b208835624
This introduces a BITS export that can handily be picked up by Makefiles for cleaner sharing. Reflect its use in arch/sh/boot/compressed/ in preparation for unifying the Makefiles. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
80 lines
2.3 KiB
Makefile
80 lines
2.3 KiB
Makefile
#
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# arch/sh/boot/Makefile
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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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#
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# Copyright (C) 1999 Stuart Menefy
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#
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MKIMAGE := $(srctree)/scripts/mkuboot.sh
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#
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# Assign safe dummy values if these variables are not defined,
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# in order to suppress error message.
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#
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CONFIG_PAGE_OFFSET ?= 0x80000000
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CONFIG_MEMORY_START ?= 0x0c000000
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CONFIG_BOOT_LINK_OFFSET ?= 0x00800000
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CONFIG_ZERO_PAGE_OFFSET ?= 0x00001000
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CONFIG_ENTRY_OFFSET ?= 0x00001000
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targets := zImage vmlinux.srec uImage uImage.srec
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subdir- := compressed
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$(obj)/zImage: $(obj)/compressed/vmlinux FORCE
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$(call if_changed,objcopy)
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@echo ' Kernel: $@ is ready'
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$(obj)/compressed/vmlinux: FORCE
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$(Q)$(MAKE) $(build)=$(obj)/compressed $@
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KERNEL_MEMORY := 0x00000000
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ifeq ($(CONFIG_PMB_FIXED),y)
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KERNEL_MEMORY := $(shell /bin/bash -c 'printf "0x%08x" \
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$$[$(CONFIG_MEMORY_START) & 0x1fffffff]')
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endif
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ifeq ($(CONFIG_29BIT),y)
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KERNEL_MEMORY := $(shell /bin/bash -c 'printf "0x%08x" \
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$$[$(CONFIG_MEMORY_START)]')
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endif
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export CONFIG_PAGE_OFFSET CONFIG_MEMORY_START CONFIG_BOOT_LINK_OFFSET \
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CONFIG_ZERO_PAGE_OFFSET CONFIG_ENTRY_OFFSET KERNEL_MEMORY
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KERNEL_LOAD := $(shell /bin/bash -c 'printf "0x%08x" \
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$$[$(CONFIG_PAGE_OFFSET) + \
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$(KERNEL_MEMORY) + \
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$(CONFIG_ZERO_PAGE_OFFSET)]')
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KERNEL_ENTRY := $(shell /bin/bash -c 'printf "0x%08x" \
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$$[$(CONFIG_PAGE_OFFSET) + \
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$(KERNEL_MEMORY) + \
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$(CONFIG_ZERO_PAGE_OFFSET) + $(CONFIG_ENTRY_OFFSET)]')
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quiet_cmd_uimage = UIMAGE $@
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cmd_uimage = $(CONFIG_SHELL) $(MKIMAGE) -A sh -O linux -T kernel \
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-C gzip -a $(KERNEL_LOAD) -e $(KERNEL_ENTRY) \
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-n 'Linux-$(KERNELRELEASE)' -d $< $@
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$(obj)/uImage: $(obj)/vmlinux.bin.gz FORCE
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$(call if_changed,uimage)
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@echo ' Image $@ is ready'
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$(obj)/vmlinux.bin: vmlinux FORCE
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$(call if_changed,objcopy)
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$(obj)/vmlinux.bin.gz: $(obj)/vmlinux.bin FORCE
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$(call if_changed,gzip)
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OBJCOPYFLAGS_vmlinux.srec := -I binary -O srec
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$(obj)/vmlinux.srec: $(obj)/compressed/vmlinux
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$(call if_changed,objcopy)
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OBJCOPYFLAGS_uImage.srec := -I binary -O srec
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$(obj)/uImage.srec: $(obj)/uImage
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$(call if_changed,objcopy)
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clean-files += uImage uImage.srec vmlinux.srec \
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vmlinux.bin vmlinux.bin.gz
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