mirror of
https://github.com/cirosantilli/linux-kernel-module-cheat.git
synced 2026-01-23 18:25:57 +01:00
9e5173f324
Add gem5 as buildroot package to cross compile m5. Add gem5 as a submodule. Split gem5 from arch on CLI with "-a arm -g" instead of "-a arm-gem5".
38 lines
1.3 KiB
Plaintext
Executable File
38 lines
1.3 KiB
Plaintext
Executable File
#/usr/bin/env bash
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set -eu
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arch=arm
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while getopts 'a:' OPT; do
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case "$OPT" in
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a)
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arch="$OPTARG"
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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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top="$(pwd)/gem5"
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system_dir="${top}/gem5-system"
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binaries_dir="${system_dir}/binaries"
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disks_dir="${system_dir}/disks"
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mkdir -p "$binaries_dir" "$disks_dir"
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cd "${top}/gem5"
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if [ "$arch" = x86_64 ]; then
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CC=gcc-6 CXX=g++-6 scons -j"$(nproc)" --ignore-style build/X86/gem5.opt
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f="${disks_dir}/linux-bigswap2.img"
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dd if=/dev/zero of="$f" bs=1024 count=65536
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mkswap "$f"
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# This file must always be present, despite --kernel overriding that default and selecting the kernel.
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# I'm not even joking. No one has ever built x86 gem5 without the magic dist dir present.
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touch "${binaries_dir}/x86_64-vmlinux-2.6.22.9"
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elif [ "$arch" = arm ]; then
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# Compilation fails with gcc 7 on that commit.
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# There were some recent portability patches, so it will likely get there soon.
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CC=gcc-6 CXX=g++-6 scons -j"$(nproc)" --ignore-style build/ARM/gem5.opt
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make -C system/arm/dt
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make -C system/arm/simple_bootloader
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make -C system/arm/aarch64_bootloader/
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cp ./system/arm/simple_bootloader/boot_emm.arm "$binaries_dir"
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cp ./system/arm/aarch64_bootloader/boot_emm.arm64 "$binaries_dir"
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fi
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# TODO vs telnet?
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make -C util/term
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