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+/*
+ * Machine abstraction functions
+ * Copyright (C) 2008 Free Software Foundation, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ * Author: Barry deFreese.
+ */
+/*
+ * Machine abstraction functions.
+ *
+ */
+
+#ifndef _MACHINE_H_
+#define _MACHINE_H_
+
+#include <mach/std_types.h>
+
+/*
+ * cpu_up:
+ *
+ * Flag specified cpu as up and running. Called when a processor comes
+ * online.
+ */
+extern void cpu_up (int);
+
+/*
+ * processor_assign() changes the processor set that a processor is
+ * assigned to. Any previous assignment in progress is overridden.
+ * Synchronizes with assignment completion if wait is TRUE.
+ */
+extern kern_return_t processor_assign (processor_t, processor_set_t, boolean_t);
+
+/*
+ * processor_shutdown() queues a processor up for shutdown.
+ * Any assignment in progress is overriden. It does not synchronize
+ * with the shutdown (can be called from interrupt level).
+ */
+extern kern_return_t processor_shutdown (processor_t);
+
+/*
+ * action_thread() shuts down processors or changes their assignment.
+ */
+extern void action_thread_continue (void);
+
+#endif /* _MACHINE_H_ */