1 /* 2 * Copyright 2015 Freescale Semiconductor, Inc. 3 * 4 * SPDX-License-Identifier: GPL-2.0+ 5 */ 6 7 #include <common.h> 8 #include <command.h> 9 #include <fsl_validate.h> 10 11 static int do_esbc_halt(cmd_tbl_t *cmdtp, int flag, int argc, 12 char * const argv[]) 13 { 14 printf("Core is entering spin loop.\n"); 15 loop: 16 goto loop; 17 18 return 0; 19 } 20 21 static int do_esbc_validate(cmd_tbl_t *cmdtp, int flag, int argc, 22 char * const argv[]) 23 { 24 char *hash_str = NULL; 25 uintptr_t haddr; 26 int ret; 27 28 if (argc < 2) 29 return cmd_usage(cmdtp); 30 else if (argc > 2) 31 /* Second arg - Optional - Hash Str*/ 32 hash_str = argv[2]; 33 34 /* First argument - header address -32/64bit */ 35 haddr = (uintptr_t)simple_strtoul(argv[1], NULL, 16); 36 37 /* With esbc_validate command, Image address must be 38 * part of header. So, the function is called 39 * by passing this argument as 0. 40 */ 41 ret = fsl_secboot_validate(haddr, hash_str, 0); 42 if (ret) 43 return 1; 44 45 printf("esbc_validate command successful\n"); 46 return 0; 47 } 48 49 /***************************************************/ 50 static char esbc_validate_help_text[] = 51 "esbc_validate hdr_addr <hash_val> - Validates signature using\n" 52 " RSA verification\n" 53 " $hdr_addr Address of header of the image\n" 54 " to be validated.\n" 55 " $hash_val -Optional\n" 56 " It provides Hash of public/srk key to be\n" 57 " used to verify signature.\n"; 58 59 U_BOOT_CMD( 60 esbc_validate, 3, 0, do_esbc_validate, 61 "Validates signature on a given image using RSA verification", 62 esbc_validate_help_text 63 ); 64 65 U_BOOT_CMD( 66 esbc_halt, 1, 0, do_esbc_halt, 67 "Put the core in spin loop ", 68 "" 69 ); 70