1 | /* |
---|
2 | * COPYRIGHT (c) 1989-2009. |
---|
3 | * On-Line Applications Research Corporation (OAR). |
---|
4 | * |
---|
5 | * The license and distribution terms for this file may be |
---|
6 | * found in the file LICENSE in this distribution or at |
---|
7 | * http://www.rtems.com/license/LICENSE. |
---|
8 | */ |
---|
9 | |
---|
10 | #ifdef HAVE_CONFIG_H |
---|
11 | #include "config.h" |
---|
12 | #endif |
---|
13 | |
---|
14 | #include "tmacros.h" |
---|
15 | |
---|
16 | uint32_t Area1[50] CPU_STRUCTURE_ALIGNMENT; |
---|
17 | uint32_t Area2[50] CPU_STRUCTURE_ALIGNMENT; |
---|
18 | |
---|
19 | rtems_task Init( |
---|
20 | rtems_task_argument ignored |
---|
21 | ) |
---|
22 | { |
---|
23 | rtems_id region1; |
---|
24 | rtems_id region2; |
---|
25 | rtems_status_code sc; |
---|
26 | bool sb; |
---|
27 | Heap_Information_block start; |
---|
28 | Heap_Information_block info; |
---|
29 | size_t to_alloc; |
---|
30 | void *alloced; |
---|
31 | |
---|
32 | puts( "\n\n*** TEST 64 ***" ); |
---|
33 | |
---|
34 | puts( "Allocate one region -- so second auto extends" ); |
---|
35 | sc = rtems_region_create( |
---|
36 | rtems_build_name( 'R', 'N', '1', ' ' ), |
---|
37 | Area1, |
---|
38 | sizeof(Area1), |
---|
39 | 8, |
---|
40 | RTEMS_DEFAULT_ATTRIBUTES, |
---|
41 | ®ion1 |
---|
42 | ); |
---|
43 | directive_failed( sc, "rtems_region_create of RN1" ); |
---|
44 | |
---|
45 | puts( "Init - rtems_workspace_get_information - OK" ); |
---|
46 | sb = rtems_workspace_get_information( &start ); |
---|
47 | rtems_test_assert( sb ); |
---|
48 | |
---|
49 | #if 0 |
---|
50 | printf( "Init - workspace free = %d\n", start.Free.largest ); |
---|
51 | printf( "Init - workspace free blocks = %d\n", start.Free.number ); |
---|
52 | #endif |
---|
53 | rtems_test_assert( start.Free.number == 1 ); |
---|
54 | to_alloc = start.Free.largest; |
---|
55 | |
---|
56 | /* find the largest we can actually allocate */ |
---|
57 | while ( 1 ) { |
---|
58 | sb = rtems_workspace_allocate( to_alloc, &alloced ); |
---|
59 | if ( sb ) |
---|
60 | break; |
---|
61 | to_alloc -= 4; |
---|
62 | } |
---|
63 | |
---|
64 | rtems_workspace_free( alloced ); |
---|
65 | |
---|
66 | #if 0 |
---|
67 | printf( "Init - start with to_alloc of = %d\n", to_alloc ); |
---|
68 | #endif |
---|
69 | |
---|
70 | /* |
---|
71 | * Verify heap is still in same shape if we couldn't allocate a region |
---|
72 | */ |
---|
73 | sb = rtems_workspace_get_information( &info ); |
---|
74 | rtems_test_assert( sb ); |
---|
75 | rtems_test_assert( info.Free.largest == start.Free.largest ); |
---|
76 | rtems_test_assert( info.Free.number == start.Free.number ); |
---|
77 | |
---|
78 | puts( "Init - rtems_region_create - auto-extend - RTEMS_UNSATISFIED" ); |
---|
79 | while (1) { |
---|
80 | |
---|
81 | sb = rtems_workspace_allocate( to_alloc, &alloced ); |
---|
82 | rtems_test_assert( sb ); |
---|
83 | |
---|
84 | sc = rtems_region_create( |
---|
85 | rtems_build_name( 'R', 'N', '2', ' ' ), |
