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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 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): 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 */
|
