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2 | pj | 1 | |
1063 | tullio | 2 | /* |
3 | * This program is free software; you can redistribute it and/or modify |
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4 | * it under the terms of the GNU General Public License as published by |
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5 | * the Free Software Foundation; either version 2 of the License, or |
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6 | * (at your option) any later version. |
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7 | * |
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8 | * This program is distributed in the hope that it will be useful, |
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9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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11 | * GNU General Public License for more details. |
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12 | * |
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13 | * You should have received a copy of the GNU General Public License |
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14 | * along with this program; if not, write to the Free Software |
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15 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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16 | * |
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17 | */ |
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18 | |||
2 | pj | 19 | #ifndef __GLUE_H |
20 | #define __GLUE_H |
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21 | |||
22 | #include <fs/glue.h> |
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23 | |||
24 | #include <fs/const.h> |
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25 | #include <fs/util.h> |
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26 | #include <fs/assert.h> |
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27 | #include <fs/maccess.h> |
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28 | #include <fs/irq.h> |
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29 | |||
30 | #include <kernel/model.h> |
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31 | #include <kernel/func.h> |
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32 | #include <kernel/assert.h> |
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33 | #include <kernel/int_sem.h> |
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34 | |||
35 | /* |
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36 | * mutex |
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37 | */ |
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38 | |||
39 | #include <kernel/int_sem.h> |
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1689 | fabio | 40 | #include <arch/sys/cdefs.h> |
2 | pj | 41 | |
80 | pj | 42 | __BEGIN_DECLS |
43 | |||
2 | pj | 44 | /*+ a semaphore object +*/ |
45 | typedef internal_sem_t __b_mutex_t; |
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46 | |||
47 | /* |
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48 | The following macros can be used to synchronize events; all |
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49 | require a pointer to a semaphore object and return nothing; |
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50 | a semaphore can have "val" resource free. |
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51 | */ |
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52 | |||
53 | /*+ Initialize a semaphore (to integer val) +*/ |
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54 | #define __b_mutex_init(ptr) internal_sem_init((ptr),1) |
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55 | |||
56 | /*+ Wait for a semaphore +*/ |
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57 | #define __b_mutex_lock(ptr) (internal_sem_wait(ptr)) |
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58 | |||
59 | /*+ Try to wait for a semaphore (return 0 on success) +*/ |
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60 | #define __b_mutex_trylock(ptr) (internal_sem_wait(ptr)) |
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61 | |||
62 | /*+ Signal a semaphore +*/ |
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63 | #define __b_mutex_unlock(ptr) (internal_sem_post(ptr)) |
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64 | |||
65 | #if 0 |
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66 | |||
67 | /*+ a mutex object +*/ |
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68 | typedef mutex_t __b_mutex_t; |
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69 | |||
70 | /* |
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71 | The following macros require a pointer to a mutex object and |
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72 | return nothing. |
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73 | */ |
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74 | |||
75 | extern void *bmutexattr; |
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76 | |||
77 | /* Initialize a mutex object */ |
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78 | #define __b_mutex_init(ptr) assertk(mutex_init(ptr,bmutexattr)==0) |
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79 | |||
80 | /*+ Lock a mutex object +*/ |
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81 | #define __b_mutex_lock(ptr) assertk(mutex_lock((ptr))==0) |
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82 | |||
83 | /*+ Try to lock a mutex (return 0 on success locking) +*/ |
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84 | #define __b_mutex_trylock(ptr) mutex_trylock((ptr)) |
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85 | |||
86 | /*+ Unlock a mutex +*/ |
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87 | #define __b_mutex_unlock(ptr) assertk(mutex_unlock(ptr)==0) |
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88 | |||
89 | #endif |
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90 | |||
91 | /* |
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92 | * fast mutex |
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93 | */ |
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94 | |||
95 | typedef SYS_FLAGS __b_fastmutex_t; |
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96 | |||
97 | /*+ Mutex initialization +*/ |
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98 | #define __b_fastmutex_init(ptr) |
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99 | |||
100 | /*+ Lock a mutex object +*/ |
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101 | #define __b_fastmutex_lock(ptr) *(ptr)=kern_fsave() |
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102 | |||
103 | /*+ Unlock a mutex +*/ |
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104 | #define __b_fastmutex_unlock(ptr) kern_frestore(*(ptr)) |
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105 | |||
106 | /* |
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107 | *semaphores |
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108 | */ |
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109 | |||
110 | /*+ a semaphore object +*/ |
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111 | typedef internal_sem_t __b_sem_t; |
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112 | |||
113 | /* |
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114 | The following macros can be used to synchronize events; all |
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115 | require a pointer to a semaphore object and return nothing; |
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116 | a semaphore can have "val" resource free. |
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117 | */ |
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118 | |||
119 | /*+ Initialize a semaphore (to integer val) +*/ |
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120 | #define __b_sem_init(ptr,val) internal_sem_init((ptr),(val)) |
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121 | |||
122 | /*+ Wait for a semaphore +*/ |
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123 | #define __b_sem_wait(ptr) internal_sem_wait(ptr) |
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124 | |||
125 | /*+ Try to wait for a semaphore (return 0 on success) +*/ |
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126 | #define __b_sem_trywait(ptr) internal_sem_trywait(ptr) |
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127 | |||
128 | /*+ Signal a semaphore +*/ |
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129 | #define __b_sem_signal(ptr) internal_sem_post(ptr) |
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130 | |||
131 | /* |
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132 | * |
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133 | */ |
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134 | |||
135 | #define panic(x) sys_panic(x) |
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136 | |||
137 | /* timer functions */ |
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138 | |||
1689 | fabio | 139 | #include <arch/time.h> |
2 | pj | 140 | |
141 | /* all in usec */ |
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142 | |||
143 | #define __gettimer() sys_gettime(NULL) |
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144 | |||
145 | /* I need an active delay! */ |
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146 | #define __delayk(delta) { \ |
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147 | TIME t=__gettimer()+delta; \ |
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148 | while (__gettimer()<t); \ |
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149 | } |
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150 | |||
80 | pj | 151 | __END_DECLS |
2 | pj | 152 | #endif |