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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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637dfa0fad
scripts/package/builddeb calls "make dtbs_install" after executing a plain make (i.e. no build targets specified). It will fail if dtbs were not built beforehand. Match the arm64 architecture where DTBs get built by the "all" target. Signed-off-by: Cedric Hombourger <Cedric_Hombourger@mentor.com> [paul.burton@mips.com: s/builddep/builddeb] Signed-off-by: Paul Burton <paul.burton@mips.com> Cc: linux-mips@vger.kernel.org Cc: stable@vger.kernel.org # v4.1+
568 lines
20 KiB
Makefile
568 lines
20 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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archscripts: scripts_basic
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$(Q)$(MAKE) $(build)=arch/mips/tools elf-entry
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$(Q)$(MAKE) $(build)=arch/mips/boot/tools relocs
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KBUILD_DEFCONFIG := 32r2el_defconfig
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KBUILD_DTBS := dtbs
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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 $28 conflicts with
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# the current pointer optimization.
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#
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# The DECStation requires an ECOFF kernel for remote booting, other MIPS
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# machines may also. Since BFD is incredibly buggy with respect to
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# crossformat linking we rely on the elf2ecoff tool for format conversion.
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#
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cflags-y += -G 0 -mno-abicalls -fno-pic -pipe
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cflags-y += -msoft-float
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LDFLAGS_vmlinux += -G 0 -static -n -nostdlib
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KBUILD_AFLAGS_MODULE += -mlong-calls
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KBUILD_CFLAGS_MODULE += -mlong-calls
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ifeq ($(CONFIG_RELOCATABLE),y)
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LDFLAGS_vmlinux += --emit-relocs
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endif
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#
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# pass -msoft-float to GAS if it supports it. However on newer binutils
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# (specifically newer than 2.24.51.20140728) we then also need to explicitly
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# set ".set hardfloat" in all files which manipulate floating point registers.
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#
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ifneq ($(call as-option,-Wa$(comma)-msoft-float,),)
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cflags-y += -DGAS_HAS_SET_HARDFLOAT -Wa,-msoft-float
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endif
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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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# clang doesn't suffer from these issues and our checks against -dumpmachine
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# don't work so well when cross compiling, since without providing --target
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# clang's output will be based upon the build machine. So for clang we simply
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# unconditionally specify -EB or -EL as appropriate.
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#
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ifdef CONFIG_CC_IS_CLANG
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cflags-$(CONFIG_CPU_BIG_ENDIAN) += -EB
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cflags-$(CONFIG_CPU_LITTLE_ENDIAN) += -EL
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else
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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) $(predef-le))
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endif
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cflags-$(CONFIG_SB1XXX_CORELIS) += $(call cc-option,-mno-sched-prolog) \
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-fno-omit-frame-pointer
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# Some distribution-specific toolchains might pass the -fstack-check
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# option during the build, which adds a simple stack-probe at the beginning
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# of every function. This stack probe is to ensure that there is enough
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# stack space, else a SEGV is generated. This is not desirable for MIPS
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# as kernel stacks are small, placed in unmapped virtual memory, and do not
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# grow when overflowed. Especially on SGI IP27 platforms, this check will
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# lead to a NULL pointer dereference in _raw_spin_lock_irq.
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#
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# In disassembly, this stack probe appears at the top of a function as:
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# sd zero,<offset>(sp)
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# Where <offset> is a negative value.
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#
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cflags-y += -fno-stack-check
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#
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# CPU-dependent compiler/assembler options for optimization.
