build: do not use link-zephyr
Use makefile targets to build and link final binary. This removes dependency on a shell script which is not portable and imporves dependency tracking when building. Change-Id: Ib75f162cdb1dde35ccaf980658bfe70daaf581b6 Signed-off-by: Anas Nashif <anas.nashif@intel.com>
This commit is contained in:
Anas Nashif
parent
204b66d150
commit
06e78de681
120
Makefile
120
Makefile
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@ -330,8 +330,9 @@ ARCH = $(subst $(DQUOTE),,$(CONFIG_ARCH))
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BOARD_NAME = $(subst $(DQUOTE),,$(CONFIG_BOARD))
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BOARD_NAME = $(subst $(DQUOTE),,$(CONFIG_BOARD))
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KERNEL_NAME = $(subst $(DQUOTE),,$(CONFIG_KERNEL_BIN_NAME))
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KERNEL_NAME = $(subst $(DQUOTE),,$(CONFIG_KERNEL_BIN_NAME))
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KERNEL_ELF_NAME = $(KERNEL_NAME).elf
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KERNEL_ELF_NAME = $(KERNEL_NAME).elf
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KERNEL_BIN_NAME = $(KERNEL_NAME).bin
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export SOC_NAME BOARD_NAME ARCH KERNEL_NAME KERNEL_ELF_NAME
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export SOC_NAME BOARD_NAME ARCH KERNEL_NAME KERNEL_ELF_NAME KERNEL_BIN_NAME
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# Use ZEPHYRINCLUDE when you must reference the include/ directory.
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# Use ZEPHYRINCLUDE when you must reference the include/ directory.
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# Needed to be compatible with the O= option
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# Needed to be compatible with the O= option
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ZEPHYRINCLUDE = \
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ZEPHYRINCLUDE = \
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@ -560,7 +561,6 @@ QEMU = $(QEMU_BIN_PATH)/$(QEMU_$(ARCH))
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# Defaults to zephyr, but the arch makefile usually adds further targets
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# Defaults to zephyr, but the arch makefile usually adds further targets
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all: zephyr
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all: zephyr
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ifdef CONFIG_READABLE_ASM
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ifdef CONFIG_READABLE_ASM
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# Disable optimizations that make assembler listings hard to read.
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# Disable optimizations that make assembler listings hard to read.
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# reorder blocks reorders the control in the function
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# reorder blocks reorders the control in the function
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@ -619,7 +619,7 @@ endif
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KBUILD_CFLAGS += $(subst $(DQUOTE),,$(CONFIG_COMPILER_OPT))
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KBUILD_CFLAGS += $(subst $(DQUOTE),,$(CONFIG_COMPILER_OPT))
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export LDFLAG_LINKERCMD OUTPUT_FORMAT OUTPUT_ARCH
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export LDFLAG_LINKERCMD
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include arch/$(ARCH)/Makefile
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include arch/$(ARCH)/Makefile
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@ -706,6 +706,12 @@ endif
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export LD_TOOLCHAIN KBUILD_LDS
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export LD_TOOLCHAIN KBUILD_LDS
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# The all: target is the default when no target is given on the
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# command line.
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# This allow a user to issue only 'make' to build a kernel including modules
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# Defaults to zephyr, but the arch makefile usually adds further targets
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all: $(KERNEL_BIN_NAME)
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# Default kernel image to build when no specific target is given.
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# Default kernel image to build when no specific target is given.
