1 # 1 #
2 # arch/arm64/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) 1995-2001 by Russell King !! 6 # Copyright (C) 1994, 95, 96, 2003 by Ralf Baechle
>> 7 # DECStation modifications by Paul M. Antoine, 1996
>> 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. Remember to do have actions
>> 12 # for "archclean" cleaning up for this architecture.
>> 13 #
12 14
13 LDFLAGS_vmlinux :=--no-undefined -X --pic-vene !! 15 KBUILD_DEFCONFIG := ip22_defconfig
14 16
15 ifeq ($(CONFIG_RELOCATABLE), y) !! 17 #
16 # Pass --no-apply-dynamic-relocs to restore pr !! 18 # Select the object file format to substitute into the linker script.
17 # for relative relocs, since this leads to bet !! 19 #
18 # with the relocation offsets always being zer !! 20 ifdef CONFIG_CPU_LITTLE_ENDIAN
19 LDFLAGS_vmlinux += -shared -Bsymbolic !! 21 32bit-tool-archpref = mipsel
20 $(call ld-option, --no !! 22 64bit-tool-archpref = mips64el
>> 23 32bit-bfd = elf32-tradlittlemips
>> 24 64bit-bfd = elf64-tradlittlemips
>> 25 32bit-emul = elf32ltsmip
>> 26 64bit-emul = elf64ltsmip
>> 27 else
>> 28 32bit-tool-archpref = mips
>> 29 64bit-tool-archpref = mips64
>> 30 32bit-bfd = elf32-tradbigmips
>> 31 64bit-bfd = elf64-tradbigmips
>> 32 32bit-emul = elf32btsmip
>> 33 64bit-emul = elf64btsmip
>> 34 endif
>> 35
>> 36 ifdef CONFIG_32BIT
>> 37 tool-archpref = $(32bit-tool-archpref)
>> 38 UTS_MACHINE := mips
>> 39 endif
>> 40 ifdef CONFIG_64BIT
>> 41 tool-archpref = $(64bit-tool-archpref)
>> 42 UTS_MACHINE := mips64
>> 43 endif
>> 44
>> 45 ifneq ($(SUBARCH),$(ARCH))
>> 46 ifeq ($(CROSS_COMPILE),)
>> 47 CROSS_COMPILE := $(call cc-cross-prefix, $(tool-archpref)-linux- $(tool-archpref)-linux-gnu- $(tool-archpref)-unknown-linux-gnu-)
>> 48 endif
21 endif 49 endif
22 50
23 ifeq ($(CONFIG_ARM64_ERRATUM_843419),y) !! 51 ifdef CONFIG_FUNCTION_GRAPH_TRACER
24 ifeq ($(CONFIG_ARM64_LD_HAS_FIX_ERRATUM_8434 !! 52 ifndef KBUILD_MCOUNT_RA_ADDRESS
25 LDFLAGS_vmlinux += --fix-cortex-a53-843419 !! 53 ifeq ($(call cc-option-yn,-mmcount-ra-address), y)
>> 54 cflags-y += -mmcount-ra-address -DKBUILD_MCOUNT_RA_ADDRESS
>> 55 endif
26 endif 56 endif
27 endif 57 endif
>> 58 cflags-y += $(call cc-option, -mno-check-zero-division)
28 59
29 cc_has_k_constraint := $(call try-run,echo !! 60 ifdef CONFIG_32BIT
30 'int main(void) { !! 61 ld-emul = $(32bit-emul)
31 asm volatile("and w0, w0, %w0" !! 62 vmlinux-32 = vmlinux
32 return 0; !! 63 vmlinux-64 = vmlinux.64
33 }' | $(CC) -S -x c -o "$$TMP" -,,-DCON !! 64
34 !! 65 cflags-y += -mabi=32
35 ifeq ($(CONFIG_BROKEN_GAS_INST),y) <<
36 $(warning Detected assembler with broken .inst <<
37 endif <<
38 <<
39 # The GCC option -ffreestanding is required in <<
40 # ARM/NEON intrinsics in a non C99-compliant e <<
41 CC_FLAGS_FPU := -ffreestanding <<
42 # Enable <arm_neon.h> <<
43 CC_FLAGS_FPU += -isystem $(shell $(CC) -pri <<
