diff options
Diffstat (limited to 'sys/arch')
| -rw-r--r-- | sys/arch/hp300/conf/files.hp300 | 4 | ||||
| -rw-r--r-- | sys/arch/hp300/hp300/pmap_bootstrap.c | 21 | ||||
| -rw-r--r-- | sys/arch/hp300/include/cpu.h | 5 | ||||
| -rw-r--r-- | sys/arch/hp300/include/param.h | 22 | ||||
| -rw-r--r-- | sys/arch/hp300/include/pmap.h | 165 | ||||
| -rw-r--r-- | sys/arch/hp300/include/pte.h | 159 | ||||
| -rw-r--r-- | sys/arch/mac68k/conf/files.mac68k | 4 | ||||
| -rw-r--r-- | sys/arch/mac68k/include/param.h | 6 | ||||
| -rw-r--r-- | sys/arch/mac68k/include/pmap.h | 188 | ||||
| -rw-r--r-- | sys/arch/mac68k/include/pte.h | 162 | ||||
| -rw-r--r-- | sys/arch/mac68k/mac68k/pmap_bootstrap.c | 21 | ||||
| -rw-r--r-- | sys/arch/mvme68k/conf/files.mvme68k | 4 | ||||
| -rw-r--r-- | sys/arch/mvme68k/include/param.h | 99 | ||||
| -rw-r--r-- | sys/arch/mvme68k/include/pmap.h | 161 | ||||
| -rw-r--r-- | sys/arch/mvme68k/include/pte.h | 158 | ||||
| -rw-r--r-- | sys/arch/mvme68k/mvme68k/pmap_bootstrap.c | 27 |
16 files changed, 129 insertions, 1077 deletions
diff --git a/sys/arch/hp300/conf/files.hp300 b/sys/arch/hp300/conf/files.hp300 index 30ea05d3aec..135a4fe1ef6 100644 --- a/sys/arch/hp300/conf/files.hp300 +++ b/sys/arch/hp300/conf/files.hp300 @@ -1,4 +1,4 @@ -# $OpenBSD: files.hp300,v 1.16 2001/11/21 00:29:58 miod Exp $ +# $OpenBSD: files.hp300,v 1.17 2001/11/30 20:58:14 miod Exp $ # $NetBSD: files.hp300,v 1.28 1997/05/12 08:23:28 thorpej Exp $ # # hp300-specific configuration info @@ -187,7 +187,7 @@ file arch/hp300/hp300/machdep.c file arch/hp300/hp300/intr.c file arch/hp300/hp300/leds.c useleds file arch/hp300/hp300/mem.c -file arch/hp300/hp300/pmap.c +file arch/m68k/m68k/pmap_motorola.c file arch/hp300/hp300/pmap_bootstrap.c file arch/hp300/hp300/sys_machdep.c file arch/hp300/hp300/trap.c diff --git a/sys/arch/hp300/hp300/pmap_bootstrap.c b/sys/arch/hp300/hp300/pmap_bootstrap.c index d383698a57e..52c2d9583f6 100644 --- a/sys/arch/hp300/hp300/pmap_bootstrap.c +++ b/sys/arch/hp300/hp300/pmap_bootstrap.c @@ -1,4 +1,4 @@ -/* $OpenBSD: pmap_bootstrap.c,v 1.11 2001/11/06 19:53:14 miod Exp $ */ +/* $OpenBSD: pmap_bootstrap.c,v 1.12 2001/11/30 20:58:18 miod Exp $ */ /* $NetBSD: pmap_bootstrap.c,v 1.13 1997/06/10 18:56:50 veego Exp $ */ /* @@ -520,3 +520,22 @@ pmap_bootstrap(nextpa, firstpa) RELOC(virtual_avail, vaddr_t) = va; } } + +void +pmap_init_md() +{ + vaddr_t addr; + + /* + * mark as unavailable the regions which we have mapped in + * pmap_bootstrap(). + */ + addr = (vaddr_t) intiobase; + if (uvm_map(kernel_map, &addr, + m68k_ptob(IIOMAPSIZE+EIOMAPSIZE), + NULL, UVM_UNKNOWN_OFFSET, 0, + UVM_MAPFLAG(UVM_PROT_NONE, UVM_PROT_NONE, + UVM_INH_NONE, UVM_ADV_RANDOM, + UVM_FLAG_FIXED))) + panic("pmap_init: bogons in the VM system!\n"); +} diff --git a/sys/arch/hp300/include/cpu.h b/sys/arch/hp300/include/cpu.h index 4e4ff631e12..06f7ecb1e0f 100644 --- a/sys/arch/hp300/include/cpu.h +++ b/sys/arch/hp300/include/cpu.h @@ -1,4 +1,4 @@ -/* $OpenBSD: cpu.h,v 1.15 2001/08/25 11:37:26 espie Exp $ */ +/* $OpenBSD: cpu.h,v 1.16 2001/11/30 20:58:18 miod Exp $ */ /* $NetBSD: cpu.h,v 1.28 1998/02/13 07:41:51 scottr Exp $ */ /* @@ -184,9 +184,6 @@ int badaddr __P((caddr_t)); int badbaddr __P((caddr_t)); void dumpconf __P((void)); -/* pmap.c functions */ -vaddr_t pmap_map __P((vaddr_t, paddr_t, paddr_t, int)); - /* sys_machdep.c functions */ int cachectl __P((int, vaddr_t, int)); diff --git a/sys/arch/hp300/include/param.h b/sys/arch/hp300/include/param.h index e2a2fb05e49..4f5aca2782d 100644 --- a/sys/arch/hp300/include/param.h +++ b/sys/arch/hp300/include/param.h @@ -1,4 +1,4 @@ -/* $OpenBSD: param.h,v 1.16 2001/07/18 10:47:04 art Exp $ */ +/* $OpenBSD: param.h,v 1.17 2001/11/30 20:58:18 miod Exp $ */ /* $NetBSD: param.h,v 1.35 1997/07/10 08:22:38 veego Exp $ */ /* @@ -65,12 +65,6 @@ #define KERNBASE 0x00000000 /* start of kernel virtual */ -#define SEGSHIFT 22 /* LOG2(NBSEG) */ -#define NBSEG (1 << SEGSHIFT) /* bytes/segment */ -#define SEGOFSET (NBSEG-1) /* byte offset into segment */ - -#define UPAGES 2 /* pages of u-area */ - #include <m68k/param.h> #define NPTEPG (NBPG/(sizeof (pt_entry_t))) @@ -91,18 +85,4 @@ void _delay __P((u_int)); #endif /* _KERNEL && !_LOCORE */ -#ifdef COMPAT_HPUX -/* - * Constants/macros for HPUX multiple mapping of user address space. - * Pages in the first 256Mb are mapped in at every 256Mb segment. - */ -#define HPMMMASK 0xF0000000 -#define ISHPMMADDR(v) \ - ((curproc->p_md.md_flags & MDP_HPUXMMAP) && \ - ((unsigned)(v) & HPMMMASK) && \ - ((unsigned)(v) & HPMMMASK) != HPMMMASK) -#define HPMMBASEADDR(v) \ - ((unsigned)(v) & ~HPMMMASK) -#endif - #endif /* !