1 # This file is included by the global makefile <<
2 # architecture-specific flags and dependencies <<
3 # 1 #
4 # This file is subject to the terms and condit 2 # This file is subject to the terms and conditions of the GNU General Public
5 # License. See the file "COPYING" in the main 3 # License. See the file "COPYING" in the main directory of this archive
6 # for more details. 4 # for more details.
7 # 5 #
8 # Copyright (C) 1994 by Linus Torvalds !! 6 # Copyright (C) 1994, 95, 96, 2003 by Ralf Baechle
9 # Changes for PPC by Gary Thomas !! 7 # DECStation modifications by Paul M. Antoine, 1996
10 # Rewritten by Cort Dougan and Paul Mackerras !! 8 # Copyright (C) 2002, 2003, 2004 Maciej W. Rozycki
>> 9 #
>> 10 # This file is included by the global makefile so that you can add your own
>> 11 # architecture-specific flags and dependencies.
>> 12 #
>> 13
>> 14 archscripts: scripts_basic
>> 15 $(Q)$(MAKE) $(build)=arch/mips/tools elf-entry
>> 16 ifeq ($(CONFIG_CPU_LOONGSON3_WORKAROUNDS),y)
>> 17 $(Q)$(MAKE) $(build)=arch/mips/tools loongson3-llsc-check
>> 18 endif
>> 19 $(Q)$(MAKE) $(build)=arch/mips/boot/tools relocs
>> 20
>> 21 KBUILD_DEFCONFIG := 32r2el_defconfig
>> 22 KBUILD_DTBS := dtbs
>> 23
>> 24 #
>> 25 # Select the object file format to substitute into the linker script.
11 # 26 #
>> 27 ifdef CONFIG_CPU_LITTLE_ENDIAN
>> 28 32bit-tool-archpref = mipsel
>> 29 64bit-tool-archpref = mips64el
>> 30 32bit-bfd = elf32-tradlittlemips
>> 31 64bit-bfd = elf64-tradlittlemips
>> 32 32bit-emul = elf32ltsmip
>> 33 64bit-emul = elf64ltsmip
>> 34 else
>> 35 32bit-tool-archpref = mips
>> 36 64bit-tool-archpref = mips64
>> 37 32bit-bfd = elf32-tradbigmips
>> 38 64bit-bfd = elf64-tradbigmips
>> 39 32bit-emul = elf32btsmip
>> 40 64bit-emul = elf64btsmip
>> 41 endif
>> 42
>> 43 ifdef CONFIG_32BIT
>> 44 tool-archpref = $(32bit-tool-archpref)
>> 45 UTS_MACHINE := mips
>> 46 endif
>> 47 ifdef CONFIG_64BIT
>> 48 tool-archpref = $(64bit-tool-archpref)
>> 49 UTS_MACHINE := mips64
>> 50 endif
12 51
13 ifdef cross_compiling 52 ifdef cross_compiling
14 ifeq ($(CROSS_COMPILE),) 53 ifeq ($(CROSS_COMPILE),)
15 # Auto detect cross compiler prefix. !! 54 CROSS_COMPILE := $(call cc-cross-prefix, $(tool-archpref)-linux- $(tool-archpref)-linux-gnu- $(tool-archpref)-unknown-linux-gnu-)
16 # Look for: (powerpc(64(le)?)?)(-unknown)? <<
17 CC_ARCHES := powerpc powerpc64 powerpc64le <<
18 CC_SUFFIXES := linux linux-gnu unknown-lin <<
19 CROSS_COMPILE := $(call cc-cross-prefix, $ <<
20 $(foreach s,$(CC_SUFFIX <<
21 endif 55 endif
22 endif 56 endif
23 57
24 HAS_BIARCH := $(call cc-option-yn, -m32) !! 58 ifdef CONFIG_FUNCTION_GRAPH_TRACER
>> 59 ifndef KBUILD_MCOUNT_RA_ADDRESS
>> 60 ifeq ($(call cc-option-yn,-mmcount-ra-address), y)
>> 61 cflags-y += -mmcount-ra-address -DKBUILD_MCOUNT_RA_ADDRESS
>> 62 endif
>> 63 endif
>> 64 endif
>> 65 cflags-y += $(call cc-option, -mno-check-zero-division)
25 66
26 # Set default 32 bits cross compilers for vdso !! 67 ifdef CONFIG_32BIT
27 CROSS32_COMPILE ?= !! 68 ld-emul = $(32bit-emul)
>> 69 vmlinux-32 = vmlinux
>> 70 vmlinux-64 = vmlinux.64
28 71
29 # If we're on a ppc/ppc64/ppc64le machine use !! 72 cflags-y += -mabi=32
30 # ppc64le_defconfig because we have nothing be !! 73 endif
31 uname := $(shell uname -m) <<
32 KBUILD_DEFCONFIG := $(if $(filter ppc%,$(uname <<
33 74
34 new_nm := $(shell if $(NM) --help 2>&1 | grep !! 75 ifdef CONFIG_64BIT
>> 76 ld-emul = $(64bit-emul)
>> 77 vmlinux-32 = vmlinux.32
>> 78 vmlinux-64 = vmlinux
35 79
36 ifeq ($(new_nm),y) !! 80 cflags-y += -mabi=64
37 NM := $(NM) --synthetic <<
38 endif 81 endif
39 82
40 # BITS is used as extension for files which ar !! 83 all-$(CONFIG_BOOT_ELF32) := $(vmlinux-32)
41 # and a 64 bit version to simplify shared Make !! 84 all-$(CONFIG_BOOT_ELF64) := $(vmlinux-64)
42 # e.g.: obj-y += foo_$(BITS).o !! 85 all-$(CONFIG_SYS_SUPPORTS_ZBOOT)+= vmlinuz
43 export BITS <<
44 86
45 ifdef CONFIG_PPC64 !! 87 #
46 BITS := 64 !! 88 # GCC uses -G 0 -mabicalls -fpic as default. We don't want PIC in the kernel
47 else !! 89 # code since it only slows down the whole thing. At some point we might make
48 BITS := 32 !! 90 # use of global pointer optimizations but their use of $28 conflicts with
49 endif !! 91 # the current pointer optimization.
>> 92 #
>> 93 # The DECStation requires an ECOFF kernel for remote booting, other MIPS
>> 94 # machines may also. Since BFD is incredibly buggy with respect to
>> 95 # crossformat linking we rely on the elf2ecoff tool for format conversion.
