1 # 1 #
2 # parisc/Makefile <<
3 # <<
4 # This file is included by the global makefile <<
5 # architecture-specific flags and dependencies <<
6 # <<
7 # This file is subject to the terms and condit 2 # This file is subject to the terms and conditions of the GNU General Public
8 # License. See the file "COPYING" in the main 3 # License. See the file "COPYING" in the main directory of this archive
9 # for more details. 4 # for more details.
10 # 5 #
11 # Copyright (C) 1994 by Linus Torvalds !! 6 # Copyright (C) 1994, 95, 96, 2003 by Ralf Baechle
12 # Portions Copyright (C) 1999 The Puffin Group !! 7 # DECStation modifications by Paul M. Antoine, 1996
>> 8 # Copyright (C) 2002, 2003, 2004 Maciej W. Rozycki
13 # 9 #
14 # Modified for PA-RISC Linux by Paul Lahaie, A !! 10 # This file is included by the global makefile so that you can add your own
15 # Mike Shaver, Helge Deller and Martin K. Pete !! 11 # architecture-specific flags and dependencies.
16 # 12 #
17 13
18 boot := arch/parisc/boot !! 14 archscripts: scripts_basic
19 KBUILD_IMAGE := $(boot)/bzImage !! 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 20
21 CHECKFLAGS += -D__hppa__=1 !! 21 KBUILD_DEFCONFIG := 32r2el_defconfig
>> 22 KBUILD_DTBS := dtbs
22 23
>> 24 #
>> 25 # Select the object file format to substitute into the linker script.
>> 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
23 ifdef CONFIG_64BIT 47 ifdef CONFIG_64BIT
24 UTS_MACHINE := parisc64 !! 48 tool-archpref = $(64bit-tool-archpref)
25 CHECKFLAGS += -D__LP64__=1 !! 49 UTS_MACHINE := mips64
26 LD_BFD := elf64-hppa-linux <<
27 else # 32-bit <<
28 LD_BFD := elf32-hppa-linux <<
29 endif 50 endif
30 51
31 # select defconfig based on actual architectur !! 52 ifdef cross_compiling
32 ifeq ($(ARCH),parisc64) !! 53 ifeq ($(CROSS_COMPILE),)
33 KBUILD_DEFCONFIG := generic-64bit_defc !! 54 CROSS_COMPILE := $(call cc-cross-prefix, $(tool-archpref)-linux- $(tool-archpref)-linux-gnu- $(tool-archpref)-unknown-linux-gnu-)
34 CC_ARCHES := hppa64 !! 55 endif
35 else <<
36 KBUILD_DEFCONFIG := generic-32bit_defc <<
37 CC_ARCHES := hppa hppa2.0 hppa1.1 <<
38 endif 56 endif
39 57
40 export LD_BFD !! 58 ifdef CONFIG_FUNCTION_GRAPH_TRACER
>> 59 ifndef KBUILD_MCOUNT_RA_ADDRESS
>> 60 ifeq ($(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)
41 66
42 # Set default 32 bits cross compilers for vdso !! 67 ifdef CONFIG_32BIT
43 CC_ARCHES_32 = hppa hppa2.0 hppa1.1 !! 68 ld-emul = $(32bit-emul)
44 CC_SUFFIXES = linux linux-gnu unknown-linux-g !! 69 vmlinux-32 = vmlinux
45 CROSS32_COMPILE := $(call cc-cross-prefix, \ !! 70 vmlinux-64 = vmlinux.64
46 $(foreach a,$(CC_ARCHES_32), \ <<
47 $(foreach s,$(CC_SUFFIXES),$(a)-$(s)-) <<
48 CROSS32CC := $(CROSS32_COMPILE)gcc <<
49 export CROSS32CC <<
50 71
51 # Set default cross compiler for kernel build !! 72 cflags-y += -mabi=32
52 ifdef cross_compiling <<
53 ifeq ($(CROSS_COMPILE),) <<
54 CC_SUFFIXES = linux linux-gnu <<
55 CROSS_COMPILE := $(call cc-cro <<
56 $(foreach a,$(CC_ARCHE <<
57 $(foreach s,$(CC_SUFFI <<
58 endif <<
59 endif 73 endif
60 74
61 ifdef CONFIG_DYNAMIC_FTRACE <<
62 ifdef CONFIG_64BIT 75 ifdef CONFIG_64BIT
63 NOP_COUNT := 8 !! 76 ld-emul = $(64bit-emul)
64 else !! 77 vmlinux-32 = vmlinux.32
65 NOP_COUNT := 5 !! 78 vmlinux-64 = vmlinux
>> 79
>> 80 cflags-y += -mabi=64
66 endif 81 endif
67 82
68 export CC_USING_RECORD_MCOUNT:=1 !! 83 all-$(CONFIG_BOOT_ELF32) := $(vmlinux-32)
69 export CC_USING_PATCHABLE_FUNCTION_ENTRY:=1 !! 84 all-$(CONFIG_BOOT_ELF64) := $(vmlinux-64)
>> 85 all-$(CONFIG_SYS_SUPPORTS_ZBOOT)+= vmlinuz
70 86
71 KBUILD_AFLAGS += -DCC_USING_PATCHABLE_FUNCTION !! 87 #
72 KBUILD_CFLAGS += -DCC_USING_PATCHABLE_FUNCTION !! 88 # GCC uses -G 0 -mabicalls -fpic as default. We don't want PIC in the kernel
73 -DFTRACE_PATCHABLE_FUNCTION_S !! 89 # code since it only slows down the whole thing. At some point we might make
>> 90 # use of global pointer optimizations but their use of $28 conflicts with
>> 91 # the current pointer optimization.