_MACHINE_PARAM_H_ */ diff --git a/sys/arch/hp300/include/pmap.h b/sys/arch/hp300/include/pmap.h index 3d427d92af3..9df02e00f25 100644 --- a/sys/arch/hp300/include/pmap.h +++ b/sys/arch/hp300/include/pmap.h @@ -1,162 +1,13 @@ -/* $OpenBSD: pmap.h,v 1.10 2001/11/28 16:13:28 art Exp $ */ -/* $NetBSD: pmap.h,v 1.13 1997/06/10 18:58:19 veego Exp $ */ +/* $OpenBSD: pmap.h,v 1.11 2001/11/30 20:58:18 miod Exp $ */ -/* - * Copyright (c) 1987 Carnegie-Mellon University - * Copyright (c) 1991, 1993 - * 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. - * - * @(#)pmap.h 8.1 (Berkeley) 6/10/93 - */ +#ifndef _MACHINE_PMAP_H_ +#define _MACHINE_PMAP_H_ -#ifndef _HP300_PMAP_H_ -#define _HP300_PMAP_H_ +#include <m68k/pmap_motorola.h> -#include <machine/cpu.h> -#include <machine/pte.h> - -#if defined(M68040) -#define HP_SEG_SIZE (mmutype == MMU_68040 ? 0x40000 : NBSEG) -#else -#define HP_SEG_SIZE NBSEG -#endif - -#define hp300_trunc_seg(x) (((unsigned)(x)) & ~(HP_SEG_SIZE-1)) -#define hp300_round_seg(x) hp300_trunc_seg((unsigned)(x) + HP_SEG_SIZE-1) - -/* - * Pmap stuff - */ -struct pmap { - pt_entry_t *pm_ptab; /* KVA of page table */ - st_entry_t *pm_stab; /* KVA of segment table */ - int pm_stchanged; /* ST changed */ - int pm_stfree; /* 040: free lev2 blocks */ - st_entry_t *pm_stpa; /* 040: ST phys addr */ - short pm_sref; /* segment table ref count */ - short pm_count; /* pmap reference count */ - struct simplelock pm_lock; /* lock on pmap */ - struct pmap_statistics pm_stats; /* pmap statistics */ - long pm_ptpages; /* more stats: PT pages */ -}; - -typedef struct pmap *pmap_t; - -/* - * On the 040 we keep track of which level 2 blocks are already in use - * with the pm_stfree mask. Bits are arranged from LSB (block 0) to MSB - * (block 31). For convenience, the level 1 table is considered to be - * block 0. - * - * MAX[KU]L2SIZE control how many pages of level 2 descriptors are allowed. - * for the kernel and users. 8 implies only the initial "segment table" - * page is used. WARNING: don't change MAXUL2SIZE unless you can allocate - * physically contiguous pages for the ST in pmap.c! - */ -#define MAXKL2SIZE 32 -#define MAXUL2SIZE 8 -#define l2tobm(n) (1 << (n)) -#define bmtol2(n) (ffs(n) - 1) - -/* - * Macros for speed - */ -#define PMAP_ACTIVATE(pmap, loadhw) \ -{ \ - if ((loadhw)) \ - loadustp(m68k_btop((paddr_t)(pmap)->pm_stpa)); \ -} -#define PMAP_DEACTIVATE(pmapp, pcbp) - -/* - * For each vm_page_t, there is a list of all currently valid virtual - * mappings of that page. An entry is a pv_entry, the list is pv_table. - */ -struct pv_entry { - struct pv_entry *pv_next; /* next pv_entry */ - struct pmap *pv_pmap; /* pmap where mapping lies */ - vaddr_t pv_va; /* virtual address for mapping */ - st_entry_t *pv_ptste; /* non-zero if VA maps a PT page */ - struct pmap *pv_ptpmap; /* if pv_ptste, pmap for PT page */ - int pv_flags; /* flags */ -}; - -#define PV_CI 0x01 /* header: all entries are cache inhibited */ -#define PV_PTPAGE 0x02 /* header: entry maps a page table page */ - -struct pv_page; - -struct pv_page_info { - TAILQ_ENTRY(pv_page) pgi_list; - struct pv_entry *pgi_freelist; - int pgi_nfree; -}; - -/* - * This is basically: - * ((NBPG - sizeof(struct pv_page_info)) / sizeof(struct pv_entry)) - */ -#define NPVPPG 170 - -struct pv_page { - struct pv_page_info pvp_pgi; - struct pv_entry pvp_pv[NPVPPG]; -}; - -extern struct pmap kernel_pmap_store; - -#define pmap_kernel() (&kernel_pmap_store) -#define active_pmap(pm) \ - ((pm) == pmap_kernel() || (pm) == curproc->p_vmspace->vm_map.pmap) -#define active_user_pmap(pm) \ - (curproc && \ - (pm) != pmap_kernel() && (pm) == curproc->p_vmspace->vm_map.pmap) - -extern struct pv_entry *pv_table; /* array of entries, one per page */ - -#define pmap_resident_count(pmap) ((pmap)->pm_stats.resident_count) -#define pmap_wired_count(pmap) ((pmap)->pm_stats.wired_count) - -#define pmap_update() /* empty */ - -extern pt_entry_t *Sysmap; -extern char *vmmap; /* map for mem, dumps, etc. */ - -#ifdef M68K_MMU_HP -void pmap_prefer __P((vaddr_t, vaddr_t *)); -#define PMAP_PREFER(foff, vap) pmap_prefer((foff), (vap)) +#ifdef _KERNEL +void pmap_init_md __P((void)); +#define PMAP_INIT_MD() pmap_init_md() #endif -#endif /* !