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Functionnal_unit_0.vhdl @ 116

Last change on this file since 116 was 116, checked in by moulu, 15 years ago
1) added a generic multiplier (systemC isn't working with 8bits) 2) added a partial functionnal unit vhdl.
Property svn:keywords set to `Id`
File size: 34.6 KB

Line
1	-------------------------------------------------------------------------------
2	-- File : ./Functionnal_unit_0.vhdl
3	-- Date : Fri Mar 13 16:20:01 2009
4	-- Version : 0.2.111 - Castor
5	-- Comment : it's a autogenerated file, don't modify
6	-------------------------------------------------------------------------------
7
8
9	library ieee;
10	use ieee.numeric_bit.all;
11	use ieee.numeric_std.all;
12	use ieee.std_logic_1164.all;
13	use ieee.std_logic_arith.all;
14	use ieee.std_logic_misc.all;
15	--use ieee.std_logic_signed.all;
16	use ieee.std_logic_unsigned.all;
17	--use ieee.std_logic_textio.all;
18
19
20	library work;
21	use work.Functionnal_unit_0_Pack.all;
22	use work.Functionnal_unit_0_shifter_Pack.all;
23
24	Library XilinxCoreLib;
25	use XilinxCoreLib.c_compare_v9_0_comp.all;
26
27	entity Functionnal_unit_0 is
28	port (
29	in_CLOCK : in std_logic;
30	in_NRESET : in std_logic;
31	in_EXECUTE_IN_VAL : in std_logic;
32	out_EXECUTE_IN_ACK : out std_logic;
33	in_EXECUTE_IN_OOO_ENGINE_ID : in std_logic;
34	in_EXECUTE_IN_PACKET_ID : in std_logic_vector(7 downto 0);
35	in_EXECUTE_IN_OPERATION : in std_logic_vector(6 downto 0);
36	in_EXECUTE_IN_TYPE : in std_logic_vector(4 downto 0);
37	in_EXECUTE_IN_STORE_QUEUE_PTR_WRITE : in std_logic_vector(1 downto 0);
38	in_EXECUTE_IN_HAS_IMMEDIAT : in std_logic;
39	in_EXECUTE_IN_IMMEDIAT : in std_logic_vector(31 downto 0);
40	in_EXECUTE_IN_DATA_RA : in std_logic_vector(31 downto 0);
41	in_EXECUTE_IN_DATA_RB : in std_logic_vector(31 downto 0);
42	in_EXECUTE_IN_DATA_RC : in std_logic_vector(1 downto 0);
43	in_EXECUTE_IN_WRITE_RD : in std_logic;
44	in_EXECUTE_IN_NUM_REG_RD : in std_logic_vector(4 downto 0);
45	in_EXECUTE_IN_WRITE_RE : in std_logic;
46	in_EXECUTE_IN_NUM_REG_RE : in std_logic_vector(3 downto 0);
47	out_EXECUTE_OUT_VAL : out std_logic;
48	in_EXECUTE_OUT_ACK : in std_logic;
49	out_EXECUTE_OUT_OOO_ENGINE_ID : out std_logic;
50	out_EXECUTE_OUT_PACKET_ID : out std_logic_vector(7 downto 0);
51	out_EXECUTE_OUT_WRITE_RD : out std_logic;
52	out_EXECUTE_OUT_NUM_REG_RD : out std_logic_vector(4 downto 0);
53	out_EXECUTE_OUT_DATA_RD : out std_logic_vector(31 downto 0);
54	out_EXECUTE_OUT_WRITE_RE : out std_logic;
55	out_EXECUTE_OUT_NUM_REG_RE : out std_logic_vector(3 downto 0);
56	out_EXECUTE_OUT_DATA_RE : out std_logic_vector(1 downto 0);
57	out_EXECUTE_OUT_EXCEPTION : out std_logic_vector(4 downto 0);
58	out_EXECUTE_OUT_NO_SEQUENCE : out std_logic;
59	out_EXECUTE_OUT_ADDRESS : out std_logic_vector(29 downto 0)
60	);
61	end Functionnal_unit_0;
62
63	architecture behavioural of Functionnal_unit_0 is
64	type Tmac is array (1 downto 0) of std_logic_vector(31 downto 0);
65
66	signal sig_EXECUTE_IN_ACK : std_logic;
67	signal reg_BUSY_IN : std_logic;
68	signal reg_EXECUTE_IN_OOO_ENGINE_ID : std_logic;
69	signal reg_EXECUTE_IN_PACKET_ID : std_logic_vector(7 downto 0);
70	signal reg_EXECUTE_IN_OPERATION : std_logic_vector(6 downto 0);
71	signal reg_EXECUTE_IN_TYPE : std_logic_vector(4 downto 0);
72	signal reg_EXECUTE_IN_HAS_IMMEDIAT : std_logic;
73	signal reg_EXECUTE_IN_IMMEDIAT : std_logic_vector(31 downto 0);
74	signal reg_EXECUTE_IN_DATA_RA : std_logic_vector(31 downto 0);
75	signal reg_EXECUTE_IN_DATA_RB : std_logic_vector(31 downto 0);
76	signal reg_EXECUTE_IN_DATA_RC : std_logic_vector(1 downto 0);
77	signal reg_EXECUTE_IN_WRITE_RD : std_logic;
78	signal reg_EXECUTE_IN_NUM_REG_RD : std_logic_vector(4 downto 0);
79	signal reg_EXECUTE_IN_WRITE_RE : std_logic;
80	signal reg_EXECUTE_IN_NUM_REG_RE : std_logic_vector(3 downto 0);
81	signal sig_B_OPERAND : std_logic_vector(31 downto 0);
82	signal sig_IS_ARITH : std_logic;
83	signal sig_IS_LOGIC : std_logic;
84	signal sig_CIN_ARITH : std_logic;
85	signal sig_ARITH_B_OPERAND : std_logic_vector(31 downto 0);
86	signal sig_RES_ARITH : std_logic_vector(32 downto 0);
87	signal sig_A_AND_B : std_logic_vector(31 downto 0);
88	signal sig_A_OR_B : std_logic_vector(31 downto 0);
89	signal sig_A_XOR_B : std_logic_vector(31 downto 0);
90	signal sig_RES_LOGIC : std_logic_vector(31 downto 0);
91	signal sig_RES_ALU : std_logic_vector(31 downto 0);
92	signal sig_OVR_ALU : std_logic;
93	signal sig_COUT_ALU : std_logic;
94	signal sig_RES_MOVE : std_logic_vector(31 downto 0);
