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source: trunk/IPs/systemC/processor/Morpheo/Behavioural/Core/Multi_Front_end/Front_end/Decod_unit/Decod/include/Decod.h @ 108

Last change on this file since 108 was 108, checked in by rosiere, 15 years ago
1) decod_queue : add reg_LAST_SLOT. 2) Commit : insert on event -> to pop decod_queue. Head test : add information (speculative or not) 3) Context State / UPT : Branch miss and Load miss in same cycle. 4) Free List : Bank is on LSB not MSB. 5) Platforms : move data
Property svn:keywords set to `Id`
File size: 10.9 KB

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1	#ifndef morpheo_behavioural_core_multi_front_end_front_end_decod_unit_decod_Decod_h
2	#define morpheo_behavioural_core_multi_front_end_front_end_decod_unit_decod_Decod_h
3
4	/*
5	* $Id: Decod.h 108 2009-02-12 11:55:06Z rosiere $
6	*
7	* [ Description ]
8	*
9	*/
10
11	#ifdef SYSTEMC
12	#include "systemc.h"
13	#endif
14
15	#include "Common/include/ToString.h"
16	#include "Common/include/Debug.h"
17
18	#include "Behavioural/Core/Multi_Front_end/Front_end/Decod_unit/Decod/include/Types.h"
19	#include "Behavioural/Core/Multi_Front_end/Front_end/Decod_unit/Decod/include/Parameters.h"
20	#include "Behavioural/Core/Multi_Front_end/Front_end/Decod_unit/Decod/Instruction/include/Instruction.h"
21	#ifdef STATISTICS
22	#include "Behavioural/include/Stat.h"
23	#endif
24	#include "Behavioural/include/Component.h"
25	#ifdef VHDL
26	#include "Behavioural/include/Vhdl.h"
27	#endif
28	#include "Behavioural/include/Usage.h"
29
30	#include "Behavioural/Generic/Priority/include/Priority.h"
31
32	#include <iostream>
33	#include <list>
34
35	namespace morpheo {
36	namespace behavioural {
37
38	namespace core {
39	namespace multi_front_end {
40	namespace front_end {
41	namespace decod_unit {
42	namespace decod {
43
44
45	class Decod
46	#if SYSTEMC
47	: public sc_module
48	#endif
49	{
50	// -----[ fields ]----------------------------------------------------
51	// Parameters
52	protected : const std::string _name;
53	protected : const Parameters * _param;
54	private : const Tusage_t _usage;
55
56	#ifdef STATISTICS
57	public : Stat * _stat;
58	public : counter_t * _stat_sum_inst_decod;
59	#endif
60
61	public : Component * _component;
62	private : Interfaces * _interfaces;
63
64	#ifdef SYSTEMC
65	// ~~~~~[ Interface ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
66	// ~~~~~[ Interface : "" ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
67	public : SC_CLOCK * in_CLOCK ;
68	public : SC_IN (Tcontrol_t) * in_NRESET ;
69
70	// ~~~~~[ Interface : "ifetch_unit" ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
71	public : SC_IN (Tcontrol_t ) *** in_IFETCH_VAL ;//[nb_context][nb_inst_fetch]
72	public : SC_OUT(Tcontrol_t ) *** out_IFETCH_ACK ;//[nb_context][nb_inst_fetch]
73	public : SC_IN (Tinstruction_t ) *** in_IFETCH_INSTRUCTION ;//[nb_context][nb_inst_fetch]
74	public : SC_IN (Tcontext_t ) ** in_IFETCH_CONTEXT_ID ;//[nb_context]
75	public : SC_IN (Tgeneral_address_t ) ** in_IFETCH_ADDRESS ;//[nb_context]
76	//public : SC_IN (Tgeneral_address_t ) ** in_IFETCH_ADDRESS_NEXT ;//[nb_context]
77	public : SC_IN (Tinst_ifetch_ptr_t ) ** in_IFETCH_INST_IFETCH_PTR ;//[nb_context]
78	public : SC_IN (Tbranch_state_t ) ** in_IFETCH_BRANCH_STATE ;//[nb_context]
