Commit | Line | Data |
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e6d9ed6d C |
1 | /* savax.h 4.2 81/03/15 */ |
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)]+(off&017777))) |