95	signal sig_CMOV : std_logic_vector(31 downto 0);
96	signal sig_MOVHI : std_logic_vector(31 downto 0);
97	signal sig_RES_BRANCH : std_logic_vector(31 downto 0);
98	signal sig_ADDR_BRANCH : std_logic_vector(29 downto 0);
99	signal sig_NOSQ_BRANCH : std_logic;
100	signal sig_RES_SHIFTER : std_logic_vector(31 downto 0);
101	signal sig_EXT_BYTE_S : std_logic_vector(31 downto 0);
102	signal sig_EXT_BYTE_Z : std_logic_vector(31 downto 0);
103	signal sig_EXT_HALF_WORD_S : std_logic_vector(31 downto 0);
104	signal sig_EXT_HALF_WORD_Z : std_logic_vector(31 downto 0);
105	signal sig_EXT_WORD_S : std_logic_vector(31 downto 0);
106	signal sig_EXT_WORD_Z : std_logic_vector(31 downto 0);
107	signal sig_EXT_S : std_logic_vector(31 downto 0);
108	signal sig_EXT_Z : std_logic_vector(31 downto 0);
109	signal sig_RES_EXTEND : std_logic_vector(31 downto 0);
110	signal sig_FF1 : std_logic_vector(5 downto 0);
111	signal sig_FL1 : std_logic_vector(5 downto 0);
112	signal sig_RES_FIND : std_logic_vector(31 downto 0);
113	signal sig_SPR_IS_HERE : std_logic;
114	signal sig_MFSPR : std_logic_vector(31 downto 0);
115	signal sig_MTSPR : std_logic_vector(31 downto 0);
116	signal sig_RES_SPECIAL : std_logic_vector(31 downto 0);
117	signal sig_EXECUTE_OUT_VAL : std_logic;
118	signal sig_EXECUTE_OUT_UPDATE : std_logic;
119	signal reg_BUSY_OUT : std_logic;
120	signal reg_EXECUTE_OUT_OOO_ENGINE_ID : std_logic;
121	signal sig_EXECUTE_OUT_OOO_ENGINE_ID : std_logic;
122	signal reg_EXECUTE_OUT_PACKET_ID : std_logic_vector(7 downto 0);
123	signal sig_EXECUTE_OUT_PACKET_ID : std_logic_vector(7 downto 0);
124	signal reg_EXECUTE_OUT_WRITE_RD : std_logic;
125	signal sig_EXECUTE_OUT_WRITE_RD : std_logic;
126	signal reg_EXECUTE_OUT_NUM_REG_RD : std_logic_vector(4 downto 0);
127	signal sig_EXECUTE_OUT_NUM_REG_RD : std_logic_vector(4 downto 0);
128	signal reg_EXECUTE_OUT_DATA_RD : std_logic_vector(31 downto 0);
129	signal sig_EXECUTE_OUT_DATA_RD : std_logic_vector(31 downto 0);
130	signal reg_EXECUTE_OUT_WRITE_RE : std_logic;
131	signal sig_EXECUTE_OUT_WRITE_RE : std_logic;
132	signal reg_EXECUTE_OUT_NUM_REG_RE : std_logic_vector(3 downto 0);
133	signal sig_EXECUTE_OUT_NUM_REG_RE : std_logic_vector(3 downto 0);
134	signal reg_EXECUTE_OUT_DATA_RE : std_logic_vector(1 downto 0);
135	signal sig_EXECUTE_OUT_DATA_RE : std_logic_vector(1 downto 0);
136	signal reg_EXECUTE_OUT_EXCEPTION : std_logic_vector(4 downto 0);
137	signal sig_EXECUTE_OUT_EXCEPTION : std_logic_vector(4 downto 0);
138	signal reg_EXECUTE_OUT_NO_SEQUENCE : std_logic;
139	signal sig_EXECUTE_OUT_NO_SEQUENCE : std_logic;
140	signal reg_EXECUTE_OUT_ADDRESS : std_logic_vector(29 downto 0);
141	signal sig_EXECUTE_OUT_ADDRESS : std_logic_vector(29 downto 0);
142	signal reg_MACLO : Tmac;
143	signal reg_MACHI : Tmac;
144
145	signal sig_IS_LESS : std_logic;
146	signal sig_A_COMPARE : std_logic_vector(31 downto 0);
147	signal sig_B_COMPARE : std_logic_vector(31 downto 0);
148	signal sig_A_GT_B_S : std_logic;
149	signal sig_A_GT_B_U : std_logic;
150	signal sig_A_EQ_B : std_logic;
151	signal sig_A_GT_B : std_logic;
152	signal sig_A_GE_B : std_logic;
153	signal sig_A_NE_B : std_logic;
154	signal sig_IS_SIGNED : std_logic;
155	signal sig_FLAG_F : std_logic;
156	signal sig_BUSY : std_logic;
157
158	type TFQUEUE is array (7 downto 0) of std_logic_vector(131 downto 0);
159	-- OOO_ENGINE_ID(1) + PACKET_ID(8) + OPERATION(7) + TYPE(5) +
160	-- HAS_IMMEDIAT(1) + IMMEDIAT(32) + DATA_RA(32) + DATA_RB(32) + DATA_RC(2) +
161	-- WRITE_RD(1) + NUM_REG_RD(5) + WRITE_RE(1) + NUM_REG_RE(4) + VALID(1)
162	-- = 132 BITS
163	signal reg_FUNCTIONAL_QUEUE : TFQUEUE;
164
165
166
167	alias reg_OOO_ENGINE_ID_7 : std_logic is reg_FUNCTIONAL_QUEUE(7)(131);
168	alias reg_OOO_ENGINE_ID_6 : std_logic is reg_FUNCTIONAL_QUEUE(6)(131);
169	alias reg_OOO_ENGINE_ID_5 : std_logic is reg_FUNCTIONAL_QUEUE(5)(131);
170	alias reg_OOO_ENGINE_ID_4 : std_logic is reg_FUNCTIONAL_QUEUE(4)(131);
171	alias reg_OOO_ENGINE_ID_3 : std_logic is reg_FUNCTIONAL_QUEUE(3)(131);
172	alias reg_OOO_ENGINE_ID_2 : std_logic is reg_FUNCTIONAL_QUEUE(2)(131);
173	alias reg_OOO_ENGINE_ID_1 : std_logic is reg_FUNCTIONAL_QUEUE(1)(131);
174	alias reg_OOO_ENGINE_ID_0 : std_logic is reg_FUNCTIONAL_QUEUE(0)(131);
175	alias reg_PACKET_ID_7 : std_logic_vector(7 downto 0) is reg_FUNCTIONAL_QUEUE(7)(130 downto 123);
176	alias reg_PACKET_ID_6 : std_logic_vector(7 downto 0) is reg_FUNCTIONAL_QUEUE(6)(130 downto 123);
177	alias reg_PACKET_ID_5 : std_logic_vector(7 downto 0) is reg_FUNCTIONAL_QUEUE(5)(130 downto 123);
