Upload stock kernel

Android.bp

@@ -0,0 +1,31 @@
+cc_binary_host {
+    name: "unifdef",
+    srcs: ["scripts/unifdef.c"],
+    sanitize: {
+        never: true,
+    }
+}
+
+gensrcs {
+    name: "qseecom-kernel-includes",
+
+    // move to out/ as root for header generation because of scripts/unifdef
+    // storage - at the expense of extra ../ references
+    cmd: "pushd out && mkdir -p scripts && rm -f scripts/unifdef && ln -s ../../$(location unifdef) scripts/unifdef && ../$(location scripts/headers_install.sh) `dirname ../$(out)` ../ $(in) && popd",
+
+    tools: ["unifdef"],
+    tool_files: ["scripts/headers_install.sh"],
+    export_include_dirs: ["include/uapi"],
+    srcs: [
+          "include/uapi/linux/qseecom.h",
+          "include/uapi/linux/ion.h",
+    ],
+    output_extension: "h",
+}
+
+cc_library_headers {
+    name: "qseecom-kernel-headers",
+    generated_headers: ["qseecom-kernel-includes"],
+    vendor_available: true,
+    export_generated_headers: ["qseecom-kernel-includes"],
+}

AndroidKernel.mk

@@ -0,0 +1,213 @@
+#Android makefile to build kernel as a part of Android Build
+PERL		= perl
+
+KERNEL_TARGET := $(strip $(INSTALLED_KERNEL_TARGET))
+ifeq ($(KERNEL_TARGET),)
+INSTALLED_KERNEL_TARGET := $(PRODUCT_OUT)/kernel
+endif
+
+# Samsung specific Kconfig
+ifeq ( ,$(findstring VARIANT_DEFCONFIG, $(KERNEL_DEFCONFIG)))
+KERNEL_DEFCONFIG += VARIANT_DEFCONFIG=$(VARIANT_DEFCONFIG) \
+		DEBUG_DEFCONFIG=$(DEBUG_DEFCONFIG) \
+		SELINUX_DEFCONFIG=$(SELINUX_DEFCONFIG) \
+		SELINUX_LOG_DEFCONFIG=$(SELINUX_LOG_DEFCONFIG) \
+		TIMA_DEFCONFIG=$(TIMA_DEFCONFIG) \
+		DMVERITY_DEFCONFIG=$(DMVERITY_DEFCONFIG) \
+		KASLR_DEFCONFIG=$(KASLR_DEFCONFIG)
+endif
+
+TARGET_KERNEL_ARCH := $(strip $(TARGET_KERNEL_ARCH))
+ifeq ($(TARGET_KERNEL_ARCH),)
+KERNEL_ARCH := arm
+else
+KERNEL_ARCH := $(TARGET_KERNEL_ARCH)
+endif
+
+TARGET_KERNEL_HEADER_ARCH := $(strip $(TARGET_KERNEL_HEADER_ARCH))
+ifeq ($(TARGET_KERNEL_HEADER_ARCH),)
+KERNEL_HEADER_ARCH := $(KERNEL_ARCH)
+else
+$(warning Forcing kernel header generation only for '$(TARGET_KERNEL_HEADER_ARCH)')
+KERNEL_HEADER_ARCH := $(TARGET_KERNEL_HEADER_ARCH)
+endif
+
+KERNEL_HEADER_DEFCONFIG := $(strip $(KERNEL_HEADER_DEFCONFIG))
+ifeq ($(KERNEL_HEADER_DEFCONFIG),)
+KERNEL_HEADER_DEFCONFIG := $(KERNEL_DEFCONFIG)
+endif
+
+# Force 32-bit binder IPC for 64bit kernel with 32bit userspace
+ifeq ($(KERNEL_ARCH),arm64)
+ifeq ($(TARGET_ARCH),arm)
+KERNEL_CONFIG_OVERRIDE := CONFIG_ANDROID_BINDER_IPC_32BIT=y
+endif
+endif
+
+TARGET_KERNEL_CROSS_COMPILE_PREFIX := $(strip $(TARGET_KERNEL_CROSS_COMPILE_PREFIX))
+ifeq ($(TARGET_KERNEL_CROSS_COMPILE_PREFIX),)
+KERNEL_CROSS_COMPILE := arm-eabi-
+else
+KERNEL_CROSS_COMPILE := $(TARGET_KERNEL_CROSS_COMPILE_PREFIX)
+endif
+
+ifeq ($(TARGET_PREBUILT_KERNEL),)
+
+KERNEL_GCC_NOANDROID_CHK := $(shell (echo "int main() {return 0;}" | $(KERNEL_CROSS_COMPILE)gcc -E -mno-android - > /dev/null 2>&1 ; echo $$?))
