diff options
Diffstat (limited to 'Makefile')
| -rw-r--r-- | Makefile | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/Makefile b/Makefile new file mode 100644 index 0000000..56369f6 --- /dev/null +++ b/Makefile @@ -0,0 +1,41 @@ +CFLAGS := -fno-pie -g -ffreestanding -nostdlib +INCLUDE_DIRS := include + +all: kernel.bin + +KERNEL_SOURCES := +INIT_SOURCES := +LINKER_SOURCE := +TARGET ?= riscv +CROSS_COMPILER ?= riscv64-unknown-elf- +CC := gcc +AR := ar +CPP := cpp +OBJCOPY := objcopy +OBJCOPY_FLAGS := -Obinary + +include arch/source.mk + +INCLUDE_FLAGS := $(addprefix -I,$(INCLUDE_DIRS)) +KERNEL_OBJECTS := $(patsubst %.c,%.o,$(KERNEL_SOURCES)) +KERNEL_OBJECTS := $(patsubst %.S,%.o,$(KERNEL_OBJECTS)) + +LINKER_FILE := $(patsubst %.S,%.ld,$(LINKER_SOURCE)) + +kernel.bin: kernel.elf + $(CROSS_COMPILER)$(OBJCOPY) $(OBJCOPY_FLAGS) $< $@ + +kernel.elf: $(KERNEL_OBJECTS) | $(LINKER_FILE) + $(CROSS_COMPILER)$(CC) -T$(LINKER_FILE) $(CFLAGS) $(INCLUDE_FLAGS) $^ -o $@ + +%.o: %.c + $(CROSS_COMPILER)$(CC) $(CFLAGS) $(INCLUDE_FLAGS) -c $< -o $@ + +%.o: %.S + $(CROSS_COMPILER)$(CC) $(CFLAGS) $(INCLUDE_FLAGS) -c $< -o $@ + +$(LINKER_FILE): $(LINKER_SOURCE) + $(CROSS_COMPILER)$(CPP) $(INCLUDE_FLAGS) $< | sed -n '/^[^#]/p' > $@ + +clean: + rm $(KERNEL_OBJECTS) $(INIT_OBJECTS) $(LINKER_FILE) kernel.bin kernel.elf |