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annotate rvinterf/libg23/README @ 718:098fea21ba13

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doc/Host-tools-overview: tiffs-mkfs description updated The first version of tiffs-mkfs did not include a journal file in the created FFS, expecting the firmware to create it on first boot. All historical firmwares prior to a recent FC fix (2020-05) contain a bug in that code path, thus images made with the first version of tiffs-mkfs were only acceptable to very recent FC firmwares. tiffs-mkfs has now been extended to include an empty journal in the created FFS, thus the restriction of working with recent fw only has been lifted.
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 23 Aug 2020 04:55:02 +0000
parents e7502631a0f9
children
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e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
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1 The library built in this directory is a host side library, not for the target.
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
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2 This library implements some functions for handling packet exchanges with GPF,
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
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3 and it will be linked by some of the programs in the rvinterf suite.
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
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e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
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5 It needs to be noted that the RVTMUX channel belonging to GPF was named
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
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6 RVT_L23_HEADER by TI, and as a result, I thought that these packets related
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
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7 specifically to the higher layers of the protocol stack. But now we know that
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
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8 hierarchically speaking, GPF sits *below* L1, not above, and GPF packets should
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
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9 not be automatically associated with G23. This realization was made fairly
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
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10 late, thus "g23" appears in a bunch of function names, and in the name of this
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
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11 library.