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FreeRTOS/Demo/ARM7_STR75x_IAR/75x_vect.s

883 lines
36 KiB
ArmAsm
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;******************** (C) COPYRIGHT 2006 STMicroelectronics ********************
;* File Name : 75x_vect.c
;* Author : MCD Application Team
;* Date First Issued : 03/10/2006
;* Description : This file used to initialize the exception and IRQ
;* vectors, and to enter/return to/from exceptions handlers.
;*******************************************************************************
; History:
; 07/17/2006 : V1.0
; 03/10/2006 : V0.1
;*******************************************************************************
;* THE PRESENT SOFTWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
;* WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE TIME.
;* AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY DIRECT,
;* INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING FROM THE
;* CONTENT OF SUCH SOFTWARE AND/OR THE USE MADE BY CUSTOMERS OF THE CODING
;* INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
;*******************************************************************************
#include "FreeRTOSConfig.h"
#include "ISR_Support.h"
PROGRAM ?RESET
COMMON INTVEC:CODE(2)
CODE32
EIC_base_addr EQU 0xFFFFF800 ; EIC base address
CICR_off_addr EQU 0x04 ; Current Interrupt Channel Register
IVR_off_addr EQU 0x18 ; Interrupt Vector Register
IPR_off_addr EQU 0x40 ; Interrupt Pending Register
;*******************************************************************************
; Import the __program_start address from 75x_init.s
;*******************************************************************************
IMPORT __program_start
;*******************************************************************************
; Import exception handlers
;*******************************************************************************
IMPORT Undefined_Handler
IMPORT SWI_Handler
IMPORT Prefetch_Handler
IMPORT Abort_Handler
IMPORT FIQ_Handler
;*******************************************************************************
; Import IRQ handlers from 75x_it.c
;*******************************************************************************
IMPORT WAKUP_IRQHandler
IMPORT TIM2_OC2_IRQHandler
IMPORT TIM2_OC1_IRQHandler
IMPORT TIM2_IC12_IRQHandler
IMPORT TIM2_UP_IRQHandler
IMPORT TIM1_OC2_IRQHandler
IMPORT TIM1_OC1_IRQHandler
IMPORT TIM1_IC12_IRQHandler
IMPORT TIM1_UP_IRQHandler
IMPORT TIM0_OC2_IRQHandler
IMPORT TIM0_OC1_IRQHandler
IMPORT TIM0_IC12_IRQHandler
IMPORT TIM0_UP_IRQHandler
IMPORT PWM_OC123_IRQHandler
IMPORT PWM_EM_IRQHandler
IMPORT PWM_UP_IRQHandler
IMPORT I2C_IRQHandler
IMPORT SSP1_IRQHandler
IMPORT SSP0_IRQHandler
IMPORT UART2_IRQHandler
IMPORT UART1_IRQHandler
IMPORT vSerialISR
IMPORT CAN_IRQHandler
IMPORT USB_LP_IRQHandler
IMPORT USB_HP_IRQHandler
IMPORT ADC_IRQHandler
IMPORT DMA_IRQHandler
IMPORT EXTIT_IRQHandler
IMPORT MRCC_IRQHandler
IMPORT FLASHSMI_IRQHandler
IMPORT RTC_IRQHandler
IMPORT TB_IRQHandler
IMPORT vPortPreemptiveTick
IMPORT vPortYieldProcessor
IMPORT UART0_IRQHandler
;*******************************************************************************
; Export Peripherals IRQ handlers table address
;*******************************************************************************
EXPORT WAKUP_Addr
;*******************************************************************************
; Exception vectors
;*******************************************************************************
LDR PC, Reset_Addr
LDR PC, Undefined_Addr
LDR PC, SWI_Addr
LDR PC, Prefetch_Addr
LDR PC, Abort_Addr
NOP ; Reserved vector
LDR PC, IRQ_Addr
LDR PC, FIQ_Addr
;*******************************************************************************
; Exception handlers address table
;*******************************************************************************
Reset_Addr DCD __program_start
Undefined_Addr DCD UndefinedHandler
SWI_Addr DCD vPortYieldProcessor
