Merge pull request #3833 from HiassofT/le92-systemd-debug-console

[le92] systemd: enable switch debug-tty to provide a debug console
2025-07-29 13:46:49 +00:00 · 2019-09-24 20:52:12 +01:00 · 2019-09-24 20:52:12 +01:00 · 236ea95fd8
commit 236ea95fd8
parent 2684517ad1 259a5b7f73
11 changed files with 53 additions and 101 deletions
--- a/distributions/LibreELEC/options
+++ b/distributions/LibreELEC/options
@ -222,3 +222,5 @@
 # IR remote keymaps supported in default config
  IR_REMOTE_KEYMAPS="rc6_mce xbox_360 xbox_one"

+# debug tty path
+  DEBUG_TTY="/dev/tty3"
--- a/packages/sysutils/busybox/package.mk
+++ b/packages/sysutils/busybox/package.mk
@ -181,7 +181,6 @@ post_install() {
  add_user nobody x 65534 65534 "Nobody" "/" "/bin/sh"
  add_group nogroup 65534

-  enable_service debug-shell.service
  enable_service shell.service
  enable_service show-version.service
  enable_service var.mount
--- a/packages/sysutils/busybox/system.d/debug-shell.service
+++ b/packages/sysutils/busybox/system.d/debug-shell.service
@ -1,25 +0,0 @@
-[Unit]
-Description=Debug Shell
-
-DefaultDependencies=no
-ConditionKernelCommandLine=|tty
-ConditionKernelCommandLine=|debugging
-ConditionPathExists=|/storage/.cache/debug.libreelec
-
-[Service]
-Environment=TTY=3
-WorkingDirectory=/storage
-ExecStart=/bin/sh -c '. /etc/profile; exec /bin/sh'
-Restart=always
-RestartSec=0
-StandardInput=tty
-TTYPath=/dev/tty3
-TTYReset=yes
-TTYVHangup=yes
-KillMode=process
-IgnoreSIGPIPE=no
-# bash ignores SIGTERM
-KillSignal=SIGHUP
-
-[Install]
-WantedBy=sysinit.target
--- a/packages/sysutils/systemd/package.mk
+++ b/packages/sysutils/systemd/package.mk
@ -89,6 +89,7 @@ PKG_MESON_OPTS_TARGET="--libdir=/usr/lib \
                       -Dkmod-path=/usr/bin/kmod \
                       -Dmount-path=/usr/bin/mount \
                       -Dumount-path=/usr/bin/umount \
+                       -Ddebug-tty=$DEBUG_TTY \
                       -Dversion-tag=${PKG_VERSION}"

 pre_configure_target() {
@ -128,9 +129,6 @@ post_makeinstall_target() {
  safe_remove $INSTALL/usr/lib/udev/rules.d/71-seat.rules
  safe_remove $INSTALL/usr/lib/udev/rules.d/73-seat-late.rules

-  # remove debug-shell.service, we install our own
-  safe_remove $INSTALL/usr/lib/systemd/system/debug-shell.service
-
  # remove getty units, we dont want a console
  safe_remove $INSTALL/usr/lib/systemd/system/autovt@.service
  safe_remove $INSTALL/usr/lib/systemd/system/console-getty.service
@ -158,8 +156,19 @@ post_makeinstall_target() {
  safe_remove $INSTALL/usr/bin/systemd-nspawn
  safe_remove $INSTALL/usr/lib/systemd/system/systemd-nspawn@.service

-  # remove genetators/catalog
-  safe_remove $INSTALL/usr/lib/systemd/system-generators
+  # remove unneeded generators
+  for gen in $INSTALL/usr/lib/systemd/system-generators/*; do
+    case "$gen" in
+      */systemd-debug-generator)
+        # keep it
+        ;;
+      *)
+        safe_remove "$gen"
+        ;;
+    esac
+  done
+
+  # remove catalog
  safe_remove $INSTALL/usr/lib/systemd/catalog

