terminal_irq.mac

PHILIPS ARM7内核系统芯片的亮LED灯小程序

;------------------------------------------------------------------------------
;-      ATMEL Microcontroller Software Support  -   ROUSSET -
;------------------------------------------------------------------------------
;- File source          : terminal_irq.mac
;- Librarian            : Not applicable
;-
;- Treatment            : Terminal Interrupt Handler Definition Macro.
;-
;- 1.0 JCZ 01/01/99     : Creation
;- 1.1 02/11/00 JPP     : Green Hills
;------------------------------------------------------------------------------

                AREA    AT91Lib, CODE, READONLY, INTERWORK

                INCLUDE     ../../periph/aic/irq.mac

                MACRO
                AT91_TERMINAL_ASM_HANDLER   $handler_name, $terminal_desc

                IMPORT      at91_terminal_c_handler
                IMPORT      $terminal_desc
                EXPORT      $handler_name
$handler_name
                IRQ_ENTRY

                ldr     r1, =at91_terminal_c_handler
                ldr     r0, =$terminal_desc
                mov     r14, pc
                bx      r1

                IRQ_EXIT

                MEND

                END