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1 | /* |
1 | /* |
2 | * Copyright (c) 2005 Jakub Jermar |
2 | * Copyright (c) 2005 Jakub Jermar |
3 | * All rights reserved. |
3 | * All rights reserved. |
4 | * |
4 | * |
5 | * Redistribution and use in source and binary forms, with or without |
5 | * Redistribution and use in source and binary forms, with or without |
6 | * modification, are permitted provided that the following conditions |
6 | * modification, are permitted provided that the following conditions |
7 | * are met: |
7 | * are met: |
8 | * |
8 | * |
9 | * - Redistributions of source code must retain the above copyright |
9 | * - Redistributions of source code must retain the above copyright |
10 | * notice, this list of conditions and the following disclaimer. |
10 | * notice, this list of conditions and the following disclaimer. |
11 | * - Redistributions in binary form must reproduce the above copyright |
11 | * - Redistributions in binary form must reproduce the above copyright |
12 | * notice, this list of conditions and the following disclaimer in the |
12 | * notice, this list of conditions and the following disclaimer in the |
13 | * documentation and/or other materials provided with the distribution. |
13 | * documentation and/or other materials provided with the distribution. |
14 | * - The name of the author may not be used to endorse or promote products |
14 | * - The name of the author may not be used to endorse or promote products |
15 | * derived from this software without specific prior written permission. |
15 | * derived from this software without specific prior written permission. |
16 | * |
16 | * |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
27 | */ |
27 | */ |
28 | 28 | ||
29 | /** @addtogroup genericconsole |
29 | /** @addtogroup genericconsole |
30 | * @{ |
30 | * @{ |
31 | */ |
31 | */ |
32 | 32 | ||
33 | /** |
33 | /** |
34 | * @file kconsole.c |
34 | * @file kconsole.c |
35 | * @brief Kernel console. |
35 | * @brief Kernel console. |
36 | * |
36 | * |
37 | * This file contains kernel thread managing the kernel console. |
37 | * This file contains kernel thread managing the kernel console. |
38 | */ |
38 | */ |
39 | 39 | ||
40 | #include <console/kconsole.h> |
40 | #include <console/kconsole.h> |
41 | #include <console/console.h> |
41 | #include <console/console.h> |
42 | #include <console/chardev.h> |
42 | #include <console/chardev.h> |
43 | #include <console/cmd.h> |
43 | #include <console/cmd.h> |
44 | #include <print.h> |
44 | #include <print.h> |
45 | #include <panic.h> |
45 | #include <panic.h> |
46 | #include <arch/types.h> |
46 | #include <arch/types.h> |
47 | #include <adt/list.h> |
47 | #include <adt/list.h> |
48 | #include <arch.h> |
48 | #include <arch.h> |
49 | #include <macros.h> |
49 | #include <macros.h> |
50 | #include <debug.h> |
50 | #include <debug.h> |
51 | #include <func.h> |
51 | #include <func.h> |
52 | #include <symtab.h> |
52 | #include <string.h> |
53 | #include <macros.h> |
53 | #include <macros.h> |
- | 54 | #include <sysinfo/sysinfo.h> |
|
- | 55 | #include <ddi/device.h> |
|
- | 56 | #include <symtab.h> |
|
- | 57 | #include <errno.h> |
|
54 | 58 | ||
55 | /** Simple kernel console. |
59 | /** Simple kernel console. |
56 | * |
60 | * |
57 | * The console is realized by kernel thread kconsole. |
61 | * The console is realized by kernel thread kconsole. |
58 | * It doesn't understand any useful command on its own, |
62 | * It doesn't understand any useful command on its own, |
59 | * but makes it possible for other kernel subsystems to |
63 | * but makes it possible for other kernel subsystems to |
60 | * register their own commands. |
64 | * register their own commands. |
61 | */ |
65 | */ |
62 | 66 | ||
63 | /** Locking. |
67 | /** Locking. |
64 | * |
68 | * |
65 | * There is a list of cmd_info_t structures. This list |
69 | * There is a list of cmd_info_t structures. This list |
66 | * is protected by cmd_lock spinlock. Note that specially |
70 | * is protected by cmd_lock spinlock. Note that specially |
67 | * the link elements of cmd_info_t are protected by |
71 | * the link elements of cmd_info_t are protected by |
68 | * this lock. |
72 | * this lock. |
69 | * |
73 | * |
70 | * Each cmd_info_t also has its own lock, which protects |
74 | * Each cmd_info_t also has its own lock, which protects |
71 | * all elements thereof except the link element. |
75 | * all elements thereof except the link element. |
72 | * |
76 | * |
73 | * cmd_lock must be acquired before any cmd_info lock. |
77 | * cmd_lock must be acquired before any cmd_info lock. |
74 | * When locking two cmd info structures, structure with |
78 | * When locking two cmd info structures, structure with |
75 | * lower address must be locked first. |
79 | * lower address must be locked first. |
76 | */ |
80 | */ |
77 | 81 | ||
78 | SPINLOCK_INITIALIZE(cmd_lock); /**< Lock protecting command list. */ |
