ecos: packages/kernel/current/tests/kcache2.c annotate

annotate packages/kernel/current/tests/kcache2.c @ 143:6b5f480c6929 ecos-sw-2000-12-08

Merge from eCos master repository on 2000-12-08-02:09:36-GMT

author	jlarmour
date	Fri, 08 Dec 2000 03:30:06 +0000
parents	bf00f99aec69
children	678094f34118

rev	line source
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	1 /*=================================================================
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	2 //
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	3 // kcache2.c
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	4 //
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	5 // Cache feature/timing tests
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	6 //
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	7 //==========================================================================
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	8 //####COPYRIGHTBEGIN####
64 c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT jlarmour parents: 24 diff changeset	9 //
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT jlarmour parents: 24 diff changeset	10 // -------------------------------------------
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT jlarmour parents: 24 diff changeset	11 // The contents of this file are subject to the Red Hat eCos Public License
66 bf00f99aec69 Merge from eCos master repository on 2000-02-02-19:16:44-GMT jlarmour parents: 64 diff changeset	12 // Version 1.1 (the "License"); you may not use this file except in
64 c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT jlarmour parents: 24 diff changeset	13 // compliance with the License. You may obtain a copy of the License at
66 bf00f99aec69 Merge from eCos master repository on 2000-02-02-19:16:44-GMT jlarmour parents: 64 diff changeset	14 // http://www.redhat.com/
64 c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT jlarmour parents: 24 diff changeset	15 //
66 bf00f99aec69 Merge from eCos master repository on 2000-02-02-19:16:44-GMT jlarmour parents: 64 diff changeset	16 // Software distributed under the License is distributed on an "AS IS"
64 c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT jlarmour parents: 24 diff changeset	17 // basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT jlarmour parents: 24 diff changeset	18 // License for the specific language governing rights and limitations under
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT jlarmour parents: 24 diff changeset	19 // the License.
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT jlarmour parents: 24 diff changeset	20 //
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT jlarmour parents: 24 diff changeset	21 // The Original Code is eCos - Embedded Configurable Operating System,
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT jlarmour parents: 24 diff changeset	22 // released September 30, 1998.
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT jlarmour parents: 24 diff changeset	23 //
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT jlarmour parents: 24 diff changeset	24 // The Initial Developer of the Original Code is Red Hat.
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT jlarmour parents: 24 diff changeset	25 // Portions created by Red Hat are
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT jlarmour parents: 24 diff changeset	26 // Copyright (C) 1998, 1999, 2000 Red Hat, Inc.
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT jlarmour parents: 24 diff changeset	27 // All Rights Reserved.
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT jlarmour parents: 24 diff changeset	28 // -------------------------------------------
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT jlarmour parents: 24 diff changeset	29 //
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	30 //####COPYRIGHTEND####
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	31 //==========================================================================
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	32 //#####DESCRIPTIONBEGIN####
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	33 //
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	34 // Author(s): jskov, based on kcache1.c by dsm
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	35 // Contributors: jskov
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	36 // Date: 1998-12-10
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	37 // Description: Tests some of the more exotic cache macros.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	38 //####DESCRIPTIONEND####
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	39 */
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	40
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	41 #include <cyg/hal/hal_arch.h> // CYGNUM_HAL_STACK_SIZE_TYPICAL
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	42
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	43 #include <cyg/kernel/kapi.h>
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	44
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	45 #include <cyg/infra/testcase.h>
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	46
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	47 #ifdef CYGVAR_KERNEL_COUNTERS_CLOCK
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	48 #ifdef CYGFUN_KERNEL_API_C
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	49
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	50 #include <cyg/infra/diag.h>
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	51 #include <cyg/hal/hal_cache.h>
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	52
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	53 // -------------------------------------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	54
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	55 #define NTHREADS 1
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	56 #define STACKSIZE CYGNUM_HAL_STACK_SIZE_TYPICAL
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	57
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	58 // The following are defaults for loop variables. Note they will be overriden
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	59 // on simulator targets, where detected - there is no point testing a cache
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	60 // which doesn't exist :-).