>> 96 #
>> 97 cflags-y += -G 0 -mno-abicalls -fno-pic -pipe
>> 98 cflags-y += -msoft-float
>> 99 LDFLAGS_vmlinux += -G 0 -static -n -nostdlib
>> 100 KBUILD_AFLAGS_MODULE += -mlong-calls
>> 101 KBUILD_CFLAGS_MODULE += -mlong-calls
50 102
51 machine-y = ppc !! 103 ifeq ($(CONFIG_RELOCATABLE),y)
52 machine-$(CONFIG_PPC64) += 64 !! 104 LDFLAGS_vmlinux += --emit-relocs
53 machine-$(CONFIG_CPU_LITTLE_ENDIAN) += le <<
54 UTS_MACHINE := $(subst $(space),,$(machine-y)) <<
55 <<
56 ifeq ($(CONFIG_PPC64)$(CONFIG_LD_IS_BFD),yy) <<
57 # Have the linker provide sfpr if possible. <<
58 # There is a corresponding test in arch/powerp <<
59 KBUILD_LDFLAGS_MODULE += --save-restore-funcs <<
60 else <<
61 KBUILD_LDFLAGS_MODULE += arch/powerpc/lib/crts <<
62 endif 105 endif
63 106
64 ifdef CONFIG_CPU_LITTLE_ENDIAN !! 107 #
65 KBUILD_CFLAGS += -mlittle-endian !! 108 # pass -msoft-float to GAS if it supports it. However on newer binutils
66 KBUILD_LDFLAGS += -EL !! 109 # (specifically newer than 2.24.51.20140728) we then also need to explicitly
67 LDEMULATION := lppc !! 110 # set ".set hardfloat" in all files which manipulate floating point registers.
68 GNUTARGET := powerpcle !! 111 #
69 MULTIPLEWORD := -mno-multiple !! 112 ifneq ($(call cc-option,$(cflags-y) -Wa$(comma)-msoft-float,),)
70 KBUILD_CFLAGS_MODULE += $(call cc-option,-mno- !! 113 cflags-y += -DGAS_HAS_SET_HARDFLOAT -Wa,-msoft-float
71 else <<
72 KBUILD_CFLAGS += $(call cc-option,-mbig-endian <<
73 KBUILD_LDFLAGS += -EB <<
74 LDEMULATION := ppc <<
75 GNUTARGET := powerpc <<
76 MULTIPLEWORD := -mmultiple <<
77 endif 114 endif
78 115
79 ifdef CONFIG_PPC64 !! 116 cflags-y += -ffreestanding
80 ifndef CONFIG_CC_IS_CLANG <<
81 cflags-$(CONFIG_PPC64_ELF_ABI_V1) += $(c <<
82 cflags-$(CONFIG_PPC64_ELF_ABI_V1) += $(c <<
83 aflags-$(CONFIG_PPC64_ELF_ABI_V1) += $(c <<
84 aflags-$(CONFIG_PPC64_ELF_ABI_V2) += -ma <<
85 endif <<
86 endif <<
87 117
88 ifndef CONFIG_CC_IS_CLANG !! 118 cflags-$(CONFIG_CPU_BIG_ENDIAN) += -EB
89 cflags-$(CONFIG_CPU_LITTLE_ENDIAN) += -mn !! 119 cflags-$(CONFIG_CPU_LITTLE_ENDIAN) += -EL
90 endif <<
91 120
92 cflags-$(CONFIG_CPU_BIG_ENDIAN) += $(c !! 121 cflags-$(CONFIG_SB1XXX_CORELIS) += $(call cc-option,-mno-sched-prolog) \
93 cflags-$(CONFIG_CPU_LITTLE_ENDIAN) += -ml !! 122 -fno-omit-frame-pointer
94 aflags-$(CONFIG_CPU_BIG_ENDIAN) += $(c <<
95 aflags-$(CONFIG_CPU_LITTLE_ENDIAN) += -ml <<
96 123
97 ifeq ($(HAS_BIARCH),y) !! 124 # Some distribution-specific toolchains might pass the -fstack-check
98 KBUILD_CFLAGS += -m$(BITS) !! 125 # option during the build, which adds a simple stack-probe at the beginning
99 KBUILD_AFLAGS += -m$(BITS) !! 126 # of every function. This stack probe is to ensure that there is enough
100 KBUILD_LDFLAGS += -m elf$(BITS)$(LDEMULATION) !! 127 # stack space, else a SEGV is generated. This is not desirable for MIPS
101 endif !! 128 # as kernel stacks are small, placed in unmapped virtual memory, and do not
>> 129 # grow when overflowed. Especially on SGI IP27 platforms, this check will
>> 130 # lead to a NULL pointer dereference in _raw_spin_lock_irq.
>> 131 #
>> 132 # In disassembly, this stack probe appears at the top of a function as:
>> 133 # sd zero,<offset>(sp)
>> 134 # Where <offset> is a negative value.
>> 135 #
>> 136 cflags-y += -fno-stack-check
102 137
103 cflags-$(CONFIG_STACKPROTECTOR) += -mstack-pro !! 138 # binutils from v2.35 when built with --enable-mips-fix-loongson3-llsc=yes,
104 ifdef CONFIG_PPC64 !! 139 # supports an -mfix-loongson3-llsc flag which emits a sync prior to each ll
105 cflags-$(CONFIG_STACKPROTECTOR) += -mstack-pro !! 140 # instruction to work around a CPU bug (see __SYNC_loongson3_war in asm/sync.h
106 else !! 141 # for a description).
107 cflags-$(CONFIG_STACKPROTECTOR) += -mstack-pro !! 142 #
108 endif !! 143 # We disable this in order to prevent the assembler meddling with the
>> 144 # instruction that labels refer to, ie. if we label an ll instruction:
>> 145 #
>> 146 # 1: ll v0, 0(a0)
>> 147 #
>> 148 # ...then with the assembler fix applied the label may actually point at a sync
>> 149 # instruction inserted by the assembler, and if we were using the label in an
>> 150 # exception table the table would no longer contain the address of the ll
>> 151 # instruction.
>> 152 #
>> 153 # Avoid this by explicitly disabling that assembler behaviour.
