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//==========================================================================
//
//        dram_test.c
//
//        eCos generic DRAM test code
//
//==========================================================================
//####ECOSGPLCOPYRIGHTBEGIN####
// -------------------------------------------
// This file is part of eCos, the Embedded Configurable Operating System.
// Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
//
// eCos is free software; you can redistribute it and/or modify it under
// the terms of the GNU General Public License as published by the Free
// Software Foundation; either version 2 or (at your option) any later version.
//
// eCos is distributed in the hope that it will be useful, but WITHOUT ANY
// WARRANTY; without even the implied warranty of MERCHANTABILITY or
// FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
// for more details.
//
// You should have received a copy of the GNU General Public License along
// with eCos; if not, write to the Free Software Foundation, Inc.,
// 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
//
// As a special exception, if other files instantiate templates or use macros
// or inline functions from this file, or you compile this file and link it
// with other works to produce a work based on this file, this file does not
// by itself cause the resulting work to be covered by the GNU General Public
// License. However the source code for this file must still be made available
// in accordance with section (3) of the GNU General Public License.
//
// This exception does not invalidate any other reasons why a work based on
// this file might be covered by the GNU General Public License.
//
// Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
// at http://sources.redhat.com/ecos/ecos-license/
// -------------------------------------------
//####ECOSGPLCOPYRIGHTEND####
//==========================================================================
//#####DESCRIPTIONBEGIN####
//
// Author(s):     gthomas
// Contributors:  gthomas
// Date:          1999-10-22
// Description:   Tool used to test DRAM on eval boards
//####DESCRIPTIONEND####
 
#include <pkgconf/system.h>
#include <cyg/infra/testcase.h>
 
#ifdef CYGPKG_KERNEL
 
#include <pkgconf/kernel.h>   // Configuration header
 
#ifdef CYGFUN_KERNEL_API_C
 
#include <cyg/kernel/kapi.h>
#include <cyg/infra/diag.h>
 
#include <cyg/hal/hal_arch.h>
#include CYGHWR_MEMORY_LAYOUT_H  // Memory layout
 
#ifndef FALSE
#define FALSE 0
#define TRUE  1
#endif
 
#define STACK_SIZE CYGNUM_HAL_STACK_SIZE_MINIMUM
static char stack[STACK_SIZE];
static cyg_thread thread_data;
static cyg_handle_t thread_handle;
 
extern char __bss_end;
int total_errors;
int run_errors;
int error_count;
 
#define MAX_ERRORS   5
#define NUM_RUNS     4
#define REFRESH_TIME 5
 
int decay_time[] = { 50, 100, 200, 500, 1000 };
#define NUM_DECAY sizeof(decay_time)/sizeof(decay_time[0])
 
// FUNCTIONS
 
static void
new_test(void)
{
    error_count = 0;
}
 
static void
report_error(void *addr, cyg_uint32 actual, cyg_uint32 expected)
{
    total_errors++;
    run_errors++;
    if (++error_count > MAX_ERRORS) return;
    diag_printf("   0x%08x: expected - 0x%08x, actual - 0x%08x\n",
                addr, expected, actual);
}
 
// Fill longwords with their own address and verify
 
static void
addr_test(cyg_uint32 start, cyg_uint32 end)
{
    cyg_uint32 *mp;
 
    new_test();
    diag_printf("-- Address test\n");
    for (mp = (cyg_uint32 *)start;  mp < (cyg_uint32 *)end;  mp++) {
        *mp = (cyg_uint32)mp;
    }
    for (mp = (cyg_uint32 *)start;  mp < (cyg_uint32 *)end;  mp++) {
        if (*mp != (cyg_uint32)mp) {
            report_error(mp, *mp, (cyg_uint32)mp);
        }
    }
}
 
// Fill longwords with zeros
 
static void
zeros_test(cyg_uint32 start, cyg_uint32 end)
{
    cyg_uint32 *mp;
 
    new_test();
    diag_printf("-- Zeros test\n");
    for (mp = (cyg_uint32 *)start;  mp < (cyg_uint32 *)end;  mp++) {
        *mp = (cyg_uint32)0;
    }
    for (mp = (cyg_uint32 *)start;  mp < (cyg_uint32 *)end;  mp++) {
        if (*mp != (cyg_uint32)0) {
            report_error(mp, *mp, (cyg_uint32)0);
        }
    }
}
 
