Merge pull request #27 from georgemoralis/pthreads

Pthreads

.gitignore

@@ -31,6 +31,7 @@ bld/
 [Oo]bj/
 [Ll]og/
 [Ll]ogs/
+[Bb]uild/
 
 # Visual Studio 2015/2017 cache/options directory
 .vs/

.gitmodules

@@ -22,3 +22,7 @@
 	path = third-party/zydis
 	url = https://github.com/zyantific/zydis.git
 	shallow = true
+[submodule "third-party/winpthread"]
+	path = third-party/winpthread
+	url = https://github.com/shadps4/winpthread.git
+	branch = main

CMakeLists.txt

@@ -15,8 +15,8 @@ include_directories(third-party/sdl/)
 include_directories(third-party/fmt/include)
 include_directories(third-party/magic_enum/include)
 include_directories(third-party/zydis/include/Zydis)
+include_directories(third-party/winpthread/include)
 add_subdirectory("third-party")
-
 #=================== EXAMPLE ===================
 
 add_executable(shadps4
@@ -34,13 +34,15 @@ add_executable(shadps4
     src/Core/Memory.h
     src/Core/PS4/Linker.cpp
     src/Core/PS4/Linker.h
-     "src/Util/Singleton.h" "src/Util/Disassembler.cpp" "src/Util/Disassembler.h" "src/Util/StringUtil.h" "src/Core/PS4/Util/aerolib.h" "src/Core/PS4/Loader/SymbolsResolver.h" "src/Core/PS4/Loader/SymbolsResolver.cpp" "src/Core/PS4/HLE/Libs.cpp" "src/Core/PS4/HLE/Libs.h" "src/Core/PS4/HLE/LibC.cpp" "src/Core/PS4/HLE/LibC.h" "src/Lib/Timer.cpp" "src/Lib/Timer.h" "src/Core/PS4/HLE/LibKernel.cpp" "src/Core/PS4/HLE/LibKernel.h" "src/Core/PS4/HLE/LibSceVideoOut.cpp" "src/Core/PS4/HLE/LibSceVideoOut.h" "src/Core/PS4/HLE/LibSceGnmDriver.cpp" "src/Core/PS4/HLE/LibSceGnmDriver.h")
+     "src/Util/Singleton.h" "src/Util/Disassembler.cpp" "src/Util/Disassembler.h" "src/Util/StringUtil.h" "src/Core/PS4/Util/aerolib.h" "src/Core/PS4/Loader/SymbolsResolver.h" "src/Core/PS4/Loader/SymbolsResolver.cpp" "src/Core/PS4/HLE/Libs.cpp" "src/Core/PS4/HLE/Libs.h" "src/Core/PS4/HLE/LibC.cpp" "src/Core/PS4/HLE/LibC.h" "src/Lib/Timer.cpp" "src/Lib/Timer.h" "src/Core/PS4/HLE/LibKernel.cpp" "src/Core/PS4/HLE/LibKernel.h" "src/Core/PS4/HLE/LibSceVideoOut.cpp" "src/Core/PS4/HLE/LibSceVideoOut.h" "src/Core/PS4/HLE/LibSceGnmDriver.cpp" "src/Core/PS4/HLE/LibSceGnmDriver.h" "src/Core/PS4/HLE/Kernel/ThreadManagement.cpp" "src/Core/PS4/HLE/Kernel/ThreadManagement.h" "src/Core/PS4/HLE/ErrorCodes.h")
 
 find_package(OpenGL REQUIRED)
-
 target_link_libraries(shadps4 PUBLIC fmt spdlog IMGUI SDL3-shared ${OPENGL_LIBRARY})
 
 add_custom_command(TARGET shadps4 POST_BUILD
    COMMAND ${CMAKE_COMMAND} -E copy_if_different
      $<TARGET_FILE:SDL3-shared>
      $<TARGET_FILE_DIR:shadps4>)
+add_custom_command(TARGET shadps4 POST_BUILD
+   COMMAND ${CMAKE_COMMAND} -E copy_if_different
+     "${PROJECT_SOURCE_DIR}/third-party/winpthread/bin/libwinpthread-1.dll" $<TARGET_FILE_DIR:shadps4>)

