36 #include <asm/fpu.h>
47 /* Make sure we will not lose FPU ownership */
54 /* Assembly functions to move context to/from the FPU */
88 	struct _ctx_layout fpu;  member
114 		    __put_user(get_fpr64(&current->thread.fpu.fpr[i], 0),  in copy_fpu_to_sigcontext()
117 	err |= __put_user(current->thread.fpu.fcc, fcc);  in copy_fpu_to_sigcontext()
118 	err |= __put_user(current->thread.fpu.fcsr, fcsr);  in copy_fpu_to_sigcontext()
134 		set_fpr64(&current->thread.fpu.fpr[i], 0, fpr_val);  in copy_fpu_from_sigcontext()
136 	err |= __get_user(current->thread.fpu.fcc, fcc);  in copy_fpu_from_sigcontext()
137 	err |= __get_user(current->thread.fpu.fcsr, fcsr);  in copy_fpu_from_sigcontext()
151 		err |= __put_user(get_fpr64(&current->thread.fpu.fpr[i], 0),  in copy_lsx_to_sigcontext()
153 		err |= __put_user(get_fpr64(&current->thread.fpu.fpr[i], 1),  in copy_lsx_to_sigcontext()
156 	err |= __put_user(current->thread.fpu.fcc, fcc);  in copy_lsx_to_sigcontext()
157 	err |= __put_user(current->thread.fpu.fcsr, fcsr);  in copy_lsx_to_sigcontext()
173 		set_fpr64(&current->thread.fpu.fpr[i], 0, fpr_val);  in copy_lsx_from_sigcontext()
175 		set_fpr64(&current->thread.fpu.fpr[i], 1, fpr_val);  in copy_lsx_from_sigcontext()
177 	err |= __get_user(current->thread.fpu.fcc, fcc);  in copy_lsx_from_sigcontext()
178 	err |= __get_user(current->thread.fpu.fcsr, fcsr);  in copy_lsx_from_sigcontext()
192 		err |= __put_user(get_fpr64(&current->thread.fpu.fpr[i], 0),  in copy_lasx_to_sigcontext()
194 		err |= __put_user(get_fpr64(&current->thread.fpu.fpr[i], 1),  in copy_lasx_to_sigcontext()
196 		err |= __put_user(get_fpr64(&current->thread.fpu.fpr[i], 2),  in copy_lasx_to_sigcontext()
198 		err |= __put_user(get_fpr64(&current->thread.fpu.fpr[i], 3),  in copy_lasx_to_sigcontext()
201 	err |= __put_user(current->thread.fpu.fcc, fcc);  in copy_lasx_to_sigcontext()
202 	err |= __put_user(current->thread.fpu.fcsr, fcsr);  in copy_lasx_to_sigcontext()
218 		set_fpr64(&current->thread.fpu.fpr[i], 0, fpr_val);  in copy_lasx_from_sigcontext()
220 		set_fpr64(&current->thread.fpu.fpr[i], 1, fpr_val);  in copy_lasx_from_sigcontext()
222 		set_fpr64(&current->thread.fpu.fpr[i], 2, fpr_val);  in copy_lasx_from_sigcontext()
224 		set_fpr64(&current->thread.fpu.fpr[i], 3, fpr_val);  in copy_lasx_from_sigcontext()
226 	err |= __get_user(current->thread.fpu.fcc, fcc);  in copy_lasx_from_sigcontext()
227 	err |= __get_user(current->thread.fpu.fcsr, fcsr);  in copy_lasx_from_sigcontext()
267 	return __put_user(current->thread.fpu.ftop, ftop);  in copy_ftop_to_sigcontext()
274 	return __get_user(current->thread.fpu.ftop, ftop);  in copy_ftop_from_sigcontext()
378 	 * If the signal handler set some FPU exceptions, clear it and  in fcsr_pending()
395 	struct sctx_info __user *info = extctx->fpu.addr;  in protected_save_fpu_context()
410 		err |= __put_user(extctx->fpu.size, &info->size);  in protected_save_fpu_context()
414 		/* Touch the FPU context and try again */  in protected_save_fpu_context()
429 	struct sctx_info __user *info = extctx->fpu.addr;  in protected_restore_fpu_context()
449 		/* Touch the FPU context and try again */  in protected_restore_fpu_context()
705 	else if (extctx->fpu.addr)  in setup_sigcontext()
741 			extctx->fpu.addr = info;  in parse_extcontext()
797 	 * The signal handler may have used FPU; give it up if the program  in restore_sigcontext()
814 	else if (extctx.fpu.addr)  in restore_sigcontext()
882 			new_sp = extframe_alloc(extctx, &extctx->fpu,  in setup_extcontext()