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/* vaxmod_defs.h: VAX model-specific definitions file
Copyright (c) 1998-2006, Robert M Supnik
Permission is hereby granted, free of charge, to any person obtaining a
copy of this software and associated documentation files (the "Software"),
to deal in the Software without restriction, including without limitation
the rights to use, copy, modify, merge, publish, distribute, sublicense,
and/or sell copies of the Software, and to permit persons to whom the
Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
ROBERT M SUPNIK BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
Except as contained in this notice, the name of Robert M Supnik shall not be
used in advertising or otherwise to promote the sale, use or other dealings
in this Software without prior written authorization from Robert M Supnik.
17-May-06 RMS Added CR11/CD11 support
10-May-06 RMS Added NOP'd reserved operand checking macros
05-Oct-05 RMS Added XU definitions for autoconfigure
15-Jun-05 RMS Added QDSS support
12-Sep-04 RMS Removed map_address prototype
16-Jun-04 RMS Added DHQ11 support
21-Mar-04 RMS Added RXV21 support
25-Jan-04 RMS Removed local debug logging support
RMS,MP Added "KA655X" support
29-Dec-03 RMS Added Q18 definition for PDP11 compatibility
22-Dec-02 RMS Added BDR halt enable definition
11-Nov-02 RMS Added log bits for XQ
10-Oct-02 RMS Added DEQNA/DELQA, multiple RQ, autoconfigure support
29-Sep-02 RMS Revamped bus support macros
06-Sep-02 RMS Added TMSCP support
14-Jul-02 RMS Added additional console halt codes
28-Apr-02 RMS Fixed DZV vector base and number of lines
This file covers the KA65x ("Mayfair") series of CVAX-based Qbus systems.
The simulator defines an extended physical memory variant of the KA655,
called the KA655X. It has a maximum memory size of 512MB instead of 64MB.
System memory map
0000 0000 - 03FF FFFF main memory (KA655)
0400 0000 - 0FFF FFFF reserved (KA655), main memory (KA655X)
1000 0000 - 13FF FFFF cache diagnostic space (KA655), main memory (KA655X)
1400 0000 - 1FFF FFFF reserved (KA655), main memory (KA655X)
2000 0000 - 2000 1FFF Qbus I/O page
2000 2000 - 2003 FFFF reserved
2004 0000 - 2005 FFFF ROM space, halt protected
2006 0000 - 2007 FFFF ROM space, halt unprotected
2008 0000 - 201F FFFF Local register space
2020 0000 - 2FFF FFFF reserved
3000 0000 - 303F FFFF Qbus memory space
3400 0000 - 3FFF FFFF reserved
*/
#ifdef FULL_VAX /* subset VAX */
#undef FULL_VAX
#endif
#ifndef _VAXMOD_DEFS_H_
#define _VAXMOD_DEFS_H_ 1
/* Microcode constructs */
#define CVAX_SID (10 << 24) /* system ID */
#define CVAX_UREV 6 /* ucode revision */
#define CON_HLTPIN 0x0200 /* external CPU halt */
#define CON_PWRUP 0x0300 /* powerup code */
#define CON_HLTINS 0x0600 /* HALT instruction */
#define CON_BADPSL 0x4000 /* invalid PSL flag */
#define CON_MAPON 0x8000 /* mapping on flag */
#define MCHK_TBM_P0 0x05 /* PPTE in P0 */
