FreeCalypso > hg > fc-selenite

annotate doc/Compiling @ 118:225e39652387

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TMS470 build system: added m0-to-bin-c155
author Mychaela Falconia <falcon@freecalypso.org>
date Wed, 07 Nov 2018 06:18:05 +0000
parents a68c6c7942d7
children 4238e3220682
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1 Selecting and preparing the compiler environment
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2 ================================================
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3
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4 FreeCalypso Selenite firmware can be built with two different compiler
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5 toolchains: either with TI's original TMS470 compiler or with gcc. Transition
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6 to compiling with gcc is a very bold move with very heavy fallout, and many
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7 parts of the fw are still broken or destabilized when built with gcc instead of
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8 the original compiler they were developed with, thus for the foreseeable future,
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9 anyone who aspires to be a FreeCalypso developer will need to compile our fw in
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10 both ways, compare the behaviour of the two versions, and work toward making
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11 the gcc-built version perform as well as the TMS470-built one. Thus you need
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12 to have both compiler toolchains installed and working - see the
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13 Toolchain-setup-470 and Toolchain-setup-gcc articles for the instructions.
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14
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15 Compiling the local helper utilities
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16 ====================================
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17
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18 (cd helpers; make)
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19
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20 Do the above. Most of the build helper scripts used in the FC Selenite build
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21 system are written in Bourne shell, but a few were easier to implement in C.
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22 You need to compile these C helper utilities before you can run an actual FC
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23 Selenite firmware build, but these utilities are totally ad hoc and specific
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24 to the needs of our fw build system, hence they are not meant to be installed
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25 globally on your system - instead they stay within the fc-selenite tree. You
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26 just need to run make in the helpers directory once before any actual firmware
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27 builds.
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28
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29 Actually building the firmware
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30 ==============================
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31
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32 To build our FC Selenite firmware for your hw target of interest in the default
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33 configuration, run a command like this from the top level of the fc-selenite
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34 tree:
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35
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36 ./configure-gcc.sh fcdev3b
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37
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38 or
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39
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40 ./configure-tms470.sh fcdev3b
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41
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42 As of this writing, the following hardware targets are supported:
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43
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44 c11x Motorola C11x/12x
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45 c139 Motorola C139/140
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46 fcdev3b FreeCalypso FCDEV3B
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47 gtamodem The Calypso GSM/GPRS modem in Openmoko GTA01/02 smartphones
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48 pirelli Pirelli DP-L10
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49
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50 Notice the difference from FC Magnetite: there is no "configuration name"
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51 argument after the target name. Because FC Selenite does not include any UI
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52 code (modem functionality only) and does not offer different versions of
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53 various fw components the way Magnetite does, it does not have named
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54 configurations in the same sense as Magnetite. Instead any configuration
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55 tweaks are done via var=value optional arguments on the configure command line
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56 after the required target name argument; the following variables are currently
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57 available for tweaking:
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58
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59 ALLOW_CSIM_GSM
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60
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61 Per TI's original design, the AT+CSIM command does not allow GSM APDUs
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62 of class 0xA0. Openmoko found some need for them, and they patched
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63 their modem fw to allow these APDUs with AT+CSIM. With our new hybrid
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64 modem fw this policy setting is configurable at build time; the default
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65 is ALLOW_CSIM_GSM=1 (GSM APDUs allowed).
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66
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67 DISABLE_SLEEP
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68
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69 The general default is DISABLE_SLEEP=0, and the firmware automatically
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70 enables all of the chipset's available sleep modes on boot. Setting
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71 DISABLE_SLEEP=1 causes all sleep modes to be disabled by default on
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72 boot (they can still be enabled with the AT%SLEEP command); this
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73 setting is needed for FCDEV3B V1 boards that have a hardware bug that
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74 causes breakage when sleep modes are enabled.
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75
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76 FCHG_STATE
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77
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78 This setting enables or disables the FCHG battery charging driver. By
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79 default it is enabled on targets that have battery charging hardware
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80 (c11x, c139, pirelli) and disabled on those that don't have such hw
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81 (fcdev3b, gtamodem).
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82
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83 GPRS
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84
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85 Self-explanatory: enables or disables GPRS. By default GPRS is enabled
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86 on proper modem hw targets (fcdev3b and gtamodem) and disabled on c11x,
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87 c139 and pirelli.
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88
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89 L1_DYN_DSP_DWNLD
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90
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91 This setting enables TI's dynamic DSP patch download mechanism. When
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92 the firmware is built for a Calypso target with DSP ROM version 36 in
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93 the silicon (all FreeCalypso-made hw and most of the supported legacy
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94 targets), L1_DYN_DSP_DWNLD is enabled by default and needs to be kept
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95 enabled for correct operation: the patch code we got from TI for this
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96 ROM is the dynamic download version, and the ARM-side L1 code expects
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97 all of these patches to be present, both the static part and the
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98 dynamic parts. However, one can build our fw with L1_DYN_DSP_DWNLD=0
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99 for experimental testing, to see what breaks when the dynamic patches
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100 are omitted.
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101
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102 L1_VOICE_MEMO_AMR
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103
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104 This setting enables or disables support in L1 and in the RiViera Audio
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105 Service for AMR voice memo recording and playback. This code has not
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106 been properly studied yet and no test AT commands are provided for it,
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107 but it is enabled by default like in TI's original TCS211 fw.
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108
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109 MELODY_E2
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110
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111 This setting enables or disables support in L1 and in the RiViera Audio
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112 Service for playing E2-format melodies. The default is MELODY_E2=1
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113 like in TI's original TCS211 fw. Note that Melody E1 support is always
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114 enabled; setting MELODY_E2=0 disables only Melody E2, but not E1.
