linux/arch/x86/kernel/fpu/legacy.h

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __X86_KERNEL_FPU_LEGACY_H
#define __X86_KERNEL_FPU_LEGACY_H

#include <asm/fpu/types.h>

extern unsigned int mxcsr_feature_mask;

static inline void ldmxcsr(u32 mxcsr)
{ … }

/*
 * Returns 0 on success or the trap number when the operation raises an
 * exception.
 */
#define user_insn(insn, output, input...) …

#define kernel_insn_err(insn, output, input...) …

#define kernel_insn(insn, output, input...) …

static inline int fnsave_to_user_sigframe(struct fregs_state __user *fx)
{ … }

static inline int fxsave_to_user_sigframe(struct fxregs_state __user *fx)
{ … }

static inline void fxrstor(struct fxregs_state *fx)
{ … }

static inline int fxrstor_safe(struct fxregs_state *fx)
{ … }

static inline int fxrstor_from_user_sigframe(struct fxregs_state __user *fx)
{ … }

static inline void frstor(struct fregs_state *fx)
{ … }

static inline int frstor_safe(struct fregs_state *fx)
{ … }

static inline int frstor_from_user_sigframe(struct fregs_state __user *fx)
{ … }

static inline void fxsave(struct fxregs_state *fx)
{ … }

#endif