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1.1 root 1: /*
2: * Copyright (c) 1995-1994 The University of Utah and
3: * the Computer Systems Laboratory at the University of Utah (CSL).
4: * All rights reserved.
5: *
6: * Permission to use, copy, modify and distribute this software is hereby
7: * granted provided that (1) source code retains these copyright, permission,
8: * and disclaimer notices, and (2) redistributions including binaries
9: * reproduce the notices in supporting documentation, and (3) all advertising
10: * materials mentioning features or use of this software display the following
11: * acknowledgement: ``This product includes software developed by the
12: * Computer Systems Laboratory at the University of Utah.''
13: *
14: * THE UNIVERSITY OF UTAH AND CSL ALLOW FREE USE OF THIS SOFTWARE IN ITS "AS
15: * IS" CONDITION. THE UNIVERSITY OF UTAH AND CSL DISCLAIM ANY LIABILITY OF
16: * ANY KIND FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
17: *
18: * CSL requests users of this software to return to [email protected] any
19: * improvements that they make and grant CSL redistribution rights.
20: *
21: * Author: Bryan Ford, University of Utah CSL
22: */
23:
24: #include <mach/machine/seg.h>
25: #include <mach/machine/proc_reg.h>
26:
27: #include "real.h"
28: #include "i16.h"
29: #include "debug.h"
30:
31:
32: void raw_real_int(int intnum, struct real_call_data *rcd)
33: {
34: assert((get_cs() & 3) == 0);
35:
36: do_16bit(
37: unsigned int eflags;
38:
39: i16_raw_switch_to_real_mode();
40: i16_real_int(intnum, rcd);
41: i16_raw_switch_to_pmode();
42: );
43: }
44:
45: void (*real_int)(int intnum, struct real_call_data *rcd) = raw_real_int;
46:
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