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#include "id.h"
#include "cache.h"
#include "controller.h"
#include "dram.h"
#include "if.h"
#include "instr.h"
#include "instrDTO.h"
#include <catch2/catch_test_macros.hpp>
class IDFixture
{
public:
IDFixture()
{
Dram *dr;
dr = new Dram(3);
this->c = new Cache(dr, 1);
IF *f = new IF(nullptr);
this->d = new ID(f);
this->ct = new Controller(this->d, this->c, true);
};
~IDFixture()
{
delete this->ct;
delete this->c;
};
signed int encode_R_type(
signed int s3,
signed int s2,
signed int s1,
signed int opcode,
signed int type)
{
signed int t;
t = s3;
t = (t << REG_SIZE) + s2;
t = (t << REG_SIZE) + s1;
t = (t << R_OPCODE_SIZE) + opcode;
t = (t << TYPE_SIZE) + type;
return t;
}
signed int encode_I_type(
signed int s3,
signed int s2,
signed int s1,
signed int opcode,
signed int type)
{
signed int t;
t = s3;
t = (t << REG_SIZE) + s2;
t = (t << REG_SIZE) + s1;
t = (t << OPCODE_SIZE) + opcode;
t = (t << TYPE_SIZE) + type;
return t;
}
signed int encode_J_type(
signed int s2, signed int s1, signed int opcode, signed int type)
{
signed int t;
t = s2;
t = (t << REG_SIZE) + s1;
t = (t << OPCODE_SIZE) + opcode;
t = (t << TYPE_SIZE) + type;
return t;
}
std::vector<signed int> p;
Cache *c;
ID *d;
Controller *ct;
};
TEST_CASE_METHOD(IDFixture, "Parse invalid type", "[id]")
{
signed int s1 = 0, s2 = 0, s3 = 0;
Mnemonic m;
s1 = 0xFFFFFFFF;
this->d->get_instr_fields(s1, s2, s3, m);
CHECK(m == NOP);
}
TEST_CASE_METHOD(IDFixture, "Parse arbitrary r-type # one", "[id]")
{
signed int s1 = -1, s2 = -1, s3 = -1;
Mnemonic m;
s1 = this->encode_R_type(0b0, 0b1, 0b10, 0b11, 0b0);
this->d->get_instr_fields(s1, s2, s3, m);
CHECK(s1 == 0x00000000); // registers are empty
CHECK(s2 == 0x00000000);
CHECK(s3 == 0x00000000);
CHECK(m == MUL);
}
TEST_CASE_METHOD(IDFixture, "Parse arbitrary r-type # two", "[id]")
{
signed int s1 = -1, s2 = -1, s3 = -1;
Mnemonic m;
s1 = this->encode_R_type(0b10000, 0b01000, 0b00100, 0b10, 0b0);
this->d->get_instr_fields(s1, s2, s3, m);
CHECK(s1 == 0x00000000); // registers are empty
CHECK(s2 == 0b00000000);
CHECK(s3 == 0b00000000);
CHECK(m == SUB);
}
TEST_CASE_METHOD(IDFixture, "Parse arbitrary i-type # one", "[id]")
{
signed int s1 = -1, s2 = -1, s3 = -1;
Mnemonic m;
s1 = this->encode_I_type(0xF, 0b1, 0b10, 0b0111, 0b1);
this->d->get_instr_fields(s1, s2, s3, m);
CHECK(s1 == 0x00000000); // registers are empty
CHECK(s2 == 0x00000000);
CHECK(s3 == 0xF);
CHECK(m == SFTLI);
}
TEST_CASE_METHOD(IDFixture, "Parse arbitrary i-type # two", "[id]")
{
signed int s1 = -1, s2 = -1, s3 = -1;
Mnemonic m;
s1 = this->encode_I_type(0xCC, 0b010, 0b101, 0b1011, 0b1);
this->d->get_instr_fields(s1, s2, s3, m);
CHECK(s1 == 0x00000000); // registers are empty
CHECK(s2 == 0x00000000);
CHECK(s3 == 0xCC);
CHECK(m == STORE);
}
TEST_CASE_METHOD(IDFixture, "Parse arbitrary j-type # one", "[id]")
{
signed int s1 = -1, s2 = -1, s3 = -1;
Mnemonic m;
s1 = this->encode_J_type(0x3456, 0b10101, 0b0111, 0b10);
this->d->get_instr_fields(s1, s2, s3, m);
CHECK(s1 == 0x00000000); // registers are empty
CHECK(s2 == 0x3456);
CHECK(m == BOF);
// behavior does nothing
CHECK(s3 == -1);
}
TEST_CASE_METHOD(IDFixture, "Parse arbitrary j-type # two", "[id]")
{
signed int s1 = -1, s2 = -1, s3 = -1;
Mnemonic m;
s1 = this->encode_J_type(0xBBCCF, 0b10101, 0b0011, 0b10);
this->d->get_instr_fields(s1, s2, s3, m);
CHECK(s1 == 0x00000000); // registers are empty
CHECK(s2 == 0xBBCCF);
CHECK(m == JAL);
// behavior does nothing
CHECK(s3 == -1);
}
// TEST_CASE_METHOD(IDFixture, "No data hazards", "[id]") { signed int }
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