1 # 1 #
2 # This file is subject to the terms and condit 2 # This file is subject to the terms and conditions of the GNU General Public
3 # License. See the file "COPYING" in the main 3 # License. See the file "COPYING" in the main directory of this archive
4 # for more details. 4 # for more details.
5 # 5 #
6 # Copyright (C) 1994, 95, 96, 2003 by Ralf Bae 6 # Copyright (C) 1994, 95, 96, 2003 by Ralf Baechle
7 # DECStation modifications by Paul M. Antoine, 7 # DECStation modifications by Paul M. Antoine, 1996
8 # Copyright (C) 2002, 2003, 2004 Maciej W. Ro 8 # Copyright (C) 2002, 2003, 2004 Maciej W. Rozycki
9 # 9 #
10 # This file is included by the global makefile 10 # This file is included by the global makefile so that you can add your own
11 # architecture-specific flags and dependencies 11 # architecture-specific flags and dependencies.
12 # 12 #
13 13
14 archscripts: scripts_basic 14 archscripts: scripts_basic
15 $(Q)$(MAKE) $(build)=arch/mips/tools e 15 $(Q)$(MAKE) $(build)=arch/mips/tools elf-entry
16 ifeq ($(CONFIG_CPU_LOONGSON3_WORKAROUNDS),y) 16 ifeq ($(CONFIG_CPU_LOONGSON3_WORKAROUNDS),y)
17 $(Q)$(MAKE) $(build)=arch/mips/tools l 17 $(Q)$(MAKE) $(build)=arch/mips/tools loongson3-llsc-check
18 endif 18 endif
19 $(Q)$(MAKE) $(build)=arch/mips/boot/to 19 $(Q)$(MAKE) $(build)=arch/mips/boot/tools relocs
20 20
21 KBUILD_DEFCONFIG := 32r2el_defconfig 21 KBUILD_DEFCONFIG := 32r2el_defconfig
22 KBUILD_DTBS := dtbs 22 KBUILD_DTBS := dtbs
23 23
24 # 24 #
25 # Select the object file format to substitute 25 # Select the object file format to substitute into the linker script.
26 # 26 #
27 ifdef CONFIG_CPU_LITTLE_ENDIAN 27 ifdef CONFIG_CPU_LITTLE_ENDIAN
28 32bit-tool-archpref = mipsel 28 32bit-tool-archpref = mipsel
29 64bit-tool-archpref = mips64el 29 64bit-tool-archpref = mips64el
30 32bit-bfd = elf32-tradlittlemips 30 32bit-bfd = elf32-tradlittlemips
31 64bit-bfd = elf64-tradlittlemips 31 64bit-bfd = elf64-tradlittlemips
32 32bit-emul = elf32ltsmip 32 32bit-emul = elf32ltsmip
33 64bit-emul = elf64ltsmip 33 64bit-emul = elf64ltsmip
34 else 34 else
35 32bit-tool-archpref = mips 35 32bit-tool-archpref = mips
36 64bit-tool-archpref = mips64 36 64bit-tool-archpref = mips64
37 32bit-bfd = elf32-tradbigmips 37 32bit-bfd = elf32-tradbigmips
38 64bit-bfd = elf64-tradbigmips 38 64bit-bfd = elf64-tradbigmips
39 32bit-emul = elf32btsmip 39 32bit-emul = elf32btsmip
40 64bit-emul = elf64btsmip 40 64bit-emul = elf64btsmip
41 endif 41 endif
42 42
43 ifdef CONFIG_32BIT 43 ifdef CONFIG_32BIT
44 tool-archpref = $(32bit-tool-archpre 44 tool-archpref = $(32bit-tool-archpref)
45 UTS_MACHINE := mips 45 UTS_MACHINE := mips
46 endif 46 endif
47 ifdef CONFIG_64BIT 47 ifdef CONFIG_64BIT
48 tool-archpref = $(64bit-tool-archpre 48 tool-archpref = $(64bit-tool-archpref)
49 UTS_MACHINE := mips64 49 UTS_MACHINE := mips64
50 endif 50 endif
51 51
52 ifdef cross_compiling 52 ifdef cross_compiling
53 ifeq ($(CROSS_COMPILE),) 53 ifeq ($(CROSS_COMPILE),)
54 CROSS_COMPILE := $(call cc-cross-prefix, $ 54 CROSS_COMPILE := $(call cc-cross-prefix, $(tool-archpref)-linux- $(tool-archpref)-linux-gnu- $(tool-archpref)-unknown-linux-gnu-)
55 endif 55 endif
56 endif 56 endif
57 57
58 ifdef CONFIG_FUNCTION_GRAPH_TRACER 58 ifdef CONFIG_FUNCTION_GRAPH_TRACER
59 ifndef KBUILD_MCOUNT_RA_ADDRESS 59 ifndef KBUILD_MCOUNT_RA_ADDRESS
60 ifeq ($(call cc-option-yn,-mmcount-ra-addr 60 ifeq ($(call cc-option-yn,-mmcount-ra-address), y)
61 cflags-y += -mmcount-ra-address -DKBUILD 61 cflags-y += -mmcount-ra-address -DKBUILD_MCOUNT_RA_ADDRESS
62 endif 62 endif
63 endif 63 endif
64 endif 64 endif
65 cflags-y += $(call cc-option, -mno-check-zero- 65 cflags-y += $(call cc-option, -mno-check-zero-division)
66 66
67 ifdef CONFIG_32BIT 67 ifdef CONFIG_32BIT
68 ld-emul = $(32bit-emul) 68 ld-emul = $(32bit-emul)
69 vmlinux-32 = vmlinux 69 vmlinux-32 = vmlinux
70 vmlinux-64 = vmlinux.64 70 vmlinux-64 = vmlinux.64
71 71
72 cflags-y += -mabi=32 72 cflags-y += -mabi=32
73 endif 73 endif
74 74
75 ifdef CONFIG_64BIT 75 ifdef CONFIG_64BIT
76 ld-emul = $(64bit-emul) 76 ld-emul = $(64bit-emul)
77 vmlinux-32 = vmlinux.32 77 vmlinux-32 = vmlinux.32
78 vmlinux-64 = vmlinux 78 vmlinux-64 = vmlinux
79 79
80 cflags-y += -mabi=64 80 cflags-y += -mabi=64
81 endif 81 endif
82 82
83 all-$(CONFIG_BOOT_ELF32) := $(vmlinux-3 83 all-$(CONFIG_BOOT_ELF32) := $(vmlinux-32)
84 all-$(CONFIG_BOOT_ELF64) := $(vmlinux-6 84 all-$(CONFIG_BOOT_ELF64) := $(vmlinux-64)
85 all-$(CONFIG_SYS_SUPPORTS_ZBOOT)+= vmlinuz 85 all-$(CONFIG_SYS_SUPPORTS_ZBOOT)+= vmlinuz
86 86
87 # 87 #
88 # GCC uses -G 0 -mabicalls -fpic as default. 88 # GCC uses -G 0 -mabicalls -fpic as default. We don't want PIC in the kernel
89 # code since it only slows down the whole thin 89 # code since it only slows down the whole thing. At some point we might make
90 # use of global pointer optimizations but thei 90 # use of global pointer optimizations but their use of $28 conflicts with
91 # the current pointer optimization. 91 # the current pointer optimization.
