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

//

//        context.c

//

//        HAL Thread context handling test

//

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

//####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):     nickg

// Contributors:  nickg

// Date:          1998-10-07

//####DESCRIPTIONEND####

*/

#include <pkgconf/hal.h>

#include <pkgconf/infra.h>

#include <cyg/infra/testcase.h>

#include <cyg/infra/cyg_trac.h>

#include <cyg/hal/hal_arch.h>

#define CYG_TRACE_USER_BOOL 1

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

#define THREADS         4

#define STACKSIZE       (2*1024)

char stack[THREADS][STACKSIZE];

CYG_ADDRWORD sp[THREADS];

cyg_count32 switches = 0;

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

void entry0( CYG_ADDRWORD arg )

{

    CYG_TRACE1B("Thread %d started\n", arg );

    while( switches < 1000 )

    {

        HAL_THREAD_SWITCH_CONTEXT( &sp[arg], &sp[(arg+1) % THREADS] );

        CYG_TRACE1B("Thread %d resumed\n", arg );

        switches++;

    }

    CYG_TEST_PASS_FINISH("HAL Context test");

}

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

void context_main(void)

{

    int i;

    CYG_TEST_INIT();

    // Init all thread contexts:

    for( i = 0 ; i < THREADS; i++ )

    {

        sp[i] = (CYG_ADDRWORD)stack[i]+STACKSIZE;

        HAL_THREAD_INIT_CONTEXT( sp[i], i, entry0, i*0x01010000 );

    }

    // Load the first thread.

    HAL_THREAD_LOAD_CONTEXT( &sp[0] );

}

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

externC void

cyg_start( void )

{

    context_main();

}

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

/* EOF context.c */