CTR_ERG_SHIFT 81 boot/arch/arm32/include/arch/cp15.h CTR_ERG_SHIFT = 20, CTR_ERG_SHIFT 81 kernel/arch/arm32/include/arch/cp15.h CTR_ERG_SHIFT = 20, CTR_ERG_SHIFT 81 uspace/lib/c/arch/arm32/include/libarch/cp15.h CTR_ERG_SHIFT = 20,HelenOS homepage, sources at GitHub