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/* $OpenBSD: rm7000.h,v 1.2 2004/08/10 18:52:58 deraadt Exp $ */
/*
* Copyright (c) 2001-2004 Opsycon AB (www.opsycon.se / www.opsycon.com)
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
*/
#ifndef _MACHINE_RM7000_H
#define _MACHINE_RM7000_H
/*
* QED RM7000 specific defines.
*/
/*
* Performance counters.
*/
#define PCNT_SRC_CLOCKS 0x00 /* Clock cycles */
#define PCNT_SRC_INSTR 0x01 /* Total instructions issued */
#define PCNT_SRC_FPINSTR 0x02 /* Float instructions issued */
#define PCNT_SRC_IINSTR 0x03 /* Integer instructions issued */
#define PCNT_SRC_LOAD 0x04 /* Load instructions issued */
#define PCNT_SRC_STORE 0x05 /* Store instructions issued */
#define PCNT_SRC_DUAL 0x06 /* Dual issued pairs */
#define PCNT_SRC_BRPREF 0x07 /* Branch prefetches */
#define PCNT_SRC_EXTMISS 0x08 /* External cache misses */
#define PCNT_SRC_STALL 0x09 /* Stall cycles */
#define PCNT_SRC_SECMISS 0x0a /* Secondary cache misses */
#define PCNT_SRC_INSMISS 0x0b /* Instruction cache misses */
#define PCNT_SRC_DTAMISS 0x0c /* Data cache misses */
#define PCNT_SRC_DTLBMISS 0x0d /* Data TLB misses */
#define PCNT_SRC_ITLBMISS 0x0e /* Instruction TLB misses */
#define PCNT_SRC_JTLBIMISS 0x0f /* Joint TLB instruction misses */
#define PCNT_SRC_JTLBDMISS 0x10 /* Joint TLB data misses */
#define PCNT_SRC_BRTAKEN 0x11 /* Branches taken */
#define PCNT_SRC_BRISSUED 0x12 /* Branches issued */
#define PCNT_SRC_SECWBACK 0x13 /* Secondary cache writebacks */
#define PCNT_SRC_PRIWBACK 0x14 /* Primary cache writebacks */
#define PCNT_SRC_DCSTALL 0x15 /* Dcache miss stall cycles */
#define PCNT_SRC_MISS 0x16 /* Cache misses */
#define PCNT_SRC_FPEXC 0x17 /* FP possible execption cycles */
#define PCNT_SRC_MULSLIP 0x18 /* Slip cycles due to mult. busy */
#define PCNT_SRC_CP0SLIP 0x19 /* CP0 Slip cycles */
#define PCNT_SRC_LDSLIP 0x1a /* Slip cycles due to pend. non-b ld */
#define PCNT_SRC_WBFULL 0x1b /* Write buffer full stall cycles */
#define PCNT_SRC_CISTALL 0x1c /* Cache instruction stall cycles */
#define PCNT_SRC_MULSTALL 0x1d /* Multiplier stall cycles */
#define PCNT_SRC_ELDSTALL 0x1d /* Excepion stall due to non-b ld */
#define PCNT_SRC_MAX 0x1d /* Maximum PCNT select code */
/*
* Counter control bits.
*/
#define PCNT_CE 0x0400 /* Count enable */
#define PCNT_UM 0x0200 /* Count in User mode */
#define PCNT_KM 0x0100 /* Count in kernel mode */
/*
* Performance counter system call function codes.
*/
#define PCNT_FNC_SELECT 0x0001 /* Select counter source */
#define PCNT_FNC_READ 0x0002 /* Read current value of counter */
#ifdef _KERNEL
__BEGIN_DECLS
int rm7k_perfcntr __P((int, long, long, long));
void rm7k_perfintr __P((struct trap_frame *));
int rm7k_watchintr __P((struct trap_frame *));
void cp0_setperfcount __P((int));
void cp0_setperfctrl __P((int));
int cp0_getperfcount __P((void));
__END_DECLS
#endif /* _KERNEL */
#endif /* _MACHINE_RM7000_H */
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