Prefetch_Addr DCD PrefetchAbortHandler
Abort_Addr DCD DataAbortHandler
DCD 0 ; Reserved vector
IRQ_Addr DCD IRQHandler
FIQ_Addr DCD FIQHandler
;*******************************************************************************
; Peripherals IRQ handlers address table
;*******************************************************************************
WAKUP_Addr DCD WAKUPIRQHandler
TIM2_OC2_Addr DCD TIM2_OC2IRQHandler
TIM2_OC1_Addr DCD TIM2_OC1IRQHandler
TIM2_IC12_Addr DCD TIM2_IC12IRQHandler
TIM2_UP_Addr DCD TIM2_UPIRQHandler
TIM1_OC2_Addr DCD TIM1_OC2IRQHandler
TIM1_OC1_Addr DCD TIM1_OC1IRQHandler
TIM1_IC12_Addr DCD TIM1_IC12IRQHandler
TIM1_UP_Addr DCD TIM1_UPIRQHandler
TIM0_OC2_Addr DCD TIM0_OC2IRQHandler
TIM0_OC1_Addr DCD TIM0_OC1IRQHandler
TIM0_IC12_Addr DCD TIM0_IC12IRQHandler
TIM0_UP_Addr DCD TIM0_UPIRQHandler
PWM_OC123_Addr DCD PWM_OC123IRQHandler
PWM_EM_Addr DCD PWM_EMIRQHandler
PWM_UP_Addr DCD PWM_UPIRQHandler
I2C_Addr DCD I2CIRQHandler
SSP1_Addr DCD SSP1IRQHandler
SSP0_Addr DCD SSP0IRQHandler
UART2_Addr DCD UART2IRQHandler
UART1_Addr DCD UART1IRQHandler
UART0_Addr DCD vSerialISR
CAN_Addr DCD CANIRQHandler
USB_LP_Addr DCD USB_LPIRQHandler
USB_HP_Addr DCD USB_HPIRQHandler
ADC_Addr DCD ADCIRQHandler
DMA_Addr DCD DMAIRQHandler
EXTIT_Addr DCD EXTITIRQHandler
MRCC_Addr DCD MRCCIRQHandler
FLASHSMI_Addr DCD FLASHSMIIRQHandler
RTC_Addr DCD RTCIRQHandler
TB_Addr DCD vPortPreemptiveTick
;*******************************************************************************
; Exception Handlers
;*******************************************************************************
;*******************************************************************************
;* Macro Name : SaveContext
;* Description : This macro used to save the context before entering
;* an exception handler.
;* Input : The range of registers to store.
;* Output : none
;*******************************************************************************
SaveContext MACRO reg1,reg2
STMFD sp!,{reg1-reg2,lr} ; Save The workspace plus the current return
; address lr_ mode into the stack.
MRS r1,spsr ; Save the spsr_mode into r1.
STMFD sp!,{r1} ; Save spsr.
ENDM
;*******************************************************************************
;* Macro Name : RestoreContext
;* Description : This macro used to restore the context to return from
;* an exception handler and continue the program execution.
;* Input : The range of registers to restore.
;* Output : none
;*******************************************************************************
RestoreContext MACRO reg1,reg2
LDMFD sp!,{r1} ; Restore the saved spsr_mode into r1.
MSR spsr_cxsf,r1 ; Restore spsr_mode.
LDMFD sp!,{reg1-reg2,pc}^; Return to the instruction following...
; ...the exception interrupt.
ENDM
;*******************************************************************************
;* Function Name : UndefinedHandler
;* Description : This function called when undefined instruction exception
;* is entered.
;* Input : none
;* Output : none
;*******************************************************************************
UndefinedHandler
SaveContext r0,r12 ; Save the workspace plus the current
; return address lr_ und and spsr_und.
ldr r0,=Undefined_Handler
ldr lr,=Undefined_Handler_end
bx r0 ;Branch to Undefined_Handler
Undefined_Handler_end:
RestoreContext r0,r12 ; Return to the instruction following...
; ...the undefined instruction.
;*******************************************************************************
;* Function Name : SWIHandler
;* Description : This function called when SWI instruction executed.
;* Input : none
;* Output : none
;*******************************************************************************
SWIHandler
SaveContext r0,r12 ; Save the workspace plus the current
; return address lr_ svc and spsr_svc.
ldr r0,= SWI_Handler
ldr lr,= SWI_Handler_end
bx r0 ;Branch to SWI_Handler
SWI_Handler_end:
RestoreContext r0,r12 ; Return to the instruction following...
