11da177e4SLinus Torvalds# 21da177e4SLinus Torvalds# This file is subject to the terms and conditions of the GNU General Public 31da177e4SLinus Torvalds# License. See the file "COPYING" in the main directory of this archive 41da177e4SLinus Torvalds# for more details. 51da177e4SLinus Torvalds# 61da177e4SLinus Torvalds# Copyright (C) 1994, 95, 96, 2003 by Ralf Baechle 71da177e4SLinus Torvalds# DECStation modifications by Paul M. Antoine, 1996 81da177e4SLinus Torvalds# Copyright (C) 2002, 2003, 2004 Maciej W. Rozycki 91da177e4SLinus Torvalds# 101da177e4SLinus Torvalds# This file is included by the global makefile so that you can add your own 111da177e4SLinus Torvalds# architecture-specific flags and dependencies. Remember to do have actions 121da177e4SLinus Torvalds# for "archclean" cleaning up for this architecture. 131da177e4SLinus Torvalds# 141da177e4SLinus Torvalds 15aadeec4dSMatt Redfearnarchscripts: scripts_basic 16aadeec4dSMatt Redfearn $(Q)$(MAKE) $(build)=arch/mips/boot/tools relocs 17aadeec4dSMatt Redfearn 18de0c1698SAdrian BunkKBUILD_DEFCONFIG := ip22_defconfig 19de0c1698SAdrian Bunk 201da177e4SLinus Torvalds# 211da177e4SLinus Torvalds# Select the object file format to substitute into the linker script. 221da177e4SLinus Torvalds# 231da177e4SLinus Torvaldsifdef CONFIG_CPU_LITTLE_ENDIAN 2417f690beSRalf Baechle32bit-tool-archpref = mipsel 2517f690beSRalf Baechle64bit-tool-archpref = mips64el 261da177e4SLinus Torvalds32bit-bfd = elf32-tradlittlemips 271da177e4SLinus Torvalds64bit-bfd = elf64-tradlittlemips 281da177e4SLinus Torvalds32bit-emul = elf32ltsmip 291da177e4SLinus Torvalds64bit-emul = elf64ltsmip 301da177e4SLinus Torvaldselse 3117f690beSRalf Baechle32bit-tool-archpref = mips 3217f690beSRalf Baechle64bit-tool-archpref = mips64 331da177e4SLinus Torvalds32bit-bfd = elf32-tradbigmips 341da177e4SLinus Torvalds64bit-bfd = elf64-tradbigmips 351da177e4SLinus Torvalds32bit-emul = elf32btsmip 361da177e4SLinus Torvalds64bit-emul = elf64btsmip 371da177e4SLinus Torvaldsendif 381da177e4SLinus Torvalds 39875d43e7SRalf Baechleifdef CONFIG_32BIT 4017f690beSRalf Baechletool-archpref = $(32bit-tool-archpref) 411da177e4SLinus TorvaldsUTS_MACHINE := mips 421da177e4SLinus Torvaldsendif 43875d43e7SRalf Baechleifdef CONFIG_64BIT 4417f690beSRalf Baechletool-archpref = $(64bit-tool-archpref) 451da177e4SLinus TorvaldsUTS_MACHINE := mips64 461da177e4SLinus Torvaldsendif 471da177e4SLinus Torvalds 4817f690beSRalf Baechleifneq ($(SUBARCH),$(ARCH)) 4917f690beSRalf Baechle ifeq ($(CROSS_COMPILE),) 503247989eSMaciej W. Rozycki CROSS_COMPILE := $(call cc-cross-prefix, $(tool-archpref)-linux- $(tool-archpref)-linux-gnu- $(tool-archpref)-unknown-linux-gnu-) 5117f690beSRalf Baechle endif 521da177e4SLinus Torvaldsendif 531da177e4SLinus Torvalds 547326c4e5SWu Zhangjinifdef CONFIG_FUNCTION_GRAPH_TRACER 557326c4e5SWu Zhangjin ifndef KBUILD_MCOUNT_RA_ADDRESS 567326c4e5SWu Zhangjin ifeq ($(call cc-option-yn,-mmcount-ra-address), y) 577326c4e5SWu Zhangjin cflags-y += -mmcount-ra-address -DKBUILD_MCOUNT_RA_ADDRESS 587326c4e5SWu Zhangjin endif 597326c4e5SWu Zhangjin endif 607326c4e5SWu Zhangjinendif 611a4ba061SRalf Baechlecflags-y += $(call cc-option, -mno-check-zero-division) 6205e41404SRalf Baechle 638145095cSRalf Baechleifdef CONFIG_32BIT 641da177e4SLinus Torvaldsld-emul = $(32bit-emul) 651da177e4SLinus Torvaldsvmlinux-32 = vmlinux 661da177e4SLinus Torvaldsvmlinux-64 = vmlinux.64 6759b3e8e9SRalf Baechle 6859b3e8e9SRalf Baechlecflags-y += -mabi=32 698145095cSRalf Baechleendif 701da177e4SLinus Torvalds 718145095cSRalf Baechleifdef CONFIG_64BIT 728145095cSRalf Baechleld-emul = $(64bit-emul) 738145095cSRalf Baechlevmlinux-32 = vmlinux.32 748145095cSRalf Baechlevmlinux-64 = vmlinux 758145095cSRalf Baechle 7659b3e8e9SRalf Baechlecflags-y += -mabi=64 7759b3e8e9SRalf Baechleendif 