1 /* 2 * OP-TEE related definitions 3 * 4 * (C) Copyright 2016 Linaro Limited 5 * Andrew F. Davis <andrew.davis@linaro.org> 6 * 7 * SPDX-License-Identifier: BSD-2-Clause 8 */ 9 10 #ifndef _OPTEE_H 11 #define _OPTEE_H 12 13 #include <linux/errno.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 image_header_t *hdr) 33 { 34 struct optee_header *optee_hdr = (struct optee_header *)(hdr + 1); 35 36 return optee_hdr->init_load_addr_lo; 37 } 38 39 static inline uint32_t optee_image_get_load_addr(const image_header_t *hdr) 40 { 41 return optee_image_get_entry_point(hdr) - sizeof(struct optee_header); 42 } 43 44 #if defined(CONFIG_OPTEE) 45 int optee_verify_image(struct optee_header *hdr, unsigned long tzdram_start, 46 unsigned long tzdram_len, unsigned long image_len); 47 #else 48 static inline int optee_verify_image(struct optee_header *hdr, 49 unsigned long tzdram_start, 50 unsigned long tzdram_len, 51 unsigned long image_len) 52 { 53 return -EPERM; 54 } 55 56 #endif 57 58 #if defined(CONFIG_OPTEE) 59 int optee_verify_bootm_image(unsigned long image_addr, 60 unsigned long image_load_addr, 61 unsigned long image_len); 62 #else 63 static inline int optee_verify_bootm_image(unsigned long image_addr, 64 unsigned long image_load_addr, 65 unsigned long image_len) 66 { 67 return -EPERM; 68 } 69 #endif 70 71 #endif /* _OPTEE_H */ 72