Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   1) # SPDX-License-Identifier: GPL-2.0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   2) #
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   3) # linux/arch/x86/boot/compressed/Makefile
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   4) #
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   5) # create a compressed vmlinux image from the original vmlinux
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   6) #
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   7) # vmlinuz is:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   8) #	decompression code (*.o)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   9) #	asm globals (piggy.S), including:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  10) #		vmlinux.bin.(gz|bz2|lzma|...)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  11) #
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  12) # vmlinux.bin is:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  13) #	vmlinux stripped of debugging and comments
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  14) # vmlinux.bin.all is:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  15) #	vmlinux.bin + vmlinux.relocs
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  16) # vmlinux.bin.(gz|bz2|lzma|...) is:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  17) #	(see scripts/Makefile.lib size_append)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  18) #	compressed vmlinux.bin.all + u32 size of vmlinux.bin.all
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  19) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  20) # Sanitizer runtimes are unavailable and cannot be linked for early boot code.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  21) KASAN_SANITIZE			:= n
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  22) KCSAN_SANITIZE			:= n
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  23) OBJECT_FILES_NON_STANDARD	:= y
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  24) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  25) # Prevents link failures: __sanitizer_cov_trace_pc() is not linked in.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  26) KCOV_INSTRUMENT		:= n
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  27) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  28) targets := vmlinux vmlinux.bin vmlinux.bin.gz vmlinux.bin.bz2 vmlinux.bin.lzma \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  29) 	vmlinux.bin.xz vmlinux.bin.lzo vmlinux.bin.lz4 vmlinux.bin.zst
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  30) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  31) # CLANG_FLAGS must come before any cc-disable-warning or cc-option calls in
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  32) # case of cross compiling, as it has the '--target=' flag, which is needed to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  33) # avoid errors with '-march=i386', and future flags may depend on the target to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  34) # be valid.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  35) KBUILD_CFLAGS := -m$(BITS) -O2 $(CLANG_FLAGS)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  36) KBUILD_CFLAGS += -fno-strict-aliasing -fPIE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  37) KBUILD_CFLAGS += -DDISABLE_BRANCH_PROFILING
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  38) cflags-$(CONFIG_X86_32) := -march=i386
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  39) cflags-$(CONFIG_X86_64) := -mcmodel=small -mno-red-zone
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  40) KBUILD_CFLAGS += $(cflags-y)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  41) KBUILD_CFLAGS += -mno-mmx -mno-sse
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  42) KBUILD_CFLAGS += -ffreestanding
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  43) KBUILD_CFLAGS += -fno-stack-protector
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  44) KBUILD_CFLAGS += $(call cc-disable-warning, address-of-packed-member)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  45) KBUILD_CFLAGS += $(call cc-disable-warning, gnu)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  46) KBUILD_CFLAGS += -Wno-pointer-sign
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  47) KBUILD_CFLAGS += $(call cc-option,-fmacro-prefix-map=$(srctree)/=)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  48) KBUILD_CFLAGS += -fno-asynchronous-unwind-tables
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  49) KBUILD_CFLAGS += -D__DISABLE_EXPORTS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  50) # Disable relocation relaxation in case the link is not PIE.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  51) KBUILD_CFLAGS += $(call as-option,-Wa$(comma)-mrelax-relocations=no)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  52) KBUILD_CFLAGS += -include $(srctree)/include/linux/hidden.h
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  53) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  54) # sev-es.c indirectly inludes inat-table.h which is generated during
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  55) # compilation and stored in $(objtree). Add the directory to the includes so
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  56) # that the compiler finds it even with out-of-tree builds (make O=/some/path).
