1 # SPDX-License-Identifier: GPL-2.0 <<
2 # 1 #
3 # Author: Huacai Chen <chenhuacai@loongson.cn> !! 2 # This file is subject to the terms and conditions of the GNU General Public
4 # Copyright (C) 2020-2022 Loongson Technology !! 3 # License. See the file "COPYING" in the main directory of this archive
5 !! 4 # for more details.
6 boot := arch/loongarch/boot !! 5 #
7 !! 6 # Copyright (C) 1994, 95, 96, 2003 by Ralf Baechle
8 KBUILD_DEFCONFIG := loongson3_defconfig !! 7 # DECStation modifications by Paul M. Antoine, 1996
9 KBUILD_DTBS := dtbs !! 8 # Copyright (C) 2002, 2003, 2004 Maciej W. Rozycki
10 !! 9 #
11 image-name-y := vmlinux !! 10 # This file is included by the global makefile so that you can add your own
12 image-name-$(CONFIG_EFI_ZBOOT) := vmlinuz !! 11 # architecture-specific flags and dependencies. Remember to do have actions
>> 12 # for "archclean" cleaning up for this architecture.
>> 13 #
13 14
14 ifndef CONFIG_EFI_STUB !! 15 KBUILD_DEFCONFIG := ip22_defconfig
15 KBUILD_IMAGE := $(boot)/vmlinux.elf <<
16 else <<
17 KBUILD_IMAGE := $(boot)/$(image-name-y).efi <<
18 endif <<
19 16
20 # 17 #
21 # Select the object file format to substitute 18 # Select the object file format to substitute into the linker script.
22 # 19 #
23 64bit-tool-archpref = loongarch64 !! 20 ifdef CONFIG_CPU_LITTLE_ENDIAN
24 32bit-bfd = elf32-loongarch !! 21 32bit-tool-archpref = mipsel
25 64bit-bfd = elf64-loongarch !! 22 64bit-tool-archpref = mips64el
26 32bit-emul = elf32loongarch !! 23 32bit-bfd = elf32-tradlittlemips
27 64bit-emul = elf64loongarch !! 24 64bit-bfd = elf64-tradlittlemips
28 !! 25 32bit-emul = elf32ltsmip
29 CC_FLAGS_FPU := -mfpu=64 !! 26 64bit-emul = elf64ltsmip
30 CC_FLAGS_NO_FPU := -msoft-float !! 27 else
31 !! 28 32bit-tool-archpref = mips
32 ifdef CONFIG_UNWINDER_ORC !! 29 64bit-tool-archpref = mips64
33 orc_hash_h := arch/$(SRCARCH)/include/generate !! 30 32bit-bfd = elf32-tradbigmips
34 orc_hash_sh := $(srctree)/scripts/orc_hash.sh !! 31 64bit-bfd = elf64-tradbigmips
35 targets += $(orc_hash_h) !! 32 32bit-emul = elf32btsmip
36 quiet_cmd_orc_hash = GEN $@ !! 33 64bit-emul = elf64btsmip
37 cmd_orc_hash = mkdir -p $(dir $@); \ <<
38 $(CONFIG_SHELL) $(orc_has <<
39 $(orc_hash_h): $(srctree)/arch/loongarch/inclu <<
40 $(call if_changed,orc_hash) <<
41 archprepare: $(orc_hash_h) <<
42 endif <<
43 <<
44 ifdef CONFIG_DYNAMIC_FTRACE <<
45 KBUILD_CPPFLAGS += -DCC_USING_PATCHABLE_FUNCTI <<
46 CC_FLAGS_FTRACE := -fpatchable-function-entry= <<
47 endif 34 endif
48 35
>> 36 ifdef CONFIG_32BIT
>> 37 tool-archpref = $(32bit-tool-archpref)
>> 38 UTS_MACHINE := mips
>> 39 endif
49 ifdef CONFIG_64BIT 40 ifdef CONFIG_64BIT
50 tool-archpref = $(64bit-tool-archpre 41 tool-archpref = $(64bit-tool-archpref)
51 UTS_MACHINE := loongarch64 !! 42 UTS_MACHINE := mips64
52 endif 43 endif
53 44
54 ifneq ($(SUBARCH),$(ARCH)) 45 ifneq ($(SUBARCH),$(ARCH))
