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8212f8986d
Documentation/kbuild/makefiles.rst suggests to use "archclean" for
cleaning arch/$(SRCARCH)/boot/, but it is not a hard requirement.
Since commit d92cc4d516 ("kbuild: require all architectures to have
arch/$(SRCARCH)/Kbuild"), we can use the "subdir- += boot" trick for
all architectures. This can take advantage of the parallel option (-j)
for "make clean".
I also cleaned up the comments in arch/$(SRCARCH)/Makefile. The "archdep"
target no longer exists.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Reviewed-by: Kees Cook <keescook@chromium.org>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Michael Ellerman <mpe@ellerman.id.au> (powerpc)
69 lines
2.3 KiB
Makefile
69 lines
2.3 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) 2013 Altera Corporation
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# Copyright (C) 1994, 95, 96, 2003 by Wind River Systems
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# Written by Fredrik Markstrom
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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.
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#
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# Nios2 port by Wind River Systems Inc trough:
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# fredrik.markstrom@gmail.com and ivarholmqvist@gmail.com
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KBUILD_DEFCONFIG := 3c120_defconfig
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UTS_SYSNAME = Linux
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export MMU
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LIBGCC := $(shell $(CC) $(KBUILD_CFLAGS) $(KCFLAGS) -print-libgcc-file-name)
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KBUILD_AFLAGS += -march=r$(CONFIG_NIOS2_ARCH_REVISION)
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KBUILD_CFLAGS += -pipe -D__linux__ -D__ELF__
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KBUILD_CFLAGS += -march=r$(CONFIG_NIOS2_ARCH_REVISION)
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KBUILD_CFLAGS += $(if $(CONFIG_NIOS2_HW_MUL_SUPPORT),-mhw-mul,-mno-hw-mul)
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KBUILD_CFLAGS += $(if $(CONFIG_NIOS2_HW_MULX_SUPPORT),-mhw-mulx,-mno-hw-mulx)
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KBUILD_CFLAGS += $(if $(CONFIG_NIOS2_HW_DIV_SUPPORT),-mhw-div,-mno-hw-div)
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KBUILD_CFLAGS += $(if $(CONFIG_NIOS2_BMX_SUPPORT),-mbmx,-mno-bmx)
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KBUILD_CFLAGS += $(if $(CONFIG_NIOS2_CDX_SUPPORT),-mcdx,-mno-cdx)
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KBUILD_CFLAGS += $(if $(CONFIG_NIOS2_FPU_SUPPORT),-mcustom-fpu-cfg=60-1,)
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KBUILD_CFLAGS += -fno-optimize-sibling-calls
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KBUILD_CFLAGS += -DUTS_SYSNAME=\"$(UTS_SYSNAME)\"
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KBUILD_CFLAGS += -fno-builtin
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KBUILD_CFLAGS += -G 0
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head-y := arch/nios2/kernel/head.o
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libs-y += arch/nios2/lib/ $(LIBGCC)
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core-y += arch/nios2/kernel/ arch/nios2/mm/
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core-y += arch/nios2/platform/
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INSTALL_PATH ?= /tftpboot
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nios2-boot := arch/$(ARCH)/boot
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BOOT_TARGETS = vmImage zImage
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PHONY += $(BOOT_TARGETS) install
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KBUILD_IMAGE := $(nios2-boot)/vmImage
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core-y += $(nios2-boot)/dts/
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all: vmImage
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$(BOOT_TARGETS): vmlinux
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$(Q)$(MAKE) $(build)=$(nios2-boot) $(nios2-boot)/$@
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install:
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sh $(srctree)/$(nios2-boot)/install.sh $(KERNELRELEASE) \
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$(KBUILD_IMAGE) System.map "$(INSTALL_PATH)"
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define archhelp
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echo '* vmImage - Kernel-only image for U-Boot ($(KBUILD_IMAGE))'
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echo ' install - Install 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 ' install to $$(INSTALL_PATH)'
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endef
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