00001 /***************************************************************************** 00002 00003 The following code is derived, directly or indirectly, from the SystemC 00004 source code Copyright (c) 1996-2006 by all Contributors. 00005 All Rights reserved. 00006 00007 The contents of this file are subject to the restrictions and limitations 00008 set forth in the SystemC Open Source License Version 2.4 (the "License"); 00009 You may not use this file except in compliance with such restrictions and 00010 limitations. You may obtain instructions on how to receive a copy of the 00011 License at http://www.systemc.org/. Software distributed by Contributors 00012 under the License is distributed on an "AS IS" basis, WITHOUT WARRANTY OF 00013 ANY KIND, either express or implied. See the License for the specific 00014 language governing rights and limitations under the License. 00015 00016 *****************************************************************************/ 00017 00018 /***************************************************************************** 00019 00020 sc_macros.h -- Miscellaneous definitions that are needed by the headers. 00021 00022 Original Author: Stan Y. Liao, Synopsys, Inc. 00023 00024 *****************************************************************************/ 00025 00026 /***************************************************************************** 00027 00028 MODIFICATION LOG - modifiers, enter your name, affiliation, date and 00029 changes you are making here. 00030 00031 Name, Affiliation, Date: 00032 Description of Modification: 00033 00034 *****************************************************************************/ 00035 00036 // $Log: sc_macros.h,v $ 00037 // Revision 1.1.1.1 2006/12/15 20:31:37 acg 00038 // SystemC 2.2 00039 // 00040 // Revision 1.3 2006/01/13 18:44:29 acg 00041 // Added $Log to record CVS changes into the source. 00042 // 00043 00044 #ifndef SC_MACROS_H 00045 #define SC_MACROS_H 00046 00047 00048 namespace sc_dt { 00049 00050 template <class T> 00051 inline 00052 const T 00053 sc_min( const T& a, const T& b ) 00054 { 00055 return ( ( a <= b ) ? a : b ); 00056 } 00057 00058 template <class T> 00059 inline 00060 const T 00061 sc_max( const T& a, const T& b ) 00062 { 00063 return ( ( a >= b ) ? a : b ); 00064 } 00065 00066 template <class T> 00067 inline 00068 const T 00069 sc_abs( const T& a ) 00070 { 00071 // return ( a >= 0 ? a : -a ); 00072 // the code below is functionaly the same as the code above; the 00073 // difference is that the code below works for all arithmetic 00074 // SystemC datatypes. 00075 T z( a ); 00076 z = 0; 00077 if( a >= z ) { 00078 return a; 00079 } else { 00080 T c( a ); 00081 c = -a; 00082 return c; 00083 } 00084 } 00085 00086 } // namespace sc_dt 00087 00088 namespace sc_core { 00089 00090 00091 #if defined(__GNUC__) && defined(USE_RTTI) 00092 #define HAVE_CAST_OPERATORS 00093 #endif 00094 00095 00096 #if defined(__GNUC__) 00097 // 10.3.5 - Some compilers (e.g. K&A C++) do not support the 00098 // construct in which a virtual function defined in a subclass returns 00099 // a pointer or reference to a class D whereas the declaration of the 00100 // same virtual function in the base class returns a pointer or 00101 // reference to a base class B of D. 00102 #define ANSI_VIRTUAL_RETURN_INHERITED_TYPE 00103 #endif 00104 00105 00106 /* 00107 * Note that sc_get_curr_simcontext() may also be a member 00108 * of sc_module. The idea is that if we are inside an sc_module, 00109 * then its associated simcontext should always be the current 00110 * simcontext. 00111 */ 00112 00113 #define W_BEGIN \ 00114 do { \ 00115 sc_watch __aux_watch( sc_get_curr_simcontext() ); 00116 00117 #define W_DO \ 00118 try { \ 00119 __watching_first( __aux_watch.cthread_h ); 00120 00121 #define W_ESCAPE \ 00122 } \ 00123 catch( int sc_level ) { \ 00124 __sanitycheck_watchlists( __aux_watch.cthread_h ); \ 00125 if( sc_level < __watch_level( __aux_watch.cthread_h ) ) { \ 00126 throw sc_level; \ 00127 } 00128 00129 #define W_END \ 00130 } \ 00131 } while( false ); 00132 00133 00134 /* 00135 * These help debugging -- 00136 * -- user can find out where each process is stopped at. 00137 */ 00138 00139 #define WAIT() \ 00140 sc_set_location( __FILE__, __LINE__ ); \ 00141 wait() 00142 00143 #define WAITN(n) \ 00144 sc_set_location( __FILE__, __LINE__ ); \ 00145 wait(n) 00146 00147 #define WAIT_UNTIL(expr) \ 00148 sc_set_location( __FILE__, __LINE__ ); \ 00149 do { wait(); } while( !(expr) ) 00150 00151 } // namespace sc_core 00152 00153 #endif
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