RM的中斷函數(shù)是在startup code中定義的，在CODE區(qū)分配中斷向量表時，及將中斷函數(shù)定義出了

;VectorTableMappedtoAddress0atReset

AREARESET,DATA,READONLY

EXPORT__Vectors

__VectorsDCD__initial_sp;TopofStack

DCDReset_Handler;ResetHandler

DCDNMI_Handler;NMIHandler

DCDHardFault_Handler;HardFaultHandler

DCD0;Reserved

DCD0;Reserved

DCD0;Reserved

DCD0;Reserved

DCD0;Reserved

DCD0;Reserved

DCD0;Reserved

DCDSVC_Handler;SVCallHandler

DCD0;Reserved

DCD0;Reserved

DCDPendSV_Handler;PendSVHandler

DCDSysTick_Handler;SysTickHandler

;ExternalInterrupts

DCDGPIO0_IRQHandler;GPIOP0Interrupt

DCDGPIO1_IRQHandler;GPIOP1Interrupt

DCDGPIO2_IRQHandler;GPIOP2Interrupt

DCDGPIO3_IRQHandler;GPIOP3Interrupt

DCDGPIO4_IRQHandler;GPIOP4Interrupt

DCDCP_IRQHandler;Capture/PWM

DCDADC_IRQHandler;A/DConverter

DCDReserved_IRQHandler;Reserved

DCDReserved_IRQHandler;Reserved

DCDReserved_IRQHandler;Reserved

DCDReserved_IRQHandler;Reserved

DCDReserved_IRQHandler;Reserved

DCDReserved_IRQHandler;Reserved

DCDReserved_IRQHandler;Reserved

DCDReserved_IRQHandler;Reserved

DCDUART0_IRQHandler;UART0

DCDUART1_IRQHandler;UART1

DCDUART2_IRQHandler;UART2

DCDUART3_IRQHandler;UART3

DCDTIMER0_IRQHandler;Timer0

DCD TIMER1_IRQHandler ; Timer1