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stand/fdt/fdt_loader_cmd.c
| Show First 20 Lines • Show All 275 Lines • ▼ Show 20 Lines | fdt_load_dtb_file(const char * filename) | ||||
| if (oldbfp) | if (oldbfp) | ||||
| file_discard(oldbfp); | file_discard(oldbfp); | ||||
| return (0); | return (0); | ||||
| } | } | ||||
| static int | static int | ||||
| fdt_load_dtb_overlay(const char * filename) | fdt_load_dtb_overlay(const char * filename) | ||||
| { | { | ||||
| struct preloaded_file *bfp, *oldbfp; | struct preloaded_file *bfp; | ||||
| struct fdt_header header; | struct fdt_header header; | ||||
| int err; | int err; | ||||
| debugf("fdt_load_dtb_overlay(%s)\n", filename); | debugf("fdt_load_dtb_overlay(%s)\n", filename); | ||||
| oldbfp = file_findfile(filename, "dtbo"); | |||||
| /* Attempt to load and validate a new dtb from a file. */ | /* Attempt to load and validate a new dtb from a file. */ | ||||
| if ((bfp = file_loadraw(filename, "dtbo", 1)) == NULL) { | if ((bfp = file_loadraw(filename, "dtbo", 1)) == NULL) { | ||||
| printf("failed to load file '%s'\n", filename); | printf("failed to load file '%s'\n", filename); | ||||
| return (1); | return (1); | ||||
| } | } | ||||
| COPYOUT(bfp->f_addr, &header, sizeof(header)); | COPYOUT(bfp->f_addr, &header, sizeof(header)); | ||||
| err = fdt_check_header(&header); | err = fdt_check_header(&header); | ||||
| if (err < 0) { | if (err < 0) { | ||||
| file_discard(bfp); | file_discard(bfp); | ||||
| if (err == -FDT_ERR_BADVERSION) | if (err == -FDT_ERR_BADVERSION) | ||||
| printf("incompatible blob version: %d, should be: %d\n", | printf("incompatible blob version: %d, should be: %d\n", | ||||
| fdt_version(fdtp), FDT_LAST_SUPPORTED_VERSION); | fdt_version(fdtp), FDT_LAST_SUPPORTED_VERSION); | ||||
| else | else | ||||
| printf("error validating blob: %s\n", | printf("error validating blob: %s\n", | ||||
| fdt_strerror(err)); | fdt_strerror(err)); | ||||
| return (1); | return (1); | ||||
| } | } | ||||
| /* A new dtb was validated, discard any previous file. */ | |||||
| if (oldbfp) | |||||
| file_discard(oldbfp); | |||||
| return (0); | return (0); | ||||
| } | } | ||||
| int | int | ||||
| fdt_load_dtb_overlays(const char * filenames) | fdt_load_dtb_overlays(const char * filenames) | ||||
| { | { | ||||
| char *names; | char *names; | ||||
| ▲ Show 20 Lines • Show All 1,404 Lines • Show Last 20 Lines | |||||