Mercurial > flash_v2
annotate packages/hal/common/current/tests/cache.c @ 10:d3fbcdfa1b2f ecos-sw-1999-05-29
Merge from eCos master repository on 1999-05-29-00:13:11-BST
| author | jlarmour |
|---|---|
| date | Fri, 28 May 1999 16:43:09 +0000 |
| parents | 443894e2e912 |
| children | 5f5102441818 |
| rev | line source |
|---|---|
| 0 | 1 /*================================================================= |
| 2 // | |
| 3 // cache.c | |
| 4 // | |
| 5 // HAL Cache timing test | |
| 6 // | |
| 7 //========================================================================== | |
| 8 //####COPYRIGHTBEGIN#### | |
| 9 // | |
| 10 // ------------------------------------------- | |
| 11 // The contents of this file are subject to the Cygnus eCos Public License | |
| 12 // Version 1.0 (the "License"); you may not use this file except in | |
| 13 // compliance with the License. You may obtain a copy of the License at | |
| 14 // http://sourceware.cygnus.com/ecos | |
| 15 // | |
| 16 // Software distributed under the License is distributed on an "AS IS" | |
| 17 // basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the | |
| 18 // License for the specific language governing rights and limitations under | |
| 19 // the License. | |
| 20 // | |
| 21 // The Original Code is eCos - Embedded Cygnus Operating System, released | |
| 22 // September 30, 1998. | |
| 23 // | |
| 24 // The Initial Developer of the Original Code is Cygnus. Portions created | |
| 2 | 25 // by Cygnus are Copyright (C) 1998,1999 Cygnus Solutions. All Rights Reserved. |
| 0 | 26 // ------------------------------------------- |
| 27 // | |
| 28 //####COPYRIGHTEND#### | |
| 29 //========================================================================== | |
| 30 //#####DESCRIPTIONBEGIN#### | |
| 31 // | |
| 32 // Author(s): dsm | |
| 33 // Contributors: dsm, nickg | |
| 34 // Date: 1998-06-18 | |
| 35 //####DESCRIPTIONEND#### | |
| 36 */ | |
| 37 | |
| 38 #include <pkgconf/hal.h> | |
| 39 | |
| 40 #include <cyg/infra/testcase.h> | |
| 41 | |
| 42 #include <cyg/hal/hal_cache.h> | |
| 2 | 43 #include <cyg/hal/hal_intr.h> |
| 44 | |
| 45 // ------------------------------------------------------------------------- | |
| 46 // If the HAL does not supply this, we supply our own version | |
| 47 | |
|
10
d3fbcdfa1b2f
Merge from eCos master repository on 1999-05-29-00:13:11-BST
jlarmour
parents:
2
diff
changeset
|
48 #ifdef HAL_DCACHE_SYNC |
|
d3fbcdfa1b2f
Merge from eCos master repository on 1999-05-29-00:13:11-BST
jlarmour
parents:
2
diff
changeset
|
49 |
|
d3fbcdfa1b2f
Merge from eCos master repository on 1999-05-29-00:13:11-BST
jlarmour
parents:
2
diff
changeset
|
50 # define HAL_DCACHE_PURGE_ALL() HAL_DCACHE_SYNC() |
|
d3fbcdfa1b2f
Merge from eCos master repository on 1999-05-29-00:13:11-BST
jlarmour
parents:
2
diff
changeset
|
51 |
|
d3fbcdfa1b2f
Merge from eCos master repository on 1999-05-29-00:13:11-BST
jlarmour
parents:
2
diff
changeset
|
52 #else |
| 2 | 53 |
| 54 static cyg_uint8 dca[HAL_DCACHE_SIZE + HAL_DCACHE_LINE_SIZE*2]; | |
| 55 | |
| 56 #define HAL_DCACHE_PURGE_ALL() \ | |
| 57 CYG_MACRO_START \ | |
| 58 volatile cyg_uint8 *addr = &dca[HAL_DCACHE_LINE_SIZE]; \ | |
| 59 volatile cyg_uint8 tmp = 0; \ | |
| 60 int i; \ | |
| 61 for( i = 0; i < HAL_DCACHE_SIZE; i += HAL_DCACHE_LINE_SIZE ) \ | |
| 62 { \ | |
| 63 tmp = addr[i]; \ | |
| 64 } \ | |
| 65 CYG_MACRO_END | |
| 66 | |
| 67 #endif | |
| 0 | 68 |
| 69 // ------------------------------------------------------------------------- | |
