vfp_state
union vfp_state vfpstate;
DEFINE(VFP_CPU, offsetof(union vfp_state, hard.cpu));
union vfp_state *vfp = &thread->vfpstate;
memset(vfp, 0, sizeof(union vfp_state));
union vfp_state *vfp = &thread->vfpstate;
union vfp_state *vfp_current_hw_state[NR_CPUS];