/*
 * Copyright (c) 2005 Apple Computer, Inc. All rights reserved.
 *
 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
 * 
 * This file contains Original Code and/or Modifications of Original Code
 * as defined in and that are subject to the Apple Public Source License
 * Version 2.0 (the 'License'). You may not use this file except in
 * compliance with the License. The rights granted to you under the License
 * may not be used to create, or enable the creation or redistribution of,
 * unlawful or unlicensed copies of an Apple operating system, or to
 * circumvent, violate, or enable the circumvention or violation of, any
 * terms of an Apple operating system software license agreement.
 * 
 * Please obtain a copy of the License at
 * http://www.opensource.apple.com/apsl/ and read it before using this file.
 * 
 * The Original Code and all software distributed under the License are
 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
 * Please see the License for the specific language governing rights and
 * limitations under the License.
 * 
 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
 */
/*
 * @OSF_FREE_COPYRIGHT@
 */
/*
 * @APPLE_FREE_COPYRIGHT@
 */

/*
 *	Here are the Diagnostic interface interfaces
 *	Lovingly crafted by Bill Angell using traditional methods
 */
#ifdef	KERNEL_PRIVATE

#ifndef _DIAGNOSTICS_H_
#define _DIAGNOSTICS_H_

#if !(defined(__i386__) || defined(__x86_64__))
#error This file is not useful on non-Intel
#endif

int diagCall64(x86_saved_state_t *regs);

#define diagSCnum 0x00006000

#define dgAdjTB 0
#define dgLRA 1
#define dgpcpy 2
#define dgreset 3
#define dgtest 4
#define dgBMphys 5
#define dgUnMap 6
#define dgBootScreen 7
#define dgFlush 8
#define dgAlign 9
#define dgGzallocTest 10
#define dgmck 11
#define dg64 12
#define dgProbeRead 13
#define dgCPNull 14
#define dgPerfMon 15
#define dgMapPage 16
#define dgPowerStat 17
#define dgBind 18
#define dgAcntg 20
#define dgKlra 21
#define dgEnaPMC 22
#define	dgWar 23
#define dgNapStat 24
#define dgRuptStat 25
#define	dgPermCheck 26

typedef struct diagWork {			/* Diagnostic work area */

	unsigned int dgLock;			/* Lock if needed */
	unsigned int dgFlags;			/* Flags */
#define enaExpTrace 0x00000001
#define enaUsrFCall 0x00000002
#define enaUsrPhyMp 0x00000004
#define enaDiagSCs  0x00000008
#define enaDiagDM  0x00000010
#define enaDiagEM  0x00000020
#define enaDiagTrap  0x00000040
#define enaNotifyEM  0x00000080
	
	unsigned int dgMisc0;
	unsigned int dgMisc1;
	unsigned int dgMisc2;
	unsigned int dgMisc3;
	unsigned int dgMisc4;
	unsigned int dgMisc5;

} diagWork;

extern diagWork dgWork;

#define FIXED_PMC (1 << 30)
#define FIXED_PMC0 (FIXED_PMC)
#define FIXED_PMC1 (FIXED_PMC | 1)
#define FIXED_PMC2 (FIXED_PMC | 2)
#define GPMC0 (0)
#define GPMC1 (1)
#define GPMC2 (2)
#define GPMC3 (3)

static inline uint64_t read_pmc(uint32_t counter)
{
	uint32_t lo = 0, hi = 0;
	__asm__ volatile("rdpmc" : "=a" (lo), "=d" (hi) : "c" (counter));
	return ((((uint64_t)hi) << 32) | ((uint64_t)lo));
}
#endif /* _DIAGNOSTICS_H_ */

#endif /* KERNEL_PRIVATE */
