284 lines
9.9 KiB
C
284 lines
9.9 KiB
C
/* $NetBSD: param.h,v 1.23 1996/03/31 22:18:16 pk Exp $ */
|
|
|
|
/*
|
|
* Copyright (c) 1992, 1993
|
|
* The Regents of the University of California. All rights reserved.
|
|
*
|
|
* This software was developed by the Computer Systems Engineering group
|
|
* at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
|
|
* contributed to Berkeley.
|
|
*
|
|
* 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, Lawrence Berkeley Laboratory.
|
|
*
|
|
* 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.
|
|
*
|
|
* @(#)param.h 8.1 (Berkeley) 6/11/93
|
|
*/
|
|
/*
|
|
* Sun4M support by Aaron Brown, Harvard University.
|
|
* Changes Copyright (c) 1995 The President and Fellows of Harvard College.
|
|
* All rights reserved.
|
|
*
|
|
* $Id: param.h,v 1.23 1996/03/31 22:18:16 pk Exp $
|
|
*/
|
|
#define _MACHINE sparc
|
|
#define MACHINE "sparc"
|
|
#define _MACHINE_ARCH sparc
|
|
#define MACHINE_ARCH "sparc"
|
|
#define MID_MACHINE MID_SPARC
|
|
|
|
#ifdef _KERNEL /* XXX */
|
|
#ifndef _LOCORE /* XXX */
|
|
#include <machine/cpu.h> /* XXX */
|
|
#endif /* XXX */
|
|
#endif /* XXX */
|
|
|
|
/*
|
|
* Round p (pointer or byte index) up to a correctly-aligned value for
|
|
* the machine's strictest data type. The result is u_int and must be
|
|
* cast to any desired pointer type.
|
|
*/
|
|
#define ALIGNBYTES 7
|
|
#define ALIGN(p) (((u_int)(p) + ALIGNBYTES) & ~ALIGNBYTES)
|
|
|
|
#define SUN4_PGSHIFT 13 /* for a sun4 machine */
|
|
#define SUN4CM_PGSHIFT 12 /* for a sun4c or sun4m machine */
|
|
|
|
/*
|
|
* Three possible cases:
|
|
* sun4 only 8192 bytes/page
|
|
* sun4c/sun4m only 4096 bytes/page
|
|
* sun4/sun4c/sun4m either of the above
|
|
*
|
|
* In the later case NBPG, PGOFSET, and PGSHIFT are encoded in variables
|
|
* initialized early in locore.s. Since they are variables, rather than
|
|
* simple constants, the kernel will not perform slighly worse.
|
|
*/
|
|
#if defined(SUN4) && !defined(SUN4C) && !defined(SUN4M)
|
|
#define NBPG 8192 /* bytes/page */
|
|
#define PGOFSET (NBPG-1) /* byte offset into page */
|
|
#define PGSHIFT SUN4_PGSHIFT /* log2(NBPG) */
|
|
#endif
|
|
#if !defined(SUN4) && (defined(SUN4C) || defined(SUN4M))
|
|
#define NBPG 4096 /* bytes/page */
|
|
#define PGOFSET (NBPG-1) /* byte offset into page */
|
|
#define PGSHIFT SUN4CM_PGSHIFT /* log2(NBPG) */
|
|
#endif
|
|
#if defined(SUN4) && (defined(SUN4C) || defined(SUN4M))
|
|
#if defined(_KERNEL) && !defined(_LOCORE)
|
|
extern int nbpg, pgofset, pgshift;
|
|
#endif
|
|
#define NBPG nbpg /* bytes/page */
|
|
#define PGOFSET pgofset /* byte offset into page */
|
|
#define PGSHIFT pgshift /* log2(NBPG) */
|
|
#endif
|
|
|
|
#define KERNBASE 0xf8000000 /* start of kernel virtual space */
|
|
#define KERNTEXTOFF 0xf8004000 /* start of kernel text */
|
|
|
|
#define DEV_BSIZE 512
|
|
#define DEV_BSHIFT 9 /* log2(DEV_BSIZE) */
|
|
#define BLKDEV_IOSIZE 2048
|
|
#define MAXPHYS (64 * 1024)
|
|
|
|
#define CLSIZE 1
|
|
#define CLSIZELOG2 0
|
|
|
|
/* NOTE: SSIZE must be multiple of CLSIZE */
|
|
#define SSIZE 1 /* initial stack size in pages */
|
|
#define USPACE 8192
|
|
|
|
/*
|
|
* Constants related to network buffer management.