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# KBUILD_IMAGE may be overruled on the command line or
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# KBUILD_IMAGE may be overruled on the command line or
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# set in the environment
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# set in the environment
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@ -726,7 +732,6 @@ libs-y1 := $(patsubst %/, %/lib.a, $(libs-y))
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libs-y2 := $(patsubst %/, %/built-in.o, $(libs-y))
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libs-y2 := $(patsubst %/, %/built-in.o, $(libs-y))
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libs-y := $(libs-y1) $(libs-y2)
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libs-y := $(libs-y1) $(libs-y2)
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# Externally visible symbols (used by link-zephyr.sh)
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export KBUILD_ZEPHYR_MAIN := $(drivers-y) $(core-y) $(libs-y) $(app-y)
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export KBUILD_ZEPHYR_MAIN := $(drivers-y) $(core-y) $(libs-y) $(app-y)
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export LDFLAGS_zephyr
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export LDFLAGS_zephyr
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@ -735,21 +740,94 @@ zephyr-deps := $(KBUILD_LDS) $(KBUILD_ZEPHYR_MAIN)
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ALL_LIBS += $(TOOLCHAIN_LIBS)
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ALL_LIBS += $(TOOLCHAIN_LIBS)
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export ALL_LIBS
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export ALL_LIBS
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# Final link of zephyr
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LINK_LIBS := $(foreach l,$(ALL_LIBS), -l$(l))
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cmd_link-zephyr = $(CONFIG_SHELL) $< $(LD) $(LDFLAGS) $(LDFLAGS_zephyr) $(LIB_INCLUDE_DIR) $(ALL_LIBS)
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quiet_cmd_link-zephyr = LINK $@
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# Include targets which we want to
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OUTPUT_FORMAT ?= elf32-i386
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# execute if the rest of the kernel build went well.
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OUTPUT_ARCH ?= i386
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zephyr: scripts/link-zephyr.sh $(zephyr-deps) $(KBUILD_ZEPHYR_APP) FORCE
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@touch zephyr
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quiet_cmd_create-lnk = LINK $@
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ifdef CONFIG_HEADERS_CHECK
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cmd_create-lnk = \
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$(Q)$(MAKE) -f $(srctree)/Makefile headers_check
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( \
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echo $(LDFLAGS_zephyr); \
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echo "-Map ./$(KERNEL_NAME).map"; \
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echo "-L $(objtree)/include/generated"; \
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echo "-u _OffsetAbsSyms -u _ConfigAbsSyms"; \
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echo "-e __start"; \
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echo "--start-group"; \
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echo "$(KBUILD_ZEPHYR_MAIN)"; \
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echo "$(objtree)/arch/$(ARCH)/core/offsets/offsets.o"; \
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echo "--end-group"; \
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echo "$(LIB_INCLUDE_DIR) $(LINK_LIBS)"; \
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) > $@
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$(KERNEL_NAME).lnk:
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$(call cmd,create-lnk)
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linker.cmd:
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$(Q)$(CC) -x assembler-with-cpp -nostdinc -undef -E -P \
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$(LDFLAG_LINKERCMD) $(LD_TOOLCHAIN) -I$(srctree)/include \
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-I$(objtree)/include/generated $(KBUILD_LDS) -o $@
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final-linker.cmd:
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$(Q)$(CC) -x assembler-with-cpp -nostdinc -undef -E -P \
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$(LDFLAG_LINKERCMD) $(LD_TOOLCHAIN) -DFINAL_LINK -I$(srctree)/include \
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-I$(objtree)/include/generated $(KBUILD_LDS) -o $@
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TMP_ELF = .tmp_$(KERNEL_NAME).prebuilt
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$(TMP_ELF): $(KBUILD_ZEPHYR_APP) linker.cmd $(KERNEL_NAME).lnk
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$(Q)$(LD) -T linker.cmd @$(KERNEL_NAME).lnk -o $@
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quiet_cmd_gen_idt = SIDT $@
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cmd_gen_idt = \
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( \
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$(OBJCOPY) -I $(OUTPUT_FORMAT) -O binary -j intList $< isrList.bin; \
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$(GENIDT) -i isrList.bin -n $(CONFIG_IDT_NUM_VECTORS) -o staticIdt.bin \
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-b int_vector_alloc.bin -m irq_int_vector_map.bin; \
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$(OBJCOPY) -I binary -B $(OUTPUT_ARCH) -O $(OUTPUT_FORMAT) \
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--rename-section .data=staticIdt staticIdt.bin staticIdt.o; \
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$(OBJCOPY) -I binary -B $(OUTPUT_ARCH) -O $(OUTPUT_FORMAT) \
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--rename-section .data=int_vector_alloc int_vector_alloc.bin int_vector_alloc.o;\
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$(OBJCOPY) -I binary -B $(OUTPUT_ARCH) -O $(OUTPUT_FORMAT) \
