xref: /original-bsd/usr.sbin/config/mkglue.c (revision db9e1aef)
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 the above copyright notice and this paragraph are
7  * duplicated in all such forms and that any documentation,
8  * advertising materials, and other materials related to such
9  * distribution and use acknowledge that the software was developed
10  * by the University of California, Berkeley.  The name of the
11  * University may not be used to endorse or promote products derived
12  * from this software without specific prior written permission.
13  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
14  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
15  * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
16  */
17 
18 #ifndef lint
19 static char sccsid[] = "@(#)mkglue.c	5.7 (Berkeley) 05/16/90";
20 #endif /* not lint */
21 
22 /*
23  * Make the bus adaptor interrupt glue files.
24  */
25 #include <stdio.h>
26 #include "config.h"
27 #include "y.tab.h"
28 #include <ctype.h>
29 
30 /*
31  * Create the UNIBUS interrupt vector glue file.
32  */
33 ubglue()
34 {
35 	register FILE *fp, *gp;
36 	register struct device *dp, *mp;
37 
38 	fp = fopen(path("ubglue.s"), "w");
39 	if (fp == 0) {
40 		perror(path("ubglue.s"));
41 		exit(1);
42 	}
43 	gp = fopen(path("ubvec.s"), "w");
44 	if (gp == 0) {
45 		perror(path("ubvec.s"));
46 		exit(1);
47 	}
48 	for (dp = dtab; dp != 0; dp = dp->d_next) {
49 		mp = dp->d_conn;
50 		if (mp != 0 && mp != (struct device *)-1 &&
51 		    !eq(mp->d_name, "mba")) {
52 			struct idlst *id, *id2;
53 
54 			for (id = dp->d_vec; id; id = id->id_next) {
55 				for (id2 = dp->d_vec; id2; id2 = id2->id_next) {
56 					if (id2 == id) {
57 						dump_ubavec(fp, id->id,
58 						    dp->d_unit);
59 						break;
60 					}
61 					if (!strcmp(id->id, id2->id))
62 						break;
63 				}
64 			}
65 		}
66 	}
67 	dump_std(fp, gp);
68 	for (dp = dtab; dp != 0; dp = dp->d_next) {
69 		mp = dp->d_conn;
70 		if (mp != 0 && mp != (struct device *)-1 &&
71 		    !eq(mp->d_name, "mba")) {
72 			struct idlst *id, *id2;
73 
74 			for (id = dp->d_vec; id; id = id->id_next) {
75 				for (id2 = dp->d_vec; id2; id2 = id2->id_next) {
76 					if (id2 == id) {
77 						dump_intname(fp, id->id,
78 							dp->d_unit);
79 						break;
80 					}
81 					if (!strcmp(id->id, id2->id))
82 						break;
83 				}
84 			}
85 		}
86 	}
87 	dump_ctrs(fp);
88 	(void) fclose(fp);
89 	(void) fclose(gp);
90 }
91 
92 static int cntcnt = 0;		/* number of interrupt counters allocated */
93 
94 /*
95  * Print a UNIBUS interrupt vector.
96  */
97 dump_ubavec(fp, vector, number)
98 	register FILE *fp;
99 	char *vector;
100 	int number;
101 {
102 	char nbuf[80];
103 	register char *v = nbuf;
104 
105 	(void) sprintf(v, "%s%d", vector, number);
106 	fprintf(fp, "\t.globl\t_X%s\n\t.align\t2\n_X%s:\n\tpushr\t$0x3f\n",
107 	    v, v);
108 	fprintf(fp, "\tincl\t_fltintrcnt+(4*%d)\n", cntcnt++);
109 	if (strncmp(vector, "dzx", 3) == 0)
110 		fprintf(fp, "\tmovl\t$%d,r0\n\tjmp\tdzdma\n\n", number);
111 	else {
112 		if (strncmp(vector, "uur", 3) == 0) {
113 			fprintf(fp, "#ifdef UUDMA\n");
114 			fprintf(fp, "\tmovl\t$%d,r0\n\tjsb\tuudma\n", number);
115 			fprintf(fp, "#endif\n");
116 		}
117 		fprintf(fp, "\tpushl\t$%d\n", number);
118 		fprintf(fp, "\tcalls\t$1,_%s\n\tpopr\t$0x3f\n", vector);
119 		fprintf(fp, "\tincl\t_cnt+V_INTR\n\trei\n\n");
120 	}
121 }
122 
123 /*
124  * Create the VERSAbus interrupt vector glue file.
