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1 | /* |
1 | /* |
2 | * Copyright (c) 2008 Jiri Svoboda |
2 | * Copyright (c) 2008 Jiri Svoboda |
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 loader |
29 | /** @addtogroup loader |
30 | * @brief Loads and runs programs from VFS. |
30 | * @brief Loads and runs programs from VFS. |
31 | * @{ |
31 | * @{ |
32 | */ |
32 | */ |
33 | /** |
33 | /** |
34 | * @file |
34 | * @file |
35 | * @brief Loads and runs programs from VFS. |
35 | * @brief Loads and runs programs from VFS. |
36 | * |
36 | * |
37 | * The program loader is a special init binary. Its image is used |
37 | * The program loader is a special init binary. Its image is used |
38 | * to create a new task upon a @c task_spawn syscall. The syscall |
38 | * to create a new task upon a @c task_spawn syscall. The syscall |
39 | * returns the id of a phone connected to the newly created task. |
39 | * returns the id of a phone connected to the newly created task. |
40 | * |
40 | * |
41 | * The caller uses this phone to send the pathname and various other |
41 | * The caller uses this phone to send the pathname and various other |
42 | * information to the loader. This is normally done by the C library |
42 | * information to the loader. This is normally done by the C library |
43 | * and completely hidden from applications. |
43 | * and completely hidden from applications. |
44 | */ |
44 | */ |
45 | 45 | ||
46 | #include <stdio.h> |
46 | #include <stdio.h> |
47 | #include <stdlib.h> |
47 | #include <stdlib.h> |
48 | #include <unistd.h> |
48 | #include <unistd.h> |
49 | #include <bool.h> |
49 | #include <bool.h> |
50 | #include <fcntl.h> |
50 | #include <fcntl.h> |
51 | #include <sys/types.h> |
51 | #include <sys/types.h> |
52 | #include <ipc/ipc.h> |
52 | #include <ipc/ipc.h> |
53 | #include <ipc/loader.h> |
53 | #include <ipc/loader.h> |
54 | #include <loader/pcb.h> |
54 | #include <loader/pcb.h> |
55 | #include <errno.h> |
55 | #include <errno.h> |
56 | #include <async.h> |
56 | #include <async.h> |
57 | #include <as.h> |
57 | #include <as.h> |
58 | 58 | ||
59 | #include <elf.h> |
59 | #include <elf.h> |
60 | #include <elf_load.h> |
60 | #include <elf_load.h> |
61 | 61 | ||
62 | /** |
62 | /** |
63 | * Bias used for loading the dynamic linker. This will be soon replaced |
63 | * Bias used for loading the dynamic linker. This will be soon replaced |
64 | * by automatic placement. |
64 | * by automatic placement. |
65 | */ |
65 | */ |
66 | #define RTLD_BIAS 0x80000 |
66 | #define RTLD_BIAS 0x80000 |
67 | 67 | ||
68 | /** Pathname of the file that will be loaded */ |
68 | /** Pathname of the file that will be loaded */ |
69 | static char *pathname = NULL; |
69 | static char *pathname = NULL; |
70 | 70 | ||
71 | /** The Program control block */ |
71 | /** The Program control block */ |
72 | static pcb_t pcb; |
72 | static pcb_t pcb; |
73 | 73 | ||
74 | /** Number of arguments */ |
74 | /** Number of arguments */ |
75 | static int argc = 0; |
75 | static int argc = 0; |
76 | /** Argument vector */ |
76 | /** Argument vector */ |
77 | static char **argv = NULL; |
77 | static char **argv = NULL; |
78 | /** Buffer holding all arguments */ |
78 | /** Buffer holding all arguments */ |