178	alias reg_PACKET_ID_4 : std_logic_vector(7 downto 0) is reg_FUNCTIONAL_QUEUE(4)(130 downto 123);
179	alias reg_PACKET_ID_3 : std_logic_vector(7 downto 0) is reg_FUNCTIONAL_QUEUE(3)(130 downto 123);
180	alias reg_PACKET_ID_2 : std_logic_vector(7 downto 0) is reg_FUNCTIONAL_QUEUE(2)(130 downto 123);
181	alias reg_PACKET_ID_1 : std_logic_vector(7 downto 0) is reg_FUNCTIONAL_QUEUE(1)(130 downto 123);
182	alias reg_PACKET_ID_0 : std_logic_vector(7 downto 0) is reg_FUNCTIONAL_QUEUE(0)(130 downto 123);
183	alias reg_OPERATION_7 : std_logic_vector(6 downto 0) is reg_FUNCTIONAL_QUEUE(7)(122 downto 116);
184	alias reg_OPERATION_6 : std_logic_vector(6 downto 0) is reg_FUNCTIONAL_QUEUE(6)(122 downto 116);
185	alias reg_OPERATION_5 : std_logic_vector(6 downto 0) is reg_FUNCTIONAL_QUEUE(5)(122 downto 116);
186	alias reg_OPERATION_4 : std_logic_vector(6 downto 0) is reg_FUNCTIONAL_QUEUE(4)(122 downto 116);
187	alias reg_OPERATION_3 : std_logic_vector(6 downto 0) is reg_FUNCTIONAL_QUEUE(3)(122 downto 116);
188	alias reg_OPERATION_2 : std_logic_vector(6 downto 0) is reg_FUNCTIONAL_QUEUE(2)(122 downto 116);
189	alias reg_OPERATION_1 : std_logic_vector(6 downto 0) is reg_FUNCTIONAL_QUEUE(1)(122 downto 116);
190
191	alias reg_TYPE_7 : std_logic_vector(4 downto 0) is reg_FUNCTIONAL_QUEUE(7)(115 downto 111);
192	alias reg_TYPE_6 : std_logic_vector(4 downto 0) is reg_FUNCTIONAL_QUEUE(6)(115 downto 111);
193	alias reg_TYPE_5 : std_logic_vector(4 downto 0) is reg_FUNCTIONAL_QUEUE(5)(115 downto 111);
194	alias reg_TYPE_4 : std_logic_vector(4 downto 0) is reg_FUNCTIONAL_QUEUE(4)(115 downto 111);
195	alias reg_TYPE_3 : std_logic_vector(4 downto 0) is reg_FUNCTIONAL_QUEUE(3)(115 downto 111);
196	alias reg_TYPE_2 : std_logic_vector(4 downto 0) is reg_FUNCTIONAL_QUEUE(2)(115 downto 111);
197	alias reg_TYPE_1 : std_logic_vector(4 downto 0) is reg_FUNCTIONAL_QUEUE(1)(115 downto 111);
198
199	alias reg_HAS_IMMEDIAT_7 : std_logic is reg_FUNCTIONAL_QUEUE(7)(110);
200	alias reg_HAS_IMMEDIAT_6 : std_logic is reg_FUNCTIONAL_QUEUE(6)(110);
201	alias reg_HAS_IMMEDIAT_5 : std_logic is reg_FUNCTIONAL_QUEUE(5)(110);
202	alias reg_HAS_IMMEDIAT_4 : std_logic is reg_FUNCTIONAL_QUEUE(4)(110);
203	alias reg_HAS_IMMEDIAT_3 : std_logic is reg_FUNCTIONAL_QUEUE(3)(110);
204	alias reg_HAS_IMMEDIAT_2 : std_logic is reg_FUNCTIONAL_QUEUE(2)(110);
205	alias reg_HAS_IMMEDIAT_1 : std_logic is reg_FUNCTIONAL_QUEUE(1)(110);
206
207	alias reg_IMMEDIAT_7 : std_logic_vector(31 downto 0) is reg_FUNCTIONAL_QUEUE(7)(109 downto 78);
208	alias reg_IMMEDIAT_6 : std_logic_vector(31 downto 0) is reg_FUNCTIONAL_QUEUE(6)(109 downto 78);
209	alias reg_IMMEDIAT_5 : std_logic_vector(31 downto 0) is reg_FUNCTIONAL_QUEUE(5)(109 downto 78);
210	alias reg_IMMEDIAT_4 : std_logic_vector(31 downto 0) is reg_FUNCTIONAL_QUEUE(4)(109 downto 78);
211	alias reg_IMMEDIAT_3 : std_logic_vector(31 downto 0) is reg_FUNCTIONAL_QUEUE(3)(109 downto 78);
212	alias reg_IMMEDIAT_2 : std_logic_vector(31 downto 0) is reg_FUNCTIONAL_QUEUE(2)(109 downto 78);
213	alias reg_IMMEDIAT_1 : std_logic_vector(31 downto 0) is reg_FUNCTIONAL_QUEUE(1)(109 downto 78);
214
215	alias reg_DATA_RA_7 : std_logic_vector(31 downto 0) is reg_FUNCTIONAL_QUEUE(7)(77 downto 46);
216	alias reg_DATA_RA_6 : std_logic_vector(31 downto 0) is reg_FUNCTIONAL_QUEUE(6)(77 downto 46);
217	alias reg_DATA_RA_5 : std_logic_vector(31 downto 0) is reg_FUNCTIONAL_QUEUE(5)(77 downto 46);
218	alias reg_DATA_RA_4 : std_logic_vector(31 downto 0) is reg_FUNCTIONAL_QUEUE(4)(77 downto 46);
219	alias reg_DATA_RA_3 : std_logic_vector(31 downto 0) is reg_FUNCTIONAL_QUEUE(3)(77 downto 46);
220	alias reg_DATA_RA_2 : std_logic_vector(31 downto 0) is reg_FUNCTIONAL_QUEUE(2)(77 downto 46);
221	alias reg_DATA_RA_1 : std_logic_vector(31 downto 0) is reg_FUNCTIONAL_QUEUE(1)(77 downto 46);
222
223	alias reg_DATA_RB_7 : std_logic_vector(31 downto 0) is reg_FUNCTIONAL_QUEUE(7)(45 downto 14);
224	alias reg_DATA_RB_6 : std_logic_vector(31 downto 0) is reg_FUNCTIONAL_QUEUE(6)(45 downto 14);
225	alias reg_DATA_RB_5 : std_logic_vector(31 downto 0) is reg_FUNCTIONAL_QUEUE(5)(45 downto 14);
226	alias reg_DATA_RB_4 : std_logic_vector(31 downto 0) is reg_FUNCTIONAL_QUEUE(4)(45 downto 14);
227	alias reg_DATA_RB_3 : std_logic_vector(31 downto 0) is reg_FUNCTIONAL_QUEUE(3)(45 downto 14);
228	alias reg_DATA_RB_2 : std_logic_vector(31 downto 0) is reg_FUNCTIONAL_QUEUE(2)(45 downto 14);
229	alias reg_DATA_RB_1 : std_logic_vector(31 downto 0) is reg_FUNCTIONAL_QUEUE(1)(45 downto 14);
230
