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1 | /* |
1 | /* |
2 | * Copyright (C) 2005 Jakub Vana |
2 | * Copyright (C) 2005 Jakub Vana |
3 | * Copyright (C) 2005 Jakub Jermar |
3 | * Copyright (C) 2005 Jakub Jermar |
4 | * All rights reserved. |
4 | * All rights reserved. |
5 | * |
5 | * |
6 | * Redistribution and use in source and binary forms, with or without |
6 | * Redistribution and use in source and binary forms, with or without |
7 | * modification, are permitted provided that the following conditions |
7 | * modification, are permitted provided that the following conditions |
8 | * are met: |
8 | * are met: |
9 | * |
9 | * |
10 | * - Redistributions of source code must retain the above copyright |
10 | * - Redistributions of source code must retain the above copyright |
11 | * notice, this list of conditions and the following disclaimer. |
11 | * notice, this list of conditions and the following disclaimer. |
12 | * - Redistributions in binary form must reproduce the above copyright |
12 | * - Redistributions in binary form must reproduce the above copyright |
13 | * notice, this list of conditions and the following disclaimer in the |
13 | * notice, this list of conditions and the following disclaimer in the |
14 | * documentation and/or other materials provided with the distribution. |
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 |
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. |
16 | * derived from this software without specific prior written permission. |
17 | * |
17 | * |
18 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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 |
19 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
20 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
20 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
21 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
21 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
22 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
22 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
23 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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 |
24 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
25 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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 |
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. |
27 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
28 | */ |
28 | */ |
29 | 29 | ||
30 | #include <arch/interrupt.h> |
30 | #include <arch/interrupt.h> |
31 | #include <print.h> |
31 | #include <print.h> |
32 | #include <debug.h> |
32 | #include <debug.h> |
33 | #include <panic.h> |
33 | #include <panic.h> |
34 | #include <arch/i8259.h> |
34 | #include <arch/i8259.h> |
35 | #include <func.h> |
35 | #include <func.h> |
36 | #include <cpu.h> |
36 | #include <cpu.h> |
37 | #include <arch/asm.h> |
37 | #include <arch/asm.h> |
38 | #include <mm/tlb.h> |
38 | #include <mm/tlb.h> |
39 | 39 | ||
40 | #include <test.h> |
40 | #include <test.h> |
41 | #include <arch.h> |
41 | #include <arch.h> |
42 | #include <arch/smp/atomic.h> |
42 | #include <arch/smp/atomic.h> |
43 | #include <proc/thread.h> |
43 | #include <proc/thread.h> |
44 | 44 | ||
45 | #define THREADS 150*2 |
45 | #define THREADS 150*2 |
- | 46 | #define ATTEMPTS 10 |
|
46 | 47 | ||
47 | #define E_10e8 271828182 |
48 | #define E_10e8 271828182 |
48 | #define PI_10e8 314159265 |
49 | #define PI_10e8 314159265 |
49 | 50 | ||
50 | static inline double sqrt(double x) { double v; __asm__ ("fsqrt\n" : "=t" (v) : "0" (x)); return v; } |
51 | static inline double sqrt(double x) { double v; __asm__ ("fsqrt\n" : "=t" (v) : "0" (x)); return v; } |
51 | 52 | ||
52 | static volatile int threads_ok; |
53 | static volatile int threads_ok; |
