331 static void __convert_from_fxsr(struct user_i387_ia32_struct *env,  in __convert_from_fxsr()  argument
335 	struct _fpreg *to = (struct _fpreg *) &env->st_space[0];  in __convert_from_fxsr()
339 	env->cwd = fxsave->cwd | 0xffff0000u;  in __convert_from_fxsr()
340 	env->swd = fxsave->swd | 0xffff0000u;  in __convert_from_fxsr()
341 	env->twd = twd_fxsr_to_i387(fxsave);  in __convert_from_fxsr()
344 	env->fip = fxsave->rip;  in __convert_from_fxsr()
345 	env->foo = fxsave->rdp;  in __convert_from_fxsr()
350 	env->fcs = task_pt_regs(tsk)->cs;  in __convert_from_fxsr()
352 		savesegment(ds, env->fos);  in __convert_from_fxsr()
354 		env->fos = tsk->thread.ds;  in __convert_from_fxsr()
356 	env->fos |= 0xffff0000;  in __convert_from_fxsr()
358 	env->fip = fxsave->fip;  in __convert_from_fxsr()
359 	env->fcs = (u16) fxsave->fcs | ((u32) fxsave->fop << 16);  in __convert_from_fxsr()
360 	env->foo = fxsave->foo;  in __convert_from_fxsr()
361 	env->fos = fxsave->fos;  in __convert_from_fxsr()
369 convert_from_fxsr(struct user_i387_ia32_struct *env, struct task_struct *tsk)  in convert_from_fxsr()  argument
371 	__convert_from_fxsr(env, tsk, &tsk->thread.fpu.fpstate->regs.fxsave);  in convert_from_fxsr()
375 		     const struct user_i387_ia32_struct *env)  in convert_to_fxsr()  argument
378 	struct _fpreg *from = (struct _fpreg *) &env->st_space[0];  in convert_to_fxsr()
382 	fxsave->cwd = env->cwd;  in convert_to_fxsr()
383 	fxsave->swd = env->swd;  in convert_to_fxsr()
384 	fxsave->twd = twd_i387_to_fxsr(env->twd);  in convert_to_fxsr()
385 	fxsave->fop = (u16) ((u32) env->fcs >> 16);  in convert_to_fxsr()
387 	fxsave->rip = env->fip;  in convert_to_fxsr()
388 	fxsave->rdp = env->foo;  in convert_to_fxsr()
391 	fxsave->fip = env->fip;  in convert_to_fxsr()
392 	fxsave->fcs = (env->fcs & 0xffff);  in convert_to_fxsr()
393 	fxsave->foo = env->foo;  in convert_to_fxsr()
394 	fxsave->fos = env->fos;  in convert_to_fxsr()
405 	struct user_i387_ia32_struct env;  in fpregs_get()  local
428 	__convert_from_fxsr(&env, target, fx);  in fpregs_get()
429 	return membuf_write(&to, &env, sizeof(env));  in fpregs_get()
437 	struct user_i387_ia32_struct env;  in fpregs_set()  local
447 	ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, &env, 0, -1);  in fpregs_set()
454 		convert_to_fxsr(&fpu->fpstate->regs.fxsave, &env);  in fpregs_set()
456 		memcpy(&fpu->fpstate->regs.fsave, &env, sizeof(env));  in fpregs_set()