92 # 92 #
93 # The DECStation requires an ECOFF kernel for 93 # The DECStation requires an ECOFF kernel for remote booting, other MIPS
94 # machines may also. Since BFD is incredibly 94 # machines may also. Since BFD is incredibly buggy with respect to
95 # crossformat linking we rely on the elf2ecoff 95 # crossformat linking we rely on the elf2ecoff tool for format conversion.
96 # 96 #
97 cflags-y += -G 0 -mno-a 97 cflags-y += -G 0 -mno-abicalls -fno-pic -pipe
98 cflags-y += -msoft-floa 98 cflags-y += -msoft-float -Wa,-msoft-float
99 LDFLAGS_vmlinux += -G 0 -stati 99 LDFLAGS_vmlinux += -G 0 -static -n -nostdlib
100 KBUILD_AFLAGS_MODULE += -mlong-call 100 KBUILD_AFLAGS_MODULE += -mlong-calls
101 KBUILD_CFLAGS_MODULE += -mlong-call 101 KBUILD_CFLAGS_MODULE += -mlong-calls
102 102
103 ifeq ($(CONFIG_RELOCATABLE),y) 103 ifeq ($(CONFIG_RELOCATABLE),y)
104 LDFLAGS_vmlinux += --emit-relo 104 LDFLAGS_vmlinux += --emit-relocs
105 endif 105 endif
106 106
107 cflags-y += -ffreestanding 107 cflags-y += -ffreestanding
108 108
109 cflags-$(CONFIG_CPU_BIG_ENDIAN) += -EB 109 cflags-$(CONFIG_CPU_BIG_ENDIAN) += -EB
110 cflags-$(CONFIG_CPU_LITTLE_ENDIAN) += -EL 110 cflags-$(CONFIG_CPU_LITTLE_ENDIAN) += -EL
111 111
112 cflags-$(CONFIG_SB1XXX_CORELIS) += $(call cc-o 112 cflags-$(CONFIG_SB1XXX_CORELIS) += $(call cc-option,-mno-sched-prolog) \
113 -fno-omit-f 113 -fno-omit-frame-pointer
114 114
115 # Some distribution-specific toolchains might 115 # Some distribution-specific toolchains might pass the -fstack-check
116 # option during the build, which adds a simple 116 # option during the build, which adds a simple stack-probe at the beginning
117 # of every function. This stack probe is to e 117 # of every function. This stack probe is to ensure that there is enough
118 # stack space, else a SEGV is generated. This 118 # stack space, else a SEGV is generated. This is not desirable for MIPS
119 # as kernel stacks are small, placed in unmapp 119 # as kernel stacks are small, placed in unmapped virtual memory, and do not
120 # grow when overflowed. Especially on SGI IP2 120 # grow when overflowed. Especially on SGI IP27 platforms, this check will
121 # lead to a NULL pointer dereference in _raw_s 121 # lead to a NULL pointer dereference in _raw_spin_lock_irq.
122 # 122 #
123 # In disassembly, this stack probe appears at 123 # In disassembly, this stack probe appears at the top of a function as:
124 # sd zero,<offset>(sp) 124 # sd zero,<offset>(sp)
125 # Where <offset> is a negative value. 125 # Where <offset> is a negative value.
126 # 126 #
127 cflags-y += -fno-stack-check 127 cflags-y += -fno-stack-check
128 128
129 # binutils from v2.35 when built with --enable 129 # binutils from v2.35 when built with --enable-mips-fix-loongson3-llsc=yes,
130 # supports an -mfix-loongson3-llsc flag which 130 # supports an -mfix-loongson3-llsc flag which emits a sync prior to each ll
131 # instruction to work around a CPU bug (see __ 131 # instruction to work around a CPU bug (see __SYNC_loongson3_war in asm/sync.h
132 # for a description). 132 # for a description).
133 # 133 #
134 # We disable this in order to prevent the asse 134 # We disable this in order to prevent the assembler meddling with the
135 # instruction that labels refer to, ie. if we 135 # instruction that labels refer to, ie. if we label an ll instruction:
136 # 136 #
137 # 1: ll v0, 0(a0) 137 # 1: ll v0, 0(a0)
138 # 138 #
139 # ...then with the assembler fix applied the l 139 # ...then with the assembler fix applied the label may actually point at a sync
140 # instruction inserted by the assembler, and i 140 # instruction inserted by the assembler, and if we were using the label in an
141 # exception table the table would no longer co 141 # exception table the table would no longer contain the address of the ll
142 # instruction. 142 # instruction.
143 # 143 #
144 # Avoid this by explicitly disabling that asse 144 # Avoid this by explicitly disabling that assembler behaviour.
145 # 145 #
146 cflags-y += $(call cc-option,-Wa$(comma)-mno-f 146 cflags-y += $(call cc-option,-Wa$(comma)-mno-fix-loongson3-llsc,)
147 147
148 # 148 #
149 # CPU-dependent compiler/assembler options for 149 # CPU-dependent compiler/assembler options for optimization.
