Ryujinx/Ryujinx.HLE/HOS/Kernel/SvcMemory.cs
gdkchan 00579927e4
Better process implementation (#491)
* Initial implementation of KProcess

* Some improvements to the memory manager, implement back guest stack trace printing

* Better GetInfo implementation, improve checking in some places with information from process capabilities

* Allow the cpu to read/write from the correct memory locations for accesses crossing a page boundary

* Change long -> ulong for address/size on memory related methods to avoid unnecessary casts

* Attempt at implementing ldr:ro with new KProcess

* Allow BSS with size 0 on ldr:ro

* Add checking for memory block slab heap usage, return errors if full, exit gracefully

* Use KMemoryBlockSize const from KMemoryManager

* Allow all methods to read from non-contiguous locations

* Fix for TransactParcelAuto

* Address PR feedback, additionally fix some small issues related to the KIP loader and implement SVCs GetProcessId, GetProcessList, GetSystemInfo, CreatePort and ManageNamedPort

* Fix wrong check for source pages count from page list on MapPhysicalMemory

* Fix some issues with UnloadNro on ldr:ro
2018-11-28 20:18:09 -02:00

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20 KiB
C#

using ChocolArm64.State;
using Ryujinx.Common.Logging;
using static Ryujinx.HLE.HOS.ErrorCode;
namespace Ryujinx.HLE.HOS.Kernel
{
partial class SvcHandler
{
private void SvcSetHeapSize(CpuThreadState ThreadState)
{
ulong Size = ThreadState.X1;
if ((Size & 0xfffffffe001fffff) != 0)
{
Logger.PrintWarning(LogClass.KernelSvc, $"Heap size 0x{Size:x16} is not aligned!");
ThreadState.X0 = MakeError(ErrorModule.Kernel, KernelErr.InvalidSize);
return;
}
KernelResult Result = Process.MemoryManager.SetHeapSize(Size, out ulong Position);
ThreadState.X0 = (ulong)Result;
if (Result == KernelResult.Success)
{
ThreadState.X1 = Position;
}
else
{
Logger.PrintWarning(LogClass.KernelSvc, $"Operation failed with error \"{Result}\".");
}
}
private void SvcSetMemoryAttribute(CpuThreadState ThreadState)
{
ulong Position = ThreadState.X0;
ulong Size = ThreadState.X1;
if (!PageAligned(Position))
{
Logger.PrintWarning(LogClass.KernelSvc, $"Address 0x{Position:x16} is not page aligned!");
ThreadState.X0 = MakeError(ErrorModule.Kernel, KernelErr.InvalidAddress);
return;
}
if (!PageAligned(Size) || Size == 0)
{
Logger.PrintWarning(LogClass.KernelSvc, $"Size 0x{Size:x16} is not page aligned or is zero!");
ThreadState.X0 = MakeError(ErrorModule.Kernel, KernelErr.InvalidSize);
return;
}
MemoryAttribute AttributeMask = (MemoryAttribute)ThreadState.X2;
MemoryAttribute AttributeValue = (MemoryAttribute)ThreadState.X3;
MemoryAttribute Attributes = AttributeMask | AttributeValue;
if (Attributes != AttributeMask ||
(Attributes | MemoryAttribute.Uncached) != MemoryAttribute.Uncached)
{
Logger.PrintWarning(LogClass.KernelSvc, "Invalid memory attributes!");
ThreadState.X0 = MakeError(ErrorModule.Kernel, KernelErr.InvalidMaskValue);
return;
}
KernelResult Result = Process.MemoryManager.SetMemoryAttribute(
Position,
Size,
AttributeMask,
AttributeValue);
if (Result != KernelResult.Success)
{
