time_rtc_irq.mac

来自「ATMEL at91系列arm的官方驱动」· MAC 代码 · 共 41 行

;------------------------------------------------------------------------------
;-         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          : time_rtc_irq.mac
;- Object               : Assembler RTC Interrupt Handler Definition Macro.
;-
;- 1.0 11/09/00 JPP     : Creation
;- 1.1 02/11/00 JPP     : Green Hills
;------------------------------------------------------------------------------

                AREA        AT91Lib, CODE, READONLY, INTERWORK

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

                MACRO
                AT91_RTC_ASM_HANDLER    $handler_name, $rtc

                IMPORT      at91_time_rtc_c_handler
                IMPORT      $rtc
                EXPORT      $handler_name
$handler_name

                IRQ_ENTRY

                ldr     r1, =at91_time_rtc_c_handler
                ldr     r0, =$rtc
                mov     r14, pc
                bx      r1

                IRQ_EXIT

                MEND

                END