| 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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