>> 1 # SPDX-License-Identifier: GPL-2.0
1 # 2 #
2 # arch/arm/Makefile !! 3 # sparc/Makefile
3 # 4 #
4 # This file is included by the global makefile !! 5 # Makefile for the architecture dependent flags and dependencies on the
5 # architecture-specific flags and dependencies !! 6 # Sparc and sparc64.
6 # 7 #
7 # This file is subject to the terms and condit !! 8 # Copyright (C) 1994,1996,1998 David S. Miller (davem@caip.rutgers.edu)
8 # License. See the file "COPYING" in the main !! 9 # Copyright (C) 1998 Jakub Jelinek (jj@ultra.linux.cz)
9 # for more details. <<
10 # <<
11 # Copyright (C) 1995-2001 by Russell King <<
12 <<
13 LDFLAGS_vmlinux := --no-undefined -X --pic-ven <<
14 ifeq ($(CONFIG_CPU_ENDIAN_BE8),y) <<
15 LDFLAGS_vmlinux += --be8 <<
16 KBUILD_LDFLAGS_MODULE += --be8 <<
17 endif <<
18 <<
19 GZFLAGS :=-9 <<
20 #KBUILD_CFLAGS +=-pipe <<
21 <<
22 # Never generate .eh_frame <<
23 KBUILD_CFLAGS += $(call cc-option,-fno-dwarf <<
24 <<
25 # Disable FDPIC ABI <<
26 KBUILD_CFLAGS += $(call cc-option,-mno-fdpic <<
27 <<
28 # This should work on most of the modern platf <<
29 KBUILD_DEFCONFIG := multi_v7_defconfig <<
30 <<
31 # defines filename extension depending memory <<
32 ifeq ($(CONFIG_MMU),) <<
33 MMUEXT := -nommu <<
34 KBUILD_CFLAGS += $(call cc-option,-mno-unali <<
35 endif <<
36 <<
37 ifeq ($(CONFIG_FRAME_POINTER),y) <<
38 KBUILD_CFLAGS +=-fno-omit-frame-pointer <<
39 ifeq ($(CONFIG_CC_IS_GCC),y) <<
40 KBUILD_CFLAGS += -mapcs -mno-sched-prolog <<
41 endif <<
42 endif <<
43 10
44 ifeq ($(CONFIG_CPU_BIG_ENDIAN),y) !! 11 # We are not yet configured - so test on arch
45 KBUILD_CPPFLAGS += -mbig-endian !! 12 ifeq ($(ARCH),sparc64)
46 CHECKFLAGS += -D__ARMEB__ !! 13 KBUILD_DEFCONFIG := sparc64_defconfig
47 KBUILD_LDFLAGS += -EB <<
48 else 14 else
49 KBUILD_CPPFLAGS += -mlittle-endian !! 15 KBUILD_DEFCONFIG := sparc32_defconfig
50 CHECKFLAGS += -D__ARMEL__ <<
51 KBUILD_LDFLAGS += -EL <<
52 endif 16 endif
53 17
>> 18 ifeq ($(CONFIG_SPARC32),y)
>> 19 #####
>> 20 # sparc32
54 # 21 #
55 # The Scalar Replacement of Aggregates (SRA) o <<
56 # later may result in code being generated tha <<
57 # char struct members incorrectly. So disable <<
58 # (https://gcc.gnu.org/bugzilla/show_bug.cgi?i <<
59 # <<
60 KBUILD_CFLAGS += $(call cc-option,-fno-ipa-s <<
61 <<
62 # This selects which instruction set is used. <<
63 arch-$(CONFIG_CPU_32v7M) :=-march=armv7 <<
64 arch-$(CONFIG_CPU_32v7) :=-march=armv7 <<
65 arch-$(CONFIG_CPU_32v6) :=-march=armv6 <<
66 # Only override the compiler option if ARMv6. <<