55 ifeq ($(CROSS_COMPILE),) 46 ifeq ($(CROSS_COMPILE),)
56 CROSS_COMPILE := $(call cc-cross-prefix, $ 47 CROSS_COMPILE := $(call cc-cross-prefix, $(tool-archpref)-linux- $(tool-archpref)-linux-gnu- $(tool-archpref)-unknown-linux-gnu-)
57 endif 48 endif
58 endif 49 endif
59 50
>> 51 ifdef CONFIG_FUNCTION_GRAPH_TRACER
>> 52 ifndef KBUILD_MCOUNT_RA_ADDRESS
>> 53 ifeq ($(call cc-option-yn,-mmcount-ra-address), y)
>> 54 cflags-y += -mmcount-ra-address -DKBUILD_MCOUNT_RA_ADDRESS
>> 55 endif
>> 56 endif
>> 57 endif
>> 58 cflags-y += $(call cc-option, -mno-check-zero-division)
>> 59
>> 60 ifdef CONFIG_32BIT
>> 61 ld-emul = $(32bit-emul)
>> 62 vmlinux-32 = vmlinux
>> 63 vmlinux-64 = vmlinux.64
>> 64
>> 65 cflags-y += -mabi=32
>> 66 endif
>> 67
60 ifdef CONFIG_64BIT 68 ifdef CONFIG_64BIT
61 ld-emul = $(64bit-emul) 69 ld-emul = $(64bit-emul)
62 cflags-y += -mabi=lp64s !! 70 vmlinux-32 = vmlinux.32
>> 71 vmlinux-64 = vmlinux
>> 72
>> 73 cflags-y += -mabi=64
>> 74 endif
>> 75
>> 76 all-$(CONFIG_BOOT_ELF32) := $(vmlinux-32)
>> 77 all-$(CONFIG_BOOT_ELF64) := $(vmlinux-64)
>> 78 all-$(CONFIG_SYS_SUPPORTS_ZBOOT)+= vmlinuz
>> 79
>> 80 #
>> 81 # GCC uses -G 0 -mabicalls -fpic as default. We don't want PIC in the kernel
>> 82 # code since it only slows down the whole thing. At some point we might make
>> 83 # use of global pointer optimizations but their use of $28 conflicts with
>> 84 # the current pointer optimization.
>> 85 #
>> 86 # The DECStation requires an ECOFF kernel for remote booting, other MIPS
>> 87 # machines may also. Since BFD is incredibly buggy with respect to
>> 88 # crossformat linking we rely on the elf2ecoff tool for format conversion.
>> 89 #
>> 90 cflags-y += -G 0 -mno-abicalls -fno-pic -pipe
>> 91 cflags-y += -msoft-float
>> 92 LDFLAGS_vmlinux += -G 0 -static -n -nostdlib
>> 93 KBUILD_AFLAGS_MODULE += -mlong-calls
>> 94 KBUILD_CFLAGS_MODULE += -mlong-calls
>> 95
>> 96 #
>> 97 # pass -msoft-float to GAS if it supports it. However on newer binutils
>> 98 # (specifically newer than 2.24.51.20140728) we then also need to explicitly
>> 99 # set ".set hardfloat" in all files which manipulate floating point registers.
>> 100 #
>> 101 ifneq ($(call as-option,-Wa$(comma)-msoft-float,),)
>> 102 cflags-y += -DGAS_HAS_SET_HARDFLOAT -Wa,-msoft-float
>> 103 endif
>> 104
>> 105 cflags-y += -ffreestanding
>> 106
>> 107 #
>> 108 # We explicitly add the endianness specifier if needed, this allows
>> 109 # to compile kernels with a toolchain for the other endianness. We
>> 110 # carefully avoid to add it redundantly because gcc 3.3/3.4 complains
>> 111 # when fed the toolchain default!
>> 112 #
>> 113 # Certain gcc versions up to gcc 4.1.1 (probably 4.2-subversion as of
>> 114 # 2006-10-10 don't properly change the predefined symbols if -EB / -EL
>> 115 # are used, so we kludge that here. A bug has been filed at
>> 116 # http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29413.
