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vci_cc_xcache_wrapper_v4.cpp @ 144

Last change on this file since 144 was 144, checked in by kane, 14 years ago
in vci_cc_xcache_wrapper_v4 : (1) Fix bug in MISS_VICTIM state, (2) add HIT after MISS, (3) add STORE after STORE
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1	/* -- c++ --
2	*
3	* SOCLIB_LGPL_HEADER_BEGIN
4	*
5	* This file is part of SoCLib, GNU LGPLv2.1.
6	*
7	* SoCLib is free software; you can redistribute it and/or modify it
8	* under the terms of the GNU Lesser General Public License as published
9	* by the Free Software Foundation; version 2.1 of the License.
10	*
11	* SoCLib is distributed in the hope that it will be useful, but
12	* WITHOUT ANY WARRANTY; without even the implied warranty of
13	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14	* Lesser General Public License for more details.
15	*
16	* You should have received a copy of the GNU Lesser General Public
17	* License along with SoCLib; if not, write to the Free Software
18	* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
19	* 02110-1301 USA
20	*
21	* SOCLIB_LGPL_HEADER_END
22	*
23	* Copyright (c) UPMC, Lip6, SoC
24	* Alain Greiner <alain.greiner@lip6.fr>, 2008
25	*
26	* Maintainers: alain eric.guthmuller@polytechnique.edu nipo
27	*/
28
29	/////////////////////////////////////////////////////////////////////////////
30	// History
31	// - 25/04/2008
32	// The existing vci_xcache component has been extended to include
33	// a VCI target port to support a directory based coherence protocol.
34	// Two types of packets can be send by the L2 cache to the L1 cache
35	// * INVALIDATE packets : length = 1
36	// * UPDATE packets : length = n + 2
37	// The CLEANUP packets are sent by the L1 cache to the L2 cache,
38	// to signal a replaced cache line.
39	// - 12/08/2008
40	// The vci_cc_xcache_wrapper component instanciates directly the processsor
41	// iss, in order to supress the processor/cache interface.
42	// According to the VCI advanced specification, this component uses one
43	// word VCI CMD packets for MISS transactions, and accept one word VCI RSP
44	// packets for Write burst transactions.
45	// The write buffer has been modified to use the WriteBuffer object.
46	// A VCI write burst is constructed when two conditions are satisfied :
47	// The processor make strictly successive write requests, and they are
48	// in the same cache line. The write buffer performs re-ordering, to
49	// respect the contiguous addresses VCI constraint. In case of several
50	// WRITE_WORD requests in the same word, only the last request is conserved.
51	// In case of several WRITE_HALF or WRITE_WORD requests in the same word,
52	// the requests are merged in the same word. In case of uncached write
53	// requests, each request is transmited as a single VCI transaction.
54	// Both the data & instruction caches can be flushed in one single cycle.
55	///////////////////////////////////////////////////////////////////////////////
56
57	#include <iomanip>
58	#include "arithmetics.h"
59	#include "size.h"
60	#include "../include/vci_cc_xcache_wrapper_v4.h"
61
62	// =====[ DEBUG ]====================================
63
64	#define ASSERT_VERBOSE
65	#define ASSERT_NCYCLES m_cpt_total_cycles
66
67	#include "debug.h"
68
69	#if CC_XCACHE_WRAPPER_DEBUG
70	# define PRINTF(msg...) PRINTF_COND(m_cpt_total_cycles>=CC_XCACHE_WRAPPER_DEBUG_CYCLE_MIN,msg)
71	#else
72	# define PRINTF(msg...)
73	#endif
74
75	// =====[ FIFO_RSP ]=================================
76
77	#if (CC_XCACHE_WRAPPER_FIFO_RSP==1)
78	# define CACHE_MISS_BUF_ALLOC do { \
79	r_icache_miss_buf = new std::queue<data_t> [m_nb_icache]; \
80	r_dcache_miss_buf = new std::queue<data_t> [m_nb_dcache]; \
81	} while (0)
82	# define CACHE_MISS_BUF_DEALLOC do { \
83	delete [] r_icache_miss_buf; \
84	delete [] r_dcache_miss_buf; \
85	} while (0)
86	# define CACHE_MISS_BUF_RESET(c) do { \
87	for (uint32_t x=0; x<m_nb_##c##cache; ++x) { \
88	while (r_##c##cache_miss_buf[x].size()>0) { \
89	r_##c##cache_miss_buf[x].pop(); \
90	} \
91	} \
92	} while (0)
93	# define CACHE_MISS_BUF_REQ_INIT(c,x)
94	# define CACHE_MISS_BUF_RSP_VAL(c,x,n) (r_##c##cache_miss_buf[x].size()>0)
95	# define CACHE_MISS_BUF_RSP_ACK(c,x) (r_##c##cache_miss_buf[x].size()<2)
96	# define CACHE_MISS_BUF_RSP_DATA(c,x,n) r_##c##cache_miss_buf[x].front()
97	# define CACHE_MISS_BUF_RSP_POP(c,x) do { \
98	r_##c##cache_miss_buf[x].pop(); \
99	} while (0)
100	# define CACHE_MISS_BUF_RSP_PUSH(c,x,n,d) do { \
101	r_##c##cache_miss_buf[x].push(d); \
102	} while (0)
103	# define CACHE_MISS_BUF_RSP_PRINT(c) do { \
104	for (uint32_t x=0; x<m_nb_##c##cache; ++x) { \
105	PRINTF(" * cache_miss_buf - size : %d\n",r_##c##cache_miss_buf[x].size()); \
106	} \
107	} while (0)
108	#elif (CC_XCACHE_WRAPPER_FIFO_RSP==2)
109	# define CACHE_MISS_BUF_ALLOC
110	# define CACHE_MISS_BUF_DEALLOC
111	# define CACHE_MISS_BUF_RESET(c) do { \
112	while (r_##c##cache_miss_buf.size()>0) { \
113	r_##c##cache_miss_buf.pop(); \
114	} \
115	} while (0)
116	# define CACHE_MISS_BUF_REQ_INIT(c,x)
117	# define CACHE_MISS_BUF_RSP_VAL(c,x,n) ((r_##c##cache_miss_buf.size()>0) and (r_##c##cache_miss_buf.front().num_cache==x))
118	# define CACHE_MISS_BUF_RSP_ACK(c,x) (r_##c##cache_miss_buf.size()<2)
119	# define CACHE_MISS_BUF_RSP_DATA(c,x,n) r_##c##cache_miss_buf.front().data
120	# define CACHE_MISS_BUF_RSP_POP(c,x) do { \
121	r_##c##cache_miss_buf.pop(); \
122	} while (0)
123	# define CACHE_MISS_BUF_RSP_PUSH(c,x,n,d) do { \
124	miss_buf_t miss_buf; \
125	miss_buf.data = d; \
126	miss_buf.num_cache = x; \
127	r_##c##cache_miss_buf.push(miss_buf); \
128	} while (0)
129	# define CACHE_MISS_BUF_RSP_PRINT(c) do { \
130	PRINTF(" * cache_miss_buf - size : %d\n",r_##c##cache_miss_buf.size()); \
131	} while (0)
132	#else
133	# define CACHE_MISS_BUF_ALLOC do { \
134	r_icache_miss_val = new bool * [m_nb_icache]; \
135	r_icache_miss_buf = new data_t * [m_nb_icache]; \
136	for (uint32_t x=0; x<m_nb_icache;++x) { \
137	r_icache_miss_val [x] = new bool [m_icache_words]; \
138	r_icache_miss_buf [x] = new data_t [m_icache_words]; \
139	} \
140	r_dcache_miss_val = new bool * [m_nb_dcache]; \
141	r_dcache_miss_buf = new data_t * [m_nb_dcache]; \
142	for (uint32_t x=0; x<m_nb_dcache;++x) { \
143	r_dcache_miss_val [x] = new bool [m_dcache_words]; \
144	r_dcache_miss_buf [x] = new data_t [m_dcache_words]; \
145	} \
146	} while (0)
147	# define CACHE_MISS_BUF_DEALLOC do { \
148	for (uint32_t x=0; x<m_nb_icache;++x) { \
149	delete [] r_icache_miss_val[x]; \
150	delete [] r_icache_miss_buf[x]; \
151	} \
152	delete [] r_icache_miss_val; \
153	delete [] r_icache_miss_buf; \
154	for (uint32_t x=0; x<m_nb_dcache;++x) { \
155	delete [] r_dcache_miss_val[x]; \
156	delete [] r_dcache_miss_buf[x]; \
157	} \
158	delete [] r_dcache_miss_val; \
159	delete [] r_dcache_miss_buf; \
160	} while (0)
161	# define CACHE_MISS_BUF_RESET(c)
162	# define CACHE_MISS_BUF_REQ_INIT(c,x) do { \
163	for (uint32_t i=0; i<m_##c##cache_words;++i) \
164	r_##c##cache_miss_val[x][i] = false; \
165	} while (0)
166	# define CACHE_MISS_BUF_RSP_VAL(c,x,n) r_##c##cache_miss_val[x][n]
167	# define CACHE_MISS_BUF_RSP_ACK(c,x) true
168	# define CACHE_MISS_BUF_RSP_DATA(c,x,n) r_##c##cache_miss_buf[x][n]
169	# define CACHE_MISS_BUF_RSP_POP(c,x)
170	# define CACHE_MISS_BUF_RSP_PUSH(c,x,n,d) do { \
171	r_##c##cache_miss_val[x][n] = true; \
172	r_##c##cache_miss_buf[x][n] = d; \
173	} while (0)
174	# define CACHE_MISS_BUF_RSP_PRINT(c) do { \
175	for (uint32_t x=0; x<m_nb_##c##cache;++x) \
176	for (uint32_t i=0; i<m_##c##cache_words;++i) \
177	PRINTF("%d %x \|",r_##c##cache_miss_val[x][i],r_##c##cache_miss_buf[x][i]); PRINTF("\n"); \
178	} while (0)
179	#endif
180
181	// =====[ MULTI_CACHE ]==============================
182
183	#if (CC_XCACHE_WRAPPER_MULTI_CACHE==1)
184	# define get_num_icache( addr,num_cpu) get_num_cache (addr)
185	# define get_num_icache_only(addr,num_cpu) get_num_cache_only(addr)
186	# define set_num_icache( addr,num_cache) set_num_cache (addr,num_cache)
187	# define set_num_icache_only(addr,num_cache) set_num_cache_only(addr,num_cache)
188	# define get_num_dcache( addr) get_num_cache (addr)
189	# define get_num_dcache_only(addr) get_num_cache_only(addr)
190	# define set_num_dcache( addr,num_cache) set_num_cache (addr,num_cache)
191	# define set_num_dcache_only(addr,num_cache) set_num_cache_only(addr,num_cache)
192	#elif (CC_XCACHE_WRAPPER_MULTI_CACHE==2)
193	# define get_num_icache( addr,num_cpu) num_cpu
194	# define get_num_icache_only(addr,num_cpu) num_cpu
195	# define set_num_icache( addr,num_cache) do {} while (0)
196	# define set_num_icache_only(addr,num_cache) addr
197	# define get_num_dcache( addr) get_num_cache (addr)
198	# define get_num_dcache_only(addr) get_num_cache_only(addr)
199	# define set_num_dcache( addr,num_cache) set_num_cache (addr,num_cache)
200	# define set_num_dcache_only(addr,num_cache) set_num_cache_only(addr,num_cache)
201	#else
202	#error "Invalid value to CC_XCACHE_WRAPPER_MULTI_CACHE"
203	#endif
204
205	namespace soclib {
206	namespace caba {
207	namespace {
208
209	const char *dcache_fsm_state_str[] = {
210	"DCACHE_IDLE",
211	"DCACHE_WRITE_UPDT",
212	"DCACHE_MISS_VICTIM",
213	"DCACHE_MISS_WAIT",
214	"DCACHE_MISS_UPDT",
215	"DCACHE_UNC_WAIT",
216	"DCACHE_SC_WAIT",
217	"DCACHE_INVAL",
218	"DCACHE_SYNC",
219	"DCACHE_ERROR",
220	"DCACHE_CC_CHECK",
221	"DCACHE_CC_INVAL",
222	"DCACHE_CC_UPDT",
223	"DCACHE_CC_CLEANUP",
224	};
225	const char *icache_fsm_state_str[] = {
226	"ICACHE_IDLE",
227	"ICACHE_MISS_VICTIM",
228	"ICACHE_MISS_WAIT",
229	"ICACHE_MISS_UPDT",
230	"ICACHE_UNC_WAIT",
231	"ICACHE_ERROR",
232	"ICACHE_CC_CLEANUP",
233	"ICACHE_CC_CHECK",
234	"ICACHE_CC_INVAL",
235	"ICACHE_CC_UPDT",
236	};
237	const char *cmd_fsm_state_str[] = {
238	"CMD_IDLE",
239	"CMD_INS_MISS",
240	"CMD_INS_UNC",
241	"CMD_DATA_MISS",
242	"CMD_DATA_UNC",
243	"CMD_DATA_WRITE",
244	"CMD_DATA_SC",
245	};
246	const char *rsp_fsm_state_str[] = {
247	"RSP_IDLE",
248	"RSP_INS_MISS",
249	"RSP_INS_UNC",
250	"RSP_DATA_MISS",
251	"RSP_DATA_UNC",
252	"RSP_DATA_WRITE",
253	"RSP_DATA_SC",
254	};
255	const char *tgt_fsm_state_str[] = {
256	"TGT_IDLE",
257	"TGT_UPDT_WORD",
258	"TGT_UPDT_DATA",
259	"TGT_REQ_BROADCAST",
260	"TGT_REQ_ICACHE",
261	"TGT_REQ_DCACHE",
262	"TGT_RSP_BROADCAST",
263	"TGT_RSP_ICACHE",
264	"TGT_RSP_DCACHE",
265	};
266
267	const char *cleanup_fsm_state_str[] = {
268	"CLEANUP_IDLE",
269	"CLEANUP_REQ",
270	"CLEANUP_RSP_DCACHE",
271	"CLEANUP_RSP_ICACHE",
272	};
273	}
274
275	typedef long long unsigned int blob_t;
276
277	#define tmpl(...) template<typename vci_param, typename iss_t> __VA_ARGS__ VciCcXCacheWrapperV4<vci_param, iss_t>
278
279	using soclib::common::uint32_log2;
280
281	/////////////////////////////////
282	tmpl(/**/)::VciCcXCacheWrapperV4(
283	/////////////////////////////////
284	sc_module_name name,
285	int proc_id,
286	const soclib::common::MappingTable &mtp,
287	const soclib::common::MappingTable &mtc,
288	const soclib::common::IntTab &initiator_index_rw,
289	const soclib::common::IntTab &initiator_index_c,
290	const soclib::common::IntTab &target_index,
291	size_t nb_cpu,
292	size_t nb_dcache,
293	size_t icache_ways,
294	size_t icache_sets,
295	size_t icache_words,
296	size_t dcache_ways,
297	size_t dcache_sets,
298	size_t dcache_words,
299	size_t wbuf_nwords,
300	size_t wbuf_nlines,
301	size_t wbuf_timeout
302	)
303	:
304	soclib::caba::BaseModule(name),
305
306	p_clk ("clk"),
307	p_resetn ("resetn"),
308	p_vci_ini_rw("vci_ini_rw"),
309	p_vci_ini_c ("vci_ini_c"),
310	p_vci_tgt ("vci_tgt"),
311
312	m_cacheability_table(mtp.getCacheabilityTable<vci_addr_t>()),
313	m_segment(mtc.getSegment(target_index)),
314	m_srcid_rw(mtp.indexForId(initiator_index_rw)),
315	m_srcid_c(mtc.indexForId(initiator_index_c)),
316
317	m_nb_cpu(nb_cpu),
318	#if (CC_XCACHE_WRAPPER_MULTI_CACHE==1)
319	m_nb_icache(nb_dcache),
320	#elif (CC_XCACHE_WRAPPER_MULTI_CACHE==2)
321	m_nb_icache(m_nb_cpu),
322	#endif
323	m_nb_dcache(nb_dcache),
324	m_nb_cache((m_nb_dcache>m_nb_icache)?m_nb_dcache:m_nb_icache),
325	m_dcache_ways(dcache_ways),
326	m_dcache_words(dcache_words),
327	m_dcache_words_shift(uint32_log2(dcache_words)+uint32_log2(sizeof(data_t))),
328	m_dcache_yzmask((~0)<<m_dcache_words_shift),
329	m_icache_ways(icache_ways),
330	m_icache_words(icache_words),
331	m_icache_words_shift(uint32_log2(icache_words)+uint32_log2(sizeof(data_t))),
332	m_icache_yzmask((~0)<<m_icache_words_shift),
333	m_cache_words((dcache_words)?dcache_words:icache_words),
334
335	r_cpu_prior("r_cpu_prior"),
336
337	r_vci_cmd_fsm("r_vci_cmd_fsm"),
338	r_vci_cmd_min("r_vci_cmd_min"),
339	r_vci_cmd_max("r_vci_cmd_max"),
340	r_vci_cmd_cpt("r_vci_cmd_cpt"),
341	r_vci_cmd_dcache_prior("r_vci_cmd_dcache_prior"),
342	r_vci_cmd_num_cache("r_vci_cmd_num_cache"),
343
344	r_vci_rsp_fsm("r_vci_rsp_fsm"),
345	r_vci_rsp_cpt("r_vci_rsp_cpt"),
346	//s_vci_rsp_ack("s_vci_rsp_ack"),
347	r_vci_rsp_num_cache("r_vci_rsp_num_cache"),
348
349	#if CC_XCACHE_WRAPPER_CC_UPDATE_MULTI_CYCLE
350	r_cache_word("r_cache_word"),
351	#endif
352
353	r_vci_tgt_fsm("r_vci_tgt_fsm"),
354	r_tgt_iaddr("r_tgt_iaddr"),
355	r_tgt_daddr("r_tgt_daddr"),
356	r_tgt_word("r_tgt_word"),
357	r_tgt_update("r_tgt_update"),
358	r_tgt_update_data("r_tgt_update_data"),
359	// r_tgt_brdcast("r_tgt_brdcast"),
360	r_tgt_srcid("r_tgt_srcid"),
361	r_tgt_pktid("r_tgt_pktid"),
362	r_tgt_trdid("r_tgt_trdid"),
363	// r_tgt_plen("r_tgt_plen"),
364	r_tgt_num_cache("r_tgt_num_cache"),
365
366	r_cleanup_fsm("r_cleanup_fsm"),
367	r_cleanup_num_cache("r_cleanup_num_cache"),
368	r_cleanup_icache("r_cleanup_icache"),
369
370	m_num_cache_LSB(uint32_log2(icache_words) + uint32_log2(sizeof(data_t))),
371	m_num_cache_MSB(uint32_log2(nb_dcache) + m_num_cache_LSB)
372	{
373	// Size of word is 32 bits
374	ASSERT((icache_words*vci_param::B) < (1<<vci_param::K),
375	"Need more PLEN bits.");
376
377	ASSERT((vci_param::T > 2) and ((1<<(vci_param::T-1)) >= (wbuf_nlines/m_nb_dcache)),
378	"Need more TRDID bits.");
379
380	ASSERT(uint32_log2(nb_dcache) <= (1<<vci_param::P),
381	"Need more PKTID bits.");
382
383	ASSERT(IS_POW_OF_2(m_nb_dcache),
384	"nb_dcache must be a power of 2.");
385
386	ASSERT(IS_POW_OF_2(m_nb_cpu) and (m_nb_cpu <= m_nb_dcache) and (m_nb_cpu > 0),
387	"nb cpu must be a multiple of nb cache.");
388
389	ASSERT(IS_POW_OF_2(m_icache_ways) and (m_nb_icache <= m_icache_ways),
390	"nb icache ways must be a multiple of nb cache.");
391
392	ASSERT(IS_POW_OF_2(m_dcache_ways) and (m_nb_dcache <= m_dcache_ways),
393	"nb dcache ways must be a multiple of nb cache.");
394
395	ASSERT(icache_words == dcache_words,
396	"icache_words must be equal at dcache_words.");
397
398	ASSERT(IS_POW_OF_2(wbuf_nlines) and (m_nb_dcache <= wbuf_nlines),
399	"wbuf_nlines must be a multiple of nb cache.");
400
401	// FIXME : s'adapter à la taille des requêtes XTN_READ/XTN_WRITE
402	ASSERT((m_nb_dcache == 1) or (dcache_words >= 16),
403	"When multi cache is activated, need 4 bits (16 word) to the cache set .");
404
405	if (m_nb_cpu > 1)
406	ASSERT(CC_XCACHE_MULTI_CPU!=0,
407	"Macro CC_XCACHE_MULTI_CPU in wbuf must be set at 1.");
408
409	p_irq = new sc_in<bool> * [m_nb_cpu];
410	for (uint32_t num_cpu=0; num_cpu<m_nb_cpu; ++num_cpu)
411	p_irq [num_cpu] = new sc_in<bool> [iss_t::n_irq];
412
413	m_iss = new iss_t * [m_nb_cpu];
414	for (uint32_t num_cpu=0; num_cpu<m_nb_cpu; ++num_cpu)
415	{
416	std::ostringstream iss_name("");
417	iss_name << this->name() << "_" << num_cpu;
418
419	m_iss[num_cpu] = new iss_t (iss_name.str().c_str(), proc_id+num_cpu);
420	}
421
422	CACHE_MISS_BUF_ALLOC;
423
424	r_icache_lock = new sc_signal<uint32_t>[m_nb_icache];
425	r_dcache_lock = new sc_signal<uint32_t>[m_nb_dcache];
426	r_dcache_sync = new sc_signal<bool> [m_nb_dcache];
427
428	r_icache_fsm = new sc_signal<int> [m_nb_icache];
429	r_icache_fsm_save = new sc_signal<int> [m_nb_icache];
430	r_icache_addr_save = new sc_signal<addr_40> [m_nb_icache];
431	r_icache_miss_req = new sc_signal<bool> [m_nb_icache];
432	r_icache_miss_way = new sc_signal<size_t> [m_nb_icache];
433	r_icache_miss_set = new sc_signal<size_t> [m_nb_icache];
434	r_icache_unc_req = new sc_signal<bool> [m_nb_icache];
435	r_icache_cleanup_req = new sc_signal<bool> [m_nb_icache];
436	r_icache_cleanup_line = new sc_signal<addr_40> [m_nb_icache];
437	r_icache_inval_rsp = new sc_signal<bool> [m_nb_icache];
438	r_icache_update_addr = new sc_signal<size_t> [m_nb_icache];
439	r_icache_buf_unc_valid = new sc_signal<bool> [m_nb_icache];
440
441	r_dcache_fsm = new sc_signal<int> [m_nb_dcache];
442	r_dcache_fsm_save = new sc_signal<int> [m_nb_dcache];
443	r_dcache_addr_save = new sc_signal<addr_40> [m_nb_dcache];
444	r_dcache_wdata_save = new sc_signal<data_t> [m_nb_dcache];
445	r_dcache_rdata_save = new sc_signal<data_t> [m_nb_dcache];
446	r_dcache_type_save = new sc_signal<int> [m_nb_dcache];
447	r_dcache_be_save = new sc_signal<be_t> [m_nb_dcache];
448	r_dcache_cached_save = new sc_signal<bool> [m_nb_dcache];
449	r_dcache_cleanup_req = new sc_signal<bool> [m_nb_dcache];
450	r_dcache_cleanup_line = new sc_signal<addr_40> [m_nb_dcache];
451	r_dcache_miss_req = new sc_signal<bool> [m_nb_dcache];
452	r_dcache_miss_way = new sc_signal<size_t> [m_nb_dcache];
453	r_dcache_miss_set = new sc_signal<size_t> [m_nb_dcache];
454	r_dcache_unc_req = new sc_signal<bool> [m_nb_dcache];
455	r_dcache_sc_req = new sc_signal<bool> [m_nb_dcache];
456	r_dcache_inval_rsp = new sc_signal<bool> [m_nb_dcache];
457	r_dcache_update_addr = new sc_signal<size_t> [m_nb_dcache];
458	r_dcache_previous_unc = new sc_signal<bool> [m_nb_dcache];
459
460	r_dcache_num_cpu_save = new sc_signal<uint32_t> [m_nb_dcache];
461	r_dcache_ll_data = new sc_signal<data_64> * [m_nb_dcache];
462	r_dcache_ll_addr = new sc_signal<addr_40> * [m_nb_dcache];
463	r_dcache_ll_valid = new sc_signal<bool> * [m_nb_dcache];
464	for (uint32_t num_cache=0; num_cache<m_nb_dcache; ++num_cache)
465	{
466	r_dcache_ll_data [num_cache] = new sc_signal<data_64> [m_nb_cpu];
467	r_dcache_ll_addr [num_cache] = new sc_signal<addr_40> [m_nb_cpu];
468	r_dcache_ll_valid [num_cache] = new sc_signal<bool> [m_nb_cpu];
469	}
470
471	r_tgt_icache_req = new sc_signal<bool> [m_nb_icache];
472	r_tgt_icache_rsp = new sc_signal<bool> [m_nb_icache];
473	r_tgt_dcache_req = new sc_signal<bool> [m_nb_dcache];
474	r_tgt_dcache_rsp = new sc_signal<bool> [m_nb_dcache];
475
476	r_tgt_buf = new data_t [m_cache_words];
477	r_tgt_be = new be_t [m_cache_words];
478
479	r_vci_rsp_ins_error = new sc_signal<bool> [m_nb_icache];
480	r_vci_rsp_data_error = new sc_signal<bool> [m_nb_dcache];
481
482	ireq = new typename iss_t::InstructionRequest [m_nb_icache];
483	irsp = new typename iss_t::InstructionResponse [m_nb_icache];
484	ireq_cached = new bool [m_nb_icache];
485	ireq_num_cpu = new uint32_t [m_nb_dcache];
486
487	dreq = new typename iss_t::DataRequest [m_nb_dcache];
488	drsp = new typename iss_t::DataResponse [m_nb_dcache];
489	dreq_cached = new bool [m_nb_dcache];
490	dreq_num_cpu = new uint32_t [m_nb_dcache];
491
492	m_cpt_icache_access = new uint32_t [m_nb_icache];
493	m_cpt_dcache_access = new uint32_t [m_nb_dcache];
494	m_cpt_icache_miss_victim_wait = new uint32_t [m_nb_icache];
495	m_cpt_dcache_miss_victim_wait = new uint32_t [m_nb_dcache];
496
497	#if CC_XCACHE_WRAPPER_STORE_AFTER_STORE
498	m_cpt_dcache_store_after_store = new uint32_t [m_nb_dcache];
499	#endif
500	#if CC_XCACHE_WRAPPER_MULTI_CACHE_HIT_AFTER_MISS
501	m_cpt_dcache_hit_after_miss_read = new uint32_t [m_nb_dcache];
502	m_cpt_dcache_hit_after_miss_write = new uint32_t [m_nb_dcache];
503	#endif
504
505	m_cpt_fsm_dcache = new uint32_t * [m_nb_dcache];
506	m_cpt_fsm_icache = new uint32_t * [m_nb_icache];
507	for (uint32_t num_cache=0; num_cache<m_nb_dcache; ++num_cache)
508	m_cpt_fsm_dcache[num_cache] = new uint32_t [soclib::common::size(dcache_fsm_state_str )];
509	for (uint32_t num_cache=0; num_cache<m_nb_icache; ++num_cache)
510	m_cpt_fsm_icache[num_cache] = new uint32_t [soclib::common::size(icache_fsm_state_str )];
511	m_cpt_fsm_cmd = new uint32_t [soclib::common::size(cmd_fsm_state_str )];
512	m_cpt_fsm_rsp = new uint32_t [soclib::common::size(rsp_fsm_state_str )];
513	m_cpt_fsm_tgt = new uint32_t [soclib::common::size(tgt_fsm_state_str )];
514	m_cpt_fsm_cleanup = new uint32_t [soclib::common::size(cleanup_fsm_state_str)];
515
516	m_cpt_frz_cycles = new uint32_t [m_nb_cpu];
517	// r_icache_fsm("r_icache_fsm"),
518	// r_icache_fsm_save("r_icache_fsm_save"),
519	// r_icache_addr_save("r_icache_addr_save"),
520	// r_icache_miss_req("r_icache_miss_req"),
521	// r_icache_miss_way("r_icache_miss_way"),
522	// r_icache_miss_set("r_icache_miss_set"),
523	// r_icache_unc_req("r_icache_unc_req"),
524	// r_icache_cleanup_req("r_icache_cleanup_req"),
525	// r_icache_cleanup_line("r_icache_cleanup_line"),
526	// r_icache_inval_rsp("r_icache_inval_rsp"),
527	// r_icache_update_addr("r_icache_update_addr"),
528	// r_icache_buf_unc_valid("r_icache_buf_unc_valid"),
529
530	// r_dcache_fsm("r_dcache_fsm"),
531	// r_dcache_fsm_save("r_dcache_fsm_save"),
532	// r_dcache_addr_save("r_dcache_addr_save"),
533	// r_dcache_wdata_save("r_dcache_wdata_save"),
534	// r_dcache_rdata_save("r_dcache_rdata_save"),
535	// r_dcache_type_save("r_dcache_type_save"),
536	// r_dcache_be_save("r_dcache_be_save"),
537	// r_dcache_cached_save("r_dcache_cached_save"),
538	// r_dcache_cleanup_req("r_dcache_cleanup_req"),
539	// r_dcache_cleanup_line("r_dcache_cleanup_line"),
540	// r_dcache_miss_req("r_dcache_miss_req"),
541	// r_dcache_miss_way("r_dcache_miss_way"),
542	// r_dcache_miss_set("r_dcache_miss_set"),
