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https://github.com/ps5-linux/ps5-linux-image.git
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292c9c02fd
- Add distros/cachyos image.yaml and helper files under files/ - Wire kernel packaging and --distro cachyos in build_image.sh - Stage CachyOS artifacts in image-builder entrypoints; include cachyos in multi image - Add boot/kexec-cachyos.sh and document in README Co-authored-by: Cursor <cursoragent@cursor.com>
79 lines
2.7 KiB
Bash
79 lines
2.7 KiB
Bash
#!/bin/bash
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# steamos-session-select — switch between Gamescope and KDE Plasma (no SDDM).
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#
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# Called by Steam's "Power > Switch to Desktop" (passes "desktop") and by the
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# "Return to Gaming Mode" desktop shortcut (passes "gamescope").
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#
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# Mechanism
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# Root : write ~/.config/ps5-next-session to "plasma" or "gamescope"
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# Non-root: sudo to write the token, then end / restart the session.
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#
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# Direction notes
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# Plasma -> Gamescope: terminate the Plasma session; agetty autologin re-runs the
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# profile.d script, reads the token and execs gamescope-session-ps5.
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# Gamescope -> Plasma: a soft tty handoff leaves the AMD GPU's DP->HDMI bridge in
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# a state that produces a black HDMI image even with KWin running and a valid
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# 2560x1440 mode set. PCI function-level reset hangs the GPU; amdgpu module
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# reload fails with EBUSY because fbcon / snd-hda hold refcounts. Only a real
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# reboot — which power-cycles PCI and re-runs atombios — clears the bridge,
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# so this direction calls `systemctl reboot`. The next-session token has
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# already been written, so tty1 boots straight into Plasma after the reboot.
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# On PS5 the boot chain requires re-running the jailbreak after a reboot;
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# this is an accepted limitation.
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#
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# Optional: write `plasmax11` to ~/.config/ps5-next-session for an X11 escape
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# hatch via startx + startplasma-x11 (ps5-tty-session.sh).
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set -euo pipefail
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MARKER="/etc/ps5-use-tty-sessions"
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SESSION_FILE="/home/steam/.config/ps5-next-session"
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session="${1:-gamescope}"
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# ---------- Root path: write next tty session token ----------
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if [[ $EUID -eq 0 ]]; then
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case "$session" in
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gamescope)
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next="gamescope"
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;;
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desktop|plasma|plasma-wayland|plasmax11)
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next="plasma"
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;;
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*)
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echo >&2 "steamos-session-select: unrecognised session '$session'"
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exit 1
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;;
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esac
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if [[ ! -f "$MARKER" ]]; then
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echo >&2 "steamos-session-select: $MARKER missing — image not using tty sessions"
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exit 1
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fi
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mkdir -p "$(dirname "$SESSION_FILE")"
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printf '%s\n' "$next" >"$SESSION_FILE"
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sync
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chown steam:steam "$SESSION_FILE"
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chmod 644 "$SESSION_FILE"
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echo "steamos-session-select: next tty1 session set to $next"
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exit 0
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fi
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# ---------- Non-root path: escalate, then end / restart the session ----------
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sudo "$(realpath "$0")" "$session"
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case "$session" in
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gamescope)
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if [[ -n "${XDG_SESSION_ID:-}" ]]; then
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loginctl terminate-session "$XDG_SESSION_ID"
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else
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pkill -u steam kwin_wayland || true
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pkill -u steam kwin_x11 || true
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fi
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;;
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desktop|plasma|plasma-wayland|plasmax11)
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exec sudo systemctl reboot
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;;
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esac
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