/* vaxmod_defs.h: VAX model-specific definitions file | |
Copyright (c) 1998-2013, 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 | |
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in this Software without prior written authorization from Robert M Supnik. | |
20-Dec-13 RMS Added prototypes for unaligned IO and register handling | |
11-Dec-11 RMS Moved all Qbus devices to BR4; deleted RP definitions | |
25-Nov-11 RMS Added VEC_QBUS definition | |
29-Apr-07 RMS Separated checks for PxBR and SBR | |
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 | |
#define MT_MAX 63 /* last valid IPR */ | |
/* 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) | |
#define MEM_MODIFIERS { UNIT_MSIZE, (1u << 24), NULL, "16M", &cpu_set_size, NULL, NULL, "Set Memory to 16M bytes" }, \ | |
{ UNIT_MSIZE, (1u << 25), NULL, "32M", &cpu_set_size, NULL, NULL, "Set Memory to 32M bytes" }, \ | |
{ UNIT_MSIZE, (1u << 25) + (1u << 24), NULL, "48M", &cpu_set_size, NULL, NULL, "Set Memory to 48M bytes" }, \ | |
{ UNIT_MSIZE, (1u << 26), NULL, "64M", &cpu_set_size, NULL, NULL, "Set Memory to 64M bytes" }, \ | |
{ UNIT_MSIZE, (1u << 27), NULL, "128M", &cpu_set_size, NULL, NULL, "Set Memory to 128M bytes" }, \ | |
{ UNIT_MSIZE, (1u << 28), NULL, "256M", &cpu_set_size, NULL, NULL, "Set Memory to 256M bytes" }, \ | |
{ UNIT_MSIZE, (1u << 29), NULL, "512M", &cpu_set_size, NULL, NULL, "Set Memory to 512M bytes" }, \ | |
{ MTAB_XTD|MTAB_VDV|MTAB_NMO, 0, "MEMORY", NULL, NULL, &cpu_show_memory, NULL, "Display memory configuration" } | |
extern t_stat cpu_show_memory (FILE* st, UNIT* uptr, int32 val, void* desc); | |
#define CPU_MODEL_MODIFIERS { MTAB_XTD|MTAB_VDV, 0, "MODEL", "MODEL={VAXServer|MicroVAX}", \ | |
&cpu_set_model, &cpu_show_model, NULL, "Set/Display processor model" }, \ | |
{ MTAB_XTD|MTAB_VDV, 0, "AUTOBOOT", "AUTOBOOT", \ | |
&sysd_set_halt, &sysd_show_halt, NULL, "Enable autoboot (Disable Halt)" }, \ | |
{ MTAB_XTD|MTAB_VDV|MTAB_NMO, 1, "NOAUTOBOOT", "NOAUTOBOOT", \ | |
&sysd_set_halt, &sysd_show_halt, NULL, "Disable autoboot (Enable Halt)" } | |
/* 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 */ | |
#define ADDR_IS_CQM(x) ((((uint32) (x)) >= CQMBASE) && \ | |
(((uint32) (x)) < (CQMBASE + CQMSIZE))) | |
/* QVSS memory space */ | |
#define QVMAWIDTH 18 /* QVSS mem addr width */ | |
#define QVMSIZE (1u << QVMAWIDTH) /* QVSS mem length */ | |
#define QVMAMASK (QVMSIZE - 1) /* QVSS mem addr mask */ | |
#define QVMBASE (CQMBASE + CQMSIZE - QVMSIZE) /* QVSS mem base - end of Qbus memory space */ | |
#define ADDR_IS_QVM(x) ((((uint32) (x)) >= QVMBASE) && \ | |
(((uint32) (x)) < (QVMBASE + QVMSIZE))) | |
/* Machine specific reserved operand tests (all NOPs) */ | |
#define ML_PA_TEST(r) | |
#define ML_LR_TEST(r) | |
#define ML_SBR_TEST(r) | |
#define ML_PXBR_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 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_UBUS (1u << DEV_V_UBUS) | |
#define DEV_QBUS (1u << DEV_V_QBUS) | |
#define DEV_Q18 (1u << DEV_V_Q18) | |
#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 */ | |
