URL https://opencores.org/ocsvn/neorv32/neorv32/trunk

Subversion Repositories neorv32

[/] [neorv32/] [trunk/] [docs/] [datasheet/] [software.adoc] - Diff between revs 67 and 68

Rev 67	Rev 68
Line 586...	Line 586...
`is intended as a fall-back for debugging or for accidentally-triggered exceptions/interrupts.`	`is intended as a fall-back for debugging or for accidentally-triggered exceptions/interrupts.`
`For instance, an illegal instruction exception caught by the RTE debug handler might look like this in the UART0 output:`	`For instance, an illegal instruction exception caught by the RTE debug handler might look like this in the UART0 output:`

`[source]`	`[source]`
`----`	`----`
`Illegal instruction @0x000002d6, MTVAL=0x00001537`	`Illegal instruction @ PC=0x000002d6, MTVAL=0x00001537`
	`----`

	`For bus access faults the RTE also outputs the error code from the <<_internal_bus_monitor_buskeeper>>`
	`to show the cause of the access fault. Two example are shown below.`

	`[source]`
	`----`
	`Load access fault [TIMEOUT_ERR] @ PC=0x00000150, MTVAL=0xFFFFFF70`
	`Store access fault [DEVICE_ERR] @ PC=0x00000162, MTVAL=0xF0000000`
`----`	`----`

`To install the actual application's trap handlers the NEORV32 RTE provides functions for installing and`	`To install the actual application's trap handlers the NEORV32 RTE provides functions for installing and`
`un-installing trap handler for each implemented exception/interrupt source.`	`un-installing trap handler for each implemented exception/interrupt source.`