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authorAbhishek Shah <abhishek.shah@broadcom.com>2020-07-15 22:48:59 +0530
committerTom Rini <trini@konsulko.com>2020-07-29 10:13:41 -0400
commitef7192e4043d7724f0d063072092e00150fb1f5e (patch)
tree8a70244805bc5075d35fd98cf45b9f5cad7b38e0 /.gitattributes
parent69d8acc30ba05dd5d5bc7a874f99ed254eb17d33 (diff)
board: ns3: add api to save boot parameters passed from BL31
Add API to save boot parameters passed from BL31 Use assembly implementation of save_boot_params instead of c function. Because generally ATF does not set up SP_EL2 on exiting. Thus, usage of a C function immediately after exiting with no stack setup done by ATF explicitly, may cause SP_EL2 to be not sane, which in turn causes a crash if this boot was not lucky to get an SP_EL2 in valid range. Replace C implementation with assembly one which does not use stack this early, and let u-boot to set up its stack later. Signed-off-by: Abhishek Shah <abhishek.shah@broadcom.com> Signed-off-by: Rajesh Ravi <rajesh.ravi@broadcom.com> Signed-off-by: Vladimir Olovyannikov <vladimir.olovyannikov@broadcom.com> Signed-off-by: Rayagonda Kokatanur <rayagonda.kokatanur@broadcom.com> Reviewed-by: Simon Glass <sjg@chromium.org>
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