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| author | Nathan Lee <me@nwlee.tech> | 2026-09-25 23:24:31 -0500 |
|---|---|---|
| committer | Nathan Lee <me@nwlee.tech> | 2026-09-25 23:24:31 -0500 |
| commit | 548905a86473101325540446f35ffda8acd0c3bb (patch) | |
| tree | 57e495fbdb302d83880bd36e7368cdb48cd23e25 /website-kernel/Makefile | |
| parent | 6858c9e7c97f772eb357e3eee0c1fcfb8adcb699 (diff) | |
scaffold kernel from parts of wkern x86
Diffstat (limited to 'website-kernel/Makefile')
| -rw-r--r-- | website-kernel/Makefile | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/website-kernel/Makefile b/website-kernel/Makefile new file mode 100644 index 0000000..eb5a76e --- /dev/null +++ b/website-kernel/Makefile @@ -0,0 +1,73 @@ +CC = clang +LD = ld.lld +OBJCOPY = llvm-objcopy + +COMPILER = $(shell $(CC) --version | head -n 1) +LINKER = $(shell $(LD) --version | head -n 1) +ARCH_NAME = 32-bit RISC-V, IM_Zicsr ISA, little endian, unknown ELF, System V ABI + +CFLAGS = \ + --target=riscv32-unknown-elf \ + -march=rv32im_zicsr \ + -mabi=ilp32 \ + -ffreestanding \ + -fno-builtin \ + -nostdlib \ + -nostdinc \ + -nodefaultlibs \ + -DVERSION='"$(VERSION)"' \ + -DCOMPILER_NAME='"$(COMPILER)"' \ + -DLINKER_NAME='"$(LINKER)"' \ + -DARCH_NAME='"$(ARCH_NAME)"' \ + -static \ + -ffunction-sections -fdata-sections -fno-common \ + -Iinclude -O2 -g3 \ + -Wall -Wextra -Werror -Wundef + +LD_FLAGS = \ + -T $(LINKER_SCRIPT) -nostdlib -m elf32lriscv --gc-sections + +OBJCOPY_FLAGS = \ + -O binary \ + --strip-all \ + --remove-section=.comment \ + --remove-section=.debug* \ + --remove-section=.note* \ + --remove-section=.eh_frame \ + --remove-section=.eh_frame_ptr \ + --remove-section=.eh_frame_hdr + +C_SRCS = $(shell find . -name '*.c') +S_SRCS = $(shell find . -name '*.S') +C_OBJECTS = $(C_SRCS:.c=.o) +S_OBJECTS = $(S_SRCS:.S=.o) +ALL_OBJECTS = $(C_OBJECTS) $(S_OBJECTS) +LINKER_SCRIPT = arch/linker.ld + +KERNEL_BINARY = Image.bin +KERNEL_ELF = arch/webos-kernel.elf + +$(V).SILENT: + +%.o: %.c + @echo " CC $<" + $(CC) $(CFLAGS) -c $< -o $@ +%.o: %.S + @echo " AS $<" + $(CC) $(CFLAGS) -c $< -o $@ +$(KERNEL_ELF): $(ALL_OBJECTS) $(LINKER_SCRIPT) + @echo " LD $@" + $(LD) $(LD_FLAGS) -o $@ $(ALL_OBJECTS) +$(KERNEL_BINARY): $(KERNEL_ELF) + @echo " OBJCOPY $@" + $(OBJCOPY) $(OBJCOPY_FLAGS) $(KERNEL_ELF) $(KERNEL_BIN) +clean: + @echo " CLEAN $(ALL_OBJECTS)" + $(RM) $(ALL_OBJECTS) + @echo " CLEAN $(KERNEL_ELF)" + $(RM) $(KERNEL_ELF) + @echo " CLEAN $(KERNEL_BINARY)" + $(RM) $(KERNEL_BINARY) + +.PHONY: all clean +all: $(KERNEL_BINARY) |