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2023-12-09 95099d4622f8cb224d94e314c7a8e0df60b13f87 
 kernel/arch/arm/Makefile
....@@ -16,10 +16,6 @@
1616 KBUILD_LDFLAGS_MODULE	+= --be8
1717 endif
1818 
19
-ifeq ($(CONFIG_ARM_MODULE_PLTS),y)
20
-KBUILD_LDFLAGS_MODULE	+= -T $(srctree)/arch/arm/kernel/module.lds
21
-endif
22
-
2319 GZFLAGS		:=-9
2420 #KBUILD_CFLAGS	+=-pipe
2521 
....@@ -45,12 +41,10 @@
4541 ifeq ($(CONFIG_CPU_BIG_ENDIAN),y)
4642 KBUILD_CPPFLAGS	+= -mbig-endian
4743 CHECKFLAGS	+= -D__ARMEB__
48
-AS		+= -EB
4944 KBUILD_LDFLAGS	+= -EB
5045 else
5146 KBUILD_CPPFLAGS	+= -mlittle-endian
5247 CHECKFLAGS	+= -D__ARMEL__
53
-AS		+= -EL
5448 KBUILD_LDFLAGS	+= -EL
5549 endif
5650 
....@@ -77,7 +71,7 @@
7771 arch-$(CONFIG_CPU_32v5)		=-D__LINUX_ARM_ARCH__=5 -march=armv5te
7872 arch-$(CONFIG_CPU_32v4T)	=-D__LINUX_ARM_ARCH__=4 -march=armv4t
7973 arch-$(CONFIG_CPU_32v4)		=-D__LINUX_ARM_ARCH__=4 -march=armv4
80
-arch-$(CONFIG_CPU_32v3)		=-D__LINUX_ARM_ARCH__=3 -march=armv3
74
+arch-$(CONFIG_CPU_32v3)		=-D__LINUX_ARM_ARCH__=3 -march=armv3m
8175 
8276 # Evaluate arch cc-option calls now
8377 arch-y := $(arch-y)
....@@ -123,13 +117,8 @@
123117 AFLAGS_NOWARN	:=$(call as-option,-Wa$(comma)-mno-warn-deprecated,-Wa$(comma)-W)
124118 
125119 ifeq ($(CONFIG_THUMB2_KERNEL),y)
126
-AFLAGS_AUTOIT	:=$(call as-option,-Wa$(comma)-mimplicit-it=always,-Wa$(comma)-mauto-it)
127
-CFLAGS_ISA	:=-mthumb $(AFLAGS_AUTOIT) $(AFLAGS_NOWARN)
120
+CFLAGS_ISA	:=-mthumb -Wa,-mimplicit-it=always $(AFLAGS_NOWARN)
128121 AFLAGS_ISA	:=$(CFLAGS_ISA) -Wa$(comma)-mthumb
129
-# Work around buggy relocation from gas if requested:
130
-ifeq ($(CONFIG_THUMB2_AVOID_R_ARM_THM_JUMP11),y)
131
-KBUILD_CFLAGS_MODULE	+=-fno-optimize-sibling-calls
132
-endif
133122 else
134123 CFLAGS_ISA	:=$(call cc-option,-marm,) $(AFLAGS_NOWARN)
135124 AFLAGS_ISA	:=$(CFLAGS_ISA)
....@@ -146,20 +135,26 @@
146135 
147136 # Text offset. This list is sorted numerically by address in order to
148137 # provide a means to avoid/resolve conflicts in multi-arch kernels.
138
+# Note: the 32kB below this value is reserved for use by the kernel
139
+# during boot, and this offset is critical to the functioning of
140
+# kexec-tools.