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  57) CFLAGS_sev-es.o += -I$(objtree)/arch/x86/lib/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  58) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  59) KBUILD_AFLAGS  := $(KBUILD_CFLAGS) -D__ASSEMBLY__
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  60) GCOV_PROFILE := n
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  61) UBSAN_SANITIZE :=n
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  62) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  63) KBUILD_LDFLAGS := -m elf_$(UTS_MACHINE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  64) KBUILD_LDFLAGS += $(call ld-option,--no-ld-generated-unwind-info)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  65) # Compressed kernel should be built as PIE since it may be loaded at any
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  66) # address by the bootloader.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  67) LDFLAGS_vmlinux := -pie $(call ld-option, --no-dynamic-linker)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  68) ifdef CONFIG_LD_ORPHAN_WARN
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  69) LDFLAGS_vmlinux += --orphan-handling=warn
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  70) endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  71) LDFLAGS_vmlinux += -T
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  72) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  73) hostprogs	:= mkpiggy
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  74) HOST_EXTRACFLAGS += -I$(srctree)/tools/include
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  75) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  76) sed-voffset := -e 's/^\([0-9a-fA-F]*\) [ABCDGRSTVW] \(_text\|__bss_start\|_end\)$$/\#define VO_\2 _AC(0x\1,UL)/p'
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  77) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  78) quiet_cmd_voffset = VOFFSET $@
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  79)       cmd_voffset = $(NM) $< | sed -n $(sed-voffset) > $@
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  80) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  81) targets += ../voffset.h
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  82) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  83) $(obj)/../voffset.h: vmlinux FORCE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  84) 	$(call if_changed,voffset)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  85) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  86) $(obj)/misc.o: $(obj)/../voffset.h
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  87) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  88) vmlinux-objs-y := $(obj)/vmlinux.lds $(obj)/kernel_info.o $(obj)/head_$(BITS).o \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  89) 	$(obj)/misc.o $(obj)/string.o $(obj)/cmdline.o $(obj)/error.o \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  90) 	$(obj)/piggy.o $(obj)/cpuflags.o
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  91) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  92) vmlinux-objs-$(CONFIG_EARLY_PRINTK) += $(obj)/early_serial_console.o
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  93) vmlinux-objs-$(CONFIG_RANDOMIZE_BASE) += $(obj)/kaslr.o
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  94) ifdef CONFIG_X86_64
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  95) 	vmlinux-objs-y += $(obj)/ident_map_64.o
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  96) 	vmlinux-objs-y += $(obj)/idt_64.o $(obj)/idt_handlers_64.o
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  97) 	vmlinux-objs-y += $(obj)/mem_encrypt.o
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  98) 	vmlinux-objs-y += $(obj)/pgtable_64.o
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  99) 	vmlinux-objs-$(CONFIG_AMD_MEM_ENCRYPT) += $(obj)/sev-es.o
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) vmlinux-objs-$(CONFIG_ACPI) += $(obj)/acpi.o
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) vmlinux-objs-$(CONFIG_EFI_MIXED) += $(obj)/efi_thunk_$(BITS).o
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) efi-obj-$(CONFIG_EFI_STUB) = $(objtree)/drivers/firmware/efi/libstub/lib.a
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) $(obj)/vmlinux: $(vmlinux-objs-y) $(efi-obj-y) FORCE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) 	$(call if_changed,ld)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) OBJCOPYFLAGS_vmlinux.bin :=  -R .comment -S
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) $(obj)/vmlinux.bin: vmlinux FORCE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) 	$(call if_changed,objcopy)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) targets += $(patsubst $(obj)/%,%,$(vmlinux-objs-y)) vmlinux.bin.all vmlinux.relocs
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) CMD_RELOCS = arch/x86/tools/relocs
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) quiet_cmd_relocs = RELOCS  $@
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118)       cmd_relocs = $(CMD_RELOCS) $< > $@;$(CMD_RELOCS) --abs-relocs $<
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) $(obj)/vmlinux.relocs: vmlinux FORCE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) 	$(call if_changed,relocs)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) vmlinux.bin.all-y := $(obj)/vmlinux.bin
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) vmlinux.bin.all-$(CONFIG_X86_NEED_RELOCS) += $(obj)/vmlinux.relocs
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) $(obj)/vmlinux.bin.gz: $(vmlinux.bin.all-y) FORCE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) 	$(call if_changed,gzip)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) $(obj)/vmlinux.bin.bz2: $(vmlinux.bin.all-y) FORCE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) 	$(call if_changed,bzip2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) $(obj)/vmlinux.bin.lzma: $(vmlinux.bin.all-y) FORCE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) 	$(call if_changed,lzma)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) $(obj)/vmlinux.bin.xz: $(vmlinux.bin.all-y) FORCE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) 	$(call if_changed,xzkern)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) $(obj)/vmlinux.bin.lzo: $(vmlinux.bin.all-y) FORCE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) 	$(call if_changed,lzo)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) $(obj)/vmlinux.bin.lz4: $(vmlinux.bin.all-y) FORCE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) 	$(call if_changed,lz4)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) $(obj)/vmlinux.bin.zst: $(vmlinux.bin.all-y) FORCE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) 	$(call if_changed,zstd22)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) suffix-$(CONFIG_KERNEL_GZIP)	:= gz
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) suffix-$(CONFIG_KERNEL_BZIP2)	:= bz2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) suffix-$(CONFIG_KERNEL_LZMA)	:= lzma
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) suffix-$(CONFIG_KERNEL_XZ)	:= xz
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) suffix-$(CONFIG_KERNEL_LZO) 	:= lzo
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) suffix-$(CONFIG_KERNEL_LZ4) 	:= lz4
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) suffix-$(CONFIG_KERNEL_ZSTD)	:= zst
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) quiet_cmd_mkpiggy = MKPIGGY $@
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149)       cmd_mkpiggy = $(obj)/mkpiggy $< > $@
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) targets += piggy.S
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) $(obj)/piggy.S: $(obj)/vmlinux.bin.$(suffix-y) $(obj)/mkpiggy FORCE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) 	$(call if_changed,mkpiggy)