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Commit | Line | Data |
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47151e4b | 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 | ||
c4666cf6 | 11 | int do_esbc_halt(cmd_tbl_t *cmdtp, int flag, int argc, |
98cb0efd | 12 | char * const argv[]) |
13 | { | |
856b2846 AB |
14 | if (fsl_check_boot_mode_secure() == 0) { |
15 | printf("Boot Mode is Non-Secure. Not entering spin loop.\n"); | |
16 | return 0; | |
17 | } | |
18 | ||
98cb0efd | 19 | printf("Core is entering spin loop.\n"); |
20 | loop: | |
21 | goto loop; | |
22 | ||
23 | return 0; | |
24 | } | |
25 | ||
47151e4b | 26 | static int do_esbc_validate(cmd_tbl_t *cmdtp, int flag, int argc, |
27 | char * const argv[]) | |
28 | { | |
bc71f926 | 29 | char *hash_str = NULL; |
b055a0fd | 30 | uintptr_t haddr; |
bc71f926 | 31 | int ret; |
85bb3896 SJ |
32 | uintptr_t img_addr = 0; |
33 | char buf[20]; | |
bc71f926 | 34 | |
47151e4b | 35 | if (argc < 2) |
36 | return cmd_usage(cmdtp); | |
bc71f926 AB |
37 | else if (argc > 2) |
38 | /* Second arg - Optional - Hash Str*/ | |
39 | hash_str = argv[2]; | |
40 | ||
41 | /* First argument - header address -32/64bit */ | |
b055a0fd | 42 | haddr = (uintptr_t)simple_strtoul(argv[1], NULL, 16); |
47151e4b | 43 | |
b055a0fd AB |
44 | /* With esbc_validate command, Image address must be |
45 | * part of header. So, the function is called | |
46 | * by passing this argument as 0. | |
47 | */ | |
85bb3896 SJ |
48 | ret = fsl_secboot_validate(haddr, hash_str, &img_addr); |
49 | ||
50 | /* Need to set "img_addr" even if validation failure. | |
51 | * Required when SB_EN in RCW set and non-fatal error | |
52 | * to continue U-Boot | |
53 | */ | |
54 | sprintf(buf, "%lx", img_addr); | |
382bee57 | 55 | env_set("img_addr", buf); |
85bb3896 | 56 | |
bc71f926 AB |
57 | if (ret) |
58 | return 1; | |
59 | ||
60 | printf("esbc_validate command successful\n"); | |
61 | return 0; | |
47151e4b | 62 | } |
63 | ||
64 | /***************************************************/ | |
65 | static char esbc_validate_help_text[] = | |
66 | "esbc_validate hdr_addr <hash_val> - Validates signature using\n" | |
67 | " RSA verification\n" | |
68 | " $hdr_addr Address of header of the image\n" | |
69 | " to be validated.\n" | |
70 | " $hash_val -Optional\n" | |
71 | " It provides Hash of public/srk key to be\n" | |
72 | " used to verify signature.\n"; | |
73 | ||
74 | U_BOOT_CMD( | |
75 | esbc_validate, 3, 0, do_esbc_validate, | |
76 | "Validates signature on a given image using RSA verification", | |
77 | esbc_validate_help_text | |
78 | ); | |
98cb0efd | 79 | |
80 | U_BOOT_CMD( | |
81 | esbc_halt, 1, 0, do_esbc_halt, | |
856b2846 | 82 | "Put the core in spin loop (Secure Boot Only)", |
98cb0efd | 83 | "" |
84 | ); |