Rev 3069 | Rev 3918 | Go to most recent revision | Details | Compare with Previous | Last modification | View Log | RSS feed
Rev | Author | Line No. | Line |
---|---|---|---|
86 | jermar | 1 | /* |
2071 | jermar | 2 | * Copyright (c) 2005 Jakub Vana |
3 | * Copyright (c) 2005 Jakub Jermar |
||
86 | jermar | 4 | * All rights reserved. |
5 | * |
||
6 | * Redistribution and use in source and binary forms, with or without |
||
7 | * modification, are permitted provided that the following conditions |
||
8 | * are met: |
||
9 | * |
||
10 | * - Redistributions of source code must retain the above copyright |
||
11 | * notice, this list of conditions and the following disclaimer. |
||
12 | * - Redistributions in binary form must reproduce the above copyright |
||
13 | * notice, this list of conditions and the following disclaimer in the |
||
14 | * documentation and/or other materials provided with the distribution. |
||
15 | * - The name of the author may not be used to endorse or promote products |
||
16 | * derived from this software without specific prior written permission. |
||
17 | * |
||
18 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
||
19 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
||
20 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
||
21 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
||
22 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
||
23 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
||
24 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
||
25 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
||
26 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
||
27 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
||
28 | */ |
||
84 | vana | 29 | |
30 | #include <print.h> |
||
31 | #include <debug.h> |
||
32 | |||
33 | #include <test.h> |
||
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 | |
2027 | decky | 41 | #define THREADS 150 |
1053 | vana | 42 | #define ATTEMPTS 100 |
91 | jermar | 43 | |
44 | #define E_10e8 271828182 |
||
45 | #define PI_10e8 314159265 |
||
46 | |||
1023 | vana | 47 | |
1882 | jermar | 48 | #ifdef KERN_ia32_ARCH_H_ |
2027 | decky | 49 | static inline double sqrt(double x) |
50 | { |
||
51 | double v; |
||
52 | |||
53 | asm ( |
||
54 | "fsqrt\n" |
||
55 | : "=t" (v) |
||
56 | : "0" (x) |
||
57 | ); |
||
58 | |||
59 | return v; |
||
60 | } |
||
1023 | vana | 61 | #endif |
91 | jermar | 62 | |
1882 | jermar | 63 | #ifdef KERN_amd64_ARCH_H_ |
2027 | decky | 64 | static inline double sqrt(double x) |
65 | { |
||
66 | double v; |
||
67 | |||
68 | asm ( |
||
69 | "fsqrt\n" |
||
70 | : "=t" (v) |
||
71 | : "0" (x) |
||
72 | ); |
||
73 | |||
74 | return v; |
||
75 | } |
||
1023 | vana | 76 | #endif |
77 | |||
1882 | jermar | 78 | #ifdef KERN_ia64_ARCH_H_ |
2027 | decky | 79 | |
80 | #undef PI_10e8 |
||
81 | #define PI_10e8 3141592 |
||
82 | |||
1023 | vana | 83 | static inline long double sqrt(long double a) |
84 | { |
||
85 | long double x = 1; |
||
86 | long double lx = 0; |
||
87 | |||
2027 | decky | 88 | if (a < 0.00000000000000001) |
89 | return 0; |
||
1023 | vana | 90 | |
2027 | decky | 91 | while(x != lx) { |
92 | lx = x; |
||
93 | x = (x + (a / x)) / 2; |
||
1023 | vana | 94 | } |
2027 | decky | 95 | |
1023 | vana | 96 | return x; |
97 | } |
||
98 | #endif |
||
99 | |||
100 | |||
483 | jermar | 101 | static atomic_t threads_ok; |
2027 | decky | 102 | static atomic_t threads_fault; |
91 | jermar | 103 | static waitq_t can_start; |
2051 | decky | 104 | static bool sh_quiet; |
91 | jermar | 105 | |
86 | jermar | 106 | static void e(void *data) |
84 | vana | 107 | { |
92 | jermar | 108 | int i; |
2051 | decky | 109 | double e, d, le, f; |
91 | jermar | 110 | |
1658 | vana | 111 | thread_detach(THREAD); |
112 | |||
91 | jermar | 113 | waitq_sleep(&can_start); |
114 | |||
92 | jermar | 115 | for (i = 0; i<ATTEMPTS; i++) { |
2027 | decky | 116 | le = -1; |
117 | e = 0; |
||
118 | f = 1; |
||
92 | jermar | 119 | |
2027 | decky | 120 | for (d = 1; e != le; d *= f, f += 1) { |