79	public : SC_IN (Tprediction_ptr_t ) ** in_IFETCH_BRANCH_UPDATE_PREDICTION_ID ;//[nb_context]
80	public : SC_IN (Texception_t ) ** in_IFETCH_EXCEPTION ;//[nb_context]
81	// ~~~~~[ Interface : "decod" ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
82	public : SC_OUT(Tcontrol_t ) ** out_DECOD_VAL ;//[nb_inst_decod]
83	public : SC_IN (Tcontrol_t ) ** in_DECOD_ACK ;//[nb_inst_decod]
84	public : SC_OUT(Tcontext_t ) ** out_DECOD_CONTEXT_ID ;//[nb_inst_decod]
85	public : SC_OUT(Tdepth_t ) ** out_DECOD_DEPTH ;//[nb_inst_decod]
86	public : SC_OUT(Ttype_t ) ** out_DECOD_TYPE ;//[nb_inst_decod]
87	public : SC_OUT(Toperation_t ) ** out_DECOD_OPERATION ;//[nb_inst_decod]
88	public : SC_OUT(Tcontrol_t ) ** out_DECOD_NO_EXECUTE ;//[nb_inst_decod]
89	public : SC_OUT(Tcontrol_t ) ** out_DECOD_IS_DELAY_SLOT ;//[nb_inst_decod]
90	#ifdef DEBUG
91	public : SC_OUT(Tgeneral_data_t ) ** out_DECOD_ADDRESS ;//[nb_inst_decod]
92	#endif
93	public : SC_OUT(Tgeneral_data_t ) ** out_DECOD_ADDRESS_NEXT ;//[nb_inst_decod]
94	public : SC_OUT(Tcontrol_t ) ** out_DECOD_HAS_IMMEDIAT ;//[nb_inst_decod]
95	public : SC_OUT(Tgeneral_data_t ) ** out_DECOD_IMMEDIAT ;//[nb_inst_decod]
96	public : SC_OUT(Tcontrol_t ) ** out_DECOD_READ_RA ;//[nb_inst_decod]
97	public : SC_OUT(Tgeneral_address_t ) ** out_DECOD_NUM_REG_RA ;//[nb_inst_decod]
98	public : SC_OUT(Tcontrol_t ) ** out_DECOD_READ_RB ;//[nb_inst_decod]
99	public : SC_OUT(Tgeneral_address_t ) ** out_DECOD_NUM_REG_RB ;//[nb_inst_decod]
100	public : SC_OUT(Tcontrol_t ) ** out_DECOD_READ_RC ;//[nb_inst_decod]
101	public : SC_OUT(Tspecial_address_t ) ** out_DECOD_NUM_REG_RC ;//[nb_inst_decod]
102	public : SC_OUT(Tcontrol_t ) ** out_DECOD_WRITE_RD ;//[nb_inst_decod]
103	public : SC_OUT(Tgeneral_address_t ) ** out_DECOD_NUM_REG_RD ;//[nb_inst_decod]
104	public : SC_OUT(Tcontrol_t ) ** out_DECOD_WRITE_RE ;//[nb_inst_decod]
105	public : SC_OUT(Tspecial_address_t ) ** out_DECOD_NUM_REG_RE ;//[nb_inst_decod]
106	public : SC_OUT(Texception_t ) ** out_DECOD_EXCEPTION_USE ;//[nb_inst_decod]
107	public : SC_OUT(Texception_t ) ** out_DECOD_EXCEPTION ;//[nb_inst_decod]
108
109	// ~~~~~[ Interface : "predict" ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
110	public : SC_OUT(Tcontrol_t ) ** out_PREDICT_VAL ;//[nb_inst_decod]
111	public : SC_IN (Tcontrol_t ) ** in_PREDICT_ACK ;//[nb_inst_decod]
112	public : SC_OUT(Tcontext_t ) ** out_PREDICT_CONTEXT_ID ;//[nb_inst_decod]
113	public : SC_OUT(Tcontrol_t ) ** out_PREDICT_MATCH_INST_IFETCH_PTR ;//[nb_inst_decod]
114	public : SC_OUT(Tbranch_state_t ) ** out_PREDICT_BRANCH_STATE ;//[nb_inst_decod]
115	public : SC_OUT(Tprediction_ptr_t ) ** out_PREDICT_BRANCH_UPDATE_PREDICTION_ID;//[nb_inst_decod]
116	public : SC_OUT(Tbranch_condition_t) ** out_PREDICT_BRANCH_CONDITION ;//[nb_inst_decod]
117	//public : SC_OUT(Tcontrol_t ) ** out_PREDICT_BRANCH_STACK_WRITE ;//[nb_inst_decod]
118	public : SC_OUT(Tcontrol_t ) ** out_PREDICT_BRANCH_DIRECTION ;//[nb_inst_decod]
119	public : SC_OUT(Tgeneral_data_t ) ** out_PREDICT_ADDRESS_SRC ;//[nb_inst_decod]
120	public : SC_OUT(Tgeneral_data_t ) ** out_PREDICT_ADDRESS_DEST ;//[nb_inst_decod]
121	//public : SC_IN (Tcontrol_t ) ** in_PREDICT_CAN_CONTINUE ;//[nb_inst_decod]
122
123	// ~~~~~[ Interface : "context" ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
124	public : SC_IN (Tcontrol_t ) ** in_CONTEXT_DECOD_ENABLE ;//[nb_context]