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--rename-section .data=irq_int_vector_map irq_int_vector_map.bin \
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irq_int_vector_map.o; \
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rm staticIdt.bin irq_int_vector_map.bin int_vector_alloc.bin isrList.bin \
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)
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staticIdt.o: $(TMP_ELF)
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$(call cmd,gen_idt)
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quiet_cmd_lnk_elf = LINK $@
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cmd_lnk_elf = \
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( \
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$(LD) -T final-linker.cmd @$(KERNEL_NAME).lnk staticIdt.o int_vector_alloc.o \
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irq_int_vector_map.o -o $@; \
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$(OBJCOPY) --set-section-flags intList=noload $@ elf.tmp; \
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$(OBJCOPY) -R intList elf.tmp $@; \
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rm elf.tmp \
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)
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ifeq ($(ARCH),x86)
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$(KERNEL_ELF_NAME): staticIdt.o final-linker.cmd
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$(call cmd,lnk_elf)
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else
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$(KERNEL_ELF_NAME): $(TMP_ELF)
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@mv $(TMP_ELF) $(KERNEL_ELF_NAME)
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endif
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endif
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ifneq ($(strip $(PROJECT)),)
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+$(call if_changed,link-zephyr)
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quiet_cmd_gen_bin = BIN $@
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endif
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cmd_gen_bin = \
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( \
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$(OBJDUMP) -S $< > $(KERNEL_NAME).lst; \
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$(OBJCOPY) -S -O binary -R .note -R .comment -R COMMON -R .eh_frame $< $@; \
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$(STRIP) -s -o $(KERNEL_NAME).strip $<; \
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)
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$(KERNEL_BIN_NAME): $(KERNEL_ELF_NAME)
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$(call cmd,gen_bin)
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zephyr: $(zephyr-deps) $(KERNEL_BIN_NAME)
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# The actual objects are generated when descending,
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# The actual objects are generated when descending,
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# make sure no implicit rule kicks in
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# make sure no implicit rule kicks in
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@ -863,7 +941,10 @@ CLEAN_DIRS += $(MODVERDIR)
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CLEAN_FILES += misc/generated/sysgen/kernel_main.c \
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CLEAN_FILES += misc/generated/sysgen/kernel_main.c \
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misc/generated/sysgen/sysgen.h \
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misc/generated/sysgen/sysgen.h \
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misc/generated/sysgen/prj.mdef
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misc/generated/sysgen/prj.mdef \
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.old_version .tmp_System.map .tmp_version \
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.tmp_* System.map *.lnk *.map *.elf *.lst \
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*.bin *.strip staticIdt.o linker.cmd final-linker.cmd
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# Directories & files removed with 'make mrproper'
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# Directories & files removed with 'make mrproper'
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MRPROPER_DIRS += include/config usr/include include/generated \
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MRPROPER_DIRS += include/config usr/include include/generated \
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@ -884,10 +965,7 @@ PHONY += $(clean-dirs) clean archclean zephyrclean
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$(clean-dirs):
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$(clean-dirs):
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$(Q)$(MAKE) $(clean)=$(patsubst _clean_%,%,$@)
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$(Q)$(MAKE) $(clean)=$(patsubst _clean_%,%,$@)
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zephyrclean:
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clean: archclean
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$(Q)$(CONFIG_SHELL) $(srctree)/scripts/link-zephyr.sh clean
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clean: archclean zephyrclean
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# mrproper - Delete all generated files, including .config
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# mrproper - Delete all generated files, including .config
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#
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#
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@ -1,203 +0,0 @@
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#!/bin/sh
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#
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# link the kernel
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#
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# The kernel is linked from the objects selected by $(KBUILD_ZEPHYR_MAIN).
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# Most are built-in.o files from top-level directories
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# in the kernel tree, others are specified in arch/$(ARCH)/Makefile.