543	// r_dcache_unc_req("r_dcache_unc_req"),
544	// r_dcache_sc_req("r_dcache_sc_req"),
545	// r_dcache_inval_rsp("r_dcache_inval_rsp"),
546	// r_dcache_update_addr("r_dcache_update_addr"),
547	// r_dcache_ll_data("r_dcache_ll_data"),
548	// r_dcache_ll_addr("r_dcache_ll_addr"),
549	// r_dcache_ll_valid("r_dcache_ll_valid"),
550	// r_dcache_previous_unc("r_dcache_previous_unc"),
551
552	// r_tgt_icache_req("r_tgt_icache_req"),
553	// r_tgt_icache_rsp("r_tgt_icache_rsp"),
554
555	// r_tgt_dcache_req("r_tgt_dcache_req"),
556	// r_tgt_dcache_rsp("r_tgt_dcache_rsp"),
557
558	// r_vci_rsp_ins_error("r_vci_rsp_ins_error"),
559	// r_vci_rsp_data_error("r_vci_rsp_data_error"),
560
561	size_t _icache_ways = icache_ways /m_nb_icache;
562	size_t _icache_sets = icache_sets ;
563	size_t _dcache_ways = dcache_ways /m_nb_dcache;
564	size_t _dcache_sets = dcache_sets ;
565	size_t _icache_words = icache_words;
566	size_t _dcache_words = dcache_words;
567
568	size_t _wbuf_nwords = wbuf_nwords ;
569	size_t _wbuf_nlines = wbuf_nlines /m_nb_dcache;
570	size_t _wbuf_timeout = wbuf_timeout;
571
572
573	#if CC_XCACHE_WRAPPER_VERBOSE
574	std::cout << "<VciCcXCacheWrapperV4> Parameters :" << std::endl;
575	std::cout << " * nb_cpu : " << nb_cpu << std::endl;
576	std::cout << " * nb_cache : " << m_nb_icache << " icache(s), " << m_nb_dcache << " dcache(s)" << std::endl;
577	std::cout << " * icache (total) : " << icache_ways << " way(s), " << icache_sets << " set(s), " << icache_words << " word(s)" << std::endl;
578	std::cout << " * icache (per cache) : " << _icache_ways << " way(s), " << _icache_sets << " set(s), " << _icache_words << " word(s)" << std::endl;
579	std::cout << " * dcache (total) : " << dcache_ways << " way(s), " << dcache_sets << " set(s), " << dcache_words << " word(s)" << std::endl;
580	std::cout << " * dcache (per cache) : " << _dcache_ways << " way(s), " << _dcache_sets << " set(s), " << _dcache_words << " word(s)" << std::endl;
581	std::cout << " * wbuf (total) : " << wbuf_nlines << " line(s), " << wbuf_nwords << " word(s), timeout : " << wbuf_timeout << std::endl;
582	std::cout << " * wbuf (per cache) : " << _wbuf_nlines << " line(s), " << _wbuf_nwords << " word(s), timeout : " << _wbuf_timeout << std::endl;
583	#endif
584
585	r_icache = new GenericCache<vci_addr_t> * [m_nb_icache];
586	r_dcache = new GenericCache<vci_addr_t> * [m_nb_dcache];
587	r_wbuf = new MultiWriteBuffer<addr_40> * [m_nb_dcache];
588
589	for (uint32_t num_cache=0; num_cache<m_nb_icache; ++num_cache)
590	{
591	r_icache [num_cache] = new GenericCache<vci_addr_t> ("icache", _icache_ways, _icache_sets, _icache_words);
592	}
593	for (uint32_t num_cache=0; num_cache<m_nb_dcache; ++num_cache)
594	{
595	r_dcache [num_cache] = new GenericCache<vci_addr_t> ("dcache", _dcache_ways, _dcache_sets, _dcache_words);
596	r_wbuf [num_cache] = new MultiWriteBuffer<addr_40> ("r_wbuf", _wbuf_nwords, _wbuf_nlines, _wbuf_timeout, _dcache_words);
597	}
598
599	m_num_cache_LSB_mask = 0;
600	for (uint32_t i=0; i<m_num_cache_LSB; ++i)
601	{
602	m_num_cache_LSB_mask <<= 1;
603	m_num_cache_LSB_mask \|= 1;
604	}
605	m_num_cache_mask = 0;
606	for (uint32_t i=0; i<(m_num_cache_MSB-m_num_cache_LSB); ++i)
607	{
608	m_num_cache_mask <<= 1;
609	m_num_cache_mask \|= 1;
610	}
611
612	SC_METHOD(transition);
613	dont_initialize();
614	sensitive << p_clk.pos();
615
616	SC_METHOD(genMoore);
617	dont_initialize();
618	sensitive << p_clk.neg();
619
620	typename iss_t::CacheInfo cache_info;
621	cache_info.has_mmu = false;
622	cache_info.icache_line_size = icache_words*sizeof(data_t);
623	cache_info.icache_assoc = icache_ways;
624	cache_info.icache_n_lines = icache_sets;
625	cache_info.dcache_line_size = dcache_words*sizeof(data_t);
626	cache_info.dcache_assoc = dcache_ways;
627	cache_info.dcache_n_lines = dcache_sets;
628
629	for (uint32_t num_cpu=0; num_cpu<m_nb_cpu; ++num_cpu)
630	m_iss[num_cpu]->setCacheInfo(cache_info);
631
632	#if CC_XCACHE_WRAPPER_STOP_SIMULATION
633	m_stop_simulation = false;
634	m_stop_simulation_nb_frz_cycles = new uint32_t [m_nb_cpu];
635	for (uint32_t num_cpu=0; num_cpu<m_nb_cpu; ++num_cpu)
636	m_stop_simulation_nb_frz_cycles [num_cpu] = 0;
637	#endif // CC_XCACHE_WRAPPER_STOP_SIMULATION
638
639	#if CC_XCACHE_WRAPPER_DEBUG_FILE_TRANSACTION
640	log_transaction_file_icache = new std::ofstream [m_nb_cpu];
641	log_transaction_file_dcache = new std::ofstream [m_nb_cpu];
642	for (uint32_t num_cpu=0; num_cpu<m_nb_cpu; ++num_cpu)
643	{
644	{
645	std::ostringstream filename("");
646	filename << CC_XCACHE_WRAPPER_DEBUG_FILE_TRANSACTION_PATH << "/Transaction_icache-" << proc_id << "_" << num_cpu << ".log";
647	log_transaction_file_icache[num_cpu].open(filename.str().c_str() ,std::ios::out \| std::ios::trunc);
648	}
649	{
650	std::ostringstream filename("");
651	filename << CC_XCACHE_WRAPPER_DEBUG_FILE_TRANSACTION_PATH << "/Transaction_dcache-" << proc_id << "_" << num_cpu << ".log";
652	log_transaction_file_dcache[num_cpu].open(filename.str().c_str() ,std::ios::out \| std::ios::trunc);
653	}
654	}
655
656	{
657	std::ostringstream filename("");
658	filename << CC_XCACHE_WRAPPER_DEBUG_FILE_TRANSACTION_PATH << "/Transaction_cmd-" << proc_id << ".log";
659	log_transaction_file_cmd.open(filename.str().c_str() ,std::ios::out \| std::ios::trunc);
660	}
661	{
662	std::ostringstream filename("");
663	filename << CC_XCACHE_WRAPPER_DEBUG_FILE_TRANSACTION_PATH << "/Transaction_tgt-" << proc_id << ".log";
664	log_transaction_file_tgt.open(filename.str().c_str() ,std::ios::out \| std::ios::trunc);
665	}
666	{
667	std::ostringstream filename("");
668	filename << CC_XCACHE_WRAPPER_DEBUG_FILE_TRANSACTION_PATH << "/Transaction_cleanup-" << proc_id << ".log";
669	log_transaction_file_cleanup.open(filename.str().c_str() ,std::ios::out \| std::ios::trunc);
670	}
671	#endif
672	} // end constructor
673
674	///////////////////////////////////
675	tmpl(/**/)::~VciCcXCacheWrapperV4()
676	///////////////////////////////////
677	{
678	delete [] m_stop_simulation_nb_frz_cycles;
679
680	#if CC_XCACHE_WRAPPER_DEBUG_FILE_TRANSACTION
681	for (uint32_t num_cpu=0; num_cpu<m_nb_cpu; ++num_cpu)
682	{
683	log_transaction_file_dcache[num_cpu].close();
684	log_transaction_file_icache[num_cpu].close();
685	}
686	delete [] log_transaction_file_dcache;
687	delete [] log_transaction_file_icache;
688
689	log_transaction_file_cmd .close();
690	log_transaction_file_tgt .close();
691	log_transaction_file_cleanup.close();
692	#endif
693
694	delete [] r_icache_lock ;
695	delete [] r_dcache_lock ;
696	delete [] r_dcache_sync ;
697
698	delete [] r_icache_fsm ;
699	delete [] r_icache_fsm_save ;
700	delete [] r_icache_addr_save ;
701	delete [] r_icache_miss_req ;
702	delete [] r_icache_miss_way ;
703	delete [] r_icache_miss_set ;
704	delete [] r_icache_unc_req ;
705	delete [] r_icache_cleanup_req ;
706	delete [] r_icache_cleanup_line ;
707	delete [] r_icache_inval_rsp ;
708	delete [] r_icache_update_addr ;
709	delete [] r_icache_buf_unc_valid;
710
711	delete [] r_dcache_fsm ;
712	delete [] r_dcache_fsm_save ;
713	delete [] r_dcache_addr_save ;
714	delete [] r_dcache_wdata_save ;
715	delete [] r_dcache_rdata_save ;
716	delete [] r_dcache_type_save ;
717	delete [] r_dcache_be_save ;
718	delete [] r_dcache_cached_save ;
719	delete [] r_dcache_cleanup_req ;
720	delete [] r_dcache_cleanup_line ;
721	delete [] r_dcache_miss_req ;
722	delete [] r_dcache_miss_way ;
723	delete [] r_dcache_miss_set ;
724	delete [] r_dcache_unc_req ;
725	delete [] r_dcache_sc_req ;
726	delete [] r_dcache_inval_rsp ;
727	delete [] r_dcache_update_addr ;
728	delete [] r_dcache_previous_unc ;
729
730	for (uint32_t num_cache=0; num_cache<m_nb_dcache; ++num_cache)
731	{
732	delete [] r_dcache_ll_data [num_cache];
733	delete [] r_dcache_ll_addr [num_cache];
734	delete [] r_dcache_ll_valid [num_cache];
735	}
736	delete [] r_dcache_num_cpu_save ;
737	delete [] r_dcache_ll_data ;
738	delete [] r_dcache_ll_addr ;
739	delete [] r_dcache_ll_valid ;
740
741	delete [] r_tgt_icache_req ;
742	delete [] r_tgt_icache_rsp ;
743	delete [] r_tgt_dcache_req ;
744	delete [] r_tgt_dcache_rsp ;
745
746	delete [] r_tgt_be ;
747	delete [] r_tgt_buf;
748
749	delete [] r_vci_rsp_ins_error ;
750	delete [] r_vci_rsp_data_error ;
751
752	delete [] ireq ;
753	delete [] irsp ;
754	delete [] ireq_cached ;
755	delete [] ireq_num_cpu ;
756	delete [] dreq ;
757	delete [] drsp ;
758	delete [] dreq_cached ;
759	delete [] dreq_num_cpu ;
760
761	delete [] m_cpt_frz_cycles;
762
763	delete [] m_cpt_icache_access ;
764	delete [] m_cpt_dcache_access ;
765	delete [] m_cpt_icache_miss_victim_wait;
766	delete [] m_cpt_dcache_miss_victim_wait;
767	#if CC_XCACHE_WRAPPER_STORE_AFTER_STORE
768	delete [] m_cpt_dcache_store_after_store;
769	#endif
770	#if CC_XCACHE_WRAPPER_MULTI_CACHE_HIT_AFTER_MISS
771	delete [] m_cpt_dcache_hit_after_miss_read;
772	delete [] m_cpt_dcache_hit_after_miss_write;
773	#endif
774	for (uint32_t num_cache=0; num_cache<m_nb_dcache; ++num_cache)
775	delete [] m_cpt_fsm_dcache [num_cache];
776	for (uint32_t num_cache=0; num_cache<m_nb_icache; ++num_cache)
777	delete [] m_cpt_fsm_icache [num_cache];
778
779	delete [] m_cpt_fsm_dcache ;
780	delete [] m_cpt_fsm_icache ;
781	delete [] m_cpt_fsm_cmd ;
782	delete [] m_cpt_fsm_rsp ;
783	delete [] m_cpt_fsm_tgt ;
784	delete [] m_cpt_fsm_cleanup;
785
786	for (uint32_t num_cache=0; num_cache<m_nb_icache; ++num_cache)
787	{
788	delete r_icache [num_cache];
789	}
790	for (uint32_t num_cache=0; num_cache<m_nb_dcache; ++num_cache)
791	{
792	delete r_wbuf [num_cache];
793	delete r_dcache [num_cache];
794	}
795	delete [] r_wbuf;
796	delete [] r_icache;
797	delete [] r_dcache;
798
799
800	CACHE_MISS_BUF_DEALLOC;
801
802	for (uint32_t num_cpu=0; num_cpu<m_nb_cpu; ++num_cpu)
803	{
804	delete m_iss [num_cpu];
805	delete [] p_irq [num_cpu];
806	}
807	delete [] m_iss;
808	delete [] p_irq;
809	}
810
811	////////////////////////
812	tmpl(void)::print_cpi()
813	////////////////////////
814	{
815	for (uint32_t num_cpu=0; num_cpu<m_nb_cpu; ++num_cpu)
816	std::cout << "CPU " << m_srcid_rw << " : CPI = "
817	<< (float)m_cpt_total_cycles/(m_cpt_total_cycles - m_cpt_frz_cycles[num_cpu]) << std::endl ;
818	}
819	////////////////////////
820	tmpl(void)::print_stats(bool print_wbuf, bool print_fsm)
821	////////////////////////
822	{
823	uint32_t m_cpt_data_read_cached = m_cpt_data_read-m_cpt_data_read_uncached;
824	uint32_t m_cpt_data_write_cached = m_cpt_data_write-m_cpt_data_write_uncached;
825	std::cout << "------------------------------------" << std:: dec << std::endl;
826	std::cout << "CPU " << m_srcid_rw << " / Time = " << m_cpt_total_cycles << std::endl;
827	for (uint32_t num_cpu=0; num_cpu<m_nb_cpu; ++num_cpu)
828	{
829	float run_cycles = (float)(m_cpt_total_cycles - m_cpt_frz_cycles[num_cpu]);
830
831	std::cout << "- CPI : [" << num_cpu << "] "<< (float)m_cpt_total_cycles/run_cycles << std::endl ;
832	std::cout << "- IPC : [" << num_cpu << "] "<< (float)run_cycles/m_cpt_total_cycles << std::endl ;
833	}
834	std::cout << "- DATA READ * : " << m_cpt_data_read << std::endl ;
835	std::cout << " + Uncached : " << m_cpt_data_read_uncached << " (" << (float)m_cpt_data_read_uncached*100.0/(float)m_cpt_data_read << "%)" << std::endl ;
836	std::cout << " + Cached and miss : " << m_cpt_data_read_miss << " (" << (float)m_cpt_data_read_miss*100.0/(float)m_cpt_data_read_cached << "%)" << std::endl;
837	std::cout << "- DATA WRITE * : " << m_cpt_data_write << std::endl ;
838	std::cout << " + Uncached : " << m_cpt_data_write_uncached << " (" << (float)m_cpt_data_write_uncached*100.0/(float)m_cpt_data_write << "%)" << std::endl ;
839	std::cout << " + Cached and miss : " << m_cpt_data_write_miss << " (" << (float)m_cpt_data_write_miss*100.0/(float)m_cpt_data_write_cached << "%)" << std::endl;
840	// std::cout << "- WRITE RATE : " << (float)m_cpt_data_write/run_cycles << std::endl;
841	// std::cout << "- UNCACHED READ RATE : " << (float)m_cpt_data_read_uncached/m_cpt_data_read << std::endl ;
842	// std::cout << "- CACHED WRITE RATE : " << (float)m_cpt_data_write_cached/m_cpt_data_write << std::endl ;
843	// std::cout << "- IMISS_RATE : " << (float)m_cpt_ins_miss/run_cycles << std::endl;
844	// std::cout << "- DMISS RATE : " << (float)m_cpt_data_miss/(m_cpt_data_read-m_cpt_data_read_uncached) << std::endl ;
845	// std::cout << "- INS MISS COST : " << (float)m_cost_ins_miss_frz/m_cpt_ins_miss << std::endl;
846	// std::cout << "- IMISS TRANSACTION : " << (float)m_cost_imiss_transaction/m_cpt_imiss_transaction << std::endl;
847	// std::cout << "- DMISS COST : " << (float)m_cost_data_miss_frz/m_cpt_data_miss << std::endl;
848	// std::cout << "- DMISS TRANSACTION : " << (float)m_cost_dmiss_transaction/m_cpt_dmiss_transaction << std::endl;
849	// std::cout << "- UNC COST : " << (float)m_cost_unc_read_frz/m_cpt_data_read_uncached << std::endl;
850	// std::cout << "- UNC TRANSACTION : " << (float)m_cost_unc_transaction/m_cpt_unc_transaction << std::endl;
851	// std::cout << "- WRITE COST : " << (float)m_cost_write_frz/m_cpt_data_write << std::endl;
852	// std::cout << "- WRITE TRANSACTION : " << (float)m_cost_write_transaction/m_cpt_data_write_transaction << std::endl;
853	// std::cout << "- WRITE LENGTH : " << (float)m_length_write_transaction/m_cpt_data_write_transaction << std::endl;
854
855	std::cout << "- CC_UPDATE_ICACHE : " << m_cpt_cc_update_icache << std::endl;
856	std::cout << " + AVERAGE WORD USEFUL : " << (float)m_cpt_cc_update_icache_word_useful/(float)m_cpt_cc_update_icache << " on " << m_icache_words << " words" << std::endl;
857	std::cout << "- CC_UPDATE_DCACHE : " << m_cpt_cc_update_dcache << std::endl;
858	std::cout << " + AVERAGE WORD USEFUL : " << (float)m_cpt_cc_update_dcache_word_useful/(float)m_cpt_cc_update_dcache << " on " << m_dcache_words << " words" << std::endl;
859	uint32_t m_cpt_cc_inval = m_cpt_cc_inval_broadcast+m_cpt_cc_inval_icache+m_cpt_cc_inval_dcache;
860	std::cout << "- CC_INVALID : " << m_cpt_cc_inval << std::endl;
861	std::cout << " + ICACHE Only : " << (float)m_cpt_cc_inval_icache *100.0/(float)m_cpt_cc_inval << "%" << std::endl;
862	std::cout << " + DCACHE Only : " << (float)m_cpt_cc_inval_dcache *100.0/(float)m_cpt_cc_inval << "%" << std::endl;
863	std::cout << " + BROADCAST : " << (float)m_cpt_cc_inval_broadcast*100.0/(float)m_cpt_cc_inval << "%" << std::endl;
864
865	uint32_t m_cpt_icache_access_all = 0;
866	for (uint32_t num_cache=0; num_cache<m_nb_icache; ++num_cache)
867	m_cpt_icache_access_all += m_cpt_icache_access [num_cache];
868
869	std::cout << "- ICACHE ACCESS : " << m_cpt_icache_access_all << std::endl;
870	for (uint32_t num_cache=0; num_cache<m_nb_icache; ++num_cache)
871	std::cout << " + [" << num_cache << "] : " << m_cpt_icache_access [num_cache] << " (" << (float)m_cpt_icache_access [num_cache]*100.0/(float)m_cpt_icache_access_all << "%)" << std::endl;
872
873	uint32_t m_cpt_dcache_access_all = 0;
874	for (uint32_t num_cache=0; num_cache<m_nb_dcache; ++num_cache)
875	m_cpt_dcache_access_all += m_cpt_dcache_access [num_cache];
876
877	std::cout << "- DCACHE ACCESS : " << m_cpt_dcache_access_all << std::endl;
878	for (uint32_t num_cache=0; num_cache<m_nb_dcache; ++num_cache)
879	{
880	std::cout << " + [" << num_cache << "] : " << m_cpt_dcache_access [num_cache] << " (" << (float)m_cpt_dcache_access [num_cache]*100.0/(float)m_cpt_dcache_access_all << "%)";
881
882	#if CC_XCACHE_WRAPPER_STORE_AFTER_STORE
883	std::cout << " - store after store : " << m_cpt_dcache_store_after_store [num_cache];
884	#endif
885	#if CC_XCACHE_WRAPPER_MULTI_CACHE_HIT_AFTER_MISS
886	std::cout << " - Hit after Miss : Read " << m_cpt_dcache_hit_after_miss_read [num_cache] << ", Write " << m_cpt_dcache_hit_after_miss_write [num_cache];
887	#endif
888	std::cout << std::endl;
889	}
890
891	uint32_t m_cpt_icache_miss_victim_wait_all = 0;
892	for (uint32_t num_cache=0; num_cache<m_nb_icache; ++num_cache)
893	m_cpt_icache_miss_victim_wait_all += m_cpt_icache_miss_victim_wait [num_cache];
894	std::cout << "- ICACHE MISS VICTIM WAIT : " << m_cpt_icache_miss_victim_wait_all << std::endl;
895	for (uint32_t num_cache=0; num_cache<m_nb_icache; ++num_cache)
896	std::cout << " + [" << num_cache << "] : " << m_cpt_icache_miss_victim_wait [num_cache] << std::endl;
897
898	uint32_t m_cpt_dcache_miss_victim_wait_all = 0;
899	for (uint32_t num_cache=0; num_cache<m_nb_dcache; ++num_cache)
900	m_cpt_dcache_miss_victim_wait_all += m_cpt_dcache_miss_victim_wait [num_cache];
901	std::cout << "- DCACHE MISS VICTIM WAIT : " << m_cpt_dcache_miss_victim_wait_all << std::endl;
902	for (uint32_t num_cache=0; num_cache<m_nb_dcache; ++num_cache)
903	std::cout << " + [" << num_cache << "] : " << m_cpt_dcache_miss_victim_wait [num_cache] << std::endl;
904
905	if (print_fsm)
906	{
907	std::cout << "- DCACHE FSM" << std::endl;
908	for (uint32_t i=0; i<soclib::common::size(dcache_fsm_state_str ); ++i)
909	{
910	std::cout << " + " << dcache_fsm_state_str[i] << " :\t ";
911	for (uint32_t num_cache=0; num_cache<m_nb_dcache; ++num_cache)
912	std::cout << m_cpt_fsm_dcache [num_cache][i] << ", ";
913	std::cout << std::endl;
914	}
915	std::cout << "- ICACHE FSM" << std::endl;
916	for (uint32_t i=0; i<soclib::common::size(icache_fsm_state_str ); ++i)
917	{
918	std::cout << " + " << icache_fsm_state_str[i] << " :\t ";
919	for (uint32_t num_cache=0; num_cache<m_nb_icache; ++num_cache)
920	std::cout << m_cpt_fsm_icache [num_cache][i] << ", ";
921	std::cout << std::endl;
922	}
923	std::cout << "- CMD FSM" << std::endl;
924	for (uint32_t i=0; i<soclib::common::size(cmd_fsm_state_str ); ++i)
925	std::cout << " + " << cmd_fsm_state_str[i] << " :\t " << m_cpt_fsm_cmd [i] << std::endl;
926	std::cout << "- RSP FSM" << std::endl;
927	for (uint32_t i=0; i<soclib::common::size(rsp_fsm_state_str ); ++i)
928	std::cout << " + " << rsp_fsm_state_str[i] << " :\t " << m_cpt_fsm_rsp [i] << std::endl;
929	std::cout << "- TGT FSM" << std::endl;
930	for (uint32_t i=0; i<soclib::common::size(tgt_fsm_state_str ); ++i)
931	std::cout << " + " << tgt_fsm_state_str[i] << " :\t " << m_cpt_fsm_tgt [i] << std::endl;
932	std::cout << "- CLEANUP FSM" << std::endl;
933	for (uint32_t i=0; i<soclib::common::size(cleanup_fsm_state_str ); ++i)
934	std::cout << " + " << cleanup_fsm_state_str[i] << " :\t " << m_cpt_fsm_cleanup [i] << std::endl;
935	}
936
937	std::cout << "* : accepted or not by the cache" << std::endl ;
938
939	if (print_wbuf)
940	for (uint32_t num_cache=0; num_cache<m_nb_dcache; ++num_cache)
941	r_wbuf[num_cache]->printStatistics();
942	}
943
944	////////////////////////////////////
945	tmpl(void)::print_trace(size_t mode)
946	////////////////////////////////////
947	{
948	// b0 : write buffer print trace
949	// b1 : write buffer verbose
950	// b2 : dcache print trace
951	// b3 : icache print trace
952
953	typename iss_t::InstructionRequest ireq;
954	typename iss_t::DataRequest dreq;
955
956	std::cout << std::dec << "Proc \"" << name() << "\"" << std::endl;
957
958	for (uint32_t num_cpu=0; num_cpu<m_nb_cpu; ++num_cpu)
959	{
960	m_iss[num_cpu]->getRequests( ireq, dreq );
961	std::cout << ireq << std::endl;
962	std::cout << dreq << std::endl;
963	}
964	for (uint32_t num_cache=0; num_cache<m_nb_icache; ++num_cache)
965	std::cout << " " << icache_fsm_state_str[r_icache_fsm[num_cache]] << std::endl;
966	for (uint32_t num_cache=0; num_cache<m_nb_dcache; ++num_cache)
967	std::cout << " " << dcache_fsm_state_str[r_dcache_fsm[num_cache]] << std::endl;
968
969	std::cout << " " << cmd_fsm_state_str[r_vci_cmd_fsm]
970	<< " " << rsp_fsm_state_str[r_vci_rsp_fsm]
971	<< " " << tgt_fsm_state_str[r_vci_tgt_fsm]
972	<< " " << cleanup_fsm_state_str[r_cleanup_fsm] << std::endl;
973
974	if(mode & 0x1)
975	{
976	for (uint32_t num_cache=0; num_cache<m_nb_dcache; ++num_cache)
977	r_wbuf[num_cache]->printTrace((mode>>1)&1);
978	}
979	if(mode & 0x4)
980	{
981	std::cout << " Data cache" << std::endl;
982	for (uint32_t num_cache=0; num_cache<m_nb_dcache; ++num_cache)
983	r_dcache[num_cache]->printTrace();
984	}
985	if(mode & 0x8)
986	{
987	std::cout << " Instruction cache" << std::endl;
988	for (uint32_t num_cache=0; num_cache<m_nb_icache; ++num_cache)
989	r_icache[num_cache]->printTrace();
990	}
991	}
992
993	//////////////////////////
994	tmpl(void)::transition()
995	//////////////////////////
996	{
997	if ( not p_resetn.read() ) {
998
999	r_cpu_prior = 0;
1000
1001	for (uint32_t num_cpu=0; num_cpu<m_nb_cpu; ++num_cpu)
1002	m_iss[num_cpu]->reset();
1003
1004	// FSM states
1005	for (uint32_t num_cache=0; num_cache<m_nb_icache; ++num_cache)
1006	{
1007	r_icache_fsm [num_cache] = ICACHE_IDLE;
1008
1009	r_icache_lock[num_cache] = m_nb_cpu;
1010	}
1011	for (uint32_t num_cache=0; num_cache<m_nb_dcache; ++num_cache)
1012	{
1013	r_dcache_fsm [num_cache] = DCACHE_IDLE;
1014
1015	r_dcache_lock[num_cache] = m_nb_cpu;
1016	r_dcache_sync[num_cache] = false;
1017	}
1018
1019	r_vci_cmd_fsm = CMD_IDLE;
1020	r_vci_rsp_fsm = RSP_IDLE;
1021	r_vci_tgt_fsm = TGT_IDLE;
1022	r_cleanup_fsm = CLEANUP_IDLE;
1023
1024	for (uint32_t num_cache=0; num_cache<m_nb_icache; ++num_cache)
1025	{
1026	// write buffer & caches
1027	r_icache[num_cache]->reset();
1028
1029	// synchronisation flip-flops from ICACHE & DCACHE FSMs to VCI FSMs
1030	r_icache_miss_req [num_cache] = false;
1031	r_icache_unc_req [num_cache] = false;
1032	r_icache_cleanup_req [num_cache] = false;
1033
1034	// internal messages in DCACHE et ICACHE FSMs
1035	r_icache_inval_rsp [num_cache] = false;
1036
1037	// error signals from the VCI RSP FSM to the ICACHE or DCACHE FSMs
1038	r_icache_buf_unc_valid [num_cache] = false;
1039
1040	// synchronisation flip-flops from TGT FSM to ICACHE & DCACHE FSMs
