4 files changed, 26 insertions, 22 deletions

diff --git a/src/core/hle/kernel/hle_ipc.h b/src/core/hle/kernel/hle_ipc.h
index b31673928..f3277b766 100644
--- a/src/core/hle/kernel/hle_ipc.h
+++ b/src/core/hle/kernel/hle_ipc.h
@@ -13,6 +13,7 @@
 #include <vector>
 #include <boost/container/small_vector.hpp>
 #include "common/common_types.h"
+#include "common/concepts.h"
 #include "common/swap.h"
 #include "core/hle/ipc.h"
 #include "core/hle/kernel/object.h"
@@ -193,23 +194,24 @@ public:
 
     /* Helper function to write a buffer using the appropriate buffer descriptor
      *
-     * @tparam ContiguousContainer an arbitrary container that satisfies the
-     *         ContiguousContainer concept in the C++ standard library.
+     * @tparam T an arbitrary container that satisfies the
+     *         ContiguousContainer concept in the C++ standard library or a trivially copyable type.
      *
-     * @param container    The container to write the data of into a buffer.
+     * @param data         The container/data to write into a buffer.
      * @param buffer_index The buffer in particular to write to.
      */
-    template <typename ContiguousContainer,
-              typename = std::enable_if_t<!std::is_pointer_v<ContiguousContainer>>>
-    std::size_t WriteBuffer(const ContiguousContainer& container,
-                            std::size_t buffer_index = 0) const {
-        using ContiguousType = typename ContiguousContainer::value_type;
-
-        static_assert(std::is_trivially_copyable_v<ContiguousType>,
-                      "Container to WriteBuffer must contain trivially copyable objects");
-
-        return WriteBuffer(std::data(container), std::size(container) * sizeof(ContiguousType),
-                           buffer_index);
+    template <typename T, typename = std::enable_if_t<!std::is_pointer_v<T>>>
+    std::size_t WriteBuffer(const T& data, std::size_t buffer_index = 0) const {
+        if constexpr (Common::IsSTLContainer<T>) {
+            using ContiguousType = typename T::value_type;
+            static_assert(std::is_trivially_copyable_v<ContiguousType>,
+                          "Container to WriteBuffer must contain trivially copyable objects");
+            return WriteBuffer(std::data(data), std::size(data) * sizeof(ContiguousType),
+                               buffer_index);
+        } else {
+            static_assert(std::is_trivially_copyable_v<T>, "T must be trivially copyable");
+            return WriteBuffer(&data, sizeof(T), buffer_index);
+        }
     }
 
     /// Helper function to get the size of the input buffer
diff --git a/src/core/hle/kernel/kernel.cpp b/src/core/hle/kernel/kernel.cpp
index 8dd4a2637..cabe8d418 100644
--- a/src/core/hle/kernel/kernel.cpp
+++ b/src/core/hle/kernel/kernel.cpp
@@ -145,7 +145,7 @@ struct KernelCore::Impl {
 
     void InitializePreemption(KernelCore& kernel) {
         preemption_event = Core::Timing::CreateEvent(
-            "PreemptionCallback", [this, &kernel](u64, std::chrono::nanoseconds) {
+            "PreemptionCallback", [this, &kernel](std::uintptr_t, std::chrono::nanoseconds) {
                 {
                     SchedulerLock lock(kernel);
                     global_scheduler.PreemptThreads();
diff --git a/src/core/hle/kernel/server_session.cpp b/src/core/hle/kernel/server_session.cpp
index af22f4c33..7e6391c6c 100644
--- a/src/core/hle/kernel/server_session.cpp
+++ b/src/core/hle/kernel/server_session.cpp
@@ -33,8 +33,10 @@ ResultVal<std::shared_ptr<ServerSession>> ServerSession::Create(KernelCore& kern
                                                                 std::string name) {
     std::shared_ptr<ServerSession> session{std::make_shared<ServerSession>(kernel)};
 
-    session->request_event = Core::Timing::CreateEvent(
-        name, [session](u64, std::chrono::nanoseconds) { session->CompleteSyncRequest(); });
+    session->request_event =
+        Core::Timing::CreateEvent(name, [session](std::uintptr_t, std::chrono::nanoseconds) {
+            session->CompleteSyncRequest();
+        });
     session->name = std::move(name);
     session->parent = std::move(parent);
 
diff --git a/src/core/hle/kernel/time_manager.cpp b/src/core/hle/kernel/time_manager.cpp
index 88b01b751..95f2446c9 100644
--- a/src/core/hle/kernel/time_manager.cpp
+++ b/src/core/hle/kernel/time_manager.cpp
@@ -16,14 +16,14 @@ namespace Kernel {
 
 TimeManager::TimeManager(Core::System& system_) : system{system_} {
     time_manager_event_type = Core::Timing::CreateEvent(
-        "Kernel::TimeManagerCallback", [this](u64 thread_handle, std::chrono::nanoseconds) {
-            SchedulerLock lock(system.Kernel());
-            Handle proper_handle = static_cast<Handle>(thread_handle);
+        "Kernel::TimeManagerCallback",
+        [this](std::uintptr_t thread_handle, std::chrono::nanoseconds) {
+            const SchedulerLock lock(system.Kernel());
+            const auto proper_handle = static_cast<Handle>(thread_handle);
             if (cancelled_events[proper_handle]) {
                 return;
             }
-            std::shared_ptr<Thread> thread =
-                this->system.Kernel().RetrieveThreadFromGlobalHandleTable(proper_handle);
+            auto thread = this->system.Kernel().RetrieveThreadFromGlobalHandleTable(proper_handle);
             thread->OnWakeUp();
         });
 }