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/* * Copyright (C) 2017 Linaro * Bryan O'Donoghue <bryan.odonoghue@linaro.org> * * SPDX-License-Identifier: GPL-2.0+ */ #include <common.h> #include <tee/optee.h> int optee_verify_image(struct optee_header *hdr, unsigned long tzdram_start, unsigned long tzdram_len, unsigned long image_len) { unsigned long tzdram_end = tzdram_start + tzdram_len; uint32_t tee_file_size; tee_file_size = hdr->init_size + hdr->paged_size + sizeof(struct optee_header); if (hdr->magic != OPTEE_MAGIC || hdr->version != OPTEE_VERSION || hdr->init_load_addr_hi > tzdram_end || hdr->init_load_addr_lo < tzdram_start || tee_file_size > tzdram_len || tee_file_size != image_len || (hdr->init_load_addr_lo + tee_file_size) > tzdram_end) { return -EINVAL; } return 0; }