67 # always available in ARMv7 <<
68 ifeq ($(CONFIG_CPU_32v6),y) <<
69 arch-$(CONFIG_CPU_32v6K) :=-march=armv6 <<
70 endif <<
71 arch-$(CONFIG_CPU_32v5) :=-march=armv5 <<
72 arch-$(CONFIG_CPU_32v4T) :=-march=armv4 <<
73 arch-$(CONFIG_CPU_32v4) :=-march=armv4 <<
74 arch-$(CONFIG_CPU_32v3) :=-march=armv3 <<
75 <<
76 # Note that GCC does not numerically define an <<
77 # macro, but instead defines a whole series of <<
78 # testing for a specific architecture or later <<
79 cpp-$(CONFIG_CPU_32v7M) :=-D__LINUX_AR <<
80 cpp-$(CONFIG_CPU_32v7) :=-D__LINUX_AR <<
81 cpp-$(CONFIG_CPU_32v6) :=-D__LINUX_AR <<
82 # Only override the compiler option if ARMv6. <<
83 # always available in ARMv7 <<
84 ifeq ($(CONFIG_CPU_32v6),y) <<
85 cpp-$(CONFIG_CPU_32v6K) :=-D__LINUX_AR <<
86 endif <<
87 cpp-$(CONFIG_CPU_32v5) :=-D__LINUX_AR <<
88 cpp-$(CONFIG_CPU_32v4T) :=-D__LINUX_AR <<
89 cpp-$(CONFIG_CPU_32v4) :=-D__LINUX_AR <<
90 cpp-$(CONFIG_CPU_32v3) :=-D__LINUX_AR <<
91 <<
92 # This selects how we optimise for the process <<
93 tune-$(CONFIG_CPU_ARM7TDMI) :=-mtune=arm7t <<
94 tune-$(CONFIG_CPU_ARM720T) :=-mtune=arm7t <<
95 tune-$(CONFIG_CPU_ARM740T) :=-mtune=arm7t <<
96 tune-$(CONFIG_CPU_ARM9TDMI) :=-mtune=arm9t <<
97 tune-$(CONFIG_CPU_ARM940T) :=-mtune=arm9t <<
98 tune-$(CONFIG_CPU_ARM946E) :=-mtune=arm9e <<
99 tune-$(CONFIG_CPU_ARM920T) :=-mtune=arm9t <<
100 tune-$(CONFIG_CPU_ARM922T) :=-mtune=arm9t <<
101 tune-$(CONFIG_CPU_ARM925T) :=-mtune=arm9t <<
102 tune-$(CONFIG_CPU_ARM926T) :=-mtune=arm9t <<
103 tune-$(CONFIG_CPU_FA526) :=-mtune=arm9t <<
104 tune-$(CONFIG_CPU_SA110) :=-mtune=stron <<
105 tune-$(CONFIG_CPU_SA1100) :=-mtune=stron <<
106 tune-$(CONFIG_CPU_XSCALE) :=-mtune=xscal <<
107 tune-$(CONFIG_CPU_XSC3) :=-mtune=xscal <<
108 tune-$(CONFIG_CPU_FEROCEON) :=-mtune=xscal <<
109 tune-$(CONFIG_CPU_V6) :=-mtune=arm11 <<
110 tune-$(CONFIG_CPU_V6K) :=-mtune=arm11 <<
111 22
112 ifeq ($(CONFIG_AEABI),y) !! 23 CHECKFLAGS += -D__sparc__
113 CFLAGS_ABI :=-mabi=aapcs-linux -mfpu=vfp !! 24 KBUILD_LDFLAGS := -m elf32_sparc
114 else !! 25 export BITS := 32
115 CFLAGS_ABI :=$(call cc-option,-mapcs-32,- !! 26 UTS_MACHINE := sparc
116 endif <<
117 27
118 ifeq ($(CONFIG_ARM_UNWIND),y) !! 28 # We are adding -Wa,-Av8 to KBUILD_CFLAGS to deal with a specs bug in some
119 CFLAGS_ABI +=-funwind-tables !! 29 # versions of gcc. Some gcc versions won't pass -Av8 to binutils when you
120 endif !! 30 # give -mcpu=v8. This silently worked with older bintutils versions but
>> 31 # does not any more.
