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- /* SPDX-License-Identifier: BSD-2-Clause */
- /*
- * OP-TEE related definitions
- *
- * (C) Copyright 2016 Linaro Limited
- * Andrew F. Davis <andrew.davis@linaro.org>
- */
- #ifndef _OPTEE_H
- #define _OPTEE_H
- #include <linux/errno.h>
- #include <image.h>
- #define OPTEE_MAGIC 0x4554504f
- #define OPTEE_VERSION 1
- #define OPTEE_ARCH_ARM32 0
- #define OPTEE_ARCH_ARM64 1
- struct optee_header {
- uint32_t magic;
- uint8_t version;
- uint8_t arch;
- uint16_t flags;
- uint32_t init_size;
- uint32_t init_load_addr_hi;
- uint32_t init_load_addr_lo;
- uint32_t init_mem_usage;
- uint32_t paged_size;
- };
- static inline uint32_t
- optee_image_get_entry_point(const struct image_header *hdr)
- {
- struct optee_header *optee_hdr = (struct optee_header *)(hdr + 1);
- return optee_hdr->init_load_addr_lo;
- }
- static inline uint32_t
- optee_image_get_load_addr(const struct image_header *hdr)
- {
- return optee_image_get_entry_point(hdr) - sizeof(struct optee_header);
- }
- #if defined(CONFIG_OPTEE)
- int optee_verify_image(struct optee_header *hdr, unsigned long tzdram_start,
- unsigned long tzdram_len, unsigned long image_len);
- #else
- static inline int optee_verify_image(struct optee_header *hdr,
- unsigned long tzdram_start,
- unsigned long tzdram_len,
- unsigned long image_len)
- {
- return -EPERM;
- }
- #endif
- #if defined(CONFIG_OPTEE)
- int optee_verify_bootm_image(unsigned long image_addr,
- unsigned long image_load_addr,
- unsigned long image_len);
- #else
- static inline int optee_verify_bootm_image(unsigned long image_addr,
- unsigned long image_load_addr,
- unsigned long image_len)
- {
- return -EPERM;
- }
- #endif
- #if defined(CONFIG_OPTEE) && defined(CONFIG_OF_LIBFDT)
- int optee_copy_fdt_nodes(const void *old_blob, void *new_blob);
- #else
- static inline int optee_copy_fdt_nodes(const void *old_blob, void *new_blob)
- {
- return 0;
- }
- #endif
- #endif /* _OPTEE_H */
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