common: Add symbol handling for generic lists into Makefile
This patch adds essential components for generation of the contents of the linker section that is used by the linker-generated array. All of the contents is held in a separate file, u-boot.lst, which is generated at runtime just before U-Boot is linked. The purpose of this code is to especially generate the appropriate boundary symbols around each subsection in the section carrying the linker-generated arrays. Obviously, the interim linker code for actual placement of the variables into the section is generated too. The generated file, u-boot.lst, is included into u-boot.lds via the linker INCLUDE directive in u-boot.lds . Adjustments are made in the Makefile and spl/Makefile so that the u-boot.lds and u-boot-spl.lds depend on their respective .lst files. Signed-off-by: Marek Vasut <marex@denx.de> Cc: Joe Hershberger <joe.hershberger@gmail.com> Cc: Mike Frysinger <vapier@gentoo.org> Acked-by: Joe Hershberger <joe.hershberger@ni.com> Tested-by: Joe Hershberger <joe.hershberger@ni.com>
This commit is contained in:
Marek Vasut
Tom Rini
parent
047cea3655
commit
97b24d3d51
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@ -38,6 +38,7 @@
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/u-boot.sha1
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/u-boot.dis
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/u-boot.lds
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/u-boot.lst
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/u-boot.ubl
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/u-boot.ais
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/u-boot.dtb
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20
Makefile
20
Makefile
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@ -535,7 +535,10 @@ else
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GEN_UBOOT = \
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UNDEF_SYM=`$(OBJDUMP) -x $(LIBBOARD) $(LIBS) | \
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sed -n -e 's/.*\($(SYM_PREFIX)__u_boot_cmd_.*\)/-u\1/p'|sort|uniq`;\
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cd $(LNDIR) && $(LD) $(LDFLAGS) $(LDFLAGS_$(@F)) $$UNDEF_SYM $(__OBJS) \
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UNDEF_LST=`$(OBJDUMP) -x $(LIBBOARD) $(LIBS) | \
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sed -n -e 's/.*\($(SYM_PREFIX)_u_boot_list_.*\)/-u\1/p'|sort|uniq`;\
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cd $(LNDIR) && $(LD) $(LDFLAGS) $(LDFLAGS_$(@F)) \
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$$UNDEF_SYM $$UNDEF_LST $(__OBJS) \
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--start-group $(__LIBS) --end-group $(PLATFORM_LIBS) \
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-Map u-boot.map -o u-boot
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endif
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@ -568,8 +571,12 @@ $(SUBDIR_EXAMPLES): $(obj)u-boot
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$(LDSCRIPT): depend
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$(MAKE) -C $(dir $@) $(notdir $@)
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$(obj)u-boot.lds: $(LDSCRIPT)
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$(CPP) $(CPPFLAGS) $(LDPPFLAGS) -ansi -D__ASSEMBLY__ -P - <$^ >$@
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# The following line expands into whole rule which generates u-boot.lst,
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# the file containing u-boots LG-array linker section. This is included into
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# $(LDSCRIPT). The function make_u_boot_list is defined in helper.mk file.
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$(eval $(call make_u_boot_list, $(obj)include/u-boot.lst, $(LIBBOARD) $(LIBS)))
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$(obj)u-boot.lds: $(LDSCRIPT) $(obj)include/u-boot.lst
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$(CPP) $(CPPFLAGS) $(LDPPFLAGS) -ansi -D__ASSEMBLY__ -P - <$< >$@
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nand_spl: $(TIMESTAMP_FILE) $(VERSION_FILE) depend
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$(MAKE) -C nand_spl/board/$(BOARDDIR) all
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@ -808,6 +815,7 @@ clean:
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$(obj)board/matrix_vision/*/bootscript.img \
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$(obj)board/voiceblue/eeprom \
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$(obj)u-boot.lds \
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$(obj)include/u-boot.lst \
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$(obj)arch/blackfin/cpu/bootrom-asm-offsets.[chs] \
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$(obj)arch/blackfin/cpu/init.{lds,elf}
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@rm -f $(obj)include/bmp_logo.h
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@ -841,8 +849,10 @@ clobber: tidy
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@rm -f $(obj)u-boot.dtb
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@rm -f $(obj)u-boot.sb
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@rm -f $(obj)u-boot.spr
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@rm -f $(obj)nand_spl/{u-boot.lds,u-boot-nand_spl.lds,u-boot-spl,u-boot-spl.map,System.map}
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@rm -f $(obj)spl/{u-boot-spl,u-boot-spl.bin,u-boot-spl.lds,u-boot-spl.map}
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@rm -f $(obj)nand_spl/{u-boot.{lds,lst},System.map}
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@rm -f $(obj)nand_spl/{u-boot-nand_spl.lds,u-boot-spl,u-boot-spl.map}
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@rm -f $(obj)spl/{u-boot-spl,u-boot-spl.bin,u-boot-spl.map}
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@rm -f $(obj)spl/{u-boot-spl.lds,u-boot.lst}
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@rm -f $(obj)MLO
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@rm -f $(obj)tools/xway-swap-bytes
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@rm -f $(obj)arch/powerpc/cpu/mpc824x/bedbug_603e.c
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@ -23,6 +23,8 @@
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#########################################################################
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include $(TOPDIR)/helper.mk
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ifeq ($(CURDIR),$(SRCTREE))
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dir :=
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else
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@ -0,0 +1,64 @@
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#
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# Copyright (C) 2012 Marek Vasut <marex@denx.de>
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#
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# See file CREDITS for list of people who contributed to this
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# project.
