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annotate gsm-fw/services/ffs/cfgffs.c @ 210:1d87b335fc50

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gsm-fw/services/ffs: cfgffs.c integrated
author Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
date Thu, 26 Dec 2013 04:37:10 +0000
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children fee45482aa2a
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1 /******************************************************************************
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2 * Flash File System (ffs)
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3 * Idea, design and coding by Mads Meisner-Jensen, mmj@ti.com
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4 *
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5 * FFS configuration
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6 *
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7 * $Id: cfgffs.c 1.27 Fri, 19 Dec 2003 12:00:13 +0100 tsj $
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8 *
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9 ******************************************************************************/
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10
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11 #include "../../include/config.h"
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12 #include "ffs.h"
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13 #include "drv.h"
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14 #include "ramffs.h"
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15 #include <string.h>
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16
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17 #if FFS_IN_RAM
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18
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19 extern struct block_info_s ramffs_block_info[RAMFFS_NBLOCKS];
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20
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21 struct dev_s dev = {
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22 .base = _RAMFFS_area,
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23 .binfo = ramffs_block_info,
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24 .blocksize = RAMFFS_BLKSIZE_BYTES,
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25 .blocksize_ld = RAMFFS_BLKSIZE_LOG2,
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26 .driver = FFS_DRIVER_RAM,
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27 .numblocks = RAMFFS_NBLOCKS,
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28 };
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29
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30 #elif CONFIG_MOKOFFS
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31
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32 static struct block_info_s mokoffs_blocks[7] = {
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33 { 0x00000, 16 },
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34 { 0x10000, 16 },
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35 { 0x20000, 16 },
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36 { 0x30000, 16 },
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37 { 0x40000, 16 },
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38 { 0x50000, 16 },
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39 { 0x60000, 16 }
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40 };
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41
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42 struct dev_s dev = {
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43 .base = (char *) 0x380000,
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44 .binfo = mokoffs_blocks,
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45 .blocksize = 0x10000,
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46 .blocksize_ld = 16,
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47 .driver = FFS_DRIVER_AMD,
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48 .numblocks = 7,
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49 };
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50
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51 #elif CONFIG_PIRHACK_FFS
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52
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53 /* see ../../cfgmagic/feature.pirhack-ffs */
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54
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55 static struct block_info_s pirhack_ffs_blocks[7] = {
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56 { 0x600000, 18 },
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57 { 0x640000, 18 },
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58 { 0x680000, 18 },
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59 { 0x6C0000, 18 },
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60 { 0x700000, 18 },
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61 { 0x740000, 18 },
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62 { 0x780000, 18 }
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63 };
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64
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65 struct dev_s dev = {
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66 .base = (char *) FLASH2_BASE_ADDR,
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67 .binfo = pirhack_ffs_blocks,
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68 .blocksize = 0x40000,
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69 .blocksize_ld = 18,
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70 .driver = FFS_DRIVER_AMD,
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71 .numblocks = 7,
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72 };
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73
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74 #else
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75
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76 #error "No valid FFS configuration defined"
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77
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78 #endif
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79
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80 /******************************************************************************
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81 * ffs_is_modify_valid()
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82 ******************************************************************************/
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83
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84 // This is function to be implemented by the application programmer. It is
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85 // called by ffs when a read-only object is about to be modified or
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86 // removed. It should return zero if the operation should be
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87 // disallowed. Returning non-zero means go ahead.
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88 effs_t ffs_is_modifiable(const char *name)
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89 {
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90 // default is to allow any modification of read-only objects.
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91
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92 /*
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93 * TI's original code (conditioned out below) disallowed changing the
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94 * IMEI of a device. FreeCalypso follows a different philosophy:
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95 * 100% user empowerment, hence no artificial obstacles to hacking.
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96 */
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97 #if 0
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98 // example of how to disallow modifying a specific object...
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99 if (strcmp("IMEI", &name[strlen(name) - 4]) == 0)
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100 return 0;
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101 #endif
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102
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103 return 1;
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104 }