linux-2.6.33/__pabt_svc()(arm) の履歴(No.1)

参照元†

	.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)