7859b3e8e9SRalf Baechle 798496b401SRalf Baechleall-$(CONFIG_BOOT_ELF32) := $(vmlinux-32) 808496b401SRalf Baechleall-$(CONFIG_BOOT_ELF64) := $(vmlinux-64) 811b93b3c3SWu Zhangjinall-$(CONFIG_SYS_SUPPORTS_ZBOOT)+= vmlinuz 821da177e4SLinus Torvalds 831da177e4SLinus Torvalds# 841da177e4SLinus Torvalds# GCC uses -G 0 -mabicalls -fpic as default. We don't want PIC in the kernel 851da177e4SLinus Torvalds# code since it only slows down the whole thing. At some point we might make 861da177e4SLinus Torvalds# use of global pointer optimizations but their use of $28 conflicts with 871da177e4SLinus Torvalds# the current pointer optimization. 881da177e4SLinus Torvalds# 891da177e4SLinus Torvalds# The DECStation requires an ECOFF kernel for remote booting, other MIPS 901da177e4SLinus Torvalds# machines may also. Since BFD is incredibly buggy with respect to 911da177e4SLinus Torvalds# crossformat linking we rely on the elf2ecoff tool for format conversion. 921da177e4SLinus Torvalds# 931da177e4SLinus Torvaldscflags-y += -G 0 -mno-abicalls -fno-pic -pipe 946218cf44SRalf Baechlecflags-y += -msoft-float 959f83d839SThiemo SeuferLDFLAGS_vmlinux += -G 0 -static -n -nostdlib 966588169dSSam RavnborgKBUILD_AFLAGS_MODULE += -mlong-calls 976588169dSSam RavnborgKBUILD_CFLAGS_MODULE += -mlong-calls 981da177e4SLinus Torvalds 99e818fac5SMatt Redfearnifeq ($(CONFIG_RELOCATABLE),y) 100e818fac5SMatt RedfearnLDFLAGS_vmlinux += --emit-relocs 101e818fac5SMatt Redfearnendif 102e818fac5SMatt Redfearn 103842dfc11SManuel Lauss# 104842dfc11SManuel Lauss# pass -msoft-float to GAS if it supports it. However on newer binutils 105842dfc11SManuel Lauss# (specifically newer than 2.24.51.20140728) we then also need to explicitly 106842dfc11SManuel Lauss# set ".set hardfloat" in all files which manipulate floating point registers. 107842dfc11SManuel Lauss# 108842dfc11SManuel Laussifneq ($(call as-option,-Wa$(comma)-msoft-float,),) 109842dfc11SManuel Lauss cflags-y += -DGAS_HAS_SET_HARDFLOAT -Wa,-msoft-float 110842dfc11SManuel Laussendif 111842dfc11SManuel Lauss 11272fbfb26SRalf Baechlecflags-y += -ffreestanding 11372fbfb26SRalf Baechle 114f425a6dcSThiemo Seufer# 115f425a6dcSThiemo Seufer# We explicitly add the endianness specifier if needed, this allows 116f425a6dcSThiemo Seufer# to compile kernels with a toolchain for the other endianness. We 117f425a6dcSThiemo Seufer# carefully avoid to add it redundantly because gcc 3.3/3.4 complains 118f425a6dcSThiemo Seufer# when fed the toolchain default! 119f425a6dcSThiemo Seufer# 120f9405412SRalf Baechle# Certain gcc versions up to gcc 4.1.1 (probably 4.2-subversion as of 12159c51591SMichael Opdenacker# 2006-10-10 don't properly change the predefined symbols if -EB / -EL 122f9405412SRalf Baechle# are used, so we kludge that here. A bug has been filed at 123f9405412SRalf Baechle# http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29413. 124f9405412SRalf Baechle# 125f9405412SRalf Baechleundef-all += -UMIPSEB -U_MIPSEB -U__MIPSEB -U__MIPSEB__ 126f9405412SRalf Baechleundef-all += -UMIPSEL -U_MIPSEL -U__MIPSEL -U__MIPSEL__ 127f9405412SRalf Baechlepredef-be += -DMIPSEB -D_MIPSEB -D__MIPSEB -D__MIPSEB__ 128f9405412SRalf Baechlepredef-le += -DMIPSEL -D_MIPSEL -D__MIPSEL -D__MIPSEL__ 129f9405412SRalf Baechlecflags-$(CONFIG_CPU_BIG_ENDIAN) += $(shell $(CC) -dumpmachine |grep -q 'mips.*el-.*' && echo -EB $(undef-all) $(predef-be)) 130f9405412SRalf Baechlecflags-$(CONFIG_CPU_LITTLE_ENDIAN) += $(shell $(CC) -dumpmachine |grep -q 'mips.*el-.