mirror of
https://github.com/linuxboot/heads.git
synced 2024-12-18 20:47:55 +00:00
Add LinuxBoot as a module, prep for nerf branch merge (#305)
Move board configuration into `boards/` instead of `config/` Fix mistake in building kernel module tree before kernel was done. Allow per-board initrd builds (#278) Allow per-board configurations for things (#304)
This commit is contained in:
Trammell hudson
parent
755c9e91ea
commit
cf8509e0f5
169
Makefile
169
Makefile
@ -4,16 +4,25 @@ modules-y :=
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pwd := $(shell pwd)
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packages := $(pwd)/packages
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build := $(pwd)/build
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config := $(pwd)/build
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config := $(pwd)/config
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INSTALL := $(pwd)/install
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log_dir := $(build)/log
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BOARD ?= qemu
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CONFIG := $(pwd)/boards/$(BOARD).config
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ifneq "y" "$(shell [ -r '$(CONFIG)' ] && echo y)"
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$(error $(CONFIG): board configuration does not exist)
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endif
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include $(CONFIG)
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# Controls how many parallel jobs are invoked in subshells
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CPUS := $(shell nproc)
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MAKE_JOBS ?= -j$(CPUS) --max-load 16
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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 -p "$(log_dir)")
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BUILD_LOG := $(shell mkdir -p "$(log_dir)" "$(build)/$(BOARD)" )
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# Some things want usernames, we use the current checkout
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# so that they are reproducible
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@ -28,13 +37,13 @@ ifeq "$V" ""
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VERBOSE_REDIRECT := > /dev/null
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# Not verbose, so we only show the header
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define do =
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@echo "$(DATE) $1 $2"
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@echo "$(DATE) $1 $(2:$(pwd)/%=%)"
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@$3
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endef
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else
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# Verbose, so we display what we are doing
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define do =
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@echo "$(DATE) $1 $2"
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@echo "$(DATE) $1 $(2:$(pwd)/%=%)"
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$3
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endef
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endif
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@ -54,12 +63,12 @@ initrd_bin_dir := $(initrd_dir)/bin
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$(shell mkdir -p "$(initrd_lib_dir)" "$(initrd_bin_dir)")
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$(shell echo "Initrd: $initrd_dir")
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ifeq "$(CONFIG)" ""
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CONFIG := config/qemu-moc.config
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$(eval $(shell echo >&2 "$(DATE) CONFIG is not set, defaulting to $(CONFIG)"))
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endif
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include $(CONFIG)
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#ifeq "$(CONFIG)" ""
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#CONFIG := config/qemu-moc.config
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#$(eval $(shell echo >&2 "$(DATE) CONFIG is not set, defaulting to $(CONFIG)"))
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#endif
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#
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#include $(CONFIG)
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# We are running our own version of make,
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# proceed with the build.
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@ -68,9 +77,6 @@ include $(CONFIG)
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SHELL := /bin/bash
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.SHELLFLAGS := -o pipefail -c
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# Currently supported targets are x230, chell and qemu
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BOARD ?= qemu
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# If musl-libc is being used in the initrd, set the heads_cc
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# variable to point to it.
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musl_dep := musl
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@ -95,8 +101,10 @@ CROSS_TOOLS := \
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ifeq "$(CONFIG_COREBOOT)" "y"
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all: $(BOARD).rom
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else ifeq "$(CONFIG_LINUXBOOT)" "y"
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all: $(build)/$(BOARD)/linuxboot.rom
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else
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all: linux.intermediate initrd-$(BOARD).cpio.xz
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$(error "$(BOARD): neither CONFIG_COREBOOT nor CONFIG_LINUXBOOT is set?")
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endif
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# Disable all built in rules
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@ -134,6 +142,36 @@ $(foreach m,$1,\
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)
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endef
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#
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# Build a cpio from a directory
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#
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define do-cpio =
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$(call do,CPIO,$1,\
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( cd "$2"; \
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find . \
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| cpio \
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--quiet \
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-H newc \
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-o \
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) > "$1.tmp" \
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)
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@if ! cmp --quiet "$1.tmp" "$1" ; then \
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mv "$1.tmp" "$1" ; \
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else \
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rm "$1.tmp" ; \
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fi
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endef
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define do-copy =
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$(call do,CP,$2,\
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sha256sum "$(1:$(pwd)/%=%)" ; \
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if ! cmp --quiet "$1" "$2" ; then \
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cp -a "$1" "$2"; \
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fi
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)
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endef
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#
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# Generate the targets for a module.