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#
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# microkernel/nanokernel
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# ^
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# +--< $(KBUILD_ZEPHYR_MAIN)
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# +--< drivers/built-in.o + more
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# Error out on error
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set -e
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# Nice output in kbuild format
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# Will be supressed by "make -s"
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info()
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{
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if [ "${quiet}" != "silent_" ]; then
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printf " %-7s %s\n" ${1} ${2}
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fi
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}
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# Creates linker parameters.
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# {1} output file
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# {2} symbol map file
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linker_params()
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{
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LIBS=""
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for tcl in ${ALL_LIBS}; do LIBS="${LIBS} -l${tcl}"; done
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echo "${LDFLAGS_zephyr}" > ${1}
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echo "-Map ./${2}" >> ${1}
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echo "-L ${objtree}/include/generated" >> ${1}
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echo "-u _OffsetAbsSyms -u _ConfigAbsSyms" >> ${1}
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echo "-e __start" >> ${1}
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if [ -n "${CONFIG_LINK_WHOLE_ARCHIVE}" -a -n "${KBUILD_ZEPHYR_APP}" ]; then
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echo "--whole-archive ${KBUILD_ZEPHYR_APP} --no-whole-archive" >> ${1}
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fi
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echo "--start-group ${KBUILD_ZEPHYR_MAIN} ${KBUILD_ZEPHYR_APP}" >> ${1}
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echo "${objtree}/arch/${ARCH}/core/offsets/offsets.o" >> ${1}
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echo "--end-group" >> ${1}
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echo "${LIB_INCLUDE_DIR} ${LIBS}" >> ${1}
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}
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#Creates linker command file
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# {1} output file
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# {2} optional additional link parameters
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linker_command()
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{
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${CC} -x assembler-with-cpp -nostdinc -undef -E -P \
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${LDFLAG_LINKERCMD} \
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${LD_TOOLCHAIN} ${2} \
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-I${srctree}/include -I${objtree}/include/generated \
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${KBUILD_LDS} \
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-o ${1}
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}
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# Link of ${KERNEL_NAME}.o used for section mismatch analysis
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# ${1} output file
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# ${2} linker parameters file
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# ${3} linker command file
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initial_link()
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{
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${LD} -T ${3} @${2} -o ${1}
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}
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#Generates IDT and merge them into final binary
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# ${1} input file (${KERNEL_NAME}.elf)
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# ${2} output file (staticIdt.o)
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# ${3} output file (int_vector_alloc)
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# ${4} output file (irq_int_vector_map)
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gen_idt()
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{
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test -z $OUTPUT_FORMAT && OUTPUT_FORMAT=elf32-i386
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test -z $OUTPUT_ARCH && OUTPUT_ARCH=i386
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${OBJCOPY} -I $OUTPUT_FORMAT -O binary -j intList ${1} isrList.bin
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${GENIDT} -i isrList.bin -n ${CONFIG_IDT_NUM_VECTORS:-256} \
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-o staticIdt.bin -b ${3}.bin -m ${4}.bin
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${OBJCOPY} -I binary -B $OUTPUT_ARCH -O $OUTPUT_FORMAT \
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--rename-section .data=staticIdt staticIdt.bin ${2}
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${OBJCOPY} -I binary -B $OUTPUT_ARCH -O $OUTPUT_FORMAT \
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--rename-section .data=${3} ${3}.bin ${3}.o
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${OBJCOPY} -I binary -B $OUTPUT_ARCH -O $OUTPUT_FORMAT \
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--rename-section .data=${4} ${4}.bin ${4}.o
