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| File: [Development] / linux-2.6-xfs / include / asm-arm / Attic / fpstate.h (download)
Revision 1.2, Mon Aug 16 03:52:41 2004 UTC (13 years, 2 months ago) by nathans
Merge up to 2.6.8.1 |
/*
* linux/include/asm-arm/fpstate.h
*
* Copyright (C) 1995 Russell King
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#ifndef __ASM_ARM_FPSTATE_H
#define __ASM_ARM_FPSTATE_H
#define FP_SIZE 35
#ifndef __ASSEMBLY__
/*
* VFP storage area has:
* - FPEXC, FPSCR, FPINST and FPINST2.
* - 16 double precision data registers
* - an implementation-dependant word of state for FLDMX/FSTMX
*
* FPEXC will always be non-zero once the VFP has been used in this process.
*/
struct vfp_hard_struct {
__u64 fpregs[16];
__u32 fpmx_state;
__u32 fpexc;
__u32 fpscr;
/*
* VFP implementation specific state
*/
__u32 fpinst;
__u32 fpinst2;
};
union vfp_state {
struct vfp_hard_struct hard;
};
extern void vfp_flush_thread(union vfp_state *);
extern void vfp_release_thread(union vfp_state *);
struct fp_hard_struct {
unsigned int save[FP_SIZE]; /* as yet undefined */
};
struct fp_soft_struct {
unsigned int save[FP_SIZE]; /* undefined information */
};
union fp_state {
struct fp_hard_struct hard;
struct fp_soft_struct soft;
};
#endif
#endif