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	61
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	62 #define TEST_DZERO_LOOPS 5000 // default number of loops for test_dzero()
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	63 #define TIME_ILOCK_LOOPS 10000 // default number of loops for time_ilock()
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	64 #define TIME_DLOCK_LOOPS 10000 // default number of loops for time_dlock()
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	65
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	66
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	67 static cyg_handle_t thread[NTHREADS];
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	68
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	69 static cyg_thread thread_obj[NTHREADS];
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	70 static char stack[NTHREADS][STACKSIZE];
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	71
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	72 #define MAXSIZE 1<<18
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	73
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	74 volatile char m[MAXSIZE];
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	75
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	76 // -------------------------------------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	77 // Test of data cache zero.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	78 // o Timing comparison with instructions doing the same amount of work.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	79 // o Check that area cleared with the DCACHE_ZERO macro contains zeros.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	80 #ifdef HAL_DCACHE_ZERO
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	81 static void test_dzero(void)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	82 {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	83 register cyg_uint32 k, i;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	84 cyg_tick_count_t count0, count1;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	85 cyg_ucount32 t;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	86 volatile cyg_uint32* aligned_p;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	87 volatile cyg_uint32* p;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	88 register CYG_INTERRUPT_STATE oldints;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	89 cyg_ucount32 test_dzero_loops = TEST_DZERO_LOOPS;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	90
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	91 CYG_TEST_INFO("Data cache zero");
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	92
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	93 if (cyg_test_is_simulator)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	94 test_dzero_loops=10;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	95
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	96 aligned_p = (volatile cyg_uint32*)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	97 (((unsigned long) &m[HAL_DCACHE_LINE_SIZE*2])
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	98 & ~(HAL_DCACHE_LINE_SIZE-1));
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	99
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	100 // Time with conventional instructions.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	101 HAL_DISABLE_INTERRUPTS(oldints);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	102 HAL_DCACHE_SYNC();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	103 HAL_DCACHE_DISABLE();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	104 HAL_DCACHE_SYNC();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	105 HAL_DCACHE_INVALIDATE_ALL();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	106 HAL_DCACHE_ENABLE();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	107 HAL_RESTORE_INTERRUPTS(oldints);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	108 count0 = cyg_current_time();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	109 for (k = 0; k < test_dzero_loops; k++) {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	110 p = aligned_p;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	111 for (i = 0; i < HAL_DCACHE_SETS; i++) {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	112 #if (16 == HAL_DCACHE_LINE_SIZE)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	113 *p++ = 0;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	114 *p++ = 0;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	115 *p++ = 0;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	116 *p++ = 0;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	117 #else
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	118 #error "Not defined for this cache line size."
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	119 #endif
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	120 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	121
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	122 HAL_DISABLE_INTERRUPTS(oldints);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	123 HAL_DCACHE_SYNC();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	124 HAL_DCACHE_DISABLE();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	125 HAL_DCACHE_SYNC();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	126 HAL_DCACHE_INVALIDATE_ALL();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	127 HAL_DCACHE_ENABLE();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	128 HAL_RESTORE_INTERRUPTS(oldints);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	129 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	130 count1 = cyg_current_time();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	131 t = count1 - count0;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	132 diag_printf("time with instructions: %d\n", t);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	133
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	134 // Initialize the area with non-zero so we can check whether
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	135 // the macro cleared the area properly.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	136 p = aligned_p;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	137 for (i = 0;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	138 i < HAL_DCACHE_SETS*HAL_DCACHE_LINE_SIZE/sizeof(cyg_uint32);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	139 i++) {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	140 *p++ = 0xdeadbeef;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	141 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	142
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	143 // Time with DCACHE_ZERO.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	144 HAL_DISABLE_INTERRUPTS(oldints);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	145 HAL_DCACHE_SYNC();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	146 HAL_DCACHE_DISABLE();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	147 HAL_DCACHE_SYNC();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	148 HAL_DCACHE_INVALIDATE_ALL();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	149 HAL_DCACHE_ENABLE();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	150 HAL_RESTORE_INTERRUPTS(oldints);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	151 count0 = cyg_current_time();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	152 for (k = 0; k < test_dzero_loops; k++) {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	153 HAL_DCACHE_ZERO(aligned_p, HAL_DCACHE_SETS*HAL_DCACHE_LINE_SIZE);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	154
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	155 HAL_DISABLE_INTERRUPTS(oldints);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	156 HAL_DCACHE_SYNC();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	157 HAL_DCACHE_DISABLE();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	158 HAL_DCACHE_SYNC();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	159 HAL_DCACHE_INVALIDATE_ALL();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	160 HAL_DCACHE_ENABLE();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	161 HAL_RESTORE_INTERRUPTS(oldints);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	162 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	163 count1 = cyg_current_time();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	164 t = count1 - count0;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	165 diag_printf("time with HAL_DCACHE_ZERO: %d\n", t);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	166
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	167 // Verify that the area was actually cleared.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	168 {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	169 cyg_uint32 d;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	170
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	171 d = 0;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	172 p = aligned_p;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	173 for (i = 0;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	174 i < HAL_DCACHE_SETS*HAL_DCACHE_LINE_SIZE/sizeof(cyg_uint32);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	175 i++) {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	176 d \|= *p++;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	177 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	178
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	179 CYG_TEST_CHECK(0 == d, "region not properly cleared");
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	180 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	181
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	182 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	183 #endif
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	184
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	185 // -------------------------------------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	186 // Test of data cache write hint.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	187 // Just check that the macro compiles.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	188 #ifdef HAL_DCACHE_WRITE_HINT
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	189 static void test_dwrite_hint(void)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	190 {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	191 register cyg_uint32 k;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	192 register CYG_INTERRUPT_STATE oldints;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	193
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	194 CYG_TEST_INFO("Data cache write hint");
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	195
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	196 HAL_DISABLE_INTERRUPTS(oldints);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	197 HAL_DCACHE_SYNC();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	198 HAL_DCACHE_DISABLE();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	199 HAL_DCACHE_SYNC();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	200 HAL_DCACHE_INVALIDATE_ALL();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	201 HAL_DCACHE_ENABLE();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	202 HAL_RESTORE_INTERRUPTS(oldints);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	203
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	204 HAL_DCACHE_WRITE_HINT(&m[HAL_DCACHE_LINE_SIZE2], 2HAL_DCACHE_LINE_SIZE);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	205 for (k = 0; k < 20; k++);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	206 m[HAL_DCACHE_LINE_SIZE*2] = 42;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	207 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	208 #endif
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	209
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	210 // -------------------------------------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	211 // Test of data cache read hint.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	212 // Just check that the macro compiles.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	213 #ifdef HAL_DCACHE_READ_HINT
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	214 static void test_dread_hint(void)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	215 {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	216 register char c;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	217 register cyg_uint32 k;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	218 register CYG_INTERRUPT_STATE oldints;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	219
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	220 CYG_TEST_INFO("Data cache read hint");
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	221
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	222 HAL_DISABLE_INTERRUPTS(oldints);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	223 HAL_DCACHE_SYNC();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	224 HAL_DCACHE_DISABLE();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	225 HAL_DCACHE_SYNC();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	226 HAL_DCACHE_INVALIDATE_ALL();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	227 HAL_DCACHE_ENABLE();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	228 HAL_RESTORE_INTERRUPTS(oldints);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	229
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	230 HAL_DCACHE_READ_HINT(&m[HAL_DCACHE_LINE_SIZE2], 2HAL_DCACHE_LINE_SIZE);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	231 for (k = 0; k < 20; k++);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	232 c = m[HAL_DCACHE_LINE_SIZE*2];
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	233 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	234 #endif
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	235
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	236 // -------------------------------------------------------------------------
143 6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	237 // Test of data cache line store
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	238 // o No semantic requirement.
