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.odonog...@linaro.org>
Cc: Harinarayan Bhatta <harinara...@ti.com>
Cc: Andrew F. Davis <a...@ti.com>
Cc: Tom Rini <tr...@konsulko.com>
Cc: Kever Yang <kever.y...@rock-chips.com>
Cc: Philipp Tomsich <philipp.toms...@theobroma-systems.com>
Cc: Peng Fan <peng....@nxp.com>
Tested-by: Peng Fan <peng....@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);
--
2.7.4
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