73x_vect.s
来自「最新版IAR FOR ARM（EWARM）5.11中的代码例子」· S 代码 · 共 1,404 行 · 第 1/4 页
S
1,404 行
;*******************************************************************************
;* Function Name : FIQHandler
;* Description : This function is called when FIQ
; exception is entered.
;* Input : none
;* Output : none
;*******************************************************************************
FIQHandler
SUB lr,lr,#4 ; Update the link register.
SaveContext r0,r7 ; Save the workspace plus the current
; return address lr_ fiq and spsr_fiq.
ldr r0, =FIQ_Handler
ldr lr,=FIQ_Handler_end
bx r0 ; Branch to FIQ_Handler.
FIQ_Handler_end:
RestoreContext r0,r7 ; Restore the context and return to the...
; ...program execution.
;*******************************************************************************
;* Macro Name : IRQ_to_SYS
;* Description : This macro used to switch form IRQ mode to SYS mode
;* Input : none.
;* Output : none
;*******************************************************************************
IRQ_to_SYS MACRO
MSR cpsr_c,#0x1F
STMFD sp!,{lr}
ENDM
;*******************************************************************************
;* Macro Name : SYS_to_IRQ
;* Description : This macro used to switch from SYS mode to IRQ mode
;* Input : none.
;* Output : none
;*******************************************************************************
SYS_to_IRQ MACRO
LDMFD sp!,{lr}
MSR cpsr_c,#0xD2
MOV pc,lr
ENDM
;*******************************************************************************
;* Function Name : PRCCUCMUIRQHandler
;* Description : This function used to switch to SYS mode before entering
; the PRCCUCMUIRQHandler function located in 73x_it.c.
; Then to return to IRQ mode after the
; PRCCUCMUIRQHandler function termination.
;* Input : none
;* Output : none
;*******************************************************************************
PRCCUCMUIRQHandler
IRQ_to_SYS
ldr r0, =PRCCUCMU_IRQHandler
ldr lr,=PRCCUCMU_IRQHandler_end
bx r0
PRCCUCMU_IRQHandler_end:
SYS_to_IRQ
;*******************************************************************************
;* Function Name : EXTIT01IRQHandler
;* Description : This function used to switch to SYS mode before entering
; the EXTIT01IRQHandler function located in 73x_it.c.
; Then to return to IRQ mode after the
; EXTIT01IRQHandler function termination.
;* Input : none
;* Output : none
;*******************************************************************************
EXTIT01IRQHandler
IRQ_to_SYS
ldr r0, =EXTIT01_IRQHandler
ldr lr,=EXTIT01_IRQHandler_end
bx r0
EXTIT01_IRQHandler_end:
SYS_to_IRQ
;*******************************************************************************
;* Function Name : EXTIT02IRQHandler
;* Description : This function used to switch to SYS mode before entering
; the EXTIT02IRQHandler function located in 73x_it.c.
; Then to return to IRQ mode after the
; EXTIT02IRQHandler function termination.
;* Input : none
;* Output : none
;*******************************************************************************
EXTIT02IRQHandler
IRQ_to_SYS
ldr r0, =EXTIT02_IRQHandler
ldr lr,=EXTIT02_IRQHandler_end
bx r0
EXTIT02_IRQHandler_end:
SYS_to_IRQ
;*******************************************************************************
;* Function Name : EXTIT03IRQHandler
;* Description : This function used to switch to SYS mode before entering
; the EXTIT03IRQHandler function located in 73x_it.c.
; Then to return to IRQ mode after the
; EXTIT03IRQHandler function termination.
;* Input : none
;* Output : none
;*******************************************************************************
EXTIT03IRQHandler
IRQ_to_SYS
ldr r0, =EXTIT03_IRQHandler
ldr lr,=EXTIT03_IRQHandler_end
bx r0
EXTIT03_IRQHandler_end:
SYS_to_IRQ
;*******************************************************************************
;* Function Name : EXTIT04IRQHandler
;* Description : This function used to switch to SYS mode before entering
; the EXTIT04IRQHandler function located in 73x_it.c.
; Then to return to IRQ mode after the
; EXTIT04IRQHandler function termination.