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115
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116 MEMSUPER
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117
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118 This setting enables the memory supervision feature in TI's GPF and in
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119 the G23M protocol stack built on top of it. This code has not been
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120 properly studied yet; play with it at your own risk.
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121
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122 SERIAL_DYNAMIC_SWITCH
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123
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124 TI's TCS211 fw includes a provision (only for Bluetooth-enabled fw in
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125 TI's original) to switch one UART between the AT command interface and
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126 RVTMUX while the other UART is fixed for Bluetooth. In FreeCalypso we
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127 have changed this code to work without Bluetooth, for the purpose of
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128 switching the user-facing MODEM UART between AT commands and RVTMUX,
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129 but the mechanism does not work properly yet and is disabled by default.
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130 Enable it with SERIAL_DYNAMIC_SWITCH=1 if you would like to play with
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131 it.
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132
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133 SPEECH_RECO
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134
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135 This setting enables or disables support in L1 and in the RiViera Audio
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136 Service for TI's speech recognition mechanism. This code and the
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137 underlying DSP facility itself have not been properly studied yet and
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138 no test AT commands are provided for it, but it is enabled by default
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139 like in TI's original TCS211 fw.
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140
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141 SRVC
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142
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143 TI's original config variable, selects the presence or absence of data
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144 services other than GPRS as follows:
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145
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146 SRVC=0: voice and SMS only
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147 SRVC=1: CSD and fax enabled
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148 SRVC=2: CSD enabled, but not fax
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149
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150 The default is SRVC=1 (fax and data enabled) for proper modem hw targets
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151 (fcdev3b and gtamodem) and SRVC=0 (voice and SMS only) on c11x, c139
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152 and pirelli.
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153
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154 SUFFIX
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155
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156 This setting is solely for configuration management. If you make a
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157 build with any of the settings described in this document changed from
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158 the default, you should also pass a SUFFIX=-xxx argument so your special
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159 build will be appropriately identified in the build directory name and
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160 in the firmware version ID string compiled into the image. The naming
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161 of suffixes is up to you, but here are some examples:
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162
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163 L1_DYN_DSP_DWNLD=0 SUFFIX=-nodyn
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164 MELODY_E2=0 SUFFIX=-noe2
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165 MEMSUPER=2 SUFFIX=-ps
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166 SERIAL_DYNAMIC_SWITCH=1 SUFFIX=-sds
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167 SPEECH_RECO=0 SUFFIX=-nosr
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168 TR_BAUD_CONFIG=TR_BAUD_812500 SUFFIX=-812500
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169
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170 TR_BAUD_CONFIG
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171
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172 The value of this symbol is an alphanumeric keyword of the form
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173 TR_BAUD_xxxxxx; the default is TR_BAUD_115200. See
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174 src/cs/drivers/drv_core/uart/traceswitch.h for the available baud rate
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175 choices; the most practical use is setting TR_BAUD_CONFIG=TR_BAUD_812500
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176 when you need to run the RVTMUX serial channel at the maximum possible
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177 baud rate.
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178
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179 Each configuration is built in its own directory; the name of this build
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180 directory always begins with build- and is constructed to reflect the
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181 configuration. The auto-generated build directory name includes the name of
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182 the target, the selection of services to be included based on the GPRS, SRVC
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183 and FCHG_STATE variables, and a -470 or -gcc suffix indicating the compiler
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184 toolchain, but if you manually override any of the other config variables
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185 described above, you should also include a SUFFIX=-xxx argument giving an
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186 identifying suffix for your own configuration changes.
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187
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188 To actually compile the firmware, cd into the created build directory and run
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189 make there. With gcc the build proceeds very fast because the compiler runs
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190 natively, but building with the original TMS470 compiler requires going through
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191 Wine, which is much slower. There is, however, a trick to speed up these
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192 TMS470 builds: if you run some other Wine program that stays open and does not
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193 exit on its own (e.g., wine cmd) in another window and leave it open while you
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194 run your Selenite TMS470 build, the build will proceed much faster - the
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195 presence of another Wine process using the wineserver environment will keep
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196 Wine from shutting this environment down and restarting it for every individual
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197 cl470 run, i.e., for each individual C source file.
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198
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199 When the build is done, the flashable firmware image will be in fwimage.bin.
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200 This image is to be flashed with fc-loadtool at address 0x10000 on Mot C11x and
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201 C139 targets, and at address 0 on the more sensible targets that have the
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202 Calypso boot ROM enabled. The build system also produces a short text file
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203 named flash-script which is a flashing command script for fc-loadtool that
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204 erases the correct range of flash sectors and then programs fwimage.bin at the
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205 right address.
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206
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207 When building firmware for the FCDEV3B or for the Pirelli, one can build either
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208 a flashable image or a RAM-loadable one - or both. Because this part of the
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209 build system is common with other targets for which only flash images can be
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210 produced, the Makefile always builds the flashable image by default -
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211 fwimage.bin is always meant for flash and never for RAM. To build a RAM-
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212 loadable image when the target allows it, run 'make ram' - the image will be in
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213 ramimage.srec, which you can then load and run on the target with FreeCalypso
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214 host tool fc-xram.
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215
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216 Running on the hardware
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217 =======================
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218
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219 In order to run the firmware you have built on your FCDEV3B or other Calypso
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220 device (flash or run in RAM as appropriate), you will need to use FreeCalypso
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221 host tools. As of this writing, the latest packaged release is this one:
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222
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223 ftp://ftp.freecalypso.org/pub/GSM/FreeCalypso/fc-host-tools-r8.tar.bz2