ESR_ELx_CP15_64_ISS_RT_SHIFT 295 arch/arm64/include/asm/esr.h #define ESR_ELx_CP15_64_ISS_RT_MASK (UL(0x1f) << ESR_ELx_CP15_64_ISS_RT_SHIFT) ESR_ELx_CP15_64_ISS_RT_SHIFT 661 arch/arm64/kernel/traps.c int rt = (esr & ESR_ELx_CP15_64_ISS_RT_MASK) >> ESR_ELx_CP15_64_ISS_RT_SHIFT;