Return to savax.h CVS log

Up to [CSRG BSD Unix] / 42BSD / sys / stand

Annotation of 42BSD/sys/stand/savax.h, revision 1.1.1.1

1.1       root        1: /*     savax.h 6.1     83/07/29        */
                      2: 
                      3: /*
                      4:  * Standalone definitions peculiar to vaxen
                      5:  * The mba devices in the standalone system are addressed as 
                      6:  *     xx(unit,section)
                      7:  * where unit is
                      8:  *     8*mbanum+drive
                      9:  * The mbadrv macro gives the address of the device registers
                     10:  * for the specified unit; the mbamba macro gives the address of the
                     11:  * mba registers themselves.
                     12:  *
                     13:  * The uba devices are also addressed by giving, as unit,
                     14:  *     8*ubanum+drive
                     15:  * The ubamem macro converts a specified unibus address (ala pdp-11)
                     16:  * into a unibus memory address space address.
                     17:  */
                     18: 
                     19: int    cpu;            /* see <sys/cpu.h> */
                     20: 
                     21: #define        MAXNMBA 4
                     22: struct mba_regs **mbaddr;
                     23: int    mbaact;
                     24: caddr_t        *umaddr;
                     25: struct uba_regs **ubaddr;
                     26: 
                     27: #define        UNITTOMBA(unit)         ((unit)>>3)
                     28: #define        UNITTODRIVE(unit)       ((unit)&07)
                     29: 
                     30: #define        mbamba(unit)            (mbaddr[UNITTOMBA(unit)])
                     31: #define        mbadrv(unit)            (&mbamba(unit)->mba_drv[UNITTODRIVE(unit)])
                     32: 
                     33: #define        UNITTOUBA(unit)         ((unit)>>3)
                     34: #define        ubauba(unit)            (ubaddr[UNITTOUBA(unit)])
                     35: #define        ubamem(unit, off)       ((umaddr[UNITTOUBA(unit)]+ubdevreg(off)))
                     36: 
                     37: #define        PHYSUBA0        0x20006000
                     38: #define        PHYSMBA0        0x20010000
                     39: #define        PHYSMBA1        0x20012000
                     40: #define        PHYSUMEM        0x2013e000

This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.