#define MCHK_TBM_P1 0x06 /* PPTE in P1 */
#define MCHK_M0_P0 0x07 /* PPTE in P0 */
#define MCHK_M0_P1 0x08 /* PPTE in P1 */
#define MCHK_INTIPL 0x09 /* invalid ireq */
#define MCHK_READ 0x80 /* read check */
#define MCHK_WRITE 0x82 /* write check */
/* Machine specific IPRs */
#define MT_CADR 37
#define MT_MSER 39
#define MT_CONPC 42
#define MT_CONPSL 43
#define MT_IORESET 55
/* Memory system error register */
#define MSER_HM 0x80 /* hit/miss */
#define MSER_CPE 0x40 /* CDAL par err */
#define MSER_CPM 0x20 /* CDAL mchk */
/* Cache disable register */
#define CADR_RW 0xF3
#define CADR_MBO 0x0C
/* Memory */
#define MAXMEMWIDTH 26 /* max mem, std KA655 */
#define MAXMEMSIZE (1 << MAXMEMWIDTH) /* max mem size */
#define MAXMEMWIDTH_X 29 /* max mem, KA655X */
#define MAXMEMSIZE_X (1 << MAXMEMWIDTH_X)
#define INITMEMSIZE (1 << 24) /* initial memory size */
#define MEMSIZE (cpu_unit.capac)
#define ADDR_IS_MEM(x) (((uint32) (x)) < MEMSIZE)
/* Cache diagnostic space */
#define CDAAWIDTH 16 /* cache dat addr width */
#define CDASIZE (1u << CDAAWIDTH) /* cache dat length */
#define CDAMASK (CDASIZE - 1) /* cache dat mask */
#define CTGAWIDTH 10 /* cache tag addr width */
#define CTGSIZE (1u << CTGAWIDTH) /* cache tag length */
#define CTGMASK (CTGSIZE - 1) /* cache tag mask */
#define CDGSIZE (CDASIZE * CTGSIZE) /* diag addr length */
#define CDGBASE 0x10000000 /* diag addr base */
#define CDG_GETROW(x) (((x) & CDAMASK) >> 2)
#define CDG_GETTAG(x) (((x) >> CDAAWIDTH) & CTGMASK)
#define CTG_V (1u << (CTGAWIDTH + 0)) /* tag valid */
#define CTG_WP (1u << (CTGAWIDTH + 1)) /* wrong parity */
#define ADDR_IS_CDG(x) ((((uint32) (x)) >= CDGBASE) && \
(((uint32) (x)) < (CDGBASE + CDGSIZE)))
/* Qbus I/O registers */
#define IOPAGEAWIDTH 13 /* IO addr width */
#define IOPAGESIZE (1u << IOPAGEAWIDTH) /* IO page length */
#define IOPAGEMASK (IOPAGESIZE - 1) /* IO addr mask */
#define IOPAGEBASE 0x20000000 /* IO page base */
#define ADDR_IS_IO(x) ((((uint32) (x)) >= IOPAGEBASE) && \
(((uint32) (x)) < (IOPAGEBASE + IOPAGESIZE)))
/* Read only memory - appears twice */
#define ROMAWIDTH 17 /* ROM addr width */
#define ROMSIZE (1u << ROMAWIDTH) /* ROM length */
#define ROMAMASK (ROMSIZE - 1) /* ROM addr mask */
#define ROMBASE 0x20040000 /* ROM base */
#define ADDR_IS_ROM(x) ((((uint32) (x)) >= ROMBASE) && \
(((uint32) (x)) < (ROMBASE + ROMSIZE + ROMSIZE)))
/* Local register space */
#define REGAWIDTH 19 /* REG addr width */
#define REGSIZE (1u << REGAWIDTH) /* REG length */
#define REGBASE 0x20080000 /* REG addr base */
/* KA655 board registers */
#define KAAWIDTH 3 /* KA reg width */
#define KASIZE (1u << KAAWIDTH) /* KA reg length */
#define KABASE (REGBASE + 0x4000) /* KA650 addr base */
/* CQBIC registers */
#define CQBICSIZE (5 << 2) /* 5 registers */
#define CQBICBASE (REGBASE) /* CQBIC addr base */
#define CQMAPASIZE 15 /* map addr width */