231	alias reg_DATA_RC_7 : std_logic_vector(1 downto 0) is reg_FUNCTIONAL_QUEUE(7)(13 downto 12);
232	alias reg_DATA_RC_6 : std_logic_vector(1 downto 0) is reg_FUNCTIONAL_QUEUE(6)(13 downto 12);
233	alias reg_DATA_RC_5 : std_logic_vector(1 downto 0) is reg_FUNCTIONAL_QUEUE(5)(13 downto 12);
234	alias reg_DATA_RC_4 : std_logic_vector(1 downto 0) is reg_FUNCTIONAL_QUEUE(4)(13 downto 12);
235	alias reg_DATA_RC_3 : std_logic_vector(1 downto 0) is reg_FUNCTIONAL_QUEUE(3)(13 downto 12);
236	alias reg_DATA_RC_2 : std_logic_vector(1 downto 0) is reg_FUNCTIONAL_QUEUE(2)(13 downto 12);
237	alias reg_DATA_RC_1 : std_logic_vector(1 downto 0) is reg_FUNCTIONAL_QUEUE(1)(13 downto 12);
238
239	alias reg_WRITE_RD_7 : std_logic is reg_FUNCTIONAL_QUEUE(7)(11);
240	alias reg_WRITE_RD_6 : std_logic is reg_FUNCTIONAL_QUEUE(6)(11);
241	alias reg_WRITE_RD_5 : std_logic is reg_FUNCTIONAL_QUEUE(5)(11);
242	alias reg_WRITE_RD_4 : std_logic is reg_FUNCTIONAL_QUEUE(4)(11);
243	alias reg_WRITE_RD_3 : std_logic is reg_FUNCTIONAL_QUEUE(3)(11);
244	alias reg_WRITE_RD_2 : std_logic is reg_FUNCTIONAL_QUEUE(2)(11);
245	alias reg_WRITE_RD_1 : std_logic is reg_FUNCTIONAL_QUEUE(1)(11);
246	alias reg_WRITE_RD_0 : std_logic is reg_FUNCTIONAL_QUEUE(0)(11);
247	alias reg_NUM_REG_RD_7 : std_logic_vector(4 downto 0) is reg_FUNCTIONAL_QUEUE(7)(10 downto 6);
248	alias reg_NUM_REG_RD_6 : std_logic_vector(4 downto 0) is reg_FUNCTIONAL_QUEUE(6)(10 downto 6);
249	alias reg_NUM_REG_RD_5 : std_logic_vector(4 downto 0) is reg_FUNCTIONAL_QUEUE(5)(10 downto 6);
250	alias reg_NUM_REG_RD_4 : std_logic_vector(4 downto 0) is reg_FUNCTIONAL_QUEUE(4)(10 downto 6);
251	alias reg_NUM_REG_RD_3 : std_logic_vector(4 downto 0) is reg_FUNCTIONAL_QUEUE(3)(10 downto 6);
252	alias reg_NUM_REG_RD_2 : std_logic_vector(4 downto 0) is reg_FUNCTIONAL_QUEUE(2)(10 downto 6);
253	alias reg_NUM_REG_RD_1 : std_logic_vector(4 downto 0) is reg_FUNCTIONAL_QUEUE(1)(10 downto 6);
254	alias reg_NUM_REG_RD_0 : std_logic_vector(4 downto 0) is reg_FUNCTIONAL_QUEUE(0)(10 downto 6);
255	alias reg_WRITE_RE_7 : std_logic is reg_FUNCTIONAL_QUEUE(7)(5);
256	alias reg_WRITE_RE_6 : std_logic is reg_FUNCTIONAL_QUEUE(6)(5);
257	alias reg_WRITE_RE_5 : std_logic is reg_FUNCTIONAL_QUEUE(5)(5);
258	alias reg_WRITE_RE_4 : std_logic is reg_FUNCTIONAL_QUEUE(4)(5);
259	alias reg_WRITE_RE_3 : std_logic is reg_FUNCTIONAL_QUEUE(3)(5);
260	alias reg_WRITE_RE_2 : std_logic is reg_FUNCTIONAL_QUEUE(2)(5);
261	alias reg_WRITE_RE_1 : std_logic is reg_FUNCTIONAL_QUEUE(1)(5);
262	alias reg_WRITE_RE_0 : std_logic is reg_FUNCTIONAL_QUEUE(0)(5);
263	alias reg_NUM_REG_RE_7 : std_logic_vector(3 downto 0) is reg_FUNCTIONAL_QUEUE(7)(4 downto 1);
264	alias reg_NUM_REG_RE_6 : std_logic_vector(3 downto 0) is reg_FUNCTIONAL_QUEUE(6)(4 downto 1);
265	alias reg_NUM_REG_RE_5 : std_logic_vector(3 downto 0) is reg_FUNCTIONAL_QUEUE(5)(4 downto 1);
266	alias reg_NUM_REG_RE_4 : std_logic_vector(3 downto 0) is reg_FUNCTIONAL_QUEUE(4)(4 downto 1);
267	alias reg_NUM_REG_RE_3 : std_logic_vector(3 downto 0) is reg_FUNCTIONAL_QUEUE(3)(4 downto 1);
268	alias reg_NUM_REG_RE_2 : std_logic_vector(3 downto 0) is reg_FUNCTIONAL_QUEUE(2)(4 downto 1);
269	alias reg_NUM_REG_RE_1 : std_logic_vector(3 downto 0) is reg_FUNCTIONAL_QUEUE(1)(4 downto 1);
270	alias reg_NUM_REG_RE_0 : std_logic_vector(3 downto 0) is reg_FUNCTIONAL_QUEUE(0)(4 downto 1);
271	alias reg_VALID_7 : std_logic is reg_FUNCTIONAL_QUEUE(7)(0);
272	alias reg_VALID_6 : std_logic is reg_FUNCTIONAL_QUEUE(6)(0);
273	alias reg_VALID_5 : std_logic is reg_FUNCTIONAL_QUEUE(5)(0);
274	alias reg_VALID_4 : std_logic is reg_FUNCTIONAL_QUEUE(4)(0);
275	alias reg_VALID_3 : std_logic is reg_FUNCTIONAL_QUEUE(3)(0);
276	alias reg_VALID_2 : std_logic is reg_FUNCTIONAL_QUEUE(2)(0);
277	alias reg_VALID_1 : std_logic is reg_FUNCTIONAL_QUEUE(1)(0);
278	alias reg_VALID_0 : std_logic is reg_FUNCTIONAL_QUEUE(0)(0);
279
280	-- OOO_ENGINE_ID(1) + PACKET_ID(8) + OPERATION(7) + TYPE (5) +
281	-- HAS_IMMEDIAT (1) + DATA_RA (32) + DATA_RB (32) + DATA_RC (2) +
282	-- WRITE_RD(1) + NUM_REG_RD(5) + WRITE_RE(1) + NUM_REG_RE(4) + VALID(1)
283	-- = 100 BITS
284
285	begin
286
287	--
288	-- -----------------------------------
289	-- -- Registers
290	-- -----------------------------------
291	--
292
293	process (in_CLOCK)
294	begin
295	if in_CLOCK'event and in_CLOCK = '1' then
296	if (in_NRESET = '0') then
297	reg_BUSY_IN <= '0';
298	reg_BUSY_OUT <= '0';
299	else
300	-- Input
301	if (sig_EXECUTE_IN_ACK = '1') then
302	if (in_EXECUTE_IN_OPERATION = "00100") then
303	reg_VALID_7 <= in_EXECUTE_IN_VAL;
