COSC530-RISC-V-Emulator-/testFile.cpp at main · gardenqu/COSC530-RISC-V-Emulator- · GitHub

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#include <iostream>
#include "Decoder.h"

void testDecode() {
    Decoder decoder;

    struct TestCase {
        uint32_t instr;
        Decoder::DecodedInstr expected;
    };

    TestCase tests[] = {
    {0x003100B3, {0x33, 0x0, 0x00, 1, 2, 3, 0, "R"}},       // add x1,x2,x3 (probably correct)
    {0x00A10093, {0x13, 0x0, 0x00, 1, 2, 0, 10, "I"}},      // addi x1,x2,10 corrected literal
    {0x00112023, {0x23, 0x2, 0x00, 0, 2, 1, 0, "S"}},       // sw x1,0(x2) (check this too)
    {0x00208863, {0x63, 0x0, 0x00, 0, 1, 2, 16, "B"}}     // beq x1,x2,16 (double check this one)
};
    for (const auto& test : tests) {
        auto decoded = decoder.decode(test.instr);

        bool pass = (decoded.opcode == test.expected.opcode) &&
                    (decoded.funct3 == test.expected.funct3) &&
                    (decoded.funct7 == test.expected.funct7) &&
                    (decoded.rd == test.expected.rd) &&
                    (decoded.rs1 == test.expected.rs1) &&
                    (decoded.rs2 == test.expected.rs2) &&
                    (decoded.imm == test.expected.imm) &&
                    (decoded.type == test.expected.type);

        std::cout << "Test instruction 0x" << std::hex << test.instr
                  << (pass ? " PASSED\n" : " FAILED\n");
        if (!pass) {
            std::cout << "Decoded opcode: 0x" << std::hex << (int)decoded.opcode << "\n";
            std::cout << "Decoded funct3: 0x" << std::hex << (int)decoded.funct3 << "\n";
            std::cout << "Decoded funct7: 0x" << std::hex << (int)decoded.funct7 << "\n";
            std::cout << "Decoded rd: " << (int)decoded.rd << "\n";
            std::cout << "Decoded rs1: " << (int)decoded.rs1 << "\n";
            std::cout << "Decoded rs2: " << (int)decoded.rs2 << "\n";
            std::cout << "Decoded imm: " << decoded.imm << "\n";
            std::cout << "Decoded type: " << decoded.type << "\n";


            uint32_t instr = test.instr;
            std::cout << "Instruction: 0x" << std::hex << instr << "\n";
            std::cout << "imm12 = " << ((instr >> 31) & 1) << "\n";
            std::cout << "imm11 = " << ((instr >> 7) & 1) << "\n";
            std::cout << "imm10_5 = " << ((instr >> 25) & 0x3F) << "\n";
            std::cout << "imm4_1 = " << ((instr >> 8) & 0xF) << "\n";

        }
    }
}

int main() {
    testDecode();
    return 0;
}