+ifeq ($(strip $(KERNEL_GCC_NOANDROID_CHK)),0)
+KERNEL_CFLAGS := KCFLAGS=-mno-android
+endif
+
+mkfile_path := $(abspath $(lastword $(MAKEFILE_LIST)))
+current_dir := $(notdir $(patsubst %/,%,$(dir $(mkfile_path))))
+ifeq ($(TARGET_KERNEL_VERSION),)
+    TARGET_KERNEL_VERSION := 3.18
+endif
+TARGET_KERNEL := msm-$(TARGET_KERNEL_VERSION)
+ifeq ($(TARGET_KERNEL),$(current_dir))
+    # New style, kernel/msm-version
+    BUILD_ROOT_LOC := ../../
+    TARGET_KERNEL_SOURCE := kernel/$(TARGET_KERNEL)
+    KERNEL_OUT := $(TARGET_OUT_INTERMEDIATES)/kernel/$(TARGET_KERNEL)
+    KERNEL_SYMLINK := $(TARGET_OUT_INTERMEDIATES)/KERNEL_OBJ
+    KERNEL_USR := $(KERNEL_SYMLINK)/usr
+else
+    # Legacy style, kernel source directly under kernel
+    KERNEL_LEGACY_DIR := true
+    BUILD_ROOT_LOC := ../
+    TARGET_KERNEL_SOURCE := kernel
+    KERNEL_OUT := $(TARGET_OUT_INTERMEDIATES)/KERNEL_OBJ
+endif
+
+KERNEL_CONFIG := $(KERNEL_OUT)/.config
+
+ifeq ($(KERNEL_DEFCONFIG)$(wildcard $(KERNEL_CONFIG)),)
+$(error Kernel configuration not defined, cannot build kernel)
+else
+
+ifeq ($(TARGET_USES_UNCOMPRESSED_KERNEL),true)
+$(info Using uncompressed kernel)
+TARGET_PREBUILT_INT_KERNEL := $(KERNEL_OUT)/arch/$(KERNEL_ARCH)/boot/Image
+else
+ifeq ($(KERNEL_ARCH),arm64)
+TARGET_PREBUILT_INT_KERNEL := $(KERNEL_OUT)/arch/$(KERNEL_ARCH)/boot/Image.gz
+else
+TARGET_PREBUILT_INT_KERNEL := $(KERNEL_OUT)/arch/$(KERNEL_ARCH)/boot/zImage
+endif
+endif
+
+ifeq ($(TARGET_KERNEL_APPEND_DTB), true)
+$(info Using appended DTB)
+TARGET_PREBUILT_INT_KERNEL := $(TARGET_PREBUILT_INT_KERNEL)-dtb
+endif
+
+KERNEL_HEADERS_INSTALL := $(KERNEL_OUT)/usr
+KERNEL_MODULES_INSTALL := system
+KERNEL_MODULES_OUT := $(TARGET_OUT)/lib/modules
+
+TARGET_PREBUILT_KERNEL := $(TARGET_PREBUILT_INT_KERNEL)
+
+define mv-modules
+mdpath=`find $(KERNEL_MODULES_OUT) -type f -name modules.dep`;\
+if [ "$$mdpath" != "" ];then\
+mpath=`dirname $$mdpath`;\
+ko=`find $$mpath/kernel -type f -name *.ko`;\
+for i in $$ko; do mv $$i $(KERNEL_MODULES_OUT)/; done;\