44 CC_FLAGS_NO_FPU := -mgeneral-regs-only <<
45 <<
46 KBUILD_CFLAGS += $(CC_FLAGS_NO_FPU) \ <<
47 $(compat_vdso) $(cc_has_k_c <<
48 KBUILD_CFLAGS += $(call cc-disable-warning, <<
49 KBUILD_AFLAGS += $(compat_vdso) <<
50 <<
51 KBUILD_RUSTFLAGS += --target=aarch64-unknown-n <<
52 <<
53 KBUILD_CFLAGS += $(call cc-option,-mabi=lp64 <<
54 KBUILD_AFLAGS += $(call cc-option,-mabi=lp64 <<
55 <<
56 # Avoid generating .eh_frame* sections. <<
57 ifneq ($(CONFIG_UNWIND_TABLES),y) <<
58 KBUILD_CFLAGS += -fno-asynchronous-unwind-ta <<
59 KBUILD_AFLAGS += -fno-asynchronous-unwind-ta <<
60 KBUILD_RUSTFLAGS += -Cforce-unwind-tables=n <<
61 else <<
62 KBUILD_CFLAGS += -fasynchronous-unwind-table <<
63 KBUILD_AFLAGS += -fasynchronous-unwind-table <<
64 KBUILD_RUSTFLAGS += -Cforce-unwind-tables=y -Z <<
65 endif <<
66 <<
67 ifeq ($(CONFIG_STACKPROTECTOR_PER_TASK),y) <<
68 prepare: stack_protector_prepare <<
69 stack_protector_prepare: prepare0 <<
70 $(eval KBUILD_CFLAGS += -mstack-protec <<
71 -mstack-protec <<
72 -mstack-protec <<
73 awk '{if ($$2 == "TSK_ <<
74 includ <<
75 endif <<
76 <<
77 ifeq ($(CONFIG_ARM64_BTI_KERNEL),y) <<
78 KBUILD_CFLAGS += -mbranch-protection=pac-ret <<
79 KBUILD_RUSTFLAGS += -Zbranch-protection=bti, <<
80 else ifeq ($(CONFIG_ARM64_PTR_AUTH_KERNEL),y) <<
81 KBUILD_RUSTFLAGS += -Zbranch-protection=pac- <<
82 ifeq ($(CONFIG_CC_HAS_BRANCH_PROT_PAC_RET),y <<
83 KBUILD_CFLAGS += -mbranch-protection=pac-r <<
84 else <<
85 KBUILD_CFLAGS += -msign-return-address=non <<
86 endif <<
87 else <<
88 KBUILD_CFLAGS += $(call cc-option,-mbranch-p <<
89 endif 66 endif
90 67
91 # Tell the assembler to support instructions f !! 68 ifdef CONFIG_64BIT
92 # architecture. !! 69 ld-emul = $(64bit-emul)
>> 70 vmlinux-32 = vmlinux.32
>> 71 vmlinux-64 = vmlinux
>> 72
>> 73 cflags-y += -mabi=64
>> 74 endif
>> 75
>> 76 all-$(CONFIG_BOOT_ELF32) := $(vmlinux-32)
>> 77 all-$(CONFIG_BOOT_ELF64) := $(vmlinux-64)
>> 78 all-$(CONFIG_SYS_SUPPORTS_ZBOOT)+= vmlinuz
>> 79
93 # 80 #
94 # For non-integrated assemblers we'll pass thi !! 81 # GCC uses -G 0 -mabicalls -fpic as default. We don't want PIC in the kernel
95 # integrated assemblers we'll define ARM64_ASM !! 82 # code since it only slows down the whole thing. At some point we might make
96 # inline usage. !! 83 # use of global pointer optimizations but their use of $28 conflicts with
97 # !! 84 # the current pointer optimization.
98 # We cannot pass the same arch flag to the com !! 85 #
99 # freely generate instructions which are not s !! 86 # The DECStation requires an ECOFF kernel for remote booting, other MIPS
100 # versions, which would prevent a single kerne !! 87 # machines may also. Since BFD is incredibly buggy with respect to
101 # hardware. !! 88 # crossformat linking we rely on the elf2ecoff tool for format conversion.
