249 lines
8.5 KiB
Makefile
249 lines
8.5 KiB
Makefile
# RISCV should either be unset, or set to point to a directory that contains
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# a toolchain install tree that was built via other means.
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RISCV ?= $(CURDIR)/toolchain
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PATH := $(RISCV)/bin:$(PATH)
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ISA ?= rv64imafdc
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ABI ?= lp64d
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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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toolchain_srcdir := $(srcdir)/riscv-gnu-toolchain
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toolchain_wrkdir := $(wrkdir)/riscv-gnu-toolchain
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toolchain_dest := $(CURDIR)/toolchain
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buildroot_srcdir := $(srcdir)/buildroot
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buildroot_initramfs_wrkdir := $(wrkdir)/buildroot_initramfs
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buildroot_initramfs_tar := $(buildroot_initramfs_wrkdir)/images/rootfs.tar
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buildroot_initramfs_config := $(confdir)/buildroot_initramfs_config
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buildroot_initramfs_sysroot_stamp := $(wrkdir)/.buildroot_initramfs_sysroot
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buildroot_initramfs_sysroot := $(wrkdir)/buildroot_initramfs_sysroot
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buildroot_rootfs_wrkdir := $(wrkdir)/buildroot_rootfs
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buildroot_rootfs_ext := $(buildroot_rootfs_wrkdir)/images/rootfs.ext4
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buildroot_rootfs_config := $(confdir)/buildroot_rootfs_config
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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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hex := $(wrkdir)/bbl.hex
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fesvr_srcdir := $(srcdir)/riscv-fesvr
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fesvr_wrkdir := $(wrkdir)/riscv-fesvr
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libfesvr := $(fesvr_wrkdir)/prefix/lib/libfesvr.so
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spike_srcdir := $(srcdir)/riscv-isa-sim
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spike_wrkdir := $(wrkdir)/riscv-isa-sim
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spike := $(spike_wrkdir)/prefix/bin/spike
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qemu_srcdir := $(srcdir)/riscv-qemu
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qemu_wrkdir := $(wrkdir)/riscv-qemu
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qemu := $(qemu_wrkdir)/prefix/bin/qemu-system-riscv64
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rootfs := $(wrkdir)/rootfs.bin
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target := riscv64-unknown-linux-gnu
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.PHONY: all
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all: $(hex)
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@echo
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@echo "This image has been generated for an ISA of $(ISA) and an ABI of $(ABI)"
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@echo "Find the image in work/bbl.bin, which should be written to a boot partition"
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@echo
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@echo "To completely erase, reformat, and program a disk sdX, run:"
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@echo " sudo make DISK=/dev/sdX format-boot-loader"
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@echo " ... you will need gdisk and e2fsprogs installed"
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@echo
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ifneq ($(RISCV),$(toolchain_dest))
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$(RISCV)/bin/$(target)-gcc:
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$(error The RISCV environment variable was set, but is not pointing at a toolchain install tree)
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endif
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$(toolchain_dest)/bin/$(target)-gcc: $(toolchain_srcdir)
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mkdir -p $(toolchain_wrkdir)
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$(MAKE) -C $(linux_srcdir) O=$(dir $<) ARCH=riscv INSTALL_HDR_PATH=$(abspath $(toolchain_srcdir)/linux-headers) headers_install
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cd $(toolchain_wrkdir); $(toolchain_srcdir)/configure \
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--prefix=$(toolchain_dest) \
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--with-arch=$(ISA) \
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--with-abi=$(ABI) \
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--enable-linux
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$(MAKE) -C $(toolchain_wrkdir)
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sed 's/^#define LINUX_VERSION_CODE.*/#define LINUX_VERSION_CODE 263682/' -i $(toolchain_dest)/sysroot/usr/include/linux/version.h
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$(buildroot_initramfs_wrkdir)/.config: $(buildroot_srcdir)
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rm -rf $(dir $@)