79 | static char *arg_buf = NULL; |
79 | static char *arg_buf = NULL; |
80 | 80 | ||
81 | static elf_info_t prog_info; |
81 | static elf_info_t prog_info; |
82 | static elf_info_t interp_info; |
82 | static elf_info_t interp_info; |
83 | 83 | ||
84 | static bool is_dyn_linked; |
84 | static bool is_dyn_linked; |
85 | 85 | ||
86 | 86 | ||
87 | static void loader_get_taskid(ipc_callid_t rid, ipc_call_t *request) |
87 | static void loader_get_taskid(ipc_callid_t rid, ipc_call_t *request) |
88 | { |
88 | { |
89 | ipc_callid_t callid; |
89 | ipc_callid_t callid; |
90 | task_id_t task_id; |
90 | task_id_t task_id; |
91 | size_t len; |
91 | size_t len; |
92 | 92 | ||
93 | task_id = task_get_id(); |
93 | task_id = task_get_id(); |
94 | 94 | ||
95 | if (!ipc_data_read_receive(&callid, &len)) { |
95 | if (!ipc_data_read_receive(&callid, &len)) { |
96 | ipc_answer_0(callid, EINVAL); |
96 | ipc_answer_0(callid, EINVAL); |
97 | ipc_answer_0(rid, EINVAL); |
97 | ipc_answer_0(rid, EINVAL); |
98 | return; |
98 | return; |
99 | } |
99 | } |
100 | 100 | ||
101 | if (len > sizeof(task_id)) len = sizeof(task_id); |
101 | if (len > sizeof(task_id)) len = sizeof(task_id); |
102 | 102 | ||
103 | ipc_data_read_finalize(callid, &task_id, len); |
103 | ipc_data_read_finalize(callid, &task_id, len); |
104 | ipc_answer_0(rid, EOK); |
104 | ipc_answer_0(rid, EOK); |
105 | } |
105 | } |
106 | 106 | ||
107 | 107 | ||
108 | /** Receive a call setting pathname of the program to execute. |
108 | /** Receive a call setting pathname of the program to execute. |
109 | * |
109 | * |
110 | * @param rid |
110 | * @param rid |
111 | * @param request |
111 | * @param request |
112 | */ |
112 | */ |
113 | static void loader_set_pathname(ipc_callid_t rid, ipc_call_t *request) |
113 | static void loader_set_pathname(ipc_callid_t rid, ipc_call_t *request) |
114 | { |
114 | { |
115 | ipc_callid_t callid; |
115 | ipc_callid_t callid; |
116 | size_t len; |
116 | size_t len; |
117 | char *name_buf; |
117 | char *name_buf; |
118 | 118 | ||
119 | if (!ipc_data_write_receive(&callid, &len)) { |
119 | if (!ipc_data_write_receive(&callid, &len)) { |
120 | ipc_answer_0(callid, EINVAL); |
120 | ipc_answer_0(callid, EINVAL); |
121 | ipc_answer_0(rid, EINVAL); |
121 | ipc_answer_0(rid, EINVAL); |
122 | return; |
122 | return; |
123 | } |
123 | } |
124 | 124 | ||
125 | name_buf = malloc(len + 1); |
125 | name_buf = malloc(len + 1); |
126 | if (!name_buf) { |
126 | if (!name_buf) { |
127 | ipc_answer_0(callid, ENOMEM); |
127 | ipc_answer_0(callid, ENOMEM); |
128 | ipc_answer_0(rid, ENOMEM); |
128 | ipc_answer_0(rid, ENOMEM); |
129 | return; |
129 | return; |
130 | } |
130 | } |
131 | 131 | ||
132 | ipc_data_write_finalize(callid, name_buf, len); |
132 | ipc_data_write_finalize(callid, name_buf, len); |
133 | ipc_answer_0(rid, EOK); |
133 | ipc_answer_0(rid, EOK); |
134 | 134 | ||
135 | if (pathname != NULL) { |
135 | if (pathname != NULL) { |
136 | free(pathname); |
136 | free(pathname); |
137 | pathname = NULL; |
137 | pathname = NULL; |
138 | } |
138 | } |
139 | 139 | ||
140 | name_buf[len] = '\0'; |
140 | name_buf[len] = '\0'; |
141 | pathname = name_buf; |
141 | pathname = name_buf; |
142 | } |
142 | } |
143 | 143 | ||