102 ifeq ($(CONFIG_AS_HAS_ARMV8_5), y) !! 89 #
103 asm-arch := armv8.5-a !! 90 cflags-y += -G 0 -mno-abicalls -fno-pic -pipe
104 else ifeq ($(CONFIG_AS_HAS_ARMV8_4), y) !! 91 cflags-y += -msoft-float
105 asm-arch := armv8.4-a !! 92 LDFLAGS_vmlinux += -G 0 -static -n -nostdlib
106 else ifeq ($(CONFIG_AS_HAS_ARMV8_3), y) !! 93 KBUILD_AFLAGS_MODULE += -mlong-calls
107 asm-arch := armv8.3-a !! 94 KBUILD_CFLAGS_MODULE += -mlong-calls
108 else ifeq ($(CONFIG_AS_HAS_ARMV8_2), y) !! 95
109 asm-arch := armv8.2-a !! 96 #
110 endif !! 97 # pass -msoft-float to GAS if it supports it. However on newer binutils
111 !! 98 # (specifically newer than 2.24.51.20140728) we then also need to explicitly
112 ifdef asm-arch !! 99 # set ".set hardfloat" in all files which manipulate floating point registers.
113 KBUILD_CFLAGS += -Wa,-march=$(asm-arch) \ !! 100 #
114 -DARM64_ASM_ARCH='"$(asm-ar !! 101 ifneq ($(call as-option,-Wa$(comma)-msoft-float,),)
115 endif !! 102 cflags-y += -DGAS_HAS_SET_HARDFLOAT -Wa,-msoft-float
116 <<
117 ifeq ($(CONFIG_SHADOW_CALL_STACK), y) <<
118 KBUILD_CFLAGS += -ffixed-x18 <<
119 KBUILD_RUSTFLAGS += -Zfixed-x18 <<
120 endif <<
121 <<
122 ifeq ($(CONFIG_CPU_BIG_ENDIAN), y) <<
123 KBUILD_CPPFLAGS += -mbig-endian <<
124 CHECKFLAGS += -D__AARCH64EB__ <<
125 # Prefer the baremetal ELF build target, but n <<
126 # it so fall back to the standard linux versio <<
127 KBUILD_LDFLAGS += -EB $(call ld-option, -maar <<
128 UTS_MACHINE := aarch64_be <<
129 else <<
130 KBUILD_CPPFLAGS += -mlittle-endian <<
131 CHECKFLAGS += -D__AARCH64EL__ <<
132 # Same as above, prefer ELF but fall back to l <<
133 KBUILD_LDFLAGS += -EL $(call ld-option, -maar <<
134 UTS_MACHINE := aarch64 <<
135 endif 103 endif
136 104
137 ifeq ($(CONFIG_LD_IS_LLD), y) !! 105 cflags-y += -ffreestanding
138 KBUILD_LDFLAGS += -z norelro !! 106
>> 107 #
>> 108 # We explicitly add the endianness specifier if needed, this allows
>> 109 # to compile kernels with a toolchain for the other endianness. We
>> 110 # carefully avoid to add it redundantly because gcc 3.3/3.4 complains
>> 111 # when fed the toolchain default!
>> 112 #
>> 113 # Certain gcc versions up to gcc 4.1.1 (probably 4.2-subversion as of
>> 114 # 2006-10-10 don't properly change the predefined symbols if -EB / -EL
>> 115 # are used, so we kludge that here. A bug has been filed at
>> 116 # http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29413.
>> 117 #
>> 118 undef-all += -UMIPSEB -U_MIPSEB -U__MIPSEB -U__MIPSEB__
>> 119 undef-all += -UMIPSEL -U_MIPSEL -U__MIPSEL -U__MIPSEL__
>> 120 predef-be += -DMIPSEB -D_MIPSEB -D__MIPSEB -D__MIPSEB__
>> 121 predef-le += -DMIPSEL -D_MIPSEL -D__MIPSEL -D__MIPSEL__
>> 122 cflags-$(CONFIG_CPU_BIG_ENDIAN) += $(shell $(CC) -dumpmachine |grep -q 'mips.*el-.*' && echo -EB $(undef-all) $(predef-be))
>> 123 cflags-$(CONFIG_CPU_LITTLE_ENDIAN) += $(shell $(CC) -dumpmachine |grep -q 'mips.*el-.*' || echo -EL $(undef-all) $(predef-le))
>> 124
>> 125 cflags-$(CONFIG_SB1XXX_CORELIS) += $(call cc-option,-mno-sched-prolog) \
>> 126 -fno-omit-frame-pointer
>> 127 #
>> 128 # CPU-dependent compiler/assembler options for optimization.