121 | le = e; |
||
122 | e = e + 1 / d; |
||
92 | jermar | 123 | } |
124 | |||
2027 | decky | 125 | if ((int) (100000000 * e) != E_10e8) { |
2051 | decky | 126 | if (!sh_quiet) |
3069 | decky | 127 | printf("tid%" PRIu64 ": e*10e8=%zd should be %" PRIun "\n", THREAD->tid, (unative_t) (100000000 * e), (unative_t) E_10e8); |
2027 | decky | 128 | atomic_inc(&threads_fault); |
129 | break; |
||
130 | } |
||
86 | jermar | 131 | } |
119 | jermar | 132 | atomic_inc(&threads_ok); |
84 | vana | 133 | } |
134 | |||
91 | jermar | 135 | static void pi(void *data) |
136 | { |
||
92 | jermar | 137 | int i; |
125 | jermar | 138 | double lpi, pi; |
139 | double n, ab, ad; |
||
1658 | vana | 140 | |
141 | thread_detach(THREAD); |
||
84 | vana | 142 | |
91 | jermar | 143 | waitq_sleep(&can_start); |
84 | vana | 144 | |
2027 | decky | 145 | for (i = 0; i < ATTEMPTS; i++) { |
92 | jermar | 146 | lpi = -1; |
147 | pi = 0; |
||
91 | jermar | 148 | |
2027 | decky | 149 | for (n = 2, ab = sqrt(2); lpi != pi; n *= 2, ab = ad) { |
125 | jermar | 150 | double sc, cd; |
92 | jermar | 151 | |
2027 | decky | 152 | sc = sqrt(1 - (ab * ab / 4)); |
125 | jermar | 153 | cd = 1 - sc; |
2027 | decky | 154 | ad = sqrt(ab * ab / 4 + cd * cd); |
125 | jermar | 155 | lpi = pi; |
156 | pi = 2 * n * ad; |
||
157 | } |
||
92 | jermar | 158 | |
1882 | jermar | 159 | #ifdef KERN_ia64_ARCH_H_ |
2027 | decky | 160 | if ((int) (1000000 * pi) != PI_10e8) { |
2051 | decky | 161 | if (!sh_quiet) |
3069 | decky | 162 | printf("tid%" PRIu64 ": pi*10e8=%zd should be %" PRIun "\n", THREAD->tid, (unative_t) (1000000 * pi), (unative_t) (PI_10e8 / 100)); |
2027 | decky | 163 | atomic_inc(&threads_fault); |
164 | break; |
||
165 | } |
||
1023 | vana | 166 | #else |
2027 | decky | 167 | if ((int) (100000000 * pi) != PI_10e8) { |
2051 | decky | 168 | if (!sh_quiet) |
3069 | decky | 169 | printf("tid%" PRIu64 ": pi*10e8=%zd should be %" PRIun "\n", THREAD->tid, (unative_t) (100000000 * pi), (unative_t) PI_10e8); |
2027 | decky | 170 | atomic_inc(&threads_fault); |
171 | break; |
||
172 | } |
||
1023 | vana | 173 | #endif |
91 | jermar | 174 | } |
119 | jermar | 175 | atomic_inc(&threads_ok); |
91 | jermar | 176 | } |
177 | |||
2050 | decky | 178 | char * test_fpu1(bool quiet) |
84 | vana | 179 | { |
2027 | decky | 180 | unsigned int i, total = 0; |
2051 | decky | 181 | sh_quiet = quiet; |
84 | vana | 182 | |
91 | jermar | 183 | waitq_initialize(&can_start); |
2027 | decky | 184 | atomic_set(&threads_ok, 0); |
185 | atomic_set(&threads_fault, 0); |
||
2051 | decky | 186 | |
187 | if (!quiet) |
||
3069 | decky | 188 | printf("Creating %u threads... ", 2 * THREADS); |
91 | jermar | 189 | |
2027 | decky | 190 | for (i = 0; i < THREADS; i++) { |
191 | thread_t *t; |
||
192 | |||
2042 | decky | 193 | if (!(t = thread_create(e, NULL, TASK, 0, "e", false))) { |
2051 | decky | 194 | if (!quiet) |
3069 | decky | 195 | printf("could not create thread %u\n", 2 * i); |
2027 | decky | 196 | break; |
197 | } |
||
86 | jermar | 198 | thread_ready(t); |
2027 | decky | 199 | total++; |
200 | |||
2042 | decky | 201 | if (!(t = thread_create(pi, NULL, TASK, 0, "pi", false))) { |
2051 | decky | 202 | if (!quiet) |
3069 | decky | 203 | printf("could not create thread %u\n", 2 * i + 1); |
2027 | decky | 204 | break; |
205 | } |
||
91 | jermar | 206 | thread_ready(t); |
2027 | decky | 207 | total++; |
86 | jermar | 208 | } |
90 | vana | 209 | |
2051 | decky | 210 | if (!quiet) |
211 | printf("ok\n"); |
||
212 | |||
91 | jermar | 213 | thread_sleep(1); |
214 | waitq_wakeup(&can_start, WAKEUP_ALL); |
||
2027 | decky | 215 | |
2745 | decky | 216 | while (atomic_get(&threads_ok) != (long) total) { |
2051 | decky | 217 | if (!quiet) |
218 | printf("Threads left: %d\n", total - atomic_get(&threads_ok)); |
||
2027 | decky | 219 | thread_sleep(1); |
220 | } |
||
221 | |||
222 | if (atomic_get(&threads_fault) == 0) |
||
223 | return NULL; |
||
224 | |||
225 | return "Test failed"; |
||
84 | vana | 226 | } |