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5bb7826900
When introducing the generic asm-offsets.h support the dependency
chain for the prepare targets was changed. All build scripts expecting
include/asm/asm-offsets.h to be made when using the prepare target would broke.
With the limited number of prepare targets left in arch Makefiles
the trivial solution was to introduce a new arch specific target: archprepare
The dependency chain looks like this now:
prepare
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+--> prepare0
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+--> archprepare
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+--> scripts_basic
+--> prepare1
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+---> prepare2
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+--> prepare3
So prepare 3 is processed before prepare2 etc.
This guaantees that the asm symlink, version.h, scripts_basic
are all updated before archprepare is processed.
prepare0 which build the asm-offsets.h file will need the
actions performed by archprepare.
The head target is now named prepare, because users scripts will most
likely use that target, but prepare-all has been kept for compatibility.
Updated Documentation/kbuild/makefiles.txt.
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
113 lines
3.0 KiB
Makefile
113 lines
3.0 KiB
Makefile
#
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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) 2000, 2001 Paolo Alberelli
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# Copyright (C) 2003, 2004 Paul Mundt
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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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cpu-y := -mb
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cpu-$(CONFIG_LITTLE_ENDIAN) := -ml
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cpu-$(CONFIG_CPU_SH5) += -m5-32media-nofpu
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ifdef CONFIG_LITTLE_ENDIAN
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LDFLAGS_vmlinux += --defsym 'jiffies=jiffies_64'
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LDFLAGS += -EL -mshlelf32_linux
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else
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LDFLAGS_vmlinux += --defsym 'jiffies=jiffies_64+4'
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LDFLAGS += -EB -mshelf32_linux
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endif
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# No requirements for endianess support from AFLAGS, 'as' always run through gcc
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AFLAGS += -m5 -isa=sh64 -traditional
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CFLAGS += $(cpu-y)
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LDFLAGS_vmlinux += --defsym phys_stext=_stext-$(CONFIG_CACHED_MEMORY_OFFSET) \
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--defsym phys_stext_shmedia=phys_stext+1 \
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-e phys_stext_shmedia
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OBJCOPYFLAGS := -O binary -R .note -R .comment -R .stab -R .stabstr -S
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#
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# arch/sh64/defconfig never had any hope of being
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# frequently updated, so use one that does
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#
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KBUILD_DEFCONFIG := cayman_defconfig
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ifdef LOADADDR
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LINKFLAGS += -Ttext $(word 1,$(LOADADDR))
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endif
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machine-$(CONFIG_SH_CAYMAN) := cayman
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machine-$(CONFIG_SH_SIMULATOR) := sim
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machine-$(CONFIG_SH_HARP) := harp
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machine-$(CONFIG_SH_ROMRAM) := romram
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head-y := arch/$(ARCH)/kernel/head.o arch/$(ARCH)/kernel/init_task.o
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core-y += arch/sh64/kernel/ arch/sh64/mm/
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ifneq ($(machine-y),)
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core-y += arch/sh64/mach-$(machine-y)/
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endif
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LIBGCC := $(shell $(CC) $(CFLAGS) -print-libgcc-file-name)
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libs-y += arch/$(ARCH)/lib/ $(LIBGCC)
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drivers-$(CONFIG_OPROFILE) += arch/sh64/oprofile/
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boot := arch/$(ARCH)/boot
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zImage: vmlinux
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$(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
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compressed: zImage
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archclean:
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$(Q)$(MAKE) $(clean)=$(boot)
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archprepare: arch/$(ARCH)/lib/syscalltab.h
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define filechk_gen-syscalltab
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(set -e; \
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echo "/*"; \
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echo " * DO NOT MODIFY."; \
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echo " *"; \
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echo " * This file was generated by arch/$(ARCH)/Makefile"; \
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echo " * Any changes will be reverted at build time."; \
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echo " */"; \
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echo ""; \
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echo "#ifndef __SYSCALLTAB_H"; \
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echo "#define __SYSCALLTAB_H"; \
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echo ""; \
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echo "#include <linux/kernel.h>"; \
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echo ""; \
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echo "struct syscall_info {"; \
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echo " const char *name;"; \
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echo "} syscall_info_table[] = {"; \
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sed -e '/^.*\.long /!d;s// { "/;s/\(\([^/]*\)\/\)\{1\}.*/\2/; \
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s/[ \t]*$$//g;s/$$/" },/;s/\("\)sys_/\1/g'; \
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echo "};"; \
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echo ""; \
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echo "#define NUM_SYSCALL_INFO_ENTRIES ARRAY_SIZE(syscall_info_table)"; \
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echo ""; \
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echo "#endif /* __SYSCALLTAB_H */" )
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endef
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arch/$(ARCH)/lib/syscalltab.h: arch/sh64/kernel/syscalls.S
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$(call filechk,gen-syscalltab)
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CLEAN_FILES += arch/$(ARCH)/lib/syscalltab.h
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define archhelp
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@echo ' zImage - Compressed kernel image (arch/sh64/boot/zImage)'
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endef
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