2 * linux/include/asm-arm/fpstate.h
4 * Copyright (C) 1995 Russell King
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
11 #ifndef __ASM_ARM_FPSTATE_H
12 #define __ASM_ARM_FPSTATE_H
19 * VFP storage area has:
20 * - FPEXC, FPSCR, FPINST and FPINST2.
21 * - 16 double precision data registers
22 * - an implementation-dependant word of state for FLDMX/FSTMX
24 * FPEXC will always be non-zero once the VFP has been used in this process.
27 struct vfp_hard_struct {
33 * VFP implementation specific state
40 struct vfp_hard_struct hard;
43 extern void vfp_flush_thread(union vfp_state *);
44 extern void vfp_release_thread(union vfp_state *);
46 struct fp_hard_struct {
47 unsigned int save[FP_SIZE]; /* as yet undefined */
50 struct fp_soft_struct {
51 unsigned int save[FP_SIZE]; /* undefined information */
55 struct fp_hard_struct hard;
56 struct fp_soft_struct soft;