public RiscVInstructionPythonEngine(BaseRiscV cpu, string pattern, string script = null, OptionalReadFilePath path = null)
{
if ((script == null && path == null) || (script != null && path != null))
{
throw new ConstructionException("Parameters 'script' and 'path' cannot be both set or both unset");
}
this.cpu = cpu;
this.pattern = pattern;
this.script = script;
this.path = path;
InnerInit();
Hook = (instr) =>
{
Scope.SetVariable("instruction", instr);
Execute(code, error =>
{
this.cpu.Log(LogLevel.Error, "Python runtime error: {0}", error);
throw new CpuAbortException($"Python runtime error: {error}");
});
};
}
public RiscVCsrPythonEngine(BaseRiscV cpu, ulong csr, bool initable, string script = null, OptionalReadFilePath path = null)
{
if ((script == null && path == null) || (script != null && path != null))
{
throw new ConstructionException("Parameters 'script' and 'path' cannot be both set or both unset");
}
this.cpu = cpu;
this.csr = csr;
this.script = script;
this.path = path;
this.initable = initable;
InnerInit();
CsrWriteHook = (value) =>
{
TryInit();
request.value = value;
request.type = CsrRequest.RequestType.WRITE;
Execute(code, error =>
{
this.cpu.Log(LogLevel.Error, "Python runtime error: {0}", error);
throw new CpuAbortException($"Python runtime error: {error}");
});
};
CsrReadHook = () =>
{
TryInit();
request.type = CsrRequest.RequestType.READ;
Execute(code, error =>
{
this.cpu.Log(LogLevel.Error, "Python runtime error: {0}", error);
throw new CpuAbortException($"Python runtime error: {error}");
});
return(request.value);
};
}
public void RegisterCPU(BaseRiscV cpu)
{
var hartId = (int)cpu.HartId;
if (cpus.ContainsKey(hartId))
{
throw new ConstructionException($"CPU with hart id {hartId} already registered in CLINT.");
}
if (cpus.ContainsValue(cpu))
{
throw new ConstructionException("CPU already registered in CLINT");
}
cpus.Add(hartId, cpu);
irqs[2 * hartId] = new GPIO();
irqs[2 * hartId + 1] = new GPIO();
var timer = new ComparingTimer(machine.ClockSource, timerFrequency, enabled: true, eventEnabled: true);
timer.CompareReached += () => irqs[2 * hartId + 1].Set(true);
mTimers.Add(hartId, timer);
}
public RiscVInstructionPythonEngine(BaseRiscV cpu, string pattern, string script = null, string path = null)
{
if ((script == null && path == null) || (script != null && path != null))
{
throw new ConstructionException("Parameters 'script' and 'path' cannot be both set or both unset");
}
this.cpu = cpu;
this.pattern = pattern;
this.script = script;
this.path = path;
InnerInit();
Hook = (instr) =>
{
Scope.SetVariable("instruction", instr);
source.Value.Execute(Scope);
};
}
public RiscVCsrPythonEngine(BaseRiscV cpu, ulong csr, bool initable, string script = null, string path = null)
{
if ((script == null && path == null) || (script != null && path != null))
{
throw new ConstructionException("Parameters 'script' and 'path' cannot be both set or both unset");
}
this.cpu = cpu;
this.csr = csr;
this.script = script;
this.path = path;
this.initable = initable;
InnerInit();
CsrWriteHook = (value) =>
{
TryInit();
request.value = value;
request.type = CsrRequest.RequestType.WRITE;
Source.Value.Execute(Scope);
};
CsrReadHook = () =>
{
TryInit();
request.type = CsrRequest.RequestType.READ;
Source.Value.Execute(Scope);
return(request.value);
};
}
public static void InstallCustomInstructionHandlerFromFile(this BaseRiscV cpu, string pattern, string path)
{
var engine = new RiscVInstructionPythonEngine(cpu, pattern, path: path);
cpu.InstallCustomInstruction(pattern, engine.Hook);
}
public static void InstallCustomInstructionHandlerFromString(this BaseRiscV cpu, string pattern, string pythonScript)
{
var engine = new RiscVInstructionPythonEngine(cpu, pattern, script: pythonScript);
cpu.InstallCustomInstruction(pattern, engine.Hook);
}
public static void RegisterCSRHandlerFromFile(this BaseRiscV cpu, ulong csr, string path, bool initable = false)
{
var engine = new RiscVCsrPythonEngine(cpu, csr, initable, path: path);
cpu.RegisterCSR(csr, engine.CsrReadHook, engine.CsrWriteHook);
}
public static void RegisterCSRHandlerFromString(this BaseRiscV cpu, ulong csr, string pythonScript, bool initable = false)
{
var engine = new RiscVCsrPythonEngine(cpu, csr, initable, script: pythonScript);
cpu.RegisterCSR(csr, engine.CsrReadHook, engine.CsrWriteHook);
}
