R/Ryujinx.HLE/HOS/ProgramLoader.cs
gdkchan fbb4019ed5
Initial support for separate GPU address spaces (#2394)
* Make GPU memory manager a member of GPU channel

* Move physical memory instance to the memory manager, and the caches to the physical memory

* PR feedback
2021-06-29 19:32:02 +02:00

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11 KiB
C#

using ARMeilleure.Translation.PTC;
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 Ryujinx.HLE.Loaders.Npdm;
using System;
using System.Linq;
namespace Ryujinx.HLE.HOS
{
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, Npdm metaData, byte[] arguments = null, params IExecutable[] executables)
{
ulong argsStart = 0;
uint argsSize = 0;
ulong codeStart = metaData.Is64Bit ? 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 = metaData.PersonalMmHeapSize / KPageTableBase.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.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)((metaData.Acid.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,
metaData.Aci0.KernelAccessControl.Capabilities,
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 = metaData.DefaultCpuId;
result = process.Start(metaData.MainThreadPriority, (ulong)metaData.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);
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);
}
}
}