|
|
* MCLBYTES must be no larger than CLBYTES (the software page size), and,
|
|
* on machines that exchange pages of input or output buffers with mbuf
|
|
* clusters (MAPPED_MBUFS), MCLBYTES must also be an integral multiple
|
|
* of the hardware page size.
|
|
*/
|
|
#define MSIZE 128 /* size of an mbuf */
|
|
#define MCLBYTES 2048 /* enough for whole Ethernet packet */
|
|
#define MCLSHIFT 11 /* log2(MCLBYTES) */
|
|
#define MCLOFSET (MCLBYTES - 1)
|
|
|
|
#ifndef NMBCLUSTERS
|
|
#ifdef GATEWAY
|
|
#define NMBCLUSTERS 512 /* map size, max cluster allocation */
|
|
#else
|
|
#define NMBCLUSTERS 256 /* map size, max cluster allocation */
|
|
#endif
|
|
#endif
|
|
|
|
/*
|
|
* Size of kernel malloc arena in CLBYTES-sized logical pages.
|
|
*/
|
|
#ifndef NKMEMCLUSTERS
|
|
#define NKMEMCLUSTERS (6 * 1024 * 1024 / CLBYTES)
|
|
#endif
|
|
|
|
/* pages ("clicks") to disk blocks */
|
|
#define ctod(x) ((x) << (PGSHIFT - DEV_BSHIFT))
|
|
#define dtoc(x) ((x) >> (PGSHIFT - DEV_BSHIFT))
|
|
|
|
/* pages to bytes */
|
|
#define ctob(x) ((x) << PGSHIFT)
|
|
#define btoc(x) (((x) + PGOFSET) >> PGSHIFT)
|
|
|
|
/* bytes to disk blocks */
|
|
#define btodb(x) ((x) >> DEV_BSHIFT)
|
|
#define dbtob(x) ((x) << DEV_BSHIFT)
|
|
|
|
/*
|
|
* Map a ``block device block'' to a file system block.
|
|
* This should be device dependent, and should use the bsize
|
|
* field from the disk label.
|
|
* For now though just use DEV_BSIZE.
|
|
*/
|
|
#define bdbtofsb(bn) ((bn) / (BLKDEV_IOSIZE / DEV_BSIZE))
|
|
|
|
/*
|
|
* dvmamap manages a range of DVMA addresses intended to create double
|
|
* mappings of physical memory. In a way, `dvmamap' is a submap of the
|
|
* VM map `phys_map'. The difference is the use of the `resource map'
|
|
* routines to manage page allocation, allowing DVMA addresses to be
|
|
* allocated and freed from within interrupt routines.
|
|
*
|
|
* Note that `phys_map' can still be used to allocate memory-backed pages
|
|
* in DVMA space.
|
|
*/
|
|
#ifdef _KERNEL
|
|
#ifndef _LOCORE
|
|
extern vm_offset_t dvma_base;
|
|
extern vm_offset_t dvma_end;
|
|
extern struct map *dvmamap;
|
|
/*
|
|
* The dvma resource map is defined in page units, which are numbered 1 to N.
|
|
* Use these macros to convert to/from virtual addresses.
|
|
*/
|
|
#define rctov(n) (ctob(((n)-1))+dvma_base)
|
|
#define vtorc(v) ((btoc((v)-dvma_base))+1)
|
|
|
|
extern caddr_t kdvma_mapin __P((caddr_t, int, int));
|
|
extern caddr_t dvma_malloc __P((size_t, void *, int));
|
|
extern void dvma_free __P((caddr_t, size_t, void *));
|
|
|
|
extern void delay __P((unsigned int));
|
|
#define DELAY(n) delay(n)
|
|
|
|
extern int cputyp;
|
|
extern int cpumod;
|
|
extern int mmumod;
|
|
|
|
#endif /* _LOCORE */
|
|
#endif /* _KERNEL */
|
|
|
|
/*
|
|
* Values for the cputyp variable.