; ...the SWI instruction.
;*******************************************************************************
;* Function Name : IRQHandler
;* Description : This function called when IRQ exception is entered.
;* Input : none
;* Output : none
;*******************************************************************************
IRQHandler
portSAVE_CONTEXT ; Save the context of the current task.
LDR r0, =EIC_base_addr
LDR r1, =IVR_off_addr
LDR lr, =ReturnAddress ; Load the return address.
ADD pc,r0,r1 ; Branch to the IRQ handler.
ReturnAddress
LDR r0, =EIC_base_addr
LDR r2, [r0, #CICR_off_addr] ; Get the IRQ channel number
MOV r3,#1
MOV r3,r3,LSL r2
STR r3,[r0, #IPR_off_addr] ; Clear the corresponding IPR bit.
portRESTORE_CONTEXT ; Restore the context of the selected task.
;*******************************************************************************
;* Function Name : PrefetchAbortHandler
;* Description : This function called when Prefetch Abort exception is entered.
;* Input : none
;* Output : none
;*******************************************************************************
PrefetchAbortHandler
SUB lr,lr,#4 ; Update the link register.
SaveContext r0,r7 ; Save the workspace plus the current
; return address lr_abt and spsr_abt.
ldr r0,= Prefetch_Handler
ldr lr,= Prefetch_Handler_end
bx r0 ;Branch to Prefetch_Handler
Prefetch_Handler_end:
RestoreContext r0,r7 ; Return to the instruction following that...
; ...has generated the prefetch abort exception.
;*******************************************************************************
;* Function Name : DataAbortHandler
;* Description : This function is called when Data Abort exception is entered.
;* Input : none
;* Output : none
;*******************************************************************************
DataAbortHandler
SUB lr,lr,#8 ; Update the link register.
SaveContext r0,r12 ; Save the workspace plus the current
; return address lr_ abt and spsr_abt.
ldr r0,= Abort_Handler
ldr lr,= Abort_Handler_end
bx r0 ;Branch to Abort_Handler
Abort_Handler_end:
RestoreContext r0,r12 ; Return to the instruction following that...
; ...has generated the data abort exception.
;*******************************************************************************
;* 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 : WAKUPIRQHandler
;* Description : This function used to switch to SYS mode before entering
;* the WAKUP_IRQHandler function located in 75x_it.c.
;* Then to return to IRQ mode after the WAKUP_IRQHandler
;* function termination.
;* Input : none
;* Output : none
;*******************************************************************************
WAKUPIRQHandler
IRQ_to_SYS
ldr r0,=WAKUP_IRQHandler
ldr lr,=WAKUP_IRQHandler_end
bx r0
WAKUP_IRQHandler_end:
SYS_to_IRQ
;*******************************************************************************
;* Function Name : TIM2_OC2IRQHandler
;* Description : This function used to switch to SYS mode before entering
;* the TIM2_OC2_IRQHandler function located in 75x_it.c.
;* Then to return to IRQ mode after the TIM2_OC2_IRQHandler
;* function termination.
;* Input : none
;* Output : none
;*******************************************************************************
TIM2_OC2IRQHandler
IRQ_to_SYS
ldr r0,=TIM2_OC2_IRQHandler
ldr lr,=TIM2_OC2_IRQHandler_end
bx r0
TIM2_OC2_IRQHandler_end:
SYS_to_IRQ
;*******************************************************************************
;* Function Name : TIM2_OC1IRQHandler
;* Description : This function used to switch to SYS mode before entering
;* the TIM2_OC1_IRQHandler function located in 75x_it.c.
;* Then to return to IRQ mode after the TIM2_OC1_IRQHandler
;* function termination.
;* Input : none
;* Output : none
;*******************************************************************************
TIM2_OC1IRQHandler
IRQ_to_SYS
ldr r0,=TIM2_OC1_IRQHandler
ldr lr,=TIM2_OC1_IRQHandler_end
bx r0
TIM2_OC1_IRQHandler_end:
SYS_to_IRQ
;*******************************************************************************
;* Function Name : TIM2_IC12IRQHandler
;* Description : This function used to switch to SYS mode before entering
;* the TIM2_IC12_IRQHandler function located in 75x_it.c.