Logger.PrintWarning(LogClass.KernelSvc, $"Operation failed with error \"{Result}\".");
}
else
{
Memory.StopObservingRegion((long)Position, (long)Size);
}
ThreadState.X0 = (ulong)Result;
}
private void SvcMapMemory(CpuThreadState ThreadState)
{
ulong Dst = ThreadState.X0;
ulong Src = ThreadState.X1;
ulong Size = ThreadState.X2;
if (!PageAligned(Src | Dst))
{
Logger.PrintWarning(LogClass.KernelSvc, "Addresses are not page aligned!");
ThreadState.X0 = MakeError(ErrorModule.Kernel, KernelErr.InvalidAddress);
return;
}
if (!PageAligned(Size) || Size == 0)
{
Logger.PrintWarning(LogClass.KernelSvc, $"Size 0x{Size:x16} is not page aligned or is zero!");
ThreadState.X0 = MakeError(ErrorModule.Kernel, KernelErr.InvalidSize);
return;
}
if (Src + Size <= Src || Dst + Size <= Dst)
{
Logger.PrintWarning(LogClass.KernelSvc, "Addresses outside of range!");
ThreadState.X0 = MakeError(ErrorModule.Kernel, KernelErr.NoAccessPerm);
return;
}
KProcess CurrentProcess = System.Scheduler.GetCurrentProcess();
if (!CurrentProcess.MemoryManager.InsideAddrSpace(Src, Size))
{
Logger.PrintWarning(LogClass.KernelSvc, $"Src address 0x{Src:x16} out of range!");
ThreadState.X0 = MakeError(ErrorModule.Kernel, KernelErr.NoAccessPerm);
return;
}
if (CurrentProcess.MemoryManager.OutsideStackRegion(Dst, Size) ||
CurrentProcess.MemoryManager.InsideHeapRegion (Dst, Size) ||
CurrentProcess.MemoryManager.InsideAliasRegion (Dst, Size))
{
Logger.PrintWarning(LogClass.KernelSvc, $"Dst address 0x{Dst:x16} out of range!");
ThreadState.X0 = MakeError(ErrorModule.Kernel, KernelErr.InvalidMemRange);
return;
}
KernelResult Result = Process.MemoryManager.Map(Dst, Src, Size);
if (Result != KernelResult.Success)
{
Logger.PrintWarning(LogClass.KernelSvc, $"Operation failed with error 0x{Result:x}!");
}
ThreadState.X0 = (ulong)Result;
}
private void SvcUnmapMemory(CpuThreadState ThreadState)
{
ulong Dst = ThreadState.X0;
ulong Src = ThreadState.X1;
ulong Size = ThreadState.X2;
if (!PageAligned(Src | Dst))
{
Logger.PrintWarning(LogClass.KernelSvc, "Addresses are not page aligned!");
ThreadState.X0 = MakeError(ErrorModule.Kernel, KernelErr.InvalidAddress);
return;
}
if (!PageAligned(Size) || Size == 0)
{
Logger.PrintWarning(LogClass.KernelSvc, $"Size 0x{Size:x16} is not page aligned or is zero!");
ThreadState.X0 = MakeError(ErrorModule.Kernel, KernelErr.InvalidSize);
return;
}
if (Src + Size <= Src || Dst + Size <= Dst)
{
Logger.PrintWarning(LogClass.KernelSvc, "Addresses outside of range!");
ThreadState.X0 = MakeError(ErrorModule.Kernel, KernelErr.NoAccessPerm);
return;
}
KProcess CurrentProcess = System.Scheduler.GetCurrentProcess();
if (!CurrentProcess.MemoryManager.InsideAddrSpace(Src, Size))
{
Logger.PrintWarning(LogClass.KernelSvc, $"Src address 0x{Src:x16} out of range!");
ThreadState.X0 = MakeError(ErrorModule.Kernel, KernelErr.NoAccessPerm);
return;
}
if (CurrentProcess.MemoryManager.OutsideStackRegion(Dst, Size) ||
CurrentProcess.MemoryManager.InsideHeapRegion (Dst, Size) ||
CurrentProcess.MemoryManager.InsideAliasRegion (Dst, Size))
{
Logger.PrintWarning(LogClass.KernelSvc, $"Dst address 0x{Dst:x16} out of range!");
ThreadState.X0 = MakeError(ErrorModule.Kernel, KernelErr.InvalidMemRange);
