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#ifndef __SYS_H_LOADED
#define __SYS_H_LOADED
/*****************************************************************************
Copyright © 1993, 1994 Digital Equipment Corporation,
Maynard, Massachusetts.
All Rights Reserved
Permission to use, copy, modify, and distribute this software and its
documentation for any purpose and without fee is hereby granted, provided
that the copyright notice and this permission notice appear in all copies
of software and supporting documentation, and that the name of Digital not
be used in advertising or publicity pertaining to distribution of the software
without specific, written prior permission. Digital grants this permission
provided that you prominently mark, as not part of the original, any
modifications made to this software or documentation.
Digital Equipment Corporation disclaims all warranties and/or guarantees
with regard to this software, including all implied warranties of fitness for
a particular purpose and merchantability, and makes no representations
regarding the use of, or the results of the use of, the software and
documentation in terms of correctness, accuracy, reliability, currentness or
otherwise; and you rely on the software, documentation and results solely at
your own risk.
******************************************************************************/
/*
* $Id: sys.h,v 1.1.1.1 1997/10/30 23:27:17 verghese Exp $;
*/
/*
* $Log: sys.h,v $
* Revision 1.1.1.1 1997/10/30 23:27:17 verghese
* current 10/29/97
*
* Revision 1.3 1994/08/05 20:13:47 fdh
* Updated Copyright header and RCS $Id: identifier.
*
* Revision 1.2 1994/06/20 14:18:59 fdh
* Fixup header file preprocessor #include conditionals.