149141 textofs-y	:= 0x00008000
150142 # We don't want the htc bootloader to corrupt kernel during resume
151143 textofs-$(CONFIG_PM_H1940)      := 0x00108000
144
+# RTD1195 has Boot ROM at start of address space
145
+textofs-$(CONFIG_ARCH_REALTEK)  := 0x00108000
152146 # SA1111 DMA bug: we don't want the kernel to live in precious DMA-able memory
153147 ifeq ($(CONFIG_ARCH_SA1100),y)
154148 textofs-$(CONFIG_SA1111) := 0x00208000
155149 endif
150
+textofs-$(CONFIG_ARCH_IPQ40XX) := 0x00208000
156151 textofs-$(CONFIG_ARCH_MSM8X60) := 0x00208000
157152 textofs-$(CONFIG_ARCH_MSM8960) := 0x00208000
158153 textofs-$(CONFIG_ARCH_MESON) := 0x00208000
159154 textofs-$(CONFIG_ARCH_AXXIA) := 0x00308000
160155 textofs-$(CONFIG_CPU_RK3308) := 0x00058000
161
-textofs-$(CONFIG_CPU_PX30) := 0x00208000
162156 ifeq ($(CONFIG_ROCKCHIP_THUNDER_BOOT),y)
157
+textofs-$(CONFIG_CPU_RV1106) := 0x00208000
163158 textofs-$(CONFIG_CPU_RV1126) := 0x00608000
164159 endif
165160 
....@@ -168,6 +163,7 @@
168163 machine-$(CONFIG_ARCH_ACTIONS)		+= actions
169164 machine-$(CONFIG_ARCH_ALPINE)		+= alpine
170165 machine-$(CONFIG_ARCH_ARTPEC)		+= artpec
166
+machine-$(CONFIG_ARCH_ASPEED)           += aspeed
171167 machine-$(CONFIG_ARCH_AT91)		+= at91
172168 machine-$(CONFIG_ARCH_AXXIA)		+= axxia
173169 machine-$(CONFIG_ARCH_BCM)		+= bcm
....@@ -186,12 +182,9 @@
186182 machine-$(CONFIG_ARCH_HIGHBANK)		+= highbank
187183 machine-$(CONFIG_ARCH_HISI)		+= hisi
188184 machine-$(CONFIG_ARCH_INTEGRATOR)	+= integrator
189
-machine-$(CONFIG_ARCH_IOP13XX)		+= iop13xx
190185 machine-$(CONFIG_ARCH_IOP32X)		+= iop32x
191
-machine-$(CONFIG_ARCH_IOP33X)		+= iop33x
192186 machine-$(CONFIG_ARCH_IXP4XX)		+= ixp4xx
193187 machine-$(CONFIG_ARCH_KEYSTONE)		+= keystone
194
-machine-$(CONFIG_ARCH_KS8695)		+= ks8695
195188 machine-$(CONFIG_ARCH_LPC18XX)		+= lpc18xx
196189 machine-$(CONFIG_ARCH_LPC32XX)		+= lpc32xx
197190 machine-$(CONFIG_ARCH_MESON)		+= meson
....@@ -202,8 +195,9 @@
202195 machine-$(CONFIG_ARCH_MVEBU)		+= mvebu
203196 machine-$(CONFIG_ARCH_MXC)		+= imx
204197 machine-$(CONFIG_ARCH_MEDIATEK)		+= mediatek
198
+machine-$(CONFIG_ARCH_MILBEAUT)		+= milbeaut
205199 machine-$(CONFIG_ARCH_MXS)		+= mxs
206
-machine-$(CONFIG_ARCH_NETX)		+= netx
200
+machine-$(CONFIG_ARCH_MSTARV7)		+= mstar
207201 machine-$(CONFIG_ARCH_NOMADIK)		+= nomadik
208202 machine-$(CONFIG_ARCH_NPCM)		+= npcm
209203 machine-$(CONFIG_ARCH_NSPIRE)		+= nspire
....@@ -214,13 +208,14 @@
214208 machine-$(CONFIG_ARCH_PICOXCELL)	+= picoxcell
215209 machine-$(CONFIG_ARCH_PXA)		+= pxa
216210 machine-$(CONFIG_ARCH_QCOM)		+= qcom
211
+machine-$(CONFIG_ARCH_RDA)		+= rda
212
+machine-$(CONFIG_ARCH_REALTEK)		+= realtek
217213 machine-$(CONFIG_ARCH_REALVIEW)		+= realview
218214 ifndef CONFIG_ARM_PSCI
219215 machine-$(CONFIG_ARCH_ROCKCHIP)		+= rockchip
220216 endif
221217 machine-$(CONFIG_ARCH_RPC)		+= rpc
222
-machine-$(CONFIG_ARCH_S3C24XX)		+= s3c24xx
223
-machine-$(CONFIG_ARCH_S3C64XX)		+= s3c64xx
218
+machine-$(CONFIG_PLAT_SAMSUNG)		+= s3c
224219 machine-$(CONFIG_ARCH_S5PV210)		+= s5pv210
225220 machine-$(CONFIG_ARCH_SA1100)		+= sa1100
226221 machine-$(CONFIG_ARCH_RENESAS)	 	+= shmobile
....@@ -236,21 +231,15 @@
236231 machine-$(CONFIG_ARCH_VERSATILE)	+= versatile
237232 machine-$(CONFIG_ARCH_VEXPRESS)		+= vexpress
238233 machine-$(CONFIG_ARCH_VT8500)		+= vt8500
239
-machine-$(CONFIG_ARCH_W90X900)		+= w90x900
240234 machine-$(CONFIG_ARCH_ZX)		+= zx
241235 machine-$(CONFIG_ARCH_ZYNQ)		+= zynq
242236 machine-$(CONFIG_PLAT_SPEAR)		+= spear
243237 
244238 # Platform directory name.  This list is sorted alphanumerically
245239 # by CONFIG_* macro name.
