optee: Add optee_image_get_load_addr()

This patch adds optee_image_get_load_addr() a helper function used to
calculate the load-address of an OPTEE image based on the lower
entry-point address given in the OPTEE header.

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>

diff --git a/include/tee/optee.h b/include/tee/optee.h
index eb328d3cc65a4a5080458e32ae43639ee45a2a04..e782cb0e0ed706217ef021a987fba442fc4848c3 100644 (file)
--- a/include/tee/optee.h
+++ b/include/tee/optee.h
@@ -36,6 +36,11 @@ static inline uint32_t optee_image_get_entry_point(const image_header_t *hdr)
        return optee_hdr->init_load_addr_lo;
 }
 
+static inline uint32_t optee_image_get_load_addr(const image_header_t *hdr)
+{
+       return optee_image_get_entry_point(hdr) - sizeof(struct optee_header);
+}
+
 #if defined(CONFIG_OPTEE)
 int optee_verify_image(struct optee_header *hdr, unsigned long tzdram_start,
                       unsigned long tzdram_len, unsigned long image_len);