Unify panic handling in a single location.
Change-Id: Ia5b0dd7c04b87ba87b190dfdc288fcaf92110091
diff --git a/src/panic.c b/src/panic.c
new file mode 100644
index 0000000..17399dc
--- /dev/null
+++ b/src/panic.c
@@ -0,0 +1,44 @@
+/*
+ * Copyright 2019 The Hafnium 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 "hf/panic.h"
+
+#include <stdarg.h>
+
+#include "hf/dlog.h"
+
+/**
+ * Blocks the hypervisor.
+ *
+ * TODO: Determine if we want to omit strings on non-debug builds.
+ */
+noreturn void panic(const char *fmt, ...)
+{
+ va_list args;
+
+ /* TODO: Block all CPUs. */
+
+ dlog("Panic: ");
+
+ va_start(args, fmt);
+ vdlog(fmt, args);
+ va_end(args);
+
+ dlog("\n");
+
+ for (;;) {
+ }
+}