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License as
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# published by the Free Software Foundation; either version 2 of
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# the License, or (at your option) any later version.
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#
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#########################################################################
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##
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# make_u_boot_list - Generate contents of u_boot_list section
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# 1: The name of the resulting file (usually u-boot.lst)
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# 2: Files to analyze for possible u_boot_list entries
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#
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# This function generates the contents of the u_boot_list section,
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# including all the border symbols for it's subsections. The operation
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# of this function is as follows, numbering goes per lines:
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#
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# 1) Dump the ELF header sections from all files supplied via $(2)
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# 2) Filter out all other stuff that does not belong into .u_boot_list
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# section.
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# 3) Fix up the lines so that the resulting output is is in format
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# ".u_boot_list.*".
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# 4) Remove the last .something$, since that only contains the name
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# of the variable to be put into a subsection. This name is irelevant
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# for generation of border symbols, thus of no interest, remove it.
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# 5) Take each line and for every dot "." in that line, print the whole
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# line until that dot "." . This is important so that we have all
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# parent border symbols generated as well.
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# 6) Load every line and firstly append "\a" at the end and print the
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# line. Next, append "@" at the end and print the line. Finally,
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# append "~" at the end of line. This will make sense in conjunction
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# with 6) and 7).
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# 7) Sort the lines. It is imperative to use LC_COLLATE=C here because
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# with this, the "\a" symbol is first and "~" symbol is last. Any
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# other symbols fall inbetween. Symbols like "@", which marks the
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# end of current line (representing current section) and ".", which
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# means the line continues and thus represents subsection.
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# 8) With such ordering, all lines ending with "\a" will float at the
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# begining of all lines with the same prefix. Thus it is easy to
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# replace "\a" with __start and make it the __start border symbol.
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# Very similarly for "~", which will be always at the bottom and so
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# can be replaced by "__end" and made into the __end border symbol.
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# Finally, every line ending with "@" symbol will be transformed
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# into " *(SORT(${line}*)); " format, which in the linker parlance
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# will allow it to trap all symbols relevant to the subsection.
