Add host tracked memory manager mode
This commit is contained in:
Gabriel A
parent
1217a8e69b
commit
edfc13d771
26 changed files with 2590 additions and 58 deletions
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@ -157,7 +157,7 @@ namespace ARMeilleure.Instructions
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context.Copy(temp, value);
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if (!context.Memory.Type.IsHostMapped())
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if (!context.Memory.Type.IsHostMappedOrTracked())
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{
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context.Branch(lblEnd);
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@ -198,7 +198,7 @@ namespace ARMeilleure.Instructions
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SetInt(context, rt, value);
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if (!context.Memory.Type.IsHostMapped())
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if (!context.Memory.Type.IsHostMappedOrTracked())
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{
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context.Branch(lblEnd);
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@ -265,7 +265,7 @@ namespace ARMeilleure.Instructions
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context.Copy(GetVec(rt), value);
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if (!context.Memory.Type.IsHostMapped())
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if (!context.Memory.Type.IsHostMappedOrTracked())
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{
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context.Branch(lblEnd);
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@ -312,7 +312,7 @@ namespace ARMeilleure.Instructions
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break;
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}
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if (!context.Memory.Type.IsHostMapped())
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if (!context.Memory.Type.IsHostMappedOrTracked())
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{
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context.Branch(lblEnd);
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@ -385,7 +385,7 @@ namespace ARMeilleure.Instructions
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break;
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}
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if (!context.Memory.Type.IsHostMapped())
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if (!context.Memory.Type.IsHostMappedOrTracked())
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{
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context.Branch(lblEnd);
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@ -403,6 +403,27 @@ namespace ARMeilleure.Instructions
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{
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return EmitHostMappedPointer(context, address);
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}
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else if (context.Memory.Type.IsHostTracked())
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{
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if (address.Type == OperandType.I32)
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{
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address = context.ZeroExtend32(OperandType.I64, address);
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}
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if (context.Memory.Type == MemoryManagerType.HostTracked)
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{
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Operand mask = Const(ulong.MaxValue >> (64 - context.Memory.AddressSpaceBits));
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address = context.BitwiseAnd(address, mask);
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}
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Operand ptBase = !context.HasPtc
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? Const(context.Memory.PageTablePointer.ToInt64())
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: Const(context.Memory.PageTablePointer.ToInt64(), Ptc.PageTableSymbol);
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Operand ptOffset = context.ShiftRightUI(address, Const(PageBits));
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return context.Add(address, context.Load(OperandType.I64, context.Add(ptBase, context.ShiftLeft(ptOffset, Const(3)))));
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}
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int ptLevelBits = context.Memory.AddressSpaceBits - PageBits;
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int ptLevelSize = 1 << ptLevelBits;
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@ -18,6 +18,18 @@ namespace ARMeilleure.Memory
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/// </summary>
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SoftwarePageTable,
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/// <summary>
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/// High level implementation using a software flat page table for address translation
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/// with no support for handling invalid or non-contiguous memory access.
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/// </summary>
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HostTracked,
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/// <summary>
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/// High level implementation using a software flat page table for address translation
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/// without masking the address and no support for handling invalid or non-contiguous memory access.
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/// </summary>
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HostTrackedUnsafe,
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/// <summary>
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/// High level implementation with mappings managed by the host OS, effectively using hardware
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/// page tables. No address translation is performed in software and the memory is just accessed directly.
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@ -37,5 +49,15 @@ namespace ARMeilleure.Memory
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{
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return type == MemoryManagerType.HostMapped || type == MemoryManagerType.HostMappedUnsafe;
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}
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public static bool IsHostTracked(this MemoryManagerType type)
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{
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return type == MemoryManagerType.HostTracked || type == MemoryManagerType.HostTrackedUnsafe;
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}
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public static bool IsHostMappedOrTracked(this MemoryManagerType type)
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{
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return type.IsHostMapped() || type.IsHostTracked();
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}
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}
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}
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@ -21,10 +21,8 @@ namespace ARMeilleure.Signal
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private const uint EXCEPTION_ACCESS_VIOLATION = 0xc0000005;
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private static Operand EmitGenericRegionCheck(EmitterContext context, IntPtr signalStructPtr, Operand faultAddress, Operand isWrite, int rangeStructSize, ulong pageSize)
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private static Operand EmitGenericRegionCheck(EmitterContext context, IntPtr signalStructPtr, Operand faultAddress, Operand isWrite, int rangeStructSize)
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{
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ulong pageMask = pageSize - 1;
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Operand inRegionLocal = context.AllocateLocal(OperandType.I32);
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context.Copy(inRegionLocal, Const(0));
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@ -51,7 +49,7 @@ namespace ARMeilleure.Signal
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// Only call tracking if in range.
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context.BranchIfFalse(nextLabel, inRange, BasicBlockFrequency.Cold);
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Operand offset = context.BitwiseAnd(context.Subtract(faultAddress, rangeAddress), Const(~pageMask));
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Operand offset = context.Subtract(faultAddress, rangeAddress);
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// Call the tracking action, with the pointer's relative offset to the base address.
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Operand trackingActionPtr = context.Load(OperandType.I64, Const((ulong)signalStructPtr + rangeBaseOffset + 20));
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@ -62,8 +60,10 @@ namespace ARMeilleure.Signal
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// Tracking action should be non-null to call it, otherwise assume false return.
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context.BranchIfFalse(skipActionLabel, trackingActionPtr);
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Operand result = context.Call(trackingActionPtr, OperandType.I32, offset, Const(pageSize), isWrite);
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context.Copy(inRegionLocal, result);
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Operand result = context.Call(trackingActionPtr, OperandType.I64, offset, Const(1UL), isWrite);
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context.Copy(inRegionLocal, context.ICompareNotEqual(result, Const(0UL)));
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GenerateFaultAddressPatchCode(context, faultAddress, result);
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context.MarkLabel(skipActionLabel);
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@ -155,7 +155,7 @@ namespace ARMeilleure.Signal
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throw new PlatformNotSupportedException();
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}
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public static byte[] GenerateUnixSignalHandler(IntPtr signalStructPtr, int rangeStructSize, ulong pageSize)
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public static byte[] GenerateUnixSignalHandler(IntPtr signalStructPtr, int rangeStructSize)
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{
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EmitterContext context = new();
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@ -168,7 +168,7 @@ namespace ARMeilleure.Signal
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Operand isWrite = context.ICompareNotEqual(writeFlag, Const(0L)); // Normalize to 0/1.
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Operand isInRegion = EmitGenericRegionCheck(context, signalStructPtr, faultAddress, isWrite, rangeStructSize, pageSize);
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Operand isInRegion = EmitGenericRegionCheck(context, signalStructPtr, faultAddress, isWrite, rangeStructSize);
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Operand endLabel = Label();
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@ -203,7 +203,7 @@ namespace ARMeilleure.Signal
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return Compiler.Compile(cfg, argTypes, OperandType.None, CompilerOptions.HighCq, RuntimeInformation.ProcessArchitecture).Code;
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}
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public static byte[] GenerateWindowsSignalHandler(IntPtr signalStructPtr, int rangeStructSize, ulong pageSize)
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public static byte[] GenerateWindowsSignalHandler(IntPtr signalStructPtr, int rangeStructSize)
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{
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EmitterContext context = new();
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@ -232,7 +232,7 @@ namespace ARMeilleure.Signal
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Operand isWrite = context.ICompareNotEqual(writeFlag, Const(0L)); // Normalize to 0/1.
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Operand isInRegion = EmitGenericRegionCheck(context, signalStructPtr, faultAddress, isWrite, rangeStructSize, pageSize);
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Operand isInRegion = EmitGenericRegionCheck(context, signalStructPtr, faultAddress, isWrite, rangeStructSize);
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Operand endLabel = Label();
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@ -256,5 +256,86 @@ namespace ARMeilleure.Signal
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return Compiler.Compile(cfg, argTypes, OperandType.I32, CompilerOptions.HighCq, RuntimeInformation.ProcessArchitecture).Code;
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}
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private static void GenerateFaultAddressPatchCode(EmitterContext context, Operand faultAddress, Operand newAddress)
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{
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if (RuntimeInformation.ProcessArchitecture == Architecture.Arm64)
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{
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if (SupportsFaultAddressPatchingForHostOs())
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{
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Operand lblSkip = Label();
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context.BranchIf(lblSkip, faultAddress, newAddress, Comparison.Equal);
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Operand ucontextPtr = context.LoadArgument(OperandType.I64, 2);
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Operand pcCtxAddress = default;
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ulong baseRegsOffset = 0;
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if (OperatingSystem.IsLinux())
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{
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pcCtxAddress = context.Add(ucontextPtr, Const(440UL));
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baseRegsOffset = 184UL;
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}
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else if (OperatingSystem.IsMacOS() || OperatingSystem.IsIOS())
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{
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ucontextPtr = context.Load(OperandType.I64, context.Add(ucontextPtr, Const(48UL)));
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pcCtxAddress = context.Add(ucontextPtr, Const(272UL));
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baseRegsOffset = 16UL;
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}
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Operand pc = context.Load(OperandType.I64, pcCtxAddress);
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Operand reg = GetAddressRegisterFromArm64Instruction(context, pc);
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Operand reg64 = context.ZeroExtend32(OperandType.I64, reg);
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Operand regCtxAddress = context.Add(ucontextPtr, context.Add(context.ShiftLeft(reg64, Const(3)), Const(baseRegsOffset)));
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Operand regAddress = context.Load(OperandType.I64, regCtxAddress);
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Operand addressDelta = context.Subtract(regAddress, faultAddress);
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context.Store(regCtxAddress, context.Add(newAddress, addressDelta));
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context.MarkLabel(lblSkip);
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}
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}
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}
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private static Operand GetAddressRegisterFromArm64Instruction(EmitterContext context, Operand pc)
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{
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Operand inst = context.Load(OperandType.I32, pc);
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Operand reg = context.AllocateLocal(OperandType.I32);
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Operand isSysInst = context.ICompareEqual(context.BitwiseAnd(inst, Const(0xFFF80000)), Const(0xD5080000));
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Operand lblSys = Label();
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Operand lblEnd = Label();
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context.BranchIfTrue(lblSys, isSysInst, BasicBlockFrequency.Cold);
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context.Copy(reg, context.BitwiseAnd(context.ShiftRightUI(inst, Const(5)), Const(0x1F)));
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context.Branch(lblEnd);
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context.MarkLabel(lblSys);
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context.Copy(reg, context.BitwiseAnd(inst, Const(0x1F)));
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context.MarkLabel(lblEnd);
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return reg;
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}
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public static bool SupportsFaultAddressPatchingForHost()
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{
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return SupportsFaultAddressPatchingForHostArch() && SupportsFaultAddressPatchingForHostOs();
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}
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private static bool SupportsFaultAddressPatchingForHostArch()
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{
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return RuntimeInformation.ProcessArchitecture == Architecture.Arm64;
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}
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private static bool SupportsFaultAddressPatchingForHostOs()
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{
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return OperatingSystem.IsLinux() || OperatingSystem.IsMacOS() || OperatingSystem.IsIOS();
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}
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}
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}
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@ -114,7 +114,7 @@ namespace ARMeilleure.Translation.Cache
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{
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int stackOffset = entry.StackOffsetOrAllocSize;
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Debug.Assert(stackOffset % 16 == 0);
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// Debug.Assert(stackOffset % 16 == 0);
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if (stackOffset <= 0xFFFF0)
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{
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@ -135,7 +135,7 @@ namespace ARMeilleure.Translation.Cache
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{
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int allocSize = entry.StackOffsetOrAllocSize;
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Debug.Assert(allocSize % 8 == 0);
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// Debug.Assert(allocSize % 8 == 0);
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if (allocSize <= 128)
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{
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@ -38,7 +38,7 @@ namespace Ryujinx.Cpu.AppleHv
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private readonly HvIpaAllocator _ipaAllocator;
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public HvMemoryBlockAllocator(HvIpaAllocator ipaAllocator, int blockAlignment) : base(blockAlignment, MemoryAllocationFlags.None)
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public HvMemoryBlockAllocator(HvIpaAllocator ipaAllocator, ulong blockAlignment) : base(blockAlignment, MemoryAllocationFlags.None)
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{
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_ipaAllocator = ipaAllocator;
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}
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768
src/Ryujinx.Cpu/Jit/AddressSpacePartition.cs
Normal file
768
src/Ryujinx.Cpu/Jit/AddressSpacePartition.cs
Normal file
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@ -0,0 +1,768 @@
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using Ryujinx.Common;
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using Ryujinx.Common.Collections;
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using Ryujinx.Memory;
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using System;
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using System.Diagnostics;
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using System.Threading;
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namespace Ryujinx.Cpu.Jit
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{
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readonly struct PrivateRange
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{
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public readonly MemoryBlock Memory;
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public readonly ulong Offset;
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public readonly ulong Size;
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public static PrivateRange Empty => new(null, 0, 0);
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public PrivateRange(MemoryBlock memory, ulong offset, ulong size)
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{
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Memory = memory;
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Offset = offset;
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Size = size;
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}
