1 files changed, 71 insertions, 0 deletions

diff --git a/src/core/hle/service/am/lock_accessor.cpp b/src/core/hle/service/am/lock_accessor.cpp
new file mode 100644
index 000000000..d0bd8d95e
--- /dev/null
+++ b/src/core/hle/service/am/lock_accessor.cpp
@@ -0,0 +1,71 @@
+// SPDX-FileCopyrightText: Copyright 2024 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include "core/hle/service/am/lock_accessor.h"
+#include "core/hle/service/ipc_helpers.h"
+
+namespace Service::AM {
+
+ILockAccessor::ILockAccessor(Core::System& system_)
+    : ServiceFramework{system_, "ILockAccessor"}, service_context{system_, "ILockAccessor"} {
+    // clang-format off
+        static const FunctionInfo functions[] = {
+            {1, &ILockAccessor::TryLock, "TryLock"},
+            {2, &ILockAccessor::Unlock, "Unlock"},
+            {3, &ILockAccessor::GetEvent, "GetEvent"},
+            {4,&ILockAccessor::IsLocked, "IsLocked"},
+        };
+    // clang-format on
+
+    RegisterHandlers(functions);
+
+    lock_event = service_context.CreateEvent("ILockAccessor::LockEvent");
+}
+
+ILockAccessor::~ILockAccessor() {
+    service_context.CloseEvent(lock_event);
+};
+
+void ILockAccessor::TryLock(HLERequestContext& ctx) {
+    IPC::RequestParser rp{ctx};
+    const auto return_handle = rp.Pop<bool>();
+
+    LOG_WARNING(Service_AM, "(STUBBED) called, return_handle={}", return_handle);
+
+    // TODO: When return_handle is true this function should return the lock handle
+
+    is_locked = true;
+
+    IPC::ResponseBuilder rb{ctx, 3};
+    rb.Push(ResultSuccess);
+    rb.Push<u8>(is_locked);
+}
+
+void ILockAccessor::Unlock(HLERequestContext& ctx) {
+    LOG_INFO(Service_AM, "called");
+
+    is_locked = false;
+
+    IPC::ResponseBuilder rb{ctx, 2};
+    rb.Push(ResultSuccess);
+}
+
+void ILockAccessor::GetEvent(HLERequestContext& ctx) {
+    LOG_INFO(Service_AM, "called");
+
+    lock_event->Signal();
+
+    IPC::ResponseBuilder rb{ctx, 2, 1};
+    rb.Push(ResultSuccess);
+    rb.PushCopyObjects(lock_event->GetReadableEvent());
+}
+
+void ILockAccessor::IsLocked(HLERequestContext& ctx) {
+    LOG_INFO(Service_AM, "called");
+
+    IPC::ResponseBuilder rb{ctx, 2};
+    rb.Push(ResultSuccess);
+    rb.Push<u8>(is_locked);
+}
+
+} // namespace Service::AM