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1 | /* |
1 | /* |
2 | * Copyright (c) 2006 Ondrej Palkovsky |
2 | * Copyright (c) 2006 Ondrej Palkovsky |
- | 3 | * Copyright (c) 2008 Jiri Svoboda |
|
3 | * All rights reserved. |
4 | * All rights reserved. |
4 | * |
5 | * |
5 | * Redistribution and use in source and binary forms, with or without |
6 | * Redistribution and use in source and binary forms, with or without |
6 | * modification, are permitted provided that the following conditions |
7 | * modification, are permitted provided that the following conditions |
7 | * are met: |
8 | * are met: |
8 | * |
9 | * |
9 | * - Redistributions of source code must retain the above copyright |
10 | * - Redistributions of source code must retain the above copyright |
10 | * notice, this list of conditions and the following disclaimer. |
11 | * notice, this list of conditions and the following disclaimer. |
11 | * - Redistributions in binary form must reproduce the above copyright |
12 | * - Redistributions in binary form must reproduce the above copyright |
12 | * notice, this list of conditions and the following disclaimer in the |
13 | * notice, this list of conditions and the following disclaimer in the |
13 | * documentation and/or other materials provided with the distribution. |
14 | * documentation and/or other materials provided with the distribution. |
14 | * - 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 |
15 | * derived from this software without specific prior written permission. |
16 | * derived from this software without specific prior written permission. |
16 | * |
17 | * |
17 | * 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 |
18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
19 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
20 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
20 | * 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, |
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
22 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
22 | * 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, |
23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
24 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
25 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
25 | * (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 |
26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
27 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
27 | */ |
28 | */ |
28 | 29 | ||
29 | /** @addtogroup libcppc32 |
30 | /** @addtogroup libcppc32 |
30 | * @{ |
31 | * @{ |
31 | */ |
32 | */ |
32 | /** @file |
33 | /** @file |
33 | */ |
34 | */ |
34 | 35 | ||
35 | #include <tls.h> |
36 | #include <tls.h> |
- | 37 | #include <align.h> |
|
36 | #include <sys/types.h> |
38 | #include <sys/types.h> |
37 | 39 | ||
38 | tcb_t * __alloc_tls(void **data, size_t size) |
40 | tcb_t * __alloc_tls(void **data, size_t size) |
39 | { |
41 | { |
40 | return tls_alloc_variant_1(data, size); |
42 | return tls_alloc_variant_1(data, size); |
41 | } |
43 | } |
42 | 44 | ||
43 | void __free_tls_arch(tcb_t *tcb, size_t size) |
45 | void __free_tls_arch(tcb_t *tcb, size_t size) |
44 | { |
46 | { |
45 | tls_free_variant_1(tcb, size); |
47 | tls_free_variant_1(tcb, size); |
46 | } |
48 | } |
- | 49 | ||
- | 50 | static void kputint(unsigned i) |
|
- | 51 | { |
|
- | 52 | asm volatile ( |
|
- | 53 | "mr %%r3, %0\n" |
|
- | 54 | "li %%r9, 32\n" |
|
- | 55 | "sc\n" |
|
- | 56 | : |
|
- | 57 | : "r" (i) |
|
- | 58 | : "%r3","%r9" |
|
- | 59 | ) ; |
|
- | 60 | } |
|
- | 61 | ||
- | 62 | typedef struct { |
|
- | 63 | unsigned long int ti_module; |
|
- | 64 | unsigned long int ti_offset; |
|
- | 65 | } tls_index; |
|
- | 66 | ||
- | 67 | void *__tls_get_addr(tls_index *ti); |
|
- | 68 | ||
- | 69 | /* ppc32 uses TLS variant 1 */ |
|
- | 70 | void *__tls_get_addr(tls_index *ti) |
|
- | 71 | { |
|
- | 72 | uint8_t *tls; |
|
- | 73 | ||
- | 74 | /* The TLS section is just after TCB */ |
|
- | 75 | tls = (uint8_t *)__tcb_get() + sizeof(tcb_t); |
|
- | 76 | ||
- | 77 | /* Hopefully this is right. No docs found. */ |
|
- | 78 | return tls + ti->ti_offset + 32768; |
|
- | 79 | } |
|
47 | 80 | ||
48 | /** @} |
81 | /** @} |
49 | */ |
82 | */ |
50 | 83 |