FreeCalypso > hg > freecalypso-tools

annotate loadtools/old/README.old @ 1011:6d9b10633f10

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etmsync Pirelli IMEI retrieval: fix poor use of printf() Bug reported by Vadim Yanitskiy <fixeria@osmocom.org>: the construct where a static-allocated string was passed to printf() without any format arguments causes newer compilers to report a security problem. Given that formatted output is not needed here, just fixed string output, change printf() to fputs(), and direct the error message to stderr while at it.
author Mychaela Falconia <falcon@freecalypso.org>
date Thu, 23 May 2024 17:29:57 +0000
parents 62a91abc0300
children
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1 The set of host tools built in this directory consists of:
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2
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3 fc-loadtool The tool for operating on Calypso GSM devices at a low
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4 level. After "breaking" into the target GSM device in
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5 its boot process and getting FreeCalypso loadagent
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6 running on the target (out of Calypso internal RAM, aka
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7 IRAM), loadtool presents an interactive command prompt
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8 with commands for peeking and poking registers and most
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9 importantly, reading and writing any part of the
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10 device's non-volatile flash memory.
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12 fc-iram & fc-xram These utilities are intended for FreeCalypso developers
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13 only. They load an S-record code image into IRAM or
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14 XRAM, respectively, induce a transfer of control to the
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15 loaded code, and then drop into a serial line pass-thru
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16 mode for the operator to interact with the thus loaded
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17 target code.
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18
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19 The currently supported target devices are the Compal family of basic
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20 dumbphones, the Openmoko GTA0x GSM modem and the Pirelli DP-L10 feature phone.
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21
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22 All tools in the FreeCalypso loadtools suite work by feeding pieces of code to
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23 the target device as it boots, preventing the booting of its regular firmware
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24 and diverting control to these externally-loaded code pieces. These pieces of
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25 ARM7 target code need to be installed on the host system running loadtools,
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26 normally in /usr/local/share/freecalypso:
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28 loadagent This is the "agent" code that runs on the target device when
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29 fc-loadtool is operating on it: loadtool carries out its
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30 operations by sending commands to loadagent. There is only one
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31 version of loadagent for all currently supported Calypso
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32 targets: loadagent does not access any resources outside of the
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33 Calypso chip itself unless commanded to do so, and loadtool
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34 supports different target devices with different hardware
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35 configurations by sending different commands to loadagent as
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36 appropriate.
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37
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38 compalstage For Compal phones only: a little piece of code that is fed to
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39 the original fw's bootloader via the serial download protocol
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40 provided by the latter; it re-enables the Calypso chip boot ROM
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41 and jumps to it, allowing our loadagent to be loaded in the
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42 same way as on freedom-enabled devices.
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43
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44 If you are working with a development snapshot of the freecalypso-tools source
0
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45 tree, you will need to compile and install a GNU cross-compiler toolchain
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46 targeting ARM7 (see ../toolchain) and then use that toolchain to compile
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47 loadagent and compalstage (see ../target-utils) before you can successfully use
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48 loadtools to operate on a target device. End-user oriented releases of
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49 FreeCalypso host tools will include prebuilt loadagent and compalstage binaries
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50 in the target-binaries subdirectory.
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51
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52 Installing
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53 ==========
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54
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55 Just run 'make' and 'make install' as usual. If the target-binaries directory
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56 is present, your installation will be complete and ready to use. If you are
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57 building these pieces yourself from source, do a 'make' and 'make install' in
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58 ../target-utils, after you have the ARM7 gcc toolchain installed and working.
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59
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60 Basic usage
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61 ===========
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62
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63 The steps for bringing up fc-loadtool to operate on a target Calypso device are
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64 as follows:
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65
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66 1. If you are using a USB serial adapter, or operating on a Pirelli phone that
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67 has one built in, connect the USB side first so that the necessary
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68 /dev/ttyUSB* device node appears.
