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, KMemoryManager.PageSize);
int codePagesCount = (int)(codeSize / KMemoryManager.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.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();
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, Npdm metaData, byte[] arguments = null, params IExecutable[] executables)
{
ulong argsStart = 0;
uint argsSize = 0;
ulong codeStart = metaData.Is64Bit ? 0x8000000UL : 0x200000UL;
uint codeSize = 0;
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, KMemoryManager.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, KMemoryManager.PageSize);
codeSize += argsSize;
}
}
PtcProfiler.StaticCodeStart = codeStart;
PtcProfiler.StaticCodeSize = (ulong)codeSize;
int codePagesCount = (int)(codeSize / KMemoryManager.PageSize);
int personalMmHeapPagesCount = metaData.PersonalMmHeapSize / KMemoryManager.PageSize;
ProcessCreationInfo creationInfo = new ProcessCreationInfo(
metaData.TitleName,
metaData.Version,
metaData.Aci0.TitleId,
codeStart,
codePagesCount,
(ProcessCreationFlags)metaData.ProcessFlags | ProcessCreationFlags.IsApplication,
0,
personalMmHeapPagesCount);
KernelResult result;
KResourceLimit resourceLimit = new KResourceLimit(context);
long applicationRgSize = (long)context.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.");
return(false);
}
KProcess process = new KProcess(context);
MemoryRegion memoryRegion = (MemoryRegion)((metaData.Acid.Flags >> 2) & 0xf);
if (memoryRegion > MemoryRegion.NvServices)
{
Logger.Error?.Print(LogClass.Loader, $"Process initialization failed due to invalid ACID flags.");
return(false);
}
var processContextFactory = new ArmProcessContextFactory();
result = process.Initialize(
creationInfo,
metaData.Aci0.KernelAccessControl.Capabilities,
resourceLimit,
memoryRegion,
processContextFactory);
if (result != KernelResult.Success)
{
Logger.Error?.Print(LogClass.Loader, $"Process initialization returned error \"{result}\".");
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}\".");
return(false);
}
}
process.DefaultCpuCore = metaData.DefaultCpuId;
result = process.Start(metaData.MainThreadPriority, (ulong)metaData.MainThreadStackSize);
if (result != KernelResult.Success)
{
Logger.Error?.Print(LogClass.Loader, $"Process start returned error \"{result}\".");
return(false);
}
context.Processes.TryAdd(process.Pid, process);
return(true);
}