#########################################################################
-TIMESTAMP_FILE = include/generated/timestamp_autogenerated.h
-VERSION_FILE = include/generated/version_autogenerated.h
-
HOSTARCH := $(shell uname -m | \
sed -e s/i.86/x86/ \
-e s/sun4u/sparc64/ \
-fno-builtin -ffreestanding
KBUILD_AFLAGS := -D__ASSEMBLY__
-U_BOOT_VERSION = $(VERSION)$(if $(PATCHLEVEL),.$(PATCHLEVEL)$(if $(SUBLEVEL),.$(SUBLEVEL)))$(EXTRAVERSION)
+# Read UBOOTRELEASE from include/config/uboot.release (if it exists)
+UBOOTRELEASE = $(shell cat include/config/uboot.release 2> /dev/null)
+UBOOTVERSION = $(VERSION)$(if $(PATCHLEVEL),.$(PATCHLEVEL)$(if $(SUBLEVEL),.$(SUBLEVEL)))$(EXTRAVERSION)
-export VERSION PATCHLEVEL SUBLEVEL U_BOOT_VERSION
+export VERSION PATCHLEVEL SUBLEVEL UBOOTRELEASE UBOOTVERSION
export ARCH CPU BOARD VENDOR SOC
export CONFIG_SHELL HOSTCC HOSTCFLAGS HOSTLDFLAGS CROSS_COMPILE AS LD CC
export CPP AR NM LDR STRIP OBJCOPY OBJDUMP
# Detect when mixed targets is specified, and make a second invocation
# of make so .config is not included in this case either (for *config).
+version_h := include/generated/version_autogenerated.h
+timestamp_h := include/generated/timestamp_autogenerated.h
+
no-dot-config-targets := clean clobber mrproper distclean \
- cscope TAGS %tags help %docs check% coccicheck \
+ help %docs check% coccicheck \
backup
config-targets := 0
KBUILD_AFLAGS += -g
# Report stack usage if supported
-KBUILD_CFLAGS += $(call cc-option,-fstack-usage)
+ifeq ($(shell $(CONFIG_SHELL) $(srctree)/scripts/gcc-stack-usage.sh $(CC)),y)
+ KBUILD_CFLAGS += -fstack-usage
+endif
KBUILD_CFLAGS += $(call cc-option,-Wno-format-nonliteral)
cpp_flags := $(KBUILD_CPPFLAGS) $(CPPFLAGS) $(UBOOTINCLUDE) $(NOSTDINC_FLAGS)
c_flags := $(KBUILD_CFLAGS) $(cpp_flags)
-.PHONY : $(VERSION_FILE) $(TIMESTAMP_FILE)
-
#########################################################################
# U-Boot objects....order is important (i.e. start must be first)
tools/mkimage -A $(ARCH) -T firmware -C none \
-O u-boot -a $(CONFIG_SYS_TEXT_BASE) \
-e $(CONFIG_SYS_UBOOT_START) \
- -n $(shell sed -n -e 's/.*U_BOOT_VERSION//p' $(VERSION_FILE) | \
- sed -e 's/"[ ]*$$/ for $(BOARD) board"/') \
+ -n "U-Boot $(UBOOTRELEASE) for $(BOARD) board" \
-d $< $@
u-boot.imx: u-boot.bin
# Error messages still appears in the original language
PHONY += $(u-boot-dirs)
-$(u-boot-dirs): depend prepare scripts
+$(u-boot-dirs): prepare scripts
$(Q)$(MAKE) $(build)=$@
-tools: $(TIMESTAMP_FILE) $(VERSION_FILE)
+tools: prepare
# The "tools" are needed early
$(filter-out tools, $(u-boot-dirs)): tools
# The "examples" conditionally depend on U-Boot (say, when USE_PRIVATE_LIBGCC
# is "yes"), so compile examples after U-Boot is compiled.
examples: $(filter-out examples, $(u-boot-dirs))
+define filechk_uboot.release
+ echo "$(UBOOTVERSION)$$($(CONFIG_SHELL) $(srctree)/scripts/setlocalversion $(srctree))"
+endef
+
+# Store (new) UBOOTRELEASE string in include/config/uboot.release
+include/config/uboot.release: Makefile FORCE
+ $(call filechk,uboot.release)
+
+
# Things we need to do before we recursively start building the kernel
# or the modules are listed in "prepare".
# A multi level approach is used. prepareN is processed before prepareN-1.
# prepare3 is used to check if we are building in a separate output directory,
# and if so do:
# 1) Check that make has not been executed in the kernel src $(srctree)
-prepare3:
+prepare3: include/config/uboot.release
ifneq ($(KBUILD_SRC),)
@$(kecho) ' Using $(srctree) as source for u-boot'
$(Q)if [ -f $(srctree)/include/config.mk ]; then \
# prepare2 creates a makefile if using a separate output directory
prepare2: prepare3 outputmakefile
-prepare1: prepare2
+prepare1: prepare2 $(version_h) $(timestamp_h)
@:
archprepare: prepare1 scripts_basic
prepare0: archprepare FORCE
- @:
+ $(Q)$(MAKE) $(build)=.