144 | /** Receive a call setting arguments of the program to execute. |
144 | /** Receive a call setting arguments of the program to execute. |
145 | * |
145 | * |
146 | * @param rid |
146 | * @param rid |
147 | * @param request |
147 | * @param request |
148 | */ |
148 | */ |
149 | static void loader_set_args(ipc_callid_t rid, ipc_call_t *request) |
149 | static void loader_set_args(ipc_callid_t rid, ipc_call_t *request) |
150 | { |
150 | { |
151 | ipc_callid_t callid; |
151 | ipc_callid_t callid; |
152 | size_t buf_len, arg_len; |
152 | size_t buf_len, arg_len; |
153 | char *p; |
153 | char *p; |
154 | int n; |
154 | int n; |
155 | 155 | ||
156 | if (!ipc_data_write_receive(&callid, &buf_len)) { |
156 | if (!ipc_data_write_receive(&callid, &buf_len)) { |
157 | ipc_answer_0(callid, EINVAL); |
157 | ipc_answer_0(callid, EINVAL); |
158 | ipc_answer_0(rid, EINVAL); |
158 | ipc_answer_0(rid, EINVAL); |
159 | return; |
159 | return; |
160 | } |
160 | } |
161 | 161 | ||
162 | if (arg_buf != NULL) { |
162 | if (arg_buf != NULL) { |
163 | free(arg_buf); |
163 | free(arg_buf); |
164 | arg_buf = NULL; |
164 | arg_buf = NULL; |
165 | } |
165 | } |
166 | 166 | ||
167 | if (argv != NULL) { |
167 | if (argv != NULL) { |
168 | free(argv); |
168 | free(argv); |
169 | argv = NULL; |
169 | argv = NULL; |
170 | } |
170 | } |
171 | 171 | ||
172 | arg_buf = malloc(buf_len + 1); |
172 | arg_buf = malloc(buf_len + 1); |
173 | if (!arg_buf) { |
173 | if (!arg_buf) { |
174 | ipc_answer_0(callid, ENOMEM); |
174 | ipc_answer_0(callid, ENOMEM); |
175 | ipc_answer_0(rid, ENOMEM); |
175 | ipc_answer_0(rid, ENOMEM); |
176 | return; |
176 | return; |
177 | } |
177 | } |
178 | 178 | ||
179 | ipc_data_write_finalize(callid, arg_buf, buf_len); |
179 | ipc_data_write_finalize(callid, arg_buf, buf_len); |
180 | ipc_answer_0(rid, EOK); |
180 | ipc_answer_0(rid, EOK); |
181 | 181 | ||
182 | arg_buf[buf_len] = '\0'; |
182 | arg_buf[buf_len] = '\0'; |
183 | 183 | ||
184 | /* |
184 | /* |
185 | * Count number of arguments |
185 | * Count number of arguments |
186 | */ |
186 | */ |
187 | p = arg_buf; |
187 | p = arg_buf; |
188 | n = 0; |
188 | n = 0; |
189 | while (p < arg_buf + buf_len) { |
189 | while (p < arg_buf + buf_len) { |
190 | arg_len = strlen(p); |
190 | arg_len = strlen(p); |
191 | p = p + arg_len + 1; |
191 | p = p + arg_len + 1; |
192 | ++n; |
192 | ++n; |
193 | } |
193 | } |
194 | 194 | ||
195 | /* Allocate argv */ |
195 | /* Allocate argv */ |
196 | argv = malloc((n + 1) * sizeof(char *)); |
196 | argv = malloc((n + 1) * sizeof(char *)); |
197 | 197 | ||
198 | if (argv == NULL) { |
198 | if (argv == NULL) { |
199 | free(arg_buf); |
199 | free(arg_buf); |
200 | ipc_answer_0(callid, ENOMEM); |
200 | ipc_answer_0(callid, ENOMEM); |
201 | ipc_answer_0(rid, ENOMEM); |
201 | ipc_answer_0(rid, ENOMEM); |
202 | return; |
202 | return; |
203 | } |
203 | } |
204 | 204 | ||
205 | /* |
205 | /* |
206 | * Fill argv with argument pointers |
206 | * Fill argv with argument pointers |
207 | */ |
207 | */ |
208 | p = arg_buf; |
208 | p = arg_buf; |
209 | n = 0; |
209 | n = 0; |
210 | while (p < arg_buf + buf_len) { |
210 | while (p < arg_buf + buf_len) { |
211 | argv[n] = p; |
211 | argv[n] = p; |
212 | 212 | ||
213 | arg_len = strlen(p); |