*' || echo -EL $(undef-all) $(predef-le)) 131f425a6dcSThiemo Seufer 1329007c9a2SRalf Baechlecflags-$(CONFIG_SB1XXX_CORELIS) += $(call cc-option,-mno-sched-prolog) \ 1339007c9a2SRalf Baechle -fno-omit-frame-pointer 134573deec0SJoshua Kinard 135573deec0SJoshua Kinard# Some distribution-specific toolchains might pass the -fstack-check 136573deec0SJoshua Kinard# option during the build, which adds a simple stack-probe at the beginning 137573deec0SJoshua Kinard# of every function. This stack probe is to ensure that there is enough 138573deec0SJoshua Kinard# stack space, else a SEGV is generated. This is not desirable for MIPS 139573deec0SJoshua Kinard# as kernel stacks are small, placed in unmapped virtual memory, and do not 140573deec0SJoshua Kinard# grow when overflowed. Especially on SGI IP27 platforms, this check will 141573deec0SJoshua Kinard# lead to a NULL pointer dereference in _raw_spin_lock_irq. 142573deec0SJoshua Kinard# 143573deec0SJoshua Kinard# In disassembly, this stack probe appears at the top of a function as: 144573deec0SJoshua Kinard# sd zero,<offset>(sp) 145573deec0SJoshua Kinard# Where <offset> is a negative value. 146573deec0SJoshua Kinard# 147573deec0SJoshua Kinardcflags-y += -fno-stack-check 148573deec0SJoshua Kinard 1491da177e4SLinus Torvalds# 1501da177e4SLinus Torvalds# CPU-dependent compiler/assembler options for optimization. 1511da177e4SLinus Torvalds# 15259b3e8e9SRalf Baechlecflags-$(CONFIG_CPU_R3000) += -march=r3000 15359b3e8e9SRalf Baechlecflags-$(CONFIG_CPU_TX39XX) += -march=r3900 15459b3e8e9SRalf Baechlecflags-$(CONFIG_CPU_R6000) += -march=r6000 -Wa,--trap 15559b3e8e9SRalf Baechlecflags-$(CONFIG_CPU_R4300) += -march=r4300 -Wa,--trap 15659b3e8e9SRalf Baechlecflags-$(CONFIG_CPU_VR41XX) += -march=r4100 -Wa,--trap 15759b3e8e9SRalf Baechlecflags-$(CONFIG_CPU_R4X00) += -march=r4600 -Wa,--trap 15859b3e8e9SRalf Baechlecflags-$(CONFIG_CPU_TX49XX) += -march=r4600 -Wa,--trap 1599200c0b2SRalf Baechlecflags-$(CONFIG_CPU_MIPS32_R1) += $(call cc-option,-march=mips32,-mips32 -U_MIPS_ISA -D_MIPS_ISA=_MIPS_ISA_MIPS32) \ 16059b3e8e9SRalf Baechle -Wa,-mips32 -Wa,--trap 1619200c0b2SRalf Baechlecflags-$(CONFIG_CPU_MIPS32_R2) += $(call cc-option,-march=mips32r2,-mips32r2 -U_MIPS_ISA -D_MIPS_ISA=_MIPS_ISA_MIPS32) \ 16259b3e8e9SRalf Baechle -Wa,-mips32r2 -Wa,--trap 16321855a6eSMiodrag Diniccflags-$(CONFIG_CPU_MIPS32_R6) += -march=mips32r6 -Wa,--trap -modd-spreg 1649200c0b2SRalf Baechlecflags-$(CONFIG_CPU_MIPS64_R1) += $(call cc-option,-march=mips64,-mips64 -U_MIPS_ISA -D_MIPS_ISA=_MIPS_ISA_MIPS64) \ 16559b3e8e9SRalf Baechle -Wa,-mips64 -Wa,--trap 1669200c0b2SRalf Baechlecflags-$(CONFIG_CPU_MIPS64_R2) += $(call cc-option,-march=mips64r2,-mips64r2 -U_MIPS_ISA -D_MIPS_ISA=_MIPS_ISA_MIPS64) \ 16759b3e8e9SRalf Baechle -Wa,-mips64r2 -Wa,--trap 1687fd08ca5SLeonid Yegoshincflags-$(CONFIG_CPU_MIPS64_R6) += -march=mips64r6 -Wa,--trap 16959b3e8e9SRalf Baechlecflags-$(CONFIG_CPU_R5000) += -march=r5000 -Wa,--trap 170c9e321e0SRalf Baechlecflags-$(CONFIG_CPU_R5432) += $(call cc-option,-march=r5400,-march=r5000) \ 1711da177e4SLinus Torvalds -Wa,--trap 172542c1020SShinya Kuribayashicflags-$(CONFIG_CPU_R5500) += $(call cc-option,-march=r5500,-march=r5000) \ 173542c1020SShinya Kuribayashi -Wa,--trap 174c9e321e0SRalf Baechlecflags-$(CONFIG_CPU_NEVADA) += $(call cc-option,-march=rm5200,-march=r5000) \ 1751da177e4SLinus Torvalds -Wa,--trap 17659b3e8e9SRalf Baechlecflags-$(CONFIG_CPU_RM7000) += $(call cc-option,-march=rm7000,-march=r5000) \ 1771da177e4SLinus Torvalds -Wa,--trap 178b625cd4aSMaciej W. Rozyckicflags-$(CONFIG_CPU_SB1) += $(call cc-option,-march=sb1,-march=r5000) \ 1791da177e4SLinus Torvalds -Wa,--trap 180b625cd4aSMaciej W. Rozyckicflags-$(CONFIG_CPU_SB1) += $(call cc-option,-mno-mdmx) 181b625cd4aSMaciej W. Rozyckicflags-$(CONFIG_CPU_SB1) += $(call cc-option,-mno-mips3d) 18259b3e8e9SRalf Baechlecflags-$(CONFIG_CPU_R8000) += -march=r8000 -Wa,--trap 18359b3e8e9SRalf Baechlecflags-$(CONFIG_CPU_R10000) += $(call cc-option,-march=r10000,-march=r8000) \ 1841da177e4SLinus Torvalds -Wa,--trap 1857e69deb8SDavid Daneycflags-$(CONFIG_CPU_CAVIUM_OCTEON) += $(call cc-option,-march=octeon) -Wa,--trap 