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#
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cflags-$(CONFIG_CPU_R3000) += -march=r3000
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cflags-$(CONFIG_CPU_TX39XX) += -march=r3900
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cflags-$(CONFIG_CPU_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) += -march=mips32 -Wa,--trap
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cflags-$(CONFIG_CPU_MIPS32_R2) += -march=mips32r2 -Wa,--trap
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cflags-$(CONFIG_CPU_MIPS32_R6) += -march=mips32r6 -Wa,--trap -modd-spreg
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cflags-$(CONFIG_CPU_MIPS64_R1) += -march=mips64 -Wa,--trap
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cflags-$(CONFIG_CPU_MIPS64_R2) += -march=mips64r2 -Wa,--trap
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cflags-$(CONFIG_CPU_MIPS64_R6) += -march=mips64r6 -Wa,--trap
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cflags-$(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_SB1) += $(call cc-option,-march=sb1,-march=r5000) \
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-Wa,--trap
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cflags-$(CONFIG_CPU_SB1) += $(call cc-option,-mno-mdmx)
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cflags-$(CONFIG_CPU_SB1) += $(call cc-option,-mno-mips3d)
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cflags-$(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-$(CONFIG_CPU_BMIPS) += -march=mips32 -Wa,-mips32 -Wa,--trap
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cflags-$(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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# For smartmips configurations, there are hundreds of warnings due to ISA overrides
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# in assembly and header files. smartmips is only supported for MIPS32r1 onwards
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# and there is no support for 64-bit. Various '.set mips2' or '.set mips3' or
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# similar directives in the kernel will spam the build logs with the following warnings:
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# Warning: the `smartmips' extension requires MIPS32 revision 1 or greater
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# or
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# Warning: the 64-bit MIPS architecture does not support the `smartmips' extension
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# Pass -Wa,--no-warn to disable all assembler warnings until the kernel code has
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# been fixed properly.
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mips-cflags := $(cflags-y)
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ifeq ($(CONFIG_CPU_HAS_SMARTMIPS),y)
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smartmips-ase := $(call cc-option-yn,$(mips-cflags) -msmartmips)
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cflags-$(smartmips-ase) += -msmartmips -Wa,--no-warn
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endif
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ifeq ($(CONFIG_CPU_MICROMIPS),y)
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micromips-ase := $(call cc-option-yn,$(mips-cflags) -mmicromips)
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cflags-$(micromips-ase) += -mmicromips
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endif
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ifeq ($(CONFIG_CPU_HAS_MSA),y)
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toolchain-msa := $(call cc-option-yn,$(mips-cflags) -mhard-float -mfp64 -Wa$(comma)-mmsa)
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cflags-$(toolchain-msa) += -DTOOLCHAIN_SUPPORTS_MSA
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endif
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toolchain-virt := $(call cc-option-yn,$(mips-cflags) -mvirt)
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cflags-$(toolchain-virt) += -DTOOLCHAIN_SUPPORTS_VIRT
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# For -mmicromips, use -Wa,-fatal-warnings to catch unsupported -mxpa which
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# only warns
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xpa-cflags-y := $(mips-cflags)
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xpa-cflags-$(micromips-ase) += -mmicromips -Wa$(comma)-fatal-warnings
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toolchain-xpa := $(call cc-option-yn,$(xpa-cflags-y) -mxpa)
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cflags-$(toolchain-xpa) += -DTOOLCHAIN_SUPPORTS_XPA
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toolchain-crc := $(call cc-option-yn,$(mips-cflags) -Wa$(comma)-mcrc)
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cflags-$(toolchain-crc) += -DTOOLCHAIN_SUPPORTS_CRC
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toolchain-dsp := $(call cc-option-yn,$(mips-cflags) -Wa$(comma)-mdsp)
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cflags-$(toolchain-dsp) += -DTOOLCHAIN_SUPPORTS_DSP
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toolchain-ginv := $(call cc-option-yn,$(mips-cflags) -Wa$(comma)-mginv)
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cflags-$(toolchain-ginv) += -DTOOLCHAIN_SUPPORTS_GINV
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#
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# Firmware support
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#
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libs-$(CONFIG_FW_ARC) += arch/mips/fw/arc/
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libs-$(CONFIG_FW_CFE) += arch/mips/fw/cfe/
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libs-$(CONFIG_FW_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 CONFIG_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 arch/mips/Kbuild.platforms
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ifdef CONFIG_PHYSICAL_START
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load-y = $(CONFIG_PHYSICAL_START)
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endif
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entry-y = $(shell $(objtree)/arch/mips/tools/elf-entry vmlinux)
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cflags-y += -I$(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 += $(cflags-y)
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KBUILD_CPPFLAGS += -DVMLINUX_LOAD_ADDRESS=$(load-y)
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KBUILD_CPPFLAGS += -DDATAOFFSET=$(if $(dataoffset-y),$(dataoffset-y),0)
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bootvars-y = VMLINUX_LOAD_ADDRESS=$(load-y) \
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VMLINUX_ENTRY_ADDRESS=$(entry-y) \
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PLATFORM="$(platform-y)" \
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ITS_INPUTS="$(its-y)"
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ifdef CONFIG_32BIT
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bootvars-y += ADDR_BITS=32
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endif
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ifdef CONFIG_64BIT
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bootvars-y += ADDR_BITS=64
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endif
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# This is required to get dwarf unwinding tables into .debug_frame
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# instead of .eh_frame so we don't discard them.
