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7f058e852b
Add NLM_XLR_BOARD, CPU_XLR and other config options Makefile updates, mostly based on r4k Signed-off-by: Jayachandran C <jayachandranc@netlogicmicro.com> To: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/2334/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
331 lines
11 KiB
Makefile
331 lines
11 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) 1994, 95, 96, 2003 by Ralf Baechle
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# DECStation modifications by Paul M. Antoine, 1996
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# Copyright (C) 2002, 2003, 2004 Maciej W. Rozycki
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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" cleaning up for this architecture.
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#
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KBUILD_DEFCONFIG := ip22_defconfig
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#
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# Select the object file format to substitute into the linker script.
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#
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ifdef CONFIG_CPU_LITTLE_ENDIAN
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32bit-tool-archpref = mipsel
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64bit-tool-archpref = mips64el
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32bit-bfd = elf32-tradlittlemips
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64bit-bfd = elf64-tradlittlemips
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32bit-emul = elf32ltsmip
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64bit-emul = elf64ltsmip
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else
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32bit-tool-archpref = mips
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64bit-tool-archpref = mips64
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32bit-bfd = elf32-tradbigmips
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64bit-bfd = elf64-tradbigmips
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32bit-emul = elf32btsmip
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64bit-emul = elf64btsmip
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endif
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ifdef CONFIG_32BIT
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tool-archpref = $(32bit-tool-archpref)
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UTS_MACHINE := mips
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endif
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ifdef CONFIG_64BIT
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tool-archpref = $(64bit-tool-archpref)
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UTS_MACHINE := mips64
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endif
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ifneq ($(SUBARCH),$(ARCH))
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ifeq ($(CROSS_COMPILE),)
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CROSS_COMPILE := $(call cc-cross-prefix, $(tool-archpref)-linux- $(tool-archpref)-linux-gnu- $(tool-archpref)-unknown-linux-gnu-)
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endif
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endif
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ifdef CONFIG_FUNCTION_GRAPH_TRACER
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ifndef KBUILD_MCOUNT_RA_ADDRESS
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ifeq ($(call cc-option-yn,-mmcount-ra-address), y)
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cflags-y += -mmcount-ra-address -DKBUILD_MCOUNT_RA_ADDRESS
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endif
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endif
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endif
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cflags-y += $(call cc-option, -mno-check-zero-division)
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ifdef CONFIG_32BIT
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ld-emul = $(32bit-emul)
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vmlinux-32 = vmlinux
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vmlinux-64 = vmlinux.64
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cflags-y += -mabi=32
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endif
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ifdef CONFIG_64BIT
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ld-emul = $(64bit-emul)
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vmlinux-32 = vmlinux.32
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vmlinux-64 = vmlinux
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cflags-y += -mabi=64
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endif
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all-$(CONFIG_BOOT_ELF32) := $(vmlinux-32)
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all-$(CONFIG_BOOT_ELF64) := $(vmlinux-64)
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all-$(CONFIG_SYS_SUPPORTS_ZBOOT)+= vmlinuz
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#
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# GCC uses -G 0 -mabicalls -fpic as default. We don't want PIC in the kernel
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# code since it only slows down the whole thing. At some point we might make
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# use of global pointer optimizations but their use of $28 conflicts with
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# the current pointer optimization.
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#
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# The DECStation requires an ECOFF kernel for remote booting, other MIPS
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# machines may also. Since BFD is incredibly buggy with respect to
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# crossformat linking we rely on the elf2ecoff tool for format conversion.
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#
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cflags-y += -G 0 -mno-abicalls -fno-pic -pipe
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cflags-y += -msoft-float
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LDFLAGS_vmlinux += -G 0 -static -n -nostdlib
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KBUILD_AFLAGS_MODULE += -mlong-calls
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KBUILD_CFLAGS_MODULE += -mlong-calls
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cflags-y += -ffreestanding
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#
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# We explicitly add the endianness specifier if needed, this allows
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# to compile kernels with a toolchain for the other endianness. We
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# carefully avoid to add it redundantly because gcc 3.3/3.4 complains
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# when fed the toolchain default!
