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Diffstat (limited to 'sys/arch/mvme88k/include/param.h')
| -rw-r--r-- | sys/arch/mvme88k/include/param.h | 223 |
1 files changed, 223 insertions, 0 deletions
diff --git a/sys/arch/mvme88k/include/param.h b/sys/arch/mvme88k/include/param.h new file mode 100644 index 00000000000..37f380ffe3c --- /dev/null +++ b/sys/arch/mvme88k/include/param.h @@ -0,0 +1,223 @@ +/* + * Copyright (c) 1988 University of Utah. + * Copyright (c) 1982, 1986, 1990 The Regents of the University of California. + * All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * the Systems Programming Group of the University of Utah Computer + * Science Department. + * + * 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. + * + * from: Utah $Hdr: machparam.h 1.11 89/08/14$ + * + * @(#)param.h 7.8 (Berkeley) 6/28/91 + * $Id: param.h,v 1.1 1995/10/18 10:54:21 deraadt Exp $ + */ +#ifndef _MACHINE_PARAM_H_ +#define _MACHINE_PARAM_H_ + +/* + * Machine dependent constants for amiga + */ +#define MACHINE "m88k" +#define MACHINE_ARCH "m88k" +#define MID_MACHINE MID_M88K + +/* + * Round p (pointer or byte index) up to a correctly-aligned value + * for all data types (int, long, ...). The result is u_int and + * must be cast to any desired pointer type. + */ +#define ALIGNBYTES (sizeof(int) - 1) +#define ALIGN(p) (((u_int)(p) + (sizeof(int) - 1)) &~ (sizeof(int) - 1)) + +#ifndef NBPG +#define NBPG 4096 /* bytes/page */ +#endif /* NBPG */ +#define PGOFSET (NBPG-1) /* byte offset into page */ +#define PGSHIFT 12 /* LOG2(NBPG) */ +#define NPTEPG (NBPG/(sizeof(u_int))) + +#define NBSEG (1<<22) /* bytes/segment */ +#define SEGOFSET (NBSEG-1) /* byte offset into segment */ +#define SEGSHIFT 22 /* LOG2(NBSEG) */ + +/* + * 187 Bug uses the bottom 64k. We allocate ptes to map this into the + * kernel. But when we link the kernel, we tell it to start linking + * past this 64k. How does this change KERNBASE? XXX + */ + +#define KERNBASE 0x0 /* start of kernel virtual */ +#define BTOPKERNBASE ((u_long)KERNBASE >> PGSHIFT) + +#define DEV_BSIZE 512 +#define DEV_BSHIFT 9 /* log2(DEV_BSIZE) */ +#define BLKDEV_IOSIZE 2048 /* Should this be changed? XXX */ +#define MAXPHYS (64 * 1024) /* max raw I/O transfer size */ + +#define CLSIZE 1 +#define CLSIZELOG2 0 + +/* NOTE: SSIZE, SINCR and UPAGES must be multiples of CLSIZE */ +#define SSIZE 1 /* initial stack size/NBPG */ +#define SINCR 1 /* increment of stack/NBPG */ +#define USPACE ctob(UPAGES) + +#define UPAGES 3 /* pages of u-area */ +#define UADDR 0xFFEE0000 /* address of u */ +#define UVPN (UADDR>>PGSHIFT)/* virtual page number of u */ +#define KERNELSTACK (UADDR+UPAGES*NBPG) /* top of kernel stack */ + +/* + * 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 1024 +#define MCLSHIFT 10 +#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 (3072*1024/CLBYTES) +#endif + +#define MAXPARTITIONS 16 + +/* pages ("clicks") to disk blocks */ +#define ctod(x) ((x)<<(PGSHIFT-DEV_BSHIFT)) +#define dtoc(x) ((x)>>(PGSHIFT-DEV_BSHIFT)) +#define dtob(x) ((x)<<DEV_BSHIFT) + +/* pages to bytes */ +#define ctob(x) ((x)<<PGSHIFT) + +/* bytes to pages */ +#define btoc(x) (((unsigned)(x)+(NBPG-1))>>PGSHIFT) + +#define btodb(bytes) /* calculates (bytes / DEV_BSIZE) */ \ + ((unsigned)(bytes) >> DEV_BSHIFT) +#define dbtob(db) /* calculates (db * DEV_BSIZE) */ \ + ((unsigned)(db) << 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)) +#include <machine/psl.h> + +#ifdef JUNK +/* + * Mach derived conversion macros + */ +#define m88k_round_seg(x) ((((unsigned)(x)) + NBSEG - 1) & ~(NBSEG-1)) +#define m88k_trunc_seg(x) ((unsigned)(x) & ~(NBSEG-1)) +#define m88k_round_page(x) ((((unsigned)(x)) + NBPG - 1) & ~(NBPG-1)) +#define m88k_trunc_page(x) ((unsigned)(x) & ~(NBPG-1)) +#define m88k_btos(x) ((unsigned)(x) >> SEGSHIFT) +#define m88k_stob(x) ((unsigned)(x) << SEGSHIFT) +#define m88k_btop(x) ((unsigned)(x) >> PGSHIFT) +#define m88k_ptob(x) ((unsigned)(x) << PGSHIFT) + +/* + * spl functions; all but spl0 are done in-line + */ +#include <machine/psl.h> + +#define _debug_spl(s) \ +({ \ + register int _spl_r; \ +\ + asm __volatile ("clrl %0; movew sr,%0; movew %1,sr" : \ + "&=d" (_spl_r) : "di" (s)); \ + if ((_spl_r&PSL_IPL) > (s&PSL_IPL)) \ + printf ("%s:%d:spl(%d) ==> spl(%d)!!\n",__FILE__,__LINE__, \ + ((PSL_IPL&_spl_r)>>8), ((PSL_IPL&s)>>8)); \ + _spl_r; \ +}) + +#define _spl_no_check(s) \ +({ \ + register int _spl_r; \ +\ + asm __volatile ("clrl %0; movew sr,%0; movew %1,sr" : \ + "&=d" (_spl_r) : "di" (s)); \ + _spl_r; \ +}) +#if defined (DEBUG) +#define _spl _debug_spl +#else +#define _spl _spl_no_check +#endif + +/* spl0 requires checking for software interrupts */ +#define spl1() _spl(PSL_S|PSL_IPL1) +#define spl2() _spl(PSL_S|PSL_IPL2) +#define spl3() _spl(PSL_S|PSL_IPL3) +#define spl4() _spl(PSL_S|PSL_IPL4) +#define spl5() _spl(PSL_S|PSL_IPL5) +#define spl6() _spl(PSL_S|PSL_IPL6) +#define spl7() _spl(PSL_S|PSL_IPL7) + + +#define splnone() spl0() +#define splsoftclock() spl1() +#define splnet() spl1() +#define splbio() spl3() +#define splimp() spl3() +#define spltty() spl4() +#define splclock() spl6() +#define splstatclock() spl6() +#define splvm() spl6() +#define splhigh() spl7() +#define splsched() spl7() +#endif /* JUNK */ + +#ifdef _KERNEL +#define DELAY(x) delay(x) +#endif + +#endif /* !_MACHINE_PARAM_H_ */ |