131 lines
4.1 KiB
Makefile
131 lines
4.1 KiB
Makefile
# $Id: Makefile,v 1.28 2005/03/17 10:44:37 larsv Exp $
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# cris/Makefile
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#
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# This file is included by the global makefile so that you can add your own
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# architecture-specific flags and dependencies. Remember to do have actions
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# for "archclean" and "archdep" for cleaning up and making dependencies for
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# this architecture
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#
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# This file is subject to the terms and conditions of the GNU General Public
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# License. See the file "COPYING" in the main directory of this archive
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# for more details.
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# A bug in ld prevents us from having a (constant-value) symbol in a
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# "ORIGIN =" or "LENGTH =" expression.
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arch-y := v10
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arch-$(CONFIG_ETRAX_ARCH_V10) := v10
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arch-$(CONFIG_ETRAX_ARCH_V32) := v32
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# No config avaiable for make clean etc
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ifneq ($(arch-y),)
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SARCH := arch-$(arch-y)
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else
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SARCH :=
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endif
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LD = $(CROSS_COMPILE)ld -mcrislinux
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OBJCOPYFLAGS := -O binary -R .note -R .comment -S
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CPPFLAGS_vmlinux.lds = -DDRAM_VIRTUAL_BASE=0x$(CONFIG_ETRAX_DRAM_VIRTUAL_BASE)
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AFLAGS += -mlinux
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CFLAGS := $(CFLAGS) -mlinux -march=$(arch-y) -pipe
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ifdef CONFIG_FRAME_POINTER
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CFLAGS := $(subst -fomit-frame-pointer,,$(CFLAGS)) -g
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CFLAGS += -fno-omit-frame-pointer
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endif
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head-y := arch/$(ARCH)/$(SARCH)/kernel/head.o
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LIBGCC = $(shell $(CC) $(CFLAGS) -print-file-name=libgcc.a)
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core-y += arch/$(ARCH)/kernel/ arch/$(ARCH)/mm/
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core-y += arch/$(ARCH)/$(SARCH)/kernel/ arch/$(ARCH)/$(SARCH)/mm/
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drivers-y += arch/$(ARCH)/$(SARCH)/drivers/
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libs-y += arch/$(ARCH)/$(SARCH)/lib/ $(LIBGCC)
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# cris source path
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SRC_ARCH = $(srctree)/arch/$(ARCH)
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# cris object files path
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OBJ_ARCH = $(objtree)/arch/$(ARCH)
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target_boot_arch_dir = $(OBJ_ARCH)/$(SARCH)/boot
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target_boot_dir = $(OBJ_ARCH)/boot
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src_boot_dir = $(SRC_ARCH)/boot
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target_compressed_dir = $(OBJ_ARCH)/boot/compressed
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src_compressed_dir = $(SRC_ARCH)/boot/compressed
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target_rescue_dir = $(OBJ_ARCH)/boot/rescue
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src_rescue_dir = $(SRC_ARCH)/boot/rescue
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export target_boot_arch_dir target_boot_dir src_boot_dir target_compressed_dir src_compressed_dir target_rescue_dir src_rescue_dir
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vmlinux.bin: vmlinux
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$(OBJCOPY) $(OBJCOPYFLAGS) vmlinux vmlinux.bin
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timage: vmlinux.bin
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cat vmlinux.bin cramfs.img >timage
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simimage: timage
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cp vmlinux.bin simvmlinux.bin
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# the following will remake timage without compiling the kernel
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# it does of course require that all object files exist...
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cramfs:
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## cramfs - Creates a cramfs image
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mkcramfs -b 8192 -m romfs_meta.txt root cramfs.img
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cat vmlinux.bin cramfs.img >timage
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clinux: vmlinux.bin decompress.bin rescue.bin
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decompress.bin: $(target_boot_dir)
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@$(MAKE) -f $(src_compressed_dir)/Makefile $(target_compressed_dir)/decompress.bin
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$(target_rescue_dir)/rescue.bin: $(target_boot_dir)
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@$(MAKE) -f $(src_rescue_dir)/Makefile $(target_rescue_dir)/rescue.bin
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zImage: $(target_boot_dir) vmlinux.bin $(target_rescue_dir)/rescue.bin
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## zImage - Compressed kernel (gzip)
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@$(MAKE) -f $(src_boot_dir)/Makefile zImage
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$(target_boot_dir): $(target_boot_arch_dir)
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ln -sfn $< $@
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$(target_boot_arch_dir):
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mkdir -p $@
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compressed: zImage
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archmrproper:
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archclean:
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@if [ -d arch/$(ARCH)/boot ]; then \
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$(MAKE) $(clean)=arch/$(ARCH)/boot ; \
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fi
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rm -f timage vmlinux.bin decompress.bin rescue.bin cramfs.img
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rm -rf $(LD_SCRIPT).tmp
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archprepare: $(SRC_ARCH)/.links $(srctree)/include/asm-$(ARCH)/.arch
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# Create some links to make all tools happy
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$(SRC_ARCH)/.links:
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@rm -rf $(SRC_ARCH)/drivers
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@ln -sfn $(SRC_ARCH)/$(SARCH)/drivers $(SRC_ARCH)/drivers
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@rm -rf $(SRC_ARCH)/boot
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@ln -sfn $(SRC_ARCH)/$(SARCH)/boot $(SRC_ARCH)/boot
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@rm -rf $(SRC_ARCH)/lib
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@ln -sfn $(SRC_ARCH)/$(SARCH)/lib $(SRC_ARCH)/lib
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@ln -sfn $(SRC_ARCH)/$(SARCH) $(SRC_ARCH)/arch
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@ln -sfn $(SRC_ARCH)/$(SARCH)/vmlinux.lds.S $(SRC_ARCH)/kernel/vmlinux.lds.S
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@ln -sfn $(SRC_ARCH)/$(SARCH)/kernel/asm-offsets.c $(SRC_ARCH)/kernel/asm-offsets.c
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@touch $@
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# Create link to sub arch includes
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$(srctree)/include/asm-$(ARCH)/.arch: $(wildcard include/config/arch/*.h)
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@echo ' Making $(srctree)/include/asm-$(ARCH)/arch -> $(srctree)/include/asm-$(ARCH)/$(SARCH) symlink'
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@rm -f include/asm-$(ARCH)/arch
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@ln -sf $(srctree)/include/asm-$(ARCH)/$(SARCH) $(srctree)/include/asm-$(ARCH)/arch
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@touch $@
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