>> 154 #
>> 155 cflags-y += $(call cc-option,-Wa$(comma)-mno-fix-loongson3-llsc,)
109 156
110 LDFLAGS_vmlinux-y := -Bstatic !! 157 #
111 LDFLAGS_vmlinux-$(CONFIG_RELOCATABLE) := -pie !! 158 # CPU-dependent compiler/assembler options for optimization.
112 LDFLAGS_vmlinux-$(CONFIG_RELOCATABLE) += -z no !! 159 #
113 LDFLAGS_vmlinux := $(LDFLAGS_vmlinux-y) !! 160 cflags-$(CONFIG_CPU_R3000) += -march=r3000
114 !! 161 cflags-$(CONFIG_CPU_R4300) += -march=r4300 -Wa,--trap
115 ifdef CONFIG_PPC64 !! 162 cflags-$(CONFIG_CPU_R4X00) += -march=r4600 -Wa,--trap
116 ifndef CONFIG_PPC_KERNEL_PCREL !! 163 cflags-$(CONFIG_CPU_TX49XX) += -march=r4600 -Wa,--trap
117 # -mcmodel=medium breaks modules becau !! 164 cflags-$(CONFIG_CPU_MIPS32_R1) += -march=mips32 -Wa,--trap
118 # the TOC pointer to create pointers w !! 165 cflags-$(CONFIG_CPU_MIPS32_R2) += -march=mips32r2 -Wa,--trap
119 # percpu data area are created by this !! 166 cflags-$(CONFIG_CPU_MIPS32_R5) += -march=mips32r5 -Wa,--trap -modd-spreg
120 # !! 167 cflags-$(CONFIG_CPU_MIPS32_R6) += -march=mips32r6 -Wa,--trap -modd-spreg
121 # The kernel module loader relocates t !! 168 cflags-$(CONFIG_CPU_MIPS64_R1) += -march=mips64 -Wa,--trap
122 # original location (starting with 0xd !! 169 cflags-$(CONFIG_CPU_MIPS64_R2) += -march=mips64r2 -Wa,--trap
123 # kernel percpu data space (starting w !! 170 cflags-$(CONFIG_CPU_MIPS64_R5) += -march=mips64r5 -Wa,--trap
124 # 64bit relocation for this to work, h !! 171 cflags-$(CONFIG_CPU_MIPS64_R6) += -march=mips64r6 -Wa,--trap
125 KBUILD_CFLAGS_MODULE += -mcmodel=large !! 172 cflags-$(CONFIG_CPU_P5600) += -march=p5600 -Wa,--trap -modd-spreg
126 endif !! 173 cflags-$(CONFIG_CPU_R5000) += -march=r5000 -Wa,--trap
>> 174 cflags-$(CONFIG_CPU_R5500) += $(call cc-option,-march=r5500,-march=r5000) \
>> 175 -Wa,--trap
>> 176 cflags-$(CONFIG_CPU_NEVADA) += $(call cc-option,-march=rm5200,-march=r5000) \
>> 177 -Wa,--trap
>> 178 cflags-$(CONFIG_CPU_RM7000) += $(call cc-option,-march=rm7000,-march=r5000) \
>> 179 -Wa,--trap
>> 180 cflags-$(CONFIG_CPU_SB1) += $(call cc-option,-march=sb1,-march=r5000) \
>> 181 -Wa,--trap
>> 182 cflags-$(CONFIG_CPU_SB1) += $(call cc-option,-mno-mdmx)
>> 183 cflags-$(CONFIG_CPU_SB1) += $(call cc-option,-mno-mips3d)
>> 184 cflags-$(CONFIG_CPU_R10000) += $(call cc-option,-march=r10000,-march=r8000) \
>> 185 -Wa,--trap
>> 186 cflags-$(CONFIG_CPU_CAVIUM_OCTEON) += $(call cc-option,-march=octeon) -Wa,--trap
>> 187 ifeq (,$(findstring march=octeon, $(cflags-$(CONFIG_CPU_CAVIUM_OCTEON))))
>> 188 cflags-$(CONFIG_CPU_CAVIUM_OCTEON) += -Wa,-march=octeon
>> 189 endif
>> 190 cflags-$(CONFIG_CAVIUM_CN63XXP1) += -Wa,-mfix-cn63xxp1
>> 191 cflags-$(CONFIG_CPU_BMIPS) += -march=mips32 -Wa,-mips32 -Wa,--trap
>> 192
>> 193 cflags-$(CONFIG_CPU_LOONGSON2E) += $(call cc-option,-march=loongson2e) -Wa,--trap
>> 194 cflags-$(CONFIG_CPU_LOONGSON2F) += $(call cc-option,-march=loongson2f) -Wa,--trap
>> 195 cflags-$(CONFIG_CPU_LOONGSON64) += $(call cc-option,-march=loongson3a,-march=mips64r2) -Wa,--trap
>> 196 # Some -march= flags enable MMI instructions, and GCC complains about that
>> 197 # support being enabled alongside -msoft-float. Thus explicitly disable MMI.
>> 198 cflags-$(CONFIG_CPU_LOONGSON2EF) += $(call cc-option,-mno-loongson-mmi)
>> 199 cflags-$(CONFIG_CPU_LOONGSON64) += $(call cc-option,-mno-loongson-mmi)
>> 200
>> 201 cflags-$(CONFIG_CPU_R4000_WORKAROUNDS) += $(call cc-option,-mfix-r4000,)
>> 202 cflags-$(CONFIG_CPU_R4400_WORKAROUNDS) += $(call cc-option,-mfix-r4400,)
>> 203 cflags-$(CONFIG_CPU_DADDI_WORKAROUNDS) += $(call cc-option,-mno-daddi,)
>> 204 ifdef CONFIG_CPU_LOONGSON2F_WORKAROUNDS
>> 205 cflags-$(CONFIG_CPU_NOP_WORKAROUNDS) += -Wa,-mfix-loongson2f-nop
>> 206 cflags-$(CONFIG_CPU_JUMP_WORKAROUNDS) += -Wa,-mfix-loongson2f-jump
127 endif 207 endif
128 208
129 CFLAGS-$(CONFIG_PPC64) := $(call cc-option,-m !! 209 #
130 ifdef CONFIG_PPC64_ELF_ABI_V2 !! 210 # Some versions of binutils, not currently mainline as of 2019/02/04, support
131 CFLAGS-$(CONFIG_PPC64) += $(call cc-option,-m !! 211 # an -mfix-loongson3-llsc flag which emits a sync prior to each ll instruction
>> 212 # to work around a CPU bug (see __SYNC_loongson3_war in asm/sync.h for a
>> 213 # description).
>> 214 #
>> 215 # We disable this in order to prevent the assembler meddling with the
>> 216 # instruction that labels refer to, ie. if we label an ll instruction:
>> 217 #
>> 218 # 1: ll v0, 0(a0)
>> 219 #
>> 220 # ...then with the assembler fix applied the label may actually point at a sync
>> 221 # instruction inserted by the assembler, and if we were using the label in an
>> 222 # exception table the table would no longer contain the address of the ll
>> 223 # instruction.
>> 224 #
>> 225 # Avoid this by explicitly disabling that assembler behaviour. If upstream
>> 226 # binutils does not merge support for the flag then we can revisit & remove
>> 227 # this later - for now it ensures vendor toolchains don't cause problems.
