On Thu, Apr 21, 2011 at 4:57 PM, Artyom Tarasenko <atar4q...@gmail.com> wrote: > On Tue, Apr 12, 2011 at 4:14 AM, Igor Kovalenko > <igor.v.kovale...@gmail.com> wrote: >>>> Do you have public test case? >>>> It is possible to code this delay slot write test but real issue may >>>> be corruption elsewhere. > > The test case is trivial: it's just the two instructions, branch and wrpr. > >> In theory there could be multiple issues including compiler induced ones. >> I'd prefer to see some kind of reproducible testcase. > > Ok, attached a 40 byte long test (the first 32 bytes are not used and > needed only because the bios entry point is 0x20). > > $ git pull && make && sparc64-softmmu/qemu-system-sparc64 -bios > test-wrpr.bin -nographic > Already up-to-date. > make[1]: Nothing to be done for `all'. > /mnt/terra/projects/vanilla/qemu/tcg/tcg.c:1892: tcg fatal error > Aborted
The problem seems to be that wrpr is using a non-local TCG tmp (cpu_tmp0). Laurent