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.

Returns:

EOK if registration worked; otherwise, an error code.

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