add driver 5G

hc

2024-01-31 f9004dbfff8a3fbbd7e2a88c8a4327c7f2f8e5b2

 kernel/arch/arm/vdso/Makefile
..
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@@ -1,21 +1,25 @@
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 # SPDX-License-Identifier: GPL-2.0
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-hostprogs-y := vdsomunge
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-obj-vdso := vgettimeofday.o datapage.o
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+# Absolute relocation type $(ARCH_REL_TYPE_ABS) needs to be defined before
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+# the inclusion of generic Makefile.
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+ARCH_REL_TYPE_ABS := R_ARM_JUMP_SLOT|R_ARM_GLOB_DAT|R_ARM_ABS32
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+include $(srctree)/lib/vdso/Makefile
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+
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+hostprogs := vdsomunge
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+
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+obj-vdso := vgettimeofday.o datapage.o note.o
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 # Build rules
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 targets := $(obj-vdso) vdso.so vdso.so.dbg vdso.so.raw vdso.lds
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 obj-vdso := $(addprefix $(obj)/, $(obj-vdso))
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 ccflags-y := -fPIC -fno-common -fno-builtin -fno-stack-protector
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-ccflags-y += -DDISABLE_BRANCH_PROFILING
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+ccflags-y += -DDISABLE_BRANCH_PROFILING -DBUILD_VDSO32
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 ldflags-$(CONFIG_CPU_ENDIAN_BE8) := --be8
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 ldflags-y := -Bsymbolic --no-undefined -soname=linux-vdso.so.1 \
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-	    -z max-page-size=4096 -z common-page-size=4096 \
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-	    -nostdlib -shared $(ldflags-y) \
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-	    $(call ld-option, --hash-style=sysv) \
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-	    $(call ld-option, --build-id) \
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+	    -z max-page-size=4096 -nostdlib -shared $(ldflags-y) \
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+	    --hash-style=sysv --build-id=sha1 \
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 	    -T
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 obj-$(CONFIG_VDSO) += vdso.o
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@@ -25,8 +29,12 @@
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 CFLAGS_REMOVE_vdso.o = -pg
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 # Force -O2 to avoid libgcc dependencies
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-CFLAGS_REMOVE_vgettimeofday.o = -pg -Os
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+CFLAGS_REMOVE_vgettimeofday.o = -pg -Os $(GCC_PLUGINS_CFLAGS)
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+ifeq ($(c-gettimeofday-y),)
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 CFLAGS_vgettimeofday.o = -O2
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+else
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+CFLAGS_vgettimeofday.o = -O2 -include $(c-gettimeofday-y)
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+endif
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 # Disable gcov profiling for VDSO code
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 GCOV_PROFILE := n
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@@ -39,7 +47,7 @@
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 # Link rule for the .so file
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 $(obj)/vdso.so.raw: $(obj)/vdso.lds $(obj-vdso) FORCE
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-	$(call if_changed,ld)
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+	$(call if_changed,vdsold_and_vdso_check)
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 $(obj)/vdso.so.dbg: $(obj)/vdso.so.raw $(obj)/vdsomunge FORCE
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 	$(call if_changed,vdsomunge)
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@@ -49,6 +57,10 @@
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 $(obj)/%.so: $(obj)/%.so.dbg FORCE
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 	$(call if_changed,objcopy)
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+# Actual build commands
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+quiet_cmd_vdsold_and_vdso_check = LD      $@
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+      cmd_vdsold_and_vdso_check = $(cmd_ld); $(cmd_vdso_check)
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+
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 quiet_cmd_vdsomunge = MUNGE   $@
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       cmd_vdsomunge = $(objtree)/$(obj)/vdsomunge $< $@
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