1867e69deb8SDavid Daneyifeq (,$(findstring march=octeon, $(cflags-$(CONFIG_CPU_CAVIUM_OCTEON)))) 1877e69deb8SDavid Daneycflags-$(CONFIG_CPU_CAVIUM_OCTEON) += -Wa,-march=octeon 1887e69deb8SDavid Daneyendif 189c9941158SDavid Daneycflags-$(CONFIG_CAVIUM_CN63XXP1) += -Wa,-mfix-cn63xxp1 1901c7c4451SKevin Cernekeecflags-$(CONFIG_CPU_BMIPS) += -march=mips32 -Wa,-mips32 -Wa,--trap 1911da177e4SLinus Torvalds 19220d60d99SMaciej W. Rozyckicflags-$(CONFIG_CPU_R4000_WORKAROUNDS) += $(call cc-option,-mfix-r4000,) 19320d60d99SMaciej W. Rozyckicflags-$(CONFIG_CPU_R4400_WORKAROUNDS) += $(call cc-option,-mfix-r4400,) 19420d60d99SMaciej W. Rozyckicflags-$(CONFIG_CPU_DADDI_WORKAROUNDS) += $(call cc-option,-mno-daddi,) 19520d60d99SMaciej W. Rozycki 19632098ec7SMarkos Chandras# For smartmips configurations, there are hundreds of warnings due to ISA overrides 19732098ec7SMarkos Chandras# in assembly and header files. smartmips is only supported for MIPS32r1 onwards 19832098ec7SMarkos Chandras# and there is no support for 64-bit. Various '.set mips2' or '.set mips3' or 19932098ec7SMarkos Chandras# similar directives in the kernel will spam the build logs with the following warnings: 20032098ec7SMarkos Chandras# Warning: the `smartmips' extension requires MIPS32 revision 1 or greater 20132098ec7SMarkos Chandras# or 20232098ec7SMarkos Chandras# Warning: the 64-bit MIPS architecture does not support the `smartmips' extension 20332098ec7SMarkos Chandras# Pass -Wa,--no-warn to disable all assembler warnings until the kernel code has 20432098ec7SMarkos Chandras# been fixed properly. 2055306a545SMarkos Chandrasmips-cflags := $(cflags-y) 2065306a545SMarkos Chandrasifeq ($(CONFIG_CPU_HAS_SMARTMIPS),y) 2075306a545SMarkos Chandrassmartmips-ase := $(call cc-option-yn,$(mips-cflags) -msmartmips) 2085306a545SMarkos Chandrascflags-$(smartmips-ase) += -msmartmips -Wa,--no-warn 2095306a545SMarkos Chandrasendif 2105306a545SMarkos Chandrasifeq ($(CONFIG_CPU_MICROMIPS),y) 2115306a545SMarkos Chandrasmicromips-ase := $(call cc-option-yn,$(mips-cflags) -mmicromips) 2125306a545SMarkos Chandrascflags-$(micromips-ase) += -mmicromips 2135306a545SMarkos Chandrasendif 21432098ec7SMarkos Chandrasifeq ($(CONFIG_CPU_HAS_MSA),y) 2155306a545SMarkos Chandrastoolchain-msa := $(call cc-option-yn,$(mips-cflags) -mhard-float -mfp64 -Wa$(comma)-mmsa) 21632098ec7SMarkos Chandrascflags-$(toolchain-msa) += -DTOOLCHAIN_SUPPORTS_MSA 21732098ec7SMarkos Chandrasendif 218bad50d79SJames Hogantoolchain-virt := $(call cc-option-yn,$(mips-cflags) -mvirt) 219bad50d79SJames Hogancflags-$(toolchain-virt) += -DTOOLCHAIN_SUPPORTS_VIRT 22032098ec7SMarkos Chandras 2211da177e4SLinus Torvalds# 2221da177e4SLinus Torvalds# Firmware support 2231da177e4SLinus Torvalds# 2240e2794b0SRalf Baechlelibs-$(CONFIG_FW_ARC) += arch/mips/fw/arc/ 2250e2794b0SRalf Baechlelibs-$(CONFIG_FW_CFE) += arch/mips/fw/cfe/ 2260e2794b0SRalf Baechlelibs-$(CONFIG_FW_SNIPROM) += arch/mips/fw/sni/ 227231a35d3SThomas Bogendoerferlibs-y += arch/mips/fw/lib/ 2281da177e4SLinus Torvalds 2291da177e4SLinus Torvalds# 230ebc89718SRalf Baechle# Kernel compression 231ebc89718SRalf Baechle# 232ebc89718SRalf Baechleifdef SYS_SUPPORTS_ZBOOT 233ebc89718SRalf BaechleCOMPRESSION_FNAME = vmlinuz 234ebc89718SRalf Baechleelse 235ebc89718SRalf BaechleCOMPRESSION_FNAME = vmlinux 236ebc89718SRalf Baechleendif 237ebc89718SRalf Baechle 238ebc89718SRalf Baechle# 2391da177e4SLinus Torvalds# Board-dependent options and extra files 2401da177e4SLinus Torvalds# 241a436bb7bSMasahiro Yamadainclude arch/mips/Kbuild.platforms 2427ca5dc14SFlorian Fainelli 243abe77f90SRalf Baechleifdef CONFIG_PHYSICAL_START 244abe77f90SRalf Baechleload-y = $(CONFIG_PHYSICAL_START) 245abe77f90SRalf Baechleendif 2465fc9484fSPaul Burton 2475fc9484fSPaul Burtonentry-noisa-y = 0x$(shell $(NM) vmlinux 2>/dev/null \ 2483185557dSJames Hogan | grep "\bkernel_entry\b" | cut -f1 -d \ ) 2495fc9484fSPaul Burtonifdef CONFIG_CPU_MICROMIPS 2505fc9484fSPaul Burton # 2515fc9484fSPaul Burton # Set the ISA bit, since the kernel_entry symbol in the ELF will have it 2525fc9484fSPaul Burton # clear which would lead to images containing addresses which bootloaders may 2535fc9484fSPaul Burton # jump to as MIPS32 code. 2545fc9484fSPaul Burton # 2555fc9484fSPaul Burton entry-y = $(patsubst %0,%1,$(patsubst %2,%3,$(patsubst %4,%5, \ 2565fc9484fSPaul Burton $(patsubst %6,%7,$(patsubst %8,%9,$(patsubst %a,%b, \ 2575fc9484fSPaul Burton $(patsubst %c,%d,$(patsubst %e,%f,$(entry-noisa-y))))))))) 2585fc9484fSPaul Burtonelse 2595fc9484fSPaul Burton entry-y = $(entry-noisa-y) 2605fc9484fSPaul Burtonendif 261abe77f90SRalf Baechle 262384740dcSRalf Baechlecflags-y += -I$(srctree)/arch/mips/include/asm/mach-generic 2631da177e4SLinus Torvaldsdrivers-$(CONFIG_PCI) += arch/mips/pci/ 2641da177e4SLinus Torvalds 265adff90a9SFranck Bui-Huu# 266adff90a9SFranck Bui-Huu# Automatically detect the build format. By default we choose 267adff90a9SFranck Bui-Huu# the elf format according to the load address. 268adff90a9SFranck Bui-Huu# We can always force a build with a 64-bits symbol format by 269054c51b4SFranck Bui-Huu# passing 'KBUILD_SYM32=no' option to the make's command line. 270adff90a9SFranck Bui-Huu# 271adff90a9SFranck Bui-Huuifdef CONFIG_64BIT 272054c51b4SFranck Bui-Huu ifndef KBUILD_SYM32 273adff90a9SFranck Bui-Huu ifeq ($(shell expr $(load-y) \< 0xffffffff80000000), 0) 274054c51b4SFranck Bui-Huu KBUILD_SYM32 = y 275adff90a9SFranck Bui-Huu endif 276adff90a9SFranck Bui-Huu endif 277adff90a9SFranck Bui-Huu 27820d60d99SMaciej W. Rozycki ifeq ($(KBUILD_SYM32)$(call cc-option-yn,-msym32), yy) 279054c51b4SFranck Bui-Huu cflags-y += -msym32 -DKBUILD_64BIT_SYM32 28020d60d99SMaciej W. Rozycki else 28120d60d99SMaciej W. Rozycki ifeq ($(CONFIG_CPU_DADDI_WORKAROUNDS), y) 28220d60d99SMaciej W. Rozycki $(error CONFIG_CPU_DADDI_WORKAROUNDS unsupported without -msym32) 283adff90a9SFranck Bui-Huu endif 284adff90a9SFranck Bui-Huu endif 285e58d95abSFranck Bui-Huuendif 286adff90a9SFranck Bui-Huu 287222d394dSSam RavnborgKBUILD_AFLAGS += $(cflags-y) 28851b563fcSSam RavnborgKBUILD_CFLAGS += $(cflags-y) 289f7fc237eSMichal MarekKBUILD_CPPFLAGS += -DVMLINUX_LOAD_ADDRESS=$(load-y) 290f7fc237eSMichal MarekKBUILD_CPPFLAGS += -DDATAOFFSET=$(if $(dataoffset-y),$(dataoffset-y),0) 2911da177e4SLinus Torvalds 2923185557dSJames Hoganbootvars-y = VMLINUX_LOAD_ADDRESS=$(load-y) \ 293cf2a5e0bSPaul Burton VMLINUX_ENTRY_ADDRESS=$(entry-y) \ 294818f38c5SMatt Redfearn PLATFORM="$(platform-y)" 295eed0eabdSPaul Burtonifdef CONFIG_32BIT 296eed0eabdSPaul Burtonbootvars-y += ADDR_BITS=32 297eed0eabdSPaul Burtonendif 298eed0eabdSPaul Burtonifdef CONFIG_64BIT 299eed0eabdSPaul Burtonbootvars-y += ADDR_BITS=64 300eed0eabdSPaul Burtonendif 3013185557dSJames Hogan 3021da177e4SLinus TorvaldsLDFLAGS += -m $(ld-emul) 3031da177e4SLinus Torvalds 30459b3e8e9SRalf Baechleifdef CONFIG_MIPS 305a0f97e06SSam RavnborgCHECKFLAGS += $(shell $(CC) $(KBUILD_CFLAGS) -dM -E -x c /dev/null | \ 30648c35b2dSAlexey Dobriyan egrep -vw '__GNUC_(|MINOR_|PATCHLEVEL_)_' | \ 30773d8f99cSAaro Koskinen sed -e "s/^\#define /-D'/" -e "s/ /'='/" -e "s/$$/'/" -e 's/\$$/&&/g') 3082a2c3e45SAtsushi Nemotoifdef CONFIG_64BIT 3092a2c3e45SAtsushi NemotoCHECKFLAGS += -m64 3102a2c3e45SAtsushi Nemotoendif 31159b3e8e9SRalf Baechleendif 31259b3e8e9SRalf Baechle 3131da177e4SLinus TorvaldsOBJCOPYFLAGS += --remove-section=.reginfo 3141da177e4SLinus Torvalds 315957b369cSThomas Gleixnerhead-y := arch/mips/kernel/head.o 3161da177e4SLinus Torvalds 3171da177e4SLinus Torvaldslibs-y += arch/mips/lib/ 318593d33feSRalf Baechlelibs-y += arch/mips/math-emu/ 3191da177e4SLinus Torvalds 3209aeb404bSSam