// Fill longwords with all ones
 
static void
ones_test(cyg_uint32 start, cyg_uint32 end)
{
    cyg_uint32 *mp;
 
    new_test();
    diag_printf("-- Ones test\n");
    for (mp = (cyg_uint32 *)start;  mp < (cyg_uint32 *)end;  mp++) {
        *mp = (cyg_uint32)0xFFFFFFFF;
    }
    for (mp = (cyg_uint32 *)start;  mp < (cyg_uint32 *)end;  mp++) {
        if (*mp != (cyg_uint32)0xFFFFFFFF) {
            report_error(mp, *mp, (cyg_uint32)0xFFFFFFFF);
        }
    }
}
 
// Fill longwords with a "walking" bit
 
static void
walking_bit_test(cyg_uint32 start, cyg_uint32 end)
{
    cyg_uint32 *mp;
    cyg_uint32 bit;
 
    new_test();
    diag_printf("-- Walking test\n");
    bit = 1;
    for (mp = (cyg_uint32 *)start;  mp < (cyg_uint32 *)end;  mp++) {
        *mp = (cyg_uint32)bit;
        bit <<= 1;
        if (bit == 0) bit = 1;
    }
    bit = 1;
    for (mp = (cyg_uint32 *)start;  mp < (cyg_uint32 *)end;  mp++) {
        if (*mp != (cyg_uint32)bit) {
            report_error(mp, *mp, (cyg_uint32)bit);
        }
        bit <<= 1;
        if (bit == 0) bit = 1;
    }
}
 
// Fill longwords with an alternating pattern
 
static void
pattern_test(cyg_uint32 start, cyg_uint32 end)
{
    cyg_uint32 *mp;
    cyg_uint32 pat;
 
    new_test();
    diag_printf("-- Pattern test\n");
    pat = 0x55555555;
    for (mp = (cyg_uint32 *)start;  mp < (cyg_uint32 *)end;  mp++) {
        *mp = (cyg_uint32)pat;
    }
    for (mp = (cyg_uint32 *)start;  mp < (cyg_uint32 *)end;  mp++) {
        if (*mp != (cyg_uint32)pat) {
            report_error(mp, *mp, (cyg_uint32)pat);
        }
    }
    pat = 0xAAAAAAAA;
    for (mp = (cyg_uint32 *)start;  mp < (cyg_uint32 *)end;  mp++) {
        *mp = (cyg_uint32)pat;
    }
    for (mp = (cyg_uint32 *)start;  mp < (cyg_uint32 *)end;  mp++) {
        if (*mp != (cyg_uint32)pat) {
            report_error(mp, *mp, (cyg_uint32)pat);
        }
    }
}
 
// Verify if refresh works
 
static void
refresh_test(cyg_uint32 start, cyg_uint32 end)
{
    cyg_uint32 *mp;
    cyg_uint32 pat;
 
    new_test();
    diag_printf("-- Refresh test\n");
    pat = 0x55555555;
    for (mp = (cyg_uint32 *)start;  mp < (cyg_uint32 *)end;  mp++) {
        *mp = (cyg_uint32)pat;
    }
    cyg_thread_delay(REFRESH_TIME*100);
    for (mp = (cyg_uint32 *)start;  mp < (cyg_uint32 *)end;  mp++) {
        if (*mp != (cyg_uint32)pat) {
            report_error(mp, *mp, (cyg_uint32)pat);
        }
    }
    pat = 0xAAAAAAAA;
    for (mp = (cyg_uint32 *)start;  mp < (cyg_uint32 *)end;  mp++) {
        *mp = (cyg_uint32)pat;
    }
    cyg_thread_delay(REFRESH_TIME*100);
    for (mp = (cyg_uint32 *)start;  mp < (cyg_uint32 *)end;  mp++) {
        if (*mp != (cyg_uint32)pat) {
            report_error(mp, *mp, (cyg_uint32)pat);
        }
    }
}
 
