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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 | #include <console/kconsole.h> |
29 | #include <console/kconsole.h> |
30 | #include <console/console.h> |
30 | #include <console/console.h> |
31 | #include <console/chardev.h> |
31 | #include <console/chardev.h> |
32 | #include <print.h> |
32 | #include <print.h> |
33 | #include <panic.h> |
33 | #include <panic.h> |
34 | #include <typedefs.h> |
34 | #include <typedefs.h> |
35 | #include <arch/types.h> |
35 | #include <arch/types.h> |
36 | #include <list.h> |
36 | #include <list.h> |
37 | #include <arch.h> |
37 | #include <arch.h> |
38 | #include <func.h> |
38 | #include <func.h> |
39 | #include <macros.h> |
39 | #include <macros.h> |
40 | #include <debug.h> |
40 | #include <debug.h> |
41 | #include <symtab.h> |
41 | #include <symtab.h> |
42 | 42 | ||
43 | #define MAX_CMDLINE 256 |
43 | #define MAX_CMDLINE 256 |
44 | 44 | ||
45 | /** Simple kernel console. |
45 | /** Simple kernel console. |
46 | * |
46 | * |
47 | * The console is realized by kernel thread kconsole. |
47 | * The console is realized by kernel thread kconsole. |
48 | * It doesn't understand any useful command on its own, |
48 | * It doesn't understand any useful command on its own, |
49 | * but makes it possible for other kernel subsystems to |
49 | * but makes it possible for other kernel subsystems to |
50 | * register their own commands. |
50 | * register their own commands. |
51 | */ |
51 | */ |
52 | 52 | ||
53 | /** Locking. |
53 | /** Locking. |
54 | * |
54 | * |
55 | * There is a list of cmd_info_t structures. This list |
55 | * There is a list of cmd_info_t structures. This list |
56 | * is protected by cmd_lock spinlock. Note that specially |
56 | * is protected by cmd_lock spinlock. Note that specially |
57 | * the link elements of cmd_info_t are protected by |
57 | * the link elements of cmd_info_t are protected by |
58 | * this lock. |
58 | * this lock. |
59 | * |
59 | * |
60 | * Each cmd_info_t also has its own lock, which protects |
60 | * Each cmd_info_t also has its own lock, which protects |
61 | * all elements thereof except the link element. |
61 | * all elements thereof except the link element. |
62 | * |
62 | * |
63 | * cmd_lock must be acquired before any cmd_info lock. |
63 | * cmd_lock must be acquired before any cmd_info lock. |
64 | * When locking two cmd info structures, structure with |
64 | * When locking two cmd info structures, structure with |
65 | * lower address must be locked first. |
65 | * lower address must be locked first. |
66 | */ |
66 | */ |
67 | 67 | ||
68 | spinlock_t cmd_lock; /**< Lock protecting command list. */ |
68 | spinlock_t cmd_lock; /**< Lock protecting command list. */ |
69 | link_t cmd_head; /**< Command list. */ |
69 | link_t cmd_head; /**< Command list. */ |
70 | 70 | ||
71 | static cmd_info_t *parse_cmdline(char *cmdline, size_t len); |
71 | static cmd_info_t *parse_cmdline(char *cmdline, size_t len); |
72 | static bool parse_argument(char *cmdline, size_t len, index_t *start, index_t *end); |
72 | static bool parse_argument(char *cmdline, size_t len, index_t *start, index_t *end); |
73 | 73 | ||
74 | /** Data and methods for 'help' command. */ |
74 | /** Data and methods for 'help' command. */ |
75 | static int cmd_help(cmd_arg_t *argv); |
75 | static int cmd_help(cmd_arg_t *argv); |
76 | static cmd_info_t help_info = { |
76 | static cmd_info_t help_info = { |
77 | .name = "help", |
77 | .name = "help", |
78 | .description = "List of supported commands.", |
78 | .description = "List of supported commands.", |
79 | .func = cmd_help, |
79 | .func = cmd_help, |
80 | .argc = 0 |
80 | .argc = 0 |
81 | }; |
81 | }; |
82 | 82 | ||
83 | /** Data and methods for 'description' command. */ |
83 | /** Data and methods for 'description' command. */ |
84 | static int cmd_desc(cmd_arg_t *argv); |
84 | static int cmd_desc(cmd_arg_t *argv); |
85 | static void desc_help(void); |
85 | static void desc_help(void); |
86 | static char desc_buf[MAX_CMDLINE+1]; |
86 | static char desc_buf[MAX_CMDLINE+1]; |
87 | static cmd_arg_t desc_argv = { |
87 | static cmd_arg_t desc_argv = { |
88 | .type = ARG_TYPE_STRING, |
88 | .type = ARG_TYPE_STRING, |
89 | .buffer = desc_buf, |
89 | .buffer = desc_buf, |
90 | .len = sizeof(desc_buf) |
90 | .len = sizeof(desc_buf) |
91 | }; |
91 | }; |
92 | static cmd_info_t desc_info = { |
92 | static cmd_info_t desc_info = { |
93 | .name = "describe", |
93 | .name = "describe", |
94 | .description = "Describe specified command.", |
94 | .description = "Describe specified command.", |
95 | .help = desc_help, |
95 | .help = desc_help, |
96 | .func = cmd_desc, |
96 | .func = cmd_desc, |
97 | .argc = 1, |
97 | .argc = 1, |
98 | .argv = &desc_argv |
98 | .argv = &desc_argv |
99 | }; |
99 | }; |
100 | 100 | ||
101 | /** Data and methods for 'symaddr' command. */ |
101 | /** Data and methods for 'symaddr' command. */ |
102 | static int cmd_symaddr(cmd_arg_t *argv); |
102 | static int cmd_symaddr(cmd_arg_t *argv); |
103 | static char symaddr_buf[MAX_CMDLINE+1]; |