>> 92 #
>> 93 # The DECStation requires an ECOFF kernel for remote booting, other MIPS
>> 94 # machines may also. Since BFD is incredibly buggy with respect to
>> 95 # crossformat linking we rely on the elf2ecoff tool for format conversion.
>> 96 #
>> 97 cflags-y += -G 0 -mno-abicalls -fno-pic -pipe
>> 98 cflags-y += -msoft-float -Wa,-msoft-float
>> 99 LDFLAGS_vmlinux += -G 0 -static -n -nostdlib
>> 100 KBUILD_AFLAGS_MODULE += -mlong-calls
>> 101 KBUILD_CFLAGS_MODULE += -mlong-calls
74 102
75 CC_FLAGS_FTRACE := -fpatchable-function-entry= !! 103 ifeq ($(CONFIG_RELOCATABLE),y)
>> 104 LDFLAGS_vmlinux += --emit-relocs
76 endif 105 endif
77 106
78 OBJCOPY_FLAGS =-O binary -R .note -R .comment !! 107 cflags-y += -ffreestanding
>> 108
>> 109 cflags-$(CONFIG_CPU_BIG_ENDIAN) += -EB
>> 110 cflags-$(CONFIG_CPU_LITTLE_ENDIAN) += -EL
79 111
80 cflags-y := -pipe !! 112 cflags-$(CONFIG_SB1XXX_CORELIS) += $(call cc-option,-mno-sched-prolog) \
>> 113 -fno-omit-frame-pointer
81 114
82 # These flags should be implied by an hppa-lin !! 115 # Some distribution-specific toolchains might pass the -fstack-check
83 # are not in gcc 3.2. !! 116 # option during the build, which adds a simple stack-probe at the beginning
84 cflags-y += -mno-space-regs !! 117 # of every function. This stack probe is to ensure that there is enough
>> 118 # stack space, else a SEGV is generated. This is not desirable for MIPS
>> 119 # as kernel stacks are small, placed in unmapped virtual memory, and do not
>> 120 # grow when overflowed. Especially on SGI IP27 platforms, this check will
>> 121 # lead to a NULL pointer dereference in _raw_spin_lock_irq.
>> 122 #
>> 123 # In disassembly, this stack probe appears at the top of a function as:
>> 124 # sd zero,<offset>(sp)
>> 125 # Where <offset> is a negative value.
>> 126 #
>> 127 cflags-y += -fno-stack-check
85 128
86 # -mfast-indirect-calls is only relevant for 3 !! 129 # binutils from v2.35 when built with --enable-mips-fix-loongson3-llsc=yes,
87 ifndef CONFIG_64BIT !! 130 # supports an -mfix-loongson3-llsc flag which emits a sync prior to each ll
88 cflags-y += -mfast-indirect-calls !! 131 # instruction to work around a CPU bug (see __SYNC_loongson3_war in asm/sync.h
>> 132 # for a description).
>> 133 #
>> 134 # We disable this in order to prevent the assembler meddling with the
>> 135 # instruction that labels refer to, ie. if we label an ll instruction:
>> 136 #
>> 137 # 1: ll v0, 0(a0)
>> 138 #
>> 139 # ...then with the assembler fix applied the label may actually point at a sync
>> 140 # instruction inserted by the assembler, and if we were using the label in an
>> 141 # exception table the table would no longer contain the address of the ll
>> 142 # instruction.
>> 143 #
>> 144 # Avoid this by explicitly disabling that assembler behaviour.
>> 145 #
>> 146 cflags-y += $(call cc-option,-Wa$(comma)-mno-fix-loongson3-llsc,)
>> 147
>> 148 #
>> 149 # CPU-dependent compiler/assembler options for optimization.
