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| Rev | Author | Line No. | Line |
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| 2128 | jermar | 1 | /* |
| 2 | * Copyright (c) 2006 Jakub Jermar |
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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 | |||
| 29 | /** @addtogroup libcia64 |
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| 30 | * @{ |
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| 31 | */ |
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| 32 | /** @file |
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| 33 | */ |
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| 34 | |||
| 35 | #ifndef LIBC_arm32_THREAD_H_ |
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| 36 | #define LIBC_arm32_THREAD_H_ |
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| 37 | |||
| 38 | #include <unistd.h> |
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| 39 | |||
| 40 | #define THREAD_INITIAL_STACK_PAGES_NO 1 |
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| 41 | |||
| 2346 | kebrt | 42 | #define ARM_TP_OFFSET (-8) |
| 43 | |||
| 2128 | jermar | 44 | typedef struct { |
| 45 | void *pst_data; |
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| 46 | } tcb_t; |
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| 47 | |||
| 48 | static inline void __tcb_set(tcb_t *tcb) |
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| 49 | { |
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| 2346 | kebrt | 50 | void *tls = (void *)tcb; |
| 51 | tls += sizeof(tcb_t) + ARM_TP_OFFSET; |
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| 2335 | kebrt | 52 | asm volatile ( |
| 2320 | jancik | 53 | "mov r9, %0" |
| 54 | : |
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| 2335 | kebrt | 55 | : "r"(tls) |
| 2320 | jancik | 56 | ); |
| 2128 | jermar | 57 | } |
| 58 | |||
| 59 | static inline tcb_t *__tcb_get(void) |
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| 60 | { |
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| 2335 | kebrt | 61 | void *ret; |
| 62 | asm volatile ( |
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| 2320 | jancik | 63 | "mov %0, r9" |
| 64 | : "=r"(ret) |
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| 65 | ); |
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| 2346 | kebrt | 66 | return (tcb_t *)(ret - ARM_TP_OFFSET - sizeof(tcb_t)); |
| 2128 | jermar | 67 | } |
| 68 | |||
| 69 | #endif |
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| 70 | |||
| 71 | /** @} |
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| 72 | */ |