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Add CPU vendor detection and dynamic kernel parameter updates

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Implement logic to detect CPU vendor (Intel/AMD) and append appropriate pstate parameters to GRUB configuration. Improve localization, enhance idempotency when setting parameters, and include backup creation and theme update handling.
This commit is contained in:
DragonSlayer_14
2026-08-08 23:27:00 +02:00
parent 6fbc4ff9d0
commit fbea2fef38
1 changed files with 51 additions and 4 deletions
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04-grub.sh
+49 -2
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@@ -4,30 +4,77 @@ GRUB_CFG="/etc/default/grub"
GRUB_TIMEOUT=0 GRUB_TIMEOUT=0
GRUB_TIMEOUT_STYLE=hidden GRUB_TIMEOUT_STYLE=hidden
GRUB_CMDLINE_LINUX_DEFAULT="quiet splash apparmor=1 usbcore.autosuspend=-1 vt.global_cursor_default=0 loglevel=3 rd.luks.options=discard plymouth.ignore-serial-consoles threadirqs" GRUB_CMDLINE_LINUX_DEFAULT_BASE="quiet splash apparmor=1 usbcore.autosuspend=-1 vt.global_cursor_default=0 loglevel=3 rd.luks.options=discard plymouth.ignore-serial-consoles threadirqs"
GRUB_CMDLINE_LINUX="rcutree.rcu_idle_gp_delay=1" GRUB_CMDLINE_LINUX="rcutree.rcu_idle_gp_delay=1"
GRUB_THEME_DIR="/usr/share/debian-gaming/grub/grub2-themes" GRUB_THEME_DIR="/usr/share/debian-gaming/grub/grub2-themes"
# CPU-Treiber automatisch erkennen und hinzufügen
CPU_VENDOR=$(lscpu | grep -oP 'Vendor ID:\s*\K.*' | tr -d ' ')
CPU_MODEL=$(lscpu | grep -oP 'Model name:\s*\K.*' | head -c 20)
echo "Erkannte CPU: $CPU_MODEL ($CPU_VENDOR)"
case "$CPU_VENDOR" in
"AuthenticAMD")
CPU_PARAM="amd_pstate=active"
echo "AMD CPU erkannt → amd_pstate=active wird hinzugefügt"
;;
"GenuineIntel")
CPU_PARAM="intel_pstate=active"
echo "Intel CPU erkannt → intel_pstate=active wird hinzugefügt"
;;
*)
CPU_PARAM=""
echo "⚠️ Unbekannter CPU-Hersteller ($CPU_VENDOR) – kein pstate-Parameter"
;;
esac
# CPU-Parameter anhängen, falls vorhanden
if [ -n "$CPU_PARAM" ]; then
# Prüfen ob Parameter bereits existiert (idempotent machen)
if ! echo "$GRUB_CMDLINE_LINUX_DEFAULT_BASE" | grep -q "amd_pstate\|intel_pstate"; then
GRUB_CMDLINE_LINUX_DEFAULT="$GRUB_CMDLINE_LINUX_DEFAULT_BASE $CPU_PARAM"
fi
else
GRUB_CMDLINE_LINUX_DEFAULT="$GRUB_CMDLINE_LINUX_DEFAULT_BASE"
fi
# Root-Check
if [ "$(id -u)" -ne 0 ]; then if [ "$(id -u)" -ne 0 ]; then
echo "❌ The Script has to be run as root!" echo "❌ Das Script muss als root ausgeführt werden!"
