f449895e6d
We currently loading only one RomFs at a time, which could be wrong if one day we want to load more than one guest at time. This PR fixes that by loading romfs by pid.
423 lines
No EOL
14 KiB
C#
423 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, 0);
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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 readonly ulong ProcessId;
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public ProgramLoadResult(bool success, ProcessTamperInfo tamperInfo, IDiskCacheLoadState diskCacheLoadState, ulong pid)
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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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ProcessId = pid;
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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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context.Device.System.ServiceTable.WaitServicesReady();
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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, process.Pid);
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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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} |