_HP300_PMAP_H_ */ +#endif /* _MACHINE_PMAP_H_ */ diff --git a/sys/arch/hp300/include/pte.h b/sys/arch/hp300/include/pte.h index 188c36a10c0..e359464ad33 100644 --- a/sys/arch/hp300/include/pte.h +++ b/sys/arch/hp300/include/pte.h @@ -1,153 +1,14 @@ -/* $OpenBSD: pte.h,v 1.2 1997/01/12 15:13:41 downsj Exp $ */ -/* $NetBSD: pte.h,v 1.4 1994/10/26 07:26:40 cgd Exp $ */ +/* $OpenBSD: pte.h,v 1.3 2001/11/30 20:58:18 miod Exp $ */ -/* - * Copyright (c) 1988 University of Utah. - * Copyright (c) 1982, 1986, 1990, 1993 - * 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 $Hdr: pte.h 1.13 92/01/20$ - * - * @(#)pte.h 8.1 (Berkeley) 6/10/93 - */ +#ifndef _MACHINE_PTE_H_ +#define _MACHINE_PTE_H_ -#ifndef _HP300_PTE_H_ -#define _HP300_PTE_H_ +#include <m68k/pte_motorola.h> -/* - * HP300 hardware segment/page table entries - */ +#define MACHINE_STSIZE M68K_STSIZE +#define MACHINE_MAX_PTSIZE M68K_MAX_PTSIZE +#define MACHINE_MAX_KPTSIZE M68K_MAX_KPTSIZE +#define MACHINE_PTBASE M68K_PTBASE +#define MACHINE_PTMAXSIZE M68K_PTMAXSIZE -#if 0 -struct ste { - unsigned int sg_pfnum:20; /* page table frame number */ - unsigned int :8; /* reserved at 0 */ - unsigned int :1; /* reserved at 1 */ - unsigned int sg_prot:1; /* write protect bit */ - unsigned int sg_v:2; /* valid bits */ -}; - -struct ste40 { - unsigned int sg_ptaddr:24; /* page table page addr */ - unsigned int :4; /* reserved at 0 */ - unsigned int sg_u; /* hardware modified (dirty) bit */ - unsigned int sg_prot:1; /* write protect bit */ - unsigned int sg_v:2; /* valid bits */ -}; - -struct pte { - unsigned int pg_pfnum:20; /* page frame number or 0 */ - unsigned int :3; - unsigned int pg_w:1; /* is wired */ - unsigned int :1; /* reserved at zero */ - unsigned int pg_ci:1; /* cache inhibit bit */ - unsigned int :1; /* reserved at zero */ - unsigned int pg_m:1; /* hardware modified (dirty) bit */ - unsigned int pg_u:1; /* hardware used (reference) bit */ - unsigned int pg_prot:1; /* write protect bit */ - unsigned int pg_v:2; /* valid bit */ -}; -#endif - -typedef int st_entry_t; /* segment table entry */ -typedef int pt_entry_t; /* Mach page table entry */ - -#define PT_ENTRY_NULL ((pt_entry_t *) 0) -#define ST_ENTRY_NULL ((st_entry_t *) 0) - -#define SG_V 0x00000002 /* segment is valid */ -#define SG_NV 0x00000000 -#define SG_PROT 0x00000004 /* access protection mask */ -#define SG_RO 0x00000004 -#define SG_RW 0x00000000 -#define SG_U 0x00000008 /* modified bit (68040) */ -#define SG_FRAME 0xfffff000 -#define SG_IMASK 0xffc00000 -#define SG_ISHIFT 22 -#define SG_PMASK 0x003ff000 -#define SG_PSHIFT 12 - -/* 68040 additions */ -#define SG4_MASK1 0xfe000000 -#define SG4_SHIFT1 25 -#define SG4_MASK2 0x01fc0000 -#define SG4_SHIFT2 18 -#define SG4_MASK3 0x0003f000 -#define SG4_SHIFT3 12 -#define SG4_ADDR1 0xfffffe00 -#define SG4_ADDR2 0xffffff00 -#define SG4_LEV1SIZE 128 -#define SG4_LEV2SIZE 128 -#define SG4_LEV3SIZE 64 - -#define PG_V 0x00000001 -#define PG_NV 0x00000000 -#define PG_PROT 0x00000004 -#define PG_U 0x00000008 -#define PG_M 0x00000010 -#define PG_W 0x00000100 -#define PG_RO 0x00000004 -#define PG_RW 0x00000000 -#define PG_FRAME 0xfffff000 -#define PG_CI 0x00000040 -#define PG_SHIFT 12 -#define PG_PFNUM(x) (((x) & PG_FRAME) >> PG_SHIFT) - -/* 68040 additions */ -#define PG_CMASK 0x00000060 /* cache mode mask */ -#define PG_CWT 0x00000000 /* writethrough caching */ -#define PG_CCB 0x00000020 /* copyback caching */ -#define PG_CIS 0x00000040 /* cache inhibited serialized */ -#define PG_CIN 0x00000060 /* cache inhibited nonserialized */ -#define PG_SO 0x00000080 /* supervisor only */ - -#define HP_STSIZE (MAXUL2SIZE*SG4_LEV2SIZE*sizeof(st_entry_t)) - /* user process segment table size */ -#define HP_MAX_PTSIZE 0x400000 /* max size of UPT */ -#define HP_MAX_KPTSIZE 0x100000 /* max memory to allocate to KPT */ -#define HP_PTBASE 0x10000000 /* UPT map base address */ -#define HP_PTMAXSIZE 0x70000000 /* UPT map maximum size */ - -/* - * Kernel virtual address to page table entry and to physical address. - */ -#define kvtopte(va) \ - (&Sysmap[((unsigned)(va) - VM_MIN_KERNEL_ADDRESS) >> PGSHIFT]) -#define ptetokv(pt) \ - ((((pt_entry_t *)(pt) - Sysmap) << PGSHIFT) + VM_MIN_KERNEL_ADDRESS) -#define kvtophys(va) \ - ((kvtopte(va)->pg_pfnum << PGSHIFT) | ((int)(va) & PGOFSET)) - -#endif /* !_HP300_PTE_H_ */ +#endif /* _MACHINE_PTE_H_ */ diff --git a/sys/arch/mac68k/conf/files.mac68k b/sys/arch/mac68k/conf/files.mac68k index db2e269423a..07b6f6dfa94 100644 --- a/sys/arch/mac68k/conf/files.mac68k +++ b/sys/arch/mac68k/conf/files.mac68k @@ -1,4 +1,4 @@ -# $OpenBSD: files.mac68k,v 1.24 2001/11/21 00:29:58 miod Exp $ +# $OpenBSD: files.mac68k,v 1.25 2001/11/30 20:58:18 miod Exp $ # $NetBSD: files.mac68k,v 1.61 1997/03/01 20:22:16 scottr Exp $ # mac68k-specific configuration info @@ -114,7 +114,7 @@ file arch/mac68k/mac68k/macrom.c file arch/mac68k/mac68k/macromasm.s file arch/mac68k/mac68k/mainbus.c file arch/mac68k/mac68k/mem.c -file arch/mac68k/mac68k/pmap.c +file arch/m68k/m68k/pmap_motorola.c file arch/mac68k/mac68k/pmap_bootstrap.c file arch/mac68k/mac68k/pram.c file arch/mac68k/mac68k/pramasm.s diff --git a/sys/arch/mac68k/include/param.h b/sys/arch/mac68k/include/param.h index e5685bfaf08..6be60f8d1b3 100644 --- a/sys/arch/mac68k/include/param.h +++ b/sys/arch/mac68k/include/param.h @@ -1,4 +1,4 @@ -/* $OpenBSD: param.h,v 1.13 2001/05/13 02:37:29 millert Exp $ */ +/* $OpenBSD: param.h,v 1.14 2001/11/30 20:58:18 miod Exp $ */ /* $NetBSD: param.h,v 1.28 