source: mainline/init/init.c@ 1cef26f

lfn serial ticket/834-toolchain-update topic/msim-upgrade topic/simplify-dev-export
Last change on this file since 1cef26f was 1cef26f, checked in by Jakub Jermar <jakub@…>, 19 years ago

Basic futex support for userspace.

  • Property mode set to 100644
File size: 7.8 KB
Line 
1/*
2 * Copyright (C) 2005 Martin Decky
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * - Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * - Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
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
15 * derived from this software without specific prior written permission.
16 *
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
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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
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
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29#include "version.h"
30#include <ipc.h>
31#include <stdio.h>
32#include <unistd.h>
33#include <stdlib.h>
34#include <ns.h>
35#include <thread.h>
36#include <futex.h>
37
38int a;
39atomic_t ftx;
40
41extern void utest(void *arg);
42void utest(void *arg)
43{
44 printf("Uspace thread started.\n");
45 if (futex_down(&ftx) < 0)
46 printf("Futex failed.\n");
47 if (futex_up(&ftx) < 0)
48 printf("Futex failed.\n");
49
50 printf("%s in good condition.\n", __FUNCTION__);
51
52 for (;;)
53 ;
54}
55
56static void test_printf(void)
57{
58 printf("Simple text.\n");
59 printf("Now insert '%s' string.\n","this");
60 printf("Signed formats on uns. numbers: '%d', '%+d', '% d', '%u' (,+, ,u)\n", 321, 321, 321, 321);
61 printf("Signed formats on sig. numbers: '%d', '%+d', '% d', '%u' (,+, ,u)\n", -321, -321, -321, -321);
62 printf("Signed with different sized: '%hhd', '%hd', '%d', '%ld', %lld;\n", -3, -32, -321, -32101l, -3210123ll);
63 printf("And now... '%hhd' byte! '%hd' word! '%d' int! \n", 11, 11111, 1111111111);
64 printf("Different bases: %#hx, %#hu, %#ho and %#hb\n", 123, 123, 123, 123);
65 printf("Different bases signed: %#hx, %#hu, %#ho and %#hb\n", -123, -123, -123, -123);
66 printf("'%llX' llX! Another '%llx' llx! \n", 0x1234567887654321ll, 0x1234567887654321ll);
67 printf("'%llX' with 64bit value and '%x' with 32 bit value. \n", 0x1234567887654321ll, 0x12345678 );
68 printf("'%llx' 64bit, '%x' 32bit, '%hhx' 8bit, '%hx' 16bit, '%llX' 64bit and '%s' string.\n", 0x1234567887654321ll, 0x12345678, 0x12, 0x1234, 0x1234567887654321ull, "Lovely string" );
69
70 printf("Thats all, folks!\n");
71}
72
73
74extern char _heap;
75static void test_mremap(void)
76{
77 printf("Writing to good memory\n");
78 mremap(&_heap, 120000, 0);
79 printf("%P\n", ((char *)&_heap));
80 printf("%P\n", ((char *)&_heap) + 80000);
81 *(((char *)&_heap) + 80000) = 10;
82 printf("Making small\n");
83 mremap(&_heap, 16000, 0);
84 printf("Failing..\n");
85 *((&_heap) + 80000) = 10;
86
87 printf("memory done\n");
88}
89/*
90static void test_sbrk(void)
91{
92 printf("Writing to good memory\n");
93 printf("Got: %P\n", sbrk(120000));
94 printf("%P\n", ((char *)&_heap));
95 printf("%P\n", ((char *)&_heap) + 80000);
96 *(((char *)&_heap) + 80000) = 10;
97 printf("Making small, got: %P\n",sbrk(-120000));
98 printf("Testing access to heap\n");
99 _heap = 10;
100 printf("Failing..\n");
101 *((&_heap) + 80000) = 10;
102
103 printf("memory done\n");
104}
105*/
106/*
107static void test_malloc(void)
108{
109 char *data;
110
111 data = malloc(10);
112 printf("Heap: %P, data: %P\n", &_heap, data);
113 data[0] = 'a';
114 free(data);
115}
116*/
117
118
119static void test_ping(void)
120{
121 ipcarg_t result;
122 int retval;
123
124 printf("Pinging\n");
125 retval = ipc_call_sync(PHONE_NS, NS_PING, 0xbeef,&result);
126 printf("Retval: %d - received: %P\n", retval, result);
127}
128
129static void got_answer(void *private, int retval, ipc_call_t *data)
130{
131 printf("Retval: %d...%s...%zX, %zX\n", retval, private,
132 IPC_GET_ARG1(*data), IPC_GET_ARG2(*data));
133}
134static void test_async_ipc(void)
135{
136 ipc_call_t data;
137 int i;
138
139 printf("Sending ping\n");
