249 static void __convert_from_fxsr(struct user_i387_ia32_struct *env,  in __convert_from_fxsr()  argument
253 	struct _fpreg *to = (struct _fpreg *) &env->st_space[0];  in __convert_from_fxsr()
257 	env->cwd = fxsave->cwd | 0xffff0000u;  in __convert_from_fxsr()
258 	env->swd = fxsave->swd | 0xffff0000u;  in __convert_from_fxsr()
259 	env->twd = twd_fxsr_to_i387(fxsave);  in __convert_from_fxsr()
262 	env->fip = fxsave->rip;  in __convert_from_fxsr()
263 	env->foo = fxsave->rdp;  in __convert_from_fxsr()
268 	env->fcs = task_pt_regs(tsk)->cs;  in __convert_from_fxsr()
270 		savesegment(ds, env->fos);  in __convert_from_fxsr()
272 		env->fos = tsk->thread.ds;  in __convert_from_fxsr()
274 	env->fos |= 0xffff0000;  in __convert_from_fxsr()
276 	env->fip = fxsave->fip;  in __convert_from_fxsr()
277 	env->fcs = (u16) fxsave->fcs | ((u32) fxsave->fop << 16);  in __convert_from_fxsr()
278 	env->foo = fxsave->foo;  in __convert_from_fxsr()
279 	env->fos = fxsave->fos;  in __convert_from_fxsr()
287 convert_from_fxsr(struct user_i387_ia32_struct *env, struct task_struct *tsk)  in convert_from_fxsr()  argument
289 	__convert_from_fxsr(env, tsk, &tsk->thread.fpu.fpstate->regs.fxsave);  in convert_from_fxsr()
293 		     const struct user_i387_ia32_struct *env)  in convert_to_fxsr()  argument
296 	struct _fpreg *from = (struct _fpreg *) &env->st_space[0];  in convert_to_fxsr()
300 	fxsave->cwd = env->cwd;  in convert_to_fxsr()
301 	fxsave->swd = env->swd;  in convert_to_fxsr()
302 	fxsave->twd = twd_i387_to_fxsr(env->twd);  in convert_to_fxsr()
303 	fxsave->fop = (u16) ((u32) env->fcs >> 16);  in convert_to_fxsr()
305 	fxsave->rip = env->fip;  in convert_to_fxsr()
306 	fxsave->rdp = env->foo;  in convert_to_fxsr()
309 	fxsave->fip = env->fip;  in convert_to_fxsr()
310 	fxsave->fcs = (env->fcs & 0xffff);  in convert_to_fxsr()
311 	fxsave->foo = env->foo;  in convert_to_fxsr()
312 	fxsave->fos = env->fos;  in convert_to_fxsr()
323 	struct user_i387_ia32_struct env;  in fpregs_get()  local
346 	__convert_from_fxsr(&env, target, fx);  in fpregs_get()
347 	return membuf_write(&to, &env, sizeof(env));  in fpregs_get()
355 	struct user_i387_ia32_struct env;  in fpregs_set()  local
365 	ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, &env, 0, -1);  in fpregs_set()
372 		convert_to_fxsr(&fpu->fpstate->regs.fxsave, &env);  in fpregs_set()
374 		memcpy(&fpu->fpstate->regs.fsave, &env, sizeof(env));  in fpregs_set()