+fi
+endef
+
+define clean-module-folder
+mdpath=`find $(KERNEL_MODULES_OUT) -type f -name modules.dep`;\
+if [ "$$mdpath" != "" ];then\
+mpath=`dirname $$mdpath`; rm -rf $$mpath;\
+fi
+endef
+
+ifneq ($(KERNEL_LEGACY_DIR),true)
+$(KERNEL_USR): $(KERNEL_HEADERS_INSTALL)
+	rm -rf $(KERNEL_SYMLINK)
+	ln -s kernel/$(TARGET_KERNEL) $(KERNEL_SYMLINK)
+
+$(TARGET_PREBUILT_INT_KERNEL): $(KERNEL_USR)
+endif
+
+#Tweak defconfig for FACTORY KERNEL without additional fac_defcofig
+define modi-facdefconfig64
+chmod 664 $(TARGET_KERNEL_SOURCE)/arch/arm64/configs/$(VARIANT_DEFCONFIG)
+echo -e "\nCONFIG_SEC_FACTORY=y" >> $(TARGET_KERNEL_SOURCE)/arch/arm64/configs/$(VARIANT_DEFCONFIG)
+endef
+
+define modi-facdefconfig
+chmod 664 $(TARGET_KERNEL_SOURCE)/arch/arm/configs/$(VARIANT_DEFCONFIG)
+echo -e "\nCONFIG_SEC_FACTORY=y" >> $(TARGET_KERNEL_SOURCE)/arch/arm/configs/$(VARIANT_DEFCONFIG)
+endef
+
+define modi-shipdefconfig64
+chmod 664 $(TARGET_KERNEL_SOURCE)/arch/arm64/configs/$(VARIANT_DEFCONFIG)
+echo -e "\nCONFIG_SAMSUNG_PRODUCT_SHIP=y" >> $(TARGET_KERNEL_SOURCE)/arch/arm64/configs/$(VARIANT_DEFCONFIG)
+endef
+
+define modi-shipdefconfig
+chmod 664 $(TARGET_KERNEL_SOURCE)/arch/arm/configs/$(VARIANT_DEFCONFIG)
+echo -e "\nCONFIG_SAMSUNG_PRODUCT_SHIP=y" >> $(TARGET_KERNEL_SOURCE)/arch/arm/configs/$(VARIANT_DEFCONFIG)
+endef
+
+$(KERNEL_OUT):
+	mkdir -p $(KERNEL_OUT)
+
+$(KERNEL_CONFIG): $(KERNEL_OUT)
+	$(MAKE) -C $(TARGET_KERNEL_SOURCE) O=$(BUILD_ROOT_LOC)$(KERNEL_OUT) ARCH=$(KERNEL_ARCH) CROSS_COMPILE=$(KERNEL_CROSS_COMPILE) $(KERNEL_DEFCONFIG)
+	$(hide) if [ ! -z "$(KERNEL_CONFIG_OVERRIDE)" ]; then \
+			echo "Overriding kernel config with '$(KERNEL_CONFIG_OVERRIDE)'"; \
+			echo $(KERNEL_CONFIG_OVERRIDE) >> $(KERNEL_OUT)/.config; \
+			$(MAKE) -C $(TARGET_KERNEL_SOURCE) O=$(BUILD_ROOT_LOC)$(KERNEL_OUT) ARCH=$(KERNEL_ARCH) CROSS_COMPILE=$(KERNEL_CROSS_COMPILE) oldconfig; fi
+
+$(TARGET_PREBUILT_INT_KERNEL): $(KERNEL_OUT) $(KERNEL_HEADERS_INSTALL)
+	$(hide) echo "Building kernel..."
