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| /optee_os/core/arch/arm/kernel/ |
| H A D | entry_a64.S | f1f431c7a92671b4fa397976d381cc5ad8adacc4 Mon Nov 21 17:17:33 UTC 2022 Jens Wiklander <jens.wiklander@linaro.org> core: arm: S-EL1 SPMC: boot ABI update
Updates the boot ABI for S-EL1 SPMC to align better with other SPMCs,
like Hafnium, but also with the non-FF-A configuration.
Register usage:
X0 - TOS FW config [1] address, if not NULL
X2 - System DTB, if not NULL
Adds check in the default get_aslr_seed() to see if the system DTB is
present before trying to read kaslr-seed from secure-chosen.
Note that this is an incompatible change and requires corresponding
change in TF-A ("feat(qemu): update abi between spmd and spmc") [2].
[1] A TF-A concept: TOS_FW_CONFIG - Trusted OS Firmware configuration
file. Used by Trusted OS (BL32), that is, OP-TEE in this case
Link: [2] https://git.trustedfirmware.org/TF-A/trusted-firmware-a.git/commit/?id=25ae7ad1878244f78206cc7c91f7bdbd267331a1
Acked-by: Etienne Carriere <etienne.carriere@linaro.org>
Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>
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| H A D | boot.c | f1f431c7a92671b4fa397976d381cc5ad8adacc4 Mon Nov 21 17:17:33 UTC 2022 Jens Wiklander <jens.wiklander@linaro.org> core: arm: S-EL1 SPMC: boot ABI update
Updates the boot ABI for S-EL1 SPMC to align better with other SPMCs,
like Hafnium, but also with the non-FF-A configuration.
Register usage:
X0 - TOS FW config [1] address, if not NULL
X2 - System DTB, if not NULL
Adds check in the default get_aslr_seed() to see if the system DTB is
present before trying to read kaslr-seed from secure-chosen.
Note that this is an incompatible change and requires corresponding
change in TF-A ("feat(qemu): update abi between spmd and spmc") [2].
[1] A TF-A concept: TOS_FW_CONFIG - Trusted OS Firmware configuration
file. Used by Trusted OS (BL32), that is, OP-TEE in this case
Link: [2] https://git.trustedfirmware.org/TF-A/trusted-firmware-a.git/commit/?id=25ae7ad1878244f78206cc7c91f7bdbd267331a1
Acked-by: Etienne Carriere <etienne.carriere@linaro.org>
Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>
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