[LLVMdev] Proposal: AArch64/ARM64 merge from EuroLLVM

[Eric Christopher]

Nifty, thanks!

-eric

On Sun, Apr 13, 2014 at 11:30 PM, Jiangning Liu <liujiangning1 at gmail.com> wrote:
> Hi Eric,
>>
>> > - For others who want to help test, compiling and running your
>> > codebases on QEMU (no crypto extensions)
>>
>> Some reasonable description of how this works would be awesome.
>
>
> Try the followings, to set up QEMU for AArch64...
>
> # On ubuntu 13.10, start from here
>
> git clone git://git.qemu.org/qemu.git
>
> cd qemu
>
> git submodule update --init pixman
>
> git submodule update --init dtc
>
>
>
> # install some tools
>
> sudo apt-get install libglib2.0-dev
>
> sudo apt-get install autoconf
>
> sudo apt-get install libtool
>
>
>
> # build & install qemu
>
> mkdir build
>
> ../qemu/configure --target-list=aarch64-softmmu,aarch64-linux-user
>
> make
>
> sudo make install
>
>
>
> # Drop attached file to binfmts folder
>
> sudo apt-get install binfmt-support
>
> sudo cp qemu-aarch64 /usr/share/binfmts
>
> sudo update-binfmts --import qemu-aarch64
>
> # If you don't have linaro tool chain,
>
> # please download
> http://releases.linaro.org/latest/components/toolchain/binaries/gcc-linaro-aarch64-linux-gnu-4.8-2014.03_linux.tar.xz
>
> # after unzip, please do the following copy
>
> cp ~/gcc-linaro-aarch64/aarch64-linux-gnu/lib/*
> ~/gcc-linaro-aarch64/aarch64-linux-gnu/libc/lib/aarch64-linux-gnu/
>
>
> #
>
> Then y
> You need to set up correct sysroot path here, e.g.
>
> # SYSROOT_PATH=/home/
>
> your_home_folder
> /gcc-linaro-aarch64/aarch64-linux-gnu/libc
>
> export QEMU_LD_PREFIX=$SYSROOT_PATH
>
>
>
> # Get here, Done!
>
>
>
> Try to run the followings to verify qemu works...
>
>
>
> $ cat tt
>
> t
> .c
>
> #include <stdio.h>
>
> int main(){printf("OK\n");}
>
> $ aarch64-linux-gnu-gcc ttt.c
>
> $ ./a.out
>
> OK
>
> Thanks,
> -Jiangning
>