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#
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# Certain gcc versions up to gcc 4.1.1 (probably 4.2-subversion as of
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# 2006-10-10 don't properly change the predefined symbols if -EB / -EL
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# are used, so we kludge that here. A bug has been filed at
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# http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29413.
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#
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undef-all += -UMIPSEB -U_MIPSEB -U__MIPSEB -U__MIPSEB__
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undef-all += -UMIPSEL -U_MIPSEL -U__MIPSEL -U__MIPSEL__
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predef-be += -DMIPSEB -D_MIPSEB -D__MIPSEB -D__MIPSEB__
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predef-le += -DMIPSEL -D_MIPSEL -D__MIPSEL -D__MIPSEL__
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cflags-$(CONFIG_CPU_BIG_ENDIAN) += $(shell $(CC) -dumpmachine |grep -q 'mips.*el-.*' && echo -EB $(undef-all) $(predef-be))
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cflags-$(CONFIG_CPU_LITTLE_ENDIAN) += $(shell $(CC) -dumpmachine |grep -q 'mips.*el-.*' || echo -EL $(undef-all) $(predef-le))
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cflags-$(CONFIG_CPU_HAS_SMARTMIPS) += $(call cc-option,-msmartmips)
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cflags-$(CONFIG_SB1XXX_CORELIS) += $(call cc-option,-mno-sched-prolog) \
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-fno-omit-frame-pointer
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#
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# CPU-dependent compiler/assembler options for optimization.
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#
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cflags-$(CONFIG_CPU_R3000) += -march=r3000
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cflags-$(CONFIG_CPU_TX39XX) += -march=r3900
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cflags-$(CONFIG_CPU_R6000) += -march=r6000 -Wa,--trap
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cflags-$(CONFIG_CPU_R4300) += -march=r4300 -Wa,--trap
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cflags-$(CONFIG_CPU_VR41XX) += -march=r4100 -Wa,--trap
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cflags-$(CONFIG_CPU_R4X00) += -march=r4600 -Wa,--trap
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cflags-$(CONFIG_CPU_TX49XX) += -march=r4600 -Wa,--trap
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cflags-$(CONFIG_CPU_MIPS32_R1) += $(call cc-option,-march=mips32,-mips32 -U_MIPS_ISA -D_MIPS_ISA=_MIPS_ISA_MIPS32) \
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-Wa,-mips32 -Wa,--trap
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cflags-$(CONFIG_CPU_MIPS32_R2) += $(call cc-option,-march=mips32r2,-mips32r2 -U_MIPS_ISA -D_MIPS_ISA=_MIPS_ISA_MIPS32) \
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-Wa,-mips32r2 -Wa,--trap
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cflags-$(CONFIG_CPU_MIPS64_R1) += $(call cc-option,-march=mips64,-mips64 -U_MIPS_ISA -D_MIPS_ISA=_MIPS_ISA_MIPS64) \
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-Wa,-mips64 -Wa,--trap
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cflags-$(CONFIG_CPU_MIPS64_R2) += $(call cc-option,-march=mips64r2,-mips64r2 -U_MIPS_ISA -D_MIPS_ISA=_MIPS_ISA_MIPS64) \
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-Wa,-mips64r2 -Wa,--trap
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cflags-$(CONFIG_CPU_R5000) += -march=r5000 -Wa,--trap
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cflags-$(CONFIG_CPU_R5432) += $(call cc-option,-march=r5400,-march=r5000) \
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-Wa,--trap
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cflags-$(CONFIG_CPU_R5500) += $(call cc-option,-march=r5500,-march=r5000) \
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-Wa,--trap
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cflags-$(CONFIG_CPU_NEVADA) += $(call cc-option,-march=rm5200,-march=r5000) \
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-Wa,--trap
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cflags-$(CONFIG_CPU_RM7000) += $(call cc-option,-march=rm7000,-march=r5000) \
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-Wa,--trap
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cflags-$(CONFIG_CPU_RM9000) += $(call cc-option,-march=rm9000,-march=r5000) \
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-Wa,--trap
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cflags-$(CONFIG_CPU_SB1) += $(call cc-option,-march=sb1,-march=r5000) \
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-Wa,--trap
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cflags-$(CONFIG_CPU_R8000) += -march=r8000 -Wa,--trap
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cflags-$(CONFIG_CPU_R10000) += $(call cc-option,-march=r10000,-march=r8000) \
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-Wa,--trap
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cflags-$(CONFIG_CPU_CAVIUM_OCTEON) += $(call cc-option,-march=octeon) -Wa,--trap
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ifeq (,$(findstring march=octeon, $(cflags-$(CONFIG_CPU_CAVIUM_OCTEON))))
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cflags-$(CONFIG_CPU_CAVIUM_OCTEON) += -Wa,-march=octeon
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endif
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cflags-$(CONFIG_CAVIUM_CN63XXP1) += -Wa,-mfix-cn63xxp1
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cflags-$(CONFIG_CPU_R4000_WORKAROUNDS) += $(call cc-option,-mfix-r4000,)
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cflags-$(CONFIG_CPU_R4400_WORKAROUNDS) += $(call cc-option,-mfix-r4400,)
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cflags-$(CONFIG_CPU_DADDI_WORKAROUNDS) += $(call cc-option,-mno-daddi,)
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ifdef CONFIG_CPU_SB1
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ifdef CONFIG_SB1_PASS_1_WORKAROUNDS
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KBUILD_AFLAGS_MODULE += -msb1-pass1-workarounds
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KBUILD_CFLAGS_MODULE += -msb1-pass1-workarounds
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endif
