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source: trunk/IPs/systemC/processor/Morpheo/Behavioural/include/Signal.h @ 81

Last change on this file since 81 was 81, checked in by rosiere, 16 years ago
Finish Environment (and test) Continue predictor_unit Add external tools svn keyword "Id" set
Property svn:keywords set to `Id`
File size: 8.6 KB

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1	#ifndef morpheo_behavioural_Signal_h
2	#define morpheo_behavioural_Signal_h
3
4	/*
5	* $Id: Signal.h 81 2008-04-15 18:40:01Z rosiere $
6	*
7	* [ Description ]
8	*
9	*/
10
11	#ifdef SYSTEMC
12	#include "systemc.h"
13	#endif
14
15	#include <stdint.h>
16	#include <iostream>
17
18	#ifdef VHDL
19	#include "Behavioural/include/Vhdl.h"
20	#endif
21
22	#include "Behavioural/include/Parameters.h"
23	#include "Behavioural/include/Direction.h"
24	#include "Behavioural/include/XML.h"
25	#include "Common/include/ErrorMorpheo.h"
26	#include "Common/include/ToBase2.h"
27	#include "Common/include/ToString.h"
28	#include "Common/include/Debug.h"
29
30	namespace morpheo {
31	namespace behavioural {
32
33	typedef enum {UNKNOW ,
34	BOOL ,
35	UINT8_T ,
36	UINT16_T ,
37	UINT32_T ,
38	UINT64_T } type_info_t;
39
40	typedef enum {PORT_VHDL_YES_TESTBENCH_YES,
41	PORT_VHDL_YES_TESTBENCH_NO ,
42	PORT_VHDL_NO_TESTBENCH_YES ,
43	PORT_VHDL_NO_TESTBENCH_NO ,
44	CLOCK_VHDL_YES ,
45	CLOCK_VHDL_NO ,
46	RESET_VHDL_YES ,
47	RESET_VHDL_NO } presence_port_t;
48
49	class Signal
50	{
51	friend class Interface;
52
53	// -----[ fields ]----------------------------------------------------
54	private : const std::string _name ;
55	private : const direction_t _direction ;
56	private : const presence_port_t _presence_port ;
57	private : uint32_t _size ;
58
59	private : Signal * _connect_to_signal ; // the actual implementaion, this signal link with one signal (but if signal is an output, it can be connect with many signal ...)
60	private : Signal * _connect_from_signal ; // producter of signal. If NULL, then producteur is the current entity
61	private : bool _is_allocate ; // Have allocate a sc_in or sc_out port
62	private : void * _sc_signal ; // sc_in or sc_out associated at this signal
63	private : void * _sc_signal_map ; // sc_out generated this signal
64	private : bool _is_map_as_toplevel_dest ;
65	private : bool _is_map_as_component_src ;
66	private : bool _is_map_as_component_dest;
67	private : type_info_t _type_info ;
68
69	#ifdef VHDL_TESTBENCH
70	private : std::list<std::string> * _list_value ;
71	#endif
72
73	// -----[ methods ]---------------------------------------------------
74	public : Signal (std::string name ,
75	direction_t direction ,
76	uint32_t size ,
77	presence_port_t presence_port = PORT_VHDL_YES_TESTBENCH_YES);
78	public : Signal (const Signal &);
79	public : ~Signal ();
80
81	public : std::string get_name (void);
82	public : uint32_t get_size (void);
83	public : void set_size (uint32_t size);
84	public : void set_size_max (uint32_t size);
85
86	public : Signal * get_connect_to_signal (void);
87	public : Signal * get_connect_from_signal (void);
88	public : direction_t get_direction (void);
89	public : type_info_t get_type_info (void);
90
91	public : bool presence_vhdl (void);
92	public : bool presence_testbench (void);
93
94	public : bool test_map (uint32_t depth, bool top_level);
95
96	public : void link (Signal * signal_dest,
97	bool signal_dest_is_port);
98
99	public : void connect (Signal * signal_dest);
100
101	#ifdef SYSTEMC
102	public :template <typename T>
103	T read (void)
104	{
105	switch (_direction)
106	{
107	case IN : {return read_in <T>();}
108	case OUT : {return read_out <T>();}
109	default : throw (ErrorMorpheo ("Signal \""+_name+"\" : direction unknow."));
110	}
111	}
112
113	public :template <typename T>
114	T read_in (void)
115	{
116	switch (_type_info)
117	{
118	case BOOL : return (static_cast<sc_in <bool > *>(_sc_signal_map)->read());
119	case UINT8_T : return (static_cast<sc_in <uint8_t > *>(_sc_signal_map)->read());
