Esempio n. 1
0
        public override void Initialize(Processor rootProcessor)
        {
            DebugStub.Print("HalDevices.Initialize() - ARM\n");

            // PIC
            PnpConfig picConfig
                = (PnpConfig)IoSystem.YieldResources("/arm/ti/3430/INTCPS",
                                                     typeof(Pic));

            pic = new Pic(picConfig);
            pic.Initialize();

            // Timer
            PnpConfig timerConfig
                = (PnpConfig)IoSystem.YieldResources("/arm/ti/3430/GPTIMER1",
                                                     typeof(TimerOmap3430));

            timer = new TimerOmap3430(timerConfig, pic);
            byte timerInterrupt = timer.Initialize();

            // Real-time clock
            clock = new HalClockNull();
            byte clockInterrupt = clock.Initialize();
            bool noisyTimer     = false;

            CalibrateTimers.Run(clock, timer);

            SystemClock.Initialize(clock, TimeSpan.FromHours(8).Ticks);

            rootProcessor.AddPic(pic);

            rootProcessor.AddTimer(timerInterrupt, timer);
            rootProcessor.AddClock(clockInterrupt, clock);

            // ----------------------------------------------------------
            // Add Srat tables to the Processor
            halMemory = new HalMemoryNull();
            ProcessorNode.AddMemory(halMemory);

            timer.Start();

            halScreen      = new HalScreenNull();
            Console.Screen = (HalScreen)halScreen;
        }
Esempio n. 2
0
        public override void Initialize(Processor rootProcessor)
        {
            DebugStub.Print("HalDevices.Initialize() - Legacy\n");

            pmTimer = AcpiTables.GetPMTimer();

            // PIC
            PnpConfig picConfig
                = (PnpConfig)IoSystem.YieldResources("/pnp/PNP0000", typeof(Pic));

            pic = new Pic(picConfig);
            pic.Initialize();

            // Timer
            PnpConfig timerConfig
                = (PnpConfig)IoSystem.YieldResources("/pnp/PNP0100", typeof(Timer8254LegacyPC));

            timer = new Timer8254LegacyPC(timerConfig, pic);
            byte timerInterrupt = timer.Initialize();

            // Real-time clock
            PnpConfig clockConfig
                = (PnpConfig)IoSystem.YieldResources("/pnp/PNP0B00", typeof(RTClockLegacyPC));

            clock = new RTClockLegacyPC(clockConfig, pic, timer);
            byte clockInterrupt = clock.Initialize();

            bool noisyTimer = false;

            if (pmTimer != null)
            {
                noisyTimer = CalibrateTimers.Run(pmTimer, timer);
            }
            else
            {
                CalibrateTimers.Run(clock, timer);
            }

            clock.SetNoisyTimer(noisyTimer);
            clock.Start();

            SystemClock.Initialize(clock, TimeSpan.FromHours(8).Ticks);

            rootProcessor.AddPic(pic);
            rootProcessor.AddTimer(timerInterrupt, timer);
            rootProcessor.AddClock(clockInterrupt, clock);

            // ----------------------------------------------------------
            // Add Srat tables to the Processor
            halMemory = new HalMemorySrat(AcpiTables.GetSrat());
            Processor.AddMemory(halMemory);

            timer.Start();

            // Get the screen resources.  Since we have metadata above to
            // declare all fixed resources used by the screen,
            // YieldResources("") will keep the resource tracking correct:

            halScreen      = new HalScreenDirect(IoSystem.YieldResources("", typeof(HalScreen)));
            Console.Screen = (HalScreen)halScreen;
        }