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
14 #define OPTEE_MAGIC 0x4554504f
15 #define OPTEE_VERSION 1
16 #define OPTEE_ARCH_ARM32 0
17 #define OPTEE_ARCH_ARM64 1
18
19 struct optee_header {
20 uint32_t magic;
21 uint8_t version;
22 uint8_t arch;
23 uint16_t flags;
24 uint32_t init_size;
25 uint32_t init_load_addr_hi;
26 uint32_t init_load_addr_lo;
27 uint32_t init_mem_usage;
28 uint32_t paged_size;
29 };
30
optee_image_get_entry_point(const image_header_t * hdr)31 static inline uint32_t optee_image_get_entry_point(const image_header_t *hdr)
32 {
33 struct optee_header *optee_hdr = (struct optee_header *)(hdr + 1);
34
35 return optee_hdr->init_load_addr_lo;
36 }
37
optee_image_get_load_addr(const image_header_t * hdr)38 static inline uint32_t optee_image_get_load_addr(const image_header_t *hdr)
39 {
40 return optee_image_get_entry_point(hdr) - sizeof(struct optee_header);
41 }
42
43 #if defined(CONFIG_OPTEE)
44 int optee_verify_image(struct optee_header *hdr, unsigned long tzdram_start,
45 unsigned long tzdram_len, unsigned long image_len);
46 #else
optee_verify_image(struct optee_header * hdr,unsigned long tzdram_start,unsigned long tzdram_len,unsigned long image_len)47 static inline int optee_verify_image(struct optee_header *hdr,
48 unsigned long tzdram_start,
49 unsigned long tzdram_len,
50 unsigned long image_len)
51 {
52 return -EPERM;
53 }
54
55 #endif
56
57 #if defined(CONFIG_OPTEE)
58 int optee_verify_bootm_image(unsigned long image_addr,
59 unsigned long image_load_addr,
60 unsigned long image_len);
61 #else
optee_verify_bootm_image(unsigned long image_addr,unsigned long image_load_addr,unsigned long image_len)62 static inline int optee_verify_bootm_image(unsigned long image_addr,
63 unsigned long image_load_addr,
64 unsigned long image_len)
65 {
66 return -EPERM;
67 }
68 #endif
69
70 #if defined(CONFIG_OPTEE) && defined(CONFIG_OF_LIBFDT)
71 int optee_copy_fdt_nodes(const void *old_blob, void *new_blob);
72 #else
optee_copy_fdt_nodes(const void * old_blob,void * new_blob)73 static inline int optee_copy_fdt_nodes(const void *old_blob, void *new_blob)
74 {
75 return 0;
76 }
77 #endif
78
79 #endif /* _OPTEE_H */
80