>> 150 #
>> 151 cflags-$(CONFIG_CPU_R3000) += -march=r3000
>> 152 cflags-$(CONFIG_CPU_R4300) += -march=r4300 -Wa,--trap
>> 153 cflags-$(CONFIG_CPU_R4X00) += -march=r4600 -Wa,--trap
>> 154 cflags-$(CONFIG_CPU_TX49XX) += -march=r4600 -Wa,--trap
>> 155 cflags-$(CONFIG_CPU_MIPS32_R1) += -march=mips32 -Wa,--trap
>> 156 cflags-$(CONFIG_CPU_MIPS32_R2) += -march=mips32r2 -Wa,--trap
>> 157 cflags-$(CONFIG_CPU_MIPS32_R5) += -march=mips32r5 -Wa,--trap -modd-spreg
>> 158 cflags-$(CONFIG_CPU_MIPS32_R6) += -march=mips32r6 -Wa,--trap -modd-spreg
>> 159 cflags-$(CONFIG_CPU_MIPS64_R1) += -march=mips64 -Wa,--trap
>> 160 cflags-$(CONFIG_CPU_MIPS64_R2) += -march=mips64r2 -Wa,--trap
>> 161 cflags-$(CONFIG_CPU_MIPS64_R5) += -march=mips64r5 -Wa,--trap
>> 162 cflags-$(CONFIG_CPU_MIPS64_R6) += -march=mips64r6 -Wa,--trap
>> 163 cflags-$(CONFIG_CPU_P5600) += -march=p5600 -Wa,--trap -modd-spreg
>> 164 cflags-$(CONFIG_CPU_R5000) += -march=r5000 -Wa,--trap
>> 165 cflags-$(CONFIG_CPU_R5500) += $(call cc-option,-march=r5500,-march=r5000) \
>> 166 -Wa,--trap
>> 167 cflags-$(CONFIG_CPU_NEVADA) += $(call cc-option,-march=rm5200,-march=r5000) \
>> 168 -Wa,--trap
>> 169 cflags-$(CONFIG_CPU_RM7000) += $(call cc-option,-march=rm7000,-march=r5000) \
>> 170 -Wa,--trap
>> 171 cflags-$(CONFIG_CPU_SB1) += $(call cc-option,-march=sb1,-march=r5000) \
>> 172 -Wa,--trap
>> 173 cflags-$(CONFIG_CPU_SB1) += $(call cc-option,-mno-mdmx)
>> 174 cflags-$(CONFIG_CPU_SB1) += $(call cc-option,-mno-mips3d)
>> 175 cflags-$(CONFIG_CPU_R10000) += $(call cc-option,-march=r10000,-march=r8000) \
>> 176 -Wa,--trap
>> 177 cflags-$(CONFIG_CPU_CAVIUM_OCTEON) += $(call cc-option,-march=octeon) -Wa,--trap
>> 178 ifeq (,$(findstring march=octeon, $(cflags-$(CONFIG_CPU_CAVIUM_OCTEON))))
>> 179 cflags-$(CONFIG_CPU_CAVIUM_OCTEON) += -Wa,-march=octeon
89 endif 180 endif
>> 181 cflags-$(CONFIG_CAVIUM_CN63XXP1) += -Wa,-mfix-cn63xxp1
>> 182 cflags-$(CONFIG_CPU_BMIPS) += -march=mips32 -Wa,-mips32 -Wa,--trap
90 183
91 # Currently we save and restore fpregs on all !! 184 cflags-$(CONFIG_CPU_LOONGSON2E) += $(call cc-option,-march=loongson2e) -Wa,--trap
92 # If that gets optimized, we might need to dis !! 185 cflags-$(CONFIG_CPU_LOONGSON2F) += $(call cc-option,-march=loongson2f) -Wa,--trap
93 # kernel. !! 186 cflags-$(CONFIG_CPU_LOONGSON64) += $(call cc-option,-march=loongson3a,-march=mips64r2) -Wa,--trap
94 cflags-y += -mdisable-fpregs !! 187 # Some -march= flags enable MMI instructions, and GCC complains about that
>> 188 # support being enabled alongside -msoft-float. Thus explicitly disable MMI.
>> 189 cflags-$(CONFIG_CPU_LOONGSON2EF) += $(call cc-option,-mno-loongson-mmi)
>> 190 cflags-$(CONFIG_CPU_LOONGSON64) += $(call cc-option,-mno-loongson-mmi)
>> 191
>> 192 cflags-$(CONFIG_CPU_R4000_WORKAROUNDS) += $(call cc-option,-mfix-r4000,)
>> 193 cflags-$(CONFIG_CPU_R4400_WORKAROUNDS) += $(call cc-option,-mfix-r4400,)
>> 194 cflags-$(CONFIG_CPU_DADDI_WORKAROUNDS) += $(call cc-option,-mno-daddi,)
>> 195 ifdef CONFIG_CPU_LOONGSON2F_WORKAROUNDS
>> 196 cflags-$(CONFIG_CPU_NOP_WORKAROUNDS) += -Wa,-mfix-loongson2f-nop
>> 197 cflags-$(CONFIG_CPU_JUMP_WORKAROUNDS) += -Wa,-mfix-loongson2f-jump
>> 198 endif
95 199
96 # Use long jumps instead of long branches (nee !! 200 #
97 # link a too big vmlinux executable). Not enab !! 201 # Some versions of binutils, not currently mainline as of 2019/02/04, support
98 ifdef CONFIG_MLONGCALLS !! 202 # an -mfix-loongson3-llsc flag which emits a sync prior to each ll instruction
99 KBUILD_CFLAGS_KERNEL += -mlong-calls !! 203 # to work around a CPU bug (see __SYNC_loongson3_war in asm/sync.h for a
>> 204 # description).
