release/src-rt-6.x.4708/cfe/cfe/main/cfe_savedata.c

   1 /*  *********************************************************************
   2     *  Broadcom Common Firmware Environment (CFE)
   3     *
   4     *  Data Save routine                        File: cfe_savedata.c
   5     *
   6     *  This module is used for dumping memory to an output device
   7     *
   8     *  Author:  Mitch Lichtenberg (mpl@broadcom.com)
   9     *
  10     *********************************************************************
  11     *
  12     *  Copyright 2000,2001,2002,2003
  13     *  Broadcom Corporation. All rights reserved.
  14     *
  15     *  This software is furnished under license and may be used and
  16     *  copied only in accordance with the following terms and
  17     *  conditions.  Subject to these conditions, you may download,
  18     *  copy, install, use, modify and distribute modified or unmodified
  19     *  copies of this software in source and/or binary form.  No title
  20     *  or ownership is transferred hereby.
  21     *
  22     *  1) Any source code used, modified or distributed must reproduce
  23     *     and retain this copyright notice and list of conditions
  24     *     as they appear in the source file.
  25     *
  26     *  2) No right is granted to use any trade name, trademark, or
  27     *     logo of Broadcom Corporation.  The "Broadcom Corporation"
  28     *     name may not be used to endorse or promote products derived
  29     *     from this software without the prior written permission of
  30     *     Broadcom Corporation.
  31     *
  32     *  3) THIS SOFTWARE IS PROVIDED "AS-IS" AND ANY EXPRESS OR
  33     *     IMPLIED WARRANTIES, INCLUDING BUT NOT LIMITED TO, ANY IMPLIED
  34     *     WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
  35     *     PURPOSE, OR NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT
  36     *     SHALL BROADCOM BE LIABLE FOR ANY DAMAGES WHATSOEVER, AND IN
  37     *     PARTICULAR, BROADCOM SHALL NOT BE LIABLE FOR DIRECT, INDIRECT,
  38     *     INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  39     *     (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
  40     *     GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
  41     *     BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
  42     *     OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
  43     *     TORT (INCLUDING NEGLIGENCE OR OTHERWISE), EVEN IF ADVISED OF
  44     *     THE POSSIBILITY OF SUCH DAMAGE.
  45     ********************************************************************* */
  46
  47
  48 #include "lib_types.h"
  49 #include "lib_string.h"
  50 #include "lib_queue.h"
  51 #include "lib_malloc.h"
  52 #include "lib_printf.h"
  53
  54 #include "cfe_iocb.h"
  55 #include "cfe_device.h"
  56 #include "cfe_error.h"
  57 #include "cfe_devfuncs.h"
  58
  59 #include "cfe.h"
  60 #include "cfe_fileops.h"
  61
  62 #include "cfe_loader.h"
  63
  64 /*  *********************************************************************
  65     *  Externs
  66     ********************************************************************* */
  67
  68 /*  *********************************************************************
  69     *  cfe_savedata(fsname,filename,start,end)
  70     *
  71     *  Write memory contents to the specified device
  72     *
  73     *  Input parameters:
  74     *      fsname - name of file system
  75     *      filename - name of file within file system
  76     *      start - starting address (pointer)
  77     *      end - ending address (pointer)
  78     *
  79     *  Return value:
  80     *      0 if ok, else error code
  81     ********************************************************************* */
  82 int cfe_savedata(char *fsname,char *devname,char *filename,uint8_t *start,uint8_t *end)
  83 {
  84     int res;
  85     fileio_ctx_t *fsctx;
  86     void *ref;
  87
  88     /*
  89      * Create a file system context
  90      */
  91
  92     res = fs_init(fsname,&fsctx,devname);
  93     if (res != 0) {
  94         return res;
  95         }
  96
  97     /*
  98      * Open the device
  99      */
 100
 101     res = fs_open(fsctx,&ref,filename,FILE_MODE_WRITE);
 102     if (res != 0) {
 103         fs_uninit(fsctx);
 104         return res;
 105         }
 106
 107     /*
 108      * Write the data
 109      */
 110
 111     res = fs_write(fsctx,ref,start,end-start);
 112
 113     /*
 114      * Close
 115      */
 116
 117     fs_close(fsctx,ref);
 118     fs_uninit(fsctx);
 119
 120     return res;
 121
 122 }