mirror of
https://github.com/hedge-dev/UnleashedRecomp.git
synced 2026-04-27 12:51:42 +00:00
Cross-platform thread implementation.
This commit is contained in:
Skyth
parent
52b4f0ee5e
commit
f1039fcc78
5 changed files with 158 additions and 95 deletions
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@ -27,7 +27,7 @@ GuestThreadContext::GuestThreadContext(uint32_t cpuNumber)
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*(thread + 0x10C) = cpuNumber;
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*(uint32_t*)(thread + PCR_SIZE + 0x10) = 0xFFFFFFFF; // that one TLS entry that felt quirky
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*(uint32_t*)(thread + PCR_SIZE + TLS_SIZE + 0x14C) = ByteSwap(GetCurrentThreadId()); // thread id
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*(uint32_t*)(thread + PCR_SIZE + TLS_SIZE + 0x14C) = ByteSwap(GuestThread::GetCurrentThreadId()); // thread id
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ppcContext.fn = (uint8_t*)g_codeCache.bucket;
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ppcContext.r1.u64 = g_memory.MapVirtual(thread + PCR_SIZE + TLS_SIZE + TEB_SIZE + STACK_SIZE); // stack pointer
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@ -42,42 +42,82 @@ GuestThreadContext::~GuestThreadContext()
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g_userHeap.Free(thread);
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}
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DWORD GuestThread::Start(uint32_t function)
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static void GuestThreadFunc(GuestThreadHandle* hThread)
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{
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const GuestThreadParameter parameter{ function };
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return Start(parameter);
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hThread->suspended.wait(true);
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GuestThread::Start(hThread->params);
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}
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DWORD GuestThread::Start(const GuestThreadParameter& parameter)
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GuestThreadHandle::GuestThreadHandle(const GuestThreadParams& params)
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: params(params), suspended((params.flags & 0x1) != 0), thread(GuestThreadFunc, this)
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{
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const auto procMask = (uint8_t)(parameter.flags >> 24);
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}
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GuestThreadHandle::~GuestThreadHandle()
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{
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if (thread.joinable())
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thread.join();
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}
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void GuestThreadHandle::Wait(uint32_t timeout)
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{
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assert(timeout == INFINITE);
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if (thread.joinable())
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thread.join();
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}
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uint32_t GuestThread::Start(const GuestThreadParams& params)
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{
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const auto procMask = (uint8_t)(params.flags >> 24);
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const auto cpuNumber = procMask == 0 ? 0 : 7 - std::countl_zero(procMask);
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GuestThreadContext ctx(cpuNumber);
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ctx.ppcContext.r3.u64 = parameter.value;
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ctx.ppcContext.r3.u64 = params.value;
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GuestCode::Run(g_codeCache.Find(parameter.function), &ctx.ppcContext, g_memory.Translate(0));
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GuestCode::Run(g_codeCache.Find(params.function), &ctx.ppcContext, g_memory.Translate(0));
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return (DWORD)ctx.ppcContext.r3.u64;
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return ctx.ppcContext.r3.u32;
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}
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DWORD HostThreadStart(void* pParameter)
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static uint32_t GetThreadId(const std::thread::id& id)
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{
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auto* parameter = static_cast<GuestThreadParameter*>(pParameter);
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const auto result = GuestThread::Start(*parameter);
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delete parameter;
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return result;
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if constexpr (sizeof(id) == 4)
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return *reinterpret_cast<const uint32_t*>(&id);
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else
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return XXH32(&id, sizeof(id), 0);
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}
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HANDLE GuestThread::Start(uint32_t function, uint32_t parameter, uint32_t flags, LPDWORD threadId)
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GuestThreadHandle* GuestThread::Start(const GuestThreadParams& params, uint32_t* threadId)
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{
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const auto hostCreationFlags = (flags & 1) != 0 ? CREATE_SUSPENDED : 0;
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//return CreateThread(nullptr, 0, Start, (void*)((uint64_t(parameter) << 32) | function), suspended ? CREATE_SUSPENDED : 0, threadId);
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return CreateThread(nullptr, 0, HostThreadStart, new GuestThreadParameter{ function, parameter, flags }, hostCreationFlags, threadId);
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auto hThread = CreateKernelObject<GuestThreadHandle>(params);
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if (threadId != nullptr)
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*threadId = GetThreadId(hThread->thread.get_id());
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return hThread;
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}
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void GuestThread::SetThreadName(uint32_t id, const char* name)
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uint32_t GuestThread::GetCurrentThreadId()
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{
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return GetThreadId(std::this_thread::get_id());
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}
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void GuestThread::SetLastError(uint32_t error)
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{
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auto* thread = (char*)g_memory.Translate(GetPPCContext()->r13.u32);
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if (*(uint32_t*)(thread + 0x150))
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{
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// Program doesn't want errors