1997/03/01 06:57:45 scottr Exp $ */ /* @@ -98,10 +98,6 @@ #define KERNBASE 0x00000000 /* start of kernel virtual */ -#define SEGSHIFT 22 /* LOG2(NBSEG) */ -#define NBSEG (1 << SEGSHIFT) /* bytes/segment */ -#define SEGOFSET (NBSEG-1) /* byte offset into segment */ - #define UPAGES 3 /* pages of u-area */ #include <m68k/param.h> diff --git a/sys/arch/mac68k/include/pmap.h b/sys/arch/mac68k/include/pmap.h index 4f0e0c248bf..86527fd665c 100644 --- a/sys/arch/mac68k/include/pmap.h +++ b/sys/arch/mac68k/include/pmap.h @@ -1,195 +1,17 @@ -/* $OpenBSD: pmap.h,v 1.12 2001/11/28 16:13:28 art Exp $ */ -/* $NetBSD: pmap.h,v 1.26 1999/07/21 03:18:21 briggs Exp $ */ +/* $OpenBSD: pmap.h,v 1.13 2001/11/30 20:58:18 miod Exp $ */ -/* - * Copyright (c) 1987 Carnegie-Mellon University - * Copyright (c) 1991 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. - */ -/*- - * Copyright (C) 1993 Allen K. Briggs, Chris P. Caputo, - * Michael L. Finch, Bradley A. Grantham, and - * Lawrence A. Kesteloot - * All rights reserved. - * - * 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 Alice Group. - * 4. The names of the Alice Group or any of its members may not be used - * to endorse or promote products derived from this software without - * specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE ALICE GROUP ``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 ALICE GROUP 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. - * - */ - -/* - * @(#)pmap.h 7.6 (Berkeley) 5/10/91 - */ #ifndef _MAC68K_PMAP_H_ #define _MAC68K_PMAP_H_ -#include <machine/cpu.h> -#include <machine/pte.h> - -#if defined(M68040) -#define MAC_SEG_SIZE (mmutype == MMU_68040 ? 0x40000 : NBSEG) -#else -#define MAC_SEG_SIZE NBSEG -#endif - -#define mac68k_trunc_seg(x) (((unsigned)(x)) & ~(MAC_SEG_SIZE-1)) -#define mac68k_round_seg(x) mac68k_trunc_seg((unsigned)(x)+MAC_SEG_SIZE-1) - -/* - * Pmap stuff - */ -struct pmap { - pt_entry_t *pm_ptab; /* KVA of page table */ - st_entry_t *pm_stab; /* KVA of segment table */ - int pm_stfree; /* 040: free lev2 blocks */ - st_entry_t *pm_stpa; /* 040: ST phys addr */ - short pm_sref; /* segment table ref count */ - short pm_count; /* pmap reference count */ - struct simplelock pm_lock; /* lock on pmap */ - struct pmap_statistics pm_stats; /* pmap statistics */ - long pm_ptpages; /* more stats: PT pages */ -}; - -typedef struct pmap *pmap_t; - -/* - * On the 040, we keep track of which level 2 blocks are already in use - * with the pm_stfree mask. Bits are arranged from LSB (block 0) to MSB - * (block 31). For convenience, the level 1 table is considered to be - * block 0. - * - * MAX[KU]L2SIZE control how many pages of level 2 descriptors are allowed - * for the kernel and users. 8 implies only the initial "segment table" - * page is used. WARNING: don't change MAXUL2SIZE unless you can allocate - * physically contiguous pages for the ST in pmap.c! - */ -#define MAXKL2SIZE 32 -#define MAXUL2SIZE 8 -#define l2tobm(n) (1 << (n)) -#define bmtol2(n) (ffs(n) - 1) - -/* - * Macros for speed - */ -#define PMAP_ACTIVATE(pmap, loadhw) \ -{ \ - if ((loadhw)) \ - loadustp(m68k_btop((paddr_t)(pmap)->pm_stpa)); \ -} - -/* - * For each vm_page_t, there is a list of all currently valid virtual - * mappings of that page. An entry is a pv_entry_t, the list is pv_table. - */ -typedef struct pv_entry { - struct pv_entry *pv_next; /* next pv_entry */ - struct pmap *pv_pmap; /* pmap where mapping lies */ - vaddr_t pv_va; /* virtual address for mapping */ - st_entry_t *pv_ptste; /* non-zero if VA maps a PT page */ - struct pmap *pv_ptpmap; /* if pv_ptste, pmap for PT page */ - int pv_flags; /* flags */ -} *pv_entry_t; - -#define PV_CI 0x01 /* all entries must be cache inhibited */ -#define PV_PTPAGE 0x02 /* entry maps a page table page */ - -struct pv_page; - -struct pv_page_info { - TAILQ_ENTRY(pv_page) pgi_list; - struct pv_entry *pgi_freelist; - int pgi_nfree; -}; - -/* - * This is basically: - * ((NBPG - sizeof(struct pv_page_info)) / sizeof(struct pv_entry)) - */ -#define NPVPPG 170 - -struct pv_page { - struct pv_page_info pvp_pgi; - struct pv_entry pvp_pv[NPVPPG]; -}; +#include <m68k/pmap_motorola.h> #ifdef _KERNEL -extern struct pmap kernel_pmap_store; - -#define pmap_kernel() (&kernel_pmap_store) -#define active_pmap(pm) \ - ((pm) == pmap_kernel() || (pm) == curproc->p_vmspace->vm_map.pmap) -#define active_user_pmap(pm) \ - (curproc && \ - (pm) != pmap_kernel() && (pm) == curproc->p_vmspace->vm_map.pmap) -extern struct pv_entry *pv_table; /* array of entries, one per page */ - -#define pmap_resident_count(pmap) ((pmap)->pm_stats.resident_count) -#define pmap_wired_count(pmap) ((pmap)->pm_stats.wired_count) -#define pmap_update() /* nothing */ - -extern pt_entry_t *Sysmap; -extern char *vmmap; /* map for mem, dumps, etc. */ - -/* pmap.c */ -vm_offset_t pmap_map __P((vaddr_t, paddr_t, paddr_t, int)); void mac68k_set_pte __P((vm_offset_t va, vm_offset_t pge)); +void pmap_init_md __P((void)); +#define PMAP_INIT_MD() pmap_init_md() + #endif /* _KERNEL */ #endif /* _MAC68K_PMAP_H_ */ diff --git a/sys/arch/mac68k/include/pte.h b/sys/arch/mac68k/include/pte.h index 937789dc5f2..bf2f20714e4 100644 --- a/sys/arch/mac68k/include/pte.h +++ b/sys/arch/mac68k/include/pte.h @@ -1,156 +1,14 @@ -/* $OpenBSD: pte.h,v 1.4 1997/11/30 06:12:34 gene Exp $ */ -/* $NetBSD: pte.h,v 1.9 1996/05/05 06:17:58 briggs Exp $ */ +/* $OpenBSD: pte.h,v 1.5 2001/11/30 20:58:18 miod Exp $ */ -/* - * Copyright (c) 1988 University of Utah. - * Copyright (c) 1982, 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. - */ -/*- - * Copyright (C) 1993 Allen K. Briggs, Chris P. Caputo, - * Michael L. Finch, Bradley A. Grantham, and - * Lawrence A. Kesteloot - * All rights reserved. - * - * 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 Alice Group. - * 4. The names of the Alice Group or any of its members may not be used - * to endorse or promote products derived from this software without - * specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE ALICE GROUP ``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 ALICE GROUP 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 $Hdr: pte.h 1.11 89/09/03$ - * - * @(#)pte.h 7.3 (Berkeley) 5/8/91 - */ +#ifndef _MACHINE_PTE_H_ +#define _MACHINE_PTE_H_ -#ifndef _MAC68K_PTE_H_ -#define _MAC68K_PTE_H_ +#include <m68k/pte_motorola.h> -/* - * Mac hardware segment/page table entries - */ +#define MACHINE_STSIZE M68K_STSIZE +#define MACHINE_MAX_PTSIZE M68K_MAX_PTSIZE +#define MACHINE_MAX_KPTSIZE M68K_MAX_KPTSIZE +#define MACHINE_PTBASE M68K_PTBASE +#define MACHINE_PTMAXSIZE M68K_PTMAXSIZE -typedef int st_entry_t; /* segment table entry */ -typedef int pt_entry_t; /* Mach page table entry */ - -#define PT_ENTRY_NULL ((pt_entry_t *) 0) -#define ST_ENTRY_NULL ((st_entry_t *) 0) - -#define SG_V 0x00000002 /* segment is valid */ -#define SG_NV 0x00000000 -#define SG_PROT 0x00000004 /* access protection mask */ -#define SG_RO 0x00000004 -#define SG_RW 0x00000000 -#define SG_U 0x00000008 /* modified bit (68040) */ -#define SG_FRAME 0xfffff000 -#define SG_IMASK 0xffc00000 -#define SG_ISHIFT 22 -#define SG_PMASK 0x003ff000 -#define SG_PSHIFT 12 - -/* 68040 additions */ -#define SG4_MASK1 0xfe000000 -#define SG4_SHIFT1 25 -#define SG4_MASK2 0x01fc0000 -#define SG4_SHIFT2 18 -#define SG4_MASK3 0x0003f000 -#define SG4_SHIFT3 12 -#define SG4_ADDR1 0xfffffe00 -#define SG4_ADDR2 0xffffff00 -#define SG4_LEV1SIZE 128 -#define SG4_LEV2SIZE 128 -#define SG4_LEV3SIZE 64 - -#define PG_V 0x00000001 -#define PG_NV 0x00000000 -#define PG_PROT 0x00000004 -#define PG_U 0x00000008 -#define PG_M 0x00000010 -#define PG_W 0x00000100 -#define PG_RO 0x00000004 -#define PG_RW 0x00000000 -#define PG_FRAME 0xfffff000 -#define PG_CI 0x00000040 -#define PG_SHIFT 12 -#define PG_PFNUM(x) (((x) & PG_FRAME) >> PG_SHIFT) - -/* 68040 additions */ -#define PG_CMASK 0x00000060 /* cache mode mask */ -#define PG_CWT 0x00000000 /* writethrough caching */ -#define PG_CCB 0x00000020 /* copyback caching */ -#define PG_CIS 0x00000040 /* cache inhibited serialized */ -#define PG_CIN 0x00000060 /* cache inhibited nonserialized */ -#define PG_SO 0x00000080 /* supervisor only */ - -#define MAC_STSIZE (MAXUL2SIZE*SG4_LEV2SIZE*sizeof(st_entry_t)) - /* user process segment table size */ -#define MAC_MAX_PTSIZE 0x400000 /* max size of UPT */ -#define MAC_MAX_KPTSIZE 0x100000 /* max memory to allocate to KPT */ -#define MAC_PTBASE 0x10000000 /* UPT map base address */ -#define MAC_PTMAXSIZE 0x70000000 /* UPT map maximum size */ - -/* - * Kernel virtual address to page table entry and to physical address. - */ -#define kvtopte(va) \ - (&Sysmap[((unsigned)(va) - VM_MIN_KERNEL_ADDRESS) >> PGSHIFT]) -#define ptetokv(pt) \ - ((((pt_entry_t *)(pt) - Sysmap) << PGSHIFT) + VM_MIN_KERNEL_ADDRESS) -#define kvtophys(va) \ - ((kvtopte(va)->pg_pfnum << PGSHIFT) | ((int)(va) & PGOFSET)) - -#endif /* _MAC68K_PTE_H_ */ +#endif /* _MACHINE_PTE_H_ */ diff --git a/sys/arch/mac68k/mac68k/pmap_bootstrap.c b/sys/arch/mac68k/mac68k/pmap_bootstrap.c index ad16d8e0dba..c1e60b0e6a8 100644 --- a/sys/arch/mac68k/mac68k/pmap_bootstrap.c +++ b/sys/arch/mac68k/mac68k/pmap_bootstrap.c @@ -1,4 +1,4 @@ -/* $OpenBSD: pmap_bootstrap.c,v 1.15 2001/11/06 19:53:15 miod Exp $ */ +/* $OpenBSD: pmap_bootstrap.c,v 1.16 2001/11/30 20:58:18 miod Exp $ */ /* $NetBSD: pmap_bootstrap.c,v 1.50 1999/04/07 06:14:33 scottr Exp $ */ /* @@ -642,3 +642,22 @@ bootstrap_mac68k(tc) videoaddr = newvideoaddr; } + +void +pmap_init_md() +{ + vaddr_t addr; + + /* + * Mark as unavailable the regions which we have mapped in + * pmap_bootstrap(). + */ + addr = (vaddr_t)IOBase; + if (uvm_map(kernel_map, &addr, + m68k_ptob(IIOMAPSIZE + ROMMAPSIZE + VIDMAPSIZE), + NULL, UVM_UNKNOWN_OFFSET, 0, + UVM_MAPFLAG(UVM_PROT_NONE, UVM_PROT_NONE, + UVM_INH_NONE, UVM_ADV_RANDOM, + UVM_FLAG_FIXED))) + panic("pmap_init: bogons in the VM system!