>> 32 KBUILD_CFLAGS += -m32 -mcpu=v8 -pipe -mno-fpu -fcall-used-g5 -fcall-used-g7
>> 33 KBUILD_CFLAGS += -Wa,-Av8
121 34
122 ifeq ($(CONFIG_CC_IS_CLANG),y) !! 35 KBUILD_AFLAGS += -m32 -Wa,-Av8
123 CFLAGS_ABI += -meabi gnu <<
124 endif <<
125 36
126 ifeq ($(CONFIG_CURRENT_POINTER_IN_TPIDRURO),y) !! 37 else
127 KBUILD_CFLAGS += -mtp=cp15 !! 38 #####
128 endif !! 39 # sparc64
>> 40 #
129 41
130 # Accept old syntax despite ".syntax unified" !! 42 CHECKFLAGS += -D__sparc__ -D__sparc_v9__ -D__arch64__
131 AFLAGS_NOWARN :=$(call as-option,-Wa$(comma) !! 43 KBUILD_LDFLAGS := -m elf64_sparc
>> 44 export BITS := 64
>> 45 UTS_MACHINE := sparc64
132 46
133 # The GCC option -ffreestanding is required in !! 47 KBUILD_CFLAGS += -m64 -pipe -mno-fpu -mcpu=ultrasparc -mcmodel=medlow
134 # ARM/NEON intrinsics in a non C99-compliant e !! 48 KBUILD_CFLAGS += -ffixed-g4 -ffixed-g5 -fcall-used-g7 -Wno-sign-compare
135 CC_FLAGS_FPU := -ffreestanding !! 49 KBUILD_CFLAGS += -Wa,--undeclared-regs
136 # Enable <arm_neon.h> !! 50 KBUILD_CFLAGS += $(call cc-option,-mtune=ultrasparc3)
137 CC_FLAGS_FPU += -isystem $(shell $(CC) -pri !! 51 KBUILD_AFLAGS += -m64 -mcpu=ultrasparc -Wa,--undeclared-regs
138 CC_FLAGS_FPU += -march=armv7-a -mfloat-abi= <<
139 <<
140 ifeq ($(CONFIG_THUMB2_KERNEL),y) <<
141 CFLAGS_ISA :=-Wa,-mimplicit-it=always $(A <<
142 AFLAGS_ISA :=$(CFLAGS_ISA) -Wa$(comma)-mt <<
143 CFLAGS_ISA +=-mthumb <<
144 else <<
145 CFLAGS_ISA :=$(call cc-option,-marm,) $(A <<
146 AFLAGS_ISA :=$(CFLAGS_ISA) <<
147 endif <<
148 52
149 # Need -Uarm for gcc < 3.x !! 53 ifeq ($(CONFIG_MCOUNT),y)
150 KBUILD_CPPFLAGS +=$(cpp-y) !! 54 KBUILD_CFLAGS += -pg
151 KBUILD_CFLAGS +=$(CFLAGS_ABI) $(CFLAGS_ISA) <<
152 KBUILD_AFLAGS +=$(CFLAGS_ABI) $(AFLAGS_ISA) <<
153 <<
154 CHECKFLAGS += -D__arm__ <<
155 <<
156 # Text offset. This list is sorted numerically <<
157 # provide a means to avoid/resolve conflicts i <<
158 # Note: the 32kB below this value is reserved <<
159 # during boot, and this offset is critical to <<
160 # kexec-tools. <<
161 textofs-y := 0x00008000 <<
162 # RTD1195 has Boot ROM at start of address spa <<
163 textofs-$(CONFIG_ARCH_REALTEK) := 0x00108000 <<
164 # SA1111 DMA bug: we don't want the kernel to <<
165 ifeq ($(CONFIG_ARCH_SA1100),y) <<
166 textofs-$(CONFIG_SA1111) := 0x00208000 <<
167 endif <<
168 textofs-$(CONFIG_ARCH_QCOM_RESERVE_SMEM) := 0x <<
169 textofs-$(CONFIG_ARCH_MESON) := 0x00208000 <<