>> 228 #
>> 229 cflags-$(CONFIG_CPU_LOONGSON64) += $(call as-option,-Wa$(comma)-mno-fix-loongson3-llsc,)
>> 230
>> 231 # For smartmips configurations, there are hundreds of warnings due to ISA overrides
>> 232 # in assembly and header files. smartmips is only supported for MIPS32r1 onwards
>> 233 # and there is no support for 64-bit. Various '.set mips2' or '.set mips3' or
>> 234 # similar directives in the kernel will spam the build logs with the following warnings:
>> 235 # Warning: the `smartmips' extension requires MIPS32 revision 1 or greater
>> 236 # or
>> 237 # Warning: the 64-bit MIPS architecture does not support the `smartmips' extension
>> 238 # Pass -Wa,--no-warn to disable all assembler warnings until the kernel code has
>> 239 # been fixed properly.
>> 240 mips-cflags := $(cflags-y)
>> 241 ifeq ($(CONFIG_CPU_HAS_SMARTMIPS),y)
>> 242 smartmips-ase := $(call cc-option-yn,$(mips-cflags) -msmartmips)
>> 243 cflags-$(smartmips-ase) += -msmartmips -Wa,--no-warn
>> 244 endif
>> 245 ifeq ($(CONFIG_CPU_MICROMIPS),y)
>> 246 micromips-ase := $(call cc-option-yn,$(mips-cflags) -mmicromips)
>> 247 cflags-$(micromips-ase) += -mmicromips
>> 248 endif
>> 249 ifeq ($(CONFIG_CPU_HAS_MSA),y)
>> 250 toolchain-msa := $(call cc-option-yn,$(mips-cflags) -mhard-float -mfp64 -Wa$(comma)-mmsa)
>> 251 cflags-$(toolchain-msa) += -DTOOLCHAIN_SUPPORTS_MSA
>> 252 endif
>> 253 toolchain-virt := $(call cc-option-yn,$(mips-cflags) -mvirt)
>> 254 cflags-$(toolchain-virt) += -DTOOLCHAIN_SUPPORTS_VIRT
>> 255 # For -mmicromips, use -Wa,-fatal-warnings to catch unsupported -mxpa which
>> 256 # only warns
>> 257 xpa-cflags-y := $(mips-cflags)
>> 258 xpa-cflags-$(micromips-ase) += -mmicromips -Wa$(comma)-fatal-warnings
>> 259 toolchain-xpa := $(call cc-option-yn,$(xpa-cflags-y) -mxpa)
>> 260 cflags-$(toolchain-xpa) += -DTOOLCHAIN_SUPPORTS_XPA
>> 261 toolchain-crc := $(call cc-option-yn,$(mips-cflags) -Wa$(comma)-mcrc)
>> 262 cflags-$(toolchain-crc) += -DTOOLCHAIN_SUPPORTS_CRC
>> 263 toolchain-dsp := $(call cc-option-yn,$(mips-cflags) -Wa$(comma)-mdsp)
>> 264 cflags-$(toolchain-dsp) += -DTOOLCHAIN_SUPPORTS_DSP
>> 265 toolchain-ginv := $(call cc-option-yn,$(mips-cflags) -Wa$(comma)-mginv)
>> 266 cflags-$(toolchain-ginv) += -DTOOLCHAIN_SUPPORTS_GINV
>> 267
>> 268 #
>> 269 # Firmware support
>> 270 #
>> 271 libs-$(CONFIG_FW_ARC) += arch/mips/fw/arc/
>> 272 libs-$(CONFIG_FW_CFE) += arch/mips/fw/cfe/
>> 273 libs-$(CONFIG_FW_SNIPROM) += arch/mips/fw/sni/
>> 274 libs-y += arch/mips/fw/lib/
>> 275
>> 276 #
>> 277 # Kernel compression
>> 278 #
>> 279 ifdef CONFIG_SYS_SUPPORTS_ZBOOT
>> 280 COMPRESSION_FNAME = vmlinuz
132 else 281 else
133 ifndef CONFIG_CC_IS_CLANG !! 282 COMPRESSION_FNAME = vmlinux
134 CFLAGS-$(CONFIG_PPC64) += $(call cc-option,-m <<
135 CFLAGS-$(CONFIG_PPC64) += $(call cc-option,-m <<
136 endif <<
137 endif 283 endif
138 CFLAGS-$(CONFIG_PPC64) += -mcmodel=medium <<
139 CFLAGS-$(CONFIG_PPC64) += $(call cc-option,-m <<
140 CFLAGS-$(CONFIG_PPC64) += $(call cc-option,-m <<
141 284
142 # Clang unconditionally reserves r2 on ppc32 a !! 285 #
143 # https://llvm.org/pr39555 !! 286 # Board-dependent options and extra files
144 CFLAGS-$(CONFIG_PPC32) := $(call cc-option, - !! 287 #
>> 288 include $(srctree)/arch/mips/Kbuild.platforms
>> 289
>> 290 ifdef CONFIG_PHYSICAL_START
>> 291 load-y = $(CONFIG_PHYSICAL_START)
>> 292 endif
145 293
146 # Clang doesn't support -mmultiple / -mno-mult !! 294 entry-y = $(shell $(objtree)/arch/mips/tools/elf-entry vmlinux)
147 # https://llvm.org/pr39556 !! 295 cflags-y += -I$(srctree)/arch/mips/include/asm/mach-generic
148 CFLAGS-$(CONFIG_PPC32) += $(call cc-option, $ !! 296 drivers-$(CONFIG_PCI) += arch/mips/pci/
149 297
150 CFLAGS-$(CONFIG_PPC32) += $(call cc-option,-m !! 298 #
>> 299 # Automatically detect the build format. By default we choose
>> 300 # the elf format according to the load address.
>> 301 # We can always force a build with a 64-bits symbol format by
>> 302 # passing 'KBUILD_SYM32=no' option to the make's command line.
>> 303 #
>> 304 ifdef CONFIG_64BIT
>> 305 ifndef KBUILD_SYM32
>> 306 ifeq ($(shell expr $(load-y) \< 0xffffffff80000000), 0)
>> 307 KBUILD_SYM32 = y
>> 308 endif
>> 309 endif
151 310
152 CC_FLAGS_FPU := $(call cc-option,-m !! 311 ifeq ($(KBUILD_SYM32), y)
153 CC_FLAGS_NO_FPU := $(call cc-option,-m !! 312 cflags-$(KBUILD_SYM32) += -msym32 -DKBUILD_64BIT_SYM32
>> 313 else
>> 314 ifeq ($(CONFIG_CPU_DADDI_WORKAROUNDS), y)
>> 315 $(error CONFIG_CPU_DADDI_WORKAROUNDS unsupported without -msym32)
>> 316 endif
>> 317 endif
>> 318 endif
154 319
155 ifdef CONFIG_FUNCTION_TRACER !! 320 # When linking a 32-bit executable the LLVM linker cannot cope with a
156 ifdef CONFIG_ARCH_USING_PATCHABLE_FUNCTION_ENT !! 321 # 32-bit load address that has been sign-extended to 64 bits. Simply
157 KBUILD_CPPFLAGS += -DCC_USING_PATCHABLE_FUNCTI !! 322 # remove the upper 32 bits then, as it is safe to do so with other