| 70 | |
| 71 #define MAXSIZE 1<<18 | |
| 72 | |
| 73 volatile char m[MAXSIZE]; | |
| 74 | |
| 2 | 75 #ifndef MAX_STRIDE |
| 76 #define MAX_STRIDE 64 | |
| 77 #endif | |
| 78 | |
| 0 | 79 // ------------------------------------------------------------------------- |
| 80 | |
| 81 static void time0(register cyg_uint32 stride) | |
| 82 { | |
| 83 register cyg_uint32 j,k; | |
| 84 // cyg_tick_count_t count0, count1; | |
| 85 // cyg_ucount32 t; | |
| 86 register char c; | |
| 87 | |
| 88 // count0 = current_time(); | |
| 2 | 89 k = 0; |
| 90 if ( cyg_test_is_simulator ) | |
| 91 k = 3960; | |
| 0 | 92 |
| 2 | 93 for(; k<4000;k++) { |
| 0 | 94 for(j=0; j<(HAL_DCACHE_SIZE/HAL_DCACHE_LINE_SIZE); j++) { |
| 95 c=m[stride*j]; | |
| 96 } | |
| 97 } | |
| 98 | |
| 99 // count1 = current_time(); | |
| 100 // t = count1 - count0; | |
| 101 // diag_printf("stride=%d, time=%d\n", stride, t); | |
| 102 } | |
| 103 | |
| 104 // ------------------------------------------------------------------------- | |
| 105 | |
| 106 void time1(void) | |
| 107 { | |
| 108 cyg_uint32 i; | |
| 109 | |
| 2 | 110 for(i=1; i<=MAX_STRIDE; i+=i) { |
| 0 | 111 time0(i); |
| 112 } | |
| 113 } | |
| 114 | |
| 115 // ------------------------------------------------------------------------- | |
| 116 // This test could be improved by counting number of passes possible | |
| 117 // in a given number of ticks. | |
| 118 | |
| 119 static void entry0( void ) | |
| 120 { | |
| 2 | 121 register CYG_INTERRUPT_STATE oldints; |
| 122 | |
|
10
d3fbcdfa1b2f
Merge from eCos master repository on 1999-05-29-00:13:11-BST
jlarmour
parents:
2
diff
changeset
|
123 #ifdef HAL_CACHE_UNIFIED |
|
d3fbcdfa1b2f
Merge from eCos master repository on 1999-05-29-00:13:11-BST
jlarmour
parents:
2
diff
changeset
|
124 |
|
d3fbcdfa1b2f
Merge from eCos master repository on 1999-05-29-00:13:11-BST
jlarmour
parents:
2
diff
changeset
|
125 HAL_DISABLE_INTERRUPTS(oldints); |
|
d3fbcdfa1b2f
Merge from eCos master repository on 1999-05-29-00:13:11-BST
jlarmour
parents:
2
diff
changeset
|
126 HAL_DCACHE_PURGE_ALL(); // rely on above definition |
|
d3fbcdfa1b2f
Merge from eCos master repository on 1999-05-29-00:13:11-BST
jlarmour
parents:
2
diff
changeset
|
127 HAL_UCACHE_INVALIDATE_ALL(); |
|
d3fbcdfa1b2f
Merge from eCos master repository on 1999-05-29-00:13:11-BST
jlarmour
parents:
2
diff
changeset
|
128 HAL_UCACHE_DISABLE(); |
|
d3fbcdfa1b2f
Merge from eCos master repository on 1999-05-29-00:13:11-BST
jlarmour
parents:
2
diff
changeset
|
129 HAL_RESTORE_INTERRUPTS(oldints); |
|
d3fbcdfa1b2f
Merge from eCos master repository on 1999-05-29-00:13:11-BST
jlarmour
parents:
2
diff
changeset
|
130 CYG_TEST_INFO("Cache off"); |
|
d3fbcdfa1b2f
Merge from eCos master repository on 1999-05-29-00:13:11-BST
jlarmour
parents:
2
diff
changeset
|
131 time1(); |
|
d3fbcdfa1b2f
Merge from eCos master repository on 1999-05-29-00:13:11-BST
jlarmour
parents:
2
diff
changeset
|
132 |
|
d3fbcdfa1b2f
Merge from eCos master repository on 1999-05-29-00:13:11-BST
jlarmour
parents:
2
diff
changeset
|
133 HAL_DISABLE_INTERRUPTS(oldints); |
|
d3fbcdfa1b2f
Merge from eCos master repository on 1999-05-29-00:13:11-BST
jlarmour
parents:
2
diff
changeset
|
134 HAL_DCACHE_PURGE_ALL(); // rely on above definition |
|
d3fbcdfa1b2f
Merge from eCos master repository on 1999-05-29-00:13:11-BST
jlarmour
parents:
2
diff
changeset
|
135 HAL_UCACHE_INVALIDATE_ALL(); |
|
d3fbcdfa1b2f
Merge from eCos master repository on 1999-05-29-00:13:11-BST
