xref: /original-bsd/usr.sbin/config/mkglue.c (revision 74bf68f5)
1 /*
2  * Copyright (c) 1980 Regents of the University of California.
3  * All rights reserved.  The Berkeley software License Agreement
4  * specifies the terms and conditions for redistribution.
5  */
6 
7 #ifndef lint
8 static char sccsid[] = "@(#)mkglue.c	5.1 (Berkeley) 02/18/86";
9 #endif not lint
10 
11 /*
12  * Make the bus adaptor interrupt glue files.
13  */
14 #include <stdio.h>
15 #include "config.h"
16 #include "y.tab.h"
17 #include <ctype.h>
18 
19 /*
20  * Create the UNIBUS interrupt vector glue file.
21  */
22 ubglue()
23 {
24 	register FILE *fp, *gp;
25 	register struct device *dp, *mp;
26 
27 	fp = fopen(path("ubglue.s"), "w");
28 	if (fp == 0) {
29 		perror(path("ubglue.s"));
30 		exit(1);
31 	}
32 	gp = fopen(path("ubvec.s"), "w");
33 	if (gp == 0) {
34 		perror(path("ubvec.s"));
35 		exit(1);
36 	}
37 	for (dp = dtab; dp != 0; dp = dp->d_next) {
38 		mp = dp->d_conn;
39 		if (mp != 0 && mp != (struct device *)-1 &&
40 		    !eq(mp->d_name, "mba")) {
41 			struct idlst *id, *id2;
42 
43 			for (id = dp->d_vec; id; id = id->id_next) {
44 				for (id2 = dp->d_vec; id2; id2 = id2->id_next) {
45 					if (id2 == id) {
46 						dump_ubavec(fp, id->id,
47 						    dp->d_unit);
48 						break;
49 					}
50 					if (!strcmp(id->id, id2->id))
51 						break;
52 				}
53 			}
54 		}
55 	}
56 	dump_std(fp, gp);
57 	for (dp = dtab; dp != 0; dp = dp->d_next) {
58 		mp = dp->d_conn;
59 		if (mp != 0 && mp != (struct device *)-1 &&
60 		    !eq(mp->d_name, "mba")) {
61 			struct idlst *id, *id2;
62 
63 			for (id = dp->d_vec; id; id = id->id_next) {
64 				for (id2 = dp->d_vec; id2; id2 = id2->id_next) {
65 					if (id2 == id) {
66 						dump_intname(fp, id->id,
67 							dp->d_unit);
68 						break;
69 					}
70 					if (!strcmp(id->id, id2->id))
71 						break;
72 				}
73 			}
74 		}
75 	}
76 	dump_ctrs(fp);
77 	(void) fclose(fp);
78 	(void) fclose(gp);
79 }
80 
81 static int cntcnt = 0;		/* number of interrupt counters allocated */
82 
83 /*
84  * Print a UNIBUS interrupt vector.
85  */
86 dump_ubavec(fp, vector, number)
87 	register FILE *fp;
88 	char *vector;
89 	int number;
90 {
91 	char nbuf[80];
92 	register char *v = nbuf;
93 
94 	(void) sprintf(v, "%s%d", vector, number);
95 	fprintf(fp, "\t.globl\t_X%s\n\t.align\t2\n_X%s:\n\tpushr\t$0x3f\n",
96 	    v, v);
97 	fprintf(fp, "\tincl\t_fltintrcnt+(4*%d)\n", cntcnt++);
98 	if (strncmp(vector, "dzx", 3) == 0)
99 		fprintf(fp, "\tmovl\t$%d,r0\n\tjmp\tdzdma\n\n", number);
100 	else {
101 		if (strncmp(vector, "uur", 3) == 0) {
102 			fprintf(fp, "#ifdef UUDMA\n");
103 			fprintf(fp, "\tmovl\t$%d,r0\n\tjsb\tuudma\n", number);
104 			fprintf(fp, "#endif\n");
105 		}
106 		fprintf(fp, "\tpushl\t$%d\n", number);
107 		fprintf(fp, "\tcalls\t$1,_%s\n\tpopr\t$0x3f\n", vector);
108 		fprintf(fp, "\tincl\t_cnt+V_INTR\n\trei\n\n");
109 	}
110 }
111 
112 static	char *vaxinames[] = {
113 	"clock", "cnr", "cnx", "tur", "tux",
114 	"mba0", "mba1", "mba2", "mba3",
115 	"uba0", "uba1", "uba2", "uba3"
116 };
117 static	struct stdintrs {
118 	char	**si_names;	/* list of standard interrupt names */
119 	int	si_n;		/* number of such names */
120 } stdintrs[] = {
121 	{ vaxinames, sizeof (vaxinames) / sizeof (vaxinames[0]) },
122 };
123 /*
124  * Start the interrupt name table with the names
125  * of the standard vectors not directly associated
126  * with a bus.  Also, dump the defines needed to
127  * reference the associated counters into a separate
128  * file which is prepended to locore.s.
