printk.cc (3535:af201ccd2e51) printk.cc (4046:ef34b290091e)
1/*
2 * Copyright (c) 2004-2005 The Regents of The University of Michigan
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met: redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer;
9 * redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution;
12 * neither the name of the copyright holders nor the names of its
13 * contributors may be used to endorse or promote products derived from
14 * this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 *
28 * Authors: Nathan Binkert
29 * Ali Saidi
30 */
31
32#include <sys/types.h>
33#include <algorithm>
34
35#include "base/trace.hh"
36#include "arch/arguments.hh"
37
38using namespace std;
39
40
41void
42Printk(TheISA::Arguments args)
43{
1/*
2 * Copyright (c) 2004-2005 The Regents of The University of Michigan
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met: redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer;
9 * redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution;
12 * neither the name of the copyright holders nor the names of its
13 * contributors may be used to endorse or promote products derived from
14 * this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 *
28 * Authors: Nathan Binkert
29 * Ali Saidi
30 */
31
32#include <sys/types.h>
33#include <algorithm>
34
35#include "base/trace.hh"
36#include "arch/arguments.hh"
37
38using namespace std;
39
40
41void
42Printk(TheISA::Arguments args)
43{
44 std::ostream &out = Trace::output();
44 char *p = (char *)args++;
45
45 char *p = (char *)args++;
46
46 ios::fmtflags saved_flags = DebugOut().flags();
47 char old_fill = DebugOut().fill();
48 int old_precision = DebugOut().precision();
47 ios::fmtflags saved_flags = out.flags();
48 char old_fill = out.fill();
49 int old_precision = out.precision();
49
50 while (*p) {
51 switch (*p) {
52 case '%': {
53 bool more = true;
54 bool islong = false;
55 bool leftjustify = false;
56 bool format = false;
57 bool zero = false;
58 int width = 0;
59 while (more && *++p) {
60 switch (*p) {
61 case 'l':
62 case 'L':
63 islong = true;
64 break;
65 case '-':
66 leftjustify = true;
67 break;
68 case '#':
69 format = true;
70 break;
71 case '0':
72 if (width)
73 width *= 10;
74 else
75 zero = true;
76 break;
77 default:
78 if (*p >= '1' && *p <= '9')
79 width = 10 * width + *p - '0';
80 else
81 more = false;
82 break;
83 }
84 }
85
86 bool hexnum = false;
87 bool octal = false;
88 bool sign = false;
89 switch (*p) {
90 case 'X':
91 case 'x':
92 hexnum = true;
93 break;
94 case 'O':
95 case 'o':
96 octal = true;
97 break;
98 case 'D':
99 case 'd':
100 sign = true;
101 break;
102 case 'P':
103 format = true;
104 case 'p':
105 hexnum = true;
106 break;
107 }
108
109 switch (*p) {
110 case 'D':
111 case 'd':
112 case 'U':
113 case 'u':
114 case 'X':
115 case 'x':
116 case 'O':
117 case 'o':
118 case 'P':
119 case 'p': {
120 if (hexnum)
50
51 while (*p) {
52 switch (*p) {
53 case '%': {
54 bool more = true;
55 bool islong = false;
56 bool leftjustify = false;
57 bool format = false;
58 bool zero = false;
59 int width = 0;
60 while (more && *++p) {
61 switch (*p) {
62 case 'l':
63 case 'L':
64 islong = true;
65 break;
66 case '-':
67 leftjustify = true;
68 break;
69 case '#':
70 format = true;
71 break;
72 case '0':
73 if (width)
74 width *= 10;
75 else
76 zero = true;
77 break;
78 default:
79 if (*p >= '1' && *p <= '9')
80 width = 10 * width + *p - '0';
81 else
82 more = false;
83 break;
84 }
85 }
86
87 bool hexnum = false;
88 bool octal = false;
89 bool sign = false;
90 switch (*p) {
91 case 'X':
92 case 'x':
93 hexnum = true;
94 break;
95 case 'O':
96 case 'o':
97 octal = true;
98 break;
99 case 'D':
100 case 'd':
101 sign = true;
102 break;
103 case 'P':
104 format = true;
105 case 'p':
106 hexnum = true;
107 break;
108 }
109
110 switch (*p) {
111 case 'D':
112 case 'd':
113 case 'U':
114 case 'u':
115 case 'X':
116 case 'x':
117 case 'O':
118 case 'o':
119 case 'P':
120 case 'p': {
121 if (hexnum)
121 DebugOut() << hex;
122 out << hex;
122
123 if (octal)
123
124 if (octal)
124 DebugOut() << oct;
125 out << oct;
125
126 if (format) {
127 if (!zero)
126
127 if (format) {
128 if (!zero)
128 DebugOut().setf(ios::showbase);
129 out.setf(ios::showbase);
129 else {
130 if (hexnum) {
130 else {
131 if (hexnum) {
