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Improve IRoInterface logic (#809)

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* hle: Improve IRoInterface logic

This commit contains a little rewrite of IRoInterface to fix some issues
that we were facing on some recent games (AC3 Remastered & Final Fantasy
VIII Remastered)

Related issues:

- https://github.com/Ryujinx/Ryujinx-Games-List/issues/196

* Address comments
This commit is contained in:
Thomas Guillemard 2019-11-08 15:49:48 +01:00 committed by Ac_K
parent 88593bf872
commit 2ea8d5bd5f
6 changed files with 228 additions and 131 deletions
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13
Ryujinx.HLE/HOS/Services/Loader/ResultCode.cs
View file

@ -6,18 +6,5 @@
ErrorCodeShift = 9,
Success = 0,
InvalidMemoryState = (51 << ErrorCodeShift) | ModuleId,
InvalidNro = (52 << ErrorCodeShift) | ModuleId,
InvalidNrr = (53 << ErrorCodeShift) | ModuleId,
MaxNro = (55 << ErrorCodeShift) | ModuleId,
MaxNrr = (56 << ErrorCodeShift) | ModuleId,
NroAlreadyLoaded = (57 << ErrorCodeShift) | ModuleId,
NroHashNotPresent = (54 << ErrorCodeShift) | ModuleId,
UnalignedAddress = (81 << ErrorCodeShift) | ModuleId,
BadSize = (82 << ErrorCodeShift) | ModuleId,
BadNroAddress = (84 << ErrorCodeShift) | ModuleId,
BadNrrAddress = (85 << ErrorCodeShift) | ModuleId,
BadInitialization = (87 << ErrorCodeShift) | ModuleId
}
}