82 | SPINLOCK_INITIALIZE(cmd_lock); /**< Lock protecting command list. */ |
79 | LIST_INITIALIZE(cmd_head); /**< Command list. */ |
83 | LIST_INITIALIZE(cmd_head); /**< Command list. */ |
80 | 84 | ||
81 | static cmd_info_t *parse_cmdline(char *cmdline, size_t len); |
85 | static cmd_info_t *parse_cmdline(char *cmdline, size_t len); |
82 | static bool parse_argument(char *cmdline, size_t len, index_t *start, |
86 | static bool parse_argument(char *cmdline, size_t len, index_t *start, |
83 | index_t *end); |
87 | index_t *end); |
84 | static char history[KCONSOLE_HISTORY][MAX_CMDLINE] = {}; |
88 | static char history[KCONSOLE_HISTORY][MAX_CMDLINE] = {}; |
85 | 89 | ||
- | 90 | /* |
|
- | 91 | * For now, we use 0 as INR. |
|
- | 92 | * However, it is therefore desirable to have architecture specific |
|
- | 93 | * definition of KCONSOLE_VIRT_INR in the future. |
|
- | 94 | */ |
|
- | 95 | #define KCONSOLE_VIRT_INR 0 |
|
- | 96 | ||
- | 97 | bool kconsole_notify = false; |
|
- | 98 | irq_t kconsole_irq; |
|
- | 99 | ||
- | 100 | ||
- | 101 | /** Allways refuse IRQ ownership. |
|
- | 102 | * |
|
- | 103 | * This is not a real IRQ, so we always decline. |
|
- | 104 | * |
|
- | 105 | * @return Always returns IRQ_DECLINE. |
|
- | 106 | * |
|
- | 107 | */ |
|
- | 108 | static irq_ownership_t kconsole_claim(irq_t *irq) |
|
- | 109 | { |
|
- | 110 | return IRQ_DECLINE; |
|
- | 111 | } |
|
- | 112 | ||
- | 113 | ||
86 | /** Initialize kconsole data structures. */ |
114 | /** Initialize kconsole data structures |
- | 115 | * |
|
- | 116 | * This is the most basic initialization, almost no |
|
- | 117 | * other kernel subsystem is ready yet. |
|
- | 118 | * |
|
- | 119 | */ |
|
87 | void kconsole_init(void) |
120 | void kconsole_init(void) |
88 | { |
121 | { |
89 | int i; |
122 | unsigned int i; |
90 | 123 | ||
91 | cmd_init(); |
124 | cmd_init(); |
92 | for (i = 0; i < KCONSOLE_HISTORY; i++) |
125 | for (i = 0; i < KCONSOLE_HISTORY; i++) |
93 | history[i][0] = '\0'; |
126 | history[i][0] = '\0'; |
94 | } |
127 | } |
95 | 128 | ||
96 | 129 | ||
- | 130 | /** Initialize kconsole notification mechanism |
|
- | 131 | * |
|
- | 132 | * Initialize the virtual IRQ notification mechanism. |
|
- | 133 | * |
|
- | 134 | */ |
|
- | 135 | void kconsole_notify_init(void) |
|
- | 136 | { |
|
- | 137 | sysinfo_set_item_val("kconsole.present", NULL, true); |
|
- | 138 | sysinfo_set_item_val("kconsole.inr", NULL, KCONSOLE_VIRT_INR); |
|
- | 139 | ||
- | 140 | irq_initialize(&kconsole_irq); |
|
- | 141 | kconsole_irq.devno = device_assign_devno(); |
|
- | 142 | kconsole_irq.inr = KCONSOLE_VIRT_INR; |
|
- | 143 | kconsole_irq.claim = kconsole_claim; |
|
- | 144 | irq_register(&kconsole_irq); |
|
- | 145 | ||
- | 146 | kconsole_notify = true; |
|
- | 147 | } |
|
- | 148 | ||
- | 149 | ||
97 | /** Register kconsole command. |
150 | /** Register kconsole command. |
98 | * |
151 | * |
99 | * @param cmd Structure describing the command. |
152 | * @param cmd Structure describing the command. |
100 | * |
153 | * |
101 | * @return 0 on failure, 1 on success. |
154 | * @return 0 on failure, 1 on success. |
102 | */ |
155 | */ |
103 | int cmd_register(cmd_info_t *cmd) |
156 | int cmd_register(cmd_info_t *cmd) |
104 | { |
157 | { |
105 | link_t *cur; |
158 | link_t *cur; |
106 | 159 | ||
107 | spinlock_lock(&cmd_lock); |
160 | spinlock_lock(&cmd_lock); |
108 | 161 | ||
109 | /* |
162 | /* |
110 | * Make sure the command is not already listed. |
163 | * Make sure the command is not already listed. |
111 | */ |
164 | */ |
112 | for (cur = cmd_head.next; cur != &cmd_head; cur = cur->next) { |
165 | for (cur = cmd_head.next; cur != &cmd_head; cur = cur->next) { |
113 | cmd_info_t *hlp; |
166 | cmd_info_t *hlp; |
114 | 167 | ||
115 | hlp = list_get_instance(cur, cmd_info_t, link); |
168 | hlp = list_get_instance(cur, cmd_info_t, link); |
116 | 169 | ||
117 | if (hlp == cmd) { |
170 | if (hlp == cmd) { |
118 | /* The command is already there. */ |
171 | /* The command is already there. */ |
119 | spinlock_unlock(&cmd_lock); |
172 | spinlock_unlock(&cmd_lock); |
120 | return 0; |
173 | return 0; |
121 | } |
174 | } |
122 | 175 | ||
123 | /* Avoid deadlock. */ |
176 | /* Avoid deadlock. */ |
124 | if (hlp < cmd) { |
177 | if (hlp < cmd) { |
125 | spinlock_lock(&hlp->lock); |
178 | spinlock_lock(&hlp->lock); |
126 | spinlock_lock(&cmd->lock); |
179 | spinlock_lock(&cmd->lock); |
127 | } else { |
180 | } else { |
128 | spinlock_lock(&cmd->lock); |
181 | spinlock_lock(&cmd->lock); |
129 | spinlock_lock(&hlp->lock); |
182 | spinlock_lock(&hlp->lock); |
130 | } |
183 | } |
131 | if ((strncmp(hlp->name, cmd->name, max(strlen(cmd->name), |
184 | if ((strncmp(hlp->name, cmd->name, max(strlen(cmd->name), |
132 | strlen(hlp->name))) == 0)) { |
185 | strlen(hlp->name))) == 0)) { |
133 | /* The command is already there. */ |
186 | /* The command is already there. */ |