103 | static char symaddr_buf[MAX_CMDLINE+1]; |
104 | static cmd_arg_t symaddr_argv = { |
104 | static cmd_arg_t symaddr_argv = { |
105 | .type = ARG_TYPE_STRING, |
105 | .type = ARG_TYPE_STRING, |
106 | .buffer = symaddr_buf, |
106 | .buffer = symaddr_buf, |
107 | .len = sizeof(symaddr_buf) |
107 | .len = sizeof(symaddr_buf) |
108 | }; |
108 | }; |
109 | static cmd_info_t symaddr_info = { |
109 | static cmd_info_t symaddr_info = { |
110 | .name = "symaddr", |
110 | .name = "symaddr", |
111 | .description = "Return symbol address.", |
111 | .description = "Return symbol address.", |
112 | .func = cmd_symaddr, |
112 | .func = cmd_symaddr, |
113 | .argc = 1, |
113 | .argc = 1, |
114 | .argv = &symaddr_argv |
114 | .argv = &symaddr_argv |
115 | }; |
115 | }; |
116 | 116 | ||
117 | /** Call0 - call function with no parameters */ |
117 | /** Call0 - call function with no parameters */ |
118 | static char call0_buf[MAX_CMDLINE+1]; |
118 | static char call0_buf[MAX_CMDLINE+1]; |
119 | static char carg1_buf[MAX_CMDLINE+1]; |
119 | static char carg1_buf[MAX_CMDLINE+1]; |
120 | static char carg2_buf[MAX_CMDLINE+1]; |
120 | static char carg2_buf[MAX_CMDLINE+1]; |
- | 121 | static char carg3_buf[MAX_CMDLINE+1]; |
|
121 | 122 | ||
122 | static int cmd_call0(cmd_arg_t *argv); |
123 | static int cmd_call0(cmd_arg_t *argv); |
123 | static cmd_arg_t call0_argv = { |
124 | static cmd_arg_t call0_argv = { |
124 | .type = ARG_TYPE_STRING, |
125 | .type = ARG_TYPE_STRING, |
125 | .buffer = call0_buf, |
126 | .buffer = call0_buf, |
126 | .len = sizeof(call0_buf) |
127 | .len = sizeof(call0_buf) |
127 | }; |
128 | }; |
128 | static cmd_info_t call0_info = { |
129 | static cmd_info_t call0_info = { |
129 | .name = "call0", |
130 | .name = "call0", |
130 | .description = "call0 <function> -> call function().", |
131 | .description = "call0 <function> -> call function().", |
131 | .func = cmd_call0, |
132 | .func = cmd_call0, |
132 | .argc = 1, |
133 | .argc = 1, |
133 | .argv = &call0_argv |
134 | .argv = &call0_argv |
134 | }; |
135 | }; |
135 | 136 | ||
136 | static int cmd_call1(cmd_arg_t *argv); |
137 | static int cmd_call1(cmd_arg_t *argv); |
137 | static cmd_arg_t call1_argv[] = { |
138 | static cmd_arg_t call1_argv[] = { |
138 | { |
139 | { |
139 | .type = ARG_TYPE_STRING, |
140 | .type = ARG_TYPE_STRING, |
140 | .buffer = call0_buf, |
141 | .buffer = call0_buf, |
141 | .len = sizeof(call0_buf) |
142 | .len = sizeof(call0_buf) |
142 | }, |
143 | }, |
143 | { |
144 | { |
144 | .type = ARG_TYPE_VAR, |
145 | .type = ARG_TYPE_VAR, |
145 | .buffer = carg1_buf, |
146 | .buffer = carg1_buf, |
146 | .len = sizeof(carg1_buf) |
147 | .len = sizeof(carg1_buf) |
147 | } |
148 | } |
148 | }; |
149 | }; |
149 | static cmd_info_t call1_info = { |
150 | static cmd_info_t call1_info = { |
150 | .name = "call1", |
151 | .name = "call1", |
151 | .description = "call1 <function> <arg1> -> call function(arg1).", |
152 | .description = "call1 <function> <arg1> -> call function(arg1).", |
152 | .func = cmd_call1, |
153 | .func = cmd_call1, |
153 | .argc = 2, |
154 | .argc = 2, |
154 | .argv = call1_argv |
155 | .argv = call1_argv |
155 | }; |
156 | }; |
156 | 157 | ||
157 | static int cmd_call2(cmd_arg_t *argv); |
158 | static int cmd_call2(cmd_arg_t *argv); |
158 | static cmd_arg_t call2_argv[] = { |
159 | static cmd_arg_t call2_argv[] = { |
159 | { |
160 | { |
160 | .type = ARG_TYPE_STRING, |
161 | .type = ARG_TYPE_STRING, |
161 | .buffer = call0_buf, |
162 | .buffer = call0_buf, |
162 | .len = sizeof(call0_buf) |
163 | .len = sizeof(call0_buf) |
163 | }, |
164 | }, |
164 | { |
165 | { |
165 | .type = ARG_TYPE_VAR, |
166 | .type = ARG_TYPE_VAR, |
166 | .buffer = carg1_buf, |
167 | .buffer = carg1_buf, |
167 | .len = sizeof(carg1_buf) |
168 | .len = sizeof(carg1_buf) |
168 | }, |
169 | }, |
169 | { |
170 | { |
170 | .type = ARG_TYPE_VAR, |
171 | .type = ARG_TYPE_VAR, |
171 | .buffer = carg2_buf, |
172 | .buffer = carg2_buf, |
172 | .len = sizeof(carg2_buf) |
173 | .len = sizeof(carg2_buf) |
173 | } |
174 | } |
174 | }; |
175 | }; |
175 | static cmd_info_t call2_info = { |
176 | static cmd_info_t call2_info = { |
176 | .name = "call2", |
177 | .name = "call2", |
177 | .description = "call2 <function> <arg1> <arg2> -> call function(arg1,arg2).", |
178 | .description = "call2 <function> <arg1> <arg2> -> call function(arg1,arg2).", |
178 | .func = cmd_call2, |
179 | .func = cmd_call2, |
179 | .argc = 3, |
180 | .argc = 3, |
180 | .argv = call2_argv |
181 | .argv = call2_argv |
181 | }; |
182 | }; |
182 | 183 | ||
- | 184 | static int cmd_call3(cmd_arg_t *argv); |
|
- | 185 | static cmd_arg_t call3_argv[] = { |
|
- | 186 | { |
|
- | 187 | .type = ARG_TYPE_STRING, |
|
- | 188 | .buffer = call0_buf, |
|
- | 189 | .len = sizeof(call0_buf) |
|
- | 190 | }, |
|
- | 191 | { |
|
- | 192 | .type = ARG_TYPE_VAR, |
|
- | 193 | .buffer = carg1_buf, |
|
- | 194 | .len = sizeof(carg1_buf) |
|
- | 195 | }, |
|
- | 196 | { |
|
- | 197 | .type = ARG_TYPE_VAR, |
|
- | 198 | .buffer = carg2_buf, |
|
- | 199 | .len = sizeof(carg2_buf) |
