make: add some stuff

- add cross
- add dtb checks
- add gpio tools
- add simple rootfs and produce ubifs image

Signed-off-by: Nikita Shubin <nikita.shubin@maquefel.me>

diff --git a/Makefile b/Makefile
index f1dab58758425d23dd79d13e1389f5dcc3e3e81c..ea4180ae87f68fdca1b8d0de0337807f075e11e0 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -10,7 +10,18 @@ all:    world
 #  GNU Make >= 3.82
 #  GCC ;)
 
-TARGET_ARCH ?= x86_64
+TARGET_ARCH := arm
+TARGET_CROSS := armv4t-softfloat-linux-gnueabi
+TOOLCHAIN_PREFIX :=
+TARGET_CROSS_PREFIX := ${TARGET_CROSS}
+
+ifndef TOOLCHAIN_PREFIX
+TOOLCHAIN_PREFIX := /opt/arm
+endif
+
+ifndef TARGET_CROSS_PREFIX
+TARGET_CROSS_PREFIX := ${TOOLCHAIN_PREFIX}/bin/${TARGET_CROSS}
+endif
 
 ifndef PARALLEL
 ifndef NOPARALLEL
@@ -29,36 +40,44 @@ ${SYSROOT}/.mount-stamp:    | ${SYSROOT}
 
 .PHONY: world
 
-world: ${SYSROOT}/bin/busybox \
+world: \
+       build-linux/arch/arm/boot/zImage \
+       ${SYSROOT}/lib/modules \
        ${SYSROOT}/etc/group \
        ${SYSROOT}/etc/passwd \
        ${SYSROOT}/etc/inittab \
        ${SYSROOT}/init \
        ${SYSROOT}/loginroot \
-       build-linux/arch/x86_64/boot/bzImage \
-       ${SYSROOT}/lib/modules \
-       initramfs.cpio.xz
+       ${SYSROOT}/usr/bin/lsgpio
 
-# --- kernel
+# --- linux
 
-build-linux/arch/x86/configs:
+.PHONY: .build-linux .install-modules .dtbs_check .dt_binding_check
+
+build-linux/arch/arm/configs:
        mkdir -p $@
 
-.PHONY: kernel
+build-linux/arch/arm/configs/ts7250_defconfig: configs/kernel/arch/arm/configs/ts7250_defconfig | build-linux/arch/arm/configs
+       cp $< $@
+
+build-linux/.config:   build-linux/arch/arm/configs/ts7250_defconfig
+       make ARCH=${TARGET_ARCH} -C ${KERNEL_TREE} O=${CURDIR}/build-linux ts7250_defconfig
 
-build-linux/arch/x86/configs/x86_64_qemu_defconfig: | build-linux/arch/x86/configs configs/x86_64_qemu_defconfig
-       cp configs/x86_64_qemu_defconfig $@
+build-linux/arch/arm/boot/zImage: build-linux/.config linux
+       make ${PARALLEL} -C build-linux ARCH=${TARGET_ARCH} CROSS_COMPILE=${TARGET_CROSS_PREFIX}- V=1 -s
 
-build-linux/.config:   | build-linux/arch/x86/configs/x86_64_qemu_defconfig
-       make ARCH=${TARGET_ARCH} -C ${KERNEL_TREE} O=${CURDIR}/build-linux x86_64_qemu_defconfig
+.dtbs_check:
+       PATH="${CURDIR}/dt-schema/tools/:${PATH}" \
+       make -C build-linux ARCH=${TARGET_ARCH} CROSS_COMPILE=${TARGET_CROSS_PREFIX}- dtbs_check
 
-build-linux/arch/x86_64/boot/bzImage: build-linux/.config
-       make ${PARALLEL} -C build-linux ARCH=${TARGET_ARCH} V=1
+.dt_binding_check:
+       PATH="${CURDIR}/dt-schema/tools/:${PATH}" \
+       make -C build-linux ARCH=${TARGET_ARCH} CROSS_COMPILE=${TARGET_CROSS_PREFIX}- dt_binding_check
 
-.PHONY: .install-modules
+.build-linux: build-linux/arch/arm/boot/zImage
 
-${SYSROOT}/lib/modules:        build-linux/arch/x86_64/boot/bzImage
-       make ${PARALLEL} -C build-linux INSTALL_MOD_PATH=${SYSROOT} modules_install
+${SYSROOT}/lib/modules: build-linux/arch/arm/boot/Image
+       make ARCH=${TARGET_ARCH} CROSS_COMPILE=${TARGET_CROSS_PREFIX}- ${PARALLEL} -s -C build-linux INSTALL_MOD_PATH=${SYSROOT} INSTALL_MOD_STRIP=1 modules_install
 