\n"); +} diff --git a/sys/arch/mvme68k/conf/files.mvme68k b/sys/arch/mvme68k/conf/files.mvme68k index ca8f8b03eba..b6b9c9f89ed 100644 --- a/sys/arch/mvme68k/conf/files.mvme68k +++ b/sys/arch/mvme68k/conf/files.mvme68k @@ -1,4 +1,4 @@ -# $OpenBSD: files.mvme68k,v 1.19 2001/11/21 00:29:58 miod Exp $ +# $OpenBSD: files.mvme68k,v 1.20 2001/11/30 20:58:18 miod Exp $ # config file for mvme68k @@ -115,7 +115,7 @@ file arch/mvme68k/mvme68k/disksubr.c file arch/mvme68k/mvme68k/dkbad.c file arch/mvme68k/mvme68k/machdep.c file arch/mvme68k/mvme68k/mem.c -file arch/mvme68k/mvme68k/pmap.c +file arch/m68k/m68k/pmap_motorola.c file arch/mvme68k/mvme68k/pmap_bootstrap.c file arch/mvme68k/mvme68k/sys_machdep.c file arch/mvme68k/mvme68k/trap.c diff --git a/sys/arch/mvme68k/include/param.h b/sys/arch/mvme68k/include/param.h index dcbf1eeae2f..bf17a1ea06d 100644 --- a/sys/arch/mvme68k/include/param.h +++ b/sys/arch/mvme68k/include/param.h @@ -1,4 +1,4 @@ -/* $OpenBSD: param.h,v 1.12 2001/07/06 02:07:42 provos Exp $ */ +/* $OpenBSD: param.h,v 1.13 2001/11/30 20:58:18 miod Exp $ */ /* * Copyright (c) 1988 University of Utah. @@ -42,73 +42,28 @@ * @(#)param.h 8.1 (Berkeley) 6/10/93 */ +#ifndef _MACHINE_PARAM_H_ +#define _MACHINE_PARAM_H_ + /* * Machine dependent constants for mvme68k, based on HP9000 series 300. */ #define _MACHINE "mvme68k" #define MACHINE "mvme68k" -#define _MACHINE_ARCH "m68k" -#define MACHINE_ARCH "m68k" -#define MID_MACHINE MID_M68K - -/* - * 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) + ALIGNBYTES) &~ ALIGNBYTES) #define PGSHIFT 12 /* LOG2(NBPG) */ -#define NBPG (1 << PGSHIFT) /* bytes/page */ -#define PGOFSET (NBPG-1) /* byte offset into page */ #define PAGE_SHIFT 12 #define PAGE_SIZE (1 << PAGE_SHIFT) #define PAGE_MASK (PAGE_SIZE - 1) -#define NPTEPG (NBPG/(sizeof (pt_entry_t))) - -#define SEGSHIFT 22 /* LOG2(NBSEG) */ -#define NBSEG (1 << SEGSHIFT) /* bytes/segment */ -#define SEGOFSET (NBSEG-1) /* byte offset into segment */ - #define KERNBASE 0x00000000 /* start of kernel virtual */ #define KERNTEXTOFF 0x00010000 /* start of kernel text */ -#define BTOPKERNBASE ((u_long)KERNBASE >> PGSHIFT) - -#define DEV_BSHIFT 9 /* log2(DEV_BSIZE) */ -#define DEV_BSIZE (1 << DEV_BSHIFT) -#define BLKDEV_IOSIZE 2048 -#define MAXPHYS (64 * 1024) /* max raw I/O transfer size */ - -#define SSIZE 1 /* initial stack size/NBPG */ -#define SINCR 1 /* increment of stack/NBPG */ -#define UPAGES 2 /* pages of u-area */ -#define USPACE (UPAGES * NBPG) /* total size of u-area */ - -/* - * Constants related to network buffer management. - * MCLBYTES must be no larger than 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 256 /* size of an mbuf */ -#define MCLSHIFT 11 -#define MCLBYTES (1 << MCLSHIFT) /* large enough for ether MTU */ -#define MCLOFSET (MCLBYTES - 1) - -#ifndef NMBCLUSTERS -#ifdef GATEWAY -#define NMBCLUSTERS 2048 /* map size, max cluster allocation */ -#else -#define NMBCLUSTERS 1024 /* map size, max cluster allocation */ -#endif -#endif #define MSGBUFSIZE 4096 +#include <m68k/param.h> + /* * Size of kernel malloc arena in logical pages */ @@ -116,34 +71,6 @@ #define NKMEMCLUSTERS (2048 * 1024 / PAGE_SIZE) #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 dbtob(x) ((x) << DEV_BSHIFT) -#define btodb(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)) - -/* - * Mach derived conversion macros - */ -#define m68k_round_page(x) ((((unsigned)(x)) + PGOFSET) & ~PGOFSET) -#define m68k_trunc_page(x) ((unsigned)(x) & ~PGOFSET) -#define m68k_btop(x) ((unsigned)(x) >> PGSHIFT) -#define m68k_ptob(x) ((unsigned)(x) << PGSHIFT) - /* * spl functions; all but spl0 are done in-line */ @@ -159,16 +86,4 @@ #define DELAY(n) delay(n) #endif -#ifdef COMPAT_HPUX -/* - * Constants/macros for HPUX multiple mapping of user address space. - * Pages in the first 256Mb are mapped in at every 256Mb segment. - */ -#define HPMMMASK 0xF0000000 -#define ISHPMMADDR(v) \ - ((curproc->p_md.md_flags & MDP_HPUXMMAP) && \ - ((unsigned)(v) & HPMMMASK) && \ - ((unsigned)(v) & HPMMMASK) != HPMMMASK) -#define HPMMBASEADDR(v) \ - ((unsigned)(v) & ~HPMMMASK) -#endif +#endif /* _MACHINE_PARAM_H_ */ diff --git a/sys/arch/mvme68k/include/pmap.h b/sys/arch/mvme68k/include/pmap.h index 0291e2bd484..309e6bdd51c 100644 --- a/sys/arch/mvme68k/include/pmap.h +++ b/sys/arch/mvme68k/include/pmap.h @@ -1,158 +1,13 @@ -/* $OpenBSD: pmap.h,v 1.8 2001/11/28 16:13:28 art Exp $ */ +/* $OpenBSD: pmap.h,v 1.9 2001/11/30 20:58:18 miod Exp $ */ -/* - * Copyright (c) 1987 Carnegie-Mellon University - * Copyright (c) 1991, 1993 - * 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. - * - * @(#)pmap.h 8.1 (Berkeley) 6/10/93 - */ +#ifndef _MACHINE_PMAP_H_ +#define _MACHINE_PMAP_H_ -#ifndef _MVME68K_PMAP_H_ -#define _MVME68K_PMAP_H_ - -#include <machine/pte.h> - -#if defined(M68040) -#define M68K_SEG_SIZE (mmutype == MMU_68040 ? 