src/Core/PS4/HLE/ErrorCodes.h

@@ -0,0 +1,5 @@
+#pragma once
+constexpr int SCE_OK = 0;
+
+constexpr int SCE_KERNEL_ERROR_ENOMEM = 0x8002000c;//Insufficient memory
+constexpr int SCE_KERNEL_ERROR_EINVAL = 0x80020016;//null or invalid states

src/Core/PS4/HLE/Kernel/ThreadManagement.cpp

@@ -0,0 +1,131 @@
+#include "ThreadManagement.h"
+#include "../ErrorCodes.h"
+
+namespace HLE::Libs::LibKernel::ThreadManagement
+{
+
+thread_local PthreadInternal* g_pthread_self = nullptr;
+PThreadCxt* g_pthread_cxt = nullptr;
+
+
+void Pthread_Init_Self_MainThread() {
+    g_pthread_self = new PthreadInternal{};
+    scePthreadAttrInit(&g_pthread_self->attr);
+    g_pthread_self->pth = pthread_self();
+    g_pthread_self->name = "Main_Thread";
+}
+
+int scePthreadAttrInit(ScePthreadAttr* attr) {
+
+    *attr = new PthreadAttrInternal{};
+
+    int result = pthread_attr_init(&(*attr)->pth_attr);
+
+    (*attr)->affinity = 0x7f;
+    (*attr)->guard_size = 0x1000;
+
+    SceKernelSchedParam param{};
+    param.sched_priority = 700;
+
+    result = (result == 0 ? scePthreadAttrSetinheritsched(attr, 4) : result);
+    result = (result == 0 ? scePthreadAttrSetschedparam(attr, &param) : result);
+    result = (result == 0 ? scePthreadAttrSetschedpolicy(attr, SCHED_OTHER) : result);
+    result = (result == 0 ? scePthreadAttrSetdetachstate(attr, PTHREAD_CREATE_JOINABLE) : result);
+
+    switch (result) {
+        case 0: return SCE_OK;
+        case ENOMEM: return SCE_KERNEL_ERROR_ENOMEM;
+        default: return SCE_KERNEL_ERROR_EINVAL;
+    }
+}
+
+int scePthreadAttrSetdetachstate(ScePthreadAttr* attr, int detachstate) {
+
+    if (attr == nullptr || *attr == nullptr) {
+        return SCE_KERNEL_ERROR_EINVAL;
+    }
+
+    int pstate = PTHREAD_CREATE_JOINABLE;
+    switch (detachstate) {
+        case 0: pstate = PTHREAD_CREATE_JOINABLE; break;
+        case 1: pstate = PTHREAD_CREATE_DETACHED; break;
+        default: 
+            __debugbreak(); //unknown state
+    }
+
+    int result = pthread_attr_setdetachstate(&(*attr)->pth_attr, pstate);
+
+    (*attr)->detached = (pstate == PTHREAD_CREATE_DETACHED);
+
+    if (result == 0) {
+        return SCE_OK;
+    }
+    return SCE_KERNEL_ERROR_EINVAL;
+}
+
+int scePthreadAttrSetinheritsched(ScePthreadAttr* attr, int inheritSched) {
+
+    if (attr == nullptr || *attr == nullptr) {
+        return SCE_KERNEL_ERROR_EINVAL;
+    }
+
+    int pinherit_sched = PTHREAD_INHERIT_SCHED;
+    switch (inheritSched) {
+        case 0: pinherit_sched = PTHREAD_EXPLICIT_SCHED; break;
+        case 4: pinherit_sched = PTHREAD_INHERIT_SCHED; break;
+        default: __debugbreak();  // unknown inheritSched
+    }
+
+    int result = pthread_attr_setinheritsched(&(*attr)->pth_attr, pinherit_sched);
+
+    if (result == 0) {
+        return SCE_OK;
+    }
+    return SCE_KERNEL_ERROR_EINVAL;
+}
+
+int scePthreadAttrSetschedparam(ScePthreadAttr* attr, const SceKernelSchedParam* param) {
+
+    if (param == nullptr || attr == nullptr || *attr == nullptr) {
+        return SCE_KERNEL_ERROR_EINVAL;
+    }
+
+    SceKernelSchedParam pparam{};
+    if (param->sched_priority <= 478) {
+        pparam.sched_priority = +2;
+    } else if (param->sched_priority >= 733) {
+        pparam.sched_priority = -2;
+    } else {
+        pparam.sched_priority = 0;
+    }
+
+    int result = pthread_attr_setschedparam(&(*attr)->pth_attr, &pparam);
+
+    if (result == 0) {
+        return SCE_OK;
+    }
+    return SCE_KERNEL_ERROR_EINVAL;
+}
+
+int scePthreadAttrSetschedpolicy(ScePthreadAttr* attr, int policy) {
+
+    if (attr == nullptr || *attr == nullptr) {
+        return SCE_KERNEL_ERROR_EINVAL;
+    }
+
+    if (policy!= SCHED_OTHER)
+    {
+        __debugbreak();//invest if policy is other and if winpthreadlibrary support it
+    }
+
+    (*attr)->policy = policy;
+
+    int result = pthread_attr_setschedpolicy(&(*attr)->pth_attr, policy);
+
+    if (result == 0) {
+        return SCE_OK;
+    }
+    return SCE_KERNEL_ERROR_EINVAL;
+}
+
+};

