trap.h File Reference

Interrupt and exception handling. More...

#include <stdint.h>
#include <arch/irq.h>
#include <sys/cdefs.h>

Go to the source code of this file.

Typedefs
typedef uint8_t	trapa_t
	Type for a code passed to the TRAPA instruction.
typedef void(*	trapa_handler) (trapa_t code, irq_context_t *context, void *data)
	The type of a TRAPA handler.

Functions
int	trapa_set_handler (trapa_t code, trapa_handler hnd, void *data)
	Set or remove a handler for a trapa code.
trapa_handler	trapa_get_handler (trapa_t code, void **data)
	Get an existing TRAPA handler.

Detailed Description

Interrupt and exception handling.

This file contains various definitions and declarations related to handling trap events, as are invoked through the TRAPA instruction.

Author

Falco Girgis

See also

arch/irq.h, dc/asic.h

Todo

• state management, propagation
• TRAPA instruction inline ASM
• document reserved TRAP codes