arm-trusted-firmware

History

Zelalem Aweke 6c09af9f8b feat(rme): run BL2 in root world when FEAT_RME is enabled This patch enables BL2 to run in root world (EL3) which is needed as per the security model of RME-enabled systems. Using the existing BL2_AT_EL3 TF-A build option is not convenient because that option assumes TF-A BL1 doesn't exist, which is not the case for RME-enabled systems. For the purposes of RME, we use a normal BL1 image but we also want to run BL2 in EL3 as normally as possible, therefore rather than use the special bl2_entrypoint function in bl2_el3_entrypoint.S, we use a new bl2_entrypoint function (in bl2_rme_entrypoint.S) which doesn't need reset or mailbox initialization code seen in the el3_entrypoint_common macro. The patch also cleans up bl2_el3_entrypoint.S, moving the bl2_run_next_image function to its own file to avoid duplicating code. Signed-off-by: Zelalem Aweke <zelalem.aweke@arm.com> Change-Id: I99821b4cd550cadcb701f4c0c4dc36da81c7ef55		3 years ago
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bl2_arch_setup.c	correct some missing-prototype warnings	6 years ago
bl2_el3_entrypoint.S	feat(rme): run BL2 in root world when FEAT_RME is enabled	3 years ago
bl2_el3_exceptions.S	Sanitise includes across codebase	6 years ago
bl2_entrypoint.S	Avoid the use of linker *_SIZE__ macros	4 years ago
bl2_run_next_image.S	feat(rme): run BL2 in root world when FEAT_RME is enabled	3 years ago