>> 205 #
>> 206 # We disable this in order to prevent the assembler meddling with the
>> 207 # instruction that labels refer to, ie. if we label an ll instruction:
>> 208 #
>> 209 # 1: ll v0, 0(a0)
>> 210 #
>> 211 # ...then with the assembler fix applied the label may actually point at a sync
>> 212 # instruction inserted by the assembler, and if we were using the label in an
>> 213 # exception table the table would no longer contain the address of the ll
>> 214 # instruction.
>> 215 #
>> 216 # Avoid this by explicitly disabling that assembler behaviour. If upstream
>> 217 # binutils does not merge support for the flag then we can revisit & remove
>> 218 # this later - for now it ensures vendor toolchains don't cause problems.
>> 219 #
>> 220 cflags-$(CONFIG_CPU_LOONGSON64) += $(call as-option,-Wa$(comma)-mno-fix-loongson3-llsc,)
>> 221
>> 222 # For smartmips configurations, there are hundreds of warnings due to ISA overrides
>> 223 # in assembly and header files. smartmips is only supported for MIPS32r1 onwards
>> 224 # and there is no support for 64-bit. Various '.set mips2' or '.set mips3' or
>> 225 # similar directives in the kernel will spam the build logs with the following warnings:
>> 226 # Warning: the `smartmips' extension requires MIPS32 revision 1 or greater
>> 227 # or
>> 228 # Warning: the 64-bit MIPS architecture does not support the `smartmips' extension
>> 229 # Pass -Wa,--no-warn to disable all assembler warnings until the kernel code has
>> 230 # been fixed properly.
>> 231 mips-cflags := $(cflags-y)
>> 232 ifeq ($(CONFIG_CPU_HAS_SMARTMIPS),y)
>> 233 smartmips-ase := $(call cc-option-yn,$(mips-cflags) -msmartmips)
>> 234 cflags-$(smartmips-ase) += -msmartmips -Wa,--no-warn
>> 235 endif
>> 236 ifeq ($(CONFIG_CPU_MICROMIPS),y)
>> 237 micromips-ase := $(call cc-option-yn,$(mips-cflags) -mmicromips)
>> 238 cflags-$(micromips-ase) += -mmicromips
>> 239 endif
>> 240 ifeq ($(CONFIG_CPU_HAS_MSA),y)
>> 241 toolchain-msa := $(call cc-option-yn,$(mips-cflags) -mhard-float -mfp64 -Wa$(comma)-mmsa)
>> 242 cflags-$(toolchain-msa) += -DTOOLCHAIN_SUPPORTS_MSA
100 endif 243 endif
>> 244 toolchain-virt := $(call cc-option-yn,$(mips-cflags) -mvirt)
>> 245 cflags-$(toolchain-virt) += -DTOOLCHAIN_SUPPORTS_VIRT
>> 246 # For -mmicromips, use -Wa,-fatal-warnings to catch unsupported -mxpa which
>> 247 # only warns
>> 248 xpa-cflags-y := $(mips-cflags)
>> 249 xpa-cflags-$(micromips-ase) += -mmicromips -Wa$(comma)-fatal-warnings
>> 250 toolchain-xpa := $(call cc-option-yn,$(xpa-cflags-y) -mxpa)
>> 251 cflags-$(toolchain-xpa) += -DTOOLCHAIN_SUPPORTS_XPA
>> 252 toolchain-crc := $(call cc-option-yn,$(mips-cflags) -Wa$(comma)-mcrc)
>> 253 cflags-$(toolchain-crc) += -DTOOLCHAIN_SUPPORTS_CRC
>> 254 toolchain-dsp := $(call cc-option-yn,$(mips-cflags) -Wa$(comma)-mdsp)
>> 255 cflags-$(toolchain-dsp) += -DTOOLCHAIN_SUPPORTS_DSP
>> 256 toolchain-ginv := $(call cc-option-yn,$(mips-cflags) -Wa$(comma)-mginv)
>> 257 cflags-$(toolchain-ginv) += -DTOOLCHAIN_SUPPORTS_GINV
>> 258
>> 259 #
>> 260 # Firmware support
>> 261 #
>> 262 libs-$(CONFIG_FW_ARC) += arch/mips/fw/arc/
>> 263 libs-$(CONFIG_FW_CFE) += arch/mips/fw/cfe/
>> 264 libs-$(CONFIG_FW_SNIPROM) += arch/mips/fw/sni/
>> 265 libs-y += arch/mips/fw/lib/
>> 266
>> 267 #
>> 268 # Kernel compression
>> 269 #
>> 270 ifdef CONFIG_SYS_SUPPORTS_ZBOOT
>> 271 COMPRESSION_FNAME = vmlinuz
>> 272 else
>> 273 COMPRESSION_FNAME = vmlinux
>> 274 endif
>> 275
>> 276 #
>> 277 # Board-dependent options and extra files
>> 278 #
>> 279 include $(srctree)/arch/mips/Kbuild.platforms
>> 280
>> 281 ifdef CONFIG_PHYSICAL_START
>> 282 load-y = $(CONFIG_PHYSICAL_START)
>> 283 endif
>> 284
>> 285 entry-y = $(shell $(objtree)/arch/mips/tools/elf-entry vmlinux)
>> 286 cflags-y += -I$(srctree)/arch/mips/include/asm/mach-generic
>> 287 drivers-$(CONFIG_PCI) += arch/mips/pci/
101 288
102 # Without this, "ld -r" results in .text secti !! 289 #
103 # for branches to reach stubs. And multiple .t !! 290 # Automatically detect the build format. By default we choose
104 # when creating the sysfs module information s !! 291 # the elf format according to the load address.