|
- | 200 | }, |
|
- | 201 | { |
|
- | 202 | .type = ARG_TYPE_VAR, |
|
- | 203 | .buffer = carg3_buf, |
|
- | 204 | .len = sizeof(carg3_buf) |
|
- | 205 | } |
|
- | 206 | ||
- | 207 | }; |
|
- | 208 | static cmd_info_t call3_info = { |
|
- | 209 | .name = "call3", |
|
- | 210 | .description = "call3 <function> <arg1> <arg2> <arg3> -> call function(arg1,arg2,arg3).", |
|
- | 211 | .func = cmd_call3, |
|
- | 212 | .argc = 4, |
|
- | 213 | .argv = call3_argv |
|
- | 214 | }; |
|
183 | 215 | ||
184 | /** Data and methods for 'halt' command. */ |
216 | /** Data and methods for 'halt' command. */ |
185 | static int cmd_halt(cmd_arg_t *argv); |
217 | static int cmd_halt(cmd_arg_t *argv); |
186 | static cmd_info_t halt_info = { |
218 | static cmd_info_t halt_info = { |
187 | .name = "halt", |
219 | .name = "halt", |
188 | .description = "Halt the kernel.", |
220 | .description = "Halt the kernel.", |
189 | .func = cmd_halt, |
221 | .func = cmd_halt, |
190 | .argc = 0 |
222 | .argc = 0 |
191 | }; |
223 | }; |
192 | 224 | ||
193 | /** Initialize kconsole data structures. */ |
225 | /** Initialize kconsole data structures. */ |
194 | void kconsole_init(void) |
226 | void kconsole_init(void) |
195 | { |
227 | { |
196 | spinlock_initialize(&cmd_lock, "kconsole_cmd"); |
228 | spinlock_initialize(&cmd_lock, "kconsole_cmd"); |
197 | list_initialize(&cmd_head); |
229 | list_initialize(&cmd_head); |
198 | 230 | ||
199 | spinlock_initialize(&help_info.lock, "kconsole_help"); |
231 | spinlock_initialize(&help_info.lock, "kconsole_help"); |
200 | link_initialize(&help_info.link); |
232 | link_initialize(&help_info.link); |
201 | if (!cmd_register(&help_info)) |
233 | if (!cmd_register(&help_info)) |
202 | panic("could not register command %s\n", help_info.name); |
234 | panic("could not register command %s\n", help_info.name); |
203 | 235 | ||
204 | 236 | ||
205 | spinlock_initialize(&desc_info.lock, "kconsole_desc"); |
237 | spinlock_initialize(&desc_info.lock, "kconsole_desc"); |
206 | link_initialize(&desc_info.link); |
238 | link_initialize(&desc_info.link); |
207 | if (!cmd_register(&desc_info)) |
239 | if (!cmd_register(&desc_info)) |
208 | panic("could not register command %s\n", desc_info.name); |
240 | panic("could not register command %s\n", desc_info.name); |
209 | 241 | ||
210 | spinlock_initialize(&symaddr_info.lock, "kconsole_symaddr"); |
242 | spinlock_initialize(&symaddr_info.lock, "kconsole_symaddr"); |
211 | link_initialize(&symaddr_info.link); |
243 | link_initialize(&symaddr_info.link); |
212 | if (!cmd_register(&symaddr_info)) |
244 | if (!cmd_register(&symaddr_info)) |
213 | panic("could not register command %s\n", symaddr_info.name); |
245 | panic("could not register command %s\n", symaddr_info.name); |
214 | 246 | ||
215 | spinlock_initialize(&call0_info.lock, "kconsole_call0"); |
247 | spinlock_initialize(&call0_info.lock, "kconsole_call0"); |
216 | link_initialize(&call0_info.link); |
248 | link_initialize(&call0_info.link); |
217 | if (!cmd_register(&call0_info)) |
249 | if (!cmd_register(&call0_info)) |
218 | panic("could not register command %s\n", call0_info.name); |
250 | panic("could not register command %s\n", call0_info.name); |
219 | 251 | ||
220 | spinlock_initialize(&call1_info.lock, "kconsole_call1"); |
252 | spinlock_initialize(&call1_info.lock, "kconsole_call1"); |
221 | link_initialize(&call1_info.link); |
253 | link_initialize(&call1_info.link); |
222 | if (!cmd_register(&call1_info)) |
254 | if (!cmd_register(&call1_info)) |
223 | panic("could not register command %s\n", call1_info.name); |
255 | panic("could not register command %s\n", call1_info.name); |
224 | 256 | ||
225 | 257 | ||
226 | spinlock_initialize(&call2_info.lock, "kconsole_call2"); |
258 | spinlock_initialize(&call2_info.lock, "kconsole_call2"); |
227 | link_initialize(&call2_info.link); |
259 | link_initialize(&call2_info.link); |
228 | if (!cmd_register(&call2_info)) |
260 | if (!cmd_register(&call2_info)) |
229 | panic("could not register command %s\n", call2_info.name); |
261 | panic("could not register command %s\n", call2_info.name); |
- | 262 | ||
- | 263 | spinlock_initialize(&call3_info.lock, "kconsole_call3"); |
|
- | 264 | link_initialize(&call3_info.link); |
|
- | 265 | if (!cmd_register(&call3_info)) |
|
- | 266 | panic("could not register command %s\n", call3_info.name); |
|
230 | 267 | ||
231 | spinlock_initialize(&halt_info.lock, "kconsole_halt"); |
268 | spinlock_initialize(&halt_info.lock, "kconsole_halt"); |
232 | link_initialize(&halt_info.link); |
269 | link_initialize(&halt_info.link); |
233 | if (!cmd_register(&halt_info)) |
270 | if (!cmd_register(&halt_info)) |
234 | panic("could not register command %s\n", halt_info.name); |
271 | panic("could not register command %s\n", halt_info.name); |
235 | } |
272 | } |
236 | 273 | ||
237 | 274 | ||
238 | /** Register kconsole command. |
275 | /** Register kconsole command. |
239 | * |
276 | * |
240 | * @param cmd Structure describing the command. |
277 | * @param cmd Structure describing the command. |
241 | * |
278 | * |
