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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 | */ |
36 | */ |
37 | 37 | ||
38 | #ifndef LIBC_sparc64_TLS_H_ |
38 | #ifndef LIBC_sparc64_TLS_H_ |
39 | #define LIBC_sparc64_TLS_H_ |
39 | #define LIBC_sparc64_TLS_H_ |
40 | 40 | ||
41 | #define CONFIG_TLS_VARIANT_2 |
41 | #define CONFIG_TLS_VARIANT_2 |
42 | 42 | ||
43 | typedef struct { |
43 | typedef struct { |
44 | void *self; |
44 | void *self; |
45 | void *fibril_data; |
45 | void *fibril_data; |
46 | } tcb_t; |
46 | } tcb_t; |
47 | 47 | ||
48 | static inline void __tcb_set(tcb_t *tcb) |
48 | static inline void __tcb_set(tcb_t *tcb) |
49 | { |
49 | { |
50 | asm volatile ("mov %0, %%g7\n" : : "r" (tcb) : "g7"); |
50 | asm volatile ("mov %0, %%g7\n" : : "r" (tcb) : "g7"); |
51 | } |
51 | } |
52 | 52 | ||
53 | static inline tcb_t * __tcb_get(void) |
53 | static inline tcb_t * __tcb_get(void) |
54 | { |
54 | { |
55 | void *retval; |
55 | void *retval; |
56 | 56 | ||
57 | asm volatile ("mov %%g7, %0\n" : "=r" (retval)); |
57 | asm volatile ("mov %%g7, %0\n" : "=r" (retval)); |
58 | 58 | ||
59 | return retval; |
59 | return retval; |
60 | } |
60 | } |
61 | 61 | ||
62 | #endif |
62 | #endif |
63 | 63 | ||
64 | /** @} |
64 | /** @} |
65 | */ |
65 | */ |
66 | 66 |