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}
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class AddressSpacePartition : IDisposable
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{
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public const ulong GuestPageSize = 0x1000;
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private const int DefaultBlockAlignment = 1 << 20;
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private enum MappingType : byte
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{
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None,
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Private,
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}
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private class Mapping : IntrusiveRedBlackTreeNode<Mapping>, IComparable<Mapping>
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{
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public ulong Address { get; private set; }
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public ulong Size { get; private set; }
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public ulong EndAddress => Address + Size;
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public MappingType Type { get; private set; }
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public Mapping(ulong address, ulong size, MappingType type)
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{
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Address = address;
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Size = size;
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Type = type;
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}
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public Mapping Split(ulong splitAddress)
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{
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ulong leftSize = splitAddress - Address;
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ulong rightSize = EndAddress - splitAddress;
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Mapping left = new(Address, leftSize, Type);
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Address = splitAddress;
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Size = rightSize;
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return left;
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}
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public void UpdateState(MappingType newType)
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{
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Type = newType;
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}
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public void Extend(ulong sizeDelta)
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{
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Size += sizeDelta;
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}
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public int CompareTo(Mapping other)
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{
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if (Address < other.Address)
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{
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return -1;
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}
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else if (Address <= other.EndAddress - 1UL)
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{
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return 0;
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}
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else
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{
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return 1;
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}
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}
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}
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private class PrivateMapping : IntrusiveRedBlackTreeNode<PrivateMapping>, IComparable<PrivateMapping>
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{
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public ulong Address { get; private set; }
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public ulong Size { get; private set; }
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public ulong EndAddress => Address + Size;
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public PrivateMemoryAllocation PrivateAllocation { get; private set; }
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public PrivateMapping(ulong address, ulong size, PrivateMemoryAllocation privateAllocation)
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{
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Address = address;
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Size = size;
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PrivateAllocation = privateAllocation;
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}
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public PrivateMapping Split(ulong splitAddress)
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{
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ulong leftSize = splitAddress - Address;
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ulong rightSize = EndAddress - splitAddress;
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Debug.Assert(leftSize > 0);
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Debug.Assert(rightSize > 0);
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(var leftAllocation, PrivateAllocation) = PrivateAllocation.Split(leftSize);
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PrivateMapping left = new(Address, leftSize, leftAllocation);
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Address = splitAddress;
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Size = rightSize;
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return left;
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}
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public void Map(AddressSpacePartitionMultiAllocation baseBlock, ulong baseAddress, PrivateMemoryAllocation newAllocation)
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{
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baseBlock.MapView(newAllocation.Memory, newAllocation.Offset, Address - baseAddress, Size);
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PrivateAllocation = newAllocation;
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}
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public void Unmap(AddressSpacePartitionMultiAllocation baseBlock, ulong baseAddress)
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{
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if (PrivateAllocation.IsValid)
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{
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baseBlock.UnmapView(PrivateAllocation.Memory, Address - baseAddress, Size);
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PrivateAllocation.Dispose();
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}
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PrivateAllocation = default;
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}
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public void Extend(ulong sizeDelta)
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{
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Size += sizeDelta;
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}
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public int CompareTo(PrivateMapping other)
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{
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if (Address < other.Address)
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{
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return -1;
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}
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else if (Address <= other.EndAddress - 1UL)
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{
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return 0;
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}
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else
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{
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return 1;
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}
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}
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}
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private readonly MemoryBlock _backingMemory;
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private readonly AddressSpacePartitionMultiAllocation _baseMemory;
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private readonly PrivateMemoryAllocator _privateMemoryAllocator;
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private readonly IntrusiveRedBlackTree<Mapping> _mappingTree;
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private readonly IntrusiveRedBlackTree<PrivateMapping> _privateTree;
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private readonly ReaderWriterLockSlim _treeLock;
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private readonly ulong _hostPageSize;
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private ulong? _firstPagePa;
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private ulong? _lastPagePa;
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private ulong _cachedFirstPagePa;
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private ulong _cachedLastPagePa;
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private MemoryBlock _firstPageMemoryForUnmap;
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private MemoryBlock _lastPageMemoryForUnmap;
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private bool _hasBridgeAtEnd;
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private MemoryPermission _lastPageProtection;
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public ulong Address { get; }
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public ulong Size { get; }
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public ulong EndAddress => Address + Size;
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public AddressSpacePartition(AddressSpacePartitionAllocation baseMemory, MemoryBlock backingMemory, ulong address, ulong size)
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{
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_privateMemoryAllocator = new PrivateMemoryAllocator(DefaultBlockAlignment, MemoryAllocationFlags.Mirrorable);
|
||||
_mappingTree = new IntrusiveRedBlackTree<Mapping>();
|
||||
_privateTree = new IntrusiveRedBlackTree<PrivateMapping>();
|
||||
_treeLock = new ReaderWriterLockSlim();
|
||||
|
||||
_mappingTree.Add(new Mapping(address, size, MappingType.None));
|
||||
_privateTree.Add(new PrivateMapping(address, size, default));
|
||||
|
||||
_hostPageSize = MemoryBlock.GetPageSize();
|
||||
|
||||
_backingMemory = backingMemory;
|
||||
_baseMemory = new(baseMemory);
|
||||
|
||||
_cachedFirstPagePa = ulong.MaxValue;
|
||||
_cachedLastPagePa = ulong.MaxValue;
|
||||
_lastPageProtection = MemoryPermission.ReadAndWrite;
|
||||
|
||||
Address = address;
|
||||
Size = size;
|
||||
}
|
||||
|
||||
public bool IsEmpty()
|
||||
{
|
||||
_treeLock.EnterReadLock();
|
||||
|
||||
try
|
||||
{
|
||||
Mapping map = _mappingTree.GetNode(new Mapping(Address, Size, MappingType.None));
|
||||
|
||||
return map != null && map.Address == Address && map.Size == Size && map.Type == MappingType.None;
|
||||
}
|
||||
finally
|
||||
{
|
||||
_treeLock.ExitReadLock();
|
||||
}
|
||||
}
|
||||
|
||||
public void Map(ulong va, ulong pa, ulong size)
|
||||
{
|
||||
Debug.Assert(va >= Address);
|
||||
Debug.Assert(va + size <= EndAddress);
|
||||
|
||||
if (va == Address)
|
||||
{
|
||||
_firstPagePa = pa;
|
||||
}
|
||||
|
||||
if (va <= EndAddress - GuestPageSize && va + size > EndAddress - GuestPageSize)
|
||||
{
|
||||
_lastPagePa = pa + ((EndAddress - GuestPageSize) - va);
|
||||
}
|
||||
|
||||
Update(va, pa, size, MappingType.Private);
|
||||
}
|
||||
|
||||
public void Unmap(ulong va, ulong size)
|
||||
{
|
||||
Debug.Assert(va >= Address);
|
||||
Debug.Assert(va + size <= EndAddress);
|
||||
|
||||
if (va == Address)
|
||||
{
|
||||
_firstPagePa = null;
|
||||
}
|
||||
|
||||
if (va <= EndAddress - GuestPageSize && va + size > EndAddress - GuestPageSize)
|
||||
{
|
||||
_lastPagePa = null;
|
||||
}
|
||||
|
||||
Update(va, 0UL, size, MappingType.None);
|
||||
}
|
||||
|
||||
public void ReprotectAligned(ulong va, ulong size, MemoryPermission protection)
|
||||
{
|
||||
Debug.Assert(va >= Address);
|
||||
Debug.Assert(va + size <= EndAddress);
|
||||
|
||||
_baseMemory.Reprotect(va - Address, size, protection, false);
|
||||
|
||||
if (va + size > EndAddress - _hostPageSize)
|
||||
{
|
||||
// Protections at the last page also applies to the bridge, if we have one.
|
||||
// (This is because last page access is always done on the bridge, not on our base mapping,
|
||||
// for the cases where access crosses a page boundary and reaches the non-contiguous next mapping).
|
||||
|
||||
if (_hasBridgeAtEnd)
|
||||
{
|
||||
_baseMemory.Reprotect(Size, _hostPageSize, protection, false);
|
||||
}
|
||||
|
||||
_lastPageProtection = protection;
|
||||
}
|
||||
}
|
||||
|
||||
public void Reprotect(
|
||||
ulong va,
|
||||
ulong size,
|
||||
MemoryPermission protection,
|
||||
AddressSpacePartitioned addressSpace,
|
||||
Action<ulong, IntPtr, ulong> updatePtCallback)
|
||||
{
|
||||
if (_baseMemory.LazyInitMirrorForProtection(addressSpace, Address, Size, protection))
|
||||
{
|
||||
LateMap();
|
||||
}
|
||||
|
||||
updatePtCallback(va, _baseMemory.GetPointerForProtection(va - Address, size, protection), size);
|
||||
|
||||
if (va + size > EndAddress - GuestPageSize)
|
||||
{
|
||||
// Protections at the last page also applies to the bridge, if we have one.
|
||||
// (This is because last page access is always done on the bridge, not on our base mapping,
|
||||
// for the cases where access crosses a page boundary and reaches the non-contiguous next mapping).
|
||||
|
||||
if (_hasBridgeAtEnd)
|
||||
{
|
||||
IntPtr ptPtr = _baseMemory.GetPointerForProtection(Size, _hostPageSize, protection);
|
||||
|
||||
updatePtCallback(EndAddress - GuestPageSize, ptPtr + (IntPtr)(_hostPageSize - GuestPageSize), GuestPageSize);
|
||||
}
|
||||
|
||||
_lastPageProtection = protection;
|
||||
}
|
||||
}
|
||||
|
||||
public IntPtr GetPointer(ulong va, ulong size)
|
||||
{
|
||||
Debug.Assert(va >= Address);
|
||||
Debug.Assert(va + size <= EndAddress);
|
||||
|
||||
if (va >= EndAddress - _hostPageSize && _hasBridgeAtEnd)
|
||||
{
|
||||
return _baseMemory.GetPointer(Size + va - (EndAddress - _hostPageSize), size);
|
||||
}
|
||||
|
||||
return _baseMemory.GetPointer(va - Address, size);
|
||||
}
|
||||
|
||||
public void InsertBridgeAtEnd(AddressSpacePartition partitionAfter, Action<ulong, IntPtr, ulong> updatePtCallback, bool useProtectionMirrors)
|
||||
{
|
||||
ulong firstPagePa = partitionAfter._firstPagePa ?? ulong.MaxValue;
|
||||
ulong lastPagePa = _lastPagePa ?? ulong.MaxValue;
|
||||
|
||||
if (firstPagePa != _cachedFirstPagePa || lastPagePa != _cachedLastPagePa)
|
||||
{
|
||||
if (partitionAfter._firstPagePa.HasValue && _lastPagePa.HasValue)
|
||||
{
|
||||
(MemoryBlock firstPageMemory, ulong firstPageOffset) = partitionAfter.GetFirstPageMemoryAndOffset();
|
||||
(MemoryBlock lastPageMemory, ulong lastPageOffset) = GetLastPageMemoryAndOffset();
|
||||
|
||||
_baseMemory.MapView(lastPageMemory, lastPageOffset, Size, _hostPageSize);
|
||||
_baseMemory.MapView(firstPageMemory, firstPageOffset, Size + _hostPageSize, _hostPageSize);
|
||||
|
||||
IntPtr ptPtr;
|
||||
|
||||
if (useProtectionMirrors)
|
||||
{
|
||||
ptPtr = _baseMemory.GetPointerForProtection(Size, _hostPageSize, _lastPageProtection);
|
||||
}
|
||||
else
|
||||
{
|
||||
_baseMemory.Reprotect(Size, _hostPageSize, _lastPageProtection, false);
|
||||
|
||||
ptPtr = _baseMemory.GetPointer(Size, _hostPageSize);;
|
||||
}
|
||||
|
||||
updatePtCallback(EndAddress - GuestPageSize, ptPtr + (IntPtr)(_hostPageSize - GuestPageSize), GuestPageSize);
|
||||
|
||||
_firstPageMemoryForUnmap = firstPageMemory;
|
||||
_lastPageMemoryForUnmap = lastPageMemory;
|
||||
_hasBridgeAtEnd = true;
|
||||
}
|
||||
else
|
||||
{
|
||||
IntPtr ptPtr = useProtectionMirrors
|
||||
? _baseMemory.GetPointerForProtection(Size - _hostPageSize, _hostPageSize, _lastPageProtection)
|
||||
: _baseMemory.GetPointer(Size - _hostPageSize, _hostPageSize);
|
||||
|
||||
updatePtCallback(EndAddress - GuestPageSize, ptPtr + (IntPtr)(_hostPageSize - GuestPageSize), GuestPageSize);
|
||||
|
||||
MemoryBlock firstPageMemoryForUnmap = _firstPageMemoryForUnmap;
|
||||
MemoryBlock lastPageMemoryForUnmap = _lastPageMemoryForUnmap;
|
||||
|
||||
if (firstPageMemoryForUnmap != null)
|
||||
{
|
||||
_baseMemory.UnmapView(firstPageMemoryForUnmap, Size + _hostPageSize, _hostPageSize);
|
||||
_firstPageMemoryForUnmap = null;
|
||||
}
|
||||
|
||||
if (lastPageMemoryForUnmap != null)
|
||||
{
|
||||
_baseMemory.UnmapView(lastPageMemoryForUnmap, Size, _hostPageSize);
|
||||
_lastPageMemoryForUnmap = null;
|
||||
}
|
||||
|
||||
_hasBridgeAtEnd = false;
|
||||
}
|
||||
|
||||
_cachedFirstPagePa = firstPagePa;
|
||||
_cachedLastPagePa = lastPagePa;
|
||||
}
|
||||
}
|
||||
|
||||
public void RemoveBridgeFromEnd(Action<ulong, IntPtr, ulong> updatePtCallback, bool useProtectionMirrors)
|
||||
{
|
||||
IntPtr ptPtr = useProtectionMirrors
|
||||
? _baseMemory.GetPointerForProtection(Size - _hostPageSize, _hostPageSize, _lastPageProtection)
|
||||
: _baseMemory.GetPointer(Size - _hostPageSize, _hostPageSize);
|
||||
|
||||
updatePtCallback(EndAddress - GuestPageSize, ptPtr + (IntPtr)(_hostPageSize - GuestPageSize), GuestPageSize);
|
||||
|
||||
MemoryBlock firstPageMemoryForUnmap = _firstPageMemoryForUnmap;
|
||||
MemoryBlock lastPageMemoryForUnmap = _lastPageMemoryForUnmap;
|
||||
|
||||
if (firstPageMemoryForUnmap != null)
|
||||
{
|
||||
_baseMemory.UnmapView(firstPageMemoryForUnmap, Size + _hostPageSize, _hostPageSize);
|
||||
_firstPageMemoryForUnmap = null;
|
||||
}
|
||||
|
||||
if (lastPageMemoryForUnmap != null)
|
||||
{
|
||||
_baseMemory.UnmapView(lastPageMemoryForUnmap, Size, _hostPageSize);
|
||||
_lastPageMemoryForUnmap = null;
|
||||
}
|
||||
|
||||
_cachedFirstPagePa = ulong.MaxValue;
|
||||
_cachedLastPagePa = ulong.MaxValue;
|
||||
|
||||
_hasBridgeAtEnd = false;
|
||||
}
|
||||
|
||||
private (MemoryBlock, ulong) GetFirstPageMemoryAndOffset()
|
||||
{
|
||||
_treeLock.EnterReadLock();
|
||||
|
||||
try
|
||||
{
|
||||
PrivateMapping map = _privateTree.GetNode(new PrivateMapping(Address, 1UL, default));
|
||||
|
||||
if (map != null && map.PrivateAllocation.IsValid)
|
||||
{
|
||||
return (map.PrivateAllocation.Memory, map.PrivateAllocation.Offset + (Address - map.Address));
|
||||
}
|
||||
}
|
||||
finally
|
||||
{
|
||||
_treeLock.ExitReadLock();
|
||||
}
|
||||
|
||||
return (_backingMemory, _firstPagePa.Value);
|
||||
}
|
||||
|
||||
private (MemoryBlock, ulong) GetLastPageMemoryAndOffset()
|
||||
{
|
||||
_treeLock.EnterReadLock();
|
||||
|
||||
try
|
||||
{
|
||||
ulong pageAddress = EndAddress - _hostPageSize;
|
||||
|
||||
PrivateMapping map = _privateTree.GetNode(new PrivateMapping(pageAddress, 1UL, default));
|
||||
|
||||
if (map != null && map.PrivateAllocation.IsValid)
|
||||
{
|
||||
return (map.PrivateAllocation.Memory, map.PrivateAllocation.Offset + (pageAddress - map.Address));
|
||||
}
|
||||
}
|
||||
finally
|
||||
{
|
||||
_treeLock.ExitReadLock();
|
||||
}
|
||||
|
||||
return (_backingMemory, _lastPagePa.Value & ~(_hostPageSize - 1));
|
||||
}
|
||||
|
||||
public PrivateRange GetPrivateAllocation(ulong va)
|
||||
{
|
||||
_treeLock.EnterReadLock();
|
||||
|
||||
try
|
||||
{
|
||||
PrivateMapping map = _privateTree.GetNode(new PrivateMapping(va, 1UL, default));
|
||||
|
||||
if (map != null && map.PrivateAllocation.IsValid)
|
||||
{
|
||||
return new(map.PrivateAllocation.Memory, map.PrivateAllocation.Offset + (va - map.Address), map.Size - (va - map.Address));
|
||||
}
|
||||
}
|
||||
finally
|
||||
{
|
||||
_treeLock.ExitReadLock();
|
||||
}
|
||||
|
||||
return PrivateRange.Empty;
|
||||
}
|
||||
|
||||
private void Update(ulong va, ulong pa, ulong size, MappingType type)
|
||||
{
|
||||
_treeLock.EnterWriteLock();
|
||||
|
||||
try
|
||||
{
|
||||
Mapping map = _mappingTree.GetNode(new Mapping(va, 1UL, MappingType.None));
|
||||
|
||||
Update(map, va, pa, size, type);
|
||||
}
|
||||
finally
|
||||
{
|
||||
_treeLock.ExitWriteLock();
|
||||
}
|
||||
}
|
||||
|
||||
private Mapping Update(Mapping map, ulong va, ulong pa, ulong size, MappingType type)
|
||||
{
|
||||
ulong endAddress = va + size;
|
||||
|
||||
for (; map != null; map = map.Successor)
|
||||
{
|
||||
if (map.Address < va)
|
||||
{
|
||||
_mappingTree.Add(map.Split(va));
|
||||
}
|
||||
|
||||
if (map.EndAddress > endAddress)
|
||||
{
|
||||
Mapping newMap = map.Split(endAddress);
|
||||
_mappingTree.Add(newMap);
|
||||
map = newMap;
|
||||
}
|
||||
|
||||
switch (type)
|
||||
{
|
||||
case MappingType.None:
|
||||
ulong alignment = MemoryBlock.GetPageSize();
|
||||
|
||||
bool unmappedBefore = map.Predecessor == null ||
|
||||
(map.Predecessor.Type == MappingType.None && map.Predecessor.Address <= BitUtils.AlignDown(va, alignment));
|
||||
|
||||
bool unmappedAfter = map.Successor == null ||
|
||||
(map.Successor.Type == MappingType.None && map.Successor.EndAddress >= BitUtils.AlignUp(endAddress, alignment));
|
||||
|
||||
UnmapPrivate(va, size, unmappedBefore, unmappedAfter);
|
||||
break;
|
||||
case MappingType.Private:
|
||||
MapPrivate(va, size);
|
||||
break;
|
||||
}
|
||||
|
||||
map.UpdateState(type);
|
||||
map = TryCoalesce(map);
|
||||
|
||||
if (map.EndAddress >= endAddress)
|
||||
{
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
return map;
|
||||
}
|
||||
|
||||
private Mapping TryCoalesce(Mapping map)
|
||||
{
|
||||
Mapping previousMap = map.Predecessor;
|
||||
Mapping nextMap = map.Successor;
|
||||
|
||||
if (previousMap != null && CanCoalesce(previousMap, map))
|
||||
{
|
||||
previousMap.Extend(map.Size);
|
||||
_mappingTree.Remove(map);
|
||||
map = previousMap;
|
||||
}
|
||||
|
||||
if (nextMap != null && CanCoalesce(map, nextMap))
|
||||
{
|
||||
map.Extend(nextMap.Size);
|
||||
_mappingTree.Remove(nextMap);
|
||||
}
|
||||
|
||||
return map;
|
||||
}
|
||||
|
||||
private static bool CanCoalesce(Mapping left, Mapping right)
|
||||
{
|
||||
return left.Type == right.Type;
|
||||
}
|
||||
|
||||
private void MapPrivate(ulong va, ulong size)
|
||||
{
|
||||
ulong endAddress = va + size;
|
||||
|
||||
ulong alignment = MemoryBlock.GetPageSize();
|
||||
|
||||
// Expand the range outwards based on page size to ensure that at least the requested region is mapped.