;* Input : none
;* Output : none
;*******************************************************************************
EXTIT04IRQHandler
IRQ_to_SYS
ldr r0, =EXTIT04_IRQHandler
ldr lr,=EXTIT04_IRQHandler_end
bx r0
EXTIT04_IRQHandler_end:
SYS_to_IRQ
;*******************************************************************************
;* Function Name : EXTIT05IRQHandler
;* Description : This function used to switch to SYS mode before entering
; the EXTIT05IRQHandler function located in 73x_it.c.
; Then to return to IRQ mode after the
; EXTIT05IRQHandler function termination.
;* Input : none
;* Output : none
;*******************************************************************************
EXTIT05IRQHandler
IRQ_to_SYS
ldr r0, =EXTIT05_IRQHandler
ldr lr,=EXTIT05_IRQHandler_end
bx r0
EXTIT05_IRQHandler_end:
SYS_to_IRQ
;*******************************************************************************
;* Function Name : EXTIT06IRQHandler
;* Description : This function used to switch to SYS mode before entering
; the EXTIT06IRQHandler function located in 73x_it.c.
; Then to return to IRQ mode after the
; EXTIT06IRQHandler function termination.
;* Input : none
;* Output : none
;*******************************************************************************
EXTIT06IRQHandler
IRQ_to_SYS
ldr r0, =EXTIT06_IRQHandler
ldr lr,=EXTIT06_IRQHandler_end
bx r0
EXTIT06_IRQHandler_end:
SYS_to_IRQ
;*******************************************************************************
;* Function Name : EXTIT07IRQHandler
;* Description : This function used to switch to SYS mode before entering
; the EXTIT07IRQHandler function located in 73x_it.c.
; Then to return to IRQ mode after the
; EXTIT07IRQHandler function termination.
;* Input : none
;* Output : none
;*******************************************************************************
EXTIT07IRQHandler
IRQ_to_SYS
ldr r0, =EXTIT07_IRQHandler
ldr lr,=EXTIT07_IRQHandler_end
bx r0
EXTIT07_IRQHandler_end:
SYS_to_IRQ
;*******************************************************************************
;* Function Name : EXTIT08IRQHandler
;* Description : This function used to switch to SYS mode before entering
; the EXTIT08IRQHandler function located in 73x_it.c.
; Then to return to IRQ mode after the
; EXTIT08IRQHandler function termination.
;* Input : none
;* Output : none
;*******************************************************************************
EXTIT08IRQHandler
IRQ_to_SYS
ldr r0, =EXTIT08_IRQHandler
ldr lr,=EXTIT08_IRQHandler_end
bx r0
EXTIT08_IRQHandler_end:
SYS_to_IRQ
;*******************************************************************************
;* Function Name : EXTIT09IRQHandler
;* Description : This function used to switch to SYS mode before entering
; the EXTIT09IRQHandler function located in 73x_it.c.
; Then to return to IRQ mode after the
; EXTIT09IRQHandler function termination.
;* Input : none
;* Output : none
;*******************************************************************************
EXTIT09IRQHandler
IRQ_to_SYS
ldr r0, =EXTIT09_IRQHandler
ldr lr,=EXTIT09_IRQHandler_end
bx r0
EXTIT09_IRQHandler_end:
SYS_to_IRQ
;*******************************************************************************
;* Function Name : EXTIT10IRQHandler
;* Description : This function used to switch to SYS mode before entering
; the EXTIT10IRQHandler function located in 73x_it.c.
; Then to return to IRQ mode after the
; EXTIT10IRQHandler function termination.
;* Input : none
;* Output : none
;*******************************************************************************
EXTIT10IRQHandler
IRQ_to_SYS
ldr r0, =EXTIT10_IRQHandler
ldr lr,=EXTIT10_IRQHandler_end
bx r0
EXTIT10_IRQHandler_end:
SYS_to_IRQ
;*******************************************************************************
;* Function Name : EXTIT11IRQHandler
;* Description : This function used to switch to SYS mode before entering
; the EXTIT11IRQHandler function located in 73x_it.c.
; Then to return to IRQ mode after the
; EXTIT11IRQHandler function termination.