158 CC_FLAGS_FTRACE := -fpatchable-function-entry= !! 323 # linkers.
>> 324 ifdef CONFIG_64BIT
>> 325 load-ld = $(load-y)
159 else 326 else
160 CC_FLAGS_FTRACE := -pg !! 327 load-ld = $(subst 0xffffffff,0x,$(load-y))
161 ifdef CONFIG_MPROFILE_KERNEL <<
162 CC_FLAGS_FTRACE += -mprofile-kernel <<
163 endif 328 endif
>> 329
>> 330 KBUILD_AFLAGS += $(cflags-y)
>> 331 KBUILD_CFLAGS += $(cflags-y)
>> 332 KBUILD_CPPFLAGS += -DVMLINUX_LOAD_ADDRESS=$(load-y) -DLINKER_LOAD_ADDRESS=$(load-ld)
>> 333 KBUILD_CPPFLAGS += -DDATAOFFSET=$(if $(dataoffset-y),$(dataoffset-y),0)
>> 334
>> 335 bootvars-y = VMLINUX_LOAD_ADDRESS=$(load-y) \
>> 336 LINKER_LOAD_ADDRESS=$(load-ld) \
>> 337 VMLINUX_ENTRY_ADDRESS=$(entry-y) \
>> 338 PLATFORM="$(platform-y)" \
>> 339 ITS_INPUTS="$(its-y)"
>> 340 ifdef CONFIG_32BIT
>> 341 bootvars-y += ADDR_BITS=32
164 endif 342 endif
>> 343 ifdef CONFIG_64BIT
>> 344 bootvars-y += ADDR_BITS=64
165 endif 345 endif
166 346
167 CFLAGS-$(CONFIG_TARGET_CPU_BOOL) += -mcpu=$(CO !! 347 # This is required to get dwarf unwinding tables into .debug_frame
168 AFLAGS-$(CONFIG_TARGET_CPU_BOOL) += -mcpu=$(CO !! 348 # instead of .eh_frame so we don't discard them.
>> 349 KBUILD_CFLAGS += -fno-asynchronous-unwind-tables
169 350
170 CFLAGS-y += $(CONFIG_TUNE_CPU) !! 351 KBUILD_LDFLAGS += -m $(ld-emul)
171 352
172 asinstr := $(call as-instr,lis 9$(comma)foo@hi !! 353 ifdef need-compiler
>> 354 CHECKFLAGS += $(shell $(CC) $(KBUILD_CFLAGS) -dM -E -x c /dev/null | \
>> 355 grep -E -vw '__GNUC_(MINOR_|PATCHLEVEL_)?_' | \
>> 356 sed -e "s/^\#define /-D'/" -e "s/ /'='/" -e "s/$$/'/" -e 's/\$$/&&/g')
>> 357 endif
>> 358
>> 359 OBJCOPYFLAGS += --remove-section=.reginfo
>> 360
>> 361 libs-y += arch/mips/lib/
>> 362 libs-$(CONFIG_MIPS_FP_SUPPORT) += arch/mips/math-emu/
>> 363
>> 364 drivers-y += arch/mips/crypto/
>> 365
>> 366 # suspend and hibernation support
>> 367 drivers-$(CONFIG_PM) += arch/mips/power/
>> 368
>> 369 # boot image targets (arch/mips/boot/)
>> 370 boot-y := vmlinux.bin
>> 371 boot-y += vmlinux.ecoff
>> 372 boot-y += vmlinux.srec
>> 373 boot-y += uImage
>> 374 boot-y += uImage.bin
>> 375 boot-y += uImage.bz2
>> 376 boot-y += uImage.gz
>> 377 boot-y += uImage.lzma
>> 378 boot-y += uImage.lzo
>> 379 boot-y += vmlinux.itb
>> 380 boot-y += vmlinux.gz.itb
>> 381 boot-y += vmlinux.bz2.itb
>> 382 boot-y += vmlinux.lzma.itb
>> 383 boot-y += vmlinux.lzo.itb
>> 384
>> 385 # compressed boot image targets (arch/mips/boot/compressed/)
>> 386 bootz-y := vmlinuz
>> 387 bootz-y += vmlinuz.bin
>> 388 bootz-y += vmlinuz.ecoff
>> 389 bootz-y += vmlinuz.srec
>> 390 bootz-y += uzImage.bin
>> 391 bootz-y += vmlinuz.itb
173 392
174 KBUILD_CPPFLAGS += -I $(srctree)/arch/powerpc !! 393 #
175 KBUILD_AFLAGS += $(AFLAGS-y) !! 394 # Some machines like the Indy need 32-bit ELF binaries for booting purposes.
176 KBUILD_CFLAGS += $(CC_FLAGS_NO_FPU) !! 395 # Other need ECOFF, so we build a 32-bit ELF binary for them which we then
177 KBUILD_CFLAGS += $(CFLAGS-y) !! 396 # convert to ECOFF using elf2ecoff.
178 CPP = $(CC) -E $(KBUILD_CFLAGS) !! 397 #
>> 398 quiet_cmd_32 = OBJCOPY $@
>> 399 cmd_32 = $(OBJCOPY) -O $(32bit-bfd) $(OBJCOPYFLAGS) $< $@
>> 400 vmlinux.32: vmlinux
>> 401 $(call cmd,32)
179 402
180 CHECKFLAGS += -m$(BITS) -D__powerpc__ -D_ !! 403 #
181 ifdef CONFIG_CPU_BIG_ENDIAN !! 404 # The 64-bit ELF tools are pretty broken so at this time we generate 64-bit