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#
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define make_u_boot_list
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$(1): $(2)
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$(OBJDUMP) -h $(2) | \
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sed -n -e '/.*\.u_boot_list[^ ]\+/ ! {d;n}' \
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-e 's/.*\(\.u_boot_list[^ ]\+\).*$$$$/\1/' \
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-e 's/\.[^\.]\+$$$$//' \
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-e ':s /^.\+$$$$/ { p;s/^\(.*\)\.[^\.]*$$$$/\1/;b s }' | \
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sed -n -e 'h;s/$$$$/\a/p;g;s/$$$$/@/p;g;s/$$$$/~/p;' | \
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LC_COLLATE=C sort -u | \
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sed -n -e '/\a$$$$/ { s/\./_/g;s/\a$$$$/__start = .;/p; }'\
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-e '/~$$$$/ { s/\./_/g;s/~$$$$/__end = .;/p; }'\
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-e '/@$$$$/ { s/\(.*\)@$$$$/*(SORT(\1.*));/p }' > $(1)
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endef
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@ -32,6 +32,7 @@ include $(TOPDIR)/config.mk
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nandobj := $(OBJTREE)/nand_spl/
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LDSCRIPT= $(TOPDIR)/$(CPUDIR)/u-boot-nand_spl.lds
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LSTSCRIPT= $(nandobj)/board/$(BOARDDIR)/u-boot.lst
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LDFLAGS := -T $(nandobj)u-boot-nand_spl.lds -Ttext $(CONFIG_SYS_TEXT_BASE_SPL) \
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$(LDFLAGS) $(LDFLAGS_FINAL)
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AFLAGS += -DCONFIG_NAND_SPL
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@ -61,8 +62,12 @@ $(nandobj)u-boot-spl: $(OBJS) $(nandobj)u-boot-nand_spl.lds
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-Map $(nandobj)u-boot-spl.map \
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-o $(nandobj)u-boot-spl
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$(nandobj)u-boot-nand_spl.lds: $(LDSCRIPT)
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$(CPP) $(CPPFLAGS) $(LDPPFLAGS) -ansi -D__ASSEMBLY__ -P - <$^ >$@
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# The following line expands into whole rule which generates $(LSTSCRIPT),
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# the file containing u-boots LG-array linker section. This is included into
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# $(LDSCRIPT). The function make_u_boot_list is defined in helper.mk file.
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$(eval $(call make_u_boot_list, $(LSTSCRIPT), $(OBJS)))
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$(nandobj)u-boot-nand_spl.lds: $(LDSCRIPT) $(LSTSCRIPT)
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$(CPP) $(CPPFLAGS) $(LDPPFLAGS) -I$(obj) -ansi -D__ASSEMBLY__ -P - <$< >$@
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# create symbolic links for common files
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@ -32,6 +32,7 @@ include $(TOPDIR)/config.mk
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nandobj := $(OBJTREE)/nand_spl/
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LDSCRIPT= $(TOPDIR)/$(CPUDIR)/u-boot-nand_spl.lds
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LSTSCRIPT= $(nandobj)/board/$(BOARDDIR)/u-boot.lst
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LDFLAGS := -T $(nandobj)u-boot-nand_spl.lds -Ttext $(CONFIG_SYS_TEXT_BASE_SPL) \
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$(LDFLAGS) $(LDFLAGS_FINAL)
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AFLAGS += -DCONFIG_NAND_SPL
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@ -61,8 +62,12 @@ $(nandobj)u-boot-spl: $(OBJS) $(nandobj)u-boot-nand_spl.lds
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-Map $(nandobj)u-boot-spl.map \
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-o $(nandobj)u-boot-spl
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$(nandobj)u-boot-nand_spl.lds: $(LDSCRIPT)
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$(CPP) $(CPPFLAGS) $(LDPPFLAGS) -ansi -D__ASSEMBLY__ -P - <$^ >$@
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# The following line expands into whole rule which generates $(LSTSCRIPT),
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# the file containing u-boots LG-array linker section. This is included into
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# $(LDSCRIPT). The function make_u_boot_list is defined in helper.mk file.
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$(eval $(call make_u_boot_list, $(LSTSCRIPT), $(OBJS)))
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$(nandobj)u-boot-nand_spl.lds: $(LDSCRIPT) $(LSTSCRIPT)
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$(CPP) $(CPPFLAGS) $(LDPPFLAGS) -I$(obj) -ansi -D__ASSEMBLY__ -P - <$< >$@
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# create symbolic links for common files
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@ -32,6 +32,7 @@ include $(TOPDIR)/config.mk
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nandobj := $(OBJTREE)/nand_spl/
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LDSCRIPT= $(TOPDIR)/$(CPUDIR)/u-boot-nand_spl.lds
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LSTSCRIPT= $(nandobj)/board/$(BOARDDIR)/u-boot.lst
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LDFLAGS := -T $(nandobj)u-boot-nand_spl.lds -Ttext $(CONFIG_SYS_TEXT_BASE_SPL) \
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$(LDFLAGS) $(LDFLAGS_FINAL)
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AFLAGS += -DCONFIG_NAND_SPL
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@ -61,8 +62,12 @@ $(nandobj)u-boot-spl: $(OBJS) $(nandobj)u-boot-nand_spl.lds
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-Map $(nandobj)u-boot-spl.map \
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-o $(nandobj)u-boot-spl
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$(nandobj)u-boot-nand_spl.lds: $(LDSCRIPT)
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$(CPP) $(CPPFLAGS) $(LDPPFLAGS) -ansi -D__ASSEMBLY__ -P - <$^ >$@
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# The following line expands into whole rule which generates $(LSTSCRIPT),
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# the file containing u-boots LG-array linker section. This is included into
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# $(LDSCRIPT). The function make_u_boot_list is defined in helper.mk file.