// See how long we can "sleep" before refresh fails
 
static void
decay_test(cyg_uint32 start, cyg_uint32 end)
{
    cyg_uint32 *mp;
    cyg_uint32 pat;
    int i;
 
    diag_printf("-- Decay test\n");
    for (i = 0;  i < NUM_DECAY;  i++) {
        diag_printf("    ... %d.%02d sec delay\n", decay_time[i]/100, decay_time[i]%100);
        new_test();
        pat = 0x55555555;
        for (mp = (cyg_uint32 *)start;  mp < (cyg_uint32 *)end;  mp++) {
            *mp = (cyg_uint32)pat;
        }
        cyg_thread_delay(decay_time[i]);
        for (mp = (cyg_uint32 *)start;  mp < (cyg_uint32 *)end;  mp++) {
            if (*mp != (cyg_uint32)pat) {
                report_error(mp, *mp, (cyg_uint32)pat);
            }
        }
        pat = 0xAAAAAAAA;
        for (mp = (cyg_uint32 *)start;  mp < (cyg_uint32 *)end;  mp++) {
            *mp = (cyg_uint32)pat;
        }
        cyg_thread_delay(decay_time[i]);
        for (mp = (cyg_uint32 *)start;  mp < (cyg_uint32 *)end;  mp++) {
            if (*mp != (cyg_uint32)pat) {
                report_error(mp, *mp, (cyg_uint32)pat);
            }
        }
        diag_printf("    ... %d errors\n", error_count);
    }
}
 
 
static void
dram_exercise(cyg_addrword_t p)
{
    cyg_uint32 start_DRAM, end_DRAM;
    int i;
 
    CYG_TEST_INIT();
 
    end_DRAM = CYGMEM_REGION_ram+CYGMEM_REGION_ram_SIZE;
    start_DRAM = ((cyg_uint32)&__bss_end + 0x00000FFF) & 0xFFFFF000;
    diag_printf("DRAM test - start: 0x%08x, end: 0x%08x\n", start_DRAM, end_DRAM);
 
    for (i = 0;  i < NUM_RUNS;  i++) {
        diag_printf("\n*** Start run #%d of %d\n", i+1, NUM_RUNS);
        run_errors = 0;
        addr_test(start_DRAM, end_DRAM);
        ones_test(start_DRAM, end_DRAM);
        zeros_test(start_DRAM, end_DRAM);
        walking_bit_test(start_DRAM, end_DRAM);
        pattern_test(start_DRAM, end_DRAM);
        refresh_test(start_DRAM, end_DRAM);
        decay_test(start_DRAM, end_DRAM);
        diag_printf("\n*** End run, %d errors, %d total errors\n", run_errors, total_errors);
    }
 
    CYG_TEST_PASS_FINISH("DRAM testing complete");
}
 
externC void
cyg_start( void )
{
    // Create a main thread, so we can run the scheduler and have time 'pass'
    cyg_thread_create(10,                // Priority - just a number
                      dram_exercise,     // entry
                      0,                 // entry parameter
                      "DRAM test",       // Name
                      &stack[0],         // Stack
                      STACK_SIZE,        // Size
                      &thread_handle,    // Handle
                      &thread_data       // Thread data structure
            );
    cyg_thread_resume(thread_handle);  // Start it
    cyg_scheduler_start();
} // cyg_package_start()
 
#else /* def CYGFUN_KERNEL_API_C */
# define NA_MSG "Kernel C API layer disabled"
#endif
 
#else /* def CYGPKG_KERNEL */
# define NA_MSG "No kernel"
#endif
 
 
#ifdef NA_MSG
externC void
cyg_start( void )
{
    CYG_TEST_INIT();
    CYG_TEST_NA(NA_MSG);
}
#endif

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Subversion Repositories openrisc

[/] [openrisc/] [trunk/] [rtos/] [ecos-2.0/] [packages/] [hal/] [arm/] [edb7xxx/] [v2_0/] [tests/] [dram_test.c] - Blame information for rev 565