return;
}
KernelResult Result = Process.MemoryManager.Unmap(Dst, Src, Size);
if (Result != KernelResult.Success)
{
Logger.PrintWarning(LogClass.KernelSvc, $"Operation failed with error 0x{Result:x}!");
}
ThreadState.X0 = (ulong)Result;
}
private void SvcQueryMemory(CpuThreadState ThreadState)
{
long InfoPtr = (long)ThreadState.X0;
ulong Position = ThreadState.X2;
KMemoryInfo BlkInfo = Process.MemoryManager.QueryMemory(Position);
Memory.WriteUInt64(InfoPtr + 0x00, BlkInfo.Address);
Memory.WriteUInt64(InfoPtr + 0x08, BlkInfo.Size);
Memory.WriteInt32 (InfoPtr + 0x10, (int)BlkInfo.State & 0xff);
Memory.WriteInt32 (InfoPtr + 0x14, (int)BlkInfo.Attribute);
Memory.WriteInt32 (InfoPtr + 0x18, (int)BlkInfo.Permission);
Memory.WriteInt32 (InfoPtr + 0x1c, BlkInfo.IpcRefCount);
Memory.WriteInt32 (InfoPtr + 0x20, BlkInfo.DeviceRefCount);
Memory.WriteInt32 (InfoPtr + 0x24, 0);
ThreadState.X0 = 0;
ThreadState.X1 = 0;
}
private void SvcMapSharedMemory(CpuThreadState ThreadState)
{
int Handle = (int)ThreadState.X0;
ulong Address = ThreadState.X1;
ulong Size = ThreadState.X2;
if (!PageAligned(Address))
{
Logger.PrintWarning(LogClass.KernelSvc, $"Address 0x{Address:x16} is not page aligned!");
ThreadState.X0 = MakeError(ErrorModule.Kernel, KernelErr.InvalidAddress);
return;
}
if (!PageAligned(Size) || Size == 0)
{
Logger.PrintWarning(LogClass.KernelSvc, $"Size 0x{Size:x16} is not page aligned or is zero!");
ThreadState.X0 = MakeError(ErrorModule.Kernel, KernelErr.InvalidSize);
return;
}
if (Address + Size <= Address)
{
Logger.PrintWarning(LogClass.KernelSvc, $"Invalid region address 0x{Address:x16} / size 0x{Size:x16}!");
ThreadState.X0 = MakeError(ErrorModule.Kernel, KernelErr.NoAccessPerm);
return;
}
MemoryPermission Permission = (MemoryPermission)ThreadState.X3;
if ((Permission | MemoryPermission.Write) != MemoryPermission.ReadAndWrite)
{
Logger.PrintWarning(LogClass.KernelSvc, $"Invalid permission {Permission}!");
ThreadState.X0 = MakeError(ErrorModule.Kernel, KernelErr.InvalidPermission);
return;
}
KProcess CurrentProcess = System.Scheduler.GetCurrentProcess();
KSharedMemory SharedMemory = CurrentProcess.HandleTable.GetObject<KSharedMemory>(Handle);
if (SharedMemory == null)
{
Logger.PrintWarning(LogClass.KernelSvc, $"Invalid shared memory handle 0x{Handle:x8}!");
ThreadState.X0 = MakeError(ErrorModule.Kernel, KernelErr.InvalidHandle);
return;
}
if (CurrentProcess.MemoryManager.IsInvalidRegion (Address, Size) ||
CurrentProcess.MemoryManager.InsideHeapRegion (Address, Size) ||
CurrentProcess.MemoryManager.InsideAliasRegion(Address, Size))
{
Logger.PrintWarning(LogClass.KernelSvc, $"Address 0x{Address:x16} out of range!");
ThreadState.X0 = MakeError(ErrorModule.Kernel, KernelErr.NoAccessPerm);
return;
}
KernelResult Result = SharedMemory.MapIntoProcess(
CurrentProcess.MemoryManager,
Address,
Size,
CurrentProcess,
Permission);
if (Result != KernelResult.Success)
{
Logger.PrintWarning(LogClass.KernelSvc, $"Operation failed with error \"{Result}\".");
}
ThreadState.X0 = (ulong)Result;
}
private void SvcUnmapSharedMemory(CpuThreadState ThreadState)
{
int Handle = (int)ThreadState.X0;
ulong Address = ThreadState.X1;
