Cortex-A53 switching from EL2 to EL1

Hi, I trying to switch from EL2 to EL1 on Cortex-A53. But it doesn't work. Here is my current startup code: #include <asm.h> IMPORT_ASM(_cpu_el3_vec_tbl_set) IMPORT_ASM(_cpu_el2_vec_tbl_set...
Cortex-A53 switching from EL2 to EL1

Hi, I trying to switch from EL2 to EL1 on Cortex-A53. But it doesn't work. Here is my current startup code: #include <asm.h> IMPORT_ASM(_cpu_el3_vec_tbl_set) IMPORT_ASM(_cpu_el2_vec_tbl_set...
Bare metal - EL2 to EL1 - SP behaviour

Hi, I have written two bare-metal programs to run on EL2 and EL1 on Raspberry Pi 3B. The board is boot loaded with U-Boot. The EL2 binary is loaded at 0x1000000. The EL1 binary is loaded at 0x3000000...
How interrupts are routed in EL3/EL2/EL1 mode

Sorry for basic question, For ARM64, we have different interrupt vector table for each mode EL3/EL2/EL1 I am wondering, how a specific IRQ is routed to given mode. in GIC, I am not able to find...
How interrupts are routed in EL3/EL2/EL1 mode

Sorry for basic question, For ARM64, we have different interrupt vector table for each mode EL3/EL2/EL1 I am wondering, how a specific IRQ is routed to given mode. in GIC, I am not able to find...