forked from Mirror/Ryujinx
419 lines
No EOL
14 KiB
C#
419 lines
No EOL
14 KiB
C#
using LibHac.Loader;
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using LibHac.Ncm;
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using LibHac.Util;
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using Ryujinx.Common;
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using Ryujinx.Common.Logging;
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using Ryujinx.Cpu;
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using Ryujinx.HLE.HOS.Kernel;
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using Ryujinx.HLE.HOS.Kernel.Common;
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using Ryujinx.HLE.HOS.Kernel.Memory;
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using Ryujinx.HLE.HOS.Kernel.Process;
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using Ryujinx.HLE.Loaders.Executables;
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using Ryujinx.Horizon.Common;
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using System;
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using System.Linq;
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using System.Runtime.InteropServices;
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using Npdm = LibHac.Loader.Npdm;
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namespace Ryujinx.HLE.HOS
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{
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struct ProgramInfo
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{
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public string Name;
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public ulong ProgramId;
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public readonly string TitleIdText;
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public readonly string DisplayVersion;
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public readonly bool DiskCacheEnabled;
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public readonly bool AllowCodeMemoryForJit;
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public ProgramInfo(in Npdm npdm, string displayVersion, bool diskCacheEnabled, bool allowCodeMemoryForJit)
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{
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ulong programId = npdm.Aci.Value.ProgramId.Value;
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Name = StringUtils.Utf8ZToString(npdm.Meta.Value.ProgramName);
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ProgramId = programId;
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TitleIdText = programId.ToString("x16");
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DisplayVersion = displayVersion;
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DiskCacheEnabled = diskCacheEnabled;
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AllowCodeMemoryForJit = allowCodeMemoryForJit;
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}
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}
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struct ProgramLoadResult
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{
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public static ProgramLoadResult Failed => new ProgramLoadResult(false, null, null);
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public readonly bool Success;
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public readonly ProcessTamperInfo TamperInfo;
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public readonly IDiskCacheLoadState DiskCacheLoadState;
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public ProgramLoadResult(bool success, ProcessTamperInfo tamperInfo, IDiskCacheLoadState diskCacheLoadState)
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{
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Success = success;
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TamperInfo = tamperInfo;
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DiskCacheLoadState = diskCacheLoadState;
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}
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}
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static class ProgramLoader
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{
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private const bool AslrEnabled = true;
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private const int ArgsHeaderSize = 8;
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private const int ArgsDataSize = 0x9000;
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private const int ArgsTotalSize = ArgsHeaderSize + ArgsDataSize;
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public static bool LoadKip(KernelContext context, KipExecutable kip)
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{
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uint endOffset = kip.DataOffset + (uint)kip.Data.Length;
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if (kip.BssSize != 0)
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{
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endOffset = kip.BssOffset + kip.BssSize;
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}
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uint codeSize = BitUtils.AlignUp<uint>(kip.TextOffset + endOffset, KPageTableBase.PageSize);
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int codePagesCount = (int)(codeSize / KPageTableBase.PageSize);
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ulong codeBaseAddress = kip.Is64BitAddressSpace ? 0x8000000UL : 0x200000UL;
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ulong codeAddress = codeBaseAddress + (ulong)kip.TextOffset;
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ProcessCreationFlags flags = 0;
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if (AslrEnabled)
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{
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// TODO: Randomization.