>> 129 #
>> 130 cflags-$(CONFIG_CPU_R3000) += -march=r3000
>> 131 cflags-$(CONFIG_CPU_TX39XX) += -march=r3900
>> 132 cflags-$(CONFIG_CPU_R6000) += -march=r6000 -Wa,--trap
>> 133 cflags-$(CONFIG_CPU_R4300) += -march=r4300 -Wa,--trap
>> 134 cflags-$(CONFIG_CPU_VR41XX) += -march=r4100 -Wa,--trap
>> 135 cflags-$(CONFIG_CPU_R4X00) += -march=r4600 -Wa,--trap
>> 136 cflags-$(CONFIG_CPU_TX49XX) += -march=r4600 -Wa,--trap
>> 137 cflags-$(CONFIG_CPU_MIPS32_R1) += $(call cc-option,-march=mips32,-mips32 -U_MIPS_ISA -D_MIPS_ISA=_MIPS_ISA_MIPS32) \
>> 138 -Wa,-mips32 -Wa,--trap
>> 139 cflags-$(CONFIG_CPU_MIPS32_R2) += $(call cc-option,-march=mips32r2,-mips32r2 -U_MIPS_ISA -D_MIPS_ISA=_MIPS_ISA_MIPS32) \
>> 140 -Wa,-mips32r2 -Wa,--trap
>> 141 cflags-$(CONFIG_CPU_MIPS32_R6) += -march=mips32r6 -Wa,--trap
>> 142 cflags-$(CONFIG_CPU_MIPS64_R1) += $(call cc-option,-march=mips64,-mips64 -U_MIPS_ISA -D_MIPS_ISA=_MIPS_ISA_MIPS64) \
>> 143 -Wa,-mips64 -Wa,--trap
>> 144 cflags-$(CONFIG_CPU_MIPS64_R2) += $(call cc-option,-march=mips64r2,-mips64r2 -U_MIPS_ISA -D_MIPS_ISA=_MIPS_ISA_MIPS64) \
>> 145 -Wa,-mips64r2 -Wa,--trap
>> 146 cflags-$(CONFIG_CPU_MIPS64_R6) += -march=mips64r6 -Wa,--trap
>> 147 cflags-$(CONFIG_CPU_R5000) += -march=r5000 -Wa,--trap
>> 148 cflags-$(CONFIG_CPU_R5432) += $(call cc-option,-march=r5400,-march=r5000) \
>> 149 -Wa,--trap
>> 150 cflags-$(CONFIG_CPU_R5500) += $(call cc-option,-march=r5500,-march=r5000) \
>> 151 -Wa,--trap
>> 152 cflags-$(CONFIG_CPU_NEVADA) += $(call cc-option,-march=rm5200,-march=r5000) \
>> 153 -Wa,--trap
>> 154 cflags-$(CONFIG_CPU_RM7000) += $(call cc-option,-march=rm7000,-march=r5000) \
>> 155 -Wa,--trap
>> 156 cflags-$(CONFIG_CPU_SB1) += $(call cc-option,-march=sb1,-march=r5000) \
>> 157 -Wa,--trap
>> 158 cflags-$(CONFIG_CPU_SB1) += $(call cc-option,-mno-mdmx)
>> 159 cflags-$(CONFIG_CPU_SB1) += $(call cc-option,-mno-mips3d)
>> 160 cflags-$(CONFIG_CPU_R8000) += -march=r8000 -Wa,--trap
>> 161 cflags-$(CONFIG_CPU_R10000) += $(call cc-option,-march=r10000,-march=r8000) \
>> 162 -Wa,--trap
>> 163 cflags-$(CONFIG_CPU_CAVIUM_OCTEON) += $(call cc-option,-march=octeon) -Wa,--trap
>> 164 ifeq (,$(findstring march=octeon, $(cflags-$(CONFIG_CPU_CAVIUM_OCTEON))))
>> 165 cflags-$(CONFIG_CPU_CAVIUM_OCTEON) += -Wa,-march=octeon
>> 166 endif
>> 167 cflags-$(CONFIG_CAVIUM_CN63XXP1) += -Wa,-mfix-cn63xxp1
>> 168 cflags-$(CONFIG_CPU_BMIPS) += -march=mips32 -Wa,-mips32 -Wa,--trap
>> 169 #
>> 170 # binutils from v2.25 on and gcc starting from v4.9.0 treat -march=loongson3a
>> 171 # as MIPS64 R1; older versions as just R1. This leaves the possibility open
>> 172 # that GCC might generate R2 code for -march=loongson3a which then is rejected
>> 173 # by GAS. The cc-option can't probe for this behaviour so -march=loongson3a
>> 174 # can't easily be used safely within the kbuild framework.