150 # 150 #
151 cflags-$(CONFIG_CPU_R3000) += $(call cc-o !! 151 cflags-$(CONFIG_CPU_R3000) += -march=r3000
152 cflags-$(CONFIG_CPU_R4300) += $(call cc-o !! 152 cflags-$(CONFIG_CPU_R4300) += -march=r4300 -Wa,--trap
153 cflags-$(CONFIG_CPU_R4X00) += $(call cc-o !! 153 cflags-$(CONFIG_CPU_R4X00) += -march=r4600 -Wa,--trap
154 cflags-$(CONFIG_CPU_TX49XX) += $(call cc-o !! 154 cflags-$(CONFIG_CPU_TX49XX) += -march=r4600 -Wa,--trap
155 cflags-$(CONFIG_CPU_MIPS32_R1) += -march=mips 155 cflags-$(CONFIG_CPU_MIPS32_R1) += -march=mips32 -Wa,--trap
156 cflags-$(CONFIG_CPU_MIPS32_R2) += -march=mips 156 cflags-$(CONFIG_CPU_MIPS32_R2) += -march=mips32r2 -Wa,--trap
157 cflags-$(CONFIG_CPU_MIPS32_R5) += -march=mips 157 cflags-$(CONFIG_CPU_MIPS32_R5) += -march=mips32r5 -Wa,--trap -modd-spreg
158 cflags-$(CONFIG_CPU_MIPS32_R6) += -march=mips 158 cflags-$(CONFIG_CPU_MIPS32_R6) += -march=mips32r6 -Wa,--trap -modd-spreg
159 cflags-$(CONFIG_CPU_MIPS64_R1) += -march=mips 159 cflags-$(CONFIG_CPU_MIPS64_R1) += -march=mips64 -Wa,--trap
160 cflags-$(CONFIG_CPU_MIPS64_R2) += -march=mips 160 cflags-$(CONFIG_CPU_MIPS64_R2) += -march=mips64r2 -Wa,--trap
161 cflags-$(CONFIG_CPU_MIPS64_R5) += -march=mips 161 cflags-$(CONFIG_CPU_MIPS64_R5) += -march=mips64r5 -Wa,--trap
162 cflags-$(CONFIG_CPU_MIPS64_R6) += -march=mips 162 cflags-$(CONFIG_CPU_MIPS64_R6) += -march=mips64r6 -Wa,--trap
163 cflags-$(CONFIG_CPU_P5600) += $(call cc-o !! 163 cflags-$(CONFIG_CPU_P5600) += -march=p5600 -Wa,--trap -modd-spreg
164 -Wa,--trap -modd-spreg !! 164 cflags-$(CONFIG_CPU_R5000) += -march=r5000 -Wa,--trap
165 cflags-$(CONFIG_CPU_R5000) += $(call cc-o !! 165 cflags-$(CONFIG_CPU_R5500) += $(call cc-option,-march=r5500,-march=r5000) \
166 -Wa,--trap 166 -Wa,--trap
167 cflags-$(CONFIG_CPU_R5500) += $(call cc-o !! 167 cflags-$(CONFIG_CPU_NEVADA) += $(call cc-option,-march=rm5200,-march=r5000) \
168 -Wa,--trap 168 -Wa,--trap
169 cflags-$(CONFIG_CPU_NEVADA) += $(call cc-o !! 169 cflags-$(CONFIG_CPU_RM7000) += $(call cc-option,-march=rm7000,-march=r5000) \
170 -Wa,--trap 170 -Wa,--trap
171 cflags-$(CONFIG_CPU_RM7000) += $(call cc-o !! 171 cflags-$(CONFIG_CPU_SB1) += $(call cc-option,-march=sb1,-march=r5000) \
172 -Wa,--trap <<
173 cflags-$(CONFIG_CPU_SB1) += $(call cc-o <<
174 -Wa,--trap 172 -Wa,--trap
175 cflags-$(CONFIG_CPU_SB1) += $(call cc-o 173 cflags-$(CONFIG_CPU_SB1) += $(call cc-option,-mno-mdmx)
176 cflags-$(CONFIG_CPU_SB1) += $(call cc-o 174 cflags-$(CONFIG_CPU_SB1) += $(call cc-option,-mno-mips3d)
177 cflags-$(CONFIG_CPU_R10000) += $(call cc-o !! 175 cflags-$(CONFIG_CPU_R10000) += $(call cc-option,-march=r10000,-march=r8000) \
178 -Wa,--trap 176 -Wa,--trap
179 cflags-$(CONFIG_CPU_CAVIUM_OCTEON) += -march=o !! 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-$(CONFIG_CPU_CAVIUM_OCTEON) += -Wa,-march=octeon
>> 180 endif
180 cflags-$(CONFIG_CAVIUM_CN63XXP1) += -Wa,-mfix- 181 cflags-$(CONFIG_CAVIUM_CN63XXP1) += -Wa,-mfix-cn63xxp1
181 cflags-$(CONFIG_CPU_BMIPS) += -march=mips !! 182 cflags-$(CONFIG_CPU_BMIPS) += -march=mips32 -Wa,-mips32 -Wa,--trap
182 183
183 cflags-$(CONFIG_CPU_LOONGSON2E) += \ !! 184 cflags-$(CONFIG_CPU_LOONGSON2E) += -march=loongson2e -Wa,--trap
184 $(call cc-option,-marc !! 185 cflags-$(CONFIG_CPU_LOONGSON2F) += -march=loongson2f -Wa,--trap
185 cflags-$(CONFIG_CPU_LOONGSON2F) += \ <<
186 $(call cc-option,-marc <<
187 # Some -march= flags enable MMI instructions, 186 # Some -march= flags enable MMI instructions, and GCC complains about that
188 # support being enabled alongside -msoft-float 187 # support being enabled alongside -msoft-float. Thus explicitly disable MMI.
189 cflags-$(CONFIG_CPU_LOONGSON2EF) += $(call cc- 188 cflags-$(CONFIG_CPU_LOONGSON2EF) += $(call cc-option,-mno-loongson-mmi)
190 cflags-$(CONFIG_CPU_LOONGSON64) += \ !! 189 ifdef CONFIG_CPU_LOONGSON64
191 $(call cc-option,-marc !! 190 cflags-$(CONFIG_CPU_LOONGSON64) += -Wa,--trap
>> 191 cflags-$(CONFIG_CC_IS_GCC) += -march=loongson3a
>> 192 cflags-$(CONFIG_CC_IS_CLANG) += -march=mips64r2
>> 193 endif
192 cflags-$(CONFIG_CPU_LOONGSON64) += $(call cc-o 194 cflags-$(CONFIG_CPU_LOONGSON64) += $(call cc-option,-mno-loongson-mmi)
193 195
194 cflags-$(CONFIG_CPU_R4000_WORKAROUNDS) += $(c 196 cflags-$(CONFIG_CPU_R4000_WORKAROUNDS) += $(call cc-option,-mfix-r4000,)
195 cflags-$(CONFIG_CPU_R4400_WORKAROUNDS) += $(c 197 cflags-$(CONFIG_CPU_R4400_WORKAROUNDS) += $(call cc-option,-mfix-r4400,)
196 cflags-$(CONFIG_CPU_DADDI_WORKAROUNDS) += $(c 198 cflags-$(CONFIG_CPU_DADDI_WORKAROUNDS) += $(call cc-option,-mno-daddi,)
197 ifdef CONFIG_CPU_LOONGSON2F_WORKAROUNDS 199 ifdef CONFIG_CPU_LOONGSON2F_WORKAROUNDS
198 cflags-$(CONFIG_CPU_NOP_WORKAROUNDS) += -Wa,-m 200 cflags-$(CONFIG_CPU_NOP_WORKAROUNDS) += -Wa,-mfix-loongson2f-nop
199 cflags-$(CONFIG_CPU_JUMP_WORKAROUNDS) += -Wa,- 201 cflags-$(CONFIG_CPU_JUMP_WORKAROUNDS) += -Wa,-mfix-loongson2f-jump
200 endif 202 endif
201 203
202 # 204 #
203 # Some versions of binutils, not currently mai 205 # Some versions of binutils, not currently mainline as of 2019/02/04, support
204 # an -mfix-loongson3-llsc flag which emits a s 206 # an -mfix-loongson3-llsc flag which emits a sync prior to each ll instruction
205 # to work around a CPU bug (see __SYNC_loongso 207 # to work around a CPU bug (see __SYNC_loongson3_war in asm/sync.h for a
206 # description). 208 # description).
