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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 | # # This file is subject to the terms and conditions of the GNU General Public # License. See the file "COPYING" in the main directory of this archive # for more details. # # Copyright (C) 1994, 95, 96, 2003 by Ralf Baechle # DECStation modifications by Paul M. Antoine, 1996 # Copyright (C) 2002, 2003, 2004 Maciej W. Rozycki # # This file is included by the global makefile so that you can add your own # architecture-specific flags and dependencies. Remember to do have actions # for "archclean" cleaning up for this architecture. # KBUILD_DEFCONFIG := ip22_defconfig # # Select the object file format to substitute into the linker script. # ifdef CONFIG_CPU_LITTLE_ENDIAN 32bit-tool-archpref = mipsel 64bit-tool-archpref = mips64el 32bit-bfd = elf32-tradlittlemips 64bit-bfd = elf64-tradlittlemips 32bit-emul = elf32ltsmip 64bit-emul = elf64ltsmip else 32bit-tool-archpref = mips 64bit-tool-archpref = mips64 32bit-bfd = elf32-tradbigmips 64bit-bfd = elf64-tradbigmips 32bit-emul = elf32btsmip 64bit-emul = elf64btsmip endif ifdef CONFIG_32BIT tool-archpref = $(32bit-tool-archpref) UTS_MACHINE := mips endif ifdef CONFIG_64BIT tool-archpref = $(64bit-tool-archpref) UTS_MACHINE := mips64 endif ifneq ($(SUBARCH),$(ARCH)) ifeq ($(CROSS_COMPILE),) CROSS_COMPILE := $(call cc-cross-prefix, $(tool-archpref)-linux- $(tool-archpref)-linux-gnu- $(tool-archpref)-unknown-linux-gnu-) endif endif ifdef CONFIG_FUNCTION_GRAPH_TRACER ifndef KBUILD_MCOUNT_RA_ADDRESS ifeq ($(call cc-option-yn,-mmcount-ra-address), y) cflags-y += -mmcount-ra-address -DKBUILD_MCOUNT_RA_ADDRESS endif endif endif cflags-y += $(call cc-option, -mno-check-zero-division) ifdef CONFIG_32BIT ld-emul = $(32bit-emul) vmlinux-32 = vmlinux vmlinux-64 = vmlinux.64 cflags-y += -mabi=32 endif ifdef CONFIG_64BIT ld-emul = $(64bit-emul) vmlinux-32 = vmlinux.32 vmlinux-64 = vmlinux cflags-y += -mabi=64 endif all-$(CONFIG_BOOT_ELF32) := $(vmlinux-32) all-$(CONFIG_BOOT_ELF64) := $(vmlinux-64) all-$(CONFIG_SYS_SUPPORTS_ZBOOT)+= vmlinuz # # GCC uses -G 0 -mabicalls -fpic as default. We don't want PIC in the kernel # code since it only slows down the whole thing. At some point we might make # use of global pointer optimizations but their use of $28 conflicts with # the current pointer optimization. # # The DECStation requires an ECOFF kernel for remote booting, other MIPS # machines may also. Since BFD is incredibly buggy with respect to # crossformat linking we rely on the elf2ecoff tool for format conversion. # cflags-y += -G 0 -mno-abicalls -fno-pic -pipe cflags-y += -msoft-float LDFLAGS_vmlinux += -G 0 -static -n -nostdlib KBUILD_AFLAGS_MODULE += -mlong-calls KBUILD_CFLAGS_MODULE += -mlong-calls cflags-y += -ffreestanding # # We explicitly add the endianness specifier if needed, this allows # to compile kernels with a toolchain for the other endianness. We # carefully avoid to add it redundantly because gcc 3.3/3.4 complains # when fed the toolchain default! # # Certain gcc versions up to gcc 4.1.1 (probably 4.2-subversion as of # 2006-10-10 don't properly change the predefined symbols if -EB / -EL # are used, so we kludge that here. A bug has been filed at # http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29413. # undef-all += -UMIPSEB -U_MIPSEB -U__MIPSEB -U__MIPSEB__ undef-all += -UMIPSEL -U_MIPSEL -U__MIPSEL -U__MIPSEL__ predef-be += -DMIPSEB -D_MIPSEB -D__MIPSEB -D__MIPSEB__ predef-le += -DMIPSEL -D_MIPSEL -D__MIPSEL -D__MIPSEL__ cflags-$(CONFIG_CPU_BIG_ENDIAN) += $(shell $(CC) -dumpmachine |grep -q 'mips.