API for managing TRAPA handlers More...

Typedefs
typedef void(*	trapa_handler) (trapa_t trap, irq_context_t context, void data)
	The type of a TRAPA handler.

Functions
int	trapa_set_handler (trapa_t trap, trapa_handler hnd, void *data)
	Set or remove a handler for a trapa code.

trapa_handler	trapa_get_handler (trapa_t trap, void **data)
	Get an existing TRAPA handler.

Detailed Description

API for managing TRAPA handlers

This API allows for the setting and retrieving of a handler associated with a particular TRAPA value.

Typedef Documentation

typedef void(* trapa_handler) (trapa_t trap, irq_context_t *context, void *data)

The type of a TRAPA handler.

Parameters

trap	The IRQ that caused the handler to be called.
context	The CPU's context.
data	Arbitrary userdata associated with the handler.

trapa_handler trapa_get_handler	(	trapa_t	trap,
		void **	data )

Get an existing TRAPA handler.

Parameters

trap	The value passed to the trapa opcode.
data	A pointer to a void* which will be filled in with the handler's userdata, or NULL if not interested.

Set or remove a handler for a trapa code.

Parameters

trap	The value passed to the trapa opcode.
hnd	A pointer to the procedure to handle the trap.
data	A pointer that will be passed along to the callback.

Return values

0	On success.