|
||||
ulong vaAligned = BitUtils.AlignDown(va, alignment);
|
||||
ulong endAddressAligned = BitUtils.AlignUp(endAddress, alignment);
|
||||
|
||||
PrivateMapping map = _privateTree.GetNode(new PrivateMapping(va, 1UL, default));
|
||||
|
||||
for (; map != null; map = map.Successor)
|
||||
{
|
||||
if (!map.PrivateAllocation.IsValid)
|
||||
{
|
||||
if (map.Address < vaAligned)
|
||||
{
|
||||
_privateTree.Add(map.Split(vaAligned));
|
||||
}
|
||||
|
||||
if (map.EndAddress > endAddressAligned)
|
||||
{
|
||||
PrivateMapping newMap = map.Split(endAddressAligned);
|
||||
_privateTree.Add(newMap);
|
||||
map = newMap;
|
||||
}
|
||||
|
||||
map.Map(_baseMemory, Address, _privateMemoryAllocator.Allocate(map.Size, MemoryBlock.GetPageSize()));
|
||||
}
|
||||
|
||||
if (map.EndAddress >= endAddressAligned)
|
||||
{
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
private void UnmapPrivate(ulong va, ulong size, bool unmappedBefore, bool unmappedAfter)
|
||||
{
|
||||
ulong endAddress = va + size;
|
||||
|
||||
ulong alignment = MemoryBlock.GetPageSize();
|
||||
|
||||
// If the adjacent mappings are unmapped, expand the range outwards,
|
||||
// otherwise shrink it inwards. We must ensure we won't unmap pages that might still be in use.
|
||||
ulong vaAligned = unmappedBefore ? BitUtils.AlignDown(va, alignment) : BitUtils.AlignUp(va, alignment);
|
||||
ulong endAddressAligned = unmappedAfter ? BitUtils.AlignUp(endAddress, alignment) : BitUtils.AlignDown(endAddress, alignment);
|
||||
|
||||
if (endAddressAligned <= vaAligned)
|
||||
{
|
||||
return;
|
||||
}
|
||||
|
||||
PrivateMapping map = _privateTree.GetNode(new PrivateMapping(vaAligned, 1UL, default));
|
||||
|
||||
for (; map != null; map = map.Successor)
|
||||
{
|
||||
if (map.PrivateAllocation.IsValid)
|
||||
{
|
||||
if (map.Address < vaAligned)
|
||||
{
|
||||
_privateTree.Add(map.Split(vaAligned));
|
||||
}
|
||||
|
||||
if (map.EndAddress > endAddressAligned)
|
||||
{
|
||||
PrivateMapping newMap = map.Split(endAddressAligned);
|
||||
_privateTree.Add(newMap);
|
||||
map = newMap;
|
||||
}
|
||||
|
||||
map.Unmap(_baseMemory, Address);
|
||||
map = TryCoalesce(map);
|
||||
}
|
||||
|
||||
if (map.EndAddress >= endAddressAligned)
|
||||
{
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
private PrivateMapping TryCoalesce(PrivateMapping map)
|
||||
{
|
||||
PrivateMapping previousMap = map.Predecessor;
|
||||
PrivateMapping nextMap = map.Successor;
|
||||
|
||||
if (previousMap != null && CanCoalesce(previousMap, map))
|
||||
{
|
||||
previousMap.Extend(map.Size);
|
||||
_privateTree.Remove(map);
|
||||
map = previousMap;
|
||||
}
|
||||
|
||||
if (nextMap != null && CanCoalesce(map, nextMap))
|
||||
{
|
||||
map.Extend(nextMap.Size);
|
||||
_privateTree.Remove(nextMap);
|
||||
}
|
||||
|
||||
return map;
|
||||
}
|
||||
|
||||
private static bool CanCoalesce(PrivateMapping left, PrivateMapping right)
|
||||
{
|
||||
return !left.PrivateAllocation.IsValid && !right.PrivateAllocation.IsValid;
|
||||
}
|
||||
|
||||
private void LateMap()
|
||||
{
|
||||
// Map all existing private allocations.
|
||||
// This is necessary to ensure mirrors that are lazily created have the same mappings as the main one.
|
||||
|
||||
PrivateMapping map = _privateTree.GetNode(new PrivateMapping(Address, 1UL, default));
|
||||
|
||||
for (; map != null; map = map.Successor)
|
||||
{
|
||||
if (map.PrivateAllocation.IsValid)
|
||||
{
|
||||
_baseMemory.LateMapView(map.PrivateAllocation.Memory, map.PrivateAllocation.Offset, map.Address - Address, map.Size);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
public PrivateRange GetFirstPrivateAllocation(ulong va, ulong size, out ulong nextVa)
|
||||
{
|
||||
_treeLock.EnterReadLock();
|
||||
|
||||
try
|
||||
{
|
||||
PrivateMapping map = _privateTree.GetNode(new PrivateMapping(va, 1UL, default));
|
||||
|
||||
nextVa = map.EndAddress;
|
||||
|
||||
if (map != null && map.PrivateAllocation.IsValid)
|
||||
{
|
||||
ulong startOffset = va - map.Address;
|
||||
|
||||
return new(
|
||||
map.PrivateAllocation.Memory,
|
||||
map.PrivateAllocation.Offset + startOffset,
|
||||
Math.Min(map.PrivateAllocation.Size - startOffset, size));
|
||||
}
|
||||
}
|
||||
finally
|
||||
{
|
||||
_treeLock.ExitReadLock();
|
||||
}
|
||||
|
||||
return PrivateRange.Empty;
|
||||
}
|
||||
|
||||
public bool HasPrivateAllocation(ulong va, ulong size, ulong startVa, ulong startSize, ref PrivateRange range)
|
||||
{
|
||||
_treeLock.EnterReadLock();
|
||||
|
||||
try
|
||||
{
|
||||
PrivateMapping map = _privateTree.GetNode(new PrivateMapping(va, size, default));
|
||||
|
||||
if (map != null && map.PrivateAllocation.IsValid)
|
||||
{
|
||||
if (map.Address <= startVa && map.EndAddress >= startVa + startSize)
|
||||
{
|
||||
ulong startOffset = startVa - map.Address;
|
||||
|
||||
range = new(
|
||||
map.PrivateAllocation.Memory,
|
||||
map.PrivateAllocation.Offset + startOffset,
|
||||
Math.Min(map.PrivateAllocation.Size - startOffset, startSize));
|
||||
}
|
||||
|
||||
return true;
|
||||
}
|
||||
}
|
||||
finally
|
||||
{
|
||||
_treeLock.ExitReadLock();
|
||||
}
|
||||
|
||||
return false;
|
||||
}
|
||||
|
||||
public void Dispose()
|
||||
{
|
||||
GC.SuppressFinalize(this);
|
||||
|
||||
_privateMemoryAllocator.Dispose();
|
||||
_baseMemory.Dispose();
|
||||
}
|
||||
}
|
||||
}
|
||||
201
src/Ryujinx.Cpu/Jit/AddressSpacePartitionAllocator.cs
Normal file
201
src/Ryujinx.Cpu/Jit/AddressSpacePartitionAllocator.cs
Normal file
|
|
@ -0,0 +1,201 @@
|
|||
using Ryujinx.Common;
|
||||
using Ryujinx.Common.Collections;
|
||||
using Ryujinx.Memory;
|
||||
using Ryujinx.Memory.Tracking;
|
||||
using System;
|
||||
|
||||
namespace Ryujinx.Cpu.Jit
|
||||
{
|
||||
readonly struct AddressSpacePartitionAllocation : IDisposable
|
||||
{
|
||||
private readonly AddressSpacePartitionAllocator _owner;
|
||||
private readonly PrivateMemoryAllocatorImpl<AddressSpacePartitionAllocator.Block>.Allocation _allocation;
|
||||
|
||||
public IntPtr Pointer => (IntPtr)((ulong)_allocation.Block.Memory.Pointer + _allocation.Offset);
|
||||
|
||||
public bool IsValid => _owner != null;
|
||||
|
||||
public AddressSpacePartitionAllocation(
|
||||
AddressSpacePartitionAllocator owner,
|
||||
PrivateMemoryAllocatorImpl<AddressSpacePartitionAllocator.Block>.Allocation allocation)
|
||||
{
|
||||
_owner = owner;
|
||||
_allocation = allocation;
|
||||
}
|
||||
|
||||
public void RegisterMapping(ulong va, ulong endVa, int bridgeSize)
|
||||
{
|
||||
_allocation.Block.AddMapping(_allocation.Offset, _allocation.Size, va, endVa, bridgeSize);
|
||||
}
|
||||
|
||||
public void MapView(MemoryBlock srcBlock, ulong srcOffset, ulong dstOffset, ulong size)
|
||||
{
|
||||
_allocation.Block.Memory.MapView(srcBlock, srcOffset, _allocation.Offset + dstOffset, size);
|
||||
}
|
||||
|
||||
public void UnmapView(MemoryBlock srcBlock, ulong offset, ulong size)
|
||||
{
|
||||
_allocation.Block.Memory.UnmapView(srcBlock, _allocation.Offset + offset, size);
|
||||
}
|
||||
|
||||
public void Reprotect(ulong offset, ulong size, MemoryPermission permission, bool throwOnFail)
|
||||
{
|
||||
_allocation.Block.Memory.Reprotect(_allocation.Offset + offset, size, permission, throwOnFail);
|
||||
}
|
||||
|
||||
public IntPtr GetPointer(ulong offset, ulong size)
|
||||
{
|
||||
return _allocation.Block.Memory.GetPointer(_allocation.Offset + offset, size);
|
||||
}
|
||||
|
||||
public void Dispose()
|
||||
{
|
||||
_allocation.Block.RemoveMapping(_allocation.Offset, _allocation.Size);
|
||||
_owner.Free(_allocation.Block, _allocation.Offset, _allocation.Size);
|
||||
}
|
||||
}
|
||||
|
||||
class AddressSpacePartitionAllocator : PrivateMemoryAllocatorImpl<AddressSpacePartitionAllocator.Block>
|
||||
{
|
||||
private const ulong DefaultBlockAlignment = 1UL << 32; // 4GB
|
||||
|
||||
public class Block : PrivateMemoryAllocator.Block
|
||||
{
|
||||
private readonly MemoryTracking _tracking;
|
||||
private readonly Func<ulong, ulong> _readPtCallback;
|
||||
private readonly MemoryEhMeilleure _memoryEh;
|
||||
|
||||
private class Mapping : IntrusiveRedBlackTreeNode<Mapping>, IComparable<Mapping>
|
||||
{
|
||||
public ulong Address { get; }
|
||||
public ulong Size { get; }
|
||||
public ulong EndAddress => Address + Size;
|
||||
public ulong Va { get; }
|
||||
public ulong EndVa { get; }
|
||||
public int BridgeSize { get; }
|
||||
|
||||
public Mapping(ulong address, ulong size, ulong va, ulong endVa, int bridgeSize)
|
||||
{
|
||||
Address = address;
|
||||
Size = size;
|
||||
Va = va;
|
||||
EndVa = endVa;
|
||||
BridgeSize = bridgeSize;
|
||||
}
|
||||
|
||||
public int CompareTo(Mapping other)
|
||||
{
|
||||
if (Address < other.Address)
|
||||
{
|
||||
return -1;
|
||||
}
|
||||
else if (Address <= other.EndAddress - 1UL)
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
else
|
||||
{
|
||||
return 1;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
private readonly IntrusiveRedBlackTree<Mapping> _mappingTree;
|
||||
private readonly object _lock;
|
||||
|
||||
public Block(MemoryTracking tracking, Func<ulong, ulong> readPtCallback, MemoryBlock memory, ulong size, object locker) : base(memory, size)
|
||||
{
|
||||
_tracking = tracking;
|
||||
_readPtCallback = readPtCallback;
|
||||
_memoryEh = new(memory, null, tracking, VirtualMemoryEvent);
|
||||
_mappingTree = new();
|
||||
_lock = locker;
|
||||
}
|
||||
|
||||
public void AddMapping(ulong offset, ulong size, ulong va, ulong endVa, int bridgeSize)
|
||||
{
|
||||
_mappingTree.Add(new(offset, size, va, endVa, bridgeSize));
|
||||
}
|
||||
|
||||
public void RemoveMapping(ulong offset, ulong size)
|
||||
{
|
||||
_mappingTree.Remove(_mappingTree.GetNode(new Mapping(offset, size, 0, 0, 0)));
|
||||
}
|
||||
|
||||
private ulong VirtualMemoryEvent(ulong address, ulong size, bool write)
|
||||
{
|
||||
Mapping map;
|
||||
|
||||
lock (_lock)
|
||||
{
|
||||
map = _mappingTree.GetNode(new Mapping(address, size, 0, 0, 0));
|
||||
}
|
||||
|
||||
if (map == null)
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
|
||||
address -= map.Address;
|
||||
|
||||
if (address >= (map.EndVa - map.Va))
|
||||
{
|
||||
address -= (ulong)(map.BridgeSize / 2);
|
||||
}
|
||||
|
||||
ulong addressAligned = BitUtils.AlignDown(address, AddressSpacePartition.GuestPageSize);
|
||||
ulong endAddressAligned = BitUtils.AlignUp(address + size, AddressSpacePartition.GuestPageSize);
|
||||
ulong sizeAligned = endAddressAligned - addressAligned;
|
||||
|
||||
if (!_tracking.VirtualMemoryEvent(map.Va + addressAligned, sizeAligned, write))
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
|
||||
return _readPtCallback(map.Va + address);
|
||||
}
|
||||
|
||||
public override void Destroy()
|
||||
{
|
||||
_memoryEh.Dispose();
|
||||
|
||||
base.Destroy();
|
||||
}
|
||||
}
|
||||
|
||||
private readonly MemoryTracking _tracking;
|
||||
private readonly Func<ulong, ulong> _readPtCallback;
|
||||
private readonly object _lock;
|
||||
|
||||
public AddressSpacePartitionAllocator(
|
||||
MemoryTracking tracking,
|
||||
Func<ulong, ulong> readPtCallback,
|
||||
object locker) : base(DefaultBlockAlignment, MemoryAllocationFlags.Reserve | MemoryAllocationFlags.ViewCompatible)
|
||||
{
|
||||
_tracking = tracking;
|
||||
_readPtCallback = readPtCallback;
|
||||
_lock = locker;
|
||||
}
|
||||
|
||||
public AddressSpacePartitionAllocation Allocate(ulong va, ulong size, int bridgeSize)
|
||||
{
|
||||
AddressSpacePartitionAllocation allocation = new(this, Allocate(size + (ulong)bridgeSize, MemoryBlock.GetPageSize(), CreateBlock));
|
||||
allocation.RegisterMapping(va, va + size, bridgeSize);
|
||||
|
||||
return allocation;
|
||||
}
|
||||
|
||||
public AddressSpacePartitionAllocation AllocatePage(ulong va, ulong size)
|
||||
{
|
||||
AddressSpacePartitionAllocation allocation = new(this, Allocate(size, MemoryBlock.GetPageSize(), CreateBlock));
|
||||
allocation.RegisterMapping(va, va + size, 0);
|
||||
|
||||
return allocation;
|
||||
}
|
||||
|
||||
private Block CreateBlock(MemoryBlock memory, ulong size)
|
||||
{
|
||||