jlarmour
parents:
2
diff
changeset
|
136 HAL_UCACHE_ENABLE(); |
|
d3fbcdfa1b2f
Merge from eCos master repository on 1999-05-29-00:13:11-BST
jlarmour
parents:
2
diff
changeset
|
137 HAL_RESTORE_INTERRUPTS(oldints); |
|
d3fbcdfa1b2f
Merge from eCos master repository on 1999-05-29-00:13:11-BST
jlarmour
parents:
2
diff
changeset
|
138 CYG_TEST_INFO("Cache on"); |
|
d3fbcdfa1b2f
Merge from eCos master repository on 1999-05-29-00:13:11-BST
jlarmour
parents:
2
diff
changeset
|
139 time1(); |
|
d3fbcdfa1b2f
Merge from eCos master repository on 1999-05-29-00:13:11-BST
jlarmour
parents:
2
diff
changeset
|
140 |
|
d3fbcdfa1b2f
Merge from eCos master repository on 1999-05-29-00:13:11-BST
jlarmour
parents:
2
diff
changeset
|
141 #else // HAL_CACHE_UNIFIED |
|
d3fbcdfa1b2f
Merge from eCos master repository on 1999-05-29-00:13:11-BST
jlarmour
parents:
2
diff
changeset
|
142 |
| 2 | 143 HAL_DISABLE_INTERRUPTS(oldints); |
| 144 HAL_DCACHE_PURGE_ALL(); | |
| 0 | 145 HAL_ICACHE_INVALIDATE_ALL(); |
| 146 HAL_DCACHE_INVALIDATE_ALL(); | |
| 147 HAL_ICACHE_DISABLE(); | |
| 148 HAL_DCACHE_DISABLE(); | |
| 2 | 149 HAL_RESTORE_INTERRUPTS(oldints); |
| 0 | 150 CYG_TEST_INFO("Dcache off Icache off"); |
| 151 time1(); | |
| 152 | |
| 2 | 153 HAL_DISABLE_INTERRUPTS(oldints); |
| 154 HAL_DCACHE_PURGE_ALL(); | |
| 0 | 155 HAL_ICACHE_INVALIDATE_ALL(); |
| 156 HAL_DCACHE_INVALIDATE_ALL(); | |
| 157 HAL_ICACHE_DISABLE(); | |
| 158 HAL_DCACHE_ENABLE(); | |
| 2 | 159 HAL_RESTORE_INTERRUPTS(oldints); |
| 0 | 160 CYG_TEST_INFO("Dcache on Icache off"); |
| 161 time1(); | |
| 162 | |
| 2 | 163 HAL_DISABLE_INTERRUPTS(oldints); |
| 164 HAL_DCACHE_PURGE_ALL(); | |
| 0 | 165 HAL_ICACHE_INVALIDATE_ALL(); |
| 166 HAL_DCACHE_INVALIDATE_ALL(); | |
| 167 HAL_ICACHE_ENABLE(); | |
| 168 HAL_DCACHE_DISABLE(); | |
| 2 | 169 HAL_RESTORE_INTERRUPTS(oldints); |
| 0 | 170 CYG_TEST_INFO("Dcache off Icache on"); |
| 171 time1(); | |
| 172 | |
| 2 | 173 HAL_DISABLE_INTERRUPTS(oldints); |
| 174 HAL_DCACHE_PURGE_ALL(); | |
| 0 | 175 HAL_ICACHE_INVALIDATE_ALL(); |
| 176 HAL_DCACHE_INVALIDATE_ALL(); | |
| 177 HAL_ICACHE_ENABLE(); | |
| 178 HAL_DCACHE_ENABLE(); | |
| 2 | 179 HAL_RESTORE_INTERRUPTS(oldints); |
| 180 CYG_TEST_INFO("Dcache on Icache on"); | |
| 0 | 181 time1(); |
| 182 | |
| 2 | 183 HAL_DISABLE_INTERRUPTS(oldints); |
| 184 HAL_DCACHE_PURGE_ALL(); | |
| 0 | 185 HAL_ICACHE_INVALIDATE_ALL(); |
| 186 HAL_DCACHE_INVALIDATE_ALL(); | |
| 187 HAL_ICACHE_DISABLE(); | |
| 188 HAL_DCACHE_DISABLE(); | |
| 2 | 189 HAL_RESTORE_INTERRUPTS(oldints); |
| 0 | 190 CYG_TEST_INFO("Dcache off Icache off"); |
| 191 time1(); | |
| 192 | |
|
10
d3fbcdfa1b2f
Merge from eCos master repository on 1999-05-29-00:13:11-BST
jlarmour
parents:
2
diff
changeset
|
193 #endif // HAL_CACHE_UNIFIED |
|
d3fbcdfa1b2f
Merge from eCos master repository on 1999-05-29-00:13:11-BST
jlarmour
parents:
2
diff
changeset
|
194 |
| 0 | 195 CYG_TEST_PASS_FINISH("End of test"); |
| 196 } | |
| 197 | |
| 198 // ------------------------------------------------------------------------- | |
| 199 | |
| 200 void cache_main( void ) | |
| 201 { | |
| 202 CYG_TEST_INIT(); | |
| 203 | |
| 204 entry0(); | |
| 205 | |
| 206 } | |
| 207 | |
| 208 // ------------------------------------------------------------------------- | |
| 209 | |
| 210 externC void | |
| 211 cyg_start( void ) | |
| 212 { | |
| 213 cache_main(); | |
| 214 } | |
| 215 | |
| 216 // ------------------------------------------------------------------------- | |
| 217 /* EOF cache.c */ |