freebsd-dev/sys/mips/include/cpuinfo.h
Adrian Chadd 7b61491a8d [mips] Add TLB pagemask probing code, and print out the allowable page sizes.
This is from Stacey's work on larger kernel stack sizes for MIPS.  Thanks!

Submitted by:	sson
2015-12-22 15:59:41 +00:00

84 lines
2.7 KiB
C

/* $NetBSD: cpu.h,v 1.70 2003/01/17 23:36:08 thorpej Exp $ */
/*-
* Copyright (c) 1992, 1993
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Ralph Campbell and Rick Macklem.
*
* 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS OR CONTRIBUTORS 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.
*
* $FreeBSD$
* @(#)cpu.h 8.4 (Berkeley) 1/4/94
*/
#ifndef _CPUINFO_H_
#define _CPUINFO_H_
/*
* Exported definitions unique to NetBSD/mips cpu support.
*/
#ifdef _KERNEL
#ifndef LOCORE
struct mips_cpuinfo {
u_int8_t cpu_vendor;
u_int8_t cpu_rev;
u_int8_t cpu_impl;
u_int8_t tlb_type;
u_int32_t tlb_pgmask;
u_int16_t tlb_nentries;
u_int8_t icache_virtual;
boolean_t cache_coherent_dma;
struct {
u_int32_t ic_size;
u_int8_t ic_linesize;
u_int8_t ic_nways;
u_int16_t ic_nsets;
u_int32_t dc_size;
u_int8_t dc_linesize;
u_int8_t dc_nways;
u_int16_t dc_nsets;
} l1;
struct {
u_int32_t dc_size;
u_int8_t dc_linesize;
u_int8_t dc_nways;
u_int16_t dc_nsets;
} l2;
};
extern struct mips_cpuinfo cpuinfo;
#endif /* !LOCORE */
#endif /* _KERNEL */
#endif /* _CPUINFO_H_ */