OpenModem/bertos/cpu/arm/hw/vectors_lpc2.S
2014-04-03 22:21:37 +02:00

86 lines
2.8 KiB
ArmAsm

/**
* \file
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*
* \author Francesco Sacchi <batt@develer.com>
*
* \brief NXP LPC2xxx interrupt vectors.
*/
#include <cpu/detect.h>
#include "cfg/cfg_arch.h"
#if defined(ARCH_NIGHTTEST) && (ARCH & ARCH_NIGHTTEST)
/* Avoid errors during nigthly test */
#define __vectors __vectors_lpc2
#endif
/*
* Section 0: Vector table and reset entry.
*/
.section .vectors,"ax",%progbits
.global __vectors
__vectors:
ldr pc, _init /* Reset */
ldr pc, _undef /* Undefined instruction */
ldr pc, _swi /* Software interrupt */
ldr pc, _prefetch_abort /* Prefetch abort */
ldr pc, _data_abort /* Data abort */
#if CPU_ARM_LPC2378
.word 0xb9206e58 /* In LPX2xxx, this location holds the checksum of the previous vectors */
ldr pc, [pc, #-0x120] /* Use VIC */
#else
.word 0xb9205f88 /* In LPX2xxx, this location holds the checksum of the previous vectors */
#if CPU_ARM_LPC2
#warning Check correct VICAddress register for this CPU, default set to 0xFFFFF030
#endif
ldr pc, [pc, #-0xFF0] /* Use VIC */
#endif
ldr pc, _fiq /* Fast interrupt request */
_init:
.word __init
_undef:
.word __undef
_swi:
.word __swi
_prefetch_abort:
.word __prefetch_abort
_data_abort:
.word __data_abort
_fiq:
.word __fiq
.weak __fiq
__fiq:
b __fiq
.ltorg