1041	r_tgt_icache_req [num_cache] = false;
1042	r_tgt_icache_rsp [num_cache] = false;
1043
1044	r_vci_rsp_ins_error [num_cache] = false;
1045	}// end for num_cache
1046
1047	for (uint32_t num_cache=0; num_cache<m_nb_dcache; ++num_cache)
1048	{
1049	// write buffer & caches
1050	r_wbuf [num_cache]->reset();
1051	r_dcache[num_cache]->reset();
1052
1053	// synchronisation flip-flops from ICACHE & DCACHE FSMs to VCI FSMs
1054	r_dcache_miss_req [num_cache] = false;
1055	r_dcache_unc_req [num_cache] = false;
1056	r_dcache_sc_req [num_cache] = false;
1057	r_dcache_cleanup_req [num_cache] = false;
1058	r_dcache_previous_unc[num_cache] = false;
1059
1060	// internal messages in DCACHE et ICACHE FSMs
1061	r_dcache_inval_rsp [num_cache] = false;
1062
1063	// error signals from the VCI RSP FSM to the ICACHE or DCACHE FSMs
1064	for (uint32_t num_cpu=0; num_cpu<m_nb_cpu; ++num_cpu)
1065	r_dcache_ll_valid [num_cache][num_cpu] = false;
1066
1067	// synchronisation flip-flops from TGT FSM to ICACHE & DCACHE FSMs
1068	r_tgt_dcache_req [num_cache] = false;
1069	r_tgt_dcache_rsp [num_cache] = false;
1070
1071	r_vci_rsp_data_error [num_cache] = false;
1072	}// end for num_cache
1073
1074	#if CC_XCACHE_WRAPPER_CC_UPDATE_MULTI_CYCLE
1075	r_cache_word = 0;
1076	#endif
1077
1078	r_vci_cmd_dcache_prior = false;
1079
1080	CACHE_MISS_BUF_RESET(i);
1081	CACHE_MISS_BUF_RESET(d);
1082
1083	// activity counters
1084	m_cpt_dcache_data_read = 0;
1085	m_cpt_dcache_data_write = 0;
1086	m_cpt_dcache_dir_read = 0;
1087	m_cpt_dcache_dir_write = 0;
1088	m_cpt_icache_data_read = 0;
1089	m_cpt_icache_data_write = 0;
1090	m_cpt_icache_dir_read = 0;
1091	m_cpt_icache_dir_write = 0;
1092
1093	m_cpt_cc_update_icache = 0;
1094	m_cpt_cc_update_dcache = 0;
1095	m_cpt_cc_inval_broadcast = 0;
1096	m_cpt_cc_inval_icache = 0;
1097	m_cpt_cc_inval_dcache = 0;
1098	m_cpt_cc_update_icache_word_useful = 0;
1099	m_cpt_cc_update_dcache_word_useful = 0;
1100
1101	for (uint32_t num_cpu=0; num_cpu<m_nb_cpu; ++num_cpu)
1102	m_cpt_frz_cycles [num_cpu] = 0;
1103	m_cpt_total_cycles = 0;
1104
1105	m_cpt_data_read = 0;
1106	m_cpt_data_read_miss = 0;
1107	m_cpt_data_read_uncached = 0;
1108	m_cpt_data_write = 0;
1109	m_cpt_data_write_miss = 0;
1110	m_cpt_data_write_uncached = 0;
1111
1112	m_cpt_ins_miss = 0;
1113
1114	m_cost_write_frz = 0;
1115	m_cost_data_miss_frz = 0;
1116	m_cost_unc_read_frz = 0;
1117	m_cost_ins_miss_frz = 0;
1118
1119	m_cpt_imiss_transaction = 0;
1120	m_cpt_dmiss_transaction = 0;
1121	m_cpt_unc_transaction = 0;
1122	m_cpt_data_write_transaction = 0;
1123
1124	m_cost_imiss_transaction = 0;
1125	m_cost_dmiss_transaction = 0;
1126	m_cost_unc_transaction = 0;
1127	m_cost_write_transaction = 0;
1128	m_length_write_transaction = 0;
1129
1130	for (uint32_t num_cache=0; num_cache<m_nb_icache; ++num_cache)
1131	{
1132	m_cpt_icache_access [num_cache] = 0;
1133	m_cpt_icache_miss_victim_wait [num_cache] = 0;
1134
1135	for (uint32_t i=0; i<soclib::common::size(icache_fsm_state_str ); ++i)
1136	m_cpt_fsm_icache [num_cache][i] = 0;
1137	}
1138	for (uint32_t num_cache=0; num_cache<m_nb_dcache; ++num_cache)
1139	{
1140	m_cpt_dcache_access [num_cache] = 0;
1141	m_cpt_dcache_miss_victim_wait [num_cache] = 0;
1142
1143	#if CC_XCACHE_WRAPPER_STORE_AFTER_STORE
1144	m_cpt_dcache_store_after_store [num_cache] = 0;
1145	#endif
1146	#if CC_XCACHE_WRAPPER_MULTI_CACHE_HIT_AFTER_MISS
1147	m_cpt_dcache_hit_after_miss_read [num_cache] = 0;
1148	m_cpt_dcache_hit_after_miss_write [num_cache] = 0;
1149	#endif
1150	for (uint32_t i=0; i<soclib::common::size(dcache_fsm_state_str ); ++i)
1151	m_cpt_fsm_dcache [num_cache][i] = 0;
1152	}
1153
1154	for (uint32_t i=0; i<soclib::common::size(cmd_fsm_state_str ); ++i)
1155	m_cpt_fsm_cmd [i] = 0;
1156	for (uint32_t i=0; i<soclib::common::size(rsp_fsm_state_str ); ++i)
1157	m_cpt_fsm_rsp [i] = 0;
1158	for (uint32_t i=0; i<soclib::common::size(tgt_fsm_state_str ); ++i)
1159	m_cpt_fsm_tgt [i] = 0;
1160	for (uint32_t i=0; i<soclib::common::size(cleanup_fsm_state_str); ++i)
1161	m_cpt_fsm_cleanup [i] = 0;
1162
1163	return;
1164	}
1165
1166	// printf("%d\n",(uint32_t)m_cpt_total_cycles);
1167
1168	PRINTF("--------------------------------------------\n");
1169	PRINTF(" * CC_XCACHE_WRAPPER \"%s\" Transition - Time = %d\n",name().c_str(),(uint32_t)m_cpt_total_cycles);
1170	for (uint32_t num_cache=0; num_cache<m_nb_dcache; ++num_cache)
1171	PRINTF(" * fsm dcache = [%.2d] %s - (%.2d) %llx (%llx)\n",num_cache,dcache_fsm_state_str[r_dcache_fsm[num_cache]],r_dcache_lock[num_cache].read(),(blob_t)r_dcache_addr_save[num_cache].read(),(blob_t)set_num_dcache_only(r_dcache_addr_save[num_cache].read(),num_cache));
1172	for (uint32_t num_cache=0; num_cache<m_nb_icache; ++num_cache)
1173	PRINTF(" * fsm icache = [%.2d] %s - (%.2d) %llx (%llx)\n",num_cache,icache_fsm_state_str[r_icache_fsm[num_cache]],r_icache_lock[num_cache].read(),(blob_t)r_icache_addr_save[num_cache].read(),(blob_t)set_num_icache_only(r_icache_addr_save[num_cache].read(),num_cache));
1174	PRINTF(" * fsm cmd = (%.2d) %s\n",r_vci_cmd_num_cache.read(), cmd_fsm_state_str[r_vci_cmd_fsm]);
1175	PRINTF(" * fsm rsp = (%.2d) %s\n",r_vci_rsp_num_cache.read(), rsp_fsm_state_str[r_vci_rsp_fsm]);
1176	PRINTF(" * fsm tgt = (%.2d) %s - i %llx d %llx\n",r_tgt_num_cache.read(), tgt_fsm_state_str[r_vci_tgt_fsm],(blob_t)r_tgt_iaddr.read(),(blob_t)r_tgt_daddr.read());
1177	//PRINTF(" * fsm tgt = %s - %llx\n",tgt_fsm_state_str[r_vci_tgt_fsm],(blob_t)r_tgt_addr.read());
1178	PRINTF(" * fsm cleanup = (%.2d) %s\n",r_cleanup_num_cache.read(), cleanup_fsm_state_str[r_cleanup_fsm]);
1179	for (uint32_t num_cache=0; num_cache<m_nb_dcache; ++num_cache)
1180	{
1181	for (uint32_t num_cpu=0; num_cpu<m_nb_cpu; ++num_cpu)
1182	PRINTF(" * ll info : [%.2d][%.2d] %d %llx (%llx) %llx\n"
1183	,num_cache
1184	,num_cpu
1185	, r_dcache_ll_valid [num_cache][num_cpu].read()
1186	,(blob_t)r_dcache_ll_addr [num_cache][num_cpu].read()
1187	,(blob_t)set_num_dcache_only(r_dcache_ll_addr [num_cache][num_cpu].read(),num_cache)
1188	,(blob_t)r_dcache_ll_data [num_cache][num_cpu].read());
1189
1190	PRINTF(" * dcache_previous_unc : [%.2d] %d\n",num_cache,r_dcache_previous_unc[num_cache].read());
1191
1192	#if CC_XCACHE_WRAPPER_DEBUG
1193	if (m_cpt_total_cycles>=CC_XCACHE_WRAPPER_DEBUG_CYCLE_MIN)
1194	r_wbuf[num_cache]->printTrace(1);
1195	#endif
1196	}
1197	// CACHE_MISS_BUF_RSP_PRINT(i);
1198	// CACHE_MISS_BUF_RSP_PRINT(d);
1199
1200	for (uint32_t num_cache=0; num_cache<m_nb_dcache; ++num_cache)
1201	m_cpt_fsm_dcache [num_cache][r_dcache_fsm[num_cache]] ++;
1202	for (uint32_t num_cache=0; num_cache<m_nb_icache; ++num_cache)
1203	m_cpt_fsm_icache [num_cache][r_icache_fsm[num_cache]] ++;
1204	m_cpt_fsm_cmd [r_vci_cmd_fsm] ++;
1205	m_cpt_fsm_rsp [r_vci_rsp_fsm] ++;
1206	m_cpt_fsm_tgt [r_vci_tgt_fsm] ++;
1207	m_cpt_fsm_cleanup [r_cleanup_fsm] ++;
1208
1209	m_cpt_total_cycles++;
1210
1211	/////////////////////////////////////////////////////////////////////
1212	// The TGT_FSM controls the following ressources:
1213	// - r_vci_tgt_fsm
1214	// - r_tgt_buf[nwords]
1215	// - r_tgt_be[nwords]
1216	// - r_tgt_update
1217	// - r_tgt_word
1218	// - r_tgt_addr
1219	// - r_tgt_srcid
1220	// - r_tgt_trdid
1221	// - r_tgt_pktid
1222	// All VCI commands must be CMD_WRITE.
1223	// If the VCI address offset is null, the command is an invalidate
1224	// request. It is an update request otherwise.
1225	// The VCI_TGT FSM stores the external request arguments in the
1226	// IDLE, UPDT_WORD & UPDT_DATA states. It sets the r_tgt_icache_req
1227	// & r_tgt_dcache_req flip-flops to signal the external request to
1228	// the ICACHE & DCACHE FSMs in the REQ state. It waits the completion
1229	// of the update or invalidate request in the RSP state.
1230	// - for an invalidate request the VCI packet length is 1 word.
1231	// The WDATA field contains the line index (i.e. the Z & Y fields).
1232	// - for an update request the VCI packet length is (n+2) words.
1233	// The WDATA field of the first VCI word contains the line number.
1234	// The WDATA field of the second VCI word contains the word index.
1235	// The WDATA field of the n following words contains the values.
1236	// - for both invalidate & update requests, the VCI response
1237	// is one single word.
1238	// In case of errors in the VCI command packet, the simulation
1239	// is stopped with an error message.
1240	/////////////////////////////////////////////////////////////////////
1241
1242	switch(r_vci_tgt_fsm) {
1243
1244	case TGT_IDLE:
1245	if ( p_vci_tgt.cmdval.read() )
1246	{
1247	PRINTF(" * <TGT> Request\n");
1248
1249	addr_40 address = p_vci_tgt.address.read();
1250
1251	if ( p_vci_tgt.cmd.read() != vci_param::CMD_WRITE)
1252	{
1253	std::cout << "error in component VCI_CC_XCACHE_WRAPPER " << name() << std::endl;
1254	std::cout << "coherence request is not a write" << std::endl;
1255	std::cout << "address = " << std::hex << address << std::dec << std::endl;
1256	std::cout << "srcid = " << p_vci_tgt.srcid.read() << std::endl;
1257	exit(0);
1258	}
1259
1260	// multi-update or multi-invalidate for data type
1261	if ( ((address&0x3) != 0x3) and (not m_segment.contains(address)) )
1262	{
1263	std::cout << "error in component VCI_CC_XCACHE_WRAPPER " << name() << std::endl;
1264	std::cout << "out of segment coherence request" << std::endl;
1265	std::cout << "address = " << std::hex << address << std::dec << std::endl;
1266	std::cout << "srcid = " << p_vci_tgt.srcid.read() << std::endl;
1267	exit(0);
1268	}
1269
1270	addr_40 tgt_addr = ((((addr_40)p_vci_tgt.be.read() & 0x3) << 32) \| ((addr_40) p_vci_tgt.wdata.read())) << (addr_40)m_dcache_words_shift;
1271	// * m_dcache_words * 4;
1272
1273	addr_40 tgt_iaddr = tgt_addr;
1274	addr_40 tgt_daddr = tgt_addr;
1275
1276	PRINTF(" * <TGT> srcid : %d\n",(uint32_t)p_vci_tgt.srcid.read());
1277	PRINTF(" * <TGT> trdid : %d\n",(uint32_t)p_vci_tgt.trdid.read());
1278	PRINTF(" * <TGT> pktid : %d\n",(uint32_t)p_vci_tgt.pktid.read());
1279	PRINTF(" * <TGT> address (before) : %llx\n",(blob_t)tgt_iaddr);
1280
1281	r_tgt_srcid = p_vci_tgt.srcid.read();
1282	r_tgt_trdid = p_vci_tgt.trdid.read();
1283	r_tgt_pktid = p_vci_tgt.pktid.read();
1284	// r_tgt_plen = p_vci_tgt.plen.read();
1285
1286	// BROADCAST
1287	if ( (address&0x3) == 0x3 ) // broadcast invalidate for data or instruction type
1288	{
1289	if ( not p_vci_tgt.eop.read() )
1290	{
1291	std::cout << "error in component VCI_CC_XCACHE_WRAPPER " << name() << std::endl;
1292	std::cout << "the BROADCAST INVALIDATE command length must be one word" << std::endl;
1293	exit(0);
1294	}
1295	r_tgt_update = false;
1296	// r_tgt_brdcast= true;
1297	r_vci_tgt_fsm = TGT_REQ_BROADCAST;
1298	uint32_t tgt_num_cache;
1299	tgt_num_cache = get_num_icache(tgt_iaddr,0); // none effect (else CC_XCACHE_WRAPPER_MULTI_CACHE==1)
1300	tgt_num_cache = get_num_dcache(tgt_daddr);
1301	r_tgt_num_cache = tgt_num_cache;
1302
1303	PRINTF(" * <TGT> REQ_BROADCAST\n");
1304	PRINTF(" * <TGT> num_cache (data) : %d\n",tgt_num_cache);
1305
1306	m_cpt_cc_inval_broadcast++ ;
1307
1308	#if CC_XCACHE_WRAPPER_DEBUG_FILE_TRANSACTION
1309	{
1310	log_transaction_file_tgt
1311	<< "[" << m_cpt_total_cycles << "] "
1312	<< "BROADCAST "
1313	<< std::hex
1314	<< " L " << std::setw(10) << (blob_t)tgt_addr
1315	<< std::dec
1316	<< " - " << tgt_num_cache
1317	<< std::endl;
1318	}
1319	#endif //CC_XCACHE_WRAPPER_DEBUG_FILE_TRANSACTION
1320
1321	}
1322	else // multi-update or multi-invalidate for data type
1323	{
1324	uint32_t cell = address - m_segment.baseAddress(); // addr_40
1325	// r_tgt_brdcast = false;
1326
1327	if (cell == 0)
1328	{ // invalidate data
1329	if ( not p_vci_tgt.eop.read() )
1330	{
1331	std::cout << "error in component VCI_CC_XCACHE_WRAPPER " << name() << std::endl;
1332	std::cout << "the MULTI-INVALIDATE command length must be one word" << std::endl;
1333	exit(0);
1334	}
1335	r_tgt_update = false;
1336	r_vci_tgt_fsm = TGT_REQ_DCACHE;
1337	uint32_t tgt_num_cache = get_num_dcache(tgt_daddr); // static partionnement
1338	r_tgt_num_cache = tgt_num_cache;
1339
1340	PRINTF(" * <TGT> REQ_DCACHE\n");
1341	PRINTF(" * <TGT> num_cache : %d\n",tgt_num_cache);
1342
1343	m_cpt_cc_inval_dcache++ ;
1344
1345	#if CC_XCACHE_WRAPPER_DEBUG_FILE_TRANSACTION
1346	{
1347	log_transaction_file_tgt
1348	<< "[" << m_cpt_total_cycles << "] "
1349	<< "INVAL DATA "
1350	<< std::hex
1351	<< " L " << std::setw(10) << (blob_t)tgt_addr
1352	<< std::dec
1353	<< " - " << tgt_num_cache
1354	<< std::endl;
1355	}
1356	#endif //CC_XCACHE_WRAPPER_DEBUG_FILE_TRANSACTION
1357
1358	}
1359	else if (cell == 4) // invalidate instruction
1360	{
1361	if ( not p_vci_tgt.eop.read() )
1362	{
1363	std::cout << "error in component VCI_CC_VCACHE_WRAPPER " << name() << std::endl;
1364	std::cout << "the MULTI-INVALIDATE command length must be one word" << std::endl;
1365	exit(0);
1366	}
1367	r_tgt_update = false;
1368	r_vci_tgt_fsm = TGT_REQ_ICACHE;
1369	uint32_t tgt_num_cpu = p_vci_tgt.pktid.read();
1370	uint32_t tgt_num_cache = get_num_icache(tgt_iaddr,tgt_num_cpu);
1371	r_tgt_num_cache = tgt_num_cache;
1372
1373	PRINTF(" * <TGT> REQ_ICACHE\n");
1374	PRINTF(" * <TGT> num_cache : %d\n",tgt_num_cache);
1375
1376	m_cpt_cc_inval_icache++ ;
1377
1378	#if CC_XCACHE_WRAPPER_DEBUG_FILE_TRANSACTION
1379	{
1380	log_transaction_file_tgt
1381	<< "[" << m_cpt_total_cycles << "] "
1382	<< "INVAL INS "
1383	<< std::hex
1384	<< " L " << std::setw(10) << (blob_t)tgt_addr
1385	<< std::dec
1386	<< " - " << tgt_num_cache
1387	<< std::endl;
1388	}
1389	#endif //CC_XCACHE_WRAPPER_DEBUG_FILE_TRANSACTION
1390
1391	}
1392	else if ( (cell == 8) or (cell==12) ) // update data or instruction
1393	{
1394	if ( p_vci_tgt.eop.read() )
1395	{
1396	std::cout << "error in component VCI_CC_VCACHE_WRAPPER " << name() << std::endl;
1397	std::cout << "the MULTI-UPDATE command length must be N+2 words" << std::endl;
1398	exit(0);
1399	}
1400	if(cell == 8)
1401	{
1402	m_cpt_cc_update_dcache++;
1403	r_tgt_update_data = true;
1404
1405	uint32_t tgt_num_cache = get_num_dcache(tgt_daddr);
1406	r_tgt_num_cache = tgt_num_cache;
1407
1408	PRINTF(" * <TGT> UPDT_WORD DATA\n");
1409	PRINTF(" * <TGT> num_cache : %d\n",tgt_num_cache);
1410
1411	#if CC_XCACHE_WRAPPER_DEBUG_FILE_TRANSACTION
1412	{
1413	log_transaction_file_tgt
1414	<< "[" << m_cpt_total_cycles << "] "
1415	<< "UPT DATA "
1416	<< std::hex
1417	<< " L " << std::setw(10) << (blob_t)tgt_addr
1418	<< std::dec
1419	<< " - " << tgt_num_cache
1420	<< std::endl;
1421	}
1422	#endif //CC_XCACHE_WRAPPER_DEBUG_FILE_TRANSACTION
1423	}
1424	else
1425	{
1426	m_cpt_cc_update_icache++;
1427	r_tgt_update_data = false;
1428
1429	uint32_t tgt_num_cpu = p_vci_tgt.pktid.read();
1430	uint32_t tgt_num_cache = get_num_icache(tgt_iaddr,tgt_num_cpu);
1431	r_tgt_num_cache = tgt_num_cache;
1432
1433	PRINTF(" * <TGT> UPDT_WORD INSTRUCTION\n");
1434	PRINTF(" * <TGT> num_cache : %d\n",tgt_num_cache);
1435
1436	#if CC_XCACHE_WRAPPER_DEBUG_FILE_TRANSACTION
1437	{
1438	log_transaction_file_tgt
1439	<< "[" << m_cpt_total_cycles << "] "
1440	<< "UPT INS "
1441	<< std::hex
1442	<< " L " << std::setw(10) << (blob_t)tgt_addr
1443	<< std::dec
1444	<< " - " << tgt_num_cache
1445	<< std::endl;
1446	}
1447	#endif //CC_XCACHE_WRAPPER_DEBUG_FILE_TRANSACTION
1448	}
1449	r_tgt_update = true;
1450	r_vci_tgt_fsm = TGT_UPDT_WORD;
1451	}
1452
1453	} // end if address
1454
1455	r_tgt_iaddr = tgt_iaddr;
1456	r_tgt_daddr = tgt_daddr;
1457	PRINTF(" * <TGT> address (after) : i %llx, d %llx\n",(blob_t)tgt_iaddr,(blob_t)tgt_daddr);
1458
1459	} // end if cmdval
1460	break;
1461
1462	case TGT_UPDT_WORD:
1463	if (p_vci_tgt.cmdval.read())
1464	{
1465	if ( p_vci_tgt.eop.read() )
1466	{
1467	std::cout << "error in component VCI_CC_XCACHE_WRAPPER " << name() << std::endl;
1468	std::cout << "the MULTI-UPDATE command length must be N+2 words" << std::endl;
1469	exit(0);
1470	}
1471	for ( size_t i=0 ; i<m_dcache_words ; i++ ) r_tgt_be[i] = 0;
1472	r_tgt_word = p_vci_tgt.wdata.read(); // the first modified word index
1473	#ifdef COHERENCE_DEBUG
1474	std::cout << "PROC " << m_srcid_rw << " update, line : " << std::hex << r_tgt_daddr.read() << " word : " << p_vci_tgt.wdata.read() << std::dec << std::endl;
1475	#endif
1476	r_vci_tgt_fsm = TGT_UPDT_DATA;
1477	}
1478	break;
1479
1480	case TGT_UPDT_DATA:
1481	if (p_vci_tgt.cmdval.read())
1482	{
1483	size_t word = r_tgt_word.read();
1484	if ( word >= m_cache_words )
1485	{
1486	std::cout << "error in component VCI_CC_XCACHE_WRAPPER " << name() << std::endl;
1487	std::cout << "the reveived MULTI-UPDATE command length is wrong" << std::endl;
1488	exit(0);
1489	}
1490	#ifdef COHERENCE_DEBUG
1491	std::cout << "PROC " << m_srcid_rw << " update, data : " << p_vci_tgt.wdata.read() << " be : " << std::hex << p_vci_tgt.be.read() << std::dec << std::endl;
1492	#endif
1493
1494	r_tgt_buf[word] = p_vci_tgt.wdata.read();
1495	r_tgt_be [word] = p_vci_tgt.be.read();
1496
1497	if (p_vci_tgt.be.read())
1498	{
1499	if(r_tgt_update_data.read())
1500	m_cpt_cc_update_dcache_word_useful++ ;
1501	else
1502	m_cpt_cc_update_icache_word_useful++ ;
1503	}
1504
1505	r_tgt_word = word + 1;
1506	if (p_vci_tgt.eop.read()){
1507	#if CC_XCACHE_WRAPPER_CC_UPDATE_MULTI_CYCLE_OPT
1508	uint32_t word=0;
1509	for (; word<m_cache_words; ++word)
1510	if (r_tgt_be[word] != 0)
1511	break;
1512	r_cache_word = word;
1513	#endif
1514	if(r_tgt_update_data.read()){
1515	r_vci_tgt_fsm = TGT_REQ_DCACHE;
1516	} else {
1517	r_vci_tgt_fsm = TGT_REQ_ICACHE;
1518	}
1519	}
1520	}
1521	break;
1522
1523	case TGT_REQ_BROADCAST:
1524	{
1525	bool tgt_icache_req;
1526
1527	#if (CC_XCACHE_WRAPPER_MULTI_CACHE==1)
1528	tgt_icache_req = r_tgt_icache_req[r_tgt_num_cache].read();
1529	#elif (CC_XCACHE_WRAPPER_MULTI_CACHE==2)
1530	tgt_icache_req = false;
1531	for (uint32_t num_cache=0; num_cache<m_nb_icache; ++num_cache)
1532	tgt_icache_req \|= r_tgt_icache_req[num_cache].read();
1533	#endif
1534	if (not tgt_icache_req and not r_tgt_dcache_req[r_tgt_num_cache].read())
1535	{
1536	r_vci_tgt_fsm = TGT_RSP_BROADCAST;
1537
1538	#if (CC_XCACHE_WRAPPER_MULTI_CACHE==1)
1539	r_tgt_icache_req[r_tgt_num_cache] = true;
1540	#elif (CC_XCACHE_WRAPPER_MULTI_CACHE==2)
1541	for (uint32_t num_cache=0; num_cache<m_nb_icache; ++num_cache)
1542	r_tgt_icache_req[ num_cache] = true;
1543	#endif
1544
1545	r_tgt_dcache_req[r_tgt_num_cache] = true;
1546	}
1547	}
1548	break;
1549	////////////////////
1550	case TGT_REQ_ICACHE:
1551	{
1552	// Request treated by the icache
1553	if ( not r_tgt_icache_req[r_tgt_num_cache].read() )
1554	{
1555	r_vci_tgt_fsm = TGT_RSP_ICACHE;
1556	r_tgt_icache_req[r_tgt_num_cache] = true;
1557	}
1558	break;
1559	}
1560
1561	case TGT_REQ_DCACHE:
1562	{
1563	// Request treated by the dcache
1564
1565	if ( not r_tgt_dcache_req[r_tgt_num_cache].read() )
1566	{
1567	r_vci_tgt_fsm = TGT_RSP_DCACHE;
1568	r_tgt_dcache_req[r_tgt_num_cache] = true;
1569	}
1570	break;
1571	}
1572	case TGT_RSP_BROADCAST:
1573	{
1574	PRINTF(" * <TGT> dcache[%d] : %d - %d\n",(uint32_t)r_tgt_num_cache, (uint32_t)r_tgt_dcache_req[r_tgt_num_cache].read(),(uint32_t)r_tgt_dcache_rsp[r_tgt_num_cache].read());
1575	for (uint32_t num_cache=0; num_cache<m_nb_icache; ++num_cache)
1576	PRINTF(" * <TGT> icache[%d] : %d - %d\n",(uint32_t)num_cache, (uint32_t)r_tgt_icache_req[num_cache].read(),(uint32_t)r_tgt_icache_rsp[num_cache].read());
1577
1578	bool tgt_icache_req;
1579
1580	#if (CC_XCACHE_WRAPPER_MULTI_CACHE==1)
1581	tgt_icache_req = r_tgt_icache_req[r_tgt_num_cache].read();
1582	#elif (CC_XCACHE_WRAPPER_MULTI_CACHE==2)
1583	tgt_icache_req = false;
1584	for (uint32_t num_cache=0; num_cache<m_nb_icache; ++num_cache)
1585	tgt_icache_req \|= r_tgt_icache_req[num_cache].read();
1586	#endif
1587	if (not tgt_icache_req and not r_tgt_dcache_req[r_tgt_num_cache].read())
1588	{
1589	bool tgt_icache_rsp;
1590	uint32_t tgt_icache_rsp_num_cache;
1591
1592	#if (CC_XCACHE_WRAPPER_MULTI_CACHE==1)
1593	tgt_icache_rsp_num_cache = r_tgt_num_cache;
1594	tgt_icache_rsp = r_tgt_icache_rsp[r_tgt_num_cache].read();
1595	#elif (CC_XCACHE_WRAPPER_MULTI_CACHE==2)
1596	tgt_icache_rsp_num_cache = 0;
1597	for (;tgt_icache_rsp_num_cache<m_nb_icache; ++tgt_icache_rsp_num_cache)
1598	{
1599	PRINTF(" * <TGT> icache[%d] : %d\n",(uint32_t)tgt_icache_rsp_num_cache, (uint32_t)r_tgt_icache_rsp[tgt_icache_rsp_num_cache].read());
1600
1601	if (r_tgt_icache_rsp[tgt_icache_rsp_num_cache].read())
1602	break;
1603	}
1604
1605	tgt_icache_rsp = (tgt_icache_rsp_num_cache<m_nb_icache);
1606	#endif
1607
1608	PRINTF(" * <TGT> icache_rsp [%d] : %d\n",tgt_icache_rsp_num_cache,(uint32_t) tgt_icache_rsp);
1609	PRINTF(" * <TGT> dcache_rsp [%d] : %d\n",(uint32_t)r_tgt_num_cache,(uint32_t) r_tgt_dcache_rsp[r_tgt_num_cache]);
1610
1611	if (tgt_icache_rsp or r_tgt_dcache_rsp[r_tgt_num_cache])
1612	{
1613	// Have send one response
1614	if ( p_vci_tgt.rspack.read())
1615	{
1616	// reset dcache if activated
1617	if (r_tgt_dcache_rsp[r_tgt_num_cache])
1618	r_tgt_dcache_rsp[r_tgt_num_cache] = false;
1619	else
1620	// reset one icache
1621	r_tgt_icache_rsp[tgt_icache_rsp_num_cache] = false;
1622	}
1623	}
1624
1625	// // one response
1626	// if ( not r_tgt_icache_rsp[r_tgt_num_cache] or not r_tgt_dcache_rsp[r_tgt_num_cache] )
1627	// {
1628	// if ( p_vci_tgt.rspack.read() )
1629	// {
1630	// r_vci_tgt_fsm = TGT_IDLE;
1631	// r_tgt_icache_rsp[r_tgt_num_cache] = false;
1632	// r_tgt_dcache_rsp[r_tgt_num_cache] = false;
1633	// }
1634	// }
1635
1636	// // if data and instruction have the inval line, need two responses
1637	// if ( r_tgt_icache_rsp[r_tgt_num_cache] and r_tgt_dcache_rsp[r_tgt_num_cache] )
1638	// {
1639	// if ( p_vci_tgt.rspack.read() )
1640	// {
