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-rw-r--r--arch/riscv/kernel/reset.c38
1 files changed, 38 insertions, 0 deletions
diff --git a/arch/riscv/kernel/reset.c b/arch/riscv/kernel/reset.c
new file mode 100644
index 000000000..9c842c416
--- /dev/null
+++ b/arch/riscv/kernel/reset.c
@@ -0,0 +1,38 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (C) 2012 Regents of the University of California
+ */
+
+#include <linux/reboot.h>
+#include <linux/pm.h>
+
+static void default_power_off(void)
+{
+ while (1)
+ wait_for_interrupt();
+}
+
+void (*pm_power_off)(void) = NULL;
+EXPORT_SYMBOL(pm_power_off);
+
+void machine_restart(char *cmd)
+{
+ do_kernel_restart(cmd);
+ while (1);
+}
+
+void machine_halt(void)
+{
+ if (pm_power_off != NULL)
+ pm_power_off();
+ else
+ default_power_off();
+}
+
+void machine_power_off(void)
+{
+ if (pm_power_off != NULL)
+ pm_power_off();
+ else
+ default_power_off();
+}