ulong Size = ThreadState.X2;
if (!PageAligned(Address))
{
Logger.PrintWarning(LogClass.KernelSvc, $"Address 0x{Address:x16} is not page aligned!");
ThreadState.X0 = MakeError(ErrorModule.Kernel, KernelErr.InvalidAddress);
return;
}
if (!PageAligned(Size) || Size == 0)
{
Logger.PrintWarning(LogClass.KernelSvc, $"Size 0x{Size:x16} is not page aligned or is zero!");
ThreadState.X0 = MakeError(ErrorModule.Kernel, KernelErr.InvalidSize);
return;
}
if (Address + Size <= Address)
{
Logger.PrintWarning(LogClass.KernelSvc, $"Invalid region address 0x{Address:x16} / size 0x{Size:x16}!");
ThreadState.X0 = MakeError(ErrorModule.Kernel, KernelErr.NoAccessPerm);
return;
}
KProcess CurrentProcess = System.Scheduler.GetCurrentProcess();
KSharedMemory SharedMemory = CurrentProcess.HandleTable.GetObject<KSharedMemory>(Handle);
if (SharedMemory == null)
{
Logger.PrintWarning(LogClass.KernelSvc, $"Invalid shared memory handle 0x{Handle:x8}!");
ThreadState.X0 = MakeError(ErrorModule.Kernel, KernelErr.InvalidHandle);
return;
}
if (CurrentProcess.MemoryManager.IsInvalidRegion (Address, Size) ||
CurrentProcess.MemoryManager.InsideHeapRegion (Address, Size) ||
CurrentProcess.MemoryManager.InsideAliasRegion(Address, Size))
{
Logger.PrintWarning(LogClass.KernelSvc, $"Address 0x{Address:x16} out of range!");
ThreadState.X0 = MakeError(ErrorModule.Kernel, KernelErr.NoAccessPerm);
return;
}
KernelResult Result = SharedMemory.UnmapFromProcess(
CurrentProcess.MemoryManager,
Address,
Size,
CurrentProcess);
if (Result != KernelResult.Success)
{
Logger.PrintWarning(LogClass.KernelSvc, $"Operation failed with error \"{Result}\".");
}
ThreadState.X0 = (ulong)Result;
}
private void SvcCreateTransferMemory(CpuThreadState ThreadState)
{
ulong Address = ThreadState.X1;
ulong Size = ThreadState.X2;
if (!PageAligned(Address))
{
Logger.PrintWarning(LogClass.KernelSvc, $"Address 0x{Address:x16} is not page aligned!");
ThreadState.X0 = MakeError(ErrorModule.Kernel, KernelErr.InvalidAddress);
return;
}
if (!PageAligned(Size) || Size == 0)
{
Logger.PrintWarning(LogClass.KernelSvc, $"Size 0x{Size:x16} is not page aligned or is zero!");
ThreadState.X0 = MakeError(ErrorModule.Kernel, KernelErr.InvalidAddress);
return;
}
if (Address + Size <= Address)
{
Logger.PrintWarning(LogClass.KernelSvc, $"Invalid region address 0x{Address:x16} / size 0x{Size:x16}!");
ThreadState.X0 = MakeError(ErrorModule.Kernel, KernelErr.NoAccessPerm);
return;
}
MemoryPermission Permission = (MemoryPermission)ThreadState.X3;
if (Permission > MemoryPermission.ReadAndWrite || Permission == MemoryPermission.Write)
{
Logger.PrintWarning(LogClass.KernelSvc, $"Invalid permission {Permission}!");
ThreadState.X0 = MakeError(ErrorModule.Kernel, KernelErr.InvalidPermission);
return;
}
Process.MemoryManager.ReserveTransferMemory(Address, Size, Permission);
KTransferMemory TransferMemory = new KTransferMemory(Address, Size);
KernelResult Result = Process.HandleTable.GenerateHandle(TransferMemory, out int Handle);
ThreadState.X0 = (uint)Result;
ThreadState.X1 = (ulong)Handle;
}
private void SvcMapPhysicalMemory(CpuThreadState ThreadState)
{
ulong Address = ThreadState.X0;
ulong Size = ThreadState.X1;
