1 /* SPDX-License-Identifier: BSD-2-Clause */
2 /*
3 * OP-TEE related definitions
4 *
5 * (C) Copyright 2016 Linaro Limited
6 * Andrew F. Davis <andrew.davis@linaro.org>
7 */
8
9 #ifndef _OPTEE_H
10 #define _OPTEE_H
11
12 #include <linux/errno.h>
13 #include <image.h>
14
15 #define OPTEE_MAGIC 0x4554504f
16 #define OPTEE_VERSION 1
17 #define OPTEE_ARCH_ARM32 0
18 #define OPTEE_ARCH_ARM64 1
19
20 struct optee_header {
21 uint32_t magic;
22 uint8_t version;
23 uint8_t arch;
24 uint16_t flags;
25 uint32_t init_size;
26 uint32_t init_load_addr_hi;
27 uint32_t init_load_addr_lo;
28 uint32_t init_mem_usage;
29 uint32_t paged_size;
30 };
31
32 static inline uint32_t
optee_image_get_entry_point(const struct image_header * hdr)33 optee_image_get_entry_point(const struct image_header *hdr)
34 {
35 struct optee_header *optee_hdr = (struct optee_header *)(hdr + 1);
36
37 return optee_hdr->init_load_addr_lo;
38 }
39
40 static inline uint32_t
optee_image_get_load_addr(const struct image_header * hdr)41 optee_image_get_load_addr(const struct image_header *hdr)
42 {
43 return optee_image_get_entry_point(hdr) - sizeof(struct optee_header);
44 }
45
46 #if defined(CONFIG_OPTEE)
47 int optee_verify_image(struct optee_header *hdr, unsigned long tzdram_start,
48 unsigned long tzdram_len, unsigned long image_len);
49 #else
optee_verify_image(struct optee_header * hdr,unsigned long tzdram_start,unsigned long tzdram_len,unsigned long image_len)50 static inline int optee_verify_image(struct optee_header *hdr,
51 unsigned long tzdram_start,
52 unsigned long tzdram_len,
53 unsigned long image_len)
54 {
55 return -EPERM;
56 }
57
58 #endif
59
60 #if defined(CONFIG_OPTEE)
61 int optee_verify_bootm_image(unsigned long image_addr,
62 unsigned long image_load_addr,
63 unsigned long image_len);
64 #else
optee_verify_bootm_image(unsigned long image_addr,unsigned long image_load_addr,unsigned long image_len)65 static inline int optee_verify_bootm_image(unsigned long image_addr,
66 unsigned long image_load_addr,
67 unsigned long image_len)
68 {
69 return -EPERM;
70 }
71 #endif
72
73 #if defined(CONFIG_OPTEE) && defined(CONFIG_OF_LIBFDT)
74 int optee_copy_fdt_nodes(const void *old_blob, void *new_blob);
75 #else
optee_copy_fdt_nodes(const void * old_blob,void * new_blob)76 static inline int optee_copy_fdt_nodes(const void *old_blob, void *new_blob)
77 {
78 return 0;
79 }
80 #endif
81
82 #endif /* _OPTEE_H */
83