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[/] [openrisc/] [trunk/] [rtos/] [ecos-3.0/] [packages/] [hal/] [mips/] [idt32334/] [current/] [src/] [var_misc.c] - Rev 786

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//==========================================================================
//
//      var_misc.c
//
//      HAL implementation miscellaneous functions
//
//==========================================================================
// ####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):    tmichals
// Contributors: tmichals
// Date:         2002-09-20
// Purpose:      IDT 3233x variant miscellaneous functions
// Description:  This file contains miscellaneous functions provided by the
//               HAL.
//
//####DESCRIPTIONEND####
//
//==========================================================================
 
#include <pkgconf/hal.h>
 
#include <cyg/infra/cyg_type.h>         // Base types
 
#include <cyg/hal/hal_intr.h>
#include <cyg/hal/hal_cache.h>          // Cache handling
 
/*------------------------------------------------------------------------*/
// Array which stores the configured priority levels for the configured
// interrupts.
 
volatile CYG_BYTE hal_interrupt_level[CYGNUM_HAL_ISR_COUNT];
 
/*------------------------------------------------------------------------*/
 
void hal_variant_init(void)
{
    hal_IRQ_init();
}
 
void hal_c_cache_init(unsigned long config1_val)
{
    volatile unsigned val;
 
    HAL_DCACHE_INVALIDATE_ALL();
    HAL_ICACHE_INVALIDATE_ALL();
 
    // enable cached KSEG0
    asm volatile("mfc0 %0,$16;" : "=r"(val));
    val &= ~3;
    asm volatile("mtc0 %0,$16;" : : "r"(val));
}
 
void hal_icache_sync(void)
{
    HAL_ICACHE_INVALIDATE_ALL();
}
 
void hal_dcache_sync(void)
{
    HAL_DCACHE_INVALIDATE_ALL();
}
 
/*------------------------------------------------------------------------*/
/* End of var_misc.c                                                      */
 

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