/////////////////////////////////////////////////////////////////////////////// // // Microsoft Research Singularity // // Copyright (c) Microsoft Corporation. All rights reserved. // // File: IdeBus.cs // // Creates IDE Bus device // Creates IDE controller devices as sub devices and registers with with the system // Creates two instances of the controller #define SUPPORT_MINIMAL_MATCH #define DONT_DISABLE_LEGACY_NFORCE_TO_HIDE_DVD using System; using System.Collections; using System.Threading; using Microsoft.Singularity.Channels; using Microsoft.Singularity.Io; using Microsoft.Singularity.Configuration; using Microsoft.Singularity.Drivers.IDE; namespace Microsoft.Singularity.Drivers.IDE { // create the resource objects for CTR to fill in // CTR will have to figure out which class to use... [DriverCategory] [Signature("pci/cc_0101")] #if DONT_DISABLE_LEGACY_NFORCE_TO_HIDE_DVD [Signature("pci/ven_10de&dev_0053&cc_0101")] // nForce4 [Signature("pci/ven_10de&dev_0035&cc_0101")] // nForce4 Intel Edition #endif [EnumeratesDevice("/ata/controller")] internal class LegacyIdeBus : DriverCategoryDeclaration { [IoPortRange(4, Default = 0xffa0, Length = 0x10, Shared = true)] IoPortRange port1; [IoFixedIrqRange(Base = 14, Shared = true)] IoIrqRange primaryIrq; [IoFixedIrqRange(Base = 15, Shared = true)] IoIrqRange secondaryIrq; // Provide to unify creation. public static IDevice! DeviceCreate(IoConfig! config, String! instanceName) { return new IdeBus((PciDeviceConfig)config); } } [DriverCategory] [Signature("pci/ven_10de&dev_0054&cc_0101")] // nForce4 [Signature("pci/ven_10de&dev_0055&cc_0101")] // nForce4 [Signature("pci/ven_10de&dev_0036&cc_0101")] // nForce4 Intel Edition [Signature("pci/ven_10d3&dev_003e&cc_0101")] // nForce4 Intel Edition #if DELL490_IS_FIXED // TODO: fixme [Signature("pci/ven_8086&dev_2680&cc_0101")] // Intel 3100 SATA in ATA mode [Signature("pci/ven_8086&dev_269e&cc_0101")] // Intel 3100 Legacy (DELL 490) #endif [EnumeratesDevice("/ata/controller")] internal class NvIdeBus : DriverCategoryDeclaration { // TODO: Should all of these be shared? [IoPortRange(0, Default = 0x09f0, Length = 0x08, Shared = true)] IoPortRange port1; [IoPortRange(1, Default = 0x0bf0, Length = 0x04, Shared = true)] IoPortRange port2; [IoPortRange(2, Default = 0x0970, Length = 0x08, Shared = true)] IoPortRange port3; [IoPortRange(3, Default = 0x0b70, Length = 0x04, Shared = true)] IoPortRange port4; [IoPortRange(4, Default = 0xf600, Length = 0x10, Shared = true)] IoPortRange port5; [IoIrqRange(6, Default = 0x0b, Shared = true)] IoIrqRange irq1; // Provide to unify creation. public static IDevice! DeviceCreate(IoConfig! config, String! name) { return new IdeBus((PciDeviceConfig)config); } } [DriverCategory] [Signature("pci/ven_10de&dev_037f&cc_0101")] // new motherboardx [EnumeratesDevice("/ata/controller")] internal class TyanIdeBus : DriverCategoryDeclaration { [IoPortRange(0, Default = 0x24d0, Length = 0x08, Shared = true)] IoPortRange port1; [IoPortRange(1, Default = 0x24c4, Length = 0x04, Shared = true)] IoPortRange port2; [IoPortRange(2, Default = 0x24c8, Length = 0x08, Shared = true)] IoPortRange port3; [IoPortRange(3, Default = 0x24c0, Length = 0x04, Shared = true)] IoPortRange port4; [IoPortRange(4, Default = 0x2490, Length = 0x10, Shared = true)] IoPortRange port5; [IoIrqRange(6, Default = 0x07, Shared = true)] IoIrqRange irq1; // Provide to unify creation. public static IDevice! DeviceCreate(IoConfig! config, String! name) { return new IdeBus((PciDeviceConfig)config); } } [CLSCompliant(false)] public class IdeBus : IBusDevice { private PciDeviceConfig! config; private PnpConfig primaryConfig; private PnpConfig secondaryConfig; const uint PCI_CONFIG_Command_IOE = 0x1; const uint PCI_CONFIG_PI_PrimaryMode = 0x1; // NATIVE, ~compatible const uint PCI_CONFIG_PI_PrimaryFixed = 0x2; // DYNAMIC, ~fixed const uint PCI_CONFIG_PI_SecondaryMode = 0x4; // NATIVE, ~compatible const uint PCI_CONFIG_PI_SecondaryFixed = 0x8; // DYNAMIC, ~fixed public IdeBus(PciDeviceConfig! config) { //DebugStub.Print("IdeBus: Device instantiated.\n"); this.config = config; } public void Initialize() { // 0: irq, 1: command, 2: control, 3: dma IoRange[] primary = new IoRange[4]; IoRange[] secondary = new IoRange[4]; DebugStub.Print("IdeBus: Initializing device {0:x8}, vendor {1:x8}, config: {2}\n", __arglist( (ulong)config.DeviceId, (ulong)config.VendorId, config.ToString())); // First, Check to see if the IDE controller is active by checking the // IO enable bit in the PCI configspace Command Register. // For the moment we are assuming that Read32() is handling endian issues // for us. config.IoSpaceEnabled = true; // Read the Programming Interface (PI) Register from the PCI configuration space byte programmingInterfaceValue = config.Read8(0x9); // The high bit in the PI indicates the presence of bus-master DMA. assert config.DynamicRanges != null; if ((programmingInterfaceValue & 0x80) > 0 && config.DynamicRanges[4] as IoPortRange != null) { IoPortRange! range = (IoPortRange!)(config.DynamicRanges[4]); primary[3] = range.RangeAtOffset(0, 8, true, true); secondary[3] = range.RangeAtOffset(8, 8, true, true); DebugStub.Print("IdeBus: Interface supports BusMaster DMA, at {0}\n", __arglist(range.ToString())); } // Next we decode the Native/Compat bits from the PI register if ((programmingInterfaceValue & PCI_CONFIG_PI_PrimaryMode) > 0) { //DebugStub.Print("Using Native mode PI={0:x2}\n",__arglist(programmingInterfaceValue)); primary[0] = config.GetIrq(); secondary[0] = config.GetIrq(); primary[1] = config.DynamicRanges[0]; primary[2] = config.DynamicRanges[1]; secondary[1] = config.DynamicRanges[2]; secondary[2] = config.DynamicRanges[3]; uint ideChannelConfig = config.Read32(0x50); Tracing.Log(Tracing.Debug,"Channel Config= {0:x8}\n", (UIntPtr)ideChannelConfig); } else { //compat mode primary[0] = new IoIrqRange(14, 1); secondary[0] = new IoIrqRange(15, 1); primary[1] = new IoPortRange(0x1F0, 8, Access.ReadWrite); primary[2] = new IoPortRange(0x3F4, 4, Access.ReadWrite); secondary[1] = new IoPortRange(0x170, 8, Access.ReadWrite); secondary[2] = new IoPortRange(0x374, 4, Access.ReadWrite); } primaryConfig = new PnpConfig(new string[] { "/ata/controller" }, primary); secondaryConfig = new PnpConfig(new string[] { "/ata/controller" }, secondary); } public void Finalize() { DebugStub.Print("IdeBus: Finalized.\n"); } public SortedList Enumerate() { SortedList found = new SortedList(); found.Add("/controller0", primaryConfig); found.Add("/controller1", secondaryConfig); //FIXFIX: need to figure out why shared interrupt is not working. Post SOSP //found.Add("/secondary",secondaryConfig); return found; } } }