diff options
author | Miod Vallat <miod@cvs.openbsd.org> | 2002-02-23 00:31:12 +0000 |
---|---|---|
committer | Miod Vallat <miod@cvs.openbsd.org> | 2002-02-23 00:31:12 +0000 |
commit | 5a5cf4aab99fd34e3bf7b4c8c8dc77c75f398274 (patch) | |
tree | 6ecf4b4fb042c7e41bc33f9a549985d5ba66d700 /sys/arch/amiga/include | |
parent | 70626d64a64c263da78625c977fa384d28771e97 (diff) |
Bring back pmap_motorola in service for amiga, too.
Diffstat (limited to 'sys/arch/amiga/include')
-rw-r--r-- | sys/arch/amiga/include/cpu.h | 4 | ||||
-rw-r--r-- | sys/arch/amiga/include/param.h | 11 | ||||
-rw-r--r-- | sys/arch/amiga/include/pmap.h | 141 | ||||
-rw-r--r-- | sys/arch/amiga/include/pte.h | 89 |
4 files changed, 18 insertions, 227 deletions
diff --git a/sys/arch/amiga/include/cpu.h b/sys/arch/amiga/include/cpu.h index 518399a7f95..1c121dcbbae 100644 --- a/sys/arch/amiga/include/cpu.h +++ b/sys/arch/amiga/include/cpu.h @@ -1,4 +1,4 @@ -/* $OpenBSD: cpu.h,v 1.17 2001/12/20 19:02:26 miod Exp $ */ +/* $OpenBSD: cpu.h,v 1.18 2002/02/23 00:31:11 miod Exp $ */ /* $NetBSD: cpu.h,v 1.36 1996/09/11 00:11:42 thorpej Exp $ */ /* @@ -184,12 +184,10 @@ struct fpframe; struct user; struct pcb; -void clearseg __P((vm_offset_t)); void doboot __P((void)) __attribute__((__noreturn__)); void loadustp __P((int)); void m68881_save __P((struct fpframe *)); void m68881_restore __P((struct fpframe *)); -void physcopyseg __P((vm_offset_t, vm_offset_t)); u_int probeva __P((u_int, u_int)); void proc_trampoline __P((void)); void savectx __P((struct pcb *)); diff --git a/sys/arch/amiga/include/param.h b/sys/arch/amiga/include/param.h index 656303d5957..90c46449d87 100644 --- a/sys/arch/amiga/include/param.h +++ b/sys/arch/amiga/include/param.h @@ -1,4 +1,4 @@ -/* $OpenBSD: param.h,v 1.19 2001/12/20 19:02:26 miod Exp $ */ +/* $OpenBSD: param.h,v 1.20 2002/02/23 00:31:11 miod Exp $ */ /* $NetBSD: param.h,v 1.35 1997/07/10 08:22:36 veego Exp $ */ /* @@ -60,15 +60,6 @@ #define KERNBASE 0x00000000 /* start of kernel virtual */ -#define SEGSHIFT 24 /* LOG2(NBSEG) [68030 value] */ -/* bytes/segment */ -/* (256 * (1 << PGSHIFT)) == (1 << SEGSHIFT) */ -#define NBSEG ((mmutype == MMU_68040) \ - ? (32 * (1 << PGSHIFT)) : (256 * (1 << PGSHIFT))) -#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))) diff --git a/sys/arch/amiga/include/pmap.h b/sys/arch/amiga/include/pmap.h index a4fa87f48f6..e1a34c9d9dd 100644 --- a/sys/arch/amiga/include/pmap.h +++ b/sys/arch/amiga/include/pmap.h @@ -1,142 +1,13 @@ -/* $OpenBSD: pmap.h,v 1.11 2001/12/20 19:02:26 miod Exp $ */ -/* $NetBSD: pmap.h,v 1.17 1997/06/10 18:34:52 veego Exp $ */ +/* $OpenBSD: pmap.h,v 1.12 2002/02/23 00:31:11 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. - * - * @(#)pmap.h 7.6 (Berkeley) 5/10/91 - */ #ifndef _MACHINE_PMAP_H_ #define _MACHINE_PMAP_H_ -/* - * 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 */ - u_int *pm_stpa; /* 040: ST phys addr */ - short pm_sref; /* segment table ref count */ - short pm_count; /* pmap reference count */ - long pm_ptpages; /* more stats: PT pages */ - struct simplelock pm_lock; /* lock on pmap */ - struct pmap_statistics pm_stats; /* pmap statistics */ -}; - -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. 