serial_periph_1_irq.mac

来自「有关ATMEL AT91系列CPU的驱动函数库」· MAC 代码 · 共 33 行

#------------------------------------------------------------------------------
#-      ATMEL Microcontroller Software Support  -   ROUSSET -
#------------------------------------------------------------------------------
#- File source          : serial_periph_1_irq.mac
#- Object               : Serial Peripheral Driver Interrupt Handler Macro.
#-
#- 1.0 JCZ 04/01/00     : Creation
#- 1.1 02/11/00 JPP     : Green Hills
#------------------------------------------------------------------------------

#                AREA        AT91Lib, CODE, READONLY, INTERWORK

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

                .MACRO      SERIAL_PERIPH_1_ASM_HANDLER   asm_handler, c_handler, descriptor

                .EXTERN     c_handler
                .EXTERN     descriptor
                .GLOBAL     asm_handler
asm_handler:
                IRQ_ENTRY

                ldr     r1, =c_handler
                ldr     r0, =descriptor
                mov     r14, pc
                bx      r1

                IRQ_EXIT

                .ENDM

#                END