170 textofs-$(CONFIG_ARCH_AXXIA) := 0x00308000 <<
171 <<
172 # Machine directory name. This list is sorted <<
173 # by CONFIG_* macro name. <<
174 machine-$(CONFIG_ARCH_ACTIONS) += act <<
175 machine-$(CONFIG_ARCH_ALPINE) += alp <<
176 machine-$(CONFIG_ARCH_ARTPEC) += art <<
177 machine-$(CONFIG_ARCH_ASPEED) += asp <<
178 machine-$(CONFIG_ARCH_AT91) += at9 <<
179 machine-$(CONFIG_ARCH_AXXIA) += axx <<
180 machine-$(CONFIG_ARCH_BCM) += bcm <<
181 machine-$(CONFIG_ARCH_BERLIN) += ber <<
182 machine-$(CONFIG_ARCH_CLPS711X) += clp <<
183 machine-$(CONFIG_ARCH_DAVINCI) += dav <<
184 machine-$(CONFIG_ARCH_DIGICOLOR) += dig <<
185 machine-$(CONFIG_ARCH_DOVE) += dov <<
186 machine-$(CONFIG_ARCH_EXYNOS) += exy <<
187 machine-$(CONFIG_ARCH_FOOTBRIDGE) += foo <<
188 machine-$(CONFIG_ARCH_GEMINI) += gem <<
189 machine-$(CONFIG_ARCH_HIGHBANK) += hig <<
190 machine-$(CONFIG_ARCH_HISI) += his <<
191 machine-$(CONFIG_ARCH_HPE) += hpe <<
192 machine-$(CONFIG_ARCH_IXP4XX) += ixp <<
193 machine-$(CONFIG_ARCH_KEYSTONE) += key <<
194 machine-$(CONFIG_ARCH_LPC18XX) += lpc <<
195 machine-$(CONFIG_ARCH_LPC32XX) += lpc <<
196 machine-$(CONFIG_ARCH_MESON) += mes <<
197 machine-$(CONFIG_ARCH_MMP) += mmp <<
198 machine-$(CONFIG_ARCH_MV78XX0) += mv7 <<
199 machine-$(CONFIG_ARCH_MVEBU) += mve <<
200 machine-$(CONFIG_ARCH_MXC) += imx <<
201 machine-$(CONFIG_ARCH_MEDIATEK) += med <<
202 machine-$(CONFIG_ARCH_MILBEAUT) += mil <<
203 machine-$(CONFIG_ARCH_MXS) += mxs <<
204 machine-$(CONFIG_ARCH_MSTARV7) += mst <<
205 machine-$(CONFIG_ARCH_NOMADIK) += nom <<
206 machine-$(CONFIG_ARCH_NPCM) += npc <<
207 machine-$(CONFIG_ARCH_OMAP1) += oma <<
208 machine-$(CONFIG_ARCH_OMAP2PLUS) += oma <<
209 machine-$(CONFIG_ARCH_ORION5X) += ori <<
210 machine-$(CONFIG_ARCH_PXA) += pxa <<
211 machine-$(CONFIG_ARCH_QCOM) += qco <<
212 machine-$(CONFIG_ARCH_REALTEK) += rea <<
213 machine-$(CONFIG_ARCH_ROCKCHIP) += roc <<
214 machine-$(CONFIG_ARCH_RPC) += rpc <<
215 machine-$(CONFIG_PLAT_SAMSUNG) += s3c <<
216 machine-$(CONFIG_ARCH_S5PV210) += s5p <<
217 machine-$(CONFIG_ARCH_SA1100) += sa1 <<
218 machine-$(CONFIG_ARCH_RENESAS) += shm <<
219 machine-$(CONFIG_ARCH_INTEL_SOCFPGA) += soc <<
220 machine-$(CONFIG_ARCH_STI) += sti <<
221 machine-$(CONFIG_ARCH_STM32) += stm <<
222 machine-$(CONFIG_ARCH_SUNXI) += sun <<
223 machine-$(CONFIG_ARCH_TEGRA) += teg <<
224 machine-$(CONFIG_ARCH_U8500) += ux5 <<
225 machine-$(CONFIG_ARCH_VT8500) += vt8 <<