#define CQMAPSIZE (1u << CQMAPASIZE) /* map length */
#define CQMAPAMASK (CQMAPSIZE - 1) /* map addr mask */
#define CQMAPBASE (REGBASE + 0x8000) /* map addr base */
#define CQIPCSIZE 2 /* 2 bytes only */
#define CQIPCBASE (REGBASE + 0x1F40) /* ipc reg addr */
/* CMCTL registers */
/* #define CMCTLSIZE (18 << 2) /* 18 registers */
#define CMCTLSIZE (19 << 2) /* KA655X extra reg */
#define CMCTLBASE (REGBASE + 0x100) /* CMCTL addr base */
/* SSC registers */
#define SSCSIZE 0x150 /* SSC size */
#define SSCBASE 0x20140000 /* SSC base */
/* Non-volatile RAM - 1KB long */
#define NVRAWIDTH 10 /* NVR addr width */
#define NVRSIZE (1u << NVRAWIDTH) /* NVR length */
#define NVRAMASK (NVRSIZE - 1) /* NVR addr mask */
#define NVRBASE 0x20140400 /* NVR base */
#define ADDR_IS_NVR(x) ((((uint32) (x)) >= NVRBASE) && \
(((uint32) (x)) < (NVRBASE + NVRSIZE)))
/* CQBIC Qbus memory space (seen from CVAX) */
#define CQMAWIDTH 22 /* Qmem addr width */
#define CQMSIZE (1u << CQMAWIDTH) /* Qmem length */
#define CQMAMASK (CQMSIZE - 1) /* Qmem addr mask */
#define CQMBASE 0x30000000 /* Qmem base */
/* Machine specific reserved operand tests (all NOPs) */
#define ML_PA_TEST(r)
#define ML_LR_TEST(r)
#define ML_BR_TEST(r)
#define LP_AST_TEST(r)
#define LP_MBZ84_TEST(r)
#define LP_MBZ92_TEST(r)
/* Qbus I/O modes */
#define READ 0 /* PDP-11 compatibility */
#define WRITE (L_WORD)
#define WRITEB (L_BYTE)
/* Common CSI flags */
#define CSR_V_GO 0 /* go */
#define CSR_V_IE 6 /* interrupt enable */
#define CSR_V_DONE 7 /* done */
#define CSR_V_BUSY 11 /* busy */
#define CSR_V_ERR 15 /* error */
#define CSR_GO (1u << CSR_V_GO)
#define CSR_IE (1u << CSR_V_IE)
#define CSR_DONE (1u << CSR_V_DONE)
#define CSR_BUSY (1u << CSR_V_BUSY)
#define CSR_ERR (1u << CSR_V_ERR)
/* Timers */
#define TMR_CLK 0 /* 100Hz clock */
/* I/O system definitions */
#define DZ_MUXES 4 /* max # of DZV muxes */
#define DZ_LINES 4 /* lines per DZV mux */
#define VH_MUXES 4 /* max # of DHQ muxes */
#define MT_MAXFR (1 << 16) /* magtape max rec */
#define AUTO_LNT 34 /* autoconfig ranks */
#define DEV_V_UBUS (DEV_V_UF + 0) /* Unibus */
#define DEV_V_QBUS (DEV_V_UF + 1) /* Qbus */
#define DEV_V_Q18 (DEV_V_UF + 2) /* Qbus, mem <= 256KB */
#define DEV_V_FLTA (DEV_V_UF + 3) /* flt addr */
#define DEV_UBUS (1u << DEV_V_UBUS)
#define DEV_QBUS (1u << DEV_V_QBUS)
#define DEV_Q18 (1u << DEV_V_Q18)
#define DEV_FLTA (1u << DEV_V_FLTA)
#define UNIBUS FALSE /* 22b only */
#define DEV_RDX 16 /* default device radix */
/* Device information block */
#define VEC_DEVMAX 4 /* max device vec */
typedef struct {
uint32 ba; /* base addr */
uint32 lnt; /* length */
t_stat (*rd)(int32 *dat, int32 ad, int32 md);
t_stat (*wr)(int32 dat, int32 ad, int32 md);
int32 vnum; /* vectors: number */
int32 vloc; /* locator */
int32 vec; /* value */
int32 (*ack[VEC_DEVMAX])(void); /* ack routine */
} DIB;
/* I/O page layout - RQB,RQC,RQD float based on number of DZ's */
