Dne nedelja, 23. marec 2025 ob 12:35:38 Srednjeevropski standardni čas je Andre Przywara napisal(a): > Thanks for Jernej's JTAG debugging effort, it turns out that the BROM > expects SP_IRQ to be saved and restored, when we want to enter back into > FEL after the SPL's AArch64 stint. > Save and restore SP_IRQ as part of the FEL state handling. The banked > MRS/MSR access to SP_IRQ, without actually being in IRQ mode, was > introduced with the ARMv7 virtualisation extensions. The Arm Cortex-A8 > cores used in the A10/A13s or older F1C100s SoCs would not support that, > but this code here is purely in the ARMv8/AArch64 code path, so it's > safe to use unconditionally. > > Reported-by: Jernej Skrabec <jernej.skra...@gmail.com> > Signed-off-by: Andre Przywara <andre.przyw...@arm.com>
I have sneaky suspicion that this is already the issue on H616, but I haven't yet confirmed. FWIW: Reviewed-by: Jernej Skrabec <jernej.skra...@gmail.com> Best regards, Jernej
