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1113 | palkovsky | 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 | |||
1656 | cejka | 29 | /** @addtogroup libcamd64 |
30 | * @{ |
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31 | */ |
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32 | /** @file |
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33 | */ |
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34 | |||
1113 | palkovsky | 35 | #ifndef __LIBC__amd64THREAD_H__ |
36 | #define __LIBC__amd64THREAD_H__ |
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37 | |||
38 | #include <libc.h> |
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39 | |||
1129 | palkovsky | 40 | typedef struct { |
41 | void *self; |
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42 | void *pst_data; |
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43 | } tcb_t; |
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44 | |||
45 | static inline void __tcb_set(tcb_t *tcb) |
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1113 | palkovsky | 46 | { |
1129 | palkovsky | 47 | __SYSCALL1(SYS_TLS_SET, (sysarg_t) tcb); |
1113 | palkovsky | 48 | } |
49 | |||
1129 | palkovsky | 50 | static inline tcb_t * __tcb_get(void) |
1113 | palkovsky | 51 | { |
52 | void * retval; |
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53 | |||
54 | __asm__ ("movq %%fs:0, %0" : "=r"(retval)); |
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55 | return retval; |
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56 | } |
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57 | |||
58 | #endif |
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1656 | cejka | 59 | |
60 | |||
61 | /** @} |
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62 | */ |
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63 | |||
64 |