182 CHECKFLAGS += -D__BIG_ENDIAN__ !! 405 # ELF files from 32-bit files by conversion.
>> 406 #
>> 407 quiet_cmd_64 = OBJCOPY $@
>> 408 cmd_64 = $(OBJCOPY) -O $(64bit-bfd) $(OBJCOPYFLAGS) $< $@
>> 409 vmlinux.64: vmlinux
>> 410 $(call cmd,64)
>> 411
>> 412 all: $(all-y) $(KBUILD_DTBS)
>> 413
>> 414 # boot
>> 415 $(boot-y): $(vmlinux-32) FORCE
>> 416 $(Q)$(MAKE) $(build)=arch/mips/boot VMLINUX=$(vmlinux-32) \
>> 417 $(bootvars-y) arch/mips/boot/$@
>> 418
>> 419 ifdef CONFIG_SYS_SUPPORTS_ZBOOT
>> 420 # boot/compressed
>> 421 $(bootz-y): $(vmlinux-32) FORCE
>> 422 $(Q)$(MAKE) $(build)=arch/mips/boot/compressed \
>> 423 $(bootvars-y) 32bit-bfd=$(32bit-bfd) arch/mips/boot/$@
183 else 424 else
184 CHECKFLAGS += -D__LITTLE_ENDIAN__ !! 425 vmlinuz: FORCE
>> 426 @echo ' CONFIG_SYS_SUPPORTS_ZBOOT is not enabled'
>> 427 /bin/false
185 endif 428 endif
186 429
187 ifdef CONFIG_476FPE_ERR46 <<
188 KBUILD_LDFLAGS_MODULE += --ppc476-work <<
189 -T $(srctree)/arch/powerpc/pla <<
190 endif <<
191 430
192 # No prefix or pcrel !! 431 CLEAN_FILES += vmlinux.32 vmlinux.64
193 ifdef CONFIG_PPC_KERNEL_PREFIXED !! 432
194 KBUILD_CFLAGS += $(call cc-option,-mprefixed) !! 433 # device-trees
195 else !! 434 core-y += arch/mips/boot/dts/
196 KBUILD_CFLAGS += $(call cc-option,-mno-prefixe !! 435
>> 436 archprepare:
>> 437 ifdef CONFIG_MIPS32_N32
>> 438 @$(kecho) ' Checking missing-syscalls for N32'
>> 439 $(Q)$(MAKE) $(build)=. missing-syscalls missing_syscalls_flags="-mabi=n32"
197 endif 440 endif
198 ifdef CONFIG_PPC_KERNEL_PCREL !! 441 ifdef CONFIG_MIPS32_O32
199 KBUILD_CFLAGS += $(call cc-option,-mpcrel) !! 442 @$(kecho) ' Checking missing-syscalls for O32'
200 else !! 443 $(Q)$(MAKE) $(build)=. missing-syscalls missing_syscalls_flags="-mabi=32"
201 KBUILD_CFLAGS += $(call cc-option,-mno-pcrel) !! 444 endif
>> 445
>> 446 install:
>> 447 $(Q)install -D -m 755 vmlinux $(INSTALL_PATH)/vmlinux-$(KERNELRELEASE)
>> 448 ifdef CONFIG_SYS_SUPPORTS_ZBOOT
>> 449 $(Q)install -D -m 755 vmlinuz $(INSTALL_PATH)/vmlinuz-$(KERNELRELEASE)
202 endif 450 endif
>> 451 $(Q)install -D -m 644 .config $(INSTALL_PATH)/config-$(KERNELRELEASE)
>> 452 $(Q)install -D -m 644 System.map $(INSTALL_PATH)/System.map-$(KERNELRELEASE)
203 453
204 # No AltiVec or VSX or MMA instructions when b !! 454 archheaders:
205 KBUILD_CFLAGS += $(call cc-option,-mno-altivec !! 455 $(Q)$(MAKE) $(build)=arch/mips/kernel/syscalls all
206 KBUILD_CFLAGS += $(call cc-option,-mno-vsx) <<
207 KBUILD_CFLAGS += $(call cc-option,-mno-mma) <<
208 456
209 # No SPE instruction when building kernel !! 457 define archhelp
210 # (We use all available options to help semi-b !! 458 echo ' install - install kernel into $(INSTALL_PATH)'
211 KBUILD_CFLAGS += $(call cc-option,-mno-spe) !! 459 echo ' vmlinux.ecoff - ECOFF boot image'
212 KBUILD_CFLAGS += $(call cc-option,-mspe=no) !! 460 echo ' vmlinux.bin - Raw binary boot image'
>> 461 echo ' vmlinux.srec - SREC boot image'
>> 462 echo ' vmlinux.32 - 64-bit boot image wrapped in 32bits (IP22/IP32)'
>> 463 echo ' vmlinuz - Compressed boot(zboot) image'
>> 464 echo ' vmlinuz.ecoff - ECOFF zboot image'
>> 465 echo ' vmlinuz.bin - Raw binary zboot image'
>> 466 echo ' vmlinuz.srec - SREC zboot image'
>> 467 echo ' uImage - U-Boot image'
>> 468 echo ' uImage.bin - U-Boot image (uncompressed)'
>> 469 echo ' uImage.bz2 - U-Boot image (bz2)'
>> 470 echo ' uImage.gz - U-Boot image (gzip)'
>> 471 echo ' uImage.lzma - U-Boot image (lzma)'
>> 472 echo ' uImage.lzo - U-Boot image (lzo)'
>> 473 echo ' uzImage.bin - U-Boot image (self-extracting)'
>> 474 echo
>> 475 echo ' These will be default as appropriate for a configured platform.'
>> 476 echo
>> 477 echo ' If you are targeting a system supported by generic kernels you may'
>> 478 echo ' configure the kernel for a given architecture target like so:'
>> 479 echo
>> 480 echo ' {micro32,32,64}{r1,r2,r6}{el,}_defconfig <BOARDS="list of boards">'
>> 481 echo
>> 482 echo ' Where BOARDS is some subset of the following:'
>> 483 for board in $(sort $(BOARDS)); do echo " $${board}"; done
>> 484 echo
>> 485 echo ' Specifically the following generic default configurations are'
>> 486 echo ' supported:'
>> 487 echo
>> 488 $(foreach cfg,$(generic_defconfigs),
>> 489 printf " %-24s - Build generic kernel for $(call describe_generic_defconfig,$(cfg))\n" $(cfg);)
>> 490 echo
>> 491 echo ' The following legacy default configurations have been converted to'
>> 492 echo ' generic and can still be used:'
>> 493 echo
>> 494 $(foreach cfg,$(sort $(legacy_defconfigs)),
>> 495 printf " %-24s - Build $($(cfg)-y)\n" $(cfg);)
>> 496 echo
>> 497 echo ' Otherwise, the following default configurations are available:'
>> 498 endef
213 499
214 # Don't emit .eh_frame since we have no use fo !! 500 generic_config_dir = $(srctree)/arch/$(ARCH)/configs/generic
215 KBUILD_CFLAGS += -fno-asynchronous-unwind-tabl !! 501 generic_defconfigs :=
>> 502
>> 503 #
>> 504 # If the user generates a generic kernel configuration without specifying a
>> 505 # list of boards to include the config fragments for, default to including all
>> 506 # available board config fragments.