125  */
126 vbglue()
127 {
128 	register FILE *fp, *gp;
129 	register struct device *dp, *mp;
130 
131 	fp = fopen(path("vbglue.s"), "w");
132 	if (fp == 0) {
133 		perror(path("vbglue.s"));
134 		exit(1);
135 	}
136 	gp = fopen(path("vbvec.s"), "w");
137 	if (gp == 0) {
138 		perror(path("vbvec.s"));
139 		exit(1);
140 	}
141 	for (dp = dtab; dp != 0; dp = dp->d_next) {
142 		struct idlst *id, *id2;
143 
144 		mp = dp->d_conn;
145 		if (mp == 0 || mp == (struct device *)-1 ||
146 		    eq(mp->d_name, "mba"))
147 			continue;
148 		for (id = dp->d_vec; id; id = id->id_next)
149 			for (id2 = dp->d_vec; id2; id2 = id2->id_next) {
150 				if (id == id2) {
151 					dump_vbavec(fp, id->id, dp->d_unit);
152 					break;
153 				}
154 				if (eq(id->id, id2->id))
155 					break;
156 			}
157 	}
158 	dump_std(fp, gp);
159 	for (dp = dtab; dp != 0; dp = dp->d_next) {
160 		mp = dp->d_conn;
161 		if (mp != 0 && mp != (struct device *)-1 &&
162 		    !eq(mp->d_name, "mba")) {
163 			struct idlst *id, *id2;
164 
165 			for (id = dp->d_vec; id; id = id->id_next) {
166 				for (id2 = dp->d_vec; id2; id2 = id2->id_next) {
167 					if (id2 == id) {
168 						dump_intname(fp, id->id,
169 							dp->d_unit);
170 						break;
171 					}
172 					if (eq(id->id, id2->id))
173 						break;
174 				}
175 			}
176 		}
177 	}
178 	dump_ctrs(fp);
179 	(void) fclose(fp);
180 	(void) fclose(gp);
181 }
182 
183 /*
184  * Print a VERSAbus interrupt vector
185  */
186 dump_vbavec(fp, vector, number)
187 	register FILE *fp;
188 	char *vector;
189 	int number;
190 {
191 	char nbuf[80];
192 	register char *v = nbuf;
193 
194 	(void) sprintf(v, "%s%d", vector, number);
195 	fprintf(fp, "SCBVEC(%s):\n", v);
196 	fprintf(fp, "\tCHECK_SFE(4)\n");
197 	fprintf(fp, "\tSAVE_FPSTAT(4)\n");
198 	fprintf(fp, "\tPUSHR\n");
199 	fprintf(fp, "\tincl\t_fltintrcnt+(4*%d)\n", cntcnt++);
200 	fprintf(fp, "\tpushl\t$%d\n", number);
201 	fprintf(fp, "\tcallf\t$8,_%s\n", vector);
202 	fprintf(fp, "\tincl\t_cnt+V_INTR\n");
203 	fprintf(fp, "\tPOPR\n");
204 	fprintf(fp, "\tREST_FPSTAT\n");
205 	fprintf(fp, "\trei\n\n");
206 }
207 
208 /*
209  * HP9000/300 interrupts are auto-vectored.
