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AS_OBJ = boot.o idt/stubs.o
AS_OBJ := $(addprefix $(OBJ_DIR)/, $(AS_OBJ))
CXX_OBJ = kernel.o \
kernel/dump_gdt.o kernel/dump_multiboot.o kernel/multiboot.o \
cpu/cpu.o \
gdt.o \
gdt/segmentdescriptor.o \
idt.o \
idt/exception.o idt/interruptgate.o idt/interrupthandler.o \
vmm.o \
allocator.o \
scheduler.o scheduler/task.o
CXX_OBJ := $(addprefix $(OBJ_DIR)/, $(CXX_OBJ))
CXX_DEP = $(CXX_OBJ:%.o=%.d)
CXX_JSON = $(CXX_OBJ:.o=.json)
cpu/irq.h: $(OBJ_DIR)/idt/stubs.o
@echo " GEN $@"
@echo '#pragma once' > $@
@echo 'extern "C" {' >> $@
@echo '/* interrupt map */' >> $@
@for x in $^; do $(NM) $$x -g | $(SED) -nr 's/[0-9a-f]{8} T (.+)/void \1();/p'; done >> $@
@echo '}' >> $@
autogen := $(autogen) cpu/irq.h
.PHONY: all test clean
all: $(OBJ_DIR)/kernel.a
test: $(TEST_CXX_OBJ)
$(AS_OBJ): $(OBJ_DIR)/%.o: %.S
@mkdir -p $(@D)
@echo " AS $<"
@$(AS) -target $(TARGET) $(AS_FLAGS) $(CXX_INCLUDE) -c $^ -o $@
-include $(CXX_DEP)
$(CXX_OBJ) : $(OBJ_DIR)/%.o : %.cc
@mkdir -p $(@D)
@echo " CXX $<"
@$(CXX) -target $(TARGET) $(CXX_FLAGS) $(CXX_INCLUDE) -MMD -MJ$(subst .o,.json,$@) -c $< -o $@
$(OBJ_DIR)/glitch.elf: $(autogen) $(AS_OBJ) $(CXX_OBJ) linker.ld
@echo " LD $(@F)"
@$(LD) $(LD_FLAGS) -o $@ $(AS_OBJ) $(CXX_OBJ) -lk -ld
# constexpr tests
-include $(TEST_CXX_DEP)
$(TEST_CXX_OBJ): $(OBJ_DIR)/%.o : %.cc
@mkdir -p $(@D)
@echo " TEST $<"
@$(TEST_CXX) -target $(TARGET) $(TEST_CXX_FLAGS) $(CXX_INCLUDE) -MMD -c $< -o $@
compile_commands.json: $(CXX_JSON)
@echo [ > $@
@cat $(CXX_JSON) >> $@
@echo ] >> $@
clean:
@rm -f $(AS_OBJ) $(CXX_OBJ) $(CXX_TEST_OBJ) $(OBJ_DIR)/glitch.elf
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