>> 175 #
>> 176 cflags-$(CONFIG_CPU_LOONGSON3) += \
>> 177 $(call cc-option,-march=mips64r2,-mips64r2 -U_MIPS_ISA -D_MIPS_ISA=_MIPS_ISA_MIPS64) \
>> 178 -Wa,-mips64r2 -Wa,--trap
>> 179
>> 180 cflags-$(CONFIG_CPU_R4000_WORKAROUNDS) += $(call cc-option,-mfix-r4000,)
>> 181 cflags-$(CONFIG_CPU_R4400_WORKAROUNDS) += $(call cc-option,-mfix-r4400,)
>> 182 cflags-$(CONFIG_CPU_DADDI_WORKAROUNDS) += $(call cc-option,-mno-daddi,)
>> 183
>> 184 # For smartmips configurations, there are hundreds of warnings due to ISA overrides
>> 185 # in assembly and header files. smartmips is only supported for MIPS32r1 onwards
>> 186 # and there is no support for 64-bit. Various '.set mips2' or '.set mips3' or
>> 187 # similar directives in the kernel will spam the build logs with the following warnings:
>> 188 # Warning: the `smartmips' extension requires MIPS32 revision 1 or greater
>> 189 # or
>> 190 # Warning: the 64-bit MIPS architecture does not support the `smartmips' extension
>> 191 # Pass -Wa,--no-warn to disable all assembler warnings until the kernel code has
>> 192 # been fixed properly.
>> 193 mips-cflags := $(cflags-y)
>> 194 ifeq ($(CONFIG_CPU_HAS_SMARTMIPS),y)
>> 195 smartmips-ase := $(call cc-option-yn,$(mips-cflags) -msmartmips)
>> 196 cflags-$(smartmips-ase) += -msmartmips -Wa,--no-warn
>> 197 endif
>> 198 ifeq ($(CONFIG_CPU_MICROMIPS),y)
>> 199 micromips-ase := $(call cc-option-yn,$(mips-cflags) -mmicromips)
>> 200 cflags-$(micromips-ase) += -mmicromips
>> 201 endif
>> 202 ifeq ($(CONFIG_CPU_HAS_MSA),y)
>> 203 toolchain-msa := $(call cc-option-yn,$(mips-cflags) -mhard-float -mfp64 -Wa$(comma)-mmsa)
>> 204 cflags-$(toolchain-msa) += -DTOOLCHAIN_SUPPORTS_MSA
139 endif 205 endif
140 206
141 CHECKFLAGS += -D__aarch64__ !! 207 #
>> 208 # Firmware support
>> 209 #
>> 210 libs-$(CONFIG_FW_ARC) += arch/mips/fw/arc/
>> 211 libs-$(CONFIG_FW_CFE) += arch/mips/fw/cfe/
>> 212 libs-$(CONFIG_FW_SNIPROM) += arch/mips/fw/sni/
>> 213 libs-y += arch/mips/fw/lib/
142 214
143 ifeq ($(CONFIG_DYNAMIC_FTRACE_WITH_CALL_OPS),y !! 215 #
144 KBUILD_CPPFLAGS += -DCC_USING_PATCHABLE_FUNC !! 216 # Kernel compression
145 CC_FLAGS_FTRACE := -fpatchable-function-entr !! 217 #
146 else ifeq ($(CONFIG_DYNAMIC_FTRACE_WITH_ARGS), !! 218 ifdef SYS_SUPPORTS_ZBOOT
147 KBUILD_CPPFLAGS += -DCC_USING_PATCHABLE_FUNC !! 219 COMPRESSION_FNAME = vmlinuz
148 CC_FLAGS_FTRACE := -fpatchable-function-entr !! 220 else
>> 221 COMPRESSION_FNAME = vmlinux
149 endif 222 endif
150 223
151 ifeq ($(CONFIG_KASAN_SW_TAGS), y) !! 224 #
152 KASAN_SHADOW_SCALE_SHIFT := 4 !! 225 # Board-dependent options and extra files
153 else ifeq ($(CONFIG_KASAN_GENERIC), y) !! 226 #
154 KASAN_SHADOW_SCALE_SHIFT := 3 !! 227 include arch/mips/Kbuild.platforms
>> 228
>> 229 ifdef CONFIG_PHYSICAL_START
>> 230 load-y = $(CONFIG_PHYSICAL_START)
155 endif 231 endif
>> 232 entry-y = 0x$(shell $(NM) vmlinux 2>/dev/null \
>> 233 | grep "\bkernel_entry\b" | cut -f1 -d \ )
>> 234
>> 235 cflags-y += -I$(srctree)/arch/mips/include/asm/mach-generic
>> 236 drivers-$(CONFIG_PCI) += arch/mips/pci/
156 237
157 KBUILD_CFLAGS += -DKASAN_SHADOW_SCALE_SHIFT=$( !! 238 #
158 KBUILD_CPPFLAGS += -DKASAN_SHADOW_SCALE_SHIFT= !! 239 # Automatically detect the build format. By default we choose
159 KBUILD_AFLAGS += -DKASAN_SHADOW_SCALE_SHIFT=$( !! 240 # the elf format according to the load address.
>> 241 # We can always force a build with a 64-bits symbol format by
>> 242 # passing 'KBUILD_SYM32=no' option to the make's command line.