210  * Code is hardwired in locore.s
211  */
212 hpglue() {}
213 
214 static	char *vaxinames[] = {
215 	"clock", "cnr", "cnx", "tur", "tux",
216 	"mba0", "mba1", "mba2", "mba3",
217 	"uba0", "uba1", "uba2", "uba3"
218 };
219 static	char *tahoeinames[] = {
220 	"clock", "cnr", "cnx", "rmtr", "rmtx", "buserr",
221 };
222 static	struct stdintrs {
223 	char	**si_names;	/* list of standard interrupt names */
224 	int	si_n;		/* number of such names */
225 } stdintrs[] = {
226 	{ vaxinames, sizeof (vaxinames) / sizeof (vaxinames[0]) },
227 	{ tahoeinames, (sizeof (tahoeinames) / sizeof (tahoeinames[0])) }
228 };
229 /*
230  * Start the interrupt name table with the names
231  * of the standard vectors not directly associated
232  * with a bus.  Also, dump the defines needed to
233  * reference the associated counters into a separate
234  * file which is prepended to locore.s.
235  */
236 dump_std(fp, gp)
237 	register FILE *fp, *gp;
238 {
239 	register struct stdintrs *si = &stdintrs[machine-1];
240 	register char **cpp;
241 	register int i;
242 
243 	fprintf(fp, "\n\t.globl\t_intrnames\n");
244 	fprintf(fp, "\n\t.globl\t_eintrnames\n");
245 	fprintf(fp, "\t.data\n");
246 	fprintf(fp, "_intrnames:\n");
247 	cpp = si->si_names;
248 	for (i = 0; i < si->si_n; i++) {
249 		register char *cp, *tp;
250 		char buf[80];
251 
252 		cp = *cpp;
253 		if (cp[0] == 'i' && cp[1] == 'n' && cp[2] == 't') {
254 			cp += 3;
255 			if (*cp == 'r')
256 				cp++;
257 		}
258 		for (tp = buf; *cp; cp++)
259 			if (islower(*cp))
260 				*tp++ = toupper(*cp);
261 			else
262 				*tp++ = *cp;
263 		*tp = '\0';
264 		fprintf(gp, "#define\tI_%s\t%d\n", buf, i*sizeof (long));
265 		fprintf(fp, "\t.asciz\t\"%s\"\n", *cpp);
266 		cpp++;
267 	}
268 }
269 
270 dump_intname(fp, vector, number)
271 	register FILE *fp;
272 	char *vector;
273 	int number;
274 {
275 	register char *cp = vector;
276 
277 	fprintf(fp, "\t.asciz\t\"");
278 	/*
279 	 * Skip any "int" or "intr" in the name.
280 	 */
281 	while (*cp)
282 		if (cp[0] == 'i' && cp[1] == 'n' &&  cp[2] == 't') {
283 			cp += 3;
284 			if (*cp == 'r')
285 				cp++;
286 		} else {
287 			putc(*cp, fp);
288 			cp++;
289 		}
290 	fprintf(fp, "%d\"\n", number);
291 }
292 
293 /*
294  * Reserve space for the interrupt counters.
295  */
296 dump_ctrs(fp)
297 	register FILE *fp;
298 {
299 	struct stdintrs *si = &stdintrs[machine-1];
300 
301 	fprintf(fp, "_eintrnames:\n");
302 	fprintf(fp, "\n\t.globl\t_intrcnt\n");
303 	fprintf(fp, "\n\t.globl\t_eintrcnt\n");
304 	fprintf(fp, "\t.align 2\n");
305 	fprintf(fp, "_intrcnt:\n");
306 	fprintf(fp, "\t.space\t4 * %d\n", si->si_n);
307 	fprintf(fp, "_fltintrcnt:\n");
308 	fprintf(fp, "\t.space\t4 * %d\n", cntcnt);
309 	fprintf(fp, "_eintrcnt:\n\n");
310 	fprintf(fp, "\t.text\n");
311 }
312