Add the rt linux 4.1.3-rt3 as base
[kvmfornfv.git] / kernel / arch / mips / kernel / reset.c
diff --git a/kernel/arch/mips/kernel/reset.c b/kernel/arch/mips/kernel/reset.c
new file mode 100644 (file)
index 0000000..7c746d3
--- /dev/null
@@ -0,0 +1,69 @@
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 2001, 06 by Ralf Baechle (ralf@linux-mips.org)
+ * Copyright (C) 2001 MIPS Technologies, Inc.
+ */
+#include <linux/kernel.h>
+#include <linux/export.h>
+#include <linux/pm.h>
+#include <linux/types.h>
+#include <linux/reboot.h>
+#include <linux/delay.h>
+
+#include <asm/reboot.h>
+
+/*
+ * Urgs ...  Too many MIPS machines to handle this in a generic way.
+ * So handle all using function pointers to machine specific
+ * functions.
+ */
+void (*_machine_restart)(char *command);
+void (*_machine_halt)(void);
+void (*pm_power_off)(void);
+
+EXPORT_SYMBOL(pm_power_off);
+
+void machine_restart(char *command)
+{
+       if (_machine_restart)
+               _machine_restart(command);
+
+#ifdef CONFIG_SMP
+       preempt_disable();
+       smp_send_stop();
+#endif
+       do_kernel_restart(command);
+       mdelay(1000);
+       pr_emerg("Reboot failed -- System halted\n");
+       local_irq_disable();
+       while (1);
+}
+
+void machine_halt(void)
+{
+       if (_machine_halt)
+               _machine_halt();
+
+#ifdef CONFIG_SMP
+       preempt_disable();
+       smp_send_stop();
+#endif
+       local_irq_disable();
+       while (1);
+}
+
+void machine_power_off(void)
+{
+       if (pm_power_off)
+               pm_power_off();
+
+#ifdef CONFIG_SMP
+       preempt_disable();
+       smp_send_stop();
+#endif
+       local_irq_disable();
+       while (1);
+}