return new Block(_tracking, _readPtCallback, memory, size, _lock);
|
||||
}
|
||||
}
|
||||
}
|
||||
101
src/Ryujinx.Cpu/Jit/AddressSpacePartitionMultiAllocation.cs
Normal file
101
src/Ryujinx.Cpu/Jit/AddressSpacePartitionMultiAllocation.cs
Normal file
|
|
@ -0,0 +1,101 @@
|
|||
using Ryujinx.Memory;
|
||||
using System;
|
||||
using System.Diagnostics;
|
||||
|
||||
namespace Ryujinx.Cpu.Jit
|
||||
{
|
||||
class AddressSpacePartitionMultiAllocation : IDisposable
|
||||
{
|
||||
private readonly AddressSpacePartitionAllocation _baseMemory;
|
||||
private AddressSpacePartitionAllocation _baseMemoryRo;
|
||||
private AddressSpacePartitionAllocation _baseMemoryNone;
|
||||
|
||||
public AddressSpacePartitionMultiAllocation(AddressSpacePartitionAllocation baseMemory)
|
||||
{
|
||||
_baseMemory = baseMemory;
|
||||
}
|
||||
|
||||
public void MapView(MemoryBlock srcBlock, ulong srcOffset, ulong dstOffset, ulong size)
|
||||
{
|
||||
_baseMemory.MapView(srcBlock, srcOffset, dstOffset, size);
|
||||
|
||||
if (_baseMemoryRo.IsValid)
|
||||
{
|
||||
_baseMemoryRo.MapView(srcBlock, srcOffset, dstOffset, size);
|
||||
_baseMemoryRo.Reprotect(dstOffset, size, MemoryPermission.Read, false);
|
||||
}
|
||||
}
|
||||
|
||||
public void LateMapView(MemoryBlock srcBlock, ulong srcOffset, ulong dstOffset, ulong size)
|
||||
{
|
||||
_baseMemoryRo.MapView(srcBlock, srcOffset, dstOffset, size);
|
||||
_baseMemoryRo.Reprotect(dstOffset, size, MemoryPermission.Read, false);
|
||||
}
|
||||
|
||||
public void UnmapView(MemoryBlock srcBlock, ulong offset, ulong size)
|
||||
{
|
||||
_baseMemory.UnmapView(srcBlock, offset, size);
|
||||
|
||||
if (_baseMemoryRo.IsValid)
|
||||
{
|
||||
_baseMemoryRo.UnmapView(srcBlock, offset, size);
|
||||
}
|
||||
}
|
||||
|
||||
public void Reprotect(ulong offset, ulong size, MemoryPermission permission, bool throwOnFail)
|
||||
{
|
||||
_baseMemory.Reprotect(offset, size, permission, throwOnFail);
|
||||
}
|
||||
|
||||
public IntPtr GetPointer(ulong offset, ulong size)
|
||||
{
|
||||
return _baseMemory.GetPointer(offset, size);
|
||||
}
|
||||
|
||||
public bool LazyInitMirrorForProtection(AddressSpacePartitioned addressSpace, ulong blockAddress, ulong blockSize, MemoryPermission permission)
|
||||
{
|
||||
if (permission == MemoryPermission.None && !_baseMemoryNone.IsValid)
|
||||
{
|
||||
_baseMemoryNone = addressSpace.CreateAsPartitionAllocation(blockAddress, blockSize);
|
||||
}
|
||||
else if (permission == MemoryPermission.Read && !_baseMemoryRo.IsValid)
|
||||
{
|
||||
_baseMemoryRo = addressSpace.CreateAsPartitionAllocation(blockAddress, blockSize);
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
return false;
|
||||
}
|
||||
|
||||
public IntPtr GetPointerForProtection(ulong offset, ulong size, MemoryPermission permission)
|
||||
{
|
||||
AddressSpacePartitionAllocation allocation = permission switch
|
||||
{
|
||||
MemoryPermission.ReadAndWrite => _baseMemory,
|
||||
MemoryPermission.Read => _baseMemoryRo,
|
||||
MemoryPermission.None => _baseMemoryNone,
|
||||
_ => throw new ArgumentException($"Invalid protection \"{permission}\"."),
|
||||
};
|
||||
|
||||
Debug.Assert(allocation.IsValid);
|
||||
|
||||
return allocation.GetPointer(offset, size);
|
||||
}
|
||||
|
||||
public void Dispose()
|
||||
{
|
||||
_baseMemory.Dispose();
|
||||
|
||||
if (_baseMemoryRo.IsValid)
|
||||
{
|
||||
_baseMemoryRo.Dispose();
|
||||
}
|
||||
|
||||
if (_baseMemoryNone.IsValid)
|
||||
{
|
||||
_baseMemoryNone.Dispose();
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
388
src/Ryujinx.Cpu/Jit/AddressSpacePartitioned.cs
Normal file
388
src/Ryujinx.Cpu/Jit/AddressSpacePartitioned.cs
Normal file
|
|
@ -0,0 +1,388 @@
|
|||
using Ryujinx.Common;
|
||||
using Ryujinx.Memory;
|
||||
using Ryujinx.Memory.Tracking;
|
||||
using System;
|
||||
using System.Collections.Generic;
|
||||
using System.Diagnostics;
|
||||
|
||||
namespace Ryujinx.Cpu.Jit
|
||||
{
|
||||
class AddressSpacePartitioned : IDisposable
|
||||
{
|
||||
private const int PartitionBits = 25;
|
||||
private const ulong PartitionSize = 1UL << PartitionBits;
|
||||
|
||||
private readonly MemoryBlock _backingMemory;
|
||||
private readonly List<AddressSpacePartition> _partitions;
|
||||
private readonly AddressSpacePartitionAllocator _asAllocator;
|
||||
private readonly Action<ulong, IntPtr, ulong> _updatePtCallback;
|
||||
private readonly bool _useProtectionMirrors;
|
||||
|
||||
public AddressSpacePartitioned(MemoryTracking tracking, MemoryBlock backingMemory, NativePageTable nativePageTable, bool useProtectionMirrors)
|
||||
{
|
||||
_backingMemory = backingMemory;
|
||||
_partitions = new();
|
||||
_asAllocator = new(tracking, nativePageTable.Read, _partitions);
|
||||
_updatePtCallback = nativePageTable.Update;
|
||||
_useProtectionMirrors = useProtectionMirrors;
|
||||
}
|
||||
|
||||
public void Map(ulong va, ulong pa, ulong size)
|
||||
{
|
||||
ulong endVa = va + size;
|
||||
|
||||
lock (_partitions)
|
||||
{
|
||||
EnsurePartitionsLocked(va, size);
|
||||
|
||||
while (va < endVa)
|
||||
{
|
||||
int partitionIndex = FindPartitionIndexLocked(va);
|
||||
AddressSpacePartition partition = _partitions[partitionIndex];
|
||||
|
||||
(ulong clampedVa, ulong clampedEndVa) = ClampRange(partition, va, endVa);
|
||||
|
||||
partition.Map(clampedVa, pa, clampedEndVa - clampedVa);
|
||||
|
||||
ulong currentSize = clampedEndVa - clampedVa;
|
||||
|
||||
va += currentSize;
|
||||
pa += currentSize;
|
||||
|
||||
InsertBridgeIfNeeded(partitionIndex);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
public void Unmap(ulong va, ulong size)
|
||||
{
|
||||
ulong endVa = va + size;
|
||||
|
||||
while (va < endVa)
|
||||
{
|
||||
AddressSpacePartition partition;
|
||||
|
||||
lock (_partitions)
|
||||
{
|
||||
int partitionIndex = FindPartitionIndexLocked(va);
|
||||
if (partitionIndex < 0)
|
||||
{
|
||||
va += PartitionSize - (va & (PartitionSize - 1));
|
||||
|
||||
continue;
|
||||
}
|
||||
|
||||
partition = _partitions[partitionIndex];
|
||||
|
||||
(ulong clampedVa, ulong clampedEndVa) = ClampRange(partition, va, endVa);
|
||||
|
||||
partition.Unmap(clampedVa, clampedEndVa - clampedVa);
|
||||
|
||||
va += clampedEndVa - clampedVa;
|
||||
|
||||
RemoveBridgeIfNeeded(partitionIndex);
|
||||
|
||||
if (partition.IsEmpty())
|
||||
{
|
||||
_partitions.Remove(partition);
|
||||
partition.Dispose();
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
public void Reprotect(ulong va, ulong size, MemoryPermission protection)
|
||||
{
|
||||
ulong endVa = va + size;
|
||||
|
||||
lock (_partitions)
|
||||
{
|
||||
while (va < endVa)
|
||||
{
|
||||
AddressSpacePartition partition = FindPartition(va);
|
||||
|
||||
if (partition == null)
|
||||
{
|
||||
va += PartitionSize - (va & (PartitionSize - 1));
|
||||
|
||||
continue;
|
||||
}
|
||||
|
||||
(ulong clampedVa, ulong clampedEndVa) = ClampRange(partition, va, endVa);
|
||||
|
||||
if (_useProtectionMirrors)
|
||||
{
|
||||
partition.Reprotect(clampedVa, clampedEndVa - clampedVa, protection, this, _updatePtCallback);
|
||||
}
|
||||
else
|
||||
{
|
||||
partition.ReprotectAligned(clampedVa, clampedEndVa - clampedVa, protection);
|
||||
}
|
||||
|
||||
va += clampedEndVa - clampedVa;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
public PrivateRange GetPrivateAllocation(ulong va)
|
||||
{
|
||||
AddressSpacePartition partition = FindPartition(va);
|
||||
|
||||
if (partition == null)
|
||||
{
|
||||
return PrivateRange.Empty;
|
||||
}
|
||||
|
||||
return partition.GetPrivateAllocation(va);
|
||||
}
|
||||
|
||||
public PrivateRange GetFirstPrivateAllocation(ulong va, ulong size, out ulong nextVa)
|
||||
{
|
||||
AddressSpacePartition partition = FindPartition(va);
|
||||
|
||||
if (partition == null)
|
||||
{
|
||||
nextVa = (va & ~(PartitionSize - 1)) + PartitionSize;
|
||||
|
||||
return PrivateRange.Empty;
|
||||
}
|
||||
|
||||
return partition.GetFirstPrivateAllocation(va, size, out nextVa);
|
||||
}
|
||||
|
||||
public bool HasAnyPrivateAllocation(ulong va, ulong size, out PrivateRange range)
|
||||
{
|
||||
range = PrivateRange.Empty;
|
||||
|
||||
ulong startVa = va;
|
||||
ulong endVa = va + size;
|
||||
|
||||
while (va < endVa)
|
||||
{
|
||||
AddressSpacePartition partition = FindPartition(va);
|
||||
|
||||
if (partition == null)
|
||||
{
|
||||
va += PartitionSize - (va & (PartitionSize - 1));
|
||||
|
||||
continue;
|
||||
}
|
||||
|
||||
(ulong clampedVa, ulong clampedEndVa) = ClampRange(partition, va, endVa);
|
||||
|
||||
if (partition.HasPrivateAllocation(clampedVa, clampedEndVa - clampedVa, startVa, size, ref range))
|
||||
{
|
||||
return true;
|
||||
}
|
||||
|
||||
va += clampedEndVa - clampedVa;
|
||||
}
|
||||
|
||||
return false;
|
||||
}
|
||||
|
||||
private void InsertBridgeIfNeeded(int partitionIndex)
|
||||
{
|
||||
if (partitionIndex > 0 && _partitions[partitionIndex - 1].EndAddress == _partitions[partitionIndex].Address)
|
||||
{
|
||||
_partitions[partitionIndex - 1].InsertBridgeAtEnd(_partitions[partitionIndex], _updatePtCallback, _useProtectionMirrors);
|
||||
}
|
||||
|
||||
if (partitionIndex + 1 < _partitions.Count && _partitions[partitionIndex].EndAddress == _partitions[partitionIndex + 1].Address)
|
||||
{
|
||||
_partitions[partitionIndex].InsertBridgeAtEnd(_partitions[partitionIndex + 1], _updatePtCallback, _useProtectionMirrors);
|
||||
}
|
||||
}
|
||||
|
||||
private void RemoveBridgeIfNeeded(int partitionIndex)
|
||||
{
|
||||
if (partitionIndex > 0 && _partitions[partitionIndex - 1].EndAddress == _partitions[partitionIndex].Address)
|
||||
{
|
||||
_partitions[partitionIndex - 1].InsertBridgeAtEnd(_partitions[partitionIndex], _updatePtCallback, _useProtectionMirrors);
|
||||
}
|
||||
|
||||
if (partitionIndex + 1 < _partitions.Count && _partitions[partitionIndex].EndAddress == _partitions[partitionIndex + 1].Address)
|
||||
{
|
||||
_partitions[partitionIndex].InsertBridgeAtEnd(_partitions[partitionIndex + 1], _updatePtCallback, _useProtectionMirrors);
|
||||
}
|
||||
else
|
||||
{
|
||||
_partitions[partitionIndex].RemoveBridgeFromEnd(_updatePtCallback, _useProtectionMirrors);
|
||||
}
|
||||
}
|
||||
|
||||
public IntPtr GetPointer(ulong va, ulong size)
|
||||
{
|
||||
AddressSpacePartition partition = FindPartition(va);
|
||||
|
||||
return partition.GetPointer(va, size);
|
||||
}
|
||||
|
||||
private static (ulong, ulong) ClampRange(AddressSpacePartition partition, ulong va, ulong endVa)
|
||||
{
|
||||
if (va < partition.Address)
|
||||
{
|
||||
va = partition.Address;
|
||||
}
|
||||
|
||||
if (endVa > partition.EndAddress)
|
||||
{
|
||||
endVa = partition.EndAddress;
|
||||
}
|
||||
|
||||
return (va, endVa);
|
||||
}
|
||||
|
||||
private AddressSpacePartition FindPartition(ulong va)
|
||||
{
|
||||
lock (_partitions)
|
||||
{
|
||||
int index = FindPartitionIndexLocked(va);
|
||||
if (index >= 0)
|
||||
{
|
||||
return _partitions[index];
|
||||
}
|
||||
}
|
||||
|
||||
return null;
|
||||
}
|
||||
|
||||
private int FindPartitionIndexLocked(ulong va)
|
||||
{
|
||||
int left = 0;
|
||||
int middle;
|
||||
int right = _partitions.Count - 1;
|
||||
|
||||
while (left <= right)
|
||||
{
|
||||
middle = left + ((right - left) >> 1);
|
||||
|
||||
AddressSpacePartition partition = _partitions[middle];
|
||||
|
||||
if (partition.Address <= va && partition.EndAddress > va)
|
||||
{
|
||||
return middle;
|
||||
}
|
||||
|
||||
if (partition.Address >= va)
|
||||
{
|
||||
right = middle - 1;
|
||||
}
|
||||
else
|
||||
{
|
||||
left = middle + 1;
|
||||
}
|
||||
}
|
||||
|
||||
return -1;
|
||||
}
|
||||
|
||||
private void EnsurePartitionsLocked(ulong va, ulong size)
|
||||
{
|
||||
ulong endVa = BitUtils.AlignUp(va + size, PartitionSize);
|
||||
va = BitUtils.AlignDown(va, PartitionSize);
|
||||
|
||||
for (int i = 0; i < _partitions.Count && va < endVa; i++)
|
||||
{
|
||||
AddressSpacePartition partition = _partitions[i];
|
||||
|
||||
if (partition.Address <= va && partition.EndAddress > va)
|
||||
{
|
||||
if (partition.EndAddress >= endVa)
|
||||
{
|
||||
// Fully mapped already.
