diff --git a/src/Ryujinx.Cpu/Jit/MemoryManagerHostTracked.cs b/src/Ryujinx.Cpu/Jit/MemoryManagerHostTracked.cs index 0acb57be42..7733e8486f 100644 --- a/src/Ryujinx.Cpu/Jit/MemoryManagerHostTracked.cs +++ b/src/Ryujinx.Cpu/Jit/MemoryManagerHostTracked.cs @@ -85,6 +85,61 @@ namespace Ryujinx.Cpu.Jit _addressSpace = new(Tracking, backingMemory, _nativePageTable, useProtectionMirrors); } + public override ReadOnlySequence GetReadOnlySequence(ulong va, int size, bool tracked = false) + { + if (size == 0) + { + return ReadOnlySequence.Empty; + } + + try + { + AssertValidAddressAndSize(va, (ulong)size); + + ulong endVa = va + (ulong)size; + int offset = 0; + + BytesReadOnlySequenceSegment first = null, last = null; + + while (va < endVa) + { + (MemoryBlock memory, ulong rangeOffset, ulong copySize) = GetMemoryOffsetAndSize(va, (ulong)(size - offset)); + + Memory physicalMemory = memory.GetMemory(rangeOffset, (int)copySize); + + if (first is null) + { + first = last = new BytesReadOnlySequenceSegment(physicalMemory); + } + else + { + if (last.IsContiguousWith(physicalMemory, out nuint contiguousStart, out int contiguousSize)) + { + last.Replace(GetPhysicalAddressMemory(contiguousStart, contiguousSize)); + } + else + { + last = last.Append(physicalMemory); + } + } + + va += copySize; + offset += (int)copySize; + } + + return new ReadOnlySequence(first, 0, last, (int)(size - last.RunningIndex)); + } + catch (InvalidMemoryRegionException) + { + if (_invalidAccessHandler == null || !_invalidAccessHandler(va)) + { + throw; + } + + return ReadOnlySequence.Empty; + } + } + /// public void Map(ulong va, ulong pa, ulong size, MemoryMapFlags flags) {