242 | * @return 0 on failure, 1 on success. |
279 | * @return 0 on failure, 1 on success. |
243 | */ |
280 | */ |
244 | int cmd_register(cmd_info_t *cmd) |
281 | int cmd_register(cmd_info_t *cmd) |
245 | { |
282 | { |
246 | ipl_t ipl; |
283 | ipl_t ipl; |
247 | link_t *cur; |
284 | link_t *cur; |
248 | 285 | ||
249 | spinlock_lock(&cmd_lock); |
286 | spinlock_lock(&cmd_lock); |
250 | 287 | ||
251 | /* |
288 | /* |
252 | * Make sure the command is not already listed. |
289 | * Make sure the command is not already listed. |
253 | */ |
290 | */ |
254 | for (cur = cmd_head.next; cur != &cmd_head; cur = cur->next) { |
291 | for (cur = cmd_head.next; cur != &cmd_head; cur = cur->next) { |
255 | cmd_info_t *hlp; |
292 | cmd_info_t *hlp; |
256 | 293 | ||
257 | hlp = list_get_instance(cur, cmd_info_t, link); |
294 | hlp = list_get_instance(cur, cmd_info_t, link); |
258 | 295 | ||
259 | if (hlp == cmd) { |
296 | if (hlp == cmd) { |
260 | /* The command is already there. */ |
297 | /* The command is already there. */ |
261 | spinlock_unlock(&cmd_lock); |
298 | spinlock_unlock(&cmd_lock); |
262 | return 0; |
299 | return 0; |
263 | } |
300 | } |
264 | 301 | ||
265 | /* Avoid deadlock. */ |
302 | /* Avoid deadlock. */ |
266 | if (hlp < cmd) { |
303 | if (hlp < cmd) { |
267 | spinlock_lock(&hlp->lock); |
304 | spinlock_lock(&hlp->lock); |
268 | spinlock_lock(&cmd->lock); |
305 | spinlock_lock(&cmd->lock); |
269 | } else { |
306 | } else { |
270 | spinlock_lock(&cmd->lock); |
307 | spinlock_lock(&cmd->lock); |
271 | spinlock_lock(&hlp->lock); |
308 | spinlock_lock(&hlp->lock); |
272 | } |
309 | } |
273 | 310 | ||
274 | if ((strncmp(hlp->name, cmd->name, strlen(cmd->name)) == 0)) { |
311 | if ((strncmp(hlp->name, cmd->name, strlen(cmd->name)) == 0)) { |
275 | /* The command is already there. */ |
312 | /* The command is already there. */ |
276 | spinlock_unlock(&hlp->lock); |
313 | spinlock_unlock(&hlp->lock); |
277 | spinlock_unlock(&cmd->lock); |
314 | spinlock_unlock(&cmd->lock); |
278 | spinlock_unlock(&cmd_lock); |
315 | spinlock_unlock(&cmd_lock); |
279 | return 0; |
316 | return 0; |
280 | } |
317 | } |
281 | 318 | ||
282 | spinlock_unlock(&hlp->lock); |
319 | spinlock_unlock(&hlp->lock); |
283 | spinlock_unlock(&cmd->lock); |
320 | spinlock_unlock(&cmd->lock); |
284 | } |
321 | } |
285 | 322 | ||
286 | /* |
323 | /* |
287 | * Now the command can be added. |
324 | * Now the command can be added. |
288 | */ |
325 | */ |
289 | list_append(&cmd->link, &cmd_head); |
326 | list_append(&cmd->link, &cmd_head); |
290 | 327 | ||
291 | spinlock_unlock(&cmd_lock); |
328 | spinlock_unlock(&cmd_lock); |
292 | return 1; |
329 | return 1; |
293 | } |
330 | } |
294 | 331 | ||
295 | /** Kernel console managing thread. |
332 | /** Kernel console managing thread. |
296 | * |
333 | * |
297 | * @param arg Not used. |
334 | * @param arg Not used. |
298 | */ |
335 | */ |
299 | void kconsole(void *arg) |
336 | void kconsole(void *arg) |
300 | { |
337 | { |
301 | char cmdline[MAX_CMDLINE+1]; |
338 | char cmdline[MAX_CMDLINE+1]; |
302 | cmd_info_t *cmd_info; |
339 | cmd_info_t *cmd_info; |
303 | count_t len; |
340 | count_t len; |
304 | 341 | ||
305 | if (!stdin) { |
342 | if (!stdin) { |
306 | printf("%s: no stdin\n", __FUNCTION__); |
343 | printf("%s: no stdin\n", __FUNCTION__); |
307 | return; |
344 | return; |
308 | } |
345 | } |
309 | 346 | ||
310 | while (true) { |
347 | while (true) { |
311 | printf("%s> ", __FUNCTION__); |
348 | printf("%s> ", __FUNCTION__); |
312 | if (!(len = gets(stdin, cmdline, sizeof(cmdline)))) |
349 | if (!(len = gets(stdin, cmdline, sizeof(cmdline)))) |
313 | continue; |
350 | continue; |
314 | cmdline[len] = '\0'; |
351 | cmdline[len] = '\0'; |
315 | cmd_info = parse_cmdline(cmdline, len); |
352 | cmd_info = parse_cmdline(cmdline, len); |
316 | if (!cmd_info) |
353 | if (!cmd_info) |
317 | continue; |
354 | continue; |
318 | (void) cmd_info->func(cmd_info->argv); |
355 | (void) cmd_info->func(cmd_info->argv); |
319 | } |
356 | } |
320 | } |
357 | } |
321 | 358 | ||
322 | static int parse_int_arg(char *text, size_t len, __native *result) |
359 | static int parse_int_arg(char *text, size_t len, __native *result) |
323 | { |
360 | { |
324 | char symname[MAX_SYMBOL_NAME]; |
361 | char symname[MAX_SYMBOL_NAME]; |
325 | __address symaddr; |
362 | __address symaddr; |
326 | bool isaddr = false; |
363 | bool isaddr = false; |
327 | bool isptr = false; |
364 | bool isptr = false; |
328 | 365 | ||
329 | /* If we get a name, try to find it in symbol table */ |
366 | /* If we get a name, try to find it in symbol table */ |
330 | if (text[0] < '0' | text[0] > '9') { |
367 | if (text[0] < '0' | text[0] > '9') { |
331 | if (text[0] == '&') { |
368 | if (text[0] == '&') { |
332 | isaddr = true; |
369 | isaddr = true; |
333 | text++;len--; |
370 | text++;len--; |
334 | } else if (text[0] == '*') { |
371 | } else if (text[0] == '*') { |
335 | isptr = true; |
372 | isptr = true; |
336 | text++;len--; |
373 | text++;len--; |
337 | } |
374 | } |
338 | strncpy(symname, text, min(len+1, MAX_SYMBOL_NAME)); |