246
-plat-$(CONFIG_ARCH_EXYNOS)	+= samsung
247240 plat-$(CONFIG_ARCH_OMAP)	+= omap
248
-plat-$(CONFIG_ARCH_S3C64XX)	+= samsung
249
-plat-$(CONFIG_ARCH_S5PV210)	+= samsung
250
-plat-$(CONFIG_PLAT_IOP)		+= iop
251241 plat-$(CONFIG_PLAT_ORION)	+= orion
252242 plat-$(CONFIG_PLAT_PXA)		+= pxa
253
-plat-$(CONFIG_PLAT_S3C24XX)	+= samsung
254243 plat-$(CONFIG_PLAT_VERSATILE)	+= versatile
255244 
256245 ifeq ($(CONFIG_ARCH_EBSA110),y)
....@@ -278,36 +267,19 @@
278267 
279268 ifneq ($(CONFIG_ARCH_MULTIPLATFORM),y)
280269 ifneq ($(CONFIG_ARM_SINGLE_ARMV7M),y)
281
-ifeq ($(KBUILD_SRC),)
282
-KBUILD_CPPFLAGS += $(patsubst %,-I%include,$(machdirs) $(platdirs))
283
-else
284270 KBUILD_CPPFLAGS += $(patsubst %,-I$(srctree)/%include,$(machdirs) $(platdirs))
285
-endif
286271 endif
287272 endif
288273 
289274 export	TEXT_OFFSET GZFLAGS MMUEXT
290275 
291
-# Do we have FASTFPE?
292
-FASTFPE		:=arch/arm/fastfpe
293
-ifeq ($(FASTFPE),$(wildcard $(FASTFPE)))
294
-FASTFPE_OBJ	:=$(FASTFPE)/
295
-endif
296
-
297
-core-$(CONFIG_FPE_NWFPE)	+= arch/arm/nwfpe/
298
-core-$(CONFIG_FPE_FASTFPE)	+= $(FASTFPE_OBJ)
299
-core-$(CONFIG_VFP)		+= arch/arm/vfp/
300
-core-$(CONFIG_XEN)		+= arch/arm/xen/
301
-core-$(CONFIG_KVM_ARM_HOST) 	+= arch/arm/kvm/
302
-core-$(CONFIG_VDSO)		+= arch/arm/vdso/
303
-
276
+core-y				+= arch/arm/
304277 # If we have a machine-specific directory, then include it in the build.
