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[/] [openrisc/] [trunk/] [rtos/] [ecos-2.0/] [packages/] [cygmon/] [v2_0/] [misc/] [generic_mem.c] - Rev 27
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//========================================================================== // // generic_mem.c // // Routines for reading and writing memory. // //========================================================================== //####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): // Contributors: gthomas, dmoseley // Date: 1999-10-20 // Purpose: // Description: It may be appropriate to relay directly into the stubs // implementation of read memory, without board specific // considerations such as checking the allowed ranges of // addresses. Perhaps there needs to be some consideration // of address spaces or, masking addresses. // // This file implements a default version of reading and writing // memory when none of this is an issue // // //####DESCRIPTIONEND#### // //========================================================================= #ifdef HAVE_BSP #include <bsp/bsp.h> #include "cpu_info.h" #endif #include "board.h" #include "monitor.h" #include "tservice.h" #ifndef HAVE_BSP #include "generic-stub.h" #endif int read_memory (mem_addr_t *src, int size, int amt, char *dst) { #if defined(HAVE_BSP) && !defined(USE_ECOS_HAL_SAFE_MEMORY) return (bsp_memory_read((unsigned char *)src->addr, MEM_ADDR_ASI(src), size << 3, amt, dst) != amt); #else int totamt = size * amt; return (totamt != __read_mem_safe (dst, (void*)src->addr, totamt)); #endif } int write_memory (mem_addr_t *dst, int size, int amt, char *src) { #if defined(HAVE_BSP) && !defined(USE_ECOS_HAL_SAFE_MEMORY) return (bsp_memory_write((unsigned char *)dst->addr, MEM_ADDR_ASI(dst), size << 3, amt, src) != amt); #else int totamt = size * amt; return (totamt != __write_mem_safe (src, (void*)dst->addr, totamt)); #endif }
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