uint32 ulnt; /* IO length per unit */ | |
} DIB; | |
/* Qbus I/O page layout - see pdp11_io_lib.c for address layout details */ | |
#define IOBA_AUTO (0) /* Assigned by Auto Configure */ | |
/* The KA65x maintains 4 separate hardware IPL levels, IPL 17 to IPL 14; | |
however, DEC Qbus controllers all interrupt on IPL 14 | |
Within each IPL, priority is right to left | |
*/ | |
/* IPL 17 */ | |
/* IPL 16 */ | |
#define INT_V_CLK 0 /* clock */ | |
/* IPL 15 */ | |
/* IPL 14 - devices through RY are IPL 15 on Unibus systems */ | |
#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_TS 4 /* TS11/TSV05 */ | |
#define INT_V_TQ 5 /* TMSCP */ | |
#define INT_V_XQ 6 /* DEQNA/DELQA */ | |
#define INT_V_RY 7 /* RXV21 */ | |
#define INT_V_TTI 8 /* console */ | |
#define INT_V_TTO 9 | |
#define INT_V_PTR 10 /* PC11 */ | |
#define INT_V_PTP 11 | |
#define INT_V_LPT 12 /* LP11 */ | |
#define INT_V_CSI 13 /* SSC cons UART */ | |
#define INT_V_CSO 14 | |
#define INT_V_TMR0 15 /* SSC timers */ | |
#define INT_V_TMR1 16 | |
#define INT_V_VHRX 17 /* DHQ11 */ | |
#define INT_V_VHTX 18 | |
#define INT_V_QDSS 19 /* QDSS */ | |
#define INT_V_CR 20 | |
#define INT_V_QVSS 21 /* QVSS */ | |
#define INT_V_DMCRX 22 /* DMC11 */ | |
#define INT_V_DMCTX 23 | |
#define INT_V_TDRX 24 /* TU58 */ | |
#define INT_V_TDTX 25 | |
#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_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 INT_QVSS (1u << INT_V_QVSS) | |
#define INT_DMCRX (1u << INT_V_DMCRX) | |
#define INT_DMCTX (1u << INT_V_DMCTX) | |
#define INT_TDRX (1u << INT_V_TDRX) | |
#define INT_TDTX (1u << INT_V_TDTX) | |
#define IPL_CLK (0x16 - IPL_HMIN) /* relative IPL */ | |
#define IPL_RQ (0x14 - IPL_HMIN) | |
#define IPL_RL (0x14 - IPL_HMIN) | |
#define IPL_DZRX (0x14 - IPL_HMIN) | |
#define IPL_DZTX (0x14 - IPL_HMIN) | |
#define IPL_TS (0x14 - IPL_HMIN) | |
#define IPL_TQ (0x14 - IPL_HMIN) | |
#define IPL_XQ (0x14 - IPL_HMIN) | |
#define IPL_RY (0x14 - 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_QVSS (0x14 - IPL_HMIN) | |
#define IPL_DMCRX (0x14 - IPL_HMIN) | |
#define IPL_DMCTX (0x14 - IPL_HMIN) | |
#define IPL_TDRX (0x14 - IPL_HMIN) | |
#define IPL_TDTX (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_AUTO (0) /* Assigned by Auto Configure */ | |
#define VEC_FLOAT (0) /* Assigned by Auto Configure */ | |
#define VEC_QBUS 1 /* Qbus system */ | |
#define VEC_Q 0x200 /* Qbus vector offset */ | |
/* 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); | |
#include "pdp11_io_lib.h" | |
extern t_stat sysd_set_halt (UNIT *uptr, int32 val, char *cptr, void *desc); | |
extern t_stat sysd_show_halt (FILE *st, UNIT *uptr, int32 val, void *desc); | |
/* Function prototypes for system-specific unaligned support */ | |
int32 ReadIOU (uint32 pa, int32 lnt); | |
int32 ReadRegU (uint32 pa, int32 lnt); | |
void WriteIOU (uint32 pa, int32 val, int32 lnt); | |
void WriteRegU (uint32 pa, int32 val, int32 lnt); | |
/* Function prototypes for virtual and physical memory interface (inlined) */ | |
#include "vax_mmu.h" | |
#endif |