3 /*-
4  * SPDX-License-Identifier:BSD-4-Clause AND BSD-2-Clause
35 /*-
185  * In order to disable the use of OFW FrameBuffer and fallback to the
187  * hw.ofwfb.disable=1
189  * To disable the use of FDT (that doesn't support OFW read/write methods)
201  * For instance, to disable a xhci controller and an USB keyboard connected
274 	 * fit into a 32-bit address space and accessed from real mode.  in ofw_real_bounce_alloc()
290 	 * For virtual-mode OF, direct map this physical address so that  in ofw_real_bounce_alloc()
291 	 * we have a 32-bit virtual address to give OF.  in ofw_real_bounce_alloc()
310 		 * If we haven't set up the MMU, then buf is guaranteed  in ofw_real_map()
319 		 * come online, but after the MMU is up. We don't have the  in ofw_real_map()
321 		 * Copy into the emergency buffer, and reset at the end.  in ofw_real_map()
333 	of_bounce_offset += sizeof(register_t) -  in ofw_real_map()
364 	memcpy(buf,of_bounce_virt + (physaddr - of_bounce_phys),len);  in ofw_real_unmap()
419 	if (args.service == 0 || openfirmware((void *)argsptr) == -1) {  in ofw_real_test()
421 		return (-1);  in ofw_real_test()
452 	if (openfirmware((void *)argsptr) == -1) {  in ofw_real_peer()
481 	if (openfirmware((void *)argsptr) == -1) {  in ofw_real_child()
510 	if (openfirmware((void *)argsptr) == -1) {  in ofw_real_parent()
532 	args.name = IN((cell_t)(uintptr_t)"instance-to-package");  in ofw_real_instance_to_package()
539 	if (openfirmware((void *)argsptr) == -1) {  in ofw_real_instance_to_package()
541 		return (-1);  in ofw_real_instance_to_package()
571 	if (args.propname == 0 || openfirmware((void *)argsptr) == -1) {  in ofw_real_getproplen()
573 		return (-1);  in ofw_real_getproplen()
609 	    openfirmware((void *)argsptr) == -1) {  in ofw_real_getprop()
611 		return (-1);  in ofw_real_getprop()
646 	if (args.buf == 0 || openfirmware((void *)argsptr) == -1) {  in ofw_real_nextprop()
648 		return (-1);  in ofw_real_nextprop()
687 	    openfirmware((void *)argsptr) == -1) {  in ofw_real_setprop()
689 		return (-1);  in ofw_real_setprop()
722 	    openfirmware((void *)argsptr) == -1) {  in ofw_real_canon()
724 		return (-1);  in ofw_real_canon()
755 	    openfirmware((void *)argsptr) == -1) {  in ofw_real_finddevice()
757 		return (-1);  in ofw_real_finddevice()
779 	args.name = IN((cell_t)(uintptr_t)"instance-to-path");  in ofw_real_instance_to_path()
790 	    openfirmware((void *)argsptr) == -1) {  in ofw_real_instance_to_path()
792 		return (-1);  in ofw_real_instance_to_path()
816 	args.name = IN((cell_t)(uintptr_t)"package-to-path");  in ofw_real_package_to_path()
827 	    openfirmware((void *)argsptr) == -1) {  in ofw_real_package_to_path()
829 		return (-1);  in ofw_real_package_to_path()
855 	args.name = IN((cell_t)(uintptr_t)"call-method");  in ofw_real_call_method()
860 		return (-1);  in ofw_real_call_method()
869 	for (cp = args.args_n_results + (n = nargs); --n >= 0;)  in ofw_real_call_method()
870 		*--cp = IN(*(ap++));  in ofw_real_call_method()
873 	    openfirmware((void *)argsptr) == -1) {  in ofw_real_call_method()
875 		return (-1);  in ofw_real_call_method()
881 	for (cp = args.args_n_results + nargs + (n = OUT(args.nreturns)); --n > 0;)  in ofw_real_call_method()
882 		*(ap++) = OUT(*--cp);  in ofw_real_call_method()
906 	if (openfirmware((void *)argsptr) == -1) {  in ofw_real_interpret()
908 		return (-1);  in ofw_real_interpret()
943 	if (args.device == 0 || openfirmware((void *)argsptr) == -1   in ofw_real_open()
946 		return (-1);  in ofw_real_open()
1000 	if (args.addr == 0 || openfirmware((void *)argsptr) == -1) {  in ofw_real_read()
1002 		return (-1);  in ofw_real_read()
1036 	if (args.addr == 0 || openfirmware((void *)argsptr) == -1) {  in ofw_real_write()
1038 		return (-1);  in ofw_real_write()
1069 	if (openfirmware((void *)argsptr) == -1) {  in ofw_real_seek()
1071 		return (-1);  in ofw_real_seek()
1106 	if (openfirmware((void *)argsptr) == -1) {  in ofw_real_claim()
1108 		return ((void *)-1);  in ofw_real_claim()