fpu.h revision 1.6.10.3 1 1.6.10.2 tls /* $NetBSD: fpu.h,v 1.6.10.3 2017/12/03 11:36:50 jdolecek Exp $ */
2 1.6.10.2 tls
3 1.6.10.2 tls #ifndef _X86_FPU_H_
4 1.6.10.2 tls #define _X86_FPU_H_
5 1.6.10.2 tls
6 1.6.10.2 tls #include <x86/cpu_extended_state.h>
7 1.6.10.2 tls
8 1.6.10.2 tls #ifdef _KERNEL
9 1.6.10.2 tls
10 1.6.10.2 tls struct cpu_info;
11 1.6.10.2 tls struct lwp;
12 1.6.10.2 tls struct trapframe;
13 1.6.10.2 tls
14 1.6.10.2 tls void fpuinit(struct cpu_info *);
15 1.6.10.3 jdolecek void fpuinit_mxcsr_mask(void);
16 1.6.10.2 tls void fpusave_lwp(struct lwp *, bool);
17 1.6.10.2 tls void fpusave_cpu(bool);
18 1.6.10.2 tls
19 1.6.10.2 tls void fpu_set_default_cw(struct lwp *, unsigned int);
20 1.6.10.2 tls
21 1.6.10.2 tls void fputrap(struct trapframe *);
22 1.6.10.2 tls void fpudna(struct trapframe *);
23 1.6.10.2 tls
24 1.6.10.2 tls void process_xmm_to_s87(const struct fxsave *, struct save87 *);
25 1.6.10.2 tls void process_s87_to_xmm(const struct save87 *, struct fxsave *);
26 1.6.10.2 tls
27 1.6.10.2 tls /* Set all to defaults (eg during exec) */
28 1.6.10.2 tls void fpu_save_area_clear(struct lwp *, unsigned int);
29 1.6.10.2 tls /* Reset control words only - for signal handlers */
30 1.6.10.2 tls void fpu_save_area_reset(struct lwp *);
31 1.6.10.2 tls
32 1.6.10.2 tls /* Copy data outside pcb during fork */
33 1.6.10.2 tls void fpu_save_area_fork(struct pcb *, const struct pcb *);
34 1.6.10.2 tls
35 1.6.10.2 tls /* Load FP registers with user-supplied values */
36 1.6.10.2 tls void process_write_fpregs_xmm(struct lwp *lwp, const struct fxsave *fpregs);
37 1.6.10.2 tls void process_write_fpregs_s87(struct lwp *lwp, const struct save87 *fpregs);
38 1.6.10.2 tls
39 1.6.10.2 tls /* Save FP registers for copy to userspace */
40 1.6.10.2 tls void process_read_fpregs_xmm(struct lwp *lwp, struct fxsave *fpregs);
41 1.6.10.2 tls void process_read_fpregs_s87(struct lwp *lwp, struct save87 *fpregs);
42 1.6.10.2 tls
43 1.6.10.2 tls #endif
44 1.6.10.2 tls
45 1.6.10.2 tls #endif /* _X86_FPU_H_ */
46