 .install-modules: ${SYSROOT}/lib/modules ${SYSROOT}/.mount-stamp
 
@@ -70,47 +89,68 @@ clean::
 distclean::
        -rm -rf build-linux
 
+# --- gpio-tools
+
+.PHONY: .gpio-tools
+
+build-linux/tools/gpio:
+       mkdir -p $@
+
+${SYSROOT}/usr/bin/lsgpio:  build-linux/tools/gpio
+       LDFLAGS="-static" make -C linux/tools/gpio/ O=build-linux/tools/gpio DESTDIR=${SYSROOT} ARCH=${TARGET_ARCH} CROSS_COMPILE=${TARGET_CROSS_PREFIX}- V=1 install
+
+.gpio-tools: ${SYSROOT}/usr/bin/lsgpio
+
+clean::
+       -rm -rf ${SYSROOT}/usr/bin/lsgpio
+       -rm -rf ${SYSROOT}/usr/bin/gpio-watch
+       -rm -rf ${SYSROOT}/usr/bin/gpio-event-mon
+       -rm -rf ${SYSROOT}/usr/bin/gpio-hammer
+
 # --- initramfs
 
 CREATE_DIRS := \
-        /dev \
-        /dev/pts \
-        /boot \
-        /etc \
-        /home \
-        /mnt \
-        /opt \
-        /proc \
-        /root \
-        /srv \
-        /sys \
-        /usr \
-        /var \
-        /var/log \
-        /run \
-        /tmp \
-        /lib
-
-$(patsubst %,${SYSROOT}%,${CREATE_DIRS}):       ${SYSROOT}/.mount-stamp
+       /dev \
+       /dev/pts \
+       /boot \
+       /etc \
+       /home \
+       /mnt \
+       /opt \
+       /proc \
+       /root \
+       /srv \
+       /sys \
+       /usr \
+       /var \
+       /var/log \
+       /run \
+       /tmp \
+       /lib
+
+$(patsubst %,${SYSROOT}%,${CREATE_DIRS}):      ${SYSROOT}/.mount-stamp
        install -d -m 0755 $@
 
-.PHONY:        populate-dirs
+.PHONY: populate-dirs
 
-populate-dirs: | $(patsubst %,${SYSROOT}%,${CREATE_DIRS})
+populate-dirs:  | $(patsubst %,${SYSROOT}%,${CREATE_DIRS})
 
-${SYSROOT}/etc/passwd: etc/passwd ${SYSROOT}/.mount-stamp | ${SYSROOT}/etc
+${SYSROOT}/etc/passwd:  etc/passwd ${SYSROOT}/.mount-stamp | ${SYSROOT}/etc
        install -m 644 $< $@
 
-${SYSROOT}/etc/group:  etc/group ${SYSROOT}/.mount-stamp | ${SYSROOT}/etc
+${SYSROOT}/etc/passwd:  etc/passwd ${SYSROOT}/.mount-stamp | ${SYSROOT}/etc
        install -m 644 $< $@
 
-${SYSROOT}/etc/inittab:        etc/inittab ${SYSROOT}/.mount-stamp | ${SYSROOT}/etc
+${SYSROOT}/etc/group:   etc/group ${SYSROOT}/.mount-stamp | ${SYSROOT}/etc
        install -m 644 $< $@
 
-${SYSROOT}/init:       scripts/init | ${SYSROOT}
+${SYSROOT}/etc/inittab: etc/inittab ${SYSROOT}/.mount-stamp | ${SYSROOT}/etc
+       install -m 644 $< $@
+
+${SYSROOT}/init:        scripts/init | ${SYSROOT}
        install -m 755 $< $@
 
-${SYSROOT}/loginroot:  scripts/loginroot | ${SYSROOT}
+${SYSROOT}/loginroot:   scripts/loginroot | ${SYSROOT}
        install -m 755 $< $@
 
 # --- busybox
@@ -118,17 +158,17 @@ ${SYSROOT}/loginroot:     scripts/loginroot | ${SYSROOT}
 build-busybox:
        mkdir $@
 
-busybox/configs/qemu_defconfig:        configs/busybox_config
+busybox/configs/ts7250_defconfig:      configs/busybox_config
        cp $< $@
 