Line No.	Rev	Author	Line
1	27	unneback	`//==========================================================================`
2			`//`
3			`// dram_test.c`
4			`//`
5			`// eCos generic DRAM test code`
6			`//`
7			`//==========================================================================`
8			`//####ECOSGPLCOPYRIGHTBEGIN####`
9			`// -------------------------------------------`
10			`// This file is part of eCos, the Embedded Configurable Operating System.`
11			`// Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.`
12			`//`
13			`// eCos is free software; you can redistribute it and/or modify it under`
14			`// the terms of the GNU General Public License as published by the Free`
15			`// Software Foundation; either version 2 or (at your option) any later version.`
16			`//`
17			`// eCos is distributed in the hope that it will be useful, but WITHOUT ANY`
18			`// WARRANTY; without even the implied warranty of MERCHANTABILITY or`
19			`// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License`
20			`// for more details.`
21			`//`
22			`// You should have received a copy of the GNU General Public License along`
23			`// with eCos; if not, write to the Free Software Foundation, Inc.,`
24			`// 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.`
25			`//`
26			`// As a special exception, if other files instantiate templates or use macros`
27			`// or inline functions from this file, or you compile this file and link it`
28			`// with other works to produce a work based on this file, this file does not`
29			`// by itself cause the resulting work to be covered by the GNU General Public`
30			`// License. However the source code for this file must still be made available`
31			`// in accordance with section (3) of the GNU General Public License.`
32			`//`
33			`// This exception does not invalidate any other reasons why a work based on`
34			`// this file might be covered by the GNU General Public License.`
35			`//`
36			`// Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.`
37			`// at http://sources.redhat.com/ecos/ecos-license/`
38			`// -------------------------------------------`
39			`//####ECOSGPLCOPYRIGHTEND####`
40			`//==========================================================================`
41			`//#####DESCRIPTIONBEGIN####`
42			`//`
43			`// Author(s): gthomas`
44			`// Contributors: gthomas`
45			`// Date: 1999-10-22`
46			`// Description: Tool used to test DRAM on eval boards`
47			`//####DESCRIPTIONEND####`
48
49			`#include <pkgconf/system.h>`
50			`#include <cyg/infra/testcase.h>`
51
52			`#ifdef CYGPKG_KERNEL`
53
54			`#include <pkgconf/kernel.h> // Configuration header`
55
56			`#ifdef CYGFUN_KERNEL_API_C`
57
58			`#include <cyg/kernel/kapi.h>`
59			`#include <cyg/infra/diag.h>`
60
61			`#include <cyg/hal/hal_arch.h>`
62			`#include CYGHWR_MEMORY_LAYOUT_H // Memory layout`
63
64			`#ifndef FALSE`
65			`#define FALSE 0`
66			`#define TRUE 1`
67			`#endif`
68
69			`#define STACK_SIZE CYGNUM_HAL_STACK_SIZE_MINIMUM`
70			`static char stack[STACK_SIZE];`
71			`static cyg_thread thread_data;`
72			`static cyg_handle_t thread_handle;`
73
74			`extern char __bss_end;`
75			`int total_errors;`
76			`int run_errors;`
77			`int error_count;`
78
79			`#define MAX_ERRORS 5`
80			`#define NUM_RUNS 4`
81			`#define REFRESH_TIME 5`
82
83			`int decay_time[] = { 50, 100, 200, 500, 1000 };`
84			`#define NUM_DECAY sizeof(decay_time)/sizeof(decay_time[0])`
85
86			`// FUNCTIONS`
87
88			`static void`
89			`new_test(void)`
90			`{`
91			`error_count = 0;`
92			`}`
93
94			`static void`
95			`report_error(void *addr, cyg_uint32 actual, cyg_uint32 expected)`
96			`{`
97			`total_errors++;`
98			`run_errors++;`