120	case UINT16_T : return (static_cast<sc_in <uint16_t> *>(_sc_signal_map)->read());
121	case UINT32_T : return (static_cast<sc_in <uint32_t> *>(_sc_signal_map)->read());
122	case UINT64_T : return (static_cast<sc_in <uint64_t> *>(_sc_signal_map)->read());
123	default : throw (ErrorMorpheo ("Signal \""+_name+"\" : type unknow."));
124	}
125	}
126
127	public :template <typename T>
128	T read_out(void)
129	{
130	switch (_type_info)
131	{
132	case BOOL : return (static_cast<sc_out <bool > *>(_sc_signal_map)->read());
133	case UINT8_T : return (static_cast<sc_out <uint8_t > *>(_sc_signal_map)->read());
134	case UINT16_T : return (static_cast<sc_out <uint16_t> *>(_sc_signal_map)->read());
135	case UINT32_T : return (static_cast<sc_out <uint32_t> *>(_sc_signal_map)->read());
136	case UINT64_T : return (static_cast<sc_out <uint64_t> *>(_sc_signal_map)->read());
137	default : throw (ErrorMorpheo ("Signal \""+_name+"\" : type unknow."));
138	}
139	}
140
141	#undef FUNCTION
142	#define FUNCTION "Signal::alloc"
143	public : template <typename T>
144	void alloc (void * sc_signal)
145	{
146	log_printf(FUNC,Behavioural,FUNCTION,"Begin");
147
148	if (_type_info != UNKNOW)
149	throw (ErrorMorpheo ("Signal \""+_name+"\" : already allocate."));
150
151	if (test<T>(_size) == false)
152	throw (ErrorMorpheo ("Signal \""+_name+"\" : size is too small to the associate type."));
153
154	_is_allocate = true;
155	_sc_signal = sc_signal;
156	_sc_signal_map = sc_signal;
157
158	log_printf(TRACE,Behavioural,FUNCTION, "Allocation of %s - %.8x", _name.c_str(), (uint32_t)(_sc_signal_map));
159
160	if (typeid(T) == typeid(bool ))
161	_type_info = BOOL;
162	else
163	if (typeid(T) == typeid(uint8_t ))
164	_type_info = UINT8_T;
165	else
166	if (typeid(T) == typeid(uint16_t))
167	_type_info = UINT16_T;
168	else
169	if (typeid(T) == typeid(uint32_t))
170	_type_info = UINT32_T;
171	else
172	if (typeid(T) == typeid(uint64_t))
173	_type_info = UINT64_T;
174	else
175	_type_info = UNKNOW;
176
177	log_printf(FUNC,Behavioural,FUNCTION,"End");
178	}
179	#endif
180
181	#ifdef VHDL
182	public : void set_port (Vhdl * & vhdl);
183	# ifdef VHDL_TESTBENCH
184	public : Signal * get_clock (void);
185	public : Signal * get_reset (void);
186	public : uint32_t get_reset_cycle (bool active_low);
187
188	public : void set_signal (Vhdl * & vhdl);
189	public : void get_name_vhdl (std::list<std::string> * & list_signal);
190
191	public : void testbench (void);
192	public : void testbench_body (Vhdl * & vhdl ,
193	std::string counter_name ,
194	std::string reset_name );
195	public : void testbench_test_ok(Vhdl * & vhdl );
196	# endif
197	#endif
198	public : XML toXML (void);
199
200	public : friend std::ostream& operator<< (std::ostream& output_stream,
201	morpheo::behavioural::Signal & x);
202
203	};
204	}; // end namespace behavioural
205
206	template<> inline std::string toString<morpheo::behavioural::presence_port_t>(const morpheo::behavioural::presence_port_t& x)
207	{
208	switch (x)
209	{
210	case morpheo::behavioural::PORT_VHDL_YES_TESTBENCH_YES : return "Port is in VHDL's model and TestBench's model" ; break;
211	case morpheo::behavioural::PORT_VHDL_YES_TESTBENCH_NO : return "Port is in VHDL's model " ; break;
212	case morpheo::behavioural::PORT_VHDL_NO_TESTBENCH_YES : return "Port is in TestBench's model" ; break;
213	case morpheo::behavioural::PORT_VHDL_NO_TESTBENCH_NO : return "Port is in none model " ; break;
214	case morpheo::behavioural::CLOCK_VHDL_YES : return "Clock is in VHDL's model " ; break;
215	case morpheo::behavioural::CLOCK_VHDL_NO : return "Clock is not in VHDL's model " ; break;
216	case morpheo::behavioural::RESET_VHDL_YES : return "Reset is in VHDL's model " ; break;
217	case morpheo::behavioural::RESET_VHDL_NO : return "Reset is not in VHDL's model " ; break;
218	default : return ""; break;
219	}
220	}
221
222	}; // end namespace morpheo
223
224	#endif

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