305
-core-y				+= arch/arm/kernel/ arch/arm/mm/ arch/arm/common/
306
-core-y				+= arch/arm/probes/
307
-core-y				+= arch/arm/net/
308
-core-y				+= arch/arm/crypto/
309
-core-y				+= arch/arm/firmware/
310278 core-y				+= $(machdirs) $(platdirs)
279
+
280
+# For cleaning
281
+core-				+= $(patsubst %,arch/arm/mach-%/, $(machine-))
282
+core-				+= $(patsubst %,arch/arm/plat-%/, $(plat-))
311283 
312284 drivers-$(CONFIG_OPROFILE)      += arch/arm/oprofile/
313285 
....@@ -321,12 +293,21 @@
321293 KBUILD_IMAGE := $(boot)/zImage
322294 endif
323295 
324
-# Build the DT binary blobs if we have OF configured
325
-ifeq ($(CONFIG_USE_OF),y)
326
-KBUILD_DTBS := dtbs
296
+ifeq ($(CONFIG_STACKPROTECTOR_PER_TASK),y)
297
+prepare: stack_protector_prepare
298
+stack_protector_prepare: prepare0
299
+	$(eval SSP_PLUGIN_CFLAGS := \
300
+		-fplugin-arg-arm_ssp_per_task_plugin-tso=$(shell	\
301
+			awk '{if ($$2 == "THREAD_SZ_ORDER") print $$3;}'\
302
+				include/generated/asm-offsets.h)	\
303
+		-fplugin-arg-arm_ssp_per_task_plugin-offset=$(shell	\
304
+			awk '{if ($$2 == "TI_STACK_CANARY") print $$3;}'\
305
+				include/generated/asm-offsets.h))
306
+	$(eval KBUILD_CFLAGS += $(SSP_PLUGIN_CFLAGS))
307
+	$(eval GCC_PLUGINS_CFLAGS += $(SSP_PLUGIN_CFLAGS))
327308 endif
328309 
329
-all:	$(notdir $(KBUILD_IMAGE)) $(KBUILD_DTBS)
310
+all:	$(notdir $(KBUILD_IMAGE))
330311 
331312 
332313 archheaders:
....@@ -354,17 +335,6 @@
354335 $(INSTALL_TARGETS):
355336 	$(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $@
356337 
357
-%.dtb: | scripts
358
-	$(Q)$(MAKE) $(build)=$(boot)/dts MACHINE=$(MACHINE) $(boot)/dts/$@
359
-
360
-PHONY += dtbs dtbs_install
361
-
362
-dtbs: prepare scripts
363
-	$(Q)$(MAKE) $(build)=$(boot)/dts
364
-
365
-dtbs_install:
366
-	$(Q)$(MAKE) $(dtbinst)=$(boot)/dts
367
-
368338 PHONY += vdso_install
369339 vdso_install:
370340 ifeq ($(CONFIG_VDSO),y)
....@@ -386,8 +356,6 @@
386356   echo  '  uImage        - U-Boot wrapped zImage'
387357   echo  '  bootpImage    - Combined zImage and initial RAM disk'
388358   echo  '                  (supply initrd image via make variable INITRD=<path>)'
389
-  echo  '* dtbs          - Build device tree blobs for enabled boards'
390
-  echo  '  dtbs_install  - Install dtbs to $(INSTALL_DTBS_PATH)'
391359   echo  '  install       - Install uncompressed kernel'
392360   echo  '  zinstall      - Install compressed kernel'
393361   echo  '  uinstall      - Install U-Boot wrapped compressed kernel'
....@@ -397,19 +365,14 @@
397365   echo  '  vdso_install  - Install unstripped vdso.so to $$(INSTALL_MOD_PATH)/vdso'
398366 endef
399367 
400
-kernel.img: zImage
401
-	$(Q)scripts/mkkrnlimg $(objtree)/arch/arm/boot/zImage $(objtree)/kernel.img >/dev/null
402
-	@echo '  Image:  kernel.img (with zImage) is ready'
403
-ifdef CONFIG_MODULES
404
-	$(Q)if [ "$(srctree)" = "$(objtree)" ]; then $(MAKE) modules; fi
405
-endif
368
+MAKE_MODULES ?= y
406369 
407
-ifdef CONFIG_DRM
408
-LOGO := $(notdir $(wildcard $(srctree)/logo.bmp))
409
-LOGO_KERNEL := $(notdir $(wildcard $(srctree)/logo_kernel.bmp))
370
+%.img:
371
+ifeq ("$(CONFIG_MODULES)$(MAKE_MODULES)$(srctree)","yy$(objtree)")
372
+	$(Q)$(MAKE) $*.dtb zImage Image.gz modules
373
+else
374
+	$(Q)$(MAKE) $*.dtb zImage Image.gz
410375 endif
411
-
412
-%.img: %.dtb kernel.img $(LOGO) $(LOGO_KERNEL)
413376 	$(Q)$(srctree)/scripts/mkimg --dtb $*.dtb
414377 
415378 CLEAN_DIRS += out