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return;
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}
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// TEB + 0x160 : Win32LastError
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*(uint32_t*)(thread + TEB_OFFSET + 0x160) = ByteSwap(error);
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}
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#ifdef _WIN32
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void GuestThread::SetThreadName(uint32_t threadId, const char* name)
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{
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#pragma pack(push,8)
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const DWORD MS_VC_EXCEPTION = 0x406D1388;
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@ -94,7 +134,7 @@ void GuestThread::SetThreadName(uint32_t id, const char* name)
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THREADNAME_INFO info;
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info.dwType = 0x1000;
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info.szName = name;
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info.dwThreadID = id;
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info.dwThreadID = threadId;
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info.dwFlags = 0;
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__try
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@ -105,41 +145,31 @@ void GuestThread::SetThreadName(uint32_t id, const char* name)
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{
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}
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}
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void GuestThread::SetLastError(DWORD error)
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{
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auto* thread = (char*)g_memory.Translate(GetPPCContext()->r13.u32);
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if (*(DWORD*)(thread + 0x150))
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{
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// Program doesn't want errors
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return;
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}
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// TEB + 0x160 : Win32LastError
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*(DWORD*)(thread + TEB_OFFSET + 0x160) = ByteSwap(error);
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}
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PPCContext* GuestThread::Invoke(uint32_t address)
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{
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auto* ctx = GetPPCContext();
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GuestCode::Run(g_codeCache.Find(address), ctx);
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return ctx;
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}
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#endif
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void SetThreadNameImpl(uint32_t a1, uint32_t threadId, uint32_t* name)
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{
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#ifdef _WIN32
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GuestThread::SetThreadName(threadId, (const char*)g_memory.Translate(ByteSwap(*name)));
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#endif
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}
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int GetThreadPriorityImpl(uint32_t hThread)
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int GetThreadPriorityImpl(GuestThreadHandle* hThread)
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{
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return GetThreadPriority((HANDLE)hThread);
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#ifdef _WIN32
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return GetThreadPriority(hThread == GetKernelObject(CURRENT_THREAD_HANDLE) ? GetCurrentThread() : hThread->thread.native_handle());
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#else
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return 0;
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#endif
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}
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DWORD SetThreadIdealProcessorImpl(uint32_t hThread, DWORD dwIdealProcessor)
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uint32_t SetThreadIdealProcessorImpl(GuestThreadHandle* hThread, uint32_t dwIdealProcessor)
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{
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return SetThreadIdealProcessor((HANDLE)hThread, dwIdealProcessor);
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#ifdef _WIN32
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return SetThreadIdealProcessor(hThread == GetKernelObject(CURRENT_THREAD_HANDLE) ? GetCurrentThread() : hThread->thread.native_handle(), dwIdealProcessor);
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#else
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return 0;
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#endif
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}
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GUEST_FUNCTION_HOOK(sub_82DFA2E8, SetThreadNameImpl);
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@ -1,12 +1,8 @@
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#pragma once
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struct PPCContext;
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struct GuestThreadParameter
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{
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uint32_t function;
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uint32_t value;
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uint32_t flags;
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};
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#include <kernel/xdm.h>
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#define CURRENT_THREAD_HANDLE uint32_t(-2)
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struct GuestThreadContext
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{
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@ -17,13 +13,34 @@ struct GuestThreadContext
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~GuestThreadContext();
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};
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struct GuestThreadParams
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{
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uint32_t function;
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uint32_t value;
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uint32_t flags;
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};
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struct GuestThreadHandle : KernelObject
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{
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GuestThreadParams params;
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std::atomic<bool> suspended;
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std::thread thread;
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GuestThreadHandle(const GuestThreadParams& params);
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~GuestThreadHandle() override;
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void Wait(uint32_t timeout) override;
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};
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struct GuestThread
