fpu.h revision 1.19 
1/*	$NetBSD: fpu.h,v 1.19 2019/10/12 06:31:03 maxv Exp $	*/
2
3#ifndef	_X86_FPU_H_
4#define	_X86_FPU_H_
5
6#include <x86/cpu_extended_state.h>
7
8#ifdef _KERNEL
9
10struct cpu_info;
11struct lwp;
12struct trapframe;
13
14void fpuinit(struct cpu_info *);
15void fpuinit_mxcsr_mask(void);
16
17void fpu_area_save(void *, uint64_t);
18void fpu_area_restore(void *, uint64_t);
19
20void fpu_save(void);
21
22void fpu_set_default_cw(struct lwp *, unsigned int);
23
24void fputrap(struct trapframe *);
25void fpudna(struct trapframe *);
26
27void fpu_clear(struct lwp *, unsigned int);
28void fpu_sigreset(struct lwp *);
29
30void fpu_lwp_fork(struct lwp *, struct lwp *);
31void fpu_lwp_abandon(struct lwp *l);
32
33void process_write_fpregs_xmm(struct lwp *, const struct fxsave *);
34void process_write_fpregs_s87(struct lwp *, const struct save87 *);
35
36void process_read_fpregs_xmm(struct lwp *, struct fxsave *);
37void process_read_fpregs_s87(struct lwp *, struct save87 *);
38
39int process_read_xstate(struct lwp *, struct xstate *);
40int process_verify_xstate(const struct xstate *);
41int process_write_xstate(struct lwp *, const struct xstate *);
42
43#endif
44
45#endif /* _X86_FPU_H_ */
46