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	239 // o Check that flushed data is written to memory.
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	240 // o Simple invocation check of macro.
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	241 #ifdef HAL_DCACHE_STORE
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	242 static void test_dstore(void)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	243 {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	244 volatile cyg_uint8* aligned_p;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	245 cyg_int32 i;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	246 register CYG_INTERRUPT_STATE oldints;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	247
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	248 CYG_TEST_INFO("Data cache store region");
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	249
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	250 for (i = 0; i < HAL_DCACHE_LINE_SIZE*16; i++)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	251 m[i] = 0;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	252
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	253 HAL_DISABLE_INTERRUPTS(oldints);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	254 HAL_DCACHE_SYNC();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	255 HAL_DCACHE_DISABLE();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	256 HAL_DCACHE_SYNC();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	257 HAL_DCACHE_INVALIDATE_ALL();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	258 HAL_DCACHE_ENABLE();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	259 HAL_RESTORE_INTERRUPTS(oldints);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	260
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	261 aligned_p = (volatile cyg_uint8*)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	262 (((unsigned long) &m[HAL_DCACHE_LINE_SIZE*2])
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	263 & ~(HAL_DCACHE_LINE_SIZE-1));
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	264
143 6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	265 HAL_DISABLE_INTERRUPTS(oldints);
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	266
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	267 aligned_p[0] = 42 + aligned_p[1]; // Load causes cache to be used!
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	268
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	269 HAL_DCACHE_STORE(aligned_p, HAL_DCACHE_LINE_SIZE);
143 6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	270
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	271 HAL_RESTORE_INTERRUPTS(oldints);
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	272
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	273 CYG_TEST_CHECK(42 == aligned_p[0],
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	274 "memory didn't contain flushed data");
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	275
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	276 HAL_DCACHE_INVALIDATE_ALL(); // Discard...
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	277
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	278 CYG_TEST_CHECK(42 == aligned_p[0],
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	279 "memory didn't contain flushed data after invalidate all");
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	280 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	281 #endif
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	282
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	283 // -------------------------------------------------------------------------
143 6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	284 // Test of data cache total flush (sync).
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	285 // o No semantic requirement.
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	286 // o Check that flushed data is written to memory.
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	287 // o Simple invocation check of macro.
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	288 #ifdef HAL_DCACHE_LINE_SIZE // So we can find our way around memory
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	289 static void test_dsync(void)
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	290 {
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	291 volatile cyg_uint8* aligned_p;
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	292 cyg_int32 i;
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	293 register CYG_INTERRUPT_STATE oldints;
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	294
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	295 CYG_TEST_INFO("Data cache sync all");
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	296
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	297 for (i = 0; i < HAL_DCACHE_LINE_SIZE*16; i++)
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	298 m[i] = 0;
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	299
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	300 HAL_DISABLE_INTERRUPTS(oldints);
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	301 HAL_DCACHE_SYNC();
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	302 HAL_DCACHE_DISABLE();
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	303 HAL_DCACHE_SYNC();
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	304 HAL_DCACHE_INVALIDATE_ALL();
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	305 HAL_DCACHE_ENABLE();
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	306 HAL_RESTORE_INTERRUPTS(oldints);
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	307
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	308 aligned_p = (volatile cyg_uint8*)
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	309 (((unsigned long) &m[HAL_DCACHE_LINE_SIZE*2])
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	310 & ~(HAL_DCACHE_LINE_SIZE-1));
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	311
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	312 HAL_DISABLE_INTERRUPTS(oldints);
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	313
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	314 aligned_p[0] = 42 + aligned_p[1]; // Load causes cache to be used!