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{
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static DWORD Start(uint32_t function);
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static DWORD Start(const GuestThreadParameter& parameter);
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static HANDLE Start(uint32_t function, uint32_t parameter, uint32_t flags, LPDWORD threadId);
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static uint32_t Start(const GuestThreadParams& params);
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static GuestThreadHandle* Start(const GuestThreadParams& params, uint32_t* threadId);
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static void SetThreadName(uint32_t id, const char* name);
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static void SetLastError(DWORD error);
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static PPCContext* Invoke(uint32_t address);
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static uint32_t GetCurrentThreadId();
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static void SetLastError(uint32_t error);
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#ifdef _WIN32
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static void SetThreadName(uint32_t threadId, const char* name);
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#endif
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};
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@ -256,15 +256,25 @@ uint32_t FscSetCacheElementCount()
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DWORD NtWaitForSingleObjectEx(DWORD Handle, DWORD WaitMode, DWORD Alertable, XLPQWORD Timeout)
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{
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const auto status = WaitForSingleObjectEx((HANDLE)Handle, GuestTimeoutToMilliseconds(Timeout), Alertable);
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uint32_t timeout = GuestTimeoutToMilliseconds(Timeout);
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assert(timeout == 0 || timeout == INFINITE);
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if (status == WAIT_IO_COMPLETION)
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if (IsKernelObject(Handle))
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{
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return STATUS_USER_APC;
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GetKernelObject(Handle)->Wait(timeout);
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}
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else if (status)
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else
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{
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return STATUS_ALERTED;
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const auto status = WaitForSingleObjectEx((HANDLE)Handle, timeout, Alertable);
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if (status == WAIT_IO_COMPLETION)
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{
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return STATUS_USER_APC;
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}
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else if (status)
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{
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return STATUS_ALERTED;
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}
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}
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return STATUS_SUCCESS;
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@ -474,8 +484,9 @@ void ObDereferenceObject()
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LOG_UTILITY("!!! STUB !!!");
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}
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void KeSetBasePriorityThread(uint32_t thread, int priority)
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void KeSetBasePriorityThread(GuestThreadHandle* hThread, int priority)
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{
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#ifdef _WIN32
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if (priority == 16)
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{
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priority = 15;
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@ -485,7 +496,8 @@ void KeSetBasePriorityThread(uint32_t thread, int priority)
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priority = -15;
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}
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SetThreadPriority((HANDLE)thread, priority);
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SetThreadPriority(hThread == GetKernelObject(CURRENT_THREAD_HANDLE) ? GetCurrentThread() : hThread->thread.native_handle(), priority);
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#endif
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}
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uint32_t ObReferenceObjectByHandle(uint32_t handle, uint32_t objectType, XLPDWORD object)
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@ -499,15 +511,12 @@ void KeQueryBasePriorityThread()
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LOG_UTILITY("!!! STUB !!!");
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}
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uint32_t NtSuspendThread(uint32_t hThread, uint32_t* suspendCount)
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uint32_t NtSuspendThread(GuestThreadHandle* hThread, uint32_t* suspendCount)
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{
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DWORD count = SuspendThread((HANDLE)hThread);
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assert(hThread != GetKernelObject(CURRENT_THREAD_HANDLE) && hThread->thread.get_id() == std::this_thread::get_id());
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if (count == (DWORD)-1)
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return E_FAIL;
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if (suspendCount != nullptr)
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*suspendCount = ByteSwap(count);
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hThread->suspended = true;
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hThread->suspended.wait(true);
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return S_OK;
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}
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@ -890,29 +899,32 @@ DWORD KeWaitForSingleObject(XDISPATCHER_HEADER* Object, DWORD WaitReason, DWORD
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return WaitForSingleObjectEx(handle, timeout, Alertable);
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}
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static thread_local std::vector<uint32_t> g_tlsValues;
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static std::vector<size_t> g_tlsFreeIndices;
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static size_t g_tlsNextIndex = 0;
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static Mutex g_tlsAllocationMutex;
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static void KeTlsEnsureTlsCapacity(size_t index)
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static uint32_t& KeTlsGetValueRef(size_t index)
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{
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if (g_tlsValues.size() <= index)
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// Having this a global thread_local variable
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// for some reason crashes on boot in debug builds.