;* Then to return to IRQ mode after the TIM2_IC12_IRQHandler
;* function termination.
;* Input : none
;* Output : none
;*******************************************************************************
TIM2_IC12IRQHandler
IRQ_to_SYS
ldr r0,=TIM2_IC12_IRQHandler
ldr lr,=TIM2_IC12_IRQHandler_end
bx r0
TIM2_IC12_IRQHandler_end:
SYS_to_IRQ
;*******************************************************************************
;* Function Name : TIM2_UPIRQHandler
;* Description : This function used to switch to SYS mode before entering
;* the TIM2_UP_IRQHandler function located in 75x_it.c.
;* Then to return to IRQ mode after the TIM2_UP_IRQHandler
;* function termination.
;* Input : none
;* Output : none
;*******************************************************************************
TIM2_UPIRQHandler
IRQ_to_SYS
ldr r0,=TIM2_UP_IRQHandler
ldr lr,=TIM2_UP_IRQHandler_end
bx r0
TIM2_UP_IRQHandler_end:
SYS_to_IRQ
;*******************************************************************************
;* Function Name : TIM1_OC2IRQHandler
;* Description : This function used to switch to SYS mode before entering
;* the TIM1_OC2_IRQHandler function located in 75x_it.c.
;* Then to return to IRQ mode after the TIM1_OC2_IRQHandler
;* function termination.
;* Input : none
;* Output : none
;*******************************************************************************
TIM1_OC2IRQHandler
IRQ_to_SYS
ldr r0,=TIM1_OC2_IRQHandler
ldr lr,=TIM1_OC2_IRQHandler_end
bx r0
TIM1_OC2_IRQHandler_end:
SYS_to_IRQ
;*******************************************************************************
;* Function Name : TIM1_OC1IRQHandler
;* Description : This function used to switch to SYS mode before entering
;* the TIM1_OC1_IRQHandler function located in 75x_it.c.
;* Then to return to IRQ mode after the TIM1_OC1_IRQHandler
;* function termination.
;* Input : none
;* Output : none
;*******************************************************************************
TIM1_OC1IRQHandler
IRQ_to_SYS
ldr r0,=TIM1_OC1_IRQHandler
ldr lr,=TIM1_OC1_IRQHandler_end
bx r0
TIM1_OC1_IRQHandler_end:
SYS_to_IRQ
;*******************************************************************************
;* Function Name : TIM1_IC12IRQHandler
;* Description : This function used to switch to SYS mode before entering
;* the TIM1_IC12_IRQHandler function located in 75x_it.c.
;* Then to return to IRQ mode after the TIM1_IC12_IRQHandler
;* function termination.
;* Input : none
;* Output : none
;*******************************************************************************
TIM1_IC12IRQHandler
IRQ_to_SYS
ldr r0,=TIM1_IC12_IRQHandler
ldr lr,=TIM1_IC12_IRQHandler_end
bx r0
TIM1_IC12_IRQHandler_end:
SYS_to_IRQ
;*******************************************************************************
;* Function Name : TIM1_UPIRQHandler
;* Description : This function used to switch to SYS mode before entering
;* the TIM1_UP_IRQHandler function located in 75x_it.c.
;* Then to return to IRQ mode after the TIM1_UP_IRQHandler
;* function termination.
;* Input : none
;* Output : none
;*******************************************************************************
TIM1_UPIRQHandler
IRQ_to_SYS
ldr r0,=TIM1_UP_IRQHandler
ldr lr,=TIM1_UP_IRQHandler_end
bx r0
TIM1_UP_IRQHandler_end:
SYS_to_IRQ
;*******************************************************************************
;* Function Name : TIM0_OC2IRQHandler
;* Description : This function used to switch to SYS mode before entering
;* the TIM0_OC2_IRQHandler function located in 75x_it.c.
;* Then to return to IRQ mode after the TIM0_OC2_IRQHandler
;* function termination.
;* Input : none
;* Output : none
;*******************************************************************************
TIM0_OC2IRQHandler
IRQ_to_SYS
ldr r0,=TIM0_OC2_IRQHandler
ldr lr,=TIM0_OC2_IRQHandler_end
bx r0
TIM0_OC2_IRQHandler_end:
SYS_to_IRQ
;*******************************************************************************
;* Function Name : TIM0_OC1IRQHandler
;* Description : This function used to switch to SYS mode before entering
;* the TIM0_OC1_IRQHandler function located in 75x_it.c.