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	315 aligned_p[HAL_DCACHE_LINE_SIZE] = 43 + aligned_p[HAL_DCACHE_LINE_SIZE + 1];
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	316
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	317 HAL_DCACHE_SYNC();
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	318
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	319 HAL_RESTORE_INTERRUPTS(oldints);
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	320
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	321 CYG_TEST_CHECK(42 == aligned_p[0],
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	322 "memory didn't contain flushed data");
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	323 CYG_TEST_CHECK(43 == aligned_p[HAL_DCACHE_LINE_SIZE],
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	324 "memory didn't contain flushed data next block");
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	325
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	326 HAL_DCACHE_INVALIDATE_ALL();
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	327
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	328 CYG_TEST_CHECK(42 == aligned_p[0],
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	329 "memory didn't contain flushed data after invalidate");
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	330 CYG_TEST_CHECK(43 == aligned_p[HAL_DCACHE_LINE_SIZE],
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	331 "memory didn't contain flushed data next block after invalidate");
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	332
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	333 HAL_DCACHE_DISABLE();
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	334
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	335 CYG_TEST_CHECK(42 == aligned_p[0],
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	336 "memory didn't contain flushed data after disable");
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	337 CYG_TEST_CHECK(43 == aligned_p[HAL_DCACHE_LINE_SIZE],
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	338 "memory didn't contain flushed data next block after disable");
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	339
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	340 HAL_DCACHE_ENABLE();
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	341 }
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	342 #endif // HAL_DCACHE_LINE_SIZE
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	343
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	344 // -------------------------------------------------------------------------
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	345 // Test of data cache line flush.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	346 // o Requires write-back cache.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	347 // o Check that flushed data is written to memory.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	348 // o Simple range check of macro.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	349 #ifdef HAL_DCACHE_FLUSH
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	350 static void test_dflush(void)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	351 {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	352 volatile cyg_uint8* aligned_p;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	353 cyg_int32 i;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	354 register CYG_INTERRUPT_STATE oldints;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	355
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	356 CYG_TEST_INFO("Data cache flush region");
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	357
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	358 for (i = 0; i < HAL_DCACHE_LINE_SIZE*16; i++)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	359 m[i] = 0;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	360
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	361 HAL_DISABLE_INTERRUPTS(oldints);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	362 HAL_DCACHE_SYNC();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	363 HAL_DCACHE_DISABLE();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	364 HAL_DCACHE_SYNC();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	365 HAL_DCACHE_INVALIDATE_ALL();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	366 HAL_DCACHE_ENABLE();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	367 HAL_RESTORE_INTERRUPTS(oldints);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	368
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	369 aligned_p = (volatile cyg_uint8*)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	370 (((unsigned long) &m[HAL_DCACHE_LINE_SIZE*2])
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	371 & ~(HAL_DCACHE_LINE_SIZE-1));
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	372
143 6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	373 HAL_DISABLE_INTERRUPTS(oldints);
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	374
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	375 aligned_p[0] = 42 + aligned_p[1]; // Load causes cache to be used!
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	376 aligned_p[HAL_DCACHE_LINE_SIZE] = 43 + aligned_p[HAL_DCACHE_LINE_SIZE + 1];
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	377
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	378 HAL_DCACHE_FLUSH(aligned_p, HAL_DCACHE_LINE_SIZE);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	379
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	380 HAL_DCACHE_DISABLE();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	381
143 6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	382 HAL_RESTORE_INTERRUPTS(oldints);
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	383
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	384 CYG_TEST_CHECK(42 == aligned_p[0],
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	385 "memory didn't contain flushed data");
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	386 CYG_TEST_CHECK(0 == aligned_p[HAL_DCACHE_LINE_SIZE],
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	387 "flushed beyond region");
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	388
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	389 HAL_DCACHE_ENABLE();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	390 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	391 #endif
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	392
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	393 // -------------------------------------------------------------------------
143 6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	394 // Test of data cache disable (which does NOT force contents out to RAM)
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	395 // o Requires write-back cache [so NOT invoked unconditionally]
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	396 // o Check that dirty data is not written to memory and is invalidated
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	397 // in the cache.
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	398 // o Simple invocation check of macro.
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	399 #ifdef HAL_DCACHE_QUERY_WRITE_MODE // only if we know this, can we test:
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	400 static void test_ddisable(void)
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	401 {
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	402 volatile cyg_uint8* aligned_p;
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	403 cyg_int32 i;
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	404 register CYG_INTERRUPT_STATE oldints;
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	405
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	406 CYG_TEST_INFO("Data cache gross disable");
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	407
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	408 for (i = 0; i < HAL_DCACHE_LINE_SIZE*16; i++)
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	409 m[i] = 0;
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	410
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	411 HAL_DISABLE_INTERRUPTS(oldints);
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	412 HAL_DCACHE_SYNC();
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	413 HAL_DCACHE_DISABLE();
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	414 HAL_DCACHE_SYNC();
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	415 HAL_DCACHE_INVALIDATE_ALL();
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	416 HAL_DCACHE_ENABLE();
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	417 HAL_RESTORE_INTERRUPTS(oldints);
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	418
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	419 aligned_p = (volatile cyg_uint8*)
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	420 (((unsigned long) &m[HAL_DCACHE_LINE_SIZE*2])
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	421 & ~(HAL_DCACHE_LINE_SIZE-1));
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	422
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	423 HAL_DISABLE_INTERRUPTS(oldints);
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	424
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	425 aligned_p[0] = 43 + aligned_p[1]; // Load causes cache to be used!
