Dne nedelja, 23. marec 2025 ob 12:35:36 Srednjeevropski standardni čas je Andre Przywara napisal(a): > Because the Allwinner BootROM always runs in AArch32, even on ARMv8 SoCs, > we need to switch to AArch64 first, but also need to save the CPU state, > when we later may need to return to the BootROM, for continuing with the > FEL USB protocol. This is done in 32-bit code, which we include into the > AArch64 boot assembly file as a series of .word directives, containing > the encoded AArch32 instructions. To be able to change and verify that > code, we also kept an assembly file with the respective 32-bit code, but > just for reference. > > As this code is never compiled or assembled - it's just for > documentation - it became stale over time: we didn't really update this > along with the changes we made to the boot code. In particular the FEL > save code was completely missing. > > Update that 32-bit assembly file, to match the current version used in > boot0.h, including the FEL save routine. Also update the build > instructions in the comments, to give people an actual chance to > assemble this code. > > Signed-off-by: Andre Przywara <andre.przyw...@arm.com>
Acked-by: Jernej Skrabec <jernej.skra...@gmail.com> Best regards, Jernej
