1/* 2 * Copyright (c) 2000-2013 Apple Inc. All rights reserved. 3 * 4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ 5 * 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. 14 * 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 20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 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. 25 * 26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ 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. 35 */ 36 37#include <sys/types.h> 38#include <mach/machine.h> 39#include <kern/cpu_number.h> 40#include <machine/exec.h> 41#include <machine/machine_routines.h> 42 43/********************************************************************** 44 * Routine: grade_binary() 45 * 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. 49 **********************************************************************/ 50int 51grade_binary(cpu_type_t exectype, cpu_subtype_t execsubtype) 52{ 53 cpu_subtype_t hostsubtype = cpu_subtype(); 54 55 switch(exectype) { 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; 74 case CPU_TYPE_X86: /* native */ 75 return 1; 76 } 77 78 return 0; 79} 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} 90