>> 243 #
>> 244 ifdef CONFIG_64BIT
>> 245 ifndef KBUILD_SYM32
>> 246 ifeq ($(shell expr $(load-y) \< 0xffffffff80000000), 0)
>> 247 KBUILD_SYM32 = y
>> 248 endif
>> 249 endif
160 250
161 libs-y := arch/arm64/lib/ $(libs-y) !! 251 ifeq ($(KBUILD_SYM32)$(call cc-option-yn,-msym32), yy)
162 libs-$(CONFIG_EFI_STUB) += $(objtree)/drivers/ !! 252 cflags-y += -msym32 -DKBUILD_64BIT_SYM32
>> 253 else
>> 254 ifeq ($(CONFIG_CPU_DADDI_WORKAROUNDS), y)
>> 255 $(error CONFIG_CPU_DADDI_WORKAROUNDS unsupported without -msym32)
>> 256 endif
>> 257 endif
>> 258 endif
163 259
164 # Default target when executing plain make !! 260 KBUILD_AFLAGS += $(cflags-y)
165 boot := arch/arm64/boot !! 261 KBUILD_CFLAGS += $(cflags-y)
>> 262 KBUILD_CPPFLAGS += -DVMLINUX_LOAD_ADDRESS=$(load-y)
>> 263 KBUILD_CPPFLAGS += -DDATAOFFSET=$(if $(dataoffset-y),$(dataoffset-y),0)
166 264
167 BOOT_TARGETS := Image vmlinuz.efi image.fit !! 265 bootvars-y = VMLINUX_LOAD_ADDRESS=$(load-y) \
>> 266 VMLINUX_ENTRY_ADDRESS=$(entry-y)
168 267
169 PHONY += $(BOOT_TARGETS) !! 268 LDFLAGS += -m $(ld-emul)
170 269
171 ifeq ($(CONFIG_EFI_ZBOOT),) !! 270 ifdef CONFIG_MIPS
172 KBUILD_IMAGE := $(boot)/Image.gz !! 271 CHECKFLAGS += $(shell $(CC) $(KBUILD_CFLAGS) -dM -E -x c /dev/null | \
173 else !! 272 egrep -vw '__GNUC_(MINOR_|PATCHLEVEL_)?_' | \
174 KBUILD_IMAGE := $(boot)/vmlinuz.efi !! 273 sed -e "s/^\#define /-D'/" -e "s/ /'='/" -e "s/$$/'/" -e 's/\$$/&&/g')
>> 274 ifdef CONFIG_64BIT
>> 275 CHECKFLAGS += -m64
>> 276 endif
175 endif 277 endif
176 278
177 all: $(notdir $(KBUILD_IMAGE)) !! 279 OBJCOPYFLAGS += --remove-section=.reginfo
178 280
179 image.fit: dtbs !! 281 head-y := arch/mips/kernel/head.o
180 282
181 vmlinuz.efi image.fit: Image !! 283 libs-y += arch/mips/lib/
182 $(BOOT_TARGETS): vmlinux !! 284 libs-y += arch/mips/math-emu/
183 $(Q)$(MAKE) $(build)=$(boot) $(boot)/$ <<
184 285
185 Image.%: Image !! 286 # See arch/mips/Kbuild for content of core part of the kernel
186 $(Q)$(MAKE) $(build)=$(boot) $(boot)/$ !! 287 core-y += arch/mips/
187 288
188 ifeq ($(CONFIG_COMPRESSED_INSTALL),y) !! 289 drivers-$(CONFIG_OPROFILE) += arch/mips/oprofile/
189 DEFAULT_KBUILD_IMAGE = $(KBUILD_IMAGE) <<
190 else <<
191 DEFAULT_KBUILD_IMAGE = $(boot)/Image <<
192 endif <<
193 290
194 install: KBUILD_IMAGE := $(DEFAULT_KBUILD_IMAG !! 291 # suspend and hibernation support
