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[/] [openrisc/] [trunk/] [rtos/] [ecos-3.0/] [packages/] [hal/] [sparc/] [leon/] [current/] [src/] [hal_priv.c] - Blame information for rev 786

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1 786 skrzyp
//===========================================================================
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//
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//      hal_priv.c
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//
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//      SPARC Architecture LEON-specific private variables
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//
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//===========================================================================
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// ####ECOSGPLCOPYRIGHTBEGIN####                                            
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// -------------------------------------------                              
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// This file is part of eCos, the Embedded Configurable Operating System.   
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// Copyright (C) 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
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//
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// eCos is free software; you can redistribute it and/or modify it under    
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// the terms of the GNU General Public License as published by the Free     
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// Software Foundation; either version 2 or (at your option) any later      
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// version.                                                                 
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//
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// eCos is distributed in the hope that it will be useful, but WITHOUT      
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// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or    
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// FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License    
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// for more details.                                                        
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//
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// You should have received a copy of the GNU General Public License        
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// along with eCos; if not, write to the Free Software Foundation, Inc.,    
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// 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.            
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//
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// As a special exception, if other files instantiate templates or use      
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// macros or inline functions from this file, or you compile this file      
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// and link it with other works to produce a work based on this file,       
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// this file does not by itself cause the resulting work to be covered by   
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// the GNU General Public License. However the source code for this file    
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// must still be made available in accordance with section (3) of the GNU   
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// General Public License v2.                                               
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//
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// This exception does not invalidate any other reasons why a work based    
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// on this file might be covered by the GNU General Public License.         
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// -------------------------------------------                              
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// ####ECOSGPLCOPYRIGHTEND####                                              
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//===========================================================================
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//#####DESCRIPTIONBEGIN####
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//
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// Author(s):    hmt
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// Contributors: hmt
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// Date:         1999-02-20
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// Purpose:      private vars for LEON processor.
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//              
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//####DESCRIPTIONEND####
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//
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//===========================================================================
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#include <cyg/hal/hal_intr.h>
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#include <cyg/hal/hal_arch.h>
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// ------------------------------------------------------------------------
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// Clock static to keep period recorded.
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cyg_int32 cyg_hal_sparc_clock_period = 0;
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// ------------------------------------------------------------------------
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// Board specific startups.
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extern void hal_board_prestart( void );
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extern void hal_board_poststart( void );
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void hal_board_prestart( void )
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{
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}
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void hal_board_poststart( void )
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{
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    HAL_ENABLE_INTERRUPTS();
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    // OK to do this post constructors, and good for testing.
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}
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cyg_uint32
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hal_lsbit_index(cyg_uint32 mask)
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{
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    int i;
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    for (i = 0;  i < 32;  i++) {
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        if (mask & (1<<i)) return ((cyg_uint32)i);
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    }
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    return ((cyg_uint32)-1);
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}
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cyg_uint32
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hal_msbit_index(cyg_uint32 mask)
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{
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    int i;
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    for (i = 31;  i >= 0;  i--) {
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        if (mask & (1<<i)) return ((cyg_uint32)i);
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    }
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    return ((cyg_uint32)-1);
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}
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void
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hal_idle_thread_action(cyg_uint32 loop_count)
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{
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    *((volatile cyg_uint32 *) 0x80000018) = 0;
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}
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// EOF hal_priv.c

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