77 		return membuf_write(&to, &fpu->state.fxsave,  in xfpregs_get()
78 				    sizeof(fpu->state.fxsave));  in xfpregs_get()
113 	memcpy(&fpu->state.fxsave, &newstate, sizeof(newstate));  in xfpregs_set()
116 	BUILD_BUG_ON(sizeof(fpu->state.fxsave.xmm_space) != 16 * 16);  in xfpregs_set()
117 	memset(&fpu->state.fxsave.xmm_space[8], 0, 8 * 16);  in xfpregs_set()
201 static inline u32 twd_fxsr_to_i387(struct fxregs_state *fxsave)  in twd_fxsr_to_i387()  argument
204 	u32 tos = (fxsave->swd >> 11) & 7;  in twd_fxsr_to_i387()
205 	u32 twd = (unsigned long) fxsave->twd;  in twd_fxsr_to_i387()
212 			st = FPREG_ADDR(fxsave, (i - tos) & 7);  in twd_fxsr_to_i387()
248 				struct fxregs_state *fxsave)  in __convert_from_fxsr()  argument
251 	struct _fpxreg *from = (struct _fpxreg *) &fxsave->st_space[0];  in __convert_from_fxsr()
254 	env->cwd = fxsave->cwd | 0xffff0000u;  in __convert_from_fxsr()
255 	env->swd = fxsave->swd | 0xffff0000u;  in __convert_from_fxsr()
256 	env->twd = twd_fxsr_to_i387(fxsave);  in __convert_from_fxsr()
259 	env->fip = fxsave->rip;  in __convert_from_fxsr()
260 	env->foo = fxsave->rdp;  in __convert_from_fxsr()
273 	env->fip = fxsave->fip;  in __convert_from_fxsr()
274 	env->fcs = (u16) fxsave->fcs | ((u32) fxsave->fop << 16);  in __convert_from_fxsr()
275 	env->foo = fxsave->foo;  in __convert_from_fxsr()
276 	env->fos = fxsave->fos;  in __convert_from_fxsr()
286 	__convert_from_fxsr(env, tsk, &tsk->thread.fpu.state.fxsave);  in convert_from_fxsr()
289 void convert_to_fxsr(struct fxregs_state *fxsave,  in convert_to_fxsr()  argument
294 	struct _fpxreg *to = (struct _fpxreg *) &fxsave->st_space[0];  in convert_to_fxsr()
297 	fxsave->cwd = env->cwd;  in convert_to_fxsr()
298 	fxsave->swd = env->swd;  in convert_to_fxsr()
299 	fxsave->twd = twd_i387_to_fxsr(env->twd);  in convert_to_fxsr()
300 	fxsave->fop = (u16) ((u32) env->fcs >> 16);  in convert_to_fxsr()
302 	fxsave->rip = env->fip;  in convert_to_fxsr()
303 	fxsave->rdp = env->foo;  in convert_to_fxsr()
306 	fxsave->fip = env->fip;  in convert_to_fxsr()
307 	fxsave->fcs = (env->fcs & 0xffff);  in convert_to_fxsr()
308 	fxsave->foo = env->foo;  in convert_to_fxsr()
309 	fxsave->fos = env->fos;  in convert_to_fxsr()
321 	struct fxregs_state fxsave, *fx;  in fpregs_get()  local
334 		struct membuf mb = { .p = &fxsave, .left = sizeof(fxsave) };  in fpregs_get()
338 		fx = &fxsave;  in fpregs_get()
340 		fx = &fpu->state.fxsave;  in fpregs_get()
369 		convert_to_fxsr(&fpu->state.fxsave, &env);  in fpregs_set()