# All the preparing..
prepare: prepare0
+# Generate some files
+# ---------------------------------------------------------------------------
+
+define filechk_version.h
+ (echo \#define PLAIN_VERSION \"$(UBOOTRELEASE)\"; \
+ echo \#define U_BOOT_VERSION \"U-Boot \" PLAIN_VERSION; \
+ echo \#define CC_VERSION_STRING \"$$($(CC) --version | head -n 1)\"; \
+ echo \#define LD_VERSION_STRING \"$$($(LD) --version | head -n 1)\"; )
+endef
+
+define filechk_timestamp.h
+ (LC_ALL=C date +'#define U_BOOT_DATE "%b %d %C%y"'; \
+ LC_ALL=C date +'#define U_BOOT_TIME "%T"')
+endef
+
+$(version_h): $(srctree)/Makefile FORCE
+ $(call filechk,version.h)
+
+$(timestamp_h): $(srctree)/Makefile FORCE
+ $(call filechk,timestamp.h)
+
#
# Auto-generate the autoconf.mk file (which is included by all makefiles)
#
include/autoconf.mk: include/config.h
$(call cmd,autoconf)
-u-boot.lds: $(LDSCRIPT) depend
+# ---------------------------------------------------------------------------
+
+PHONY += depend dep
+depend dep:
+ @echo '*** Warning: make $@ is unnecessary now.'
+
+# ---------------------------------------------------------------------------
+
+u-boot.lds: $(LDSCRIPT) prepare
$(CPP) $(cpp_flags) $(LDPPFLAGS) -ansi -D__ASSEMBLY__ -P - <$< >$@
-nand_spl: $(TIMESTAMP_FILE) $(VERSION_FILE) depend prepare
+nand_spl: prepare
$(MAKE) $(build)=nand_spl/board/$(BOARDDIR) all
u-boot-nand.bin: nand_spl u-boot.bin
cat nand_spl/u-boot-spl-16k.bin u-boot.bin > u-boot-nand.bin
-spl/u-boot-spl.bin: tools depend prepare
+spl/u-boot-spl.bin: tools prepare
$(MAKE) obj=spl -f $(srctree)/spl/Makefile all
-tpl/u-boot-tpl.bin: tools depend prepare
+tpl/u-boot-tpl.bin: tools prepare
$(MAKE) obj=tpl -f $(srctree)/spl/Makefile all CONFIG_TPL_BUILD=y
-# Explicitly make _depend in subdirs containing multiple targets to prevent
-# parallel sub-makes creating .depend files simultaneously.
-depend dep: $(TIMESTAMP_FILE) $(VERSION_FILE) \
- include/generated/generic-asm-offsets.h \
- include/generated/asm-offsets.h
-
TAG_SUBDIRS := $(u-boot-dirs) include
FIND := find
false; \
fi
-quiet_cmd_offsets = GEN $@
- cmd_offsets = $(srctree)/tools/scripts/make-asm-offsets $< $@
-
-include/generated/generic-asm-offsets.h: lib/asm-offsets.s
- $(call cmd,offsets)
-
-quiet_cmd_asm-offsets.s = CC $@
- cmd_asm-offsets.s = mkdir -p lib; \
- $(CC) -DDO_DEPS_ONLY \
- $(c_flags) $(CFLAGS_$(BCURDIR)/$(@F)) $(CFLAGS_$(BCURDIR)) \
- -o $@ $< -c -S
-
-lib/asm-offsets.s: $(srctree)/lib/asm-offsets.c include/config.h
- $(call cmd,asm-offsets.s)
-
-include/generated/asm-offsets.h: $(CPUDIR)/$(SOC)/asm-offsets.s
- $(call cmd,offsets)
-
-quiet_cmd_soc_asm-offsets.s = CC $@
- cmd_soc_asm-offsets.s = mkdir -p $(CPUDIR)/$(SOC); \
- if [ -f $(srctree)/$(CPUDIR)/$(SOC)/asm-offsets.c ];then \
- $(CC) -DDO_DEPS_ONLY \
- $(c_flags) $(CFLAGS_$(BCURDIR)/$(@F)) $(CFLAGS_$(BCURDIR)) \
- -o $@ $(srctree)/$(CPUDIR)/$(SOC)/asm-offsets.c -c -S; \
- else \
- touch $@; \
- fi
-
-$(CPUDIR)/$(SOC)/asm-offsets.s: include/config.h
- $(call cmd,soc_asm-offsets.s)
-
#########################################################################
# ARM relocations should all be R_ARM_RELATIVE (32-bit) or
false; \
fi
-$(VERSION_FILE):
- @mkdir -p $(dir $(VERSION_FILE))
- @( localvers='$(shell $(TOPDIR)/scripts/setlocalversion $(TOPDIR))' ; \
- printf '#define PLAIN_VERSION "%s%s"\n' \
- "$(U_BOOT_VERSION)" "$${localvers}" ; \
- printf '#define U_BOOT_VERSION "U-Boot %s%s"\n' \
- "$(U_BOOT_VERSION)" "$${localvers}" ; \
- ) > $@.tmp
- @( printf '#define CC_VERSION_STRING "%s"\n' \
- '$(shell $(CC) --version | head -n 1)' )>> $@.tmp
- @( printf '#define LD_VERSION_STRING "%s"\n' \
- '$(shell $(LD) -v | head -n 1)' )>> $@.tmp
- @cmp -s $@ $@.tmp && rm -f $@.tmp || mv -f $@.tmp $@
-
-$(TIMESTAMP_FILE):
- @mkdir -p $(dir $(TIMESTAMP_FILE))
- @LC_ALL=C date +'#define U_BOOT_DATE "%b %d %C%y"' > $@.tmp
- @LC_ALL=C date +'#define U_BOOT_TIME "%T"' >> $@.tmp
- @cmp -s $@ $@.tmp && rm -f $@.tmp || mv -f $@.tmp $@
-
-env: depend scripts_basic
+env: scripts_basic
$(Q)$(MAKE) $(build)=tools/$@
tools-all: HOST_TOOLS_ALL=y
projects / kernel / u-boot.git / blobdiff