xref: /netbsd/usr.sbin/gspa/gspa/gsp_out.c (revision 6550d01e)
1 /*	$NetBSD: gsp_out.c,v 1.10 2009/04/15 08:26:35 lukem Exp $	*/
2 /*
3  * GSP assembler - binary & listing output
4  *
5  * Copyright (c) 1993 Paul Mackerras.
6  * All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  * 3. All advertising materials mentioning features or use of this software
17  *    must display the following acknowledgement:
18  *      This product includes software developed by Paul Mackerras.
19  * 4. The name of the author may not be used to endorse or promote products
20  *    derived from this software without specific prior written permission
21  *
22  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
23  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
24  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
25  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
26  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
27  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
28  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
29  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
30  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
31  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32  */
33 
34 #include <sys/cdefs.h>
35 #ifndef lint
36 __RCSID("$NetBSD: gsp_out.c,v 1.10 2009/04/15 08:26:35 lukem Exp $");
37 #endif
38 
39 #include <stdio.h>
40 #include <stdlib.h>
41 #include <string.h>
42 #include <util.h>
43 #include "gsp_ass.h"
44 
45 u_int16_t codes[5];
46 unsigned ncode;
47 unsigned code_idx;
48 short show_pc;
49 short show_val;
50 int32_t val_to_show;
51 extern unsigned line_pc;
52 
53 unsigned obj_addr = 0;
54 
55 extern FILE *objfile, *listfile;
56 extern char line[];
57 
58 extern char *c_name;
59 u_int16_t c_buf[4096];
60 u_int32_t c_bufptr, c_binads;
61 
62 void c_checkbuf(void);
63 void c_dumpbuf(void);
64 
65 struct error {
66 	struct error *next;
67 	char	string[1];
68 };
69 
70 struct error *error_list, *error_last;
71 
72 void do_list_pc(void);
73 void do_show_val(int32_t);
74 void listing_line(void);
75 void put1code(u_int16_t);
76 void show_errors(void);
77 
78 void
79 putcode(u_int16_t *v, int n)
80 {
81 	for( ; n > 0; --n )
82 		put1code(*v++);
83 }
84 
85 void
86 put1code(u_int16_t v)
87 {
88 	if( code_idx >= 3 )
89 		listing_line();
90 	codes[code_idx] = v;
91 	if( objfile != NULL ){
92 		if( pc != obj_addr ){
93 			if (c_name) {
94 				if (c_bufptr > 0)
95 					c_dumpbuf();
96 				c_binads = pc;
97 				c_bufptr = 0;
98 			} else {
99 				/* expect this only when ncode == 0 */
100 				if (ncode % 8 != 0)
101 					fprintf(objfile, "\n");
102 				fprintf(objfile, "@%x\n", pc);
103 			}
104 			obj_addr = pc;
105 		} else {
106 			if((ncode % 8 != 0) && !c_name)
107 				fprintf(objfile, " ");
108 		}
109 		if (c_name) {
110 			c_checkbuf();
111 			c_buf[c_bufptr++] = v;
112 		} else
113 			fprintf(objfile, "%.4X", v & 0xFFFF);
114 		obj_addr += 0x10;
115 		if((ncode % 8 == 7) && !c_name)
116 			fprintf(objfile, "\n");
117 	}
118 	++ncode;
119 	++code_idx;
120 	pc += 0x10;
121 	show_pc = TRUE;
122 }
123 
124 void
125 c_checkbuf()
126 {
127 	if (c_bufptr > (sizeof(c_buf)/sizeof(*c_buf)))
128 		c_dumpbuf();
129 }
130 
131 void
132 c_dumpbuf()
133 {
134 	uint32_t i;
135 
136 	fprintf(objfile, "\n\n\t%d, 0x%04x, 0x%04x, /* new block */",
137 	    c_bufptr, (int)(c_binads >> 16), (int)(c_binads & 0xffff));
138 
139 	for (i=0; i < c_bufptr; ++i) {
140 		if (i%8 == 0)
141 			fprintf(objfile, "\n\t");
142 		fprintf(objfile, "0x%04x, ", c_buf[i]);
143 	}
144 	c_binads += c_bufptr;
145 	c_bufptr = 0;
146 }
147 
148 void
149 start_at(u_int32_t val)
150 {
151 	if( objfile != NULL ) {
152 		if (c_name) {
153 			c_checkbuf();
154 			fprintf(objfile,
155 			    "\n\n\t2, 0xffff, 0xfee0, 0x%04x, 0x%04x,"
156 			      "\n\t2, 0xffff, 0xffe0, 0x%04x, 0x%04x,\n",
157 			    val & 0xffff, val >> 16, val & 0xffff, val >> 16);
158 		} else
159 			fprintf(objfile, ":%lX\n", (long)val);
160 	}
161 }
162 
163 void
164 do_list_pc()
165 {
166 	if( pass2 )
167 		show_pc = TRUE;
168 }
169 
170 void
171 do_show_val(int32_t v)
172 {
173 	if( ncode == 0 ){
174 		val_to_show = v;
175 		show_val = TRUE;
176 		show_pc = FALSE;
177 	}
178 }
179 
180 void
181 list_error(char *string)
182 {
183 	struct error *p;
184 	int l;
185 
186 	if( listfile == NULL )
187 		return;
188 	l = strlen(string);
189 	p = emalloc(sizeof(struct error) + l);
190 	strcpy(p->string, string);
191 	p->next = NULL;
192 	if( error_list == NULL )
193 		error_list = p;
194 	else
195 		error_last->next = p;
196 	error_last = p;
197 }
198 
199 void
200 show_errors()
201 {
202 	struct error *p, *q;
203 
204 	for( p = error_list; p != NULL; p = q ){
205 		if( listfile != NULL )
206 			fprintf(listfile, "\t\t\t%s\n", p->string);
207 		q = p->next;
208 		free(p);
209 	}
210 	error_list = error_last = NULL;
211 }
212 
213 void
214 listing()
215 {
216 	if( objfile != NULL && ncode % 8 != 0 && !c_name)
217 		fprintf(objfile, "\n");
218 	listing_line();
219 	show_errors();
220 	ncode = 0;
221 	show_pc = FALSE;
222 }
223 
224 void
225 listing_line()
226 {
227 	unsigned i;
228 
229 	if( listfile == NULL ){
230 		code_idx = 0;
231 		return;
232 	}
233 	if( show_pc )
234 		fprintf(listfile, "%.8X", line_pc);
235 	else
236 		fprintf(listfile, "        ");
237 	if( show_val ){
238 		fprintf(listfile, "  %.8X", val_to_show);
239 		i = 2;
240 	} else {
241 		for( i = 0; i < code_idx; ++i )
242 			fprintf(listfile, " %.4X", codes[i]);
243 	}
244 	if( ncode <= 3 ){
245 		for( ; i < 3; ++i )
246 			fprintf(listfile, "     ");
247 		fprintf(listfile, " %s", line);
248 	} else
249 		fprintf(listfile, "\n");
250 	line_pc += code_idx << 4;
251 	code_idx = 0;
252 	show_val = FALSE;
253 }
254