); - show_boot_progress (-11); - do_reset (cmdtp, flag, argc, argv); + ulong initrd_start, initrd_end; + ulong ep = 0; + void (*theKernel) (int, char **, char **, int *); + char *commandline = getenv ("bootargs"); + char env_buf[12]; + int ret; + + /* 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) { + 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; } - - 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, (uchar *) 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_MIPS) || - (hdr->ih_type != IH_TYPE_RAMDISK)) { - printf ("No Linux MIPS 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; - int i; - - 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; + puts ("Could not find kernel entry point!\n"); + goto error; } + theKernel = (void (*)(int, char **, char **, int *))ep; + + ret = boot_get_ramdisk (argc, argv, images, IH_ARCH_MIPS, + &initrd_start, &initrd_end); + if (ret) + goto error; show_boot_progress (15); @@ -203,10 +113,20 @@ void do_bootm_linux (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[], sprintf (env_buf, "0x%X", (uint) (gd->bd->bi_flashsize)); linux_env_set ("flash_size", env_buf); + if (!images->autostart) + return ; + /* we assume that the kernel is in place */ printf ("\nStarting kernel ...\n\n"); theKernel (linux_argc, linux_argv, linux_env, 0); + /* does not return */ + return; + +error: + if (images->autostart) + do_reset (cmdtp, flag, argc, argv); + return; } static void linux_params_init (ulong start, char *line) |