exit 1 exit 1
fi fi
# Backup erstellen
cp "$GRUB_CFG" "$GRUB_CFG.bak" cp "$GRUB_CFG" "$GRUB_CFG.bak"
echo "✅ Backup erstellt: $GRUB_CFG.bak"
# GRUB-Parameter setzen (sed mit Exit-Code-Handling für nicht-existente Keys)
sed -i "s|^GRUB_TIMEOUT=.*|GRUB_TIMEOUT=$GRUB_TIMEOUT|" "$GRUB_CFG" sed -i "s|^GRUB_TIMEOUT=.*|GRUB_TIMEOUT=$GRUB_TIMEOUT|" "$GRUB_CFG"
sed -i "s|^GRUB_TIMEOUT_STYLE=.*|GRUB_TIMEOUT_STYLE=$GRUB_TIMEOUT_STYLE|" "$GRUB_CFG" sed -i "s|^GRUB_TIMEOUT_STYLE=.*|GRUB_TIMEOUT_STYLE=$GRUB_TIMEOUT_STYLE|" "$GRUB_CFG"
sed -i "s|^GRUB_CMDLINE_LINUX_DEFAULT=.*|GRUB_CMDLINE_LINUX_DEFAULT=\"$GRUB_CMDLINE_LINUX_DEFAULT\"|" "$GRUB_CFG" sed -i "s|^GRUB_CMDLINE_LINUX_DEFAULT=.*|GRUB_CMDLINE_LINUX_DEFAULT=\"$GRUB_CMDLINE_LINUX_DEFAULT\"|" "$GRUB_CFG"
sed -i "s|^GRUB_CMDLINE_LINUX=.*|GRUB_CMDLINE_LINUX=\"$GRUB_CMDLINE_LINUX\"|" "$GRUB_CFG" sed -i "s|^GRUB_CMDLINE_LINUX=.*|GRUB_CMDLINE_LINUX=\"$GRUB_CMDLINE_LINUX\"|" "$GRUB_CFG"
# Falls Parameter nicht existierten, nachhaken (falls sed nichts geändert hat)
grep -q '^GRUB_TIMEOUT=' "$GRUB_CFG" || echo "GRUB_TIMEOUT=$GRUB_TIMEOUT" >> "$GRUB_CFG" grep -q '^GRUB_TIMEOUT=' "$GRUB_CFG" || echo "GRUB_TIMEOUT=$GRUB_TIMEOUT" >> "$GRUB_CFG"
grep -q '^GRUB_TIMEOUT_STYLE=' "$GRUB_CFG" || echo "GRUB_TIMEOUT_STYLE=$GRUB_TIMEOUT_STYLE" >> "$GRUB_CFG" grep -q '^GRUB_TIMEOUT_STYLE=' "$GRUB_CFG" || echo "GRUB_TIMEOUT_STYLE=$GRUB_TIMEOUT_STYLE" >> "$GRUB_CFG"
grep -q '^GRUB_CMDLINE_LINUX_DEFAULT=' "$GRUB_CFG" || echo "GRUB_CMDLINE_LINUX_DEFAULT=\"$GRUB_CMDLINE_LINUX_DEFAULT\"" >> "$GRUB_CFG" grep -q '^GRUB_CMDLINE_LINUX_DEFAULT=' "$GRUB_CFG" || echo "GRUB_CMDLINE_LINUX_DEFAULT=\"$GRUB_CMDLINE_LINUX_DEFAULT\"" >> "$GRUB_CFG"
grep -q '^GRUB_CMDLINE_LINUX=' "$GRUB_CFG" || echo "GRUB_CMDLINE_LINUX=\"$GRUB_CMDLINE_LINUX\"" >> "$GRUB_CFG" grep -q '^GRUB_CMDLINE_LINUX=' "$GRUB_CFG" || echo "GRUB_CMDLINE_LINUX=\"$GRUB_CMDLINE_LINUX\"" >> "$GRUB_CFG"
# GRUB-Theme installieren
mkdir -p "$GRUB_THEME_DIR" mkdir -p "$GRUB_THEME_DIR"
if [ ! -d "$GRUB_THEME_DIR/.git" ]; then
git clone https://github.com/vinceliuice/grub2-themes.git "$GRUB_THEME_DIR" git clone https://github.com/vinceliuice/grub2-themes.git "$GRUB_THEME_DIR"
"$GRUB_THEME_DIR/install.sh" -b -t vimix "$GRUB_THEME_DIR/install.sh" -b -t vimix
else
echo "✅ Theme bereits installiert, wird aktualisiert..."
cd "$GRUB_THEME_DIR" && git pull
"./install.sh" -b -t vimix
fi
# GRUB aktualisieren
sudo update-grub sudo update-grub
echo "✅ GRUB-Konfiguration aktualisiert!"
echo "📝 Neue Kernel-Parameter: $GRUB_CMDLINE_LINUX_DEFAULT"