mirror of https://github.com/YosysHQ/yosys.git
86 lines
2.2 KiB
C++
86 lines
2.2 KiB
C++
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#include <sys/stat.h>
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#include <sys/types.h>
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#include <stdio.h>
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#include <string>
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const char *arg_types[][2] = {
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{ "{dir} [3:0] {name}", "{name}" }, // 00
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{ "{dir} [4:0] {name}", "{name}" }, // 01
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{ "{dir} [5:0] {name}", "{name}" }, // 02
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{ "{dir} signed [3:0] {name}", "{name}" }, // 03
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{ "{dir} signed [4:0] {name}", "{name}" }, // 04
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{ "{dir} signed [5:0] {name}", "{name}" } // 05
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};
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const char *ops[] = {
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"+", // 00
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"-", // 01
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"*", // 02
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"&&", // 03
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"||", // 04
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"&", // 05
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"|", // 06
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"^", // 07
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"<<", // 08
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">>", // 09
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"<<<", // 10
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">>>", // 11
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};
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void strsubst(std::string &str, const std::string &match, const std::string &replace)
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{
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size_t pos;
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while ((pos = str.find(match)) != std::string::npos)
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str.replace(pos, match.size(), replace);
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}
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int main()
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{
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mkdir("rtl", 0777);
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for (int ai = 0; ai < sizeof(arg_types)/sizeof(arg_types[0]); ai++)
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for (int bi = 0; bi < sizeof(arg_types)/sizeof(arg_types[0]); bi++)
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for (int yi = 0; yi < sizeof(arg_types)/sizeof(arg_types[0]); yi++)
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for (int oi = 0; oi < sizeof(ops)/sizeof(ops[0]); oi++)
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{
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std::string a_decl = arg_types[ai][0];
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strsubst(a_decl, "{dir}", "input");
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strsubst(a_decl, "{name}", "a");
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std::string b_decl = arg_types[bi][0];
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strsubst(b_decl, "{dir}", "input");
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strsubst(b_decl, "{name}", "b");
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std::string y_decl = arg_types[yi][0];
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strsubst(y_decl, "{dir}", "output");
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strsubst(y_decl, "{name}", "y");
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std::string a_ref = arg_types[ai][1];
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strsubst(a_ref, "{dir}", "input");
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strsubst(a_ref, "{name}", "a");
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std::string b_ref = arg_types[bi][1];
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strsubst(b_ref, "{dir}", "input");
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strsubst(b_ref, "{name}", "b");
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std::string y_ref = arg_types[yi][1];
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strsubst(y_ref, "{dir}", "output");
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strsubst(y_ref, "{name}", "y");
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char buffer[1024];
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snprintf(buffer, 1024, "rtl/binary_ops_%02d%02d%02d%02d.v", ai, bi, yi, oi);
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FILE *f = fopen(buffer, "w");
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fprintf(f, "module binary_ops_%02d%02d%02d%02d(a, b, y);\n", ai, bi, yi, oi);
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fprintf(f, "%s;\n", a_decl.c_str());
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fprintf(f, "%s;\n", b_decl.c_str());
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fprintf(f, "%s;\n", y_decl.c_str());
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fprintf(f, "assign %s = %s %s %s;\n", y_ref.c_str(),
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a_ref.c_str(), ops[oi], b_ref.c_str());
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fprintf(f, "endmodule\n");
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fclose(f);
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}
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return 0;
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}
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