Re: [gem5-users] link m5op with PARSEC hook library for ARM ISA

[Ciro Santilli]

Have you tried include/gem5/m5ops.h ? Found with "git ls-files | grep
m5ops.h", and it is included by m5.c.

Alternatively, this other ARM PARSEC tutorial just defines the
functions directly:
https://github.com/arm-university/arm-gem5-rsk/blob/aa3b51b175a0f3b6e75c9c856092ae0c8f2a7cdc/parsec_patches/xcompile-patch.diff#L189

I haven't tested those yet unfortunately.

On Sat, Apr 28, 2018 at 10:40 PM, Xin Zhan  wrote:
> Hi all,
>
> I am trying to cross-compiled the PARSEC3.0 benchmark for ARM ISA, and I
> follow the manual in previous thread
> https://drive.google.com/file/d/0B1UBY1kHCnn3RGZ5NFNGa1RVMk0/view. I try to
> insert some gem5 pseudo instructions into PARSEC code to dump, reset stats
> files and write checkpoint at the begining of the ROI. As described in the
> manual, after I build m5op_arm.o, I need to copy m5op files to parsec hooks
> src folder:
> sudo cp ~/gem5/util/m5/m5op.h ~/gem5/util/m5/m5ops.h
> ~/gem5/util/m5/m5op_arm.o /mnt/parsec3.0/pkgs/libs/hooks/src
>
> However, seems that in the directory gem5/util/m5/ for the lates gem5, there
> is no m5op.h and m5ops.h anymore. There is only a header file m5_mmap.h but
> I don't think it is the correct one.
>
> Anyone knows which headers should I use?
>
> Appreciate your help!
> Xin
>
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[gem5-users] link m5op with PARSEC hook library for ARM ISA

[Xin Zhan]

Hi all,

I am trying to cross-compiled the PARSEC3.0 benchmark for ARM ISA, and I
follow the manual in previous thread
https://drive.google.com/file/d/0B1UBY1kHCnn3RGZ5NFNGa1RVMk0/view. I try to
insert some gem5 pseudo instructions into PARSEC code to dump, reset stats
files and write checkpoint at the begining of the ROI. As described in the
manual, after I build m5op_arm.o, I need to copy m5op files to parsec hooks
src folder:
sudo cp ~/gem5/util/m5/m5op.h ~/gem5/util/m5/m5ops.h
~/gem5/util/m5/m5op_arm.o /mnt/parsec3.0/pkgs/libs/hooks/src

However, seems that in the directory gem5/util/m5/ for the lates gem5,
there is no m5op.h and m5ops.h anymore. There is only a header file
m5_mmap.h but I don't think it is the correct one.

Anyone knows which headers should I use?

Appreciate your help!
Xin
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[gem5-users] ARM cpu-type

[Xin Zhan]

Hi all,

I need to run multicore ARM processor in FS with detailed cpu mode. However
in the current GEM5 version, there is a lot of options for --cpu-type:
'O3_ARM_v7a_3', 'AtomicSimpleCPU', 'ex5_big', 'DerivO3CPU', 'MinorCPU',
'HPI', 'ex5_LITTLE', 'TraceCPU', 'TimingSimpleCPU'

So for my purpose, which is the detailed mode for arm?

Thanks,
Xin
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Re: [gem5-users] ARM 4-core FS fatal error:

[Xin Zhan]

Hi Ciro,

Thanks a lot for your help. I will try your setup.

Thanks,
Xin

On Sat, Apr 28, 2018 at 3:15 PM, Ciro Santilli 
wrote:

> I don't know what causes that problem, but here is a working setup:
> https://github.com/cirosantilli/linux-kernel-module-cheat/tree/
> 0b9157c91912685b0c59773126e1c1fefc7eea84#gem5
>
> After build, run:
>
>  ./run -a aarch64 -g -c 4
>
> and it boots correctly, and cat /proc/cpuinfo shows 4 cpus.
>
> The scripts there end up running the following gem5 command:
>
> M5_PATH='/home/ciro/bak/git/linux-kernel-module-cheat/out/
> aarch64/buildroot/build/gem5-1.0/system'
> \
>  '/home/ciro/bak/git/linux-kernel-module-cheat/out/
> aarch64/buildroot/build/gem5-1.0/gem5/build/ARM/gem5.opt'
> \
> --debug-file=trace.txt \
>  -d '/home/ciro/bak/git/linux-kernel-module-cheat/out/aarch64/gem5/m5out'
> \
> '/home/ciro/bak/git/linux-kernel-module-cheat/out/
> aarch64/buildroot/build/gem5-1.0/gem5/configs/example/fs.py'
> \
> --disk-image='/home/ciro/bak/git/linux-kernel-module-cheat/
> out/aarch64/buildroot/images/rootfs.ext2'
> \
> --kernel='/home/ciro/bak/git/linux-kernel-module-cheat/out/
> aarch64/buildroot/build/linux-custom/vmlinux'
> \
> --mem-size='256MB' \
> --num-cpus='4' \
> --script='/home/ciro/bak/git/linux-kernel-module-cheat/data/readfile' \
>  --command-line='earlyprintk=pl011,0x1c09 console=ttyAMA0
> lpj=19988480 rw loglevel=8 mem=256MB root=/dev/sda
> console_msg_format=syslog nokaslr norandmaps printk.devkmsg=on
> printk.time=y' \
> --dtb-file='/home/ciro/bak/git/linux-kernel-module-cheat/
> out/aarch64/buildroot/build/gem5-1.0/gem5/system/arm/dt/
> armv8_gem5_v1_4cpu.dtb'
> \
> --machine-type=VExpress_GEM5_V1 \
>
>
> On Sat, Apr 28, 2018 at 8:59 PM, Xin Zhan  wrote:
> > Hi all,
> >
> > I try to simulate 4-core ARM processor in FS mode. The kernel and disk I
> am
> > using is from the repository
> > http://www.gem5.org/dist/current/arm/aarchsystem201410.
> > tar.xz. And the run command I am using is:
> >
> > ./build/ARM/gem5.opt configs/example/fs.py
> > --kernel=/home/grads/z/zhanxin/ARM/gem5/full_system_
> images/binaries/vmlinux.aarch64.20140821
> > --disk-image=/home/grads/z/zhanxin/ARM/gem5/full_system_
> images/disks/aarch64-ubuntu-trusty-headless.img
> > --dtb-filename=/home/grads/z/zhanxin/ARM/gem5/full_system_
> images/binaries/vexpress.aarch64.20140821.dtb
> > -n 4
> >
> > However, a fatal happens at the very beginning of the simulation:
> > info: kernel located at:
> > /home/grads/z/zhanxin/ARM/gem5/full_system_images/
> binaries/vmlinux.aarch64.20140821
> > fatal: Can't find a matching boot loader / kernel combination!
> >
> > Is there anyone knowing the reason behind? I really appreciate your help!
> > Xin
> >
> >
> > ___
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> > gem5-users@gem5.org
> > http://m5sim.org/cgi-bin/mailman/listinfo/gem5-users
>
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Re: [gem5-users] ARM 4-core FS fatal error:

