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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
commit57f0f512b273f60d52568b8c6b77e17f5636edc0 (patch)
tree5e910f0e82173f4ef4f51111366a3f1299037a7b /arch/sparc/kernel/reboot.c
Initial import
Diffstat (limited to 'arch/sparc/kernel/reboot.c')
-rw-r--r--arch/sparc/kernel/reboot.c53
1 files changed, 53 insertions, 0 deletions
diff --git a/arch/sparc/kernel/reboot.c b/arch/sparc/kernel/reboot.c
new file mode 100644
index 000000000..eba7d9181
--- /dev/null
+++ b/arch/sparc/kernel/reboot.c
@@ -0,0 +1,53 @@
+/* reboot.c: reboot/shutdown/halt/poweroff handling
+ *
+ * Copyright (C) 2008 David S. Miller <davem@davemloft.net>
+ */
+#include <linux/kernel.h>
+#include <linux/reboot.h>
+#include <linux/export.h>
+#include <linux/pm.h>
+
+#include <asm/oplib.h>
+#include <asm/prom.h>
+#include <asm/setup.h>
+
+/* sysctl - toggle power-off restriction for serial console
+ * systems in machine_power_off()
+ */
+int scons_pwroff = 1;
+
+/* This isn't actually used, it exists merely to satisfy the
+ * reference in kernel/sys.c
+ */
+void (*pm_power_off)(void) = machine_power_off;
+EXPORT_SYMBOL(pm_power_off);
+
+void machine_power_off(void)
+{
+ if (strcmp(of_console_device->type, "serial") || scons_pwroff)
+ prom_halt_power_off();
+
+ prom_halt();
+}
+
+void machine_halt(void)
+{
+ prom_halt();
+ panic("Halt failed!");
+}
+
+void machine_restart(char *cmd)
+{
+ char *p;
+
+ p = strchr(reboot_command, '\n');
+ if (p)
+ *p = 0;
+ if (cmd)
+ prom_reboot(cmd);
+ if (*reboot_command)
+ prom_reboot(reboot_command);
+ prom_reboot("");
+ panic("Reboot failed!");
+}
+