CP15, control co-processor 의 역할은 processor 의 control과 status 를 관리
주요 기능
ㅇ overall system control and configuration
ㅇ optional cache configuration and management
ㅇ optional Tightly-Coupled Memory(TCM) configuration and management
ㅇ optional Memory Protection Unit(MPU) configuration and management
ㅇ debug accesses to the caches
ㅇ system performance monitoring
참조:
http://infocenter.arm.com/help/index.jsp?topic=/com.arm.doc.ddi0290g/I1003230.html
Coprocessor 의 register load/store 에 관한 블로그