mirror of
https://github.com/cirosantilli/linux-kernel-module-cheat.git
synced 2026-01-13 20:12:26 +00:00
124 lines
3.1 KiB
Bash
Executable File
124 lines
3.1 KiB
Bash
Executable File
#!/usr/bin/env bash
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set -e
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interactive_pkgs=libsdl2-dev
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gem5=false
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qemu=true
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submodules='buildroot linux'
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y=
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while getopts gpqt OPT; do
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case "$OPT" in
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g)
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gem5=true
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;;
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p)
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submodules="$submodules parsec-benchmark/parsec-benchmark"
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;;
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q)
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qemu=false
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;;
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t)
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interactive_pkgs=
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y=-y
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;;
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esac
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done
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shift $(($OPTIND - 1))
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## apt-get
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pkgs="\
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automake \
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bc \
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build-essential \
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coreutils \
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cpio \
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expect \
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git \
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moreutils \
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tmux \
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unzip \
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vinagre \
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wget \
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"
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if "$gem5"; then
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pkgs="$pkgs \
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ccache \
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gcc-aarch64-linux-gnu \
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gcc-arm-linux-gnueabi \
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libgoogle-perftools-dev \
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protobuf-compiler \
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python-dev \
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python-pip \
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scons \
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"
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fi
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command -v apt-get >/dev/null 2>&1 || {
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cat <<EOF
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apt-get not found. You're on your own for installing dependencies.
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On Ubuntu they are:
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$pkgs
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EOF
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exit 0
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}
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# Without this started failing in kernel 4.15 with:
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# Makefile:932: *** "Cannot generate ORC metadata for CONFIG_UNWINDER_ORC=y, please install libelf-dev, libelf-devel or elfutils-libelf-devel". Stop.
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pkgs="$pkgs libelf-dev"
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# https://stackoverflow.com/questions/20010199/determining-if-a-process-runs-inside-lxc-docker
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if [ -f /.dockerenv ]; then
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# --jobs is not available in git 2.7.4 from Ubuntu 16.04.
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gitjobs=
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mysudo=
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# https://askubuntu.com/questions/496549/error-you-must-put-some-source-uris-in-your-sources-list
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sed -Ei 's/^# deb-src/deb-src/' /etc/apt/sources.list
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y=-y
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else
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gitjobs="--jobs $(nproc)"
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mysudo=sudo
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fi
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$mysudo apt-get update $y
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# Building SDL for QEMU in Buildroot was rejected upstream because it adds many dependencies:
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# https://patchwork.ozlabs.org/patch/770684/
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# We are just using the host SDL for now, if it causes too much problems we might remove it.
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# libsdl2-dev needs to be installed separatedly from sudo apt-get build-dep qemu
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# because Ubuntu 16.04's QEMU uses SDL 1.
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$mysudo apt-get install $y \
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$pkgs \
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$interactive_pkgs \
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;
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if "$qemu"; then
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$mysudo apt-get build-dep $y qemu
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fi
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if "$gem5"; then
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# Generate graphs of config.ini under m5out.
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pip install --user pydot
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fi
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## Submodules
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if "$qemu"; then
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submodules="$submodules qemu"
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fi
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if "$gem5"; then
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submodules="$submodules gem5/gem5"
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fi
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(
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set -e
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# Shallow cloning saves a considerable amount of time, specially because of the linux kernel.
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# However, git submodules are buggy as usual, and this is the best way I've found to get it done:
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# https://stackoverflow.com/questions/2144406/git-shallow-submodules/47374702#47374702
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# In particular:
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# - `shallow = true` on the submodule has no effect for the non default educational branches of our submodules
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# - QEMU's submodules point to commits that are neither under branches nor tags, and so `--shallow-submodules` fails
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git submodule update --depth 1 $gitjobs --init -- $submodules
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if "$qemu"; then
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cd qemu
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git submodule update --init --recursive
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fi
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) &
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# https://unix.stackexchange.com/questions/65532/why-does-set-e-not-work-inside-subshells-with-parenthesis-followed-by-an-or
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wait $! || git submodule update --init --recursive -- $submodules
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