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#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 /* _OPTEE_H */
  83