|
||||
va = endVa;
|
||||
|
||||
break;
|
||||
}
|
||||
|
||||
ulong gapSize;
|
||||
|
||||
if (i + 1 < _partitions.Count)
|
||||
{
|
||||
AddressSpacePartition nextPartition = _partitions[i + 1];
|
||||
|
||||
if (partition.EndAddress == nextPartition.Address)
|
||||
{
|
||||
va = partition.EndAddress;
|
||||
|
||||
continue;
|
||||
}
|
||||
|
||||
gapSize = Math.Min(endVa, nextPartition.Address) - partition.EndAddress;
|
||||
}
|
||||
else
|
||||
{
|
||||
gapSize = endVa - partition.EndAddress;
|
||||
}
|
||||
|
||||
_partitions.Insert(i + 1, CreateAsPartition(partition.EndAddress, gapSize));
|
||||
va = partition.EndAddress + gapSize;
|
||||
i++;
|
||||
}
|
||||
else if (partition.EndAddress > va)
|
||||
{
|
||||
Debug.Assert(partition.Address > va);
|
||||
|
||||
ulong gapSize;
|
||||
|
||||
if (partition.Address < endVa)
|
||||
{
|
||||
gapSize = partition.Address - va;
|
||||
}
|
||||
else
|
||||
{
|
||||
gapSize = endVa - va;
|
||||
}
|
||||
|
||||
_partitions.Insert(i, CreateAsPartition(va, gapSize));
|
||||
va = Math.Min(partition.EndAddress, endVa);
|
||||
i++;
|
||||
}
|
||||
}
|
||||
|
||||
if (va < endVa)
|
||||
{
|
||||
_partitions.Add(CreateAsPartition(va, endVa - va));
|
||||
}
|
||||
|
||||
for (int i = 1; i < _partitions.Count; i++)
|
||||
{
|
||||
Debug.Assert(_partitions[i].Address > _partitions[i - 1].Address);
|
||||
Debug.Assert(_partitions[i].EndAddress > _partitions[i - 1].EndAddress);
|
||||
}
|
||||
}
|
||||
|
||||
private AddressSpacePartition CreateAsPartition(ulong va, ulong size)
|
||||
{
|
||||
return new(CreateAsPartitionAllocation(va, size), _backingMemory, va, size);
|
||||
}
|
||||
|
||||
public AddressSpacePartitionAllocation CreateAsPartitionAllocation(ulong va, ulong size)
|
||||
{
|
||||
ulong bridgeSize = MemoryBlock.GetPageSize() * 2;
|
||||
|
||||
return _asAllocator.Allocate(va, size, (int)bridgeSize);
|
||||
}
|
||||
|
||||
protected virtual void Dispose(bool disposing)
|
||||
{
|
||||
if (disposing)
|
||||
{
|
||||
foreach (AddressSpacePartition partition in _partitions)
|
||||
{
|
||||
partition.Dispose();
|
||||
}
|
||||
|
||||
_partitions.Clear();
|
||||
_asAllocator.Dispose();
|
||||
}
|
||||
}
|
||||
|
||||
public void Dispose()
|
||||
{
|
||||
Dispose(disposing: true);
|
||||
GC.SuppressFinalize(this);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -15,9 +15,9 @@ namespace Ryujinx.Cpu.Jit
|
|||
_tickSource = tickSource;
|
||||
_translator = new Translator(new JitMemoryAllocator(forJit: true), memory, for64Bit);
|
||||
|
||||
if (memory.Type.IsHostMapped())
|
||||
if (memory.Type.IsHostMappedOrTracked())
|
||||
{
|
||||
NativeSignalHandler.InitializeSignalHandler(MemoryBlock.GetPageSize());
|
||||
NativeSignalHandler.InitializeSignalHandler();
|
||||
}
|
||||
|
||||
memory.UnmapEvent += UnmapHandler;
|
||||
|
|
|
|||
|
|
@ -1,4 +1,4 @@
|
|||
using ARMeilleure.Memory;
|
||||
using ARMeilleure.Memory;
|
||||
using Ryujinx.Memory;
|
||||
using Ryujinx.Memory.Range;
|
||||
using Ryujinx.Memory.Tracking;
|
||||
|
|
|
|||
626
src/Ryujinx.Cpu/Jit/MemoryManagerHostTracked.cs
Normal file
626
src/Ryujinx.Cpu/Jit/MemoryManagerHostTracked.cs
Normal file
|
|
@ -0,0 +1,626 @@
|
|||
using ARMeilleure.Memory;
|
||||
using Ryujinx.Cpu.Signal;
|
||||
using Ryujinx.Memory;
|
||||
using Ryujinx.Memory.Range;
|
||||
using Ryujinx.Memory.Tracking;
|
||||
using System;
|
||||
using System.Collections.Generic;
|
||||
using System.Linq;
|
||||
using System.Runtime.CompilerServices;
|
||||
using System.Runtime.InteropServices;
|
||||
|
||||
namespace Ryujinx.Cpu.Jit
|
||||
{
|
||||
/// <summary>
|
||||
/// Represents a CPU memory manager which maps guest virtual memory directly onto a host virtual region.
|
||||
/// </summary>
|
||||
public sealed class MemoryManagerHostTracked : VirtualMemoryManagerRefCountedBase<ulong, ulong>, IWritableBlock, IMemoryManager, IVirtualMemoryManagerTracked
|
||||
{
|
||||
private readonly InvalidAccessHandler _invalidAccessHandler;
|
||||
private readonly bool _unsafeMode;
|
||||
|
||||
private readonly MemoryBlock _backingMemory;
|
||||
|
||||
public int AddressSpaceBits { get; }
|
||||
|
||||
public MemoryTracking Tracking { get; }
|
||||
|
||||
private readonly NativePageTable _nativePageTable;
|
||||
private readonly AddressSpacePartitioned _addressSpace;
|
||||
|
||||
private readonly ManagedPageFlags _pages;
|
||||
|
||||
protected override ulong AddressSpaceSize { get; }
|
||||
|
||||
/// <inheritdoc/>
|
||||
public bool Supports4KBPages => false;
|
||||
|
||||
public IntPtr PageTablePointer => _nativePageTable.PageTablePointer;
|
||||
|
||||
public MemoryManagerType Type => _unsafeMode ? MemoryManagerType.HostTrackedUnsafe : MemoryManagerType.HostTracked;
|
||||
|
||||
public event Action<ulong, ulong> UnmapEvent;
|
||||
|
||||
/// <summary>
|
||||
/// Creates a new instance of the host tracked memory manager.
|
||||
/// </summary>
|
||||
/// <param name="backingMemory">Physical backing memory where virtual memory will be mapped to</param>
|
||||
/// <param name="addressSpaceSize">Size of the address space</param>
|
||||
/// <param name="unsafeMode">True if unmanaged access should not be masked (unsafe), false otherwise.</param>
|
||||
/// <param name="invalidAccessHandler">Optional function to handle invalid memory accesses</param>
|
||||
public MemoryManagerHostTracked(MemoryBlock backingMemory, ulong addressSpaceSize, bool unsafeMode, InvalidAccessHandler invalidAccessHandler)
|
||||
{
|
||||
bool useProtectionMirrors = MemoryBlock.GetPageSize() > PageSize;
|
||||
|
||||
Tracking = new MemoryTracking(this, PageSize, invalidAccessHandler, useProtectionMirrors);
|
||||
|
||||
_backingMemory = backingMemory;
|
||||
_invalidAccessHandler = invalidAccessHandler;
|
||||
_unsafeMode = unsafeMode;
|
||||
AddressSpaceSize = addressSpaceSize;
|
||||
|
||||
ulong asSize = PageSize;
|
||||
int asBits = PageBits;
|
||||
|
||||
while (asSize < AddressSpaceSize)
|
||||
{
|
||||
asSize <<= 1;
|
||||
asBits++;
|
||||
}
|
||||
|
||||
AddressSpaceBits = asBits;
|
||||
|
||||
if (useProtectionMirrors && !NativeSignalHandler.SupportsFaultAddressPatching())
|
||||
{
|
||||
// Currently we require being able to change the fault address to something else
|
||||
// in order to "emulate" 4KB granularity protection on systems with larger page size.
|
||||
|
||||
throw new PlatformNotSupportedException();
|
||||
}
|
||||
|
||||
_pages = new ManagedPageFlags(asBits);
|
||||
_nativePageTable = new(asSize);
|
||||
_addressSpace = new(Tracking, backingMemory, _nativePageTable, useProtectionMirrors);
|
||||
}
|
||||
|
||||
/// <inheritdoc/>
|
||||
public void Map(ulong va, ulong pa, ulong size, MemoryMapFlags flags)
|
||||
{
|
||||
AssertValidAddressAndSize(va, size);
|
||||
|
||||
if (flags.HasFlag(MemoryMapFlags.Private))
|
||||
{
|
||||
_addressSpace.Map(va, pa, size);
|
||||
}
|
||||
|
||||
_pages.AddMapping(va, size);
|
||||
_nativePageTable.Map(va, pa, size, _addressSpace, _backingMemory, flags.HasFlag(MemoryMapFlags.Private));
|
||||
|
||||
Tracking.Map(va, size);
|
||||
}
|
||||
|
||||
/// <inheritdoc/>
|
||||
public void MapForeign(ulong va, nuint hostPointer, ulong size)
|
||||
{
|
||||
throw new NotSupportedException();
|
||||
}
|
||||
|
||||
/// <inheritdoc/>
|
||||
public void Unmap(ulong va, ulong size)
|
||||
{
|
||||
AssertValidAddressAndSize(va, size);
|
||||
|
||||
_addressSpace.Unmap(va, size);
|
||||
|
||||
UnmapEvent?.Invoke(va, size);
|
||||
Tracking.Unmap(va, size);
|
||||
|
||||
_pages.RemoveMapping(va, size);
|
||||
_nativePageTable.Unmap(va, size);
|
||||
}
|
||||
|
||||
public T Read<T>(ulong va) where T : unmanaged
|
||||
{
|
||||
return MemoryMarshal.Cast<byte, T>(GetSpan(va, Unsafe.SizeOf<T>()))[0];
|
||||
}
|
||||
|
||||
public T ReadTracked<T>(ulong va) where T : unmanaged
|
||||
{
|
||||
try
|
||||
{
|
||||
SignalMemoryTracking(va, (ulong)Unsafe.SizeOf<T>(), false);
|
||||
|
||||
return Read<T>(va);
|
||||
}
|
||||
catch (InvalidMemoryRegionException)
|
||||
{
|
||||
if (_invalidAccessHandler == null || !_invalidAccessHandler(va))
|
||||
{
|
||||
throw;
|
||||
}
|
||||
|
||||
return default;
|
||||
}
|
||||
}
|
||||
|
||||
public override void Read(ulong va, Span<byte> data)
|
||||
{
|
||||
ReadImpl(va, data);
|
||||
}
|
||||
|
||||
public void Write<T>(ulong va, T value) where T : unmanaged
|
||||
{
|
||||
Write(va, MemoryMarshal.Cast<T, byte>(MemoryMarshal.CreateSpan(ref value, 1)));
|
||||
}
|
||||
|
||||
public void Write(ulong va, ReadOnlySpan<byte> data)
|
||||
{
|
||||
if (data.Length == 0)
|
||||
{
|
||||
return;
|
||||
}
|
||||
|
||||
SignalMemoryTracking(va, (ulong)data.Length, true);
|
||||
|
||||
WriteImpl(va, data);
|
||||
}
|
||||
|
||||
public void WriteUntracked(ulong va, ReadOnlySpan<byte> data)
|
||||
{
|
||||
if (data.Length == 0)
|
||||
{
|
||||
return;
|
||||
}
|
||||
|
||||
WriteImpl(va, data);
|
||||
}
|
||||
|
||||
public bool WriteWithRedundancyCheck(ulong va, ReadOnlySpan<byte> data)
|
||||
{
|
||||
if (data.Length == 0)
|
||||
{
|
||||
return false;
|
||||
}
|
||||
|
||||
SignalMemoryTracking(va, (ulong)data.Length, false);
|
||||
|
||||
if (TryGetVirtualContiguous(va, data.Length, out MemoryBlock memoryBlock, out ulong offset))
|
||||
{
|
||||
var target = memoryBlock.GetSpan(offset, data.Length);
|
||||
|
||||
bool changed = !data.SequenceEqual(target);
|
||||
|
||||
if (changed)
|
||||
{
|
||||
data.CopyTo(target);
|
||||
}
|
||||
|
||||
return changed;
|
||||
}
|
||||
else
|
||||
{
|
||||
WriteImpl(va, data);
|
||||
|
||||
return true;
|
||||
}
|
||||
}
|
||||
|
||||
private void WriteImpl(ulong va, ReadOnlySpan<byte> data)
|
||||
{
|
||||
try
|
||||
{
|
||||
AssertValidAddressAndSize(va, (ulong)data.Length);
|
||||
|
||||
ulong endVa = va + (ulong)data.Length;
|
||||
int offset = 0;
|
||||
|
||||
while (va < endVa)
|
||||
{
|
||||
(MemoryBlock memory, ulong rangeOffset, ulong copySize) = GetMemoryOffsetAndSize(va, (ulong)(data.Length - offset));
|
||||
|
||||
data.Slice(offset, (int)copySize).CopyTo(memory.GetSpan(rangeOffset, (int)copySize));
|
||||
|
||||
va += copySize;
|
||||
offset += (int)copySize;
|
||||
}
|
||||
}
|
||||
catch (InvalidMemoryRegionException)
|
||||
{
|
||||
if (_invalidAccessHandler == null || !_invalidAccessHandler(va))
|
||||
{
|
||||
throw;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
public ReadOnlySpan<byte> GetSpan(ulong va, int size, bool tracked = false)
|
||||
{
|
||||
if (size == 0)
|
||||
{
|
||||
return ReadOnlySpan<byte>.Empty;
|
||||
}
|
||||
|
||||
if (tracked)
|
||||
{
|
||||
SignalMemoryTracking(va, (ulong)size, false);
|
||||
}
|
||||
|
||||
if (TryGetVirtualContiguous(va, size, out MemoryBlock memoryBlock, out ulong offset))
|
||||
{
|
||||
return memoryBlock.GetSpan(offset, size);
|
||||
}
|
||||
else
|
||||
{
|
||||
Span<byte> data = new byte[size];
|
||||
|
||||
ReadImpl(va, data);
|
||||
|
||||
return data;
|
||||
}
|
||||
}
|
||||
|
||||
public WritableRegion GetWritableRegion(ulong va, int size, bool tracked = false)
|
||||
{
|
||||
if (size == 0)
|
||||
{
|
||||
return new WritableRegion(null, va, Memory<byte>.Empty);
|
||||
}
|
||||
|
||||
if (tracked)
|
||||
{
|
||||
SignalMemoryTracking(va, (ulong)size, true);
|
||||
}
|
||||
|
||||
if (TryGetVirtualContiguous(va, size, out MemoryBlock memoryBlock, out ulong offset))
|
||||
{
|
||||
return new WritableRegion(null, va, memoryBlock.GetMemory(offset, size));
|
||||
}
|
||||
else
|
||||
{
|
||||
Memory<byte> memory = new byte[size];
|
||||
|
||||
ReadImpl(va, memory.Span);
|
||||
|
||||
return new WritableRegion(this, va, memory);
|
||||
}
|
||||
}
|
||||
|
||||
public ref T GetRef<T>(ulong va) where T : unmanaged
|
||||
{
|
||||
if (!TryGetVirtualContiguous(va, Unsafe.SizeOf<T>(), out MemoryBlock memory, out ulong offset))
|
||||
{
|
||||
ThrowMemoryNotContiguous();
|
||||
}
|
||||
|
||||
SignalMemoryTracking(va, (ulong)Unsafe.SizeOf<T>(), true);
|
||||
|
||||
return ref memory.GetRef<T>(offset);
|
||||
}
|
||||
|
||||
[MethodImpl(MethodImplOptions.AggressiveInlining)]
|
||||
public bool IsMapped(ulong va)
|
||||
{
|
||||
return ValidateAddress(va) && _pages.IsMapped(va);
|
||||
}
|
||||
|
||||
public bool IsRangeMapped(ulong va, ulong size)
|
||||
{
|
||||
AssertValidAddressAndSize(va, size);
|
||||
|
||||
return _pages.IsRangeMapped(va, size);
|
||||
}
|
||||
|
||||
private static void ThrowMemoryNotContiguous() => throw new MemoryNotContiguousException();
|
||||
|
||||
private bool TryGetVirtualContiguous(ulong va, int size, out MemoryBlock memory, out ulong offset)
|
||||
{
|
||||
if (_addressSpace.HasAnyPrivateAllocation(va, (ulong)size, out PrivateRange range))
|
||||
{
|
||||
// If we have a private allocation overlapping the range,
|
||||
// then the access is only considered contiguous if it covers the entire range.
