HelenOS sources

PMCR_IDCODE_SHIFT  565 boot/arch/arm32/include/arch/cp15.h 	PMCR_IDCODE_SHIFT = 16,
PMCR_IDCODE_SHIFT  565 kernel/arch/arm32/include/arch/cp15.h 	PMCR_IDCODE_SHIFT = 16,
PMCR_IDCODE_SHIFT  565 uspace/lib/c/arch/arm32/include/libarch/cp15.h 	PMCR_IDCODE_SHIFT = 16,
HelenOS homepage, sources at GitHub