>> 117 #
>> 118 undef-all += -UMIPSEB -U_MIPSEB -U__MIPSEB -U__MIPSEB__
>> 119 undef-all += -UMIPSEL -U_MIPSEL -U__MIPSEL -U__MIPSEL__
>> 120 predef-be += -DMIPSEB -D_MIPSEB -D__MIPSEB -D__MIPSEB__
>> 121 predef-le += -DMIPSEL -D_MIPSEL -D__MIPSEL -D__MIPSEL__
>> 122 cflags-$(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
63 endif 205 endif
64 206
65 cflags-y += -pipe $(CC_ !! 207 #
66 LDFLAGS_vmlinux += -static -n !! 208 # Firmware support
>> 209 #
>> 210 libs-$(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/
67 214
68 # When the assembler supports explicit relocat !! 215 #
69 # GCC may have -mexplicit-relocs off by defaul !! 216 # Kernel compression
70 # assembler, so we force it via an option. !! 217 #
71 # !! 218 ifdef SYS_SUPPORTS_ZBOOT
72 # When the assembler does not supports explici !! 219 COMPRESSION_FNAME = vmlinuz
73 # it. Disable it if the compiler supports it. <<
74 # <<
75 # The combination of a "new" assembler and "ol <<
76 # the rarity of this combo and the extra compl <<
77 # Either upgrade the compiler or downgrade the <<
78 # out if it is the case (by probing for the mo <<
79 # compilers in this case would have support). <<
80 # <<
81 # Also, -mdirect-extern-access is useful in ca <<
82 # relocs, for avoiding unnecessary GOT accesse <<
83 # support though. <<
84 ifdef CONFIG_AS_HAS_EXPLICIT_RELOCS <<
85 cflags-y += $(call cc-o <<
86 KBUILD_CFLAGS_KERNEL += $(call cc-o <<
87 KBUILD_CFLAGS_KERNEL += $(call cc-o <<
88 KBUILD_AFLAGS_MODULE += $(call cc-o <<
89 KBUILD_CFLAGS_MODULE += $(call cc-o <<
90 else 220 else
91 cflags-y += $(call cc-o !! 221 COMPRESSION_FNAME = vmlinux
92 KBUILD_AFLAGS_KERNEL += -Wa,-mla-gl <<
93 KBUILD_CFLAGS_KERNEL += -Wa,-mla-gl <<
94 KBUILD_AFLAGS_MODULE += -Wa,-mla-gl <<
95 KBUILD_CFLAGS_MODULE += -fplt -Wa,- <<
96 endif <<
97 <<
98 KBUILD_AFLAGS += $(call cc-o <<
99 KBUILD_CFLAGS += $(call cc-o <<
100 KBUILD_AFLAGS += $(call cc-o <<
101 KBUILD_CFLAGS += $(call cc-o <<
102 <<
103 ifdef CONFIG_OBJTOOL <<
104 KBUILD_CFLAGS += -fno-jump-t <<
105 endif <<
106 <<
107 KBUILD_RUSTFLAGS += --target=lo <<
108 KBUILD_RUSTFLAGS_KERNEL += -Zdirect-ac <<
109 KBUILD_RUSTFLAGS_MODULE += -Zdirect-ac <<
110 <<
111 ifeq ($(CONFIG_RELOCATABLE),y) <<
112 KBUILD_CFLAGS_KERNEL += -fPIE <<
113 KBUILD_RUSTFLAGS_KERNEL += -Crelocatio <<
114 LDFLAGS_vmlinux += -static -pi <<
115 endif 222 endif
116 223
117 cflags-y += $(call cc-option, -mno-check-zero- !! 224 #
>> 225 # Board-dependent options and extra files
>> 226 #
>> 227 include arch/mips/Kbuild.platforms
118 228
119 ifndef CONFIG_KASAN !! 229 ifdef CONFIG_PHYSICAL_START
120 cflags-y += -fno-builtin-memcpy -fno-builtin-m !! 230 load-y = $(CONFIG_PHYSICAL_START)
121 endif 231 endif
>> 232 entry-y = 0x$(shell $(NM) vmlinux 2>/dev/null \
>> 233 | grep "\bkernel_entry\b" | cut -f1 -d \ )
122 234
123 load-y = 0x9000000000200000 !! 235 cflags-y += -I$(srctree)/arch/mips/include/asm/mach-generic
124 bootvars-y = VMLINUX_LOAD_ADDRESS=$(load- !! 236 drivers-$(CONFIG_PCI) += arch/mips/pci/
125 237
126 drivers-$(CONFIG_PCI) += arch/loonga !! 238 #
>> 239 # Automatically detect the build format. By default we choose
>> 240 # the elf format according to the load address.
