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c5a6e8bd00
This patch adds optee_verify_bootm_image() which will be subsequently used to verify the parameters encoded in the OPTEE header match the memory allocated to the OPTEE region, OPTEE header magic and version prior to handing off control to the OPTEE image. Signed-off-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org> Cc: Harinarayan Bhatta <harinarayan@ti.com> Cc: Andrew F. Davis <afd@ti.com> Cc: Tom Rini <trini@konsulko.com> Cc: Kever Yang <kever.yang@rock-chips.com> Cc: Philipp Tomsich <philipp.tomsich@theobroma-systems.com> Cc: Peng Fan <peng.fan@nxp.com>
72 lines
1.6 KiB
C
72 lines
1.6 KiB
C
/*
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* OP-TEE related definitions
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*
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* (C) Copyright 2016 Linaro Limited
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* Andrew F. Davis <andrew.davis@linaro.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#ifndef _OPTEE_H
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#define _OPTEE_H
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#include <linux/errno.h>
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#define OPTEE_MAGIC 0x4554504f
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#define OPTEE_VERSION 1
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#define OPTEE_ARCH_ARM32 0
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#define OPTEE_ARCH_ARM64 1
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struct optee_header {
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uint32_t magic;
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uint8_t version;
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uint8_t arch;
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uint16_t flags;
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uint32_t init_size;
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uint32_t init_load_addr_hi;
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uint32_t init_load_addr_lo;
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uint32_t init_mem_usage;
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uint32_t paged_size;
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};
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static inline uint32_t optee_image_get_entry_point(const image_header_t *hdr)
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{
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struct optee_header *optee_hdr = (struct optee_header *)(hdr + 1);
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return optee_hdr->init_load_addr_lo;
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}
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static inline uint32_t optee_image_get_load_addr(const image_header_t *hdr)
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{
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return optee_image_get_entry_point(hdr) - sizeof(struct optee_header);
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}
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#if defined(CONFIG_OPTEE)
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int optee_verify_image(struct optee_header *hdr, unsigned long tzdram_start,
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unsigned long tzdram_len, unsigned long image_len);
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#else
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static inline int optee_verify_image(struct optee_header *hdr,
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unsigned long tzdram_start,
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unsigned long tzdram_len,
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unsigned long image_len)
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{
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return -EPERM;
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}
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#endif
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#if defined(CONFIG_OPTEE)
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int optee_verify_bootm_image(unsigned long image_addr,
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unsigned long image_load_addr,
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unsigned long image_len);
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#else
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static inline int optee_verify_bootm_image(unsigned long image_addr,
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unsigned long image_load_addr,
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unsigned long image_len)
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{
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return -EPERM;
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}
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#endif
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#endif /* _OPTEE_H */
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