rialto: Initial commit

Clone of ./vmbase/example with basic setup code.

Test: atest rialto_test
Change-Id: Id3d4e96674c261316e79c020ff0b1bd88f4363ba
diff --git a/rialto/image.ld b/rialto/image.ld
new file mode 100644
index 0000000..368acbb
--- /dev/null
+++ b/rialto/image.ld
@@ -0,0 +1,22 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+MEMORY
+{
+	dtb_region	: ORIGIN = 0x80000000, LENGTH = 2M
+	image		: ORIGIN = 0x80200000, LENGTH = 2M
+	writable_data	: ORIGIN = 0x80400000, LENGTH = 2M
+}