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[/] [openrisc/] [trunk/] [rtos/] [ecos-2.0/] [packages/] [hal/] [mips/] [idt32334/] [v2_0/] [src/] [var_misc.c] - Blame information for rev 831

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//==========================================================================
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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 Red Hat, 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 version.
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//
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// eCos is distributed in the hope that it will be useful, but WITHOUT ANY
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// 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 along
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// with eCos; if not, write to the Free Software Foundation, Inc.,
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// 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
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//
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// As a special exception, if other files instantiate templates or use macros
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// or inline functions from this file, or you compile this file and link it
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// with other works to produce a work based on this file, this file does not
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// by itself cause the resulting work to be covered by the GNU General Public
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// License. However the source code for this file must still be made available
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// in accordance with section (3) of the GNU General Public License.
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//
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// This exception does not invalidate any other reasons why a work based on
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// this file might be covered by the GNU General Public License.
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//
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// Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
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// at http://sources.redhat.com/ecos/ecos-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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