-build-busybox/.config: busybox/configs/qemu_defconfig | build-busybox
-       make -C busybox O=../build-busybox ARCH=${TARGET_ARCH} qemu_defconfig
+build-busybox/.config: busybox/configs/ts7250_defconfig | build-busybox
+       make -C busybox O=../build-busybox ARCH=${TARGET_ARCH} CROSS_COMPILE=${TARGET_CROSS_PREFIX}- defconfig
 
 build-busybox/busybox: build-busybox/.config
-       make ${PARALLEL} -C build-busybox ARCH=${TARGET_ARCH}
+       make -C build-busybox ${PARALLEL} ARCH=${TARGET_ARCH} CROSS_COMPILE=${TARGET_CROSS_PREFIX}- V=1
 
 ${SYSROOT}/bin/busybox:        build-busybox/busybox | populate-dirs
-       make ${PARALLEL} -C build-busybox ARCH=${TARGET_ARCH} CONFIG_PREFIX=${SYSROOT} install
+       make -C build-busybox ${PARALLEL} ARCH=${TARGET_ARCH} CROSS_COMPILE=${TARGET_CROSS_PREFIX}- CONFIG_PREFIX=${SYSROOT} install
        rm -rf ${SYSROOT}/linuxrc
 
 .PHONY: .install-busybox
@@ -141,11 +181,42 @@ clean::
 distclean::
        rm -rf build-busybox
 
-initramfs.cpio.xz: ${SYSROOT}/bin/busybox ${SYSROOT}/loginroot ${SYSROOT}/init ${SYSROOT}/etc/inittab ${SYSROOT}/etc/group ${SYSROOT}/etc/passwd .install-modules
-       (cd ${SYSROOT} && find . -print0 | cpio --null -ov --format=newc | xz -C crc32 > ../initramfs.cpio.xz)
+initramfs: ${SYSROOT}/bin/busybox ${SYSROOT}/loginroot ${SYSROOT}/init ${SYSROOT}/etc/inittab ${SYSROOT}/etc/group ${SYSROOT}/etc/passwd populate-dirs
+
+.PHONY: build-image-clean
+
+build-image:
+       mkdir -p $@
+
+build-image-clean:     initramfs | build-image
+       rm -rf build-image/rootfs
+       mkdir build-image/rootfs
+       (cd ${SYSROOT} && tar cf - . ) | (cd build-image/rootfs; tar xf - )
+       rm -rf build-image/rootfs/usr/{include,share/doc,share/info}
+       rm -rf build-image/rootfs/var/db/*
+       rm -rf build-image/rootfs/var/lib/*
+       rm -rf build-image/rootfs/var/log/*
+       rm -rf build-image/rootfs/var/run/*
+       rm -rf build-image/rootfs/usr/share/man
+       rm -rf build-image/rootfs/usr/local/share/man
+       rm -rf build-image/rootfs/usr/share/pkgconfig build-image/rootfs/usr/lib/pkgconfig
+       rm -rf build-image/rootfs/usr/share/locale/{el,ko,sl,be,eo,bs,nb,pt,tr,ro,uk,it,hu,sv,id,kk,es,zh_CN,da,de,vi,pt_BR,nl,en_GB,ia,sq,sr,af,ru,pl,cs,tl,dz,sk,ja,nn,he,fr,zh_TW,km,gl,fi,eu,ga,lt,hr,bg,rw,ca,et,ne}
+       rm -rf build-image/rootfs/etc/ssl/man
+       find build-image/rootfs \( -name "*.a" -o -name "*.la" -o -name "*.o" \) -exec rm -rf {} \;
+       rm -f build-image/rootfs/usr/bin/{strings,strip,ranlib,readelf,objdump,objcopy,nm,ld.gold,ld.bfd,ld}
+       rm -f build-image/rootfs/usr/bin/{gdb,gdbserver,gprof,flex++,flex,c++filt,as,ar,addr2line}
+       rm -f build-image/rootfs/usr/bin/{strace,strace-graph,strace-log-merge}
+       rm -f build-image/rootfs/bin/udevadm
+       rm -f build-image/rootfs/sbin/{udevd,udevadm}
+       rm -rf build-image/rootfs/etc/udev
+       rm -rf build-image/rootfs/lib/udev
+       find build-image/rootfs -path build-image/rootfs/lib/modules -prune -o -type f -print | while read f; do file $$f | grep -q 'ELF 32-bit MSB' && { ${TARGET_CROSS_PREFIX}-strip -s -p $$f || true; } || true; done
+
+rootfs.ubifs:  build-image-clean
+       mkfs -t ubifs -r build-image/rootfs -m 2048 -e 126976 -c 1338 -l 3 -o $@
 
 clean::
-       -rm -rf initramfs.cpio.xz
+       -rm -rf rootfs.ubifs
 
 distclean::
-       rm -rf ${SYSROOT}
+       -rm -rf ${SYSROOT}