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annotate blobs/patches/frame_na7_db_ir-systrace.patch @ 548:9f191ca0051f

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implemented ability to enable -D_FF_RV_EXIST_ in TIF library It is not clear if this quirk is intentional or not, but TI's production version of tif_na7_db_{fl,ir}.lib was built without -D_FF_RV_EXIST_, and as a result, the code that is present in the source for the TRACEMASK_IN_FFS feature was not compiled in, making the feature unavailable. The present change makes it possible to re-enable this code (when TIF libraries are being rebuilt from source rather than used as blobs) by setting TRACEMASK_IN_FFS=1 on the configure line. The new code is NOT enabled by default: it is not a change which we can justify inflicting on our production firmwares.
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 18 Nov 2018 08:09:17 +0000
parents acb07ce22054
children
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acb07ce22054 blobs/patches: a couple of patched libs imported from tcs211-patches
Mychaela Falconia <falcon@freecalypso.org>
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1 # TI's original version of the pf_TaskEntry() function in the guts of GPF
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2 # does this number once all GPF tasks have entered their main loop:
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3 #
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4 # TraceMask[0] = 0;
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5 #
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6 # The effect of this line is that "system" trace output gets disabled;
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7 # in particular, "system primitive" requests like querying for existing
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8 # TRACECLASS of various entities or for the GPF version elicit no response
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9 # whatsoever until one sends a TRACECLASS setting sysprim which restores
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10 # the TC_SYSTEM bit in TraceMask[0].
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11 #
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12 # In FreeCalypso we consider this clearing of TraceMask[0] to be either
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13 # a bug or a misfeature, and we would like to change it. In the case of
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14 # the GPF code in question, we do have a copy of frame.c source (the module
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15 # where the offending pf_TaskEntry() function is implemented) which we believe
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16 # is the same code as what's in the TCS211 version of GPF, but TCS211 is not
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17 # set up to recompile any part of GPF from source, and there are other modules
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18 # in the same frame_na7_db_ir.lib for which we don't have the original source
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19 # (os_*), hence it is easier to do a binary lib patch.
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20 #
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21 # The present patch is a binary form of:
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22 #
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23 # -TraceMask[0] = 0;
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24 # +TraceMask[0] = TC_SYSTEM;
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26 [frame.obj]
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