freedom-u-sdk/Makefile
Palmer Dabbelt 86de0ac05a Add "make qemu", which runs a QEMU-based system
This currently has support for a virtio disk, and the Makefiles will
create an empty one for you.
2018-01-05 18:04:22 -08:00

181 lines
5.2 KiB
Makefile

RISCV ?= $(CURDIR)/toolchain
PATH := $(RISCV)/bin:$(PATH)
ISA ?= rv64imafdc
ABI ?= lp64d
srcdir := $(dir $(realpath $(lastword $(MAKEFILE_LIST))))
srcdir := $(srcdir:/=)
confdir := $(srcdir)/conf
wrkdir := $(CURDIR)/work
toolchain_srcdir := $(srcdir)/riscv-gnu-toolchain
toolchain_wrkdir := $(wrkdir)/riscv-gnu-toolchain
toolchain_dest := $(CURDIR)/toolchain
buildroot_srcdir := $(srcdir)/buildroot
buildroot_wrkdir := $(wrkdir)/buildroot
buildroot_tar := $(buildroot_wrkdir)/images/rootfs.tar
sysroot_stamp := $(wrkdir)/.sysroot
sysroot := $(wrkdir)/sysroot
linux_srcdir := $(srcdir)/linux
linux_wrkdir := $(wrkdir)/linux
linux_defconfig := $(confdir)/linux_defconfig
vmlinux := $(linux_wrkdir)/vmlinux
vmlinux_stripped := $(linux_wrkdir)/vmlinux-stripped
pk_srcdir := $(srcdir)/riscv-pk
pk_wrkdir := $(wrkdir)/riscv-pk
bbl := $(pk_wrkdir)/bbl
bin := $(wrkdir)/bbl.bin
hex := $(wrkdir)/bbl.hex
fesvr_srcdir := $(srcdir)/riscv-fesvr
fesvr_wrkdir := $(wrkdir)/riscv-fesvr
libfesvr := $(fesvr_wrkdir)/prefix/lib/libfesvr.so
spike_srcdir := $(srcdir)/riscv-isa-sim
spike_wrkdir := $(wrkdir)/riscv-isa-sim
spike := $(spike_wrkdir)/prefix/bin/spike
qemu_srcdir := $(srcdir)/riscv-qemu
qemu_wrkdir := $(wrkdir)/riscv-qemu
qemu := $(qemu_wrkdir)/prefix/bin/qemu-system-riscv64
rootfs := $(wrkdir)/rootfs.bin
target := riscv64-unknown-linux-gnu
.PHONY: all
all: $(hex)
@echo
@echo This image has been generated for an ISA of $(ISA) and an ABI of $(ABI)
@echo Find the SD-card image in work/bbl.bin
@echo Program it with: dd if=work/bbl.bin of=/dev/sd-your-card bs=1M
@echo
$(toolchain_dest)/bin/$(target)-gcc: $(toolchain_srcdir)
mkdir -p $(toolchain_wrkdir)
cd $(toolchain_wrkdir); $(toolchain_srcdir)/configure \
--prefix=$(toolchain_dest) \
--with-arch=$(ISA) \
--with-abi=$(ABI) \
--enable-linux
$(MAKE) -C $(toolchain_wrkdir)
sed 's/^#define LINUX_VERSION_CODE.*/#define LINUX_VERSION_CODE 263682/' -i $(toolchain_dest)/sysroot/usr/include/linux/version.h
$(buildroot_tar): $(buildroot_srcdir) $(RISCV)/bin/$(target)-gcc
$(MAKE) -C $< RISCV=$(RISCV) PATH=$(PATH) O=$(buildroot_wrkdir) riscv64_defconfig
$(MAKE) -C $< RISCV=$(RISCV) PATH=$(PATH) O=$(buildroot_wrkdir)
.PHONY: buildroot-menuconfig
buildroot-menuconfig: $(buildroot_srcdir)
$(MAKE) -C $< O=$(buildroot_wrkdir) menuconfig
$(sysroot_stamp): $(buildroot_tar)
mkdir -p $(sysroot)
tar -xpf $< -C $(sysroot) --exclude ./dev --exclude ./usr/share/locale
touch $@
$(linux_wrkdir)/.config: $(linux_defconfig) $(linux_srcdir)
