File:rk.c - ikarishinjieva/unixV6-code-analyze-chs GitHub Wiki

5350 #

5351 /*

5352  */

5353

5354 /*

5355  * RK disk driver

5356  */

5357

5358 #include "../param.h"

5359 #include "../buf.h"

5360 #include "../conf.h"

5361 #include "../user.h"

5362

5363 #define RKADDR 0177400

5364 #define NRK 4

5365 #define NRKBLK 4872

5366

5367 #define RESET 0

5368 #define GO 01

5369 #define DRESET 014

5370 #define IENABLE 0100

5371 #define DRY 0200

5372 #define ARDY 0100

5373 #define WLO 020000

5374 #define CTLRDY 0200

5375

5376 struct {

5377     int rkds;

5378     int rker;

5379     int rkcs;

5380     int rkwc;

5381     int rkba;

5382     int rkda;

5383 };

5384 /* ------------------------- */

5385

5386 struct devtab rktab;

5387 struct buf rrkbuf;