| 1 | #===================================================================== |
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| 2 | # ALMOS-kernel Makefile # |
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| 3 | #===================================================================== |
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| 4 | |
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| 5 | include ../common.mk |
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| 6 | |
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| 7 | KERNEL_REV ?=current |
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| 8 | |
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| 9 | DIRS= cpu/$(CPU) \ |
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| 10 | arch/$(ARCH) \ |
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| 11 | drivers/$(DRVRS) \ |
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| 12 | kern \ |
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| 13 | mm \ |
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| 14 | fs/devfs \ |
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| 15 | fs/sysfs \ |
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| 16 | fs/ext2 \ |
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| 17 | fs/fat32 \ |
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| 18 | fs/ramfs \ |
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| 19 | vfs \ |
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| 20 | libk \ |
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| 21 | ksh |
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| 22 | |
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| 23 | ifndef CPU |
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| 24 | $(error CPU variable is not defined) |
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| 25 | endif |
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| 26 | |
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| 27 | LFLAGS = -T$(OBJDIR)/kldscript $(CPULFLAGS) |
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| 28 | |
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| 29 | INCLUDES= $(foreach DIR,$(DIRS),-I$(DIR)) -I$(OBJDIR)/kern/ |
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| 30 | |
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| 31 | CFLAGS = $(INCLUDES) -fno-builtin -static -Wall -Werror -MMD -Wundef |
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| 32 | ifeq ($(MODE),DEBUG) |
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| 33 | CFLAGS += -g -O0 -fno-inline |
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| 34 | else |
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| 35 | CFLAGS += -O2 |
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| 36 | endif |
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| 37 | CFLAGS += $(CPUCFLAGS) |
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| 38 | |
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| 39 | CFILES= $(foreach DIR,$(DIRS),$(wildcard $(DIR)/*.c)) |
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| 40 | SFILES= $(wildcard cpu/$(CPU)/*.S) |
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| 41 | |
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| 42 | OBJS= $(addprefix $(OBJDIR)/, $(CFILES:.c=.o) $(SFILES:.S=.o)) |
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| 43 | DEPS= $(OBJS:.o=.d) |
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| 44 | |
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| 45 | OBJDIRS= $(addprefix $(OBJDIR)/, $(DIRS)) |
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| 46 | |
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| 47 | # Kernel bin file name |
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| 48 | ifeq ($(KERNEL_REV),current) |
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| 49 | TARGET=$(OBJDIR)/almos-mk-$(ARCH)-$(CPU) |
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| 50 | else |
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| 51 | TARGET=$(OBJDIR)/almos-mk-$(ARCH)-$(CPU)-$(KERNEL_REV) |
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| 52 | endif |
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| 53 | |
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| 54 | |
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| 55 | .PHONY: clean timestamp |
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| 56 | |
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| 57 | |
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| 58 | $(TARGET): $(OBJDIRS) $(OBJDIR)/kldscript timestamp $(OBJS) |
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| 59 | @echo ' [ LD ] '$@.elf |
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| 60 | @$(LD) -o $@.elf $(OBJS) $(LFLAGS) |
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| 61 | @echo ' [ NM ] '$@.elf.nm |
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| 62 | @$(NM) $@.elf > $@.elf.nm |
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| 63 | @echo ' [ COPY ] '$@.bin |
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| 64 | @$(OCPY) -O binary $@.elf $@.bin |
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| 65 | @echo -e '\n [ DONE ] \n' |
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| 66 | $(ODMP) $(DUMPFLAGS) -d $@.elf > $@.dump |
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| 67 | |
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| 68 | |
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| 69 | timestamp: |
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| 70 | @echo "Compile flags: $(CFLAGS)" |
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| 71 | @echo '#define ALMOS_DATE "'$(shell date +"%d %B %Y - %T")'"' > $(OBJDIR)/kern/almOS-date.h |
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| 72 | |
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| 73 | $(OBJDIR)/kldscript: arch/$(ARCH)/kldscript.h arch/$(ARCH)/arch-config.h |
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| 74 | @echo ' [ CPP ] '$< |
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| 75 | @cpp $< | grep -v "#" | grep . > $@ |
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| 76 | |
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| 77 | $(OBJDIR)/%.o: %.c |
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| 78 | @echo ' [ CC ] '$< |
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| 79 | cpp $(INCLUDES) $< out.cpp |
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| 80 | @$(CC) $(CFLAGS) -c $< -o $@ |
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| 81 | ifneq ($(MODE),DEBUG) |
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| 82 | @$(STRIP) -x -R .pdr -R .gnu.attributes -R .reginfo -R .comment $@ |
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| 83 | endif |
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| 84 | |
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| 85 | $(OBJDIR)/%.o: %.S |
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| 86 | @echo ' [ AS ] '$< |
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| 87 | @$(CC) $(CFLAGS) -c $< -o $@ |
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| 88 | ifneq ($(MODE),DEBUG) |
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| 89 | @$(STRIP) -x -R .pdr -R .gnu.attributes -R .reginfo -R .comment $@ |
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| 90 | endif |
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| 91 | |
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| 92 | clean: |
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| 93 | rm -rf $(OBJDIR) out.cpp |
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| 94 | |
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| 95 | $(OBJDIRS): |
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| 96 | @echo ' [ MKDIR ] '$@ |
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| 97 | @mkdir -p $@ |
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| 98 | |
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| 99 | |
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| 100 | -include $(DEPS) |
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