304	reg_NUM_REG_RE_7 <= in_EXECUTE_IN_NUM_REG_RE;
305	reg_WRITE_RE_7 <= in_EXECUTE_IN_WRITE_RE;
306	reg_NUM_REG_RD_7 <= in_EXECUTE_IN_NUM_REG_RD;
307	reg_WRITE_RD_7 <= in_EXECUTE_IN_WRITE_RD;
308	reg_DATA_RC_7 <= in_EXECUTE_IN_DATA_RC;
309	reg_DATA_RB_7 <= in_EXECUTE_IN_DATA_RB;
310	reg_DATA_RA_7 <= in_EXECUTE_IN_DATA_RA;
311	reg_IMMEDIAT_7 <= in_EXECUTE_IN_IMMEDIAT;
312	reg_HAS_IMMEDIAT_7 <= in_EXECUTE_IN_HAS_IMMEDIAT;
313	reg_TYPE_7 <= in_EXECUTE_IN_TYPE;
314	reg_OPERATION_7 <= in_EXECUTE_IN_OPERATION;
315	reg_PACKET_ID_7 <= in_EXECUTE_IN_PACKET_ID;
316	reg_OOO_ENGINE_ID_7 <= in_EXECUTE_IN_OOO_ENGINE_ID;
317	else
318	reg_VALID_1 <= in_EXECUTE_IN_VAL;
319	reg_NUM_REG_RE_1 <= in_EXECUTE_IN_NUM_REG_RE;
320	reg_WRITE_RE_1 <= in_EXECUTE_IN_WRITE_RE;
321	reg_NUM_REG_RD_1 <= in_EXECUTE_IN_NUM_REG_RD;
322	reg_WRITE_RD_1 <= in_EXECUTE_IN_WRITE_RD;
323	reg_DATA_RC_1 <= in_EXECUTE_IN_DATA_RC;
324	reg_DATA_RB_1 <= in_EXECUTE_IN_DATA_RB;
325	reg_DATA_RA_1 <= in_EXECUTE_IN_DATA_RA;
326	reg_IMMEDIAT_1 <= in_EXECUTE_IN_IMMEDIAT;
327	reg_HAS_IMMEDIAT_1 <= in_EXECUTE_IN_HAS_IMMEDIAT;
328	reg_TYPE_1 <= in_EXECUTE_IN_TYPE;
329	reg_OPERATION_1 <= in_EXECUTE_IN_OPERATION;
330	reg_PACKET_ID_1 <= in_EXECUTE_IN_PACKET_ID;
331	reg_OOO_ENGINE_ID_1 <= in_EXECUTE_IN_OOO_ENGINE_ID;
332
333	end if;
334	end if;
335	if (sig_EXECUTE_OUT_UPDATE = '1') then
336	reg_VALID_0 <= reg_VALID_1;
337	reg_NUM_REG_RE_0 <= reg_NUM_REG_RE_1;
338	reg_WRITE_RE_0 <= reg_WRITE_RE_1;
339	reg_NUM_REG_RD_0 <= reg_NUM_REG_RD_1;
340	reg_WRITE_RD_0 <= reg_WRITE_RD_1;
341	reg_DATA_RC_0 <= reg_DATA_RC_1;
342	reg_DATA_RB_0 <= reg_DATA_RB_1;
343	reg_DATA_RA_0 <= reg_DATA_RA_1;
344	reg_IMMEDIAT_0 <= reg_IMMEDIAT_1;
345	reg_HAS_IMMEDIAT_0 <= reg_HAS_IMMEDIAT_1;
346	reg_TYPE_0 <= reg_TYPE_1;
347	reg_OPERATION_0 <= reg_OPERATION_1;
348	reg_PACKET_ID_0 <= reg_PACKET_ID_1;
349	reg_OOO_ENGINE_ID_0 <= reg_OOO_ENGINE_ID_1;
350
351	reg_VALID_1 <= reg_VALID_2;
352	reg_NUM_REG_RE_1 <= reg_NUM_REG_RE_2;
353	reg_WRITE_RE_1 <= reg_WRITE_RE_2;
354	reg_NUM_REG_RD_1 <= reg_NUM_REG_RD_2;
355	reg_WRITE_RD_1 <= reg_WRITE_RD_2;
356	reg_DATA_RC_1 <= reg_DATA_RC_2;
357	reg_DATA_RB_1 <= reg_DATA_RB_2;
358	reg_DATA_RA_1 <= reg_DATA_RA_2;
359	reg_IMMEDIAT_1 <= reg_IMMEDIAT_2;
360	reg_HAS_IMMEDIAT_1 <= reg_HAS_IMMEDIAT_2;
361	reg_TYPE_1 <= reg_TYPE_2;
362	reg_OPERATION_1 <= reg_OPERATION_2;
363	reg_PACKET_ID_1 <= reg_PACKET_ID_2;
364	reg_OOO_ENGINE_ID_1 <= reg_OOO_ENGINE_ID_2;
365
366	reg_VALID_2 <= reg_VALID_3;
367	reg_NUM_REG_RE_2 <= reg_NUM_REG_RE_3;
368	reg_WRITE_RE_2 <= reg_WRITE_RE_3;
369	reg_NUM_REG_RD_2 <= reg_NUM_REG_RD_3;
370	reg_WRITE_RD_2 <= reg_WRITE_RD_3;
371	reg_DATA_RC_2 <= reg_DATA_RC_3;
372	reg_DATA_RB_2 <= reg_DATA_RB_3;
373	reg_DATA_RA_2 <= reg_DATA_RA_3;
374	reg_IMMEDIAT_2 <= reg_IMMEDIAT_3;
375	reg_HAS_IMMEDIAT_2 <= reg_HAS_IMMEDIAT_3;
376	reg_TYPE_2 <= reg_TYPE_3;
377	reg_OPERATION_2 <= reg_OPERATION_3;
378	reg_PACKET_ID_2 <= reg_PACKET_ID_3;
379	reg_OOO_ENGINE_ID_2 <= reg_OOO_ENGINE_ID_3;
380
381	reg_VALID_3 <= reg_VALID_4;
382	reg_NUM_REG_RE_3 <= reg_NUM_REG_RE_4;
383	reg_WRITE_RE_3 <= reg_WRITE_RE_4;
384	reg_NUM_REG_RD_3 <= reg_NUM_REG_RD_4;
385	reg_WRITE_RD_3 <= reg_WRITE_RD_4;
386	reg_DATA_RC_3 <= reg_DATA_RC_4;
387	reg_DATA_RB_3 <= reg_DATA_RB_4;
388	reg_DATA_RA_3 <= reg_DATA_RA_4;
389	reg_IMMEDIAT_3 <= reg_IMMEDIAT_4;
390	reg_HAS_IMMEDIAT_3 <= reg_HAS_IMMEDIAT_4;
391	reg_TYPE_3 <= reg_TYPE_4;
392	reg_OPERATION_3 <= reg_OPERATION_4;
393	reg_PACKET_ID_3 <= reg_PACKET_ID_4;
394	reg_OOO_ENGINE_ID_3 <= reg_OOO_ENGINE_ID_4;
395
396	reg_VALID_4 <= reg_VALID_5;
397	reg_NUM_REG_RE_4 <= reg_NUM_REG_RE_5;
398	reg_WRITE_RE_4 <= reg_WRITE_RE_5;
399	reg_NUM_REG_RD_4 <= reg_NUM_REG_RD_5;
400	reg_WRITE_RD_4 <= reg_WRITE_RD_5;
401	reg_DATA_RC_4 <= reg_DATA_RC_5;
402	reg_DATA_RB_4 <= reg_DATA_RB_5;
403	reg_DATA_RA_4 <= reg_DATA_RA_5;
404	reg_IMMEDIAT_4 <= reg_IMMEDIAT_5;
405	reg_HAS_IMMEDIAT_4 <= reg_HAS_IMMEDIAT_5;
406	reg_TYPE_4 <= reg_TYPE_5;
407	reg_OPERATION_4 <= reg_OPERATION_5;
408	reg_PACKET_ID_4 <= reg_PACKET_ID_5;
409	reg_OOO_ENGINE_ID_4 <= reg_OOO_ENGINE_ID_5;
410
411	reg_VALID_5 <= reg_VALID_6;
412	reg_NUM_REG_RE_5 <= reg_NUM_REG_RE_6;
413	reg_WRITE_RE_5 <= reg_WRITE_RE_6;
414	reg_NUM_REG_RD_5 <= reg_NUM_REG_RD_6;
415	reg_WRITE_RD_5 <= reg_WRITE_RD_6;
416	reg_DATA_RC_5 <= reg_DATA_RC_6;
417	reg_DATA_RB_5 <= reg_DATA_RB_6;
418	reg_DATA_RA_5 <= reg_DATA_RA_6;
419	reg_IMMEDIAT_5 <= reg_IMMEDIAT_6;
420	reg_HAS_IMMEDIAT_5 <= reg_HAS_IMMEDIAT_6;
421	reg_TYPE_5 <= reg_TYPE_6;
422	reg_OPERATION_5 <= reg_OPERATION_6;