;* Then to return to IRQ mode after the TIM0_OC1_IRQHandler
;* function termination.
;* Input : none
;* Output : none
;*******************************************************************************
TIM0_OC1IRQHandler
IRQ_to_SYS
ldr r0,=TIM0_OC1_IRQHandler
ldr lr,=TIM0_OC1_IRQHandler_end
bx r0
TIM0_OC1_IRQHandler_end:
SYS_to_IRQ
;*******************************************************************************
;* Function Name : TIM0_IC12IRQHandler
;* Description : This function used to switch to SYS mode before entering
;* the TIM0_IC12_IRQHandler function located in 75x_it.c.
;* Then to return to IRQ mode after the TIM0_IC12_IRQHandler
;* function termination.
;* Input : none
;* Output : none
;*******************************************************************************
TIM0_IC12IRQHandler
IRQ_to_SYS
ldr r0,=TIM0_IC12_IRQHandler
ldr lr,=TIM0_IC12_IRQHandler_end
bx r0
TIM0_IC12_IRQHandler_end:
SYS_to_IRQ
;*******************************************************************************
;* Function Name : TIM0_UPIRQHandler
;* Description : This function used to switch to SYS mode before entering
;* the TIM0_UP_IRQHandler function located in 75x_it.c.
;* Then to return to IRQ mode after the TIM0_UP_IRQHandler
;* function termination.
;* Input : none
;* Output : none
;*******************************************************************************
TIM0_UPIRQHandler
IRQ_to_SYS
ldr r0,=TIM0_UP_IRQHandler
ldr lr,=TIM0_UP_IRQHandler_end
bx r0
TIM0_UP_IRQHandler_end:
SYS_to_IRQ
;*******************************************************************************
;* Function Name : PWM_OC123IRQHandler
;* Description : This function used to switch to SYS mode before entering
;* the PWM_OC123_IRQHandler function located in 75x_it.c.
;* Then to return to IRQ mode after the PWM_OC123_IRQHandler
;* function termination.
;* Input : none
;* Output : none
;*******************************************************************************
PWM_OC123IRQHandler
IRQ_to_SYS
ldr r0,=PWM_OC123_IRQHandler
ldr lr,=PWM_OC123_IRQHandler_end
bx r0
PWM_OC123_IRQHandler_end:
SYS_to_IRQ
;*******************************************************************************
;* Function Name : PWM_EMIRQHandler
;* Description : This function used to switch to SYS mode before entering
;* the PWM_EM_IRQHandler function located in 75x_it.c.
;* Then to return to IRQ mode after the PWM_EM_IRQHandler
;* function termination.
;* Input : none
;* Output : none
;*******************************************************************************
PWM_EMIRQHandler
IRQ_to_SYS
ldr r0,=PWM_EM_IRQHandler
ldr lr,=PWM_EM_IRQHandler_end
bx r0
PWM_EM_IRQHandler_end:
SYS_to_IRQ
;*******************************************************************************
;* Function Name : PWM_UPIRQHandler
;* Description : This function used to switch to SYS mode before entering
;* the PWM_UP_IRQHandler function located in 75x_it.c.
;* Then to return to IRQ mode after the PWM_UP_IRQHandler
;* function termination.
;* Input : none
;* Output : none
;*******************************************************************************
PWM_UPIRQHandler
IRQ_to_SYS
ldr r0,=PWM_UP_IRQHandler
ldr lr,=PWM_UP_IRQHandler_end
bx r0
PWM_UP_IRQHandler_end:
SYS_to_IRQ
;*******************************************************************************
;* Function Name : I2CIRQHandler
;* Description : This function used to switch to SYS mode before entering
;* the I2C_IRQHandler function located in 75x_it.c.
;* Then to return to IRQ mode after the I2C_IRQHandler function
;* termination.
;* Input : none
;* Output : none
;*******************************************************************************
I2CIRQHandler
IRQ_to_SYS
ldr r0,=I2C_IRQHandler
ldr lr,=I2C_IRQHandler_end
bx r0
I2C_IRQHandler_end:
SYS_to_IRQ
;*******************************************************************************
;* Function Name : SSP1IRQHandler
;* Description : This function used to switch to SYS mode before entering
;* the SSP1_IRQHandler function located in 75x_it.c.