213 | arg_len = strlen(p); |
214 | p = p + arg_len + 1; |
214 | p = p + arg_len + 1; |
215 | ++n; |
215 | ++n; |
216 | } |
216 | } |
217 | 217 | ||
218 | argc = n; |
218 | argc = n; |
219 | argv[n] = NULL; |
219 | argv[n] = NULL; |
220 | } |
220 | } |
221 | 221 | ||
222 | /** Load the previously selected program. |
222 | /** Load the previously selected program. |
223 | * |
223 | * |
224 | * @param rid |
224 | * @param rid |
225 | * @param request |
225 | * @param request |
226 | * @return 0 on success, !0 on error. |
226 | * @return 0 on success, !0 on error. |
227 | */ |
227 | */ |
228 | static int loader_load(ipc_callid_t rid, ipc_call_t *request) |
228 | static int loader_load(ipc_callid_t rid, ipc_call_t *request) |
229 | { |
229 | { |
230 | int rc; |
230 | int rc; |
231 | 231 | ||
232 | // printf("Load program '%s'\n", pathname); |
232 | // printf("Load program '%s'\n", pathname); |
233 | 233 | ||
234 | rc = elf_load_file(pathname, 0, &prog_info); |
234 | rc = elf_load_file(pathname, 0, 0, &prog_info); |
235 | if (rc < 0) { |
235 | if (rc < 0) { |
236 | printf("failed to load program\n"); |
236 | printf("failed to load program\n"); |
237 | ipc_answer_0(rid, EINVAL); |
237 | ipc_answer_0(rid, EINVAL); |
238 | return 1; |
238 | return 1; |
239 | } |
239 | } |
240 | 240 | ||
241 | // printf("Create PCB\n"); |
241 | // printf("Create PCB\n"); |
242 | elf_create_pcb(&prog_info, &pcb); |
242 | elf_create_pcb(&prog_info, &pcb); |
243 | 243 | ||
244 | pcb.argc = argc; |
244 | pcb.argc = argc; |
245 | pcb.argv = argv; |
245 | pcb.argv = argv; |
246 | 246 | ||
247 | if (prog_info.interp == NULL) { |
247 | if (prog_info.interp == NULL) { |
248 | /* Statically linked program */ |
248 | /* Statically linked program */ |
249 | // printf("Run statically linked program\n"); |
249 | // printf("Run statically linked program\n"); |
250 | // printf("entry point: 0x%llx\n", prog_info.entry); |
250 | // printf("entry point: 0x%llx\n", prog_info.entry); |
251 | is_dyn_linked = false; |
251 | is_dyn_linked = false; |
252 | ipc_answer_0(rid, EOK); |
252 | ipc_answer_0(rid, EOK); |
253 | return 0; |
253 | return 0; |
254 | } |
254 | } |
255 | 255 | ||
256 | printf("Load dynamic linker '%s'\n", prog_info.interp); |
256 | printf("Load dynamic linker '%s'\n", prog_info.interp); |
257 | rc = elf_load_file(prog_info.interp, RTLD_BIAS, &interp_info); |
257 | rc = elf_load_file(prog_info.interp, RTLD_BIAS, 0, &interp_info); |
258 | if (rc < 0) { |
258 | if (rc < 0) { |
259 | printf("failed to load dynamic linker\n"); |
259 | printf("failed to load dynamic linker\n"); |
260 | ipc_answer_0(rid, EINVAL); |
260 | ipc_answer_0(rid, EINVAL); |
261 | return 1; |
261 | return 1; |
262 | } |
262 | } |
263 | 263 | ||
264 | /* |
264 | /* |
265 | * Provide dynamic linker with some useful data |
265 | * Provide dynamic linker with some useful data |
266 | */ |
266 | */ |
267 | pcb.rtld_dynamic = interp_info.dynamic; |
267 | pcb.rtld_dynamic = interp_info.dynamic; |
268 | pcb.rtld_bias = RTLD_BIAS; |
268 | pcb.rtld_bias = RTLD_BIAS; |
269 | 269 | ||
270 | printf("run dynamic linker\n"); |
270 | printf("run dynamic linker\n"); |
271 | printf("rtld_dynamic = 0x%lx\n", pcb.rtld_dynamic); |
271 | printf("rtld_dynamic = 0x%lx\n", pcb.rtld_dynamic); |