423	reg_PACKET_ID_5 <= reg_PACKET_ID_6;
424	reg_OOO_ENGINE_ID_5 <= reg_OOO_ENGINE_ID_6;
425
426	reg_VALID_6 <= reg_VALID_7;
427	reg_NUM_REG_RE_6 <= reg_NUM_REG_RE_7;
428	reg_WRITE_RE_6 <= reg_WRITE_RE_7;
429	reg_NUM_REG_RD_6 <= reg_NUM_REG_RD_7;
430	reg_WRITE_RD_6 <= reg_WRITE_RD_7;
431	reg_DATA_RC_6 <= reg_DATA_RC_7;
432	reg_DATA_RB_6 <= reg_DATA_RB_7;
433	reg_DATA_RA_6 <= reg_DATA_RA_7;
434	reg_IMMEDIAT_6 <= reg_IMMEDIAT_7;
435	reg_HAS_IMMEDIAT_6 <= reg_HAS_IMMEDIAT_7;
436	reg_TYPE_6 <= reg_TYPE_7;
437	reg_OPERATION_6 <= reg_OPERATION_7;
438	reg_PACKET_ID_6 <= reg_PACKET_ID_7;
439	reg_OOO_ENGINE_ID_6 <= reg_OOO_ENGINE_ID_7;
440	end if;
441	end if;
442	end if;
443	end process;
444
445	--
446	-- -----------------------------------
447	-- -- Insides
448	-- -----------------------------------
449	--
450
451	sig_B_OPERAND <= reg_IMMEDIAT_1 when (reg_HAS_IMMEDIAT_1 = '1') else
452	reg_DATA_RB_1;
453	--
454	-- ALU
455	--
456	sig_IS_ARITH <= reg_OPERATION_1(0) or reg_OPERATION_1(1) or reg_OPERATION_1(2);
457	sig_IS_LOGIC <= reg_OPERATION_1(3) or reg_OPERATION_1(4) or reg_OPERATION_1(5);
458	sig_CIN_ARITH <= reg_DATA_RC_1(1) and reg_OPERATION_1(1);
459	sig_ARITH_B_OPERAND <= ((not sig_B_OPERAND) + 1) when (reg_OPERATION_1(2) = '1') else
460	sig_B_OPERAND;
461	sig_RES_ARITH <= ('0' & reg_DATA_RA_1) + ('0' & sig_ARITH_B_OPERAND) + ("000000000000000000000000000000" & sig_CIN_ARITH);
462
463	sig_A_AND_B <= reg_DATA_RA_1 and sig_B_OPERAND;
464	sig_A_OR_B <= reg_DATA_RA_1 or sig_B_OPERAND;
465	sig_A_XOR_B <= reg_DATA_RA_1 xor sig_B_OPERAND;
466
467	with reg_OPERATION_1 select
468	sig_RES_LOGIC <=
469	sig_A_AND_B when "0001000",
470	sig_A_OR_B when "0010000",
471	sig_A_XOR_B when "0100000",
472	"00000000000000000000000000000000" when others;
473	sig_RES_ALU <=
474	sig_RES_ARITH (31 downto 0) when (sig_IS_ARITH = '1') else
475	sig_RES_LOGIC when (sig_IS_LOGIC = '1') else
476	"00000000000000000000000000000000";
477
478	-- In ISA l.sub doesn't change carry flag.
479	sig_COUT_ALU <= (sig_RES_ARITH(32) and (reg_OPERATION_1(0) or reg_OPERATION_1(1))) or (reg_OPERATION_1(2) and reg_DATA_RC_1(1));
480	sig_OVR_ALU <= ((sig_ARITH_B_OPERAND(31) and reg_DATA_RA_1(31) and not sig_RES_ARITH(31)) or (not sig_ARITH_B_OPERAND(31) and not reg_DATA_RA_1(31) and sig_RES_ARITH(31))) and sig_IS_ARITH;
481
482	--
483	-- MOVE
484	--
485	sig_MOVHI <= reg_IMMEDIAT_1(15 downto 0) & "0000000000000000";
486	sig_CMOV <=
487	reg_DATA_RA_1 when (reg_DATA_RC_1(0) = '1') else
488	reg_DATA_RB_1;
489	sig_RES_MOVE <=
490	sig_MOVHI when (reg_OPERATION_1(0) = '1') else
491	sig_CMOV when (reg_OPERATION_1(1) = '1') else
492	"00000000000000000000000000000000";
493
494	--
495	-- TEST
496	--
497	sig_IS_LESS <= reg_OPERATION_1(3);
498	sig_A_COMPARE <=
499	sig_B_OPERAND when (sig_IS_LESS = '1') else
500	reg_DATA_RA_1;
501
502	sig_B_COMPARE <=
503	reg_DATA_RA_1 when (sig_IS_LESS = '1') else
504	sig_B_OPERAND;
505
506	a_gt_b_s : c_compare_v9_0
507	generic map (
508	c_width => 32,
509	c_data_type => 0, -- 0 = signed, 1 = unsigned
510	c_has_a_eq_b => 0,
511	c_has_a_gt_b => 1)
512	port map (
513	a => sig_A_COMPARE,
514	b => sig_B_COMPARE,
515	a_gt_b => sig_A_GT_B_S);
516
517	a_gt_b_u : c_compare_v9_0
518	generic map (
519	c_width => 32,
520	c_data_type => 1, -- 0 = signed, 1 = unsigned
521	c_has_a_eq_b => 0,
522	c_has_a_gt_b => 1)
523	port map (
524	a => sig_A_COMPARE,
525	b => sig_B_COMPARE,
526	a_gt_b => sig_A_GT_B_U);
527
528	a_eq_b : c_compare_v9_0
529	generic map ( -- sign doesn't matter for
530	-- equality test
531	c_width => 32,
532	c_has_a_eq_b => 1,
533	c_has_a_gt_b => 0)
534	port map (
535	a => sig_A_COMPARE,
536	b => sig_B_COMPARE,
537	a_eq_b => sig_A_EQ_B);
538
539	sig_IS_SIGNED <= reg_OPERATION_1(6);
540	sig_A_GT_B <=
541	sig_A_GT_B_S when (sig_IS_SIGNED = '1') else
542	sig_A_GT_B_U;
543	sig_A_GE_B <= sig_A_GT_B or sig_A_EQ_B;
544	sig_A_NE_B <= not sig_A_EQ_B;
545
546	sig_FLAG_F <=
547	(sig_A_EQ_B and reg_OPERATION_1(4)) or
548	(sig_A_NE_B and reg_OPERATION_1(5)) or
549	(sig_A_GE_B and reg_OPERATION_1(0)) or
550	(sig_A_GT_B and reg_OPERATION_1(1));
551
552
553	--
554	-- BRANCH
555	--
556	sig_NOSQ_BRANCH <= (reg_DATA_RC_1(0) and reg_OPERATION_1(2)) or (not reg_DATA_RC_1(0) and reg_OPERATION_1(1)) or reg_OPERATION_1(3);
557	sig_RES_BRANCH <=
558	reg_IMMEDIAT_1(29 downto 0) & "00"when (reg_OPERATION_1(3) = '1') else
559	"00000000000000000000000000000000";
560	sig_ADDR_BRANCH <=
561	reg_DATA_RB_1(31 downto 2) when (reg_OPERATION_1(3) = '1') else
562	reg_IMMEDIAT_1(29 downto 0);
563
564	--
565	-- SHIFTER
566	--
567	-- Instance shifter