207 # 209 #
208 # We disable this in order to prevent the asse 210 # We disable this in order to prevent the assembler meddling with the
209 # instruction that labels refer to, ie. if we 211 # instruction that labels refer to, ie. if we label an ll instruction:
210 # 212 #
211 # 1: ll v0, 0(a0) 213 # 1: ll v0, 0(a0)
212 # 214 #
213 # ...then with the assembler fix applied the l 215 # ...then with the assembler fix applied the label may actually point at a sync
214 # instruction inserted by the assembler, and i 216 # instruction inserted by the assembler, and if we were using the label in an
215 # exception table the table would no longer co 217 # exception table the table would no longer contain the address of the ll
216 # instruction. 218 # instruction.
217 # 219 #
218 # Avoid this by explicitly disabling that asse 220 # Avoid this by explicitly disabling that assembler behaviour. If upstream
219 # binutils does not merge support for the flag 221 # binutils does not merge support for the flag then we can revisit & remove
220 # this later - for now it ensures vendor toolc 222 # this later - for now it ensures vendor toolchains don't cause problems.
221 # 223 #
222 cflags-$(CONFIG_CPU_LOONGSON64) += $(call as-o 224 cflags-$(CONFIG_CPU_LOONGSON64) += $(call as-option,-Wa$(comma)-mno-fix-loongson3-llsc,)
223 225
224 # For smartmips configurations, there are hund 226 # For smartmips configurations, there are hundreds of warnings due to ISA overrides
225 # in assembly and header files. smartmips is o 227 # in assembly and header files. smartmips is only supported for MIPS32r1 onwards
226 # and there is no support for 64-bit. Various 228 # and there is no support for 64-bit. Various '.set mips2' or '.set mips3' or
227 # similar directives in the kernel will spam t 229 # similar directives in the kernel will spam the build logs with the following warnings:
228 # Warning: the `smartmips' extension requires 230 # Warning: the `smartmips' extension requires MIPS32 revision 1 or greater
229 # or 231 # or
230 # Warning: the 64-bit MIPS architecture does n 232 # Warning: the 64-bit MIPS architecture does not support the `smartmips' extension
231 # Pass -Wa,--no-warn to disable all assembler 233 # Pass -Wa,--no-warn to disable all assembler warnings until the kernel code has
232 # been fixed properly. 234 # been fixed properly.
233 mips-cflags := $(c 235 mips-cflags := $(cflags-y)
234 ifeq ($(CONFIG_CPU_HAS_SMARTMIPS),y) 236 ifeq ($(CONFIG_CPU_HAS_SMARTMIPS),y)
235 smartmips-ase := $(c 237 smartmips-ase := $(call cc-option-yn,$(mips-cflags) -msmartmips)
236 cflags-$(smartmips-ase) += -ms 238 cflags-$(smartmips-ase) += -msmartmips -Wa,--no-warn
237 endif 239 endif
238 ifeq ($(CONFIG_CPU_MICROMIPS),y) 240 ifeq ($(CONFIG_CPU_MICROMIPS),y)
239 micromips-ase := $(c 241 micromips-ase := $(call cc-option-yn,$(mips-cflags) -mmicromips)
240 cflags-$(micromips-ase) += -mm 242 cflags-$(micromips-ase) += -mmicromips
241 endif 243 endif
242 ifeq ($(CONFIG_CPU_HAS_MSA),y) 244 ifeq ($(CONFIG_CPU_HAS_MSA),y)
243 toolchain-msa := $(c 245 toolchain-msa := $(call cc-option-yn,$(mips-cflags) -mhard-float -mfp64 -Wa$(comma)-mmsa)
244 cflags-$(toolchain-msa) += -DT 246 cflags-$(toolchain-msa) += -DTOOLCHAIN_SUPPORTS_MSA
245 endif 247 endif
246 toolchain-virt := $(c 248 toolchain-virt := $(call cc-option-yn,$(mips-cflags) -mvirt)
247 cflags-$(toolchain-virt) += -DT 249 cflags-$(toolchain-virt) += -DTOOLCHAIN_SUPPORTS_VIRT
248 # For -mmicromips, use -Wa,-fatal-warnings to 250 # For -mmicromips, use -Wa,-fatal-warnings to catch unsupported -mxpa which
249 # only warns 251 # only warns
250 xpa-cflags-y := $(m 252 xpa-cflags-y := $(mips-cflags)
251 xpa-cflags-$(micromips-ase) += -mm 253 xpa-cflags-$(micromips-ase) += -mmicromips -Wa$(comma)-fatal-warnings
252 toolchain-xpa := $(c 254 toolchain-xpa := $(call cc-option-yn,$(xpa-cflags-y) -mxpa)
253 cflags-$(toolchain-xpa) += -DT 255 cflags-$(toolchain-xpa) += -DTOOLCHAIN_SUPPORTS_XPA
254 toolchain-crc := $(c 256 toolchain-crc := $(call cc-option-yn,$(mips-cflags) -Wa$(comma)-mcrc)
255 cflags-$(toolchain-crc) += -DT 257 cflags-$(toolchain-crc) += -DTOOLCHAIN_SUPPORTS_CRC
256 toolchain-dsp := $(c 258 toolchain-dsp := $(call cc-option-yn,$(mips-cflags) -Wa$(comma)-mdsp)
257 cflags-$(toolchain-dsp) += -DT 259 cflags-$(toolchain-dsp) += -DTOOLCHAIN_SUPPORTS_DSP
258 toolchain-ginv := $(c 260 toolchain-ginv := $(call cc-option-yn,$(mips-cflags) -Wa$(comma)-mginv)
259 cflags-$(toolchain-ginv) += -DT 261 cflags-$(toolchain-ginv) += -DTOOLCHAIN_SUPPORTS_GINV
260 262
261 # 263 #
262 # Firmware support 264 # Firmware support
263 # 265 #
264 libs-$(CONFIG_FW_ARC) += arch/mips/f 266 libs-$(CONFIG_FW_ARC) += arch/mips/fw/arc/
265 libs-$(CONFIG_FW_CFE) += arch/mips/f 267 libs-$(CONFIG_FW_CFE) += arch/mips/fw/cfe/
266 libs-$(CONFIG_FW_SNIPROM) += arch/mips/f 268 libs-$(CONFIG_FW_SNIPROM) += arch/mips/fw/sni/
267 libs-y += arch/mips/f 269 libs-y += arch/mips/fw/lib/
268 270
269 # 271 #
270 # Kernel compression 272 # Kernel compression
271 # 273 #
272 ifdef CONFIG_SYS_SUPPORTS_ZBOOT 274 ifdef CONFIG_SYS_SUPPORTS_ZBOOT
273 COMPRESSION_FNAME = vmlinuz 275 COMPRESSION_FNAME = vmlinuz
274 else 276 else
275 COMPRESSION_FNAME = vmlinux 277 COMPRESSION_FNAME = vmlinux
276 endif 278 endif
277 279
278 # 280 #
279 # Board-dependent options and extra files 281 # Board-dependent options and extra files
280 # 282 #
281 include $(srctree)/arch/mips/Kbuild.platforms 283 include $(srctree)/arch/mips/Kbuild.platforms
282 284
283 ifdef CONFIG_PHYSICAL_START 285 ifdef CONFIG_PHYSICAL_START
284 load-y = $(CO 286 load-y = $(CONFIG_PHYSICAL_START)
285 endif 287 endif
286 288
287 entry-y = $(shell $(ob 289 entry-y = $(shell $(objtree)/arch/mips/tools/elf-entry vmlinux)
288 cflags-y += -I$(srctree 290 cflags-y += -I$(srctree)/arch/mips/include/asm/mach-generic
289 drivers-$(CONFIG_PCI) += arch/mips/p 291 drivers-$(CONFIG_PCI) += arch/mips/pci/
290 292
291 # 293 #
292 # Automatically detect the build format. By de 294 # Automatically detect the build format. By default we choose
293 # the elf format according to the load address 295 # the elf format according to the load address.