125	public : SC_IN (Tcontrol_t ) ** in_CONTEXT_DEPTH_VAL ;//[nb_context]
126	public : SC_IN (Tdepth_t ) ** in_CONTEXT_DEPTH ;//[nb_context]
127
128	// ~~~~~[ Interface : "context_event" ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
129	public : SC_OUT(Tcontrol_t ) * out_CONTEXT_EVENT_VAL ;
130	public : SC_IN (Tcontrol_t ) * in_CONTEXT_EVENT_ACK ;
131	public : SC_OUT(Tcontext_t ) * out_CONTEXT_EVENT_CONTEXT_ID ;
132	public : SC_OUT(Tdepth_t ) * out_CONTEXT_EVENT_DEPTH ;
133	public : SC_OUT(Tevent_type_t ) * out_CONTEXT_EVENT_TYPE ;
134	public : SC_OUT(Tcontrol_t ) * out_CONTEXT_EVENT_IS_DELAY_SLOT ;
135	public : SC_OUT(Tgeneral_data_t ) * out_CONTEXT_EVENT_ADDRESS ;
136	public : SC_OUT(Tgeneral_data_t ) * out_CONTEXT_EVENT_ADDRESS_EPCR ;
137
138	// ~~~~~[ Component ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
139	private : generic::priority::Priority * _priority;
140
141	// ~~~~~[ Register ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
142	private : Tgeneral_data_t * reg_CONTEXT_ADDRESS_PREVIOUS ; //[nb_context]
143	private : Tcontrol_t * reg_CONTEXT_IS_DELAY_SLOT ; //[nb_context]
144	private : Tcontrol_t * internal_CONTEXT_HAVE_TRANSACTION; //[nb_context]
145	private : Tgeneral_data_t * internal_CONTEXT_ADDRESS_PREVIOUS; //[nb_context]
146	private : Tcontrol_t * internal_CONTEXT_IS_DELAY_SLOT ; //[nb_context]
147
148	private : Tcontrol_t * internal_DECOD_VAL ; //[nb_inst_decod]
149	// ~~~~~[ Internal ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
150	private : decod_instruction_t * _decod_instruction;
151	private : decod_param_t ** _decod_param ; //[nb_context]
152	private : function_decod_t **** _function_decod ; //[nb_context][type][opcod]
153	private : function_decod_t **** _function_custom ; //[nb_context][type][opcod]
154	#endif
155
156	// -----[ Methods ]---------------------------------------------------
157
158	#ifdef SYSTEMC
159	SC_HAS_PROCESS (Decod);
160	#endif
161	public : Decod
162	(
163	#ifdef SYSTEMC
164	sc_module_name name,
165	#else
166	std::string name,
167	#endif
168	#ifdef STATISTICS
169	morpheo::behavioural::Parameters_Statistics * param_statistics,
170	#endif
171	Parameters * param,
172	morpheo::behavioural::Tusage_t usage
173	);
174	public : ~Decod (void);
175
176	private : void allocation (
177	#ifdef STATISTICS
178	morpheo::behavioural::Parameters_Statistics * param_statistics
179	#else
180	void
181	#endif
182	);
183	private : void deallocation (void);
184
185	#ifdef SYSTEMC
186	public : void transition (void);
187	public : void genMealy (void);
188	#endif
189
190	#if VHDL
191	public : void vhdl (void);
192	private : void vhdl_declaration (Vhdl * & vhdl);
193	private : void vhdl_body (Vhdl * & vhdl);
194	#endif
195
196	#ifdef STATISTICS
197	public : void statistics_allocation (morpheo::behavioural::Parameters_Statistics * param_statistics);
198	public : void statistics_deallocation (void);
199	#endif
200	#if defined(STATISTICS) or defined(VHDL_TESTBENCH)
201	private : void end_cycle (void);
202	#endif
203	};
204
205	}; // end namespace decod
206	}; // end namespace decod_unit
207	}; // end namespace front_end
208	}; // end namespace multi_front_end
209	}; // end namespace core
210
211	}; // end namespace behavioural
212	}; // end namespace morpheo
213
214	#endif

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