375 | strncpy(symname, text, min(len+1, MAX_SYMBOL_NAME)); |
339 | symaddr = get_symbol_addr(symname); |
376 | symaddr = get_symbol_addr(symname); |
340 | if (!symaddr) { |
377 | if (!symaddr) { |
341 | printf("Symbol %s not found.\n",symname); |
378 | printf("Symbol %s not found.\n",symname); |
342 | return -1; |
379 | return -1; |
343 | } |
380 | } |
344 | if (symaddr == (__address) -1) { |
381 | if (symaddr == (__address) -1) { |
345 | printf("Duplicate symbol %s.\n",symname); |
382 | printf("Duplicate symbol %s.\n",symname); |
346 | symtab_print_search(symname); |
383 | symtab_print_search(symname); |
347 | return -1; |
384 | return -1; |
348 | } |
385 | } |
349 | if (isaddr) |
386 | if (isaddr) |
350 | *result = (__native)symaddr; |
387 | *result = (__native)symaddr; |
351 | else if (isptr) |
388 | else if (isptr) |
352 | *result = **((__native **)symaddr); |
389 | *result = **((__native **)symaddr); |
353 | else |
390 | else |
354 | *result = *((__native *)symaddr); |
391 | *result = *((__native *)symaddr); |
355 | } else /* It's a number - convert it */ |
392 | } else /* It's a number - convert it */ |
356 | *result = atoi(text); |
393 | *result = atoi(text); |
357 | return 0; |
394 | return 0; |
358 | } |
395 | } |
359 | 396 | ||
360 | /** Parse command line. |
397 | /** Parse command line. |
361 | * |
398 | * |
362 | * @param cmdline Command line as read from input device. |
399 | * @param cmdline Command line as read from input device. |
363 | * @param len Command line length. |
400 | * @param len Command line length. |
364 | * |
401 | * |
365 | * @return Structure describing the command. |
402 | * @return Structure describing the command. |
366 | */ |
403 | */ |
367 | cmd_info_t *parse_cmdline(char *cmdline, size_t len) |
404 | cmd_info_t *parse_cmdline(char *cmdline, size_t len) |
368 | { |
405 | { |
369 | index_t start = 0, end = 0; |
406 | index_t start = 0, end = 0; |
370 | cmd_info_t *cmd = NULL; |
407 | cmd_info_t *cmd = NULL; |
371 | link_t *cur; |
408 | link_t *cur; |
372 | ipl_t ipl; |
409 | ipl_t ipl; |
373 | int i; |
410 | int i; |
374 | 411 | ||
375 | if (!parse_argument(cmdline, len, &start, &end)) { |
412 | if (!parse_argument(cmdline, len, &start, &end)) { |
376 | /* Command line did not contain alphanumeric word. */ |
413 | /* Command line did not contain alphanumeric word. */ |
377 | return NULL; |
414 | return NULL; |
378 | } |
415 | } |
379 | 416 | ||
380 | spinlock_lock(&cmd_lock); |
417 | spinlock_lock(&cmd_lock); |
381 | 418 | ||
382 | for (cur = cmd_head.next; cur != &cmd_head; cur = cur->next) { |
419 | for (cur = cmd_head.next; cur != &cmd_head; cur = cur->next) { |
383 | cmd_info_t *hlp; |
420 | cmd_info_t *hlp; |
384 | 421 | ||
385 | hlp = list_get_instance(cur, cmd_info_t, link); |
422 | hlp = list_get_instance(cur, cmd_info_t, link); |
386 | spinlock_lock(&hlp->lock); |
423 | spinlock_lock(&hlp->lock); |
387 | 424 | ||
388 | if (strncmp(hlp->name, &cmdline[start], (end - start) + 1) == 0) { |
425 | if (strncmp(hlp->name, &cmdline[start], (end - start) + 1) == 0) { |
389 | cmd = hlp; |
426 | cmd = hlp; |
390 | break; |
427 | break; |
391 | } |
428 | } |
392 | 429 | ||
393 | spinlock_unlock(&hlp->lock); |
430 | spinlock_unlock(&hlp->lock); |
394 | } |
431 | } |
395 | 432 | ||
396 | spinlock_unlock(&cmd_lock); |
433 | spinlock_unlock(&cmd_lock); |
397 | 434 | ||
398 | if (!cmd) { |
435 | if (!cmd) { |
399 | /* Unknown command. */ |
436 | /* Unknown command. */ |
400 | printf("Unknown command.\n"); |
437 | printf("Unknown command.\n"); |
401 | return NULL; |
438 | return NULL; |
402 | } |
439 | } |
403 | 440 | ||
404 | /* cmd == hlp is locked */ |
441 | /* cmd == hlp is locked */ |
405 | 442 | ||
406 | /* |
443 | /* |
407 | * The command line must be further analyzed and |
444 | * The command line must be further analyzed and |
408 | * the parameters therefrom must be matched and |
445 | * the parameters therefrom must be matched and |
409 | * converted to those specified in the cmd info |
446 | * converted to those specified in the cmd info |
410 | * structure. |
447 | * structure. |
411 | */ |
448 | */ |
412 | 449 | ||
413 | for (i = 0; i < cmd->argc; i++) { |
450 | for (i = 0; i < cmd->argc; i++) { |
414 | char *buf; |
451 | char *buf; |
415 | start = end + 1; |
452 | start = end + 1; |
416 | if (!parse_argument(cmdline, len, &start, &end)) { |
453 | if (!parse_argument(cmdline, len, &start, &end)) { |
417 | printf("Too few arguments.\n"); |
454 | printf("Too few arguments.\n"); |
418 | spinlock_unlock(&cmd->lock); |
455 | spinlock_unlock(&cmd->lock); |
419 | return NULL; |
456 | return NULL; |
420 | } |
457 | } |
421 | 458 | ||
422 | switch (cmd->argv[i].type) { |
459 | switch (cmd->argv[i].type) { |
423 | case ARG_TYPE_STRING: |
460 | case ARG_TYPE_STRING: |
424 | buf = cmd->argv[i].buffer; |
461 | buf = cmd->argv[i].buffer; |
425 | strncpy(buf, (const char *) &cmdline[start], min((end - start) + 2, cmd->argv[i].len)); |
462 | strncpy(buf, (const char *) &cmdline[start], min((end - start) + 2, cmd->argv[i].len)); |
