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30 | #include <libc.h> |
30 | #include <libc.h> |
31 | #include <stdlib.h> |
31 | #include <stdlib.h> |
32 | #include <arch/faddr.h> |
32 | #include <arch/faddr.h> |
33 | #include <kernel/proc/uarg.h> |
33 | #include <kernel/proc/uarg.h> |
34 | #include <psthread.h> |
34 | #include <psthread.h> |
- | 35 | #include <string.h> |
|
35 | 36 | ||
36 | #include <stdio.h> |
37 | #include <stdio.h> |
- | 38 | ||
- | 39 | extern char _tdata_start; |
|
- | 40 | extern char _tdata_end; |
|
- | 41 | extern char _tbss_start; |
|
- | 42 | extern char _tbss_end; |
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- | 43 | ||
- | 44 | /** Create Thread Local storage area, return pointer to TCB(ThreadControlBlock) |
|
- | 45 | * |
|
- | 46 | * !! The code requires, that sections .tdata and .tbss are adjacent. |
|
- | 47 | * It may be changed in the future. |
|
- | 48 | */ |
|
37 | void * __make_tls(void) |
49 | tcb_t * __make_tls(void) |
38 | { |
50 | { |
- | 51 | void *data; |
|
39 | psthread_data_t *pt; |
52 | tcb_t *tcb; |
- | 53 | size_t tls_size = &_tbss_end - &_tdata_start; |
|
- | 54 | ||
- | 55 | tcb = __alloc_tls(&data, tls_size); |
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40 | 56 | ||
41 | pt = malloc(sizeof(psthread_data_t)); |
57 | memcpy(data, &_tdata_start, &_tdata_end - &_tdata_start); |
42 | pt->self = pt; |
58 | memset(data + (&_tbss_start-&_tdata_start), &_tbss_end-&_tbss_start, 0); |
43 | 59 | ||
44 | return pt; |
60 | return tcb; |
45 | } |
61 | } |
46 | 62 | ||
47 | void __free_tls(void *tls) |
63 | void __free_tls(tcb_t *tcb) |
48 | { |
64 | { |
- | 65 | size_t tls_size = &_tbss_end - &_tdata_start; |
|
49 | free(tls); |
66 | __free_tls_arch(tcb, tls_size); |
50 | } |
67 | } |
51 | 68 | ||
52 | /** Main thread function. |
69 | /** Main thread function. |
53 | * |
70 | * |
54 | * This function is called from __thread_entry() and is used |
71 | * This function is called from __thread_entry() and is used |
Line 58... | Line 75... | ||
58 | * |
75 | * |
59 | * @param uarg Pointer to userspace argument structure. |
76 | * @param uarg Pointer to userspace argument structure. |
60 | */ |
77 | */ |
61 | void __thread_main(uspace_arg_t *uarg) |
78 | void __thread_main(uspace_arg_t *uarg) |
62 | { |
79 | { |
- | 80 | tcb_t *tcb; |
|
63 | /* This should initialize the area according to TLS specicification */ |
81 | /* This should initialize the area according to TLS specicification */ |
64 | __tls_set(__make_tls()); |
82 | tcb = __make_tls(); |
- | 83 | __tcb_set(tcb); |
|
- | 84 | psthread_setup(tcb); |
|
65 | 85 | ||
66 | uarg->uspace_thread_function(uarg->uspace_thread_arg); |
86 | uarg->uspace_thread_function(uarg->uspace_thread_arg); |
67 | free(uarg->uspace_stack); |
87 | free(uarg->uspace_stack); |
68 | free(uarg); |
88 | free(uarg); |
69 | 89 | ||
- | 90 | psthread_teardown(tcb->pst_data); |
|
70 | __free_tls(__tls_get()); |
91 | __free_tls(tcb); |
71 | 92 | ||
72 | thread_exit(0); |
93 | thread_exit(0); |
73 | } |
94 | } |
74 | 95 | ||
75 | /** Create userspace thread. |
96 | /** Create userspace thread. |