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−FreeCalypso loadtools are currently a part of FC host tools, but they used to
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−be a separate package.  In those days that separate package of loadtools could
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−be built in two ways:
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−
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−1) One could compile and install loadtools on a general-purpose host system
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−   such as a GNU/Linux PC or laptop, and then potentially use them to operate
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−   on multiple Calypso targets of different kinds.
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−
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−2) One could compile loadtools to run on the application processor of a
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−   smartphone such as Openmoko GTA0x, in which case it makes no sense for that
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−   special build of loadtools to support any target other than the specific
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−   modem in that smartphone.
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−
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−Loadtools can be built with compalstage support excluded and with
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−GTA0x-specific modem power control included instead.  This build will still
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−include a bunch of functions of no relevance to GTA0x, but oh well..
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−
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−To build loadtools for the GTA0x AP, you'll need to make the following
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−modifications to loadtools/Makefile:
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−
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−* Change the CC= line to point to the appropriate cross-compiler (which you'll
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−  need to provide yourself).
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−
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−* Change the CFLAGS= line: add the right options to target the ARM920T core in
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−  the GTA0x AP (e.g., -march=armv4t -mtune=arm920t), and add -DGTA0x_AP_BUILD
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−  to enable some code that makes sense only when running on the GTA0x AP.
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−
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−* Change the PROGS= line to not build fc-compalram or fc-buzplay: the latter
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−  utilities are not applicable to GTA0x.
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−
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−* Change EXTRA_OBJ= from listing compalload.o to listing compaldummy.o and
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−  gtapower.o instead.
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−
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−See loadtools/gta-ap-build.sed for an example.