FreeCalypso > hg > freecalypso-citrine

annotate services/ffs/cfgffs.c @ 46:38cf7fa65976

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sprintf/float.c: rounding corner case bug
author Mychaela Falconia <falcon@freecalypso.org>
date Fri, 29 Sep 2017 03:23:01 +0000
parents 75a11d740a02
children
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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 struct dev_s dev = {
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20 .base = _RAMFFS_area,
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21 .manufact = MANUFACT_RAM,
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22 .blocksize = RAMFFS_BLKSIZE_BYTES,
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23 .blocksize_ld = RAMFFS_BLKSIZE_LOG2,
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24 .driver = FFS_DRIVER_RAM,
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25 .numblocks = RAMFFS_NBLOCKS,
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26 };
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27
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28 #elif CONFIG_MOKOFFS
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29
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30 struct dev_s dev = {
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31 .base = (char *) 0x380000,
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32 .manufact = MANUFACT_SAMSUNG,
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33 .device = 0x22A0,
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34 .blocksize = 0x10000,
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35 .blocksize_ld = 16,
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36 .driver = FFS_DRIVER_AMD,
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37 .numblocks = 7,
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38 };
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39
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40 #elif CONFIG_AFTERMARKET_FFS
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41
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42 /* see ../../cfgmagic/feature.aftermarket-ffs */
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43
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44 #if CONFIG_TARGET_COMPAL
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45
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46 struct dev_s dev = {
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47 .base = (char *) (CONFIG_AFTERMARKET_FFS_START * 0x10000),
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48 .manufact = MANUFACT_INTEL,
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49 .blocksize = 0x10000,
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50 .blocksize_ld = 16,
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51 .driver = FFS_DRIVER_INTEL_SB,
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52 .numblocks = CONFIG_AFTERMARKET_FFS_NBLOCKS,
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53 };
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54
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55 #elif CONFIG_TARGET_PIRELLI || CONFIG_TARGET_FCFAM
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56
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57 struct dev_s dev = {
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58 .base = (char *) FLASH2_BASE_ADDR +
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59 CONFIG_AFTERMARKET_FFS_START * 0x40000,
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60 .manufact = MANUFACT_AMD,
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61 .blocksize = 0x40000,
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62 .blocksize_ld = 18,
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63 .driver = FFS_DRIVER_AMD,
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64 .numblocks = CONFIG_AFTERMARKET_FFS_NBLOCKS,
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65 };
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66
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67 #else
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68
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69 #error "Unknown target for CONFIG_AFTERMARKET_FFS"
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70
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71 #endif
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72
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73 #else
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74
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75 #error "No valid FFS configuration defined"
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76
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77 #endif
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78
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79 /******************************************************************************
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80 * ffs_is_modify_valid()
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81 ******************************************************************************/
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82
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83 // This is function to be implemented by the application programmer. It is
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84 // called by ffs when a read-only object is about to be modified or
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85 // removed. It should return zero if the operation should be
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86 // disallowed. Returning non-zero means go ahead.
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87 effs_t ffs_is_modifiable(const char *name)
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88 {
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89 // default is to allow any modification of read-only objects.
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90
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91 /*
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92 * TI's original code (conditioned out below) disallowed changing the
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93 * IMEI of a device. FreeCalypso follows a different philosophy:
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94 * 100% user empowerment, hence no artificial obstacles to hacking.
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95 */
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96 #if 0
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97 // example of how to disallow modifying a specific object...
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98 if (strcmp("IMEI", &name[strlen(name) - 4]) == 0)
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99 return 0;
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100 #endif
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101
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102 return 1;
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103 }