forked from Mirror/Ryujinx
0c87bf9ea4
* Refactor CPU interface * Use IExecutionContext interface on SVC handler, change how CPU interrupts invokes the handlers * Make CpuEngine take a ITickSource rather than returning one The previous implementation had the scenario where the CPU engine had to implement the tick source in mind, like for example, when we have a hypervisor and the game can read CNTPCT on the host directly. However given that we need to do conversion due to different frequencies anyway, it's not worth it. It's better to just let the user pass the tick source and redirect any reads to CNTPCT to the user tick source * XML docs for the public interfaces * PPTC invalidation due to NativeInterface function name changes * Fix build of the CPU tests * PR feedback
374 lines
No EOL
13 KiB
C#
374 lines
No EOL
13 KiB
C#
using ARMeilleure.Translation.PTC;
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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.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 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 bool AllowCodeMemoryForJit;
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public ProgramInfo(in Npdm npdm, bool allowCodeMemoryForJit)
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{
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Name = StringUtils.Utf8ZToString(npdm.Meta.Value.ProgramName);
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ProgramId = npdm.Aci.Value.ProgramId.Value;
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AllowCodeMemoryForJit = allowCodeMemoryForJit;
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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(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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KernelResult result = region.AllocatePages((ulong)codePagesCount, false, out KPageList pageList);
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if (result != KernelResult.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(context.Device.System.CpuEngine, context.Device.Gpu);
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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 != KernelResult.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 != KernelResult.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 != KernelResult.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 bool LoadNsos(
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KernelContext context,
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out ProcessTamperInfo tamperInfo,
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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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tamperInfo = null;
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return false;
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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(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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PtcProfiler.StaticCodeStart = codeStart;
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PtcProfiler.StaticCodeSize = (ulong)codeSize;
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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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KernelResult 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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result |= resourceLimit.SetLimitValue(LimitableResource.Thread, 608);
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result |= resourceLimit.SetLimitValue(LimitableResource.Event, 700);
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result |= resourceLimit.SetLimitValue(LimitableResource.TransferMemory, 128);
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result |= resourceLimit.SetLimitValue(LimitableResource.Session, 894);
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if (result != KernelResult.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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tamperInfo = null;
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return false;
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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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tamperInfo = null;
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return false;
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}
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var processContextFactory = new ArmProcessContextFactory(context.Device.System.CpuEngine, context.Device.Gpu);
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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 != KernelResult.Success)
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{
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Logger.Error?.Print(LogClass.Loader, $"Process initialization returned error \"{result}\".");
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tamperInfo = null;
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return false;
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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 != KernelResult.Success)
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{
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Logger.Error?.Print(LogClass.Loader, $"Process initialization returned error \"{result}\".");
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tamperInfo = null;
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return false;
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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 != KernelResult.Success)
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{
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Logger.Error?.Print(LogClass.Loader, $"Process start returned error \"{result}\".");
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tamperInfo = null;
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return false;
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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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tamperInfo = new ProcessTamperInfo(process, buildIds, nsoBase, process.MemoryManager.HeapRegionStart,
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process.MemoryManager.AliasRegionStart, process.MemoryManager.CodeRegionStart);
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return true;
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}
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private static KernelResult LoadIntoMemory(KProcess process, IExecutable image, ulong baseAddress)
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{
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ulong textStart = baseAddress + (ulong)image.TextOffset;
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ulong roStart = baseAddress + (ulong)image.RoOffset;
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ulong dataStart = baseAddress + (ulong)image.DataOffset;
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ulong bssStart = baseAddress + (ulong)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 + (ulong)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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KernelResult 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 KernelResult.Success;
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}
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size = BitUtils.AlignUp(size, KPageTableBase.PageSize);
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return process.MemoryManager.SetProcessMemoryPermission(address, size, permission);
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}
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KernelResult result = SetProcessMemoryPermission(textStart, (ulong)image.Text.Length, KMemoryPermission.ReadAndExecute);
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if (result != KernelResult.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 != KernelResult.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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} |