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69
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70 2. Run fc-loadtool like this:
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71
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72 fc-loadtool $TARGETOPT /dev/ttyXXX
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74 Change /dev/ttyXXX to the actual serial port you are using, and change
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75 $TARGETOPT to:
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76
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77 Device Needed options
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78 -----------------------------------
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79 Mot C11x/123 -h compal
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80 Mot C139/140 -h compal -c 1004
0
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81 Mot C155/156 -h c155
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82 Openmoko GTA02 -h gta02
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83 Pirelli DP-L10 -h pirelli
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84
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85 3. Cause the target device to execute its boot path. Openmoko GTA0x and
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86 Pirelli DP-L10 targets have the Calypso boot ROM enabled, and will interrupt
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87 and divert their normal boot path when they "hear" the beacons which
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88 fc-loadtool will be sending down the serial line. Compal phones have this
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89 boot ROM disabled at the board level, but their standard firmware includes a
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90 flash-resident bootloader that offers a different way of interrupting the
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91 boot path and loading code over the serial line; fc-loadtool will be set up
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92 to speak the latter protocol when run with the corresponding options from
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93 the table above.
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94
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95 You will see messages showing fc-loadtool's progress with feeding first
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96 compalstage (if needed), then loadagent (always needed) to the target device,
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97 followed by some target-specific initialization done via loadagent commands.
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98 If all of the above succeeds, you will land at a loadtool> prompt. Type
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99 'help', and it will guide you from there. Alternatively, you can familiarize
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100 yourself with loadtool commands and operations without actually running it by
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101 reading the loadtool.help text file.
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102
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103 Command line options
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104 ====================
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105
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106 The fc-loadtool command lines shown above will usually be sufficient. However,
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107 here is the complete command line description for all 3 tools:
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108
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109 fc-iram [options] ttyport iramimage.srec
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110 fc-xram [options] ttyport xramimage.srec [2ndprog]
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111 fc-loadtool [options] ttyport
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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112
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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113 The available options are common for all 3 utilities, with a few noted
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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114 exceptions:
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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115
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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116 -a /path/to/loadagent
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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117
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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118 This option applies only to fc-loadtool and fc-xram. It specifies the
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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119 pathname at which the required loadagent.srec image should be sought,
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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120 overriding the compiled-in default.
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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121
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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122 -b baud
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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123
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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124 This option is common for all 3 utilities. It selects the baud rate
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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125 to be used when pushing the IRAM image to the Calypso boot ROM. In the
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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126 case of fc-iram, the selected baud rate will be in effect when the
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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127 loaded IRAM image is jumped to and fc-iram drops into the serial tty
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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128 pass-thru mode; in the case of fc-loadtool, it will be the initial baud
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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129 rate for communicating with loadagent, which can be switched later with
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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130 the baud command. The default is 115200 baud.
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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131
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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132 -B baud
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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133
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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134 This option is specific to fc-xram. It selects the baud rate to be
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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135 used when pushing the XRAM image to loadagent. If no -B option is
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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136 specified, fc-xram will communicate with loadagent at the same baud
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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137 rate that was used to load loadagent itself via the Calypso boot ROM
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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138 download protocol, i.e., the rate selected with -b, defaulting to
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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139 115200 baud if no -b option was given either. Neither -b nor -B
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Mychaela Falconia <falcon@freecalypso.org>
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140 affects the baud rate that will be in effect when the loaded XRAM image
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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141 is jumped to and fc-xram drops into the serial tty pass-thru mode: that
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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142 baud rate independently defaults to 115200 baud and can only be changed
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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143 with the -r option.
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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144
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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145 -c <compalstage flavor>
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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146
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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147 This option is common for all 3 utilities. It directs the tools to
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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148 perform the Compal loading stage before proceeding with the Calypso
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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149 boot ROM serial protocol, and selects the "flavor" of compalstage to
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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150 use. As you can see in the source, compalstage is built in 3 different
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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151 versions, for different C1xx models which exhibit different quirks.
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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152
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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153 This option overrides the compal-stage setting given in the hardware
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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154 parameter file selected with -h or -H; the -c or -C option must be given
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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155 after -h or -H in order to take effect. -c none disables the Compal
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
156 stage and causes the tools to proceed directly to the Calypso boot ROM
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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157 phase, even on targets for which the hardware parameter file specifies
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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158 compal-stage.
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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159
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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160 -C /path/to/compalstage-binary
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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161
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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162 This option is just like -c, except that the given argument is used
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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163 directly as the compalstage binary file pathname (absolute or relative)
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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164 without checking or alteration.
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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165
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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166 -h hwtype
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
167
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
168 This option is common for all 3 utilities. It selects the specific
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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169 target device configuration to be used. More precisely, it constructs
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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170 a pathname of the form /usr/local/share/freecalypso/%s.config, where %s
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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171 is the argument given to this option, and uses that file as the hardware
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
172 parameter file.