>> 507 #
>> 508 ifeq ($(BOARDS),)
>> 509 BOARDS = $(patsubst board-%.config,%,$(notdir $(wildcard $(generic_config_dir)/board-*.config)))
>> 510 endif
216 511
217 # Never use string load/store instructions as !! 512 #
218 # often slow when they are implemented at all !! 513 # Generic kernel configurations which merge generic_defconfig with the
219 KBUILD_CFLAGS += $(call cc-option,-m !! 514 # appropriate config fragments from arch/mips/configs/generic/, resulting in
220 !! 515 # the ability to easily configure the kernel for a given architecture,
221 KBUILD_AFLAGS += $(aflags-y) !! 516 # endianness & set of boards without duplicating the needed configuration in
222 KBUILD_CFLAGS += $(cflags-y) !! 517 # hundreds of defconfig files.
223 !! 518 #
224 # Default to zImage, override when needed !! 519 define gen_generic_defconfigs
225 all: zImage !! 520 $(foreach bits,$(1),$(foreach rev,$(2),$(foreach endian,$(3),
226 !! 521 target := $(bits)$(rev)$(filter el,$(endian))_defconfig
227 # With make 3.82 we cannot mix normal and wild !! 522 generic_defconfigs += $$(target)
228 BOOT_TARGETS1 := zImage zImage.initrd uImage !! 523 $$(target): $(generic_config_dir)/$(bits)$(rev).config
229 BOOT_TARGETS2 := zImage% dtbImage% treeImage.% !! 524 $$(target): $(generic_config_dir)/$(endian).config
230 !! 525 )))
231 PHONY += $(BOOT_TARGETS1) $(BOOT_TARGETS2) !! 526 endef
232 <<
233 boot := arch/powerpc/boot <<
234 <<
235 $(BOOT_TARGETS1): vmlinux <<
236 $(Q)$(MAKE) $(build)=$(boot) $(patsubs <<
237 $(BOOT_TARGETS2): vmlinux <<
238 $(Q)$(MAKE) $(build)=$(boot) $(patsubs <<
239 <<
240 <<
241 PHONY += bootwrapper_install <<
242 bootwrapper_install: <<
243 $(Q)$(MAKE) $(build)=$(boot) $(patsubs <<
244 <<
245 include $(srctree)/scripts/Makefile.defconf <<
246 <<
247 generated_configs += ppc64le_defconfig <<
248 ppc64le_defconfig: <<
249 $(call merge_into_defconfig,ppc64_defc <<
250 <<
251 generated_configs += ppc64le_guest_defconfig <<
252 ppc64le_guest_defconfig: <<
253 $(call merge_into_defconfig,ppc64_defc <<
254 <<
255 generated_configs += ppc64_guest_defconfig <<
256 ppc64_guest_defconfig: <<
257 $(call merge_into_defconfig,ppc64_defc <<
258 <<
259 generated_configs += pseries_le_defconfig <<
260 pseries_le_defconfig: ppc64le_guest_defconfig <<
261 <<
262 generated_configs += pseries_defconfig <<
263 pseries_defconfig: ppc64le_guest_defconfig <<
264 <<
265 generated_configs += powernv_be_defconfig <<
266 powernv_be_defconfig: <<
267 $(call merge_into_defconfig,powernv_de <<
268 <<
269 generated_configs += mpc85xx_defconfig <<
270 mpc85xx_defconfig: <<
271 $(call merge_into_defconfig,mpc85xx_ba <<
272 85xx-32bit 85xx-hw fsl-emb-non <<
273 <<
274 generated_configs += mpc85xx_smp_defconfig <<
275 mpc85xx_smp_defconfig: <<
276 $(call merge_into_defconfig,mpc85xx_ba <<
277 85xx-32bit 85xx-smp 85xx-hw fs <<
278 <<
279 generated_configs += corenet32_smp_defconfig <<
280 corenet32_smp_defconfig: <<
281 $(call merge_into_defconfig,corenet_ba <<
282 85xx-32bit 85xx-smp 85xx-hw fs <<
283 <<
284 generated_configs += corenet64_smp_defconfig <<
285 corenet64_smp_defconfig: <<
286 $(call merge_into_defconfig,corenet_ba <<
287 85xx-64bit 85xx-smp altivec 85 <<
288 <<
289 generated_configs += mpc86xx_defconfig <<
290 mpc86xx_defconfig: <<
291 $(call merge_into_defconfig,mpc86xx_ba <<
292 86xx-hw fsl-emb-nonhw) <<
293 <<
294 generated_configs += mpc86xx_smp_defconfig <<
295 mpc86xx_smp_defconfig: <<
296 $(call merge_into_defconfig,mpc86xx_ba <<
297 86xx-smp 86xx-hw fsl-emb-nonhw <<
298 <<
299 generated_configs += ppc32_allmodconfig <<
300 ppc32_allmodconfig: <<
301 $(Q)$(MAKE) KCONFIG_ALLCONFIG=$(srctre <<
302 -f $(srctree)/Makefile allmodc <<
303 <<
304 generated_configs += ppc44x_allmodconfig <<
305 ppc44x_allmodconfig: <<
306 $(Q)$(MAKE) KCONFIG_ALLCONFIG=$(srctre <<
307 -f $(srctree)/Makefile allmodc <<
308 <<
309 generated_configs += ppc8xx_allmodconfig <<
310 ppc8xx_allmodconfig: <<
311 $(Q)$(MAKE) KCONFIG_ALLCONFIG=$(srctre <<
312 -f $(srctree)/Makefile allmodc <<
313 <<
314 generated_configs += ppc85xx_allmodconfig <<
315 ppc85xx_allmodconfig: <<
316 $(Q)$(MAKE) KCONFIG_ALLCONFIG=$(srctre <<
317 -f $(srctree)/Makefile allmodc <<
318 <<
319 generated_configs += ppc_defconfig <<
320 ppc_defconfig: <<
321 $(call merge_into_defconfig,book3s_32. <<
322 <<
323 generated_configs += ppc64le_allmodconfig <<
324 ppc64le_allmodconfig: <<
325 $(Q)$(MAKE) KCONFIG_ALLCONFIG=$(srctre <<
326 -f $(srctree)/Makefile allmodc <<
327 <<
328 generated_configs += ppc64le_allnoconfig <<
329 ppc64le_allnoconfig: <<
330 $(Q)$(MAKE) KCONFIG_ALLCONFIG=$(srctre <<
331 -f $(srctree)/Makefile allnoco <<
332 <<
333 generated_configs += ppc64_book3e_allmodconfig <<
334 ppc64_book3e_allmodconfig: <<
335 $(Q)$(MAKE) KCONFIG_ALLCONFIG=$(srctre <<
336 -f $(srctree)/Makefile allmodc <<
337 <<
338 generated_configs += ppc32_randconfig <<
339 ppc32_randconfig: <<
340 $(Q)$(MAKE) KCONFIG_ALLCONFIG=$(srctre <<
341 -f $(srctree)/Makefile randcon <<
342 <<
343 generated_configs += ppc64_randconfig <<
