150 lines
6.1 KiB
C
150 lines
6.1 KiB
C
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/* $NetBSD: data.h,v 1.1 1995/03/29 21:24:09 ragge Exp $ */
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/*
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* Copyright (c) 1995 Ludd, University of Lule}, Sweden.
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* All rights reserved.
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*
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* This code is derived from software contributed to Ludd by
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* Bertram Barth.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed at Ludd, University of
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* Lule}, Sweden and its contributors.
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/* All bugs are subject to removal without further notice */
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extern int bootregs[16];
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/*
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* "VAX/VMS Internals and Data Structures"
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* gives the following description of RPB on page 907 ff.
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*/
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#ifndef byte
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# define byte unsigned char
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#endif
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struct rpb { /* size description */
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long base; /* 4 physical base address of block */
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long restart; /* 4 physical address of EXE$RESTART */
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long chksum; /* 4 checksum of first 31 longwords of EXE$RESTART */
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long rststflg; /* 4 Restart in progress flag */
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long haltpc; /* 4 PC at HALT/restart */
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/* offset: 20 */
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long haltpsl; /* 4 PSL at HALT/restart */
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long haltcode; /* 4 reason for restart */
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long bootr0; /* 24 Saved bootstrap parameters (R0 through R5) */
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long bootr1;
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long bootr2;
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long bootr3;
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long bootr4;
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long bootr5;
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long iovec; /* 4 Address of bootstrap driver */
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long iovecsz; /* 4 Size (in bytes) of bootstrap driver */
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/* offset: 60 */
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long fillbn; /* 4 LBN of seconday bootstrap file */
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long filsiz; /* 4 Size (in blocks) of seconday bootstrap file */
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long pfnmap[2]; /* 8 Descriptor of PFN bitmap */
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long pfncnt; /* 4 Count of physical pages */
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/* offset: 80 */
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long svaspt; /* 4 system virtual address of system page table */
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long csrphy; /* 4 Physical Address of UBA device CSR */
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long csrvir; /* 4 Virtual Address of UBA device CSR */
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long adpphy; /* 4 Physical Address of adapter configurate reg. */
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long adpvir; /* 4 Virtual Address of adapter configurate reg. */
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/* offset: 100 */
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short unit; /* 2 Bootstrap device unit number */
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byte devtyp; /* 1 Bootstrap device type code */
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byte slave; /* 1 Bootstrap device slave unit number */
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char file[40]; /* 40 Secondary bootstrap file name */
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byte confreg[16]; /* 16 Byte array of adapter types */
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/* offset: 160 */
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#if 0
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byte hdrpgcnt; /* 1 Count of header pages in 2nd bootstrap image */
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short bootndt; /* 2 Type of boot adapter */
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byte flags; /* 1 Miscellaneous flag bits */
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#else
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long align; /* if the compiler doesnt proper alignment */
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#endif
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long max_pfn; /* 4 Absolute highest PFN */
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long sptep; /* 4 System space PTE prototype register */
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long sbr; /* 4 Saved system base register */
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long cpudbvec; /* 4 Physical address of per-CPU database vector */
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/* offset: 180 */
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long cca_addr; /* 4 Physical address of CCA */
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long slr; /* 4 Saved system length register */
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long memdesc[8]; /* 64 Longword array of memory descriptors */
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long smp_pc; /* 4 SMP boot page physical address */
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long wait; /* 4 Bugcheck loop code for attached processor */
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/* offset: 260 */
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long badpgs; /* 4 Number of bad pages found in memory scan */
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byte ctrlltr; /* 1 Controller letter designation */
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byte scbpagct; /* 1 SCB page count */
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byte reserved[6]; /* 6 -- */
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long vmb_revision; /* 4 VMB revision label */
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} ;
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extern struct rpb *rpb;
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/*
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* rpb->iovec gives pointer to this structure.
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*
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* bqo->unit_init() is used to initialize the controller,
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* bqo->qio() is used to read from boot-device/
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*/
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struct bqo {
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long qio; /* 4 QIO entry */
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long map; /* 4 Mapping entry */
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long select; /* 4 Selection entry */
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long drivrname; /* 4 Offset to driver name */
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short version; /* 2 Version number of VMB */
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short vercheck; /* 2 Check field */
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/* offset: 20 */
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long reselect; /* 4 Reselection entry */
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long move; /* 4 Move driver entry */
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long unit_init; /* 4 Unit initialization entry */
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long auxdrname; /* 4 Offset to auxiliary driver name */
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long umr_dis; /* 4 UNIBUS Map Registers to disable */
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/* offset: 40 */
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long ucode; /* 4 Absolute address of booting microcode */
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long unit_disc; /* 4 Unit disconnecting entry */
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long devname; /* 4 Offset to boot device name */
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long umr_tmpl; /* 4 UNIBUS map register template */
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/* offset: 60 */
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/*
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* the rest is unknown / unneccessary ...
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*/
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long xxx[6]; /* 24 -- total: 84 bytes */
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} ;
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extern struct bqo *bqo;
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/*
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* EOF
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*/
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