251
Ryujinx.HLE/HOS/Services/Loader/IRoInterface.cs → Ryujinx.HLE/HOS/Services/Ro/IRoInterface.cs
View file

@ -5,19 +5,22 @@ using Ryujinx.HLE.HOS.Kernel.Memory;
using Ryujinx.HLE.HOS.Kernel.Process;
using Ryujinx.HLE.Loaders.Executables;
using Ryujinx.HLE.Utilities;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Security.Cryptography;
namespace Ryujinx.HLE.HOS.Services.Loader
namespace Ryujinx.HLE.HOS.Services.Ro
{
[Service("ldr:ro")]
[Service("ro:1")] // 7.0.0+
class IRoInterface : IpcService
class IRoInterface : IpcService, IDisposable
{
private const int MaxNrr = 0x40;
private const int MaxNro = 0x40;
private const int MaxMapRetries = 0x200;
private const int GuardPagesSize = 0x4000;
private const uint NrrMagic = 0x3052524E;
private const uint NroMagic = 0x304F524E;
@ -25,12 +28,15 @@ namespace Ryujinx.HLE.HOS.Services.Loader
private List<NrrInfo> _nrrInfos;
private List<NroInfo> _nroInfos;
private bool _isInitialized;
private KProcess _owner;
private static Random _random = new Random();
public IRoInterface(ServiceCtx context)
{
_nrrInfos = new List<NrrInfo>(MaxNrr);
_nroInfos = new List<NroInfo>(MaxNro);
_owner = null;
}
private ResultCode ParseNrr(out NrrInfo nrrInfo, ServiceCtx context, long nrrAddress, long nrrSize)
@ -39,11 +45,11 @@ namespace Ryujinx.HLE.HOS.Services.Loader
if (nrrSize == 0 || nrrAddress + nrrSize <= nrrAddress || (nrrSize & 0xFFF) != 0)
{
return ResultCode.BadSize;
return ResultCode.InvalidSize;
}
else if ((nrrAddress & 0xFFF) != 0)
{
return ResultCode.UnalignedAddress;
return ResultCode.InvalidAddress;
}
StructReader reader = new StructReader(context.Memory, nrrAddress);
@ -55,7 +61,7 @@ namespace Ryujinx.HLE.HOS.Services.Loader
}
else if (header.NrrSize != nrrSize)
{
return ResultCode.BadSize;
return ResultCode.InvalidSize;
}
List<byte[]> hashes = new List<byte[]>();
@ -105,19 +111,19 @@ namespace Ryujinx.HLE.HOS.Services.Loader
if (_nroInfos.Count >= MaxNro)
{
return ResultCode.MaxNro;
return ResultCode.TooManyNro;
}
else if (nroSize == 0 || nroAddress + nroSize <= nroAddress || (nroSize & 0xFFF) != 0)
{
return ResultCode.BadSize;
return ResultCode.InvalidSize;
}
else if (bssSize != 0 && bssAddress + bssSize <= bssAddress)
{
return ResultCode.BadSize;
return ResultCode.InvalidSize;
}
else if ((nroAddress & 0xFFF) != 0)
{
return ResultCode.UnalignedAddress;
return ResultCode.InvalidAddress;
}
uint magic = context.Memory.ReadUInt32((long)nroAddress + 0x10);
@ -140,12 +146,12 @@ namespace Ryujinx.HLE.HOS.Services.Loader
if (!IsNroHashPresent(nroHash))
{
return ResultCode.NroHashNotPresent;
return ResultCode.NotRegistered;
}
if (IsNroLoaded(nroHash))
{
return ResultCode.NroAlreadyLoaded;
return ResultCode.AlreadyLoaded;
}
stream.Position = 0;
@ -187,77 +193,120 @@ namespace Ryujinx.HLE.HOS.Services.Loader
return ResultCode.Success;
}
private ResultCode MapNro(ServiceCtx context, NroInfo info, out ulong nroMappedAddress)
private ResultCode MapNro(KProcess process, NroInfo info, out ulong nroMappedAddress)
{
KMemoryManager memMgr = process.MemoryManager;
int retryCount = 0;
nroMappedAddress = 0;
KMemoryManager memMgr = context.Process.MemoryManager;
ulong targetAddress = memMgr.GetAddrSpaceBaseAddr();
while (true)
while (retryCount++ < MaxMapRetries)
{
if (targetAddress + info.TotalSize >= memMgr.AddrSpaceEnd)
ResultCode result = MapCodeMemoryInProcess(process, info.NroAddress, info.NroSize, out nroMappedAddress);
if (result != ResultCode.Success)
{
return ResultCode.InvalidMemoryState;
return result;
}
KMemoryInfo memInfo = memMgr.QueryMemory(targetAddress);
if (memInfo.State == MemoryState.Unmapped && memInfo.Size >= info.TotalSize)
if (info.BssSize > 0)
{
if (!memMgr.InsideHeapRegion (targetAddress, info.TotalSize) &&
!memMgr.InsideAliasRegion(targetAddress, info.TotalSize))
KernelResult bssMappingResult = memMgr.MapProcessCodeMemory(nroMappedAddress + info.NroSize, info.BssAddress, info.BssSize);
if (bssMappingResult == KernelResult.InvalidMemState)
{
memMgr.UnmapProcessCodeMemory(nroMappedAddress + info.NroSize, info.BssAddress, info.BssSize);
memMgr.UnmapProcessCodeMemory(nroMappedAddress, info.NroAddress, info.NroSize);
continue;
}
else if (bssMappingResult != KernelResult.Success)
