diff options
Diffstat (limited to 'Makefile')
| -rw-r--r-- | Makefile | 17 |
1 files changed, 14 insertions, 3 deletions
@@ -5,7 +5,7 @@ DEBUGFLAGS != [ $(RELEASE) ] && echo "-flto -O2" || echo "-O0 -ggdb3 -DDEBUG" CFLAGS = -fno-pie -ffreestanding -nostdlib -std=c17 -Wall -Wextra DEPFLAGS = -MT $@ -MMD -MP -MF $@.d -all: kernel.bin +all: apos.bin # default values, overwrite if/when needed ARCH ?= riscv @@ -21,8 +21,9 @@ OBJCOPY ?= objcopy OBJCOPY_FLAGS ?= -Obinary --set-section-flags .bss=alloc,load,contents KERNEL_SOURCES != echo common/*.c lib/*.c -CLEANUP := build deps.mk kernel.* apos.bin +CLEANUP := build deps.mk kernel.* init.* apos.bin CLEANUP_CMD := +INIT_SOURCES := include arch/$(ARCH)/source.mk @@ -41,20 +42,30 @@ KERN_SIZE = wc -c kernel.bin | cut -d ' ' -f 1 KERN_INFO = sed "s/<KERNEL_SIZE>/$$($(KERN_SIZE))/" KERNEL_LINK := arch/$(ARCH)/conf/kernel-link +INIT_LINK := arch/$(ARCH)/conf/init-link KERNEL_OBJECTS != ./scripts/gen-deps --compile "$(KERNEL_SOURCES)" +INIT_OBJECTS != ./scripts/gen-deps --compile "$(INIT_SOURCES)" KERNEL_LD != ./scripts/gen-deps --link "$(KERNEL_LINK).S" +INIT_LD != ./scripts/gen-deps --link "$(INIT_LINK).S" include deps.mk +init.elf: $(INIT_OBJECTS) $(INIT_LD) + $(GENELF) -T $(INIT_LD) $(INIT_OBJECTS) -o $@ + kernel.elf: $(KERNEL_OBJECTS) $(KERNEL_LD) $(GENELF) -T $(KERNEL_LD) $(KERNEL_OBJECTS) -o $@ -$(INIT_LD): kernel.bin +init.bin: init.elf + $(CROSS_COMPILE)$(OBJCOPY) $(OBJCOPY_FLAGS) $< $@ kernel.bin: kernel.elf $(CROSS_COMPILE)$(OBJCOPY) $(OBJCOPY_FLAGS) $< $@ +apos.bin: init.bin kernel.bin + cat init.bin kernel.bin > apos.bin + clean: $(RM) -r $(CLEANUP) |