mirror of
https://github.com/linuxboot/heads.git
synced 2024-12-24 07:06:42 +00:00
major rearranging of Makefile, bin, library and busybox installation
This commit is contained in:
Trammell Hudson
parent
8f63763e53
commit
4901ccd89c
128
Makefile
128
Makefile
@ -5,10 +5,14 @@ build := $(pwd)/build
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config := $(pwd)/build
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INSTALL := $(pwd)/install
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log_dir := $(build)/log
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initrd_lib_dir := initrd/lib
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initrd_bin_dir := initrd/bin
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# Controls how many parallel jobs are invoked in subshells
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MAKE_JOBS ?= -j8 --max-load 24
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# Create the log directory if it doesn't already exist
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BUILD_LOG := $(shell [ -d "$(log_dir)" ] || mkdir "$(log_dir)")
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BUILD_LOG := $(shell [ -d "$(log_dir)" ] || mkdir -p "$(log_dir)")
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# If V is set in the environment, do not redirect the tee
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# command to /dev/null.
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@ -52,16 +56,24 @@ heads_cc := $(INSTALL)/bin/musl-gcc \
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CROSS := $(build)/../crossgcc/x86_64-linux-musl/bin/x86_64-musl-linux-
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#heads_cc := $(HOME)/install/x86_64-linux-musl/x86_64-linux-musl/bin/gcc
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all: $(BOARD).rom
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# Disable all built in rules
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.SUFFIXES:
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FORCE:
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# Timestamps should be in ISO format
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DATE=`date --rfc-3339=seconds`
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# Make helpers to operate on lists of things
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define prefix =
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$(foreach _, $2, $1$_)
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endef
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define map =
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$(foreach _,$2,$(eval $(call $1,$_)))
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endef
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# Bring in all of the module definitions;
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# these are the external pieces that will be downloaded and built
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# as part of creating the Heads firmware image.
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@ -71,10 +83,6 @@ include modules/*
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# This increases the build time, so it is commented out for now
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#all: $(foreach m,$(modules),$m.intermediate)
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define prefix =
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$(foreach _, $2, $1$_)
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endef
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define bins =
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$(foreach m,$1,$(call prefix,$(build)/$($m_dir)/,$($m_output)))
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endef
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@ -106,14 +114,14 @@ define define_module =
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( cd $(build)/$($1_dir) ; patch -p1 ) \
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< patches/$1.patch; \
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fi
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touch "$$@"
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@touch "$$@"
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else
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# Fetch and verify the source tar file
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$(packages)/$($1_tar):
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wget -O "$$@" $($1_url)
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$(packages)/.$1_verify: $(packages)/$($1_tar)
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echo "$($1_hash) $$^" | sha256sum --check -
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touch "$$@"
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@touch "$$@"
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# Unpack the tar file and touch the canary so that we know
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# that the files are all present
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@ -123,24 +131,24 @@ define define_module =
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( cd $(build)/$($1_dir) ; patch -p1 ) \
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< patches/$1-$($1_version).patch; \
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fi
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touch "$$@"
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@touch "$$@"
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endif
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ifeq "$($1_config)" ""
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# There is no official .config file
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$(build)/$($1_dir)/.config: $(build)/$($1_dir)/.canary
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touch "$$@"
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@touch "$$@"
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else
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# Copy the stored config file into the unpacked directory
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$(build)/$($1_dir)/.config: config/$($1_config) $(build)/$($1_dir)/.canary
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cp -a "$$<" "$$@"
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$(call do,COPY,"$$<",cp -a "$$<" "$$@")
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endif
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# Use the module's configure variable to build itself
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$(build)/$($1_dir)/.configured: \
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$(build)/$($1_dir)/.canary \
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$(build)/$($1_dir)/.config
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@echo "$(DATE) Configuring $1"
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@echo "$(DATE) CONFIG $1"
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@( \
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cd "$(build)/$($1_dir)" ; \
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echo "$($1_configure)"; \
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@ -150,7 +158,7 @@ define define_module =
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2>&1 \
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| tee "$(log_dir)/$1.configure.log" \
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$(VERBOSE_REDIRECT)
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touch "$$@"
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@touch "$$@"
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# All of the outputs should result from building the intermediate target
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$(call outputs,$1): $1.intermediate
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@ -190,16 +198,15 @@ define define_module =
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.INTERMEDIATE: $1.intermediate
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endef
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$(foreach _, $(modules), $(eval $(call define_module,$_)))
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$(call map, define_module, $(modules))
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initrd_lib_dir := initrd/lib
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initrd_bin_dir := initrd/bin
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#
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# Install a file into the initrd, if it changed from
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# the destination file.