195 install zinstall: !! 292 drivers-$(CONFIG_PM) += arch/mips/power/
196 $(call cmd,install) <<
197 293
198 archprepare: !! 294 # boot image targets (arch/mips/boot/)
199 $(Q)$(MAKE) $(build)=arch/arm64/tools !! 295 boot-y := vmlinux.bin
200 ifeq ($(CONFIG_ARM64_ERRATUM_843419),y) !! 296 boot-y += vmlinux.ecoff
201 ifneq ($(CONFIG_ARM64_LD_HAS_FIX_ERRATUM_843 !! 297 boot-y += vmlinux.srec
202 @echo "warning: ld does not support -- !! 298 ifeq ($(shell expr $(load-y) \< 0xffffffff80000000 2> /dev/null), 0)
203 endif !! 299 boot-y += uImage
204 endif !! 300 boot-y += uImage.bin
205 ifeq ($(CONFIG_ARM64_USE_LSE_ATOMICS),y) !! 301 boot-y += uImage.bz2
206 ifneq ($(CONFIG_ARM64_LSE_ATOMICS),y) !! 302 boot-y += uImage.gz
207 @echo "warning: LSE atomics not suppor !! 303 boot-y += uImage.lzma
208 endif !! 304 boot-y += uImage.lzo
209 endif 305 endif
210 306
211 ifeq ($(KBUILD_EXTMOD),) !! 307 # compressed boot image targets (arch/mips/boot/compressed/)
212 # We need to generate vdso-offsets.h before co !! 308 bootz-y := vmlinuz
213 # In order to do that, we should use the archp !! 309 bootz-y += vmlinuz.bin
214 # asm-offsets.h is included in some files used !! 310 bootz-y += vmlinuz.ecoff
215 # asm-offsets.h is built in prepare0, for whic !! 311 bootz-y += vmlinuz.srec
216 # Therefore we need to generate the header aft !! 312
217 # this hack. !! 313 ifdef CONFIG_LASAT
218 prepare: vdso_prepare !! 314 rom.bin rom.sw: vmlinux
219 vdso_prepare: prepare0 !! 315 $(Q)$(MAKE) $(build)=arch/mips/lasat/image \
220 $(Q)$(MAKE) $(build)=arch/arm64/kernel !! 316 $(bootvars-y) $@
221 include/generated/vdso-offsets.h arch/ <<
222 ifdef CONFIG_COMPAT_VDSO <<
223 $(Q)$(MAKE) $(build)=arch/arm64/kernel <<
224 arch/arm64/kernel/vdso32/vdso.so <<
225 endif 317 endif
>> 318
>> 319 #
>> 320 # Some machines like the Indy need 32-bit ELF binaries for booting purposes.
>> 321 # Other need ECOFF, so we build a 32-bit ELF binary for them which we then
>> 322 # convert to ECOFF using elf2ecoff.
>> 323 #
>> 324 quiet_cmd_32 = OBJCOPY $@
>> 325 cmd_32 = $(OBJCOPY) -O $(32bit-bfd) $(OBJCOPYFLAGS) $< $@
>> 326 vmlinux.32: vmlinux
>> 327 $(call cmd,32)
>> 328
>> 329 #
>> 330 # The 64-bit ELF tools are pretty broken so at this time we generate 64-bit
>> 331 # ELF files from 32-bit files by conversion.
