diff options
Diffstat (limited to 'lib_ppc/bootm.c')
| -rw-r--r-- | lib_ppc/bootm.c | 61 |
1 files changed, 41 insertions, 20 deletions
diff --git a/lib_ppc/bootm.c b/lib_ppc/bootm.c index de6995e..9f48b8d 100644 --- a/lib_ppc/bootm.c +++ b/lib_ppc/bootm.c @@ -41,7 +41,7 @@ #include <fdt_support.h> static void fdt_error (const char *msg); -static void get_fdt (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[], +static int get_fdt (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[], bootm_headers_t *images, char **of_flat_tree, ulong *of_size); static ulong fdt_relocate (ulong alloc_current, cmd_tbl_t *cmdtp, int flag, int argc, char *argv[], @@ -95,7 +95,10 @@ do_bootm_linux(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[], #if defined(CONFIG_OF_LIBFDT) /* find flattened device tree */ - get_fdt (cmdtp, flag, argc, argv, images, &of_flat_tree, &of_size); + ret = get_fdt (cmdtp, flag, argc, argv, images, &of_flat_tree, &of_size); + + if (ret) + goto error; #endif if (!of_size) { @@ -113,18 +116,21 @@ do_bootm_linux(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[], #if defined(CONFIG_FIT) } else if (images->fit_uname_os) { fit_unsupported_reset ("PPC linux bootm"); - do_reset (cmdtp, flag, argc, argv); + goto error; #endif } else { puts ("Could not find kernel entry point!\n"); - do_reset (cmdtp, flag, argc, argv); + goto error; } kernel = (void (*)(bd_t *, ulong, ulong, ulong, ulong))ep; /* find ramdisk */ - get_ramdisk (cmdtp, flag, argc, argv, images, + ret = get_ramdisk (cmdtp, flag, argc, argv, images, IH_ARCH_PPC, &rd_data_start, &rd_data_end); + if (ret) + goto error; + rd_len = rd_data_end - rd_data_start; #if defined(CONFIG_OF_LIBFDT) @@ -139,18 +145,18 @@ do_bootm_linux(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[], /* pass in dummy initrd info, we'll fix up later */ if (fdt_chosen(of_flat_tree, rd_data_start, rd_data_end, 0) < 0) { fdt_error ("/chosen node create failed"); - do_reset (cmdtp, flag, argc, argv); + goto error; } #ifdef CONFIG_OF_HAS_UBOOT_ENV if (fdt_env(of_flat_tree) < 0) { fdt_error ("/u-boot-env node create failed"); - do_reset (cmdtp, flag, argc, argv); + goto error; } #endif #ifdef CONFIG_OF_HAS_BD_T if (fdt_bd_t(of_flat_tree) < 0) { fdt_error ("/bd_t node create failed"); - do_reset (cmdtp, flag, argc, argv); + goto error; } #endif #ifdef CONFIG_OF_BOARD_SETUP @@ -183,7 +189,7 @@ do_bootm_linux(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[], initrd_end - initrd_start + 1); if (ret < 0) { printf("fdt_chosen: %s\n", fdt_strerror(ret)); - do_reset (cmdtp, flag, argc, argv); + goto error; } do_fixup_by_path_u32(of_flat_tree, "/chosen", @@ -225,6 +231,11 @@ do_bootm_linux(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[], */ (*kernel) (kbd, initrd_start, initrd_end, cmd_start, cmd_end); /* does not return */ + return ; + +error: + do_reset (cmdtp, flag, argc, argv); + return ; } static ulong get_sp (void) @@ -304,7 +315,7 @@ static image_header_t *image_get_fdt (ulong fdt_addr) return fdt_hdr; } -static void get_fdt (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[], +static int get_fdt (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[], bootm_headers_t *images, char **of_flat_tree, ulong *of_size) { ulong fdt_addr; @@ -369,7 +380,7 @@ static void get_fdt (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[], fdt_addr); fdt_hdr = image_get_fdt (fdt_addr); if (!fdt_hdr) - do_reset (cmdtp, flag, argc, argv); + goto error; /* * move image data to the load address, @@ -383,7 +394,7 @@ static void get_fdt (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[], if ((load_start < image_end) && (load_end > image_start)) { fdt_error ("fdt overwritten"); - do_reset (cmdtp, flag, argc, argv); + goto error; } memmove ((void *)image_get_load (fdt_hdr), (void *)image_get_data (fdt_hdr), @@ -406,7 +417,7 @@ static void get_fdt (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[], fit_hdr = (void *)fdt_addr; debug ("* fdt: FIT format image\n"); fit_unsupported_reset ("PPC fdt"); - do_reset (cmdtp, flag, argc, argv); + goto error; } else #endif { @@ -420,7 +431,7 @@ static void get_fdt (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[], break; default: fdt_error ("Did not find a cmdline Flattened Device Tree"); - do_reset (cmdtp, flag, argc, argv); + goto error; } printf (" Booting using the fdt blob at 0x%x\n", fdt_blob); @@ -446,29 +457,35 @@ static void get_fdt (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[], if (fdt_check_header (fdt_blob) != 0) { fdt_error ("image is not a fdt"); - do_reset (cmdtp, flag, argc, argv); + goto error; } if (be32_to_cpu (fdt_totalsize (fdt_blob)) != fdt_len) { fdt_error ("fdt size != image size"); - do_reset (cmdtp, flag, argc, argv); + goto error; } } else { fdt_error ("Did not find a Flattened Device Tree " "in a legacy multi-component image"); - do_reset (cmdtp, flag, argc, argv); + goto error; } } else { debug ("## No Flattened Device Tree\n"); *of_flat_tree = NULL; *of_size = 0; - return; + return 0; } *of_flat_tree = fdt_blob; *of_size = be32_to_cpu (fdt_totalsize (fdt_blob)); debug (" of_flat_tree at 0x%08lx size 0x%08lx\n", *of_flat_tree, *of_size); + + return 0; + +error: + do_reset (cmdtp, flag, argc, argv); + return 1; } static ulong fdt_relocate (ulong alloc_current, @@ -485,7 +502,7 @@ static ulong fdt_relocate (ulong alloc_current, if (fdt_check_header (fdt_blob) != 0) { fdt_error ("image is not a fdt"); - do_reset (cmdtp, flag, argc, argv); + goto error; } #ifndef CFG_NO_FLASH @@ -524,7 +541,7 @@ static ulong fdt_relocate (ulong alloc_current, err = fdt_open_into (fdt_blob, (void *)of_start, of_len); if (err != 0) { fdt_error ("fdt move failed"); - do_reset (cmdtp, flag, argc, argv); + goto error; } puts ("OK\n"); @@ -536,5 +553,9 @@ static ulong fdt_relocate (ulong alloc_current, } return new_alloc_current; + +error: + do_reset (cmdtp, flag, argc, argv); + return 1; } #endif |