175 lines
4.9 KiB
Makefile
175 lines
4.9 KiB
Makefile
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#
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# parisc/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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#
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# Copyright (C) 1994 by Linus Torvalds
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# Portions Copyright (C) 1999 The Puffin Group
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#
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# Modified for PA-RISC Linux by Paul Lahaie, Alex deVries,
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# Mike Shaver, Helge Deller and Martin K. Petersen
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#
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KBUILD_IMAGE := vmlinuz
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KBUILD_DEFCONFIG := default_defconfig
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NM = sh $(srctree)/arch/parisc/nm
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CHECKFLAGS += -D__hppa__=1
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LIBGCC = $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name)
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export LIBGCC
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ifdef CONFIG_64BIT
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UTS_MACHINE := parisc64
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CHECKFLAGS += -D__LP64__=1
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CC_ARCHES = hppa64
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LD_BFD := elf64-hppa-linux
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else # 32-bit
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CC_ARCHES = hppa hppa2.0 hppa1.1
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LD_BFD := elf32-hppa-linux
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endif
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export LD_BFD
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ifneq ($(SUBARCH),$(UTS_MACHINE))
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ifeq ($(CROSS_COMPILE),)
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CC_SUFFIXES = linux linux-gnu unknown-linux-gnu
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CROSS_COMPILE := $(call cc-cross-prefix, \
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$(foreach a,$(CC_ARCHES), \
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$(foreach s,$(CC_SUFFIXES),$(a)-$(s)-)))
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endif
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endif
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OBJCOPY_FLAGS =-O binary -R .note -R .comment -S
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cflags-y := -pipe
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# These flags should be implied by an hppa-linux configuration, but they
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# are not in gcc 3.2.
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cflags-y += -mno-space-regs
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# -mfast-indirect-calls is only relevant for 32-bit kernels.
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ifndef CONFIG_64BIT
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cflags-y += -mfast-indirect-calls
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endif
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# Currently we save and restore fpregs on all kernel entry/interruption paths.
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# If that gets optimized, we might need to disable the use of fpregs in the
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# kernel.
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cflags-y += -mdisable-fpregs
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# Use long jumps instead of long branches (needed if your linker fails to
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# link a too big vmlinux executable). Not enabled for building modules.
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ifdef CONFIG_MLONGCALLS
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KBUILD_CFLAGS_KERNEL += -mlong-calls
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endif
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# Without this, "ld -r" results in .text sections that are too big (> 0x40000)
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# for branches to reach stubs. And multiple .text sections trigger a warning
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# when creating the sysfs module information section.
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ifndef CONFIG_64BIT
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KBUILD_CFLAGS_MODULE += -ffunction-sections
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endif
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# select which processor to optimise for
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cflags-$(CONFIG_PA7000) += -march=1.1 -mschedule=7100
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cflags-$(CONFIG_PA7200) += -march=1.1 -mschedule=7200
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cflags-$(CONFIG_PA7100LC) += -march=1.1 -mschedule=7100LC
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cflags-$(CONFIG_PA7300LC) += -march=1.1 -mschedule=7300
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cflags-$(CONFIG_PA8X00) += -march=2.0 -mschedule=8000
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head-y := arch/parisc/kernel/head.o
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KBUILD_CFLAGS += $(cflags-y)
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kernel-y := mm/ kernel/ math-emu/
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core-y += $(addprefix arch/parisc/, $(kernel-y))
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libs-y += arch/parisc/lib/ $(LIBGCC)
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drivers-$(CONFIG_OPROFILE) += arch/parisc/oprofile/
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boot := arch/parisc/boot
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PALO := $(shell if (which palo 2>&1); then : ; \
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elif [ -x /sbin/palo ]; then echo /sbin/palo; \
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fi)
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PALOCONF := $(shell if [ -f $(src)/palo.conf ]; then echo $(src)/palo.conf; \
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else echo $(obj)/palo.conf; \
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fi)
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palo lifimage: vmlinuz
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@if test ! -x "$(PALO)"; then \
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echo 'ERROR: Please install palo first (apt-get install palo)';\
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echo 'or build it from source and install it somewhere in your $$PATH';\
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false; \
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fi
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@if test ! -f "$(PALOCONF)"; then \
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cp $(src)/arch/parisc/defpalo.conf $(obj)/palo.conf; \
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echo 'A generic palo config file ($(obj)/palo.conf) has been created for you.'; \
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echo 'You should check it and re-run "make palo".'; \
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echo 'WARNING: the "lifimage" file is now placed in this directory by default!'; \
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false; \
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fi
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$(PALO) -f $(PALOCONF)
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BOOT_TARGETS = zImage Image palo lifimage
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INSTALL_TARGETS = zinstall install
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PHONY += bzImage $(BOOT_TARGETS) $(INSTALL_TARGETS)
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# Default kernel to build
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all: bzImage
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zImage: vmlinuz
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Image: vmlinux
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bzImage: vmlinux
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$(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
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ifdef CONFIG_PARISC_SELF_EXTRACT
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vmlinuz: bzImage
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$(OBJCOPY) $(boot)/bzImage $@
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else
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vmlinuz: vmlinux
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@gzip -cf -9 $< > $@
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endif
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install:
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$(CONFIG_SHELL) $(src)/arch/parisc/install.sh \
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$(KERNELRELEASE) vmlinux System.map "$(INSTALL_PATH)"
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zinstall:
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$(CONFIG_SHELL) $(src)/arch/parisc/install.sh \
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$(KERNELRELEASE) vmlinuz System.map "$(INSTALL_PATH)"
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CLEAN_FILES += lifimage
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MRPROPER_FILES += palo.conf
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define archhelp
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@echo '* vmlinux - Uncompressed kernel image (./vmlinux)'
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@echo ' vmlinuz - Compressed kernel image (./vmlinuz)'
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@echo ' palo - Bootable image (./lifimage)'
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@echo ' install - Install uncompressed vmlinux kernel using'
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@echo ' (your) ~/bin/$(INSTALLKERNEL) or'
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@echo ' (distribution) /sbin/$(INSTALLKERNEL) or'
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@echo ' copy to $$(INSTALL_PATH)'
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@echo ' zinstall - Install compressed vmlinuz kernel'
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endef
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# we require gcc 3.3 or above to compile the kernel
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archprepare: checkbin
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checkbin:
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@if test "$(cc-version)" -lt "0303"; then \
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echo -n "Sorry, GCC v3.3 or above is required to build " ; \
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echo "the kernel." ; \
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false ; \
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fi
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