RTEMS | arm: Improve default exception handling (!198)

Sebastian Huber (@sebhub) gitlab at rtems.org
Wed Aug 28 06:11:58 UTC 2024




Sebastian Huber commented on a discussion on bsps/arm/shared/start/start.S: https://gitlab.rtems.org/rtems/rtos/rtems/-/merge_requests/198#note_111576

 >  bsp_start_hyp_vector_table_begin:
 > -	ldr	pc, .Lhandler_addr_hyp_reset
 > +	udf
 >  	ldr	pc, .Lhandler_addr_hyp_undef
 > -	ldr	pc, .Lhandler_addr_hyp_swi
 > -	ldr	pc, .Lhandler_addr_hyp_prefetch
 > -	ldr	pc, .Lhandler_addr_hyp_abort
 > -	ldr	pc, .Lhandler_addr_hyp_hyp
 > -	ldr	pc, .Lhandler_addr_hyp_irq
 > -	ldr	pc, .Lhandler_addr_hyp_fiq
 > +	udf
 > +	udf
 > +	udf
 > +	udf
 > +	udf
 > +	udf

This vector table is used by the hypervisor mode. If it is used, then this is a fatal error.

-- 
View it on GitLab: https://gitlab.rtems.org/rtems/rtos/rtems/-/merge_requests/198#note_111576
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