LXR uboot/include/tee/optee.h

   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
  19struct 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
  31static 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
  38static 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)
  44int optee_verify_image(struct optee_header *hdr, unsigned long tzdram_start,
  45                       unsigned long tzdram_len, unsigned long image_len);
  46#else
  47static 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)
  58int optee_verify_bootm_image(unsigned long image_addr,
  59                             unsigned long image_load_addr,
  60                             unsigned long image_len);
  61#else
  62static 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)
  71int optee_copy_fdt_nodes(const void *old_blob, void *new_blob);
  72#else
  73static 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