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-rw-r--r--arch/arm64/kernel/halt.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/arch/arm64/kernel/halt.c b/arch/arm64/kernel/halt.c
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+++ b/arch/arm64/kernel/halt.c
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+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * halt.c - stop the core, the ARM ARM's WFI loop. nothing recovers
+ * from a halt, the machine needs a reset.
+ *
+ * Copyright (C) 2026 Bradley Morgan <brads@mainlining.org>
+ */
+
+#include <debug.h>
+
+void platform_halt(void)
+{
+ dprintf(ALWAYS, "HALT: spinning forever...\n");
+
+ for (;;) {
+ asm volatile("wfi");
+ }
+}