|
||||
|
||||
if (range.Memory != null)
|
||||
{
|
||||
memory = range.Memory;
|
||||
offset = range.Offset;
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
memory = null;
|
||||
offset = 0;
|
||||
|
||||
return false;
|
||||
}
|
||||
|
||||
memory = _backingMemory;
|
||||
offset = GetPhysicalAddressInternal(va);
|
||||
|
||||
return IsPhysicalContiguous(va, size);
|
||||
}
|
||||
|
||||
[MethodImpl(MethodImplOptions.AggressiveInlining)]
|
||||
private bool IsPhysicalContiguous(ulong va, int size)
|
||||
{
|
||||
if (!ValidateAddress(va) || !ValidateAddressAndSize(va, (ulong)size))
|
||||
{
|
||||
return false;
|
||||
}
|
||||
|
||||
int pages = GetPagesCount(va, (uint)size, out va);
|
||||
|
||||
for (int page = 0; page < pages - 1; page++)
|
||||
{
|
||||
if (!ValidateAddress(va + PageSize))
|
||||
{
|
||||
return false;
|
||||
}
|
||||
|
||||
if (GetPhysicalAddressInternal(va) + PageSize != GetPhysicalAddressInternal(va + PageSize))
|
||||
{
|
||||
return false;
|
||||
}
|
||||
|
||||
va += PageSize;
|
||||
}
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
[MethodImpl(MethodImplOptions.AggressiveInlining)]
|
||||
private ulong GetContiguousSize(ulong va, ulong size)
|
||||
{
|
||||
ulong contiguousSize = PageSize - (va & PageMask);
|
||||
|
||||
if (!ValidateAddress(va) || !ValidateAddressAndSize(va, size))
|
||||
{
|
||||
return contiguousSize;
|
||||
}
|
||||
|
||||
int pages = GetPagesCount(va, size, out va);
|
||||
|
||||
for (int page = 0; page < pages - 1; page++)
|
||||
{
|
||||
if (!ValidateAddress(va + PageSize))
|
||||
{
|
||||
return contiguousSize;
|
||||
}
|
||||
|
||||
if (GetPhysicalAddressInternal(va) + PageSize != GetPhysicalAddressInternal(va + PageSize))
|
||||
{
|
||||
return contiguousSize;
|
||||
}
|
||||
|
||||
va += PageSize;
|
||||
contiguousSize += PageSize;
|
||||
}
|
||||
|
||||
return Math.Min(contiguousSize, size);
|
||||
}
|
||||
|
||||
private (MemoryBlock, ulong, ulong) GetMemoryOffsetAndSize(ulong va, ulong size)
|
||||
{
|
||||
PrivateRange privateRange = _addressSpace.GetFirstPrivateAllocation(va, size, out ulong nextVa);
|
||||
|
||||
if (privateRange.Memory != null)
|
||||
{
|
||||
return (privateRange.Memory, privateRange.Offset, privateRange.Size);
|
||||
}
|
||||
|
||||
ulong physSize = GetContiguousSize(va, Math.Min(size, nextVa - va));
|
||||
|
||||
return (_backingMemory, GetPhysicalAddressChecked(va), physSize);
|
||||
}
|
||||
|
||||
public IEnumerable<HostMemoryRange> GetHostRegions(ulong va, ulong size)
|
||||
{
|
||||
if (!ValidateAddressAndSize(va, size))
|
||||
{
|
||||
return null;
|
||||
}
|
||||
|
||||
var regions = new List<HostMemoryRange>();
|
||||
ulong endVa = va + size;
|
||||
|
||||
try
|
||||
{
|
||||
while (va < endVa)
|
||||
{
|
||||
(MemoryBlock memory, ulong rangeOffset, ulong rangeSize) = GetMemoryOffsetAndSize(va, endVa - va);
|
||||
|
||||
regions.Add(new((UIntPtr)memory.GetPointer(rangeOffset, rangeSize), rangeSize));
|
||||
|
||||
va += rangeSize;
|
||||
}
|
||||
}
|
||||
catch (InvalidMemoryRegionException)
|
||||
{
|
||||
return null;
|
||||
}
|
||||
|
||||
return regions;
|
||||
}
|
||||
|
||||
public IEnumerable<MemoryRange> GetPhysicalRegions(ulong va, ulong size)
|
||||
{
|
||||
if (size == 0)
|
||||
{
|
||||
return Enumerable.Empty<MemoryRange>();
|
||||
}
|
||||
|
||||
return GetPhysicalRegionsImpl(va, size);
|
||||
}
|
||||
|
||||
private List<MemoryRange> GetPhysicalRegionsImpl(ulong va, ulong size)
|
||||
{
|
||||
if (!ValidateAddress(va) || !ValidateAddressAndSize(va, size))
|
||||
{
|
||||
return null;
|
||||
}
|
||||
|
||||
int pages = GetPagesCount(va, (uint)size, out va);
|
||||
|
||||
var regions = new List<MemoryRange>();
|
||||
|
||||
ulong regionStart = GetPhysicalAddressInternal(va);
|
||||
ulong regionSize = PageSize;
|
||||
|
||||
for (int page = 0; page < pages - 1; page++)
|
||||
{
|
||||
if (!ValidateAddress(va + PageSize))
|
||||
{
|
||||
return null;
|
||||
}
|
||||
|
||||
ulong newPa = GetPhysicalAddressInternal(va + PageSize);
|
||||
|
||||
if (GetPhysicalAddressInternal(va) + PageSize != newPa)
|
||||
{
|
||||
regions.Add(new MemoryRange(regionStart, regionSize));
|
||||
regionStart = newPa;
|
||||
regionSize = 0;
|
||||
}
|
||||
|
||||
va += PageSize;
|
||||
regionSize += PageSize;
|
||||
}
|
||||
|
||||
regions.Add(new MemoryRange(regionStart, regionSize));
|
||||
|
||||
return regions;
|
||||
}
|
||||
|
||||
private void ReadImpl(ulong va, Span<byte> data)
|
||||
{
|
||||
if (data.Length == 0)
|
||||
{
|
||||
return;
|
||||
}
|
||||
|
||||
try
|
||||
{
|
||||
AssertValidAddressAndSize(va, (ulong)data.Length);
|
||||
|
||||
ulong endVa = va + (ulong)data.Length;
|
||||
int offset = 0;
|
||||
|
||||
while (va < endVa)
|
||||
{
|
||||
(MemoryBlock memory, ulong rangeOffset, ulong copySize) = GetMemoryOffsetAndSize(va, (ulong)(data.Length - offset));
|
||||
|
||||
memory.GetSpan(rangeOffset, (int)copySize).CopyTo(data.Slice(offset, (int)copySize));
|
||||
|
||||
va += copySize;
|
||||
offset += (int)copySize;
|
||||
}
|
||||
}
|
||||
catch (InvalidMemoryRegionException)
|
||||
{
|
||||
if (_invalidAccessHandler == null || !_invalidAccessHandler(va))
|
||||
{
|
||||
throw;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/// <inheritdoc/>
|
||||
/// <remarks>
|
||||
/// This function also validates that the given range is both valid and mapped, and will throw if it is not.
|
||||
/// </remarks>
|
||||
public void SignalMemoryTracking(ulong va, ulong size, bool write, bool precise = false, int? exemptId = null)
|
||||
{
|
||||
AssertValidAddressAndSize(va, size);
|
||||
|
||||
if (precise)
|
||||
{
|
||||
Tracking.VirtualMemoryEvent(va, size, write, precise: true, exemptId);
|
||||
return;
|
||||
}
|
||||
|
||||
// Software table, used for managed memory tracking.
|
||||
|
||||
_pages.SignalMemoryTracking(Tracking, va, size, write, exemptId);
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Computes the number of pages in a virtual address range.
|
||||
/// </summary>
|
||||
/// <param name="va">Virtual address of the range</param>
|
||||
/// <param name="size">Size of the range</param>
|
||||
/// <param name="startVa">The virtual address of the beginning of the first page</param>
|
||||
/// <remarks>This function does not differentiate between allocated and unallocated pages.</remarks>
|
||||
[MethodImpl(MethodImplOptions.AggressiveInlining)]
|
||||
private int GetPagesCount(ulong va, ulong size, out ulong startVa)
|
||||
{
|
||||
// WARNING: Always check if ulong does not overflow during the operations.
|
||||
startVa = va & ~(ulong)PageMask;
|
||||
ulong vaSpan = (va - startVa + size + PageMask) & ~(ulong)PageMask;
|
||||
|
||||
return (int)(vaSpan / PageSize);
|
||||
}
|
||||
|
||||
public RegionHandle BeginTracking(ulong address, ulong size, int id, RegionFlags flags = RegionFlags.None)
|
||||
{
|
||||
return Tracking.BeginTracking(address, size, id, flags);
|
||||
}
|
||||
|
||||
public MultiRegionHandle BeginGranularTracking(ulong address, ulong size, IEnumerable<IRegionHandle> handles, ulong granularity, int id, RegionFlags flags = RegionFlags.None)
|
||||
{
|
||||
return Tracking.BeginGranularTracking(address, size, handles, granularity, id, flags);
|
||||
}
|
||||
|
||||
public SmartMultiRegionHandle BeginSmartGranularTracking(ulong address, ulong size, ulong granularity, int id)
|
||||
{
|
||||
return Tracking.BeginSmartGranularTracking(address, size, granularity, id);
|
||||
}
|
||||
|
||||
private ulong GetPhysicalAddressChecked(ulong va)
|
||||
{
|
||||
if (!IsMapped(va))
|
||||
{
|
||||
ThrowInvalidMemoryRegionException($"Not mapped: va=0x{va:X16}");
|
||||
}
|
||||
|
||||
return GetPhysicalAddressInternal(va);
|
||||
}
|
||||
|
||||
private ulong GetPhysicalAddressInternal(ulong va)
|
||||
{
|
||||
return _nativePageTable.GetPhysicalAddress(va);
|
||||
}
|
||||
|
||||
/// <inheritdoc/>
|
||||
public void Reprotect(ulong va, ulong size, MemoryPermission protection)
|
||||
{
|
||||
// TODO
|
||||
}
|
||||
|
||||
/// <inheritdoc/>
|
||||
public void TrackingReprotect(ulong va, ulong size, MemoryPermission protection, bool guest)
|
||||
{
|
||||
if (guest)
|
||||
{
|
||||
_addressSpace.Reprotect(va, size, protection);
|
||||
}
|
||||
else
|
||||
{
|
||||
_pages.TrackingReprotect(va, size, protection);
|
||||
}
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Disposes of resources used by the memory manager.