294 # We can always force a build with a 64-bits s 296 # We can always force a build with a 64-bits symbol format by
295 # passing 'KBUILD_SYM32=no' option to the make 297 # passing 'KBUILD_SYM32=no' option to the make's command line.
296 # 298 #
297 ifdef CONFIG_64BIT 299 ifdef CONFIG_64BIT
298 ifndef KBUILD_SYM32 300 ifndef KBUILD_SYM32
299 ifeq ($(shell expr $(load-y) \< 0xffffffff 301 ifeq ($(shell expr $(load-y) \< 0xffffffff80000000), 0)
300 KBUILD_SYM32 = $(call cc-option-yn, -msy !! 302 KBUILD_SYM32 = y
301 endif 303 endif
302 endif 304 endif
303 305
304 ifeq ($(KBUILD_SYM32), y) 306 ifeq ($(KBUILD_SYM32), y)
305 cflags-$(KBUILD_SYM32) += -msym32 -DKBUILD 307 cflags-$(KBUILD_SYM32) += -msym32 -DKBUILD_64BIT_SYM32
306 else 308 else
307 ifeq ($(CONFIG_CPU_DADDI_WORKAROUNDS), y) 309 ifeq ($(CONFIG_CPU_DADDI_WORKAROUNDS), y)
308 $(error CONFIG_CPU_DADDI_WORKAROUNDS uns 310 $(error CONFIG_CPU_DADDI_WORKAROUNDS unsupported without -msym32)
309 endif 311 endif
310 endif 312 endif
311 endif 313 endif
312 314
313 # When linking a 32-bit executable the LLVM li 315 # When linking a 32-bit executable the LLVM linker cannot cope with a
314 # 32-bit load address that has been sign-exten 316 # 32-bit load address that has been sign-extended to 64 bits. Simply
315 # remove the upper 32 bits then, as it is safe 317 # remove the upper 32 bits then, as it is safe to do so with other
316 # linkers. 318 # linkers.
317 ifdef CONFIG_64BIT 319 ifdef CONFIG_64BIT
318 load-ld = $(load-y) 320 load-ld = $(load-y)
319 else 321 else
320 load-ld = $(subst 0xff 322 load-ld = $(subst 0xffffffff,0x,$(load-y))
321 endif 323 endif
322 324
323 KBUILD_AFLAGS += $(cflags-y) 325 KBUILD_AFLAGS += $(cflags-y)
324 KBUILD_CFLAGS += $(cflags-y) 326 KBUILD_CFLAGS += $(cflags-y)
325 KBUILD_CPPFLAGS += -DVMLINUX_LOAD_ADDRESS=$(lo 327 KBUILD_CPPFLAGS += -DVMLINUX_LOAD_ADDRESS=$(load-y) -DLINKER_LOAD_ADDRESS=$(load-ld)
326 KBUILD_CPPFLAGS += -DDATAOFFSET=$(if $(dataoff 328 KBUILD_CPPFLAGS += -DDATAOFFSET=$(if $(dataoffset-y),$(dataoffset-y),0)
327 329
328 bootvars-y = VMLINUX_LOAD_ADDRESS=$(load- 330 bootvars-y = VMLINUX_LOAD_ADDRESS=$(load-y) \
329 LINKER_LOAD_ADDRESS=$(load-l 331 LINKER_LOAD_ADDRESS=$(load-ld) \
330 VMLINUX_ENTRY_ADDRESS=$(entr 332 VMLINUX_ENTRY_ADDRESS=$(entry-y) \
331 PLATFORM="$(platform-y)" \ 333 PLATFORM="$(platform-y)" \
332 ITS_INPUTS="$(its-y)" 334 ITS_INPUTS="$(its-y)"
333 ifdef CONFIG_32BIT 335 ifdef CONFIG_32BIT
334 bootvars-y += ADDR_BITS=32 336 bootvars-y += ADDR_BITS=32
335 endif 337 endif
336 ifdef CONFIG_64BIT 338 ifdef CONFIG_64BIT
337 bootvars-y += ADDR_BITS=64 339 bootvars-y += ADDR_BITS=64
338 endif 340 endif
339 341
340 # This is required to get dwarf unwinding tabl 342 # This is required to get dwarf unwinding tables into .debug_frame
341 # instead of .eh_frame so we don't discard the 343 # instead of .eh_frame so we don't discard them.