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	426 aligned_p[HAL_DCACHE_LINE_SIZE-1] = 43;
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	427
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	428 aligned_p[HAL_DCACHE_LINE_SIZE] = 42 + aligned_p[HAL_DCACHE_LINE_SIZE + 1];
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	429
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	430 HAL_DCACHE_DISABLE();
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	431
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	432 HAL_RESTORE_INTERRUPTS(oldints);
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	433
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	434 CYG_TEST_CHECK(0 == aligned_p[0] &&
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	435 0 == aligned_p[HAL_DCACHE_LINE_SIZE-1],
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	436 "cache/memory contained invalidated data");
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	437 CYG_TEST_CHECK(0 == aligned_p[HAL_DCACHE_LINE_SIZE],
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	438 "next block contained invalidated data");
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	439
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	440 HAL_DCACHE_ENABLE();
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	441 }
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	442 #endif // def HAL_DCACHE_QUERY_WRITE_MODE
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	443
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	444 // -------------------------------------------------------------------------
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	445 // Test of data cache total invalidate.
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	446 // o Requires write-back cache.
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	447 // o Check that invalidated data is not written to memory and is invalidated
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	448 // in the cache.
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	449 // o Simple invocation check of macro.
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	450 #ifdef HAL_DCACHE_QUERY_WRITE_MODE // only if we know this, can we test:
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	451 #ifdef HAL_DCACHE_INVALIDATE_ALL
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	452 static void test_dinvalidate_all(void)
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	453 {
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	454 volatile cyg_uint8* aligned_p;
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	455 cyg_int32 i;
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	456 register CYG_INTERRUPT_STATE oldints;
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	457
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	458 CYG_TEST_INFO("Data cache invalidate all");
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	459
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	460 for (i = 0; i < HAL_DCACHE_LINE_SIZE*16; i++)
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	461 m[i] = 0;
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	462
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	463 HAL_DISABLE_INTERRUPTS(oldints);
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	464 HAL_DCACHE_SYNC();
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	465 HAL_DCACHE_DISABLE();
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	466 HAL_DCACHE_SYNC();
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	467 HAL_DCACHE_INVALIDATE_ALL();
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	468 HAL_DCACHE_ENABLE();
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	469 HAL_RESTORE_INTERRUPTS(oldints);
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	470
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	471 aligned_p = (volatile cyg_uint8*)
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	472 (((unsigned long) &m[HAL_DCACHE_LINE_SIZE*2])
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	473 & ~(HAL_DCACHE_LINE_SIZE-1));
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	474
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	475 HAL_DISABLE_INTERRUPTS(oldints);
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	476
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	477 aligned_p[0] = 43 + aligned_p[1]; // Load causes cache to be used!
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	478 aligned_p[HAL_DCACHE_LINE_SIZE-1] = 43;
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	479
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	480 aligned_p[HAL_DCACHE_LINE_SIZE] = 42 + aligned_p[HAL_DCACHE_LINE_SIZE + 1];
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	481
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	482 HAL_DCACHE_INVALIDATE_ALL();
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	483
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	484 HAL_RESTORE_INTERRUPTS(oldints);
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	485
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	486 CYG_TEST_CHECK(0 == aligned_p[0] &&
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	487 0 == aligned_p[HAL_DCACHE_LINE_SIZE-1],
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	488 "cache/memory contained invalidated data");
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	489 CYG_TEST_CHECK(0 == aligned_p[HAL_DCACHE_LINE_SIZE],
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	490 "next block contained invalidated data");
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	491 }
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	492 #endif
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	493 #endif // def HAL_DCACHE_QUERY_WRITE_MODE
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	494
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	495 // -------------------------------------------------------------------------
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	496 // Test of data cache line invalidate.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	497 // o Requires write-back cache.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	498 // o Check that invalidated data is not written to memory and is invalidated
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	499 // in the cache.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	500 // o Simple range check of macro.
143 6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	501 #ifdef HAL_DCACHE_QUERY_WRITE_MODE // only if we know this, can we test:
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	502 #ifdef HAL_DCACHE_INVALIDATE
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	503 static void test_dinvalidate(void)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	504 {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	505 volatile cyg_uint8* aligned_p;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	506 cyg_int32 i;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	507 register CYG_INTERRUPT_STATE oldints;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	508
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	509 CYG_TEST_INFO("Data cache invalidate region");
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	510
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	511 for (i = 0; i < HAL_DCACHE_LINE_SIZE*16; i++)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	512 m[i] = 0;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	513
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	514 HAL_DISABLE_INTERRUPTS(oldints);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	515 HAL_DCACHE_SYNC();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	516 HAL_DCACHE_DISABLE();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	517 HAL_DCACHE_SYNC();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	518 HAL_DCACHE_INVALIDATE_ALL();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	519 HAL_DCACHE_ENABLE();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	520 HAL_RESTORE_INTERRUPTS(oldints);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	521
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	522 aligned_p = (volatile cyg_uint8*)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	523 (((unsigned long) &m[HAL_DCACHE_LINE_SIZE*2])
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	524 & ~(HAL_DCACHE_LINE_SIZE-1));
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	525
143 6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	526 HAL_DISABLE_INTERRUPTS(oldints);
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	527
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	528 aligned_p[0] = 43 + aligned_p[1]; // Load causes cache to be used!