568	instance_Functionnal_unit_0_shifter : Functionnal_unit_0_shifter
569	port map (
570	in_SHIFTER_0_DATA => reg_DATA_RA_1
571	, in_SHIFTER_0_SHIFT => sig_B_OPERAND(4 downto 0)
572	, in_SHIFTER_0_DIRECTION => reg_OPERATION_1(0)
573	, in_SHIFTER_0_TYPE => reg_OPERATION_1(1)
574	, in_SHIFTER_0_CARRY => reg_OPERATION_1(2)
575	,out_SHIFTER_0_DATA => sig_RES_SHIFTER
576	);
577
578
579	--
580	-- EXTEND
581	--
582	sig_EXT_BYTE_S <=
583	"111111111111111111111111" & reg_DATA_RA_1 (7 downto 0) when (reg_DATA_RA_1 (7) = '1') else
584	"000000000000000000000000" & reg_DATA_RA_1 (7 downto 0);
585
586	sig_EXT_BYTE_Z <=
587	"000000000000000000000000" & reg_DATA_RA_1 (7 downto 0);
588
589	sig_EXT_HALF_WORD_S <=
590	"1111111111111111" & reg_DATA_RA_1 (15 downto 0) when (reg_DATA_RA_1 (15) = '1') else
591	"0000000000000000" & reg_DATA_RA_1 (15 downto 0);
592
593	sig_EXT_HALF_WORD_Z <=
594	"0000000000000000" & reg_DATA_RA_1 (15 downto 0);
595
596	sig_EXT_WORD_S <=
597	"" & reg_DATA_RA_1 (31 downto 0) when (reg_DATA_RA_1 (31) = '1') else
598	"" & reg_DATA_RA_1 (31 downto 0);
599
600	sig_EXT_WORD_Z <=
601	"" & reg_DATA_RA_1 (31 downto 0);
602
603	sig_EXT_S <=
604	sig_EXT_BYTE_S when (reg_IMMEDIAT_1 = 8) else
605	sig_EXT_HALF_WORD_S when (reg_IMMEDIAT_1 = 16) else
606	sig_EXT_WORD_S;
607
608	sig_EXT_Z <=
609	sig_EXT_BYTE_Z when (reg_IMMEDIAT_1 = 8) else
610	sig_EXT_HALF_WORD_Z when (reg_IMMEDIAT_1 = 16) else
611	sig_EXT_WORD_Z;
612
613	sig_RES_EXTEND <=
614	sig_EXT_Z when (reg_OPERATION_1(0) = '1') else
615	sig_EXT_S;
616
617
618	--
619	-- FIND
620	--
621	sig_FF1 <=
622	"000001" when (reg_DATA_RA_1 (0) = '1') else
623	"000010" when (reg_DATA_RA_1 (1) = '1') else
624	"000011" when (reg_DATA_RA_1 (2) = '1') else
625	"000100" when (reg_DATA_RA_1 (3) = '1') else
626	"000101" when (reg_DATA_RA_1 (4) = '1') else
627	"000110" when (reg_DATA_RA_1 (5) = '1') else
628	"000111" when (reg_DATA_RA_1 (6) = '1') else
629	"001000" when (reg_DATA_RA_1 (7) = '1') else
630	"001001" when (reg_DATA_RA_1 (8) = '1') else
631	"001010" when (reg_DATA_RA_1 (9) = '1') else
632	"001011" when (reg_DATA_RA_1 (10) = '1') else
633	"001100" when (reg_DATA_RA_1 (11) = '1') else
634	"001101" when (reg_DATA_RA_1 (12) = '1') else
635	"001110" when (reg_DATA_RA_1 (13) = '1') else
636	"001111" when (reg_DATA_RA_1 (14) = '1') else
637	"010000" when (reg_DATA_RA_1 (15) = '1') else
638	"010001" when (reg_DATA_RA_1 (16) = '1') else
639	"010010" when (reg_DATA_RA_1 (17) = '1') else
640	"010011" when (reg_DATA_RA_1 (18) = '1') else
641	"010100" when (reg_DATA_RA_1 (19) = '1') else
642	"010101" when (reg_DATA_RA_1 (20) = '1') else
643	"010110" when (reg_DATA_RA_1 (21) = '1') else
644	"010111" when (reg_DATA_RA_1 (22) = '1') else
645	"011000" when (reg_DATA_RA_1 (23) = '1') else
646	"011001" when (reg_DATA_RA_1 (24) = '1') else
647	"011010" when (reg_DATA_RA_1 (25) = '1') else
648	"011011" when (reg_DATA_RA_1 (26) = '1') else
649	"011100" when (reg_DATA_RA_1 (27) = '1') else
650	"011101" when (reg_DATA_RA_1 (28) = '1') else
651	"011110" when (reg_DATA_RA_1 (29) = '1') else
652	"011111" when (reg_DATA_RA_1 (30) = '1') else
653	"100000" when (reg_DATA_RA_1 (31) = '1') else
654	"000000";
655
656	sig_FL1 <=
657	"100000" when (reg_DATA_RA_1 (31) = '1') else
658	"011111" when (reg_DATA_RA_1 (30) = '1') else
659	"011110" when (reg_DATA_RA_1 (29) = '1') else
660	"011101" when (reg_DATA_RA_1 (28) = '1') else
661	"011100" when (reg_DATA_RA_1 (27) = '1') else
662	"011011" when (reg_DATA_RA_1 (26) = '1') else
663	"011010" when (reg_DATA_RA_1 (25) = '1') else
664	"011001" when (reg_DATA_RA_1 (24) = '1') else
665	"011000" when (reg_DATA_RA_1 (23) = '1') else
666	"010111" when (reg_DATA_RA_1 (22) = '1') else
667	"010110" when (reg_DATA_RA_1 (21) = '1') else
668	"010101" when (reg_DATA_RA_1 (20) = '1') else
669	"010100" when (reg_DATA_RA_1 (19) = '1') else
670	"010011" when (reg_DATA_RA_1 (18) = '1') else
671	"010010" when (reg_DATA_RA_1 (17) = '1') else
672	"010001" when (reg_DATA_RA_1 (16) = '1') else
673	"010000" when (reg_DATA_RA_1 (15) = '1') else
674	"001111" when (reg_DATA_RA_1 (14) = '1') else
675	"001110" when (reg_DATA_RA_1 (13) = '1') else
676	"001101" when (reg_DATA_RA_1 (12) = '1') else
677	"001100" when (reg_DATA_RA_1 (11) = '1') else
678	"001011" when (reg_DATA_RA_1 (10) = '1') else
679	"001010" when (reg_DATA_RA_1 (9) = '1') else
680	"001001" when (reg_DATA_RA_1 (8) = '1') else
681	"001000" when (reg_DATA_RA_1 (7) = '1') else
682	"000111" when (reg_DATA_RA_1 (6) = '1') else
683	"000110" when (reg_DATA_RA_1 (5) = '1') else