134 | spinlock_unlock(&hlp->lock); |
187 | spinlock_unlock(&hlp->lock); |
135 | spinlock_unlock(&cmd->lock); |
188 | spinlock_unlock(&cmd->lock); |
136 | spinlock_unlock(&cmd_lock); |
189 | spinlock_unlock(&cmd_lock); |
137 | return 0; |
190 | return 0; |
138 | } |
191 | } |
139 | 192 | ||
140 | spinlock_unlock(&hlp->lock); |
193 | spinlock_unlock(&hlp->lock); |
141 | spinlock_unlock(&cmd->lock); |
194 | spinlock_unlock(&cmd->lock); |
142 | } |
195 | } |
143 | 196 | ||
144 | /* |
197 | /* |
145 | * Now the command can be added. |
198 | * Now the command can be added. |
146 | */ |
199 | */ |
147 | list_append(&cmd->link, &cmd_head); |
200 | list_append(&cmd->link, &cmd_head); |
148 | 201 | ||
149 | spinlock_unlock(&cmd_lock); |
202 | spinlock_unlock(&cmd_lock); |
150 | return 1; |
203 | return 1; |
151 | } |
204 | } |
152 | 205 | ||
153 | /** Print count times a character */ |
206 | /** Print count times a character */ |
154 | static void rdln_print_c(char ch, int count) |
207 | static void rdln_print_c(char ch, int count) |
155 | { |
208 | { |
156 | int i; |
209 | int i; |
157 | for (i = 0; i < count; i++) |
210 | for (i = 0; i < count; i++) |
158 | putchar(ch); |
211 | putchar(ch); |
159 | } |
212 | } |
160 | 213 | ||
161 | /** Insert character to string */ |
214 | /** Insert character to string */ |
162 | static void insert_char(char *str, char ch, int pos) |
215 | static void insert_char(char *str, char ch, int pos) |
163 | { |
216 | { |
164 | int i; |
217 | int i; |
165 | 218 | ||
166 | for (i = strlen(str); i > pos; i--) |
219 | for (i = strlen(str); i > pos; i--) |
167 | str[i] = str[i - 1]; |
220 | str[i] = str[i - 1]; |
168 | str[pos] = ch; |
221 | str[pos] = ch; |
169 | } |
222 | } |
170 | 223 | ||
171 | /** Try to find a command beginning with prefix */ |
224 | /** Try to find a command beginning with prefix */ |
172 | static const char *cmdtab_search_one(const char *name,link_t **startpos) |
225 | static const char *cmdtab_search_one(const char *name,link_t **startpos) |
173 | { |
226 | { |
174 | size_t namelen = strlen(name); |
227 | size_t namelen = strlen(name); |
175 | const char *curname; |
228 | const char *curname; |
176 | 229 | ||
177 | spinlock_lock(&cmd_lock); |
230 | spinlock_lock(&cmd_lock); |
178 | 231 | ||
179 | if (!*startpos) |
232 | if (!*startpos) |
180 | *startpos = cmd_head.next; |
233 | *startpos = cmd_head.next; |
181 | 234 | ||
182 | for (; *startpos != &cmd_head; *startpos = (*startpos)->next) { |
235 | for (; *startpos != &cmd_head; *startpos = (*startpos)->next) { |
183 | cmd_info_t *hlp; |
236 | cmd_info_t *hlp; |
184 | hlp = list_get_instance(*startpos, cmd_info_t, link); |
237 | hlp = list_get_instance(*startpos, cmd_info_t, link); |
185 | 238 | ||
186 | curname = hlp->name; |
239 | curname = hlp->name; |
187 | if (strlen(curname) < namelen) |
240 | if (strlen(curname) < namelen) |
188 | continue; |
241 | continue; |
189 | if (strncmp(curname, name, namelen) == 0) { |
242 | if (strncmp(curname, name, namelen) == 0) { |
190 | spinlock_unlock(&cmd_lock); |
243 | spinlock_unlock(&cmd_lock); |
191 | return curname+namelen; |
244 | return curname+namelen; |
192 | } |
245 | } |
193 | } |
246 | } |
194 | spinlock_unlock(&cmd_lock); |
247 | spinlock_unlock(&cmd_lock); |
195 | return NULL; |
248 | return NULL; |
196 | } |
249 | } |
197 | 250 | ||
198 | 251 | ||
199 | /** Command completion of the commands |
252 | /** Command completion of the commands |
200 | * |
253 | * |
201 | * @param name - string to match, changed to hint on exit |
254 | * @param name - string to match, changed to hint on exit |
202 | * @return number of found matches |
255 | * @return number of found matches |
203 | */ |
256 | */ |
204 | static int cmdtab_compl(char *name) |
257 | static int cmdtab_compl(char *name) |
205 | { |
258 | { |
206 | static char output[MAX_SYMBOL_NAME + 1]; |
259 | static char output[/*MAX_SYMBOL_NAME*/128 + 1]; |
207 | link_t *startpos = NULL; |
260 | link_t *startpos = NULL; |
208 | const char *foundtxt; |
261 | const char *foundtxt; |
209 | int found = 0; |
262 | int found = 0; |
210 | int i; |
263 | int i; |
211 | 264 | ||
212 | output[0] = '\0'; |
265 | output[0] = '\0'; |
213 | while ((foundtxt = cmdtab_search_one(name, &startpos))) { |
266 | while ((foundtxt = cmdtab_search_one(name, &startpos))) { |
214 | startpos = startpos->next; |
267 | startpos = startpos->next; |
215 | if (!found) |
268 | if (!found) |
216 | strncpy(output, foundtxt, strlen(foundtxt) + 1); |
269 | strncpy(output, foundtxt, strlen(foundtxt) + 1); |
217 | else { |
270 | else { |
218 | for (i = 0; output[i] && foundtxt[i] && |
271 | for (i = 0; output[i] && foundtxt[i] && |
219 | output[i] == foundtxt[i]; i++) |
272 | output[i] == foundtxt[i]; i++) |
220 | ; |
273 | ; |
221 | output[i] = '\0'; |
274 | output[i] = '\0'; |
222 | } |
275 | } |
223 | found++; |
276 | found++; |
224 | } |
277 | } |
225 | if (!found) |
