Ryujinx/Ryujinx.HLE/HOS/ProgramLoader.cs
Alex Barney dadc0e59da
Update to LibHac 0.13.1 (#2475)
* Update to LibHac 0.13.1

* Recreate directories for indexed saves if they're missing on emulator start
2021-08-12 23:56:24 +02:00

366 lines
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12 KiB
C#

using ARMeilleure.Translation.PTC;
using LibHac.Loader;
using LibHac.Ncm;
using LibHac.Util;
using Ryujinx.Common;
using Ryujinx.Common.Logging;
using Ryujinx.HLE.HOS.Kernel;
using Ryujinx.HLE.HOS.Kernel.Common;
using Ryujinx.HLE.HOS.Kernel.Memory;
using Ryujinx.HLE.HOS.Kernel.Process;
using Ryujinx.HLE.Loaders.Executables;
using System;
using System.Linq;
using System.Runtime.InteropServices;
using Npdm = LibHac.Loader.Npdm;
namespace Ryujinx.HLE.HOS
{
struct ProgramInfo
{
public string Name;
public ulong ProgramId;
public ProgramInfo(in Npdm npdm)
{
Name = StringUtils.Utf8ZToString(npdm.Meta.Value.ProgramName);
ProgramId = npdm.Aci.Value.ProgramId.Value;
}
}
static class ProgramLoader
{
private const bool AslrEnabled = true;
private const int ArgsHeaderSize = 8;
private const int ArgsDataSize = 0x9000;
private const int ArgsTotalSize = ArgsHeaderSize + ArgsDataSize;
public static bool LoadKip(KernelContext context, KipExecutable kip)
{
uint endOffset = kip.DataOffset + (uint)kip.Data.Length;
if (kip.BssSize != 0)
{
endOffset = kip.BssOffset + kip.BssSize;
}
uint codeSize = BitUtils.AlignUp(kip.TextOffset + endOffset, KPageTableBase.PageSize);
int codePagesCount = (int)(codeSize / KPageTableBase.PageSize);
ulong codeBaseAddress = kip.Is64BitAddressSpace ? 0x8000000UL : 0x200000UL;
ulong codeAddress = codeBaseAddress + (ulong)kip.TextOffset;
ProcessCreationFlags flags = 0;
if (AslrEnabled)
{
// TODO: Randomization.
flags |= ProcessCreationFlags.EnableAslr;
}
if (kip.Is64BitAddressSpace)
{
flags |= ProcessCreationFlags.AddressSpace64Bit;
}
if (kip.Is64Bit)
{
flags |= ProcessCreationFlags.Is64Bit;
}
ProcessCreationInfo creationInfo = new ProcessCreationInfo(
kip.Name,
kip.Version,
kip.ProgramId,
codeAddress,
codePagesCount,
flags,
0,
0);
MemoryRegion memoryRegion = kip.UsesSecureMemory
? MemoryRegion.Service
: MemoryRegion.Application;
KMemoryRegionManager region = context.MemoryManager.MemoryRegions[(int)memoryRegion];
KernelResult result = region.AllocatePages((ulong)codePagesCount, false, out KPageList pageList);
if (result != KernelResult.Success)
{
Logger.Error?.Print(LogClass.Loader, $"Process initialization returned error \"{result}\".");
return false;
}
KProcess process = new KProcess(context);
var processContextFactory = new ArmProcessContextFactory(context.Device.Gpu);
result = process.InitializeKip(
creationInfo,
kip.Capabilities,
pageList,
context.ResourceLimit,
memoryRegion,
processContextFactory);
if (result != KernelResult.Success)
{
Logger.Error?.Print(LogClass.Loader, $"Process initialization returned error \"{result}\".");
return false;
}
result = LoadIntoMemory(process, kip, codeBaseAddress);
if (result != KernelResult.Success)
{
Logger.Error?.Print(LogClass.Loader, $"Process initialization returned error \"{result}\".");
return false;
}
process.DefaultCpuCore = kip.IdealCoreId;
result = process.Start(kip.Priority, (ulong)kip.StackSize);
if (result != KernelResult.Success)
{
Logger.Error?.Print(LogClass.Loader, $"Process start returned error \"{result}\".");
return false;
}
context.Processes.TryAdd(process.Pid, process);
return true;
}
public static bool LoadNsos(KernelContext context, out ProcessTamperInfo tamperInfo, MetaLoader metaData, ProgramInfo programInfo, byte[] arguments = null, params IExecutable[] executables)
{
LibHac.Result rc = metaData.GetNpdm(out var npdm);
if (rc.IsFailure())
{
tamperInfo = null;
return false;
}
ref readonly var meta = ref npdm.Meta.Value;
ulong argsStart = 0;
uint argsSize = 0;
ulong codeStart = (meta.Flags & 1) != 0 ? 0x8000000UL : 0x200000UL;
uint codeSize = 0;
var buildIds = executables.Select(e => (e switch
{
NsoExecutable nso => BitConverter.ToString(nso.BuildId.Bytes.ToArray()),
NroExecutable nro => BitConverter.ToString(nro.Header.BuildId),
_ => ""
}).Replace("-", "").ToUpper());
ulong[] nsoBase = new ulong[executables.Length];
for (int index = 0; index < executables.Length; index++)
{
IExecutable nso = executables[index];
uint textEnd = nso.TextOffset + (uint)nso.Text.Length;
uint roEnd = nso.RoOffset + (uint)nso.Ro.Length;
uint dataEnd = nso.DataOffset + (uint)nso.Data.Length + nso.BssSize;
uint nsoSize = textEnd;
if (nsoSize < roEnd)
{
nsoSize = roEnd;
}
if (nsoSize < dataEnd)
{
nsoSize = dataEnd;
}
nsoSize = BitUtils.AlignUp(nsoSize, KPageTableBase.PageSize);
nsoBase[index] = codeStart + (ulong)codeSize;
codeSize += nsoSize;
if (arguments != null && argsSize == 0)
{
