《ARM技术及其应用》课程教学资源（文献资料）arm201903

B1.2RegistersinAArch64 B1.2.1 Registers in AArch64B1.2.2Process stateB1.2.3System registersARM032019/3/3

B1.2 Registers in AArch64 ARM03 2019/3/3 6  B1.2.1 Registers in AArch64  B1.2.2 Process state  B1.2.3 System registers

B1.2.1RegistersinAArch64RO-R3O SP PC口 VO-V31口 FPCR,FPSR口 ZRARM032019/3/3

B1.2.1 Registers in AArch64 ARM03 2019/3/3 7  R0-R30  SP  PC  V0-V31  FPCR, FPSR  ZR

RO-R3O□31GPRs Each registercan be accessed as64-bit GPR named X0 toX3032-bitGPRnamedWOtoW306332|310RnkWnXnFigureB1-1General-purposeregisternamingARMO32019/3/3

R0-R30 ARM03 2019/3/3 8  31 GPRs  Each register can be accessed as  64-bit GPR named X0 to X30  32-bit GPR named W0 to W30

RO-R7Call parameter and return result registersARM032019/3/3

R0-R7 ARM03 2019/3/3 9  Call parameter and return result registers

R810 Indirect call result location registerARM032019/3/3

R8 ARM03 2019/3/3 10  Indirect call result location register