*
* Revision 1.1 1993/06/08 19:56:16 fdh
* Initial revision
*
*/
/*
**++
*****************************************************************************
** *
** Copyright (c) 1992 *
** by Digital Equipment Corporation, Maynard, Ma. *
** *
** This software is furnished under a license and may be used and copied *
** only in accordance with the terms of such license and with the *
** inclusion of the above copyright notice. This software or any other *
** copies thereof may not be provided or otherwise made available to any *
** other person. No title to and ownership of the software is hereby *
** transferred. *
** *
** The information in this software is subject to change without notice *
** and should not be construed as a commitment by Digital Equipment *
** Corporation. *
** *
** Digital assumes no responsibility for the use or reliability of its *
** software on equipment which is not supplied by Digital. *
** *
*****************************************************************************
**
** FACILITY:
**
** sys.h
**
** MODULE DESCRIPTION:
**
** DECchip 21064 Evaluation and Development System (ED64)
** specific definitions.
**
** CREATION DATE: 17-Nov-1992
**
** DESIGN ISSUES:
**
** {@tbs@}
**
** [@optional module tags@]...
**
** MODIFICATION HISTORY:
**
** Who When What
** ----- ----------- ---------------------------------------------
** ES 12-Jan-1993 Add SYS$K_HIER_CRE
** ES 14-Jan-1993 Add some impure area symbols
** ES 15-Jan-1993 Can't use # for comments on defines
** ES 20-Jan-1993 Put in intmask
** ES 27-Jan-1993 SYS$K_HIERW_CRE is covered by abox control
**--
*/
/*
**
** External cache (Bcache) definitions:
**
*/
#define BC$M_PA_DIS 0x000E /* Cache only 1st quadrant of PA space */
#define BC$M_SIZE 0x2000 /* External cache size = 512K bytes */
#define BC$M_WE_CTL4 0x0000 /* External cache write control */
#define BC$M_WE_CTL3 0x0000 /* Write pulse on 3rd, 4th & 5th cycle */
#define BC$M_WE_CTL2 0x0001
#define BC$M_WE_CTL1 0xC000
#define BC$M_WR_SPD 0x0600 /* External cache write speed = 7 cycles */
#define BC$M_RD_SPD 0x0040 /* External cache read speed = 5 cycles */
#define BC$M_ENA 0x0001 /* External cache enable */
/*
** We may want to move the BIU$M_INIT definitions to another module
** that contains user configurable options.
*/
#define BIU$M_INIT_47_32 BC$M_PA_DIS
#define BIU$M_INIT_31_16 BC$M_SIZE | \
BC$M_WE_CTL4 | \
BC$M_WE_CTL3 | \
BC$M_WE_CTL2
#define BIU$M_INIT_15_00 BC$M_WE_CTL1 | \
BC$M_WR_SPD | \
BC$M_RD_SPD | \
BC$M_ENA
/*
** Interrupt Mask
** ED64 specific IRQ pins are:
** IRQ0 PIC ipl <=2
** IRQ1 NMI disabled
** IRQ2 RTC ipl <= 4
*/
#define SYS$M_HIGHINTMASK 0x00000008
#define SYS$M_LOWINTMASK 0x080A0A0A
/*
**
** SCB offsets
**
*/
#define SCB$Q_PROCMCHK 0x0670 /* Offset for mchk */
#define SCB$Q_SYSERR 0x0620 /* Offset for sce */
/*
**
** Machine Check Rev level
**
*/
#define MCHK$K_REV 0x0001
/*
**
** Short logout frame
**
*/
#define LAS$Q_BASE 0x0000 /* Base relative to logout area */
#define LAS$L_FRAME 0x0000
#define LAS$L_FLAG 0x0004
#define LAS$L_CPU 0x0008
#define LAS$L_SYS 0x000C
#define LAS$Q_MCHK_CODE 0x0010
#define LAS$Q_BIU_STAT 0x0018
#define LAS$Q_BIU_ADDR 0x0020
#define LAS$Q_DC_STAT 0x0028
#define LAS$Q_FILL_SYNDROME 0x0030
#define LAS$Q_FILL_ADDR 0x0038
#define LAS$Q_BC_TAG 0x0040
#define LAS$K_SIZE 0x0048 /* Frame size */
/*
**
** Long logout frame
**
*/
#define LAF$Q_BASE LAS$K_SIZE /* Base relative to logout area */
#define LAF$L_FRAME 0x0000
#define LAF$L_FLAG 0x0004
#define LAF$L_CPU 0x0008
#define LAF$L_SYS 0x000C
#define LAF$Q_PT0 0x0010
#define LAF$Q_PT1 0x0018
#define LAF$Q_PT2 0x0020
#define LAF$Q_PT3 0x0028
#define LAF$Q_PT4 0x0030
#define LAF$Q_PT5 0x0038
#define LAF$Q_PT6 0x0040
#define LAF$Q_PT7 0x0048
#define LAF$Q_PT8 0x0050
#define LAF$Q_PT9 0x0058
#define LAF$Q_PT10 0x0060
#define LAF$Q_PT11 0x0068
#define LAF$Q_PT12 0x0070
#define LAF$Q_PT13 0x0078
#define LAF$Q_PT14 0x0080
#define LAF$Q_PT15 0x0088
#define LAF$Q_PT16 0x0090
#define LAF$Q_PT17 0x0098
#define LAF$Q_PT18 0x00A0
#define LAF$Q_PT19 0x00A8
#define LAF$Q_PT20 0x00B0
#define LAF$Q_PT21 0x00B8
#define LAF$Q_PT22 0x00C0
#define LAF$Q_PT23 0x00C8
#define LAF$Q_PT24 0x00D0
#define LAF$Q_PT25 0x00D8
#define LAF$Q_PT26 0x00E0
#define LAF$Q_PT27 0x00E8
#define LAF$Q_PT28 0x00F0
#define LAF$Q_PT29 0x00F8
#define LAF$Q_PT30 0x0100
#define LAF$Q_PT31 0x0108
#define LAF$Q_EXC_ADDR 0x0110
#define LAF$Q_PAL_BASE 0x0130
#define LAF$Q_HIER 0x0138
#define LAF$Q_HIRR 0x0140
#define LAF$Q_MM_CSR 0x0148
#define LAF$Q_DC_STAT 0x0150
#define LAF$Q_DC_ADDR 0x0158
#define LAF$Q_ABOX_CTL 0x0160
#define LAF$Q_BIU_STAT 0x0168
#define LAF$Q_BIU_ADDR 0x0170
#define LAF$Q_BIU_CTL 0x0178
#define LAF$Q_FILL_SYNDROME 0x0180
#define LAF$Q_FILL_ADDR 0x0188
#define LAF$Q_VA 0x0190
#define LAF$Q_BC_TAG 0x0198
#define LAF$K_SIZE 0x01A0 /* Frame size */
#define LAF$Q_SYS_BASE 0x01A0 /* Currently no system stuff */
/*
**
** Impure Area Offset Definitions
**
*/
#define IMP$Q_ABOX_CTL 0x0380
#define IMP$Q_BIU_CTL 0x0388
#define IMP$Q_LOGOUT_AREA 0x2000
#endif /* __SYS_H_LOADED */
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