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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 main |
29 | /** @addtogroup main |
| 30 | * @{ |
30 | * @{ |
| 31 | */ |
31 | */ |
| 32 | 32 | ||
| 33 | /** |
33 | /** |
| 34 | * @file |
34 | * @file |
| 35 | * @brief Userspace bootstrap thread. |
35 | * @brief Userspace bootstrap thread. |
| 36 | * |
36 | * |
| 37 | * This file contains uinit kernel thread wich is used to start every |
37 | * This file contains uinit kernel thread wich is used to start every |
| 38 | * userspace thread including threads created by SYS_THREAD_CREATE syscall. |
38 | * userspace thread including threads created by SYS_THREAD_CREATE syscall. |
| 39 | * |
39 | * |
| 40 | * @see SYS_THREAD_CREATE |
40 | * @see SYS_THREAD_CREATE |
| 41 | */ |
41 | */ |
| 42 | 42 | ||
| 43 | #include <main/uinit.h> |
43 | #include <main/uinit.h> |
| 44 | #include <arch/types.h> |
44 | #include <arch/types.h> |
| 45 | #include <proc/thread.h> |
45 | #include <proc/thread.h> |
| 46 | #include <userspace.h> |
46 | #include <userspace.h> |
| 47 | #include <mm/slab.h> |
47 | #include <mm/slab.h> |
| 48 | 48 | ||
| 49 | /** Thread used to bring up userspace thread. |
49 | /** Thread used to bring up userspace thread. |
| 50 | * |
50 | * |
| 51 | * @param arg Pointer to structure containing userspace entry and stack addresses. |
51 | * @param arg Pointer to structure containing userspace entry and stack addresses. |
| 52 | */ |
52 | */ |
| 53 | void uinit(void *arg) |
53 | void uinit(void *arg) |
| 54 | { |
54 | { |
| 55 | uspace_arg_t uarg; |
55 | uspace_arg_t uarg; |
| 56 | 56 | ||
| 57 | uarg.uspace_entry = ((uspace_arg_t *) arg)->uspace_entry; |
57 | uarg.uspace_entry = ((uspace_arg_t *) arg)->uspace_entry; |
| 58 | uarg.uspace_stack = ((uspace_arg_t *) arg)->uspace_stack; |
58 | uarg.uspace_stack = ((uspace_arg_t *) arg)->uspace_stack; |
| 59 | uarg.uspace_uarg = ((uspace_arg_t *) arg)->uspace_uarg; |
59 | uarg.uspace_uarg = ((uspace_arg_t *) arg)->uspace_uarg; |
| 60 | uarg.uspace_thread_function = NULL; |
60 | uarg.uspace_thread_function = NULL; |
| 61 | uarg.uspace_thread_arg = NULL; |
61 | uarg.uspace_thread_arg = NULL; |
| 62 | 62 | ||
| 63 | free((uspace_arg_t *) arg); |
63 | free((uspace_arg_t *) arg); |
| 64 | - | ||
| 65 | userspace(&uarg); |
64 | userspace(&uarg); |
| 66 | } |
65 | } |
| 67 | 66 | ||
| 68 | /** @} |
67 | /** @} |
| 69 | */ |
68 | */ |
| 70 | - | ||
| 71 | 69 | ||