4.3BSD-Tahoe/usr/src/etc/config/mkglue.c
/*
* Copyright (c) 1980 Regents of the University of California.
* All rights reserved.
*
* Redistribution and use in source and binary forms are permitted
* provided that the above copyright notice and this paragraph are
* duplicated in all such forms and that any documentation,
* advertising materials, and other materials related to such
* distribution and use acknowledge that the software was developed
* by the University of California, Berkeley. The name of the
* University may not be used to endorse or promote products derived
* from this software without specific prior written permission.
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
* WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*/
#ifndef lint
static char sccsid[] = "@(#)mkglue.c 5.6 (Berkeley) 6/18/88";
#endif /* not lint */
/*
* Make the bus adaptor interrupt glue files.
*/
#include <stdio.h>
#include "config.h"
#include "y.tab.h"
#include <ctype.h>
/*
* Create the UNIBUS interrupt vector glue file.
*/
ubglue()
{
register FILE *fp, *gp;
register struct device *dp, *mp;
fp = fopen(path("ubglue.s"), "w");
if (fp == 0) {
perror(path("ubglue.s"));
exit(1);
}
gp = fopen(path("ubvec.s"), "w");
if (gp == 0) {
perror(path("ubvec.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_ubavec(fp, id->id,
dp->d_unit);
break;
}
if (!strcmp(id->id, id2->id))
break;
}
}
}
}
dump_std(fp, gp);
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_intname(fp, id->id,
dp->d_unit);
break;
}
if (!strcmp(id->id, id2->id))
break;
}
}
}
}
dump_ctrs(fp);
(void) fclose(fp);
(void) fclose(gp);
}
static int cntcnt = 0; /* number of interrupt counters allocated */
/*
* Print a UNIBUS interrupt vector.
*/
dump_ubavec(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$0x3f\n",
v, v);
fprintf(fp, "\tincl\t_fltintrcnt+(4*%d)\n", cntcnt++);
if (strncmp(vector, "dzx", 3) == 0)
fprintf(fp, "\tmovl\t$%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$0x3f\n", vector);
fprintf(fp, "\tincl\t_cnt+V_INTR\n\trei\n\n");
}
}
/*
* Create the VERSAbus interrupt vector glue file.
*/
vbglue()
{
register FILE *fp, *gp;
register struct device *dp, *mp;
fp = fopen(path("vbglue.s"), "w");
if (fp == 0) {
perror(path("vbglue.s"));
exit(1);
}
gp = fopen(path("vbvec.s"), "w");
if (gp == 0) {
perror(path("vbvec.s"));
exit(1);
}
for (dp = dtab; dp != 0; dp = dp->d_next) {
struct idlst *id, *id2;
mp = dp->d_conn;
if (mp == 0 || mp == (struct device *)-1 ||
eq(mp->d_name, "mba"))
continue;
for (id = dp->d_vec; id; id = id->id_next)
for (id2 = dp->d_vec; id2; id2 = id2->id_next) {
if (id == id2) {
dump_vbavec(fp, id->id, dp->d_unit);
break;
}
if (eq(id->id, id2->id))
break;
}
}
dump_std(fp, gp);
for (dp = dtab; dp != 0; dp = dp->d_next) {
mp = dp->d_conn;
if (mp != 0 && mp != (struct device *)-1 &&
!eq(mp->d_name, "mba")) {
struct idlst *id, *id2;
for (id = dp->d_vec; id; id = id->id_next) {
for (id2 = dp->d_vec; id2; id2 = id2->id_next) {