;* Then to return to IRQ mode after the SSP1_IRQHandler
;* function termination.
;* Input : none
;* Output : none
;*******************************************************************************
SSP1IRQHandler
IRQ_to_SYS
ldr r0,=SSP1_IRQHandler
ldr lr,=SSP1_IRQHandler_end
bx r0
SSP1_IRQHandler_end:
SYS_to_IRQ
;*******************************************************************************
;* Function Name : SSP0IRQHandler
;* Description : This function used to switch to SYS mode before entering
;* the SSP0_IRQHandler function located in 75x_it.c.
;* Then to return to IRQ mode after the SSP0_IRQHandler
;* function termination.
;* Input : none
;* Output : none
;*******************************************************************************
SSP0IRQHandler
IRQ_to_SYS
ldr r0,=SSP0_IRQHandler
ldr lr,=SSP0_IRQHandler_end
bx r0
SSP0_IRQHandler_end:
SYS_to_IRQ
;*******************************************************************************
;* Function Name : UART2IRQHandler
;* Description : This function used to switch to SYS mode before entering
;* the UART2_IRQHandler function located in 75x_it.c.
;* Then to return to IRQ mode after the UART2_IRQHandler
;* function termination.
;* Input : none
;* Output : none
;*******************************************************************************
UART2IRQHandler
IRQ_to_SYS
ldr r0,=UART2_IRQHandler
ldr lr,=UART2_IRQHandler_end
bx r0
UART2_IRQHandler_end:
SYS_to_IRQ
;*******************************************************************************
;* Function Name : UART1IRQHandler
;* Description : This function used to switch to SYS mode before entering
;* the UART1_IRQHandler function located in 75x_it.c.
;* Then to return to IRQ mode after the UART1_IRQHandler
;* function termination.
;* Input : none
;* Output : none
;*******************************************************************************
UART1IRQHandler
IRQ_to_SYS
ldr r0,=UART1_IRQHandler
ldr lr,=UART1_IRQHandler_end
bx r0
UART1_IRQHandler_end:
SYS_to_IRQ
;*******************************************************************************
;* Function Name : UART0IRQHandler
;* Description : This function used to switch to SYS mode before entering
;* the UART0_IRQHandler function located in 75x_it.c.
;* Then to return to IRQ mode after the UART0_IRQHandler
;* function termination.
;* Input : none
;* Output : none
;*******************************************************************************
UART0IRQHandler
IRQ_to_SYS
ldr r0,=UART0_IRQHandler
ldr lr,=UART0_IRQHandler_end
bx r0
UART0_IRQHandler_end:
SYS_to_IRQ
;*******************************************************************************
;* Function Name : CANIRQHandler
;* Description : This function used to switch to SYS mode before entering
;* the CAN_IRQHandler function located in 75x_it.c.
;* Then to return to IRQ mode after the CAN_IRQHandler function
;* termination.
;* Input : none
;* Output : none
;*******************************************************************************
CANIRQHandler
IRQ_to_SYS
ldr r0,=CAN_IRQHandler
ldr lr,=CAN_IRQHandler_end
bx r0
CAN_IRQHandler_end:
SYS_to_IRQ
;*******************************************************************************
;* Function Name : USB_LPIRQHandler
;* Description : This function used to switch to SYS mode before entering
;* the USB_LP_IRQHandler function located in 75x_it.c.
;* Then to return to IRQ mode after the USB_LP_IRQHandler
;* function termination.
;* Input : none
;* Output : none
;*******************************************************************************
USB_LPIRQHandler
IRQ_to_SYS
ldr r0,=USB_LP_IRQHandler
ldr lr,=USB_LP_IRQHandler_end
bx r0
USB_LP_IRQHandler_end:
SYS_to_IRQ
;*******************************************************************************
;* Function Name : USB_HPIRQHandler
;* Description : This function used to switch to SYS mode before entering
;* the USB_HP_IRQHandler function located in 75x_it.c.
;* Then to return to IRQ mode after the USB_HP_IRQHandler
;* function termination.
