private void SvcQueryMemory(AThreadState ThreadState)
{
long InfoPtr = (long)ThreadState.X0;
long Position = (long)ThreadState.X2;
KMemoryInfo BlkInfo = Process.MemoryManager.QueryMemory(Position);
Memory.WriteInt64(InfoPtr + 0x00, BlkInfo.Position);
Memory.WriteInt64(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 ScanMemoryForTextSegments()
{
ulong oldAddress = 0;
ulong address = 0;
while (address >= oldAddress)
{
KMemoryInfo info = _owner.MemoryManager.QueryMemory(address);
if (info.State == MemoryState.Reserved)
{
break;
}
if (info.State == MemoryState.CodeStatic && info.Permission == KMemoryPermission.ReadAndExecute)
{
LoadMod0Symbols(_owner.CpuMemory, info.Address);
}
oldAddress = address;
address = info.Address + info.Size;
}
}
private long MapNro(ServiceCtx context, NroInfo info, out ulong nroMappedAddress)
{
nroMappedAddress = 0;
KMemoryManager memMgr = context.Process.MemoryManager;
ulong targetAddress = memMgr.GetAddrSpaceBaseAddr();
while (true)
{
if (targetAddress + info.TotalSize >= memMgr.AddrSpaceEnd)
{
return(MakeError(ErrorModule.Loader, LoaderErr.InvalidMemoryState));
}
KMemoryInfo memInfo = memMgr.QueryMemory(targetAddress);
if (memInfo.State == MemoryState.Unmapped && memInfo.Size >= info.TotalSize)
{
if (!memMgr.InsideHeapRegion(targetAddress, info.TotalSize) &&
!memMgr.InsideAliasRegion(targetAddress, info.TotalSize))
{
break;
}
}
targetAddress += memInfo.Size;
}
KernelResult result = memMgr.MapProcessCodeMemory(targetAddress, info.NroAddress, info.NroSize);
if (result != KernelResult.Success)
{
return(MakeError(ErrorModule.Loader, LoaderErr.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(MakeError(ErrorModule.Loader, LoaderErr.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);
}
return(0);
}
info.NroMappedAddress = targetAddress;
nroMappedAddress = targetAddress;
return(0);
}
private long MapNro(ServiceCtx Context, NroInfo Info, out ulong NroMappedAddress)
{
NroMappedAddress = 0;
KMemoryManager MemMgr = Context.Process.MemoryManager;
ulong TargetAddress = MemMgr.GetAddrSpaceBaseAddr();
while (true)
{
if (TargetAddress + Info.TotalSize >= MemMgr.AddrSpaceEnd)
{
return(MakeError(ErrorModule.Loader, LoaderErr.InvalidMemoryState));
}
KMemoryInfo MemInfo = MemMgr.QueryMemory(TargetAddress);
if (MemInfo.State == MemoryState.Unmapped && MemInfo.Size >= Info.TotalSize)
{
if (!MemMgr.InsideHeapRegion(TargetAddress, Info.TotalSize) &&
!MemMgr.InsideAliasRegion(TargetAddress, Info.TotalSize))
{
break;
}
}
TargetAddress += MemInfo.Size;
}
KernelResult Result = MemMgr.MapProcessCodeMemory(TargetAddress, Info.NroAddress, Info.NroSize);
if (Result != KernelResult.Success)
{
return(MakeError(ErrorModule.Loader, LoaderErr.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(MakeError(ErrorModule.Loader, LoaderErr.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);
}
return(0);
}
Info.NroMappedAddress = TargetAddress;
NroMappedAddress = TargetAddress;
return(0);
}
