wrapper_irq.mac

来自「at91rm9200 的rom程序」· MAC 代码 · 共 34 行

;------------------------------------------------------------------------------
;-      ATMEL Microcontroller Software Support  -   ROUSSET -
;------------------------------------------------------------------------------
;- File source          : wrapper_irq.mac
;- Librarian            : Not applicable
;- Translator           : 
;-
;- Treatment            : Interrupt Handler Definition Macro.
;-
;-   15/03/01   	: Creation
;------------------------------------------------------------------------------

                AREA    AT91Lib, CODE, READONLY

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

			    MACRO
                AT91_ASM_HANDLER   $C_handler_name,$ASM_handler_name

                IMPORT      $C_handler_name
                EXPORT      $ASM_handler_name
$ASM_handler_name
                IRQ_ENTRY

                ldr     r1, =$C_handler_name
		mov     r14, pc
                bx      r1

                IRQ_EXIT

                MEND

                END