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KBUILD_CFLAGS += -fno-asynchronous-unwind-tables
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KBUILD_LDFLAGS += -m $(ld-emul)
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ifdef CONFIG_MIPS
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CHECKFLAGS += $(shell $(CC) $(KBUILD_CFLAGS) -dM -E -x c /dev/null | \
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egrep -vw '__GNUC_(|MINOR_|PATCHLEVEL_)_' | \
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sed -e "s/^\#define /-D'/" -e "s/ /'='/" -e "s/$$/'/" -e 's/\$$/&&/g')
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endif
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OBJCOPYFLAGS += --remove-section=.reginfo
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head-y := arch/mips/kernel/head.o
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libs-y += arch/mips/lib/
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libs-$(CONFIG_MIPS_FP_SUPPORT) += arch/mips/math-emu/
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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_MIPS_CRC_SUPPORT) += arch/mips/crypto/
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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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# boot image targets (arch/mips/boot/)
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boot-y := vmlinux.bin
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boot-y += vmlinux.ecoff
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boot-y += vmlinux.srec
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ifeq ($(shell expr $(load-y) \< 0xffffffff80000000 2> /dev/null), 0)
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boot-y += uImage
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boot-y += uImage.bin
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boot-y += uImage.bz2
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boot-y += uImage.gz
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boot-y += uImage.lzma
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boot-y += uImage.lzo
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endif
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boot-y += vmlinux.itb
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boot-y += vmlinux.gz.itb
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boot-y += vmlinux.bz2.itb
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boot-y += vmlinux.lzma.itb
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boot-y += vmlinux.lzo.itb
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# compressed boot image targets (arch/mips/boot/compressed/)
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bootz-y := vmlinuz
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bootz-y += vmlinuz.bin
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bootz-y += vmlinuz.ecoff
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bootz-y += vmlinuz.srec
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ifeq ($(shell expr $(zload-y) \< 0xffffffff80000000 2> /dev/null), 0)
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bootz-y += uzImage.bin
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endif
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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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$(bootvars-y) $@
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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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quiet_cmd_32 = OBJCOPY $@
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cmd_32 = $(OBJCOPY) -O $(32bit-bfd) $(OBJCOPYFLAGS) $< $@
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vmlinux.32: vmlinux
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$(call cmd,32)
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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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quiet_cmd_64 = OBJCOPY $@
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cmd_64 = $(OBJCOPY) -O $(64bit-bfd) $(OBJCOPYFLAGS) $< $@