1641	// r_tgt_icache_rsp[r_tgt_num_cache] = false; // only reset one for respond the second time
1642	// }
1643	// }
1644
1645	PRINTF(" * <TGT> icache_rsp : %d\n",(uint32_t) r_tgt_icache_rsp[r_tgt_num_cache]);
1646	PRINTF(" * <TGT> dcache_rsp[%d] : %d\n",(uint32_t)r_tgt_num_cache,(uint32_t)r_tgt_dcache_rsp[r_tgt_num_cache].read());
1647	// if there is no need for a response
1648	if (not tgt_icache_rsp and not r_tgt_dcache_rsp[r_tgt_num_cache] )
1649	{
1650	r_vci_tgt_fsm = TGT_IDLE;
1651	}
1652
1653	}
1654	break;
1655	}
1656	////////////////////
1657	case TGT_RSP_ICACHE:
1658	{
1659	bool transaction_rsp = (p_vci_tgt.rspack.read() or not r_tgt_icache_rsp[r_tgt_num_cache].read()) and not r_tgt_icache_req[r_tgt_num_cache].read();
1660
1661	PRINTF(" * <TGT> RSP_ICACHE : transaction : %d ((%d or not %d) and not %d)\n",transaction_rsp
1662	,(int)p_vci_tgt.rspack.read()
1663	,(int)r_tgt_icache_rsp[r_tgt_num_cache].read()
1664	,(int)r_tgt_icache_req[r_tgt_num_cache].read()
1665	);
1666
1667	if (transaction_rsp)
1668	{
1669	r_vci_tgt_fsm = TGT_IDLE;
1670	r_tgt_icache_rsp[r_tgt_num_cache] = false;
1671	}
1672	break;
1673	}
1674
1675	case TGT_RSP_DCACHE:
1676	{
1677	bool transaction_rsp = (p_vci_tgt.rspack.read() or not r_tgt_dcache_rsp[r_tgt_num_cache].read()) and not r_tgt_dcache_req[r_tgt_num_cache].read();
1678
1679	PRINTF(" * <TGT> RSP_DCACHE : transaction : %d\n",transaction_rsp);
1680
1681	if (transaction_rsp)
1682	{
1683	r_vci_tgt_fsm = TGT_IDLE;
1684	r_tgt_dcache_rsp[r_tgt_num_cache] = false;
1685	}
1686	break;
1687	}
1688	} // end switch TGT_FSM
1689
1690	/////////////////////////////////////////////////////////////////////
1691	// Interface between CPU and CACHE FSM
1692	///////////////////////////////////////////////////////////////////////
1693
1694	uint32_t ireq_num_cache [m_nb_cpu];
1695	uint32_t dreq_num_cache [m_nb_cpu];
1696	bool have_sync = false;
1697
1698	{
1699	typename iss_t::InstructionRequest _ireq = ISS_IREQ_INITIALIZER;
1700	typename iss_t::DataRequest _dreq = ISS_DREQ_INITIALIZER;
1701
1702	for (uint32_t num_cache=0; num_cache<m_nb_icache; ++num_cache)
1703	{
1704	ireq [num_cache] = _ireq;
1705	//irsp [num_cache] = _irsp;
1706	}
1707	for (uint32_t num_cache=0; num_cache<m_nb_dcache; ++num_cache)
1708	{
1709	dreq [num_cache] = _dreq;
1710	//drsp [num_cache] = _drsp;
1711
1712	have_sync \|= r_dcache_sync [num_cache];
1713	}
1714	}
1715
1716	for (uint32_t _num_cpu=0; _num_cpu<m_nb_cpu; ++_num_cpu)
1717	{
1718	// round robin priority
1719	uint32_t num_cpu = (r_cpu_prior+_num_cpu)%m_nb_cpu;
1720
1721	typename iss_t::InstructionRequest _ireq = ISS_IREQ_INITIALIZER;
1722	typename iss_t::DataRequest _dreq = ISS_DREQ_INITIALIZER;
1723
1724	m_iss[num_cpu]->getRequests(_ireq, _dreq);
1725
1726	addr_40 addr;
1727	uint32_t num_cache;
1728
1729	addr = (addr_40)_ireq.addr;
1730	num_cache = get_num_icache(addr,num_cpu);
1731
1732	bool icache_req_valid = ((not ireq[num_cache].valid and // no previous request in this cycle
1733	(r_icache_lock [num_cache] == m_nb_cpu)) or // no previous request in previous cycle
1734	(r_icache_lock [num_cache] == num_cpu)); // previous request in previous cycle by this cpu
1735
1736	if (icache_req_valid)
1737	{
1738	bool valid = _ireq.valid;
1739
1740	if (valid)
1741	{
1742	PRINTF(" * <CPU2CACHE> ICACHE : Transaction between cpu %d and cache %d (lock)\n",num_cpu,num_cache);
1743	ireq_num_cache [num_cpu ] = num_cache;
1744	r_icache_lock [num_cache] = num_cpu;
1745	}
1746	else
1747	{
1748	PRINTF(" * <CPU2CACHE> ICACHE : No Transaction between cpu %d and cache %d : invalid\n",num_cpu,num_cache);
1749	ireq_num_cache [num_cpu] = m_nb_icache;
1750	}
1751
1752	ireq_cached [num_cache] = m_cacheability_table[(vci_addr_t)_ireq.addr];
1753	ireq_num_cpu [num_cache] = num_cpu;
1754	ireq [num_cache] = _ireq;
1755	ireq [num_cache].addr = addr;
1756	}
1757	else
1758	{
1759	PRINTF(" * <CPU2CACHE> ICACHE : No transaction (cpu %d)\n",num_cpu);
1760
1761	ireq_num_cache [num_cpu] = m_nb_icache;
1762	}
1763
1764	addr = (addr_40)_dreq.addr;
1765	num_cache = get_num_dcache(addr);
1766
1767
1768	bool dcache_no_lock = (r_dcache_lock [num_cache] == m_nb_cpu);
1769	bool dcache_lock_owner = (r_dcache_lock [num_cache] == num_cpu);
1770	#if CC_XCACHE_WRAPPER_MULTI_CACHE_HIT_AFTER_MISS
1771	bool dcache_lock_no_owner= not dcache_no_lock and not dcache_lock_owner;
1772	bool dcache_wait = ((r_dcache_fsm[num_cache] == DCACHE_MISS_WAIT)// or
1773	// (r_dcache_fsm[num_cache] == DCACHE_UNC_WAIT) or
1774	// (r_dcache_fsm[num_cache] == DCACHE_SC_WAIT)
1775	);
1776
1777	bool dcache_req_valid = ((not dreq[num_cache].valid and // no previous request in this cycle
1778	not have_sync and // no sync instruction
1779	(dcache_no_lock or
1780	(dcache_lock_no_owner and dcache_wait))) or // no previous request in previous cycle
1781	(dcache_lock_owner and not dcache_wait)); // previous request in previous cycle by this cpu
1782	#else
1783	bool dcache_req_valid = ((not dreq[num_cache].valid and // no previous request in this cycle
1784	not have_sync and // no sync instruction
1785	dcache_no_lock) or // no previous request in previous cycle
1786	dcache_lock_owner); // previous request in previous cycle by this cpu
1787	#endif
1788	// @@@@
1789
1790
1791	// test if already used
1792	if (dcache_req_valid)
1793	{
1794	bool valid = _dreq.valid;
1795
1796	if (valid)
1797	{
1798	PRINTF(" * <CPU2CACHE> DCACHE : Transaction between cpu %d and cache %d (lock)\n",num_cpu,num_cache);
1799	dreq_num_cache [num_cpu ] = num_cache;
1800
1801	#if CC_XCACHE_WRAPPER_MULTI_CACHE_HIT_AFTER_MISS
1802	if (not dcache_lock_no_owner)
1803	#endif
1804	r_dcache_lock [num_cache] = num_cpu;
1805	}
1806	else
1807	{
1808	PRINTF(" * <CPU2CACHE> DCACHE : No Transaction between cpu %d and cache %d : invalid\n",num_cpu,num_cache);
1809	dreq_num_cache [num_cpu] = m_nb_dcache;
1810	}
1811
1812	dreq_cached [num_cache] = m_cacheability_table[(vci_addr_t)_dreq.addr];
1813	dreq_num_cpu [num_cache] = num_cpu;
1814	dreq [num_cache] = _dreq;
1815	dreq [num_cache].addr = addr;
1816	}
1817	else
1818	{
1819	PRINTF(" * <CPU2CACHE> DCACHE : No transaction (cpu %d)\n",num_cpu);
1820
1821	dreq_num_cache [num_cpu] = m_nb_dcache;
1822	}
1823
1824
1825	#if CC_XCACHE_WRAPPER_DEBUG
1826	if (m_cpt_total_cycles>=CC_XCACHE_WRAPPER_DEBUG_CYCLE_MIN)
1827	{
1828	std::cout << " * <CPU2CACHE> Instruction Request : " << ireq_num_cache[num_cpu] << " - " << _ireq << std::endl
1829	<< " * <CPU2CACHE> Data Request : " << dreq_num_cache[num_cpu] << " - " << _dreq << std::endl;
1830	}
1831	#endif
1832	}
1833
1834	// round robin priority
1835	r_cpu_prior = (r_cpu_prior+1)%m_nb_cpu;
1836
1837	/////////////////////////////////////////////////////////////////////
1838	// The ICACHE FSM controls the following ressources:
1839	// - r_icache_fsm
1840	// - r_icache_fsm_save
1841	// - r_icache instruction cache access
1842	// - r_icache_addr_save
1843	// - r_icache_miss_req set
1844	// - r_icache_unc_req set
1845	// - r_icache_buf_unc_valid set
1846	// - r_vci_rsp_icache_miss_ok reset
1847	// - r_vci_rsp_ins_error reset
1848	// - r_tgt_icache_req reset
1849	// - ireq & irsp structures for communication with the processor
1850	//
1851	// 1/ External requests (update or invalidate) have highest priority.
1852	// They are taken into account in the IDLE and WAIT states.
1853	// As external hit should be extremly rare on the ICACHE,
1854	// all external requests are handled as invalidate...
1855	// In case of external request the ICACHE FSM goes to the CC_CHECK
1856	// state to test the external hit, and returns in the
1857	// pre-empted state after completion.
1858	// 2/ Processor requests are taken into account only in the IDLE state.
1859	// In case of MISS, or in case of uncached instruction, the FSM
1860	// writes the missing address line in the r_icache_addr_save register
1861	// and sets the r_icache_miss_req or the r_icache_unc_req flip-flops.
1862	// These request flip-flops are reset by the VCI_RSP FSM
1863	// when the VCI transaction is completed and the r_icache_buf_unc_valid
1864	// is set in case of uncached access.
1865	// In case of bus error, the VCI_RSP FSM sets the r_vci_rsp_ins_error
1866	// flip-flop. It is reset by the ICACHE FSM.
1867	///////////////////////////////////////////////////////////////////////
1868
1869	for (uint32_t num_cache=0; num_cache<m_nb_icache; ++num_cache)
1870	{
1871	typename iss_t::InstructionRequest _ireq = ireq [num_cache];
1872	typename iss_t::InstructionResponse _irsp = ISS_IRSP_INITIALIZER;
1873
1874	switch(r_icache_fsm[num_cache]) {
1875	/////////////////
1876	case ICACHE_IDLE:
1877	{
1878	if ( r_tgt_icache_req[num_cache] ) { // external request
1879	// if ( _ireq.valid ) m_cost_ins_miss_frz++;
1880	r_icache_fsm [num_cache] = ICACHE_CC_CHECK;
1881	r_icache_fsm_save[num_cache] = r_icache_fsm[num_cache];
1882	break;
1883	}
1884	if ( _ireq.valid ) {
1885	data_t icache_ins = 0;
1886	bool icache_hit = false;
1887	bool icache_cached = ireq_cached [num_cache];
1888	// uint32_t icache_num_cpu = ireq_num_cpu [num_cache];
1889	bool icache_cleanup_hit = r_icache_cleanup_req[num_cache] and (((addr_40)_ireq.addr >> (addr_40)m_icache_words_shift) == r_icache_cleanup_line[num_cache].read());
1890
1891	// icache_hit & icache_ins evaluation
1892	if ( icache_cached ) {
1893	icache_hit = r_icache[num_cache]->read((vci_addr_t) _ireq.addr, &icache_ins);
1894	} else {
1895	// if uncache, again in the icache_miss_buf
1896	icache_hit = (r_icache_buf_unc_valid[num_cache] and ((addr_40) _ireq.addr == (addr_40)r_icache_addr_save[num_cache]));
1897	icache_ins = CACHE_MISS_BUF_RSP_DATA(i,num_cache,0);
1898
1899	if (icache_hit)
1900	CACHE_MISS_BUF_RSP_POP(i,num_cache);
1901	}
1902
1903	PRINTF(" * <ICACHE [%d]> hit %d - cached %d - cleanup_hit %d\n",num_cache, icache_hit, icache_cached, icache_cleanup_hit);
1904
1905	if (icache_hit and icache_cleanup_hit)
1906	{
1907	PRINTF(" * <ICACHE [%d]> Warning : icache hit and icache_cleanup_hit\n",num_cache);
1908	icache_hit = false;
1909	}
1910	else
1911	{
1912	if ( not icache_hit and not icache_cleanup_hit)
1913	{
1914	m_cpt_ins_miss++;
1915	m_cost_ins_miss_frz++;
1916
1917	r_icache_addr_save[num_cache] = (addr_40) _ireq.addr;
1918
1919	if ( icache_cached )
1920	{
1921	// to prevent deadlock, miss victim don't be block
1922	if (not r_icache_cleanup_req[num_cache])
1923	{
1924	CACHE_MISS_BUF_REQ_INIT(i,num_cache);
1925	r_icache_fsm [num_cache] = ICACHE_MISS_VICTIM;
1926	r_icache_miss_req[num_cache] = true;
1927	}
1928	else
1929	m_cpt_icache_miss_victim_wait [num_cache] ++;
1930	}
1931	else
1932	{
1933	CACHE_MISS_BUF_REQ_INIT(i,num_cache);
1934	r_icache_addr_save[num_cache] = (addr_40) _ireq.addr;
1935
1936	r_icache_fsm [num_cache] = ICACHE_UNC_WAIT;
1937	r_icache_unc_req[num_cache] = true;
1938	}
1939	}
1940	else
1941	{
1942	r_icache_buf_unc_valid[num_cache] = false;
1943	}
1944	m_cpt_icache_dir_read += m_icache_ways;
1945	m_cpt_icache_data_read += m_icache_ways;
1946	}
1947
1948	_irsp.valid = icache_hit;
1949	_irsp.instruction = icache_ins;
1950	}
1951	break;
1952	}
1953	//////////////////////
1954	case ICACHE_MISS_VICTIM:
1955	{
1956	// if (not r_icache_cleanup_req[num_cache])
1957	{
1958	size_t way;
1959	size_t set;
1960	vci_addr_t addr = (vci_addr_t) r_icache_addr_save[num_cache].read();
1961	vci_addr_t victim;
1962
1963	r_icache_cleanup_req [num_cache] = r_icache[num_cache]->victim_select(addr, &victim, &way, &set );
1964	r_icache_cleanup_line[num_cache] = (addr_40) victim;
1965	r_icache_miss_way [num_cache] = way;
1966	r_icache_miss_set [num_cache] = set;
1967
1968	r_icache_fsm [num_cache] = ICACHE_MISS_WAIT;
1969	}
1970	break;
1971	}
1972	//////////////////////
1973	case ICACHE_MISS_WAIT:
1974	{
1975	m_cost_ins_miss_frz++;
1976	if ( r_tgt_icache_req[num_cache] ) { // external request
1977	r_icache_fsm [num_cache] = ICACHE_CC_CHECK;
1978	r_icache_fsm_save [num_cache] = r_icache_fsm[num_cache].read();
1979	break;
1980	}
1981
1982	bool val = CACHE_MISS_BUF_RSP_VAL(i,num_cache,0);
1983
1984	PRINTF(" * <ICACHE [%d]> val : %d\n",num_cache,val);
1985
1986	if (val)
1987	{
1988	PRINTF(" * <ICACHE [%d]> r_icache_inval_rsp : %d\n",num_cache,(int) r_icache_inval_rsp [num_cache]);
1989	PRINTF(" * <ICACHE [%d]> r_vci_rsp_ins_error : %d\n",num_cache,(int) r_vci_rsp_ins_error [num_cache]);
1990	PRINTF(" * <ICACHE [%d]> r_icache_cleanup_req : %d\n",num_cache,(int) r_icache_cleanup_req[num_cache]);
1991
1992	// Miss read response and no invalidation
1993	if ( r_vci_rsp_ins_error [num_cache]) {
1994	r_icache_fsm[num_cache] = ICACHE_ERROR;
1995	} else {
1996	r_icache_update_addr[num_cache] = 0;
1997	r_icache_fsm [num_cache] = ICACHE_MISS_UPDT;
1998	}
1999	}
2000	break;
2001	}
2002	/////////////////////
2003	case ICACHE_UNC_WAIT:
2004	{
2005	m_cost_ins_miss_frz++;
2006	if ( r_tgt_icache_req[num_cache] ) { // external request
2007	r_icache_fsm [num_cache] = ICACHE_CC_CHECK;
2008	r_icache_fsm_save[num_cache] = r_icache_fsm[num_cache].read();
2009	break;
2010	}
2011
2012	bool ok = CACHE_MISS_BUF_RSP_VAL(i,num_cache,0);
2013
2014	PRINTF(" * <ICACHE [%d]> ok : %d\n",num_cache,ok);
2015	PRINTF(" * <ICACHE [%d]> error : %d\n",num_cache,(uint32_t)r_vci_rsp_ins_error [num_cache]);
2016
2017	if (ok)
2018	{
2019	if ( r_vci_rsp_ins_error [num_cache]) {
2020	r_icache_fsm[num_cache] = ICACHE_ERROR;
2021	} else {
2022	r_icache_fsm [num_cache] = ICACHE_IDLE;
2023	r_icache_buf_unc_valid[num_cache] = true;
2024	}
2025	}
2026	break;
2027	}
2028	//////////////////
2029	case ICACHE_ERROR:
2030	{
2031	if ( (addr_40)_ireq.addr == (addr_40)r_icache_addr_save[num_cache] ) {
2032	_irsp.error = true;
2033	_irsp.valid = true;
2034	}
2035	r_icache_fsm [num_cache] = ICACHE_IDLE;
2036	r_vci_rsp_ins_error [num_cache] = false;
2037	break;
2038	}
2039	//////////////////////
2040	case ICACHE_MISS_UPDT:
2041	{
2042	size_t word = r_icache_update_addr[num_cache].read();
2043	vci_addr_t addr = (vci_addr_t) r_icache_addr_save [num_cache].read();
2044	size_t way = r_icache_miss_way[num_cache].read();
2045	size_t set = r_icache_miss_set[num_cache].read();
2046
2047	bool val = CACHE_MISS_BUF_RSP_VAL(i,num_cache,word);
2048
2049	if (val)
2050	{
2051	PRINTF(" * <ICACHE [%d]> rsp_val : %d/%d\n",num_cache,(int)r_icache_update_addr[num_cache],(int)m_icache_words);
2052	PRINTF(" * <ICACHE [%d]> r_icache_inval_rsp : %d\n" ,num_cache,(int)r_icache_inval_rsp[num_cache]);
2053	PRINTF(" * <ICACHE [%d]> ins : %x\n" ,num_cache,(int)CACHE_MISS_BUF_RSP_DATA(i,num_cache,word));
2054
2055	// m_cpt_icache_dir_write++;
2056	// m_cpt_icache_data_write++;
2057	// if ( _ireq.valid ) m_cost_ins_miss_frz++;
2058
2059	// if need invalid rsp, don't modify the cache, but pop the buf_rsp
2060	if (not r_icache_inval_rsp[num_cache])
2061	r_icache[num_cache]->write(way, set, word, CACHE_MISS_BUF_RSP_DATA(i,num_cache,word));
2062
2063	CACHE_MISS_BUF_RSP_POP(i,num_cache);
2064
2065	r_icache_update_addr[num_cache] = ++word;
2066
2067	// if last word, finish the update
2068	if (word >= m_icache_words)
2069	{
2070	// in all case (inval_rsp or not), update the victim tag
2071	r_icache[num_cache]->victim_update_tag(addr, way, set);
2072
2073	// Last word : if previous invalid_rsp, can cleanup, else update the TAG
2074	if (r_icache_inval_rsp[num_cache])
2075	{
2076	r_icache_inval_rsp[num_cache] = false;
2077	r_icache_fsm [num_cache] = ICACHE_CC_CLEANUP;
2078	}
2079	else
2080	{
2081	r_icache_fsm [num_cache] = ICACHE_IDLE;
2082	}
2083	}
2084	}
2085
2086	break;
2087	}
2088	////////////////////
2089	case ICACHE_CC_CLEANUP:
2090	{
2091	// cleanup
2092	if(not r_icache_cleanup_req[num_cache]){
2093	r_icache_cleanup_req [num_cache] = true;
2094	r_icache_cleanup_line[num_cache] = r_icache_addr_save[num_cache].read() >> m_icache_words_shift;
2095	r_icache_fsm [num_cache] = ICACHE_IDLE;
2096
2097	m_cpt_icache_dir_read += m_icache_ways;
2098	r_icache[num_cache]->inval((addr_40)r_icache_addr_save[num_cache]);
2099	}
2100	break;
2101	}
2102	/////////////////////
2103	case ICACHE_CC_CHECK: // read directory in case of invalidate or update request
2104	{
2105
2106	m_cpt_icache_dir_read += m_icache_ways;
2107	m_cpt_icache_data_read += m_icache_ways;
2108	addr_40 ad = r_tgt_iaddr;
2109	data_t icache_rdata = 0;
2110
2111	PRINTF(" * <ICACHE [%d]> CC_CHECK\n",num_cache);
2112
2113	if((r_icache_fsm_save[num_cache] == ICACHE_MISS_WAIT) and
2114	((r_icache_addr_save[num_cache].read() & ~((m_icache_words<<2)-1)) == (ad & ~((m_icache_words<<2)-1)))) {
2115	PRINTF(" * <ICACHE [%d]> have request, need inval rsp\n",num_cache);
2116
2117	r_icache_inval_rsp[num_cache] = true;
2118	r_tgt_icache_req [num_cache] = false;
2119	if(r_tgt_update){ // Also send a cleanup and answer
2120	PRINTF(" * <ICACHE [%d]> send a cleanup and answer\n",num_cache);
2121	r_tgt_icache_rsp[num_cache] = true;
2122	} else { // Also send a cleanup but don't answer
2123	PRINTF(" * <ICACHE [%d]> send a cleanup and but don't answer\n",num_cache);
2124	r_tgt_icache_rsp[num_cache] = false;
2125	}
2126	r_icache_fsm[num_cache] = r_icache_fsm_save[num_cache];
2127	} else {
2128	bool icache_hit = r_icache[num_cache]->read(ad, &icache_rdata);
2129
2130	PRINTF(" * <ICACHE [%d]> have no request, hit cache : %d\n",num_cache,icache_hit);
2131
2132	if ( icache_hit and r_tgt_update)
2133	{
2134	#if CC_XCACHE_WRAPPER_CC_UPDATE_MULTI_CYCLE
2135	uint32_t word = r_cache_word;
2136	data_t mask = vci_param::be2mask(r_tgt_be[word]);
2137	data_t rdata = 0;
2138
2139	r_icache[num_cache]->read(ad+word*4,&rdata);
2140	r_tgt_buf[word] = (mask & r_tgt_buf[word]) \| (~mask & rdata);
2141
2142	word ++;
2143	#if CC_XCACHE_WRAPPER_CC_UPDATE_MULTI_CYCLE_OPT
2144	for (; word<m_icache_words; ++word)
2145	if (r_tgt_be[word] != 0)
2146	break;
2147	#endif
2148
2149	if (word==m_icache_words)
2150	{
2151	r_icache_fsm[num_cache] = ICACHE_CC_UPDT;
2152
2153	#if CC_XCACHE_WRAPPER_CC_UPDATE_MULTI_CYCLE_OPT
2154	for (word=0; word<m_icache_words; ++word)
2155	if (r_tgt_be[word] != 0)
2156	break;
2157	#else
2158	word = 0;
2159	#endif
2160	}
2161	r_cache_word = word;
2162	#else //CC_XCACHE_WRAPPER_CC_UPDATE_MULTI_CYCLE
2163	r_icache_fsm[num_cache] = ICACHE_CC_UPDT;
2164	// complete the line buffer in case of update
2165	for(size_t i=0; i<m_icache_words; i++){
2166	data_t rdata = 0;
2167	r_icache[num_cache]->read(ad + i*4,&rdata);
2168	data_t mask = vci_param::be2mask(r_tgt_be[i]);
2169	r_tgt_buf[i] = (mask & r_tgt_buf[i]) \| (~mask & rdata);
2170	}
2171	#endif //CC_XCACHE_WRAPPER_CC_UPDATE_MULTI_CYCLE
2172	} else if ( icache_hit and not r_tgt_update) {
2173	r_icache_fsm[num_cache] = ICACHE_CC_INVAL;
2174	} else { // instruction not found (can happen)
2175	r_tgt_icache_req[num_cache] = false;
2176	if(r_tgt_update){
2177	r_tgt_icache_rsp[num_cache] = true;
2178	} else {
2179	r_tgt_icache_rsp[num_cache] = false;
2180	}
2181	r_icache_fsm[num_cache] = r_icache_fsm_save[num_cache];
2182	}
2183	}
2184	break;
2185	}
2186	/////////////////////
2187	case ICACHE_CC_INVAL:
2188	{
2189	addr_40 ad = r_tgt_iaddr;
2190	// if ( _ireq.valid ) m_cost_ins_miss_frz++;
2191	m_cpt_icache_dir_read += m_icache_ways;
2192	r_tgt_icache_rsp[num_cache] = true;
2193	r_icache[num_cache]->inval(ad);
2194	r_tgt_icache_req[num_cache] = false;
2195	r_icache_fsm [num_cache] = r_icache_fsm_save[num_cache];
2196	break;
2197	}
2198	/////////////////////
2199	case ICACHE_CC_UPDT:
2200	{
2201	addr_40 ad = r_tgt_iaddr.read();
2202	m_cpt_icache_dir_write++;
2203	m_cpt_icache_data_write++;
2204
2205	#if CC_XCACHE_WRAPPER_CC_UPDATE_MULTI_CYCLE
2206	uint32_t word = r_cache_word;
2207
2208	if(r_tgt_be[word])
2209	r_icache[num_cache]->write(ad+word*4, r_tgt_buf[word]);
2210
2211	word ++;
2212	#if CC_XCACHE_WRAPPER_CC_UPDATE_MULTI_CYCLE_OPT
2213	for (; word<m_icache_words; ++word)
2214	if (r_tgt_be[word] != 0)
2215	break;
2216	#endif
2217
2218	if (word==m_icache_words)
2219	{
2220	r_tgt_icache_req[num_cache] = false;
2221	r_tgt_icache_rsp[num_cache] = true;
2222	r_icache_fsm [num_cache] = r_icache_fsm_save[num_cache].read();
2223	word = 0;
2224	}
2225	r_cache_word = word;
2226	#else //CC_XCACHE_WRAPPER_CC_UPDATE_MULTI_CYCLE
2227	data_t* buf = r_tgt_buf;
2228	for(size_t i=0; i<m_icache_words;i++){
2229	if(r_tgt_be[i]) r_icache[num_cache]->write( ad + i*4, buf[i]);
2230	}
2231	r_tgt_icache_req [num_cache] = false;
2232	r_tgt_icache_rsp [num_cache] = true;
2233	r_icache_fsm [num_cache] = r_icache_fsm_save[num_cache].read();
2234	#endif //CC_XCACHE_WRAPPER_CC_UPDATE_MULTI_CYCLE
2235
2236	break;
2237	}
2238
2239	}// end switch r_icache_fsm
2240
2241	irsp [num_cache] = _irsp;
2242	if (_ireq.valid and _irsp.valid)
2243	{
2244	PRINTF(" * <CPU2CACHE> Transaction between cpu %d and Icache %d (unlock)\n",r_icache_lock [num_cache].read(),num_cache);
2245
2246	r_icache_lock [num_cache] = m_nb_cpu;
2247	m_cpt_icache_access [num_cache] ++;
2248	}
2249
2250	}// end for num_cache
2251
2252	//////////////////////////////////////////////////////////////////////://///////////
2253	// The DCACHE FSM controls the following ressources:
2254	// - r_dcache_fsm
2255	// - r_dcache_fsm_save
2256	// - r_dcache (data cache access)
2257	// - r_dcache_addr_save
2258	// - r_dcache_wdata_save
2259	// - r_dcache_rdata_save
2260	// - r_dcache_type_save
2261	// - r_dcache_be_save
2262	// - r_dcache_cached_save
2263	// - r_dcache_miss_req set
2264	// - r_dcache_unc_req set
2265	// - r_dcache_cleanup_req set
2266	// - r_vci_rsp_data_error reset
2267	// - r_tgt_dcache_req reset
2268	// - r_wbuf write
2269	// - dreq & drsp structures for communication with the processor
2270	//
2271	// 1/ EXTERNAL REQUEST :
2272	// There is an external request when the tgt_dcache req flip-flop is set,
2273	// requesting a line invalidation or a line update.
