Hi, I am trying to compile ImplantBench for MIPS on gem5 and run them in SE mode. I am using the following toolchain setup to cross compile:
Toolchain: 1. crosstools-ng 2. march and mtune -mips1, Little Endian, soft-float, Glibc 2.9, gcc 4.3.X 3. gcc config flags: --disable-tls, --disable-threads 4. library compile flags: -msoft-float -msingle-float 5. Target Binary compiled with -static flag, compiled for linux 2.6 kernel. I am able to run a few of the benchmarks without any problem but facing the following error for the rest: build/MIPS/cpu/o3/lsq_unit.hh:577: Fault LSQUnit<Impl>::read(Request*, Request*, Request*, uint8_t*, int) [with Impl = O3CPUImpl, Fault = RefCountingPtr<FaultBase>, uint8_t = unsigned char]: Assertion `load_inst' failed. I am still not very familiar with the gem5 source code so I am just guessing this is related with cross compiling and may be usage of an incompatible instructions? I need some help or guidance on how to track this down. FYI 1. I get segfaults when I compile these same programs with the latest codesourcery mips tools using -EL and -static flags. 2. These benchmarks compile run without issue on ARM when compiled with latest codesourcery ARM tools using -static flags. Any feedback or help would be greatly appreciated. Thanks. Safwat Mostafa Dept of ECE University of Texas at San Antonio
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