xref: /openbsd/sys/arch/hppa/include/fpu.h (revision 5009ea5f)
1 /*	$OpenBSD: fpu.h,v 1.4 2011/01/08 23:02:04 deraadt Exp $	*/
2 
3 /*
4  * Copyright (c) 2010 Joel Sing <jsing@openbsd.org>
5  *
6  * Permission to use, copy, modify, and distribute this software for any
7  * purpose with or without fee is hereby granted, provided that the above
8  * copyright notice and this permission notice appear in all copies.
9  *
10  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17  */
18 
19 #ifndef _MACHINE_FPU_H_
20 #define _MACHINE_FPU_H_
21 
22 #include <machine/cpu.h>
23 #include <machine/reg.h>
24 
25 struct hppa_fpstate {
26 	struct fpreg hfp_regs;
27 	volatile struct cpu_info *hfp_cpu;	/* CPU which FPU state is on. */
28 };
29 
30 struct proc;
31 
32 void	fpu_proc_flush(struct proc *);
33 void	fpu_proc_save(struct proc *);
34 void	fpu_cpu_save(int);
35 
36 #endif /* _MACHINE_FPU_H_ */
37