2274	// External requests are taken into account in the states IDLE, WRITE_REQ,
2275	// UNC_WAIT, MISS_WAIT, and have the highest priority :
2276	// The actions associated to the pre-empted state are not executed, the DCACHE FSM
2277	// goes to the CC_CHECK state to execute the requested action, and returns to the
2278	// pre-empted state.
2279	// 2/ PROCESSOR REQUEST :
2280	// In order to support VCI write burst, the processor requests are taken into account
2281	// in the WRITE_REQ state as well as in the IDLE state.
2282	// - In the IDLE state, the processor request cannot be satisfied if
2283	// there is a cached read miss, or an uncached read.
2284	// - In the WRITE_REQ state, the request cannot be satisfied if
2285	// there is a cached read miss, or an uncached read,
2286	// or when the write buffer is full.
2287	// - In all other states, the processor request is not satisfied.
2288	//
2289	// The cache access takes into account the cacheability_table.
2290	// In case of processor request, there is five conditions to exit the IDLE state:
2291	// - CACHED READ MISS => to the MISS_WAIT state (waiting the r_miss_ok signal),
2292	// then to the MISS_UPDT state, and finally to the IDLE state.
2293	// - UNCACHED READ => to the UNC_WAIT state (waiting the r_miss_ok signal),
2294	// and to the IDLE state.
2295	// - CACHE INVALIDATE HIT => to the INVAL state for one cycle, then to IDLE state.
2296	// - WRITE MISS => directly to the WRITE_REQ state to access the write buffer.
2297	// - WRITE HIT => to the WRITE_UPDT state, then to the WRITE_REQ state.
2298	//
2299	// Error handling : Read Bus Errors are synchronous events, but
2300	// Write Bus Errors are asynchronous events (processor is not frozen).
2301	// - If a Read Bus Error is detected, the VCI_RSP FSM sets the
2302	// r_vci_rsp_data_error flip-flop, and the synchronous error is signaled
2303	// by the DCACHE FSM.
2304	// - If a Write Bus Error is detected, the VCI_RSP FSM signals
2305	// the asynchronous error using the setWriteBerr() method.
2306	///////////////////////////////////////////////////////////////////////////////////
2307
2308	for (uint32_t num_cache=0; num_cache<m_nb_dcache; ++num_cache)
2309	{
2310	typename iss_t::DataRequest _dreq = dreq [num_cache];
2311	typename iss_t::DataResponse _drsp = ISS_DRSP_INITIALIZER;
2312
2313	switch ( r_dcache_fsm[num_cache]) {
2314
2315	/////////////////
2316	case DCACHE_IDLE:
2317	{
2318	if ( r_tgt_dcache_req[num_cache]) { // external request
2319	r_dcache_fsm [num_cache] = DCACHE_CC_CHECK;
2320	r_dcache_fsm_save[num_cache] = r_dcache_fsm[num_cache];
2321	break;
2322	}
2323
2324	if ( _dreq.valid ) {
2325	PRINTF(" * <DCACHE [%d]> Have dreq\n",num_cache);
2326
2327	data_t dcache_rdata = 0;
2328	// dcache_cached and dcache_hit don't used with _dreq.type == {DATA_SC, XTN_READ, XTN_WRITE}
2329	bool dcache_cached = dreq_cached [num_cache];
2330	uint32_t dcache_num_cpu = dreq_num_cpu [num_cache];
2331	bool dcache_hit = r_dcache[num_cache]->read((vci_addr_t) _dreq.addr, &dcache_rdata);
2332	bool dcache_cleanup_hit = r_dcache_cleanup_req[num_cache] and (((addr_40)_dreq.addr >> (addr_40)m_dcache_words_shift) == r_dcache_cleanup_line[num_cache].read());
2333
2334	PRINTF(" * <DCACHE [%d]> hit %d - cached %d - cleanup_hit %d\n",num_cache,dcache_hit, dcache_cached, dcache_cleanup_hit);
2335
2336	m_cpt_dcache_data_read += m_dcache_ways;
2337	m_cpt_dcache_dir_read += m_dcache_ways;
2338
2339	switch( _dreq.type ) {
2340	case iss_t::DATA_READ:
2341	case iss_t::DATA_LL:
2342	{
2343	m_cpt_data_read++; // new dcache read
2344
2345	if (dcache_hit) // no special test for uncached read, because it's always miss
2346	{
2347	// address is in the cache : return the word
2348	r_dcache_fsm [num_cache] = DCACHE_IDLE;
2349
2350	_drsp.valid = true;
2351	_drsp.rdata = dcache_rdata; // return read data (cf dcache_hit)
2352
2353	// if the request is a Load Linked instruction, save request information
2354	if(_dreq.type == iss_t::DATA_LL)
2355	{
2356	PRINTF(" * <DCACHE [%d]> ll_valid = true\n",num_cache);
2357
2358	r_dcache_ll_valid [num_cache][dcache_num_cpu] = true;
2359	r_dcache_ll_data [num_cache][dcache_num_cpu] = dcache_rdata;
2360	r_dcache_ll_addr [num_cache][dcache_num_cpu] = (vci_addr_t) _dreq.addr;
2361	#ifdef COHERENCE_DEBUG
2362	std::cout << "Value returned for LL at address : " << std::hex << _dreq.addr << " data : " << std::dec << dcache_rdata<< std::endl;
2363	r_dcache[num_cache]->read((vci_addr_t) _dreq.addr, &dcache_rdata);
2364	std::cout << "Value stored at this address : " << std::hex << _dreq.addr << " data : " << std::dec << dcache_rdata<< std::endl;
2365	#endif
2366	}
2367	}
2368	else
2369	{
2370	if (not dcache_cleanup_hit)
2371	{
2372
2373	// Miss : send signal at the CMD_FSM (via r_dcache_miss_req or r_dcache_unc_req)
2374	if ( dcache_cached ) {
2375	// to prevent deadlock, miss victim don't be block
2376	if (not r_dcache_cleanup_req[num_cache].read())
2377	{
2378	CACHE_MISS_BUF_REQ_INIT(d,num_cache);
2379
2380	m_cpt_data_read_miss++;
2381	m_cost_data_miss_frz++;
2382	r_dcache_miss_req [num_cache] = true;
2383	r_dcache_fsm [num_cache] = DCACHE_MISS_VICTIM;
2384	}
2385	else
2386	m_cpt_icache_miss_victim_wait [num_cache] ++;
2387	} else {
2388	if (not r_dcache_previous_unc[num_cache].read()) // strongly order to the uncached access
2389	{
2390	CACHE_MISS_BUF_REQ_INIT(d,num_cache);
2391
2392	r_dcache_previous_unc[num_cache] = true;
2393
2394	m_cpt_data_read_uncached++;
2395	m_cost_unc_read_frz++;
2396	r_dcache_unc_req[num_cache] = true;
2397	r_dcache_fsm [num_cache] = DCACHE_UNC_WAIT;
2398	}
2399	}
2400	}
2401	}
2402	}
2403	break;
2404	case iss_t::DATA_SC:
2405	{
2406	PRINTF(" * <DCACHE [%d]> DATA_SC - ll_valid = %d, num_cpu = %d\n",num_cache,r_dcache_ll_valid[num_cache][dcache_num_cpu].read(),dcache_num_cpu);
2407
2408	if (not r_dcache_previous_unc[num_cache].read() and not dcache_cleanup_hit) // strongly order to the uncached access
2409	{
2410	//m_cpt_data_read_unc++; // instruction must read the memory in uncached mode
2411	m_cost_unc_read_frz++;
2412
2413	// if previous load linked (with the same address), make a transaction
2414	// else, keep in IDLE state and return 1 (no OK)
2415	if( r_dcache_ll_valid[num_cache][dcache_num_cpu].read() and
2416	(r_dcache_ll_addr [num_cache][dcache_num_cpu].read() == (vci_addr_t)_dreq.addr)){
2417	PRINTF(" * <DCACHE [%d]> have previous load linked\n",num_cache);
2418
2419	r_dcache_previous_unc[num_cache] = true;
2420	r_dcache_sc_req [num_cache] = true;
2421
2422	CACHE_MISS_BUF_REQ_INIT(d,num_cache);
2423
2424	r_dcache_fsm [num_cache] = DCACHE_SC_WAIT;
2425	} else {
2426	PRINTF(" * <DCACHE [%d]> don't have previous load linked\n",num_cache);
2427
2428	_drsp.valid = true;
2429	_drsp.rdata = 1; // SC rsp NOK
2430	r_dcache_ll_valid[num_cache][dcache_num_cpu] = false;
2431	}
2432	}
2433
2434	break;
2435	}
2436	case iss_t::XTN_READ:
2437	case iss_t::XTN_WRITE:
2438	{
2439	bool valid = false;
2440	// only DCACHE INVALIDATE and SYNC request are supported
2441	switch (_dreq.addr>>2)
2442	{
2443	case iss_t::XTN_DCACHE_INVAL :
2444	{
2445	valid = true;
2446	r_dcache_fsm[num_cache] = DCACHE_INVAL;
2447	break;
2448	}
2449	case iss_t::XTN_SYNC :
2450	{
2451	// Test if write buffer is already empty
2452	// * gain : 1 cycle
2453	// * cost : can be on the critical path
2454
2455	bool empty=true;
2456	for (uint32_t i=0; i<m_nb_dcache; ++i)
2457	empty &= r_wbuf[i]->empty();
2458
2459	if (empty)
2460	{
2461	valid = true;
2462	r_dcache_fsm [num_cache] = DCACHE_IDLE;
2463	}
2464	else
2465	{
2466	valid = false;
2467	r_dcache_fsm [num_cache] = DCACHE_SYNC;
2468	r_dcache_sync[num_cache] = true;
2469	}
2470	break;
2471	}
2472	default :
2473	{
2474	// std::cout << "Warning in VCI_CC_XCACHE_WRAPPER " << name() << std::endl;
2475	// std::cout << "Unsupported external access : " << (_dreq.addr>>2) << std::endl;
2476
2477	r_dcache_fsm [num_cache] = DCACHE_IDLE;
2478	}
2479	}//end switch (_dreq.addr>>2)
2480
2481	_drsp.valid = valid;
2482	_drsp.rdata = 0;
2483	break;
2484	}
2485	case iss_t::DATA_WRITE:
2486
2487	PRINTF(" * <DCACHE [%d]> r_dcache_previous_unc : %d\n",num_cache,r_dcache_previous_unc[num_cache].read());
2488
2489	if (dcache_cached or not r_dcache_previous_unc[num_cache].read()) // strongly order to the uncached access
2490	{
2491	bool valid;
2492	addr_40 addr = _dreq.addr;
2493	set_num_dcache(addr,num_cache);
2494
2495	// FIXME :
2496	// * dans le wbuf, ne pas mettre l'adresse au complet (economie de surface)
2497	// * pour cela, virer le set_num_dcache !
2498	valid = r_wbuf[num_cache]->write(addr, _dreq.be, _dreq.wdata, dcache_cached, dcache_num_cpu);
2499	PRINTF(" * <DCACHE [%d]> r_wbuf valid : %d\n",num_cache,valid);
2500
2501	if (valid)
2502	{
2503	m_cpt_data_write++;
2504
2505	if (not dcache_cached)
2506	{
2507	r_dcache_previous_unc[num_cache] = true;
2508	m_cpt_data_write_uncached++;
2509	}
2510	else if (not dcache_hit)
2511	m_cpt_data_write_miss++;
2512
2513	if (dcache_hit) {
2514	// update data cache
2515	r_dcache_fsm[num_cache] = DCACHE_WRITE_UPDT;
2516	} else {
2517	// write accepted
2518	r_dcache_fsm [num_cache] = DCACHE_IDLE;
2519	}
2520	}
2521
2522	_drsp.valid = valid;
2523	_drsp.rdata = 0;
2524	}
2525	break;
2526	} // end switch _dreq.type
2527
2528	r_dcache_addr_save [num_cache] = (addr_40) _dreq.addr;
2529	r_dcache_type_save [num_cache] = _dreq.type;
2530	r_dcache_wdata_save [num_cache] = _dreq.wdata;
2531	r_dcache_be_save [num_cache] = _dreq.be;
2532	r_dcache_rdata_save [num_cache] = dcache_rdata;
2533	r_dcache_cached_save [num_cache] = dcache_cached;
2534	r_dcache_num_cpu_save[num_cache] = dcache_num_cpu;
2535
2536	} else { // end if _dreq.valid
2537	r_dcache_fsm [num_cache] = DCACHE_IDLE;
2538	}
2539
2540	break;
2541	}
2542	///////////////////////
2543	case DCACHE_WRITE_UPDT:
2544	{
2545	m_cpt_dcache_data_write++;
2546	data_t mask = vci_param::be2mask(r_dcache_be_save[num_cache]);
2547	data_t wdata = (mask & r_dcache_wdata_save[num_cache]) \| (~mask & r_dcache_rdata_save[num_cache]);
2548	vci_addr_t ad = r_dcache_addr_save[num_cache].read();
2549	r_dcache[num_cache]->write(ad, wdata);
2550
2551	int dcache_fsm_next = DCACHE_IDLE; // default
2552
2553	#if CC_XCACHE_WRAPPER_STORE_AFTER_STORE
2554	// Test if write after write
2555
2556	if (_dreq.valid and (_dreq.type == iss_t::DATA_WRITE))
2557	{
2558	PRINTF(" * <DCACHE [%d]> Have dreq (Write after Write)\n",num_cache);
2559
2560	data_t dcache_rdata = 0;
2561	// dcache_cached and dcache_hit don't used with _dreq.type == {DATA_SC, XTN_READ, XTN_WRITE}
2562	bool dcache_cached = dreq_cached [num_cache];
2563	uint32_t dcache_num_cpu = dreq_num_cpu [num_cache];
2564	bool dcache_hit = r_dcache[num_cache]->read((vci_addr_t) _dreq.addr, &dcache_rdata);
2565
2566	m_cpt_dcache_data_read += m_dcache_ways;
2567	m_cpt_dcache_dir_read += m_dcache_ways;
2568
2569	PRINTF(" * <DCACHE [%d]> r_dcache_previous_unc : %d\n",num_cache,r_dcache_previous_unc[num_cache].read());
2570
2571	if (dcache_cached or not r_dcache_previous_unc[num_cache].read()) // strongly order to the uncached access
2572	{
2573	bool valid;
2574	addr_40 addr = _dreq.addr;
2575	set_num_dcache(addr,num_cache);
2576
2577	// FIXME :
2578	// * dans le wbuf, ne pas mettre l'adresse au complet (economie de surface)
2579	// * pour cela, virer le set_num_dcache !
2580	valid = r_wbuf[num_cache]->write(addr, _dreq.be, _dreq.wdata, dcache_cached, dcache_num_cpu);
2581	PRINTF(" * <DCACHE [%d]> r_wbuf valid : %d\n",num_cache,valid);
2582
2583	if (valid)
2584	{
2585	m_cpt_dcache_store_after_store [num_cache] ++;
2586
2587	m_cpt_data_write++;
2588
2589	if (not dcache_cached)
2590	{
2591	r_dcache_previous_unc[num_cache] = true;
2592	m_cpt_data_write_uncached++;
2593	}
2594	else if (not dcache_hit)
2595	m_cpt_data_write_miss++;
2596
2597	if (dcache_hit) {
2598	// update data cache
2599	dcache_fsm_next = DCACHE_WRITE_UPDT;
2600	} else {
2601	// write accepted
2602	dcache_fsm_next = DCACHE_IDLE;
2603	}
2604	}
2605
2606	_drsp.valid = valid;
2607	_drsp.rdata = 0;
2608	}
2609
2610	r_dcache_addr_save [num_cache] = (addr_40) _dreq.addr;
2611	// r_dcache_type_save [num_cache] = _dreq.type;
2612	r_dcache_wdata_save [num_cache] = _dreq.wdata;
2613	r_dcache_be_save [num_cache] = _dreq.be;
2614	r_dcache_rdata_save [num_cache] = dcache_rdata;
2615	// r_dcache_cached_save [num_cache] = dcache_cached;
2616	// r_dcache_num_cpu_save[num_cache] = dcache_num_cpu;
2617	}
2618	#endif
2619
2620	r_dcache_fsm [num_cache] = dcache_fsm_next; // default
2621
2622	break;
2623	}
2624	//////////////////////
2625	case DCACHE_MISS_VICTIM:
2626	{
2627	// if (not r_dcache_cleanup_req[num_cache].read())
2628	{
2629	size_t way;
2630	size_t set;
2631	vci_addr_t addr = (vci_addr_t) r_dcache_addr_save[num_cache].read();
2632	vci_addr_t victim;
2633	bool victim_val = r_dcache[num_cache]->victim_select(addr, &victim, &way, &set );
2634
2635	r_dcache_cleanup_req [num_cache] = victim_val;
2636	r_dcache_cleanup_line [num_cache] = (addr_40) victim;
2637	r_dcache_miss_way [num_cache] = way;
2638	r_dcache_miss_set [num_cache] = set;
2639
2640	PRINTF(" * <DCACHE [%d]> MISS_VICTIM : Victim %d - %llx (way %d, set %d)\n",num_cache,victim_val, (blob_t)victim, (int)way, (int)set);
2641
2642	r_dcache_fsm [num_cache] = DCACHE_MISS_WAIT;
2643	}
2644
2645	break;
2646	}
2647	//////////////////////
2648	case DCACHE_MISS_WAIT:
2649	{
2650	#if CC_XCACHE_WRAPPER_MULTI_CACHE_HIT_AFTER_MISS
2651	data_t dcache_rdata = 0;
2652	bool dcache_hit = r_dcache[num_cache]->read((vci_addr_t) _dreq.addr, &dcache_rdata);
2653	// bool dcache_cached = dreq_cached [num_cache];
2654	// uint32_t dcache_num_cpu = dreq_num_cpu [num_cache];
2655
2656	m_cpt_dcache_data_read += m_dcache_ways;
2657	m_cpt_dcache_dir_read += m_dcache_ways;
2658
2659	if (_dreq.valid)
2660	switch (_dreq.type)
2661	{
2662	case iss_t::DATA_READ : // accept only hit dcache load
2663	{
2664	m_cpt_data_read++; // new dcache read
2665
2666	if (dcache_hit) // no special test for uncached read, because it's always miss
2667	{
2668	m_cpt_dcache_hit_after_miss_read [num_cache] ++;
2669
2670	// address is in the cache : return the word
2671	_drsp.valid = true;
2672	_drsp.rdata = dcache_rdata; // return read data (cf dcache_hit)
2673	}
2674	break;
2675	}
2676	// case iss_t::DATA_WRITE : // accept only cached write and miss in dcache (else need update dcache)
2677	// {
2678	// if (dcache_cached and not dcache_hit)
2679	// {
2680	// bool valid;
2681	// addr_40 addr = _dreq.addr;
2682	// set_num_dcache(addr,num_cache);
2683
2684	// // FIXME :
2685	// // * dans le wbuf, ne pas mettre l'adresse au complet (economie de surface)
2686	// // * pour cela, virer le set_num_dcache !