426 | buf[min((end - start) + 1, cmd->argv[i].len - 1)] = '\0'; |
463 | buf[min((end - start) + 1, cmd->argv[i].len - 1)] = '\0'; |
427 | break; |
464 | break; |
428 | case ARG_TYPE_INT: |
465 | case ARG_TYPE_INT: |
429 | if (parse_int_arg(cmdline+start, end-start+1, |
466 | if (parse_int_arg(cmdline+start, end-start+1, |
430 | &cmd->argv[i].intval)) |
467 | &cmd->argv[i].intval)) |
431 | return NULL; |
468 | return NULL; |
432 | break; |
469 | break; |
433 | case ARG_TYPE_VAR: |
470 | case ARG_TYPE_VAR: |
434 | if (start != end && cmdline[start] == '"' && cmdline[end] == '"') { |
471 | if (start != end && cmdline[start] == '"' && cmdline[end] == '"') { |
435 | buf = cmd->argv[i].buffer; |
472 | buf = cmd->argv[i].buffer; |
436 | strncpy(buf, (const char *) &cmdline[start+1], |
473 | strncpy(buf, (const char *) &cmdline[start+1], |
437 | min((end-start), cmd->argv[i].len)); |
474 | min((end-start), cmd->argv[i].len)); |
438 | buf[min((end - start), cmd->argv[i].len - 1)] = '\0'; |
475 | buf[min((end - start), cmd->argv[i].len - 1)] = '\0'; |
439 | cmd->argv[i].intval = (__native) buf; |
476 | cmd->argv[i].intval = (__native) buf; |
440 | cmd->argv[i].vartype = ARG_TYPE_STRING; |
477 | cmd->argv[i].vartype = ARG_TYPE_STRING; |
441 | } else if (!parse_int_arg(cmdline+start, end-start+1, |
478 | } else if (!parse_int_arg(cmdline+start, end-start+1, |
442 | &cmd->argv[i].intval)) |
479 | &cmd->argv[i].intval)) |
443 | cmd->argv[i].vartype = ARG_TYPE_INT; |
480 | cmd->argv[i].vartype = ARG_TYPE_INT; |
444 | else { |
481 | else { |
445 | printf("Unrecognized variable argument.\n"); |
482 | printf("Unrecognized variable argument.\n"); |
446 | return NULL; |
483 | return NULL; |
447 | } |
484 | } |
448 | break; |
485 | break; |
449 | case ARG_TYPE_INVALID: |
486 | case ARG_TYPE_INVALID: |
450 | default: |
487 | default: |
451 | printf("invalid argument type\n"); |
488 | printf("invalid argument type\n"); |
452 | return NULL; |
489 | return NULL; |
453 | break; |
490 | break; |
454 | } |
491 | } |
455 | } |
492 | } |
456 | 493 | ||
457 | start = end + 1; |
494 | start = end + 1; |
458 | if (parse_argument(cmdline, len, &start, &end)) { |
495 | if (parse_argument(cmdline, len, &start, &end)) { |
459 | printf("Too many arguments.\n"); |
496 | printf("Too many arguments.\n"); |
460 | spinlock_unlock(&cmd->lock); |
497 | spinlock_unlock(&cmd->lock); |
461 | return NULL; |
498 | return NULL; |
462 | } |
499 | } |
463 | 500 | ||
464 | spinlock_unlock(&cmd->lock); |
501 | spinlock_unlock(&cmd->lock); |
465 | return cmd; |
502 | return cmd; |
466 | } |
503 | } |
467 | 504 | ||
468 | /** Parse argument. |
505 | /** Parse argument. |
469 | * |
506 | * |
470 | * Find start and end positions of command line argument. |
507 | * Find start and end positions of command line argument. |
471 | * |
508 | * |
472 | * @param cmdline Command line as read from the input device. |
509 | * @param cmdline Command line as read from the input device. |
473 | * @param len Number of characters in cmdline. |
510 | * @param len Number of characters in cmdline. |
474 | * @param start On entry, 'start' contains pointer to the index |
511 | * @param start On entry, 'start' contains pointer to the index |
475 | * of first unprocessed character of cmdline. |
512 | * of first unprocessed character of cmdline. |
476 | * On successful exit, it marks beginning of the next argument. |
513 | * On successful exit, it marks beginning of the next argument. |
477 | * @param end Undefined on entry. On exit, 'end' points to the last character |
514 | * @param end Undefined on entry. On exit, 'end' points to the last character |
478 | * of the next argument. |
515 | * of the next argument. |
479 | * |
516 | * |
480 | * @return false on failure, true on success. |
517 | * @return false on failure, true on success. |
481 | */ |
518 | */ |
482 | bool parse_argument(char *cmdline, size_t len, index_t *start, index_t *end) |
519 | bool parse_argument(char *cmdline, size_t len, index_t *start, index_t *end) |
483 | { |
520 | { |
484 | int i; |
521 | int i; |
485 | bool found_start = false; |
522 | bool found_start = false; |
486 | 523 | ||
487 | ASSERT(start != NULL); |
524 | ASSERT(start != NULL); |
488 | ASSERT(end != NULL); |
525 | ASSERT(end != NULL); |
489 | 526 | ||
490 | for (i = *start; i < len; i++) { |
527 | for (i = *start; i < len; i++) { |
491 | if (!found_start) { |
528 | if (!found_start) { |
492 | if (is_white(cmdline[i])) |
529 | if (is_white(cmdline[i])) |
493 | (*start)++; |
530 | (*start)++; |
494 | else |
531 | else |
495 | found_start = true; |
532 | found_start = true; |
496 | } else { |
533 | } else { |
497 | if (is_white(cmdline[i])) |
534 | if (is_white(cmdline[i])) |
498 | break; |
535 | break; |
499 | } |
536 | } |
500 | } |
537 | } |
501 | *end = i - 1; |
538 | *end = i - 1; |
502 | 539 | ||
503 | return found_start; |
540 | return found_start; |
504 | } |
541 | } |
505 | 542 | ||
506 | 543 | ||
507 | /** List supported commands. |
544 | /** List supported commands. |
508 | * |
545 | * |
509 | * @param argv Argument vector. |
