guest_instr_register()

Register a callback function to invoke when the guest executes a special instruction

Synopsis:

#include <qvm/guest.h>

int guest_instr_register(vdev_t *vdp,
                         enum guest_instr_type git,
                         unsigned qualifier,
                         guest_instr_callback_func_t *func)

Arguments:

vdp: A pointer to an associated vdev.
git: A guest instruction type (can be ORed with GIT_FLAG_NO_QUALIFIER).
qualifier: The guest instruction qualification; ignored if GIT_FLAG_NO_QUALIFIER is used in git).
func: A pointer to the function to invoke.

Library:

Provided by qvm; no external library is required.

Returns:

EOK if registration worked; otherwise, an error code.