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mkdir -p $(dir $@)
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cp $(buildroot_initramfs_config) $@
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$(MAKE) -C $< RISCV=$(RISCV) PATH=$(PATH) O=$(buildroot_initramfs_wrkdir) olddefconfig
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$(buildroot_initramfs_tar): $(buildroot_srcdir) $(buildroot_initramfs_wrkdir)/.config $(RISCV)/bin/$(target)-gcc $(buildroot_initramfs_config)
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$(MAKE) -C $< RISCV=$(RISCV) PATH=$(PATH) O=$(buildroot_initramfs_wrkdir)
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.PHONY: buildroot_initramfs-menuconfig
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buildroot_initramfs-menuconfig: $(buildroot_initramfs_wrkdir)/.config $(buildroot_srcdir)
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$(MAKE) -C $(dir $<) O=$(buildroot_initramfs_wrkdir) menuconfig
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$(MAKE) -C $(dir $<) O=$(buildroot_initramfs_wrkdir) savedefconfig
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cp $(dir $<)/defconfig conf/buildroot_initramfs_config
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$(buildroot_rootfs_wrkdir)/.config: $(buildroot_srcdir)
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rm -rf $(dir $@)
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mkdir -p $(dir $@)
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cp $(buildroot_rootfs_config) $@
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$(MAKE) -C $< RISCV=$(RISCV) PATH=$(PATH) O=$(buildroot_rootfs_wrkdir) olddefconfig
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$(buildroot_rootfs_ext): $(buildroot_srcdir) $(buildroot_rootfs_wrkdir)/.config $(RISCV)/bin/$(target)-gcc $(buildroot_rootfs_config)
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$(MAKE) -C $< RISCV=$(RISCV) PATH=$(PATH) O=$(buildroot_rootfs_wrkdir)
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.PHONY: buildroot_rootfs-menuconfig
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buildroot_rootfs-menuconfig: $(buildroot_rootfs_wrkdir)/.config $(buildroot_srcdir)
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$(MAKE) -C $(dir $<) O=$(buildroot_rootfs_wrkdir) menuconfig
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$(MAKE) -C $(dir $<) O=$(buildroot_rootfs_wrkdir) savedefconfig
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cp $(dir $<)/defconfig conf/buildroot_rootfs_config
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$(buildroot_initramfs_sysroot_stamp): $(buildroot_initramfs_tar)
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mkdir -p $(buildroot_initramfs_sysroot)
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tar -xpf $< -C $(buildroot_initramfs_sysroot) --exclude ./dev --exclude ./usr/share/locale
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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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echo $(ISA)
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echo $(filter rv32%,$(ISA))
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ifeq (,$(filter rv%c,$(ISA)))
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sed 's/^.*CONFIG_RISCV_ISA_C.*$$/CONFIG_RISCV_ISA_C=n/' -i $@
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$(MAKE) -C $(linux_srcdir) O=$(linux_wrkdir) ARCH=riscv olddefconfig
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endif
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ifeq ($(ISA),$(filter rv32%,$(ISA)))
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sed 's/^.*CONFIG_ARCH_RV32I.*$$/CONFIG_ARCH_RV32I=y/' -i $@
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sed 's/^.*CONFIG_ARCH_RV64I.*$$/CONFIG_ARCH_RV64I=n/' -i $@
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$(MAKE) -C $(linux_srcdir) O=$(linux_wrkdir) ARCH=riscv olddefconfig
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endif
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$(vmlinux): $(linux_srcdir) $(linux_wrkdir)/.config $(buildroot_initramfs_sysroot_stamp)
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$(MAKE) -C $< O=$(linux_wrkdir) \
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CONFIG_INITRAMFS_SOURCE="$(confdir)/initramfs.txt $(buildroot_initramfs_sysroot)" \
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CONFIG_INITRAMFS_ROOT_UID=$(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 $<) ARCH=riscv menuconfig
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$(MAKE) -C $(linux_srcdir) O=$(dir $<) ARCH=riscv savedefconfig
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cp $(dir $<)/defconfig conf/linux_defconfig
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$(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=$(vmlinux_stripped) \
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--enable-logo \
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--with-logo=$(abspath conf/sifive_logo.txt)
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CFLAGS="-mabi=$(ABI) -march=$(ISA)" $(MAKE) -C $(pk_wrkdir)
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$(bin): $(bbl)
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$(target)-objcopy -S -O binary --change-addresses -0x80000000 $< $@
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$(hex): $(bin)
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xxd -c1 -p $< > $@
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$(libfesvr): $(fesvr_srcdir)
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rm -rf $(fesvr_wrkdir)