>> 332 #
>> 333 quiet_cmd_64 = OBJCOPY $@
>> 334 cmd_64 = $(OBJCOPY) -O $(64bit-bfd) $(OBJCOPYFLAGS) $< $@
>> 335 vmlinux.64: vmlinux
>> 336 $(call cmd,64)
>> 337
>> 338 all: $(all-y)
>> 339
>> 340 # boot
>> 341 $(boot-y): $(vmlinux-32) FORCE
>> 342 $(Q)$(MAKE) $(build)=arch/mips/boot VMLINUX=$(vmlinux-32) \
>> 343 $(bootvars-y) arch/mips/boot/$@
>> 344
>> 345 ifdef CONFIG_SYS_SUPPORTS_ZBOOT
>> 346 # boot/compressed
>> 347 $(bootz-y): $(vmlinux-32) FORCE
>> 348 $(Q)$(MAKE) $(build)=arch/mips/boot/compressed \
>> 349 $(bootvars-y) 32bit-bfd=$(32bit-bfd) $@
>> 350 else
>> 351 vmlinuz: FORCE
>> 352 @echo ' CONFIG_SYS_SUPPORTS_ZBOOT is not enabled'
>> 353 /bin/false
226 endif 354 endif
227 355
228 vdso-install-y += arc !! 356
229 vdso-install-$(CONFIG_COMPAT_VDSO) += arc !! 357 CLEAN_FILES += vmlinux.32 vmlinux.64
230 !! 358
231 include $(srctree)/scripts/Makefile.defconf !! 359 # device-trees
232 !! 360 core-$(CONFIG_BUILTIN_DTB) += arch/mips/boot/dts/
233 PHONY += virtconfig !! 361
234 virtconfig: !! 362 %.dtb %.dtb.S %.dtb.o: | scripts
235 $(call merge_into_defconfig_override,d !! 363 $(Q)$(MAKE) $(build)=arch/mips/boot/dts arch/mips/boot/dts/$@
>> 364
>> 365 PHONY += dtbs
>> 366 dtbs: scripts
>> 367 $(Q)$(MAKE) $(build)=arch/mips/boot/dts
>> 368
>> 369 PHONY += dtbs_install
>> 370 dtbs_install:
>> 371 $(Q)$(MAKE) $(dtbinst)=arch/mips/boot/dts
>> 372
>> 373 archprepare:
>> 374 ifdef CONFIG_MIPS32_N32
>> 375 @echo ' Checking missing-syscalls for N32'
>> 376 $(Q)$(MAKE) $(build)=. missing-syscalls missing_syscalls_flags="-mabi=n32"
>> 377 endif
>> 378 ifdef CONFIG_MIPS32_O32
>> 379 @echo ' Checking missing-syscalls for O32'
>> 380 $(Q)$(MAKE) $(build)=. missing-syscalls missing_syscalls_flags="-mabi=32"
>> 381 endif
>> 382
>> 383 install:
>> 384 $(Q)install -D -m 755 vmlinux $(INSTALL_PATH)/vmlinux-$(KERNELRELEASE)
>> 385 ifdef CONFIG_SYS_SUPPORTS_ZBOOT
>> 386 $(Q)install -D -m 755 vmlinuz $(INSTALL_PATH)/vmlinuz-$(KERNELRELEASE)
>> 387 endif
>> 388 $(Q)install -D -m 644 .config $(INSTALL_PATH)/config-$(KERNELRELEASE)
>> 389 $(Q)install -D -m 644 System.map $(INSTALL_PATH)/System.map-$(KERNELRELEASE)
>> 390
>> 391 archclean:
>> 392 $(Q)$(MAKE) $(clean)=arch/mips/boot
>> 393 $(Q)$(MAKE) $(clean)=arch/mips/boot/compressed
>> 394 $(Q)$(MAKE) $(clean)=arch/mips/lasat
236 395
237 define archhelp 396 define archhelp
238 echo '* Image.gz - Compressed kernel i !! 397 echo ' install - install kernel into $(INSTALL_PATH)'
239 echo ' Image - Uncompressed kernel !! 398 echo ' vmlinux.ecoff - ECOFF boot image'
240 echo ' image.fit - Flat Image Tree (ar !! 399 echo ' vmlinux.bin - Raw binary boot image'
241 echo ' install - Install kernel (com !! 400 echo ' vmlinux.srec - SREC boot image'
242 echo ' zinstall - Install compressed !! 401 echo ' vmlinux.32 - 64-bit boot image wrapped in 32bits (IP22/IP32)'
243 echo ' Install using (your !! 402 echo ' vmlinuz - Compressed boot(zboot) image'
244 echo ' (distribution) /sbi !! 403 echo ' vmlinuz.ecoff - ECOFF zboot image'
245 echo ' install to $$(INSTA !! 404 echo ' vmlinuz.bin - Raw binary zboot image'
>> 405 echo ' vmlinuz.srec - SREC zboot image'
>> 406 echo ' uImage - U-Boot image'
>> 407 echo ' uImage.bin - U-Boot image (uncompressed)'
>> 408 echo ' uImage.bz2 - U-Boot image (bz2)'
>> 409 echo ' uImage.gz - U-Boot image (gzip)'
>> 410 echo ' uImage.lzma - U-Boot image (lzma)'
>> 411 echo ' uImage.lzo - U-Boot image (lzo)'
>> 412 echo ' dtbs - Device-tree blobs for enabled boards'
>> 413 echo ' dtbs_install - Install dtbs to $(INSTALL_DTBS_PATH)'
>> 414 echo
>> 415 echo ' These will be default as appropriate for a configured platform.'
246 endef 416 endef
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