278 | if (!found) |
226 | return 0; |
279 | return 0; |
227 | 280 | ||
228 | if (found > 1 && !strlen(output)) { |
281 | if (found > 1 && !strlen(output)) { |
229 | printf("\n"); |
282 | printf("\n"); |
230 | startpos = NULL; |
283 | startpos = NULL; |
231 | while ((foundtxt = cmdtab_search_one(name, &startpos))) { |
284 | while ((foundtxt = cmdtab_search_one(name, &startpos))) { |
232 | cmd_info_t *hlp; |
285 | cmd_info_t *hlp; |
233 | hlp = list_get_instance(startpos, cmd_info_t, link); |
286 | hlp = list_get_instance(startpos, cmd_info_t, link); |
234 | printf("%s - %s\n", hlp->name, hlp->description); |
287 | printf("%s - %s\n", hlp->name, hlp->description); |
235 | startpos = startpos->next; |
288 | startpos = startpos->next; |
236 | } |
289 | } |
237 | } |
290 | } |
238 | strncpy(name, output, MAX_SYMBOL_NAME); |
291 | strncpy(name, output, 128/*MAX_SYMBOL_NAME*/); |
239 | return found; |
292 | return found; |
240 | - | ||
241 | } |
293 | } |
242 | 294 | ||
243 | static char *clever_readline(const char *prompt, chardev_t *input) |
295 | static char *clever_readline(const char *prompt, indev_t *input) |
244 | { |
296 | { |
245 | static int histposition = 0; |
297 | static int histposition = 0; |
246 | 298 | ||
247 | static char tmp[MAX_CMDLINE + 1]; |
299 | static char tmp[MAX_CMDLINE + 1]; |
248 | int curlen = 0, position = 0; |
300 | int curlen = 0, position = 0; |
249 | char *current = history[histposition]; |
301 | char *current = history[histposition]; |
250 | int i; |
302 | int i; |
251 | char mod; /* Command Modifier */ |
303 | char mod; /* Command Modifier */ |
252 | char c; |
304 | char c; |
253 | 305 | ||
254 | printf("%s> ", prompt); |
306 | printf("%s> ", prompt); |
255 | while (1) { |
307 | while (1) { |
256 | c = _getc(input); |
308 | c = _getc(input); |
257 | if (c == '\n') { |
309 | if (c == '\n') { |
258 | putchar(c); |
310 | putchar(c); |
259 | break; |
311 | break; |
260 | } |
312 | } |
261 | if (c == '\b') { /* Backspace */ |
313 | if (c == '\b') { /* Backspace */ |
262 | if (position == 0) |
314 | if (position == 0) |
263 | continue; |
315 | continue; |
264 | for (i = position; i < curlen; i++) |
316 | for (i = position; i < curlen; i++) |
265 | current[i - 1] = current[i]; |
317 | current[i - 1] = current[i]; |
266 | curlen--; |
318 | curlen--; |
267 | position--; |
319 | position--; |
268 | putchar('\b'); |
320 | putchar('\b'); |
269 | for (i = position; i < curlen; i++) |
321 | for (i = position; i < curlen; i++) |
270 | putchar(current[i]); |
322 | putchar(current[i]); |
271 | putchar(' '); |
323 | putchar(' '); |
272 | rdln_print_c('\b', curlen - position + 1); |
324 | rdln_print_c('\b', curlen - position + 1); |
273 | continue; |
325 | continue; |
274 | } |
326 | } |
275 | if (c == '\t') { /* Tabulator */ |
327 | if (c == '\t') { /* Tabulator */ |
276 | int found; |
328 | int found; |
277 | 329 | ||
278 | /* Move to the end of the word */ |
330 | /* Move to the end of the word */ |
279 | for (; position < curlen && current[position] != ' '; |
331 | for (; position < curlen && current[position] != ' '; |
280 | position++) |
332 | position++) |
281 | putchar(current[position]); |
333 | putchar(current[position]); |
282 | /* Copy to tmp last word */ |
334 | /* Copy to tmp last word */ |
283 | for (i = position - 1; i >= 0 && current[i] != ' '; i--) |
335 | for (i = position - 1; i >= 0 && current[i] != ' '; i--) |
284 | ; |
336 | ; |
285 | /* If word begins with * or &, skip it */ |
337 | /* If word begins with * or &, skip it */ |
286 | if (tmp[0] == '*' || tmp[0] == '&') |
338 | if (tmp[0] == '*' || tmp[0] == '&') |
287 | for (i = 1; tmp[i]; i++) |
339 | for (i = 1; tmp[i]; i++) |
288 | tmp[i - 1] = tmp[i]; |
340 | tmp[i - 1] = tmp[i]; |
289 | i++; /* I is at the start of the word */ |
341 | i++; /* I is at the start of the word */ |
290 | strncpy(tmp, current + i, position - i + 1); |
342 | strncpy(tmp, current + i, position - i + 1); |
291 | 343 | ||
292 | if (i == 0) { /* Command completion */ |
344 | if (i == 0) { /* Command completion */ |
293 | found = cmdtab_compl(tmp); |
345 | found = cmdtab_compl(tmp); |
294 | } else { /* Symtab completion */ |
346 | } else { /* Symtab completion */ |
295 | found = symtab_compl(tmp); |
347 | found = symtab_compl(tmp); |
296 | } |
348 | } |
297 | 349 | ||
298 | if (found == 0) |
350 | if (found == 0) |
299 | continue; |
351 | continue; |
300 | for (i = 0; tmp[i] && curlen < MAX_CMDLINE; |
352 | for (i = 0; tmp[i] && curlen < MAX_CMDLINE; |
301 | i++, curlen++) |
353 | i++, curlen++) |
302 | insert_char(current, tmp[i], i + position); |
354 | insert_char(current, tmp[i], i + position); |
303 | 355 | ||
304 | if (strlen(tmp) || found == 1) { /* If we have a hint */ |
356 | if (strlen(tmp) || found == 1) { /* If we have a hint */ |
305 | for (i = position; i < curlen; i++) |
357 | for (i = position; i < curlen; i++) |
306 | putchar(current[i]); |
358 | putchar(current[i]); |