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
173
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
174 The hardware configurations known to the present release of FreeCalypso
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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175 loadtools are listed in the "Basic usage" section above.
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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176
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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177 -H /path/to/hwparam-file
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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178
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
179 This option is just like -h, except that the given argument is used
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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180 directly as the hardware parameter file pathname (absolute or relative)
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
181 without alteration.
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
182
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
183 -i num
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
184
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
185 This option is common for all 3 utilities. It specifies the interval
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
186 in milliseconds at which the tool will send "please interrupt the boot
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
187 process" beacons out the serial port, hoping to catch the Calypso
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
188 internal boot ROM. The default is 13 ms.
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
189
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
190 -n
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
191
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
192 This option does anything only when loadtools have been compiled to run
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
193 on GTA0x AP (see the corresponding section below). If you've compiled
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
194 loadtools with the -DGTA0x_AP_BUILD option, it has an effect of making
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
195 each tool automatically toggle the modem power control upon startup,
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
196 removing the need for manual sequencing of the Calypso boot process.
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
197 This -n option suppresses that action, making the AP build behave like
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
198 the standard build in this regard.
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
199
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
200 -r baud (fc-loadtool)
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
201
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
202 This option is specific to fc-loadtool. It causes the tool to skip its
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
203 normal steps of feeding loadagent and possibly compalstage to the target
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
204 via special serial protocols, and instead assume that the target is
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
205 already running loadagent, communicating at the specified baud rate.
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
206 In other words, reattach to an already running loadagent. Use this
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
207 option if your fc-loadtool session has been terminated ungracefully and
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
208 you would like to reattach and resume, rather than forcibly reset the
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
209 target by yanking and reinserting the battery and restart from the
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
210 beginning.
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
211
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
212 -r baud (fc-xram)
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
213
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
214 This option is specific to fc-xram. It selects the serial line baud
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
215 rate which should be set just before the loaded XRAM image is jumped
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
216 to; the default is 115200 baud.
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
217
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
218 fc-xram 2nd program invokation
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
219 ==============================
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
220
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
221 The fc-xram utility can take two possible actions after it has loaded the
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
222 specified S-record image into XRAM:
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
223
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
224 * The default action, in the absence of additional command line arguments, is
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
225 to drop into a serial tty pass-thru mode, just like fc-iram.
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
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226
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227 * The alternative action is to invoke a 2nd program and pass the serial
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228 communication channel to it. This 2nd program invokation facility is intended
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229 primarily for passing the serial communication channel to rvinterf or rvtdump
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230 from the FreeCalypso software suite, not for launching any arbitrary 3rd-party
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231 programs from fc-xram.
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232
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233 The intended usage scenario is that one builds a version of the FreeCalypso GSM
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234 firmware (or some subset thereof, such as an "in vivo" FFS editing agent) in the
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235 ramImage configuration, fc-xram is used to load that ramImage into the target
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236 device, and then the serial communication channel (RVTMUX) is immediately taken
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237 over by rvinterf or rvtdump.
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238
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239 Openmoko GTA0x
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240 ==============
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241
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242 All of the above instructions assume that you are running these loadtools on a
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243 general-purpose host system such as a GNU/Linux PC or laptop, and will
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244 potentially use them to operate on multiple Calypso targets of different kinds.
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245 If instead you are building loadtools to run on the application processor of a
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246 smartphone such as Openmoko GTA0x, then it makes no sense for that special build
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247 of loadtools to support any target other than the specific modem in that
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248 smartphone. Loadtools can be built with compalstage support excluded and with
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249 GTA0x-specific modem power control included instead. This build will still
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250 include a bunch of functions of no relevance to GTA0x, but oh well..
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251
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252 To build loadtools for the GTA0x AP, you'll need to make the following
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253 modifications to the Makefile:
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254
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255 * Change the CC= line to point to the appropriate cross-compiler (which you'll
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256 need to provide yourself);
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257
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258 * Change the CFLAGS= line: add the right options to target the ARM920T core in
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259 the GTA0x AP (e.g., -march=armv4t -mtune=arm920t), and add -DGTA0x_AP_BUILD
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260 to enable some code that makes sense only when running on the GTA0x AP.
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261
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262 * Change EXTRA_OBJ= from listing compalload.o to listing compaldummy.o and
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263 gtapower.o instead.
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264
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265 See gta-ap-build.sed for an example.