diff options
Diffstat (limited to 'target/linux/generic/files/block')
| -rw-r--r-- | target/linux/generic/files/block/partitions/fit.c | 52 |
1 files changed, 40 insertions, 12 deletions
diff --git a/target/linux/generic/files/block/partitions/fit.c b/target/linux/generic/files/block/partitions/fit.c index 89b5fb3454..f6f15f538a 100644 --- a/target/linux/generic/files/block/partitions/fit.c +++ b/target/linux/generic/files/block/partitions/fit.c @@ -89,12 +89,10 @@ int parse_fit_partitions(struct parsed_partitions *state, u64 fit_start_sector, size_t label_min; struct device_node *np = NULL; const char *bootconf; - - np = of_find_node_by_path("/chosen"); - if (np) - bootconf = of_get_property(np, "bootconf", NULL); - else - bootconf = NULL; + char *loadable; + char *select_rootfs = NULL; + bool found; + int loadables_rem_len, loadable_len; if (fit_start_sector % (1<<(PAGE_SHIFT - SECTOR_SHIFT))) return -ERANGE; @@ -123,7 +121,6 @@ int parse_fit_partitions(struct parsed_partitions *state, u64 fit_start_sector, dsectors = (dsectors>sectors)?sectors:dsectors; dsize = dsectors << SECTOR_SHIFT; - size = fdt_totalsize(init_fit); /* silently skip non-external-data legacy FIT images */ @@ -143,6 +140,12 @@ int parse_fit_partitions(struct parsed_partitions *state, u64 fit_start_sector, if (!fit) return -ENOMEM; + np = of_find_node_by_path("/chosen"); + if (np) + bootconf = of_get_property(np, "bootconf", NULL); + else + bootconf = NULL; + config = fdt_path_offset(fit, FIT_CONFS_PATH); if (config < 0) { printk(KERN_ERR "FIT: Cannot find %s node: %d\n", FIT_CONFS_PATH, images); @@ -172,6 +175,12 @@ int parse_fit_partitions(struct parsed_partitions *state, u64 fit_start_sector, bootconf?"Selected":"Default", bootconf?:config_default, config_description?" (":"", config_description?:"", config_description?")":""); + if (!config_loadables || !config_loadables_len) { + printk(KERN_ERR "FIT: No loadables configured in \"%s\"\n", bootconf?:config_default); + ret = -ENOENT; + goto ret_out; + } + images = fdt_path_offset(fit, FIT_IMAGES_PATH); if (images < 0) { printk(KERN_ERR "FIT: Cannot find %s node: %d\n", FIT_IMAGES_PATH, images); @@ -208,6 +217,22 @@ int parse_fit_partitions(struct parsed_partitions *state, u64 fit_start_sector, if (strcmp(image_type, FIT_FILESYSTEM_PROP)) continue; + /* check if sub-image is part of configured loadables */ + found = false; + loadable = config_loadables; + loadables_rem_len = config_loadables_len; + while (loadables_rem_len > 1) { + loadable_len = strnlen(loadable, loadables_rem_len - 1) + 1; + loadables_rem_len -= loadable_len; + if (!strncmp(image_name, loadable, loadable_len)) { + found = true; + break; + } + loadable += loadable_len; + } + if (!found) + continue; + if (image_pos & ((1 << PAGE_SHIFT)-1)) { printk(KERN_ERR "FIT: image %s start not aligned to page boundaries, skipping\n", image_name); continue; @@ -228,7 +253,8 @@ int parse_fit_partitions(struct parsed_partitions *state, u64 fit_start_sector, } put_partition(state, ++(*slot), fit_start_sector + start_sect, nr_sects); - state->parts[*slot].flags = 0; + state->parts[*slot].flags = ADDPART_FLAG_READONLY; + state->parts[*slot].has_info = true; info = &state->parts[*slot].info; label_min = min_t(int, sizeof(info->volname) - 1, image_name_len); @@ -238,14 +264,16 @@ int parse_fit_partitions(struct parsed_partitions *state, u64 fit_start_sector, snprintf(tmp, sizeof(tmp), "(%s)", info->volname); strlcat(state->pp_buf, tmp, PAGE_SIZE); - state->parts[*slot].has_info = true; - state->parts[*slot].flags |= ADDPART_FLAG_READONLY; - if (config_loadables && !strcmp(image_name, config_loadables)) { - printk(KERN_DEBUG "FIT: selecting configured loadable \"%s\" to be root filesystem\n", image_name); + /* Mark first loadable listed to be mounted as rootfs */ + if (!strcmp(image_name, config_loadables)) { + select_rootfs = image_name; state->parts[*slot].flags |= ADDPART_FLAG_ROOTDEV; } } + if (select_rootfs) + printk(KERN_DEBUG "FIT: selecting configured loadable \"%s\" to be root filesystem\n", select_rootfs); + if (add_remain && (imgmaxsect + MIN_FREE_SECT) < dsectors) { put_partition(state, ++(*slot), fit_start_sector + imgmaxsect, dsectors - imgmaxsect); state->parts[*slot].flags = 0; |