Ravnborg# See arch/mips/Kbuild for content of core part of the kernel 3219aeb404bSSam Ravnborgcore-y += arch/mips/ 3221da177e4SLinus Torvalds 3231da177e4SLinus Torvaldsdrivers-$(CONFIG_OPROFILE) += arch/mips/oprofile/ 3241da177e4SLinus Torvalds 325363c55caSWu Zhangjin# suspend and hibernation support 326363c55caSWu Zhangjindrivers-$(CONFIG_PM) += arch/mips/power/ 327363c55caSWu Zhangjin 32838d2d649SJames Hogan# boot image targets (arch/mips/boot/) 32938d2d649SJames Hoganboot-y := vmlinux.bin 33038d2d649SJames Hoganboot-y += vmlinux.ecoff 33138d2d649SJames Hoganboot-y += vmlinux.srec 3324defe455SJames Hoganifeq ($(shell expr $(load-y) \< 0xffffffff80000000 2> /dev/null), 0) 3334defe455SJames Hoganboot-y += uImage 3349d6b80faSMarkos Chandrasboot-y += uImage.bin 3359d6b80faSMarkos Chandrasboot-y += uImage.bz2 3364defe455SJames Hoganboot-y += uImage.gz 3379d6b80faSMarkos Chandrasboot-y += uImage.lzma 3389d6b80faSMarkos Chandrasboot-y += uImage.lzo 3394defe455SJames Hoganendif 340cf2a5e0bSPaul Burtonboot-y += vmlinux.itb 341cf2a5e0bSPaul Burtonboot-y += vmlinux.gz.itb 342cf2a5e0bSPaul Burtonboot-y += vmlinux.bz2.itb 343cf2a5e0bSPaul Burtonboot-y += vmlinux.lzma.itb 344cf2a5e0bSPaul Burtonboot-y += vmlinux.lzo.itb 34538d2d649SJames Hogan 34638d2d649SJames Hogan# compressed boot image targets (arch/mips/boot/compressed/) 34738d2d649SJames Hoganbootz-y := vmlinuz 34838d2d649SJames Hoganbootz-y += vmlinuz.bin 34938d2d649SJames Hoganbootz-y += vmlinuz.ecoff 35038d2d649SJames Hoganbootz-y += vmlinuz.srec 351ccebb88aSMaarten ter Huurneifeq ($(shell expr $(zload-y) \< 0xffffffff80000000 2> /dev/null), 0) 352ccebb88aSMaarten ter Huurnebootz-y += uzImage.bin 353ccebb88aSMaarten ter Huurneendif 35438d2d649SJames Hogan 3551f21d2bdSBrian Murphyifdef CONFIG_LASAT 3561f21d2bdSBrian Murphyrom.bin rom.sw: vmlinux 3573185557dSJames Hogan $(Q)$(MAKE) $(build)=arch/mips/lasat/image \ 3583185557dSJames Hogan $(bootvars-y) $@ 3591f21d2bdSBrian Murphyendif 3601f21d2bdSBrian Murphy 3611da177e4SLinus Torvalds# 3621da177e4SLinus Torvalds# Some machines like the Indy need 32-bit ELF binaries for booting purposes. 3631da177e4SLinus Torvalds# Other need ECOFF, so we build a 32-bit ELF binary for them which we then 3641da177e4SLinus Torvalds# convert to ECOFF using elf2ecoff. 3651da177e4SLinus Torvalds# 366007fbbeaSWu Zhangjinquiet_cmd_32 = OBJCOPY $@ 367007fbbeaSWu Zhangjin cmd_32 = $(OBJCOPY) -O $(32bit-bfd) $(OBJCOPYFLAGS) $< $@ 3681da177e4SLinus Torvaldsvmlinux.32: vmlinux 369007fbbeaSWu Zhangjin $(call cmd,32) 3701da177e4SLinus Torvalds 3711da177e4SLinus Torvalds# 3721da177e4SLinus Torvalds# The 64-bit ELF tools are pretty broken so at this time we generate 64-bit 3731da177e4SLinus Torvalds# ELF files from 32-bit files by conversion. 3741da177e4SLinus Torvalds# 375007fbbeaSWu Zhangjinquiet_cmd_64 = OBJCOPY $@ 376007fbbeaSWu Zhangjin cmd_64 = $(OBJCOPY) -O $(64bit-bfd) $(OBJCOPYFLAGS) $< $@ 3771da177e4SLinus Torvaldsvmlinux.64: vmlinux 378007fbbeaSWu Zhangjin $(call cmd,64) 3791da177e4SLinus Torvalds 3808496b401SRalf Baechleall: $(all-y) 3811da177e4SLinus Torvalds 38235eaa1e9SSam Ravnborg# boot 38338d2d649SJames Hogan$(boot-y): $(vmlinux-32) FORCE 3843185557dSJames Hogan $(Q)$(MAKE) $(build)=arch/mips/boot VMLINUX=$(vmlinux-32) \ 3853185557dSJames Hogan $(bootvars-y) arch/mips/boot/$@ 3861da177e4SLinus Torvalds 38726fca83aSFlorian Fainelliifdef CONFIG_SYS_SUPPORTS_ZBOOT 38835eaa1e9SSam Ravnborg# boot/compressed 38938d2d649SJames Hogan$(bootz-y): $(vmlinux-32) FORCE 39035eaa1e9SSam Ravnborg $(Q)$(MAKE) $(build)=arch/mips/boot/compressed \ 3913185557dSJames Hogan $(bootvars-y) 32bit-bfd=$(32bit-bfd) $@ 39226fca83aSFlorian Fainellielse 39326fca83aSFlorian Fainellivmlinuz: FORCE 39426fca83aSFlorian Fainelli @echo ' CONFIG_SYS_SUPPORTS_ZBOOT is not enabled' 39526fca83aSFlorian