  # remove partition
--- a/packages/sysutils/systemd/patches/systemd-0300-config-env-unhide-cursor.patch
+++ b/packages/sysutils/systemd/patches/systemd-0300-config-env-unhide-cursor.patch
@ -0,0 +1,27 @@
+From 49285dae6756b22bc6881c04939f7c43c35b5506 Mon Sep 17 00:00:00 2001
+From: MilhouseVH <milhouseVH.github@nmacleod.com>
+Date: Sat, 29 Jun 2019 00:26:41 +0100
+Subject: [PATCH] debug-shell: configure environment, unhide cursor
+
+---
+ units/debug-shell.service.in | 4 ++--
+ 1 file changed, 2 insertions(+), 2 deletions(-)
+
+diff --git a/units/debug-shell.service.in b/units/debug-shell.service.in
+index 1127e68..4c3e971 100644
+--- a/units/debug-shell.service.in
+++ b/units/debug-shell.service.in
+@@ -16,8 +16,8 @@ IgnoreOnIsolate=yes
+ ConditionPathExists=@DEBUGTTY@
+ 
+ [Service]
+-Environment=TERM=linux
+-ExecStart=@SUSHELL@
+Environment=ENV=/etc/profile
+ExecStart=/bin/sh -c 'echo -en "\033[?25h"; exec /bin/sh'
+ Restart=always
+ RestartSec=0
+ StandardInput=tty
+-- 
+2.14.1
+
--- a/projects/Allwinner/filesystem/usr/lib/systemd/system/serial-console.service
+++ b/projects/Allwinner/filesystem/usr/lib/systemd/system/serial-console.service
@ -1,23 +0,0 @@
-[Unit]
-Description=Debug Shell on /dev/console
-DefaultDependencies=no
-ConditionKernelCommandLine=console
-
-[Service]
-WorkingDirectory=/storage
-Environment="ENV=/etc/profile"
-ExecStartPre=/bin/sh -c 'echo -en "\033[?25h"'
-ExecStart=/bin/sh
-Restart=always
-RestartSec=0
-StandardInput=tty
-TTYPath=/dev/console
-TTYReset=yes
-TTYVHangup=yes
-KillMode=process
-IgnoreSIGPIPE=no
-# bash ignores SIGTERM
-KillSignal=SIGHUP
-
-[Install]
-WantedBy=sysinit.target
--- a/projects/Allwinner/options
+++ b/projects/Allwinner/options
@ -73,3 +73,7 @@

  # build with installer (yes / no)
    INSTALLER_SUPPORT="no"
+
+  # debug tty path
+    DEBUG_TTY="/dev/console"
+
--- a/projects/RPi/filesystem/usr/lib/systemd/system/serial-console.service
+++ b/projects/RPi/filesystem/usr/lib/systemd/system/serial-console.service
@ -1,23 +0,0 @@
-[Unit]
-Description=Debug Shell on /dev/console
-DefaultDependencies=no
-ConditionKernelCommandLine=console
-
-[Service]
-WorkingDirectory=/storage
-Environment="ENV=/etc/profile"
-ExecStartPre=/bin/sh -c 'echo -en "\033[?25h"'
-ExecStart=/bin/sh
-Restart=always
-RestartSec=0
-StandardInput=tty
-TTYPath=/dev/console
-TTYReset=yes
-TTYVHangup=yes
-KillMode=process
-IgnoreSIGPIPE=no
-# bash ignores SIGTERM
-KillSignal=SIGHUP
-
-[Install]
-WantedBy=sysinit.target
--- a/projects/RPi/options
+++ b/projects/RPi/options
@ -130,3 +130,6 @@
  # for a list of additional drivers see packages/linux-driver-addons
  # Space separated list is supported,
    DRIVER_ADDONS="crazycat dvb-latest"
+
+  # debug tty path
+    DEBUG_TTY="/dev/console"
--- a/projects/Rockchip/filesystem/usr/lib/systemd/system/serial-console.service
+++ b/projects/Rockchip/filesystem/usr/lib/systemd/system/serial-console.service
@ -1,24 +0,0 @@
-[Unit]
-Description=Debug Shell on /dev/ttyS2
-DefaultDependencies=no
-ConditionKernelCommandLine=|console=ttyS2
-ConditionKernelCommandLine=|console=uart8250,mmio32,0xff130000
-ConditionKernelCommandLine=|console=uart8250,mmio32,0xff1a0000
-ConditionKernelCommandLine=|console=uart8250,mmio32,0xff690000
-
-[Service]
-WorkingDirectory=/storage
-Environment="ENV=/etc/profile"
-ExecStartPre=/bin/sh -c 'echo -en "\033[?25h"'
-ExecStart=/bin/sh
-Restart=always
-RestartSec=0
-StandardInput=tty
-TTYPath=/dev/ttyS2
-KillMode=process
-IgnoreSIGPIPE=no
-# bash ignores SIGTERM
-KillSignal=SIGHUP
-
-[Install]
-WantedBy=sysinit.target
--- a/projects/Rockchip/options
+++ b/projects/Rockchip/options
@ -79,3 +79,6 @@
  # for a list of additinoal drivers see packages/linux-driver-addons
  # Space separated list is supported,
    DRIVER_ADDONS="dvb-latest"
+
+  # debug tty path
+    DEBUG_TTY="/dev/ttyS2"