225 convert_from_fxsr(struct user_i387_ia32_struct *env, struct task_struct *tsk)  in convert_from_fxsr()  argument
228 	struct _fpreg *to = (struct _fpreg *) &env->st_space[0];  in convert_from_fxsr()
232 	env->cwd = fxsave->cwd | 0xffff0000u;  in convert_from_fxsr()
233 	env->swd = fxsave->swd | 0xffff0000u;  in convert_from_fxsr()
234 	env->twd = twd_fxsr_to_i387(fxsave);  in convert_from_fxsr()
237 	env->fip = fxsave->rip;  in convert_from_fxsr()
238 	env->foo = fxsave->rdp;  in convert_from_fxsr()
243 	env->fcs = task_pt_regs(tsk)->cs;  in convert_from_fxsr()
245 		savesegment(ds, env->fos);  in convert_from_fxsr()
247 		env->fos = tsk->thread.ds;  in convert_from_fxsr()
249 	env->fos |= 0xffff0000;  in convert_from_fxsr()
251 	env->fip = fxsave->fip;  in convert_from_fxsr()
252 	env->fcs = (u16) fxsave->fcs | ((u32) fxsave->fop << 16);  in convert_from_fxsr()
253 	env->foo = fxsave->foo;  in convert_from_fxsr()
254 	env->fos = fxsave->fos;  in convert_from_fxsr()
262 		     const struct user_i387_ia32_struct *env)  in convert_to_fxsr()  argument
265 	struct _fpreg *from = (struct _fpreg *) &env->st_space[0];  in convert_to_fxsr()
269 	fxsave->cwd = env->cwd;  in convert_to_fxsr()
270 	fxsave->swd = env->swd;  in convert_to_fxsr()
271 	fxsave->twd = twd_i387_to_fxsr(env->twd);  in convert_to_fxsr()
272 	fxsave->fop = (u16) ((u32) env->fcs >> 16);  in convert_to_fxsr()
274 	fxsave->rip = env->fip;  in convert_to_fxsr()
275 	fxsave->rdp = env->foo;  in convert_to_fxsr()
278 	fxsave->fip = env->fip;  in convert_to_fxsr()
279 	fxsave->fcs = (env->fcs & 0xffff);  in convert_to_fxsr()
280 	fxsave->foo = env->foo;  in convert_to_fxsr()
281 	fxsave->fos = env->fos;  in convert_to_fxsr()
292 	struct user_i387_ia32_struct env;  in fpregs_get()  local
306 	if (to.left == sizeof(env)) {  in fpregs_get()
311 	convert_from_fxsr(&env, target);  in fpregs_get()
312 	return membuf_write(&to, &env, sizeof(env));  in fpregs_get()
320 	struct user_i387_ia32_struct env;  in fpregs_set()  local
334 	if (pos > 0 || count < sizeof(env))  in fpregs_set()
335 		convert_from_fxsr(&env, target);  in fpregs_set()
337 	ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, &env, 0, -1);  in fpregs_set()
339 		convert_to_fxsr(&target->thread.fpu.state.fxsave, &env);  in fpregs_set()