#define IOBA_DZ (IOPAGEBASE + 000100) /* DZ11 */
#define IOLN_DZ 010
#define IOBA_RQB (IOPAGEBASE + 000334 + (020 * (DZ_MUXES / 2)))
#define IOLN_RQB 004
#define IOBA_RQC (IOPAGEBASE + IOBA_RQB + IOLN_RQB)
#define IOLN_RQC 004
#define IOBA_RQD (IOPAGEBASE + IOBA_RQC + IOLN_RQC)
#define IOLN_RQD 004
#define IOBA_VH (IOPAGEBASE + 000440) /* DHQ11 */
#define IOLN_VH 020
#define IOBA_RQ (IOPAGEBASE + 012150) /* RQDX3 */
#define IOLN_RQ 004
#define IOBA_TS (IOPAGEBASE + 012520) /* TS11 */
#define IOLN_TS 004
#define IOBA_RL (IOPAGEBASE + 014400) /* RL11 */
#define IOLN_RL 012
#define IOBA_XQ (IOPAGEBASE + 014440) /* DEQNA/DELQA */
#define IOLN_XQ 020
#define IOBA_XQB (IOPAGEBASE + 014460) /* 2nd DEQNA/DELQA */
#define IOLN_XQB 020
#define IOBA_TQ (IOPAGEBASE + 014500) /* TMSCP */
#define IOLN_TQ 004
#define IOBA_XU (IOPAGEBASE + 014510) /* DEUNA/DELUA */
#define IOLN_XU 010
#define IOBA_RP (IOPAGEBASE + 016700) /* RP/RM */
#define IOLN_RP 054
#define IOBA_CR (IOPAGEBASE + 017160) /* CD/CR/CM */
#define IOLN_CR 010
#define IOBA_RX (IOPAGEBASE + 017170) /* RXV11 */
#define IOLN_RX 004
#define IOBA_RY (IOPAGEBASE + 017170) /* RXV21 */
#define IOLN_RY 004
#define IOBA_QDSS (IOPAGEBASE + 017400) /* QDSS */
#define IOLN_QDSS 002
#define IOBA_DBL (IOPAGEBASE + 017500) /* doorbell */
#define IOLN_DBL 002
#define IOBA_LPT (IOPAGEBASE + 017514) /* LP11 */
#define IOLN_LPT 004
#define IOBA_PTR (IOPAGEBASE + 017550) /* PC11 reader */
#define IOLN_PTR 004
#define IOBA_PTP (IOPAGEBASE + 017554) /* PC11 punch */
#define IOLN_PTP 004
/* The KA65x maintains 4 separate hardware IPL levels, IPL 17 to IPL 14
Within each IPL, priority is right to left
*/
/* IPL 17 */
/* IPL 16 */
#define INT_V_CLK 0 /* clock */
/* IPL 15 */
#define INT_V_RQ 0 /* RQDX3 */
#define INT_V_RL 1 /* RLV12/RL02 */
#define INT_V_DZRX 2 /* DZ11 */
#define INT_V_DZTX 3
#define INT_V_RP 4 /* RP,RM drives */
#define INT_V_TS 5 /* TS11/TSV05 */
#define INT_V_TQ 6 /* TMSCP */
#define INT_V_XQ 7 /* DEQNA/DELQA */
#define INT_V_RY 8 /* RXV21 */
/* IPL 14 */
#define INT_V_TTI 0 /* console */
#define INT_V_TTO 1
#define INT_V_PTR 2 /* PC11 */
#define INT_V_PTP 3
#define INT_V_LPT 4 /* LP11 */
#define INT_V_CSI 5 /* SSC cons UART */
#define INT_V_CSO 6
#define INT_V_TMR0 7 /* SSC timers */
#define INT_V_TMR1 8
#define INT_V_VHRX 9 /* DHQ11 */
#define INT_V_VHTX 10
#define INT_V_QDSS 11 /* QDSS */
#define INT_V_CR 12
#define INT_CLK (1u << INT_V_CLK)
#define INT_RQ (1u << INT_V_RQ)
#define INT_RL (1u << INT_V_RL)
#define INT_DZRX (1u << INT_V_DZRX)
#define INT_DZTX (1u << INT_V_DZTX)
#define INT_RP (1u << INT_V_RP)
#define INT_TS (1u << INT_V_TS)
#define INT_TQ (1u << INT_V_TQ)
#define INT_XQ (1u << INT_V_XQ)
#define INT_RY (1u << INT_V_RY)
#define INT_TTI (1u << INT_V_TTI)
#define INT_TTO (1u << INT_V_TTO)
#define INT_PTR (1u << INT_V_PTR)
#define INT_PTP (1u << INT_V_PTP)
#define INT_LPT (1u << INT_V_LPT)
