7 files changed, 23 insertions, 16 deletions
diff --git a/src/core/hle/kernel/thread.cpp b/src/core/hle/kernel/thread.cpp
index 4ffb76818..63f8923fd 100644
--- a/src/core/hle/kernel/thread.cpp
+++ b/src/core/hle/kernel/thread.cpp
@@ -158,6 +158,9 @@ static void ResetThreadContext(Core::ARM_Interface::ThreadContext& context, VAdd
     context.cpu_registers[0] = arg;
     context.pc = entry_point;
     context.sp = stack_top;
+    // TODO(merry): Perform a hardware test to determine the below value.
+    // AHP = 0, DN = 1, FTZ = 1, RMode = Round towards zero
+    context.fpcr = 0x03C00000;
 }
 
 ResultVal<SharedPtr<Thread>> Thread::Create(KernelCore& kernel, std::string name, VAddr entry_point,
diff --git a/src/core/hle/service/am/am.cpp b/src/core/hle/service/am/am.cpp
index 3a7b6da84..f83730cd6 100644
--- a/src/core/hle/service/am/am.cpp
+++ b/src/core/hle/service/am/am.cpp
@@ -565,7 +565,6 @@ private:
     void GetAppletStateChangedEvent(Kernel::HLERequestContext& ctx) {
         LOG_DEBUG(Service_AM, "called");
 
-        applet->GetBroker().SignalStateChanged();
         const auto event = applet->GetBroker().GetStateChangedEvent();
 
         IPC::ResponseBuilder rb{ctx, 2, 1};
diff --git a/src/core/hle/service/am/applets/applets.cpp b/src/core/hle/service/am/applets/applets.cpp
index 47da35537..7698ca819 100644
--- a/src/core/hle/service/am/applets/applets.cpp
+++ b/src/core/hle/service/am/applets/applets.cpp
@@ -16,11 +16,11 @@ namespace Service::AM::Applets {
 AppletDataBroker::AppletDataBroker() {
     auto& kernel = Core::System::GetInstance().Kernel();
     state_changed_event = Kernel::WritableEvent::CreateEventPair(
-        kernel, Kernel::ResetType::OneShot, "ILibraryAppletAccessor:StateChangedEvent");
+        kernel, Kernel::ResetType::Sticky, "ILibraryAppletAccessor:StateChangedEvent");
     pop_out_data_event = Kernel::WritableEvent::CreateEventPair(
-        kernel, Kernel::ResetType::OneShot, "ILibraryAppletAccessor:PopDataOutEvent");
+        kernel, Kernel::ResetType::Sticky, "ILibraryAppletAccessor:PopDataOutEvent");
     pop_interactive_out_data_event = Kernel::WritableEvent::CreateEventPair(
-        kernel, Kernel::ResetType::OneShot, "ILibraryAppletAccessor:PopInteractiveDataOutEvent");
+        kernel, Kernel::ResetType::Sticky, "ILibraryAppletAccessor:PopInteractiveDataOutEvent");
 }
 
 AppletDataBroker::~AppletDataBroker() = default;
diff --git a/src/core/hle/service/am/applets/software_keyboard.cpp b/src/core/hle/service/am/applets/software_keyboard.cpp
index 981bdec51..f255f74b5 100644
--- a/src/core/hle/service/am/applets/software_keyboard.cpp
+++ b/src/core/hle/service/am/applets/software_keyboard.cpp
@@ -146,11 +146,10 @@ void SoftwareKeyboard::WriteText(std::optional<std::u16string> text) {
 
         if (complete) {
             broker.PushNormalDataFromApplet(IStorage{output_main});
+            broker.SignalStateChanged();
         } else {
             broker.PushInteractiveDataFromApplet(IStorage{output_sub});
         }
-
-        broker.SignalStateChanged();
     } else {
         output_main[0] = 1;
         complete = true;
diff --git a/src/core/hle/service/nvdrv/devices/nvhost_gpu.cpp b/src/core/hle/service/nvdrv/devices/nvhost_gpu.cpp
index 3bfce0110..0a650f36c 100644
--- a/src/core/hle/service/nvdrv/devices/nvhost_gpu.cpp
+++ b/src/core/hle/service/nvdrv/devices/nvhost_gpu.cpp
@@ -137,6 +137,10 @@ u32 nvhost_gpu::AllocateObjectContext(const std::vector<u8>& input, std::vector<
 }
 
 static void PushGPUEntries(Tegra::CommandList&& entries) {
+    if (entries.empty()) {
+        return;
+    }
+
     auto& dma_pusher{Core::System::GetInstance().GPU().DmaPusher()};
     dma_pusher.Push(std::move(entries));
     dma_pusher.DispatchCalls();
diff --git a/src/core/hle/service/service.cpp b/src/core/hle/service/service.cpp
index d41df3732..d25b80ab0 100644
--- a/src/core/hle/service/service.cpp
+++ b/src/core/hle/service/service.cpp
@@ -97,29 +97,33 @@ ServiceFrameworkBase::ServiceFrameworkBase(const char* service_name, u32 max_ses
 ServiceFrameworkBase::~ServiceFrameworkBase() = default;
 
 void ServiceFrameworkBase::InstallAsService(SM::ServiceManager& service_manager) {
-    ASSERT(port == nullptr);
-    port = service_manager.RegisterService(service_name, max_sessions).Unwrap();
+    ASSERT(!port_installed);
+
+    auto port = service_manager.RegisterService(service_name, max_sessions).Unwrap();
     port->SetHleHandler(shared_from_this());
+    port_installed = true;
 }
 
 void ServiceFrameworkBase::InstallAsNamedPort() {
-    ASSERT(port == nullptr);
+    ASSERT(!port_installed);
 
     auto& kernel = Core::System::GetInstance().Kernel();
     auto [server_port, client_port] =
         Kernel::ServerPort::CreatePortPair(kernel, max_sessions, service_name);
     server_port->SetHleHandler(shared_from_this());
     kernel.AddNamedPort(service_name, std::move(client_port));
+    port_installed = true;
 }
 
 Kernel::SharedPtr<Kernel::ClientPort> ServiceFrameworkBase::CreatePort() {
-    ASSERT(port == nullptr);
+    ASSERT(!port_installed);
 
     auto& kernel = Core::System::GetInstance().Kernel();
     auto [server_port, client_port] =
         Kernel::ServerPort::CreatePortPair(kernel, max_sessions, service_name);
-    port = MakeResult(std::move(server_port)).Unwrap();
+    auto port = MakeResult(std::move(server_port)).Unwrap();
     port->SetHleHandler(shared_from_this());
+    port_installed = true;
     return client_port;
 }
 
diff --git a/src/core/hle/service/service.h b/src/core/hle/service/service.h
index 98483ecf1..029533628 100644
--- a/src/core/hle/service/service.h
+++ b/src/core/hle/service/service.h
@@ -96,11 +96,9 @@ private:
     /// Maximum number of concurrent sessions that this service can handle.
     u32 max_sessions;
 
-    /**
-     * Port where incoming connections will be received. Only created when InstallAsService() or
-     * InstallAsNamedPort() are called.
-     */
-    Kernel::SharedPtr<Kernel::ServerPort> port;
+    /// Flag to store if a port was already create/installed to detect multiple install attempts,
+    /// which is not supported.
+    bool port_installed = false;
 
     /// Function used to safely up-cast pointers to the derived class before invoking a handler.
     InvokerFn* handler_invoker;