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/*=================================================================

//

//        vipertime.cxx

//

//        PowerPC VIPER HAL timing tests

//

//==========================================================================

// ####ECOSGPLCOPYRIGHTBEGIN####

// -------------------------------------------

// This file is part of eCos, the Embedded Configurable Operating System.

// Copyright (C) 1998, 1999, 2000, 2001, 2002 Free Software Foundation, 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.,

// 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, 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 v2.

//

// This exception does not invalidate any other reasons why a work based

// on this file might be covered by the GNU General Public License.

// -------------------------------------------

// ####ECOSGPLCOPYRIGHTEND####

//==========================================================================

//#####DESCRIPTIONBEGIN####

//

// Author(s):     hmt

// Contributors:  hmt

// Date:          1999-06-01

//####DESCRIPTIONEND####

*/

#include <pkgconf/system.h>

#include <pkgconf/hal.h>

#include <cyg/infra/cyg_type.h>

#include <cyg/infra/cyg_ass.h>

#include <cyg/infra/testcase.h>

#ifdef CYGPKG_KERNEL

#include <pkgconf/kernel.h>

#ifdef CYGVAR_KERNEL_COUNTERS_CLOCK

#include <cyg/hal/hal_arch.h>

#include <cyg/hal/hal_intr.h>

#include <cyg/hal/hal_diag.h>

#include <pkgconf/infra.h>

#include <cyg/infra/diag.h>

#include <cyg/kernel/thread.hxx>

#include <cyg/kernel/thread.inl>

#include <cyg/kernel/sched.hxx>

#include <cyg/kernel/sched.inl>

// ------------------------------------------------------------------------

externC void hal_viper_flash_led( int count );

externC void hal_viper_set_led( int val );

// -------------------------------------------------------------------------

static void entry1( CYG_ADDRWORD arg )

{

    int i;

    char *s = "tick 00";

    extern Cyg_Thread thread2;

    CYG_TEST_INFO( "Starting measured seconds..." );

    for ( i = 0; i < 20 ; i++ ) {

        Cyg_Thread::self()->delay( 100 ); // units should be centiSeconds

        hal_viper_set_led( ((~i) & 7)<<1 );

        if ( '9' == s[ 6 ]++ ) {

            s[ 6 ] = '0';

            s[ 5 ] ++;

        }

        CYG_TEST_INFO( s );

    }

    CYG_TEST_PASS( "Done measured seconds..." );

    hal_viper_flash_led( 5 );

    thread2.resume();

}

//---------------------------------------------------------------

#define LOOPS 30

int loops[ LOOPS ] = { 0,0,0,0,0 , 0,0,0,0,0 ,

                       0,0,0,0,0 , 0,0,0,0,0 ,

                       0,0,0,0,0 , 0,0,0,0,0 };

char s[] = "0 count 00 loops 00000";

static void entry2( CYG_ADDRWORD arg )

{

#if 0 // Do not bother with this on PPC

    int i, t1, t2, a;

    for ( a = 0; a < 10; a++, (*s)++ ) {

        CYG_TEST_INFO( "------------------------------------------" );

        HAL_CLOCK_READ( &t1 );

        do {

            t2 = t1;

            HAL_CLOCK_READ( &t1 );

        } while ( t1 >= t2 );

        for ( i = 0; i < LOOPS; i++ ) {

            register int z = 0;

            while ( t1 <= i ) {

                z++;

                HAL_CLOCK_READ( &t1 );

            }

            loops[ i ] = z;

        }

        s[9] = '0';

        s[8] = '0';

        for ( i = 0; i < LOOPS; i++ ) {

            s[ sizeof( s ) - 2 ] = '0' + loops[ i ] / 1       % 10;

            s[ sizeof( s ) - 3 ] = '0' + loops[ i ] / 10      % 10;

            s[ sizeof( s ) - 4 ] = '0' + loops[ i ] / 100     % 10;

            s[ sizeof( s ) - 5 ] = '0' + loops[ i ] / 1000    % 10;

            s[ sizeof( s ) - 6 ] = '0' + loops[ i ] / 10000   % 10;

            CYG_TEST_INFO( s );

            if ( '9' == s[9]++ ) {

                s[9] = '0';

                s[8]++;

            }

        }

    }

#endif

    CYG_TEST_PASS( "Counted loops per timer tick" );

    CYG_TEST_EXIT( "All done" );

}

// -------------------------------------------------------------------------

static char stack1[ CYGNUM_HAL_STACK_SIZE_TYPICAL ];

static char stack2[ CYGNUM_HAL_STACK_SIZE_TYPICAL ];

static Cyg_Thread thread1     CYG_INIT_PRIORITY( APPLICATION )

 = Cyg_Thread( 2u, entry1, 0u, "timed minute thread",

               (CYG_ADDRWORD)stack1,

               (CYG_ADDRWORD)CYGNUM_HAL_STACK_SIZE_TYPICAL );

static Cyg_Thread thread2     CYG_INIT_PRIORITY( APPLICATION )

 = Cyg_Thread( 4u, entry2, 0u, "uS clock loops timing thread",

               (CYG_ADDRWORD)stack2,

               (CYG_ADDRWORD)CYGNUM_HAL_STACK_SIZE_TYPICAL );

// -------------------------------------------------------------------------

#ifdef CYGSEM_HAL_STOP_CONSTRUCTORS_ON_FLAG

externC void

cyg_hal_invoke_constructors();

#endif

externC void

cyg_user_start( void )

{

#ifdef CYGSEM_HAL_STOP_CONSTRUCTORS_ON_FLAG

    cyg_hal_invoke_constructors();

#endif

    CYG_TEST_INIT();

    CYG_TEST_INFO( "cyg_user_start()" );

    thread1.resume();

}

// -------------------------------------------------------------------------

#else  // ! CYGVAR_KERNEL_COUNTERS_CLOCK

#define N_A_MSG "no kernel clock"

#endif // CYGVAR_KERNEL_COUNTERS_CLOCK

#else  // ! CYGPKG_KERNEL

#define N_A_MSG "no kernel"

#endif // CYGPKG_KERNEL

#ifdef N_A_MSG

externC void

cyg_start( void )

{

    CYG_TEST_INIT();

    CYG_TEST_NA( N_A_MSG );

}

#endif // N_A_MSG defined ie. we are N/A.

/* EOF vipertime.cxx */