add wifi6 8852be driver

hc

2024-12-19 9370bb92b2d16684ee45cf24e879c93c509162da

 kernel/arch/x86/purgatory/Makefile
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@@ -9,24 +9,37 @@
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 $(obj)/string.o: $(srctree)/arch/x86/boot/compressed/string.c FORCE
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 	$(call if_changed_rule,cc_o_c)
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-$(obj)/sha256.o: $(srctree)/lib/sha256.c FORCE
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+$(obj)/sha256.o: $(srctree)/lib/crypto/sha256.c FORCE
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 	$(call if_changed_rule,cc_o_c)
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-LDFLAGS_purgatory.ro := -e purgatory_start -r --no-undefined -nostdlib -z nodefaultlib
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-targets += purgatory.ro
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+CFLAGS_sha256.o := -D__DISABLE_EXPORTS
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+
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+# When profile-guided optimization is enabled, llvm emits two different
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+# overlapping text sections, which is not supported by kexec. Remove profile
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+# optimization flags.
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+KBUILD_CFLAGS := $(filter-out -fprofile-sample-use=% -fprofile-use=%,$(KBUILD_CFLAGS))
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+
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+# When linking purgatory.ro with -r unresolved symbols are not checked,
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+# also link a purgatory.chk binary without -r to check for unresolved symbols.
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+PURGATORY_LDFLAGS := -e purgatory_start -nostdlib -z nodefaultlib
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+LDFLAGS_purgatory.ro := -r $(PURGATORY_LDFLAGS)
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+LDFLAGS_purgatory.chk := $(PURGATORY_LDFLAGS)
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+targets += purgatory.ro purgatory.chk
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 # Sanitizer, etc. runtimes are unavailable and cannot be linked here.
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 GCOV_PROFILE	:= n
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 KASAN_SANITIZE	:= n
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 UBSAN_SANITIZE	:= n
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+KCSAN_SANITIZE	:= n
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 KCOV_INSTRUMENT := n
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 # These are adjustments to the compiler flags used for objects that
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 # make up the standalone purgatory.ro
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-PURGATORY_CFLAGS_REMOVE := -mcmodel=kernel
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-PURGATORY_CFLAGS := -mcmodel=large -ffreestanding -fno-zero-initialized-in-bss
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+PURGATORY_CFLAGS_REMOVE := -mcmodel=kernel $(CC_FLAGS_CFI)
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+PURGATORY_CFLAGS := -mcmodel=large -ffreestanding -fno-zero-initialized-in-bss -g0
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 PURGATORY_CFLAGS += $(DISABLE_STACKLEAK_PLUGIN) -DDISABLE_BRANCH_PROFILING
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+PURGATORY_CFLAGS += -fno-stack-protector
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 # Default KBUILD_CFLAGS can have -pg option set when FTRACE is enabled. That
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 # in turn leaves some undefined symbols like __fentry__ in purgatory and not
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@@ -56,7 +69,12 @@
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 CFLAGS_REMOVE_string.o		+= $(PURGATORY_CFLAGS_REMOVE)
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 CFLAGS_string.o			+= $(PURGATORY_CFLAGS)
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+asflags-remove-y		+= -g -Wa,-gdwarf-2
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+
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 $(obj)/purgatory.ro: $(PURGATORY_OBJS) FORCE
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+		$(call if_changed,ld)
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+
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+$(obj)/purgatory.chk: $(obj)/purgatory.ro FORCE
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 		$(call if_changed,ld)
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 targets += kexec-purgatory.c
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@@ -64,7 +82,7 @@
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 quiet_cmd_bin2c = BIN2C   $@
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       cmd_bin2c = $(objtree)/scripts/bin2c kexec_purgatory < $< > $@
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-$(obj)/kexec-purgatory.c: $(obj)/purgatory.ro FORCE
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+$(obj)/kexec-purgatory.c: $(obj)/purgatory.ro $(obj)/purgatory.chk FORCE
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 	$(call if_changed,bin2c)
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 obj-$(CONFIG_KEXEC_FILE)	+= kexec-purgatory.o