41 lines
838 B
Makefile
41 lines
838 B
Makefile
ifeq ($(BUILDROOT),)
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$(error BUILDROOT IS NOT SET!)
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endif
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CC := ${TARGET}-gcc
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SRC := $(wildcard **/*.[cS]*)
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OBJ := $(patsubst %, %.o, $(basename $(basename $(SRC))))
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CFLAGS := -Wall -Wextra -pedantic -ffreestanding -mcmodel=large
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CFLAGS += -ggdb -O0
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ASFLAGS += -ggdb
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CPPFLAGS += -I include
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LDFLAGS := -n -nostdlib -lgcc -T Link.ld
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kernel: $(OBJ)
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$(LINK.c) $^ -o $@
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%.o: %.S.py
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python3 $^ | $(COMPILE.S) $(DEPFLAGS) -x assembler-with-cpp - -o $@
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# Automatic dependency tracking
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DEP := $(OBJ:.o=.d)
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DEPFLAGS = -MT $@ -MMD -MP -MF $*.d
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$(OBJ): CPPFLAGS += $(DEPFLAGS)
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%.d: ;
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DESTDIR ?= $(BUILDROOT)/sysroot
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$(DESTDIR)$(PREFIX)/kernel: kernel
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install -D kernel $(DESTDIR)$(PREFIX)/kernel
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install: $(DESTDIR)$(PREFIX)/kernel
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clean:
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rm -rf $(OBJ) $(DEP) kernel
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.PHONY: install
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# Include automatic dependency rules
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include $(DEP) |