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thread_local std::vector<uint32_t> s_tlsValues;
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if (s_tlsValues.size() <= index)
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{
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g_tlsValues.resize(index + 1, 0);
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s_tlsValues.resize(index + 1, 0);
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}
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return s_tlsValues[index];
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}
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uint32_t KeTlsGetValue(DWORD dwTlsIndex)
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{
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KeTlsEnsureTlsCapacity(dwTlsIndex);
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return g_tlsValues[dwTlsIndex];
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return KeTlsGetValueRef(dwTlsIndex);
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}
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BOOL KeTlsSetValue(DWORD dwTlsIndex, DWORD lpTlsValue)
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{
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KeTlsEnsureTlsCapacity(dwTlsIndex);
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g_tlsValues[dwTlsIndex] = lpTlsValue;
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KeTlsGetValueRef(dwTlsIndex) = lpTlsValue;
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return TRUE;
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}
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@ -1169,15 +1181,12 @@ uint32_t NtClearEvent(uint32_t handle, uint32_t* previousState)
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return ResetEvent((HANDLE)handle) ? 0 : 0xFFFFFFFF;
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}
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uint32_t NtResumeThread(uint32_t hThread, uint32_t* suspendCount)
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uint32_t NtResumeThread(GuestThreadHandle* hThread, uint32_t* suspendCount)
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{
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DWORD count = ResumeThread((HANDLE)hThread);
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assert(hThread != GetKernelObject(CURRENT_THREAD_HANDLE));
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if (count == (DWORD)-1)
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return E_FAIL;
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if (suspendCount != nullptr)
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*suspendCount = ByteSwap(count);
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hThread->suspended = false;
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hThread->suspended.notify_all();
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return S_OK;
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}
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@ -1270,9 +1279,9 @@ uint32_t ExCreateThread(XLPDWORD handle, uint32_t stackSize, XLPDWORD threadId,
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LOGF_UTILITY("0x{:X}, 0x{:X}, 0x{:X}, 0x{:X}, 0x{:X}, 0x{:X}, 0x{:X}",
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(intptr_t)handle, stackSize, (intptr_t)threadId, xApiThreadStartup, startAddress, startContext, creationFlags);
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DWORD hostThreadId;
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uint32_t hostThreadId;
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*handle = (uint32_t)GuestThread::Start(startAddress, startContext, creationFlags, &hostThreadId);
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*handle = GetKernelHandle(GuestThread::Start({ startAddress, startContext, creationFlags }, &hostThreadId));
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if (threadId != nullptr)
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*threadId = hostThreadId;
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@ -1391,10 +1400,13 @@ DWORD XAudioGetVoiceCategoryVolumeChangeMask(DWORD Driver, XLPDWORD Mask)
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return 0;
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}
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uint32_t KeResumeThread(uint32_t object)
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uint32_t KeResumeThread(GuestThreadHandle* object)
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{
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LOGF_UTILITY("0x{:x}", object);
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return ResumeThread((HANDLE)object);
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assert(object != GetKernelObject(CURRENT_THREAD_HANDLE));
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object->suspended = false;
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object->suspended.notify_all();
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return 0;
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}
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void KeInitializeSemaphore(XKSEMAPHORE* semaphore, uint32_t count, uint32_t limit)
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@ -10,7 +10,11 @@ struct KernelObject
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{
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virtual ~KernelObject()
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{
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;
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}
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virtual void Wait(uint32_t timeout)
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{
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assert(false && "Wait not implemented for this kernel object.");
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}
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};
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@ -182,7 +182,7 @@ int main(int argc, char *argv[])
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Video::StartPipelinePrecompilation();
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GuestThread::Start(entry);
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GuestThread::Start({ entry, 0, 0 });
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return 0;
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}
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