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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
20struct 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
32static inline uint32_t
33optee_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
40static inline uint32_t
41optee_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)
47int optee_verify_image(struct optee_header *hdr, unsigned long tzdram_start,
48 unsigned long tzdram_len, unsigned long image_len);
49#else
50static 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)
61int optee_verify_bootm_image(unsigned long image_addr,
62 unsigned long image_load_addr,
63 unsigned long image_len);
64#else
65static 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)
74int optee_copy_fdt_nodes(const void *old_blob, void *new_blob);
75#else
76static inline int optee_copy_fdt_nodes(const void *old_blob, void *new_blob)
77{
78 return 0;
79}
80#endif
81
82#endif
83