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#
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define install =
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@-mkdir -p "$(dir $2)"
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$(call do,INSTALL,$2,cp "$1" "$2")
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endef
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@ -209,18 +216,16 @@ endef
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#
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define initrd_bin_add =
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$(initrd_bin_dir)/$(notdir $1): $1
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@if [ ! -d "$(initrd_bin_dir)" ]; \
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then mkdir -p "$(initrd_bin_dir)"; \
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fi
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$(call install,$$<,$$@)
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$(call do,INSTALL-BIN,$$<,cp -a "$$<" "$$@")
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@$(CROSS)strip "$$@" 2>&-; true
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initrd_bins += $(initrd_bin_dir)/$(notdir $1)
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endef
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define initrd_lib_add =
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$(initrd_lib_dir)/$(notdir $1): $1
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@mkdir -p "$(initrd_lib_dir)"
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$(call do,INSTALL-STRIP,$1,$(CROSS)strip -o "$$@" "$$<")
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@-mkdir -p "$(dir $$@)"
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$(call do,INSTALL-LIB,$$@,$(CROSS)strip -o "$$@" "$$<")
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initrd_libs += $(initrd_lib_dir)/$(notdir $1)
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endef
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@ -231,29 +236,30 @@ $(foreach _, $(call bins,gpg), $(eval $(call initrd_bin_add,$_)))
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$(foreach _, $(call bins,lvm2), $(eval $(call initrd_bin_add,$_)))
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# Install the libraries for every module that we have built
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$(foreach m, $(modules), \
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$(foreach _, $(call libs,$m), $(eval $(call initrd_lib_add,$_))) \
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)
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$(foreach m, $(modules), $(call map,initrd_lib_add,$(call libs,$m)))
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#$(foreach _, $(call outputs,xen), $(eval $(call initrd_bin,$_)))
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# hack to install busybox into the initrd
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initrd_bins += initrd/bin/busybox
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initrd.cpio: busybox.intermediate
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initrd_bins += $(initrd_bin_dir)/busybox
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initrd/bin/busybox: $(build)/$(busybox_dir)/busybox
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cmp --quiet "$@" "$^" || \
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$(MAKE) \
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$(initrd_bin_dir)/busybox: $(build)/$(busybox_dir)/busybox
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$(do,SYMLINK,$@,$(MAKE) \
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-C $(build)/$(busybox_dir) \
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CC="$(heads_cc)" \
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CONFIG_PREFIX="$(pwd)/initrd" \
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$(MAKE_JOBS) \
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install
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install \
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)
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#
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# hack to build cbmem from coreboot
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# this must be built *AFTER* musl
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initrd_bins += initrd/bin/cbmem
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initrd/bin/cbmem: $(build)/$(coreboot_dir)/util/cbmem/cbmem
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cp "$^" "$@"
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# this must be built *AFTER* musl, but since coreboot depends on other things
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# that depend on musl it should be ok.
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#
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initrd_bins += $(initrd_bin_dir)/cbmem
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$(initrd_bin_dir)/cbmem: $(build)/$(coreboot_dir)/util/cbmem/cbmem
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$(call install,$<,$@)
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$(build)/$(coreboot_dir)/util/cbmem/cbmem: \
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$(build)/$(coreboot_dir)/.canary \
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musl.intermediate
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@ -261,6 +267,22 @@ $(build)/$(coreboot_dir)/util/cbmem/cbmem: \
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$(MAKE) -C "$(dir $@)" CC="$(heads_cc)" \
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)
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#
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# Linux kernel module installation
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#
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# This is special cases since we have to do a special strip operation on
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# the kernel modules to make them fit into the ROM image.
