I have been trying an rpi3 Exception level tutorial from https://github.com/bztsrc/raspi3-tutori ... tionlevel/ .
But some how in the the assembly code start.S switching from El level 2 to El level 1 does not work and results in no serial output in Minicom
And wen i print my current El it gives me 00000003.
in specific the following code is causing me an error
Code: Select all
mov x2, #0x3c4 msr spsr_el2, x2 adr x2, 5f msr elr_el2, x2 eret