{
memMgr.UnmapProcessCodeMemory(nroMappedAddress + info.NroSize, info.BssAddress, info.BssSize);
memMgr.UnmapProcessCodeMemory(nroMappedAddress, info.NroAddress, info.NroSize);
return (ResultCode)bssMappingResult;
}
}
if (CanAddGuardRegionsInProcess(process, nroMappedAddress, info.TotalSize))
{
return ResultCode.Success;
}
}
return ResultCode.InsufficientAddressSpace;
}
private bool CanAddGuardRegionsInProcess(KProcess process, ulong baseAddress, ulong size)
{
KMemoryManager memMgr = process.MemoryManager;
KMemoryInfo memInfo = memMgr.QueryMemory(baseAddress - 1);
if (memInfo.State == MemoryState.Unmapped && baseAddress - GuardPagesSize >= memInfo.Address)
{
memInfo = memMgr.QueryMemory(baseAddress + size);
if (memInfo.State == MemoryState.Unmapped)
{
return baseAddress + size + GuardPagesSize <= memInfo.Address + memInfo.Size;
}
}
return false;
}
private ResultCode MapCodeMemoryInProcess(KProcess process, ulong baseAddress, ulong size, out ulong targetAddress)
{
KMemoryManager memMgr = process.MemoryManager;
targetAddress = 0;
int retryCount;
int addressSpacePageLimit = (int)((memMgr.GetAddrSpaceSize() - size) >> 12);
for (retryCount = 0; retryCount < MaxMapRetries; retryCount++)
{
while (true)
{
targetAddress = memMgr.GetAddrSpaceBaseAddr() + (ulong)(_random.Next(addressSpacePageLimit) << 12);
if (memMgr.InsideAddrSpace(targetAddress, size) && !memMgr.InsideHeapRegion(targetAddress, size) && !memMgr.InsideAliasRegion(targetAddress, size))
{
break;
}
}
targetAddress += memInfo.Size;
KernelResult result = memMgr.MapProcessCodeMemory(targetAddress, baseAddress, size);
if (result == KernelResult.InvalidMemState)
{
continue;
}
else if (result != KernelResult.Success)
{
return (ResultCode)result;
}
KernelResult result = memMgr.MapProcessCodeMemory(targetAddress, info.NroAddress, info.NroSize);
if (result != KernelResult.Success)
if (!CanAddGuardRegionsInProcess(process, targetAddress, size))
{
return ResultCode.InvalidMemoryState;
}
ulong bssTargetAddress = targetAddress + info.NroSize;
if (info.BssSize != 0)
{
result = memMgr.MapProcessCodeMemory(bssTargetAddress, info.BssAddress, info.BssSize);
if (result != KernelResult.Success)
{
memMgr.UnmapProcessCodeMemory(targetAddress, info.NroAddress, info.NroSize);
return ResultCode.InvalidMemoryState;
}
}
result = LoadNroIntoMemory(context.Process, info.Executable, targetAddress);
if (result != KernelResult.Success)
{
memMgr.UnmapProcessCodeMemory(targetAddress, info.NroAddress, info.NroSize);
if (info.BssSize != 0)
{
memMgr.UnmapProcessCodeMemory(bssTargetAddress, info.BssAddress, info.BssSize);
continue;
}
return ResultCode.Success;
}
info.NroMappedAddress = targetAddress;
nroMappedAddress = targetAddress;
if (retryCount == MaxMapRetries)
{
return ResultCode.InsufficientAddressSpace;
}
return ResultCode.Success;
}
private KernelResult LoadNroIntoMemory(KProcess process, IExecutable relocatableObject, ulong baseAddress)
private KernelResult SetNroMemoryPermissions(KProcess process, IExecutable relocatableObject, ulong baseAddress)
{
ulong textStart = baseAddress + (ulong)relocatableObject.TextOffset;
ulong roStart = baseAddress + (ulong)relocatableObject.RoOffset;
@ -304,10 +353,10 @@ namespace Ryujinx.HLE.HOS.Services.Loader
}
}
return ResultCode.BadNrrAddress;
return ResultCode.NotLoaded;
}
private ResultCode RemoveNroInfo(ServiceCtx context, ulong nroMappedAddress)
private ResultCode RemoveNroInfo(ulong nroMappedAddress)
{
foreach (NroInfo info in _nroInfos)
{
@ -315,6 +364,15 @@ namespace Ryujinx.HLE.HOS.Services.Loader
{
_nroInfos.Remove(info);
return UnmapNroFromInfo(info);
}
}
return ResultCode.NotLoaded;
}
private ResultCode UnmapNroFromInfo(NroInfo info)
{
ulong textSize = (ulong)info.Executable.Text.Length;
ulong roSize = (ulong)info.Executable.Ro.Length;
ulong dataSize = (ulong)info.Executable.Data.Length;
@ -324,7 +382,7 @@ namespace Ryujinx.HLE.HOS.Services.Loader
if (info.Executable.BssSize != 0)
{
result = context.Process.MemoryManager.UnmapProcessCodeMemory(
result = _owner.MemoryManager.UnmapProcessCodeMemory(
info.NroMappedAddress + textSize + roSize + dataSize,
info.Executable.BssAddress,
bssSize);