546 | * @param argv Argument vector. |
510 | * |
547 | * |
511 | * @return 0 on failure, 1 on success. |
548 | * @return 0 on failure, 1 on success. |
512 | */ |
549 | */ |
513 | int cmd_help(cmd_arg_t *argv) |
550 | int cmd_help(cmd_arg_t *argv) |
514 | { |
551 | { |
515 | link_t *cur; |
552 | link_t *cur; |
516 | ipl_t ipl; |
553 | ipl_t ipl; |
517 | 554 | ||
518 | spinlock_lock(&cmd_lock); |
555 | spinlock_lock(&cmd_lock); |
519 | 556 | ||
520 | for (cur = cmd_head.next; cur != &cmd_head; cur = cur->next) { |
557 | for (cur = cmd_head.next; cur != &cmd_head; cur = cur->next) { |
521 | cmd_info_t *hlp; |
558 | cmd_info_t *hlp; |
522 | 559 | ||
523 | hlp = list_get_instance(cur, cmd_info_t, link); |
560 | hlp = list_get_instance(cur, cmd_info_t, link); |
524 | spinlock_lock(&hlp->lock); |
561 | spinlock_lock(&hlp->lock); |
525 | 562 | ||
526 | printf("%s - %s\n", hlp->name, hlp->description); |
563 | printf("%s - %s\n", hlp->name, hlp->description); |
527 | 564 | ||
528 | spinlock_unlock(&hlp->lock); |
565 | spinlock_unlock(&hlp->lock); |
529 | } |
566 | } |
530 | 567 | ||
531 | spinlock_unlock(&cmd_lock); |
568 | spinlock_unlock(&cmd_lock); |
532 | 569 | ||
533 | return 1; |
570 | return 1; |
534 | } |
571 | } |
535 | 572 | ||
536 | /** Describe specified command. |
573 | /** Describe specified command. |
537 | * |
574 | * |
538 | * @param argv Argument vector. |
575 | * @param argv Argument vector. |
539 | * |
576 | * |
540 | * @return 0 on failure, 1 on success. |
577 | * @return 0 on failure, 1 on success. |
541 | */ |
578 | */ |
542 | int cmd_desc(cmd_arg_t *argv) |
579 | int cmd_desc(cmd_arg_t *argv) |
543 | { |
580 | { |
544 | link_t *cur; |
581 | link_t *cur; |
545 | ipl_t ipl; |
582 | ipl_t ipl; |
546 | 583 | ||
547 | spinlock_lock(&cmd_lock); |
584 | spinlock_lock(&cmd_lock); |
548 | 585 | ||
549 | for (cur = cmd_head.next; cur != &cmd_head; cur = cur->next) { |
586 | for (cur = cmd_head.next; cur != &cmd_head; cur = cur->next) { |
550 | cmd_info_t *hlp; |
587 | cmd_info_t *hlp; |
551 | 588 | ||
552 | hlp = list_get_instance(cur, cmd_info_t, link); |
589 | hlp = list_get_instance(cur, cmd_info_t, link); |
553 | spinlock_lock(&hlp->lock); |
590 | spinlock_lock(&hlp->lock); |
554 | 591 | ||
555 | if (strncmp(hlp->name, (const char *) argv->buffer, strlen(hlp->name)) == 0) { |
592 | if (strncmp(hlp->name, (const char *) argv->buffer, strlen(hlp->name)) == 0) { |
556 | printf("%s - %s\n", hlp->name, hlp->description); |
593 | printf("%s - %s\n", hlp->name, hlp->description); |
557 | if (hlp->help) |
594 | if (hlp->help) |
558 | hlp->help(); |
595 | hlp->help(); |
559 | spinlock_unlock(&hlp->lock); |
596 | spinlock_unlock(&hlp->lock); |
560 | break; |
597 | break; |
561 | } |
598 | } |
562 | 599 | ||
563 | spinlock_unlock(&hlp->lock); |
600 | spinlock_unlock(&hlp->lock); |
564 | } |
601 | } |
565 | 602 | ||
566 | spinlock_unlock(&cmd_lock); |
603 | spinlock_unlock(&cmd_lock); |
567 | 604 | ||
568 | return 1; |
605 | return 1; |
569 | } |
606 | } |
570 | 607 | ||
571 | /** Search symbol table */ |
608 | /** Search symbol table */ |
572 | int cmd_symaddr(cmd_arg_t *argv) |
609 | int cmd_symaddr(cmd_arg_t *argv) |
573 | { |
610 | { |
574 | __address symaddr; |
611 | __address symaddr; |
575 | char *symbol; |
612 | char *symbol; |
576 | 613 | ||
577 | symtab_print_search(argv->buffer); |
614 | symtab_print_search(argv->buffer); |
578 | 615 | ||
579 | return 1; |
616 | return 1; |
580 | } |
617 | } |
581 | 618 | ||
582 | /** Call function with zero parameters */ |
619 | /** Call function with zero parameters */ |
583 | int cmd_call0(cmd_arg_t *argv) |
620 | int cmd_call0(cmd_arg_t *argv) |
584 | { |
621 | { |
585 | __address symaddr; |
622 | __address symaddr; |
586 | char *symbol; |
623 | char *symbol; |
587 | __native (*f)(void); |
624 | __native (*f)(void); |
588 | 625 | ||
589 | symaddr = get_symbol_addr(argv->buffer); |
626 | symaddr = get_symbol_addr(argv->buffer); |
590 | if (!symaddr) |
627 | if (!symaddr) |
591 | printf("Symbol %s not found.\n", argv->buffer); |
628 | printf("Symbol %s not found.\n", argv->buffer); |
592 | else if (symaddr == (__address) -1) { |
629 | else if (symaddr == (__address) -1) { |
593 | symtab_print_search(argv->buffer); |
630 | symtab_print_search(argv->buffer); |
594 | printf("Duplicate symbol, be more specific.\n"); |
631 | printf("Duplicate symbol, be more specific.\n"); |
595 | } else { |
632 | } else { |
596 | symbol = get_symtab_entry(symaddr); |
633 | symbol = get_symtab_entry(symaddr); |
597 | printf("Calling f(): 0x%p: %s\n", symaddr, symbol); |
634 | printf("Calling f(): 0x%p: %s\n", symaddr, symbol); |
598 | f = (__native (*)(void)) symaddr; |
635 | f = (__native (*)(void)) symaddr; |
599 | printf("Result: 0x%X\n", f()); |
636 | printf("Result: 0x%X\n", f()); |
600 | } |
637 | } |
601 | 638 | ||
602 | return 1; |
639 | return 1; |
603 | } |
640 | } |
604 | 641 | ||
605 | /** Call function with one parameter */ |
642 | /** Call function with one parameter */ |
606 | int cmd_call1(cmd_arg_t *argv) |
643 | int cmd_call1(cmd_arg_t *argv) |
