1 files changed, 37 insertions, 0 deletions
diff --git a/targets/apollo4/boot.cc b/targets/apollo4/boot.cc
new file mode 100644
index 000000000..5072f692d
--- /dev/null
+++ b/targets/apollo4/boot.cc
@@ -0,0 +1,37 @@
+// Copyright 2023 The Pigweed Authors
+//
+// 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.
+
+#include "pw_boot_cortex_m/boot.h"
+
+#include "pw_malloc/malloc.h"
+#include "pw_sys_io_ambiq_sdk/init.h"
+
+PW_EXTERN_C void pw_boot_PreStaticMemoryInit() {}
+
+PW_EXTERN_C void pw_boot_PreStaticConstructorInit() {
+  if constexpr (PW_MALLOC_ACTIVE == 1) {
+    pw_MallocInit(&pw_boot_heap_low_addr, &pw_boot_heap_high_addr);
+  }
+
+  pw_sys_io_Init();
+}
+
+PW_EXTERN_C void pw_boot_PreMainInit() {}
+
+PW_EXTERN_C PW_NO_RETURN void pw_boot_PostMain() {
+  // In case main() returns, just sit here until the device is reset.
+  while (true) {
+  }
+  PW_UNREACHABLE;
+}