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vmlinux.64: vmlinux
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$(call cmd,64)
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all: $(all-y) $(KBUILD_DTBS)
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# boot
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$(boot-y): $(vmlinux-32) FORCE
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$(Q)$(MAKE) $(build)=arch/mips/boot VMLINUX=$(vmlinux-32) \
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$(bootvars-y) arch/mips/boot/$@
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ifdef CONFIG_SYS_SUPPORTS_ZBOOT
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# boot/compressed
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$(bootz-y): $(vmlinux-32) FORCE
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$(Q)$(MAKE) $(build)=arch/mips/boot/compressed \
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$(bootvars-y) 32bit-bfd=$(32bit-bfd) $@
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else
|
|
vmlinuz: FORCE
|
|
@echo ' CONFIG_SYS_SUPPORTS_ZBOOT is not enabled'
|
|
/bin/false
|
|
endif
|
|
|
|
|
|
CLEAN_FILES += vmlinux.32 vmlinux.64
|
|
|
|
# device-trees
|
|
core-y += arch/mips/boot/dts/
|
|
|
|
archprepare:
|
|
ifdef CONFIG_MIPS32_N32
|
|
@$(kecho) ' Checking missing-syscalls for N32'
|
|
$(Q)$(MAKE) $(build)=. missing-syscalls missing_syscalls_flags="-mabi=n32"
|
|
endif
|
|
ifdef CONFIG_MIPS32_O32
|
|
@$(kecho) ' Checking missing-syscalls for O32'
|
|
$(Q)$(MAKE) $(build)=. missing-syscalls missing_syscalls_flags="-mabi=32"
|
|
endif
|
|
|
|
install:
|
|
$(Q)install -D -m 755 vmlinux $(INSTALL_PATH)/vmlinux-$(KERNELRELEASE)
|
|
ifdef CONFIG_SYS_SUPPORTS_ZBOOT
|
|
$(Q)install -D -m 755 vmlinuz $(INSTALL_PATH)/vmlinuz-$(KERNELRELEASE)
|
|
endif
|
|
$(Q)install -D -m 644 .config $(INSTALL_PATH)/config-$(KERNELRELEASE)
|
|
$(Q)install -D -m 644 System.map $(INSTALL_PATH)/System.map-$(KERNELRELEASE)
|
|
|
|
archclean:
|
|
$(Q)$(MAKE) $(clean)=arch/mips/boot
|
|
$(Q)$(MAKE) $(clean)=arch/mips/boot/compressed
|
|
$(Q)$(MAKE) $(clean)=arch/mips/boot/tools
|
|
$(Q)$(MAKE) $(clean)=arch/mips/lasat
|
|
|
|
archheaders:
|
|
$(Q)$(MAKE) $(build)=arch/mips/kernel/syscalls all
|
|
|
|
define archhelp
|
|
echo ' install - install kernel into $(INSTALL_PATH)'
|
|
echo ' vmlinux.ecoff - ECOFF boot image'
|
|
echo ' vmlinux.bin - Raw binary boot image'
|
|
echo ' vmlinux.srec - SREC boot image'
|
|
echo ' vmlinux.32 - 64-bit boot image wrapped in 32bits (IP22/IP32)'
|
|
echo ' vmlinuz - Compressed boot(zboot) image'
|
|
echo ' vmlinuz.ecoff - ECOFF zboot image'
|
|
echo ' vmlinuz.bin - Raw binary zboot image'
|
|
echo ' vmlinuz.srec - SREC zboot image'
|
|
echo ' uImage - U-Boot image'
|
|
echo ' uImage.bin - U-Boot image (uncompressed)'
|
|
echo ' uImage.bz2 - U-Boot image (bz2)'
|
|
echo ' uImage.gz - U-Boot image (gzip)'
|
|
echo ' uImage.lzma - U-Boot image (lzma)'
|
|
echo ' uImage.lzo - U-Boot image (lzo)'
|
|
echo ' uzImage.bin - U-Boot image (self-extracting)'
|
|
echo
|
|
echo ' These will be default as appropriate for a configured platform.'
|
|
echo
|
|
echo ' If you are targeting a system supported by generic kernels you may'
|
|
echo ' configure the kernel for a given architecture target like so:'
|
|
echo
|
|
echo ' {micro32,32,64}{r1,r2,r6}{el,}_defconfig <BOARDS="list of boards">'
|
|
echo
|
|
echo ' Where BOARDS is some subset of the following:'
|
|
for board in $(sort $(BOARDS)); do echo " $${board}"; done
|
|
echo
|
|
echo ' Specifically the following generic default configurations are'
|
|
echo ' supported:'
|
|
echo
|
|
$(foreach cfg,$(generic_defconfigs),
|
|
printf " %-24s - Build generic kernel for $(call describe_generic_defconfig,$(cfg))\n" $(cfg);)
|
|
echo
|
|
echo ' The following legacy default configurations have been converted to'
|
|
echo ' generic and can still be used:'
|
|
echo
|
|
$(foreach cfg,$(sort $(legacy_defconfigs)),
|
|
printf " %-24s - Build $($(cfg)-y)\n" $(cfg);)
|
|
echo
|
|
echo ' Otherwise, the following default configurations are available:'