53 | static waitq_t can_start; |
54 | static waitq_t can_start; |
54 | 55 | ||
55 | static void e(void *data) |
56 | static void e(void *data) |
56 | { |
57 | { |
- | 58 | int i; |
|
57 | double e,d,le,f; |
59 | double e,d,le,f; |
58 | le=-1; |
- | |
59 | e=0; |
- | |
60 | f=1; |
- | |
61 | 60 | ||
62 | waitq_sleep(&can_start); |
61 | waitq_sleep(&can_start); |
63 | 62 | ||
- | 63 | for (i = 0; i<ATTEMPTS; i++) { |
|
- | 64 | le=-1; |
|
- | 65 | e=0; |
|
- | 66 | f=1; |
|
- | 67 | ||
64 | for(d=1;e!=le;d*=f,f+=1) { |
68 | for(d=1;e!=le;d*=f,f+=1) { |
65 | le=e; |
69 | le=e; |
66 | e=e+1/d; |
70 | e=e+1/d; |
67 | } |
71 | } |
68 | 72 | ||
69 | if((int)(100000000*e)==E_10e8) { |
73 | if((int)(100000000*e)!=E_10e8) |
70 | atomic_inc((int *) &threads_ok); |
74 | panic("tid%d: e*10e8=%d\n", THREAD->tid, (int) 100000000*e); |
71 | } |
75 | } |
72 | else |
76 | |
73 | printf("tid%d: e*10e8=%d)\n", THREAD->tid, (int) 100000000*e); |
77 | atomic_inc((int *) &threads_ok); |
74 | } |
78 | } |
75 | 79 | ||
76 | static void pi(void *data) |
80 | static void pi(void *data) |
77 | { |
81 | { |
- | 82 | int i; |
|
78 | double lpi = -1, pi = 0; |
83 | double lpi, pi; |
79 | double ab, ad; |
84 | double n, ab, ad; |
80 | int n; |
- | |
81 | 85 | ||
82 | waitq_sleep(&can_start); |
86 | waitq_sleep(&can_start); |
83 | 87 | ||
84 | for (n=2, ab = sqrt(2); lpi != pi; n *= 2, ab = ad) { |
- | |
85 | double sc, cd; |
- | |
86 | 88 | ||
- | 89 | for (i = 0; i<ATTEMPTS; i++) { |
|
- | 90 | lpi = -1; |
|
- | 91 | pi = 0; |
|
- | 92 | ||
- | 93 | for (n=2, ab = sqrt(2); lpi != pi; n *= 2, ab = ad) { |
|
- | 94 | double sc, cd; |
|
- | 95 | ||
87 | sc = sqrt(1 - (ab*ab/4)); |
96 | sc = sqrt(1 - (ab*ab/4)); |
88 | cd = 1 - sc; |
97 | cd = 1 - sc; |
89 | ad = sqrt(ab*ab/4 + cd*cd); |
98 | ad = sqrt(ab*ab/4 + cd*cd); |
90 | lpi = pi; |
99 | lpi = pi; |
91 | pi = 2 * n * ad; |
100 | pi = 2 * n * ad; |
92 | } |
101 | } |
93 | 102 | ||
94 | if((int)(100000000*pi)==PI_10e8) { |
103 | if((int)(100000000*pi)!=PI_10e8) |
95 | atomic_inc((int *) &threads_ok); |
104 | panic("tid%d: pi*10e8=%d\n", THREAD->tid, (int) 100000000*pi); |
96 | } |
105 | } |
97 | else |
106 | |
98 | printf("tid%d: pi*10e8=%d)\n", THREAD->tid, (int) 100000000*pi); |
107 | atomic_inc((int *) &threads_ok); |
99 | } |
108 | } |
100 | 109 | ||
101 | 110 | ||
102 | void test(void) |
111 | void test(void) |
103 | { |
112 | { |
104 | thread_t *t; |
113 | thread_t *t; |
105 | int i; |
114 | int i; |
106 | 115 | ||
107 | waitq_initialize(&can_start); |
116 | waitq_initialize(&can_start); |
108 | 117 | ||
109 | printf("FPU test #1\n"); |
118 | printf("FPU test #1\n"); |
110 | printf("Creating %d threads... ", THREADS); |
119 | printf("Creating %d threads... ", THREADS); |
111 | 120 | ||
112 | for (i=0; i<THREADS/2; i++) { |
121 | for (i=0; i<THREADS/2; i++) { |
113 | if (!(t = thread_create(e, NULL, TASK, 0))) |
122 | if (!(t = thread_create(e, NULL, TASK, 0))) |
114 | panic("could not create thread\n"); |
123 | panic("could not create thread\n"); |
115 | thread_ready(t); |
124 | thread_ready(t); |
116 | if (!(t = thread_create(pi, NULL, TASK, 0))) |
125 | if (!(t = thread_create(pi, NULL, TASK, 0))) |
117 | panic("could not create thread\n"); |
126 | panic("could not create thread\n"); |
118 | thread_ready(t); |
127 | thread_ready(t); |
119 | } |
128 | } |
120 | printf("ok\n"); |
129 | printf("ok\n"); |
121 | 130 | ||
122 | thread_sleep(1); |
131 | thread_sleep(1); |
123 | waitq_wakeup(&can_start, WAKEUP_ALL); |
132 | waitq_wakeup(&can_start, WAKEUP_ALL); |
124 | 133 | ||
125 | while (threads_ok != THREADS) |
134 | while (threads_ok != THREADS) |
126 | ; |
135 | ; |
127 | 136 | ||
128 | printf("Test passed.\n"); |
137 | printf("Test passed.\n"); |
129 | } |
138 | } |
130 | 139 |