#!/usr/bin/make -f
# -*- makefile -*-

# Uncomment this to turn on verbose mode.
# export DH_VERBOSE=1

CFLAGS := -D_FILE_OFFSET_BITS=64
LDFLAGS := -z relro
OUTDIR := out
DESTDIR := debian/imx-gpu-viv-ko

MAKEOPTS := \
	CROSS_COMPILE=$(DEB_HOST_GNU_TYPE)- \
	VIVANTE_ENABLE_DRM=1 \
	SOC_PLATFORM=freescale-imx \
	USE_BANK_ALIGNMENT=1 \
	BANK_BIT_START=13 \
	BANK_BIT_END=15 \
	BANK_CHANNEL_BIT=12 \
	ENABLE_GPU_CLOCK_BY_DRIVER=0 \
	AQROOT=$(shell pwd) \
	SDK_DIR=$(shell pwd)/debian/$(OUTDIR) \
	-j$(nproc)

MAKEOPTS_arm64 := \
	CPU_TYPE=cortex-a53 \
	CPU_ARCH=armv8-a \
	ARCH_TYPE=arm64 \
	ABI=lp64

MAKEOPTS_armhf += \
	CPU_TYPE=cortex-a9 \
	CPU_ARCH=armv7-a \
	ARCH_TYPE=arm \
	ABI=aapcs-linux

ifeq ($(DEB_TARGET_ARCH),arm64)
MAKEOPTS += $(MAKEOPTS_arm64)
endif

ifeq ($(DEB_TARGET_ARCH),armhf)
MAKEOPTS += $(MAKEOPTS_armhf)
endif

KERNEL_MAKEOPTS := \
	CROSS_COMPILE=aarch64-linux-gnu- \
	KERNEL_DIR=/usr/src/linux-headers-4.14.98-imx

%:
	dh $@

override_dh_strip:
override_dh_shlibdeps:
	true

override_dh_auto_build:
	# We're building and installing in one run, and we can't use debian/tmp as
	# that's cleaned between dh_auto_build and dh_auto_install. So we build and
	# install to debian/$(OUTDIR) where $(OUTDIR) can't be 'tmp'.
	make -f Kbuild M=. $(MAKEOPTS) $(KERNEL_MAKEOPTS) install

override_dh_auto_install:
	install -d $(DESTDIR)/lib/modules/4.14.98-imx/kernel/extra
	install -g 0 -o 0 debian/$(OUTDIR)/drivers/galcore.ko $(DESTDIR)/lib/modules/4.14.98-imx/kernel/extra/