[42] | 1 | /* |
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| 2 | * $Id$ |
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| 3 | * |
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| 4 | * [ Description ] |
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| 5 | * |
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| 6 | */ |
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| 7 | |
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| 8 | #include "Behavioural/include/Signal.h" |
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| 9 | |
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| 10 | |
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| 11 | namespace morpheo { |
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| 12 | namespace behavioural { |
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| 13 | |
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[43] | 14 | #undef FUNCTION |
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| 15 | #define FUNCTION "Signal::link" |
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[62] | 16 | void Signal::link (Signal * signal_dest, |
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| 17 | bool signal_dest_is_port) |
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[42] | 18 | { |
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[43] | 19 | log_printf(FUNC,Behavioural,FUNCTION,"Begin"); |
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| 20 | |
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[62] | 21 | Signal * signal_src = this; |
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[42] | 22 | |
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[62] | 23 | // Test |
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| 24 | if (signal_src ->_is_allocate == false) |
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| 25 | throw (ErrorMorpheo ("<Signal::link> Signal \""+_name+"\", can't map with signal \""+ get_name()+"\", because the first signal is not already allocate.")); |
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| 26 | if (signal_dest->_is_allocate == false) |
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| 27 | throw (ErrorMorpheo ("<Signal::link> Signal \""+_name+"\", can't map with signal \""+signal_dest->get_name()+"\", because the second signal is not already allocate.")); |
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| 28 | if (signal_src ->_is_map_as_src == true) |
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| 29 | throw (ErrorMorpheo ("<Signal::mapping> Can't mapping signal \""+_name+"\" with \""+signal_dest->get_name()+"\", because the first signal is already mapped.")); |
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| 30 | |
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[44] | 31 | // List of all case |
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| 32 | // |
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[62] | 33 | // src dest |
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| 34 | // COMPONENT {IN } ----- {SIG} SIGNAL |
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| 35 | // COMPONENT {OUT} ----- {SIG} SIGNAL |
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[44] | 36 | // |
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[62] | 37 | // COMPONENT {IN } ----- {IN } PORT |
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| 38 | // COMPONENT {OUT} ----- {OUT} PORT |
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[44] | 39 | |
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[62] | 40 | // list valid case |
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| 41 | if (not ( signal_dest_is_port and (((signal_src->_direction == IN ) and (signal_dest->_direction == IN )) or |
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| 42 | ((signal_src->_direction == OUT) and (signal_dest->_direction == OUT )))) and |
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| 43 | not (not signal_dest_is_port and (((signal_src->_direction == IN ) and (signal_dest->_direction == INTERNAL)) or |
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| 44 | ((signal_src->_direction == OUT) and (signal_dest->_direction == INTERNAL))))) |
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| 45 | throw (ErrorMorpheo ("<Signal::link> Signal \""+_name+"\" can't been linked with signal \""+signal_dest->get_name()+"\" : illegal direction ("+toString(signal_src->_direction)+" with "+toString(signal_dest->_direction)+").")); |
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[44] | 46 | |
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[62] | 47 | // update info source |
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| 48 | signal_src ->_connect_to_signal = signal_dest; |
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| 49 | signal_src ->_is_map_as_src = true; |
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| 50 | |
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| 51 | // update info destination |
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| 52 | signal_dest->_connect_from_signal = signal_src; |
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| 53 | signal_dest->_is_map_as_dest = true; |
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[44] | 54 | |
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[65] | 55 | // an internal signal and port can't be a source. |
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| 56 | // also, to fill the connect_to_signal's field |
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| 57 | if ((signal_src->_direction == OUT) and |
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| 58 | (signal_dest->_direction == INTERNAL)) |
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| 59 | { |
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| 60 | signal_dest->_connect_to_signal = signal_src; |
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| 61 | } |
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| 62 | |
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[62] | 63 | // vhdl_testbench : to read an output producte by a internal component |
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| 64 | // TODO : à vérifier !!!!!!!!!!!! |
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| 65 | if ((signal_dest_is_port == true) and |
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| 66 | (signal_src ->_direction == OUT)) |
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| 67 | signal_dest->_sc_signal_map = signal_src ->_sc_signal_map; |
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| 68 | |
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| 69 | connect (signal_dest); |
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[44] | 70 | |
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[43] | 71 | log_printf(FUNC,Behavioural,FUNCTION,"End"); |
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[42] | 72 | }; |
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| 73 | |
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| 74 | }; // end namespace behavioural |
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| 75 | }; // end namespace morpheo |
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