2687	// valid = r_wbuf[num_cache]->write(addr, _dreq.be, _dreq.wdata, dcache_cached, dcache_num_cpu);
2688	// PRINTF(" * <DCACHE [%d]> r_wbuf valid : %d\n",num_cache,valid);
2689
2690	// if (valid)
2691	// {
2692	// m_cpt_dcache_hit_after_miss_write [num_cache] ++;
2693
2694	// m_cpt_data_write++;
2695	// m_cpt_data_write_miss++;
2696	// }
2697
2698	// _drsp.valid = valid;
2699	// _drsp.rdata = 0;
2700	// }
2701	// break;
2702	// }
2703	default :
2704	{
2705	break;
2706	}
2707	}
2708	#endif
2709
2710	// if ( _dreq.valid ) m_cost_data_miss_frz++;
2711	if ( r_tgt_dcache_req[num_cache].read() ) { // external request
2712	r_dcache_fsm [num_cache] = DCACHE_CC_CHECK;
2713	r_dcache_fsm_save [num_cache] = r_dcache_fsm[num_cache];
2714	break;
2715	}
2716
2717	bool val = CACHE_MISS_BUF_RSP_VAL(d,num_cache,0);
2718	if (val)
2719	{
2720	// Miss read response and no invalidation
2721	if (r_vci_rsp_data_error[num_cache])
2722	{
2723	r_dcache_fsm [num_cache] = DCACHE_ERROR;
2724	}
2725	else
2726	{
2727	r_dcache_update_addr[num_cache] = 0;
2728	r_dcache_fsm [num_cache] = DCACHE_MISS_UPDT;
2729	}
2730	}
2731	break;
2732	}
2733	//////////////////////
2734	case DCACHE_MISS_UPDT:
2735	{
2736	size_t word = r_dcache_update_addr[num_cache].read();
2737	vci_addr_t addr = (vci_addr_t) r_dcache_addr_save[num_cache].read();
2738	size_t way = r_dcache_miss_way[num_cache].read();
2739	size_t set = r_dcache_miss_set[num_cache].read();
2740
2741	PRINTF(" * <DCACHE [%d]> MISS_UPDT : Victim way %d, set %d\n",num_cache, (int)way, (int)set);
2742
2743	if (CACHE_MISS_BUF_RSP_VAL(d,num_cache,word))
2744	{
2745	// m_cpt_dcache_dir_write++;
2746	// if ( _dreq.valid ) m_cost_data_miss_frz++;
2747
2748	// if need invalid rsp, don't modify the cache, but pop the buf_rsp
2749	// (power save)
2750	if (not r_dcache_inval_rsp[num_cache])
2751	{
2752	r_dcache[num_cache]->write(way, set, word, CACHE_MISS_BUF_RSP_DATA(d,num_cache,word));
2753	m_cpt_dcache_data_write++;
2754	}
2755
2756	CACHE_MISS_BUF_RSP_POP(d,num_cache);
2757	r_dcache_update_addr[num_cache] = ++word;
2758
2759	// if last word, finish the update
2760	if (word >= m_dcache_words)
2761	{
2762	// in all case (inval_rsp or not), update the victim tag
2763	// because victim is already cleanup
2764	r_dcache[num_cache]->victim_update_tag(addr, way, set);
2765
2766	// Last word : if previous invalid_rsp, can cleanup, else update the TAG
2767	if (r_dcache_inval_rsp[num_cache])
2768	{
2769	r_dcache_inval_rsp[num_cache] = false;
2770	r_dcache_fsm [num_cache] = DCACHE_CC_CLEANUP;
2771	}
2772	else
2773	{
2774	r_dcache_fsm [num_cache] = DCACHE_IDLE;
2775	}
2776	}
2777	}
2778
2779	break;
2780	}
2781	////////////////////
2782	case DCACHE_UNC_WAIT:
2783	{
2784	// if ( _dreq.valid ) m_cost_unc_read_frz++;
2785	if ( r_tgt_dcache_req[num_cache] ) { // external request
2786	r_dcache_fsm [num_cache] = DCACHE_CC_CHECK;
2787	r_dcache_fsm_save[num_cache] = r_dcache_fsm[num_cache];
2788	break;
2789	}
2790
2791	bool ok = CACHE_MISS_BUF_RSP_VAL(d,num_cache,0);
2792
2793	if (ok) {
2794	if (r_vci_rsp_data_error[num_cache]) {
2795	r_dcache_fsm[num_cache] = DCACHE_ERROR;
2796	} else {
2797	data_t rdata = CACHE_MISS_BUF_RSP_DATA(d,num_cache,0);
2798	CACHE_MISS_BUF_RSP_POP(d,num_cache);
2799
2800	if(_dreq.type == iss_t::DATA_LL){
2801	PRINTF(" * <DCACHE [%d]> ll_valid = true\n",num_cache);
2802
2803	r_dcache_ll_valid [num_cache][r_dcache_num_cpu_save[num_cache]] = true;
2804	r_dcache_ll_data [num_cache][r_dcache_num_cpu_save[num_cache]] = rdata;
2805	r_dcache_ll_addr [num_cache][r_dcache_num_cpu_save[num_cache]] = (vci_addr_t) _dreq.addr;
2806	}
2807	r_dcache_fsm [num_cache] = DCACHE_IDLE;
2808
2809	_drsp.valid = true;
2810	_drsp.rdata = rdata;
2811	}
2812	}
2813	break;
2814	}
2815	////////////////////
2816	case DCACHE_SC_WAIT:
2817	{
2818	// if ( _dreq.valid ) m_cost_unc_read_frz++;
2819	if ( r_tgt_dcache_req[num_cache] ) { // external request
2820	r_dcache_fsm [num_cache] = DCACHE_CC_CHECK;
2821	r_dcache_fsm_save [num_cache] = r_dcache_fsm [num_cache];
2822	break;
2823	}
2824
2825	bool ok = CACHE_MISS_BUF_RSP_VAL(d,num_cache,0);
2826
2827	if (ok) {
2828	if (r_vci_rsp_data_error[num_cache]) {
2829	r_dcache_fsm [num_cache] = DCACHE_ERROR;
2830	} else {
2831	r_dcache_fsm [num_cache] = DCACHE_IDLE;
2832
2833	_drsp.valid = true;
2834	_drsp.rdata = CACHE_MISS_BUF_RSP_DATA(d,num_cache,0);
2835	CACHE_MISS_BUF_RSP_POP(d,num_cache);
2836	r_dcache_ll_valid [num_cache][r_dcache_num_cpu_save[num_cache]] = false;
2837	}
2838	}
2839	break;
2840	}
2841
2842	//////////////////
2843	case DCACHE_ERROR:
2844	{
2845	r_dcache_fsm [num_cache] = DCACHE_IDLE;
2846
2847	r_vci_rsp_data_error[num_cache] = false;
2848	_drsp.error = true;
2849	_drsp.valid = true;
2850	break;
2851	}
2852	/////////////////
2853	case DCACHE_INVAL:
2854	{
2855	if ( r_tgt_dcache_req[num_cache].read() ) { // external request
2856	r_dcache_fsm [num_cache] = DCACHE_CC_CHECK;
2857	r_dcache_fsm_save [num_cache] = r_dcache_fsm [num_cache];
2858	break;
2859	}
2860	if( not r_dcache_cleanup_req [num_cache].read() ){
2861	m_cpt_dcache_dir_read += m_dcache_ways;
2862	vci_addr_t ad = r_dcache_addr_save [num_cache].read();
2863	r_dcache_cleanup_req [num_cache] = r_dcache[num_cache]->inval(ad);
2864	r_dcache_cleanup_line [num_cache] = r_dcache_addr_save [num_cache].read() >> m_dcache_words_shift;
2865
2866	r_dcache_fsm [num_cache] = DCACHE_IDLE;
2867	}
2868	break;
2869	}
2870	case DCACHE_SYNC :
2871	{
2872	if ( r_tgt_dcache_req[num_cache] ) { // external request
2873	r_dcache_fsm [num_cache] = DCACHE_CC_CHECK;
2874	r_dcache_fsm_save[num_cache] = r_dcache_fsm[num_cache];
2875	break;
2876	}
2877
2878	bool empty=true;
2879	for (uint32_t i=0; i<m_nb_dcache; ++i)
2880	empty &= r_wbuf[i]->empty();
2881
2882	if (empty)
2883	{
2884	_drsp.valid = true; // end, can accept the sync request
2885	r_dcache_fsm [num_cache] = DCACHE_IDLE;
2886	r_dcache_sync[num_cache] = false;
2887	}
2888	break;
2889	}
2890	/////////////////////
2891	case DCACHE_CC_CHECK: // read directory in case of invalidate or update request
2892	{
2893	addr_40 ad = r_tgt_daddr;
2894	data_t dcache_rdata = 0;
2895
2896	PRINTF(" * <DCACHE [%d]> CC_CHECK\n",num_cache);
2897
2898	//
2899	if((r_dcache_fsm_save[num_cache] == DCACHE_MISS_WAIT) and
2900	((r_dcache_addr_save[num_cache].read() & ~((m_dcache_words<<2)-1)) == (ad & ~((m_dcache_words<<2)-1)))) {
2901	PRINTF(" * <DCACHE [%d]> have request, need inval rsp\n",num_cache);
2902
2903	r_dcache_inval_rsp[num_cache] = true;
2904	r_tgt_dcache_req [num_cache] = false;
2905	if(r_tgt_update){ // Also send a cleanup and answer
2906	PRINTF(" * <DCACHE [%d]> send a cleanup and answer\n",num_cache);
2907	r_tgt_dcache_rsp[num_cache] = true;
2908	} else { // Also send a cleanup but don't answer
2909	PRINTF(" * <DCACHE [%d]> send a cleanup and but don't answer\n",num_cache);
2910	r_tgt_dcache_rsp[num_cache] = false;
2911	}
2912	r_dcache_fsm[num_cache] = r_dcache_fsm_save[num_cache];
2913	} else {
2914	bool dcache_hit = r_dcache[num_cache]->read(ad, &dcache_rdata);
2915
2916	PRINTF(" * <DCACHE [%d]> have no request, hit cache : %d, update : %d\n",num_cache,dcache_hit,(uint32_t)r_tgt_update);
2917
2918	m_cpt_dcache_data_read += m_dcache_ways;
2919	m_cpt_dcache_dir_read += m_dcache_ways;
2920
2921	#ifdef COHERENCE_DEBUG
2922	std::cout << "PROC " << m_srcid_rw << " DCACHE_CC_CHECK, hit ? : " << dcache_hit << std::endl;
2923	#endif
2924	if ( dcache_hit and r_tgt_update )
2925	{
2926	#if CC_XCACHE_WRAPPER_CC_UPDATE_MULTI_CYCLE
2927	uint32_t word = r_cache_word;
2928	data_t mask = vci_param::be2mask(r_tgt_be[word]);
2929	data_t rdata = 0;
2930
2931	r_dcache[num_cache]->read(ad+word*4,&rdata);
2932
2933	r_tgt_buf[word] = (mask & r_tgt_buf[word]) \| (~mask & rdata);
2934
2935	word ++;
2936	#if CC_XCACHE_WRAPPER_CC_UPDATE_MULTI_CYCLE_OPT
2937	for (; word<m_dcache_words; ++word)
2938	if (r_tgt_be[word] != 0)
2939	break;
2940	#endif
2941
2942	if (word==m_dcache_words)
2943	{
2944	r_dcache_fsm[num_cache] = DCACHE_CC_UPDT;
2945	#if CC_XCACHE_WRAPPER_CC_UPDATE_MULTI_CYCLE_OPT
2946	for (word=0; word<m_dcache_words; ++word)
2947	if (r_tgt_be[word] != 0)
2948	break;
2949	#else
2950	word = 0;
2951	#endif
2952	}
2953	r_cache_word = word;
2954	#else //CC_XCACHE_WRAPPER_CC_UPDATE_MULTI_CYCLE
2955	// complete the line buffer in case of update
2956	for(size_t i=0; i<m_dcache_words; i++){
2957	data_t rdata = 0;
2958	r_dcache[num_cache]->read(ad + i*4,&rdata);
2959	data_t mask = vci_param::be2mask(r_tgt_be[i]);
2960	r_tgt_buf[i] = (mask & r_tgt_buf[i]) \| (~mask & rdata);
2961	}
2962	r_dcache_fsm[num_cache] = DCACHE_CC_UPDT;
2963	#endif //CC_XCACHE_WRAPPER_CC_UPDATE_MULTI_CYCLE
2964	} else if ( dcache_hit and not r_tgt_update ) {
2965	r_dcache_fsm[num_cache] = DCACHE_CC_INVAL;
2966	} else {
2967	if(r_tgt_update){
2968	r_tgt_dcache_rsp[num_cache] = true;
2969	} else {
2970	r_tgt_dcache_rsp[num_cache] = false;
2971	}
2972	r_tgt_dcache_req[num_cache] = false;
2973	r_dcache_fsm [num_cache] = r_dcache_fsm_save[num_cache];
2974	}
2975	}
2976	break;
2977	}
2978	///////////////////
2979	case DCACHE_CC_UPDT: // update directory and data cache
2980	{
2981	addr_40 ad = r_tgt_daddr;
2982
2983	m_cpt_dcache_dir_write++;
2984	m_cpt_dcache_data_write++;
2985
2986	# ifdef COHERENCE_DEBUG
2987	std::cout << "PROC " << m_srcid_rw << " DCACHE_CC_UPDT, update : " << std::endl;
2988	# endif
2989
2990	#if CC_XCACHE_WRAPPER_CC_UPDATE_MULTI_CYCLE
2991	uint32_t word = r_cache_word;
2992
2993	if(r_tgt_be[word])
2994	r_dcache[num_cache]->write(ad+word*4, r_tgt_buf[word]);
2995	# ifdef COHERENCE_DEBUG
2996	std::cout << " address " << std::hex << ad+word*4 << " data " << std::dec << r_tgt_buf[word] << std::endl;
2997	data_t rdata = 0xAAAAAAAA;
2998	r_dcache[num_cache]->read(ad+word*4,&rdata);
2999	std::cout << "data written " << rdata << std::endl;
3000	# endif
3001
3002	word ++;
3003	#if CC_XCACHE_WRAPPER_CC_UPDATE_MULTI_CYCLE_OPT
3004	for (; word<m_dcache_words; ++word)
3005	if (r_tgt_be[word] != 0)
3006	break;
3007	#endif
3008
3009	if (word==m_dcache_words)
3010	{
3011	r_tgt_dcache_req[num_cache] = false;
3012	r_tgt_dcache_rsp[num_cache] = true;
3013	r_dcache_fsm [num_cache] = r_dcache_fsm_save[num_cache];
3014	word = 0;
3015	}
3016	r_cache_word = word;
3017	#else //CC_XCACHE_WRAPPER_CC_UPDATE_MULTI_CYCLE
3018	data_t* buf = r_tgt_buf;
3019	for(size_t i=0; i<m_dcache_words; i++){
3020	if(r_tgt_be[i]) {
3021	r_dcache[num_cache]->write( ad + i*4, buf[i]);
3022	# ifdef COHERENCE_DEBUG
3023	std::cout << " address " << std::hex << ad+i*4 << " data " << std::dec << buf[i] << std::endl;
3024	data_t rdata = 0xAAAAAAAA;
3025	r_dcache[num_cache]->read(ad + i*4,&rdata);
3026	std::cout << "data written " << rdata << std::endl;
3027	# endif //CC_XCACHE_WRAPPER_CC_UPDATE_MULTI_CYCLE
3028	}
3029	}
3030	r_tgt_dcache_req[num_cache] = false;
3031	r_tgt_dcache_rsp[num_cache] = true;
3032	r_dcache_fsm [num_cache] = r_dcache_fsm_save[num_cache];
3033	#endif
3034	break;
3035	}
3036	/////////////////////
3037	case DCACHE_CC_INVAL: // invalidate a cache line
3038	{
3039	addr_40 ad = r_tgt_daddr;
3040	r_tgt_dcache_rsp[num_cache] = true;
3041	r_dcache [num_cache]->inval(ad);
3042	r_tgt_dcache_req[num_cache] = false;
3043	r_dcache_fsm [num_cache] = r_dcache_fsm_save[num_cache];
3044	break;
3045	}
3046	///////////////////
3047	case DCACHE_CC_CLEANUP:
3048	{
3049	// cleanup
3050	if(not r_dcache_cleanup_req[num_cache]){
3051	r_dcache_cleanup_req [num_cache] = true;
3052	r_dcache_cleanup_line [num_cache] = r_dcache_addr_save[num_cache].read() >> m_dcache_words_shift;
3053	r_dcache_fsm [num_cache] = DCACHE_IDLE;
3054
3055	m_cpt_dcache_dir_read += m_dcache_ways;
3056	r_dcache[num_cache]->inval((addr_40)r_dcache_addr_save[num_cache]);
3057	}
3058	break;
3059	}
3060
3061	} // end switch r_dcache_fsm
3062
3063	////////// write buffer state update /////////////
3064	// The update() method must be called at each cycle to update the internal state.
3065	// All pending write requests must be locked in case of SYNC
3066
3067	// bool have_sync=(r_dcache_fsm[num_cache] == DCACHE_SYNC);
3068	#if (CC_XCACHE_WRAPPER_WBUF_UPDATE_SCHEME==1)
3069	r_wbuf[num_cache]->update_multi_scan (have_sync);
3070	#elif (CC_XCACHE_WRAPPER_WBUF_UPDATE_SCHEME==2)
3071	r_wbuf[num_cache]->update_round_robin_scan(have_sync);
3072	#elif (CC_XCACHE_WRAPPER_WBUF_UPDATE_SCHEME==3)
3073	r_wbuf[num_cache]->update_one_scan (have_sync);
3074	#else
3075	r_wbuf[num_cache]->update (have_sync);
3076	#endif
3077
3078	drsp [num_cache] = _drsp;
3079	if (_dreq.valid and _drsp.valid)
3080	{
3081	PRINTF(" * <CPU2CACHE> Transaction between cpu %d and Dcache %d (unlock)\n",r_dcache_lock [num_cache].read(),num_cache);
3082
3083	r_dcache_lock [num_cache] = m_nb_cpu;
3084	m_cpt_dcache_access [num_cache] ++;
3085	}
3086
3087	}// end for num_cache
3088
3089	/////////// execute one iss cycle /////////////////////////////////////////////
3090
3091	for (uint32_t num_cpu=0; num_cpu<m_nb_cpu; ++num_cpu)
3092	{
3093	// Test if the resquest is accepted
3094	typename iss_t::InstructionResponse _irsp = ISS_IRSP_INITIALIZER;
3095	typename iss_t::DataResponse _drsp = ISS_DRSP_INITIALIZER;
3096
3097	if (ireq_num_cache[num_cpu]<m_nb_icache)
3098	_irsp = irsp[ireq_num_cache[num_cpu]];
3099	if (dreq_num_cache[num_cpu]<m_nb_dcache)
3100	_drsp = drsp[dreq_num_cache[num_cpu]];
3101
3102	#if CC_XCACHE_WRAPPER_STOP_SIMULATION or CC_XCACHE_WRAPPER_DEBUG_FILE_TRANSACTION
3103	typename iss_t::InstructionRequest _ireq = ISS_IREQ_INITIALIZER;
3104	typename iss_t::DataRequest _dreq = ISS_DREQ_INITIALIZER;
3105
3106	if (ireq_num_cache[num_cpu]<m_nb_icache)
3107	_ireq = ireq[ireq_num_cache[num_cpu]];
3108	if (dreq_num_cache[num_cpu]<m_nb_dcache)
3109	_dreq = dreq[dreq_num_cache[num_cpu]];
3110	#endif
3111
3112	#if CC_XCACHE_WRAPPER_DEBUG
3113	if (m_cpt_total_cycles>=CC_XCACHE_WRAPPER_DEBUG_CYCLE_MIN)
3114	{
3115
3116	std::cout << " * CPU : " << num_cpu << std::endl
3117	<< " * Instruction Cache : " << ireq_num_cache[num_cpu] << ", valid : " << (ireq_num_cache[num_cpu]<m_nb_icache) << std::endl
3118	<< " * Instruction Request : " << _ireq << std::endl
3119	<< " * Instruction Response : " << _irsp << std::endl
3120	<< " * Data Cache : " << dreq_num_cache[num_cpu] << ", valid : " << (dreq_num_cache[num_cpu]<m_nb_dcache) << std::endl
3121	<< " * Data Request : " << _dreq << std::endl
3122	<< " * Data Response : " << _drsp << std::endl;
3123	}
3124	#endif
3125
3126	if ((_ireq.valid and not _irsp.valid) or
3127	(_dreq.valid and not _drsp.valid))
3128	{
3129	m_cpt_frz_cycles [num_cpu]++;
3130	#if CC_XCACHE_WRAPPER_STOP_SIMULATION
3131	m_stop_simulation_nb_frz_cycles [num_cpu]++;
3132
3133	if (m_stop_simulation and (m_stop_simulation_nb_frz_cycles [num_cpu]>= m_stop_simulation_nb_frz_cycles_max))
3134	{
3135	std::cout << std::dec << "CC_XCACHE_WRAPPER \"" << name() << "\" (" << num_cpu << ") : cycle " << m_cpt_total_cycles << ", the cpu is frozen since " << m_stop_simulation_nb_frz_cycles [num_cpu]<< " cycles." << std::endl;
3136	ASSERT(false,"CPU : anormal activity"); // exit
3137	}
3138	}
3139	else
3140	{
3141	m_stop_simulation_nb_frz_cycles [num_cpu] = 0; // reinit counter
3142	#endif //CC_XCACHE_WRAPPER_STOP_SIMULATION
3143	}
3144
3145	#if CC_XCACHE_WRAPPER_DEBUG_FILE_TRANSACTION
3146	if (_ireq.valid and _irsp.valid)
3147	{
3148	log_transaction_file_icache [num_cpu]
3149	<< "[" << m_cpt_total_cycles << "]"
3150	<< std::hex
3151	<< " @ " << std::setw(8) << (uint32_t)_ireq.addr
3152	<< " (" << std::setw(8) << (uint32_t)set_num_icache_only(_ireq.addr,ireq_num_cache[num_cpu])
3153	<< " - L " << std::setw(8) <<((uint32_t)set_num_icache_only(_ireq.addr,ireq_num_cache[num_cpu])&m_icache_yzmask) << ")"
3154	<< " I " << std::setw(8) << (uint32_t)_irsp.instruction
3155	<< " error " << (uint32_t)_irsp.error
3156	<< std::dec
3157	<< std::endl;
3158	}
3159
3160	if (_dreq.valid and _drsp.valid)
3161	{
3162	log_transaction_file_dcache [num_cpu]
3163	<< "[" << m_cpt_total_cycles << "]"
3164	<< std::hex
3165	<< " @ " << std::setw(8) << (uint32_t)_dreq.addr
3166	<< " (" << std::setw(8) << (uint32_t)set_num_dcache_only(_dreq.addr,dreq_num_cache[num_cpu])
3167	<< " - L " << std::setw(8) <<((uint32_t)set_num_dcache_only(_dreq.addr,dreq_num_cache[num_cpu])&m_dcache_yzmask) << ")"
3168	<< " be " << std::setw(1) << (uint32_t)_dreq.be
3169	<< " W " << std::setw(8) << (uint32_t)_dreq.wdata
3170	<< " R " << std::setw(8) << (uint32_t)_drsp.rdata
3171	<< " error " << (uint32_t)_drsp.error
3172	<< std::dec
3173	<< " " << type_str(_dreq.type);
3174
3175	if ((_dreq.type == iss_t::XTN_READ) or
3176	(_dreq.type == iss_t::XTN_WRITE))
3177	//log_transaction_file_dcache [num_cpu] << xtn_str(_dreq.addr>>2);
3178	switch (_dreq.addr>>2)
3179	{
3180	case iss_t::XTN_DCACHE_INVAL : log_transaction_file_dcache [num_cpu]<< " INVAL"; break;
3181	case iss_t::XTN_SYNC : log_transaction_file_dcache [num_cpu]<< " SYNC"; break;
3182	default : log_transaction_file_dcache [num_cpu]<< " invalid"; break;
3183	}
3184
3185	log_transaction_file_dcache [num_cpu]<< std::endl;
3186	}
3187	#endif //CC_XCACHE_WRAPPER_DEBUG_FILE_TRANSACTION
3188
3189	{
3190	uint32_t it = 0;
3191	for (size_t i=0; i<(size_t)iss_t::n_irq; i++)
3192	if(p_irq[num_cpu][i].read()) it \|= (1<<i);
3193
3194	m_iss[num_cpu]->executeNCycles(1, _irsp, _drsp, it);
3195	}
3196	}//end num_cpu
3197
3198	////////////////////////////////////////////////////////////////////////////
3199	// This CLEANUP FSM controls the transmission of the cleanup transactions
3200	// on the coherence network. It controls the following ressources:
3201	// - r_cleanup_fsm
3202	// - r_dcache_cleanup_req (reset)
3203	// - r_icache_cleanup_req (reset)
3204	//
3205	// This FSM handles cleanup requests from both the DCACHE FSM & ICACHE FSM
3206	// - Instruction Cleanup : r_icache_cleanup_req
3207	// - Data Cleanup : r_dcache_cleanup_req
3208	// In case of simultaneous requests, the data request have highest priority.
3209	// There is only one cleanup transaction at a given time (sequencial behavior)
3210	// because the same FSM controls both command & response.
3211	// The the r_icache_cleanup_req & r_dcache_cleanup_req are reset only
3212	// when the response packet is received.
3213	// Error handling :
3214	// As the coherence trafic is controled by hardware, errors are not reported
3215	// to software : In case of errors, the simulation stops.
3216	////////////////////////////////////////////////////////////////////////////
3217
3218	switch (r_cleanup_fsm) {
3219
3220	case CLEANUP_IDLE:
3221	{
3222	uint32_t num_cache = 0;
3223	bool cleanup_dcache_req = false;
3224	bool cleanup_icache_req = false;
3225
3226	// dcache is prior
3227	for (uint32_t i=0; i<m_nb_dcache; ++i)
3228	{
3229	PRINTF(" * <CLEANUP> dcache_cleanup_req : [%d] %d\n",i,(int)r_dcache_cleanup_req[i]);
3230	cleanup_dcache_req \|= r_dcache_cleanup_req[i];
3231	if (cleanup_dcache_req)
3232	{
3233	PRINTF(" * <CLEANUP> ... find\n");
3234	num_cache=i;
3235	break;
3236	}
3237	}
3238
3239	if (not cleanup_dcache_req)
3240	for (uint32_t i=0; i<m_nb_icache; ++i)
3241	{
3242	PRINTF(" * <CLEANUP> icache_cleanup_req : [%d] %d\n",i,(int)r_icache_cleanup_req[i]);
3243
3244	cleanup_icache_req \|= r_icache_cleanup_req[i];
3245	if (cleanup_icache_req)
3246	{
3247	PRINTF(" * <CLEANUP> ... find\n");
3248	num_cache=i;
3249	break;
3250	}
3251	}
3252
3253	PRINTF(" * <CLEANUP> cleanup_icache_req : %d\n",cleanup_icache_req);
3254	PRINTF(" * <CLEANUP> cleanup_dcache_req : %d\n",cleanup_dcache_req);
3255	PRINTF(" * <CLEANUP> num_cache : %d\n",num_cache);
3256
3257	if (cleanup_icache_req or cleanup_dcache_req)
3258	{
3259	r_cleanup_fsm = CLEANUP_REQ;
3260	r_cleanup_icache = cleanup_icache_req;
3261	r_cleanup_num_cache = num_cache;
3262
3263	PRINTF(" * <CLEANUP> address : %llx\n",((cleanup_icache_req)?((blob_t)set_num_icache_only(r_icache_cleanup_line[num_cache].read()<<m_icache_words_shift,num_cache)):((blob_t)set_num_dcache_only(r_dcache_cleanup_line[num_cache].read()<<m_dcache_words_shift,num_cache))));
3264
3265	#if CC_XCACHE_WRAPPER_DEBUG_FILE_TRANSACTION
3266	log_transaction_file_cleanup
3267	<< "[" << m_cpt_total_cycles << "] "
3268	<< ((cleanup_icache_req)?("icache "):("dcache "))
3269	<< num_cache << " : "
3270	<< std::hex
3271	<< " L " << std::setw(10) << ((cleanup_icache_req)?((blob_t)set_num_icache_only(r_icache_cleanup_line[num_cache].read()<<m_icache_words_shift,num_cache)):((blob_t)set_num_dcache_only(r_dcache_cleanup_line[num_cache].read()<<m_dcache_words_shift,num_cache)))
3272	// << " (" << std::setw(10) << addr << ")"
3273	<< std::dec
3274	<< std::endl;
3275	#endif //CC_XCACHE_WRAPPER_DEBUG_FILE_TRANSACTION
3276
3277	}
3278	break;
3279	}
3280	case CLEANUP_REQ:
3281	{
3282	if ( p_vci_ini_c.cmdack )
3283	{
3284	if (r_cleanup_icache)
3285	r_cleanup_fsm = CLEANUP_RSP_ICACHE;
3286	else
3287	r_cleanup_fsm = CLEANUP_RSP_DCACHE;
3288	}
3289	break;
3290	}
3291	case CLEANUP_RSP_DCACHE:
3292	{
3293	if ( p_vci_ini_c.rspval )
3294	{
3295	PRINTF(" * <CLEANUP> rerror : %d (%d)\n",(uint32_t)p_vci_ini_c.rerror.read(),0x2 & ( (1 << vci_param::E) - 1));
3296	PRINTF(" * <CLEANUP> rpktid : %d, r_cleanup_num_cache : %d\n",(uint32_t)p_vci_ini_c.rpktid.read(), (uint32_t)r_cleanup_num_cache);
3297
3298	ASSERT(p_vci_ini_c.reop and (p_vci_ini_c.rtrdid.read() == TYPE_DATA_CLEANUP),
3299	"illegal response packet received for a cleanup transaction");
3300	ASSERT(p_vci_ini_c.rerror.read() == vci_param::ERR_NORMAL,
3301	"error signaled in a cleanup response" );
3302	ASSERT(p_vci_ini_c.rpktid.read() == (sc_dt::sc_uint<vci_param::P>)r_cleanup_num_cache,
3303	"invalid pktid in a cleanup response");
3304
3305	r_cleanup_fsm = CLEANUP_IDLE;
3306	r_dcache_cleanup_req[r_cleanup_num_cache] = false;
3307	// m_cpt_cc_cleanup_data++;
3308	}
3309	break;
3310	}
3311	case CLEANUP_RSP_ICACHE:
3312	{
3313	if ( p_vci_ini_c.rspval )
3314	{
3315	PRINTF(" * <CLEANUP> rerror : %d (%d)\n",(uint32_t)p_vci_ini_c.rerror.read(),0x2 & ( (1 << vci_param::E) - 1));
3316
3317	ASSERT(p_vci_ini_c.reop and (p_vci_ini_c.rtrdid.read() == TYPE_INS_CLEANUP),
3318	"illegal response packet received for a cleanup transaction");
3319	ASSERT(p_vci_ini_c.rerror.read() == vci_param::ERR_NORMAL,
3320	"error signaled in a cleanup response" );
3321
3322	r_cleanup_fsm = CLEANUP_IDLE;
3323	r_icache_cleanup_req[r_cleanup_num_cache] = false;
3324	// m_cpt_cc_cleanup_ins++;
3325	}
3326	break;
3327	}
3328	} // end switch r_cleanup_fsm
3329
3330	////////////////////////////////////////////////////////////////////////////
3331	// The VCI_CMD FSM controls the following ressources:
3332	// - r_vci_cmd_fsm
3333	// - r_vci_cmd_min
3334	// - r_vci_cmd_max
3335	// - r_vci_cmd_cpt
3336	// - wbuf (reset)
3337	// - r_icache_miss_req (reset)
3338	// - r_icache_unc_req (reset)
3339	// - r_dcache_miss_req (reset)
3340	// - r_dcache_sc_req (reset)
3341	//
3342	// This FSM handles requests from both the DCACHE FSM & the ICACHE FSM.