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mkdir -p $(fesvr_wrkdir)
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mkdir -p $(dir $@)
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cd $(fesvr_wrkdir) && $</configure \
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--prefix=$(dir $(abspath $(dir $@)))
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$(MAKE) -C $(fesvr_wrkdir)
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$(MAKE) -C $(fesvr_wrkdir) install
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touch -c $@
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$(spike): $(spike_srcdir) $(libfesvr)
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rm -rf $(spike_wrkdir)
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mkdir -p $(spike_wrkdir)
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mkdir -p $(dir $@)
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cd $(spike_wrkdir) && $</configure \
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--prefix=$(dir $(abspath $(dir $@))) \
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--with-fesvr=$(dir $(abspath $(dir $(libfesvr))))
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$(MAKE) -C $(spike_wrkdir)
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$(MAKE) -C $(spike_wrkdir) install
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touch -c $@
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$(qemu): $(qemu_srcdir)
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rm -rf $(qemu_wrkdir)
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mkdir -p $(qemu_wrkdir)
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mkdir -p $(dir $@)
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cd $(qemu_wrkdir) && $</configure \
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--prefix=$(dir $(abspath $(dir $@))) \
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--target-list=riscv64-softmmu
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$(MAKE) -C $(qemu_wrkdir)
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$(MAKE) -C $(qemu_wrkdir) install
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touch -c $@
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$(rootfs): $(buildroot_rootfs_ext)
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cp $< $@
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.PHONY: buildroot_initramfs_sysroot vmlinux bbl
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buildroot_initramfs_sysroot: $(buildroot_initramfs_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) $(toolchain_dest)
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.PHONY: sim
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sim: $(spike) $(bbl)
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$(spike) --isa=$(ISA) -p4 $(bbl)
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.PHONY: qemu
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qemu: $(qemu) $(bbl) $(rootfs)
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$(qemu) -nographic -machine virt -kernel $(bbl) \
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-drive file=$(rootfs),format=raw,id=hd0 -device virtio-blk-device,drive=hd0 \
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-netdev user,id=net0 -device virtio-net-device,netdev=net0
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# Relevant partition type codes
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BBL = 2E54B353-1271-4842-806F-E436D6AF6985
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LINUX = 0FC63DAF-8483-4772-8E79-3D69D8477DE4
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FSBL = 5B193300-FC78-40CD-8002-E86C45580B47
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.PHONY: format-boot-loader
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format-boot-loader: $(bin)
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@test -b $(DISK) || echo "$DISK: is not a block device"
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sgdisk --clear \
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--new=1:2048:67583 --change-name=1:bootloader --typecode=1:$(BBL) \
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--new=2:264192: --change-name=2:root --typecode=2:$(LINUX) \
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$(DISK)
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@sleep 1
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ifeq ($(DISK)p1,$(wildcard $(DISK)p1))
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@$(eval PART1 := $(DISK)p1)
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@$(eval PART2 := $(DISK)p2)
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else ifeq ($(DISK)s1,$(wildcard $(DISK)s1))
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@$(eval PART1 := $(DISK)s1)
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@$(eval PART2 := $(DISK)s2)
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else ifeq ($(DISK)1,$(wildcard $(DISK)1))
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@$(eval PART1 := $(DISK)1)
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@$(eval PART2 := $(DISK)2)
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else
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@echo Error: Could not find bootloader partition for $(DISK)
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@exit 1
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endif
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dd if=$< of=$(PART1) bs=4096
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mke2fs -t ext3 $(PART2)
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