>> 241 # We can always force a build with a 64-bits symbol format by
>> 242 # passing 'KBUILD_SYM32=no' option to the make's command line.
>> 243 #
>> 244 ifdef CONFIG_64BIT
>> 245 ifndef KBUILD_SYM32
>> 246 ifeq ($(shell expr $(load-y) \< 0xffffffff80000000), 0)
>> 247 KBUILD_SYM32 = y
>> 248 endif
>> 249 endif
>> 250
>> 251 ifeq ($(KBUILD_SYM32)$(call cc-option-yn,-msym32), yy)
>> 252 cflags-y += -msym32 -DKBUILD_64BIT_SYM32
>> 253 else
>> 254 ifeq ($(CONFIG_CPU_DADDI_WORKAROUNDS), y)
>> 255 $(error CONFIG_CPU_DADDI_WORKAROUNDS unsupported without -msym32)
>> 256 endif
>> 257 endif
>> 258 endif
127 259
128 KBUILD_AFLAGS += $(cflags-y) 260 KBUILD_AFLAGS += $(cflags-y)
129 KBUILD_CFLAGS += $(cflags-y) 261 KBUILD_CFLAGS += $(cflags-y)
130 KBUILD_CPPFLAGS += -DVMLINUX_LOAD_ADDRESS=$(lo 262 KBUILD_CPPFLAGS += -DVMLINUX_LOAD_ADDRESS=$(load-y)
>> 263 KBUILD_CPPFLAGS += -DDATAOFFSET=$(if $(dataoffset-y),$(dataoffset-y),0)
131 264
132 # This is required to get dwarf unwinding tabl !! 265 bootvars-y = VMLINUX_LOAD_ADDRESS=$(load-y) \
133 # instead of .eh_frame so we don't discard the !! 266 VMLINUX_ENTRY_ADDRESS=$(entry-y)
134 KBUILD_CFLAGS += -fno-asynchronous-unwind-tabl <<
135 <<
136 ifdef CONFIG_ARCH_STRICT_ALIGN <<
137 # Don't emit unaligned accesses. <<
138 # Not all LoongArch cores support unaligned ac <<
139 # rely on others to provide emulation for thes <<
140 KBUILD_CFLAGS += $(call cc-option,-mstrict-ali <<
141 else <<
142 # Optimise for performance on hardware support <<
143 KBUILD_CFLAGS += $(call cc-option,-mno-strict- <<
144 endif <<
145 267
146 KBUILD_CFLAGS += -isystem $(shell $(CC) -print !! 268 LDFLAGS += -m $(ld-emul)
147 269
148 KBUILD_LDFLAGS += -m $(ld-emul) !! 270 ifdef CONFIG_MIPS
149 !! 271 CHECKFLAGS += $(shell $(CC) $(KBUILD_CFLAGS) -dM -E -x c /dev/null | \
150 ifdef need-compiler !! 272 egrep -vw '__GNUC_(MINOR_|PATCHLEVEL_)?_' | \
151 CHECKFLAGS += $(shell $(CC) $(KBUILD_CPPFLAGS) <<
152 grep -E -vw '__GNUC_(MINOR_|PATCHLEVEL <<
153 sed -e "s/^\#define /-D'/" -e "s/ /'=' 273 sed -e "s/^\#define /-D'/" -e "s/ /'='/" -e "s/$$/'/" -e 's/\$$/&&/g')
>> 274 ifdef CONFIG_64BIT
>> 275 CHECKFLAGS += -m64
154 endif 276 endif
>> 277 endif
>> 278
>> 279 OBJCOPYFLAGS += --remove-section=.reginfo
>> 280
>> 281 head-y := arch/mips/kernel/head.o
155 282
156 libs-y += arch/loongarch/lib/ !! 283 libs-y += arch/mips/lib/
157 libs-$(CONFIG_EFI_STUB) += $(objtree)/drivers/ !! 284 libs-y += arch/mips/math-emu/
158 285
159 drivers-y += arch/loongarch/cryp !! 286 # See arch/mips/Kbuild for content of core part of the kernel
>> 287 core-y += arch/mips/
>> 288
>> 289 drivers-$(CONFIG_OPROFILE) += arch/mips/oprofile/
160 290
161 # suspend and hibernation support 291 # suspend and hibernation support
