mirror of
https://github.com/FreeRTOS/FreeRTOS-Kernel.git
synced 2025-09-01 11:53:53 -04:00
Add FreeRTOS-Plus directory.
This commit is contained in:
parent
7bd5f21ad5
commit
f508a5f653
6798 changed files with 134949 additions and 19 deletions
134
FreeRTOS/Demo/ARM9_STR91X_IAR/91x_vect_IAR.s
Normal file
134
FreeRTOS/Demo/ARM9_STR91X_IAR/91x_vect_IAR.s
Normal file
|
@ -0,0 +1,134 @@
|
|||
;******************** (C) COPYRIGHT 2005 STMicroelectronics ********************
|
||||
;* File Name : 91x_vect.s
|
||||
;* Author : MCD Application Team
|
||||
;* Date First Issued : 10/25/2005 : Beta Version V0.1
|
||||
;* Description : This File used to initialize the exception and IRQ
|
||||
;* vectors, and to enter/return to/from exceptions
|
||||
;* handlers.
|
||||
;*******************************************************************************
|
||||
; History:
|
||||
; 10/25/2005 : Beta Version 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"
|
||||
|
||||
MODULE ?RESET
|
||||
COMMON INTVEC:CODE(2)
|
||||
CODE32
|
||||
EXPORT LINK
|
||||
|
||||
VectorAddress EQU 0xFFFFF030 ; VIC Vector address register address.
|
||||
VectorAddressDaisy EQU 0xFC000030 ; Daisy VIC Vector address register
|
||||
; address.
|
||||
LINK EQU 0x0
|
||||
|
||||
I_Bit EQU 0x80 ; when I bit is set, IRQ is disabled
|
||||
F_Bit EQU 0x40 ; when F bit is set, FIQ is disabled
|
||||
|
||||
;*******************************************************************************
|
||||
; MACRO
|
||||
;*******************************************************************************
|
||||
|
||||
;*******************************************************************************
|
||||
; Import the __program_start address from 91x_init.s
|
||||
;*******************************************************************************
|
||||
|
||||
IMPORT __program_start
|
||||
|
||||
;*******************************************************************************
|
||||
; Import exception handlers
|
||||
;*******************************************************************************
|
||||
|
||||
IMPORT vPortYieldProcessor ; FreeRTOS SWI handler
|
||||
|
||||
;*******************************************************************************
|
||||
; Export Peripherals IRQ handlers table address
|
||||
;*******************************************************************************
|
||||
|
||||
;*******************************************************************************
|
||||
; 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
|
||||
|
||||
|
||||
;*******************************************************************************
|
||||
; Exception Handlers
|
||||
;*******************************************************************************
|
||||
|
||||
; - NOTE -
|
||||
; The IRQ and SWI handlers are the only managed exception.
|
||||
|
||||
UndefinedHandler
|
||||
b UndefinedHandler
|
||||
|
||||
PrefetchAbortHandler
|
||||
b PrefetchAbortHandler
|
||||
|
||||
DataAbortHandler
|
||||
b DataAbortHandler
|
||||
|
||||
FIQHandler
|
||||
b FIQHandler
|
||||
|
||||
DefaultISR
|
||||
b DefaultISR
|
||||
|
||||
|
||||
;*******************************************************************************
|
||||
;* 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, = VectorAddress
|
||||
LDR r0, [r0] ; Read the routine address
|
||||
LDR r1, = VectorAddressDaisy
|
||||
LDR r1, [r1]
|
||||
MOV lr, pc
|
||||
bx r0
|
||||
LDR r0, = VectorAddress ; Write to the VectorAddress to clear the
|
||||
STR r0, [r0] ; respective interrupt in the internal interrupt
|
||||
LDR r1, = VectorAddressDaisy ; Write to the VectorAddressDaisy to clear the
|
||||
STR r1,[r1] ; respective interrupt in the internal interrupt
|
||||
|
||||
portRESTORE_CONTEXT ; Restore the context of the selected task.
|
||||
|
||||
|
||||
LTORG
|
||||
|
||||
END
|
||||
|
||||
;******************* (C) COPYRIGHT 2003 STMicroelectronics *****END OF FILE****
|
Loading…
Add table
Add a link
Reference in a new issue