FreeCalypso > hg > freecalypso-tools

annotate INSTALL @ 477:58d3a0634272

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target-utils/*/Makefile: better construct for crt0.S symlink
author Mychaela Falconia <falcon@freecalypso.org>
date Wed, 13 Feb 2019 06:21:42 +0000
parents c08ff097b2aa
children f33d050eac6e
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1 Building and installing FreeCalypso host tools
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2 ==============================================
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3
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4 Our FreeCalypso host tools are designed to be installed in the /opt/freecalypso
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5 directory hierarchy on your system. The author of this software is very
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6 old-fashioned and refuses to use autotools (sorry, we aren't GNU), hence
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7 various hard-coded paths under /opt/freecalypso are sprinkled in bazillion
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8 places - thus changing this fixed install location is deemed to be impractical.
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9 See PACKAGING and doc/opt-freecalypso-tree for more notes on this subject.
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11 In order to compile and install our host tools, follow these steps:
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13 1: Run 'make' as a regular user (not root) to compile the software.
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15 2: Decide if you prefer to have the /opt/freecalypso directory and everything
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16 under it to be owned by root or by your non-root uid.
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18 If you prefer /opt/freecalypso to be root-owned:
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20 3A: Run 'make install' as root; the install rule in the
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21 Makefile will do mkdir -p /opt/freecalypso as its first step.
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23 4A: You are done!
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24
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25 If you prefer /opt/freecalypso to be owned by your "regular" non-root uid:
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27 3B: Become root just to create the /opt/freecalypso directory and chown it
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28 to your non-root uid.
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30 4B: Run 'make install' as your regular uid; it should succeed because you
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31 should have made yourself the owner of /opt/freecalypso with full write
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32 permission in the previous step.
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34 5B: You are done!
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36 The host tool binaries will be installed in /opt/freecalypso/bin; you can
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37 either add this directory to your PATH or make symlinks from /usr/bin or
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38 /usr/local/bin or wherever.
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39
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40 Dependencies
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41 ============
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43 All FreeCalypso host tools are written in plain C and have absolutely no
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44 library dependencies beyond libc. In other words, they are very friendly to
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45 those who like bare bones minimalist systems.
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47 The previous dependency on OpenSSL libraries for DES decryption of the factory
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48 IMEI record on the Pirelli DP-L10 has been eliminated by incorporating our own
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49 simple DES implementation (performance is not a concern for the one time
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50 operation of retrieving the factory IMEI) into our rvinterf/etmsync source, and
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51 the functions that require access to Pirelli's IMEI have now been integrated
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52 into fc-fsio.
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54 Previous versions of this FC host tools package included a UI development aid
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55 utility called fc-lcdemu which needs libX11 to compile and an X11 display to
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56 run; this utility has now been moved to a separate freecalypso-ui-dev
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57 repository and is no longer a part of the core FC host tools package.
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59 CC= and CFLAGS= selection
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60 =========================
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61
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62 Our Makefile hierarchy is set up to build with CC=gcc and CFLAGS=-O2 by default.
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63 If you need to change either or both of these selections, you can do it by
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64 adding CC= and/or CFLAGS= on the make invokation line, for example:
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66 make CC=mygcc CFLAGS="-g -O2 -whatever-options"
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68 libserial and Linux specifics
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69 =============================
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70
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71 We have our own private library called libserial which contains our serial port
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72 handling code (serial ports are what we use to talk to Calypso GSM devices),
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73 and this library exists in several different versions. At the top level of our
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74 source tree libserial is a symlink to one of libserial-* versions.
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76 Starting with fc-host-tools-r7, the default version of libserial (i.e., the
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77 version to which the libserial symlink points in the official release source)
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78 is libserial-newlnx. This version of libserial has the advantage of supporting
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79 high GSM baud rates (see doc/High-speed-serial) with FTDI adapters without
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80 needing a dirty patch to the in-kernel driver, but it comes at the price of
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81 being very specific to Linux. If you would like to run FreeCalypso host tools
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82 under FreeBSD, illumos or some other alternative-to-Linux OS, see the section
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83 titled "Support for other Unix flavors" in the doc/High-speed-serial article.
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84
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85 Target binaries
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86 ===============
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87
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88 If you are installing a packaged release of FreeCalypso host tools, there will
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89 be a number of prebuilt target binaries (code to be run on the Calypso ARM7
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90 processor) in the target-bin directory; when you run make install as instructed
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91 above, these target binaries will be installed in /opt/freecalypso/target-bin.
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92 Otherwise, you will need to compile them yourself using an ARM7 toolchain as
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93 detailed below.
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94
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95 Building and installing the ARM7 toolchain
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96 ==========================================
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97
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98 The current "official" GNU ARM toolchain for FreeCalypso consists of
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99 binutils-2.21.1, gcc-4.5.4 and newlib-2.0.0 with a specific set of patches and
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100 build configuration options. This toolchain is used to compile target-utils in
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101 this package as well as our separately-maintained experimental FC Selenite
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102 firmware. (Our production firmwares are currently built with TI's TMS470
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103 toolchain instead.) Build it as follows:
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104
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105 1. Download these 3 source tarballs for the standard GNU+newlib components:
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106
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107 binutils-2.21.1a.tar.bz2
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108 gcc-core-4.5.4.tar.bz2
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109 newlib-2.0.0.tar.gz
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111 2. Run the build+install.sh script in the toolchain directory. Read the
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112 comments in the script first for the usage instructions.
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114 The toolchain thus built will need to be in your PATH before you can compile
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115 target-utils or FC Selenite. The officially recommended install location for
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116 this toolchain is /opt/freecalypso/gcc.
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118 Please note: the toolchain that is prescribed for FreeCalypso as above is
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119 *believed* to be equivalent to the one used by OsmocomBB, but there are no
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120 guarantees. Use any other toolchain at your own risk.
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121
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122 Compiling target-utils
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123 ======================
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124
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125 Running 'make' in the target-utils tree with the ARM7 toolchain present in your
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126 PATH will result in several target binaries being built, including compalstage
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127 and loadagent which are needed in order to use FreeCalypso loadtools. Run
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128 'make install' to install these target binaries in /opt/freecalypso/target-bin,
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129 which is where loadtools will look for them.
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130
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131 Run 'make all' in target-utils to build some additional target code pieces that
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132 are needed only for development and only very rarely.
475
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133
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134 Staged installs
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135 ===============
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136
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137 As already explained above, our FC host tools need to be installed under
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138 /opt/freecalypso on your system in order to function correctly, and this runtime
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139 location is not changeable. However, some users have requested an ability to
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140 do a staged install: have the 'make install' operation install the finished
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141 tree of files in some staging location, with the expectation that it will be
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142 subsequently moved to /opt/freecalypso by some other mechanism. One use case
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143 that has been presented to us was automated building of binary distribution
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144 packages on a build host where writing to /opt/freecalypso is not allowed.
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145
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146 If you need to make a staged install of this sort, you can do it like this:
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147
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148 make install INSTALL_PREFIX=/home/me/my-fc-staging-area
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149
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150 Please note that this INSTALL_PREFIX= scheme changes *only* the location where
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151 'make install' will deposit the installable files; it does NOT change the
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152 location where our programs will look for other programs and helper files: the
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153 latter location is hard-coded as /opt/freecalypso is bazillion places throughout
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154 our code base.