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Rev | Author | Line No. | Line |
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86 | jermar | 1 | /* |
2071 | jermar | 2 | * Copyright (c) 2005 Jakub Vana |
3 | * Copyright (c) 2005 Jakub Jermar |
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86 | jermar | 4 | * All rights reserved. |
5 | * |
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6 | * Redistribution and use in source and binary forms, with or without |
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7 | * modification, are permitted provided that the following conditions |
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8 | * are met: |
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9 | * |
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10 | * - Redistributions of source code must retain the above copyright |
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11 | * notice, this list of conditions and the following disclaimer. |
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12 | * - Redistributions in binary form must reproduce the above copyright |
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13 | * notice, this list of conditions and the following disclaimer in the |
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14 | * documentation and/or other materials provided with the distribution. |
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15 | * - The name of the author may not be used to endorse or promote products |
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16 | * derived from this software without specific prior written permission. |
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17 | * |
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18 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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19 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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20 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
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21 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
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22 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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23 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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24 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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25 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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26 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
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27 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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28 | */ |
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84 | vana | 29 | |
30 | #include <print.h> |
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31 | #include <debug.h> |
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32 | |||
33 | #include <test.h> |
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1104 | jermar | 34 | #include <atomic.h> |
84 | vana | 35 | #include <proc/thread.h> |
36 | |||
94 | jermar | 37 | #include <arch.h> |
1023 | vana | 38 | #include <arch/arch.h> |
94 | jermar | 39 | |
2020 | decky | 40 | |
3918 | decky | 41 | #define THREADS 150 |
42 | #define ATTEMPTS 100 |
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91 | jermar | 43 | |
3918 | decky | 44 | #define E_10e8 271828182 |
45 | #define PI_10e8 314159265 |
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91 | jermar | 46 | |
2027 | decky | 47 | static inline double sqrt(double x) |
48 | { |
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49 | double v; |
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50 | |||
51 | asm ( |
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52 | "fsqrt\n" |
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53 | : "=t" (v) |
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54 | : "0" (x) |
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55 | ); |
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56 | |||
57 | return v; |
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58 | } |
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1023 | vana | 59 | |
483 | jermar | 60 | static atomic_t threads_ok; |
2027 | decky | 61 | static atomic_t threads_fault; |
91 | jermar | 62 | static waitq_t can_start; |
63 | |||
86 | jermar | 64 | static void e(void *data) |
84 | vana | 65 | { |
92 | jermar | 66 | int i; |
2051 | decky | 67 | double e, d, le, f; |
3918 | decky | 68 | |