131 DebugOut() << "0x";
132 out << "0x";
132 width -= 2;
133 } else if (octal) {
133 width -= 2;
134 } else if (octal) {
134 DebugOut() << "0";
135 out << "0";
135 width -= 1;
136 }
137 }
138 }
139
140 if (zero)
136 width -= 1;
137 }
138 }
139 }
140
141 if (zero)
141 DebugOut().fill('0');
142 out.fill('0');
142
143 if (width > 0)
143
144 if (width > 0)
144 DebugOut().width(width);
145 out.width(width);
145
146 if (leftjustify && !zero)
146
147 if (leftjustify && !zero)
147 DebugOut().setf(ios::left);
148 out.setf(ios::left);
148
149 if (sign) {
150 if (islong)
149
150 if (sign) {
151 if (islong)
151 DebugOut() << (int64_t)args;
152 out << (int64_t)args;
152 else
153 else
153 DebugOut() << (int32_t)args;
154 out << (int32_t)args;
154 } else {
155 if (islong)
155 } else {
156 if (islong)
156 DebugOut() << (uint64_t)args;
157 out << (uint64_t)args;
157 else
158 else
158 DebugOut() << (uint32_t)args;
159 out << (uint32_t)args;
159 }
160
161 if (zero)
160 }
161
162 if (zero)
162 DebugOut().fill(' ');
163 out.fill(' ');
163
164 if (width > 0)
164
165 if (width > 0)
165 DebugOut().width(0);
166 out.width(0);
166
167
167 DebugOut() << dec;
168 out << dec;
168
169 ++args;
170 }
171 break;
172
173 case 's': {
174 char *s = (char *)args;
175 if (!s)
176 s = "<NULL>";
177
178 if (width > 0)
169
170 ++args;
171 }
172 break;
173
174 case 's': {
175 char *s = (char *)args;
176 if (!s)
177 s = "<NULL>";
178
179 if (width > 0)
179 DebugOut().width(width);
180 out.width(width);
180 if (leftjustify)
181 if (leftjustify)
181 DebugOut().setf(ios::left);
182 out.setf(ios::left);
182
183
183 DebugOut() << s;
184 out << s;
184 ++args;
185 }
186 break;
187 case 'C':
188 case 'c': {
189 uint64_t mask = (*p == 'C') ? 0xffL : 0x7fL;
190 uint64_t num;
191 int width;
192
193 if (islong) {
194 num = (uint64_t)args;
195 width = sizeof(uint64_t);
196 } else {
197 num = (uint32_t)args;
198 width = sizeof(uint32_t);
199 }
200
201 while (width-- > 0) {
202 char c = (char)(num & mask);
203 if (c)
185 ++args;
186 }
187 break;
188 case 'C':
189 case 'c': {
190 uint64_t mask = (*p == 'C') ? 0xffL : 0x7fL;
191 uint64_t num;
192 int width;
193
194 if (islong) {
195 num = (uint64_t)args;
196 width = sizeof(uint64_t);
197 } else {
198 num = (uint32_t)args;
199 width = sizeof(uint32_t);
200 }
201
202 while (width-- > 0) {
203 char c = (char)(num & mask);
204 if (c)
204 DebugOut() << c;
205 out << c;
205 num >>= 8;
206 }
207
208 ++args;
209 }
210 break;
211 case 'b': {
212 uint64_t n = (uint64_t)args++;
213 char *s = (char *)args++;
206 num >>= 8;
207 }
208
209 ++args;
210 }
211 break;
212 case 'b': {
213 uint64_t n = (uint64_t)args++;
214 char *s = (char *)args++;
214 DebugOut() << s << ": " << n;
215 out << s << ": " << n;
215 }
216 break;
217 case 'n':
218 case 'N': {
219 args += 2;
220#if 0
221 uint64_t n = (uint64_t)args++;
222 struct reg_values *rv = (struct reg_values *)args++;
223#endif
224 }
225 break;
226 case 'r':
227 case 'R': {
228 args += 2;
229#if 0
230 uint64_t n = (uint64_t)args++;
231 struct reg_desc *rd = (struct reg_desc *)args++;
232#endif
233 }
234 break;
235 case '%':
216 }
217 break;
218 case 'n':
219 case 'N': {
220 args += 2;
221#if 0
222 uint64_t n = (uint64_t)args++;
223 struct reg_values *rv = (struct reg_values *)args++;
224#endif
225 }
226 break;
227 case 'r':
228 case 'R': {
229 args += 2;
230#if 0
231 uint64_t n = (uint64_t)args++;
232 struct reg_desc *rd = (struct reg_desc *)args++;
233#endif
234 }
235 break;
236 case '%':
236 DebugOut() << '%';
237 out << '%';
237 break;
238 }
239 ++p;
240 }
241 break;
242 case '\n':
238 break;
239 }
240 ++p;
241 }
242 break;
243 case '\n':
243 DebugOut() << endl;
244 out << endl;
244 ++p;
245 break;
246 case '\r':
247 ++p;
248 if (*p != '\n')
245 ++p;
246 break;
247 case '\r':
248 ++p;
249 if (*p != '\n')
249 DebugOut() << endl;
250 out << endl;
250 break;
251
252 default: {
253 size_t len = strcspn(p, "%\n\r\0");
251 break;
252
253 default: {
254 size_t len = strcspn(p, "%\n\r\0");
254 DebugOut().write(p, len);
255 out.write(p, len);
255 p += len;
256 }
257 }
258 }
259
256 p += len;
257 }
258 }
259 }
260
260 DebugOut().flags(saved_flags);
261 DebugOut().fill(old_fill);
262 DebugOut().precision(old_precision);
261 out.flags(saved_flags);
262 out.fill(old_fill);
263 out.precision(old_precision);
263}
264
264}
265