342 KBUILD_CFLAGS += -fno-asynchronous-unwind-tabl 344 KBUILD_CFLAGS += -fno-asynchronous-unwind-tables
343 345
344 KBUILD_LDFLAGS += -m $(ld-emul) 346 KBUILD_LDFLAGS += -m $(ld-emul)
345 347
346 ifdef need-compiler 348 ifdef need-compiler
347 CHECKFLAGS += $(shell $(CC) $(KBUILD_CPPFLAGS) 349 CHECKFLAGS += $(shell $(CC) $(KBUILD_CPPFLAGS) $(KBUILD_CFLAGS) -dM -E -x c /dev/null | \
348 grep -E -vw '__GNUC_(MINOR_|PATCHLEVEL 350 grep -E -vw '__GNUC_(MINOR_|PATCHLEVEL_)?_' | \
349 sed -e "s/^\#define /-D'/" -e "s/ /'=' 351 sed -e "s/^\#define /-D'/" -e "s/ /'='/" -e "s/$$/'/" -e 's/\$$/&&/g')
350 endif 352 endif
351 353
352 OBJCOPYFLAGS += --remove-section=.r 354 OBJCOPYFLAGS += --remove-section=.reginfo
353 355
354 libs-y += arch/mips/lib/ 356 libs-y += arch/mips/lib/
355 libs-$(CONFIG_MIPS_FP_SUPPORT) += arch/mips/ma 357 libs-$(CONFIG_MIPS_FP_SUPPORT) += arch/mips/math-emu/
356 358
357 drivers-y += arch/mips/c 359 drivers-y += arch/mips/crypto/
358 360
359 # suspend and hibernation support 361 # suspend and hibernation support
360 drivers-$(CONFIG_PM) += arch/mips/power/ 362 drivers-$(CONFIG_PM) += arch/mips/power/
361 363
362 # boot image targets (arch/mips/boot/) 364 # boot image targets (arch/mips/boot/)
363 boot-y := vmlinux.bin 365 boot-y := vmlinux.bin
364 boot-y += vmlinux.ecoff 366 boot-y += vmlinux.ecoff
365 boot-y += vmlinux.srec 367 boot-y += vmlinux.srec
366 boot-y += uImage 368 boot-y += uImage
367 boot-y += uImage.bin 369 boot-y += uImage.bin
368 boot-y += uImage.bz2 370 boot-y += uImage.bz2
369 boot-y += uImage.gz 371 boot-y += uImage.gz
370 boot-y += uImage.lzma 372 boot-y += uImage.lzma
371 boot-y += uImage.lzo 373 boot-y += uImage.lzo
372 boot-y += vmlinux.itb 374 boot-y += vmlinux.itb
373 boot-y += vmlinux.gz.itb 375 boot-y += vmlinux.gz.itb
374 boot-y += vmlinux.bz2.itb 376 boot-y += vmlinux.bz2.itb
375 boot-y += vmlinux.lzma.itb 377 boot-y += vmlinux.lzma.itb
376 boot-y += vmlinux.lzo.itb 378 boot-y += vmlinux.lzo.itb
377 379
378 # compressed boot image targets (arch/mips/boo 380 # compressed boot image targets (arch/mips/boot/compressed/)
379 bootz-y := vmlinuz 381 bootz-y := vmlinuz
380 bootz-y += vmlinuz.bin 382 bootz-y += vmlinuz.bin
381 bootz-y += vmlinuz.ecoff 383 bootz-y += vmlinuz.ecoff
382 bootz-y += vmlinuz.srec 384 bootz-y += vmlinuz.srec
383 bootz-y += uzImage.bin 385 bootz-y += uzImage.bin
384 bootz-y += vmlinuz.itb 386 bootz-y += vmlinuz.itb
385 387
386 # 388 #
387 # Some machines like the Indy need 32-bit ELF 389 # Some machines like the Indy need 32-bit ELF binaries for booting purposes.
388 # Other need ECOFF, so we build a 32-bit ELF b 390 # Other need ECOFF, so we build a 32-bit ELF binary for them which we then
389 # convert to ECOFF using elf2ecoff. 391 # convert to ECOFF using elf2ecoff.
390 # 392 #
391 quiet_cmd_32 = OBJCOPY $@ 393 quiet_cmd_32 = OBJCOPY $@
392 cmd_32 = $(OBJCOPY) -O $(32bit-bfd) $( 394 cmd_32 = $(OBJCOPY) -O $(32bit-bfd) $(OBJCOPYFLAGS) $< $@
393 vmlinux.32: vmlinux 395 vmlinux.32: vmlinux
394 $(call cmd,32) 396 $(call cmd,32)
395 397
396 # 398 #
397 # The 64-bit ELF tools are pretty broken so at 399 # The 64-bit ELF tools are pretty broken so at this time we generate 64-bit
398 # ELF files from 32-bit files by conversion. 400 # ELF files from 32-bit files by conversion.
399 # 401 #
400 quiet_cmd_64 = OBJCOPY $@ 402 quiet_cmd_64 = OBJCOPY $@
401 cmd_64 = $(OBJCOPY) -O $(64bit-bfd) $( 403 cmd_64 = $(OBJCOPY) -O $(64bit-bfd) $(OBJCOPYFLAGS) $< $@
402 vmlinux.64: vmlinux 404 vmlinux.64: vmlinux
403 $(call cmd,64) 405 $(call cmd,64)
404 406
405 all: $(all-y) $(KBUILD_DTBS) 407 all: $(all-y) $(KBUILD_DTBS)
406 408
407 # boot 409 # boot
408 $(boot-y): $(vmlinux-32) FORCE 410 $(boot-y): $(vmlinux-32) FORCE
409 $(Q)$(MAKE) $(build)=arch/mips/boot VM 411 $(Q)$(MAKE) $(build)=arch/mips/boot VMLINUX=$(vmlinux-32) \
410 $(bootvars-y) arch/mips/boot/$ 412 $(bootvars-y) arch/mips/boot/$@
411 413
412 ifdef CONFIG_SYS_SUPPORTS_ZBOOT 414 ifdef CONFIG_SYS_SUPPORTS_ZBOOT
413 # boot/compressed 415 # boot/compressed
414 $(bootz-y): $(vmlinux-32) FORCE 416 $(bootz-y): $(vmlinux-32) FORCE
415 $(Q)$(MAKE) $(build)=arch/mips/boot/co 417 $(Q)$(MAKE) $(build)=arch/mips/boot/compressed \
416 $(bootvars-y) 32bit-bfd=$(32bi 418 $(bootvars-y) 32bit-bfd=$(32bit-bfd) arch/mips/boot/$@
417 else 419 else
418 vmlinuz: FORCE 420 vmlinuz: FORCE
419 @echo ' CONFIG_SYS_SUPPORTS_ZBOOT is 421 @echo ' CONFIG_SYS_SUPPORTS_ZBOOT is not enabled'
420 /bin/false 422 /bin/false
421 endif 423 endif
422 424
423 425
424 CLEAN_FILES += vmlinux.32 vmlinux.64 426 CLEAN_FILES += vmlinux.32 vmlinux.64
425 427
426 # device-trees 428 # device-trees
427 core-y += arch/mips/boot/dts/ 429 core-y += arch/mips/boot/dts/
428 430
429 archprepare: 431 archprepare:
430 ifdef CONFIG_MIPS32_N32 432 ifdef CONFIG_MIPS32_N32
431 @$(kecho) ' Checking missing-syscalls 433 @$(kecho) ' Checking missing-syscalls for N32'
432 $(Q)$(MAKE) $(build)=. missing-syscall 434 $(Q)$(MAKE) $(build)=. missing-syscalls missing_syscalls_flags="-mabi=n32"
433 endif 435 endif
434 ifdef CONFIG_MIPS32_O32 436 ifdef CONFIG_MIPS32_O32
435 @$(kecho) ' Checking missing-syscalls 437 @$(kecho) ' Checking missing-syscalls for O32'
436 $(Q)$(MAKE) $(build)=. missing-syscall 438 $(Q)$(MAKE) $(build)=. missing-syscalls missing_syscalls_flags="-mabi=32"
