1 /* 2 * Copyright (c) 1982, 1986 Regents of the University of California. 3 * All rights reserved. The Berkeley software License Agreement 4 * specifies the terms and conditions for redistribution. 5 * 6 * @(#)savax.h 7.1 (Berkeley) 06/05/86 7 */ 8 9 /* 10 * Standalone definitions peculiar to vaxen 11 * The mba devices in the standalone system are addressed as 12 * xx(unit,section) 13 * where unit is 14 * 8*mbanum+drive 15 * The mbadrv macro gives the address of the device registers 16 * for the specified unit; the mbamba macro gives the address of the 17 * mba registers themselves. 18 * 19 * The uba devices are also addressed by giving, as unit, 20 * 8*ubanum+drive 21 * The ubamem macro converts a specified unibus address (ala pdp-11) 22 * into a unibus memory address space address. 23 */ 24 25 int cpu; /* see <sys/cpu.h> */ 26 27 #define MAXNMBA 4 28 #define MAXNUBA 4 29 struct mba_regs **mbaddr; 30 int mbaact; 31 caddr_t *umaddr; 32 struct uba_regs **ubaddr; 33 34 #define UNITTOMBA(unit) ((unit)>>3) 35 #define UNITTODRIVE(unit) ((unit)&07) 36 37 #define mbamba(unit) (mbaddr[UNITTOMBA(unit)]) 38 #define mbadrv(unit) (&mbamba(unit)->mba_drv[UNITTODRIVE(unit)]) 39 40 #define UNITTOUBA(unit) ((unit)>>3) 41 #define ubauba(unit) (ubaddr[UNITTOUBA(unit)]) 42 #define ubamem(unit, off) ((umaddr[UNITTOUBA(unit)]+ubdevreg(off))) 43 44 #define PHYSUBA0 0x20006000 45 #define PHYSMBA0 0x20010000 46 #define PHYSMBA1 0x20012000 47 #define PHYSUMEM 0x2013e000 48 49 /* 50 * RM03/5 (4-byte header plus CRC) format information: 51 * codes for sector header word 1 52 */ 53 #define HDR1_FMT22 0x1000 /* standard 16 bit format */ 54 #define HDR1_OKSCT 0xc000 /* sector ok */ 55 #define HDR1_SSF 0x2000 /* skip sector flag */ 56