Fainelli /bin/false 39626fca83aSFlorian Fainelliendif 39735eaa1e9SSam Ravnborg 39835eaa1e9SSam Ravnborg 399d745866eSSam RavnborgCLEAN_FILES += vmlinux.32 vmlinux.64 4001da177e4SLinus Torvalds 4017fafb068SAndrew Bresticker# device-trees 4027fafb068SAndrew Brestickercore-$(CONFIG_BUILTIN_DTB) += arch/mips/boot/dts/ 4037fafb068SAndrew Bresticker 4047fafb068SAndrew Bresticker%.dtb %.dtb.S %.dtb.o: | scripts 4057fafb068SAndrew Bresticker $(Q)$(MAKE) $(build)=arch/mips/boot/dts arch/mips/boot/dts/$@ 4067fafb068SAndrew Bresticker 407c8d333dfSAndrew BrestickerPHONY += dtbs 408c8d333dfSAndrew Brestickerdtbs: scripts 4098c0b9ee8SAndrew Bresticker $(Q)$(MAKE) $(build)=arch/mips/boot/dts 410c8d333dfSAndrew Bresticker 411eb2236eaSAndrew BrestickerPHONY += dtbs_install 412eb2236eaSAndrew Brestickerdtbs_install: 413eb2236eaSAndrew Bresticker $(Q)$(MAKE) $(dtbinst)=arch/mips/boot/dts 414e48ce6b8SAtsushi Nemoto 415e48ce6b8SAtsushi Nemotoarchprepare: 41644656fa0SDavid Daneyifdef CONFIG_MIPS32_N32 4178c9b23ffSArnd Bergmann @$(kecho) ' Checking missing-syscalls for N32' 418e48ce6b8SAtsushi Nemoto $(Q)$(MAKE) $(build)=. missing-syscalls missing_syscalls_flags="-mabi=n32" 419e48ce6b8SAtsushi Nemotoendif 420e48ce6b8SAtsushi Nemotoifdef CONFIG_MIPS32_O32 4218c9b23ffSArnd Bergmann @$(kecho) ' Checking missing-syscalls for O32' 422e3726304Smatt mooney $(Q)$(MAKE) $(build)=. missing-syscalls missing_syscalls_flags="-mabi=32" 423e48ce6b8SAtsushi Nemotoendif 424e48ce6b8SAtsushi Nemoto 42559968d3bSRalf Baechleinstall: 42659968d3bSRalf Baechle $(Q)install -D -m 755 vmlinux $(INSTALL_PATH)/vmlinux-$(KERNELRELEASE) 427d9beeecaSRalf Baechleifdef CONFIG_SYS_SUPPORTS_ZBOOT 4281b93b3c3SWu Zhangjin $(Q)install -D -m 755 vmlinuz $(INSTALL_PATH)/vmlinuz-$(KERNELRELEASE) 429d9beeecaSRalf Baechleendif 43059968d3bSRalf Baechle $(Q)install -D -m 644 .config $(INSTALL_PATH)/config-$(KERNELRELEASE) 43159968d3bSRalf Baechle $(Q)install -D -m 644 System.map $(INSTALL_PATH)/System.map-$(KERNELRELEASE) 43259968d3bSRalf Baechle 4331da177e4SLinus Torvaldsarchclean: 434d745866eSSam Ravnborg $(Q)$(MAKE) $(clean)=arch/mips/boot 435d745866eSSam Ravnborg $(Q)$(MAKE) $(clean)=arch/mips/boot/compressed 436aadeec4dSMatt Redfearn $(Q)$(MAKE) $(clean)=arch/mips/boot/tools 437d745866eSSam Ravnborg $(Q)$(MAKE) $(clean)=arch/mips/lasat 4381da177e4SLinus Torvalds 439e7865765SRalf Baechledefine archhelp 44059968d3bSRalf Baechle echo ' install - install kernel into $(INSTALL_PATH)' 441e7865765SRalf Baechle echo ' vmlinux.ecoff - ECOFF boot image' 442e7865765SRalf Baechle echo ' vmlinux.bin - Raw binary boot image' 443e7865765SRalf Baechle echo ' vmlinux.srec - SREC boot image' 44478931652SJoshua Kinard echo ' vmlinux.32 - 64-bit boot image wrapped in 32bits (IP22/IP32)' 4451b93b3c3SWu Zhangjin echo ' vmlinuz - Compressed boot(zboot) image' 4461b93b3c3SWu Zhangjin echo ' vmlinuz.ecoff - ECOFF zboot image' 4471b93b3c3SWu Zhangjin echo ' vmlinuz.bin - Raw binary zboot image' 4481b93b3c3SWu Zhangjin echo ' vmlinuz.srec - SREC zboot image' 4494defe455SJames Hogan echo ' uImage - U-Boot image' 4509d6b80faSMarkos Chandras echo ' uImage.bin - U-Boot image (uncompressed)' 4519d6b80faSMarkos Chandras echo ' uImage.bz2 - U-Boot image (bz2)' 4524defe455SJames Hogan echo ' uImage.gz - U-Boot image (gzip)' 4539d6b80faSMarkos Chandras echo ' uImage.lzma - U-Boot image (lzma)' 4549d6b80faSMarkos Chandras echo ' uImage.lzo - U-Boot image (lzo)' 455ccebb88aSMaarten ter Huurne echo ' uzImage.bin - U-Boot image (self-extracting)' 456c8d333dfSAndrew Bresticker echo ' dtbs - Device-tree blobs for enabled boards' 457eb2236eaSAndrew Bresticker echo ' dtbs_install - Install dtbs to $(INSTALL_DTBS_PATH)' 458e7865765SRalf Baechle echo 45925985edcSLucas De Marchi echo ' These will be default as appropriate for a configured platform.' 