307 | position += strlen(tmp); |
359 | position += strlen(tmp); |
308 | /* Add space to end */ |
360 | /* Add space to end */ |
309 | if (found == 1 && position == curlen && |
361 | if (found == 1 && position == curlen && |
310 | curlen < MAX_CMDLINE) { |
362 | curlen < MAX_CMDLINE) { |
311 | current[position] = ' '; |
363 | current[position] = ' '; |
312 | curlen++; |
364 | curlen++; |
313 | position++; |
365 | position++; |
314 | putchar(' '); |
366 | putchar(' '); |
315 | } |
367 | } |
316 | } else { /* No hint, table was printed */ |
368 | } else { /* No hint, table was printed */ |
317 | printf("%s> ", prompt); |
369 | printf("%s> ", prompt); |
318 | for (i = 0; i < curlen; i++) |
370 | for (i = 0; i < curlen; i++) |
319 | putchar(current[i]); |
371 | putchar(current[i]); |
320 | position += strlen(tmp); |
372 | position += strlen(tmp); |
321 | } |
373 | } |
322 | rdln_print_c('\b', curlen - position); |
374 | rdln_print_c('\b', curlen - position); |
323 | continue; |
375 | continue; |
324 | } |
376 | } |
325 | if (c == 0x1b) { /* Special command */ |
377 | if (c == 0x1b) { /* Special command */ |
326 | mod = _getc(input); |
378 | mod = _getc(input); |
327 | c = _getc(input); |
379 | c = _getc(input); |
328 | 380 | ||
329 | if (mod != 0x5b && mod != 0x4f) |
381 | if (mod != 0x5b && mod != 0x4f) |
330 | continue; |
382 | continue; |
331 | 383 | ||
332 | if (c == 0x33 && _getc(input) == 0x7e) { |
384 | if (c == 0x33 && _getc(input) == 0x7e) { |
333 | /* Delete */ |
385 | /* Delete */ |
334 | if (position == curlen) |
386 | if (position == curlen) |
335 | continue; |
387 | continue; |
336 | for (i = position + 1; i < curlen; i++) { |
388 | for (i = position + 1; i < curlen; i++) { |
337 | putchar(current[i]); |
389 | putchar(current[i]); |
338 | current[i - 1] = current[i]; |
390 | current[i - 1] = current[i]; |
339 | } |
391 | } |
340 | putchar(' '); |
392 | putchar(' '); |
341 | rdln_print_c('\b', curlen - position); |
393 | rdln_print_c('\b', curlen - position); |
342 | curlen--; |
394 | curlen--; |
343 | } else if (c == 0x48) { /* Home */ |
395 | } else if (c == 0x48) { /* Home */ |
344 | rdln_print_c('\b', position); |
396 | rdln_print_c('\b', position); |
345 | position = 0; |
397 | position = 0; |
346 | } else if (c == 0x46) { /* End */ |
398 | } else if (c == 0x46) { /* End */ |
347 | for (i = position; i < curlen; i++) |
399 | for (i = position; i < curlen; i++) |
348 | putchar(current[i]); |
400 | putchar(current[i]); |
349 | position = curlen; |
401 | position = curlen; |
350 | } else if (c == 0x44) { /* Left */ |
402 | } else if (c == 0x44) { /* Left */ |
351 | if (position > 0) { |
403 | if (position > 0) { |
352 | putchar('\b'); |
404 | putchar('\b'); |
353 | position--; |
405 | position--; |
354 | } |
406 | } |
355 | continue; |
407 | continue; |
356 | } else if (c == 0x43) { /* Right */ |
408 | } else if (c == 0x43) { /* Right */ |
357 | if (position < curlen) { |
409 | if (position < curlen) { |
358 | putchar(current[position]); |
410 | putchar(current[position]); |
359 | position++; |
411 | position++; |
360 | } |
412 | } |
361 | continue; |
413 | continue; |
362 | } else if (c == 0x41 || c == 0x42) { |
414 | } else if (c == 0x41 || c == 0x42) { |
363 | /* Up, down */ |
415 | /* Up, down */ |
364 | rdln_print_c('\b', position); |
416 | rdln_print_c('\b', position); |
365 | rdln_print_c(' ', curlen); |
417 | rdln_print_c(' ', curlen); |
366 | rdln_print_c('\b', curlen); |
418 | rdln_print_c('\b', curlen); |
367 | if (c == 0x41) /* Up */ |
419 | if (c == 0x41) /* Up */ |
368 | histposition--; |
420 | histposition--; |
369 | else |
421 | else |
370 | histposition++; |
422 | histposition++; |
371 | if (histposition < 0) { |
423 | if (histposition < 0) { |
372 | histposition = KCONSOLE_HISTORY - 1; |
424 | histposition = KCONSOLE_HISTORY - 1; |
373 | } else { |
425 | } else { |
374 | histposition = |
426 | histposition = |
375 | histposition % KCONSOLE_HISTORY; |
427 | histposition % KCONSOLE_HISTORY; |
376 | } |
428 | } |
377 | current = history[histposition]; |
429 | current = history[histposition]; |
378 | printf("%s", current); |
430 | printf("%s", current); |
379 | curlen = strlen(current); |
431 | curlen = strlen(current); |
380 | position = curlen; |
432 | position = curlen; |
381 | continue; |
433 | continue; |
382 | } |
434 | } |
383 | continue; |
435 | continue; |
384 | } |
436 | } |
385 | if (curlen >= MAX_CMDLINE) |
437 | if (curlen >= MAX_CMDLINE) |
386 | continue; |
438 | continue; |
387 | 439 | ||
388 | insert_char(current, c, position); |
440 | insert_char(current, c, position); |
389 | 441 | ||
390 | curlen++; |
442 | curlen++; |
391 | for (i = position; i < curlen; i++) |
443 | for (i = position; i < curlen; i++) |
392 | putchar(current[i]); |
444 | putchar(current[i]); |
393 | position++; |
445 | position++; |
394 | rdln_print_c('\b',curlen - position); |
446 | rdln_print_c('\b',curlen - position); |