#define INT_CSI (1u << INT_V_CSI)
#define INT_CSO (1u << INT_V_CSO)
#define INT_TMR0 (1u << INT_V_TMR0)
#define INT_TMR1 (1u << INT_V_TMR1)
#define INT_VHRX (1u << INT_V_VHRX)
#define INT_VHTX (1u << INT_V_VHTX)
#define INT_QDSS (1u << INT_V_QDSS)
#define INT_CR (1u << INT_V_CR)
#define IPL_CLK (0x16 - IPL_HMIN) /* relative IPL */
#define IPL_RQ (0x15 - IPL_HMIN)
#define IPL_RL (0x15 - IPL_HMIN)
#define IPL_DZRX (0x15 - IPL_HMIN)
#define IPL_DZTX (0x15 - IPL_HMIN)
#define IPL_RP (0x15 - IPL_HMIN)
#define IPL_TS (0x15 - IPL_HMIN)
#define IPL_TQ (0x15 - IPL_HMIN)
#define IPL_XQ (0x15 - IPL_HMIN)
#define IPL_RY (0x15 - IPL_HMIN)
#define IPL_TTI (0x14 - IPL_HMIN)
#define IPL_TTO (0x14 - IPL_HMIN)
#define IPL_PTR (0x14 - IPL_HMIN)
#define IPL_PTP (0x14 - IPL_HMIN)
#define IPL_LPT (0x14 - IPL_HMIN)
#define IPL_CSI (0x14 - IPL_HMIN)
#define IPL_CSO (0x14 - IPL_HMIN)
#define IPL_TMR0 (0x14 - IPL_HMIN)
#define IPL_TMR1 (0x14 - IPL_HMIN)
#define IPL_VHRX (0x14 - IPL_HMIN)
#define IPL_VHTX (0x14 - IPL_HMIN)
#define IPL_QDSS (0x14 - IPL_HMIN)
#define IPL_CR (0x14 - IPL_HMIN)
#define IPL_HMAX 0x17 /* highest hwre level */
#define IPL_HMIN 0x14 /* lowest hwre level */
#define IPL_HLVL (IPL_HMAX - IPL_HMIN + 1) /* # hardware levels */
#define IPL_SMAX 0xF /* highest swre level */
/* Device vectors */
#define VEC_Q 0x200 /* Qbus vector offset */
#define VEC_PTR (VEC_Q + 0070)
#define VEC_PTP (VEC_Q + 0074)
#define VEC_XQ (VEC_Q + 0120)
#define VEC_XU (VEC_Q + 0120)
#define VEC_RQ (VEC_Q + 0154)
#define VEC_RL (VEC_Q + 0160)
#define VEC_LPT (VEC_Q + 0200)
#define VEC_TS (VEC_Q + 0224)
#define VEC_CR (VEC_Q + 0230)
#define VEC_RP (VEC_Q + 0254)
#define VEC_TQ (VEC_Q + 0260)
#define VEC_RX (VEC_Q + 0264)
#define VEC_RY (VEC_Q + 0264)
#define VEC_DZRX (VEC_Q + 0300)
#define VEC_DZTX (VEC_Q + 0304)
#define VEC_VHRX (VEC_Q + 0310)
#define VEC_VHTX (VEC_Q + 0314)
/* Interrupt macros */
#define IVCL(dv) ((IPL_##dv * 32) + INT_V_##dv)
#define IREQ(dv) int_req[IPL_##dv]
#define SET_INT(dv) int_req[IPL_##dv] = int_req[IPL_##dv] | (INT_##dv)
#define CLR_INT(dv) int_req[IPL_##dv] = int_req[IPL_##dv] & ~(INT_##dv)
#define IORETURN(f,v) ((f)? (v): SCPE_OK) /* cond error return */
/* Logging */
#define LOG_CPU_I 0x1 /* intexc */
#define LOG_CPU_R 0x2 /* REI */
#define LOG_CPU_P 0x4 /* context */
/* Function prototypes for I/O */
int32 Map_ReadB (uint32 ba, int32 bc, uint8 *buf);
int32 Map_ReadW (uint32 ba, int32 bc, uint16 *buf);
int32 Map_WriteB (uint32 ba, int32 bc, uint8 *buf);
int32 Map_WriteW (uint32 ba, int32 bc, uint16 *buf);
t_stat set_addr (UNIT *uptr, int32 val, char *cptr, void *desc);
t_stat show_addr (FILE *st, UNIT *uptr, int32 val, void *desc);
t_stat set_addr_flt (UNIT *uptr, int32 val, char *cptr, void *desc);
t_stat set_vec (UNIT *uptr, int32 val, char *cptr, void *desc);
t_stat show_vec (FILE *st, UNIT *uptr, int32 val, void *desc);
t_stat auto_config (char *name, int32 num);
#endif