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/* $NetBSD: fpu.h,v 1.23 2020/10/24 07:14:29 mgorny Exp $ */
#ifndef _X86_FPU_H_
#define _X86_FPU_H_
#include <x86/cpu_extended_state.h>
#ifdef _KERNEL
struct cpu_info;
struct lwp;
struct trapframe;
void fpuinit(struct cpu_info *);
void fpuinit_mxcsr_mask(void);
void fpu_area_save(void *, uint64_t, bool);
void fpu_area_restore(const void *, uint64_t, bool);
void fpu_save(void);
void fpu_set_default_cw(struct lwp *, unsigned int);
void fputrap(struct trapframe *);
void fpudna(struct trapframe *);
void process_xmm_to_s87(const struct fxsave *, struct save87 *);
void process_s87_to_xmm(const struct save87 *, struct fxsave *);
void fpu_clear(struct lwp *, unsigned int);
void fpu_sigreset(struct lwp *);
void fpu_lwp_fork(struct lwp *, struct lwp *);
void fpu_lwp_abandon(struct lwp *l);
void fpu_kern_enter(void);
void fpu_kern_leave(void);
void process_write_fpregs_xmm(struct lwp *, const struct fxsave *);
void process_write_fpregs_s87(struct lwp *, const struct save87 *);
void process_read_fpregs_xmm(struct lwp *, struct fxsave *);
void process_read_fpregs_s87(struct lwp *, struct save87 *);
int process_read_xstate(struct lwp *, struct xstate *);
int process_verify_xstate(const struct xstate *);
int process_write_xstate(struct lwp *, const struct xstate *);
#endif
#endif /* _X86_FPU_H_ */
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