Add a helper function for extracting the least significant 32 bits from the OPTEE entry point address, which will be good enough to load OPTEE binaries up to (2^32)-1 bytes.
We may need to extend this out later on but for now (2^32)-1 should be fine.
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 Tested-by: Peng Fan peng.fan@nxp.com --- include/tee/optee.h | 7 +++++++ 1 file changed, 7 insertions(+)
diff --git a/include/tee/optee.h b/include/tee/optee.h index 8943afb..eb328d3 100644 --- a/include/tee/optee.h +++ b/include/tee/optee.h @@ -29,6 +29,13 @@ struct optee_header { 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; +} + #if defined(CONFIG_OPTEE) int optee_verify_image(struct optee_header *hdr, unsigned long tzdram_start, unsigned long tzdram_len, unsigned long image_len);