• Armv8-A A55 baremetal boot exception level from EL1 to EL0
    I was studying the A55 baremetal boot. I changed the execution level from EL3 to EL2 then to EL1 can work very well,but EL1 can not change to EL0.I use the spsr_eln and elr_eln register with the instrcuction...
  • can i get cpu run state aarch64 or aarch32 fo cortex a57?
    i wang to get cpu run state aarch64 or aarch32? is there ang regisister can ?cpu is cortex a57 series
  • can i get cpu run state aarch64 or aarch32 fo cortex a57?
    i wang to get cpu run state aarch64 or aarch32? is there ang regisister can ?cpu is cortex a57 series
  • Is it possible to move up from EL0 AARCH32 to EL1 AARCH64
    In baremetal boot code implementation https://developer.arm.com/documentation/dai0527/a , it is explained that depending on the SOC implementation, if the ARMv8 comes out on reset as EL3, AArch64 configuration...
  • Is it possible to move up from EL0 AARCH32 to EL1 AARCH64
    In baremetal boot code implementation https://developer.arm.com/documentation/dai0527/a , it is explained that depending on the SOC implementation, if the ARMv8 comes out on reset as EL3, AArch64 configuration...