129  */
130 dump_std(fp, gp)
131 	register FILE *fp, *gp;
132 {
133 	register struct stdintrs *si = &stdintrs[machine-1];
134 	register char **cpp;
135 	register int i;
136 
137 	fprintf(fp, "\n\t.globl\t_intrnames\n");
138 	fprintf(fp, "\n\t.globl\t_eintrnames\n");
139 	fprintf(fp, "\t.data\n");
140 	fprintf(fp, "_intrnames:\n");
141 	cpp = si->si_names;
142 	for (i = 0; i < si->si_n; i++) {
143 		register char *cp, *tp;
144 		char buf[80];
145 
146 		cp = *cpp;
147 		if (cp[0] == 'i' && cp[1] == 'n' && cp[2] == 't') {
148 			cp += 3;
149 			if (*cp == 'r')
150 				cp++;
151 		}
152 		for (tp = buf; *cp; cp++)
153 			if (islower(*cp))
154 				*tp++ = toupper(*cp);
155 			else
156 				*tp++ = *cp;
157 		*tp = '\0';
158 		fprintf(gp, "#define\tI_%s\t%d\n", buf, i*sizeof (long));
159 		fprintf(fp, "\t.asciz\t\"%s\"\n", *cpp);
160 		cpp++;
161 	}
162 }
163 
164 dump_intname(fp, vector, number)
165 	register FILE *fp;
166 	char *vector;
167 	int number;
168 {
169 	register char *cp = vector;
170 
171 	fprintf(fp, "\t.asciz\t\"");
172 	/*
173 	 * Skip any "int" or "intr" in the name.
174 	 */
175 	while (*cp)
176 		if (cp[0] == 'i' && cp[1] == 'n' &&  cp[2] == 't') {
177 			cp += 3;
178 			if (*cp == 'r')
179 				cp++;
180 		} else {
181 			putc(*cp, fp);
182 			cp++;
183 		}
184 	fprintf(fp, "%d\"\n", number);
185 }
186 
187 /*
188  * Reserve space for the interrupt counters.
189  */
190 dump_ctrs(fp)
191 	register FILE *fp;
192 {
193 	struct stdintrs *si = &stdintrs[machine-1];
194 
195 	fprintf(fp, "_eintrnames:\n");
196 	fprintf(fp, "\n\t.globl\t_intrcnt\n");
197 	fprintf(fp, "\n\t.globl\t_eintrcnt\n");
198 	fprintf(fp, "\t.align 2\n");
199 	fprintf(fp, "_intrcnt:\n");
200 	fprintf(fp, "\t.space\t4 * %d\n", si->si_n);
201 	fprintf(fp, "_fltintrcnt:\n", cntcnt);
202 	fprintf(fp, "\t.space\t4 * %d\n", cntcnt);
203 	fprintf(fp, "_eintrcnt:\n\n");
204 	fprintf(fp, "\t.text\n");
205 }
206