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#
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@ -257,7 +295,7 @@ endef
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#
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define initrd_bin_add =
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$(initrd_bin_dir)/$(notdir $1): $1
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$(call do,INSTALL-BIN,$$<,cp -a "$$<" "$$@")
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$(call do,INSTALL-BIN,$$(<:$(pwd)/%=%),cp -a "$$<" "$$@")
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@$(CROSS)strip --preserve-dates "$$@" 2>&-; true
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initrd_bins += $(initrd_bin_dir)/$(notdir $1)
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endef
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@ -265,11 +303,13 @@ endef
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define initrd_lib_add =
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$(initrd_lib_dir)/$(notdir $1): $1
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$(call do,INSTALL-LIB,$$@,$(CROSS)strip --preserve-dates -o "$$@" "$$<")
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$(call do,INSTALL-LIB,$(1:$(pwd)/%=%),\
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$(CROSS)strip --preserve-dates -o "$$@" "$$<")
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initrd_libs += $(initrd_lib_dir)/$(notdir $1)
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endef
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# Only some modules have binaries that we install
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# Shouldn't this be specified in the module file?
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bin_modules-$(CONFIG_KEXEC) += kexec
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bin_modules-$(CONFIG_TPMTOTP) += tpmtotp
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bin_modules-$(CONFIG_PCIUTILS) += pciutils
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@ -292,7 +332,7 @@ $(foreach m, $(modules-y), \
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#$(foreach _, $(call outputs,xen), $(eval $(call initrd_bin,$_)))
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# hack to install busybox into the initrd
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initrd-$(BOARD).cpio: busybox.intermediate
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$(build)/$(BOARD)/heads.cpio: busybox.intermediate
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initrd_bins += $(initrd_bin_dir)/busybox
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$(initrd_bin_dir)/busybox: $(build)/$(busybox_dir)/busybox
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@ -320,22 +360,6 @@ $(build)/$(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)/$1: linux.intermediate
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initrd-$(BOARD).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,$$@,$(CROSS)strip --preserve-dates --strip-debug -o "$$@" "$$<")
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endef
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$(call map,linux_module,$(linux_modules-y))
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#
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# initrd image creation
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#
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@ -349,24 +373,47 @@ $(call map,linux_module,$(linux_modules-y))
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# is a chance the build will not be reproducible (although
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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-$(BOARD).cpio: $(initrd_bins) $(initrd_libs) blobs/dev.cpio FORCE
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$(call do,OVERLAY,initrd,\
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tar -C ./initrd -cf - . | tar -C "$(initrd_dir)" -xf - \
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)
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$(call do,INSTALL,$(CONFIG),cp "$(CONFIG)" "$(initrd_dir)/etc/config")
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$(call do,CPIO,$@, \
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cd "$(initrd_dir)"; \
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find . \
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| cpio --quiet -H newc -o \
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| $(pwd)/bin/cpio-clean \
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$(pwd)/blobs/dev.cpio \
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- \
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> "$(pwd)/$@" \
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)
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$(call do,RM,$(initrd_dir),$(RM) -rf "$(initrd_dir)")
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initrd.intermediate: initrd-$(BOARD).cpio
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initrd-y += $(pwd)/blobs/dev.cpio
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initrd-y += $(build)/$(BOARD)/heads.cpio
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initrd-y += $(build)/$(BOARD)/modules.cpio
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initrd-y += $(build)/$(BOARD)/tools.cpio
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initrd.intermediate: $(build)/$(BOARD)/initrd.cpio.xz
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$(build)/$(BOARD)/initrd.cpio.xz: $(initrd-y)
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$(call do,CPIO-CLEAN,$@,\
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$(pwd)/bin/cpio-clean \
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$^ \
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| xz \
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--check=crc32 \
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--lzma2=dict=1MiB \
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-9 \
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| dd bs=512 conv=sync > "$@" \
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)
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@sha256sum "$(@:$(pwd)/%=%)"
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#
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# The heads.cpio is built from the initrd directory in the
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# Heads tree.
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#
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$(build)/$(BOARD)/heads.cpio: FORCE
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$(call do-cpio,$@,$(pwd)/initrd)
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#
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# The tools initrd is made from all of the things that we've
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# created during the submodule build.
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#
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$(build)/$(BOARD)/tools.cpio: \
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$(initrd_bins) \
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$(initrd_libs) \
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$(call do,INSTALL,$(CONFIG), \
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mkdir -p "$(initrd_dir)/etc" ; \
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cp "$(CONFIG)" "$(initrd_dir)/etc/config" \
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)
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$(call do-cpio,$@,$(initrd_dir))
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@$(RM) -rf "$(initrd_dir)"
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#
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@ -375,26 +422,10 @@ initrd.intermediate: initrd-$(BOARD).cpio
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# and the extra padding is to ensure that it can be concatenated to
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# other cpio files.