162 drivers-$(CONFIG_PM) += arch/loongarch/powe !! 292 drivers-$(CONFIG_PM) += arch/mips/power/
163 293
164 ifeq ($(KBUILD_EXTMOD),) !! 294 # boot image targets (arch/mips/boot/)
165 prepare: vdso_prepare !! 295 boot-y := vmlinux.bin
166 vdso_prepare: prepare0 !! 296 boot-y += vmlinux.ecoff
167 $(Q)$(MAKE) $(build)=arch/loongarch/vd !! 297 boot-y += vmlinux.srec
>> 298 ifeq ($(shell expr $(load-y) \< 0xffffffff80000000 2> /dev/null), 0)
>> 299 boot-y += uImage
>> 300 boot-y += uImage.bin
>> 301 boot-y += uImage.bz2
>> 302 boot-y += uImage.gz
>> 303 boot-y += uImage.lzma
>> 304 boot-y += uImage.lzo
>> 305 endif
>> 306
>> 307 # compressed boot image targets (arch/mips/boot/compressed/)
>> 308 bootz-y := vmlinuz
>> 309 bootz-y += vmlinuz.bin
>> 310 bootz-y += vmlinuz.ecoff
>> 311 bootz-y += vmlinuz.srec
>> 312
>> 313 ifdef CONFIG_LASAT
>> 314 rom.bin rom.sw: vmlinux
>> 315 $(Q)$(MAKE) $(build)=arch/mips/lasat/image \
>> 316 $(bootvars-y) $@
168 endif 317 endif
169 318
170 vdso-install-y += arch/loongarch/vdso/vdso.so. !! 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)
171 328
172 all: $(notdir $(KBUILD_IMAGE)) $(KBUILD_DTB !! 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
>> 354 endif
173 355
174 vmlinuz.efi: vmlinux.efi <<
175 356
176 vmlinux.elf vmlinux.efi vmlinuz.efi: vmlinux !! 357 CLEAN_FILES += vmlinux.32 vmlinux.64
177 $(Q)$(MAKE) $(build)=$(boot) $(bootvar !! 358
>> 359 # device-trees
>> 360 core-$(CONFIG_BUILTIN_DTB) += arch/mips/boot/dts/
>> 361
>> 362 %.dtb %.dtb.S %.dtb.o: | scripts
>> 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
178 382
179 install: 383 install:
180 $(Q)install -D -m 755 $(KBUILD_IMAGE) !! 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
181 $(Q)install -D -m 644 .config $(INSTAL 388 $(Q)install -D -m 644 .config $(INSTALL_PATH)/config-$(KERNELRELEASE)
182 $(Q)install -D -m 644 System.map $(INS 389 $(Q)install -D -m 644 System.map $(INSTALL_PATH)/System.map-$(KERNELRELEASE)
183 390
>> 391 archclean:
>> 392 $(Q)$(MAKE) $(clean)=arch/mips/boot
>> 393 $(Q)$(MAKE) $(clean)=arch/mips/boot/compressed
>> 394 $(Q)$(MAKE) $(clean)=arch/mips/lasat
>> 395
184 define archhelp 396 define archhelp
185 echo ' install - install 397 echo ' install - install kernel into $(INSTALL_PATH)'
>> 398 echo ' vmlinux.ecoff - ECOFF boot image'
>> 399 echo ' vmlinux.bin - Raw binary boot image'
>> 400 echo ' vmlinux.srec - SREC boot image'
>> 401 echo ' vmlinux.32 - 64-bit boot image wrapped in 32bits (IP22/IP32)'
>> 402 echo ' vmlinuz - Compressed boot(zboot) image'
>> 403 echo ' vmlinuz.ecoff - ECOFF zboot image'
>> 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)'
186 echo 414 echo
>> 415 echo ' These will be default as appropriate for a configured platform.'
187 endef 416 endef
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