| [f761f1eb] | 1 | /*
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| [df4ed85] | 2 | * Copyright (c) 2005 Jakub Jermar
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| [f761f1eb] | 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 |
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| [e88eb48] | 29 | /** @addtogroup kernel_generic
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| [b45c443] | 30 | * @{
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| 31 | */
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| 32 |
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| [9179d0a] | 33 | /**
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| [b45c443] | 34 | * @file
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| [bcaca55] | 35 | * @brief Userspace bootstrap thread.
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| [9179d0a] | 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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| [bcaca55] | 42 |
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| [f761f1eb] | 43 | #include <main/uinit.h>
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| [d99c1d2] | 44 | #include <typedefs.h>
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| [f761f1eb] | 45 | #include <proc/thread.h>
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| 46 | #include <userspace.h>
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| [aafed15] | 47 | #include <stdlib.h>
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| [ea7890e7] | 48 | #include <arch.h>
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| [9a1b20c] | 49 | #include <udebug/udebug.h>
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| 50 |
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| [9f52563] | 51 | /** Thread used to bring up userspace thread.
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| 52 | *
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| [6f4495f5] | 53 | * @param arg Pointer to structure containing userspace entry and stack
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| 54 | * addresses.
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| [9f52563] | 55 | */
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| [f761f1eb] | 56 | void uinit(void *arg)
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| 57 | {
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| [9a1b20c] | 58 | #ifdef CONFIG_UDEBUG
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| 59 | udebug_stoppable_end();
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| 60 | #endif
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| [a35b458] | 61 |
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| [3fcea34] | 62 | uinit_arg_t *uarg = arg;
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| 63 | sysarg_t pc = uarg->pc;
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| 64 | sysarg_t sp = uarg->sp;
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| [2902e1bb] | 65 | free(uarg);
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| [a35b458] | 66 |
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| [3fcea34] | 67 | userspace(pc, sp);
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| [f761f1eb] | 68 | }
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| [b45c443] | 69 |
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| [8e3bf3e2] | 70 | /** @}
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| [b45c443] | 71 | */
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