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	529 aligned_p[HAL_DCACHE_LINE_SIZE-1] = 43;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	530
143 6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	531 aligned_p[HAL_DCACHE_LINE_SIZE] = 42 + aligned_p[HAL_DCACHE_LINE_SIZE + 1];
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	532
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	533 HAL_DCACHE_INVALIDATE(aligned_p, HAL_DCACHE_LINE_SIZE);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	534
143 6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	535 HAL_RESTORE_INTERRUPTS(oldints);
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	536
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	537 CYG_TEST_CHECK(0 == aligned_p[0] &&
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	538 0 == aligned_p[HAL_DCACHE_LINE_SIZE-1],
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	539 "cache/memory contained invalidated data");
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	540 CYG_TEST_CHECK(42 == aligned_p[HAL_DCACHE_LINE_SIZE],
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	541 "invalidated beyond range");
143 6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	542
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	543 HAL_DCACHE_SYNC();
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	544 HAL_DCACHE_DISABLE();
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	545
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	546 CYG_TEST_CHECK(0 == aligned_p[0] &&
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	547 0 == aligned_p[HAL_DCACHE_LINE_SIZE-1],
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	548 "cache/memory contained invalidated data after SYNC/DIS");
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	549 CYG_TEST_CHECK(42 == aligned_p[HAL_DCACHE_LINE_SIZE],
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	550 "invalidated beyond range after SYNC/DIS");
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	551
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	552 HAL_DCACHE_ENABLE();
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	553 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	554 #endif
143 6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	555 #endif // def HAL_DCACHE_QUERY_WRITE_MODE
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	556
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	557 // -------------------------------------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	558 // Test of instruction cache locking.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	559 // o Time difference between repeatedly executing a bunch of instructions
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	560 // with and without locking.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	561 #ifdef HAL_ICACHE_LOCK
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	562 static void iloop(unsigned long* start, unsigned long* end)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	563 {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	564 register char c;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	565 register CYG_INTERRUPT_STATE oldints;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	566
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	567 label_start:
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	568 // Invalidating shouldn't affect locked lines.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	569 HAL_DISABLE_INTERRUPTS(oldints);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	570 HAL_ICACHE_DISABLE();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	571 HAL_ICACHE_INVALIDATE_ALL();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	572 HAL_ICACHE_ENABLE();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	573 HAL_RESTORE_INTERRUPTS(oldints);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	574
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	575 c = m[HAL_DCACHE_LINE_SIZE*0];
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	576 c = m[HAL_DCACHE_LINE_SIZE*1];
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	577 c = m[HAL_DCACHE_LINE_SIZE*2];
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	578 c = m[HAL_DCACHE_LINE_SIZE*3];
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	579 c = m[HAL_DCACHE_LINE_SIZE*4];
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	580 c = m[HAL_DCACHE_LINE_SIZE*5];
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	581 c = m[HAL_DCACHE_LINE_SIZE*6];
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	582 c = m[HAL_DCACHE_LINE_SIZE*7];
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	583 c = m[HAL_DCACHE_LINE_SIZE*8];
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	584 c = m[HAL_DCACHE_LINE_SIZE*9];
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	585 c = m[HAL_DCACHE_LINE_SIZE*10];
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	586 c = m[HAL_DCACHE_LINE_SIZE*11];
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	587 c = m[HAL_DCACHE_LINE_SIZE*12];
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	588 c = m[HAL_DCACHE_LINE_SIZE*13];
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	589 c = m[HAL_DCACHE_LINE_SIZE*14];
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	590 c = m[HAL_DCACHE_LINE_SIZE*15];
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	591 c = m[HAL_DCACHE_LINE_SIZE*16];
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	592 c = m[HAL_DCACHE_LINE_SIZE*17];
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	593 c = m[HAL_DCACHE_LINE_SIZE*18];
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	594 c = m[HAL_DCACHE_LINE_SIZE*19];
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	595 c = m[HAL_DCACHE_LINE_SIZE*20];
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	596 c = m[HAL_DCACHE_LINE_SIZE*21];
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	597 c = m[HAL_DCACHE_LINE_SIZE*22];
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	598 c = m[HAL_DCACHE_LINE_SIZE*23];
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	599 c = m[HAL_DCACHE_LINE_SIZE*24];
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	600 c = m[HAL_DCACHE_LINE_SIZE*25];
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	601 c = m[HAL_DCACHE_LINE_SIZE*26];
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	602 c = m[HAL_DCACHE_LINE_SIZE*27];
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	603 c = m[HAL_DCACHE_LINE_SIZE*28];
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	604 c = m[HAL_DCACHE_LINE_SIZE*29];
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	605 c = m[HAL_DCACHE_LINE_SIZE*30];
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	606 c = m[HAL_DCACHE_LINE_SIZE*31];
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	607 c = m[HAL_DCACHE_LINE_SIZE*32];
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	608 c = m[HAL_DCACHE_LINE_SIZE*33];
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	609 c = m[HAL_DCACHE_LINE_SIZE*34];
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	610 c = m[HAL_DCACHE_LINE_SIZE*35];
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	611 c = m[HAL_DCACHE_LINE_SIZE*36];
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	612 c = m[HAL_DCACHE_LINE_SIZE*37];
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	613 c = m[HAL_DCACHE_LINE_SIZE*38];
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	614 c = m[HAL_DCACHE_LINE_SIZE*39];
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	615 c = m[HAL_DCACHE_LINE_SIZE*40];
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	616 c = m[HAL_DCACHE_LINE_SIZE*41];
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	617 c = m[HAL_DCACHE_LINE_SIZE*42];
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	618 c = m[HAL_DCACHE_LINE_SIZE*43];
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	619 c = m[HAL_DCACHE_LINE_SIZE*44];
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	620 c = m[HAL_DCACHE_LINE_SIZE*45];
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	621 c = m[HAL_DCACHE_LINE_SIZE*46];
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	622 c = m[HAL_DCACHE_LINE_SIZE*47];
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	623 c = m[HAL_DCACHE_LINE_SIZE*48];
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	624 c = m[HAL_DCACHE_LINE_SIZE*49];
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	625 c = m[HAL_DCACHE_LINE_SIZE*50];
