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add all source code from linksys/broadcom which is free, to cvs for better maintainence inside

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openwrt. this gives us the ability to better support different hardware models, without changing
any external tar-balls. only et.o and wl.o is missing and is fetched from my webserver.


git-svn-id: svn://svn.openwrt.org/openwrt/trunk/openwrt@379 3c298f89-4303-0410-b956-a3cf2f4a3e73
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wbx
2005-03-16 13:50:00 +00:00
parent c7df5a6a2c
commit 4f531230a3
85 changed files with 18591 additions and 16 deletions
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package/linux/kernel-source/arch/mips/brcm-boards/bcm947xx/compressed/README.mjn3 Normal file
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FIRST... See the dedication in the decompress_bunzip2.c file as it applies
here too. Donations to hospice in Toni's memory would be appreciated.
As far as the code goes... the bzImage is just a bzip'd kernel image with
a small gzip'd decompressor/loader stuck on front. CFE ungzip's the loader
app which then relocates the bunzip decompressor into higher memory and
bunzip's the compressed kernel directly from flash. Then the instruction
cache is flushed (to remove traces of the loader) and the kernel is executed.
Of course, a better approach would be to add bunzip decompression to CFE.
Notes...
1) Instruction cache size and linesize are hardcoded (see the #warning).
2) Currently assumes at least 16M or ram.
3) Thanks to Mike Baker mbm at alt dot org for bouncing ideas back
and forth as well as diagnosing the last (icache) bug.
Manuel Novoa III <mjn3@codepoet.org> May 30, 2004