Thanks a lot Jason!

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________________________________
From: Jason Lowe-Power <ja...@lowepower.com>
Sent: Friday, February 11, 2022 9:10:11 PM
To: gem5 users mailing list <gem5-users@gem5.org>
Cc: Umamaheswari Ganeshan <umamaheswari.gane...@india.nec.com>; VEDIKA JITENDRA 
KULKARNI <ved...@iitg.ac.in>
Subject: Re: [gem5-users] Run srsRAN code with gem5

Hi Uma,

Not all X86 vector instructions are implemented. What you're seeing is that 
pmovzxbw isn't implemented. Specifically, there's at least one version (as 
shown here https://www.felixcloutier.com/x86/pmovzx) which hasn't been 
implemented yet. I'm not sure which one. The `Vdq_Udq_or_Mq` somehow specifies 
the sizes of the registers, but it's not documented and you'll have to dig into 
the code to figure out how it works.

You can either compile your code with SSE4/AVX or you can implement the 
instruction. If you do the latter, we would appreciate the contribution!

Cheers,
Jason

On Fri, Feb 11, 2022 at 5:13 AM VEDIKA JITENDRA KULKARNI via gem5-users 
<gem5-users@gem5.org<mailto:gem5-users@gem5.org>> wrote:

Hello,


We are trying to run srsRAN functionalities individually as srsepc,srsenb and 
srsUE. Also I need suggestions on how to run end-end srsRAN code into gem5 to 
analyse the ARM vs X86 performance.


Please find the below error for srsENB while simulating in gem5.



command line: ./build/X86/gem5.opt configs/example/se.py 
--cmd=tests/test-progs/hello/bin/x86/linux/srsenb



Global frequency set at 1000000000000 ticks per second

warn: No dot file generated. Please install pydot to generate the dot file and 
pdf.

build/X86/mem/mem_interface.cc:791: warn: DRAM device capacity (8192 Mbytes) 
does not match the address range assigned (512 Mbytes)

0: system.remote_gdb: listening for remote gdb on port 7000

**** REAL SIMULATION ****

build/X86/sim/simulate.cc:194: info: Entering event queue @ 0.  Starting 
simulation...

build/X86/sim/syscall_emul.cc:74: warn: ignoring syscall mprotect(...)

build/X86/sim/syscall_emul.cc:74: warn: ignoring syscall mprotect(...)

build/X86/sim/syscall_emul.cc:74: warn: ignoring syscall mprotect(...)



build/X86/sim/syscall_emul.cc:74: warn: ignoring syscall set_robust_list(...)

build/X86/sim/syscall_emul.cc:85: warn: ignoring syscall rt_sigaction(...)

      (further warnings will be suppressed)

build/X86/sim/syscall_emul.cc:85: warn: ignoring syscall rt_sigprocmask(...)

      (further warnings will be suppressed)

build/X86/sim/syscall_emul.hh:509: warn: futex: op 7 not implemented; ignoring.



build/X86/sim/syscall_emul.cc:74: warn: ignoring syscall mprotect(...)

build/X86/arch/x86/generated/exec-ns.cc.inc:27: warn: instruction 
'pmovzxbw_Vdq_Udq_or_Mq' unimplemented

build/X86/arch/x86/faults.cc:129: panic: Unrecognized/invalid instruction 
executed:



{

        leg = 0x10,

        rex = 0,

        vex/xop = 0x5,

        op = {

                type = three byte 0f38,

                op = 0x59,

                },

        modRM = 0,

        sib = 0,

        immediate = 0,

        displacement = 0

        dispSize = 0}

Memory Usage: 842444 KBytes

Program aborted at tick 7880406000

--- BEGIN LIBC BACKTRACE ---

./build/X86/gem5.opt(+0x67429c)[0x5620be8bc29c]

./build/X86/gem5.opt(+0x6a0eaa)[0x5620be8e8eaa]

