?? arm_isr.arm
字號:
;------------------------------------------------------------------------------
;- ATMEL Microcontroller Software Support - ROUSSET -
;------------------------------------------------------------------------------
; The software is delivered "AS IS" without warranty or condition of any
; kind, either express, implied or statutory. This includes without
; limitation any warranty or condition with respect to merchantability or
; fitness for any particular purpose, or against the infringements of
; intellectual property rights of others.
;------------------------------------------------------------------------------
;- File source : arm_isr.arm
;- Object : Assembler Interrupt Handler.
;-
;- Creation 28/Mar/03 JPP : Creation
;------------------------------------------------------------------------------
;------------------------------------------------------------------------------
;- Area Definition
;------------------------------------------------------------------------------
.section ".itHandler", .text
.align 4
#include "../include/AT91RM9200_inc.h"
#include "irq_ghs.mac"
;------------------------------------------------------------------------------
; AT91F_ST_ASM_HANDLER
; ---------------------
; Handler called by the AIC
;
; Save context
; Call C handler
; Restore context
;------------------------------------------------------------------------------
.globl AT91F_ST_ASM_HANDLER
AT91F_ST_ASM_HANDLER:
.import AT91F_ST_HANDLER
;- Manage Exception Entry
IRQ_ENTRY
ldr r1, =AT91F_ST_HANDLER
mov r14, pc
bx r1
;- Manage Exception Exit
IRQ_EXIT
.type AT91F_ST_ASM_HANDLER,$function
.size AT91F_ST_ASM_HANDLER,.-AT91F_ST_ASM_HANDLER
END
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