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1c79356b 1/*
fe8ab488 2 * Copyright (c) 2000-2013 Apple Inc. All rights reserved.
5d5c5d0d 3 *
2d21ac55 4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
1c79356b 5 *
2d21ac55
A
6 * This file contains Original Code and/or Modifications of Original Code
7 * as defined in and that are subject to the Apple Public Source License
8 * Version 2.0 (the 'License'). You may not use this file except in
9 * compliance with the License. The rights granted to you under the License
10 * may not be used to create, or enable the creation or redistribution of,
11 * unlawful or unlicensed copies of an Apple operating system, or to
12 * circumvent, violate, or enable the circumvention or violation of, any
13 * terms of an Apple operating system software license agreement.
8f6c56a5 14 *
2d21ac55
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15 * Please obtain a copy of the License at
16 * http://www.opensource.apple.com/apsl/ and read it before using this file.
17 *
18 * The Original Code and all software distributed under the License are
19 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
8f6c56a5
A
20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
2d21ac55
A
22 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
23 * Please see the License for the specific language governing rights and
24 * limitations under the License.
8f6c56a5 25 *
2d21ac55 26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
1c79356b
A
27 */
28/*
29 * Copyright (C) 1990, NeXT, Inc.
30 *
31 * File: next/kern_machdep.c
32 * Author: John Seamons
33 *
34 * Machine-specific kernel routines.
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35 */
36
37#include <sys/types.h>
38#include <mach/machine.h>
39#include <kern/cpu_number.h>
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40#include <machine/exec.h>
41#include <machine/machine_routines.h>
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42
43/**********************************************************************
91447636 44 * Routine: grade_binary()
1c79356b 45 *
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46 * Function: Say OK to CPU types that we can actually execute on the given
47 * system. 64-bit binaries have the highest preference, followed
48 * by 32-bit binaries. 0 means unsupported.
1c79356b 49 **********************************************************************/
91447636 50int
fe8ab488 51grade_binary(cpu_type_t exectype, cpu_subtype_t execsubtype)
1c79356b 52{
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53 cpu_subtype_t hostsubtype = cpu_subtype();
54
0c530ab8 55 switch(exectype) {
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56 case CPU_TYPE_X86_64: /* native 64-bit */
57 switch(hostsubtype) {
58 case CPU_SUBTYPE_X86_64_H: /* x86_64h can execute anything */
59 switch (execsubtype) {
60 case CPU_SUBTYPE_X86_64_H:
61 return 3;
62 case CPU_SUBTYPE_X86_64_ALL:
63 return 2;
64 }
65 break;
66 case CPU_SUBTYPE_X86_ARCH1: /* generic systems can only execute ALL subtype */
67 switch (execsubtype) {
68 case CPU_SUBTYPE_X86_64_ALL:
69 return 2;
70 }
71 break;
72 }
73 break;
0c530ab8 74 case CPU_TYPE_X86: /* native */
0c530ab8 75 return 1;
1c79356b 76 }
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77
78 return 0;
1c79356b 79}
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80
81extern void md_prepare_for_shutdown(int, int, char *);
82
83void
84md_prepare_for_shutdown(
85 __unused int paniced,
86 __unused int howto,
87 __unused char * command)
88{
89}