---|
86 | Area2, |
---|
87 | sizeof(Area2), |
---|
88 | 8, |
---|
89 | RTEMS_DEFAULT_ATTRIBUTES, |
---|
90 | ®ion2 |
---|
91 | ); |
---|
92 | |
---|
93 | /* free the memory we snagged, then check the status */ |
---|
94 | rtems_workspace_free( alloced ); |
---|
95 | |
---|
96 | if ( sc == RTEMS_SUCCESSFUL ) |
---|
97 | break; |
---|
98 | |
---|
99 | if ( sc != RTEMS_TOO_MANY ) { |
---|
100 | printf( "region create returned %d or %s\n", sc, rtems_status_text(sc) ); |
---|
101 | rtems_test_exit(0); |
---|
102 | } |
---|
103 | |
---|
104 | /* |
---|
105 | * Verify heap is still in same shape if we couldn't allocate a region |
---|
106 | */ |
---|
107 | sb = rtems_workspace_get_information( &info ); |
---|
108 | #if 0 |
---|
109 | printf( "Init - workspace free/blocks = %d/%d\n", |
---|
110 | info.Free.largest, info.Free.number ); |
---|
111 | #endif |
---|
112 | rtems_test_assert( sb ); |
---|
113 | rtems_test_assert( info.Free.largest == start.Free.largest ); |
---|
114 | rtems_test_assert( info.Free.number == start.Free.number ); |
---|
115 | |
---|
116 | to_alloc -= 8; |
---|
117 | if ( to_alloc == 0 ) |
---|
118 | break; |
---|
119 | } |
---|
120 | |
---|
121 | if ( sc ) |
---|
122 | rtems_test_exit(0); |
---|
123 | |
---|
124 | /* |
---|
125 | * Verify heap is still in same shape after we free the region |
---|
126 | */ |
---|
127 | puts( "Init - rtems_region_delete - OK" ); |
---|
128 | sc = rtems_region_delete( region2 ); |
---|
129 | rtems_test_assert( sc == 0 ); |
---|
130 | |
---|
131 | /* |
---|
132 | * Although it is intuitive that after deleting the region the |
---|
133 | * object space would shrink and go back to its original shape, |
---|
134 | * we could end up with fragmentation which prevents a simple |
---|
135 | * check from verifying this. |
---|
136 | */ |
---|
137 | #if 0 |
---|
138 | puts( "Init - verify workspace has same memory" ); |
---|
139 | sb = rtems_workspace_get_information( &info ); |
---|
140 | #if 0 |
---|
141 | printf( "Init - workspace free/blocks = %d/%d\n", |
---|
142 | info.Free.largest, info.Free.number ); |
---|
143 | #endif |
---|
144 | rtems_test_assert( sb ); |
---|
145 | rtems_test_assert( info.Free.largest == start.Free.largest ); |
---|
146 | rtems_test_assert( info.Free.number == start.Free.number ); |
---|
147 | #endif |
---|
148 | |
---|
149 | puts( "*** END OF TEST 64 ***" ); |
---|
150 | rtems_test_exit(0); |
---|
151 | } |
---|
152 | |
---|
153 | /* configuration information */ |
---|
154 | |
---|
155 | #define CONFIGURE_APPLICATION_NEEDS_CONSOLE_DRIVER |
---|
156 | #define CONFIGURE_APPLICATION_DOES_NOT_NEED_CLOCK_DRIVER |
---|
157 | |
---|
158 | #define CONFIGURE_MAXIMUM_TASKS 2 |
---|
159 | #define CONFIGURE_MAXIMUM_REGIONS rtems_resource_unlimited(1) |
---|
160 | #define CONFIGURE_RTEMS_INIT_TASKS_TABLE |
---|
161 | |
---|
162 | #define CONFIGURE_INIT |
---|
163 | #include <rtems/confdefs.h> |
---|
164 | |
---|
165 | /* global variables */ |
---|