140 ipc_call_async_2(PHONE_NS, NS_PING, 1, 0xbeefbee2,
141 "Pong1", got_answer);
142 ipc_call_async_2(PHONE_NS, NS_PING, 2, 0xbeefbee4,
143 "Pong2", got_answer);
144 ipc_call_async_2(PHONE_NS, NS_PING, 3, 0xbeefbee4,
145 "Pong3", got_answer);
146 ipc_call_async_2(PHONE_NS, NS_PING, 4, 0xbeefbee4,
147 "Pong4", got_answer);
148 ipc_call_async_2(PHONE_NS, NS_PING, 5, 0xbeefbee4,
149 "Pong5", got_answer);
150 ipc_call_async_2(PHONE_NS, NS_PING, 6, 0xbeefbee4,
151 "Pong6", got_answer);
152 printf("Waiting forever...\n");
153 for (i=0; i<100;i++)
154 printf(".");
155 printf("\n");
156 ipc_wait_for_call(&data, NULL);
157 printf("Received call???\n");
158}
159
160
161static void got_answer_2(void *private, int retval, ipc_call_t *data)
162{
163 printf("Pong\n");
164}
165static void test_advanced_ipc(void)
166{
167 int res;
168 ipcarg_t phonead;
169 ipc_callid_t callid;
170 ipc_call_t data;
171 int i;
172
173 printf("Asking 0 to connect to me...\n");
174 res = ipc_connect_to_me(0, 1, 2, &phonead);
175 printf("Result: %d - phonead: %llu\n", res, phonead);
176 for (i=0; i < 100; i++) {
177 printf("----------------\n");
178 ipc_call_async(PHONE_NS, NS_PING_SVC, 0, "prov",
179 got_answer_2);
180 callid = ipc_wait_for_call(&data, NULL);
181 printf("Received ping\n");
182 ipc_answer(callid, 0, 0, 0);
183 }
184// callid = ipc_wait_for_call(&data, NULL);
185}
186
187static void test_connection_ipc(void)
188{
189 int res;
190 ipcarg_t result;
191 int phoneid;
192
193 printf("Starting connect...\n");
194 res = ipc_connect_me_to(PHONE_NS, 10, 20);
195 printf("Connected: %d\n", res);
196 printf("pinging.\n");
197 res = ipc_call_sync(res, NS_PING, 0xbeef,&result);
198 printf("Retval: %d - received: %X\n", res, result);
199
200}
201
202static void test_hangup(void)
203{
204 int phoneid;
205 ipc_call_t data;
206 ipc_callid_t callid;
207 int i;
208
209 printf("Starting connect...\n");
210 phoneid = ipc_connect_me_to(PHONE_NS, 10, 20);
211 printf("Phoneid: %d, pinging\n", phoneid);
212 ipc_call_async_2(PHONE_NS, NS_PING, 1, 0xbeefbee2,
213 "Pong1", got_answer);
214 printf("Hangin up\n");
215 ipc_hangup(phoneid);
216 printf("Connecting\n");
217 phoneid = ipc_connect_me_to(PHONE_NS, 10, 20);
218 printf("Newphid: %d\n", phoneid);
219 for (i=0; i < 1000; i++) {
220 if ((callid=ipc_wait_for_call(&data, IPC_WAIT_NONBLOCKING)))
221 printf("callid: %d\n");
222 }
223 printf("New new phoneid: %d\n", ipc_connect_me_to(PHONE_NS, 10, 20));
224}
225
226static void test_slam(void)
227{
228 int i;
229 ipc_call_t data;
230 ipc_callid_t callid;
231
232 printf("ping");
233 ipc_call_async_2(PHONE_NS, NS_PING, 1, 0xbeefbee2,
234 "Pong1", got_answer);
235 printf("slam");
236 ipc_call_async_2(PHONE_NS, NS_HANGUP, 1, 0xbeefbee2,
237 "Hang", got_answer);
238 printf("ping2\n");
239 ipc_call_async_2(PHONE_NS, NS_PING, 1, 0xbeefbee2,
240 "Ping2", got_answer);
241
242 for (i=0; i < 1000; i++) {
243 if ((callid=ipc_wait_for_call(&data, IPC_WAIT_NONBLOCKING)))
244 printf("callid: %d\n");
245 }
246 ipc_call_async_2(PHONE_NS, NS_PING, 1, 0xbeefbee2,
247 "Pong1", got_answer);
248 printf("Closing file\n");
249 ipc_hangup(PHONE_NS);
250 ipc_call_async_2(PHONE_NS, NS_PING, 1, 0xbeefbee2,
251 "Pong1", got_answer);
252 ipc_wait_for_call(&data, 0);
253}
254
255
256
257int main(int argc, char *argv[])
258{
259 int tid;
260 version_print();
261
262/* test_printf(); */
263// test_ping();
264// test_async_ipc();
265// test_advanced_ipc();
266// test_connection_ipc();
267// test_hangup();
268// test_slam();
269
270 futex_initialize(&ftx, 1);
271 if (futex_down(&ftx) < 0)
272 printf("Futex failed.\n");
273 if (futex_up(&ftx) < 0)
274 printf("Futex failed.\n");
275
276 if (futex_down(&ftx) < 0)
277 printf("Futex failed.\n");
278
279 if ((tid = thread_create(utest, NULL, "utest") != -1)) {
280 printf("Created thread tid=%d\n", tid);
281 }
282
283 int i;
284
285 for (i = 0; i < 10000000; i++)
286 ;
287
288 if (futex_up(&ftx) < 0)
289 printf("Futex failed.\n");
290
291 printf("Main thread exiting.\n");
292 return 0;
293}
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