修改4g拨号为QMI,需要在系统里后台执行quectel-CM

hc

2024-10-22 8ac6c7a54ed1b98d142dce24b11c6de6a1e239a5

 kernel/arch/arm64/kernel/vdso32/Makefile
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@@ -10,18 +10,15 @@
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 # Same as cc-*option, but using CC_COMPAT instead of CC
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 ifeq ($(CONFIG_CC_IS_CLANG), y)
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-CC_COMPAT_CLANG_FLAGS := --target=$(notdir $(CROSS_COMPILE_COMPAT:%-=%))
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-
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 CC_COMPAT ?= $(CC)
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-CC_COMPAT += $(CC_COMPAT_CLANG_FLAGS)
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-
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-ifeq ($(LLVM),1)
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-LD_COMPAT ?= $(LD)
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-else
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-LD_COMPAT ?= $(CROSS_COMPILE_COMPAT)ld
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-endif
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+CC_COMPAT += --target=arm-linux-gnueabi
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 else
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 CC_COMPAT ?= $(CROSS_COMPILE_COMPAT)gcc
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+endif
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+
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+ifeq ($(CONFIG_LD_IS_LLD), y)
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+LD_COMPAT ?= $(LD)
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+else
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 LD_COMPAT ?= $(CROSS_COMPILE_COMPAT)ld
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 endif
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@@ -40,17 +37,13 @@
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 # As a result we set our own flags here.
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 # KBUILD_CPPFLAGS and NOSTDINC_FLAGS from top-level Makefile
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-VDSO_CPPFLAGS := -D__KERNEL__ -nostdinc
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+VDSO_CPPFLAGS := -DBUILD_VDSO -D__KERNEL__ -nostdinc
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 VDSO_CPPFLAGS += -isystem $(shell $(CC_COMPAT) -print-file-name=include 2>/dev/null)
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 VDSO_CPPFLAGS += $(LINUXINCLUDE)
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 # Common C and assembly flags
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 # From top-level Makefile
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 VDSO_CAFLAGS := $(VDSO_CPPFLAGS)
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-ifneq ($(shell $(CC_COMPAT) --version 2>&1 | head -n 1 | grep clang),)
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-VDSO_CAFLAGS += --target=$(notdir $(CROSS_COMPILE_COMPAT:%-=%))
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-endif
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-
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 VDSO_CAFLAGS += $(call cc32-option,-fno-PIE)
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 ifdef CONFIG_DEBUG_INFO
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 VDSO_CAFLAGS += -g
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@@ -88,9 +81,9 @@
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 # Some useful compiler-dependent flags from top-level Makefile
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 VDSO_CFLAGS += $(call cc32-option,-Wdeclaration-after-statement,)
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 VDSO_CFLAGS += $(call cc32-option,-Wno-pointer-sign)
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-VDSO_CFLAGS += $(call cc32-option,-fno-strict-overflow)
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+VDSO_CFLAGS += -fno-strict-overflow
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 VDSO_CFLAGS += $(call cc32-option,-Werror=strict-prototypes)
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-VDSO_CFLAGS += $(call cc32-option,-Werror=date-time)
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+VDSO_CFLAGS += -Werror=date-time
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 VDSO_CFLAGS += $(call cc32-option,-Werror=incompatible-pointer-types)
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 # The 32-bit compiler does not provide 128-bit integers, which are used in
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@@ -102,6 +95,14 @@
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 # (on GCC 4.8 or older, there is unfortunately no way to silence this warning)
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 VDSO_CFLAGS += $(call cc32-disable-warning,shift-count-overflow)
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 VDSO_CFLAGS += -Wno-int-to-pointer-cast
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+
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+# Compile as THUMB2 or ARM. Unwinding via frame-pointers in THUMB2 is
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+# unreliable.
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+ifeq ($(CONFIG_THUMB2_COMPAT_VDSO), y)
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+VDSO_CFLAGS += -mthumb -fomit-frame-pointer
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+else
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+VDSO_CFLAGS += -marm
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+endif
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 VDSO_AFLAGS := $(VDSO_CAFLAGS)
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 VDSO_AFLAGS += -D__ASSEMBLY__
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@@ -115,18 +116,17 @@
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 # From arm vDSO Makefile
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 VDSO_LDFLAGS += -Bsymbolic --no-undefined -soname=linux-vdso.so.1
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 VDSO_LDFLAGS += -z max-page-size=4096 -z common-page-size=4096
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-VDSO_LDFLAGS += -nostdlib -shared --hash-style=sysv --build-id
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+VDSO_LDFLAGS += -nostdlib -shared --hash-style=sysv --build-id=sha1
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 # Borrow vdsomunge.c from the arm vDSO
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 # We have to use a relative path because scripts/Makefile.host prefixes
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-# $(hostprogs-y) with $(obj)
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+# $(hostprogs) with $(obj)
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 munge := ../../../arm/vdso/vdsomunge
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-hostprogs-y := $(munge)
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+hostprogs := $(munge)
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 c-obj-vdso := note.o
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 c-obj-vdso-gettimeofday := vgettimeofday.o
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-asm-obj-vdso := sigreturn.o
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 ifneq ($(c-gettimeofday-y),)
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 VDSO_CFLAGS_gettimeofday_o += -include $(c-gettimeofday-y)
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@@ -142,7 +142,7 @@
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 obj-vdso := $(c-obj-vdso) $(c-obj-vdso-gettimeofday) $(asm-obj-vdso)
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 obj-y += vdso.o
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-extra-y += vdso.lds
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+targets += vdso.lds
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 CPPFLAGS_vdso.lds += -P -C -U$(ARCH)
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 # Force dependency (vdso.s includes vdso.so through incbin)