0x40000 : NBSEG) -#else -#define M68K_SEG_SIZE NBSEG -#endif - -#define m68k_trunc_seg(x) (((unsigned)(x)) & ~(M68K_SEG_SIZE-1)) -#define m68k_round_seg(x) m68k_trunc_seg((unsigned)(x) + M68K_SEG_SIZE-1) - -/* - * Pmap stuff - */ -struct pmap { - pt_entry_t *pm_ptab; /* KVA of page table */ - st_entry_t *pm_stab; /* KVA of segment table */ - int pm_stfree; /* 040: free lev2 blocks */ - st_entry_t *pm_stpa; /* 040: ST phys addr */ - short pm_sref; /* segment table ref count */ - short pm_count; /* pmap reference count */ - struct simplelock pm_lock; /* lock on pmap */ - struct pmap_statistics pm_stats; /* pmap statistics */ - long pm_ptpages; /* more stats: PT pages */ -}; - -typedef struct pmap *pmap_t; - -/* - * On the 040 we keep track of which level 2 blocks are already in use - * with the pm_stfree mask. Bits are arranged from LSB (block 0) to MSB - * (block 31). For convenience, the level 1 table is considered to be - * block 0. - * - * MAX[KU]L2SIZE control how many pages of level 2 descriptors are allowed. - * for the kernel and users. 8 implies only the initial "segment table" - * page is used. WARNING: don't change MAXUL2SIZE unless you can allocate - * physically contiguous pages for the ST in pmap.c! - */ -#define MAXKL2SIZE 32 -#define MAXUL2SIZE 8 -#define l2tobm(n) (1 << (n)) -#define bmtol2(n) (ffs(n) - 1) - -/* - * Macros for speed - */ -#define PMAP_ACTIVATE(pmap, loadhw) \ -{ \ - if ((loadhw)) \ - loadustp(m68k_btop((vm_offset_t)(pmap)->pm_stpa)); \ -} - -/* - * For each vm_page_t, there is a list of all currently valid virtual - * mappings of that page. An entry is a pv_entry, the list is pv_table. - */ -struct pv_entry { - struct pv_entry *pv_next; /* next pv_entry */ - struct pmap *pv_pmap; /* pmap where mapping lies */ - vm_offset_t pv_va; /* virtual address for mapping */ - st_entry_t *pv_ptste; /* non-zero if VA maps a PT page */ - struct pmap *pv_ptpmap; /* if pv_ptste, pmap for PT page */ - int pv_flags; /* flags */ -}; - -#define PV_CI 0x01 /* header: all entries are cache inhibited */ -#define PV_PTPAGE 0x02 /* header: entry maps a page table page */ - -struct pv_page; - -struct pv_page_info { - TAILQ_ENTRY(pv_page) pgi_list; - struct pv_entry *pgi_freelist; - int pgi_nfree; -}; - -/* - * This is basically: - * ((NBPG - sizeof(struct pv_page_info)) / sizeof(struct pv_entry)) - */ -#define NPVPPG 170 - -struct pv_page { - struct pv_page_info pvp_pgi; - struct pv_entry pvp_pv[NPVPPG]; -}; +#include <m68k/pmap_motorola.h> #ifdef _KERNEL +void pmap_init_md __P((void)); +#define PMAP_INIT_MD() pmap_init_md() +#endif -extern struct pmap kernel_pmap_store; - -#define pmap_kernel() (&kernel_pmap_store) -#define active_pmap(pm) \ - ((pm) == pmap_kernel() || (pm) == curproc->p_vmspace->vm_map.pmap) -#define active_user_pmap(pm) \ - (curproc && \ - (pm) != pmap_kernel() && (pm) == curproc->p_vmspace->vm_map.pmap) - - -extern struct pv_entry *pv_table; /* array of entries, one per page */ - -#define pmap_page_index(pa) atop(pa - vm_first_phys) - -#define pmap_resident_count(pmap) ((pmap)->pm_stats.resident_count) -#define pmap_wired_count(pmap) ((pmap)->pm_stats.wired_count) -#define pmap_update() /* nothing */ - -extern pt_entry_t *Sysmap; -extern char *vmmap; /* map for mem, dumps, etc. */ -#endif /* _KERNEL */ - -#endif /* !_MVME68K_PMAP_H_ */ +#endif /* _MACHINE_PMAP_H_ */ diff --git a/sys/arch/mvme68k/include/pte.h b/sys/arch/mvme68k/include/pte.h index b5c2e6f7630..bf2f20714e4 100644 --- a/sys/arch/mvme68k/include/pte.h +++ b/sys/arch/mvme68k/include/pte.h @@ -1,152 +1,14 @@ -/* $OpenBSD: pte.h,v 1.4 1997/03/31 00:24:07 downsj Exp $ */ +/* $OpenBSD: pte.h,v 1.5 2001/11/30 20:58:18 miod Exp $ */ -/* - * Copyright (c) 1988 University of Utah. - * Copyright (c) 1982, 1986, 1990, 1993 - * 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 $Hdr: pte.h 1.13 92/01/20$ - * - * @(#)pte.h 8.1 (Berkeley) 6/10/93 - */ +#ifndef _MACHINE_PTE_H_ +#define _MACHINE_PTE_H_ -#ifndef _MVME68K_PTE_H_ -#define _MVME68K_PTE_H_ +#include <m68k/pte_motorola.h> -/* - * m68k hardware segment/page table entries - */ +#define MACHINE_STSIZE M68K_STSIZE +#define MACHINE_MAX_PTSIZE M68K_MAX_PTSIZE +#define MACHINE_MAX_KPTSIZE M68K_MAX_KPTSIZE +#define MACHINE_PTBASE M68K_PTBASE +#define MACHINE_PTMAXSIZE M68K_PTMAXSIZE -#if 0 -struct ste { - unsigned int sg_pfnum:20; /* page table frame number */ - unsigned int :8; /* reserved