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rm -f staticIdt.bin
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rm -f ${3}.bin
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rm -f ${4}.bin
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rm -f isrList.bin
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}
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# Linking the kernel
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# ${1} - linker params file (${KERNEL_NAME}.lnk)
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# ${2} - linker command file (final-linker.cmd)
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# ${3} - input file (staticIdt.o)
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# ${4} - output file
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# ${5} - additional input file if applicable
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# ${6} - additional input file if applicable
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zephyr_link()
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{
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${LD} -T ${2} @${1} ${3} ${5} ${6} -o ${4}
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${OBJCOPY} --set-section-flags intList=noload ${4} elf.tmp
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${OBJCOPY} -R intList elf.tmp ${4}
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rm elf.tmp
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}
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zephyr_bin_strip()
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{
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${OBJDUMP} -S ${1} >${2}
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${OBJCOPY} -S -O binary -R .note -R .comment -R COMMON -R .eh_frame ${1} ${3}
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${STRIP} -s -o ${4} ${1}
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}
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# Create map file with all symbols from ${1}
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# See mksymap for additional details
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mksysmap()
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{
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${CONFIG_SHELL} "${srctree}/scripts/mksysmap" ${1} ${2}
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}
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sortextable()
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{
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${objtree}/scripts/sortextable ${1}
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}
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# Delete output files in case of error
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trap cleanup SIGHUP SIGINT SIGQUIT SIGTERM ERR
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cleanup()
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{
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rm -f .old_version
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rm -f .tmp_System.map
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rm -f .tmp_version
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rm -f .tmp_*
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rm -f System.map
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rm -f *.lnk
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rm -f *.map
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rm -f *.elf
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rm -f *.lst
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rm -f *.bin
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rm -f *.strip
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rm -f staticIdt.o
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rm -f linker.cmd
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rm -f final-linker.cmd
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}
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#
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#
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# Use "make V=1" to debug this script
|
|
||||||
case "${KBUILD_VERBOSE}" in
|
|
||||||
*1*)
|
|
||||||
set -x
|
|
||||||
;;
|
|
||||||
esac
|
|
||||||
|
|
||||||
if [ "$1" = "clean" ]; then
|
|
||||||
cleanup
|
|
||||||
exit 0
|
|
||||||
fi
|
|
||||||
|
|
||||||
# We need access to CONFIG_ symbols
|
|
||||||
case "${KCONFIG_CONFIG}" in
|
|
||||||
*/*)
|
|
||||||
. "${KCONFIG_CONFIG}"
|
|
||||||
;;
|
|
||||||
*)
|
|
||||||
# Force using a file from the current directory
|
|
||||||
. "./${KCONFIG_CONFIG}"
|
|
||||||
esac
|
|
||||||
|
|
||||||
#link ${KERNEL_NAME}.o
|
|
||||||
info LD ${KERNEL_NAME}.elf
|
|
||||||
linker_params ${KERNEL_NAME}.lnk ${KERNEL_NAME}.map
|
|
||||||
linker_command linker.cmd
|
|
||||||
initial_link ${KERNEL_NAME}.elf ${KERNEL_NAME}.lnk linker.cmd
|
|
||||||
|
|
||||||
# Update version
|
|
||||||
info GEN .version
|
|
||||||
if [ ! -r .version ]; then
|
|
||||||
rm -f .version;
|
|
||||||
echo 1 >.version;
|
|
||||||
else
|
|
||||||
mv .version .old_version;
|
|
||||||
expr 0$(cat .old_version) + 1 >.version;
|
|
||||||
fi;
|
|
||||||
|
|
||||||
if [ "${ARCH}" = "x86" ]; then
|
|
||||||
info SIDT ${KERNEL_ELF_NAME}
|
|
||||||
gen_idt ${KERNEL_ELF_NAME} staticIdt.o int_vector_alloc irq_int_vector_map
|
|
||||||
linker_command final-linker.cmd -DFINAL_LINK
|
|
||||||
zephyr_link ${KERNEL_NAME}.lnk final-linker.cmd staticIdt.o \
|
|
||||||
${KERNEL_NAME}.elf int_vector_alloc.o irq_int_vector_map.o
|
|
||||||
fi
|
|
||||||
|
|
||||||
info BIN ${KERNEL_NAME}.bin
|
|
||||||
zephyr_bin_strip ${KERNEL_NAME}.elf ${KERNEL_NAME}.lst ${KERNEL_NAME}.bin ${KERNEL_NAME}.strip
|
|
||||||
|
|
||||||
info SYSMAP System.map
|
|
||||||
mksysmap ${KERNEL_NAME}.elf System.map
|
|
||||||
|
|
||||||
# We made a new kernel - delete old version file
|
|
||||||
rm -f .old_version
|
|
||||||
Loading…
Reference in a new issue