kernel/kernel.mk

   1 ifneq ($(_KERNEL_MAKE),1)
   2 _KERNEL_MAKE = 1
   3
   4 # include targets we depend on
   5 include lib/lib.mk
   6 include bus/bus.mk
   7 include dev/dev.mk
   8
   9 KERNEL_DIR = kernel
  10 KERNEL_OBJ_DIR = kernel/$(OBJ_DIR)
  11 KERNEL_OBJS = \
  12         $(KERNEL_OBJ_DIR)/main.o \
  13         $(KERNEL_OBJ_DIR)/elf.o \
  14         $(KERNEL_OBJ_DIR)/faults.o \
  15         $(KERNEL_OBJ_DIR)/khash.o \
  16         $(KERNEL_OBJ_DIR)/lock.o \
  17         $(KERNEL_OBJ_DIR)/heap.o \
  18         $(KERNEL_OBJ_DIR)/int.o \
  19         $(KERNEL_OBJ_DIR)/console.o \
  20         $(KERNEL_OBJ_DIR)/debug.o \
  21         $(KERNEL_OBJ_DIR)/dev.o \
  22         $(KERNEL_OBJ_DIR)/queue.o \
  23         $(KERNEL_OBJ_DIR)/timer.o \
  24         $(KERNEL_OBJ_DIR)/sem.o \
  25         $(KERNEL_OBJ_DIR)/smp.o \
  26         $(KERNEL_OBJ_DIR)/syscalls.o \
  27         $(KERNEL_OBJ_DIR)/thread.o \
  28         $(KERNEL_OBJ_DIR)/cbuf.o \
  29         $(KERNEL_OBJ_DIR)/vfs.o
  30
  31 KERNEL_INCLUDES = -Iinclude
  32
  33 include $(KERNEL_DIR)/fs/fs_kernel.mk
  34 include $(KERNEL_DIR)/vm/vm_kernel.mk
  35 include $(KERNEL_DIR)/net/net_kernel.mk
  36
  37 KERNEL_ARCH_DIR = kernel/arch/$(ARCH)
  38 include $(KERNEL_ARCH_DIR)/arch_kernel.mk
  39
  40 DEPS += $(KERNEL_OBJS:.o=.d)
  41
  42 KERNEL = $(KERNEL_OBJ_DIR)/system
  43
  44 kernel: $(KERNEL)
  45
  46 $(KERNEL): $(KERNEL_OBJS) $(KLIBS) $(DEV) $(BUS)
  47         $(LD) --script=$(KERNEL_ARCH_DIR)/kernel.ld -L $(LIBGCC_PATH) -o $@ $(KERNEL_OBJS) $(DEV) $(BUS) $(LINK_KLIBS) $(LIBGCC)
  48
  49 kernelclean:
  50         rm -f $(KERNEL_OBJS)
  51
  52 CLEAN += kernelclean
  53
  54 # build prototypes - this covers architecture dependant subdirs
  55
  56 $(KERNEL_OBJ_DIR)/%.o: $(KERNEL_DIR)/%.c
  57         @if [ ! -d $(KERNEL_OBJ_DIR) ]; then mkdir -p $(KERNEL_OBJ_DIR); fi
  58         $(CC) -c $< $(GLOBAL_CFLAGS) $(KERNEL_INCLUDES) -o $@
  59
  60 $(KERNEL_OBJ_DIR)/%.d: $(KERNEL_DIR)/%.c
  61         @if [ ! -d $(KERNEL_OBJ_DIR) ]; then mkdir -p $(KERNEL_OBJ_DIR); fi
  62         @echo "making deps for $<..."
  63         @($(ECHO) -n $(dir $@); $(CC) $(GLOBAL_CFLAGS) $(KERNEL_INCLUDES) -M -MG $<) > $@
  64
  65 endif