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$(eval $(call make_u_boot_list, $(LSTSCRIPT), $(OBJS)))
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$(nandobj)u-boot-nand_spl.lds: $(LDSCRIPT) $(LSTSCRIPT)
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$(CPP) $(CPPFLAGS) $(LDPPFLAGS) -I$(obj) -ansi -D__ASSEMBLY__ -P - <$< >$@
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# create symbolic links for common files
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@ -6,6 +6,7 @@ include $(TOPDIR)/config.mk
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nandobj := $(OBJTREE)/nand_spl/
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LDSCRIPT= $(TOPDIR)/nand_spl/board/$(BOARDDIR)/u-boot.lds
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LSTSCRIPT= $(nandobj)/board/$(BOARDDIR)/u-boot.lst
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LDFLAGS := -T $(nandobj)u-boot.lds -Ttext $(CONFIG_SYS_TEXT_BASE) $(LDFLAGS) \
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$(LDFLAGS_FINAL)
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AFLAGS += -DCONFIG_SPL_BUILD -DCONFIG_NAND_SPL
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@ -36,8 +37,12 @@ $(nandobj)u-boot-spl: $(OBJS) $(nandobj)u-boot.lds
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-Map $(nandobj)u-boot-spl.map \
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-o $@
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$(nandobj)u-boot.lds: $(LDSCRIPT)
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$(CPP) $(CPPFLAGS) $(LDPPFLAGS) -ansi -D__ASSEMBLY__ -P - <$^ >$@
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# The following line expands into whole rule which generates $(LSTSCRIPT),
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# the file containing u-boots LG-array linker section. This is included into
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# $(LDSCRIPT). The function make_u_boot_list is defined in helper.mk file.
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$(eval $(call make_u_boot_list, $(LSTSCRIPT), $(OBJS)))
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$(nandobj)u-boot.lds: $(LDSCRIPT) $(LSTSCRIPT)
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$(CPP) $(CPPFLAGS) $(LDPPFLAGS) -I$(obj) -ansi -D__ASSEMBLY__ -P - <$< >$@
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#########################################################################
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@ -32,6 +32,7 @@ include $(TOPDIR)/config.mk
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nandobj := $(OBJTREE)/nand_spl/
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LDSCRIPT= $(TOPDIR)/$(CPUDIR)/u-boot-nand_spl.lds
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LSTSCRIPT= $(nandobj)/board/$(BOARDDIR)/u-boot.lst
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LDFLAGS := -T $(nandobj)u-boot-nand_spl.lds -Ttext $(CONFIG_SYS_TEXT_BASE_SPL) $(LDFLAGS) \
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$(LDFLAGS_FINAL)
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AFLAGS += -DCONFIG_NAND_SPL
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@ -62,8 +63,12 @@ $(nandobj)u-boot-spl: $(OBJS) $(nandobj)u-boot-nand_spl.lds
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-Map $(nandobj)u-boot-spl.map \
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-o $(nandobj)u-boot-spl
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$(nandobj)u-boot-nand_spl.lds: $(LDSCRIPT)
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$(CPP) $(CPPFLAGS) $(LDPPFLAGS) -ansi -D__ASSEMBLY__ -P - <$^ >$@
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# The following line expands into whole rule which generates $(LSTSCRIPT),
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# the file containing u-boots LG-array linker section. This is included into
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# $(LDSCRIPT). The function make_u_boot_list is defined in helper.mk file.