16 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 16 -#define l2tobm(n) (1 << (n)) -#define bmtol2(n) (ffs(n) - 1) - -/* - * Macros for speed - */ -#define PMAP_ACTIVATE(pmap, loadhw) \ -{ \ - if ((loadhw)) \ - loadustp(m68k_btop((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 */ - vm_offset_t pv_va; /* virtual address for mapping */ - u_int *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 340 - -struct pv_page { - struct pv_page_info pvp_pgi; - struct pv_entry pvp_pv[NPVPPG]; -}; +#include <m68k/pmap_motorola.h> #ifdef _KERNEL -pv_entry_t pv_table; /* array of entries, one per page */ -u_int *Sysmap; -char *vmmap; /* map for mem, dumps, etc. */ -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) - -#define pmap_resident_count(pmap) ((pmap)->pm_stats.resident_count) -#define pmap_wired_count(pmap) ((pmap)->pm_stats.wired_count) -#define pmap_update(pmap) /* nothing */ - -#endif /* _KERNEL */ +void pmap_init_md __P((void)); +#define PMAP_INIT_MD() pmap_init_md() +#endif -#endif /* !_MACHINE_PMAP_H_ */ +#endif /* _MACHINE_PMAP_H_ */ diff --git a/sys/arch/amiga/include/pte.h b/sys/arch/amiga/include/pte.h index a5acfc91685..fbde5180950 100644 --- a/sys/arch/amiga/include/pte.h +++ b/sys/arch/amiga/include/pte.h @@ -1,5 +1,4 @@ -/* $OpenBSD: pte.h,v 1.5 2001/12/20 19:02:26 miod Exp $ */ -/* $NetBSD: pte.h,v 1.14 1995/09/29 13:52:09 chopps Exp $ */ +/* $OpenBSD: pte.h,v 1.6 2002/02/23 00:31:11 miod Exp $ */ /* * Copyright (c) 1988 University of Utah. @@ -45,72 +44,8 @@ #ifndef _MACHINE_PTE_H_ #define _MACHINE_PTE_H_ -/* - * AMIGA hardware segment/page table entries - */ - -struct pte { - u_int pte; -}; -typedef u_int pt_entry_t; /* Mach page table entry */ - -struct ste { - u_int ste; -}; -typedef u_int st_entry_t; /* segment 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 0xffffe000 -#define SG_IMASK 0xff000000 -#define SG_ISHIFT 24 -#define SG_PMASK 0x00ffe000 -#define SG_PSHIFT 13 +#include <m68k/pte_motorola.h> -/* 68040 additions */ -#define SG4_MASK1 0xfe000000 /* pointer table 1 index mask */ -#define SG4_SHIFT1 25 -#define SG4_MASK2 0x01fc0000 /* pointer table 2 index mask */ -#define SG4_SHIFT2 18 -#define SG4_MASK3 0x0003e000 /* page table index mask */ -#define SG4_SHIFT3 13 -#define SG4_ADDR1 0xfffffe00 /* pointer table address mask */ -#define SG4_ADDR2 0xffffff80 /* page table address mask */ -#define SG4_LEV1SIZE 128 /* entries in pointer table 1 */ -#define SG4_LEV2SIZE 128 /* entries in pointer table 2 */ -#define SG4_LEV3SIZE 32 /* entries in page table */ - -#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 0xffffe000 -#define PG_CI 0x00000040 -#define PG_SHIFT 13 -#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 AMIGA_040RTSIZE 512 /* root (level 1) table size */ -#define AMIGA_040STSIZE 512 /* segment (level 2) table size */ -#define AMIGA_040PTSIZE 128 /* page (level 3) table size */ #if 0 #define AMIGA_STSIZE 1024 /* segment table size */ #else @@ -125,9 +60,10 @@ typedef u_int st_entry_t; /* segment table entry */ * AMIGA_MAX_KPTSIZE the most number of bytes for kpt pages * AMIGA_MAX_PTSIZE the number of bytes to map everything */ +extern vaddr_t amiga_uptbase; #define AMIGA_MAX_COREUPT 1024 #define AMIGA_UPTSIZE roundup(VM_MAXUSER_ADDRESS / NPTEPG, NBPG) -#define AMIGA_UPTBASE 0x10000000 +#define AMIGA_UPTBASE amiga_uptbase #define AMIGA_UPTMAXSIZE \ roundup((AMIGA_MAX_COREUPT * AMIGA_UPTSIZE), NBPG) #define AMIGA_MAX_KPTSIZE \ @@ -136,15 +72,10 @@ typedef u_int st_entry_t; /* segment table entry */ roundup((VM_MAX_KERNEL_ADDRESS - VM_MIN_KERNEL_ADDRESS) / NPTEPG, NBPG) #define AMIGA_MAX_PTSIZE roundup(0xffffffff / NPTEPG, NBPG) -/* - * 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) \ - ((((u_int *)(pt) - Sysmap) << PGSHIFT) + VM_MIN_KERNEL_ADDRESS) -#define kvtophys(va) \ - ((kvtopte(va)->pg_pfnum << PGSHIFT) | ((int)(va) & PGOFSET)) - +#define MACHINE_STSIZE AMIGA_STSIZE +#define MACHINE_MAX_PTSIZE AMIGA_MAX_PTSIZE +#define MACHINE_MAX_KPTSIZE AMIGA_MAX_KPTSIZE +#define MACHINE_PTBASE AMIGA_UPTBASE +#define MACHINE_PTMAXSIZE AMIGA_UPTMAXSIZE -#endif /* !_MACHINE_PTE_H_ */ +#endif /* _MACHINE_PTE_H_ */ |