From d105d109e2f21ee779b6cce8a9addfc5e6ed1d54 Mon Sep 17 00:00:00 2001
From: theofficialgman <28281419+theofficialgman@users.noreply.github.com>
Date: Tue, 31 Oct 2023 16:22:34 -0400
Subject: [PATCH] Wine (x64) and Box86: add/update function to automatically
 change kernel pagesize on PiOS

closes https://github.com/Botspot/pi-apps/issues/2475
---
 apps/Box86/install-64      | 19 ++++++++++++++++++-
 apps/Wine (x64)/install-64 |  8 ++++++++
 2 files changed, 26 insertions(+), 1 deletion(-)

diff --git a/apps/Box86/install-64 b/apps/Box86/install-64
index 89d2e4de2c..df651ebf33 100755
--- a/apps/Box86/install-64
+++ b/apps/Box86/install-64
@@ -2,7 +2,24 @@
 
 PAGE_SIZE="$(getconf PAGE_SIZE)"
 if [[ "$PAGE_SIZE" == "16384" ]]; then
-  error "User error (reporting allowed): 16K pagesize not supported on box86. Check if your system supports running 32bit ARM binaries and open an issue on Box86 GitHub if it can."
+  #switch to 4K pagesize kernel
+  if [ -f /boot/config.txt ]; then
+    text="Raspberry Pi 5 PiOS images ship by default with a 16K PageSize Linux Kernel.
+This kernel causes incompatibilities with some software including Box86 https://github.com/raspberrypi/bookworm-feedback/issues/107
+
+Would you like to automatically switch to a 4K PageSize Linux Kernel?"
+    userinput_func "$text" "No, keep 16K PageSize Kernel and Exit" "Yes, switch to 4K PageSize Kernel"
+    if [ "$output" == "No, keep 16K PageSize Kernel and Exit" ]; then
+      error "User error: Your current running kernel is build with 16K PageSize and is incompatible with Box86. You chose not to do so automatically and you must switch to a 4K PageSize kernel before installing Box86."
+    fi
+    echo "[pi5]" | sudo tee --append /boot/config.txt >/dev/null
+    echo "kernel=kernel8.img" | sudo tee --append /boot/config.txt >/dev/null
+    "${DIRECTORY}/manage" uninstall "Box64"
+    echo -e "The 4K PageSize Kernel has been enabled by adding 'kernel=kernel8.img' to /boot/config.txt\nPlease reboot and install the Box86 (and Box64 if you had it previously installed) app again."
+    sleep infinity
+  else
+    error "User error (reporting allowed): Your current running kernel is build with 16K PageSize and is incompatible with Box86. Changing kernels automatically cannot be done since no /boot/config.txt file was found."
+  fi
 fi
 
 function check-armhf() {
diff --git a/apps/Wine (x64)/install-64 b/apps/Wine (x64)/install-64
index 811d8991bc..c398d51b67 100755
--- a/apps/Wine (x64)/install-64	
+++ b/apps/Wine (x64)/install-64	
@@ -8,6 +8,14 @@ PAGE_SIZE="$(getconf PAGE_SIZE)"
 if [[ "$PAGE_SIZE" == "16384" ]]; then
   #switch to 4K pagesize kernel
   if [ -f /boot/config.txt ]; then
+    text="Raspberry Pi 5 PiOS images ship by default with a 16K PageSize Linux Kernel.
+This kernel causes incompatibilities with some software including Wine https://github.com/raspberrypi/bookworm-feedback/issues/107
+
+Would you like to automatically switch to a 4K PageSize Linux Kernel?"
+    userinput_func "$text" "No, keep 16K PageSize Kernel and Exit" "Yes, switch to 4K PageSize Kernel"
+    if [ "$output" == "No, keep 16K PageSize Kernel and Exit" ]; then
+      error "User error: Your current running kernel is build with 16K PageSize and is incompatible with Wine (x64) with Box64. You chose not to do so automatically and you must switch to a 4K PageSize kernel before installing Wine (x64)."
+    fi
     echo "[pi5]" | sudo tee --append /boot/config.txt >/dev/null
     echo "kernel=kernel8.img" | sudo tee --append /boot/config.txt >/dev/null
     "${DIRECTORY}/manage" uninstall "Box64"