@ -332,14 +390,14 @@ namespace Ryujinx.HLE.HOS.Services.Loader
if (result == KernelResult.Success)
{
result = context.Process.MemoryManager.UnmapProcessCodeMemory(
result = _owner.MemoryManager.UnmapProcessCodeMemory(
info.NroMappedAddress + textSize + roSize,
info.Executable.SourceAddress + textSize + roSize,
dataSize);
if (result == KernelResult.Success)
{
result = context.Process.MemoryManager.UnmapProcessCodeMemory(
result = _owner.MemoryManager.UnmapProcessCodeMemory(
info.NroMappedAddress,
info.Executable.SourceAddress,
textSize + roSize);
@ -348,16 +406,22 @@ namespace Ryujinx.HLE.HOS.Services.Loader
return (ResultCode)result;
}
private ResultCode IsInitialized(KProcess process)
{
if (_owner != null && _owner.Pid == process.Pid)
{
return ResultCode.Success;
}
return ResultCode.BadNroAddress;
return ResultCode.InvalidProcess;
}
[Command(0)]
// LoadNro(u64, u64, u64, u64, u64, pid) -> u64
public ResultCode LoadNro(ServiceCtx context)
{
ResultCode result = ResultCode.BadInitialization;
ResultCode result = IsInitialized(context.Process);
// Zero
context.RequestData.ReadUInt64();
@ -369,22 +433,27 @@ namespace Ryujinx.HLE.HOS.Services.Loader
ulong nroMappedAddress = 0;
if (_isInitialized)
if (result == ResultCode.Success)
{
NroInfo info;
result = ParseNro(out info, context, nroHeapAddress, nroSize, bssHeapAddress, bssSize);
if (result == 0)
if (result == ResultCode.Success)
{
result = MapNro(context, info, out nroMappedAddress);
result = MapNro(context.Process, info, out nroMappedAddress);
if (result == 0)
if (result == ResultCode.Success)
{
result = (ResultCode)SetNroMemoryPermissions(context.Process, info.Executable, nroMappedAddress);
if (result == ResultCode.Success)
{
_nroInfos.Add(info);
}
}
}
}
context.ResponseData.Write(nroMappedAddress);
@ -395,21 +464,21 @@ namespace Ryujinx.HLE.HOS.Services.Loader
// UnloadNro(u64, u64, pid)
public ResultCode UnloadNro(ServiceCtx context)
{
ResultCode result = ResultCode.BadInitialization;
ResultCode result = IsInitialized(context.Process);
// Zero
context.RequestData.ReadUInt64();
ulong nroMappedAddress = context.RequestData.ReadUInt64();
if (_isInitialized)
if (result == ResultCode.Success)
{
if ((nroMappedAddress & 0xFFF) != 0)
{
return ResultCode.UnalignedAddress;
return ResultCode.InvalidAddress;
}
result = RemoveNroInfo(context, nroMappedAddress);
result = RemoveNroInfo(nroMappedAddress);
}
return result;
@ -419,24 +488,24 @@ namespace Ryujinx.HLE.HOS.Services.Loader
// LoadNrr(u64, u64, u64, pid)
public ResultCode LoadNrr(ServiceCtx context)
{
ResultCode result = ResultCode.BadInitialization;
ResultCode result = IsInitialized(context.Process);
// Zero
// pid placeholder, zero
context.RequestData.ReadUInt64();
long nrrAddress = context.RequestData.ReadInt64();
long nrrSize = context.RequestData.ReadInt64();
if (_isInitialized)
if (result == ResultCode.Success)
{
NrrInfo info;
result = ParseNrr(out info, context, nrrAddress, nrrSize);
if (result == 0)
if (result == ResultCode.Success)
{
if (_nrrInfos.Count >= MaxNrr)
{
result = ResultCode.MaxNrr;
result = ResultCode.NotLoaded;
}
else
{
@ -452,18 +521,18 @@ namespace Ryujinx.HLE.HOS.Services.Loader
// UnloadNrr(u64, u64, pid)
public ResultCode UnloadNrr(ServiceCtx context)
{
ResultCode result = ResultCode.BadInitialization;
ResultCode result = IsInitialized(context.Process);
// Zero
// pid placeholder, zero
context.RequestData.ReadUInt64();
long nrrHeapAddress = context.RequestData.ReadInt64();
if (_isInitialized)
if (result == ResultCode.Success)
{
if ((nrrHeapAddress & 0xFFF) != 0)
{
return ResultCode.UnalignedAddress;
return ResultCode.InvalidAddress;
}
result = RemoveNrrInfo(nrrHeapAddress);
@ -476,10 +545,24 @@ namespace Ryujinx.HLE.HOS.Services.Loader
// Initialize(u64, pid, KObject)
public ResultCode Initialize(ServiceCtx context)
{
// TODO: we actually ignore the pid and process handle receive, we will need to use them when we will have multi process support.
_isInitialized = true;
if (_owner != null)
{
return ResultCode.InvalidSession;
}
_owner = context.Process;
return ResultCode.Success;
}
public void Dispose()
{
foreach (NroInfo info in _nroInfos)
{
UnmapNroFromInfo(info);
}
_nroInfos.Clear();
}
}
}

