[55] | 1 | |
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| 2 | #include <iostream> |
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| 3 | |
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| 4 | #include "systemc.h" |
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| 5 | #include "test.h" |
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| 6 | |
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| 7 | using namespace std; |
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| 8 | |
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| 9 | |
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| 10 | #define MASK 0x0000000FFFFFFFFFLLU |
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| 11 | |
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| 12 | |
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| 13 | typedef sc_uint<36> data_type; |
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| 14 | |
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| 15 | struct observer : sc_module { |
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| 16 | sc_in_clk clk; |
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| 17 | |
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| 18 | sc_in<data_type> i; |
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| 19 | |
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| 20 | void f() { |
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| 21 | printf("0x%016llx\n", (unsigned long long int) i.read()); |
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| 22 | data_type t = i.read(); |
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| 23 | |
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| 24 | if (t == 7) { |
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| 25 | cout << "(== 0x7)\n"; |
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| 26 | } |
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| 27 | t <<= 1; |
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| 28 | |
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| 29 | if (t == 14) { |
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| 30 | cout << "((t << 1) == 0xe)\n"; |
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| 31 | } |
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| 32 | |
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| 33 | t += 1; |
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| 34 | |
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| 35 | if (t == 15) { |
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| 36 | cout << "(((t << 1) + 1) == 0xf)\n"; |
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| 37 | } |
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| 38 | |
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| 39 | t = t >> 1; |
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| 40 | |
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| 41 | if (t == 7) { |
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| 42 | cout << "((((t << 1) + 1) >> 1) == 0x7)\n"; |
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| 43 | } |
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| 44 | |
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| 45 | } |
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| 46 | |
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| 47 | SC_HAS_PROCESS(observer); |
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| 48 | observer(sc_module_name) : clk ("clk"), i("i") { |
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| 49 | SC_METHOD(f); |
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| 50 | sensitive << clk.pos(); |
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| 51 | dont_initialize(); |
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| 52 | } |
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| 53 | |
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| 54 | }; |
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| 55 | |
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| 56 | |
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| 57 | struct generator : sc_module { |
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| 58 | sc_in_clk clk; |
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| 59 | |
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| 60 | sc_out<data_type> o; |
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| 61 | sc_in<data_type> i; |
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| 62 | |
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| 63 | long long int t; |
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| 64 | |
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| 65 | void f() { |
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| 66 | t <<= 1; |
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| 67 | t++; |
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| 68 | o.write(t); |
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| 69 | } |
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| 70 | |
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| 71 | SC_HAS_PROCESS(generator); |
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| 72 | generator(sc_module_name) : clk ("clk"), o("o") { |
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| 73 | t = 1; |
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| 74 | SC_METHOD(f); |
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| 75 | sensitive << clk.neg() << i; |
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| 76 | dont_initialize(); |
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| 77 | #ifdef SYSTEMCASS_SPECIFIC |
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| 78 | o(i); |
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| 79 | #endif |
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| 80 | } |
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| 81 | |
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| 82 | }; |
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| 83 | |
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| 84 | struct top_level : sc_module { |
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| 85 | sc_in_clk clk; |
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| 86 | |
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| 87 | sc_out<data_type> o; |
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| 88 | sc_in <data_type> i; |
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| 89 | |
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| 90 | generator g; |
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| 91 | observer obs1, obs2; |
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| 92 | |
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| 93 | SC_HAS_PROCESS(top_level); |
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| 94 | top_level(sc_module_name) : |
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| 95 | clk ("clk"), |
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| 96 | o("o"), |
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| 97 | i("i"), |
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| 98 | g("generator"), |
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| 99 | obs1("observer1"), |
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| 100 | obs2("observer2") { |
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| 101 | g.clk(clk); |
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| 102 | obs1.clk(clk); |
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| 103 | obs2.clk(clk); |
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| 104 | |
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| 105 | g.i(i); |
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| 106 | g.o(o); |
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| 107 | obs1.i(o); |
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| 108 | obs2.i(o); |
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| 109 | |
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| 110 | #ifdef SYSTEMCASS_SPECIFIC |
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| 111 | o(i); // wrong declaration that needs detection (no sc_method) |
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| 112 | #endif |
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| 113 | } |
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| 114 | |
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| 115 | }; |
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| 116 | |
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| 117 | |
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| 118 | int sc_main(int argc, char ** argv) { |
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| 119 | sc_clock clk("top_clk"); |
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| 120 | sc_signal<data_type> out("top_out"); |
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| 121 | sc_signal<data_type> in("top_in"); |
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| 122 | |
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| 123 | top_level t("top_level"); |
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| 124 | |
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[60] | 125 | // Setup number of threads open-mp to 1 with the macro threads_omp() |
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| 126 | threads_omp(); |
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| 127 | |
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[55] | 128 | t.clk(clk); |
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| 129 | t.o(out); |
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| 130 | t.i(in); |
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| 131 | |
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| 132 | /* initilization */ |
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| 133 | sc_start(sc_time(0, sc_core::SC_NS)); |
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| 134 | |
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| 135 | /* simulation */ |
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| 136 | int i = 0; |
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| 137 | while (i++ < 40) { |
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| 138 | sc_start(sc_time(1, sc_core::SC_NS)); |
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| 139 | ASSERT(out.read() == t.obs1.i.read()) |
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| 140 | ASSERT(out.read() == t.obs2.i.read()) |
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| 141 | ASSERT(out.read() == (t.g.t & MASK)) |
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| 142 | printf("0x%08x - 0x%08x - 0x%08x - 0x%llx\n", (unsigned int) out.read(), (unsigned int) t.obs1.i.read(), (unsigned int) t.obs2.i.read(), (t.g.t & MASK)); |
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| 143 | } |
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| 144 | |
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| 145 | return 0; |
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| 146 | } |
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| 147 | |
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| 148 | |
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| 149 | /* |
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| 150 | # Local Variables: |
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| 151 | # tab-width: 4; |
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| 152 | # c-basic-offset: 4; |
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| 153 | # c-file-offsets:((innamespace . 0)(inline-open . 0)); |
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| 154 | # indent-tabs-mode: nil; |
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| 155 | # End: |
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| 156 | # |
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| 157 | # vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=4:softtabstop=4 |
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| 158 | */ |
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| 159 | |
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