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The MPC85xx is Motorola's newest and fastest PowerQUICC III communications processor family and it does use a e500 PowerPC core that is compliant with the Book E enhanced PowerPC spec running at up to 1850 MIPS! See http://e-www.motorola.com/webapp/sps/site/prod_summary.jsp?code=MPC8560&nodeId=03DnXMztdcv4N0DKCb for more information on the MPC8560.
I have successfully built the PowerPC crosstools for the much lower speed PowerQUICC I family to run under Cygwin on Windows. I used Dan's crosstool scripts for the MPC860 with gcc-3.3.3 and glibc-2.3.2. The PowerPC gcc build does presumably know about the e500 core and any variations it may have from other PowerPC variants. I would start with Dan's MPC860 setup and adjust it from there to build for the MPC85xx.
Also, for anyone wanting to try building gcc/glibc with crosstool on cygwin, be sure to use version 0.28-pre13 or later, (it's at http://kegel.com/crosstool/crosstool-0.28-pre13.tar.gz) and if you happen to have cygwin 1.5.9, you may need to replace your cygwin1.dll with the one from http://cygwin.com/snapshots/cygwin1-20040325.dll.bz2 to get around a crash bug; alternately, you can wait for cygwin-1.5.2 to be released. - Dan
-- My technical stuff: http://kegel.com My politics: see http://www.misleader.org for examples of why I'm for regime change
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