Imbus/neptune
1
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Better makefile, working toolchain fetching

Browse source
This commit is contained in:
Imbus 2025-09-02 01:02:17 +02:00
parent 0d8a1af1ff
commit f2c4a3ed28
1 changed files with 55 additions and 5 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

60
Makefile
View file

@ -1,6 +1,21 @@
TOOLPREFIX = riscv64-linux-gnu # See: https://github.com/xpack-dev-tools/riscv-none-elf-gcc-xpack/releases
# TOOLPREFIX = toolchain/xpack-riscv-none-elf-gcc-14.2.0-3/bin/riscv-none-elf # See: https://github.com/xpack-dev-tools/qemu-riscv-xpack/releases
# TOOLPREFIX = toolchain/gcc/bin/riscv-none-elf GCC_VER := 14.2.0-3
QEMU_VER := 8.2.6-1
SYS_TOOLPREFIX ?= riscv64-linux-gnu
GCC_PATH := toolchain/gcc/bin
LOCAL_TOOLPREFIX := $(GCC_PATH)/riscv-none-elf
# TODO: Some wildcard condition to detect prefix
TOOLPREFIX := $(LOCAL_TOOLPREFIX)
# TOOLPREFIX := $(SYS_TOOLPREFIX)
$(info Using toolchain: $(TOOLPREFIX))
QEMU_PATH := toolchain/qemu/bin
QEMU = $(QEMU_PATH)/qemu-system-riscv64
$(info Using qemu: $(QEMU))
CC = $(TOOLPREFIX)-gcc CC = $(TOOLPREFIX)-gcc
AS = $(TOOLPREFIX)-as AS = $(TOOLPREFIX)-as
@ -62,7 +77,7 @@ kern/kernel.elf: $(KERNEL_OBJ)
qemu: kern/kernel.elf qemu: kern/kernel.elf
@echo QEMU $< @echo QEMU $<
@qemu-system-riscv64 -machine virt -bios none -nographic -m 128M -smp 4 -kernel $< @$(QEMU) -machine virt -bios none -nographic -m 128M -smp 4 -kernel $<
clean: clean:
rm -f *.o *.elf *.d lib/*.o lib/*.d rm -f *.o *.elf *.d lib/*.o lib/*.d
@ -71,6 +86,41 @@ clean:
format: format:
find . -type f -name '*.[ch]' -exec clang-format -i {} + find . -type f -name '*.[ch]' -exec clang-format -i {} +
TOOLCHAIN_DIR := toolchain
QEMU_TARBALL := xpack-qemu-riscv-$(QEMU_VER)-linux-x64.tar.gz
GCC_TARBALL := xpack-riscv-none-elf-gcc-$(GCC_VER)-linux-x64.tar.gz
QEMU_URL := https://github.com/xpack-dev-tools/qemu-riscv-xpack/releases/download/v$(QEMU_VER)/$(QEMU_TARBALL)
GCC_URL := https://github.com/xpack-dev-tools/riscv-none-elf-gcc-xpack/releases/download/v$(GCC_VER)/$(GCC_TARBALL)
QEMU_TARPATH := toolchain/$(QEMU_TARBALL)
GCC_TARPATH := toolchain/$(GCC_TARBALL)
QEMU_SYM_DIR := xpack-qemu-riscv-$(QEMU_VER)
GCC_SYM_DIR := xpack-riscv-none-elf-gcc-$(GCC_VER)
QEMU_ALIAS := qemu
GCC_ALIAS := gcc
$(TOOLCHAIN_DIR):
mkdir -p $@
$(QEMU_TARPATH): $(TOOLCHAIN_DIR)
curl -# -L -o $@ $(QEMU_URL)
$(GCC_TARPATH): $(TOOLCHAIN_DIR)
curl -# -L -o $@ $(GCC_URL)
get_toolchain: $(TOOLCHAIN_DIR) $(GCC_TARPATH) $(QEMU_TARPATH)
cd toolchain && tar xf $(QEMU_TARBALL)
cd toolchain && tar xf $(GCC_TARBALL)
cd $(TOOLCHAIN_DIR) && ln -sfn $(QEMU_SYM_DIR) $(QEMU_ALIAS)
cd $(TOOLCHAIN_DIR) && ln -sfn $(GCC_SYM_DIR) $(GCC_ALIAS)
distclean: clean
rm -rf $(TOOLCHAIN_DIR)
-include *.d -include *.d
.PHONY: all .PHONY: all qemu