105 ifndef CONFIG_64BIT !! 292 # We can always force a build with a 64-bits symbol format by
106 KBUILD_CFLAGS_MODULE += -ffunction-sections !! 293 # passing 'KBUILD_SYM32=no' option to the make's command line.
>> 294 #
>> 295 ifdef CONFIG_64BIT
>> 296 ifndef KBUILD_SYM32
>> 297 ifeq ($(shell expr $(load-y) \< 0xffffffff80000000), 0)
>> 298 KBUILD_SYM32 = y
>> 299 endif
>> 300 endif
>> 301
>> 302 ifeq ($(KBUILD_SYM32), y)
>> 303 cflags-$(KBUILD_SYM32) += -msym32 -DKBUILD_64BIT_SYM32
>> 304 else
>> 305 ifeq ($(CONFIG_CPU_DADDI_WORKAROUNDS), y)
>> 306 $(error CONFIG_CPU_DADDI_WORKAROUNDS unsupported without -msym32)
>> 307 endif
>> 308 endif
107 endif 309 endif
108 310
109 # select which processor to optimise for !! 311 # When linking a 32-bit executable the LLVM linker cannot cope with a
110 cflags-$(CONFIG_PA7000) += -march=1.1 !! 312 # 32-bit load address that has been sign-extended to 64 bits. Simply
111 cflags-$(CONFIG_PA7200) += -march=1.1 !! 313 # remove the upper 32 bits then, as it is safe to do so with other
112 cflags-$(CONFIG_PA7100LC) += -march=1.1 !! 314 # linkers.
113 cflags-$(CONFIG_PA7300LC) += -march=1.1 !! 315 ifdef CONFIG_64BIT
114 cflags-$(CONFIG_PA8X00) += -march=2.0 !! 316 load-ld = $(load-y)
>> 317 else
>> 318 load-ld = $(subst 0xffffffff,0x,$(load-y))
>> 319 endif
115 320
>> 321 KBUILD_AFLAGS += $(cflags-y)
116 KBUILD_CFLAGS += $(cflags-y) 322 KBUILD_CFLAGS += $(cflags-y)
117 LIBGCC := $(shell $(CC) -print-libgcc !! 323 KBUILD_CPPFLAGS += -DVMLINUX_LOAD_ADDRESS=$(load-y) -DLINKER_LOAD_ADDRESS=$(load-ld)
118 export LIBGCC !! 324 KBUILD_CPPFLAGS += -DDATAOFFSET=$(if $(dataoffset-y),$(dataoffset-y),0)
>> 325
>> 326 bootvars-y = VMLINUX_LOAD_ADDRESS=$(load-y) \
>> 327 LINKER_LOAD_ADDRESS=$(load-ld) \
>> 328 VMLINUX_ENTRY_ADDRESS=$(entry-y) \
>> 329 PLATFORM="$(platform-y)" \
>> 330 ITS_INPUTS="$(its-y)"
>> 331 ifdef CONFIG_32BIT
>> 332 bootvars-y += ADDR_BITS=32
>> 333 endif
>> 334 ifdef CONFIG_64BIT
>> 335 bootvars-y += ADDR_BITS=64
>> 336 endif
>> 337
>> 338 # This is required to get dwarf unwinding tables into .debug_frame
>> 339 # instead of .eh_frame so we don't discard them.