*el-.*' && echo -EB $(undef-all) $(predef-be)) cflags-$(CONFIG_CPU_LITTLE_ENDIAN) += $(shell $(CC) -dumpmachine |grep -q 'mips.*el-.*' || echo -EL $(undef-all) $(predef-le)) cflags-$(CONFIG_CPU_HAS_SMARTMIPS) += $(call cc-option,-msmartmips) cflags-$(CONFIG_SB1XXX_CORELIS) += $(call cc-option,-mno-sched-prolog) \ -fno-omit-frame-pointer # # CPU-dependent compiler/assembler options for optimization. # cflags-$(CONFIG_CPU_R3000) += -march=r3000 cflags-$(CONFIG_CPU_TX39XX) += -march=r3900 cflags-$(CONFIG_CPU_R6000) += -march=r6000 -Wa,--trap cflags-$(CONFIG_CPU_R4300) += -march=r4300 -Wa,--trap cflags-$(CONFIG_CPU_VR41XX) += -march=r4100 -Wa,--trap cflags-$(CONFIG_CPU_R4X00) += -march=r4600 -Wa,--trap cflags-$(CONFIG_CPU_TX49XX) += -march=r4600 -Wa,--trap cflags-$(CONFIG_CPU_MIPS32_R1) += $(call cc-option,-march=mips32,-mips32 -U_MIPS_ISA -D_MIPS_ISA=_MIPS_ISA_MIPS32) \ -Wa,-mips32 -Wa,--trap cflags-$(CONFIG_CPU_MIPS32_R2) += $(call cc-option,-march=mips32r2,-mips32r2 -U_MIPS_ISA -D_MIPS_ISA=_MIPS_ISA_MIPS32) \ -Wa,-mips32r2 -Wa,--trap cflags-$(CONFIG_CPU_MIPS64_R1) += $(call cc-option,-march=mips64,-mips64 -U_MIPS_ISA -D_MIPS_ISA=_MIPS_ISA_MIPS64) \ -Wa,-mips64 -Wa,--trap cflags-$(CONFIG_CPU_MIPS64_R2) += $(call cc-option,-march=mips64r2,-mips64r2 -U_MIPS_ISA -D_MIPS_ISA=_MIPS_ISA_MIPS64) \ -Wa,-mips64r2 -Wa,--trap cflags-$(CONFIG_CPU_R5000) += -march=r5000 -Wa,--trap cflags-$(CONFIG_CPU_R5432) += $(call cc-option,-march=r5400,-march=r5000) \ -Wa,--trap cflags-$(CONFIG_CPU_R5500) += $(call cc-option,-march=r5500,-march=r5000) \ -Wa,--trap cflags-$(CONFIG_CPU_NEVADA) += $(call cc-option,-march=rm5200,-march=r5000) \ -Wa,--trap cflags-$(CONFIG_CPU_RM7000) += $(call cc-option,-march=rm7000,-march=r5000) \ -Wa,--trap cflags-$(CONFIG_CPU_RM9000) += $(call cc-option,-march=rm9000,-march=r5000) \ -Wa,--trap cflags-$(CONFIG_CPU_SB1) += $(call cc-option,-march=sb1,-march=r5000) \ -Wa,--trap cflags-$(CONFIG_CPU_R8000) += -march=r8000 -Wa,--trap cflags-$(CONFIG_CPU_R10000) += $(call cc-option,-march=r10000,-march=r8000) \ -Wa,--trap cflags-$(CONFIG_CPU_CAVIUM_OCTEON) += $(call cc-option,-march=octeon) -Wa,--trap ifeq (,$(findstring march=octeon, $(cflags-$(CONFIG_CPU_CAVIUM_OCTEON)))) cflags-$(CONFIG_CPU_CAVIUM_OCTEON) += -Wa,-march=octeon endif cflags-$(CONFIG_CAVIUM_CN63XXP1) += -Wa,-mfix-cn63xxp1 cflags-$(CONFIG_CPU_R4000_WORKAROUNDS) += $(call cc-option,-mfix-r4000,) cflags-$(CONFIG_CPU_R4400_WORKAROUNDS) += $(call cc-option,-mfix-r4400,) cflags-$(CONFIG_CPU_DADDI_WORKAROUNDS) += $(call cc-option,-mno-daddi,) ifdef CONFIG_CPU_SB1 ifdef CONFIG_SB1_PASS_1_WORKAROUNDS KBUILD_AFLAGS_MODULE += -msb1-pass1-workarounds KBUILD_CFLAGS_MODULE += -msb1-pass1-workarounds endif endif # # Firmware support # libs-$(CONFIG_ARC) += arch/mips/fw/arc/ libs-$(CONFIG_CFE) += arch/mips/fw/cfe/ libs-$(CONFIG_SNIPROM) += arch/mips/fw/sni/ libs-y += arch/mips/fw/lib/ # # Kernel compression # ifdef SYS_SUPPORTS_ZBOOT COMPRESSION_FNAME = vmlinuz else COMPRESSION_FNAME = vmlinux endif # # Board-dependent options and extra files # include $(srctree)/arch/mips/Kbuild.platforms cflags-y += -I$(srctree)/arch/mips/include/asm/mach-generic drivers-$(CONFIG_PCI) += arch/mips/pci/ # # Automatically detect the build format. By default we choose # the elf format according to the load address. # We can always force a build with a 64-bits symbol format by # passing 'KBUILD_SYM32=no' option to the make's command line. # ifdef CONFIG_64BIT ifndef KBUILD_SYM32 ifeq ($(shell expr $(load-y) \< 0xffffffff80000000), 0) KBUILD_SYM32 = y endif endif ifeq ($(KBUILD_SYM32)$(call cc-option-yn,-msym32), yy) cflags-y += -msym32 -DKBUILD_64BIT_SYM32 else ifeq ($(CONFIG_CPU_DADDI_WORKAROUNDS), y) $(error CONFIG_CPU_DADDI_WORKAROUNDS unsupported without -msym32) endif endif endif KBUILD_AFLAGS += $(cflags-y) KBUILD_CFLAGS += $(cflags-y) KBUILD_CPPFLAGS += -D"VMLINUX_LOAD_ADDRESS=$(load-y)" KBUILD_CPPFLAGS += -D"DATAOFFSET=$(if $(dataoffset-y),$(dataoffset-y),0)" LDFLAGS += -m $(ld-emul) ifdef CONFIG_MIPS CHECKFLAGS += $(shell $(CC) $(KBUILD_CFLAGS) -dM -E -xc /dev/null | \ egrep -vw '__GNUC_(|MINOR_|PATCHLEVEL_)_' | \ sed -e "s/^\#define /-D'/" -e "s/ /'='/" -e "s/$$/'/") ifdef CONFIG_64BIT CHECKFLAGS += -m64 endif endif OBJCOPYFLAGS += --remove-section=.reginfo head-y := arch/mips/kernel/head.o arch/mips/kernel/init_task.o libs-y += arch/mips/lib/ # See arch/mips/Kbuild for content of core part of the kernel core-y += arch/mips/ drivers-$(CONFIG_OPROFILE) += arch/mips/oprofile/ # suspend and hibernation support drivers-$(CONFIG_PM) += arch/mips/power/ ifdef CONFIG_LASAT rom.bin rom.sw: vmlinux $(Q)$(MAKE) $(build)=arch/mips/lasat/image $@ endif # # Some machines like the Indy need 32-bit ELF binaries for booting purposes. # Other need ECOFF, so we build a 32-bit ELF binary for them which we then # convert to ECOFF using elf2ecoff. # vmlinux.32: vmlinux $(OBJCOPY) -O $(32bit-bfd) $(OBJCOPYFLAGS) $< $@ #obj-$(CONFIG_KPROBES) += kprobes.o # # The 64-bit ELF tools are pretty broken so at this time we generate 64-bit # ELF files from 32-bit files by conversion. # vmlinux.64: vmlinux $(OBJCOPY) -O $(64bit-bfd) $(OBJCOPYFLAGS) $< $@ all: $(all-y) # boot vmlinux.bin vmlinux.ecoff vmlinux.srec: $(vmlinux-32) FORCE $(Q)$(MAKE) $(build)=arch/mips/boot VMLINUX=$(vmlinux-32) arch/mips/boot/$@ # boot/compressed vmlinuz vmlinuz.bin vmlinuz.ecoff vmlinuz.srec: $(vmlinux-32) FORCE $(Q)$(MAKE) $(build)=arch/mips/boot/compressed \ VMLINUX_LOAD_ADDRESS=$(load-y) 32bit-bfd=$(32bit-bfd) $@ CLEAN_FILES += vmlinux.32 vmlinux.64 archprepare: ifdef CONFIG_MIPS32_N32 @echo ' Checking missing-syscalls for N32' $(Q)$(MAKE) $(build)=. missing-syscalls missing_syscalls_flags="-mabi=n32" endif ifdef CONFIG_MIPS32_O32 @echo ' 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/lasat 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 ' 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 echo ' These will be default as appropriate for a configured platform.' endef |