mck_isr.arm

ATMEL AT91RM9200开发板配套光盘上的全部示例程序

;------------------------------------------------------------------------------
;-         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          : mck_isr.arm
;- Object               : Assembler APMC Clock Interrupt Handler.
;-
;- 1.0 05/mars/03 JPP   : Creation for Green Hills
;------------------------------------------------------------------------------

;------------------------------------------------------------------------------
;- Area Definition
;------------------------------------------------------------------------------
    .section ".text", .text
    .align  4

#include "include/AT91M55800A_inc.h"
#include "irq_ghs.mac"

;------------------------------------------------------------------------------
;- Function             : osc32k_asm_handler
;- Treatments           : 32kHz mode Handler to run with Slow Clock Source
;- Called Functions     : osc32k_c_handler
;- Called Macros        : IRQ_ENTRY, IRQ_EXIT
;------------------------------------------------------------------------------
    .globl osc32k_asm_handler
osc32k_asm_handler:
            .import      osc32k_c_handler

;- Manage Exception Entry
            IRQ_ENTRY

;- Call  C handler
            ldr         r0, =osc32k_c_handler
            mov         r14, pc
            bx          r0

;- Manage Exception Exit
            b			irq_exit
    .type   osc32k_asm_handler,$function
    .size   osc32k_asm_handler,.-osc32k_asm_handler

;------------------------------------------------------------------------------
;- Function             : osc32k_osc16m_asm_handler
;- Treatments           : Set main oscillator
;- Called Functions     : osc16m_c_handler
;- Called Macros        : IRQ_ENTRY, IRQ_EXIT
;------------------------------------------------------------------------------
            .import      osc32k_osc16m_c_handler
            .globl       osc32k_osc16m_asm_handler
osc32k_osc16m_asm_handler:

;- Manage Exception Entry
            IRQ_ENTRY

;- Call  C handler
            ldr         r0, =osc32k_osc16m_c_handler
            mov         r14, pc
            bx          r0


;- Manage Exception Exit
            b			irq_exit

    .type   osc32k_osc16m_asm_handler,$function
    .size   osc32k_osc16m_asm_handler,.-osc32k_osc16m_asm_handler
;------------------------------------------------------------------------------
;- Function             : osc32k_pll_asm_handler
;- Treatments           :
;- Called Functions     :
;- Called Macros        :
;------------------------------------------------------------------------------
            .import      osc32k_pll_c_handler

    		.globl osc32k_pll_asm_handler

osc32k_pll_asm_handler:

;- Manage Exception Entry
            IRQ_ENTRY

;- Call  C handler
            ldr         r0, =osc32k_pll_c_handler
            mov         r14, pc
            bx          r0


;- Irq exit
irq_exit:
;- Manage Exception Exit
            IRQ_EXIT
    .type   osc32k_pll_asm_handler,$function
    .size   osc32k_pll_asm_handler,.-osc32k_pll_asm_handler

            END