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1 | /* |
1 | /* |
- | 2 | * Copyright (c) 2007 Pavel Jancik |
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2 | * Copyright (c) 2007 Pavel Jancik, Michal Kebrt |
3 | * Copyright (c) 2007 Michal Kebrt |
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: |
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28 | 29 | ||
29 | /** @addtogroup libcarm32 |
30 | /** @addtogroup libcarm32 |
30 | * @{ |
31 | * @{ |
31 | */ |
32 | */ |
32 | /** @file |
33 | /** @file |
33 | * @brief Uspace threads and TLS. |
- | |
34 | */ |
34 | */ |
35 | 35 | ||
36 | #ifndef LIBC_arm32_THREAD_H_ |
36 | #ifndef LIBC_arm32_TLS_H_ |
37 | #define LIBC_arm32_THREAD_H_ |
37 | #define LIBC_arm32_TLS_H_ |
38 | 38 | ||
39 | #include <unistd.h> |
39 | #include <sys/types.h> |
40 | 40 | ||
41 | /** Stack initial size. */ |
- | |
42 | #define THREAD_INITIAL_STACK_PAGES_NO 1 |
41 | #define CONFIG_TLS_VARIANT_1 |
43 | 42 | ||
44 | /** Offsets for accessing __thread variables are shifted 8 bytes higher. */ |
43 | /** Offsets for accessing __thread variables are shifted 8 bytes higher. */ |
45 | #define ARM_TP_OFFSET (-8) |
44 | #define ARM_TP_OFFSET (-8) |
46 | 45 | ||
47 | /** TCB (Thread Control Block) struct. |
46 | /** TCB (Thread Control Block) struct. |
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70 | } |
69 | } |
71 | 70 | ||
72 | 71 | ||
73 | /** Returns TCB address. |
72 | /** Returns TCB address. |
74 | * |
73 | * |
75 | * @return TCB address (starts before TLS which address is stored in r9 register). |
74 | * @return TCB address (starts before TLS which address is stored |
- | 75 | * in r9 register). |
|
76 | */ |
76 | */ |
77 | static inline tcb_t *__tcb_get(void) |
77 | static inline tcb_t *__tcb_get(void) |
78 | { |
78 | { |
79 | void *ret; |
79 | void *ret; |
80 | asm volatile ( |
80 | asm volatile ( |