diff options
Diffstat (limited to 'include/tee/optee.h')
| -rw-r--r-- | include/tee/optee.h | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/include/tee/optee.h b/include/tee/optee.h new file mode 100644 index 0000000..9446928 --- /dev/null +++ b/include/tee/optee.h @@ -0,0 +1,70 @@ +/* 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> + +#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 image_header_t *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 image_header_t *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 + +#endif /* _OPTEE_H */ |