3343	// There is 7 request types, with the following priorities :
3344	// 1 - Data Read Miss : r_dcache_miss_req and miss in the write buffer
3345	// 2 - Data Read Uncachable : r_dcache_unc_req and miss in the write buffer
3346	// 3 - Instruction Miss : r_icache_miss_req and miss in the write buffer
3347	// 4 - Instruction Uncachable : r_icache_unc_req and miss in the write buffer
3348	// 5 - Data Write : r_wbuf.rok()
3349	// 6 - Data Store Conditionnal: r_dcache_sc_req
3350	// There is at most one (CMD/RSP) VCI transaction, as both CMD_FSM
3351	// and RSP_FSM exit simultaneously the IDLE state.
3352	//
3353	// VCI formats:
3354	// According to the VCI advanced specification, all read requests packets
3355	// (read Uncached, Miss data, Miss instruction) are one word packets.
3356	// For write burst packets, all words must be in the same cache line,
3357	// and addresses must be contiguous (the BE field is 0 in case of "holes").
3358	//////////////////////////////////////////////////////////////////////////////
3359
3360	r_vci_cmd_dcache_prior = not r_vci_cmd_dcache_prior;
3361
3362	switch (r_vci_cmd_fsm) {
3363
3364	case CMD_IDLE:
3365	{
3366	// if (r_vci_rsp_fsm != RSP_IDLE) break;
3367
3368	size_t wbuf_min = 0;
3369	size_t wbuf_max = 0;
3370	#if CC_XCACHE_WRAPPER_DEBUG_FILE_TRANSACTION
3371	addr_40 wbuf_addr = 0;
3372	size_t wbuf_index = 0;
3373	#endif
3374	r_vci_cmd_cpt = 0;
3375
3376	// Requests :
3377
3378	// multi_write_buffer access is conditionnal with dcache_miss_req and icache_miss_req
3379
3380	bool dcache_miss_req = false;
3381	bool icache_miss_req = false;
3382	uint32_t dcache_miss_num_cache = 0;
3383	uint32_t icache_miss_num_cache = 0;
3384	addr_40 addr = 0;
3385
3386	{
3387	for (; dcache_miss_num_cache<m_nb_dcache; ++dcache_miss_num_cache)
3388	{
3389	dcache_miss_req = r_dcache_miss_req[dcache_miss_num_cache];
3390	if (dcache_miss_req)
3391	break;
3392	}
3393	for (; icache_miss_num_cache<m_nb_icache; ++icache_miss_num_cache)
3394	{
3395	icache_miss_req = r_icache_miss_req[icache_miss_num_cache];
3396	if (icache_miss_req)
3397	break;
3398	}
3399
3400	PRINTF(" * <CMD> icache_miss_req (before) : %d\n",icache_miss_req);
3401	PRINTF(" * <CMD> dcache_miss_req (before) : %d\n",dcache_miss_req);
3402
3403	#if (CC_XCACHE_WRAPPER_VCI_CMD_PRIORITY==1)
3404	// 1) one access with static priority (dcache prior)
3405	icache_miss_req &= not dcache_miss_req;
3406	#elif (CC_XCACHE_WRAPPER_VCI_CMD_PRIORITY==2)
3407	// 2) one access with static priority (icache prior)
3408	dcache_miss_req &= not icache_miss_req;
3409	#elif (CC_XCACHE_WRAPPER_VCI_CMD_PRIORITY==3)
3410	// 3) one access with round robin priority
3411	dcache_miss_req = ((dcache_miss_req and not icache_miss_req) or // only dcache
3412	(dcache_miss_req and r_vci_cmd_dcache_prior)); // dcache prior
3413	icache_miss_req &= not dcache_miss_req;
3414	// #elif (CC_XCACHE_WRAPPER_VCI_CMD_PRIORITY==4)
3415	// // 4) two access authorized
3416	// dcache_miss_req = r_dcache_miss_req[cache_miss_num_cache];
3417	// icache_miss_req = r_icache_miss_req[cache_miss_num_cache];
3418	#else
3419	#error "Invalid value to CC_XCACHE_WRAPPER_VCI_CMD_PRIORITY"
3420	#endif
3421
3422	PRINTF(" * <CMD> icache_miss_req (after ) : %d\n",icache_miss_req);
3423	PRINTF(" * <CMD> dcache_miss_req (after ) : %d\n",dcache_miss_req);
3424
3425	PRINTF(" * <CMD> icache_miss_num_cache : %d\n",icache_miss_num_cache);
3426	PRINTF(" * <CMD> dcache_miss_num_cache : %d\n",dcache_miss_num_cache);
3427
3428	if (icache_miss_req or dcache_miss_req)
3429	{
3430	addr = (icache_miss_req)?r_icache_addr_save[icache_miss_num_cache].read():r_dcache_addr_save[dcache_miss_num_cache].read();
3431
3432	PRINTF(" * <CMD> addr : %llx\n",(blob_t)addr);
3433
3434	if (icache_miss_req)
3435	{
3436	// FIXME :
3437	// si wbuf contient des addresses partionné, set_num_icache puis get_num_dcache
3438	// dcache_miss_num_cache = icache_miss_num_cache;
3439	set_num_icache(addr,icache_miss_num_cache);
3440	// get_num_dcache(addr,dcache_miss_num_cache);
3441	}
3442	else
3443	set_num_dcache(addr,dcache_miss_num_cache);
3444
3445	PRINTF(" * <CMD> addr : %llx\n",(blob_t)addr);
3446	}
3447	}
3448
3449	uint32_t dcache_unc_num_cache = 0;
3450	for (; dcache_unc_num_cache<m_nb_dcache; ++dcache_unc_num_cache)
3451	if (r_dcache_unc_req[dcache_unc_num_cache])
3452	break;
3453	uint32_t icache_unc_num_cache = 0;
3454	for (; icache_unc_num_cache<m_nb_icache; ++icache_unc_num_cache)
3455	if (r_icache_unc_req[icache_unc_num_cache])
3456	break;
3457	uint32_t dcache_sc_num_cache = 0;
3458	for (; dcache_sc_num_cache<m_nb_dcache; ++dcache_sc_num_cache)
3459	if (r_dcache_sc_req[dcache_sc_num_cache])
3460	break;
3461	uint32_t dcache_write_num_cache = 0;
3462	for (; dcache_write_num_cache<m_nb_dcache; ++dcache_write_num_cache)
3463	{
3464	#if CC_XCACHE_WRAPPER_DEBUG_FILE_TRANSACTION
3465	if ( r_wbuf[dcache_write_num_cache]->debug_rok(&wbuf_min, &wbuf_max, &wbuf_addr, &wbuf_index))
3466	break;
3467	#else
3468	if ( r_wbuf[dcache_write_num_cache]->rok(&wbuf_min, &wbuf_max))
3469	break;
3470	#endif
3471	}
3472
3473	// 1 - Data Read
3474	if (dcache_miss_req and r_wbuf[dcache_miss_num_cache]->miss(addr))
3475	{
3476	r_vci_cmd_fsm = CMD_DATA_MISS;
3477	r_vci_cmd_num_cache = dcache_miss_num_cache;
3478	r_dcache_miss_req[dcache_miss_num_cache] = false;
3479	m_cpt_dmiss_transaction++;
3480
3481
3482	#if CC_XCACHE_WRAPPER_DEBUG_FILE_TRANSACTION
3483	{
3484	log_transaction_file_cmd
3485	<< "[" << m_cpt_total_cycles << "] "
3486	<< "CMD DATA MISS "
3487	<< "(" << dcache_miss_num_cache << ") "
3488	<< std::hex
3489	<< " @ " << std::setw(10) << (blob_t)addr
3490	<< " (L " << std::setw(10) << ((blob_t)addr&(blob_t)m_dcache_yzmask) << ")"
3491	<< std::dec
3492	<< std::endl;
3493	}
3494	#endif //CC_XCACHE_WRAPPER_DEBUG_FILE_TRANSACTION
3495
3496	}
3497
3498	// 2 - Data Read Uncachable
3499	else if (dcache_unc_num_cache < m_nb_dcache) // have r_dcache_unc_req
3500	{
3501	r_vci_cmd_fsm = CMD_DATA_UNC;
3502	r_vci_cmd_num_cache = dcache_unc_num_cache;
3503	r_dcache_unc_req[dcache_unc_num_cache] = false;
3504	// m_cpt_data_unc_transaction++;
3505
3506	#if CC_XCACHE_WRAPPER_DEBUG_FILE_TRANSACTION
3507	{
3508	addr_40 addr = (addr_40) r_dcache_addr_save[dcache_unc_num_cache].read() & ~0x3;
3509	set_num_dcache(addr,dcache_unc_num_cache);
3510
3511	log_transaction_file_cmd
3512	<< "[" << m_cpt_total_cycles << "] "
3513	<< "CMD DATA UNC "
3514	<< "(" << dcache_unc_num_cache << ") "
3515	<< std::hex
3516	<< " @ " << std::setw(10) << (blob_t)addr
3517	<< " (L " << std::setw(10) << ((blob_t)addr&(blob_t)m_dcache_yzmask) << ")"
3518	<< std::dec
3519	<< std::endl;
3520	}
3521	#endif //CC_XCACHE_WRAPPER_DEBUG_FILE_TRANSACTION
3522	}
3523
3524	// 3 - Instruction Miss
3525	else if (icache_miss_req and r_wbuf[icache_miss_num_cache]->miss(addr))
3526	//else if (icache_miss_req and r_wbuf[dcache_miss_num_cache]->miss(addr))
3527	{
3528	r_vci_cmd_fsm = CMD_INS_MISS;
3529	r_vci_cmd_num_cache = icache_miss_num_cache;
3530	r_icache_miss_req[icache_miss_num_cache] = false;
3531	m_cpt_imiss_transaction++;
3532
3533	#if CC_XCACHE_WRAPPER_DEBUG_FILE_TRANSACTION
3534	{
3535	log_transaction_file_cmd
3536	<< "[" << m_cpt_total_cycles << "] "
3537	<< "CMD INS MISS "
3538	<< "(" << icache_miss_num_cache << ") "
3539	<< std::hex
3540	<< " @ " << std::setw(10) << (blob_t)addr
3541	<< " (L " << std::setw(10) << ((blob_t)addr&(blob_t)m_icache_yzmask) << ")"
3542	<< std::dec
3543	<< std::endl;
3544	}
3545	#endif //CC_XCACHE_WRAPPER_DEBUG_FILE_TRANSACTION
3546	}
3547
3548	// 4 - Instruction Uncachable
3549	else if (icache_unc_num_cache < m_nb_icache) // have r_icache_unc_req
3550	{
3551	r_vci_cmd_fsm = CMD_INS_UNC;
3552	r_vci_cmd_num_cache = icache_unc_num_cache;
3553	r_icache_unc_req[icache_unc_num_cache] = false;
3554	// m_cpt_ins_unc_transaction++;
3555
3556	#if CC_XCACHE_WRAPPER_DEBUG_FILE_TRANSACTION
3557	{
3558	addr_40 addr = (addr_40) r_icache_addr_save[icache_unc_num_cache].read() & ~0x3;
3559	set_num_dcache(addr,icache_unc_num_cache);
3560
3561	log_transaction_file_cmd
3562	<< "[" << m_cpt_total_cycles << "] "
3563	<< "CMD INS UNC "
3564	<< "(" << icache_unc_num_cache << ") "
3565	<< std::hex
3566	<< " @ " << std::setw(10) << (blob_t)addr
3567	<< " (L " << std::setw(10) << ((blob_t)addr&(blob_t)m_icache_yzmask) << ")"
3568	<< std::dec
3569	<< std::endl;
3570	}
3571	#endif //CC_XCACHE_WRAPPER_DEBUG_FILE_TRANSACTION
3572	}
3573
3574	// 5 - Data Write
3575	else if (dcache_write_num_cache < m_nb_dcache) // have r_wbuf.rok(&wbuf_min, &wbuf_max)
3576	{
3577	r_vci_cmd_num_cache = dcache_write_num_cache;
3578	r_vci_cmd_fsm = CMD_DATA_WRITE;
3579	r_vci_cmd_cpt = wbuf_min;
3580	r_vci_cmd_min = wbuf_min;
3581	r_vci_cmd_max = wbuf_max;
3582	m_cpt_data_write_transaction++;
3583	m_length_write_transaction += (wbuf_max-wbuf_min+1);
3584
3585	#if CC_XCACHE_WRAPPER_DEBUG_FILE_TRANSACTION
3586	{
3587	addr_40 addr = (addr_40) wbuf_addr&~0x3;
3588
3589	log_transaction_file_cmd
3590	<< "[" << m_cpt_total_cycles << "] "
3591	<< "CMD DATA WRITE "
3592	<< "(" << dcache_write_num_cache << ") "
3593	<< std::hex
3594	<< " @ " << std::setw(10) << (blob_t)addr
3595	<< " (L " << std::setw(10) << ((blob_t)addr&(blob_t)m_dcache_yzmask) << ")"
3596	<< " [" << wbuf_min << ":" << wbuf_max << "]"
3597	<< " {" << wbuf_index << "}"
3598	<< std::dec
3599	<< std::endl;
3600	}
3601	#endif //CC_XCACHE_WRAPPER_DEBUG_FILE_TRANSACTION
3602	}
3603
3604	// 6 - Data Store Conditionnal
3605	else if (dcache_sc_num_cache < m_nb_dcache) // have r_dcache_sc_req
3606	{
3607	r_vci_cmd_fsm = CMD_DATA_SC;
3608	r_vci_cmd_num_cache = dcache_sc_num_cache;
3609	r_vci_cmd_max = 1;
3610	m_cpt_unc_transaction++;
3611	r_dcache_sc_req[dcache_sc_num_cache] = false;
3612
3613	#if CC_XCACHE_WRAPPER_DEBUG_FILE_TRANSACTION
3614	{
3615	addr_40 addr = (addr_40) r_dcache_addr_save[dcache_sc_num_cache].read() & ~0x3;
3616	set_num_dcache(addr,dcache_sc_num_cache);
3617
3618	log_transaction_file_cmd
3619	<< "[" << m_cpt_total_cycles << "] "
3620	<< "CMD DATA SC "
3621	<< "(" << dcache_sc_num_cache << ") "
3622	<< std::hex
3623	<< " @ " << std::setw(10) << (blob_t)addr
3624	<< " (L " << std::setw(10) << ((blob_t)addr&(blob_t)m_dcache_yzmask) << ")"
3625	<< std::dec
3626	<< std::endl;
3627	}
3628	#endif //CC_XCACHE_WRAPPER_DEBUG_FILE_TRANSACTION
3629	}
3630
3631	break;
3632	}
3633	case CMD_DATA_WRITE:
3634	if ( p_vci_ini_rw.cmdack.read() ) {
3635	r_vci_cmd_cpt = r_vci_cmd_cpt + 1;
3636	if (r_vci_cmd_cpt == r_vci_cmd_max) {
3637	r_vci_cmd_fsm = CMD_IDLE ;
3638	r_wbuf[r_vci_cmd_num_cache]->sent() ;
3639	}
3640	}
3641	break;
3642
3643	case CMD_DATA_SC:
3644	if ( p_vci_ini_rw.cmdack.read() ) {
3645	r_vci_cmd_cpt = r_vci_cmd_cpt + 1;
3646	if (r_vci_cmd_cpt == r_vci_cmd_max) {
3647	r_vci_cmd_fsm = CMD_IDLE ;
3648	}
3649	}
3650	break;
3651	case CMD_INS_MISS:
3652	case CMD_INS_UNC:
3653	case CMD_DATA_MISS:
3654	case CMD_DATA_UNC:
3655	if ( p_vci_ini_rw.cmdack.read() ) {
3656	r_vci_cmd_fsm = CMD_IDLE;
3657	}
3658	break;
3659
3660	} // end switch r_vci_cmd_fsm
3661
3662	//////////////////////////////////////////////////////////////////////////
3663	// The VCI_RSP FSM controls the following ressources:
3664	// - r_vci_rsp_fsm:
3665	// - r_icache_miss_buf[m_icache_words]
3666	// - r_dcache_miss_buf[m_dcache_words]
3667	// - r_vci_rsp_data_error set
3668	// - r_vci_rsp_ins_error set
3669	// - r_vci_rsp_cpt
3670	// In order to have only one active VCI transaction, this VCI_RSP_FSM
3671	// is synchronized with the VCI_CMD FSM, and both FSMs exit the
3672	// IDLE state simultaneously.
3673	//
3674	// VCI formats:
3675	// This component accepts single word or multi-word response packets for
3676	// write response packets.
3677	//
3678	// Error handling:
3679	// This FSM analyzes the VCI error code and signals directly the
3680	// Write Bus Error.
3681	// In case of Read Data Error, the VCI_RSP FSM sets the r_vci_rsp_data_error
3682	// flip_flop and the error is signaled by the DCACHE FSM.
3683	// In case of Instruction Error, the VCI_RSP FSM sets the r_vci_rsp_ins_error
3684	// flip_flop and the error is signaled by the DCACHE FSM.
3685	// In case of Cleanup Error, the simulation stops with an error message...
3686	//////////////////////////////////////////////////////////////////////////
3687
3688	switch (r_vci_rsp_fsm) {
3689
3690	case RSP_IDLE:
3691
3692	if( p_vci_ini_rw.rspval.read() )
3693	{
3694	PRINTF(" * <RSP> have rsp - trdid : %x - num_cache : %d\n",(uint32_t)p_vci_ini_rw.rtrdid.read(),(uint32_t)p_vci_ini_rw.rpktid.read());
3695
3696	ASSERT(p_vci_ini_rw.rpktid.read() <= (1<<vci_param::P),
3697	"invalid pktid in a cleanup response");
3698
3699	r_vci_rsp_cpt = 0;
3700
3701	if ((p_vci_ini_rw.rtrdid.read()>>(vci_param::T-1)) != 0 )
3702	{
3703	r_vci_rsp_fsm = RSP_DATA_WRITE;
3704
3705	#if CC_XCACHE_WRAPPER_DEBUG_FILE_TRANSACTION
3706	{
3707	log_transaction_file_cmd
3708	<< "[" << m_cpt_total_cycles << "] "
3709	<< "RSP DATA WRITE "
3710	<< "(" << p_vci_ini_rw.rpktid.read() << ") "
3711	<< "{" << (p_vci_ini_rw.rtrdid.read() - (1<<(vci_param::T-1))) << "}"
3712	<< std::endl;
3713	}
3714	#endif //CC_XCACHE_WRAPPER_DEBUG_FILE_TRANSACTION
3715	}
3716	else
3717	{
3718	switch (p_vci_ini_rw.rtrdid.read())
3719	{
3720	case TYPE_INS_MISS :
3721	{
3722	r_vci_rsp_fsm = RSP_INS_MISS;
3723
3724	#if CC_XCACHE_WRAPPER_DEBUG_FILE_TRANSACTION
3725	{
3726	log_transaction_file_cmd
3727	<< "[" << m_cpt_total_cycles << "] "
3728	<< "RSP INS MISS "
3729	<< "(" << p_vci_ini_rw.rpktid.read() << ") "
3730	<< std::endl;
3731	}
3732	#endif //CC_XCACHE_WRAPPER_DEBUG_FILE_TRANSACTION
3733
3734	break;
3735	}
3736	case TYPE_INS_UNC :
3737	{
3738	r_vci_rsp_fsm = RSP_INS_UNC;
3739
3740	#if CC_XCACHE_WRAPPER_DEBUG_FILE_TRANSACTION
3741	{
3742	log_transaction_file_cmd
3743	<< "[" << m_cpt_total_cycles << "] "
3744	<< "RSP INS UNC "
3745	<< "(" << p_vci_ini_rw.rpktid.read() << ") "
3746	<< std::endl;
3747	}
3748	#endif //CC_XCACHE_WRAPPER_DEBUG_FILE_TRANSACTION
3749
3750	break;
3751	}
3752	case TYPE_DATA_MISS :
3753	{
3754	r_vci_rsp_fsm = RSP_DATA_MISS;
3755
3756	#if CC_XCACHE_WRAPPER_DEBUG_FILE_TRANSACTION
3757	{
3758	log_transaction_file_cmd
3759	<< "[" << m_cpt_total_cycles << "] "
3760	<< "RSP DATA MISS "
3761	<< "(" << p_vci_ini_rw.rpktid.read() << ") "
3762	<< std::endl;
3763	}
3764	#endif //CC_XCACHE_WRAPPER_DEBUG_FILE_TRANSACTION
3765
3766	break;
3767	}
3768	case TYPE_DATA_UNC :
3769	{
3770	r_vci_rsp_fsm = RSP_DATA_UNC;
3771
3772	#if CC_XCACHE_WRAPPER_DEBUG_FILE_TRANSACTION
3773	{
3774	log_transaction_file_cmd
3775	<< "[" << m_cpt_total_cycles << "] "
3776	<< "RSP DATA UNC "
3777	<< "(" << p_vci_ini_rw.rpktid.read() << ") "
3778	<< std::endl;
3779	}
3780	#endif //CC_XCACHE_WRAPPER_DEBUG_FILE_TRANSACTION
3781
3782	break;
3783	}
3784	case TYPE_DATA_SC :
3785	{
3786	r_vci_rsp_fsm = RSP_DATA_SC;
3787
3788	#if CC_XCACHE_WRAPPER_DEBUG_FILE_TRANSACTION
3789	{
3790	log_transaction_file_cmd
3791	<< "[" << m_cpt_total_cycles << "] "
3792	<< "RSP DATA SC "
3793	<< "(" << p_vci_ini_rw.rpktid.read() << ") "
3794	<< std::endl;
3795	}
3796	#endif //CC_XCACHE_WRAPPER_DEBUG_FILE_TRANSACTION
3797
3798	break;
3799	}
3800	default :
3801	{
3802	ASSERT(false, "Unexpected response");
3803	}
3804	}
3805	}
3806
3807	r_vci_rsp_num_cache = p_vci_ini_rw.rpktid.read();
3808	}
3809	break;
3810
3811	case RSP_INS_MISS:
3812
3813	m_cost_imiss_transaction++;
3814	PRINTF(" * <RSP> rspval/ack : %d - %d\n",(uint32_t)p_vci_ini_rw.rspval.read(), (uint32_t)s_vci_rsp_ack);
3815
3816	if (p_vci_ini_rw.rspval.read() and s_vci_rsp_ack)
3817	{
3818	PRINTF(" * <RSP> have rsp - r_vci_rsp_cpt : %d/%d\n",(uint32_t)r_vci_rsp_cpt.read(),(uint32_t)m_icache_words);
3819	PRINTF(" * <RSP> ins : %x\n",(int)p_vci_ini_rw.rdata.read());
3820
3821	ASSERT( (r_vci_rsp_cpt < m_icache_words),
3822	"The VCI response packet for instruction miss is too long" );
3823	r_vci_rsp_cpt = r_vci_rsp_cpt + 1;
3824	CACHE_MISS_BUF_RSP_PUSH(i,r_vci_rsp_num_cache,r_vci_rsp_cpt,(data_t)p_vci_ini_rw.rdata.read());
3825	if ( p_vci_ini_rw.reop.read() )
3826	{
3827	PRINTF(" * <RSP> have reop\n");
3828
3829	ASSERT( ((r_vci_rsp_cpt == m_icache_words - 1) or
3830	p_vci_ini_rw.rerror.read() or
3831	(r_vci_rsp_ins_error[r_vci_rsp_num_cache].read()&0x1)),
3832	"The VCI response packet for instruction miss is too short");
3833	r_vci_rsp_cpt = 0;
3834	r_vci_rsp_fsm = RSP_IDLE;
3835
3836	}
3837	if ( (p_vci_ini_rw.rerror.read()&0x1) != vci_param::ERR_NORMAL ) r_vci_rsp_ins_error[r_vci_rsp_num_cache] = true;
3838	}
3839	break;
3840
3841	case RSP_INS_UNC:
3842
3843	m_cost_imiss_transaction++;
3844	if (p_vci_ini_rw.rspval.read() and s_vci_rsp_ack)
3845	{
3846	ASSERT(p_vci_ini_rw.reop.read(),
3847	"illegal VCI response packet for uncached instruction");
3848
3849	CACHE_MISS_BUF_RSP_PUSH(i,r_vci_rsp_num_cache,0,(data_t)p_vci_ini_rw.rdata.read());
3850
3851	r_vci_rsp_fsm = RSP_IDLE;
3852
3853	if ( (p_vci_ini_rw.rerror.read()&0x1) != vci_param::ERR_NORMAL ) r_vci_rsp_ins_error[r_vci_rsp_num_cache] = true;
3854	}
3855	break;
3856
3857	case RSP_DATA_MISS:
3858
3859	m_cost_dmiss_transaction++;
3860	if (p_vci_ini_rw.rspval.read() and s_vci_rsp_ack)
3861	{
3862	PRINTF(" * <RSP> have rspval - error : %d\n",(int)p_vci_ini_rw.rerror.read());
3863
3864	ASSERT(r_vci_rsp_cpt < m_dcache_words,
3865	"illegal VCI response packet for data read miss");
3866	r_vci_rsp_cpt = r_vci_rsp_cpt + 1;
3867
3868	CACHE_MISS_BUF_RSP_PUSH(d,r_vci_rsp_num_cache,r_vci_rsp_cpt,(data_t)p_vci_ini_rw.rdata.read());
3869
3870	if ( p_vci_ini_rw.reop.read() ) {
3871	ASSERT( ((r_vci_rsp_cpt == m_dcache_words - 1)
3872	or (p_vci_ini_rw.rerror.read()&0x1)
3873	or r_vci_rsp_data_error[r_vci_rsp_num_cache].read()),
3874	"illegal VCI response packet for data read miss");
3875	r_vci_rsp_cpt = 0;
3876	r_vci_rsp_fsm = RSP_IDLE;
3877	}
3878	if ( (p_vci_ini_rw.rerror.read()&0x1) != vci_param::ERR_NORMAL ) r_vci_rsp_data_error[r_vci_rsp_num_cache] = true;
3879	}
3880	break;
3881
3882	case RSP_DATA_WRITE:
3883	m_cost_write_transaction++;
3884	if (p_vci_ini_rw.rspval.read())
3885	{
3886	PRINTF(" * <RSP> have rspval - error : %d\n",(int)p_vci_ini_rw.rerror.read());
3887
3888	ASSERT(p_vci_ini_rw.reop.read(),