>> 340 KBUILD_CFLAGS += -fno-asynchronous-unwind-tables
>> 341
>> 342 KBUILD_LDFLAGS += -m $(ld-emul)
>> 343
>> 344 ifdef need-compiler
>> 345 CHECKFLAGS += $(shell $(CC) $(KBUILD_CPPFLAGS) $(KBUILD_CFLAGS) -dM -E -x c /dev/null | \
>> 346 grep -E -vw '__GNUC_(MINOR_|PATCHLEVEL_)?_' | \
>> 347 sed -e "s/^\#define /-D'/" -e "s/ /'='/" -e "s/$$/'/" -e 's/\$$/&&/g')
>> 348 endif
119 349
120 libs-y += arch/parisc/lib/ $(LIBGCC) !! 350 OBJCOPYFLAGS += --remove-section=.reginfo
121 351
122 drivers-$(CONFIG_VIDEO) += arch/parisc/video/ !! 352 libs-y += arch/mips/lib/
>> 353 libs-$(CONFIG_MIPS_FP_SUPPORT) += arch/mips/math-emu/
123 354
124 boot := arch/parisc/boot !! 355 drivers-y += arch/mips/crypto/
125 356
126 PALO := $(shell if (which palo 2>&1); then : ; !! 357 # suspend and hibernation support
127 elif [ -x /sbin/palo ]; then echo /sbi !! 358 drivers-$(CONFIG_PM) += arch/mips/power/
128 fi) !! 359
129 !! 360 # boot image targets (arch/mips/boot/)
130 PALOCONF := $(shell if [ -f $(srctree)/palo.co !! 361 boot-y := vmlinux.bin
131 else echo $(objtree)/palo.conf; \ !! 362 boot-y += vmlinux.ecoff
132 fi) !! 363 boot-y += vmlinux.srec
133 !! 364 boot-y += uImage
134 palo lifimage: vmlinuz !! 365 boot-y += uImage.bin
135 @if test ! -x "$(PALO)"; then \ !! 366 boot-y += uImage.bz2
136 echo 'ERROR: Please install pa !! 367 boot-y += uImage.gz
137 echo 'or build it from source !! 368 boot-y += uImage.lzma
138 false; \ !! 369 boot-y += uImage.lzo
139 fi !! 370 boot-y += vmlinux.itb
140 @if test ! -f "$(PALOCONF)"; then \ !! 371 boot-y += vmlinux.gz.itb
141 cp $(srctree)/arch/parisc/defp !! 372 boot-y += vmlinux.bz2.itb
142 echo 'A generic palo config fi !! 373 boot-y += vmlinux.lzma.itb
143 echo 'You should check it and !! 374 boot-y += vmlinux.lzo.itb
144 echo 'WARNING: the "lifimage" !! 375
145 false; \ !! 376 # compressed boot image targets (arch/mips/boot/compressed/)
146 fi !! 377 bootz-y := vmlinuz
147 $(PALO) -f $(PALOCONF) !! 378 bootz-y += vmlinuz.bin
148 !! 379 bootz-y += vmlinuz.ecoff
149 BOOT_TARGETS = zImage Image palo lifimage !! 380 bootz-y += vmlinuz.srec
150 INSTALL_TARGETS = zinstall install !! 381 bootz-y += uzImage.bin
151 !! 382 bootz-y += vmlinuz.itb
152 PHONY += bzImage $(BOOT_TARGETS) $(INSTALL_TAR <<
153 <<
154 # Default kernel to build <<
155 all: bzImage <<
156 <<
157 zImage: vmlinuz <<
158 Image: vmlinux <<
159 <<
160 bzImage: vmlinux <<
161 $(Q)$(MAKE) $(build)=$(boot) $(boot)/$ <<
162 <<
163 vmlinuz: bzImage <<
164 $(OBJCOPY) $(boot)/bzImage $@ <<
165 <<
166 ifeq ($(KBUILD_EXTMOD),) <<
167 # We need to generate vdso-offsets.h before co <<
168 # In order to do that, we should use the archp <<
169 # asm-offsets.h is included in some files used <<
170 # asm-offsets.h is built in prepare0, for whic <<
171 # Therefore we need to generate the header aft <<
172 # this hack. <<
173 prepare: vdso_prepare <<
174 vdso_prepare: prepare0 <<
175 $(if $(CONFIG_64BIT),$(Q)$(MAKE) \ <<
176 $(build)=arch/parisc/kernel/vd <<
177 $(Q)$(MAKE) $(build)=arch/parisc/kerne <<
178 endif <<
179 <<
180 vdso-install-y += arch/parisc <<
181 vdso-install-$(CONFIG_64BIT) += arch/parisc <<
182 <<
183 install: KBUILD_IMAGE := vmlinux <<
184 zinstall: KBUILD_IMAGE := vmlinuz <<
185 install zinstall: <<
186 $(call cmd,install) <<
187 383
188 CLEAN_FILES += lifimage !! 384 #
189 MRPROPER_FILES += palo.conf !! 385 # Some machines like the Indy need 32-bit ELF binaries for booting purposes.
>> 386 # Other need ECOFF, so we build a 32-bit ELF binary for them which we then
>> 387 # convert to ECOFF using elf2ecoff.
>> 388 #
>> 389 quiet_cmd_32 = OBJCOPY $@
>> 390 cmd_32 = $(OBJCOPY) -O $(32bit-bfd) $(OBJCOPYFLAGS) $< $@
>> 391 vmlinux.32: vmlinux
>> 392 $(call cmd,32)
>> 393
>> 394 #
>> 395 # The 64-bit ELF tools are pretty broken so at this time we generate 64-bit
>> 396 # ELF files from 32-bit files by conversion.