607 | { |
644 | { |
608 | __address symaddr; |
645 | __address symaddr; |
609 | char *symbol; |
646 | char *symbol; |
610 | __native (*f)(__native); |
647 | __native (*f)(__native); |
611 | __native arg1 = argv[1].intval; |
648 | __native arg1 = argv[1].intval; |
612 | 649 | ||
613 | symaddr = get_symbol_addr(argv->buffer); |
650 | symaddr = get_symbol_addr(argv->buffer); |
614 | if (!symaddr) |
651 | if (!symaddr) |
615 | printf("Symbol %s not found.\n", argv->buffer); |
652 | printf("Symbol %s not found.\n", argv->buffer); |
616 | else if (symaddr == (__address) -1) { |
653 | else if (symaddr == (__address) -1) { |
617 | symtab_print_search(argv->buffer); |
654 | symtab_print_search(argv->buffer); |
618 | printf("Duplicate symbol, be more specific.\n"); |
655 | printf("Duplicate symbol, be more specific.\n"); |
619 | } else { |
656 | } else { |
620 | symbol = get_symtab_entry(symaddr); |
657 | symbol = get_symtab_entry(symaddr); |
621 | printf("Calling f(0x%x): 0x%p: %s\n", arg1, symaddr, symbol); |
658 | printf("Calling f(0x%x): 0x%p: %s\n", arg1, symaddr, symbol); |
622 | f = (__native (*)(__native)) symaddr; |
659 | f = (__native (*)(__native)) symaddr; |
623 | printf("Result: 0x%x\n", f(arg1)); |
660 | printf("Result: 0x%x\n", f(arg1)); |
624 | } |
661 | } |
625 | 662 | ||
626 | return 1; |
663 | return 1; |
627 | } |
664 | } |
628 | 665 | ||
629 | /** Call function with two parameters */ |
666 | /** Call function with two parameters */ |
630 | int cmd_call2(cmd_arg_t *argv) |
667 | int cmd_call2(cmd_arg_t *argv) |
631 | { |
668 | { |
632 | __address symaddr; |
669 | __address symaddr; |
633 | char *symbol; |
670 | char *symbol; |
634 | __native (*f)(__native,__native); |
671 | __native (*f)(__native,__native); |
635 | __native arg1 = argv[1].intval; |
672 | __native arg1 = argv[1].intval; |
636 | __native arg2 = argv[2].intval; |
673 | __native arg2 = argv[2].intval; |
637 | 674 | ||
638 | symaddr = get_symbol_addr(argv->buffer); |
675 | symaddr = get_symbol_addr(argv->buffer); |
639 | if (!symaddr) |
676 | if (!symaddr) |
640 | printf("Symbol %s not found.\n", argv->buffer); |
677 | printf("Symbol %s not found.\n", argv->buffer); |
641 | else if (symaddr == (__address) -1) { |
678 | else if (symaddr == (__address) -1) { |
642 | symtab_print_search(argv->buffer); |
679 | symtab_print_search(argv->buffer); |
643 | printf("Duplicate symbol, be more specific.\n"); |
680 | printf("Duplicate symbol, be more specific.\n"); |
644 | } else { |
681 | } else { |
645 | symbol = get_symtab_entry(symaddr); |
682 | symbol = get_symtab_entry(symaddr); |
646 | printf("Calling f(0x%x,0x%x): 0x%p: %s\n", |
683 | printf("Calling f(0x%x,0x%x): 0x%p: %s\n", |
647 | arg1, arg2, symaddr, symbol); |
684 | arg1, arg2, symaddr, symbol); |
648 | f = (__native (*)(__native,__native)) symaddr; |
685 | f = (__native (*)(__native,__native)) symaddr; |
649 | printf("Result: 0x%x\n", f(arg1, arg2)); |
686 | printf("Result: 0x%x\n", f(arg1, arg2)); |
650 | } |
687 | } |
- | 688 | ||
- | 689 | return 1; |
|
- | 690 | } |
|
- | 691 | ||
- | 692 | /** Call function with three parameters */ |
|
- | 693 | int cmd_call3(cmd_arg_t *argv) |
|
- | 694 | { |
|
- | 695 | __address symaddr; |
|
- | 696 | char *symbol; |
|
- | 697 | __native (*f)(__native,__native,__native); |
|
- | 698 | __native arg1 = argv[1].intval; |
|
- | 699 | __native arg2 = argv[2].intval; |
|
- | 700 | __native arg3 = argv[3].intval; |
|
- | 701 | ||
- | 702 | symaddr = get_symbol_addr(argv->buffer); |
|
- | 703 | if (!symaddr) |
|
- | 704 | printf("Symbol %s not found.\n", argv->buffer); |
|
- | 705 | else if (symaddr == (__address) -1) { |
|
- | 706 | symtab_print_search(argv->buffer); |
|
- | 707 | printf("Duplicate symbol, be more specific.\n"); |
|
- | 708 | } else { |
|
- | 709 | symbol = get_symtab_entry(symaddr); |
|
- | 710 | printf("Calling f(0x%x,0x%x, 0x%x): 0x%p: %s\n", |
|
- | 711 | arg1, arg2, arg3, symaddr, symbol); |
|
- | 712 | f = (__native (*)(__native,__native,__native)) symaddr; |
|
- | 713 | printf("Result: 0x%x\n", f(arg1, arg2, arg3)); |
|
- | 714 | } |
|
651 | 715 | ||
652 | return 1; |
716 | return 1; |
653 | } |
717 | } |
654 | 718 | ||
655 | 719 | ||
656 | /** Print detailed description of 'describe' command. */ |
720 | /** Print detailed description of 'describe' command. */ |
657 | void desc_help(void) |
721 | void desc_help(void) |
658 | { |
722 | { |
659 | printf("Syntax: describe command_name\n"); |
723 | printf("Syntax: describe command_name\n"); |
660 | } |
724 | } |
661 | 725 | ||
662 | /** Halt the kernel. |
726 | /** Halt the kernel. |
663 | * |
727 | * |
664 | * @param argv Argument vector (ignored). |
728 | * @param argv Argument vector (ignored). |
665 | * |
729 | * |
666 | * @return 0 on failure, 1 on success (never returns). |
730 | * @return 0 on failure, 1 on success (never returns). |
667 | */ |
731 | */ |
668 | int cmd_halt(cmd_arg_t *argv) |
732 | int cmd_halt(cmd_arg_t *argv) |
669 | { |
733 | { |
670 | halt(); |
734 | halt(); |
671 | return 1; |
735 | return 1; |
672 | } |
736 | } |
673 | 737 |