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/optee_os/core/arch/arm/include/
H A Dffa.h280b6a32e6b171c505e1be13203de6b872d45979 Thu Jun 01 08:24:30 UTC 2023 Imre Kis <imre.kis@arm.com> core: spmc: implement FFA_CONSOLE_LOG

Add FFA_CONSOLE_LOG interface support for enabling debug messages from
SPs as defined in FF-A v1.2. The message string is packed into the
registers of the call so it doesn't require the existence of a shared
memory between the SPMC and the SPs. This makes it ideal for early debug
messages, however the length of the message is limited.
The received messages are forwarded to OP-TEE's trace output.

Signed-off-by: Imre Kis <imre.kis@arm.com>
Reviewed-by: Jens Wiklander <jens.wiklander@linaro.org>
Acked-by: Etienne Carriere <etienne.carriere@foss.st.com>
/optee_os/core/arch/arm/kernel/
H A Dspmc_sp_handler.c280b6a32e6b171c505e1be13203de6b872d45979 Thu Jun 01 08:24:30 UTC 2023 Imre Kis <imre.kis@arm.com> core: spmc: implement FFA_CONSOLE_LOG

Add FFA_CONSOLE_LOG interface support for enabling debug messages from
SPs as defined in FF-A v1.2. The message string is packed into the
registers of the call so it doesn't require the existence of a shared
memory between the SPMC and the SPs. This makes it ideal for early debug
messages, however the length of the message is limited.
The received messages are forwarded to OP-TEE's trace output.

Signed-off-by: Imre Kis <imre.kis@arm.com>
Reviewed-by: Jens Wiklander <jens.wiklander@linaro.org>
Acked-by: Etienne Carriere <etienne.carriere@foss.st.com>