1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
|
/*
* Copyright (C) 2012-2015 Freescale Semiconductor, Inc. All Rights Reserved.
*
* SPDX-License-Identifier: GPL-2.0+
*
*/
#ifndef __SECURE_MX6Q_H__
#define __SECURE_MX6Q_H__
#include <linux/types.h>
/*
* IVT header definitions
* Security Reference Manual for i.MX 7Dual and 7Solo Applications Processors,
* Rev. 0, 03/2017
* Section : 6.7.1.1
*/
#define IVT_HEADER_MAGIC 0xD1
#define IVT_TOTAL_LENGTH 0x20
#define IVT_HEADER_V1 0x40
#define IVT_HEADER_V2 0x41
struct ivt_header {
uint8_t magic;
uint16_t length;
uint8_t version;
} __attribute__((packed));
struct ivt {
struct ivt_header hdr; /* IVT header above */
uint32_t entry; /* Absolute address of first instruction */
uint32_t reserved1; /* Reserved should be zero */
uint32_t dcd; /* Absolute address of the image DCD */
uint32_t boot; /* Absolute address of the boot data */
uint32_t self; /* Absolute address of the IVT */
uint32_t csf; /* Absolute address of the CSF */
uint32_t reserved2; /* Reserved should be zero */
};
struct __packed hab_hdr {
u8 tag; /* Tag field */
u8 len[2]; /* Length field in bytes (big-endian) */
u8 par; /* Parameters field */
};
/* -------- start of HAB API updates ------------*/
/* The following are taken from HAB4 SIS */
/* Status definitions */
enum hab_status {
HAB_STS_ANY = 0x00,
HAB_FAILURE = 0x33,
HAB_WARNING = 0x69,
HAB_SUCCESS = 0xf0
};
/* Security Configuration definitions */
enum hab_config {
HAB_CFG_RETURN = 0x33, /* < Field Return IC */
HAB_CFG_OPEN = 0xf0, /* < Non-secure IC */
HAB_CFG_CLOSED = 0xcc /* < Secure IC */
};
/* State definitions */
enum hab_state {
HAB_STATE_INITIAL = 0x33, /* Initialising state (transitory) */
HAB_STATE_CHECK = 0x55, /* Check state (non-secure) */
HAB_STATE_NONSECURE = 0x66, /* Non-secure state */
HAB_STATE_TRUSTED = 0x99, /* Trusted state */
HAB_STATE_SECURE = 0xaa, /* Secure state */
HAB_STATE_FAIL_SOFT = 0xcc, /* Soft fail state */
HAB_STATE_FAIL_HARD = 0xff, /* Hard fail state (terminal) */
HAB_STATE_NONE = 0xf0, /* No security state machine */
HAB_STATE_MAX
};
enum hab_reason {
HAB_RSN_ANY = 0x00, /* Match any reason */
HAB_ENG_FAIL = 0x30, /* Engine failure */
HAB_INV_ADDRESS = 0x22, /* Invalid address: access denied */
HAB_INV_ASSERTION = 0x0c, /* Invalid assertion */
HAB_INV_CALL = 0x28, /* Function called out of sequence */
HAB_INV_CERTIFICATE = 0x21, /* Invalid certificate */
HAB_INV_COMMAND = 0x06, /* Invalid command: command malformed */
HAB_INV_CSF = 0x11, /* Invalid csf */
HAB_INV_DCD = 0x27, /* Invalid dcd */
HAB_INV_INDEX = 0x0f, /* Invalid index: access denied */
HAB_INV_IVT = 0x05, /* Invalid ivt */
HAB_INV_KEY = 0x1d, /* Invalid key */
HAB_INV_RETURN = 0x1e, /* Failed callback function */
HAB_INV_SIGNATURE = 0x18, /* Invalid signature */
HAB_INV_SIZE = 0x17, /* Invalid data size */
HAB_MEM_FAIL = 0x2e, /* Memory failure */
HAB_OVR_COUNT = 0x2b, /* Expired poll count */
HAB_OVR_STORAGE = 0x2d, /* Exhausted storage region */
HAB_UNS_ALGORITHM = 0x12, /* Unsupported algorithm */
HAB_UNS_COMMAND = 0x03, /* Unsupported command */
HAB_UNS_ENGINE = 0x0a, /* Unsupported engine */
HAB_UNS_ITEM = 0x24, /* Unsupported configuration item */
HAB_UNS_KEY = 0x1b, /* Unsupported key type/parameters */
HAB_UNS_PROTOCOL = 0x14, /* Unsupported protocol */
HAB_UNS_STATE = 0x09, /* Unsuitable state */
HAB_RSN_MAX
};
enum hab_context {
HAB_CTX_ANY = 0x00, /* Match any context */
HAB_CTX_FAB = 0xff, /* Event logged in hab_fab_test() */
HAB_CTX_ENTRY = 0xe1, /* Event logged in hab_rvt.entry() */
HAB_CTX_TARGET = 0x33, /* Event logged in hab_rvt.check_target() */
