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gem5: track build and run variants separately with -M and -N

Browse Source 
Otherwise, checking out branches is too insane, as it does not
update the worktrees, even though the gem5/gem5 module was updated.

gem5: expose build types, document debug builds.

simultaneous runs: store stdout and stderr on a file to allow running
all from a single terminal on the background cleanly.
This commit is contained in:
Ciro Santilli
2018-06-27 15:18:13 +01:00
parent 71e927e63b
commit 1721f184d6
10 changed files with 123 additions and 35 deletions
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13
gem5/build
View File

@@ -1,10 +1,11 @@
#!/usr/bin/env bash
set -eux
arch=x86_64
build_type=opt
cross_compile=
j=
outdir="$(pwd)"
while getopts a:c:j:o: OPT; do
while getopts a:c:j:o:t: OPT; do
case "$OPT" in
a)
arch="$OPTARG"
@@ -18,6 +19,12 @@ while getopts a:c:j:o: OPT; do
o)
outdir="$OPTARG"
;;
t)
build_type="$OPTARG"
;;
?)
exit 2
;;
esac
done
shift "$(($OPTIND - 1))"
@@ -30,7 +37,7 @@ disks_dir="${system_dir}/disks"
mkdir -p "$binaries_dir" "$disks_dir"
export PATH="/usr/lib/ccache:${PATH}"
if [ "$arch" = x86_64 ]; then
scons -j "$j" --ignore-style "${outdir}/build/X86/gem5.opt"
scons -j "$j" --ignore-style "${outdir}/build/X86/gem5.${build_type}"
f="${disks_dir}/linux-bigswap2.img"
dd if=/dev/zero of="$f" bs=1024 count=65536
mkswap "$f"
@@ -38,7 +45,7 @@ if [ "$arch" = x86_64 ]; then
# I'm not even joking. No one has ever built x86 gem5 without the magic dist dir present.
touch "${binaries_dir}/x86_64-vmlinux-2.6.22.9"
elif [ "$arch" = arm ] || [ "$arch" = aarch64 ]; then
scons -j "$j" --ignore-style "${outdir}/build/ARM/gem5.opt"
scons -j "$j" --ignore-style "${outdir}/build/ARM/gem5.${build_type}"
make -C ./system/arm/dt/
mkdir -p "${system_dir}/arm/dt"
# || true in case they are the same directory.

2
gem5/external.mk
View File

@@ -16,7 +16,7 @@ endif
define GEM5_BUILD_CMDS
# TODO cannot pass "-c '$(TARGET_CROSS)'" here because the ARM build uses aarch64 for the bootloader...
cd '$(GEM5_LKMC_SRCDIR)' && '$(GEM5_SITE)/build' -a '$(ARCH)' -j '$(BR2_JLEVEL)' -o '$(GEM5_LKMC_OUTDIR)'
cd '$(GEM5_LKMC_SRCDIR)' && '$(GEM5_SITE)/build' -a '$(ARCH)' -j '$(BR2_JLEVEL)' -o '$(GEM5_LKMC_OUTDIR)' -t '$(GEM5_LKMC_GEM5_BUILD_TYPE)'
# TODO cannot use TARGET_CONFIGURE_OPTS here because it overrides the CFLAGS on m5,
# which have an include. We should patch gem5 to add a += instead of = there.