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1125 | jermar | 1 | /* |
2071 | jermar | 2 | * Copyright (c) 2006 Jakub Jermar |
1125 | jermar | 3 | * All rights reserved. |
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 | |||
1866 | jermar | 29 | /** @addtogroup libcia64 |
1656 | cejka | 30 | * @{ |
31 | */ |
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32 | /** @file |
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33 | */ |
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34 | |||
1866 | jermar | 35 | #ifndef LIBC_ia64THREAD_H_ |
36 | #define LIBC_ia64THREAD_H_ |
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1125 | jermar | 37 | |
1167 | vana | 38 | #define THREAD_INITIAL_STACK_PAGES_NO 2 |
39 | |||
1129 | palkovsky | 40 | /* This structure must be exactly 16 bytes long */ |
41 | typedef struct { |
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42 | void *dtv; /* unused in static linking*/ |
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43 | void *pst_data; |
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44 | } tcb_t; |
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45 | |||
46 | static inline void __tcb_set(tcb_t *tcb) |
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1125 | jermar | 47 | { |
2082 | decky | 48 | asm volatile ("mov r13 = %0\n" : : "r" (tcb) : "r13"); |
1125 | jermar | 49 | } |
50 | |||
1129 | palkovsky | 51 | static inline tcb_t *__tcb_get(void) |
1125 | jermar | 52 | { |
53 | void *retval; |
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54 | |||
2082 | decky | 55 | asm volatile ("mov %0 = r13\n" : "=r" (retval)); |
1125 | jermar | 56 | |
57 | return retval; |
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58 | } |
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59 | |||
60 | #endif |
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1656 | cejka | 61 | |
1866 | jermar | 62 | /** @} |
1656 | cejka | 63 | */ |