HAB_CTX_AUTHENTICATE = 0x0a,/* Logged in hab_rvt.authenticate_image() */
HAB_CTX_DCD = 0xdd, /* Event logged in hab_rvt.run_dcd() */
HAB_CTX_CSF = 0xcf, /* Event logged in hab_rvt.run_csf() */
HAB_CTX_COMMAND = 0xc0, /* Event logged executing csf/dcd command */
HAB_CTX_AUT_DAT = 0xdb, /* Authenticated data block */
HAB_CTX_ASSERT = 0xa0, /* Event logged in hab_rvt.assert() */
HAB_CTX_EXIT = 0xee, /* Event logged in hab_rvt.exit() */
HAB_CTX_MAX
};
enum hab_target {
HAB_TGT_MEMORY = 0x0f,
HAB_TGT_PERIPHERAL = 0xf0,
HAB_TGT_ANY = 0x55,
};
struct imx_sec_config_fuse_t {
int bank;
int word;
};
#if defined(CONFIG_SECURE_BOOT)
extern struct imx_sec_config_fuse_t const imx_sec_config_fuse;
#endif
/*Function prototype description*/
typedef enum hab_status hab_rvt_report_event_t(enum hab_status, uint32_t,
uint8_t* , size_t*);
typedef enum hab_status hab_rvt_report_status_t(enum hab_config *,
enum hab_state *);
typedef enum hab_status hab_loader_callback_f_t(void**, size_t*, const void*);
typedef enum hab_status hab_rvt_entry_t(void);
typedef enum hab_status hab_rvt_exit_t(void);
typedef void *hab_rvt_authenticate_image_t(uint8_t, ptrdiff_t,
void **, size_t *, hab_loader_callback_f_t);
typedef enum hab_status hab_rvt_check_target_t(enum hab_target, const void *,
size_t);
typedef void hab_rvt_failsafe_t(void);
typedef void hapi_clock_init_t(void);
#define HAB_ENG_ANY 0x00 /* Select first compatible engine */
#define HAB_ENG_SCC 0x03 /* Security controller */
#define HAB_ENG_RTIC 0x05 /* Run-time integrity checker */
#define HAB_ENG_SAHARA 0x06 /* Crypto accelerator */
#define HAB_ENG_CSU 0x0a /* Central Security Unit */
#define HAB_ENG_SRTC 0x0c /* Secure clock */
#define HAB_ENG_DCP 0x1b /* Data Co-Processor */
#define HAB_ENG_CAAM 0x1d /* CAAM */
#define HAB_ENG_SNVS 0x1e /* Secure Non-Volatile Storage */
#define HAB_ENG_OCOTP 0x21 /* Fuse controller */
#define HAB_ENG_DTCP 0x22 /* DTCP co-processor */
#define HAB_ENG_ROM 0x36 /* Protected ROM area */
#define HAB_ENG_HDCP 0x24 /* HDCP co-processor */
#define HAB_ENG_RTL 0x77 /* RTL simulation engine */
#define HAB_ENG_SW 0xff /* Software engine */
#ifdef CONFIG_ROM_UNIFIED_SECTIONS
#define HAB_RVT_BASE 0x00000100
#else
#define HAB_RVT_BASE 0x00000094
#endif
#define HAB_RVT_ENTRY (*(uint32_t *)(HAB_RVT_BASE + 0x04))
#define HAB_RVT_EXIT (*(uint32_t *)(HAB_RVT_BASE + 0x08))
#define HAB_RVT_CHECK_TARGET (*(uint32_t *)(HAB_RVT_BASE + 0x0C))
#define HAB_RVT_AUTHENTICATE_IMAGE (*(uint32_t *)(HAB_RVT_BASE + 0x10))
#define HAB_RVT_REPORT_EVENT (*(uint32_t *)(HAB_RVT_BASE + 0x20))
#define HAB_RVT_REPORT_STATUS (*(uint32_t *)(HAB_RVT_BASE + 0x24))
#define HAB_RVT_FAILSAFE (*(uint32_t *)(HAB_RVT_BASE + 0x28))
#define HAB_RVT_REPORT_EVENT_NEW (*(uint32_t *)0x000000B8)
#define HAB_RVT_REPORT_STATUS_NEW (*(uint32_t *)0x000000BC)
#define HAB_RVT_AUTHENTICATE_IMAGE_NEW (*(uint32_t *)0x000000A8)
#define HAB_RVT_ENTRY_NEW (*(uint32_t *)0x0000009C)
#define HAB_RVT_EXIT_NEW (*(uint32_t *)0x000000A0)
#define HAB_CID_ROM 0 /**< ROM Caller ID */
#define HAB_CID_UBOOT 1 /**< UBOOT Caller ID*/
#define HAB_CMD_HDR 0xD4 /* CSF Header */
#define HAB_CMD_WRT_DAT 0xCC /* Write Data command tag */
#define HAB_CMD_CHK_DAT 0xCF /* Check Data command tag */
#define HAB_CMD_SET 0xB1 /* Set command tag */
#define HAB_PAR_MID 0x01 /* MID parameter value */
#define IVT_SIZE 0x20
#define CSF_PAD_SIZE 0x2000
/* ----------- end of HAB API updates ------------*/
int imx_hab_authenticate_image(uint32_t ddr_start, uint32_t image_size,
uint32_t ivt_offset);
bool imx_hab_is_enabled(void);
#endif
|