99			`if (++error_count > MAX_ERRORS) return;`
100			`diag_printf(" 0x%08x: expected - 0x%08x, actual - 0x%08x\n",`
101			`addr, expected, actual);`
102			`}`
103
104			`// Fill longwords with their own address and verify`
105
106			`static void`
107			`addr_test(cyg_uint32 start, cyg_uint32 end)`
108			`{`
109			`cyg_uint32 *mp;`
110
111			`new_test();`
112			`diag_printf("-- Address test\n");`
113			`for (mp = (cyg_uint32 )start; mp < (cyg_uint32 )end; mp++) {`
114			`*mp = (cyg_uint32)mp;`
115			`}`
116			`for (mp = (cyg_uint32 )start; mp < (cyg_uint32 )end; mp++) {`
117			`if (*mp != (cyg_uint32)mp) {`
118			`report_error(mp, *mp, (cyg_uint32)mp);`
119			`}`
120			`}`
121			`}`
122
123			`// Fill longwords with zeros`
124
125			`static void`
126			`zeros_test(cyg_uint32 start, cyg_uint32 end)`
127			`{`
128			`cyg_uint32 *mp;`
129
130			`new_test();`
131			`diag_printf("-- Zeros test\n");`
132			`for (mp = (cyg_uint32 )start; mp < (cyg_uint32 )end; mp++) {`
133			`*mp = (cyg_uint32)0;`
134			`}`
135			`for (mp = (cyg_uint32 )start; mp < (cyg_uint32 )end; mp++) {`
136			`if (*mp != (cyg_uint32)0) {`
137			`report_error(mp, *mp, (cyg_uint32)0);`
138			`}`
139			`}`
140			`}`
141
142			`// Fill longwords with all ones`
143
144			`static void`
145			`ones_test(cyg_uint32 start, cyg_uint32 end)`
146			`{`
147			`cyg_uint32 *mp;`
148
149			`new_test();`
150			`diag_printf("-- Ones test\n");`
151			`for (mp = (cyg_uint32 )start; mp < (cyg_uint32 )end; mp++) {`
152			`*mp = (cyg_uint32)0xFFFFFFFF;`
153			`}`
154			`for (mp = (cyg_uint32 )start; mp < (cyg_uint32 )end; mp++) {`
155			`if (*mp != (cyg_uint32)0xFFFFFFFF) {`
156			`report_error(mp, *mp, (cyg_uint32)0xFFFFFFFF);`
157			`}`
158			`}`
159			`}`
160
161			`// Fill longwords with a "walking" bit`
162
163			`static void`
164			`walking_bit_test(cyg_uint32 start, cyg_uint32 end)`
165			`{`
166			`cyg_uint32 *mp;`
167			`cyg_uint32 bit;`
168
169			`new_test();`
170			`diag_printf("-- Walking test\n");`
171			`bit = 1;`
172			`for (mp = (cyg_uint32 )start; mp < (cyg_uint32 )end; mp++) {`
173			`*mp = (cyg_uint32)bit;`
174			`bit <<= 1;`
175			`if (bit == 0) bit = 1;`
176			`}`
177			`bit = 1;`
178			`for (mp = (cyg_uint32 )start; mp < (cyg_uint32 )end; mp++) {`
179			`if (*mp != (cyg_uint32)bit) {`
180			`report_error(mp, *mp, (cyg_uint32)bit);`
181			`}`
182			`bit <<= 1;`
183			`if (bit == 0) bit = 1;`
184			`}`
185			`}`
186
187			`// Fill longwords with an alternating pattern`
188
189			`static void`
190			`pattern_test(cyg_uint32 start, cyg_uint32 end)`
191			`{`
192			`cyg_uint32 *mp;`
193			`cyg_uint32 pat;`
194
195			`new_test();`
196			`diag_printf("-- Pattern test\n");`
197			`pat = 0x55555555;`
198			`for (mp = (cyg_uint32 )start; mp < (cyg_uint32 )end; mp++) {`
199			`*mp = (cyg_uint32)pat;`
200			`}`
201			`for (mp = (cyg_uint32 )start; mp < (cyg_uint32 )end; mp++) {`
202			`if (*mp != (cyg_uint32)pat) {`
203			`report_error(mp, *mp, (cyg_uint32)pat);`
204			`}`
205			`}`
206			`pat = 0xAAAAAAAA;`
207			`for (mp = (cyg_uint32 )start; mp < (cyg_uint32 )end; mp++) {`
208			`*mp = (cyg_uint32)pat;`
209			`}`
210			`for (mp = (cyg_uint32 )start; mp < (cyg_uint32 )end; mp++) {`
211			`if (*mp != (cyg_uint32)pat) {`
212			`report_error(mp, *mp, (cyg_uint32)pat);`
213			`}`
214			`}`
215			`}`
216
217			`// Verify if refresh works`
218
219			`static void`
220			`refresh_test(cyg_uint32 start, cyg_uint32 end)`
221			`{`
222			`cyg_uint32 *mp;`
223			`cyg_uint32 pat;`
224
225			`new_test();`
226			`diag_printf("-- Refresh test\n");`
227			`pat = 0x55555555;`
228			`for (mp = (cyg_uint32 )start; mp < (cyg_uint32 )end; mp++) {`
229			`*mp = (cyg_uint32)pat;`
230			`}`