684	"000101" when (reg_DATA_RA_1 (4) = '1') else
685	"000100" when (reg_DATA_RA_1 (3) = '1') else
686	"000011" when (reg_DATA_RA_1 (2) = '1') else
687	"000010" when (reg_DATA_RA_1 (1) = '1') else
688	"000001" when (reg_DATA_RA_1 (0) = '1') else
689	"000000";
690
691	sig_RES_FIND <=
692	"00000000000000000000000000"&sig_FF1 when (reg_OPERATION_1(0) = '1') else
693	"00000000000000000000000000"&sig_FL1;
694
695
696	--
697	-- SPECIAL
698	--
699	sig_SPR_IS_HERE <=
700	'1' when (sig_A_OR_B(15 downto 0) = "00101") else
701	'0';
702	-- MFSPR
703	sig_MFSPR <=
704	reg_MACLO(0) when (sig_SPR_IS_HERE = '1' and sig_A_OR_B(10 downto 0) = "00000000001") else
705	reg_MACHI(0) when (sig_SPR_IS_HERE = '1' and sig_A_OR_B(10 downto 0) = "00000000010") else
706	"00000000000000000000000000000000";
707
708
709	-- MTSPR
710	process (in_CLOCK)
711	begin
712	if in_CLOCK'event and in_CLOCK = '1' then
713	if (sig_SPR_IS_HERE = '1') then
714	if (sig_A_OR_B(10 downto 0) = "00000000001") then
715	reg_MACLO(0) <= reg_DATA_RB_1;
716	end if;
717	if (sig_A_OR_B(10 downto 0) = "00000000010") then
718	reg_MACHI(0) <= reg_DATA_RB_1;
719	end if;
720	end if;
721	end if;
722	end process;
723
724	sig_RES_SPECIAL <=
725	sig_MFSPR when (reg_OPERATION_1 = "0000001") else
726	reg_DATA_RB_1 when (reg_OPERATION_1 = "0000010") else
727	"00000000000000000000000000000000";
728
729	--
730	-- TRANSACTION
731	--
732	sig_BUSY <=
733	-- reg_FUNCTIONAL_QUEUE(34)(0) when in_EXECUTE_IN_OPERATION = "" else
734	reg_FUNCTIONAL_QUEUE(7)(0) when in_EXECUTE_IN_OPERATION = "" else
735	reg_FUNCTIONAL_QUEUE(1)(0);
736	sig_EXECUTE_OUT_VAL <= reg_FUNCTIONAL_QUEUE(0)(0);
737	sig_EXECUTE_OUT_UPDATE <= not reg_FUNCTIONAL_QUEUE(0)(0) or in_EXECUTE_OUT_ACK;
738	sig_EXECUTE_IN_ACK <= not sig_BUSY or sig_EXECUTE_OUT_UPDATE;
739
740	--
741	-- -----------------------------------
742	-- --
743	-- -----------------------------------
744	--
745
746	sig_EXECUTE_OUT_OOO_ENGINE_ID <= reg_OOO_ENGINE_ID_1;
747	sig_EXECUTE_OUT_PACKET_ID <= reg_EXECUTE_IN_PACKET_ID;
748	sig_EXECUTE_OUT_WRITE_RD <= reg_WRITE_RD_1;
749	sig_EXECUTE_OUT_NUM_REG_RD <= reg_NUM_REG_RD_1;
750	with reg_TYPE_1 select
751	sig_EXECUTE_OUT_DATA_RD <=
752	sig_RES_ALU when "00000",
753	sig_RES_MOVE when "00010",
754	sig_RES_BRANCH when "01010",
755	sig_RES_SHIFTER when "00001",
756	sig_RES_EXTEND when "00110",
757	sig_RES_FIND when "00111",
758	sig_RES_SPECIAL when "01000",
759	"00000000000000000000000000000000" when others;
760	sig_EXECUTE_OUT_WRITE_RE <= reg_WRITE_RE_1;
761	sig_EXECUTE_OUT_NUM_REG_RE <= reg_NUM_REG_RE_1;
762	with reg_TYPE_1 select
763	sig_EXECUTE_OUT_DATA_RE <=
764	sig_COUT_ALU & sig_OVR_ALU when "00000",
765	'0' & sig_FLAG_F when "00011",
766	"00" when others;
767	sig_EXECUTE_OUT_EXCEPTION <=
768	"01011" when (reg_TYPE_1 = "00000" and sig_OVR_ALU = '1') else
769	"10011" when (reg_TYPE_1 = "01000" and reg_OPERATION_1 = "0000001" and sig_SPR_IS_HERE = '0') else
770	"10100" when (reg_TYPE_1 = "01000" and reg_OPERATION_1 = "0000010" and sig_SPR_IS_HERE = '0') else
771	"00000";
772	with reg_TYPE_1 select
773	sig_EXECUTE_OUT_NO_SEQUENCE <=
774	sig_NOSQ_BRANCH when "01010",
775	'0'when others;
776	with reg_TYPE_1 select
777	sig_EXECUTE_OUT_ADDRESS <=
778	sig_ADDR_BRANCH when "01010",
779	sig_A_OR_B(29 downto 0) when "01000",
780	"000000000000000000000000000000" when others;
781
782	--
783	-- -----------------------------------
784	-- -- Outputs
785	-- -----------------------------------
786	--
787
788	out_EXECUTE_OUT_OOO_ENGINE_ID <= reg_EXECUTE_OUT_OOO_ENGINE_ID;
789	out_EXECUTE_OUT_PACKET_ID <= reg_EXECUTE_OUT_PACKET_ID;
790	out_EXECUTE_OUT_WRITE_RD <= reg_EXECUTE_OUT_WRITE_RD;
791	out_EXECUTE_OUT_NUM_REG_RD <= reg_EXECUTE_OUT_NUM_REG_RD;
792	out_EXECUTE_OUT_DATA_RD <= reg_EXECUTE_OUT_DATA_RD;
793	out_EXECUTE_OUT_WRITE_RE <= reg_EXECUTE_OUT_WRITE_RE;
794	out_EXECUTE_OUT_NUM_REG_RE <= reg_EXECUTE_OUT_NUM_REG_RE;
795	out_EXECUTE_OUT_DATA_RE <= reg_EXECUTE_OUT_DATA_RE;
796	out_EXECUTE_OUT_EXCEPTION <= reg_EXECUTE_OUT_EXCEPTION;
797	out_EXECUTE_OUT_NO_SEQUENCE <= reg_EXECUTE_OUT_NO_SEQUENCE;
798	out_EXECUTE_OUT_ADDRESS <= reg_EXECUTE_OUT_ADDRESS;
799	out_EXECUTE_OUT_VAL <= sig_EXECUTE_OUT_VAL;
800	out_EXECUTE_IN_ACK <= sig_EXECUTE_IN_ACK;
801
802	end behavioural;
803

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source: trunk/IPs/systemC/processor/Morpheo/Behavioural/Core/Multi_Execute_loop/Execute_loop/Multi_Execute_unit/Execute_unit/Functionnal_unit/save/Functionnal_unit_0.vhdl @ 116

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