xref: /original-bsd/usr.sbin/config/mkglue.c (revision 1a56dd2c)
1 /*
2  * Copyright (c) 1980 Regents of the University of California.
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms are permitted
6  * provided that this notice is preserved and that due credit is given
7  * to the University of California at Berkeley. The name of the University
8  * may not be used to endorse or promote products derived from this
9  * software without specific prior written permission. This software
10  * is provided ``as is'' without express or implied warranty.
11  */
12 
13 #ifndef lint
14 static char sccsid[] = "@(#)mkglue.c	5.5 (Berkeley) 04/29/88";
15 #endif /* not lint */
16 
17 /*
18  * Make the bus adaptor interrupt glue files.
19  */
20 #include <stdio.h>
21 #include "config.h"
22 #include "y.tab.h"
23 #include <ctype.h>
24 
25 /*
26  * Create the UNIBUS interrupt vector glue file.
27  */
28 ubglue()
29 {
30 	register FILE *fp, *gp;
31 	register struct device *dp, *mp;
32 
33 	fp = fopen(path("ubglue.s"), "w");
34 	if (fp == 0) {
35 		perror(path("ubglue.s"));
36 		exit(1);
37 	}
38 	gp = fopen(path("ubvec.s"), "w");
39 	if (gp == 0) {
40 		perror(path("ubvec.s"));
41 		exit(1);
42 	}
43 	for (dp = dtab; dp != 0; dp = dp->d_next) {
44 		mp = dp->d_conn;
45 		if (mp != 0 && mp != (struct device *)-1 &&
46 		    !eq(mp->d_name, "mba")) {
47 			struct idlst *id, *id2;
48 
49 			for (id = dp->d_vec; id; id = id->id_next) {
50 				for (id2 = dp->d_vec; id2; id2 = id2->id_next) {
51 					if (id2 == id) {
52 						dump_ubavec(fp, id->id,
53 						    dp->d_unit);
54 						break;
55 					}
56 					if (!strcmp(id->id, id2->id))
57 						break;
58 				}
59 			}
60 		}
61 	}
62 	dump_std(fp, gp);
63 	for (dp = dtab; dp != 0; dp = dp->d_next) {
64 		mp = dp->d_conn;
65 		if (mp != 0 && mp != (struct device *)-1 &&
66 		    !eq(mp->d_name, "mba")) {
67 			struct idlst *id, *id2;
68 
69 			for (id = dp->d_vec; id; id = id->id_next) {
70 				for (id2 = dp->d_vec; id2; id2 = id2->id_next) {
71 					if (id2 == id) {
72 						dump_intname(fp, id->id,
73 							dp->d_unit);
74 						break;
75 					}
76 					if (!strcmp(id->id, id2->id))
77 						break;
78 				}
79 			}
80 		}
81 	}
82 	dump_ctrs(fp);
83 	(void) fclose(fp);
84 	(void) fclose(gp);
85 }
86 
87 static int cntcnt = 0;		/* number of interrupt counters allocated */
88 
89 /*
90  * Print a UNIBUS interrupt vector.
91  */
92 dump_ubavec(fp, vector, number)
93 	register FILE *fp;
94 	char *vector;
95 	int number;
96 {
97 	char nbuf[80];
98 	register char *v = nbuf;
99 
100 	(void) sprintf(v, "%s%d", vector, number);
101 	fprintf(fp, "\t.globl\t_X%s\n\t.align\t2\n_X%s:\n\tpushr\t$0x3f\n",
102 	    v, v);
103 	fprintf(fp, "\tincl\t_fltintrcnt+(4*%d)\n", cntcnt++);
104 	if (strncmp(vector, "dzx", 3) == 0)
105 		fprintf(fp, "\tmovl\t$%d,r0\n\tjmp\tdzdma\n\n", number);
106 	else {
107 		if (strncmp(vector, "uur", 3) == 0) {
108 			fprintf(fp, "#ifdef UUDMA\n");
109 			fprintf(fp, "\tmovl\t$%d,r0\n\tjsb\tuudma\n", number);
110 			fprintf(fp, "#endif\n");
111 		}
112 		fprintf(fp, "\tpushl\t$%d\n", number);
113 		fprintf(fp, "\tcalls\t$1,_%s\n\tpopr\t$0x3f\n", vector);
114 		fprintf(fp, "\tincl\t_cnt+V_INTR\n\trei\n\n");
115 	}
116 }
117 
118 /*
119  * Create the VERSAbus interrupt vector glue file.