231			`cyg_thread_delay(REFRESH_TIME*100);`
232			`for (mp = (cyg_uint32 )start; mp < (cyg_uint32 )end; mp++) {`
233			`if (*mp != (cyg_uint32)pat) {`
234			`report_error(mp, *mp, (cyg_uint32)pat);`
235			`}`
236			`}`
237			`pat = 0xAAAAAAAA;`
238			`for (mp = (cyg_uint32 )start; mp < (cyg_uint32 )end; mp++) {`
239			`*mp = (cyg_uint32)pat;`
240			`}`
241			`cyg_thread_delay(REFRESH_TIME*100);`
242			`for (mp = (cyg_uint32 )start; mp < (cyg_uint32 )end; mp++) {`
243			`if (*mp != (cyg_uint32)pat) {`
244			`report_error(mp, *mp, (cyg_uint32)pat);`
245			`}`
246			`}`
247			`}`
248
249			`// See how long we can "sleep" before refresh fails`
250
251			`static void`
252			`decay_test(cyg_uint32 start, cyg_uint32 end)`
253			`{`
254			`cyg_uint32 *mp;`
255			`cyg_uint32 pat;`
256			`int i;`
257
258			`diag_printf("-- Decay test\n");`
259			`for (i = 0; i < NUM_DECAY; i++) {`
260			`diag_printf(" ... %d.%02d sec delay\n", decay_time[i]/100, decay_time[i]%100);`
261			`new_test();`
262			`pat = 0x55555555;`
263			`for (mp = (cyg_uint32 )start; mp < (cyg_uint32 )end; mp++) {`
264			`*mp = (cyg_uint32)pat;`
265			`}`
266			`cyg_thread_delay(decay_time[i]);`
267			`for (mp = (cyg_uint32 )start; mp < (cyg_uint32 )end; mp++) {`
268			`if (*mp != (cyg_uint32)pat) {`
269			`report_error(mp, *mp, (cyg_uint32)pat);`
270			`}`
271			`}`
272			`pat = 0xAAAAAAAA;`
273			`for (mp = (cyg_uint32 )start; mp < (cyg_uint32 )end; mp++) {`
274			`*mp = (cyg_uint32)pat;`
275			`}`
276			`cyg_thread_delay(decay_time[i]);`
277			`for (mp = (cyg_uint32 )start; mp < (cyg_uint32 )end; mp++) {`
278			`if (*mp != (cyg_uint32)pat) {`
279			`report_error(mp, *mp, (cyg_uint32)pat);`
280			`}`
281			`}`
282			`diag_printf(" ... %d errors\n", error_count);`
283			`}`
284			`}`
285
286
287			`static void`
288			`dram_exercise(cyg_addrword_t p)`
289			`{`
290			`cyg_uint32 start_DRAM, end_DRAM;`
291			`int i;`
292
293			`CYG_TEST_INIT();`
294
295			`end_DRAM = CYGMEM_REGION_ram+CYGMEM_REGION_ram_SIZE;`
296			`start_DRAM = ((cyg_uint32)&__bss_end + 0x00000FFF) & 0xFFFFF000;`
297			`diag_printf("DRAM test - start: 0x%08x, end: 0x%08x\n", start_DRAM, end_DRAM);`
298
299			`for (i = 0; i < NUM_RUNS; i++) {`
300			`diag_printf("\n*** Start run #%d of %d\n", i+1, NUM_RUNS);`
301			`run_errors = 0;`
302			`addr_test(start_DRAM, end_DRAM);`
303			`ones_test(start_DRAM, end_DRAM);`
304			`zeros_test(start_DRAM, end_DRAM);`
305			`walking_bit_test(start_DRAM, end_DRAM);`
306			`pattern_test(start_DRAM, end_DRAM);`
307			`refresh_test(start_DRAM, end_DRAM);`
308			`decay_test(start_DRAM, end_DRAM);`
309			`diag_printf("\n*** End run, %d errors, %d total errors\n", run_errors, total_errors);`
310			`}`
311
312			`CYG_TEST_PASS_FINISH("DRAM testing complete");`
313			`}`
314
315			`externC void`
316			`cyg_start( void )`
317			`{`
318			`// Create a main thread, so we can run the scheduler and have time 'pass'`
319			`cyg_thread_create(10, // Priority - just a number`
320			`dram_exercise, // entry`
321			`0, // entry parameter`
322			`"DRAM test", // Name`
323			`&stack[0], // Stack`
324			`STACK_SIZE, // Size`
325			`&thread_handle, // Handle`
326			`&thread_data // Thread data structure`
327			`);`
328			`cyg_thread_resume(thread_handle); // Start it`
329			`cyg_scheduler_start();`
330			`} // cyg_package_start()`
331
332			`#else /* def CYGFUN_KERNEL_API_C */`
333			`# define NA_MSG "Kernel C API layer disabled"`
334			`#endif`
335
336			`#else /* def CYGPKG_KERNEL */`
337			`# define NA_MSG "No kernel"`
338			`#endif`
339
340
341			`#ifdef NA_MSG`
342			`externC void`
343			`cyg_start( void )`
344			`{`
345			`CYG_TEST_INIT();`
346			`CYG_TEST_NA(NA_MSG);`
347			`}`
348			`#endif`