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/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (C) 1994 Linus Torvalds
*
* Pentium III FXSR, SSE support
* General FPU state handling cleanups
* Gareth Hughes <gareth@valinux.com>, May 2000
* x86-64 work by Andi Kleen 2002
*/
#ifndef _ASM_X86_FPU_INTERNAL_H
#define _ASM_X86_FPU_INTERNAL_H
#include <linux/compat.h>
#include <linux/sched.h>
#include <linux/slab.h>
#include <linux/mm.h>
#include <asm/user.h>
#include <asm/fpu/api.h>
#include <asm/fpu/xstate.h>
#include <asm/fpu/xcr.h>
#include <asm/cpufeature.h>
#include <asm/trace/fpu.h>
/*
* High level FPU state handling functions:
*/
extern bool fpu__restore_sig(void __user *buf, int ia32_frame);
extern void fpu__clear_user_states(struct fpu *fpu);
extern int fpu__exception_code(struct fpu *fpu, int trap_nr);
extern void fpu_sync_fpstate(struct fpu *fpu);
/*
* Boot time FPU initialization functions:
*/
extern void fpu__init_cpu(void);
extern void fpu__init_system_xstate(void);
extern void fpu__init_cpu_xstate(void);
extern void fpu__init_system(struct cpuinfo_x86 *c);
extern void fpu__init_check_bugs(void);
extern void fpu__resume_cpu(void);
extern void restore_fpregs_from_fpstate(union fpregs_state *fpstate, u64 mask);
extern bool copy_fpstate_to_sigframe(void __user *buf, void __user *fp, int size);
DECLARE_PER_CPU(struct fpu *, fpu_fpregs_owner_ctx);
#endif /* _ASM_X86_FPU_INTERNAL_H */
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