//===========================================================================
//
//      hal_priv.c
//
//      SPARC ERC32 Architecture sim-specific private variables
//
//===========================================================================
// ####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:         1999-02-20
// Purpose:      private vars for SPARC ERC32.
//              
//####DESCRIPTIONEND####
//
//===========================================================================


#include <cyg/hal/hal_intr.h>
#include <cyg/hal/hal_arch.h>

// ------------------------------------------------------------------------
// Clock static to keep period recorded.
cyg_int32 cyg_hal_sparc_clock_period = 0;

// ------------------------------------------------------------------------
// Board specific startups.

extern void hal_board_prestart( void );
extern void hal_board_poststart( void );

void hal_board_prestart( void )
{
}

void hal_board_poststart( void )
{
    HAL_ENABLE_INTERRUPTS();
    // OK to do this post constructors, and good for testing.
}

cyg_uint32
hal_lsbit_index(cyg_uint32 mask)
{
    int i;
    for (i = 0;  i < 32;  i++) {
	if (mask & (1<<i)) return ((cyg_uint32)i);
    }
    return ((cyg_uint32)-1);
}

cyg_uint32
hal_msbit_index(cyg_uint32 mask)
{
    int i;
    for (i = 31;  i >= 0;  i--) {
        if (mask & (1<<i)) return ((cyg_uint32)i);
    }
    return ((cyg_uint32)-1);
}

void
hal_idle_thread_action(cyg_uint32 loop_count)
{
    *((volatile cyg_uint32 *) 0x01f80008) = 0;
}


// EOF hal_priv.c