if (!PageAligned(Address))
{
Logger.PrintWarning(LogClass.KernelSvc, $"Address 0x{Address:x16} is not page aligned!");
ThreadState.X0 = MakeError(ErrorModule.Kernel, KernelErr.InvalidAddress);
return;
}
if (!PageAligned(Size) || Size == 0)
{
Logger.PrintWarning(LogClass.KernelSvc, $"Size 0x{Size:x16} is not page aligned or is zero!");
ThreadState.X0 = MakeError(ErrorModule.Kernel, KernelErr.InvalidSize);
return;
}
if (Address + Size <= Address)
{
Logger.PrintWarning(LogClass.KernelSvc, $"Invalid region address 0x{Address:x16} / size 0x{Size:x16}!");
ThreadState.X0 = MakeError(ErrorModule.Kernel, KernelErr.NoAccessPerm);
return;
}
KProcess CurrentProcess = System.Scheduler.GetCurrentProcess();
if ((CurrentProcess.PersonalMmHeapPagesCount & 0xfffffffffffff) == 0)
{
Logger.PrintWarning(LogClass.KernelSvc, $"System resource size is zero.");
ThreadState.X0 = MakeError(ErrorModule.Kernel, KernelErr.InvalidState);
return;
}
if (!CurrentProcess.MemoryManager.InsideAddrSpace (Address, Size) ||
CurrentProcess.MemoryManager.OutsideAliasRegion(Address, Size))
{
Logger.PrintWarning(LogClass.KernelSvc, $"Invalid address {Address:x16}.");
ThreadState.X0 = MakeError(ErrorModule.Kernel, KernelErr.NoAccessPerm);
return;
}
KernelResult Result = Process.MemoryManager.MapPhysicalMemory(Address, Size);
if (Result != KernelResult.Success)
{
Logger.PrintWarning(LogClass.KernelSvc, $"Operation failed with error 0x{Result:x}!");
}
ThreadState.X0 = (ulong)Result;
}
private void SvcUnmapPhysicalMemory(CpuThreadState ThreadState)
{
ulong Address = ThreadState.X0;
ulong Size = ThreadState.X1;
if (!PageAligned(Address))
{
Logger.PrintWarning(LogClass.KernelSvc, $"Address 0x{Address:x16} is not page aligned!");
ThreadState.X0 = MakeError(ErrorModule.Kernel, KernelErr.InvalidAddress);
return;
}
if (!PageAligned(Size) || Size == 0)
{
Logger.PrintWarning(LogClass.KernelSvc, $"Size 0x{Size:x16} is not page aligned or is zero!");
ThreadState.X0 = MakeError(ErrorModule.Kernel, KernelErr.InvalidSize);
return;
}
if (Address + Size <= Address)
{
Logger.PrintWarning(LogClass.KernelSvc, $"Invalid region address 0x{Address:x16} / size 0x{Size:x16}!");
ThreadState.X0 = MakeError(ErrorModule.Kernel, KernelErr.NoAccessPerm);
return;
}
KProcess CurrentProcess = System.Scheduler.GetCurrentProcess();
if ((CurrentProcess.PersonalMmHeapPagesCount & 0xfffffffffffff) == 0)
{
Logger.PrintWarning(LogClass.KernelSvc, $"System resource size is zero.");
ThreadState.X0 = MakeError(ErrorModule.Kernel, KernelErr.InvalidState);
return;
}
if (!CurrentProcess.MemoryManager.InsideAddrSpace (Address, Size) ||
CurrentProcess.MemoryManager.OutsideAliasRegion(Address, Size))
{
Logger.PrintWarning(LogClass.KernelSvc, $"Invalid address {Address:x16}.");
ThreadState.X0 = MakeError(ErrorModule.Kernel, KernelErr.NoAccessPerm);
return;
}
KernelResult Result = Process.MemoryManager.UnmapPhysicalMemory(Address, Size);
if (Result != KernelResult.Success)
{
Logger.PrintWarning(LogClass.KernelSvc, $"Operation failed with error 0x{Result:x}!");
}
ThreadState.X0 = (ulong)Result;
}
private static bool PageAligned(ulong Position)
{
return (Position & (KMemoryManager.PageSize - 1)) == 0;
}
}
}