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OSL: reconstruction of os_isr.c (_fl only) started
author Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
date Wed, 07 May 2014 19:50:01 +0000
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1 You are looking at the top level of the freecalypso-sw source code tree.
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2 The subtrees of this source tree are as follows:
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3
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4 gsm-fw This tree contains the early beginnings of my (Michael
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5 Spacefalcon's) attempt to recreate TI's GSM firmware suite for
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6 modems and basic phones, consisting of Nucleus RTOS, RiViera
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7 and GPF frameworks, TI's BSP/driver and L1 code, Condat G23
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8 GSM/GPRS protocol stack, AT command interpreter and UI layers.
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9
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10 At the present, none of the actual GSM code (L1 or G23) has
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11 been integrated yet, but most of the underlying RTOS environment
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12 is present and working: one can exercise RVT, ETM and FFS.
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13 L1 integration will begin soon.
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14
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15 ffstools Here you will find tools for "in vitro" examination of FFS
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16 (flash file system) images read out of TI-based GSM devices.
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17 See doc/TIFFS-Overview for more information.
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19 loadtools The suite of tools which run on a development host machine
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20 (normally PC/Linux desktop or laptop) and communicate with
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21 Calypso targets. Starting from the Calypso ROM bootloader,
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22 these tools allow you to peek and poke registers, read and
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23 program flash, and load and execute experimental code in IRAM
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24 or XRAM.
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26 rvinterf In common with TI's original fw, FreeCalypso GSM fw implements
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27 the so-called RiViera serial MUX, which is a binary packet
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28 protocol for multiplexing many kinds of debug and development
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29 traffic over just one available physical serial port. This
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30 rvinterf directory contains the early beginnings of our suite
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31 of tools for connecting to this RV serial interface, supporting
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32 both our own gsm-fw as well as some existing proprietary
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33 firmwares to the extent to which they are compatible.
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34
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35 target-utils These are utilities which run on Calypso targets, but which are
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36 independent of Nucleus, of any other RTOS, and of any larger
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37 firmware suite, i.e., totally standalone. The two current
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38 utilities are loadagent, which is common for all currently
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39 supported Calypso targets and is required in order to use
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40 fc-loadtool or fc-xram (see loadtools), and pirexplore - the
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41 latter is a hardware exploration utility specific to the
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42 Pirelli DP-L10 target.
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44 toolchain Scripts and patches for building the gcc+binutils toolchain
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45 targeting ARM7, the CPU core of the Calypso GSM/GPRS baseband
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46 processor. You'll need to build and install this toolchain
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47 first before you can build gsm-fw or target-utils.