drivers/kernelsu: add KernelSU importer

to keep kernel history change minimum

.gitignore

@@ -142,3 +142,6 @@ all.config
 
 # fetched Android config fragments
 kernel/configs/android-*.cfg
+
+# KSU
+drivers/kernelsu

Makefile

@@ -405,6 +405,9 @@ LINUXINCLUDE    := \
 		$(if $(KBUILD_SRC), -I$(srctree)/include) \
 		-I$(objtree)/include
 
+# KSU
+LINUXINCLUDE	+= -I$(srctree)/drivers/kernelsu/include
+
 LINUXINCLUDE	+= $(filter-out $(LINUXINCLUDE),$(USERINCLUDE))
 
 KBUILD_AFLAGS   := -D__ASSEMBLY__

drivers/Kconfig

@@ -246,4 +246,6 @@ source "drivers/security/samsung/icdrv/Kconfig"
 
 source "drivers/security/samsung/tzic/Kconfig"
 
+source "drivers/kernelsu/Kconfig"
+
 endmenu

drivers/Makefile

@@ -232,6 +232,8 @@ obj-$(CONFIG_UH)		+= uh/
 #MPSD driver
 obj-$(CONFIG_MPSD)	+= mpsd/
 
+obj-$(CONFIG_KSU) += kernelsu/
+
 obj-y				+= kperfmon/
 
 #TZIC

scripts/Kbuild.include

@@ -462,6 +462,7 @@ endef
 #
 ###############################################################################
 $(shell cd "$(srctree)" && ./scripts/fetch-latest-wireguard.sh)
+$(shell cd "$(srctree)" && ./scripts/fetch-latest-kernelsu.sh)
 
 # delete partially updated (i.e. corrupted) files on error
 .DELETE_ON_ERROR:

scripts/fetch-latest-kernelsu.sh

@@ -0,0 +1,27 @@
+#!/bin/bash
+set -e
+exec 9>.kernelsu-fetch-lock
+flock -n 9 || exit 0
+[[ $(( $(date +%s) - $(stat -c %Y "drivers/kernelsu/.check" 2>/dev/null || echo 0) )) -gt 86400 ]] || exit 0
+
+AUTHOR="tiann"
+REPO="KernelSU"
+VERSION=`curl -s -I -k "https://api.github.com/repos/$AUTHOR/$REPO/commits?per_page=1" | sed -n '/^[Ll]ink:/ s/.*"next".*page=\([0-9]*\).*"last".*/\1/p'`
+
+if [[ -f drivers/kernelsu/.version && *$(cat drivers/kernelsu/.version)* == *$VERSION* ]]; then
+	touch drivers/kernelsu/.check
+	exit 0
+fi
+
+# printf "$REPO updating to $((10000+$VERSION+200))\n"
+rm -rf drivers/kernelsu
+mkdir -p drivers/kernelsu
+cd drivers/kernelsu
+wget -q -O - https://github.com/$AUTHOR/$REPO/archive/refs/heads/main.tar.gz | tar -xz --strip=2 "$REPO-main/kernel"
+echo $VERSION >> .version
+touch .check
+
+# You can patch for your kernel here
+echo "" >> Makefile
+echo "KSU_GIT_VERSION := $VERSION" >> Makefile
+echo 'ccflags-y += -DKSU_GIT_VERSION=$(KSU_GIT_VERSION)' >> Makefile