Best-guess process info block.

src/xenia/kernel/kernel_state.cc

@@ -48,7 +48,8 @@ KernelState::KernelState(Emulator* emulator)
       memory_(emulator->memory()),
       object_table_(nullptr),
       has_notified_startup_(false),
-      process_type_(X_PROCTYPE_USER) {
+      process_type_(X_PROCTYPE_USER),
+      process_info_block_address_(0) {
   processor_ = emulator->processor();
   file_system_ = emulator->file_system();
 
@@ -66,12 +67,29 @@ KernelState::KernelState(Emulator* emulator)
   assert_null(shared_kernel_state_);
   shared_kernel_state_ = this;
 
+  process_info_block_address_ = memory_->SystemHeapAlloc(0x60);
+  auto pib =
+      memory_->TranslateVirtual<ProcessInfoBlock*>(process_info_block_address_);
+  // TODO(benvanik): figure out what this list is.
+  pib->unk_04 = pib->unk_08 = 0;
+  pib->unk_0C = 0x0000007F;
+  pib->unk_10 = 0x001F0000;
+  pib->thread_count = 0;
+  pib->unk_1B = 0x06;
+  pib->kernel_stack_size = 16 * 1024;
+  // TODO(benvanik): figure out what this list is.
+  pib->unk_54 = pib->unk_58 = 0;
+
   apps::RegisterApps(this, app_manager_.get());
 }
 
 KernelState::~KernelState() {
   SetExecutableModule(nullptr);
 
+  if (process_info_block_address_) {
+    memory_->SystemHeapFree(process_info_block_address_);
+  }
+
   executable_module_.reset();
   user_modules_.clear();
   kernel_modules_.clear();
@@ -95,6 +113,18 @@ uint32_t KernelState::title_id() const {
   return executable_module_->xex_header()->execution_info.title_id;
 }
 
+uint32_t KernelState::process_type() const {
+  auto pib =
+      memory_->TranslateVirtual<ProcessInfoBlock*>(process_info_block_address_);
+  return pib->process_type;
+}
+
+void KernelState::set_process_type(uint32_t value) {
+  auto pib =
+      memory_->TranslateVirtual<ProcessInfoBlock*>(process_info_block_address_);
+  pib->process_type = uint8_t(value);
+}
+
 void KernelState::RegisterModule(XModule* module) {}
 
 void KernelState::UnregisterModule(XModule* module) {}
@@ -148,6 +178,15 @@ void KernelState::SetExecutableModule(object_ref<XUserModule> module) {
     return;
   }
   executable_module_ = std::move(module);
+
+  auto header = executable_module_->xex_header();
+  if (header) {
+    auto pib = memory_->TranslateVirtual<ProcessInfoBlock*>(
+        process_info_block_address_);
+    pib->tls_data_size = header->tls_info.data_size;
+    pib->tls_raw_data_size = header->tls_info.raw_data_size;
+    pib->tls_slot_size = header->tls_info.slot_count * 4;
+  }
 }
 
 void KernelState::LoadKernelModule(object_ref<XKernelModule> kernel_module) {
@@ -209,6 +248,10 @@ object_ref<XUserModule> KernelState::LoadUserModule(const char* raw_name) {
 void KernelState::RegisterThread(XThread* thread) {
   std::lock_guard<xe::recursive_mutex> lock(object_mutex_);
   threads_by_id_[thread->thread_id()] = thread;
+
+  auto pib =
+      memory_->TranslateVirtual<ProcessInfoBlock*>(process_info_block_address_);
+  pib->thread_count = pib->thread_count + 1;
 }
 
 void KernelState::UnregisterThread(XThread* thread) {
@@ -217,6 +260,10 @@ void KernelState::UnregisterThread(XThread* thread) {
   if (it != threads_by_id_.end()) {
     threads_by_id_.erase(it);
   }
+
+  auto pib =
+      memory_->TranslateVirtual<ProcessInfoBlock*>(process_info_block_address_);
+  pib->thread_count = pib->thread_count - 1;
 }
 
 void KernelState::OnThreadExecute(XThread* thread) {

src/xenia/kernel/kernel_state.h

@@ -44,6 +44,31 @@ class XNotifyListener;
 class XThread;
 class XUserModule;
 
+struct ProcessInfoBlock {
+  xe::be<uint32_t> unk_00;
+  xe::be<uint32_t> unk_04;  // blink
+  xe::be<uint32_t> unk_08;  // flink
+  xe::be<uint32_t> unk_0C;
+  xe::be<uint32_t> unk_10;
+  xe::be<uint32_t> thread_count;
+  xe::be<uint8_t> unk_18;
+  xe::be<uint8_t> unk_19;
+  xe::be<uint8_t> unk_1A;
+  xe::be<uint8_t> unk_1B;
+  xe::be<uint32_t> kernel_stack_size;
+  xe::be<uint32_t> unk_20;
+  xe::be<uint32_t> tls_data_size;
+  xe::be<uint32_t> tls_raw_data_size;
+  xe::be<uint16_t> tls_slot_size;
+  xe::be<uint8_t> unk_2E;
+  xe::be<uint8_t> process_type;
+  xe::be<uint32_t> bitmap[0x20 / 4];
+  xe::be<uint32_t> unk_50;
+  xe::be<uint32_t> unk_54;  // blink
+  xe::be<uint32_t> unk_58;  // flink
+  xe::be<uint32_t> unk_5C;
+};
+
 class KernelState {
  public:
   KernelState(Emulator* emulator);
@@ -67,8 +92,11 @@ class KernelState {
   ObjectTable* object_table() const { return object_table_; }
   xe::recursive_mutex& object_mutex() { return object_mutex_; }
 
-  uint32_t process_type() const { return process_type_; }
-  void set_process_type(uint32_t value) { process_type_ = value; }
+  uint32_t process_type() const;
+  void set_process_type(uint32_t value);
+  uint32_t process_info_block_address() const {
+    return process_info_block_address_;
+  }
 
   void RegisterModule(XModule* module);
   void UnregisterModule(XModule* module);
@@ -126,6 +154,8 @@ class KernelState {
   std::vector<object_ref<XKernelModule>> kernel_modules_;
   std::vector<object_ref<XUserModule>> user_modules_;
 
+  uint32_t process_info_block_address_;
+
   friend class XObject;
 };
 

src/xenia/kernel/objects/xthread.cc

@@ -253,6 +253,8 @@ X_STATUS XThread::Create() {
   xe::store_and_swap<uint32_t>(p + 0x078, thread_state_address_ + 0x074);
   xe::store_and_swap<uint32_t>(p + 0x07C, thread_state_address_ + 0x07C);
   xe::store_and_swap<uint32_t>(p + 0x080, thread_state_address_ + 0x07C);
+  xe::store_and_swap<uint32_t>(p + 0x084,
+                               kernel_state_->process_info_block_address());
   xe::store_and_swap<uint8_t>(p + 0x08B, 1);
   // D4 = APC
   // FC = semaphore (ptr, 0, 2)