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annotate rvinterf/libg23/README @ 923:10b4bed10192

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gsm-fw/L1: fix for the DSP patch corruption bug The L1 code we got from the LoCosto fw contains a feature for DSP CPU load measurement. This feature is a LoCosto-ism, i.e., not applicable to earlier DBB chips (Calypso) with their respective earlier DSP ROMs. Most of the code dealing with that feature is conditionalized as #if (DSP >= 38), but one spot was missed, and the MCU code was writing into an API word dealing with this feature. In TCS211 this DSP API word happens to be used by the DSP code patch, hence that write was corrupting the patched DSP code.
author Mychaela Falconia <falcon@ivan.Harhan.ORG>
date Mon, 19 Oct 2015 17:13:56 +0000
parents 42c91c51ca7f
children
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91ea7a4a0b4d rvinterf/libg23: started
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
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1 The library built in this directory is a host side library, not for the target.
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42c91c51ca7f rvinterf: display GPF packets as "GPF" rather than "G23"
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 331
diff changeset
2 This library implements some functions for handling packet exchanges with GPF,
331
91ea7a4a0b4d rvinterf/libg23: started
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
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3 and it will be linked by some of the programs in the rvinterf suite.
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42c91c51ca7f rvinterf: display GPF packets as "GPF" rather than "G23"
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 331
diff changeset
4
42c91c51ca7f rvinterf: display GPF packets as "GPF" rather than "G23"
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 331
diff changeset
5 It needs to be noted that the RVTMUX channel belonging to GPF was named
42c91c51ca7f rvinterf: display GPF packets as "GPF" rather than "G23"
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 331
diff changeset
6 RVT_L23_HEADER by TI, and as a result, I thought that these packets related
42c91c51ca7f rvinterf: display GPF packets as "GPF" rather than "G23"
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 331
diff changeset
7 specifically to the higher layers of the protocol stack. But now we know that
42c91c51ca7f rvinterf: display GPF packets as "GPF" rather than "G23"
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 331
diff changeset
8 hierarchically speaking, GPF sits *below* L1, not above, and GPF packets should
42c91c51ca7f rvinterf: display GPF packets as "GPF" rather than "G23"
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 331
diff changeset
9 not be automatically associated with G23. This realization was made fairly
42c91c51ca7f rvinterf: display GPF packets as "GPF" rather than "G23"
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 331
diff changeset
10 late, thus "g23" appears in a bunch of function names, and in the name of this
42c91c51ca7f rvinterf: display GPF packets as "GPF" rather than "G23"
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 331
diff changeset
11 library.