src/Core/PS4/HLE/Kernel/ThreadManagement.h

@@ -0,0 +1,42 @@
+#pragma once
+#define _TIMESPEC_DEFINED
+
+#include <pthread.h>
+#include <sched.h>
+#include "../../../../types.h"
+#include <string>
+
+namespace HLE::Libs::LibKernel::ThreadManagement {
+
+struct PthreadAttrInternal;
+
+using SceKernelSchedParam  = ::sched_param;
+using ScePthreadAttr = PthreadAttrInternal*;
+
+struct PthreadInternal {
+    u08 reserved[4096];
+    std::string name;
+    pthread_t pth;
+    ScePthreadAttr attr;
+};
+struct PthreadAttrInternal {
+    u08 reserved[64];
+    u64 affinity;
+    size_t guard_size;
+    int policy;
+    bool detached;
+    pthread_attr_t pth_attr;
+};
+
+class PThreadCxt {};
+
+void Pthread_Init_Self_MainThread();
+
+    //HLE FUNCTIONS
+int scePthreadAttrInit(ScePthreadAttr* attr);
+int scePthreadAttrSetdetachstate(ScePthreadAttr* attr, int detachstate);
+int scePthreadAttrSetinheritsched(ScePthreadAttr* attr, int inheritSched);
+int scePthreadAttrSetschedparam(ScePthreadAttr* attr, const SceKernelSchedParam* param);
+int scePthreadAttrSetschedpolicy(ScePthreadAttr* attr, int policy);
+
+}  // namespace HLE::Libs::LibKernel::ThreadManagement

src/Core/PS4/HLE/LibC.cpp

@@ -8,10 +8,7 @@ namespace HLE::Libs::LibC {
 
 	static void init_env() //every game/demo should probably 
 	{
-		for(;;) {
+		//dummy no need atm
-			printf("__debugbreak\n");
-		}
-		//__debugbreak();//if we reach here it will be a great progress :D
 	}
 
 	int __cxa_guard_acquire(u64* guard_object)
@@ -39,7 +36,11 @@ namespace HLE::Libs::LibC {
 
 	}
 	static int atexit(void (*func)())
-	{ return 0;
+	{ 
+		for (;;) {
+            printf("we reached here too!\n");
+        }
+		return 0;
 	}
 
 	void LibC_Register(SymbolsResolver* sym)

src/Core/PS4/Linker.cpp

@@ -5,6 +5,7 @@
 #include "../../Util/StringUtil.h"
 #include "Util/aerolib.h"
 #include "Loader/SymbolsResolver.h"
+#include "HLE/Kernel/ThreadManagement.h"
 
 
 constexpr bool debug_loader = true;
@@ -629,3 +630,26 @@ void Linker::Resolve(const std::string& name, int Symtype, Module* m, SymbolReco
 	}
 
 }
+
+using exit_func_t          = void (*)();
+using entry_func_t           = void (*)(EntryParams* params, exit_func_t atexit_func);
+
+static void ProgramExitFunc() {
+
+    printf("exit function called\n");
+}
+
+static void run_main_entry(u64 addr, EntryParams* params, exit_func_t exit_func) {
+    reinterpret_cast<entry_func_t>(addr)(params, exit_func);
+}
+
+void Linker::Execute()
+{
+    HLE::Libs::LibKernel::ThreadManagement::Pthread_Init_Self_MainThread();
+    EntryParams p{};
+    p.argc = 1;
+    p.argv[0] = "eboot.bin"; //hmm should be ok?
+
+    run_main_entry(m_modules.at(0)->elf->GetElfEntry()+m_modules.at(0)->base_virtual_addr, &p, ProgramExitFunc);
+    
+}

src/Core/PS4/Linker.h

@@ -7,6 +7,12 @@
 struct DynamicModuleInfo;
 class Linker;
 
