terminal_irq.mac

本程序包是基于EMBEST IDE FOR ARM下的ATMEL的AT91系列的MCU程序代码,其中有LED,中断,TIMER,UCOS移植等等.

#------------------------------------------------------------------------------
#-      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

                .EXTERN     at91_terminal_c_handler
                .EXTERN     terminal_desc
                .GLOBAL     handler_name
handler_name:
                IRQ_ENTRY

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

                IRQ_EXIT

                .ENDM

#               END