487 convert_from_fxsr(struct user_i387_ia32_struct *env, struct task_struct *tsk)  in convert_from_fxsr()  argument
490 	struct _fpreg *to = (struct _fpreg *) &env->st_space[0];  in convert_from_fxsr()
494 	env->cwd = fxsave->cwd | 0xffff0000u;  in convert_from_fxsr()
495 	env->swd = fxsave->swd | 0xffff0000u;  in convert_from_fxsr()
496 	env->twd = twd_fxsr_to_i387(fxsave);  in convert_from_fxsr()
499 	env->fip = fxsave->rip;  in convert_from_fxsr()
500 	env->foo = fxsave->rdp;  in convert_from_fxsr()
505 	env->fcs = task_pt_regs(tsk)->cs;  in convert_from_fxsr()
507 		savesegment(ds, env->fos);  in convert_from_fxsr()
509 		env->fos = tsk->thread.ds;  in convert_from_fxsr()
511 	env->fos |= 0xffff0000;  in convert_from_fxsr()
513 	env->fip = fxsave->fip;  in convert_from_fxsr()
514 	env->fcs = (u16) fxsave->fcs | ((u32) fxsave->fop << 16);  in convert_from_fxsr()
515 	env->foo = fxsave->foo;  in convert_from_fxsr()
516 	env->fos = fxsave->fos;  in convert_from_fxsr()
524 		     const struct user_i387_ia32_struct *env)  in convert_to_fxsr()  argument
528 	struct _fpreg *from = (struct _fpreg *) &env->st_space[0];  in convert_to_fxsr()
532 	fxsave->cwd = env->cwd;  in convert_to_fxsr()
533 	fxsave->swd = env->swd;  in convert_to_fxsr()
534 	fxsave->twd = twd_i387_to_fxsr(env->twd);  in convert_to_fxsr()
535 	fxsave->fop = (u16) ((u32) env->fcs >> 16);  in convert_to_fxsr()
537 	fxsave->rip = env->fip;  in convert_to_fxsr()
538 	fxsave->rdp = env->foo;  in convert_to_fxsr()
541 	fxsave->fip = env->fip;  in convert_to_fxsr()
542 	fxsave->fcs = (env->fcs & 0xffff);  in convert_to_fxsr()
543 	fxsave->foo = env->foo;  in convert_to_fxsr()
544 	fxsave->fos = env->fos;  in convert_to_fxsr()
555 	struct user_i387_ia32_struct env;  in fpregs_get()  local
572 	if (kbuf && pos == 0 && count == sizeof(env)) {  in fpregs_get()
577 	convert_from_fxsr(&env, target);  in fpregs_get()
579 	return user_regset_copyout(&pos, &count, &kbuf, &ubuf, &env, 0, -1);  in fpregs_get()
586 	struct user_i387_ia32_struct env;  in fpregs_set()  local
603 	if (pos > 0 || count < sizeof(env))  in fpregs_set()
604 		convert_from_fxsr(&env, target);  in fpregs_set()
606 	ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, &env, 0, -1);  in fpregs_set()
608 		convert_to_fxsr(target, &env);  in fpregs_set()