395 | } |
447 | } |
396 | if (curlen) { |
448 | if (curlen) { |
397 | histposition++; |
449 | histposition++; |
398 | histposition = histposition % KCONSOLE_HISTORY; |
450 | histposition = histposition % KCONSOLE_HISTORY; |
399 | } |
451 | } |
400 | current[curlen] = '\0'; |
452 | current[curlen] = '\0'; |
401 | return current; |
453 | return current; |
402 | } |
454 | } |
403 | 455 | ||
- | 456 | bool kconsole_check_poll(void) |
|
- | 457 | { |
|
- | 458 | return check_poll(stdin); |
|
- | 459 | } |
|
- | 460 | ||
404 | /** Kernel console managing thread. |
461 | /** Kernel console prompt. |
405 | * |
462 | * |
406 | * @param prompt Kernel console prompt (e.g kconsole/panic). |
463 | * @param prompt Kernel console prompt (e.g kconsole/panic). |
- | 464 | * @param msg Message to display in the beginning. |
|
- | 465 | * @param kcon Wait for keypress to show the prompt |
|
- | 466 | * and never exit. |
|
- | 467 | * |
|
407 | */ |
468 | */ |
408 | void kconsole(void *prompt) |
469 | void kconsole(char *prompt, char *msg, bool kcon) |
409 | { |
470 | { |
410 | cmd_info_t *cmd_info; |
471 | cmd_info_t *cmd_info; |
411 | count_t len; |
472 | count_t len; |
412 | char *cmdline; |
473 | char *cmdline; |
413 | 474 | ||
414 | if (!stdin) { |
475 | if (!stdin) { |
415 | printf("%s: no stdin\n", __func__); |
476 | LOG("No stdin for kernel console"); |
416 | return; |
477 | return; |
417 | } |
478 | } |
418 | 479 | ||
- | 480 | if (msg) |
|
- | 481 | printf("%s", msg); |
|
- | 482 | ||
- | 483 | if (kcon) |
|
- | 484 | _getc(stdin); |
|
- | 485 | else |
|
- | 486 | printf("Type \"exit\" to leave the console.\n"); |
|
- | 487 | ||
419 | while (true) { |
488 | while (true) { |
420 | cmdline = clever_readline((char *) prompt, stdin); |
489 | cmdline = clever_readline((char *) prompt, stdin); |
421 | len = strlen(cmdline); |
490 | len = strlen(cmdline); |
422 | if (!len) |
491 | if (!len) |
423 | continue; |
492 | continue; |
- | 493 | ||
- | 494 | if ((!kcon) && (len == 4) && (strncmp(cmdline, "exit", 4) == 0)) |
|
- | 495 | break; |
|
- | 496 | ||
424 | cmd_info = parse_cmdline(cmdline, len); |
497 | cmd_info = parse_cmdline(cmdline, len); |
425 | if (!cmd_info) |
498 | if (!cmd_info) |
426 | continue; |
499 | continue; |
427 | if (strncmp(cmd_info->name, "exit", |
- | |
428 | min(strlen(cmd_info->name), 5)) == 0) |
- | |
429 | break; |
500 | |
430 | (void) cmd_info->func(cmd_info->argv); |
501 | (void) cmd_info->func(cmd_info->argv); |
431 | } |
502 | } |
432 | } |
503 | } |
433 | 504 | ||
- | 505 | /** Kernel console managing thread. |
|
- | 506 | * |
|
- | 507 | */ |
|
- | 508 | void kconsole_thread(void *data) |
|
- | 509 | { |
|
- | 510 | kconsole("kconsole", "Kernel console ready (press any key to activate)\n", true); |
|
- | 511 | } |
|
- | 512 | ||
434 | static int parse_int_arg(char *text, size_t len, unative_t *result) |
513 | static int parse_int_arg(char *text, size_t len, unative_t *result) |
435 | { |
514 | { |
436 | static char symname[MAX_SYMBOL_NAME]; |
- | |
437 | uintptr_t symaddr; |
515 | uintptr_t symaddr; |
438 | bool isaddr = false; |
516 | bool isaddr = false; |
439 | bool isptr = false; |
517 | bool isptr = false; |
- | 518 | int rc; |
|
- | 519 | ||
- | 520 | static char symname[MAX_SYMBOL_NAME]; |
|
440 | 521 | ||
441 | /* If we get a name, try to find it in symbol table */ |
522 | /* If we get a name, try to find it in symbol table */ |
442 | if (text[0] == '&') { |
523 | if (text[0] == '&') { |
443 | isaddr = true; |
524 | isaddr = true; |
444 | text++; |
525 | text++; |
445 | len--; |
526 | len--; |
446 | } else if (text[0] == '*') { |
527 | } else if (text[0] == '*') { |
447 | isptr = true; |
528 | isptr = true; |
448 | text++; |
529 | text++; |
449 | len--; |
530 | len--; |
450 | } |
531 | } |
451 | if (text[0] < '0' || text[0] > '9') { |
532 | if (text[0] < '0' || text[0] > '9') { |
452 | strncpy(symname, text, min(len + 1, MAX_SYMBOL_NAME)); |
533 | strncpy(symname, text, min(len + 1, MAX_SYMBOL_NAME)); |
453 | symaddr = get_symbol_addr(symname); |
534 | rc = symtab_addr_lookup(symname, &symaddr); |
454 | if (!symaddr) { |
535 | switch (rc) { |
- | 536 | case ENOENT: |
|
455 | printf("Symbol %s not found.\n", symname); |
537 | printf("Symbol %s not found.\n", symname); |
456 | return -1; |
538 | return -1; |
457 | } |
- | |
458 | if (symaddr == (uintptr_t) -1) { |
539 | case EOVERFLOW: |
459 | printf("Duplicate symbol %s.\n", symname); |
540 | printf("Duplicate symbol %s.\n", symname); |
460 | symtab_print_search(symname); |
541 | symtab_print_search(symname); |
461 | return -1; |
542 | return -1; |
- | 543 | default: |
|
- | 544 | printf("No symbol information available.\n"); |
|
- | 545 | return -1; |
|
462 | } |
546 | } |
- | 547 | ||
463 | if (isaddr) |
548 | if (isaddr) |
464 | *result = (unative_t)symaddr; |
549 | *result = (unative_t)symaddr; |
465 | else if (isptr) |
