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+++ b/packages/kernel/current/tests/kclock1.c
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+/*=================================================================
+//
+//        kclock1.c
+//
+//        Kernel C API Clock test 1 - Real Time Clock
+//
+//==========================================================================
+//####COPYRIGHTBEGIN####
+//
+// -------------------------------------------
+// The contents of this file are subject to the Cygnus eCos Public License
+// Version 1.0 (the "License"); you may not use this file except in
+// compliance with the License.  You may obtain a copy of the License at
+// http://sourceware.cygnus.com/ecos
+// 
+// Software distributed under the License is distributed on an "AS IS"
+// basis, WITHOUT WARRANTY OF ANY KIND, either express or implied.  See the
+// License for the specific language governing rights and limitations under
+// the License.
+// 
+// The Original Code is eCos - Embedded Cygnus Operating System, released
+// September 30, 1998.
+// 
+// The Initial Developer of the Original Code is Cygnus.  Portions created
+// by Cygnus are Copyright (C) 1998 Cygnus Solutions.  All Rights Reserved.
+// -------------------------------------------
+//
+//####COPYRIGHTEND####
+//==========================================================================
+//#####DESCRIPTIONBEGIN####
+//
+// Author(s):     dsm
+// Contributors:    dsm
+// Date:          1998-03-20
+// Description:   Tests the Kernel Real Time Clock
+//                This test creates a thread, starts the scheduler and
+//                delays for a time of about 5 seconds.  This test should
+//                be expected to run for about this length of time.
+// Omissions:
+//     Doesn't test alarms attached to RTC.
+// Assumptions:
+//     CYGVAR_KERNEL_COUNTERS_CLOCK must be set.
+//     Resolution of clock small compared with 5s.
+//     Overhead small compared with 5s.
+// Options:
+//     CYGIMP_KERNEL_COUNTERS_SINGLE_LIST
+//     CYGIMP_KERNEL_COUNTERS_MULTI_LIST
+//     CYGVAR_KERNEL_COUNTERS_CLOCK
+//     CYGNUM_KERNEL_COUNTERS_MULTI_LIST_SIZE
+//####DESCRIPTIONEND####
+*/
+
+#include <cyg/kernel/kapi.h>
+
+#include <cyg/infra/testcase.h>
+
+#if defined(CYG_HAL_MIPS_SIM)
+
+// Reduce time in simulated TX39 so that
+// it runs within the timeout.
+
+#define TEST_DELAY     1000000000ll
+    
+#else
+
+#define TEST_DELAY     5000000000ll
+
+#endif    
+
+#if defined(CYGVAR_KERNEL_COUNTERS_CLOCK) \
+    && defined(CYGFUN_KERNEL_THREADS_TIMER)
+
+#ifdef CYGFUN_KERNEL_API_C
+
+#include "testaux.h"
+
+#define NTHREADS 1
+#define STACKSIZE 4096
+
+static cyg_handle_t thread[NTHREADS];
+
+static cyg_thread thread_obj[NTHREADS];
+static char stack[NTHREADS][STACKSIZE];
+
+static void entry0( cyg_addrword_t data )
+{
+    cyg_resolution_t res;
+    cyg_uint32 ticks;
+    cyg_tick_count_t count0, count1;
+    cyg_handle_t rtclock, rtcounter;
+
+    rtclock = cyg_real_time_clock();
+    cyg_clock_to_counter(rtclock, &rtcounter);
+
+    res = cyg_clock_get_resolution (rtclock);
+
+    /* RTC takes res.dividend/res.divisor ns/tick */
+    ticks = ((cyg_uint64)TEST_DELAY * res.divisor) / res.dividend;
+
+    count0 = cyg_counter_current_value(rtcounter);
+    cyg_thread_delay(ticks);
+    count1 = cyg_counter_current_value(rtcounter);
+
+    CYG_TEST_CHECK(count0+ticks <= count1,
+                   "real time clock's counter not counting");
+
+    CYG_TEST_CHECK(count1 <= cyg_current_time(),"cyg_current_time()");
+
+    CYG_TEST_PASS_FINISH("Kernel C API Clock 1 OK");
+}
+
+void kclock1_main( void )
+{
+    CYG_TEST_INIT();
+
+    cyg_thread_create(4, entry0 , (cyg_addrword_t)0, "kclock1",
+    	(void *)stack[0], STACKSIZE, &thread[0], &thread_obj[0]);
+    cyg_thread_resume(thread[0]);
+
+    cyg_scheduler_start();
+}
+
+externC void
+cyg_start( void )
+{
+    kclock1_main();
+}
+
+#else // def CYGFUN_KERNEL_API_C
+#define N_A_MSG "Kernel C API layer disabled"
+#endif // def CYGFUN_KERNEL_API_C
+#else // def CYGVAR_KERNEL_COUNTERS_CLOCK && CYGFUN_KERNEL_THREADS_TIMER
+#define N_A_MSG "Kernel real-time clock/threads timer disabled"
+#endif // def CYGVAR_KERNEL_COUNTERS_CLOCK && CYGFUN_KERNEL_THREADS_TIMER
+
+#ifdef N_A_MSG
+externC void
+cyg_start( void )
+{
+    CYG_TEST_INIT();
+    CYG_TEST_PASS_FINISH("N/A: " N_A_MSG);
+}
+#endif // N_A_MSG
+
+// EOF kclock1.c