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flags |= ProcessCreationFlags.EnableAslr;
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}
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if (kip.Is64BitAddressSpace)
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{
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flags |= ProcessCreationFlags.AddressSpace64Bit;
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}
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if (kip.Is64Bit)
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{
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flags |= ProcessCreationFlags.Is64Bit;
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}
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ProcessCreationInfo creationInfo = new ProcessCreationInfo(
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kip.Name,
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kip.Version,
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kip.ProgramId,
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codeAddress,
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codePagesCount,
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flags,
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0,
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0);
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MemoryRegion memoryRegion = kip.UsesSecureMemory
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? MemoryRegion.Service
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: MemoryRegion.Application;
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KMemoryRegionManager region = context.MemoryManager.MemoryRegions[(int)memoryRegion];
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Result result = region.AllocatePages(out KPageList pageList, (ulong)codePagesCount);
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if (result != Result.Success)
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{
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Logger.Error?.Print(LogClass.Loader, $"Process initialization returned error \"{result}\".");
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return false;
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}
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KProcess process = new KProcess(context);
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var processContextFactory = new ArmProcessContextFactory(
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context.Device.System.CpuEngine,
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context.Device.Gpu,
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string.Empty,
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string.Empty,
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false,
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codeAddress,
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codeSize);
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result = process.InitializeKip(
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creationInfo,
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kip.Capabilities,
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pageList,
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context.ResourceLimit,
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memoryRegion,
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processContextFactory);
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if (result != Result.Success)
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{
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Logger.Error?.Print(LogClass.Loader, $"Process initialization returned error \"{result}\".");
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return false;
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}
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result = LoadIntoMemory(process, kip, codeBaseAddress);
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if (result != Result.Success)
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{
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Logger.Error?.Print(LogClass.Loader, $"Process initialization returned error \"{result}\".");
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return false;
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}
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process.DefaultCpuCore = kip.IdealCoreId;
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result = process.Start(kip.Priority, (ulong)kip.StackSize);
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if (result != Result.Success)
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{
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Logger.Error?.Print(LogClass.Loader, $"Process start returned error \"{result}\".");
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return false;
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}
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context.Processes.TryAdd(process.Pid, process);
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return true;
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}
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public static ProgramLoadResult LoadNsos(
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KernelContext context,
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MetaLoader metaData,
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ProgramInfo programInfo,
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byte[] arguments = null,
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params IExecutable[] executables)
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{
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LibHac.Result rc = metaData.GetNpdm(out var npdm);
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if (rc.IsFailure())
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{
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return ProgramLoadResult.Failed;
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}
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ref readonly var meta = ref npdm.Meta.Value;
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ulong argsStart = 0;
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uint argsSize = 0;
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ulong codeStart = (meta.Flags & 1) != 0 ? 0x8000000UL : 0x200000UL;
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uint codeSize = 0;
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var buildIds = executables.Select(e => (e switch
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{
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NsoExecutable nso => BitConverter.ToString(nso.BuildId.ItemsRo.ToArray()),
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NroExecutable nro => BitConverter.ToString(nro.Header.BuildId),
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_ => ""
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}).Replace("-", "").ToUpper());
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ulong[] nsoBase = new ulong[executables.Length];
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for (int index = 0; index < executables.Length; index++)
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{
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IExecutable nso = executables[index];
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uint textEnd = nso.TextOffset + (uint)nso.Text.Length;
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uint roEnd = nso.RoOffset + (uint)nso.Ro.Length;
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uint dataEnd = nso.DataOffset + (uint)nso.Data.Length + nso.BssSize;
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uint nsoSize = textEnd;
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if (nsoSize < roEnd)
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{
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nsoSize = roEnd;
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}
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if (nsoSize < dataEnd)
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{
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nsoSize = dataEnd;
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}
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nsoSize = BitUtils.AlignUp<uint>(nsoSize, KPageTableBase.PageSize);
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nsoBase[index] = codeStart + (ulong)codeSize;
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codeSize += nsoSize;
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if (arguments != null && argsSize == 0)
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{
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argsStart = (ulong)codeSize;
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argsSize = (uint)BitUtils.AlignDown(arguments.Length * 2 + ArgsTotalSize - 1, KPageTableBase.PageSize);
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codeSize += argsSize;
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}
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}
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int codePagesCount = (int)(codeSize / KPageTableBase.PageSize);
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int personalMmHeapPagesCount = (int)(meta.SystemResourceSize / KPageTableBase.PageSize);
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ProcessCreationInfo creationInfo = new ProcessCreationInfo(
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programInfo.Name,
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(int)meta.Version,
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programInfo.ProgramId,
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codeStart,
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codePagesCount,
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(ProcessCreationFlags)meta.Flags | ProcessCreationFlags.IsApplication,
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0,
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personalMmHeapPagesCount);
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context.Device.System.LibHacHorizonManager.InitializeApplicationClient(new ProgramId(programInfo.ProgramId), in npdm);
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Result result;