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endif
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#
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# Firmware support
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#
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libs-$(CONFIG_ARC) += arch/mips/fw/arc/
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libs-$(CONFIG_CFE) += arch/mips/fw/cfe/
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libs-$(CONFIG_SNIPROM) += arch/mips/fw/sni/
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libs-y += arch/mips/fw/lib/
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#
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# Kernel compression
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#
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ifdef SYS_SUPPORTS_ZBOOT
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COMPRESSION_FNAME = vmlinuz
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else
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COMPRESSION_FNAME = vmlinux
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endif
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#
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# Board-dependent options and extra files
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#
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include $(srctree)/arch/mips/Kbuild.platforms
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#
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# NETLOGIC SOC Common (common)
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#
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cflags-$(CONFIG_NLM_COMMON) += -I$(srctree)/arch/mips/include/asm/mach-netlogic
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cflags-$(CONFIG_NLM_COMMON) += -I$(srctree)/arch/mips/include/asm/netlogic
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#
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# NETLOGIC XLR/XLS SoC, Simulator and boards
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#
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core-$(CONFIG_NLM_XLR) += arch/mips/netlogic/xlr/
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load-$(CONFIG_NLM_XLR_BOARD) += 0xffffffff84000000
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cflags-y += -I$(srctree)/arch/mips/include/asm/mach-generic
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drivers-$(CONFIG_PCI) += arch/mips/pci/
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#
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# Automatically detect the build format. By default we choose
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# the elf format according to the load address.
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# We can always force a build with a 64-bits symbol format by
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# passing 'KBUILD_SYM32=no' option to the make's command line.
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#
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ifdef CONFIG_64BIT
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ifndef KBUILD_SYM32
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ifeq ($(shell expr $(load-y) \< 0xffffffff80000000), 0)
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KBUILD_SYM32 = y
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endif
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endif
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ifeq ($(KBUILD_SYM32)$(call cc-option-yn,-msym32), yy)
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cflags-y += -msym32 -DKBUILD_64BIT_SYM32
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else
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ifeq ($(CONFIG_CPU_DADDI_WORKAROUNDS), y)
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$(error CONFIG_CPU_DADDI_WORKAROUNDS unsupported without -msym32)
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endif
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endif
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endif
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KBUILD_AFLAGS += $(cflags-y)
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KBUILD_CFLAGS += $(cflags-y)
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KBUILD_CPPFLAGS += -D"VMLINUX_LOAD_ADDRESS=$(load-y)"
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KBUILD_CPPFLAGS += -D"DATAOFFSET=$(if $(dataoffset-y),$(dataoffset-y),0)"
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LDFLAGS += -m $(ld-emul)
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ifdef CONFIG_MIPS
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CHECKFLAGS += $(shell $(CC) $(KBUILD_CFLAGS) -dM -E -xc /dev/null | \
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egrep -vw '__GNUC_(|MINOR_|PATCHLEVEL_)_' | \
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sed -e 's/^\#define /-D/' -e "s/ /='/" -e "s/$$/'/")
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ifdef CONFIG_64BIT
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CHECKFLAGS += -m64
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endif
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endif
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OBJCOPYFLAGS += --remove-section=.reginfo
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head-y := arch/mips/kernel/head.o arch/mips/kernel/init_task.o
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libs-y += arch/mips/lib/
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# See arch/mips/Kbuild for content of core part of the kernel
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core-y += arch/mips/
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drivers-$(CONFIG_OPROFILE) += arch/mips/oprofile/
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# suspend and hibernation support
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drivers-$(CONFIG_PM) += arch/mips/power/
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ifdef CONFIG_LASAT
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rom.bin rom.sw: vmlinux
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$(Q)$(MAKE) $(build)=arch/mips/lasat/image $@
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endif
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#
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# Some machines like the Indy need 32-bit ELF binaries for booting purposes.
