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, Asim |
---|
24 | * Christophe Choichillon <choichillon.christophe@gmail.com>, 2011 |
---|
25 | * |
---|
26 | * Maintainers: Christophe Choichillon |
---|
27 | */ |
---|
28 | #ifndef SOCLIB_CABA_VCI_SYNTHETIC_TARGET_H |
---|
29 | #define SOCLIB_CABA_VCI_SYNTHETIC_TARGET_H |
---|
30 | |
---|
31 | #include <systemc> |
---|
32 | #include <vector> |
---|
33 | #include <list> |
---|
34 | #include <cassert> |
---|
35 | #include "caba_base_module.h" |
---|
36 | #include "vci_target.h" |
---|
37 | #include "mapping_table.h" |
---|
38 | #include "int_tab.h" |
---|
39 | #include "loader.h" |
---|
40 | #include "linked_access_buffer.h" |
---|
41 | #include "soclib_endian.h" |
---|
42 | |
---|
43 | namespace soclib { |
---|
44 | namespace caba { |
---|
45 | |
---|
46 | using namespace sc_core; |
---|
47 | |
---|
48 | template<typename vci_param> |
---|
49 | class VciSyntheticTarget |
---|
50 | : public soclib::caba::BaseModule |
---|
51 | { |
---|
52 | public: |
---|
53 | |
---|
54 | typedef typename vci_param::data_t vci_data_t; |
---|
55 | typedef typename vci_param::addr_t vci_addr_t; |
---|
56 | typedef typename vci_param::be_t vci_be_t; |
---|
57 | typedef typename vci_param::srcid_t vci_srcid_t; |
---|
58 | typedef typename vci_param::trdid_t vci_trdid_t; |
---|
59 | typedef typename vci_param::pktid_t vci_pktid_t; |
---|
60 | |
---|
61 | typedef uint32_t ram_t; |
---|
62 | |
---|
63 | enum fsm_state_e { |
---|
64 | FSM_IDLE, |
---|
65 | FSM_CMD_GET, |
---|
66 | FSM_CMD_WRITE, |
---|
67 | FSM_CMD_ERROR, |
---|
68 | FSM_RSP_READ, |
---|
69 | FSM_RSP_WRITE, |
---|
70 | FSM_RSP_LL, |
---|
71 | FSM_RSP_SC, |
---|
72 | FSM_RSP_ERROR, |
---|
73 | }; |
---|
74 | |
---|
75 | private: |
---|
76 | |
---|
77 | soclib::common::Loader m_loader; |
---|
78 | std::list<soclib::common::Segment> m_seglist; |
---|
79 | const uint32_t m_latency; |
---|
80 | |
---|
81 | soclib::common::LinkedAccessBuffer< |
---|
82 | vci_addr_t, vci_srcid_t> r_llsc_buf; |
---|
83 | |
---|
84 | sc_signal<int> r_fsm_state; |
---|
85 | sc_signal<size_t> r_flit_count; |
---|
86 | sc_signal<size_t> r_seg_index; |
---|
87 | sc_signal<vci_addr_t> r_address; |
---|
88 | sc_signal<vci_data_t> r_wdata; |
---|
89 | sc_signal<vci_be_t> r_be; |
---|
90 | sc_signal<vci_srcid_t> r_srcid; |
---|
91 | sc_signal<vci_trdid_t> r_trdid; |
---|
92 | sc_signal<vci_pktid_t> r_pktid; |
---|
93 | sc_signal<bool> r_contig; |
---|
94 | sc_signal<uint32_t> r_latency_count; |
---|
95 | |
---|
96 | size_t m_nbseg; |
---|
97 | ram_t **m_ram; |
---|
98 | soclib::common::Segment **m_seg; |
---|
99 | |
---|
100 | // Activity counters |
---|
101 | uint32_t m_cpt_read; // Count READ access |
---|
102 | uint32_t m_cpt_write; // Count WRITE access |
---|
103 | |
---|
104 | protected: |
---|
105 | |
---|
106 | SC_HAS_PROCESS(VciSyntheticTarget); |
---|
107 | |
---|
108 | public: |
---|
109 | |
---|
110 | // Ports |
---|
111 | sc_in<bool> p_resetn; |
---|
112 | sc_in<bool> p_clk; |
---|
113 | soclib::caba::VciTarget<vci_param> p_vci; |
---|
114 | |
---|
115 | VciSyntheticTarget(sc_module_name insname, |
---|
116 | const soclib::common::IntTab index, |
---|
117 | const soclib::common::MappingTable &mt, |
---|
118 | const soclib::common::Loader &loader, |
---|
119 | const uint32_t latency = 0); |
---|
120 | |
---|
121 | ~VciSyntheticTarget(); |
---|
122 | |
---|
123 | void print_trace(); |
---|
124 | void printStatistics(); |
---|
125 | |
---|
126 | private: |
---|
127 | |
---|
128 | bool write(size_t seg, vci_addr_t addr, vci_data_t wdata, vci_be_t be); |
---|
129 | bool read( size_t seg, vci_addr_t addr, vci_data_t &rdata ); |
---|
130 | void transition(); |
---|
131 | void genMoore(); |
---|
132 | void reload(); |
---|
133 | void reset(); |
---|
134 | |
---|
135 | }; |
---|
136 | |
---|
137 | }} |
---|
138 | |
---|
139 | #endif |
---|
140 | |
---|