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KResourceLimit resourceLimit = new KResourceLimit(context);
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long applicationRgSize = (long)context.MemoryManager.MemoryRegions[(int)MemoryRegion.Application].Size;
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result = resourceLimit.SetLimitValue(LimitableResource.Memory, applicationRgSize);
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if (result.IsSuccess)
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{
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result = resourceLimit.SetLimitValue(LimitableResource.Thread, 608);
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}
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if (result.IsSuccess)
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{
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result = resourceLimit.SetLimitValue(LimitableResource.Event, 700);
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}
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if (result.IsSuccess)
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{
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result = resourceLimit.SetLimitValue(LimitableResource.TransferMemory, 128);
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}
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if (result.IsSuccess)
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{
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result = resourceLimit.SetLimitValue(LimitableResource.Session, 894);
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}
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if (result != Result.Success)
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{
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Logger.Error?.Print(LogClass.Loader, $"Process initialization failed setting resource limit values.");
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return ProgramLoadResult.Failed;
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}
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KProcess process = new KProcess(context, programInfo.AllowCodeMemoryForJit);
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MemoryRegion memoryRegion = (MemoryRegion)((npdm.Acid.Value.Flags >> 2) & 0xf);
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if (memoryRegion > MemoryRegion.NvServices)
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{
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Logger.Error?.Print(LogClass.Loader, $"Process initialization failed due to invalid ACID flags.");
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return ProgramLoadResult.Failed;
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}
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var processContextFactory = new ArmProcessContextFactory(
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context.Device.System.CpuEngine,
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context.Device.Gpu,
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programInfo.TitleIdText,
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programInfo.DisplayVersion,
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programInfo.DiskCacheEnabled,
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codeStart,
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codeSize);
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result = process.Initialize(
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creationInfo,
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MemoryMarshal.Cast<byte, int>(npdm.KernelCapabilityData).ToArray(),
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resourceLimit,
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memoryRegion,
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processContextFactory);
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if (result != Result.Success)
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{
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Logger.Error?.Print(LogClass.Loader, $"Process initialization returned error \"{result}\".");
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return ProgramLoadResult.Failed;
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}
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for (int index = 0; index < executables.Length; index++)
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{
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Logger.Info?.Print(LogClass.Loader, $"Loading image {index} at 0x{nsoBase[index]:x16}...");
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result = LoadIntoMemory(process, executables[index], nsoBase[index]);
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if (result != Result.Success)
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{
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Logger.Error?.Print(LogClass.Loader, $"Process initialization returned error \"{result}\".");
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return ProgramLoadResult.Failed;
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}
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}
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process.DefaultCpuCore = meta.DefaultCpuId;
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result = process.Start(meta.MainThreadPriority, meta.MainThreadStackSize);
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if (result != Result.Success)
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{
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Logger.Error?.Print(LogClass.Loader, $"Process start returned error \"{result}\".");
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return ProgramLoadResult.Failed;
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}
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context.Processes.TryAdd(process.Pid, process);
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// Keep the build ids because the tamper machine uses them to know which process to associate a
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// tamper to and also keep the starting address of each executable inside a process because some
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// memory modifications are relative to this address.
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ProcessTamperInfo tamperInfo = new ProcessTamperInfo(
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process,
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buildIds,
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nsoBase,
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process.MemoryManager.HeapRegionStart,
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process.MemoryManager.AliasRegionStart,
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process.MemoryManager.CodeRegionStart);
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return new ProgramLoadResult(true, tamperInfo, processContextFactory.DiskCacheLoadState);
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}
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private static Result LoadIntoMemory(KProcess process, IExecutable image, ulong baseAddress)
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{
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ulong textStart = baseAddress + image.TextOffset;
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ulong roStart = baseAddress + image.RoOffset;
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ulong dataStart = baseAddress + image.DataOffset;
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ulong bssStart = baseAddress + image.BssOffset;
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ulong end = dataStart + (ulong)image.Data.Length;
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if (image.BssSize != 0)
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{
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end = bssStart + image.BssSize;
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}
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process.CpuMemory.Write(textStart, image.Text);
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process.CpuMemory.Write(roStart, image.Ro);
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process.CpuMemory.Write(dataStart, image.Data);
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process.CpuMemory.Fill(bssStart, image.BssSize, 0);
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Result SetProcessMemoryPermission(ulong address, ulong size, KMemoryPermission permission)
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{
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if (size == 0)
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{
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return Result.Success;
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}
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size = BitUtils.AlignUp<ulong>(size, KPageTableBase.PageSize);
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return process.MemoryManager.SetProcessMemoryPermission(address, size, permission);
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}
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Result result = SetProcessMemoryPermission(textStart, (ulong)image.Text.Length, KMemoryPermission.ReadAndExecute);
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if (result != Result.Success)
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{
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return result;
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}
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result = SetProcessMemoryPermission(roStart, (ulong)image.Ro.Length, KMemoryPermission.Read);
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if (result != Result.Success)
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{
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return result;
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}
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return SetProcessMemoryPermission(dataStart, end - dataStart, KMemoryPermission.ReadAndWrite);
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}
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}
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} |