344 ppc64_randconfig: <<
345 $(Q)$(MAKE) KCONFIG_ALLCONFIG=$(srctre <<
346 -f $(srctree)/Makefile randcon <<
347 527
348 PHONY += $(generated_configs) !! 528 $(eval $(call gen_generic_defconfigs,32 64,r1 r2 r6,eb el))
>> 529 $(eval $(call gen_generic_defconfigs,micro32,r2,eb el))
349 530
350 define archhelp !! 531 define describe_generic_defconfig
351 echo '* zImage - Build default imag !! 532 $(subst 32r,MIPS32 r,$(subst 64r,MIPS64 r,$(subst el, little endian,$(patsubst %_defconfig,%,$(1)))))
352 echo ' zImage.* - Compressed kernel <<
353 echo ' uImage - U-Boot native imag <<
354 echo ' cuImage.<dt> - Backwards compatib <<
355 echo ' versions which do <<
356 echo ' dtbImage.<dt> - zImage with an emb <<
357 echo ' simpleImage.<dt> - Firmware independ <<
358 echo ' treeImage.<dt> - Support for older <<
359 echo ' install - Install kernel usi <<
360 echo ' (your) ~/bin/$(INS <<
361 echo ' (distribution) /sb <<
362 echo ' install to $$(INST <<
363 echo ' *_defconfig - Select default con <<
364 echo '' <<
365 echo ' Targets with <dt> embed a device tre <<
366 echo ' These targets support board with fir <<
367 echo ' support passing a device tree direct <<
368 echo ' name of a dts file from the arch/pow <<
369 echo ' (minus the .dts extension).' <<
370 echo <<
371 $(foreach cfg,$(generated_configs), <<
372 printf " %-27s - Build for %s\\n" $(cfg) <<
373 endef 533 endef
374 534
375 PHONY += install !! 535 .PHONY: $(generic_defconfigs)
376 install: !! 536 $(generic_defconfigs):
377 $(call cmd,install) !! 537 $(Q)$(CONFIG_SHELL) $(srctree)/scripts/kconfig/merge_config.sh \
>> 538 -m -O $(objtree) $(srctree)/arch/$(ARCH)/configs/generic_defconfig $^ | \
>> 539 grep -Ev '^#'
>> 540 $(Q)cp $(KCONFIG_CONFIG) $(objtree)/.config.$@
>> 541 $(Q)$(MAKE) -f $(srctree)/Makefile olddefconfig \
>> 542 KCONFIG_CONFIG=$(objtree)/.config.$@ >/dev/null
>> 543 $(Q)$(CONFIG_SHELL) $(srctree)/arch/$(ARCH)/tools/generic-board-config.sh \
>> 544 $(srctree) $(objtree) $(objtree)/.config.$@ $(KCONFIG_CONFIG) \
>> 545 "$(origin BOARDS)" $(BOARDS)
>> 546 $(Q)$(MAKE) -f $(srctree)/Makefile olddefconfig
378 547
379 ifeq ($(KBUILD_EXTMOD),) !! 548 #
380 # We need to generate vdso-offsets.h before co !! 549 # Prevent generic merge_config rules attempting to merge single fragments
381 # In order to do that, we should use the archp !! 550 #
382 # asm-offsets.h is included in some files used !! 551 $(generic_config_dir)/%.config: ;
383 # asm-offsets.h is built in prepare0, for whic <<
384 # Therefore we need to generate the header aft <<
385 # this hack. <<
386 prepare: vdso_prepare <<
387 vdso_prepare: prepare0 <<
388 $(if $(CONFIG_VDSO32),$(Q)$(MAKE) \ <<
389 $(build)=arch/powerpc/kernel/v <<
390 $(if $(CONFIG_PPC64),$(Q)$(MAKE) \ <<
391 $(build)=arch/powerpc/kernel/v <<
392 endif <<
393 552
394 archprepare: checkbin !! 553 #
>> 554 # Prevent direct use of generic_defconfig, which is intended to be used as the
>> 555 # basis of the various ISA-specific targets generated above.
>> 556 #
>> 557 .PHONY: generic_defconfig
>> 558 generic_defconfig:
>> 559 $(Q)echo "generic_defconfig is not intended for direct use, but should instead be"
>> 560 $(Q)echo "used via an ISA-specific target from the following list:"
>> 561 $(Q)echo
>> 562 $(Q)for cfg in $(generic_defconfigs); do echo " $${cfg}"; done
>> 563 $(Q)echo
>> 564 $(Q)false
395 565
396 archheaders: !! 566 #
397 $(Q)$(MAKE) $(build)=arch/powerpc/kern !! 567 # Legacy defconfig compatibility - these targets used to be real defconfigs but
>> 568 # now that the boards have been converted to use the generic kernel they are
>> 569 # wrappers around the generic rules above.
>> 570 #
>> 571 legacy_defconfigs += ocelot_defconfig
>> 572 ocelot_defconfig-y := 32r2el_defconfig BOARDS=ocelot
398 573
399 ifdef CONFIG_STACKPROTECTOR !! 574 legacy_defconfigs += sead3_defconfig
400 prepare: stack_protector_prepare !! 575 sead3_defconfig-y := 32r2el_defconfig BOARDS=sead-3
401 576
402 PHONY += stack_protector_prepare !! 577 legacy_defconfigs += sead3micro_defconfig
403 stack_protector_prepare: prepare0 !! 578 sead3micro_defconfig-y := micro32r2el_defconfig BOARDS=sead-3
404 ifdef CONFIG_PPC64 !! 579
405 $(eval KBUILD_CFLAGS += -mstack-protec !! 580 legacy_defconfigs += xilfpga_defconfig
406 else !! 581 xilfpga_defconfig-y := 32r2el_defconfig BOARDS=xilfpga
407 $(eval KBUILD_CFLAGS += -mstack-protec !! 582
408 endif !! 583 legacy_defconfigs += pistachio_defconfig
409 endif !! 584 pistachio_defconfig-y := 32r2el_defconfig BOARDS=marduk
410 585
411 PHONY += checkbin !! 586 .PHONY: $(legacy_defconfigs)
412 checkbin: !! 587 $(legacy_defconfigs):
413 @if test "x${CONFIG_FTRACE_MCOUNT_USE_ !! 588 $(Q)$(MAKE) -f $(srctree)/Makefile $($@-y)
414 "x${CONFIG_LD_IS_BFD}" = "xy" <<
415 "${CONFIG_LD_VERSION}" = "2370 <<
416 echo -n '*** binutils 2.37 dro <<
417 echo 'is unable to handle.' ; <<
418 echo '*** Please use a differe <<
419 false ; \ <<
420 fi <<
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