|
|
*/
|
|
#define CPU_SUN4 0
|
|
#define CPU_SUN4C 1
|
|
#define CPU_SUN4M 2
|
|
/*
|
|
* Values for cpumod (cpu model) variable. XXX currently valid only for sun4
|
|
* or Sun4M
|
|
*/
|
|
#define SUN4_100 0x22
|
|
#define SUN4_200 0x21
|
|
#define SUN4_300 0x23
|
|
#define SUN4_400 0x24
|
|
#define SUN4M_MS 0x04 /* MicroSPARC-II */
|
|
#define SUN4M_SS 0x40 /* Generic SuperSPARC */
|
|
#define SUN4M_HS 0x10 /* Generic ROSS sparc product (HyperSPARC) */
|
|
#define SUN4M_RT620 0x1f /* Ross HyperSPARC RT620 */
|
|
#define SUN4M_STP1020N 0x41 /* TI SuperSPARC STP1020N */
|
|
#define SUN4M_STP1020P 0x40 /* TI SuperSPARC STP1020P */
|
|
#define SUN4M_STP1020A 0x40 /* TI SuperSPARC STP1020A */
|
|
|
|
/* Values for mmumod (mmu model) variable. Valid only for Sun4M */
|
|
#define SUN4M_MMU_HS 0x1 /* ROSS HyperSparc */
|
|
#define SUN4M_MMU_SS 0x0 /* TI SuperSPARC */
|
|
#define SUN4M_MMU_MS1 0x4 /* MicroSPARC-I (??? XXX) */
|
|
#define SUN4M_MMU_MS 0x0 /* MicroSPARC-II (ugh, conflicts w/SS) */
|
|
|
|
/*
|
|
* Shorthand CPU-type macros. Enumerate all eight cases.
|
|
* Let compiler optimize away code conditional on constants.
|
|
*/
|
|
#if defined(SUN4M) && defined(SUN4C) && defined(SUN4)
|
|
# define CPU_ISSUN4M (cputyp == CPU_SUN4M)
|
|
# define CPU_ISSUN4C (cputyp == CPU_SUN4C)
|
|
# define CPU_ISSUN4 (cputyp == CPU_SUN4)
|
|
# define CPU_ISSUN4OR4C (cputyp == CPU_SUN4 || cputyp == CPU_SUN4C)
|
|
# define CPU_ISSUN4COR4M (cputyp == CPU_SUN4C || cputyp == CPU_SUN4M)
|
|
#elif defined(SUN4M) && defined(SUN4C) && !defined(SUN4)
|
|
# define CPU_ISSUN4M (cputyp == CPU_SUN4M)
|
|
# define CPU_ISSUN4C (cputyp == CPU_SUN4C)
|
|
# define CPU_ISSUN4 (0)
|
|
# define CPU_ISSUN4OR4C (cputyp == CPU_SUN4C)
|
|
# define CPU_ISSUN4COR4M (cputyp == CPU_SUN4C || cputyp == CPU_SUN4M)
|
|
#elif defined(SUN4M) && !defined(SUN4C) && defined(SUN4)
|
|
# define CPU_ISSUN4M (cputyp == CPU_SUN4M)
|
|
# define CPU_ISSUN4C (0)
|
|
# define CPU_ISSUN4 (cputyp == CPU_SUN4)
|
|
# define CPU_ISSUN4OR4C (cputyp == CPU_SUN4)
|
|
# define CPU_ISSUN4COR4M (cputyp == CPU_SUN4M)
|
|
#elif defined(SUN4M) && !defined(SUN4C) && !defined(SUN4)
|
|
# define CPU_ISSUN4M (1)
|
|
# define CPU_ISSUN4C (0)
|
|
# define CPU_ISSUN4 (0)
|
|
# define CPU_ISSUN4OR4C (0)
|
|
# define CPU_ISSUN4COR4M (1)
|
|
#elif !defined(SUN4M) && defined(SUN4C) && defined(SUN4)
|
|
# define CPU_ISSUN4M (0)
|
|
# define CPU_ISSUN4C (cputyp == CPU_SUN4C)
|
|
# define CPU_ISSUN4 (cputyp == CPU_SUN4)
|
|
# define CPU_ISSUN4OR4C (1)
|
|
# define CPU_ISSUN4COR4M (cputyp == CPU_SUN4C)
|
|
#elif !defined(SUN4M) && defined(SUN4C) && !defined(SUN4)
|
|
# define CPU_ISSUN4M (0)
|
|
# define CPU_ISSUN4C (1)
|
|
# define CPU_ISSUN4 (0)
|
|
# define CPU_ISSUN4OR4C (1)
|
|
# define CPU_ISSUN4COR4M (1)
|
|
#elif !defined(SUN4M) && !defined(SUN4C) && defined(SUN4)
|
|
# define CPU_ISSUN4M (0)
|
|
# define CPU_ISSUN4C (0)
|
|
# define CPU_ISSUN4 (1)
|
|
# define CPU_ISSUN4OR4C (1)
|
|
# define CPU_ISSUN4COR4M (0)
|
|
#elif !defined(SUN4M) && !defined(SUN4C) && !defined(SUN4)
|
|
# define CPU_ISSUN4M (0)
|
|
# define CPU_ISSUN4C (0)
|
|
# define CPU_ISSUN4 (0)
|
|
# define CPU_ISSUN4OR4C (0)
|
|
# define CPU_ISSUN4COR4M (0)
|
|
#endif
|