mkdir -p $(dir $@)
cp -p $< $@
$(MAKE) -C $(linux_srcdir) O=$(linux_wrkdir) ARCH=riscv olddefconfig
echo $(ISA)
echo $(filter rv32%,$(ISA))
ifeq (,$(filter rv%c,$(ISA)))
sed 's/^.*CONFIG_RISCV_ISA_C.*$$/CONFIG_RISCV_ISA_C=n/' -i $@
$(MAKE) -C $(linux_srcdir) O=$(linux_wrkdir) ARCH=riscv olddefconfig
endif
ifeq ($(ISA),$(filter rv32%,$(ISA)))
sed 's/^.*CONFIG_ARCH_RV32I.*$$/CONFIG_ARCH_RV32I=y/' -i $@
sed 's/^.*CONFIG_ARCH_RV64I.*$$/CONFIG_ARCH_RV64I=n/' -i $@
$(MAKE) -C $(linux_srcdir) O=$(linux_wrkdir) ARCH=riscv olddefconfig
endif
$(vmlinux): $(linux_srcdir) $(linux_wrkdir)/.config $(sysroot_stamp)
$(MAKE) -C $< O=$(linux_wrkdir) \
CONFIG_INITRAMFS_SOURCE="$(confdir)/initramfs.txt $(sysroot)" \
CONFIG_INITRAMFS_ROOT_UID=$(shell id -u) \
CONFIG_INITRAMFS_ROOT_GID=$(shell id -g) \
ARCH=riscv \
vmlinux
$(vmlinux_stripped): $(vmlinux)
$(target)-strip -o $@ $<
.PHONY: linux-menuconfig
linux-menuconfig: $(linux_wrkdir)/.config
$(MAKE) -C $(linux_srcdir) O=$(dir $<) ARCH=riscv menuconfig savedefconfig
$(bbl): $(pk_srcdir) $(vmlinux_stripped)
rm -rf $(pk_wrkdir)
mkdir -p $(pk_wrkdir)
cd $(pk_wrkdir) && $</configure \
--host=$(target) \
--with-payload=$(vmlinux_stripped) \
--enable-logo --enable-print-device-tree \
--with-logo=$(abspath conf/sifive_logo.txt)
CFLAGS="-mabi=$(ABI) -march=$(ISA)" $(MAKE) -C $(pk_wrkdir)
$(bin): $(bbl)
$(target)-objcopy -S -O binary --change-addresses -0x80000000 $< $@
$(hex): $(bin)
xxd -c1 -p $< > $@
$(libfesvr): $(fesvr_srcdir)
rm -rf $(fesvr_wrkdir)
mkdir -p $(fesvr_wrkdir)
mkdir -p $(dir $@)
cd $(fesvr_wrkdir) && $</configure \
--prefix=$(dir $(abspath $(dir $@)))
$(MAKE) -C $(fesvr_wrkdir)
$(MAKE) -C $(fesvr_wrkdir) install
touch -c $@
$(spike): $(spike_srcdir) $(libfesvr)
rm -rf $(spike_wrkdir)
mkdir -p $(spike_wrkdir)
mkdir -p $(dir $@)
cd $(spike_wrkdir) && $</configure \
--prefix=$(dir $(abspath $(dir $@))) \
--with-fesvr=$(dir $(abspath $(dir $(libfesvr))))
$(MAKE) -C $(spike_wrkdir)
$(MAKE) -C $(spike_wrkdir) install
touch -c $@
$(qemu): $(qemu_srcdir)
rm -rf $(qemu_wrkdir)
mkdir -p $(qemu_wrkdir)
mkdir -p $(dir $@)
cd $(qemu_wrkdir) && $</configure \
--prefix=$(dir $(abspath $(dir $@))) \
--target-list=riscv64-softmmu
$(MAKE) -C $(qemu_wrkdir)
$(MAKE) -C $(qemu_wrkdir) install
touch -c $@
$(rootfs):
truncate --size=1G $@
mkfs.ext4 $@
.PHONY: sysroot vmlinux bbl
sysroot: $(sysroot)
vmlinux: $(vmlinux)
bbl: $(bbl)
.PHONY: clean
clean:
rm -rf -- $(wrkdir) $(toolchain_dest)
.PHONY: sim
sim: $(spike) $(bbl)
$(spike) --isa=$(ISA) -p4 $(bbl)
.PHONY: qemu
qemu: $(qemu) $(bbl) $(rootfs)
$(qemu) -nographic -machine virt -kernel $(bbl) -drive file=$(rootfs),format=raw,id=hd0 -device virtio-blk-device,drive=hd0