550 | else if (isptr) |
466 | *result = **((unative_t **)symaddr); |
551 | *result = **((unative_t **)symaddr); |
467 | else |
552 | else |
468 | *result = *((unative_t *)symaddr); |
553 | *result = *((unative_t *)symaddr); |
469 | } else { /* It's a number - convert it */ |
554 | } else { /* It's a number - convert it */ |
470 | *result = atoi(text); |
555 | *result = atoi(text); |
471 | if (isptr) |
556 | if (isptr) |
472 | *result = *((unative_t *)*result); |
557 | *result = *((unative_t *)*result); |
473 | } |
558 | } |
474 | 559 | ||
475 | return 0; |
560 | return 0; |
476 | } |
561 | } |
477 | 562 | ||
478 | /** Parse command line. |
563 | /** Parse command line. |
479 | * |
564 | * |
480 | * @param cmdline Command line as read from input device. |
565 | * @param cmdline Command line as read from input device. |
481 | * @param len Command line length. |
566 | * @param len Command line length. |
482 | * |
567 | * |
483 | * @return Structure describing the command. |
568 | * @return Structure describing the command. |
484 | */ |
569 | */ |
485 | cmd_info_t *parse_cmdline(char *cmdline, size_t len) |
570 | cmd_info_t *parse_cmdline(char *cmdline, size_t len) |
486 | { |
571 | { |
487 | index_t start = 0, end = 0; |
572 | index_t start = 0, end = 0; |
488 | cmd_info_t *cmd = NULL; |
573 | cmd_info_t *cmd = NULL; |
489 | link_t *cur; |
574 | link_t *cur; |
490 | count_t i; |
575 | count_t i; |
491 | int error = 0; |
576 | int error = 0; |
492 | 577 | ||
493 | if (!parse_argument(cmdline, len, &start, &end)) { |
578 | if (!parse_argument(cmdline, len, &start, &end)) { |
494 | /* Command line did not contain alphanumeric word. */ |
579 | /* Command line did not contain alphanumeric word. */ |
495 | return NULL; |
580 | return NULL; |
496 | } |
581 | } |
497 | 582 | ||
498 | spinlock_lock(&cmd_lock); |
583 | spinlock_lock(&cmd_lock); |
499 | 584 | ||
500 | for (cur = cmd_head.next; cur != &cmd_head; cur = cur->next) { |
585 | for (cur = cmd_head.next; cur != &cmd_head; cur = cur->next) { |
501 | cmd_info_t *hlp; |
586 | cmd_info_t *hlp; |
502 | 587 | ||
503 | hlp = list_get_instance(cur, cmd_info_t, link); |
588 | hlp = list_get_instance(cur, cmd_info_t, link); |
504 | spinlock_lock(&hlp->lock); |
589 | spinlock_lock(&hlp->lock); |
505 | 590 | ||
506 | if (strncmp(hlp->name, &cmdline[start], max(strlen(hlp->name), |
591 | if (strncmp(hlp->name, &cmdline[start], max(strlen(hlp->name), |
507 | end - start + 1)) == 0) { |
592 | end - start + 1)) == 0) { |
508 | cmd = hlp; |
593 | cmd = hlp; |
509 | break; |
594 | break; |
510 | } |
595 | } |
511 | 596 | ||
512 | spinlock_unlock(&hlp->lock); |
597 | spinlock_unlock(&hlp->lock); |
513 | } |
598 | } |
514 | 599 | ||
515 | spinlock_unlock(&cmd_lock); |
600 | spinlock_unlock(&cmd_lock); |
516 | 601 | ||
517 | if (!cmd) { |
602 | if (!cmd) { |
518 | /* Unknown command. */ |
603 | /* Unknown command. */ |
519 | printf("Unknown command.\n"); |
604 | printf("Unknown command.\n"); |
520 | return NULL; |
605 | return NULL; |
521 | } |
606 | } |
522 | 607 | ||
523 | /* cmd == hlp is locked */ |
608 | /* cmd == hlp is locked */ |
524 | 609 | ||
525 | /* |
610 | /* |
526 | * The command line must be further analyzed and |
611 | * The command line must be further analyzed and |
527 | * the parameters therefrom must be matched and |
612 | * the parameters therefrom must be matched and |
528 | * converted to those specified in the cmd info |
613 | * converted to those specified in the cmd info |
529 | * structure. |
614 | * structure. |
530 | */ |
615 | */ |
531 | 616 | ||
532 | for (i = 0; i < cmd->argc; i++) { |
617 | for (i = 0; i < cmd->argc; i++) { |
533 | char *buf; |
618 | char *buf; |
534 | start = end + 1; |
619 | start = end + 1; |
535 | if (!parse_argument(cmdline, len, &start, &end)) { |
620 | if (!parse_argument(cmdline, len, &start, &end)) { |
536 | printf("Too few arguments.\n"); |
621 | printf("Too few arguments.\n"); |
537 | spinlock_unlock(&cmd->lock); |
622 | spinlock_unlock(&cmd->lock); |
538 | return NULL; |
623 | return NULL; |
539 | } |
624 | } |
540 | 625 | ||
541 | error = 0; |
626 | error = 0; |
542 | switch (cmd->argv[i].type) { |
627 | switch (cmd->argv[i].type) { |
543 | case ARG_TYPE_STRING: |
628 | case ARG_TYPE_STRING: |
544 | buf = (char *) cmd->argv[i].buffer; |
629 | buf = (char *) cmd->argv[i].buffer; |
545 | strncpy(buf, (const char *) &cmdline[start], |
630 | strncpy(buf, (const char *) &cmdline[start], |
546 | min((end - start) + 2, cmd->argv[i].len)); |
631 | min((end - start) + 2, cmd->argv[i].len)); |
547 | buf[min((end - start) + 1, cmd->argv[i].len - 1)] = |
632 | buf[min((end - start) + 1, cmd->argv[i].len - 1)] = |
548 | '\0'; |
633 | '\0'; |
549 | break; |
634 | break; |
550 | case ARG_TYPE_INT: |
635 | case ARG_TYPE_INT: |
551 | if (parse_int_arg(cmdline + start, end - start + 1, |
636 | if (parse_int_arg(cmdline + start, end - start + 1, |
552 | &cmd->argv[i].intval)) |
