参照元

説明

引数

返り値

参考

実装

	.align	5
__pabt_svc:
	svc_entry
	@
	@ re-enable interrupts if appropriate
	@
	mrs	r9, cpsr
	tst	r3, #PSR_I_BIT
	biceq	r9, r9, #PSR_I_BIT
	mov	r0, r2			@ pass address of aborted instruction.
#ifdef MULTI_PABORT
	ldr	r4, .LCprocfns
	mov	lr, pc
	ldr	pc, [r4, #PROCESSOR_PABT_FUNC]
#else
	bl	CPU_PABORT_HANDLER
#endif
	msr	cpsr_c, r9			@ Maybe enable interrupts
	mov	r2, sp				@ regs
	bl	do_PrefetchAbort		@ call abort handler
	@
	@ IRQs off again before pulling preserved data off the stack
	@
	disable_irq
	@
	@ restore SPSR and restart the instruction
	@
	ldr	r2, [sp, #S_PSR]
	svc_exit r2				@ return from exception
 UNWIND(.fnend		)
ENDPROC(__pabt_svc)

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