if (id2 == id) {
dump_intname(fp, id->id,
dp->d_unit);
break;
}
if (eq(id->id, id2->id))
break;
}
}
}
}
dump_ctrs(fp);
(void) fclose(fp);
(void) fclose(gp);
}
/*
* Print a VERSAbus interrupt vector
*/
dump_vbavec(fp, vector, number)
register FILE *fp;
char *vector;
int number;
{
char nbuf[80];
register char *v = nbuf;
(void) sprintf(v, "%s%d", vector, number);
fprintf(fp, "SCBVEC(%s):\n", v);
fprintf(fp, "\tCHECK_SFE(4)\n");
fprintf(fp, "\tSAVE_FPSTAT(4)\n");
fprintf(fp, "\tPUSHR\n");
fprintf(fp, "\tincl\t_fltintrcnt+(4*%d)\n", cntcnt++);
fprintf(fp, "\tpushl\t$%d\n", number);
fprintf(fp, "\tcallf\t$8,_%s\n", vector);
fprintf(fp, "\tincl\t_cnt+V_INTR\n");
fprintf(fp, "\tPOPR\n");
fprintf(fp, "\tREST_FPSTAT\n");
fprintf(fp, "\trei\n\n");
}
static char *vaxinames[] = {
"clock", "cnr", "cnx", "tur", "tux",
"mba0", "mba1", "mba2", "mba3",
"uba0", "uba1", "uba2", "uba3"
};
static char *tahoeinames[] = {
"clock", "cnr", "cnx", "rmtr", "rmtx", "buserr",
};
static struct stdintrs {
char **si_names; /* list of standard interrupt names */
int si_n; /* number of such names */
} stdintrs[] = {
{ vaxinames, sizeof (vaxinames) / sizeof (vaxinames[0]) },
{ tahoeinames, (sizeof (tahoeinames) / sizeof (tahoeinames[0])) }
};
/*
* Start the interrupt name table with the names
* of the standard vectors not directly associated
* with a bus. Also, dump the defines needed to
* reference the associated counters into a separate
* file which is prepended to locore.s.
*/
dump_std(fp, gp)
register FILE *fp, *gp;
{
register struct stdintrs *si = &stdintrs[machine-1];
register char **cpp;
register int i;
fprintf(fp, "\n\t.globl\t_intrnames\n");
fprintf(fp, "\n\t.globl\t_eintrnames\n");
fprintf(fp, "\t.data\n");
fprintf(fp, "_intrnames:\n");
cpp = si->si_names;
for (i = 0; i < si->si_n; i++) {
register char *cp, *tp;
char buf[80];
cp = *cpp;
if (cp[0] == 'i' && cp[1] == 'n' && cp[2] == 't') {
cp += 3;
if (*cp == 'r')
cp++;
}
for (tp = buf; *cp; cp++)
if (islower(*cp))
*tp++ = toupper(*cp);
else
*tp++ = *cp;
*tp = '\0';
fprintf(gp, "#define\tI_%s\t%d\n", buf, i*sizeof (long));
fprintf(fp, "\t.asciz\t\"%s\"\n", *cpp);
cpp++;
}
}
dump_intname(fp, vector, number)
register FILE *fp;
char *vector;
int number;
{
register char *cp = vector;
fprintf(fp, "\t.asciz\t\"");
/*
* Skip any "int" or "intr" in the name.
*/
while (*cp)
if (cp[0] == 'i' && cp[1] == 'n' && cp[2] == 't') {
cp += 3;
if (*cp == 'r')
cp++;
} else {
putc(*cp, fp);
cp++;
}
fprintf(fp, "%d\"\n", number);
}
/*
* Reserve space for the interrupt counters.
*/
dump_ctrs(fp)
register FILE *fp;
{
struct stdintrs *si = &stdintrs[machine-1];
fprintf(fp, "_eintrnames:\n");
fprintf(fp, "\n\t.globl\t_intrcnt\n");
fprintf(fp, "\n\t.globl\t_eintrcnt\n");
fprintf(fp, "\t.align 2\n");
fprintf(fp, "_intrcnt:\n");
fprintf(fp, "\t.space\t4 * %d\n", si->si_n);
fprintf(fp, "_fltintrcnt:\n");
fprintf(fp, "\t.space\t4 * %d\n", cntcnt);
fprintf(fp, "_eintrcnt:\n\n");
fprintf(fp, "\t.text\n");
}