460eed0eabdSPaul Burton echo 461eed0eabdSPaul Burton echo ' If you are targeting a system supported by generic kernels you may' 462eed0eabdSPaul Burton echo ' configure the kernel for a given architecture target like so:' 463eed0eabdSPaul Burton echo 464eed0eabdSPaul Burton echo ' {micro32,32,64}{r1,r2,r6}{el,}_defconfig <BOARDS="list of boards">' 465eed0eabdSPaul Burton echo 466eed0eabdSPaul Burton echo ' Otherwise, the following default configurations are available:' 467e7865765SRalf Baechleendef 468eed0eabdSPaul Burton 469eed0eabdSPaul Burtongeneric_config_dir = $(srctree)/arch/$(ARCH)/configs/generic 470eed0eabdSPaul Burtongeneric_defconfigs := 471eed0eabdSPaul Burton 472eed0eabdSPaul Burton# 473eed0eabdSPaul Burton# If the user generates a generic kernel configuration without specifying a 474eed0eabdSPaul Burton# list of boards to include the config fragments for, default to including all 475eed0eabdSPaul Burton# available board config fragments. 476eed0eabdSPaul Burton# 477eed0eabdSPaul Burtonifeq ($(BOARDS),) 478eed0eabdSPaul BurtonBOARDS = $(patsubst board-%.config,%,$(notdir $(wildcard $(generic_config_dir)/board-*.config))) 479eed0eabdSPaul Burtonendif 480eed0eabdSPaul Burton 481eed0eabdSPaul Burton# 482eed0eabdSPaul Burton# Generic kernel configurations which merge generic_defconfig with the 483eed0eabdSPaul Burton# appropriate config fragments from arch/mips/configs/generic/, resulting in 484eed0eabdSPaul Burton# the ability to easily configure the kernel for a given architecture, 485eed0eabdSPaul Burton# endianness & set of boards without duplicating the needed configuration in 486eed0eabdSPaul Burton# hundreds of defconfig files. 487eed0eabdSPaul Burton# 488eed0eabdSPaul Burtondefine gen_generic_defconfigs 489eed0eabdSPaul Burton$(foreach bits,$(1),$(foreach rev,$(2),$(foreach endian,$(3), 490eed0eabdSPaul Burtontarget := $(bits)$(rev)$(filter el,$(endian))_defconfig 491eed0eabdSPaul Burtongeneric_defconfigs += $$(target) 492eed0eabdSPaul Burton$$(target): $(generic_config_dir)/$(bits)$(rev).config 493eed0eabdSPaul Burton$$(target): $(generic_config_dir)/$(endian).config 494eed0eabdSPaul Burton))) 495eed0eabdSPaul Burtonendef 496eed0eabdSPaul Burton 497eed0eabdSPaul Burton$(eval $(call gen_generic_defconfigs,32 64,r1 r2 r6,eb el)) 498eed0eabdSPaul Burton$(eval $(call gen_generic_defconfigs,micro32,r2,eb el)) 499eed0eabdSPaul Burton 500eed0eabdSPaul Burton.PHONY: $(generic_defconfigs) 501eed0eabdSPaul Burton$(generic_defconfigs): 502eed0eabdSPaul Burton $(Q)$(CONFIG_SHELL) $(srctree)/scripts/kconfig/merge_config.sh \ 503eed0eabdSPaul Burton -m -O $(objtree) $(srctree)/arch/$(ARCH)/configs/generic_defconfig $^ \ 504eed0eabdSPaul Burton $(foreach board,$(BOARDS),$(generic_config_dir)/board-$(board).config) 505337b775bSMarcin Nowakowski $(Q)$(MAKE) -f $(srctree)/Makefile olddefconfig 506eed0eabdSPaul Burton 507eed0eabdSPaul Burton# 508eed0eabdSPaul Burton# Prevent generic merge_config rules attempting to merge single fragments 509eed0eabdSPaul Burton# 510eed0eabdSPaul Burton$(generic_config_dir)/%.config: ; 5113f5f0a44SPaul Burton 5123f5f0a44SPaul Burton# 5133f5f0a44SPaul Burton# Legacy defconfig compatibility - these targets used to be real defconfigs but 5143f5f0a44SPaul Burton# now that the boards have been converted to use the generic kernel they are 5153f5f0a44SPaul Burton# wrappers around the generic rules above. 5163f5f0a44SPaul Burton# 5173f5f0a44SPaul Burton.PHONY: sead3_defconfig 5183f5f0a44SPaul Burtonsead3_defconfig: 519337b775bSMarcin Nowakowski $(Q)$(MAKE) -f $(srctree)/Makefile 32r2el_defconfig BOARDS=sead-3 5203f5f0a44SPaul Burton 5213f5f0a44SPaul Burton.PHONY: sead3micro_defconfig 5223f5f0a44SPaul Burtonsead3micro_defconfig: 523337b775bSMarcin Nowakowski $(Q)$(MAKE) -f $(srctree)/Makefile micro32r2el_defconfig BOARDS=sead-3 524