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using Ryujinx.Common.Configuration;
using Ryujinx.Common.Logging;
using Ryujinx.Cpu;
using Ryujinx.Cpu.AppleHv;
using Ryujinx.Cpu.Jit;
using Ryujinx.Cpu.LightningJit;
using Ryujinx.Graphics.Gpu;
using Ryujinx.HLE.HOS.Kernel;
using Ryujinx.HLE.HOS.Kernel.Process;
using Ryujinx.Memory;
using System;
using System.Runtime.InteropServices;
namespace Ryujinx.HLE.HOS
{
class ArmProcessContextFactory : IProcessContextFactory
{
private readonly ITickSource _tickSource;
private readonly GpuContext _gpu;
private readonly string _titleIdText;
private readonly string _displayVersion;
private readonly bool _diskCacheEnabled;
private readonly ulong _codeAddress;
private readonly ulong _codeSize;
public IDiskCacheLoadState DiskCacheLoadState { get; private set; }
public ArmProcessContextFactory(
ITickSource tickSource,
GpuContext gpu,
string titleIdText,
string displayVersion,
bool diskCacheEnabled,
ulong codeAddress,
ulong codeSize)
{
_tickSource = tickSource;
_gpu = gpu;
_titleIdText = titleIdText;
_displayVersion = displayVersion;
_diskCacheEnabled = diskCacheEnabled;
_codeAddress = codeAddress;
_codeSize = codeSize;
}
public IProcessContext Create(KernelContext context, ulong pid, ulong addressSpaceSize, InvalidAccessHandler invalidAccessHandler, bool for64Bit)
{
IArmProcessContext processContext;
bool isArm64Host = RuntimeInformation.ProcessArchitecture == Architecture.Arm64;
if (OperatingSystem.IsMacOS() && isArm64Host && for64Bit && context.Device.Configuration.UseHypervisor)
{
var cpuEngine = new HvEngine(_tickSource);
var memoryManager = new HvMemoryManager(context.Memory, addressSpaceSize, invalidAccessHandler);
processContext = new ArmProcessContext<HvMemoryManager>(pid, cpuEngine, _gpu, memoryManager, addressSpaceSize, for64Bit);
}
else
{
MemoryManagerMode mode = context.Device.Configuration.MemoryManagerMode;
if (!MemoryBlock.SupportsFlags(MemoryAllocationFlags.ViewCompatible))
{
Logger.Warning?.Print(LogClass.Cpu, "Host system doesn't support views, falling back to software page table");
mode = MemoryManagerMode.SoftwarePageTable;
}
ICpuEngine cpuEngine = isArm64Host && (mode == MemoryManagerMode.HostMapped || mode == MemoryManagerMode.HostMappedUnsafe)
? new LightningJitEngine(_tickSource)
: new JitEngine(_tickSource);
AddressSpace addressSpace = null;
// We want to use host tracked mode if the host page size is > 4KB.
if ((mode == MemoryManagerMode.HostMapped || mode == MemoryManagerMode.HostMappedUnsafe) && MemoryBlock.GetPageSize() <= 0x1000)
{
if (!AddressSpace.TryCreate(context.Memory, addressSpaceSize, out addressSpace))
{
Logger.Warning?.Print(LogClass.Cpu, "Address space creation failed, falling back to software page table");
mode = MemoryManagerMode.SoftwarePageTable;
}
}
switch (mode)
{
case MemoryManagerMode.SoftwarePageTable:
var memoryManager = new MemoryManager(context.Memory, addressSpaceSize, invalidAccessHandler);
processContext = new ArmProcessContext<MemoryManager>(pid, cpuEngine, _gpu, memoryManager, addressSpaceSize, for64Bit);
break;
case MemoryManagerMode.HostMapped:
case MemoryManagerMode.HostMappedUnsafe:
if (addressSpace == null)
{
var memoryManagerHostTracked = new MemoryManagerHostTracked(context.Memory, addressSpaceSize, mode == MemoryManagerMode.HostMappedUnsafe, invalidAccessHandler);
processContext = new ArmProcessContext<MemoryManagerHostTracked>(pid, cpuEngine, _gpu, memoryManagerHostTracked, addressSpaceSize, for64Bit);
}
else
{
if (addressSpaceSize != addressSpace.AddressSpaceSize)
{
Logger.Warning?.Print(LogClass.Emulation, $"Allocated address space (0x{addressSpace.AddressSpaceSize:X}) is smaller than guest application requirements (0x{addressSpaceSize:X})");
}
var memoryManagerHostMapped = new MemoryManagerHostMapped(addressSpace, mode == MemoryManagerMode.HostMappedUnsafe, invalidAccessHandler);
processContext = new ArmProcessContext<MemoryManagerHostMapped>(pid, cpuEngine, _gpu, memoryManagerHostMapped, addressSpace.AddressSpaceSize, for64Bit);
}
break;
default:
throw new InvalidOperationException($"{nameof(mode)} contains an invalid value: {mode}");
}
}
DiskCacheLoadState = processContext.Initialize(_titleIdText, _displayVersion, _diskCacheEnabled, _codeAddress, _codeSize);
return processContext;
}
}
}
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