[Ciro Santilli]

I don't know what causes that problem, but here is a working setup:
https://github.com/cirosantilli/linux-kernel-module-cheat/tree/0b9157c91912685b0c59773126e1c1fefc7eea84#gem5

After build, run:

 ./run -a aarch64 -g -c 4

and it boots correctly, and cat /proc/cpuinfo shows 4 cpus.

The scripts there end up running the following gem5 command:

M5_PATH='/home/ciro/bak/git/linux-kernel-module-cheat/out/aarch64/buildroot/build/gem5-1.0/system'
\
 
'/home/ciro/bak/git/linux-kernel-module-cheat/out/aarch64/buildroot/build/gem5-1.0/gem5/build/ARM/gem5.opt'
\
--debug-file=trace.txt \
 -d '/home/ciro/bak/git/linux-kernel-module-cheat/out/aarch64/gem5/m5out' \
'/home/ciro/bak/git/linux-kernel-module-cheat/out/aarch64/buildroot/build/gem5-1.0/gem5/configs/example/fs.py'
\
--disk-image='/home/ciro/bak/git/linux-kernel-module-cheat/out/aarch64/buildroot/images/rootfs.ext2'
\
--kernel='/home/ciro/bak/git/linux-kernel-module-cheat/out/aarch64/buildroot/build/linux-custom/vmlinux'
\
--mem-size='256MB' \
--num-cpus='4' \
--script='/home/ciro/bak/git/linux-kernel-module-cheat/data/readfile' \
 --command-line='earlyprintk=pl011,0x1c09 console=ttyAMA0
lpj=19988480 rw loglevel=8 mem=256MB root=/dev/sda
console_msg_format=syslog nokaslr norandmaps printk.devkmsg=on
printk.time=y' \
--dtb-file='/home/ciro/bak/git/linux-kernel-module-cheat/out/aarch64/buildroot/build/gem5-1.0/gem5/system/arm/dt/armv8_gem5_v1_4cpu.dtb'
\
--machine-type=VExpress_GEM5_V1 \


On Sat, Apr 28, 2018 at 8:59 PM, Xin Zhan  wrote:
> Hi all,
>
> I try to simulate 4-core ARM processor in FS mode. The kernel and disk I am
> using is from the repository
> http://www.gem5.org/dist/current/arm/aarchsystem201410.
> tar.xz. And the run command I am using is:
>
> ./build/ARM/gem5.opt configs/example/fs.py
> --kernel=/home/grads/z/zhanxin/ARM/gem5/full_system_images/binaries/vmlinux.aarch64.20140821
> --disk-image=/home/grads/z/zhanxin/ARM/gem5/full_system_images/disks/aarch64-ubuntu-trusty-headless.img
> --dtb-filename=/home/grads/z/zhanxin/ARM/gem5/full_system_images/binaries/vexpress.aarch64.20140821.dtb
> -n 4
>
> However, a fatal happens at the very beginning of the simulation:
> info: kernel located at:
> /home/grads/z/zhanxin/ARM/gem5/full_system_images/binaries/vmlinux.aarch64.20140821
> fatal: Can't find a matching boot loader / kernel combination!
>
> Is there anyone knowing the reason behind? I really appreciate your help!
> Xin
>
>
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[gem5-users] ARM 4-core FS fatal error:

[Xin Zhan]

Hi all,

I try to simulate 4-core ARM processor in FS mode. The kernel and disk I am
using is from the repository
http://www.gem5.org/dist/current/arm/aarchsystem201410.
tar.xz. And the run command I am using is:

./build/ARM/gem5.opt configs/example/fs.py
--kernel=/home/grads/z/zhanxin/ARM/gem5/full_system_images/binaries/vmlinux.aarch64.20140821
--disk-image=/home/grads/z/zhanxin/ARM/gem5/full_system_images/disks/aarch64-ubuntu-trusty-headless.img
--dtb-filename=/home/grads/z/zhanxin/ARM/gem5/full_system_images/binaries/vexpress.aarch64.20140821.dtb
-n 4

However, a fatal happens at the very beginning of the simulation:
info: kernel located at:
/home/grads/z/zhanxin/ARM/gem5/full_system_images/binaries/vmlinux.aarch64.20140821
fatal: Can't find a matching boot loader / kernel combination!

Is there anyone knowing the reason behind? I really appreciate your help!
Xin
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