+	$(hide) rm -rf $(KERNEL_OUT)/arch/$(KERNEL_ARCH)/boot/dts
+	$(MAKE) -C $(TARGET_KERNEL_SOURCE) O=$(BUILD_ROOT_LOC)$(KERNEL_OUT) ARCH=$(KERNEL_ARCH) CROSS_COMPILE=$(KERNEL_CROSS_COMPILE) $(KERNEL_CFLAGS)
+	$(MAKE) -C $(TARGET_KERNEL_SOURCE) O=$(BUILD_ROOT_LOC)$(KERNEL_OUT) ARCH=$(KERNEL_ARCH) CROSS_COMPILE=$(KERNEL_CROSS_COMPILE) $(KERNEL_CFLAGS) modules
+	$(MAKE) -C $(TARGET_KERNEL_SOURCE) O=$(BUILD_ROOT_LOC)$(KERNEL_OUT) INSTALL_MOD_PATH=$(BUILD_ROOT_LOC)../$(KERNEL_MODULES_INSTALL) INSTALL_MOD_STRIP=1 ARCH=$(KERNEL_ARCH) CROSS_COMPILE=$(KERNEL_CROSS_COMPILE) modules_install
+	$(mv-modules)
+	$(clean-module-folder)
+
+$(KERNEL_HEADERS_INSTALL): $(KERNEL_OUT)
+ifeq ($(SEC_FACTORY_BUILD), true)
+ifeq ($(KERNEL_ARCH),arm64)
+	$(modi-facdefconfig64)
+else
+	$(modi-facdefconfig)
+endif
+endif
+ifeq ($(SEC_PRODUCT_SHIP), true)
+ifeq ($(KERNEL_ARCH),arm64)
+	$(modi-shipdefconfig64)
+else
+	$(modi-shipdefconfig)
+endif
+endif
+	$(hide) if [ ! -z "$(KERNEL_HEADER_DEFCONFIG)" ]; then \
+			rm -f $(BUILD_ROOT_LOC)$(KERNEL_CONFIG); \
+			$(MAKE) -C $(TARGET_KERNEL_SOURCE) O=$(BUILD_ROOT_LOC)$(KERNEL_OUT) ARCH=$(KERNEL_HEADER_ARCH) CROSS_COMPILE=$(KERNEL_CROSS_COMPILE) $(KERNEL_HEADER_DEFCONFIG); \
+			$(MAKE) -C $(TARGET_KERNEL_SOURCE) O=$(BUILD_ROOT_LOC)$(KERNEL_OUT) ARCH=$(KERNEL_HEADER_ARCH) CROSS_COMPILE=$(KERNEL_CROSS_COMPILE) headers_install; fi
+	$(hide) if [ "$(KERNEL_HEADER_DEFCONFIG)" != "$(KERNEL_DEFCONFIG)" ]; then \
+			echo "Used a different defconfig for header generation"; \
+			rm -f $(BUILD_ROOT_LOC)$(KERNEL_CONFIG); \
+			$(MAKE) -C $(TARGET_KERNEL_SOURCE) O=$(BUILD_ROOT_LOC)$(KERNEL_OUT) ARCH=$(KERNEL_ARCH) CROSS_COMPILE=$(KERNEL_CROSS_COMPILE) $(KERNEL_DEFCONFIG); fi
+	$(hide) if [ ! -z "$(KERNEL_CONFIG_OVERRIDE)" ]; then \
+			echo "Overriding kernel config with '$(KERNEL_CONFIG_OVERRIDE)'"; \
+			echo $(KERNEL_CONFIG_OVERRIDE) >> $(KERNEL_OUT)/.config; \
+			$(MAKE) -C $(TARGET_KERNEL_SOURCE) O=$(BUILD_ROOT_LOC)$(KERNEL_OUT) ARCH=$(KERNEL_ARCH) CROSS_COMPILE=$(KERNEL_CROSS_COMPILE) oldconfig; fi
+
+kerneltags: $(KERNEL_OUT) $(KERNEL_CONFIG)
+	$(MAKE) -C $(TARGET_KERNEL_SOURCE) O=$(BUILD_ROOT_LOC)$(KERNEL_OUT) ARCH=$(KERNEL_ARCH) CROSS_COMPILE=$(KERNEL_CROSS_COMPILE) tags
+
+kernelconfig: $(KERNEL_OUT) $(KERNEL_CONFIG)
+	env KCONFIG_NOTIMESTAMP=true \
+	     $(MAKE) -C $(TARGET_KERNEL_SOURCE) O=$(BUILD_ROOT_LOC)$(KERNEL_OUT) ARCH=$(KERNEL_ARCH) CROSS_COMPILE=$(KERNEL_CROSS_COMPILE) menuconfig
+	env KCONFIG_NOTIMESTAMP=true \
+	     $(MAKE) -C $(TARGET_KERNEL_SOURCE) O=$(BUILD_ROOT_LOC)$(KERNEL_OUT) ARCH=$(KERNEL_ARCH) CROSS_COMPILE=$(KERNEL_CROSS_COMPILE) savedefconfig
+	cp $(KERNEL_OUT)/defconfig $(TARGET_KERNEL_SOURCE)/arch/$(KERNEL_ARCH)/configs/$(KERNEL_DEFCONFIG)
+
+endif
+endif