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# Other need ECOFF, so we build a 32-bit ELF binary for them which we then
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# convert to ECOFF using elf2ecoff.
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#
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vmlinux.32: vmlinux
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$(OBJCOPY) -O $(32bit-bfd) $(OBJCOPYFLAGS) $< $@
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#obj-$(CONFIG_KPROBES) += kprobes.o
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#
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# The 64-bit ELF tools are pretty broken so at this time we generate 64-bit
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# ELF files from 32-bit files by conversion.
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#
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vmlinux.64: vmlinux
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$(OBJCOPY) -O $(64bit-bfd) $(OBJCOPYFLAGS) $< $@
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all: $(all-y)
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# boot
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vmlinux.bin vmlinux.ecoff vmlinux.srec: $(vmlinux-32) FORCE
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$(Q)$(MAKE) $(build)=arch/mips/boot VMLINUX=$(vmlinux-32) arch/mips/boot/$@
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# boot/compressed
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vmlinuz vmlinuz.bin vmlinuz.ecoff vmlinuz.srec: $(vmlinux-32) FORCE
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$(Q)$(MAKE) $(build)=arch/mips/boot/compressed \
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VMLINUX_LOAD_ADDRESS=$(load-y) 32bit-bfd=$(32bit-bfd) $@
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CLEAN_FILES += vmlinux.32 vmlinux.64
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archprepare:
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ifdef CONFIG_MIPS32_N32
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@echo ' Checking missing-syscalls for N32'
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$(Q)$(MAKE) $(build)=. missing-syscalls ccflags-y="-mabi=n32"
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endif
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ifdef CONFIG_MIPS32_O32
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@echo ' Checking missing-syscalls for O32'
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$(Q)$(MAKE) $(build)=. missing-syscalls ccflags-y="-mabi=32"
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endif
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install:
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$(Q)install -D -m 755 vmlinux $(INSTALL_PATH)/vmlinux-$(KERNELRELEASE)
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$(Q)install -D -m 755 vmlinuz $(INSTALL_PATH)/vmlinuz-$(KERNELRELEASE)
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$(Q)install -D -m 644 .config $(INSTALL_PATH)/config-$(KERNELRELEASE)
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$(Q)install -D -m 644 System.map $(INSTALL_PATH)/System.map-$(KERNELRELEASE)
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archclean:
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$(Q)$(MAKE) $(clean)=arch/mips/boot
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$(Q)$(MAKE) $(clean)=arch/mips/boot/compressed
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$(Q)$(MAKE) $(clean)=arch/mips/lasat
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define archhelp
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echo ' install - install kernel into $(INSTALL_PATH)'
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echo ' vmlinux.ecoff - ECOFF boot image'
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echo ' vmlinux.bin - Raw binary boot image'
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echo ' vmlinux.srec - SREC boot image'
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echo ' vmlinuz - Compressed boot(zboot) image'
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echo ' vmlinuz.ecoff - ECOFF zboot image'
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echo ' vmlinuz.bin - Raw binary zboot image'
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echo ' vmlinuz.srec - SREC zboot image'
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echo
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echo ' These will be default as appropriate for a configured platform.'
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endef
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