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//==========================================================================
//
//      nmitest.c
//
//      V850 NMI test program
//
//==========================================================================
//####ECOSGPLCOPYRIGHTBEGIN####
// -------------------------------------------
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// Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
//
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// for more details.
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//
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// 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
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//####ECOSGPLCOPYRIGHTEND####
//==========================================================================
//#####DESCRIPTIONBEGIN####
//
// Author(s):    jlarmour
// Contributors: jlarmour
// Date:         2001-02-01
// Purpose:      Test NMI function
// Description:  This test allows the NMI functionality to be tested.
//               It is not built by default.
//
//####DESCRIPTIONEND####
//
//========================================================================*/
 
#include <cyg/hal/hal_intr.h>
#include <cyg/infra/diag.h>
 
#include <cyg/kernel/kapi.h>
 
int nmicount;
char stack[4096];
static cyg_handle_t thr0h;
static cyg_thread thr0;
 
void
nmi_handler(cyg_addrword_t data, cyg_code_t exception_number,
            cyg_addrword_t info)
{
    nmicount++;
}
 
static void
entry0( cyg_addrword_t data )
{
    int oldnmicount=0;
 
    cyg_exception_set_handler( CYGNUM_HAL_VECTOR_NMI,
                               &nmi_handler,
                               0,
                               NULL,
                               NULL );
    for (;;) {
        if ( oldnmicount != nmicount ) {
            diag_printf("Caught NMI\n");
            oldnmicount = nmicount;
        }
    }
}
 
void
cyg_user_start(void)
{
    cyg_thread_create(4, entry0, (cyg_addrword_t)0, "thread 0",
                      (void *)&stack[0], sizeof(stack), &thr0h, &thr0 );
    cyg_thread_resume(thr0h);
}
 
// EOF nmitest.c