637 | &cmd->argv[i].intval)) |
553 | error = 1; |
638 | error = 1; |
554 | break; |
639 | break; |
555 | case ARG_TYPE_VAR: |
640 | case ARG_TYPE_VAR: |
556 | if (start != end && cmdline[start] == '"' && |
641 | if (start != end && cmdline[start] == '"' && |
557 | cmdline[end] == '"') { |
642 | cmdline[end] == '"') { |
558 | buf = (char *) cmd->argv[i].buffer; |
643 | buf = (char *) cmd->argv[i].buffer; |
559 | strncpy(buf, (const char *) &cmdline[start + 1], |
644 | strncpy(buf, (const char *) &cmdline[start + 1], |
560 | min((end-start), cmd->argv[i].len)); |
645 | min((end-start), cmd->argv[i].len)); |
561 | buf[min((end - start), cmd->argv[i].len - 1)] = |
646 | buf[min((end - start), cmd->argv[i].len - 1)] = |
562 | '\0'; |
647 | '\0'; |
563 | cmd->argv[i].intval = (unative_t) buf; |
648 | cmd->argv[i].intval = (unative_t) buf; |
564 | cmd->argv[i].vartype = ARG_TYPE_STRING; |
649 | cmd->argv[i].vartype = ARG_TYPE_STRING; |
565 | } else if (!parse_int_arg(cmdline + start, |
650 | } else if (!parse_int_arg(cmdline + start, |
566 | end - start + 1, &cmd->argv[i].intval)) { |
651 | end - start + 1, &cmd->argv[i].intval)) { |
567 | cmd->argv[i].vartype = ARG_TYPE_INT; |
652 | cmd->argv[i].vartype = ARG_TYPE_INT; |
568 | } else { |
653 | } else { |
569 | printf("Unrecognized variable argument.\n"); |
654 | printf("Unrecognized variable argument.\n"); |
570 | error = 1; |
655 | error = 1; |
571 | } |
656 | } |
572 | break; |
657 | break; |
573 | case ARG_TYPE_INVALID: |
658 | case ARG_TYPE_INVALID: |
574 | default: |
659 | default: |
575 | printf("invalid argument type\n"); |
660 | printf("invalid argument type\n"); |
576 | error = 1; |
661 | error = 1; |
577 | break; |
662 | break; |
578 | } |
663 | } |
579 | } |
664 | } |
580 | 665 | ||
581 | if (error) { |
666 | if (error) { |
582 | spinlock_unlock(&cmd->lock); |
667 | spinlock_unlock(&cmd->lock); |
583 | return NULL; |
668 | return NULL; |
584 | } |
669 | } |
585 | 670 | ||
586 | start = end + 1; |
671 | start = end + 1; |
587 | if (parse_argument(cmdline, len, &start, &end)) { |
672 | if (parse_argument(cmdline, len, &start, &end)) { |
588 | printf("Too many arguments.\n"); |
673 | printf("Too many arguments.\n"); |
589 | spinlock_unlock(&cmd->lock); |
674 | spinlock_unlock(&cmd->lock); |
590 | return NULL; |
675 | return NULL; |
591 | } |
676 | } |
592 | 677 | ||
593 | spinlock_unlock(&cmd->lock); |
678 | spinlock_unlock(&cmd->lock); |
594 | return cmd; |
679 | return cmd; |
595 | } |
680 | } |
596 | 681 | ||
597 | /** Parse argument. |
682 | /** Parse argument. |
598 | * |
683 | * |
599 | * Find start and end positions of command line argument. |
684 | * Find start and end positions of command line argument. |
600 | * |
685 | * |
601 | * @param cmdline Command line as read from the input device. |
686 | * @param cmdline Command line as read from the input device. |
602 | * @param len Number of characters in cmdline. |
687 | * @param len Number of characters in cmdline. |
603 | * @param start On entry, 'start' contains pointer to the index |
688 | * @param start On entry, 'start' contains pointer to the index |
604 | * of first unprocessed character of cmdline. |
689 | * of first unprocessed character of cmdline. |
605 | * On successful exit, it marks beginning of the next argument. |
690 | * On successful exit, it marks beginning of the next argument. |
606 | * @param end Undefined on entry. On exit, 'end' points to the last character |
691 | * @param end Undefined on entry. On exit, 'end' points to the last character |
607 | * of the next argument. |
692 | * of the next argument. |
608 | * |
693 | * |
609 | * @return false on failure, true on success. |
694 | * @return false on failure, true on success. |
610 | */ |
695 | */ |
611 | bool parse_argument(char *cmdline, size_t len, index_t *start, index_t *end) |
696 | bool parse_argument(char *cmdline, size_t len, index_t *start, index_t *end) |
612 | { |
697 | { |
613 | index_t i; |
698 | index_t i; |
614 | bool found_start = false; |
699 | bool found_start = false; |
615 | 700 | ||
616 | ASSERT(start != NULL); |
701 | ASSERT(start != NULL); |
617 | ASSERT(end != NULL); |
702 | ASSERT(end != NULL); |
618 | 703 | ||
619 | for (i = *start; i < len; i++) { |
704 | for (i = *start; i < len; i++) { |
620 | if (!found_start) { |
705 | if (!found_start) { |
621 | if (isspace(cmdline[i])) |
706 | if (isspace(cmdline[i])) |
622 | (*start)++; |
707 | (*start)++; |
623 | else |
708 | else |
624 | found_start = true; |
709 | found_start = true; |
625 | } else { |
710 | } else { |
626 | if (isspace(cmdline[i])) |
711 | if (isspace(cmdline[i])) |
627 | break; |
712 | break; |
628 | } |
713 | } |
629 | } |
714 | } |
630 | *end = i - 1; |
715 | *end = i - 1; |
631 | 716 | ||
632 | return found_start; |
717 | return found_start; |
633 | } |
718 | } |
634 | 719 | ||
635 | /** @} |
720 | /** @} |
636 | */ |
721 | */ |
637 | 722 |