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Has anyone tried building a toolchain for the xilinx Virtex 2 Pro/IBM PowerPC405 chip? Results?
I'm trying to build a gcc3.2.3 toolchain right now for the PowerPC405. There are a number of patches needed to support PPC without FPU, and a few more to work around the ppc405's erratum 77.
I had this working with an earlier release of gcc / glibc... see http://kegel.com/xgcc3 for my notes from back then. If/when I get it working with modern gcc, I'll release a version of crosstool with the needed patches built in.
Program received signal SIGILL, Illegal instruction. 0x10012aac in __setfpucw () (gdb) bt #0 0x10012aac in __setfpucw () #1 0x1000ec40 in init () #2 0x1000eca4 in __libc_init_first () #3 0x100004a8 in __libc_start_main ()
so I guess I didn't fully disable the FPU :-) If I'm lucky, I just need to specify -mcpu=405 when building my glibc, or something like that... maybe --with-cpu=405 is broken. I'm rebuilding now with -g, maybe that'll tell me more. - Dan
-- Dan Kegel http://www.kegel.com http://counter.li.org/cgi-bin/runscript/display-person.cgi?user=78045
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