437 endif 439 endif
438 440
439 install: 441 install:
440 $(Q)install -D -m 755 vmlinux $(INSTAL 442 $(Q)install -D -m 755 vmlinux $(INSTALL_PATH)/vmlinux-$(KERNELRELEASE)
441 ifdef CONFIG_SYS_SUPPORTS_ZBOOT 443 ifdef CONFIG_SYS_SUPPORTS_ZBOOT
442 $(Q)install -D -m 755 vmlinuz $(INSTAL 444 $(Q)install -D -m 755 vmlinuz $(INSTALL_PATH)/vmlinuz-$(KERNELRELEASE)
443 endif 445 endif
444 $(Q)install -D -m 644 .config $(INSTAL 446 $(Q)install -D -m 644 .config $(INSTALL_PATH)/config-$(KERNELRELEASE)
445 $(Q)install -D -m 644 System.map $(INS 447 $(Q)install -D -m 644 System.map $(INSTALL_PATH)/System.map-$(KERNELRELEASE)
446 448
447 archheaders: 449 archheaders:
448 $(Q)$(MAKE) $(build)=arch/mips/kernel/ 450 $(Q)$(MAKE) $(build)=arch/mips/kernel/syscalls all
449 451
450 define archhelp 452 define archhelp
451 echo ' install - install 453 echo ' install - install kernel into $(INSTALL_PATH)'
452 echo ' vmlinux.ecoff - ECOFF b 454 echo ' vmlinux.ecoff - ECOFF boot image'
453 echo ' vmlinux.bin - Raw bin 455 echo ' vmlinux.bin - Raw binary boot image'
454 echo ' vmlinux.srec - SREC bo 456 echo ' vmlinux.srec - SREC boot image'
455 echo ' vmlinux.32 - 64-bit 457 echo ' vmlinux.32 - 64-bit boot image wrapped in 32bits (IP22/IP32)'
456 echo ' vmlinuz - Compres 458 echo ' vmlinuz - Compressed boot(zboot) image'
457 echo ' vmlinuz.ecoff - ECOFF z 459 echo ' vmlinuz.ecoff - ECOFF zboot image'
458 echo ' vmlinuz.bin - Raw bin 460 echo ' vmlinuz.bin - Raw binary zboot image'
459 echo ' vmlinuz.srec - SREC zb 461 echo ' vmlinuz.srec - SREC zboot image'
460 echo ' uImage - U-Boot 462 echo ' uImage - U-Boot image'
461 echo ' uImage.bin - U-Boot 463 echo ' uImage.bin - U-Boot image (uncompressed)'
462 echo ' uImage.bz2 - U-Boot 464 echo ' uImage.bz2 - U-Boot image (bz2)'
463 echo ' uImage.gz - U-Boot 465 echo ' uImage.gz - U-Boot image (gzip)'
464 echo ' uImage.lzma - U-Boot 466 echo ' uImage.lzma - U-Boot image (lzma)'
465 echo ' uImage.lzo - U-Boot 467 echo ' uImage.lzo - U-Boot image (lzo)'
466 echo ' uzImage.bin - U-Boot 468 echo ' uzImage.bin - U-Boot image (self-extracting)'
467 echo 469 echo
468 echo ' These will be default as appro 470 echo ' These will be default as appropriate for a configured platform.'
469 echo 471 echo
470 echo ' If you are targeting a system 472 echo ' If you are targeting a system supported by generic kernels you may'
471 echo ' configure the kernel for a giv 473 echo ' configure the kernel for a given architecture target like so:'
472 echo 474 echo
473 echo ' {micro32,32,64}{r1,r2,r6}{el,} 475 echo ' {micro32,32,64}{r1,r2,r6}{el,}_defconfig <BOARDS="list of boards">'
474 echo 476 echo
475 echo ' Where BOARDS is some subset of 477 echo ' Where BOARDS is some subset of the following:'
476 for board in $(sort $(BOARDS)); do ech 478 for board in $(sort $(BOARDS)); do echo " $${board}"; done
477 echo 479 echo
478 echo ' Specifically the following gen 480 echo ' Specifically the following generic default configurations are'
479 echo ' supported:' 481 echo ' supported:'
480 echo 482 echo
481 $(foreach cfg,$(generic_defconfigs), 483 $(foreach cfg,$(generic_defconfigs),
482 printf " %-24s - Build generic kern 484 printf " %-24s - Build generic kernel for $(call describe_generic_defconfig,$(cfg))\n" $(cfg);)
483 echo 485 echo
484 echo ' The following legacy default c 486 echo ' The following legacy default configurations have been converted to'
485 echo ' generic and can still be used: 487 echo ' generic and can still be used:'
486 echo 488 echo
487 $(foreach cfg,$(sort $(legacy_defconfi 489 $(foreach cfg,$(sort $(legacy_defconfigs)),
488 printf " %-24s - Build $($(cfg)-y)\ 490 printf " %-24s - Build $($(cfg)-y)\n" $(cfg);)
489 echo 491 echo
490 echo ' Otherwise, the following defau 492 echo ' Otherwise, the following default configurations are available:'
491 endef 493 endef
492 494
493 generic_config_dir = $(srctree)/arch/$(ARCH)/c 495 generic_config_dir = $(srctree)/arch/$(ARCH)/configs/generic
494 generic_defconfigs := 496 generic_defconfigs :=
495 497
496 # 498 #
497 # If the user generates a generic kernel confi 499 # If the user generates a generic kernel configuration without specifying a
498 # list of boards to include the config fragmen 500 # list of boards to include the config fragments for, default to including all
499 # available board config fragments. 501 # available board config fragments.
500 # 502 #
501 ifeq ($(BOARDS),) 503 ifeq ($(BOARDS),)
502 BOARDS = $(patsubst board-%.config,%,$(notdir 504 BOARDS = $(patsubst board-%.config,%,$(notdir $(wildcard $(generic_config_dir)/board-*.config)))
503 endif 505 endif
504 506
505 # 507 #
506 # Generic kernel configurations which merge ge 508 # Generic kernel configurations which merge generic_defconfig with the
507 # appropriate config fragments from arch/mips/ 509 # appropriate config fragments from arch/mips/configs/generic/, resulting in
508 # the ability to easily configure the kernel f 510 # the ability to easily configure the kernel for a given architecture,
509 # endianness & set of boards without duplicati 511 # endianness & set of boards without duplicating the needed configuration in
510 # hundreds of defconfig files. 512 # hundreds of defconfig files.
