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[/] [openrisc/] [trunk/] [rtos/] [ecos-3.0/] [packages/] [hal/] [mips/] [idt32334/] [current/] [src/] [var_misc.c] - Blame information for rev 786

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1 786 skrzyp
//==========================================================================
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//
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//      var_misc.c
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//
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//      HAL implementation miscellaneous functions
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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):    tmichals
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// Contributors: tmichals
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// Date:         2002-09-20
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// Purpose:      IDT 3233x variant miscellaneous functions
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// Description:  This file contains miscellaneous functions provided by the
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//               HAL.
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//
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//####DESCRIPTIONEND####
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//
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//==========================================================================
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#include <pkgconf/hal.h>
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#include <cyg/infra/cyg_type.h>         // Base types
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#include <cyg/hal/hal_intr.h>
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#include <cyg/hal/hal_cache.h>          // Cache handling
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/*------------------------------------------------------------------------*/
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// Array which stores the configured priority levels for the configured
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// interrupts.
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volatile CYG_BYTE hal_interrupt_level[CYGNUM_HAL_ISR_COUNT];
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/*------------------------------------------------------------------------*/
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void hal_variant_init(void)
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{
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    hal_IRQ_init();
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}
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void hal_c_cache_init(unsigned long config1_val)
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{
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    volatile unsigned val;
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    HAL_DCACHE_INVALIDATE_ALL();
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    HAL_ICACHE_INVALIDATE_ALL();
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    // enable cached KSEG0
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    asm volatile("mfc0 %0,$16;" : "=r"(val));
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    val &= ~3;
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    asm volatile("mtc0 %0,$16;" : : "r"(val));
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}
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void hal_icache_sync(void)
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{
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    HAL_ICACHE_INVALIDATE_ALL();
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}
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void hal_dcache_sync(void)
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{
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    HAL_DCACHE_INVALIDATE_ALL();
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}
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/*------------------------------------------------------------------------*/
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/* End of var_misc.c                                                      */

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