|
|
endef
|
|
|
|
generic_config_dir = $(srctree)/arch/$(ARCH)/configs/generic
|
|
generic_defconfigs :=
|
|
|
|
#
|
|
# If the user generates a generic kernel configuration without specifying a
|
|
# list of boards to include the config fragments for, default to including all
|
|
# available board config fragments.
|
|
#
|
|
ifeq ($(BOARDS),)
|
|
BOARDS = $(patsubst board-%.config,%,$(notdir $(wildcard $(generic_config_dir)/board-*.config)))
|
|
endif
|
|
|
|
#
|
|
# Generic kernel configurations which merge generic_defconfig with the
|
|
# appropriate config fragments from arch/mips/configs/generic/, resulting in
|
|
# the ability to easily configure the kernel for a given architecture,
|
|
# endianness & set of boards without duplicating the needed configuration in
|
|
# hundreds of defconfig files.
|
|
#
|
|
define gen_generic_defconfigs
|
|
$(foreach bits,$(1),$(foreach rev,$(2),$(foreach endian,$(3),
|
|
target := $(bits)$(rev)$(filter el,$(endian))_defconfig
|
|
generic_defconfigs += $$(target)
|
|
$$(target): $(generic_config_dir)/$(bits)$(rev).config
|
|
$$(target): $(generic_config_dir)/$(endian).config
|
|
)))
|
|
endef
|
|
|
|
$(eval $(call gen_generic_defconfigs,32 64,r1 r2 r6,eb el))
|
|
$(eval $(call gen_generic_defconfigs,micro32,r2,eb el))
|
|
|
|
define describe_generic_defconfig
|
|
$(subst 32r,MIPS32 r,$(subst 64r,MIPS64 r,$(subst el, little endian,$(patsubst %_defconfig,%,$(1)))))
|
|
endef
|
|
|
|
.PHONY: $(generic_defconfigs)
|
|
$(generic_defconfigs):
|
|
$(Q)$(CONFIG_SHELL) $(srctree)/scripts/kconfig/merge_config.sh \
|
|
-m -O $(objtree) $(srctree)/arch/$(ARCH)/configs/generic_defconfig $^ | \
|
|
grep -Ev '^#'
|
|
$(Q)cp $(KCONFIG_CONFIG) $(objtree)/.config.$@
|
|
$(Q)$(MAKE) -f $(srctree)/Makefile olddefconfig \
|
|
KCONFIG_CONFIG=$(objtree)/.config.$@ >/dev/null
|
|
$(Q)$(CONFIG_SHELL) $(srctree)/arch/$(ARCH)/tools/generic-board-config.sh \
|
|
$(srctree) $(objtree) $(objtree)/.config.$@ $(KCONFIG_CONFIG) \
|
|
"$(origin BOARDS)" $(BOARDS)
|
|
$(Q)$(MAKE) -f $(srctree)/Makefile olddefconfig
|
|
|
|
#
|
|
# Prevent generic merge_config rules attempting to merge single fragments
|
|
#
|
|
$(generic_config_dir)/%.config: ;
|
|
|
|
#
|
|
# Prevent direct use of generic_defconfig, which is intended to be used as the
|
|
# basis of the various ISA-specific targets generated above.
|
|
#
|
|
.PHONY: generic_defconfig
|
|
generic_defconfig:
|
|
$(Q)echo "generic_defconfig is not intended for direct use, but should instead be"
|
|
$(Q)echo "used via an ISA-specific target from the following list:"
|
|
$(Q)echo
|
|
$(Q)for cfg in $(generic_defconfigs); do echo " $${cfg}"; done
|
|
$(Q)echo
|
|
$(Q)false
|
|
|
|
#
|
|
# Legacy defconfig compatibility - these targets used to be real defconfigs but
|
|
# now that the boards have been converted to use the generic kernel they are
|
|
# wrappers around the generic rules above.
|
|
#
|
|
legacy_defconfigs += ocelot_defconfig
|
|
ocelot_defconfig-y := 32r2el_defconfig BOARDS=ocelot
|
|
|
|
legacy_defconfigs += sead3_defconfig
|
|
sead3_defconfig-y := 32r2el_defconfig BOARDS=sead-3
|
|
|
|
legacy_defconfigs += sead3micro_defconfig
|
|
sead3micro_defconfig-y := micro32r2el_defconfig BOARDS=sead-3
|
|
|
|
legacy_defconfigs += xilfpga_defconfig
|
|
xilfpga_defconfig-y := 32r2el_defconfig BOARDS=xilfpga
|
|
|
|
.PHONY: $(legacy_defconfigs)
|
|
$(legacy_defconfigs):
|
|
$(Q)$(MAKE) -f $(srctree)/Makefile $($@-y)
|