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| 1 | /* |
1 | /* |
| - | 2 | * Copyright (c) 2007 Pavel Jancik |
|
| 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: |
| Line 28... | Line 29... | ||
| 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. |
| Line 70... | Line 69... | ||
| 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 ( |