|
||||
/// </summary>
|
||||
protected override void Destroy()
|
||||
{
|
||||
_addressSpace.Dispose();
|
||||
_nativePageTable.Dispose();
|
||||
}
|
||||
|
||||
protected override Span<byte> GetPhysicalAddressSpan(ulong pa, int size)
|
||||
=> _backingMemory.GetSpan(pa, size);
|
||||
|
||||
protected override ulong TranslateVirtualAddressForRead(ulong va)
|
||||
=> GetPhysicalAddressInternal(va);
|
||||
}
|
||||
}
|
||||
223
src/Ryujinx.Cpu/Jit/NativePageTable.cs
Normal file
223
src/Ryujinx.Cpu/Jit/NativePageTable.cs
Normal file
|
|
@ -0,0 +1,223 @@
|
|||
using Ryujinx.Cpu.Signal;
|
||||
using Ryujinx.Memory;
|
||||
using System;
|
||||
using System.Diagnostics;
|
||||
using System.Numerics;
|
||||
using System.Runtime.InteropServices;
|
||||
|
||||
namespace Ryujinx.Cpu.Jit
|
||||
{
|
||||
sealed class NativePageTable : IDisposable
|
||||
{
|
||||
private delegate ulong TrackingEventDelegate(ulong address, ulong size, bool write);
|
||||
|
||||
private const int PageBits = 12;
|
||||
private const int PageSize = 1 << PageBits;
|
||||
private const int PageMask = PageSize - 1;
|
||||
|
||||
private const int PteSize = 8;
|
||||
|
||||
private readonly int _bitsPerPtPage;
|
||||
private readonly int _entriesPerPtPage;
|
||||
private readonly int _pageCommitmentBits;
|
||||
|
||||
private readonly PageTable<ulong> _pageTable;
|
||||
private readonly MemoryBlock _nativePageTable;
|
||||
private readonly ulong[] _pageCommitmentBitmap;
|
||||
private readonly ulong _hostPageSize;
|
||||
|
||||
private readonly TrackingEventDelegate _trackingEvent;
|
||||
|
||||
private bool _disposed;
|
||||
|
||||
public IntPtr PageTablePointer => _nativePageTable.Pointer;
|
||||
|
||||
public NativePageTable(ulong asSize)
|
||||
{
|
||||
ulong hostPageSize = MemoryBlock.GetPageSize();
|
||||
|
||||
_entriesPerPtPage = (int)(hostPageSize / sizeof(ulong));
|
||||
_bitsPerPtPage = BitOperations.Log2((uint)_entriesPerPtPage);
|
||||
_pageCommitmentBits = PageBits + _bitsPerPtPage;
|
||||
|
||||
_hostPageSize = hostPageSize;
|
||||
_pageTable = new PageTable<ulong>();
|
||||
_nativePageTable = new MemoryBlock((asSize / PageSize) * PteSize + _hostPageSize, MemoryAllocationFlags.Reserve);
|
||||
_pageCommitmentBitmap = new ulong[(asSize >> _pageCommitmentBits) / (sizeof(ulong) * 8)];
|
||||
|
||||
ulong ptStart = (ulong)_nativePageTable.Pointer;
|
||||
ulong ptEnd = ptStart + _nativePageTable.Size;
|
||||
|
||||
_trackingEvent = VirtualMemoryEvent;
|
||||
|
||||
bool added = NativeSignalHandler.AddTrackedRegion((nuint)ptStart, (nuint)ptEnd, Marshal.GetFunctionPointerForDelegate(_trackingEvent));
|
||||
|
||||
if (!added)
|
||||
{
|
||||
throw new InvalidOperationException("Number of allowed tracked regions exceeded.");
|
||||
}
|
||||
}
|
||||
|
||||
public void Map(ulong va, ulong pa, ulong size, AddressSpacePartitioned addressSpace, MemoryBlock backingMemory, bool privateMap)
|
||||
{
|
||||
while (size != 0)
|
||||
{
|
||||
_pageTable.Map(va, pa);
|
||||
|
||||
EnsureCommitment(va);
|
||||
|
||||
if (privateMap)
|
||||
{
|
||||
_nativePageTable.Write((va / PageSize) * PteSize, GetPte(va, addressSpace.GetPointer(va, PageSize)));
|
||||
}
|
||||
else
|
||||
{
|
||||
_nativePageTable.Write((va / PageSize) * PteSize, GetPte(va, backingMemory.GetPointer(pa, PageSize)));
|
||||
}
|
||||
|
||||
va += PageSize;
|
||||
pa += PageSize;
|
||||
size -= PageSize;
|
||||
}
|
||||
}
|
||||
|
||||
public void Unmap(ulong va, ulong size)
|
||||
{
|
||||
IntPtr guardPagePtr = GetGuardPagePointer();
|
||||
|
||||
while (size != 0)
|
||||
{
|
||||
_pageTable.Unmap(va);
|
||||
_nativePageTable.Write((va / PageSize) * PteSize, GetPte(va, guardPagePtr));
|
||||
|
||||
va += PageSize;
|
||||
size -= PageSize;
|
||||
}
|
||||
}
|
||||
|
||||
public ulong Read(ulong va)
|
||||
{
|
||||
ulong pte = _nativePageTable.Read<ulong>((va / PageSize) * PteSize);
|
||||
|
||||
pte += va & ~(ulong)PageMask;
|
||||
|
||||
return pte + (va & PageMask);
|
||||
}
|
||||
|
||||
public void Update(ulong va, IntPtr ptr, ulong size)
|
||||
{
|
||||
ulong remainingSize = size;
|
||||
|
||||
while (remainingSize != 0)
|
||||
{
|
||||
EnsureCommitment(va);
|
||||
|
||||
_nativePageTable.Write((va / PageSize) * PteSize, GetPte(va, ptr));
|
||||
|
||||
va += PageSize;
|
||||
ptr += PageSize;
|
||||
remainingSize -= PageSize;
|
||||
}
|
||||
}
|
||||
|
||||
private void EnsureCommitment(ulong va)
|
||||
{
|
||||
ulong bit = va >> _pageCommitmentBits;
|
||||
|
||||
int index = (int)(bit / (sizeof(ulong) * 8));
|
||||
int shift = (int)(bit % (sizeof(ulong) * 8));
|
||||
|
||||
ulong mask = 1UL << shift;
|
||||
|
||||
ulong oldMask = _pageCommitmentBitmap[index];
|
||||
|
||||
if ((oldMask & mask) == 0)
|
||||
{
|
||||
lock (_pageCommitmentBitmap)
|
||||
{
|
||||
oldMask = _pageCommitmentBitmap[index];
|
||||
|
||||
if ((oldMask & mask) != 0)
|
||||
{
|
||||
return;
|
||||
}
|
||||
|
||||
_nativePageTable.Commit(bit * _hostPageSize, _hostPageSize);
|
||||
|
||||
Span<ulong> pageSpan = MemoryMarshal.Cast<byte, ulong>(_nativePageTable.GetSpan(bit * _hostPageSize, (int)_hostPageSize));
|
||||
|
||||
Debug.Assert(pageSpan.Length == _entriesPerPtPage);
|
||||
|
||||
IntPtr guardPagePtr = GetGuardPagePointer();
|
||||
|
||||
for (int i = 0; i < pageSpan.Length; i++)
|
||||
{
|
||||
pageSpan[i] = GetPte((bit << _pageCommitmentBits) | ((ulong)i * PageSize), guardPagePtr);
|
||||
}
|
||||
|
||||
_pageCommitmentBitmap[index] = oldMask | mask;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
private IntPtr GetGuardPagePointer()
|
||||
{
|
||||
return _nativePageTable.GetPointer(_nativePageTable.Size - _hostPageSize, _hostPageSize);
|
||||
}
|
||||
|
||||
private static ulong GetPte(ulong va, IntPtr ptr)
|
||||
{
|
||||
Debug.Assert((va & PageMask) == 0);
|
||||
|
||||
return (ulong)ptr - va;
|
||||
}
|
||||
|
||||
public ulong GetPhysicalAddress(ulong va)
|
||||
{
|
||||
return _pageTable.Read(va) + (va & PageMask);
|
||||
}
|
||||
|
||||
private ulong VirtualMemoryEvent(ulong address, ulong size, bool write)
|
||||
{
|
||||
if (address < _nativePageTable.Size - _hostPageSize)
|
||||
{
|
||||
// Some prefetch instructions do not cause faults with invalid addresses.
|
||||
// Retry if we are hiting a case where the page table is unmapped, the next
|
||||
// run will execute the actual instruction.
|
||||
// The address loaded from the page table will be invalid, and it should hit the else case
|
||||
// if the instruction faults on unmapped or protected memory.
|
||||
|
||||
ulong va = address * (PageSize / sizeof(ulong));
|
||||
|
||||
EnsureCommitment(va);
|
||||
|
||||
return (ulong)_nativePageTable.Pointer + address;
|
||||
}
|
||||
else
|
||||
{
|
||||
throw new InvalidMemoryRegionException();
|
||||
}
|
||||
}
|
||||
|
||||
private void Dispose(bool disposing)
|
||||
{
|
||||
if (!_disposed)
|
||||
{
|
||||
if (disposing)
|
||||
{
|
||||
NativeSignalHandler.RemoveTrackedRegion((nuint)_nativePageTable.Pointer);
|
||||
|
||||
_nativePageTable.Dispose();
|
||||
}
|
||||
|
||||
_disposed = true;
|
||||
}
|
||||
}
|
||||
|
||||
public void Dispose()
|
||||
{
|
||||
Dispose(disposing: true);
|
||||
GC.SuppressFinalize(this);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -1126,11 +1126,23 @@ namespace Ryujinx.Cpu.LightningJit.Arm32.Target.Arm64
|
|||
Operand destination64 = new(destination.Kind, OperandType.I64, destination.Value);
|
||||
Operand basePointer = new(regAlloc.FixedPageTableRegister, RegisterType.Integer, OperandType.I64);
|
||||
|
||||
if (mmType == MemoryManagerType.HostMapped || mmType == MemoryManagerType.HostMappedUnsafe)
|
||||
{
|
||||
// We don't need to mask the address for the safe mode, since it is already naturally limited to 32-bit
|
||||
// and can never reach out of the guest address space.
|
||||
// We don't need to mask the address for the safe mode, since it is already naturally limited to 32-bit
|
||||
// and can never reach out of the guest address space.
|
||||
|
||||
if (mmType.IsHostTracked())
|
||||
{
|
||||
int tempRegister = regAlloc.AllocateTempGprRegister();
|
||||
|
||||
Operand pte = new(tempRegister, RegisterType.Integer, OperandType.I64);
|
||||
|
||||
asm.Lsr(pte, guestAddress, new Operand(OperandKind.Constant, OperandType.I32, 12));
|
||||
asm.LdrRr(pte, basePointer, pte, ArmExtensionType.Uxtx, true);
|
||||
asm.Add(destination64, pte, guestAddress);
|
||||
|
||||
regAlloc.FreeTempGprRegister(tempRegister);
|
||||
}
|
||||
else if (mmType.IsHostMapped())
|
||||
{
|
||||
asm.Add(destination64, basePointer, guestAddress);
|
||||
}
|
||||
else
|
||||
|
|
|
|||
|
|
@ -1,15 +1,12 @@
|
|||
using ARMeilleure.Memory;
|
||||
using Ryujinx.Cpu.LightningJit.CodeGen.Arm64;
|
||||
using System;
|
||||
using System.Diagnostics;
|
||||
using System.Numerics;
|
||||
|
||||
namespace Ryujinx.Cpu.LightningJit.Arm64
|
||||
{
|
||||
class RegisterAllocator
|
||||
{
|
||||
public const int MaxTemps = 1;
|
||||
public const int MaxTempsInclFixed = MaxTemps + 2;
|
||||
|
||||
private uint _gprMask;
|
||||
private readonly uint _fpSimdMask;
|
||||
private readonly uint _pStateMask;
|
||||
|
|
@ -25,7 +22,7 @@ namespace Ryujinx.Cpu.LightningJit.Arm64
|
|||
public uint AllFpSimdMask => _fpSimdMask;
|
||||
public uint AllPStateMask => _pStateMask;
|
||||
|
||||
public RegisterAllocator(uint gprMask, uint fpSimdMask, uint pStateMask, bool hasHostCall)
|
||||
public RegisterAllocator(MemoryManagerType mmType, uint gprMask, uint fpSimdMask, uint pStateMask, bool hasHostCall)
|
||||
{
|
||||
_gprMask = gprMask;
|
||||
_fpSimdMask = fpSimdMask;
|
||||
|
|
@ -56,7 +53,7 @@ namespace Ryujinx.Cpu.LightningJit.Arm64
|
|||
|
||||
BuildRegisterMap(_registerMap);
|
||||
|
||||
Span<int> tempRegisters = stackalloc int[MaxTemps];
|
||||
Span<int> tempRegisters = stackalloc int[CalculateMaxTemps(mmType)];
|
||||
|
||||
for (int index = 0; index < tempRegisters.Length; index++)
|
||||
{
|
||||
|
|
@ -150,5 +147,15 @@ namespace Ryujinx.Cpu.LightningJit.Arm64
|
|||
{
|
||||
mask &= ~(1u << index);
|
||||
}
|
||||
|
||||
public static int CalculateMaxTemps(MemoryManagerType mmType)
|
||||
{
|
||||
return mmType.IsHostMapped() ? 1 : 2;
|
||||
}
|
||||
|
||||
public static int CalculateMaxTempsInclFixed(MemoryManagerType mmType)
|
||||
{
|
||||
return CalculateMaxTemps(mmType) + 2;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
|
|||
|
|
@ -316,7 +316,7 @@ namespace Ryujinx.Cpu.LightningJit.Arm64.Target.Arm64
|
|||
uint pStateUseMask = multiBlock.GlobalUseMask.PStateMask;
|
||||
|
||||
CodeWriter writer = new();
|
||||
RegisterAllocator regAlloc = new(gprUseMask, fpSimdUseMask, pStateUseMask, multiBlock.HasHostCall);
|
||||
RegisterAllocator regAlloc = new(memoryManager.Type, gprUseMask, fpSimdUseMask, pStateUseMask, multiBlock.HasHostCall);
|
||||
RegisterSaveRestore rsr = new(
|
||||
regAlloc.AllGprMask & AbiConstants.GprCalleeSavedRegsMask,
|
||||
regAlloc.AllFpSimdMask & AbiConstants.FpSimdCalleeSavedRegsMask,
|
||||
|
|
|
|||
|
|
@ -274,7 +274,8 @@ namespace Ryujinx.Cpu.LightningJit.Arm64.Target.Arm64
|
|||
|
||||
uint tempGprUseMask = gprUseMask | instGprReadMask | instGprWriteMask;
|
||||
|
||||
if (CalculateAvailableTemps(tempGprUseMask) < CalculateRequiredGprTemps(tempGprUseMask) || totalInsts++ >= MaxInstructionsPerFunction)
|
||||
if (CalculateAvailableTemps(tempGprUseMask) < CalculateRequiredGprTemps(memoryManager.Type, tempGprUseMask) ||
|
||||
totalInsts++ >= MaxInstructionsPerFunction)
|
||||
{
|
||||
isTruncated = true;
|
||||
address -= 4UL;
|
||||
|
|
@ -378,9 +379,9 @@ namespace Ryujinx.Cpu.LightningJit.Arm64.Target.Arm64
|
|||
return false;
|
||||
}
|
||||
|
||||
private static int CalculateRequiredGprTemps(uint gprUseMask)
|
||||
private static int CalculateRequiredGprTemps(MemoryManagerType mmType, uint gprUseMask)
|
||||
{
|
||||
return BitOperations.PopCount(gprUseMask & RegisterUtils.ReservedRegsMask) + RegisterAllocator.MaxTempsInclFixed;
|
||||
return BitOperations.PopCount(gprUseMask & RegisterUtils.ReservedRegsMask) + RegisterAllocator.CalculateMaxTempsInclFixed(mmType);
|
||||
}
|
||||
|
||||
private static int CalculateAvailableTemps(uint gprUseMask)
|
||||
|
|
|
|||
|
|
@ -522,7 +522,25 @@ namespace Ryujinx.Cpu.LightningJit.Arm64.Target.Arm64
|
|||
{
|
||||
Operand basePointer = new(regAlloc.FixedPageTableRegister, RegisterType.Integer, OperandType.I64);
|
||||
|
||||
if (mmType == MemoryManagerType.HostMapped || mmType == MemoryManagerType.HostMappedUnsafe)
|
||||
if (mmType.IsHostTracked())
|
||||
{
|
||||
int tempRegister = regAlloc.AllocateTempGprRegister();
|
||||
|
||||
Operand pte = new(tempRegister, RegisterType.Integer, OperandType.I64);
|
||||
|
||||
asm.Lsr(pte, guestAddress, new Operand(OperandKind.Constant, OperandType.I32, 12));
|
||||
|
||||
if (mmType == MemoryManagerType.HostTracked)
|
||||
{
|
||||
asm.And(pte, pte, new Operand(OperandKind.Constant, OperandType.I64, ulong.MaxValue >> (64 - (asBits - 12))));
|
||||
}
|
||||
|
||||
asm.LdrRr(pte, basePointer, pte, ArmExtensionType.Uxtx, true);
|
||||
asm.Add(destination, pte, guestAddress);
|
||||
|
||||
regAlloc.FreeTempGprRegister(tempRegister);
|
||||
}
|
||||
else if (mmType.IsHostMapped())
|
||||
{
|
||||
if (mmType == MemoryManagerType.HostMapped)
|
||||
{
|
||||
|
|
|
|||
|
|
@ -68,9 +68,9 @@ namespace Ryujinx.Cpu.LightningJit
|
|||
|
||||
FunctionTable.Fill = (ulong)Stubs.SlowDispatchStub;
|
||||
|
||||
if (memory.Type.IsHostMapped())
|
||||
if (memory.Type.IsHostMappedOrTracked())
|
||||
{
|
||||
NativeSignalHandler.InitializeSignalHandler(MemoryBlock.GetPageSize());
|
||||
NativeSignalHandler.InitializeSignalHandler();
|
||||
}
|
||||
}
|
||||
|
||||
|
|
|
|||
|
|
@ -1,3 +1,4 @@
|
|||
using Ryujinx.Common;
|
||||
using Ryujinx.Cpu.Signal;
|
||||
using Ryujinx.Memory;
|
||||
using Ryujinx.Memory.Tracking;
|
||||
|
|
@ -8,19 +9,27 @@ namespace Ryujinx.Cpu
|
|||
{
|
||||
public class MemoryEhMeilleure : IDisposable
|
||||
{
|
||||
private delegate bool TrackingEventDelegate(ulong address, ulong size, bool write);
|
||||
public delegate ulong TrackingEventDelegate(ulong address, ulong size, bool write);
|
||||
|
||||
private readonly MemoryTracking _tracking;
|
||||
private readonly TrackingEventDelegate _trackingEvent;
|
||||
|
||||
private readonly ulong _pageSize;
|
||||
|
||||
private readonly ulong _baseAddress;
|
||||
private readonly ulong _mirrorAddress;
|
||||
|
||||
public MemoryEhMeilleure(MemoryBlock addressSpace, MemoryBlock addressSpaceMirror, MemoryTracking tracking)
|
||||
public MemoryEhMeilleure(MemoryBlock addressSpace, MemoryBlock addressSpaceMirror, MemoryTracking tracking, TrackingEventDelegate trackingEvent = null)
|
||||
{
|
||||
_baseAddress = (ulong)addressSpace.Pointer;
|
||||
|
||||
ulong endAddress = _baseAddress + addressSpace.Size;
|
||||
|
||||
_trackingEvent = tracking.VirtualMemoryEvent;
|
||||
_tracking = tracking;
|
||||
_trackingEvent = trackingEvent ?? VirtualMemoryEvent;
|
||||
|
||||
_pageSize = MemoryBlock.GetPageSize();
|
||||
|
||||
bool added = NativeSignalHandler.AddTrackedRegion((nuint)_baseAddress, (nuint)endAddress, Marshal.GetFunctionPointerForDelegate(_trackingEvent));
|
||||
|
||||
if (!added)
|
||||
|
|
@ -28,7 +37,7 @@ namespace Ryujinx.Cpu
|
|||
throw new InvalidOperationException("Number of allowed tracked regions exceeded.");
|
||||
}
|
||||
|
||||
if (OperatingSystem.IsWindows())
|
||||
if (OperatingSystem.IsWindows() && addressSpaceMirror != null)
|
||||
{
|
||||
// Add a tracking event with no signal handler for the mirror on Windows.