at 0 */ - unsigned int :1; /* reserved at 1 */ - unsigned int sg_prot:1; /* write protect bit */ - unsigned int sg_v:2; /* valid bits */ -}; - -struct ste40 { - unsigned int sg_ptaddr:24; /* page table page addr */ - unsigned int :4; /* reserved at 0 */ - unsigned int sg_u; /* hardware modified (dirty) bit */ - unsigned int sg_prot:1; /* write protect bit */ - unsigned int sg_v:2; /* valid bits */ -}; - -struct pte { - unsigned int pg_pfnum:20; /* page frame number or 0 */ - unsigned int :3; - unsigned int pg_w:1; /* is wired */ - unsigned int :1; /* reserved at zero */ - unsigned int pg_ci:1; /* cache inhibit bit */ - unsigned int :1; /* reserved at zero */ - unsigned int pg_m:1; /* hardware modified (dirty) bit */ - unsigned int pg_u:1; /* hardware used (reference) bit */ - unsigned int pg_prot:1; /* write protect bit */ - unsigned int pg_v:2; /* valid bit */ -}; -#endif - -typedef int st_entry_t; /* segment table entry */ -typedef int pt_entry_t; /* Mach page table entry */ - -#define PT_ENTRY_NULL ((pt_entry_t *) 0) -#define ST_ENTRY_NULL ((st_entry_t *) 0) - -#define SG_V 0x00000002 /* segment is valid */ -#define SG_NV 0x00000000 -#define SG_PROT 0x00000004 /* access protection mask */ -#define SG_RO 0x00000004 -#define SG_RW 0x00000000 -#define SG_U 0x00000008 /* modified bit (68040) */ -#define SG_FRAME 0xfffff000 -#define SG_IMASK 0xffc00000 -#define SG_ISHIFT 22 -#define SG_PMASK 0x003ff000 -#define SG_PSHIFT 12 - -/* 68040 additions */ -#define SG4_MASK1 0xfe000000 -#define SG4_SHIFT1 25 -#define SG4_MASK2 0x01fc0000 -#define SG4_SHIFT2 18 -#define SG4_MASK3 0x0003f000 -#define SG4_SHIFT3 12 -#define SG4_ADDR1 0xfffffe00 -#define SG4_ADDR2 0xffffff00 -#define SG4_LEV1SIZE 128 -#define SG4_LEV2SIZE 128 -#define SG4_LEV3SIZE 64 - -#define PG_V 0x00000001 -#define PG_NV 0x00000000 -#define PG_PROT 0x00000004 -#define PG_U 0x00000008 -#define PG_M 0x00000010 -#define PG_W 0x00000100 -#define PG_RO 0x00000004 -#define PG_RW 0x00000000 -#define PG_FRAME 0xfffff000 -#define PG_CI 0x00000040 -#define PG_SHIFT 12 -#define PG_PFNUM(x) (((x) & PG_FRAME) >> PG_SHIFT) - -/* 68040 additions */ -#define PG_CMASK 0x00000060 /* cache mode mask */ -#define PG_CWT 0x00000000 /* writethrough caching */ -#define PG_CCB 0x00000020 /* copyback caching */ -#define PG_CIS 0x00000040 /* cache inhibited serialized */ -#define PG_CIN 0x00000060 /* cache inhibited nonserialized */ -#define PG_SO 0x00000080 /* supervisor only */ - -#define M68K_STSIZE (MAXUL2SIZE*SG4_LEV2SIZE*sizeof(st_entry_t)) - /* user process segment table size */ -#define M68K_MAX_PTSIZE 0x400000 /* max size of UPT */ -#define M68K_MAX_KPTSIZE 0x100000 /* max memory to allocate to KPT */ -#define M68K_PTBASE 0x10000000 /* UPT map base address */ -#define M68K_PTMAXSIZE 0x70000000 /* UPT map maximum size */ - -/* - * Kernel virtual address to page table entry and to physical address. - */ -#define kvtopte(va) \ - (&Sysmap[((unsigned)(va) - VM_MIN_KERNEL_ADDRESS) >> PGSHIFT]) -#define ptetokv(pt) \ - ((((pt_entry_t *)(pt) - Sysmap) << PGSHIFT) + VM_MIN_KERNEL_ADDRESS) -#define kvtophys(va) \ - ((kvtopte(va)->pg_pfnum << PGSHIFT) | ((int)(va) & PGOFSET)) - -#endif /* !_MVME68K_PTE_H_ */ +#endif /* _MACHINE_PTE_H_ */ diff --git a/sys/arch/mvme68k/mvme68k/pmap_bootstrap.c b/sys/arch/mvme68k/mvme68k/pmap_bootstrap.c index ed8154a01f3..0747c1f6e58 100644 --- a/sys/arch/mvme68k/mvme68k/pmap_bootstrap.c +++ b/sys/arch/mvme68k/mvme68k/pmap_bootstrap.c @@ -1,4 +1,4 @@ -/* $OpenBSD: pmap_bootstrap.c,v 1.9 2001/11/25 18:13:37 miod Exp $ */ +/* $OpenBSD: pmap_bootstrap.c,v 1.10 2001/11/30 20:58:18 miod Exp $ */ /* * Copyright (c) 1995 Theo de Raadt @@ -360,10 +360,8 @@ register vm_offset_t firstpa; * iiomapsize pages prior to external IO space at end of static * kernel page table. */ - RELOC(intiobase, char *) = (char *) - m68k_ptob(nptpages*NPTEPG - (RELOC(iiomapsize, int)+EIOMAPSIZE)); - RELOC(intiolimit, char *) = (char *) - m68k_ptob(nptpages*NPTEPG - EIOMAPSIZE); + RELOC(intiobase, char *) = (char *)m68k_ptob(nptpages*NPTEPG - (RELOC(iiomapsize, int)+EIOMAPSIZE)); + RELOC(intiolimit, char *) = (char *)m68k_ptob(nptpages*NPTEPG - EIOMAPSIZE); /* * extiobase: base of external (DIO-II) IO space. * EIOMAPSIZE pages at the end of the static kernel page table. @@ -897,3 +895,22 @@ register vm_offset_t firstpa; RELOC(virtual_avail, vm_offset_t) = va; } } + +void +pmap_init_md() +{ + vaddr_t addr; + + /* + * mark as unavailable the regions which we have mapped in + * pmap_bootstrap(). + */ + addr = (vaddr_t) intiobase; + if (uvm_map(kernel_map, &addr, + m68k_ptob(iiomapsize+EIOMAPSIZE), + NULL, UVM_UNKNOWN_OFFSET, 0, + UVM_MAPFLAG(UVM_PROT_NONE, UVM_PROT_NONE, + UVM_INH_NONE, UVM_ADV_RANDOM, + UVM_FLAG_FIXED))) + panic("pmap_init: bogons in the VM system!\n"); +} |