27
Ryujinx.HLE/HOS/Services/Ro/ResultCode.cs Normal file
View file

@ -0,0 +1,27 @@
namespace Ryujinx.HLE.HOS.Services.Ro
{
enum ResultCode
{
ModuleId = 22,
ErrorCodeShift = 22,
Success = 0,
InsufficientAddressSpace = (2 << ErrorCodeShift) | ModuleId,
AlreadyLoaded = (3 << ErrorCodeShift) | ModuleId,
InvalidNro = (4 << ErrorCodeShift) | ModuleId,
InvalidNrr = (6 << ErrorCodeShift) | ModuleId,
TooManyNro = (7 << ErrorCodeShift) | ModuleId,
TooManyNrr = (8 << ErrorCodeShift) | ModuleId,
NotAuthorized = (9 << ErrorCodeShift) | ModuleId,
InvalidNrrType = (10 << ErrorCodeShift) | ModuleId,
InvalidAddress = (1025 << ErrorCodeShift) | ModuleId,
InvalidSize = (1026 << ErrorCodeShift) | ModuleId,
NotLoaded = (1028 << ErrorCodeShift) | ModuleId,
NotRegistered = (1029 << ErrorCodeShift) | ModuleId,
InvalidSession = (1030 << ErrorCodeShift) | ModuleId,
InvalidProcess = (1031 << ErrorCodeShift) | ModuleId,
}
}

2
Ryujinx.HLE/HOS/Services/Loader/Types/NroInfo.cs → Ryujinx.HLE/HOS/Services/Ro/Types/NroInfo.cs
View file

@ -1,6 +1,6 @@
using Ryujinx.HLE.Loaders.Executables;
namespace Ryujinx.HLE.HOS.Services.Loader
namespace Ryujinx.HLE.HOS.Services.Ro
{
class NroInfo
{

2
Ryujinx.HLE/HOS/Services/Loader/Types/NrrHeader.cs → Ryujinx.HLE/HOS/Services/Ro/Types/NrrHeader.cs
View file

@ -1,6 +1,6 @@
using System.Runtime.InteropServices;
namespace Ryujinx.HLE.HOS.Services.Loader
namespace Ryujinx.HLE.HOS.Services.Ro
{
[StructLayout(LayoutKind.Explicit, Size = 0x350)]
unsafe struct NrrHeader

2
Ryujinx.HLE/HOS/Services/Loader/Types/NrrInfo.cs → Ryujinx.HLE/HOS/Services/Ro/Types/NrrInfo.cs
View file

@ -1,6 +1,6 @@
using System.Collections.Generic;
namespace Ryujinx.HLE.HOS.Services.Loader
namespace Ryujinx.HLE.HOS.Services.Ro
{
class NrrInfo
{