BSD 4_2 release

[unix-history] / usr / src / etc / config / mkubglue.c

#ifndef lint
static char sccsid[] = "@(#)mkubglue.c  1.11 (Berkeley) 8/11/83";
#endif

/*
* Make the uba interrupt file ubglue.s
*/
#include <stdio.h>
#include "config.h"
#include "y.tab.h"

ubglue()
{
       register FILE *fp;
       register struct device *dp, *mp;

       fp = fopen(path("ubglue.s"), "w");
       if (fp == 0) {
               perror(path("ubglue.s"));
               exit(1);
       }
       for (dp = dtab; dp != 0; dp = dp->d_next) {
               mp = dp->d_conn;
               if (mp != 0 && mp != (struct device *)-1 &&
                   !eq(mp->d_name, "mba")) {
                       struct idlst *id, *id2;

                       for (id = dp->d_vec; id; id = id->id_next) {
                               for (id2 = dp->d_vec; id2; id2 = id2->id_next) {
                                       if (id2 == id) {
                                               dump_vec(fp, id->id, dp->d_unit);
                                               break;
                                       }
                                       if (!strcmp(id->id, id2->id))
                                               break;
                               }
                       }
               }
       }
       (void) fclose(fp);
}

/*
* print an interrupt vector
*/
dump_vec(fp, vector, number)
       register FILE *fp;
       char *vector;
       int number;
{
       char nbuf[80];
       register char *v = nbuf;

       (void) sprintf(v, "%s%d", vector, number);
       fprintf(fp, "\t.globl\t_X%s\n\t.align\t2\n_X%s:\n\tpushr\t$0x3f\n",
           v, v);
       if (strncmp(vector, "dzx", 3) == 0)
               fprintf(fp, "\tmovl\t$%d,r0\n\tjmp\tdzdma\n\n", number);
       else {
               if (strncmp(vector, "uur", 3) == 0) {
                       fprintf(fp, "#ifdef UUDMA\n");
                       fprintf(fp, "\tmovl\t$%d,r0\n\tjsb\tuudma\n", number);
                       fprintf(fp, "#endif\n");
               }
               fprintf(fp, "\tpushl\t$%d\n", number);
               fprintf(fp, "\tcalls\t$1,_%s\n\tpopr\t$0x3f\n", vector);
               fprintf(fp, "#if defined(VAX750) || defined(VAX730)\n");
               fprintf(fp, "\tincl\t_cnt+V_INTR\n#endif\n\trei\n\n");
       }
}