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2128 | jermar | 1 | /* |
2 | * Copyright (c) 2006 Ondrej Palkovsky |
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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 | |||
29 | /** @addtogroup libcarm32 |
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30 | * @{ |
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31 | */ |
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32 | /** @file |
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33 | * @ingroup libcarm32 |
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34 | */ |
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35 | |||
36 | #ifndef LIBC_arm32_PSTHREAD_H_ |
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37 | #define LIBC_arm32_PSTHREAD_H_ |
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38 | |||
39 | #include <types.h> |
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2288 | stepan | 40 | #include <align.h> |
2346 | kebrt | 41 | #include "thread.h" |
42 | |||
2287 | jancik | 43 | #define STACK_ITEM_SIZE 4 |
2128 | jermar | 44 | |
2287 | jancik | 45 | /** see <a href="http://www.arm.com/support/faqdev/14269.html">ABI</a> for details */ |
46 | #define STACK_ALIGNMENT 8 |
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2128 | jermar | 47 | |
2287 | jancik | 48 | #define SP_DELTA (0 + ALIGN_UP(STACK_ITEM_SIZE, STACK_ALIGNMENT)) |
49 | |||
2334 | kebrt | 50 | #define context_set(c, _pc, stack, size, ptls) \ |
51 | (c)->pc = (sysarg_t) (_pc); \ |
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52 | (c)->sp = ((sysarg_t) (stack)) + (size) - SP_DELTA; \ |
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2346 | kebrt | 53 | (c)->tls = ((sysarg_t)(ptls)) + sizeof(tcb_t) + ARM_TP_OFFSET; |
2334 | kebrt | 54 | |
55 | |||
2128 | jermar | 56 | typedef struct { |
57 | uint32_t sp; |
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58 | uint32_t pc; |
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2287 | jancik | 59 | uint32_t r4; |
60 | uint32_t r5; |
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61 | uint32_t r6; |
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62 | uint32_t r7; |
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63 | uint32_t r8; |
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2332 | kebrt | 64 | uint32_t tls; |
2287 | jancik | 65 | uint32_t r10; |
66 | uint32_t r11; |
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2128 | jermar | 67 | } context_t; |
68 | |||
2334 | kebrt | 69 | |
2128 | jermar | 70 | #endif |
71 | |||
72 | /** @} |
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73 | */ |