120  */
121 vbglue()
122 {
123 	register FILE *fp, *gp;
124 	register struct device *dp, *mp;
125 
126 	fp = fopen(path("vbglue.s"), "w");
127 	if (fp == 0) {
128 		perror(path("vbglue.s"));
129 		exit(1);
130 	}
131 	gp = fopen(path("vbvec.s"), "w");
132 	if (gp == 0) {
133 		perror(path("vbvec.s"));
134 		exit(1);
135 	}
136 	for (dp = dtab; dp != 0; dp = dp->d_next) {
137 		struct idlst *id, *id2;
138 
139 		mp = dp->d_conn;
140 		if (mp == 0 || mp == (struct device *)-1 ||
141 		    eq(mp->d_name, "mba"))
142 			continue;
143 		for (id = dp->d_vec; id; id = id->id_next)
144 			for (id2 = dp->d_vec; id2; id2 = id2->id_next) {
145 				if (id == id2) {
146 					dump_vbavec(fp, id->id, dp->d_unit);
147 					break;
148 				}
149 				if (eq(id->id, id2->id))
150 					break;
151 			}
152 	}
153 	dump_std(fp, gp);
154 	for (dp = dtab; dp != 0; dp = dp->d_next) {
155 		mp = dp->d_conn;
156 		if (mp != 0 && mp != (struct device *)-1 &&
157 		    !eq(mp->d_name, "mba")) {
158 			struct idlst *id, *id2;
159 
160 			for (id = dp->d_vec; id; id = id->id_next) {
161 				for (id2 = dp->d_vec; id2; id2 = id2->id_next) {
162 					if (id2 == id) {
163 						dump_intname(fp, id->id,
164 							dp->d_unit);
165 						break;
166 					}
167 					if (eq(id->id, id2->id))
168 						break;
169 				}
170 			}
171 		}
172 	}
173 	dump_ctrs(fp);
174 	(void) fclose(fp);
175 	(void) fclose(gp);
176 }
177 
178 /*
179  * Print a VERSAbus interrupt vector
180  */
181 dump_vbavec(fp, vector, number)
182 	register FILE *fp;
183 	char *vector;
184 	int number;
185 {
186 	char nbuf[80];
187 	register char *v = nbuf;
188 
189 	(void) sprintf(v, "%s%d", vector, number);
190 	fprintf(fp, "SCBVEC(%s):\n", v);
191 	fprintf(fp, "\tCHECK_SFE(4)\n");
192 	fprintf(fp, "\tSAVE_FPSTAT(4)\n");
193 	fprintf(fp, "\tPUSHR\n");
194 	fprintf(fp, "\tincl\t_fltintrcnt+(4*%d)\n", cntcnt++);
195 	fprintf(fp, "\tpushl\t$%d\n", number);
196 	fprintf(fp, "\tcallf\t$8,_%s\n", vector);
197 	fprintf(fp, "\tincl\t_cnt+V_INTR\n");
198 	fprintf(fp, "\tPOPR\n");
199 	fprintf(fp, "\tREST_FPSTAT\n");
200 	fprintf(fp, "\trei\n\n");
201 }
202 
203 static	char *vaxinames[] = {
204 	"clock", "cnr", "cnx", "tur", "tux",
205 	"mba0", "mba1", "mba2", "mba3",
206 	"uba0", "uba1", "uba2", "uba3"
207 };
208 static	char *tahoeinames[] = {
209 	"clock", "cnr", "cnx", "rmtr", "rmtx", "buserr",
210 };
211 static	struct stdintrs {
212 	char	**si_names;	/* list of standard interrupt names */
213 	int	si_n;		/* number of such names */
214 } stdintrs[] = {
215 	{ vaxinames, sizeof (vaxinames) / sizeof (vaxinames[0]) },
216 	{ tahoeinames, (sizeof (tahoeinames) / sizeof (tahoeinames[0])) }
217 };
218 /*
219  * Start the interrupt name table with the names
220  * of the standard vectors not directly associated
221  * with a bus.  Also, dump the defines needed to
222  * reference the associated counters into a separate
223  * file which is prepended to locore.s.
224  */
225 dump_std(fp, gp)
226 	register FILE *fp, *gp;
227 {
228 	register struct stdintrs *si = &stdintrs[machine-1];
229 	register char **cpp;
230 	register int i;
231 
232 	fprintf(fp, "\n\t.globl\t_intrnames\n");
233 	fprintf(fp, "\n\t.globl\t_eintrnames\n");
234 	fprintf(fp, "\t.data\n");
235 	fprintf(fp, "_intrnames:\n");
236 	cpp = si->si_names;
237 	for (i = 0; i < si->si_n; i++) {
238 		register char *cp, *tp;
239 		char buf[80];
240 
241 		cp = *cpp;
242 		if (cp[0] == 'i' && cp[1] == 'n' && cp[2] == 't') {
243 			cp += 3;
244 			if (*cp == 'r')
245 				cp++;
246 		}
247 		for (tp = buf; *cp; cp++)
248 			if (islower(*cp))
249 				*tp++ = toupper(*cp);
250 			else
251 				*tp++ = *cp;
252 		*tp = '\0';
253 		fprintf(gp, "#define\tI_%s\t%d\n", buf, i*sizeof (long));
254 		fprintf(fp, "\t.asciz\t\"%s\"\n", *cpp);
255 		cpp++;
256 	}
257 }
258 
259 dump_intname(fp, vector, number)
260 	register FILE *fp;
261 	char *vector;
262 	int number;
263 {
264 	register char *cp = vector;
265 
266 	fprintf(fp, "\t.asciz\t\"");
267 	/*
268 	 * Skip any "int" or "intr" in the name.
269 	 */
270 	while (*cp)
271 		if (cp[0] == 'i' && cp[1] == 'n' &&  cp[2] == 't') {
272 			cp += 3;
273 			if (*cp == 'r')
274 				cp++;
275 		} else {
276 			putc(*cp, fp);
277 			cp++;
278 		}
279 	fprintf(fp, "%d\"\n", number);
280 }
281 
282 /*
283  * Reserve space for the interrupt counters.
284  */
285 dump_ctrs(fp)
286 	register FILE *fp;
287 {
288 	struct stdintrs *si = &stdintrs[machine-1];
289 
290 	fprintf(fp, "_eintrnames:\n");
291 	fprintf(fp, "\n\t.globl\t_intrcnt\n");
292 	fprintf(fp, "\n\t.globl\t_eintrcnt\n");
293 	fprintf(fp, "\t.align 2\n");
294 	fprintf(fp, "_intrcnt:\n");
295 	fprintf(fp, "\t.space\t4 * %d\n", si->si_n);
296 	fprintf(fp, "_fltintrcnt:\n");
297 	fprintf(fp, "\t.space\t4 * %d\n", cntcnt);
298 	fprintf(fp, "_eintrcnt:\n\n");
299 	fprintf(fp, "\t.text\n");
300 }
301