226 machine-$(CONFIG_ARCH_ZYNQ) += zyn <<
227 machine-$(CONFIG_PLAT_VERSATILE) += ver <<
228 machine-$(CONFIG_PLAT_SPEAR) += spe <<
229 <<
230 # legacy platforms provide their own mach/*.h <<
231 # these three are mutually exclusive <<
232 machdirs-$(CONFIG_ARCH_FOOTBRIDGE) += arc <<
233 machdirs-$(CONFIG_ARCH_RPC) += arc <<
234 machdirs-$(CONFIG_ARCH_SA1100) += arc <<
235 KBUILD_CPPFLAGS += $(patsubst %,-I$(srctree)/% <<
236 <<
237 # The byte offset of the kernel image in RAM f <<
238 TEXT_OFFSET := $(textofs-y) <<
239 <<
240 export TEXT_OFFSET GZFLAGS MMUEXT <<
241 <<
242 # If we have a machine-specific directory, the <<
243 core-y += $(patsubst <<
244 # For cleaning <<
245 core- += $(patsubst <<
246 <<
247 core-$(CONFIG_PLAT_ORION) += arch/arm/pl <<
248 <<
249 libs-y := arch/arm/li <<
250 <<
251 # Default target when executing plain make <<
252 boot := arch/arm/boot <<
253 ifeq ($(CONFIG_XIP_KERNEL),y) <<
254 KBUILD_IMAGE := $(boot)/xipImage <<
255 else <<
256 KBUILD_IMAGE := $(boot)/zImage <<
257 endif 55 endif
258 56
259 ifeq ($(CONFIG_STACKPROTECTOR_PER_TASK),y) <<
260 prepare: stack_protector_prepare <<
261 ifeq ($(CONFIG_CC_HAVE_STACKPROTECTOR_TLS),y) <<
262 stack_protector_prepare: prepare0 <<
263 $(eval KBUILD_CFLAGS += \ <<
264 -mstack-protector-guard=tls \ <<
265 -mstack-protector-guard-offset <<
266 awk '{if ($$2 == "TSK_ <<
267 include/genera <<
268 else <<
269 stack_protector_prepare: prepare0 <<
270 $(eval SSP_PLUGIN_CFLAGS := \ <<
271 -fplugin-arg-arm_ssp_per_task_ <<
272 awk '{if ($$2 == "TSK_ <<
273 include/genera <<
274 $(eval KBUILD_CFLAGS += $(SSP_PLUGIN_C <<
275 $(eval GCC_PLUGINS_CFLAGS += $(SSP_PLU <<
276 endif <<
277 endif 57 endif
278 58
279 all: $(notdir $(KBUILD_IMAGE)) !! 59 head-y := arch/sparc/kernel/head_$(BITS).o
280 60
>> 61 # See arch/sparc/Kbuild for the core part of the kernel
>> 62 core-y += arch/sparc/
281 63
282 archheaders: !! 64 libs-y += arch/sparc/prom/
283 $(Q)$(MAKE) $(build)=arch/arm/tools ua !! 65 libs-y += arch/sparc/lib/
284 66
285 archprepare: !! 67 drivers-$(CONFIG_PM) += arch/sparc/power/
286 $(Q)$(MAKE) $(build)=arch/arm/tools ka !! 68 drivers-$(CONFIG_OPROFILE) += arch/sparc/oprofile/
287 69
288 # Convert bzImage to zImage !! 70 boot := arch/sparc/boot
289 bzImage: zImage <<
290 71
291 BOOT_TARGETS = zImage Image xipImage bootpI !! 72 # Default target
292 INSTALL_TARGETS = zinstall uinstall install !! 73 all: zImage
