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1 | jermar | 1 | /* |
2 | * Copyright (C) 2005 Jakub Jermar |
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3 | * All rights reserved. |
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4 | * |
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5 | * Redistribution and use in source and binary forms, with or without |
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6 | * modification, are permitted provided that the following conditions |
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7 | * are met: |
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8 | * |
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9 | * - Redistributions of source code must retain the above copyright |
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10 | * notice, this list of conditions and the following disclaimer. |
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11 | * - Redistributions in binary form must reproduce the above copyright |
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12 | * notice, this list of conditions and the following disclaimer in the |
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13 | * documentation and/or other materials provided with the distribution. |
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14 | * - The name of the author may not be used to endorse or promote products |
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15 | * derived from this software without specific prior written permission. |
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16 | * |
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17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
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20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
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21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
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26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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27 | */ |
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28 | |||
1702 | cejka | 29 | /** @addtogroup main |
30 | * @{ |
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31 | */ |
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32 | |||
1248 | jermar | 33 | /** |
1702 | cejka | 34 | * @file |
1248 | jermar | 35 | * @brief Userspace bootstrap thread. |
36 | * |
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37 | * This file contains uinit kernel thread wich is used to start every |
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38 | * userspace thread including threads created by SYS_THREAD_CREATE syscall. |
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39 | * |
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40 | * @see SYS_THREAD_CREATE |
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41 | */ |
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42 | |||
1 | jermar | 43 | #include <main/uinit.h> |
44 | #include <arch/types.h> |
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45 | #include <proc/thread.h> |
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46 | #include <userspace.h> |
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1066 | jermar | 47 | #include <mm/slab.h> |
1 | jermar | 48 | |
1066 | jermar | 49 | /** Thread used to bring up userspace thread. |
50 | * |
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51 | * @param arg Pointer to structure containing userspace entry and stack addresses. |
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52 | */ |
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1 | jermar | 53 | void uinit(void *arg) |
54 | { |
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1066 | jermar | 55 | uspace_arg_t uarg; |
56 | |||
57 | uarg.uspace_entry = ((uspace_arg_t *) arg)->uspace_entry; |
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58 | uarg.uspace_stack = ((uspace_arg_t *) arg)->uspace_stack; |
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1078 | jermar | 59 | uarg.uspace_uarg = ((uspace_arg_t *) arg)->uspace_uarg; |
60 | uarg.uspace_thread_function = NULL; |
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61 | uarg.uspace_thread_arg = NULL; |
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1066 | jermar | 62 | |
63 | free((uspace_arg_t *) arg); |
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64 | |||
65 | userspace(&uarg); |
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1 | jermar | 66 | } |
1702 | cejka | 67 | |
68 | /** @} |
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69 | */ |
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70 |