511 # 513 #
512 define gen_generic_defconfigs 514 define gen_generic_defconfigs
513 $(foreach bits,$(1),$(foreach rev,$(2),$(forea 515 $(foreach bits,$(1),$(foreach rev,$(2),$(foreach endian,$(3),
514 target := $(bits)$(rev)$(filter el,$(endian))_ 516 target := $(bits)$(rev)$(filter el,$(endian))_defconfig
515 generic_defconfigs += $$(target) 517 generic_defconfigs += $$(target)
516 $$(target): $(generic_config_dir)/$(bits)$(rev 518 $$(target): $(generic_config_dir)/$(bits)$(rev).config
517 $$(target): $(generic_config_dir)/$(endian).co 519 $$(target): $(generic_config_dir)/$(endian).config
518 ))) 520 )))
519 endef 521 endef
520 522
521 $(eval $(call gen_generic_defconfigs,32 64,r1 523 $(eval $(call gen_generic_defconfigs,32 64,r1 r2 r6,eb el))
522 $(eval $(call gen_generic_defconfigs,micro32,r 524 $(eval $(call gen_generic_defconfigs,micro32,r2,eb el))
523 525
524 define describe_generic_defconfig 526 define describe_generic_defconfig
525 $(subst 32r,MIPS32 r,$(subst 64r,MIPS64 r,$(su 527 $(subst 32r,MIPS32 r,$(subst 64r,MIPS64 r,$(subst el, little endian,$(patsubst %_defconfig,%,$(1)))))
526 endef 528 endef
527 529
528 .PHONY: $(generic_defconfigs) 530 .PHONY: $(generic_defconfigs)
529 $(generic_defconfigs): 531 $(generic_defconfigs):
530 $(Q)$(CONFIG_SHELL) $(srctree)/scripts 532 $(Q)$(CONFIG_SHELL) $(srctree)/scripts/kconfig/merge_config.sh \
531 -m -O $(objtree) $(srctree)/ar 533 -m -O $(objtree) $(srctree)/arch/$(ARCH)/configs/generic_defconfig $^ | \
532 grep -Ev '^#' 534 grep -Ev '^#'
533 $(Q)cp $(KCONFIG_CONFIG) $(objtree)/.c 535 $(Q)cp $(KCONFIG_CONFIG) $(objtree)/.config.$@
534 $(Q)$(MAKE) -f $(srctree)/Makefile old 536 $(Q)$(MAKE) -f $(srctree)/Makefile olddefconfig \
535 KCONFIG_CONFIG=$(objtree)/.con 537 KCONFIG_CONFIG=$(objtree)/.config.$@ >/dev/null
536 $(Q)$(CONFIG_SHELL) $(srctree)/arch/$( 538 $(Q)$(CONFIG_SHELL) $(srctree)/arch/$(ARCH)/tools/generic-board-config.sh \
537 $(srctree) $(objtree) $(objtre 539 $(srctree) $(objtree) $(objtree)/.config.$@ $(KCONFIG_CONFIG) \
538 "$(origin BOARDS)" $(BOARDS) 540 "$(origin BOARDS)" $(BOARDS)
539 $(Q)$(MAKE) -f $(srctree)/Makefile old 541 $(Q)$(MAKE) -f $(srctree)/Makefile olddefconfig
540 542
541 # 543 #
542 # Prevent generic merge_config rules attemptin 544 # Prevent generic merge_config rules attempting to merge single fragments
543 # 545 #
544 $(generic_config_dir)/%.config: ; 546 $(generic_config_dir)/%.config: ;
545 547
546 # 548 #
547 # Prevent direct use of generic_defconfig, whi 549 # Prevent direct use of generic_defconfig, which is intended to be used as the
548 # basis of the various ISA-specific targets ge 550 # basis of the various ISA-specific targets generated above.
549 # 551 #
550 .PHONY: generic_defconfig 552 .PHONY: generic_defconfig
551 generic_defconfig: 553 generic_defconfig:
552 $(Q)echo "generic_defconfig is not int 554 $(Q)echo "generic_defconfig is not intended for direct use, but should instead be"
553 $(Q)echo "used via an ISA-specific tar 555 $(Q)echo "used via an ISA-specific target from the following list:"
554 $(Q)echo 556 $(Q)echo
555 $(Q)for cfg in $(generic_defconfigs); 557 $(Q)for cfg in $(generic_defconfigs); do echo " $${cfg}"; done
556 $(Q)echo 558 $(Q)echo
557 $(Q)false 559 $(Q)false
558 560
559 # 561 #
560 # Legacy defconfig compatibility - these targe 562 # Legacy defconfig compatibility - these targets used to be real defconfigs but
561 # now that the boards have been converted to u 563 # now that the boards have been converted to use the generic kernel they are
562 # wrappers around the generic rules above. 564 # wrappers around the generic rules above.
563 # 565 #
564 legacy_defconfigs += ocelot_defc 566 legacy_defconfigs += ocelot_defconfig
565 ocelot_defconfig-y := 32r2el_defc 567 ocelot_defconfig-y := 32r2el_defconfig BOARDS=ocelot
566 568
567 legacy_defconfigs += sead3_defco 569 legacy_defconfigs += sead3_defconfig
568 sead3_defconfig-y := 32r2el_defc 570 sead3_defconfig-y := 32r2el_defconfig BOARDS=sead-3
569 571
570 legacy_defconfigs += sead3micro_ 572 legacy_defconfigs += sead3micro_defconfig
571 sead3micro_defconfig-y := micro32r2el 573 sead3micro_defconfig-y := micro32r2el_defconfig BOARDS=sead-3
572 574
573 legacy_defconfigs += xilfpga_def 575 legacy_defconfigs += xilfpga_defconfig
574 xilfpga_defconfig-y := 32r2el_defc 576 xilfpga_defconfig-y := 32r2el_defconfig BOARDS=xilfpga
575 577
576 legacy_defconfigs += pistachio_d 578 legacy_defconfigs += pistachio_defconfig
577 pistachio_defconfig-y := 32r2el_defc 579 pistachio_defconfig-y := 32r2el_defconfig BOARDS=marduk
578 580
579 .PHONY: $(legacy_defconfigs) 581 .PHONY: $(legacy_defconfigs)
580 $(legacy_defconfigs): 582 $(legacy_defconfigs):
581 $(Q)$(MAKE) -f $(srctree)/Makefile $($ 583 $(Q)$(MAKE) -f $(srctree)/Makefile $($@-y)
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