3889	"A VCI response packet must contain one flit for a write transaction");
3890	r_vci_rsp_fsm = RSP_IDLE;
3891	uint32_t wbuf_index = p_vci_ini_rw.rtrdid.read() - (1<<(vci_param::T-1));
3892	bool cached = r_wbuf[r_vci_rsp_num_cache]->completed(wbuf_index);
3893
3894	PRINTF(" * <RSP> cached : %d\n",cached);
3895
3896	if (not cached)
3897	r_dcache_previous_unc[r_vci_rsp_num_cache] = false;
3898
3899	if ((p_vci_ini_rw.rerror.read()&0x1) != vci_param::ERR_NORMAL)
3900	m_iss[r_wbuf[r_vci_rsp_num_cache]->getCpuId(wbuf_index)]->setWriteBerr();
3901	}
3902	break;
3903
3904	case RSP_DATA_UNC:
3905	m_cost_unc_transaction++;
3906	if (p_vci_ini_rw.rspval.read() and s_vci_rsp_ack)
3907	{
3908	ASSERT(p_vci_ini_rw.reop.read(),
3909	"illegal VCI response packet for data read uncached");
3910
3911	CACHE_MISS_BUF_RSP_PUSH(d,r_vci_rsp_num_cache,0,(data_t)p_vci_ini_rw.rdata.read());
3912
3913	r_vci_rsp_fsm = RSP_IDLE;
3914	r_dcache_previous_unc[r_vci_rsp_num_cache] = false;
3915
3916	if ( (p_vci_ini_rw.rerror.read()&0x1) != vci_param::ERR_NORMAL ) r_vci_rsp_data_error[r_vci_rsp_num_cache] = true;
3917	}
3918	break;
3919
3920	case RSP_DATA_SC:
3921	m_cost_unc_transaction++;
3922	if (p_vci_ini_rw.rspval.read() and s_vci_rsp_ack)
3923	{
3924	ASSERT(p_vci_ini_rw.reop.read(),
3925	"illegal VCI response packet for data SC");
3926
3927	CACHE_MISS_BUF_RSP_PUSH(d,r_vci_rsp_num_cache,0,(data_t)p_vci_ini_rw.rdata.read());
3928
3929	r_vci_rsp_fsm = RSP_IDLE;
3930	r_dcache_previous_unc[r_vci_rsp_num_cache] = false;
3931
3932	if ( (p_vci_ini_rw.rerror.read()&0x1) != vci_param::ERR_NORMAL ) r_vci_rsp_data_error[r_vci_rsp_num_cache] = true;
3933	}
3934	break;
3935
3936	} // end switch r_vci_rsp_fsm
3937
3938	} // end transition()
3939
3940	//////////////////////////////////////////////////////////////////////////////////
3941	tmpl(void)::genMoore()
3942	//////////////////////////////////////////////////////////////////////////////////
3943	{
3944	PRINTF("--------------------------------------------\n");
3945	PRINTF(" * CC_XCACHE_WRAPPER \"%s\" genMoore - Time = %d\n",name().c_str(),(uint32_t)m_cpt_total_cycles);
3946
3947	// VCI initiator response
3948	switch ( r_cleanup_fsm.read() ) {
3949	case CLEANUP_IDLE:
3950	p_vci_ini_c.rspack = false;
3951	p_vci_ini_c.cmdval = false;
3952	p_vci_ini_c.address = 0;
3953	p_vci_ini_c.wdata = 0;
3954	p_vci_ini_c.be = 0;
3955	p_vci_ini_c.plen = 0;
3956	p_vci_ini_c.cmd = vci_param::CMD_WRITE;
3957	p_vci_ini_c.trdid = 0;
3958	p_vci_ini_c.pktid = 0;
3959	p_vci_ini_c.srcid = 0;
3960	p_vci_ini_c.cons = false;
3961	p_vci_ini_c.wrap = false;
3962	p_vci_ini_c.contig = false;
3963	p_vci_ini_c.clen = 0;
3964	p_vci_ini_c.cfixed = false;
3965	p_vci_ini_c.eop = false;
3966	break;
3967
3968	case CLEANUP_REQ:
3969	{
3970	addr_40 addr;
3971	if (r_cleanup_icache)
3972	{
3973	addr = r_icache_cleanup_line[r_cleanup_num_cache].read()<<m_icache_words_shift;
3974	set_num_icache(addr,r_cleanup_num_cache);
3975
3976	PRINTF(" * <CLEANUP> icache : %llx\n",(blob_t)addr);
3977	}
3978	else
3979	{
3980	addr = r_dcache_cleanup_line[r_cleanup_num_cache].read()<<m_dcache_words_shift;
3981	set_num_dcache(addr,r_cleanup_num_cache);
3982
3983	PRINTF(" * <CLEANUP> dcache : %llx\n",(blob_t)addr);
3984	}
3985
3986	p_vci_ini_c.rspack = false;
3987	p_vci_ini_c.cmdval = true;
3988	p_vci_ini_c.address = addr;
3989	p_vci_ini_c.wdata = 0;
3990	p_vci_ini_c.be = 0xF;
3991	p_vci_ini_c.plen = 4;
3992	p_vci_ini_c.cmd = vci_param::CMD_WRITE;
3993	p_vci_ini_c.trdid = (r_cleanup_icache)?TYPE_INS_CLEANUP:TYPE_DATA_CLEANUP;
3994	p_vci_ini_c.pktid = (sc_dt::sc_uint<vci_param::P>)r_cleanup_num_cache;
3995	p_vci_ini_c.srcid = m_srcid_c;
3996	p_vci_ini_c.cons = false;
3997	p_vci_ini_c.wrap = false;
3998	p_vci_ini_c.contig = false;
3999	p_vci_ini_c.clen = 0;
4000	p_vci_ini_c.cfixed = false;
4001	p_vci_ini_c.eop = true;
4002
4003	break;
4004	}
4005
4006	case CLEANUP_RSP_DCACHE:
4007	p_vci_ini_c.rspack = true;
4008	p_vci_ini_c.cmdval = false;
4009	p_vci_ini_c.address = 0;
4010	p_vci_ini_c.wdata = 0;
4011	p_vci_ini_c.be = 0;
4012	p_vci_ini_c.plen = 0;
4013	p_vci_ini_c.cmd = vci_param::CMD_WRITE;
4014	p_vci_ini_c.trdid = 0;
4015	p_vci_ini_c.pktid = 0;
4016	p_vci_ini_c.srcid = 0;
4017	p_vci_ini_c.cons = false;
4018	p_vci_ini_c.wrap = false;
4019	p_vci_ini_c.contig = false;
4020	p_vci_ini_c.clen = 0;
4021	p_vci_ini_c.cfixed = false;
4022	p_vci_ini_c.eop = false;
4023	break;
4024
4025	case CLEANUP_RSP_ICACHE:
4026	p_vci_ini_c.rspack = true;
4027	p_vci_ini_c.cmdval = false;
4028	p_vci_ini_c.address = 0;
4029	p_vci_ini_c.wdata = 0;
4030	p_vci_ini_c.be = 0;
4031	p_vci_ini_c.plen = 0;
4032	p_vci_ini_c.cmd = vci_param::CMD_WRITE;
4033	p_vci_ini_c.trdid = 0;
4034	p_vci_ini_c.pktid = 0;
4035	p_vci_ini_c.srcid = 0;
4036	p_vci_ini_c.cons = false;
4037	p_vci_ini_c.wrap = false;
4038	p_vci_ini_c.contig = false;
4039	p_vci_ini_c.clen = 0;
4040	p_vci_ini_c.cfixed = false;
4041	p_vci_ini_c.eop = false;
4042	break;
4043	} // end switch r_cleanup_fsm
4044
4045	// VCI initiator command
4046
4047	switch (r_vci_cmd_fsm.read() ) {
4048	case CMD_IDLE:
4049	{
4050	p_vci_ini_rw.cmdval = false;
4051	p_vci_ini_rw.address = 0;
4052	p_vci_ini_rw.wdata = 0;
4053	p_vci_ini_rw.be = 0;
4054	p_vci_ini_rw.plen = 0;
4055	p_vci_ini_rw.cmd = vci_param::CMD_NOP;
4056	p_vci_ini_rw.trdid = 0;
4057	p_vci_ini_rw.pktid = 0;
4058	p_vci_ini_rw.srcid = 0;
4059	p_vci_ini_rw.cons = false;
4060	p_vci_ini_rw.wrap = false;
4061	p_vci_ini_rw.contig = false;
4062	p_vci_ini_rw.clen = 0;
4063	p_vci_ini_rw.cfixed = false;
4064	p_vci_ini_rw.eop = false;
4065
4066	break;
4067	}
4068	case CMD_DATA_UNC:
4069	{
4070	p_vci_ini_rw.cmdval = true;
4071
4072	addr_40 addr = (addr_40) r_dcache_addr_save[r_vci_cmd_num_cache].read() & ~0x3;
4073	set_num_dcache(addr,r_vci_cmd_num_cache);
4074
4075	PRINTF(" * <CMD> DATA_UNC : %d - %llx\n",(uint32_t)r_vci_cmd_num_cache,(blob_t)(addr));
4076
4077	p_vci_ini_rw.address = addr;
4078	switch( r_dcache_type_save[r_vci_cmd_num_cache] ) {
4079	case iss_t::DATA_READ:
4080	p_vci_ini_rw.wdata = 0;
4081	p_vci_ini_rw.be = r_dcache_be_save[r_vci_cmd_num_cache].read();
4082	p_vci_ini_rw.cmd = vci_param::CMD_READ;
4083	break;
4084	case iss_t::DATA_LL:
4085	p_vci_ini_rw.wdata = 0;
4086	p_vci_ini_rw.be = 0xF;
4087	p_vci_ini_rw.cmd = vci_param::CMD_LOCKED_READ;
4088	break;
4089	default:
4090	ASSERT(false,"this should not happen");
4091	}
4092	p_vci_ini_rw.plen = 4;
4093	p_vci_ini_rw.trdid = TYPE_DATA_UNC; // data cache uncached read
4094	p_vci_ini_rw.pktid = (sc_dt::sc_uint<vci_param::P>)r_vci_cmd_num_cache;
4095	p_vci_ini_rw.srcid = m_srcid_rw;
4096	p_vci_ini_rw.cons = false;
4097	p_vci_ini_rw.wrap = false;
4098	p_vci_ini_rw.contig = true;
4099	p_vci_ini_rw.clen = 0;
4100	p_vci_ini_rw.cfixed = false;
4101	p_vci_ini_rw.eop = true;
4102
4103	break;
4104	}
4105	case CMD_DATA_SC:
4106	{
4107	p_vci_ini_rw.cmdval = true;
4108
4109	addr_40 addr = (addr_40) r_dcache_addr_save[r_vci_cmd_num_cache].read() & ~0x3;
4110	set_num_dcache(addr,r_vci_cmd_num_cache);
4111
4112	PRINTF(" * <CMD> DATA_SC : %d - %llx\n",(uint32_t)r_vci_cmd_num_cache,(blob_t)(addr));
4113
4114	p_vci_ini_rw.address = addr;
4115	if(r_vci_cmd_max.read() == 3){
4116	ASSERT(false, "Not handled yet");
4117	} else { // r_vci_cmd_cpt == 1
4118	switch(r_vci_cmd_cpt.read()){
4119	case 0:
4120	p_vci_ini_rw.wdata = (uint32_t)(r_dcache_ll_data[r_vci_cmd_num_cache][r_dcache_num_cpu_save[r_vci_cmd_num_cache]].read() & 0xFFFFFFFF);
4121	break;
4122	case 1:
4123	p_vci_ini_rw.wdata = r_dcache_wdata_save[r_vci_cmd_num_cache].read();
4124	break;
4125	}
4126	}
4127	p_vci_ini_rw.be = 0xF;
4128	p_vci_ini_rw.cmd = vci_param::CMD_STORE_COND;
4129	p_vci_ini_rw.plen = 4*(r_vci_cmd_max.read()+1);
4130	p_vci_ini_rw.trdid = TYPE_DATA_SC; // data cache uncached read
4131	p_vci_ini_rw.pktid = (sc_dt::sc_uint<vci_param::P>)r_vci_cmd_num_cache;
4132	p_vci_ini_rw.srcid = m_srcid_rw;
4133	p_vci_ini_rw.cons = true;
4134	p_vci_ini_rw.wrap = false;
4135	p_vci_ini_rw.contig = false;
4136	p_vci_ini_rw.clen = 0;
4137	p_vci_ini_rw.cfixed = false;
4138	p_vci_ini_rw.eop = (r_vci_cmd_cpt.read() == r_vci_cmd_max.read());
4139
4140	break;
4141	}
4142	case CMD_DATA_WRITE:
4143	{
4144	p_vci_ini_rw.cmdval = true;
4145
4146	addr_40 addr = (addr_40) r_wbuf[r_vci_cmd_num_cache]->getAddress(r_vci_cmd_cpt)&~0x3;
4147
4148	PRINTF(" * <CMD> DATA_WRITE : %d - %llx\n",(uint32_t)r_vci_cmd_num_cache,(blob_t)(addr));
4149
4150	p_vci_ini_rw.address = addr;
4151	p_vci_ini_rw.wdata = r_wbuf[r_vci_cmd_num_cache]->getData(r_vci_cmd_cpt);
4152	p_vci_ini_rw.be = r_wbuf[r_vci_cmd_num_cache]->getBe(r_vci_cmd_cpt);
4153	p_vci_ini_rw.plen = (r_vci_cmd_max - r_vci_cmd_min + 1)<<2;
4154	p_vci_ini_rw.cmd = vci_param::CMD_WRITE;
4155	p_vci_ini_rw.trdid = r_wbuf[r_vci_cmd_num_cache]->getIndex() + (1<<(vci_param::T-1));
4156	p_vci_ini_rw.pktid = (sc_dt::sc_uint<vci_param::P>)r_vci_cmd_num_cache;
4157	p_vci_ini_rw.srcid = m_srcid_rw;
4158	p_vci_ini_rw.cons = false;
4159	p_vci_ini_rw.wrap = false;
4160	p_vci_ini_rw.contig = true;
4161	p_vci_ini_rw.clen = 0;
4162	p_vci_ini_rw.cfixed = false;
4163	p_vci_ini_rw.eop = (r_vci_cmd_cpt == r_vci_cmd_max);
4164
4165	break;
4166	}
4167	case CMD_DATA_MISS:
4168	{
4169	p_vci_ini_rw.cmdval = true;
4170
4171	addr_40 addr = r_dcache_addr_save[r_vci_cmd_num_cache].read() & (addr_40) m_dcache_yzmask;
4172	set_num_dcache(addr,r_vci_cmd_num_cache);
4173
4174	PRINTF(" * <CMD> DATA_MISS : %d - %llx\n",(uint32_t)r_vci_cmd_num_cache,(blob_t)(addr));
4175
4176	p_vci_ini_rw.address = addr;
4177	p_vci_ini_rw.be = 0xF;
4178	p_vci_ini_rw.plen = m_dcache_words << 2;
4179	p_vci_ini_rw.cmd = vci_param::CMD_READ;
4180	p_vci_ini_rw.trdid = TYPE_DATA_MISS; // data cache cached read
4181	p_vci_ini_rw.pktid = (sc_dt::sc_uint<vci_param::P>)r_vci_cmd_num_cache;
4182	p_vci_ini_rw.srcid = m_srcid_rw;
4183	p_vci_ini_rw.cons = false;
4184	p_vci_ini_rw.wrap = false;
4185	p_vci_ini_rw.contig = true;
4186	p_vci_ini_rw.clen = 0;
4187	p_vci_ini_rw.cfixed = false;
4188	p_vci_ini_rw.eop = true;
4189
4190	break;
4191	}
4192	case CMD_INS_MISS:
4193	{
4194	p_vci_ini_rw.cmdval = true;
4195
4196	addr_40 addr = r_icache_addr_save[r_vci_cmd_num_cache].read() & (addr_40) m_icache_yzmask;
4197	set_num_icache(addr,r_vci_cmd_num_cache);
4198
4199	PRINTF(" * <CMD> INS_MISS : %d - %llx\n",(uint32_t)r_vci_cmd_num_cache,(blob_t)(addr));
4200
4201	p_vci_ini_rw.address = addr;
4202	p_vci_ini_rw.be = 0xF;
4203	p_vci_ini_rw.plen = m_icache_words << 2;
4204	p_vci_ini_rw.cmd = vci_param::CMD_READ;
4205	p_vci_ini_rw.trdid = TYPE_INS_MISS; // ins cache cached read
4206	p_vci_ini_rw.pktid = (sc_dt::sc_uint<vci_param::P>)r_vci_cmd_num_cache;
4207	p_vci_ini_rw.srcid = m_srcid_rw;
4208	p_vci_ini_rw.cons = false;
4209	p_vci_ini_rw.wrap = false;
4210	p_vci_ini_rw.contig = true;
4211	p_vci_ini_rw.clen = 0;
4212	p_vci_ini_rw.cfixed = false;
4213	p_vci_ini_rw.eop = true;
4214
4215	break;
4216	}
4217	case CMD_INS_UNC:
4218	{
4219	p_vci_ini_rw.cmdval = true;
4220
4221	addr_40 addr = r_icache_addr_save[r_vci_cmd_num_cache].read() & ~0x3;
4222	set_num_icache(addr,r_vci_cmd_num_cache);
4223
4224	PRINTF(" * <CMD> INS_UNC : %d - %llx\n",(uint32_t)r_vci_cmd_num_cache,(blob_t)(addr));
4225
4226	p_vci_ini_rw.address = addr;
4227	p_vci_ini_rw.be = 0xF;
4228	p_vci_ini_rw.plen = 4;
4229	p_vci_ini_rw.cmd = vci_param::CMD_READ;
4230	p_vci_ini_rw.trdid = TYPE_INS_UNC; // ins cache uncached read
4231	p_vci_ini_rw.pktid = (sc_dt::sc_uint<vci_param::P>)r_vci_cmd_num_cache;
4232	p_vci_ini_rw.srcid = m_srcid_rw;
4233	p_vci_ini_rw.cons = false;
4234	p_vci_ini_rw.wrap = false;
4235	p_vci_ini_rw.contig = true;
4236	p_vci_ini_rw.clen = 0;
4237	p_vci_ini_rw.cfixed = false;
4238	p_vci_ini_rw.eop = true;
4239
4240	break;
4241	}
4242	} // end switch r_vci_cmd_fsm
4243
4244	{
4245	bool ack;
4246
4247	switch (r_vci_rsp_fsm.read() ) {
4248	case RSP_DATA_WRITE : ack = true; break;
4249	case RSP_INS_MISS :
4250	case RSP_INS_UNC : ack = CACHE_MISS_BUF_RSP_ACK(i,r_vci_rsp_num_cache); break;
4251	case RSP_DATA_MISS :
4252	case RSP_DATA_UNC :
4253	case RSP_DATA_SC : ack = CACHE_MISS_BUF_RSP_ACK(d,r_vci_rsp_num_cache); break;
4254
4255	case RSP_IDLE :
4256	default : ack = false; break;
4257
4258	} // end switch r_vci_cmd_fsm
4259
4260	s_vci_rsp_ack = ack;
4261	p_vci_ini_rw.rspack = ack;
4262
4263	PRINTF(" * <RSP> rspack : %d\n", ack);
4264	}
4265
4266	// VCI_TGT
4267
4268	// PRINTF(" * <TGT> srcid : %d\n", r_tgt_srcid.read());
4269
4270	switch ( r_vci_tgt_fsm.read() ) {
4271
4272	case TGT_IDLE:
4273	case TGT_UPDT_WORD:
4274	case TGT_UPDT_DATA:
4275	p_vci_tgt.cmdack = true;
4276	p_vci_tgt.rspval = false;
4277	break;
4278
4279	case TGT_RSP_BROADCAST:
4280	{
4281	bool tgt_icache_req;
4282	bool tgt_icache_rsp;
4283
4284	#if (CC_XCACHE_WRAPPER_MULTI_CACHE==1)
4285	tgt_icache_req = r_tgt_icache_req[r_tgt_num_cache].read();
4286	tgt_icache_rsp = r_tgt_icache_rsp[r_tgt_num_cache].read();
4287	#elif (CC_XCACHE_WRAPPER_MULTI_CACHE==2)
4288	tgt_icache_req = false;
4289	tgt_icache_rsp = false;
4290	for (uint32_t num_cache=0; num_cache<m_nb_icache; ++num_cache)
4291	{
4292	tgt_icache_req \|= r_tgt_icache_req[num_cache].read();
4293	tgt_icache_rsp \|= r_tgt_icache_rsp[num_cache].read();
4294	}
4295	#endif
4296
4297	bool rspval = ((not tgt_icache_req and not r_tgt_dcache_req[r_tgt_num_cache].read())
4298	and (tgt_icache_rsp \| r_tgt_dcache_rsp[r_tgt_num_cache]));
4299
4300	PRINTF(" * <TGT> RSP_BROADCAST : rspval : %d (i %d %d, d %d %d)\n",rspval,tgt_icache_req,tgt_icache_rsp, r_tgt_dcache_req[r_tgt_num_cache].read(), r_tgt_dcache_rsp[r_tgt_num_cache].read());
4301
4302	p_vci_tgt.cmdack = false;
4303	p_vci_tgt.rspval = rspval;
4304	p_vci_tgt.rsrcid = r_tgt_srcid.read();
4305	p_vci_tgt.rpktid = r_tgt_pktid.read();
4306	p_vci_tgt.rtrdid = r_tgt_trdid.read();
4307	p_vci_tgt.rdata = 0;
4308	p_vci_tgt.rerror = 0x2 & ( (1 << vci_param::E) - 1); // Write OK
4309	p_vci_tgt.reop = true;
4310	break;
4311	}
4312	case TGT_RSP_ICACHE:
4313	{
4314	bool rspval = not r_tgt_icache_req[r_tgt_num_cache].read() and r_tgt_icache_rsp[r_tgt_num_cache].read();
4315
4316	PRINTF(" * <TGT> RSP_ICACHE : rspval : %d\n",rspval);
4317
4318	p_vci_tgt.cmdack = false;
4319	p_vci_tgt.rspval = rspval;
4320	p_vci_tgt.rsrcid = r_tgt_srcid.read();
4321	p_vci_tgt.rpktid = r_tgt_pktid.read();
4322	p_vci_tgt.rtrdid = r_tgt_trdid.read();
4323	p_vci_tgt.rdata = 0;
4324	p_vci_tgt.rerror = 0x2 & ( (1 << vci_param::E) - 1); // Write OK
4325	p_vci_tgt.reop = true;
4326	break;
4327	}
4328	case TGT_RSP_DCACHE:
4329	{
4330	bool rspval = not r_tgt_dcache_req[r_tgt_num_cache].read() and r_tgt_dcache_rsp[r_tgt_num_cache].read();
4331
4332	PRINTF(" * <TGT> RSP_DCACHE : rspval : %d\n",rspval);
4333
4334	p_vci_tgt.cmdack = false;
4335	p_vci_tgt.rspval = rspval;
4336	p_vci_tgt.rsrcid = r_tgt_srcid.read();
4337	p_vci_tgt.rpktid = r_tgt_pktid.read();
4338	p_vci_tgt.rtrdid = r_tgt_trdid.read();
4339	p_vci_tgt.rdata = 0;
4340	p_vci_tgt.rerror = 0x2 & ( (1 << vci_param::E) - 1); // Write OK
4341	p_vci_tgt.reop = true;
4342	break;
4343	}
4344	case TGT_REQ_BROADCAST:
4345	case TGT_REQ_ICACHE:
4346	case TGT_REQ_DCACHE:
4347	p_vci_tgt.cmdack = false;
4348	p_vci_tgt.rspval = false;
4349	break;
4350
4351	} // end switch TGT_FSM
4352	} // end genMoore()
4353
4354	//////////////////////////////////////////////////////////////////////////////////
4355	tmpl(void)::stop_simulation (uint32_t nb_frz_cycles)
4356	//////////////////////////////////////////////////////////////////////////////////
4357	{
4358	#if CC_XCACHE_WRAPPER_STOP_SIMULATION
4359	if (nb_frz_cycles == 0)
4360	{
4361	PRINTF("CC_XCACHE_WRAPPER \"%s\" : don't stop the simulation.\n",name().c_str());
4362	m_stop_simulation = false;
4363	}
4364	else
4365	{
4366	PRINTF("CC_XCACHE_WRAPPER \"%s\" : stop the simulation after %d cycles.\n",name().c_str(),nb_frz_cycles);
4367	m_stop_simulation = true;
4368	m_stop_simulation_nb_frz_cycles_max = nb_frz_cycles;
4369	}
4370	#else
4371	std::cout << "CC_XCACHE_WRAPPER \"" << name() << "\" : flag CC_XCACHE_WRAPPER_STOP_SIMULATION is unset, you can't use stop_simulation." << std::endl;
4372	#endif // CC_XCACHE_WRAPPER_STOP_SIMULATION
4373
4374	}
4375
4376	//////////////////////////////////////////////////////////////////////////////////
4377	tmpl(uint32_t)::get_num_cache(addr_40 & addr)
4378	//////////////////////////////////////////////////////////////////////////////////
4379	{
4380	uint32_t num_cache = get_num_cache_only(addr);
4381
4382	addr = ((addr&m_num_cache_LSB_mask) \| // keep LSB
4383	((addr>>m_num_cache_MSB)<<m_num_cache_LSB)); // set MSB
4384
4385	return num_cache;
4386	}
4387
4388	//////////////////////////////////////////////////////////////////////////////////
4389	tmpl(uint32_t)::get_num_cache_only(addr_40 addr)
4390	//////////////////////////////////////////////////////////////////////////////////
4391	{
4392	return (addr>>m_num_cache_LSB)&m_num_cache_mask;
4393	}
4394
4395	//////////////////////////////////////////////////////////////////////////////////
4396	tmpl(void)::set_num_cache(addr_40 & addr, uint32_t num_cache)
4397	//////////////////////////////////////////////////////////////////////////////////
4398	{
4399	addr = ((addr&m_num_cache_LSB_mask) \| // keep LSB
4400	((addr_40)num_cache << m_num_cache_LSB) \|
4401	((addr>>m_num_cache_LSB)<<m_num_cache_MSB)); // set MSB
4402	}
4403
4404	//////////////////////////////////////////////////////////////////////////////////
4405	// FIXME : mettre le type addr_40
4406	tmpl(sc_dt::sc_uint<40>)::set_num_cache_only(addr_40 addr, uint32_t num_cache)
4407	//////////////////////////////////////////////////////////////////////////////////
4408	{
4409	return ((addr&m_num_cache_LSB_mask) \| // keep LSB
4410	((addr_40)num_cache << m_num_cache_LSB) \|
4411	((addr>>m_num_cache_LSB)<<m_num_cache_MSB)); // set MSB
4412	}
4413
4414
4415	}} // end namespace
4416
4417	// Local Variables:
4418	// tab-width: 4
4419	// c-basic-offset: 4
4420	// c-file-offsets:((innamespace . 0)(inline-open . 0))
4421	// indent-tabs-mode: nil
4422	// End:
4423
4424	// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=4:softtabstop=4

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