Hi Monir, I really don't know much about the internal workings of the MinorCPU model (or really any of them). If you can track the problem down to something specific, and still can't figure out the solution, I'd suggest posting a new thread here on the users list.
Cheers, Jason On Fri, Aug 12, 2016 at 11:38 AM Zaman, Monir <[email protected]> wrote: > Jason, > > You are right, I think GEM5 is not supporting SPARC with the MinorCPU. But > it does have the o3CPU support. So I guess I have 2 options with SPARC for > detailed perf. simulation: > > 1> Debug the existing MinorCPU and add SPARC support to it (like you > said). But, I am not sure how extensive this would be. I started with the > debug flag and below is the output: > > > > ce_abc:gem5-stable} ./run_script.sh > > gem5 Simulator System. http://gem5.org > > gem5 is copyrighted software; use the --copyright option for details. > > > > gem5 compiled Aug 12 2016 02:05:53 > > gem5 started Aug 12 2016 11:26:21 > > gem5 executing on ce6304.utdallas.edu > > command line: /home/gem5/gem5-stable/build/SPARC/gem5.debug > --debug-flags=Exec,ExecTicks > /home/gem5/gem5-stable/configs/example/se_editted.py -n 1 --cpu-type=minor > --caches --l1d_size=8kB --l1i_size=16kB --l2cache --l2_size=3MB > --l2_assoc=12 --cpu-clock=1.2GHz --sys-voltage=1.2V --mem-size=8192MB -c > /home/gem5/gem5-stable/tests/test-progs//hello/bin/sparc/linux/hello > > > > Global frequency set at 1000000000000 ticks per second > > 0: system.remote_gdb.listener: listening for remote gdb #0 on port 7000 > > **** REAL SIMULATION **** > > info: Entering event queue @ 0. Starting simulation... > > 115787: system.cpu T0 : @_start : mov %g0, %fp : > IntAlu : D=0x0000000000000000 > > 115787: system.cpu T0 : @_start+4 : sub %sp, 0x30, %sp : > IntAlu : D=0x000007fffffff581 > > 116620: system.cpu T0 : @_start+8 : ldx [%sp + 0x8af], %o1 : > MemRead : A=0x7fffffffe30 > > 310709: system.cpu T0 : @_start+8 : ldx [%sp + 0x8af], %o1 : > MemRead : D=0x0000000000000001 A=0x7fffffffe30 > > 310709: system.cpu T0 : @_start+12 : add %sp, 0x8b7, %o2 : IntAlu > : D=0x000007fffffffe38 > > 311542: system.cpu T0 : @_start+16 : sethi %hi(0x100400), %o0 : > IntAlu : D=0x0000000000100400 > > 311542: system.cpu T0 : @_start+20 : sethi %hi(0x10bc00), %o3 : > IntAlu : D=0x000000000010bc00 > > 312375: system.cpu T0 : @_start+24 : sethi %hi(0x10bc00), %o4 : > IntAlu : D=0x000000000010bc00 > > 312375: system.cpu T0 : @_start+28 : or %o0, 0x4, %o0 : IntAlu > : D=0x0000000000100404 > > 313208: system.cpu T0 : @_start+32 : or %o3, 0xf8, %o3 : IntAlu > : D=0x000000000010bcf8 > > 313208: system.cpu T0 : @_start+36 : or %o4, 0x190, %o4 : IntAlu > : D=0x000000000010bd90 > > 314041: system.cpu T0 : @_start+40 : mov %g1, %o5 : IntAlu > : D=0x0000000000000000 > > 314041: system.cpu T0 : @_start+44 : call 0x10b998 > <__libc_start_main> : IntAlu : D=0x000000000010022c > > 322371: system.cpu T0 : @_start+48 : nop : > No_OpClass : > > panic: fault (illegal_instruction) detected @ PC > (0x10b998=>0x10b99c=>0x10b9a0).(0=>1) > > @ tick 324037 > > [invoke:build/SPARC/sim/faults.cc, line 47] > > Memory Usage: 8674484 KBytes > > Program aborted at cycle 324037 > > ./run_script.sh: line 17: 45369 Aborted > $GEM5_EXE_LOC_sparc/gem5.debug --debug-flags=Exec,ExecTicks > $RUN_MODE_LOC/se_editted.py -n 1 --cpu-type=minor --caches --l1d_size="8kB" > --l1i_size="16kB" --l2cache --l2_size="3MB" --l2_assoc="12" > --cpu-clock="1.2GHz" --sys-voltage="1.2V" --mem-size="8192MB" -c > $TEST_LOC/hello/bin/sparc/linux/hello > > > > > > If I understand correctly, is it calling the “call” instruction an illegal > instruction? > > > > 2> Use the existing o3CPU and change the ROB so that it acts as > inOrderCPU. > > > > > > Thanks > > Monir > _______________________________________________ > gem5-users mailing list > [email protected] > http://m5sim.org/cgi-bin/mailman/listinfo/gem5-users
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