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	626 c = m[HAL_DCACHE_LINE_SIZE*51];
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	627 c = m[HAL_DCACHE_LINE_SIZE*52];
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	628 c = m[HAL_DCACHE_LINE_SIZE*53];
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	629 c = m[HAL_DCACHE_LINE_SIZE*54];
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	630 c = m[HAL_DCACHE_LINE_SIZE*55];
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	631 c = m[HAL_DCACHE_LINE_SIZE*56];
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	632 c = m[HAL_DCACHE_LINE_SIZE*57];
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	633 c = m[HAL_DCACHE_LINE_SIZE*58];
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	634 c = m[HAL_DCACHE_LINE_SIZE*59];
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	635 c = m[HAL_DCACHE_LINE_SIZE*60];
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	636 c = m[HAL_DCACHE_LINE_SIZE*61];
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	637 c = m[HAL_DCACHE_LINE_SIZE*62];
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	638 c = m[HAL_DCACHE_LINE_SIZE*63];
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	639
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	640 label_end:
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	641
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	642 *start = (unsigned long) &&label_start;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	643 *end = (unsigned long) &&label_end;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	644 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	645
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	646 static void time_ilock(void)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	647 {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	648 register cyg_ucount32 k;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	649 cyg_tick_count_t count0, count1;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	650 cyg_ucount32 t;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	651 unsigned long start, end;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	652 register cyg_ucount32 time_ilock_loops = TIME_ILOCK_LOOPS;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	653
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	654 CYG_TEST_INFO("Instruction cache lock");
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	655
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	656 if (cyg_test_is_simulator)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	657 time_ilock_loops = 10;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	658
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	659 count0 = cyg_current_time();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	660 for (k = 0; k < time_ilock_loops; k++) {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	661 iloop(&start, &end);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	662 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	663 count1 = cyg_current_time();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	664 t = count1 - count0;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	665 diag_printf("time without lock: %d\n", t);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	666
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	667 HAL_ICACHE_LOCK(start, end-start);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	668
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	669 count0 = cyg_current_time();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	670 for (k = 0; k < time_ilock_loops; k++) {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	671 iloop(&start, &end);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	672 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	673 count1 = cyg_current_time();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	674 t = count1 - count0;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	675 diag_printf("time with lock: %d\n", t);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	676
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	677 HAL_ICACHE_UNLOCK(start, end-start);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	678 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	679 #endif // ifdef HAL_ICACHE_LOCK
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	680
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	681 // -------------------------------------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	682 // Test of data cache locking.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	683 // o Time difference between repeatedly accessing a memory region
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	684 // with and without locking.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	685 #ifdef HAL_DCACHE_LOCK
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	686 static void dloop(void)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	687 {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	688 register cyg_uint32 j;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	689 register char c;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	690 register CYG_INTERRUPT_STATE oldints;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	691
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	692 HAL_DISABLE_INTERRUPTS(oldints);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	693 HAL_DCACHE_SYNC();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	694 HAL_DCACHE_DISABLE();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	695 HAL_DCACHE_SYNC();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	696 HAL_DCACHE_INVALIDATE_ALL();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	697 HAL_DCACHE_ENABLE();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	698 HAL_RESTORE_INTERRUPTS(oldints);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	699 for (j = 0; j < HAL_DCACHE_SETS; j++) {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	700 c = m[HAL_DCACHE_LINE_SIZE*j];
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	701 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	702 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	703
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	704 static void time_dlock(void)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	705 {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	706 register cyg_ucount32 k;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	707 cyg_tick_count_t count0, count1;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	708 cyg_ucount32 t;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	709 register cyg_ucount32 time_dlock_loops = TIME_DLOCK_LOOPS;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	710
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	711 CYG_TEST_INFO("Data cache lock");
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	712
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	713 if (cyg_test_is_simulator)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	714 time_dlock_loops = 10;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	715
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	716 count0 = cyg_current_time();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	717 for (k = 0; k < time_dlock_loops; k++) {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	718 dloop();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	719 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	720 count1 = cyg_current_time();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	721 t = count1 - count0;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	722 diag_printf("time without lock: %d\n", t);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	723
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	724 HAL_DCACHE_LOCK(&m[0], HAL_DCACHE_SETS*HAL_DCACHE_LINE_SIZE);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	725
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	726 count0 = cyg_current_time();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	727 for (k = 0; k < time_dlock_loops; k++) {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	728 dloop();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	729 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	730 count1 = cyg_current_time();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	731 t = count1 - count0;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	732 diag_printf("time with lock: %d\n", t);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	733
