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| 1 | /* |
1 | /* |
| 2 | * Copyright (C) 2006 Ondrej Palkovsky |
2 | * Copyright (C) 2006 Ondrej Palkovsky |
| 3 | * Copyright (C) 2006 Jakub Jermar |
3 | * Copyright (C) 2006 Jakub Jermar |
| 4 | * All rights reserved. |
4 | * All rights reserved. |
| 5 | * |
5 | * |
| 6 | * Redistribution and use in source and binary forms, with or without |
6 | * Redistribution and use in source and binary forms, with or without |
| 7 | * modification, are permitted provided that the following conditions |
7 | * modification, are permitted provided that the following conditions |
| 8 | * are met: |
8 | * are met: |
| 9 | * |
9 | * |
| 10 | * - Redistributions of source code must retain the above copyright |
10 | * - Redistributions of source code must retain the above copyright |
| 11 | * notice, this list of conditions and the following disclaimer. |
11 | * notice, this list of conditions and the following disclaimer. |
| 12 | * - Redistributions in binary form must reproduce the above copyright |
12 | * - Redistributions in binary form must reproduce the above copyright |
| 13 | * notice, this list of conditions and the following disclaimer in the |
13 | * notice, this list of conditions and the following disclaimer in the |
| 14 | * documentation and/or other materials provided with the distribution. |
14 | * documentation and/or other materials provided with the distribution. |
| 15 | * - The name of the author may not be used to endorse or promote products |
15 | * - The name of the author may not be used to endorse or promote products |
| 16 | * derived from this software without specific prior written permission. |
16 | * derived from this software without specific prior written permission. |
| 17 | * |
17 | * |
| 18 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
18 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| 19 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
19 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| 20 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
20 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| 21 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
21 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| 22 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
22 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| 23 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
23 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 24 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
24 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 25 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
25 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 26 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
26 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| 27 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
27 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 28 | */ |
28 | */ |
| 29 | 29 | ||
| 30 | /** @addtogroup libcsparc64 |
30 | /** @addtogroup libcsparc64 |
| 31 | * @{ |
31 | * @{ |
| 32 | */ |
32 | */ |
| 33 | /** |
33 | /** |
| 34 | * @file |
34 | * @file |
| 35 | * @brief sparc64 TLS functions. |
35 | * @brief sparc64 TLS functions. |
| 36 | * |
- | |
| 37 | * The implementation is based on the IA-32 implementation which was also |
- | |
| 38 | * designed by Sun and is virtually the same, except the TCB is stored in |
- | |
| 39 | * %g7 (of the normal set). |
- | |
| 40 | */ |
36 | */ |
| 41 | 37 | ||
| 42 | #ifndef LIBC_sparc64_THREAD_H_ |
38 | #ifndef LIBC_sparc64_THREAD_H_ |
| 43 | #define LIBC_sparc64_THREAD_H_ |
39 | #define LIBC_sparc64_THREAD_H_ |
| 44 | 40 | ||
| 45 | typedef struct { |
41 | typedef struct { |
| 46 | void *self; |
42 | void *self; |
| 47 | void *pst_data; |
43 | void *pst_data; |
| 48 | } tcb_t; |
44 | } tcb_t; |
| 49 | 45 | ||
| 50 | static inline void __tcb_set(tcb_t *tcb) |
46 | static inline void __tcb_set(tcb_t *tcb) |
| 51 | { |
47 | { |
| 52 | __asm__ volatile ("mov %0, %%g7\n" : : "r" (tcb) : "g7"); |
48 | __asm__ volatile ("mov %0, %%g7\n" : : "r" (tcb) : "g7"); |
| 53 | } |
49 | } |
| 54 | 50 | ||
| 55 | static inline tcb_t * __tcb_get(void) |
51 | static inline tcb_t * __tcb_get(void) |
| 56 | { |
52 | { |
| 57 | void *retval; |
53 | void *retval; |
| 58 | 54 | ||
| 59 | __asm__ volatile ("mov %%g7, %0\n" : "=r" (retval)); |
55 | __asm__ volatile ("mov %%g7, %0\n" : "=r" (retval)); |
| 60 | 56 | ||
| 61 | return retval; |
57 | return retval; |
| 62 | } |
58 | } |
| 63 | 59 | ||
| 64 | #endif |
60 | #endif |
| 65 | 61 | ||
| 66 | /** @} |
62 | /** @} |
| 67 | */ |
63 | */ |
| 68 | 64 | ||