;* Input : none
;* Output : none
;*******************************************************************************
USB_HPIRQHandler
IRQ_to_SYS
ldr r0,=USB_HP_IRQHandler
ldr lr,=USB_HP_IRQHandler_end
bx r0
USB_HP_IRQHandler_end:
SYS_to_IRQ
;*******************************************************************************
;* Function Name : ADCIRQHandler
;* Description : This function used to switch to SYS mode before entering
;* the ADC_IRQHandler function located in 75x_it.c.
;* Then to return to IRQ mode after the ADC_IRQHandler
;* function termination.
;* Input : none
;* Output : none
;*******************************************************************************
ADCIRQHandler
IRQ_to_SYS
ldr r0,=ADC_IRQHandler
ldr lr,=ADC_IRQHandler_end
bx r0
ADC_IRQHandler_end:
SYS_to_IRQ
;*******************************************************************************
;* Function Name : DMAIRQHandler
;* Description : This function used to switch to SYS mode before entering
;* the DMA_IRQHandler function located in 75x_it.c.
;* Then to return to IRQ mode after the DMA_IRQHandler
;* function termination.
;* Input : none
;* Output : none
;*******************************************************************************
DMAIRQHandler
IRQ_to_SYS
ldr r0,=DMA_IRQHandler
ldr lr,=DMA_IRQHandler_end
bx r0
DMA_IRQHandler_end:
SYS_to_IRQ
;*******************************************************************************
;* Function Name : EXTITIRQHandler
;* Description : This function used to switch to SYS mode before entering
;* the EXTIT_IRQHandler function located in 75x_it.c.
;* Then to return to IRQ mode after the EXTIT_IRQHandler
;* function termination.
;* Input : none
;* Output : none
;*******************************************************************************
EXTITIRQHandler
IRQ_to_SYS
ldr r0,=EXTIT_IRQHandler
ldr lr,=EXTIT_IRQHandler_end
bx r0
EXTIT_IRQHandler_end:
SYS_to_IRQ
;*******************************************************************************
;* Function Name : MRCCIRQHandler
;* Description : This function used to switch to SYS mode before entering
;* the MRCC_IRQHandler function located in 75x_it.c.
;* Then to return to IRQ mode after the MRCC_IRQHandler
;* function termination.
;* Input : none
;* Output : none
;*******************************************************************************
MRCCIRQHandler
IRQ_to_SYS
ldr r0,=MRCC_IRQHandler
ldr lr,=MRCC_IRQHandler_end
bx r0
MRCC_IRQHandler_end:
SYS_to_IRQ
;*******************************************************************************
;* Function Name : FLASHSMIIRQHandler
;* Description : This function used to switch to SYS mode before entering
;* the FLASHSMI_IRQHandler function located in 75x_it.c.
;* Then to return to IRQ mode after the FLASHSMI_IRQHandler
;* function termination.
;* Input : none
;* Output : none
;*******************************************************************************
FLASHSMIIRQHandler
IRQ_to_SYS
ldr r0,=FLASHSMI_IRQHandler
ldr lr,=FLASHSMI_IRQHandler_end
bx r0
FLASHSMI_IRQHandler_end:
SYS_to_IRQ
;*******************************************************************************
;* Function Name : RTCIRQHandler
;* Description : This function used to switch to SYS mode before entering
;* the RTC_IRQHandler function located in 75x_it.c.
;* Then to return to IRQ mode after the RTC_IRQHandler function
;* termination.
;* Input : none
;* Output : none
;*******************************************************************************
RTCIRQHandler
IRQ_to_SYS
ldr r0,=RTC_IRQHandler
ldr lr,=RTC_IRQHandler_end
bx r0
RTC_IRQHandler_end:
SYS_to_IRQ
;*******************************************************************************
;* Function Name : TBIRQHandler
;* Description : This function used to switch to SYS mode before entering
;* the TB_IRQHandler function located in 75x_it.c.
;* Then to return to IRQ mode after the TB_IRQHandler function
;* termination.
;* Input : none
;* Output : none
;*******************************************************************************
TBIRQHandler
IRQ_to_SYS
ldr r0,=TB_IRQHandler
ldr lr,=TB_IRQHandler_end
bx r0
TB_IRQHandler_end:
SYS_to_IRQ
LTORG
END
;******************* (C) COPYRIGHT 2006 STMicroelectronics *****END OF FILE*****
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