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	734 HAL_DCACHE_UNLOCK(&m[0], HAL_DCACHE_SETS*HAL_DCACHE_LINE_SIZE);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	735 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	736 #endif // ifdef HAL_DCACHE_LOCK
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	737
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	738 // -------------------------------------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	739 static void entry0( cyg_addrword_t data )
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	740 {
143 6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	741 int numtests = 0;
24 306eee292492 Merge from eCos master repository on 1999-07-16-05:47:06-BST jlarmour parents: 2 diff changeset	742 #ifdef HAL_DCACHE_QUERY_WRITE_MODE
306eee292492 Merge from eCos master repository on 1999-07-16-05:47:06-BST jlarmour parents: 2 diff changeset	743 int wmode;
306eee292492 Merge from eCos master repository on 1999-07-16-05:47:06-BST jlarmour parents: 2 diff changeset	744 #endif
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	745 #ifdef HAL_DCACHE_LOCK
143 6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	746 time_dlock(); numtests++;
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	747 #endif
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	748 #ifdef HAL_ICACHE_LOCK
143 6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	749 time_ilock(); numtests++;
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	750 #endif
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	751 #ifdef HAL_DCACHE_LINE_SIZE // So we can find our way around memory
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	752 test_dsync(); numtests++;
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	753 #endif
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	754 #ifdef HAL_DCACHE_STORE
143 6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	755 test_dstore(); numtests++;
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	756 #endif
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	757 #ifdef HAL_DCACHE_READ_HINT
143 6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	758 test_dread_hint(); numtests++;
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	759 #endif
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	760 #ifdef HAL_DCACHE_WRITE_HINT
143 6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	761 test_dwrite_hint(); numtests++;
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	762 #endif
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	763 #ifdef HAL_DCACHE_ZERO
143 6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	764 test_dzero(); numtests++;
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	765 #endif
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	766
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	767 // The below tests only work on a copy-back cache.
24 306eee292492 Merge from eCos master repository on 1999-07-16-05:47:06-BST jlarmour parents: 2 diff changeset	768 #ifdef HAL_DCACHE_QUERY_WRITE_MODE
306eee292492 Merge from eCos master repository on 1999-07-16-05:47:06-BST jlarmour parents: 2 diff changeset	769 HAL_DCACHE_QUERY_WRITE_MODE( wmode );
306eee292492 Merge from eCos master repository on 1999-07-16-05:47:06-BST jlarmour parents: 2 diff changeset	770
306eee292492 Merge from eCos master repository on 1999-07-16-05:47:06-BST jlarmour parents: 2 diff changeset	771 if ( HAL_DCACHE_WRITEBACK_MODE == wmode ) {
143 6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	772 test_ddisable(); numtests++;
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	773 #ifdef HAL_DCACHE_INVALIDATE
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	774 test_dinvalidate_all(); numtests++;
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	775 #endif
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	776 #ifdef HAL_DCACHE_FLUSH
143 6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	777 test_dflush(); numtests++;
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	778 #endif
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	779 #ifdef HAL_DCACHE_INVALIDATE
143 6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	780 test_dinvalidate(); numtests++;
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	781 #endif
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	782 }
24 306eee292492 Merge from eCos master repository on 1999-07-16-05:47:06-BST jlarmour parents: 2 diff changeset	783 #endif // def HAL_DCACHE_QUERY_WRITE_MODE
143 6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	784 if ( numtests ) {
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	785 CYG_TEST_PASS_FINISH("End of test");
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	786 }
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	787 else {
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	788 CYG_TEST_NA( "No applicable cache tests" );
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 66 diff changeset	789 }
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	790 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	791
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	792 // -------------------------------------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	793
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	794 void kcache2_main( void )
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	795 {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	796 CYG_TEST_INIT();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	797
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	798 cyg_thread_create(4, entry0 , (cyg_addrword_t)0, "kcache2",
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	799 (void *)stack[0], STACKSIZE, &thread[0], &thread_obj[0]);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	800 cyg_thread_resume(thread[0]);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	801
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	802 cyg_scheduler_start();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	803 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	804
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	805 // -------------------------------------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	806
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	807 externC void
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	808 cyg_start( void )
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	809 {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	810 kcache2_main();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	811 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	812
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	813 // -------------------------------------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	814
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	815 #else // def CYGFUN_KERNEL_API_C
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	816 #define N_A_MSG "Kernel C API layer disabled"
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	817 #endif // def CYGFUN_KERNEL_API_C
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	818 #else // def CYGVAR_KERNEL_COUNTERS_CLOCK
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	819 #define N_A_MSG "Kernel real-time clock disabled"
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	820 #endif // def CYGVAR_KERNEL_COUNTERS_CLOCK
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	821
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	822 #ifdef N_A_MSG
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	823 externC void
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	824 cyg_start( void )
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	825 {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	826 CYG_TEST_INIT();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	827 CYG_TEST_NA( N_A_MSG );
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	828 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	829 #endif // N_A_MSG
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	830
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	831 // -------------------------------------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	832 /* EOF kcache2.c */

Mercurial > ecos

annotate packages/kernel/current/tests/kcache2.c @ 143:6b5f480c6929 ecos-sw-2000-12-08