diff options
Diffstat (limited to 'sys/arch/mvme88k/include/pte.h')
| -rw-r--r-- | sys/arch/mvme88k/include/pte.h | 138 |
1 files changed, 0 insertions, 138 deletions
diff --git a/sys/arch/mvme88k/include/pte.h b/sys/arch/mvme88k/include/pte.h deleted file mode 100644 index 7757aad7f07..00000000000 --- a/sys/arch/mvme88k/include/pte.h +++ /dev/null @@ -1,138 +0,0 @@ -/* $OpenBSD: pte.h,v 1.2 1999/02/09 06:36:27 smurph 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 _MVME88K_PTE_H_ -#define _MVME88K_PTE_H_ - -/* - * m88k hardware segment/page table entries - */ - -#if 0 /* FIXME */ -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 /* 0 */ - -#if 0 /* FIXME */ -typedef int st_entry_t; /* segment table entry */ -typedef int pt_entry_t; /* Mach page table entry */ -#endif /* 0 */ - -#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 - -#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) - -#if 0 /* FIXME */ -#define M88K_STSIZE (MAXUL2SIZE*SG4_LEV2SIZE*sizeof(st_entry_t)) - /* user process segment table size */ -#define M88K_MAX_PTSIZE 0x400000 /* max size of UPT */ -#define M88K_MAX_KPTSIZE 0x100000 /* max memory to allocate to KPT */ -#define M88K_PTBASE 0x10000000 /* UPT map base address */ -#define M88K_PTMAXSIZE 0x70000000 /* UPT map maximum size */ -#endif /* 0 */ - -/* - * Kernel virtual address to page table entry and to physical address. - */ - -#if 0 /* FIXME */ -#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 /* 0 */ - -#endif /* !_MVME88K_PTE_H_ */ |