/lib/x86_64-linux-gnu/libpthread.so.0(+0x12980)[0x7f1b35eeb980]

/lib/x86_64-linux-gnu/libc.so.6(gsignal+0xc7)[0x7f1b34d3efb7]

/lib/x86_64-linux-gnu/libc.so.6(abort+0x141)[0x7f1b34d40921]

./build/X86/gem5.opt(+0x342b6f)[0x5620be58ab6f]

./build/X86/gem5.opt(+0x74f8b7)[0x5620be9978b7]

./build/X86/gem5.opt(+0xe9218a)[0x5620bf0da18a]

./build/X86/gem5.opt(+0xe7f779)[0x5620bf0c7779]

./build/X86/gem5.opt(+0x680fee)[0x5620be8c8fee]

./build/X86/gem5.opt(+0x6c5fd4)[0x5620be90dfd4]

./build/X86/gem5.opt(+0x6c6d1e)[0x5620be90ed1e]

./build/X86/gem5.opt(+0xc2b44a)[0x5620bee7344a]

./build/X86/gem5.opt(+0x69ced9)[0x5620be8e4ed9]

/usr/lib/x86_64-linux-gnu/libpython3.6m.so.1.0(PyCFunction_Call+0x96)[0x7f1b3630b736]

/usr/lib/x86_64-linux-gnu/libpython3.6m.so.1.0(_PyEval_EvalFrameDefault+0x76e0)[0x7f1b3627cb20]

/usr/lib/x86_64-linux-gnu/libpython3.6m.so.1.0(+0x17ba0f)[0x7f1b36273a0f]

/usr/lib/x86_64-linux-gnu/libpython3.6m.so.1.0(+0x17c0fc)[0x7f1b362740fc]

/usr/lib/x86_64-linux-gnu/libpython3.6m.so.1.0(_PyEval_EvalFrameDefault+0x4ec3)[0x7f1b3627a303]

/usr/lib/x86_64-linux-gnu/libpython3.6m.so.1.0(+0x17a803)[0x7f1b36272803]

/usr/lib/x86_64-linux-gnu/libpython3.6m.so.1.0(+0x17c2be)[0x7f1b362742be]

/usr/lib/x86_64-linux-gnu/libpython3.6m.so.1.0(_PyEval_EvalFrameDefault+0x4ec3)[0x7f1b3627a303]

/usr/lib/x86_64-linux-gnu/libpython3.6m.so.1.0(+0x17ba0f)[0x7f1b36273a0f]

/usr/lib/x86_64-linux-gnu/libpython3.6m.so.1.0(+0x17c0fc)[0x7f1b362740fc]

/usr/lib/x86_64-linux-gnu/libpython3.6m.so.1.0(_PyEval_EvalFrameDefault+0x4ec3)[0x7f1b3627a303]

/usr/lib/x86_64-linux-gnu/libpython3.6m.so.1.0(+0x17ba0f)[0x7f1b36273a0f]

/usr/lib/x86_64-linux-gnu/libpython3.6m.so.1.0(PyEval_EvalCodeEx+0x3e)[0x7f1b362744ce]

/usr/lib/x86_64-linux-gnu/libpython3.6m.so.1.0(PyEval_EvalCode+0x1b)[0x7f1b3627524b]

/usr/lib/x86_64-linux-gnu/libpython3.6m.so.1.0(+0x18855d)[0x7f1b3628055d]

/usr/lib/x86_64-linux-gnu/libpython3.6m.so.1.0(_PyCFunction_FastCallDict+0x1bb)[0x7f1b3630b53b]

/usr/lib/x86_64-linux-gnu/libpython3.6m.so.1.0(+0x17c1ec)[0x7f1b362741ec]

/usr/lib/x86_64-linux-gnu/libpython3.6m.so.1.0(_PyEval_EvalFrameDefault+0x4ec3)[0x7f1b3627a303]

--- END LIBC BACKTRACE ---

Aborted (core dumped)





Thanks,

Uma

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