init gnumach copy

1 files changed, 57 insertions, 0 deletions

diff --git a/kern/syscall_sw.h b/kern/syscall_sw.h
new file mode 100644
index 0000000..9e76fc6
--- /dev/null
+++ b/kern/syscall_sw.h
@@ -0,0 +1,57 @@
+/*
+ * Mach Operating System
+ * Copyright (c) 1991,1990,1989,1988,1987 Carnegie Mellon University
+ * All Rights Reserved.
+ *
+ * Permission to use, copy, modify and distribute this software and its
+ * documentation is hereby granted, provided that both the copyright
+ * notice and this permission notice appear in all copies of the
+ * software, derivative works or modified versions, and any portions
+ * thereof, and that both notices appear in supporting documentation.
+ *
+ * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
+ * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
+ * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
+ *
+ * Carnegie Mellon requests users of this software to return to
+ *
+ *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
+ *  School of Computer Science
+ *  Carnegie Mellon University
+ *  Pittsburgh PA 15213-3890
+ *
+ * any improvements or extensions that they make and grant Carnegie Mellon
+ * the rights to redistribute these changes.
+ */
+
+#ifndef	_KERN_SYSCALL_SW_H_
+#define	_KERN_SYSCALL_SW_H_
+
+#include <mach/boolean.h>
+
+/*
+ *	mach_trap_stack indicates the trap may discard
+ *	its kernel stack.  Some architectures may need
+ *	to save more state in the pcb for these traps.
+ *
+ *	Note: this is indexed manually by locore.S!
+ */
+
+typedef void (*generic_trap_function)(void);
+
+typedef struct {
+	int		mach_trap_arg_count;
+	generic_trap_function mach_trap_function;
+	boolean_t	mach_trap_stack;
+	const char	*mach_trap_name;
+} mach_trap_t;
+
+extern mach_trap_t	mach_trap_table[];
+extern int		mach_trap_count;
+
+#define	MACH_TRAP(name, arg_count)		\
+		{ (arg_count), (generic_trap_function) (name), FALSE, #name }
+#define	MACH_TRAP_STACK(name, arg_count)	\
+		{ (arg_count), (generic_trap_function) (name), TRUE, #name }
+
+#endif	/* _KERN_SYSCALL_SW_H_ */