diff --git a/src/tools/gensyscalls/arch/mipsel/arch_gensyscalls.h b/src/tools/gensyscalls/arch/mipsel/arch_gensyscalls.h
new file mode 100644
index 0000000000..cd6707b8a2
--- /dev/null
+++ b/src/tools/gensyscalls/arch/mipsel/arch_gensyscalls.h
@@ -0,0 +1,51 @@
+// Included by gensyscalls.
+
+typedef int AlignmentType;
+static const char* kAlignmentType = "int";
+static const int kAlignment = sizeof(AlignmentType);
+
+// ReturnTypeCreator
+template<typename T>
+class ReturnTypeCreator {
+public:
+	static void Create(Syscall* syscall, const char* name)
+	{
+		int size = sizeof(T);
+		int usedSize = align_to_type<AlignmentType>(size);
+		const char* alignmentType
+			= (size != usedSize && size < kAlignment ? kAlignmentType : 0);
+
+		syscall->SetReturnType(name, size, usedSize, alignmentType);
+	}
+};
+
+template<>
+class ReturnTypeCreator<void> {
+public:
+	static void Create(Syscall* syscall, const char* name)
+	{
+		syscall->SetReturnType(name, 0, 0, 0);
+	}
+};
+
+// ParameterCreator
+template<typename T>
+class ParameterCreator {
+public:
+	static void Create(Syscall* syscall, const char* typeName,
+		const char* parameterName)
+	{
+		// compute offset
+		int offset = 0;
+		if (Parameter* previous = syscall->LastParameter())
+			offset = previous->Offset() + previous->UsedSize();
+
+		int size = sizeof(T);
+		int usedSize = align_to_type<AlignmentType>(size);
+		const char* alignmentType
+			= (size != usedSize && size < kAlignment ? kAlignmentType : 0);
+
+		syscall->AddParameter(typeName, parameterName, size, usedSize, offset,
+			alignmentType);
+	}
+};