diff options
author | Steve Murphree <smurph@cvs.openbsd.org> | 2001-06-26 21:58:11 +0000 |
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committer | Steve Murphree <smurph@cvs.openbsd.org> | 2001-06-26 21:58:11 +0000 |
commit | 416f561c78b0eca90fdb484e72a96080b0825dca (patch) | |
tree | d310db0254b85229b90b9d90e79cabfbbcb6101a /sys/arch/mvmeppc/include/pte.h | |
parent | 77682e0d8d22531ed2952aaab30aae7c69483b3d (diff) |
Initial import of mvmeppc.
Diffstat (limited to 'sys/arch/mvmeppc/include/pte.h')
-rw-r--r-- | sys/arch/mvmeppc/include/pte.h | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/sys/arch/mvmeppc/include/pte.h b/sys/arch/mvmeppc/include/pte.h new file mode 100644 index 00000000000..43becb6d73d --- /dev/null +++ b/sys/arch/mvmeppc/include/pte.h @@ -0,0 +1,113 @@ +/* $OpenBSD: pte.h,v 1.1 2001/06/26 21:57:48 smurph Exp $ */ +/* $NetBSD: pte.h,v 1.1 1996/09/30 16:34:32 ws Exp $ */ + +/*- + * Copyright (C) 1995, 1996 Wolfgang Solfrank. + * Copyright (C) 1995, 1996 TooLs GmbH. + * 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 TooLs GmbH. + * 4. The name of TooLs GmbH may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``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 TOOLS GMBH 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. + */ + +#ifndef _MACHINE_PTE_H_ +#define _MACHINE_PTE_H_ + +#include <sys/queue.h> + +/* + * Page Table Entries + */ +#ifndef _LOCORE +struct pte { + u_int pte_hi; + u_int pte_lo; +}; +#endif /* _LOCORE */ +/* High word: */ +#define PTE_VALID 0x80000000 +#define PTE_VSID_SHFT 7 +#define PTE_HID 0x00000040 +#define PTE_API 0x0000003f +/* Low word: */ +#define PTE_RPGN 0xfffff000 +#define PTE_REF 0x00000100 +#define PTE_CHG 0x00000080 +#define PTE_WIMG 0x00000078 +#define PTE_W 0x00000040 +#define PTE_I 0x00000020 +#define PTE_M 0x00000010 +#define PTE_G 0x00000008 +#define PTE_PP 0x00000003 +#define PTE_RO 0x00000003 +#define PTE_RW 0x00000002 + +#ifndef _LOCORE +typedef struct pte pte_t; +#endif /* _LOCORE */ + +/* + * Extract bits from address + */ +#define ADDR_SR_SHFT 28 +#define ADDR_PIDX 0x0ffff000 +#define ADDR_PIDX_SHFT 12 +#define ADDR_API_SHFT 22 +#define ADDR_POFF 0x00000fff + +#ifndef _LOCORE +#ifdef _KERNEL +extern pte_t *ptable; +extern int ptab_cnt; +#endif /* _KERNEL */ +#endif /* _LOCORE */ + +/* + * Bits in DSISR: + */ +#define DSISR_DIRECT 0x80000000 +#define DSISR_NOTFOUND 0x40000000 +#define DSISR_PROTECT 0x08000000 +#define DSISR_INVRX 0x04000000 +#define DSISR_STORE 0x02000000 +#define DSISR_DABR 0x00400000 +#define DSISR_SEGMENT 0x00200000 +#define DSISR_EAR 0x00100000 + +/* + * Bits in SRR1 on ISI: + */ +#define ISSRR1_NOTFOUND 0x40000000 +#define ISSRR1_DIRECT 0x10000000 +#define ISSRR1_PROTECT 0x08000000 +#define ISSRR1_SEGMENT 0x00200000 + +#ifdef _KERNEL +#ifndef _LOCORE +extern u_int dsisr __P((void)); +extern vm_offset_t dar __P((void)); +#endif /* _KERNEL */ +#endif /* _LOCORE */ +#endif /* _MACHINE_PTE_H_ */ |