1 /* 2 * Copyright 2005, Ingo Weinhold <bonefish@cs.tu-berlin.de>. 3 * Copyright 2006-2011, Haiku, Inc. All Rights Reserved. 4 * All rights reserved. Distributed under the terms of the MIT License. 5 * 6 * Authors: 7 * Ingo Weinhold, bonefish@cs.tu-berlin.de 8 * Alexander von Gluck, kallisti5@unixzen.com 9 */ 10 11 12 #include "support.h" 13 #include <platform/openfirmware/openfirmware.h> 14 15 16 bigtime_t 17 system_time(void) 18 { 19 int result = of_milliseconds(); 20 return (result == OF_FAILED ? 0 : bigtime_t(result) * 1000); 21 } 22 23 24 /** given the package provided, get the number of cells 25 + in the reg property 26 + */ 27 28 int32 29 of_address_cells(intptr_t package) { 30 uint32 address_cells; 31 if (of_getprop(package, "#address-cells", 32 &address_cells, sizeof(address_cells)) == OF_FAILED) 33 return OF_FAILED; 34 35 return address_cells; 36 } 37 38 39 int32 40 of_size_cells(intptr_t package) { 41 uint32 size_cells; 42 if (of_getprop(package, "#size-cells", 43 &size_cells, sizeof(size_cells)) == OF_FAILED) 44 return OF_FAILED; 45 46 return size_cells; 47 } 48 49 50