kern_machdep.c   [plain text]


/*
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 * Please obtain a copy of the License at 
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/*
 *	Copyright (C) 1990,  NeXT, Inc.
 *
 *	File:	next/kern_machdep.c
 *	Author:	John Seamons
 *
 *	Machine-specific kernel routines.
 */

#include	<sys/types.h>
#include	<mach/machine.h>
#include	<kern/cpu_number.h>
#include	<machine/exec.h>
#include	<machine/machine_routines.h>

/**********************************************************************
 * Routine:	grade_binary()
 *
 * Function:	Keep the API the same between PPC and X86; always say
 *		any CPU subtype is OK with us, but only OK CPU types
 *		for which we are actually capable of executing the
 *		binary, either directly or via an imputed interpreter.
 **********************************************************************/
int
grade_binary(cpu_type_t exectype, cpu_subtype_t execsubtype)
{
	switch(exectype) {
	case CPU_TYPE_X86:		/* native */
	case CPU_TYPE_POWERPC:		/* via translator */
		return 1;
	case CPU_TYPE_X86_64:		/* native 64-bit */
		return (ml_is64bit() && execsubtype == CPU_SUBTYPE_X86_64_ALL) ? 2 : 0;
	default:			/* all other binary types */
		return 0;
	}
}

extern void md_prepare_for_shutdown(int, int, char *);

void
md_prepare_for_shutdown(
	__unused int paniced,
	__unused int howto,
	__unused char * command)
{
}