1658 | vana | 69 | thread_detach(THREAD); |
3918 | decky | 70 | |
91 | jermar | 71 | waitq_sleep(&can_start); |
3918 | decky | 72 | |
92 | jermar | 73 | for (i = 0; i<ATTEMPTS; i++) { |
2027 | decky | 74 | le = -1; |
75 | e = 0; |
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76 | f = 1; |
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3918 | decky | 77 | |
2027 | decky | 78 | for (d = 1; e != le; d *= f, f += 1) { |
79 | le = e; |
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80 | e = e + 1 / d; |
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92 | jermar | 81 | } |
3918 | decky | 82 | |
2027 | decky | 83 | if ((int) (100000000 * e) != E_10e8) { |
4227 | decky | 84 | TPRINTF("tid%" PRIu64 ": e*10e8=%zd should be %" PRIun "\n", THREAD->tid, (unative_t) (100000000 * e), (unative_t) E_10e8); |
2027 | decky | 85 | atomic_inc(&threads_fault); |
86 | break; |
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87 | } |
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86 | jermar | 88 | } |
119 | jermar | 89 | atomic_inc(&threads_ok); |
84 | vana | 90 | } |
91 | |||
91 | jermar | 92 | static void pi(void *data) |
93 | { |
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92 | jermar | 94 | int i; |
125 | jermar | 95 | double lpi, pi; |
96 | double n, ab, ad; |
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1658 | vana | 97 | |
98 | thread_detach(THREAD); |
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3918 | decky | 99 | |
91 | jermar | 100 | waitq_sleep(&can_start); |
3918 | decky | 101 | |
2027 | decky | 102 | for (i = 0; i < ATTEMPTS; i++) { |
92 | jermar | 103 | lpi = -1; |
104 | pi = 0; |
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3918 | decky | 105 | |
2027 | decky | 106 | for (n = 2, ab = sqrt(2); lpi != pi; n *= 2, ab = ad) { |
125 | jermar | 107 | double sc, cd; |
3918 | decky | 108 | |
2027 | decky | 109 | sc = sqrt(1 - (ab * ab / 4)); |
125 | jermar | 110 | cd = 1 - sc; |
2027 | decky | 111 | ad = sqrt(ab * ab / 4 + cd * cd); |
125 | jermar | 112 | lpi = pi; |
113 | pi = 2 * n * ad; |
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114 | } |
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3918 | decky | 115 | |
2027 | decky | 116 | if ((int) (100000000 * pi) != PI_10e8) { |
4227 | decky | 117 | TPRINTF("tid%" PRIu64 ": pi*10e8=%zd should be %" PRIun "\n", THREAD->tid, (unative_t) (100000000 * pi), (unative_t) PI_10e8); |
2027 | decky | 118 | atomic_inc(&threads_fault); |
119 | break; |
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120 | } |
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91 | jermar | 121 | } |
119 | jermar | 122 | atomic_inc(&threads_ok); |
91 | jermar | 123 | } |
124 | |||
4227 | decky | 125 | char *test_fpu1(void) |
84 | vana | 126 | { |
2027 | decky | 127 | unsigned int i, total = 0; |
3918 | decky | 128 | |
91 | jermar | 129 | waitq_initialize(&can_start); |
2027 | decky | 130 | atomic_set(&threads_ok, 0); |
131 | atomic_set(&threads_fault, 0); |
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2051 | decky | 132 | |
4227 | decky | 133 | TPRINTF("Creating %u threads... ", 2 * THREADS); |
3918 | decky | 134 | |
4227 | decky | 135 | for (i = 0; i < THREADS; i++) { |
2027 | decky | 136 | thread_t *t; |
137 | |||
2042 | decky | 138 | if (!(t = thread_create(e, NULL, TASK, 0, "e", false))) { |
4227 | decky | 139 | TPRINTF("could not create thread %u\n", 2 * i); |
2027 | decky | 140 | break; |
141 | } |
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86 | jermar | 142 | thread_ready(t); |
2027 | decky | 143 | total++; |
144 | |||
2042 | decky | 145 | if (!(t = thread_create(pi, NULL, TASK, 0, "pi", false))) { |
4227 | decky | 146 | TPRINTF("could not create thread %u\n", 2 * i + 1); |
2027 | decky | 147 | break; |
148 | } |
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91 | jermar | 149 | thread_ready(t); |
2027 | decky | 150 | total++; |
86 | jermar | 151 | } |
90 | vana | 152 | |
4227 | decky | 153 | TPRINTF("ok\n"); |
2051 | decky | 154 | |
91 | jermar | 155 | thread_sleep(1); |
156 | waitq_wakeup(&can_start, WAKEUP_ALL); |
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2027 | decky | 157 | |
2745 | decky | 158 | while (atomic_get(&threads_ok) != (long) total) { |
4227 | decky | 159 | TPRINTF("Threads left: %d\n", total - atomic_get(&threads_ok)); |
2027 | decky | 160 | thread_sleep(1); |
161 | } |
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162 | |||
163 | if (atomic_get(&threads_fault) == 0) |
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164 | return NULL; |
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165 | |||
166 | return "Test failed"; |
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84 | vana | 167 | } |