Mercurial > ecos
view packages/hal/mn10300/am33/current/src/var_misc.c @ 76:435cced73e2f ecos-v1_3_1-release
eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
| author | jlarmour |
|---|---|
| date | Tue, 28 Mar 2000 14:10:45 +0000 |
| parents | |
| children | 6ed91473a1cd |
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//========================================================================== // // var_misc.c // // HAL CPU variant miscellaneous functions // //========================================================================== //####COPYRIGHTBEGIN#### // // ------------------------------------------- // The contents of this file are subject to the Red Hat eCos Public License // Version 1.1 (the "License"); you may not use this file except in // compliance with the License. You may obtain a copy of the License at // http://www.redhat.com/ // // Software distributed under the License is distributed on an "AS IS" // basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the // License for the specific language governing rights and limitations under // the License. // // The Original Code is eCos - Embedded Configurable Operating System, // released September 30, 1998. // // The Initial Developer of the Original Code is Red Hat. // Portions created by Red Hat are // Copyright (C) 1998, 1999, 2000 Red Hat, Inc. // All Rights Reserved. // ------------------------------------------- // //####COPYRIGHTEND#### //========================================================================== //#####DESCRIPTIONBEGIN#### // // Author(s): nickg // Contributors: nickg, jlarmour // Date: 1999-01-21 // Purpose: HAL 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/infra/cyg_trac.h> // tracing macros #include <cyg/infra/cyg_ass.h> // assertion macros #include <cyg/hal/hal_cache.h> /*------------------------------------------------------------------------*/ /* Variant specific initialization routine. */ void hal_variant_init(void) { } /*------------------------------------------------------------------------*/ /* Cache functions. */ #if 0 //!defined(CYG_HAL_MN10300_SIM) void cyg_hal_dcache_store(CYG_ADDRWORD base, int size) { volatile register CYG_BYTE *way0 = HAL_DCACHE_PURGE_WAY0; volatile register CYG_BYTE *way1 = HAL_DCACHE_PURGE_WAY1; volatile register CYG_BYTE *way2 = HAL_DCACHE_PURGE_WAY2; volatile register CYG_BYTE *way3 = HAL_DCACHE_PURGE_WAY3; register int i; register CYG_ADDRWORD state; HAL_DCACHE_IS_ENABLED(state); if (state) HAL_DCACHE_DISABLE(); way0 += base & 0x000003f0; way1 += base & 0x000003f0; way2 += base & 0x000003f0; way3 += base & 0x000003f0; for( i = 0; i < size; i += HAL_DCACHE_LINE_SIZE ) { *(CYG_ADDRWORD *)way0 = 0; *(CYG_ADDRWORD *)way1 = 0; *(CYG_ADDRWORD *)way2 = 0; *(CYG_ADDRWORD *)way3 = 0; way0 += HAL_DCACHE_LINE_SIZE; way1 += HAL_DCACHE_LINE_SIZE; way2 += HAL_DCACHE_LINE_SIZE; way3 += HAL_DCACHE_LINE_SIZE; } if (state) HAL_DCACHE_ENABLE(); } #endif /*------------------------------------------------------------------------*/ /* End of var_misc.c */
