1 files changed, 36 insertions, 17 deletions

diff --git a/src/core/hle/kernel/svc.cpp b/src/core/hle/kernel/svc.cpp
index 2e7c9d094..b8b6b4d49 100644
--- a/src/core/hle/kernel/svc.cpp
+++ b/src/core/hle/kernel/svc.cpp
@@ -736,13 +736,6 @@ static ResultCode SetThreadPriority(Handle handle, u32 priority) {
 
     const auto* const current_process = Core::CurrentProcess();
 
-    // Note: The kernel uses the current process's resource limit instead of
-    // the one from the thread owner's resource limit.
-    const ResourceLimit& resource_limit = current_process->GetResourceLimit();
-    if (resource_limit.GetMaxResourceValue(ResourceType::Priority) > priority) {
-        return ERR_INVALID_THREAD_PRIORITY;
-    }
-
     SharedPtr<Thread> thread = current_process->GetHandleTable().Get<Thread>(handle);
     if (!thread) {
         return ERR_INVALID_HANDLE;
@@ -796,7 +789,7 @@ static ResultCode MapSharedMemory(Handle shared_memory_handle, VAddr addr, u64 s
         return ERR_INVALID_MEMORY_RANGE;
     }
 
-    return shared_memory->Map(current_process, addr, permissions_type, MemoryPermission::DontCare);
+    return shared_memory->Map(*current_process, addr, permissions_type, MemoryPermission::DontCare);
 }
 
 static ResultCode UnmapSharedMemory(Handle shared_memory_handle, VAddr addr, u64 size) {
@@ -826,7 +819,7 @@ static ResultCode UnmapSharedMemory(Handle shared_memory_handle, VAddr addr, u64
         return ERR_INVALID_MEMORY_RANGE;
     }
 
-    return shared_memory->Unmap(current_process, addr);
+    return shared_memory->Unmap(*current_process, addr);
 }
 
 /// Query process memory
@@ -885,10 +878,6 @@ static ResultCode CreateThread(Handle* out_handle, VAddr entry_point, u64 arg, V
     }
 
     auto* const current_process = Core::CurrentProcess();
-    const ResourceLimit& resource_limit = current_process->GetResourceLimit();
-    if (resource_limit.GetMaxResourceValue(ResourceType::Priority) > priority) {
-        return ERR_INVALID_THREAD_PRIORITY;
-    }
 
     if (processor_id == THREADPROCESSORID_DEFAULT) {
         // Set the target CPU to the one specified in the process' exheader.
@@ -1181,7 +1170,7 @@ static ResultCode CloseHandle(Handle handle) {
 
 /// Reset an event
 static ResultCode ResetSignal(Handle handle) {
-    LOG_WARNING(Kernel_SVC, "(STUBBED) called handle 0x{:08X}", handle);
+    LOG_DEBUG(Kernel_SVC, "called handle 0x{:08X}", handle);
 
     const auto& handle_table = Core::CurrentProcess()->GetHandleTable();
     auto event = handle_table.Get<Event>(handle);
@@ -1194,9 +1183,39 @@ static ResultCode ResetSignal(Handle handle) {
 
 /// Creates a TransferMemory object
 static ResultCode CreateTransferMemory(Handle* handle, VAddr addr, u64 size, u32 permissions) {
-    LOG_WARNING(Kernel_SVC, "(STUBBED) called addr=0x{:X}, size=0x{:X}, perms=0x{:08X}", addr, size,
-                permissions);
-    *handle = 0;
+    LOG_DEBUG(Kernel_SVC, "called addr=0x{:X}, size=0x{:X}, perms=0x{:08X}", addr, size,
+              permissions);
+
+    if (!Common::Is4KBAligned(addr)) {
+        LOG_ERROR(Kernel_SVC, "Address ({:016X}) is not page aligned!", addr);
+        return ERR_INVALID_ADDRESS;
+    }
+
+    if (!Common::Is4KBAligned(size) || size == 0) {
+        LOG_ERROR(Kernel_SVC, "Size ({:016X}) is not page aligned or equal to zero!", size);
+        return ERR_INVALID_ADDRESS;
+    }
+
+    if (!IsValidAddressRange(addr, size)) {
+        LOG_ERROR(Kernel_SVC, "Address and size cause overflow! (address={:016X}, size={:016X})",
+                  addr, size);
+        return ERR_INVALID_ADDRESS_STATE;
+    }
+
+    const auto perms = static_cast<MemoryPermission>(permissions);
+    if (perms != MemoryPermission::None && perms != MemoryPermission::Read &&
+        perms != MemoryPermission::ReadWrite) {
+        LOG_ERROR(Kernel_SVC, "Invalid memory permissions for transfer memory! (perms={:08X})",
+                  permissions);
+        return ERR_INVALID_MEMORY_PERMISSIONS;
+    }
+
+    auto& kernel = Core::System::GetInstance().Kernel();
+    auto& handle_table = Core::CurrentProcess()->GetHandleTable();
+    const auto shared_mem_handle = SharedMemory::Create(
+        kernel, handle_table.Get<Process>(CurrentProcess), size, perms, perms, addr);
+
+    CASCADE_RESULT(*handle, handle_table.Create(shared_mem_handle));
     return RESULT_SUCCESS;
 }