2 files changed, 20 insertions, 3 deletions

diff --git a/src/core/hle/kernel/address_arbiter.cpp b/src/core/hle/kernel/address_arbiter.cpp
index 62e3460e1..b7434aaf2 100644
--- a/src/core/hle/kernel/address_arbiter.cpp
+++ b/src/core/hle/kernel/address_arbiter.cpp
@@ -29,7 +29,7 @@ public:
 ////////////////////////////////////////////////////////////////////////////////////////////////////
 
 /// Arbitrate an address
-ResultCode ArbitrateAddress(Handle handle, ArbitrationType type, u32 address, s32 value) {
+ResultCode ArbitrateAddress(Handle handle, ArbitrationType type, u32 address, s32 value, u64 nanoseconds) {
     Object* object = Kernel::g_handle_table.GetGeneric(handle).get();
     if (object == nullptr)
         return InvalidHandle(ErrorModule::Kernel);
@@ -55,7 +55,13 @@ ResultCode ArbitrateAddress(Handle handle, ArbitrationType type, u32 address, s3
             HLE::Reschedule(__func__);
         }
         break;
-    
+    case ArbitrationType::WaitIfLessThanWithTimeout:
+        if ((s32)Memory::Read32(address) <= value) {
+            Kernel::WaitCurrentThread(WAITTYPE_ARB, object, address);
+            Kernel::WakeThreadAfterDelay(GetCurrentThread(), nanoseconds);
+            HLE::Reschedule(__func__);
+        }
+        break;
     case ArbitrationType::DecrementAndWaitIfLessThan:
     {
         s32 memory_value = Memory::Read32(address) - 1;
@@ -66,6 +72,17 @@ ResultCode ArbitrateAddress(Handle handle, ArbitrationType type, u32 address, s3
         }
         break;
     }
+    case ArbitrationType::DecrementAndWaitIfLessThanWithTimeout:
+    {
+        s32 memory_value = Memory::Read32(address) - 1;
+        Memory::Write32(address, memory_value);
+        if (memory_value <= value) {
+            Kernel::WaitCurrentThread(WAITTYPE_ARB, object, address);
+            Kernel::WakeThreadAfterDelay(GetCurrentThread(), nanoseconds);
+            HLE::Reschedule(__func__);
+        }
+        break;
+    }
 
     default:
         LOG_ERROR(Kernel, "unknown type=%d", type);
diff --git a/src/core/hle/kernel/address_arbiter.h b/src/core/hle/kernel/address_arbiter.h
index 030e7ad7b..3ffd465a2 100644
--- a/src/core/hle/kernel/address_arbiter.h
+++ b/src/core/hle/kernel/address_arbiter.h
@@ -28,7 +28,7 @@ enum class ArbitrationType : u32 {
 };
 
 /// Arbitrate an address
-ResultCode ArbitrateAddress(Handle handle, ArbitrationType type, u32 address, s32 value);
+ResultCode ArbitrateAddress(Handle handle, ArbitrationType type, u32 address, s32 value, u64 nanoseconds);
 
 /// Create an address arbiter
 Handle CreateAddressArbiter(const std::string& name = "Unknown");