2016-06-17 20:38:33 +02:00
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srcdir := $(dir $(realpath $(lastword $(MAKEFILE_LIST))))
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srcdir := $(srcdir:/=)
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confdir := $(srcdir)/conf
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wrkdir := $(CURDIR)/work
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buildroot_srcdir := $(srcdir)/buildroot
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buildroot_wrkdir := $(wrkdir)/buildroot
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buildroot_tar := $(buildroot_wrkdir)/images/rootfs.tar
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sysroot_stamp := $(wrkdir)/.sysroot
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sysroot := $(wrkdir)/sysroot
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linux_srcdir := $(srcdir)/linux
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linux_wrkdir := $(wrkdir)/linux
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linux_defconfig := $(confdir)/linux_defconfig
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vmlinux := $(linux_wrkdir)/vmlinux
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vmlinux_stripped := $(linux_wrkdir)/vmlinux-stripped
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pk_srcdir := $(srcdir)/riscv-pk
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pk_wrkdir := $(wrkdir)/riscv-pk
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bbl := $(pk_wrkdir)/bbl
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bin := $(wrkdir)/bbl.bin
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2016-07-08 02:16:54 +02:00
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hex := $(wrkdir)/bbl.hex
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2016-06-17 20:38:33 +02:00
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target := riscv64-unknown-linux-gnu
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.PHONY: all
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2016-07-08 02:16:54 +02:00
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all: $(hex)
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2016-06-17 20:38:33 +02:00
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$(buildroot_tar): $(buildroot_srcdir)
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$(MAKE) -C $< O=$(buildroot_wrkdir) riscv64_defconfig
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$(MAKE) -C $< O=$(buildroot_wrkdir)
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.PHONY: buildroot-menuconfig
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buildroot-menuconfig: $(buildroot_srcdir)
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$(MAKE) -C $< O=$(buildroot_wrkdir) menuconfig
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$(sysroot_stamp): $(buildroot_tar)
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mkdir -p $(sysroot)
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tar -xpf $< -C $(sysroot) --exclude ./dev
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touch $@
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$(linux_wrkdir)/.config: $(linux_defconfig) $(linux_srcdir)
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mkdir -p $(dir $@)
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cp -p $< $@
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$(MAKE) -C $(linux_srcdir) O=$(linux_wrkdir) ARCH=riscv olddefconfig
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$(vmlinux): $(linux_srcdir) $(linux_wrkdir)/.config $(sysroot_stamp)
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$(MAKE) -C $< O=$(linux_wrkdir) \
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CONFIG_INITRAMFS_SOURCE="$(confdir)/initramfs.txt $(sysroot)" \
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CONFIG_INITRAMFS_ROOT_UID=$(shell id -u) \
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CONFIG_INITRAMFS_ROOT_GID=$(shell id -g) \
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ARCH=riscv \
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vmlinux
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$(vmlinux_stripped): $(vmlinux)
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$(target)-strip -o $@ $<
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.PHONY: linux-menuconfig
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linux-menuconfig: $(linux_wrkdir)/.config
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$(MAKE) -C $(linux_srcdir) O=$(dir $<) ARCH=riscv menuconfig savedefconfig
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$(bbl): $(pk_srcdir) $(vmlinux_stripped)
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rm -rf $(pk_wrkdir)
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mkdir -p $(pk_wrkdir)
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cd $(pk_wrkdir) && $</configure \
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--host=$(target) \
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--with-payload=$(vmlinux_stripped)
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$(MAKE) -C $(pk_wrkdir)
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$(bin): $(bbl)
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$(target)-objcopy -S -O binary --change-addresses -0x80000000 $< $@
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2016-07-08 02:16:54 +02:00
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$(hex): $(bin)
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xxd -c1 -p $< > $@
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2016-06-17 20:38:33 +02:00
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.PHONY: sysroot vmlinux bbl
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sysroot: $(sysroot)
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vmlinux: $(vmlinux)
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bbl: $(bbl)
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.PHONY: clean
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clean:
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rm -rf -- $(wrkdir)
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