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[/] [openrisc/] [trunk/] [rtos/] [ecos-2.0/] [packages/] [hal/] [mips/] [idt32334/] [v2_0/] [src/] [var_misc.c] - Rev 831
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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 Red Hat, 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., // 59 Temple Place, Suite 330, Boston, MA 02111-1307 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. // // This exception does not invalidate any other reasons why a work based on // this file might be covered by the GNU General Public License. // // Alternative licenses for eCos may be arranged by contacting Red Hat, Inc. // at http://sources.redhat.com/ecos/ecos-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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