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$(eval $(call make_u_boot_list, $(LSTSCRIPT), $(OBJS)))
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$(nandobj)u-boot-nand_spl.lds: $(LDSCRIPT) $(LSTSCRIPT)
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$(CPP) $(CPPFLAGS) $(LDPPFLAGS) -I$(obj) -ansi -D__ASSEMBLY__ -P - <$< >$@
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# create symbolic links for common files
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@ -27,6 +27,7 @@ include $(TOPDIR)/config.mk
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nandobj := $(OBJTREE)/nand_spl/
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LDSCRIPT= $(TOPDIR)/$(CPUDIR)/u-boot-nand_spl.lds
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LSTSCRIPT= $(nandobj)/board/$(BOARDDIR)/u-boot.lst
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LDFLAGS := -T $(nandobj)u-boot-nand_spl.lds -Ttext $(CONFIG_SYS_TEXT_BASE_SPL) \
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$(LDFLAGS) $(LDFLAGS_FINAL)
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AFLAGS += -DCONFIG_NAND_SPL
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@ -57,8 +58,12 @@ $(nandobj)u-boot-spl: $(OBJS) $(nandobj)u-boot-nand_spl.lds
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-Map $(nandobj)u-boot-spl.map \
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-o $(nandobj)u-boot-spl
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$(nandobj)u-boot-nand_spl.lds: $(LDSCRIPT)
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$(CPP) $(CPPFLAGS) $(LDPPFLAGS) -ansi -D__ASSEMBLY__ -P - <$^ >$@
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# The following line expands into whole rule which generates $(LSTSCRIPT),
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# the file containing u-boots LG-array linker section. This is included into
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# $(LDSCRIPT). The function make_u_boot_list is defined in helper.mk file.
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$(eval $(call make_u_boot_list, $(LSTSCRIPT), $(OBJS)))
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$(nandobj)u-boot-nand_spl.lds: $(LDSCRIPT) $(LSTSCRIPT)
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$(CPP) $(CPPFLAGS) $(LDPPFLAGS) -I$(obj) -ansi -D__ASSEMBLY__ -P - <$< >$@
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# create symbolic links for common files
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@ -32,6 +32,7 @@ include $(TOPDIR)/config.mk
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nandobj := $(OBJTREE)/nand_spl/
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LDSCRIPT= $(TOPDIR)/$(CPUDIR)/u-boot-nand_spl.lds
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LSTSCRIPT= $(nandobj)/board/$(BOARDDIR)/u-boot.lst
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LDFLAGS := -T $(nandobj)u-boot-nand_spl.lds -Ttext $(CONFIG_SYS_TEXT_BASE_SPL) \
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$(LDFLAGS) $(LDFLAGS_FINAL)
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AFLAGS += -DCONFIG_NAND_SPL
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@ -61,8 +62,12 @@ $(nandobj)u-boot-spl: $(OBJS) $(nandobj)u-boot-nand_spl.lds
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-Map $(nandobj)u-boot-spl.map \
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-o $(nandobj)u-boot-spl
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$(nandobj)u-boot-nand_spl.lds: $(LDSCRIPT)
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$(CPP) $(CPPFLAGS) $(LDPPFLAGS) -ansi -D__ASSEMBLY__ -P - <$^ >$@
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# The following line expands into whole rule which generates $(LSTSCRIPT),
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# the file containing u-boots LG-array linker section. This is included into
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# $(LDSCRIPT). The function make_u_boot_list is defined in helper.mk file.
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$(eval $(call make_u_boot_list, $(LSTSCRIPT), $(OBJS)))
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$(nandobj)u-boot-nand_spl.lds: $(LDSCRIPT) $(LSTSCRIPT)
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$(CPP) $(CPPFLAGS) $(LDPPFLAGS) -I$(obj) -ansi -D__ASSEMBLY__ -P - <$< >$@
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# create symbolic links for common files
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@ -32,6 +32,7 @@ include $(TOPDIR)/config.mk
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nandobj := $(OBJTREE)/nand_spl/
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LDSCRIPT= $(TOPDIR)/$(CPUDIR)/u-boot-nand_spl.lds
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LSTSCRIPT= $(nandobj)/board/$(BOARDDIR)/u-boot.lst
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LDFLAGS := -T $(nandobj)u-boot-nand_spl.lds -Ttext $(CONFIG_SYS_TEXT_BASE_SPL) \
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$(LDFLAGS) $(LDFLAGS_FINAL)
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AFLAGS += -DCONFIG_NAND_SPL
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@ -62,8 +63,12 @@ $(nandobj)u-boot-spl: $(OBJS) $(nandobj)u-boot-nand_spl.lds
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-Map $(nandobj)u-boot-spl.map \
|
||||
-o $(nandobj)u-boot-spl
|
||||
|
||||
$(nandobj)u-boot-nand_spl.lds: $(LDSCRIPT)