272 | printf("entry point: 0x%lx\n", interp_info.entry); |
272 | printf("entry point: 0x%lx\n", interp_info.entry); |
273 | printf("pcb address: 0x%lx\n", &pcb); |
273 | printf("pcb address: 0x%lx\n", &pcb); |
274 | 274 | ||
275 | is_dyn_linked = true; |
275 | is_dyn_linked = true; |
276 | ipc_answer_0(rid, EOK); |
276 | ipc_answer_0(rid, EOK); |
277 | 277 | ||
278 | return 0; |
278 | return 0; |
279 | } |
279 | } |
280 | 280 | ||
281 | 281 | ||
282 | /** Run the previously loaded program. |
282 | /** Run the previously loaded program. |
283 | * |
283 | * |
284 | * @param rid |
284 | * @param rid |
285 | * @param request |
285 | * @param request |
286 | * @return 0 on success, !0 on error. |
286 | * @return 0 on success, !0 on error. |
287 | */ |
287 | */ |
288 | static void loader_run(ipc_callid_t rid, ipc_call_t *request) |
288 | static void loader_run(ipc_callid_t rid, ipc_call_t *request) |
289 | { |
289 | { |
290 | if (is_dyn_linked == true) { |
290 | if (is_dyn_linked == true) { |
291 | /* Dynamically linked program */ |
291 | /* Dynamically linked program */ |
292 | printf("run dynamic linker\n"); |
292 | printf("run dynamic linker\n"); |
293 | printf("entry point: 0x%llx\n", interp_info.entry); |
293 | printf("entry point: 0x%llx\n", interp_info.entry); |
294 | close_console(); |
294 | close_console(); |
295 | 295 | ||
296 | ipc_answer_0(rid, EOK); |
296 | ipc_answer_0(rid, EOK); |
297 | elf_run(&interp_info, &pcb); |
297 | elf_run(&interp_info, &pcb); |
298 | 298 | ||
299 | } else { |
299 | } else { |
300 | /* Statically linked program */ |
300 | /* Statically linked program */ |
301 | close_console(); |
301 | close_console(); |
302 | ipc_answer_0(rid, EOK); |
302 | ipc_answer_0(rid, EOK); |
303 | elf_run(&prog_info, &pcb); |
303 | elf_run(&prog_info, &pcb); |
304 | } |
304 | } |
305 | 305 | ||
306 | /* Not reached */ |
306 | /* Not reached */ |
307 | } |
307 | } |
308 | 308 | ||
309 | /** Handle loader connection. |
309 | /** Handle loader connection. |
310 | * |
310 | * |
311 | * Receive and carry out commands (of which the last one should be |
311 | * Receive and carry out commands (of which the last one should be |
312 | * to execute the loaded program). |
312 | * to execute the loaded program). |
313 | */ |
313 | */ |
314 | static void loader_connection(ipc_callid_t iid, ipc_call_t *icall) |
314 | static void loader_connection(ipc_callid_t iid, ipc_call_t *icall) |
315 | { |
315 | { |
316 | ipc_callid_t callid; |
316 | ipc_callid_t callid; |
317 | ipc_call_t call; |
317 | ipc_call_t call; |
318 | int retval; |
318 | int retval; |
319 | 319 | ||
320 | /* Ignore parameters, the connection is already open */ |
320 | /* Ignore parameters, the connection is already open */ |
321 | (void)iid; (void)icall; |
321 | (void)iid; (void)icall; |
322 | 322 | ||
323 | while (1) { |
323 | while (1) { |
324 | callid = async_get_call(&call); |
324 | callid = async_get_call(&call); |
325 | 325 | ||
326 | switch (IPC_GET_METHOD(call)) { |
326 | switch (IPC_GET_METHOD(call)) { |
327 | case LOADER_GET_TASKID: |
327 | case LOADER_GET_TASKID: |
328 | loader_get_taskid(callid, &call); |
328 | loader_get_taskid(callid, &call); |
329 | continue; |
329 | continue; |
330 | case LOADER_SET_PATHNAME: |