>> 397 #
>> 398 quiet_cmd_64 = OBJCOPY $@
>> 399 cmd_64 = $(OBJCOPY) -O $(64bit-bfd) $(OBJCOPYFLAGS) $< $@
>> 400 vmlinux.64: vmlinux
>> 401 $(call cmd,64)
>> 402
>> 403 all: $(all-y) $(KBUILD_DTBS)
>> 404
>> 405 # boot
>> 406 $(boot-y): $(vmlinux-32) FORCE
>> 407 $(Q)$(MAKE) $(build)=arch/mips/boot VMLINUX=$(vmlinux-32) \
>> 408 $(bootvars-y) arch/mips/boot/$@
>> 409
>> 410 ifdef CONFIG_SYS_SUPPORTS_ZBOOT
>> 411 # boot/compressed
>> 412 $(bootz-y): $(vmlinux-32) FORCE
>> 413 $(Q)$(MAKE) $(build)=arch/mips/boot/compressed \
>> 414 $(bootvars-y) 32bit-bfd=$(32bit-bfd) arch/mips/boot/$@
>> 415 else
>> 416 vmlinuz: FORCE
>> 417 @echo ' CONFIG_SYS_SUPPORTS_ZBOOT is not enabled'
>> 418 /bin/false
>> 419 endif
>> 420
>> 421
>> 422 CLEAN_FILES += vmlinux.32 vmlinux.64
>> 423
>> 424 # device-trees
>> 425 core-y += arch/mips/boot/dts/
>> 426
>> 427 archprepare:
>> 428 ifdef CONFIG_MIPS32_N32
>> 429 @$(kecho) ' Checking missing-syscalls for N32'
>> 430 $(Q)$(MAKE) $(build)=. missing-syscalls missing_syscalls_flags="-mabi=n32"
>> 431 endif
>> 432 ifdef CONFIG_MIPS32_O32
>> 433 @$(kecho) ' Checking missing-syscalls for O32'
>> 434 $(Q)$(MAKE) $(build)=. missing-syscalls missing_syscalls_flags="-mabi=32"
>> 435 endif
>> 436
>> 437 install:
>> 438 $(Q)install -D -m 755 vmlinux $(INSTALL_PATH)/vmlinux-$(KERNELRELEASE)
>> 439 ifdef CONFIG_SYS_SUPPORTS_ZBOOT
>> 440 $(Q)install -D -m 755 vmlinuz $(INSTALL_PATH)/vmlinuz-$(KERNELRELEASE)
>> 441 endif
>> 442 $(Q)install -D -m 644 .config $(INSTALL_PATH)/config-$(KERNELRELEASE)
>> 443 $(Q)install -D -m 644 System.map $(INSTALL_PATH)/System.map-$(KERNELRELEASE)
>> 444
>> 445 archheaders:
>> 446 $(Q)$(MAKE) $(build)=arch/mips/kernel/syscalls all
190 447
191 define archhelp 448 define archhelp
192 @echo '* vmlinux - Uncompressed !! 449 echo ' install - install kernel into $(INSTALL_PATH)'
193 @echo ' vmlinuz - Compressed k !! 450 echo ' vmlinux.ecoff - ECOFF boot image'
194 @echo ' palo - Bootable ima !! 451 echo ' vmlinux.bin - Raw binary boot image'
195 @echo ' install - Install unco !! 452 echo ' vmlinux.srec - SREC boot image'
196 @echo ' (your) ~/bin !! 453 echo ' vmlinux.32 - 64-bit boot image wrapped in 32bits (IP22/IP32)'
197 @echo ' (distributio !! 454 echo ' vmlinuz - Compressed boot(zboot) image'
198 @echo ' copy to $$(I !! 455 echo ' vmlinuz.ecoff - ECOFF zboot image'
199 @echo ' zinstall - Install comp !! 456 echo ' vmlinuz.bin - Raw binary zboot image'
>> 457 echo ' vmlinuz.srec - SREC zboot image'
>> 458 echo ' uImage - U-Boot image'
>> 459 echo ' uImage.bin - U-Boot image (uncompressed)'
>> 460 echo ' uImage.bz2 - U-Boot image (bz2)'
>> 461 echo ' uImage.gz - U-Boot image (gzip)'
>> 462 echo ' uImage.lzma - U-Boot image (lzma)'
>> 463 echo ' uImage.lzo - U-Boot image (lzo)'
>> 464 echo ' uzImage.bin - U-Boot image (self-extracting)'
>> 465 echo
>> 466 echo ' These will be default as appropriate for a configured platform.'
>> 467 echo
>> 468 echo ' If you are targeting a system supported by generic kernels you may'
>> 469 echo ' configure the kernel for a given architecture target like so:'
>> 470 echo
>> 471 echo ' {micro32,32,64}{r1,r2,r6}{el,}_defconfig <BOARDS="list of boards">'
>> 472 echo
>> 473 echo ' Where BOARDS is some subset of the following:'
>> 474 for board in $(sort $(BOARDS)); do echo " $${board}"; done
>> 475 echo
>> 476 echo ' Specifically the following generic default configurations are'
>> 477 echo ' supported:'
>> 478 echo
>> 479 $(foreach cfg,$(generic_defconfigs),
>> 480 printf " %-24s - Build generic kernel for $(call describe_generic_defconfig,$(cfg))\n" $(cfg);)
>> 481 echo
>> 482 echo ' The following legacy default configurations have been converted to'
>> 483 echo ' generic and can still be used:'
>> 484 echo
>> 485 $(foreach cfg,$(sort $(legacy_defconfigs)),
>> 486 printf " %-24s - Build $($(cfg)-y)\n" $(cfg);)
>> 487 echo
>> 488 echo ' Otherwise, the following default configurations are available:'
200 endef 489 endef
201 490
202 archheaders: !! 491 generic_config_dir = $(srctree)/arch/$(ARCH)/configs/generic
203 $(Q)$(MAKE) $(build)=arch/parisc/kerne !! 492 generic_defconfigs :=
>> 493
>> 494 #
>> 495 # If the user generates a generic kernel configuration without specifying a
>> 496 # list of boards to include the config fragments for, default to including all
>> 497 # available board config fragments.