|
||||
$(CPP) $(CPPFLAGS) $(LDPPFLAGS) -ansi -D__ASSEMBLY__ -P - <$^ >$@
|
||||
# The following line expands into whole rule which generates $(LSTSCRIPT),
|
||||
# the file containing u-boots LG-array linker section. This is included into
|
||||
# $(LDSCRIPT). The function make_u_boot_list is defined in helper.mk file.
|
||||
$(eval $(call make_u_boot_list, $(LSTSCRIPT), $(OBJS)))
|
||||
$(nandobj)u-boot-nand_spl.lds: $(LDSCRIPT) $(LSTSCRIPT)
|
||||
$(CPP) $(CPPFLAGS) $(LDPPFLAGS) -I$(obj) -ansi -D__ASSEMBLY__ -P - <$< >$@
|
||||
|
||||
# create symbolic links for common files
|
||||
|
||||
|
|
|
|||
|
|
@ -27,6 +27,7 @@ include $(TOPDIR)/nand_spl/board/$(BOARDDIR)/config.mk
|
|||
nandobj := $(OBJTREE)/nand_spl/
|
||||
|
||||
LDSCRIPT= $(TOPDIR)/nand_spl/board/$(BOARDDIR)/u-boot.lds
|
||||
LSTSCRIPT= $(nandobj)/board/$(BOARDDIR)/u-boot.lst
|
||||
LDFLAGS := -T $(nandobj)u-boot.lds -Ttext $(CONFIG_SYS_TEXT_BASE) $(LDFLAGS) \
|
||||
$(LDFLAGS_FINAL)
|
||||
AFLAGS += -DCONFIG_SPL_BUILD -DCONFIG_NAND_SPL
|
||||
|
|
@ -57,8 +58,12 @@ $(nandobj)u-boot-spl: $(OBJS) $(nandobj)u-boot.lds
|
|||
-Map $(nandobj)u-boot-spl.map \
|
||||
-o $@
|
||||
|
||||
$(nandobj)u-boot.lds: $(LDSCRIPT)
|
||||
$(CPP) $(CPPFLAGS) $(LDPPFLAGS) -ansi -D__ASSEMBLY__ -P - <$^ >$@
|
||||
# The following line expands into whole rule which generates $(LSTSCRIPT),
|
||||
# the file containing u-boots LG-array linker section. This is included into
|
||||
# $(LDSCRIPT). The function make_u_boot_list is defined in helper.mk file.
|
||||
$(eval $(call make_u_boot_list, $(LSTSCRIPT), $(OBJS)))
|
||||
$(nandobj)u-boot.lds: $(LDSCRIPT) $(LSTSCRIPT)
|
||||
$(CPP) $(CPPFLAGS) $(LDPPFLAGS) -I$(obj) -ansi -D__ASSEMBLY__ -P - <$< >$@
|
||||
|
||||
#########################################################################
|
||||
|
||||
|
|
|
|||
|
|
@ -2,3 +2,4 @@ u-boot-spl
|
|||
u-boot-spl.bin
|
||||
u-boot-spl.lds
|
||||
u-boot-spl.map
|
||||
u-boot.lst
|
||||
|
|
|
|||
|
|
@ -154,8 +154,12 @@ $(START): depend
|
|||
$(LIBS): depend
|
||||
$(MAKE) -C $(SRCTREE)$(dir $(subst $(SPLTREE),,$@))
|
||||
|
||||
$(obj)u-boot-spl.lds: $(LDSCRIPT) depend
|
||||
$(CPP) $(CPPFLAGS) $(LDPPFLAGS) -ansi -D__ASSEMBLY__ -P - < $< > $@
|
||||
# The following line expands into whole rule which generates u-boot.lst,
|
||||
# the file containing u-boots LG-array linker section. This is included into
|
||||
# $(LDSCRIPT). The function make_u_boot_list is defined in helper.mk file.
|
||||
$(eval $(call make_u_boot_list, $(obj)u-boot.lst, $(LIBS)))
|
||||
$(obj)u-boot-spl.lds: $(LDSCRIPT) $(obj)u-boot.lst depend
|
||||
$(CPP) $(CPPFLAGS) $(LDPPFLAGS) -I$(obj). -ansi -D__ASSEMBLY__ -P - < $< > $@
|
||||
|
||||
depend: $(obj).depend
|
||||
.PHONY: depend
|
||||
|
|
|
|||
Loading…
Reference in New Issue