argsStart = (ulong)codeSize;
argsSize = (uint)BitUtils.AlignDown(arguments.Length * 2 + ArgsTotalSize - 1, KPageTableBase.PageSize);
codeSize += argsSize;
}
}
PtcProfiler.StaticCodeStart = codeStart;
PtcProfiler.StaticCodeSize = (ulong)codeSize;
int codePagesCount = (int)(codeSize / KPageTableBase.PageSize);
int personalMmHeapPagesCount = (int)(meta.SystemResourceSize / KPageTableBase.PageSize);
ProcessCreationInfo creationInfo = new ProcessCreationInfo(
programInfo.Name,
(int)meta.Version,
programInfo.ProgramId,
codeStart,
codePagesCount,
(ProcessCreationFlags)meta.Flags | ProcessCreationFlags.IsApplication,
0,
personalMmHeapPagesCount);
context.Device.System.LibHacHorizonManager.InitializeApplicationClient(new ProgramId(programInfo.ProgramId), in npdm);
KernelResult result;
KResourceLimit resourceLimit = new KResourceLimit(context);
long applicationRgSize = (long)context.MemoryManager.MemoryRegions[(int)MemoryRegion.Application].Size;
result = resourceLimit.SetLimitValue(LimitableResource.Memory, applicationRgSize);
result |= resourceLimit.SetLimitValue(LimitableResource.Thread, 608);
result |= resourceLimit.SetLimitValue(LimitableResource.Event, 700);
result |= resourceLimit.SetLimitValue(LimitableResource.TransferMemory, 128);
result |= resourceLimit.SetLimitValue(LimitableResource.Session, 894);
if (result != KernelResult.Success)
{
Logger.Error?.Print(LogClass.Loader, $"Process initialization failed setting resource limit values.");
tamperInfo = null;
return false;
}
KProcess process = new KProcess(context);
MemoryRegion memoryRegion = (MemoryRegion)((npdm.Acid.Value.Flags >> 2) & 0xf);
if (memoryRegion > MemoryRegion.NvServices)
{
Logger.Error?.Print(LogClass.Loader, $"Process initialization failed due to invalid ACID flags.");
tamperInfo = null;
return false;
}
var processContextFactory = new ArmProcessContextFactory(context.Device.Gpu);
result = process.Initialize(
creationInfo,
MemoryMarshal.Cast<byte, int>(npdm.KernelCapabilityData).ToArray(),
resourceLimit,
memoryRegion,
processContextFactory);
if (result != KernelResult.Success)
{
Logger.Error?.Print(LogClass.Loader, $"Process initialization returned error \"{result}\".");
tamperInfo = null;
return false;
}
for (int index = 0; index < executables.Length; index++)
{
Logger.Info?.Print(LogClass.Loader, $"Loading image {index} at 0x{nsoBase[index]:x16}...");
result = LoadIntoMemory(process, executables[index], nsoBase[index]);
if (result != KernelResult.Success)
{
Logger.Error?.Print(LogClass.Loader, $"Process initialization returned error \"{result}\".");
tamperInfo = null;
return false;
}
}
process.DefaultCpuCore = meta.DefaultCpuId;
result = process.Start(meta.MainThreadPriority, meta.MainThreadStackSize);
if (result != KernelResult.Success)
{
Logger.Error?.Print(LogClass.Loader, $"Process start returned error \"{result}\".");
tamperInfo = null;
return false;
}
context.Processes.TryAdd(process.Pid, process);
// Keep the build ids because the tamper machine uses them to know which process to associate a
// tamper to and also keep the starting address of each executable inside a process because some
// memory modifications are relative to this address.
tamperInfo = new ProcessTamperInfo(process, buildIds, nsoBase, process.MemoryManager.HeapRegionStart,
process.MemoryManager.AliasRegionStart, process.MemoryManager.CodeRegionStart);
return true;
}
private static KernelResult LoadIntoMemory(KProcess process, IExecutable image, ulong baseAddress)
{
ulong textStart = baseAddress + (ulong)image.TextOffset;
ulong roStart = baseAddress + (ulong)image.RoOffset;
ulong dataStart = baseAddress + (ulong)image.DataOffset;
ulong bssStart = baseAddress + (ulong)image.BssOffset;
ulong end = dataStart + (ulong)image.Data.Length;
if (image.BssSize != 0)
{
end = bssStart + (ulong)image.BssSize;
}
process.CpuMemory.Write(textStart, image.Text);
process.CpuMemory.Write(roStart, image.Ro);
process.CpuMemory.Write(dataStart, image.Data);
process.CpuMemory.Fill(bssStart, image.BssSize, 0);
KernelResult SetProcessMemoryPermission(ulong address, ulong size, KMemoryPermission permission)
{
if (size == 0)
{
return KernelResult.Success;
}
size = BitUtils.AlignUp(size, KPageTableBase.PageSize);
return process.MemoryManager.SetProcessMemoryPermission(address, size, permission);
}
KernelResult result = SetProcessMemoryPermission(textStart, (ulong)image.Text.Length, KMemoryPermission.ReadAndExecute);
if (result != KernelResult.Success)
{
return result;
}
result = SetProcessMemoryPermission(roStart, (ulong)image.Ro.Length, KMemoryPermission.Read);
if (result != KernelResult.Success)
{
return result;
}
return SetProcessMemoryPermission(dataStart, end - dataStart, KMemoryPermission.ReadAndWrite);
}
}
}