>> 498 #
>> 499 ifeq ($(BOARDS),)
>> 500 BOARDS = $(patsubst board-%.config,%,$(notdir $(wildcard $(generic_config_dir)/board-*.config)))
>> 501 endif
>> 502
>> 503 #
>> 504 # Generic kernel configurations which merge generic_defconfig with the
>> 505 # appropriate config fragments from arch/mips/configs/generic/, resulting in
>> 506 # the ability to easily configure the kernel for a given architecture,
>> 507 # endianness & set of boards without duplicating the needed configuration in
>> 508 # hundreds of defconfig files.
>> 509 #
>> 510 define gen_generic_defconfigs
>> 511 $(foreach bits,$(1),$(foreach rev,$(2),$(foreach endian,$(3),
>> 512 target := $(bits)$(rev)$(filter el,$(endian))_defconfig
>> 513 generic_defconfigs += $$(target)
>> 514 $$(target): $(generic_config_dir)/$(bits)$(rev).config
>> 515 $$(target): $(generic_config_dir)/$(endian).config
>> 516 )))
>> 517 endef
>> 518
>> 519 $(eval $(call gen_generic_defconfigs,32 64,r1 r2 r6,eb el))
>> 520 $(eval $(call gen_generic_defconfigs,micro32,r2,eb el))
>> 521
>> 522 define describe_generic_defconfig
>> 523 $(subst 32r,MIPS32 r,$(subst 64r,MIPS64 r,$(subst el, little endian,$(patsubst %_defconfig,%,$(1)))))
>> 524 endef
>> 525
>> 526 .PHONY: $(generic_defconfigs)
>> 527 $(generic_defconfigs):
>> 528 $(Q)$(CONFIG_SHELL) $(srctree)/scripts/kconfig/merge_config.sh \
>> 529 -m -O $(objtree) $(srctree)/arch/$(ARCH)/configs/generic_defconfig $^ | \
>> 530 grep -Ev '^#'
>> 531 $(Q)cp $(KCONFIG_CONFIG) $(objtree)/.config.$@
>> 532 $(Q)$(MAKE) -f $(srctree)/Makefile olddefconfig \
>> 533 KCONFIG_CONFIG=$(objtree)/.config.$@ >/dev/null
>> 534 $(Q)$(CONFIG_SHELL) $(srctree)/arch/$(ARCH)/tools/generic-board-config.sh \
>> 535 $(srctree) $(objtree) $(objtree)/.config.$@ $(KCONFIG_CONFIG) \
>> 536 "$(origin BOARDS)" $(BOARDS)
>> 537 $(Q)$(MAKE) -f $(srctree)/Makefile olddefconfig
>> 538
>> 539 #
>> 540 # Prevent generic merge_config rules attempting to merge single fragments
>> 541 #
>> 542 $(generic_config_dir)/%.config: ;
>> 543
>> 544 #
>> 545 # Prevent direct use of generic_defconfig, which is intended to be used as the
>> 546 # basis of the various ISA-specific targets generated above.
>> 547 #
>> 548 .PHONY: generic_defconfig
>> 549 generic_defconfig:
>> 550 $(Q)echo "generic_defconfig is not intended for direct use, but should instead be"
>> 551 $(Q)echo "used via an ISA-specific target from the following list:"
>> 552 $(Q)echo
>> 553 $(Q)for cfg in $(generic_defconfigs); do echo " $${cfg}"; done
>> 554 $(Q)echo
>> 555 $(Q)false
>> 556
>> 557 #
>> 558 # Legacy defconfig compatibility - these targets used to be real defconfigs but
>> 559 # now that the boards have been converted to use the generic kernel they are
>> 560 # wrappers around the generic rules above.
>> 561 #
>> 562 legacy_defconfigs += ocelot_defconfig
>> 563 ocelot_defconfig-y := 32r2el_defconfig BOARDS=ocelot
>> 564
>> 565 legacy_defconfigs += sead3_defconfig
>> 566 sead3_defconfig-y := 32r2el_defconfig BOARDS=sead-3
>> 567
>> 568 legacy_defconfigs += sead3micro_defconfig
>> 569 sead3micro_defconfig-y := micro32r2el_defconfig BOARDS=sead-3
>> 570
>> 571 legacy_defconfigs += xilfpga_defconfig
>> 572 xilfpga_defconfig-y := 32r2el_defconfig BOARDS=xilfpga
>> 573
>> 574 legacy_defconfigs += pistachio_defconfig
>> 575 pistachio_defconfig-y := 32r2el_defconfig BOARDS=marduk
>> 576
>> 577 .PHONY: $(legacy_defconfigs)
>> 578 $(legacy_defconfigs):
>> 579 $(Q)$(MAKE) -f $(srctree)/Makefile $($@-y)
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