+struct EntryParams {
+    int argc;
+    u32 padding;
+    const char* argv[3];
+};
+
 /*this struct keeps neccesary info about loaded modules.Main executeable is included too as well*/
 struct Module
 {
@@ -115,8 +121,9 @@ public:
 	SymbolsResolver* getHLESymbols() { return m_HLEsymbols; }
 	void Relocate(Module* m);
     void Resolve(const std::string& name, int Symtype, Module* m, SymbolRecord* return_info);
+    void Execute();
 
-private:
+  private:
 	const ModuleInfo* FindModule(const Module& m, const std::string& id);
 	const LibraryInfo* FindLibrary(const Module& program, const std::string& id);
 

src/main.cpp

@@ -33,17 +33,18 @@
 // Main code
 int main(int argc, char* argv[])
 {
-    if (argc == 1) {
+    /* if (argc == 1) {
         printf("Usage: %s <elf or eboot.bin path>\n", argv[0]);
         return -1;
-    }
+    }*/
 
     logging::init(true);//init logging
-    const char* const path = argv[1]; //argument 1 is the path of self file to boot
+    const char* const path = argv[1];  // argument 1 is the path of self file to boot
     auto* linker = Singleton<Linker>::Instance();
     HLE::Libs::Init_HLE_Libs(linker->getHLESymbols());
     auto *module =linker->LoadModule(path);//load main executable
     
+    linker->Execute();
 #if 0
     // Setup SDL
     if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_TIMER | SDL_INIT_GAMEPAD) != 0)

third-party/CMakeLists.txt

@@ -27,6 +27,8 @@ option(ZYDIS_BUILD_EXAMPLES "" OFF)
 set(zydis_DIR ${CMAKE_CURRENT_SOURCE_DIR}/zydis)
 add_subdirectory(${zydis_DIR})
 
+#========== winpthreads ======================
+add_subdirectory(winpthread)
 #=================== IMGUI ===================
 
 set(IMGUI_DIR ${CMAKE_CURRENT_SOURCE_DIR}/imgui)
@@ -56,6 +58,6 @@ find_package(OpenGL REQUIRED)
 target_link_libraries(IMGUI PUBLIC ${OPENGL_LIBRARIES})
 
 
-target_link_libraries(IMGUI PUBLIC SDL3-shared ${CMAKE_DL_LIBS} Zydis)
+target_link_libraries(IMGUI PUBLIC SDL3-shared ${CMAKE_DL_LIBS} Zydis winpthread)
 
 

third-party/SDL

@@ -1 +1 @@
-Subproject commit 125e7420ecd2b0d1847aef804f53e614fbc68253
+Subproject commit 27556e098ecce54014ed1fc11c1e974ffdf4bc93

third-party/fmt

@@ -1 +1 @@
-Subproject commit de0757b578244e0bf7ac50007fb5e25fcc899c7c
+Subproject commit 661b23edeb52d400cf5812e7330f14f05c072fab

third-party/imgui

@@ -1 +1 @@
-Subproject commit 4fab72b40e2972f5d56fc884ed5797446238844e
+Subproject commit 52125a54a57a458e89bc61502010e964add3cdd5

third-party/magic_enum

@@ -1 +1 @@
-Subproject commit 5018ef9677521983bfedb127901284432d1a05a2
+Subproject commit 4904822db8770d04444add00a9e155568d3e8bd1

third-party/spdlog

@@ -1 +1 @@
-Subproject commit 5a6b6cafa8d4aee3e6d0dd16a2cae9169141c831
+Subproject commit 76dfc7e7c0d3c69d3cdaa3399b63545235ccbb02

third-party/winpthread

@@ -0,0 +1 @@
+Subproject commit 918de958b720c3ba7bc47f4988609c0109a0f75b

third-party/zydis

@@ -1 +1 @@
-Subproject commit d4c37ae7a9db989495eb66636a65d8d4ff69eb35
+Subproject commit a6d0c713b71b5009634868389f0ff551871273d6