terminal_irq.s

这是ARM的中止源码

#------------------------------------------------------------------------------
#-         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          : terminal_irq.mac
#- Object               : Assembler terminal Interrupt Handler Macro
#-
#- 1.0 04/11/00 EL      : Creation
#------------------------------------------------------------------------------

#            AREA        reset, CODE, READONLY, INTERWORK

            .INCLUDE     "../../drivers/terminal/terminal_irq.mac"

#------------------------------------------------------------------------------
#- Function         : terminal_irq
#- Treatments       : Terminal Interrupt Handler
#- Operations       :
#------------------------------------------------------------------------------

#            AT91_TERMINAL_ASM_HANDLER    at91_irq_handler, terminal_1

           	.EXTERN     at91_terminal_c_handler
            .EXTERN     terminal_1
            .GLOBAL     at91_irq_handler
at91_irq_handler:
            IRQ_ENTRY

            ldr     r1, =at91_terminal_c_handler
            ldr     r0, =terminal_1
            mov     r14, pc
            bx      r1

            IRQ_EXIT

#           END