FreeCalypso > hg > fc-magnetite
changeset 55:acb07ce22054
blobs/patches: a couple of patched libs imported from tcs211-patches
author | Mychaela Falconia <falcon@freecalypso.org> |
---|---|
date | Fri, 30 Sep 2016 23:21:24 +0000 |
parents | 234a70d42c17 |
children | e17c1e28389f |
files | blobs/patches/frame_na7_db_ir-systrace.lib blobs/patches/frame_na7_db_ir-systrace.patch blobs/patches/main-fchw.lib blobs/patches/main-fchw.patch |
diffstat | 4 files changed, 45 insertions(+), 0 deletions(-) [+] |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/blobs/patches/frame_na7_db_ir-systrace.patch Fri Sep 30 23:21:24 2016 +0000 @@ -0,0 +1,28 @@ +# TI's original version of the pf_TaskEntry() function in the guts of GPF +# does this number once all GPF tasks have entered their main loop: +# +# TraceMask[0] = 0; +# +# The effect of this line is that "system" trace output gets disabled; +# in particular, "system primitive" requests like querying for existing +# TRACECLASS of various entities or for the GPF version elicit no response +# whatsoever until one sends a TRACECLASS setting sysprim which restores +# the TC_SYSTEM bit in TraceMask[0]. +# +# In FreeCalypso we consider this clearing of TraceMask[0] to be either +# a bug or a misfeature, and we would like to change it. In the case of +# the GPF code in question, we do have a copy of frame.c source (the module +# where the offending pf_TaskEntry() function is implemented) which we believe +# is the same code as what's in the TCS211 version of GPF, but TCS211 is not +# set up to recompile any part of GPF from source, and there are other modules +# in the same frame_na7_db_ir.lib for which we don't have the original source +# (os_*), hence it is easier to do a binary lib patch. +# +# The present patch is a binary form of: +# +# -TraceMask[0] = 0; +# +TraceMask[0] = TC_SYSTEM; + +[frame.obj] + +.text 2ee 10
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/blobs/patches/main-fchw.patch Fri Sep 30 23:21:24 2016 +0000 @@ -0,0 +1,17 @@ +# This patch applies to the Init_Target() function in the init.obj module in +# main.lib; it is an example of how this code will need to be patched for +# running on our own future FreeCalypso hardware if we choose to use the same +# Spansion S71PL129NC0 flash+pSRAM MCP as used in the Pirelli DP-L10 and use +# the same memory timings as set by Pirelli's firmware. + +[init.obj] + +# value goes into nCS0, nCS1 and nCS3 config registers +.text 66 A4 +# value goes into nCS2 config reg +.text 6C A4 + +# nop out the write into 0x02700000 + +.text 128 C0 +.text 129 46