45 void save_fpu(struct task_struct *tsk)  in save_fpu()  argument
88 		      :"0"((char *)(&tsk->thread.xstate->hardfpu.status)),  in save_fpu()
95 void restore_fpu(struct task_struct *tsk)  in restore_fpu()  argument
138 		      :"0" (tsk->thread.xstate), "r" (FPSCR_RCHG)  in restore_fpu()
232 		struct task_struct *tsk = current;  in ieee_fpe_handler()  local
234 		if ((tsk->thread.xstate->hardfpu.fpscr & FPSCR_CAUSE_ERROR))  in ieee_fpe_handler()
236 			denormal_to_double(&tsk->thread.xstate->hardfpu,  in ieee_fpe_handler()
245 		struct task_struct *tsk = current;  in ieee_fpe_handler()  local
252 		hx = tsk->thread.xstate->hardfpu.fp_regs[n];  in ieee_fpe_handler()
253 		hy = tsk->thread.xstate->hardfpu.fp_regs[m];  in ieee_fpe_handler()
254 		fpscr = tsk->thread.xstate->hardfpu.fpscr;  in ieee_fpe_handler()
264 			    | tsk->thread.xstate->hardfpu.fp_regs[n + 1];  in ieee_fpe_handler()
266 			    | tsk->thread.xstate->hardfpu.fp_regs[m + 1];  in ieee_fpe_handler()
268 			tsk->thread.xstate->hardfpu.fp_regs[n] = llx >> 32;  in ieee_fpe_handler()
269 			tsk->thread.xstate->hardfpu.fp_regs[n + 1] = llx & 0xffffffff;  in ieee_fpe_handler()
275 			tsk->thread.xstate->hardfpu.fp_regs[n] = hx;  in ieee_fpe_handler()
283 		struct task_struct *tsk = current;  in ieee_fpe_handler()  local
290 		hx = tsk->thread.xstate->hardfpu.fp_regs[n];  in ieee_fpe_handler()
291 		hy = tsk->thread.xstate->hardfpu.fp_regs[m];  in ieee_fpe_handler()
292 		fpscr = tsk->thread.xstate->hardfpu.fpscr;  in ieee_fpe_handler()
302 			    | tsk->thread.xstate->hardfpu.fp_regs[n + 1];  in ieee_fpe_handler()
304 			    | tsk->thread.xstate->hardfpu.fp_regs[m + 1];  in ieee_fpe_handler()
309 			tsk->thread.xstate->hardfpu.fp_regs[n] = llx >> 32;  in ieee_fpe_handler()
310 			tsk->thread.xstate->hardfpu.fp_regs[n + 1] = llx & 0xffffffff;  in ieee_fpe_handler()
319 			tsk->thread.xstate->hardfpu.fp_regs[n] = hx;  in ieee_fpe_handler()
327 		struct task_struct *tsk = current;  in ieee_fpe_handler()  local
334 		hx = tsk->thread.xstate->hardfpu.fp_regs[n];  in ieee_fpe_handler()
335 		hy = tsk->thread.xstate->hardfpu.fp_regs[m];  in ieee_fpe_handler()
336 		fpscr = tsk->thread.xstate->hardfpu.fpscr;  in ieee_fpe_handler()
346 			    | tsk->thread.xstate->hardfpu.fp_regs[n + 1];  in ieee_fpe_handler()
348 			    | tsk->thread.xstate->hardfpu.fp_regs[m + 1];  in ieee_fpe_handler()
352 			tsk->thread.xstate->hardfpu.fp_regs[n] = llx >> 32;  in ieee_fpe_handler()
353 			tsk->thread.xstate->hardfpu.fp_regs[n + 1] = llx & 0xffffffff;  in ieee_fpe_handler()
359 			tsk->thread.xstate->hardfpu.fp_regs[n] = hx;  in ieee_fpe_handler()
367 		struct task_struct *tsk = current;  in ieee_fpe_handler()  local
372 		hx = tsk->thread.xstate->hardfpu.fp_regs[m];  in ieee_fpe_handler()
374 		if ((tsk->thread.xstate->hardfpu.fpscr & FPSCR_CAUSE_ERROR)  in ieee_fpe_handler()
379 			llx = ((long long)tsk->thread.xstate->hardfpu.fp_regs[m] << 32)  in ieee_fpe_handler()
380 			    | tsk->thread.xstate->hardfpu.fp_regs[m + 1];  in ieee_fpe_handler()
382 			tsk->thread.xstate->hardfpu.fpul = float64_to_float32(llx);  in ieee_fpe_handler()
400 	struct task_struct *tsk = current;  in float_rounding_mode()  local
401 	int roundingMode = FPSCR_ROUNDING_MODE(tsk->thread.xstate->hardfpu.fpscr);  in float_rounding_mode()
407 	struct task_struct *tsk = current;  in BUILD_TRAP_HANDLER()  local
410 	__unlazy_fpu(tsk, regs);  in BUILD_TRAP_HANDLER()
413 		tsk->thread.xstate->hardfpu.fpscr &=  in BUILD_TRAP_HANDLER()
415 		tsk->thread.xstate->hardfpu.fpscr |= fpu_exception_flags;  in BUILD_TRAP_HANDLER()
418 		tsk->thread.xstate->hardfpu.fpscr |= (fpu_exception_flags >> 10);  in BUILD_TRAP_HANDLER()
420 		restore_fpu(tsk);  in BUILD_TRAP_HANDLER()
421 		task_thread_info(tsk)->status |= TS_USEDFPU;  in BUILD_TRAP_HANDLER()
422 		if ((((tsk->thread.xstate->hardfpu.fpscr & FPSCR_ENABLE_MASK) >> 7) &  in BUILD_TRAP_HANDLER()
428 	force_sig(SIGFPE, tsk);  in BUILD_TRAP_HANDLER()