330 | case LOADER_SET_PATHNAME: |
331 | loader_set_pathname(callid, &call); |
331 | loader_set_pathname(callid, &call); |
332 | continue; |
332 | continue; |
333 | case LOADER_SET_ARGS: |
333 | case LOADER_SET_ARGS: |
334 | loader_set_args(callid, &call); |
334 | loader_set_args(callid, &call); |
335 | continue; |
335 | continue; |
336 | case LOADER_LOAD: |
336 | case LOADER_LOAD: |
337 | loader_load(callid, &call); |
337 | loader_load(callid, &call); |
338 | continue; |
338 | continue; |
339 | case LOADER_RUN: |
339 | case LOADER_RUN: |
340 | loader_run(callid, &call); |
340 | loader_run(callid, &call); |
341 | /* Not reached */ |
341 | /* Not reached */ |
342 | default: |
342 | default: |
343 | retval = ENOENT; |
343 | retval = ENOENT; |
344 | break; |
344 | break; |
345 | } |
345 | } |
346 | if ((callid & IPC_CALLID_NOTIFICATION) == 0 && |
346 | if ((callid & IPC_CALLID_NOTIFICATION) == 0 && |
347 | IPC_GET_METHOD(call) != IPC_M_PHONE_HUNGUP) { |
347 | IPC_GET_METHOD(call) != IPC_M_PHONE_HUNGUP) { |
348 | printf("responding EINVAL to method %d\n", |
348 | printf("responding EINVAL to method %d\n", |
349 | IPC_GET_METHOD(call)); |
349 | IPC_GET_METHOD(call)); |
350 | ipc_answer_0(callid, EINVAL); |
350 | ipc_answer_0(callid, EINVAL); |
351 | } |
351 | } |
352 | } |
352 | } |
353 | } |
353 | } |
354 | 354 | ||
355 | /** Program loader main function. |
355 | /** Program loader main function. |
356 | */ |
356 | */ |
357 | int main(int argc, char *argv[]) |
357 | int main(int argc, char *argv[]) |
358 | { |
358 | { |
359 | ipc_callid_t callid; |
359 | ipc_callid_t callid; |
360 | ipc_call_t call; |
360 | ipc_call_t call; |
361 | ipcarg_t phone_hash; |
361 | ipcarg_t phone_hash; |
362 | 362 | ||
363 | /* The first call only communicates the incoming phone hash */ |
363 | /* The first call only communicates the incoming phone hash */ |
364 | callid = ipc_wait_for_call(&call); |
364 | callid = ipc_wait_for_call(&call); |
365 | 365 | ||
366 | if (IPC_GET_METHOD(call) != LOADER_HELLO) { |
366 | if (IPC_GET_METHOD(call) != LOADER_HELLO) { |
367 | if (IPC_GET_METHOD(call) != IPC_M_PHONE_HUNGUP) |
367 | if (IPC_GET_METHOD(call) != IPC_M_PHONE_HUNGUP) |
368 | ipc_answer_0(callid, EINVAL); |
368 | ipc_answer_0(callid, EINVAL); |
369 | return 1; |
369 | return 1; |
370 | } |
370 | } |
371 | 371 | ||
372 | ipc_answer_0(callid, EOK); |
372 | ipc_answer_0(callid, EOK); |
373 | phone_hash = call.in_phone_hash; |
373 | phone_hash = call.in_phone_hash; |
374 | 374 | ||
375 | /* |
375 | /* |
376 | * Up until now async must not be used as it couldn't |
376 | * Up until now async must not be used as it couldn't |
377 | * handle incoming requests. (Which means e.g. printf() |
377 | * handle incoming requests. (Which means e.g. printf() |
378 | * cannot be used) |
378 | * cannot be used) |
379 | */ |
379 | */ |
380 | async_new_connection(phone_hash, 0, NULL, loader_connection); |
380 | async_new_connection(phone_hash, 0, NULL, loader_connection); |
381 | async_manager(); |
381 | async_manager(); |
382 | 382 | ||
383 | /* not reached */ |
383 | /* not reached */ |
384 | return 0; |
384 | return 0; |
385 | } |
385 | } |
386 | 386 | ||
387 | /** @} |
387 | /** @} |
388 | */ |
388 | */ |
389 | 389 |