;* Input : none
;* Output : none
;*******************************************************************************
EXTIT11IRQHandler
IRQ_to_SYS
ldr r0, =EXTIT11_IRQHandler
ldr lr,=EXTIT11_IRQHandler_end
bx r0
EXTIT11_IRQHandler_end:
SYS_to_IRQ
;*******************************************************************************
;* Function Name : EXTIT12IRQHandler
;* Description : This function used to switch to SYS mode before entering
; the EXTIT12IRQHandler function located in 73x_it.c.
; Then to return to IRQ mode after the
; EXTIT12IRQHandler function termination.
;* Input : none
;* Output : none
;*******************************************************************************
EXTIT12IRQHandler
IRQ_to_SYS
ldr r0, =EXTIT12_IRQHandler
ldr lr,=EXTIT12_IRQHandler_end
bx r0
EXTIT12_IRQHandler_end:
SYS_to_IRQ
;*******************************************************************************
;* Function Name : EXTIT13IRQHandler
;* Description : This function used to switch to SYS mode before entering
; the EXTIT13IRQHandler function located in 73x_it.c.
; Then to return to IRQ mode after the
; EXTIT13IRQHandler function termination.
;* Input : none
;* Output : none
;*******************************************************************************
EXTIT13IRQHandler
IRQ_to_SYS
ldr r0, =EXTIT13_IRQHandler
ldr lr,=EXTIT13_IRQHandler_end
bx r0
EXTIT13_IRQHandler_end:
SYS_to_IRQ
;*******************************************************************************
;* Function Name : EXTIT14IRQHandler
;* Description : This function used to switch to SYS mode before entering
; the EXTIT14IRQHandler function located in 73x_it.c.
; Then to return to IRQ mode after the
; EXTIT14IRQHandler function termination.
;* Input : none
;* Output : none
;*******************************************************************************
EXTIT14IRQHandler
IRQ_to_SYS
ldr r0, =EXTIT14_IRQHandler
ldr lr,=EXTIT14_IRQHandler_end
bx r0
EXTIT14_IRQHandler_end:
SYS_to_IRQ
;*******************************************************************************
;* Function Name : EXTIT15IRQHandler
;* Description : This function used to switch to SYS mode before entering
; the EXTIT15IRQHandler function located in 73x_it.c.
; Then to return to IRQ mode after the
; EXTIT15IRQHandler function termination.
;* Input : none
;* Output : none
;*******************************************************************************
EXTIT15IRQHandler
IRQ_to_SYS
ldr r0, =EXTIT15_IRQHandler
ldr lr,=EXTIT15_IRQHandler_end
bx r0
EXTIT15_IRQHandler_end:
SYS_to_IRQ
;*******************************************************************************
;* Function Name : DMATRERRIRQHandler
;* Description : This function used to switch to SYS mode before entering
; the DMATRERRIRQHandler function located in 73x_it.c.
; Then to return to IRQ mode after the
; DMATRERRIRQHandler function termination.
;* Input : none
;* Output : none
;*******************************************************************************
DMATRERRIRQHandler
IRQ_to_SYS
ldr r0, =DMATRERR_IRQHandler
ldr lr,=DMATRERR_IRQHandler_end
bx r0
DMATRERR_IRQHandler_end:
SYS_to_IRQ
;*******************************************************************************
;* Function Name : TIM1IRQHandler
;* Description : This function used to switch to SYS mode before entering
; the TIM1IRQHandler function located in 73x_it.c.
; Then to return to IRQ mode after the
; TIM1IRQHandler function termination.
;* Input : none
;* Output : none
;*******************************************************************************
TIM1IRQHandler
IRQ_to_SYS
ldr r0, =TIM1_IRQHandler
ldr lr,=TIM1_IRQHandler_end
bx r0
TIM1_IRQHandler_end:
SYS_to_IRQ
;*******************************************************************************
;* Function Name : TIM2IRQHandler
;* Description : This function used to switch to SYS mode before entering
; the TIM2IRQHandler function located in 73x_it.c.
; Then to return to IRQ mode after the
; TIM2IRQHandler function termination.
;* Input : none
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