293 74
294 PHONY += bzImage $(BOOT_TARGETS) $(INSTALL_TAR !! 75 image zImage uImage tftpboot.img vmlinux.aout: vmlinux
295 <<
296 bootpImage uImage: zImage <<
297 zImage: Image <<
298 <<
299 $(BOOT_TARGETS): vmlinux <<
300 $(Q)$(MAKE) $(build)=$(boot) $(boot)/$ 76 $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
301 @$(kecho) ' Kernel: $(boot)/$@ is rea <<
302 77
303 $(INSTALL_TARGETS): KBUILD_IMAGE = $(boot)/$(p !! 78 install:
304 $(INSTALL_TARGETS): !! 79 $(Q)$(MAKE) $(build)=$(boot) $@
305 $(call cmd,install) <<
306 80
307 vdso-install-$(CONFIG_VDSO) += arch/arm/vdso/v !! 81 archclean:
>> 82 $(Q)$(MAKE) $(clean)=$(boot)
308 83
309 # My testing targets (bypasses dependencies) !! 84 archheaders:
310 bp:; $(Q)$(MAKE) $(build)=$(boot) $(boot)/b !! 85 $(Q)$(MAKE) $(build)=arch/sparc/kernel/syscalls all
311 86
312 include $(srctree)/scripts/Makefile.defconf !! 87 PHONY += vdso_install
313 PHONY += multi_v7_lpae_defconfig !! 88 vdso_install:
314 multi_v7_lpae_defconfig: !! 89 $(Q)$(MAKE) $(build)=arch/sparc/vdso $@
315 $(call merge_into_defconfig,multi_v7_d !! 90
>> 91 # This is the image used for packaging
>> 92 KBUILD_IMAGE := $(boot)/zImage
316 93
>> 94 # Don't use tabs in echo arguments.
>> 95 ifeq ($(ARCH),sparc)
317 define archhelp 96 define archhelp
318 echo '* zImage - Compressed kernel i !! 97 echo '* image - kernel image ($(boot)/image)'
319 echo ' Image - Uncompressed kernel !! 98 echo '* zImage - stripped kernel image ($(boot)/zImage)'
320 echo '* xipImage - XIP kernel image, i !! 99 echo ' uImage - U-Boot SPARC32 Image (only for LEON)'
321 echo ' uImage - U-Boot wrapped zIma !! 100 echo ' tftpboot.img - image prepared for tftp'
322 echo ' bootpImage - Combined zImage and <<
323 echo ' (supply initrd imag <<
324 echo ' install - Install uncompresse <<
325 echo ' zinstall - Install compressed <<
326 echo ' uinstall - Install U-Boot wrap <<
327 echo ' Install using (your <<
328 echo ' (distribution) /sbi <<
329 echo ' install to $$(INSTA <<
330 echo <<
331 echo ' multi_v7_lpae_defconfig - multi <<
332 endef 101 endef
>> 102 else
>> 103 define archhelp
>> 104 echo '* vmlinux - standard sparc64 kernel'
>> 105 echo '* zImage - stripped and compressed sparc64 kernel ($(boot)/zImage)'
>> 106 echo ' vmlinux.aout - a.out kernel for sparc64'
>> 107 echo ' tftpboot.img - image prepared for tftp'
>> 108 endef
>> 109 endif
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