public override bool Mark(RexSimulator.Hardware.RexBoard mBoard)
{
if (SupressReset)
{
return(true);
}
mBoard.CPU.mGpRegisters[RexSimulator.Hardware.Wramp.RegisterFile.GpRegister.sp] = 0x03b7f; //sensible value for the stack pointer
mBoard.CPU.mGpRegisters[RexSimulator.Hardware.Wramp.RegisterFile.GpRegister.ra] = 0x80000; //when the CPU tries to jump here, the test is over.
mBoard.CPU.mSpRegisters[RexSimulator.Hardware.Wramp.RegisterFile.SpRegister.evec] = 0x80000; //when the CPU tries to jump here, the test is over (should jal to exit, which is syscall).
return(true);
}
public override bool Mark(RexSimulator.Hardware.RexBoard mBoard)
{
mBoard.Serial2.SerialDataTransmitted += new EventHandler <RexSimulator.Hardware.Rex.SerialIO.SerialEventArgs>(Serial2_SerialDataTransmitted);
program_start = mBoard.CPU.PC;
//Use a reasonable value for the old exception vector
mBoard.CPU.mSpRegisters[RegisterFile.SpRegister.evec] = TEST_EVEC;
Wag(mBoard);
//Ensure the cctrl and evec are fine.
if ((mBoard.CPU.mSpRegisters[RegisterFile.SpRegister.cctrl] & 0x000002E2) != (ExpectedCCTRL & 0x000002E2)) //don't care if the interrupts for SP1 or the unused stuff are on or off
{
mMessage += string.Format("$cctrl was not set to the correct value: was 0x{0:X8}\r\n", mBoard.CPU.mSpRegisters[RegisterFile.SpRegister.cctrl]);
return(false);
}
if (mBoard.CPU.mSpRegisters[RegisterFile.SpRegister.evec] >= WRAMPMON_ADDRESS)
{
mMessage += "$evec still points to the original exception handler.\r\n";
return(false);
}
//Perform question-specific tests
if (!DoSubTest(mBoard))
{
return(false);
}
mBoard.CPU.InterruptStatus |= 0x1000; //raise a GPF exception
for (int i = 0; i < CLOCK_CYCLE_LIMIT; i++)
{
mBoard.Tick();
if (mBoard.CPU.PC >= WRAMPMON_ADDRESS)
{
break;
}
}
if (mBoard.CPU.PC != TEST_EVEC && mBoard.CPU.PC != TEST_EVEC + 1)
{
mMessage += "Did not jump to the default exception handler to handle a GPF exception. Are you saving $evec correctly?\r\n";
return(false);
}
return(true);
}
public override bool Mark(RexSimulator.Hardware.RexBoard mBoard)
{
//Allow some setup code to run
for (int i = 0; i < 1e6; i++)
{
mBoard.Tick();
}
bool passed = true;
for (uint i = 0; i <= 0xff; i++)
{
uint expected = GetExpected(i);
passed &= Test(i, expected, mBoard);
}
return(passed);
}
public override bool Mark(RexSimulator.Hardware.RexBoard mBoard)
{
// Initialise
base.Mark(mBoard);
uint[] testCases =
{
0x0000, 0xffff, 0x5a5a, 0xa5a5, 0x1f1f, 0xf4f4,
0x000F, 0x00F0, 0x0F00, 0xF000, 0x00FF, 0xFF00,
0x0000, 0xFFFF, 0x0F0F, 0xF0F0, 0xA5A5, 0x5A5A,
0xdead, 0xbeef, 0xf00d, 0x1234, 0xF080, 0x80F0,
};
// Allow some setup code to run
for (int i = 0; i < 1e6; i++)
{
mBoard.Tick();
}
// Functional buttons
foreach (uint testCase in testCases)
{
if (!RunParallelTestCase(mBoard, testCase))
{
return(false);
}
}
// Exit button
mBoard.Parallel.Buttons = 4;
Tick(mBoard);
if (mBoard.CPU.PC < 0x80000)
{
mMessage += "Program did not properly terminate when button 3 was pressed.\r\n";
return(false);
}
return(true);
}