|
||||
// The native handler has its own code to check for the partial overlap race when regions are protected by accident,
|
||||
|
|
@ -46,6 +55,21 @@ namespace Ryujinx.Cpu
|
|||
}
|
||||
}
|
||||
|
||||
private ulong VirtualMemoryEvent(ulong address, ulong size, bool write)
|
||||
{
|
||||
ulong pageSize = _pageSize;
|
||||
ulong addressAligned = BitUtils.AlignDown(address, pageSize);
|
||||
ulong endAddressAligned = BitUtils.AlignUp(address + size, pageSize);
|
||||
ulong sizeAligned = endAddressAligned - addressAligned;
|
||||
|
||||
if (_tracking.VirtualMemoryEvent(addressAligned, sizeAligned, write))
|
||||
{
|
||||
return _baseAddress + address;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
public void Dispose()
|
||||
{
|
||||
GC.SuppressFinalize(this);
|
||||
|
|
|
|||
|
|
@ -143,7 +143,7 @@ namespace Ryujinx.Cpu
|
|||
}
|
||||
}
|
||||
|
||||
public PrivateMemoryAllocator(int blockAlignment, MemoryAllocationFlags allocationFlags) : base(blockAlignment, allocationFlags)
|
||||
public PrivateMemoryAllocator(ulong blockAlignment, MemoryAllocationFlags allocationFlags) : base(blockAlignment, allocationFlags)
|
||||
{
|
||||
}
|
||||
|
||||
|
|
@ -180,10 +180,10 @@ namespace Ryujinx.Cpu
|
|||
|
||||
private readonly List<T> _blocks;
|
||||
|
||||
private readonly int _blockAlignment;
|
||||
private readonly ulong _blockAlignment;
|
||||
private readonly MemoryAllocationFlags _allocationFlags;
|
||||
|
||||
public PrivateMemoryAllocatorImpl(int blockAlignment, MemoryAllocationFlags allocationFlags)
|
||||
public PrivateMemoryAllocatorImpl(ulong blockAlignment, MemoryAllocationFlags allocationFlags)
|
||||
{
|
||||
_blocks = new List<T>();
|
||||
_blockAlignment = blockAlignment;
|
||||
|
|
@ -212,7 +212,7 @@ namespace Ryujinx.Cpu
|
|||
}
|
||||
}
|
||||
|
||||
ulong blockAlignedSize = BitUtils.AlignUp(size, (ulong)_blockAlignment);
|
||||
ulong blockAlignedSize = BitUtils.AlignUp(size, _blockAlignment);
|
||||
|
||||
var memory = new MemoryBlock(blockAlignedSize, _allocationFlags);
|
||||
var newBlock = createBlock(memory, blockAlignedSize);
|
||||
|
|
|
|||
|
|
@ -70,7 +70,7 @@ namespace Ryujinx.Cpu.Signal
|
|||
config = new SignalHandlerConfig();
|
||||
}
|
||||
|
||||
public static void InitializeSignalHandler(ulong pageSize, Func<IntPtr, IntPtr, IntPtr> customSignalHandlerFactory = null)
|
||||
public static void InitializeSignalHandler(Func<IntPtr, IntPtr, IntPtr> customSignalHandlerFactory = null)
|
||||
{
|
||||
if (_initialized)
|
||||
{
|
||||
|
|
@ -90,7 +90,7 @@ namespace Ryujinx.Cpu.Signal
|
|||
|
||||
if (OperatingSystem.IsLinux() || OperatingSystem.IsMacOS())
|
||||
{
|
||||
_signalHandlerPtr = MapCode(NativeSignalHandlerGenerator.GenerateUnixSignalHandler(_handlerConfig, rangeStructSize, pageSize));
|
||||
_signalHandlerPtr = MapCode(NativeSignalHandlerGenerator.GenerateUnixSignalHandler(_handlerConfig, rangeStructSize));
|
||||
|
||||
if (customSignalHandlerFactory != null)
|
||||
{
|
||||
|
|
@ -107,7 +107,7 @@ namespace Ryujinx.Cpu.Signal
|
|||
config.StructAddressOffset = 40; // ExceptionInformation1
|
||||
config.StructWriteOffset = 32; // ExceptionInformation0
|
||||
|
||||
_signalHandlerPtr = MapCode(NativeSignalHandlerGenerator.GenerateWindowsSignalHandler(_handlerConfig, rangeStructSize, pageSize));
|
||||
_signalHandlerPtr = MapCode(NativeSignalHandlerGenerator.GenerateWindowsSignalHandler(_handlerConfig, rangeStructSize));
|
||||
|
||||
if (customSignalHandlerFactory != null)
|
||||
{
|
||||
|
|
@ -175,5 +175,10 @@ namespace Ryujinx.Cpu.Signal
|
|||
|
||||
return false;
|
||||
}
|
||||
|
||||
public static bool SupportsFaultAddressPatching()
|
||||
{
|
||||
return NativeSignalHandlerGenerator.SupportsFaultAddressPatchingForHost();
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
|
|||
|
|
@ -1,4 +1,4 @@
|
|||
using Ryujinx.Common.Configuration;
|
||||
using Ryujinx.Common.Configuration;
|
||||
using Ryujinx.Common.Logging;
|
||||
using Ryujinx.Cpu;
|
||||
using Ryujinx.Cpu.AppleHv;
|
||||
|
|
@ -72,7 +72,8 @@ namespace Ryujinx.HLE.HOS
|
|||
|
||||
AddressSpace addressSpace = null;
|
||||
|
||||
if (mode == MemoryManagerMode.HostMapped || mode == MemoryManagerMode.HostMappedUnsafe)
|
||||
// We want to use host tracked mode if the host page size is > 4KB.
|
||||
if ((mode == MemoryManagerMode.HostMapped || mode == MemoryManagerMode.HostMappedUnsafe) && MemoryBlock.GetPageSize() <= 0x1000)
|
||||
{
|
||||
if (!AddressSpace.TryCreate(context.Memory, addressSpaceSize, MemoryBlock.GetPageSize() == MemoryManagerHostMapped.PageSize, out addressSpace))
|
||||
{
|
||||
|
|
@ -91,13 +92,21 @@ namespace Ryujinx.HLE.HOS
|
|||
|
||||
case MemoryManagerMode.HostMapped:
|
||||
case MemoryManagerMode.HostMappedUnsafe:
|
||||
if (addressSpaceSize != addressSpace.AddressSpaceSize)
|
||||
if (addressSpace == null)
|
||||
{
|
||||
Logger.Warning?.Print(LogClass.Emulation, $"Allocated address space (0x{addressSpace.AddressSpaceSize:X}) is smaller than guest application requirements (0x{addressSpaceSize:X})");
|
||||
var memoryManagerHostTracked = new MemoryManagerHostTracked(context.Memory, addressSpaceSize, mode == MemoryManagerMode.HostMappedUnsafe, invalidAccessHandler);
|
||||
processContext = new ArmProcessContext<MemoryManagerHostTracked>(pid, cpuEngine, _gpu, memoryManagerHostTracked, addressSpaceSize, for64Bit);
|
||||
}
|
||||
else
|
||||
{
|
||||
if (addressSpaceSize != addressSpace.AddressSpaceSize)
|
||||
{
|
||||
Logger.Warning?.Print(LogClass.Emulation, $"Allocated address space (0x{addressSpace.AddressSpaceSize:X}) is smaller than guest application requirements (0x{addressSpaceSize:X})");
|
||||
}
|
||||
|
||||
var memoryManagerHostMapped = new MemoryManagerHostMapped(addressSpace, mode == MemoryManagerMode.HostMappedUnsafe, invalidAccessHandler);
|
||||
processContext = new ArmProcessContext<MemoryManagerHostMapped>(pid, cpuEngine, _gpu, memoryManagerHostMapped, addressSpace.AddressSpaceSize, for64Bit);
|
||||
var memoryManagerHostMapped = new MemoryManagerHostMapped(addressSpace, mode == MemoryManagerMode.HostMappedUnsafe, invalidAccessHandler);
|
||||
processContext = new ArmProcessContext<MemoryManagerHostMapped>(pid, cpuEngine, _gpu, memoryManagerHostMapped, addressSpace.AddressSpaceSize, for64Bit);
|
||||
}
|
||||
break;
|
||||
|
||||
default:
|
||||
|
|
|
|||
|
|
@ -165,6 +165,29 @@ namespace Ryujinx.HLE.HOS.Kernel.Memory
|
|||
/// <inheritdoc/>
|
||||
protected override Result MapForeign(IEnumerable<HostMemoryRange> regions, ulong va, ulong size)
|
||||
{
|
||||
ulong backingStart = (ulong)Context.Memory.Pointer;
|
||||
ulong backingEnd = backingStart + Context.Memory.Size;
|
||||
|
||||
KPageList pageList = new();
|
||||
|
||||
foreach (HostMemoryRange region in regions)
|
||||
{
|
||||
// If the range is inside the physical memory, it is shared and we should increment the page count,
|
||||
// otherwise it is private and we don't need to increment the page count.
|
||||
|
||||
if (region.Address >= backingStart && region.Address < backingEnd)
|
||||
{
|
||||
pageList.AddRange(region.Address - backingStart + DramMemoryMap.DramBase, region.Size / PageSize);
|
||||
}
|
||||
}
|
||||
|
||||
using var scopedPageList = new KScopedPageList(Context.MemoryManager, pageList);
|
||||
|
||||
foreach (var pageNode in pageList)
|
||||
{
|
||||
Context.CommitMemory(pageNode.Address - DramMemoryMap.DramBase, pageNode.PagesCount * PageSize);
|
||||
}
|
||||
|
||||
ulong offset = 0;
|
||||
|
||||
foreach (var region in regions)
|
||||
|
|
@ -174,6 +197,8 @@ namespace Ryujinx.HLE.HOS.Kernel.Memory
|
|||
offset += region.Size;
|
||||
}
|
||||
|
||||
scopedPageList.SignalSuccess();
|
||||
|
||||
return Result.Success;
|
||||
}
|
||||
|
||||
|
|
|
|||
|
|
@ -283,9 +283,9 @@ namespace Ryujinx.Memory
|
|||
{
|
||||
var hostRegion = hostRegions[i];
|
||||
|
||||
if ((ulong)hostRegion.Address >= backingStart && (ulong)hostRegion.Address < backingEnd)
|
||||
if (hostRegion.Address >= backingStart && hostRegion.Address < backingEnd)
|
||||
{
|
||||
regions[count++] = new MemoryRange((ulong)hostRegion.Address - backingStart, hostRegion.Size);
|
||||
regions[count++] = new MemoryRange(hostRegion.Address - backingStart, hostRegion.Size);
|
||||
}
|
||||
}
|
||||
|
||||
|
|
|
|||
|
|
@ -1,4 +1,4 @@
|
|||
using Ryujinx.Common.Pools;
|
||||
using Ryujinx.Common.Pools;
|
||||
using Ryujinx.Memory.Range;
|
||||
using System.Collections.Generic;
|
||||
|
||||
|
|
|
|||
Loading…
Add table
Reference in a new issue