diff options
Diffstat (limited to 'src/ymh15/test_mips.cpp')
| -rw-r--r-- | src/ymh15/test_mips.cpp | 73 |
1 files changed, 63 insertions, 10 deletions
diff --git a/src/ymh15/test_mips.cpp b/src/ymh15/test_mips.cpp index 1b9ed42..4a2de99 100644 --- a/src/ymh15/test_mips.cpp +++ b/src/ymh15/test_mips.cpp @@ -14,29 +14,37 @@ int main() { mips_test_begin_suite(); int testId = mips_test_begin_test("ADD"); - mips_test_end_test(testId, test_add(ram, cpu, 0x20, 0x3fffffff, 0, 10), "Testing the adder without overflow"); + mips_test_end_test(testId, test_add(ram, cpu, ADD, 0x3fffffff, 0, 10), "Testing the adder without overflow"); testId = mips_test_begin_test("ADD"); - mips_test_end_test(testId, !test_add(ram, cpu, 0x20, 0x7fffffff, 1, 1), "Testing the adder with overflow"); + mips_test_end_test(testId, !test_add(ram, cpu, ADD, 0x7fffffff, 1, 1), "Testing the adder with overflow"); testId = mips_test_begin_test("ADDU"); - mips_test_end_test(testId, test_add(ram, cpu, 0x21, 0x3fffffff, 0, 10), "testing without overflow"); + mips_test_end_test(testId, test_add(ram, cpu, ADDU, 0x3fffffff, 0, 10), "testing without overflow"); testId = mips_test_begin_test("ADDU"); - mips_test_end_test(testId, test_add(ram, cpu, 0x21, 0x7fffffff, 1, 1), "Testing the adder with overflow"); + mips_test_end_test(testId, test_add(ram, cpu, ADDU, 0x7fffffff, 1, 1), "Testing the adder with overflow"); testId = mips_test_begin_test("SUB"); - mips_test_end_test(testId, test_add(ram, cpu, 0x22, 0x3fffffff, 0, 10), "Testing the adder without overflow"); + mips_test_end_test(testId, test_add(ram, cpu, SUB, 0x3fffffff, 0, 10), "Testing the adder without overflow"); testId = mips_test_begin_test("SUB"); - mips_test_end_test(testId, !test_add(ram, cpu, 0x22, 0x7fffffff, 1, 1), "Testing the adder with overflow"); + mips_test_end_test(testId, !test_add(ram, cpu, SUB, 0x7fffffff, 1, 1), "Testing the adder with overflow"); testId = mips_test_begin_test("SUBU"); - mips_test_end_test(testId, test_add(ram, cpu, 0x23, 0x3fffffff, 0, 10), "Testing the adder without overflow"); + mips_test_end_test(testId, test_add(ram, cpu, SUBU, 0x3fffffff, 0, 10), "Testing the adder without overflow"); testId = mips_test_begin_test("SUBU"); - mips_test_end_test(testId, test_add(ram, cpu, 0x23, 0x7fffffff, 1, 1), "Testing the adder with overflow"); + mips_test_end_test(testId, test_add(ram, cpu, SUBU, 0x7fffffff, 1, 1), "Testing the adder with overflow"); + testId = mips_test_begin_test("AND"); + mips_test_end_test(testId, test_bitwise(ram, cpu, AND), "Testing bitwise and"); + + testId = mips_test_begin_test("OR"); + mips_test_end_test(testId, test_bitwise(ram, cpu, OR), "Testing bitwise or"); + + testId = mips_test_begin_test("XOR"); + mips_test_end_test(testId, test_bitwise(ram, cpu, XOR), "Testing bitwise xor"); mips_test_end_suite(); return 0; @@ -103,12 +111,12 @@ int test_add(mips_mem_h ram, mips_cpu_h cpu, uint32_t type, uint32_t max, uint8_ if(type < 0x22) { printf("%#10x + %#10x = %#10x\n", a, b, ans); - if(mips_err == mips_ExceptionArithmeticOverflow) { + if(mips_err == mips_ExceptionArithmeticOverflow || a+b!=ans) { return 0; } } else { printf("%#10x - %#10x = %#10x\n", a, b, ans); - if(mips_err == mips_ExceptionArithmeticOverflow) { + if(mips_err == mips_ExceptionArithmeticOverflow || a-b!=ans) { return 0; } } @@ -118,3 +126,48 @@ int test_add(mips_mem_h ram, mips_cpu_h cpu, uint32_t type, uint32_t max, uint8_ return 1; } +int test_bitwise(mips_mem_h ram, mips_cpu_h cpu, uint8_t op) { + uint32_t a, b, ans, inst; + int passed; + for(unsigned i = 0; i < 10; ++i) { + passed = 0; + mips_cpu_reset(cpu); + inst = gen_instruction(8, 9, 7, 0, op); + + a = rand() % 0xffffffff; + b = rand() % 0xffffffff; + + mips_mem_write(ram, 0, 4, (uint8_t*)&inst); + + mips_cpu_set_register(cpu, 8, a); + mips_cpu_set_register(cpu, 9, b); + + mips_error mips_err = mips_cpu_step(cpu); + + mips_cpu_get_register(cpu, 7, &ans); + + if(op == AND) { + printf("%#10x & %#10x = %#10x\n", a, b, ans); + if((a & b) == ans) { + passed = 1; + } + } else if(op == OR) { + printf("%#10x | %#10x = %#10x\n", a, b, ans); + if((a | b) == ans) { + passed = 1; + } + } else { + printf("%#10x ^ %#10x = %#10x\n", a, b, ans); + if((a ^ b) == ans) { + passed = 1; + } + } + + + if(mips_err != mips_Success || !passed) { + return 0; + } + } + return 1; +} + |