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#
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define linux_module =
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$(build)/$(linux_dir)/$1: linux.intermediate
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initrd.cpio: $(initrd_lib_dir)/modules/$(notdir $1)
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$(initrd_lib_dir)/modules/$(notdir $1): $(build)/$(linux_dir)/$1
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@-mkdir -p "$(initrd_lib_dir)/modules"
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$(call do,INSTALL-MODULE,$$@,$(CROSS)strip --strip-debug -o "$$@" "$$<")
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endef
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$(call map,linux_module,$(linux_modules))
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#
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# initrd image creation
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@ -276,7 +298,7 @@ $(build)/$(coreboot_dir)/util/cbmem/cbmem: \
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# unlikely that their device file has a different major/minor)
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#
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#
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initrd.cpio: $(initrd_bins) $(initrd_libs) linux_modules
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initrd.cpio: $(initrd_bins) $(initrd_libs) dev.cpio FORCE
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$(call do,CPIO,$@, \
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cd ./initrd ; \
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find . \
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@ -287,24 +309,11 @@ initrd.cpio: $(initrd_bins) $(initrd_libs) linux_modules
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initrd.intermediate: initrd.cpio
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linux_modules: linux.intermediate
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@-mkdir -p initrd/lib/modules
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define linux_module =
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$(build)/$(linux_dir)/$1: linux.intermediate
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initrd.cpio: initrd/lib/modules/$(notdir $1)
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initrd/lib/modules/$(notdir $1): $(build)/$(linux_dir)/$1
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$(call do,INSTALL-STRIP,$$@,$(CROSS)strip --strip-debug -o "$$@" "$$<")
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endef
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define map =
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$(foreach _,$2,$(eval $(call $1,$_)))
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endef
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$(call map,linux_module,$(linux_modules))
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# populate the coreboot initrd image from the one we built.
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# 4.4 doesn't allow this, but building from head does.
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#$(call outputs,linux): initrd.cpio
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#
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# Compress the initrd into a xz file that can be included by coreboot.
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# The extra options are necessary to let the Linux kernel decompress it.
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#
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coreboot.intermediate: $(build)/$(coreboot_dir)/initrd.cpio.xz
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$(build)/$(coreboot_dir)/initrd.cpio.xz: initrd.cpio
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$(call do,COMPRESS,$<,\
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@ -323,11 +332,8 @@ $(build)/$(coreboot_dir)/bzImage: $(build)/$(linux_dir)/arch/x86/boot/bzImage
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coreboot.intermediate: $(build)/$(coreboot_dir)/bzImage
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# The coreboot gcc won't work for us since it doesn't have libc
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#XGCC := $(build)/$(coreboot_dir)/util/crossgcc/xgcc/
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#export CC := $(XGCC)/bin/x86_64-elf-gcc
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#export LDFLAGS := -L/lib/x86_64-linux-gnu
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# Each board output has its own fixup required to turn the coreboot.rom
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# into a flashable image.
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x230.rom: $(build)/$(coreboot_dir)/x230/coreboot.rom
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"$(build)/$(coreboot_dir)/$(BOARD)/cbfstool" "$<" print
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$(call do,EXTRACT,$@,dd if="$<" of="$@" bs=1M skip=8)
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@ -340,7 +346,7 @@ qemu.rom: $(build)/$(coreboot_dir)/qemu/coreboot.rom
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@sha256sum "$@"
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clean-modules:
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modules.clean:
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for dir in \
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$(busybox_dir) \
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$(cryptsetup_dir) \
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@ -371,14 +377,14 @@ all:
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# How to download and build the correct version of make
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$(HEADS_MAKE): $(build)/$(make_dir)/Makefile
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make -C "`dirname $@`" $(MAKE_JOBS) \
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make -C "$(dir $@)" $(MAKE_JOBS) \
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2>&1 \
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| tee "$(log_dir)/make.log" \
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$(VERBOSE_REDIRECT)
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$(build)/$(make_dir)/Makefile: $(packages)/$(make_tar)
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tar xf "$<" -C build/
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cd "`dirname $@`" ; ./configure \
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cd "$(dir $@)" ; ./configure \
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2>&1 \
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| tee "$(log_dir)/make.configure.log" \
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$(VERBOSE_REDIRECT)
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