ESR_ELx_CP15_32_ISS_RT_SHIFT 269 arch/arm64/include/asm/esr.h #define ESR_ELx_CP15_32_ISS_RT_MASK (UL(0x1f) << ESR_ELx_CP15_32_ISS_RT_SHIFT) ESR_ELx_CP15_32_ISS_RT_SHIFT 644 arch/arm64/kernel/traps.c int reg = (esr & ESR_ELx_CP15_32_ISS_RT_MASK) >> ESR_ELx_CP15_32_ISS_RT_SHIFT;