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#
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coreboot.intermediate: $(build)/$(coreboot_dir)/initrd-$(BOARD).cpio.xz
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$(build)/$(coreboot_dir)/initrd-$(BOARD).cpio.xz: initrd-$(BOARD).cpio.xz
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coreboot.intermediate: $(build)/$(BOARD)/initrd.cpio.xz
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coreboot.intermediate: $(build)/$(BOARD)/bzImage
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#$(build)/$(coreboot_dir)/initrd-$(BOARD).cpio.xz: initrd-$(BOARD).cpio.xz
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%.xz: %
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$(call do,COMPRESS,$<,\
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xz \
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--check=crc32 \
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--lzma2=dict=1MiB \
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-9 \
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< "$<" \
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| dd bs=512 conv=sync > "$@" \
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)
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@sha256sum "$@"
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# hack for the coreboot to find the linux kernel
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$(build)/$(coreboot_dir)/bzImage: $(build)/$(linux_dir)/arch/x86/boot/bzImage
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$(call do,COPY,$@,cp "$^" "$@")
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@sha256sum "$@"
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coreboot.intermediate: $(build)/$(coreboot_dir)/bzImage
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# Each board output has its own fixup required to turn the coreboot.rom
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35
boards/qemu-linuxboot.config
Normal file
35
boards/qemu-linuxboot.config
Normal file
@ -0,0 +1,35 @@
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# Configuration for emulating LinuxBoot+Heads with qemu
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#
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BOARD=qemu-linuxboot
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CONFIG_LINUXBOOT=y
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linuxboot-board := qemu
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#CONFIG_CRYPTSETUP=y
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#CONFIG_FLASHROM=y
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#CONFIG_GPG=y
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CONFIG_KEXEC=y
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CONFIG_UTIL_LINUX=y
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#CONFIG_LVM2=y
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#CONFIG_MBEDTLS=y
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CONFIG_PCIUTILS=y
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#CONFIG_POPT=y
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#CONFIG_QRENCODE=y
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#CONFIG_TPMTOTP=y
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#CONFIG_XEN=y
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CONFIG_DROPBEAR=y
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CONFIG_LINUX_USB=y
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#CONFIG_LINUX_IGB=y
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#CONFIG_LINUX_MEGARAID=y
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#CONFIG_LINUX_E1000E=y
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CONFIG_LINUX_SCSI_GDTH=y
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CONFIG_LINUX_ATA=y
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CONFIG_LINUX_AHCI=y
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CONFIG_BOOTSCRIPT=/bin/generic-init
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CONFIG_BOOT_REQ_HASH=n
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CONFIG_BOOT_REQ_ROLLBACK=n
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CONFIG_BOOT_DEV="/dev/sda1"
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CONFIG_USB_BOOT_DEV="/dev/sdb1"
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@ -3,6 +3,9 @@
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# and it is NERF, not coreboot.
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BOARD=r630
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CONFIG_LINUXBOOT=y
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CONFIG_LINUXBOOT_ROM=blobs/r630-1.3.6.rom
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#CONFIG_CRYPTSETUP=y
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CONFIG_FLASHROM=y
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#CONFIG_GPG=y
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@ -11,6 +11,9 @@
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#
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BOARD=s2600wf
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CONFIG_LINUXBOOT=y
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CONFIG_LINUXBOOT_ROM=blobs/s2600wf.rom
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#CONFIG_CRYPTSETUP=y
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#CONFIG_FLASHROM=y
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CONFIG_GPG=y
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@ -2,6 +2,9 @@
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# and it is NERF, not coreboot.
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BOARD=winterfell
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CONFIG_LINUXBOOT=y
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CONFIG_LINUXBOOT_ROM=blobs/winterfell.rom
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#CONFIG_CRYPTSETUP=y
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CONFIG_FLASHROM=y
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#CONFIG_GPG=y
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@ -17,8 +20,6 @@ CONFIG_TPMTOTP=y
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CONFIG_DROPBEAR=y
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CONFIG_LINUX_USB=y
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CONFIG_LINUX_IGB=y
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CONFIG_LINUX_MEGARAID=y
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CONFIG_LINUX_MLX4=y
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CONFIG_BOOTSCRIPT=/bin/generic-init
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@ -16,8 +16,12 @@ linux_configure := \
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CROSS_COMPILE="$(CROSS)" \
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oldconfig \
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linux_output := arch/x86/boot/bzImage
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linux_config := linux.config
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linux_output += $(build)/$(BOARD)/bzImage
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# linux.intermediate: $(linux_output)
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#linux_output += $(build)/$(BOARD)/modules.cpio
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linux_config ?= linux.config # Allow board config to specialize Linux
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# qemu
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linux_modules-$(CONFIG_LINUX_E1000) += drivers/net/ethernet/intel/e1000/e1000.ko
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@ -43,6 +47,10 @@ linux_modules-$(CONFIG_LINUX_AHCI) += drivers/ata/libahci_platform.ko
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linux_modules-$(CONFIG_LINUX_SFC) += drivers/net/ethernet/sfc/sfc.ko
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linux_modules-$(CONFIG_LINUX_SFC) += drivers/net/mdio.ko
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# Mellanox ConnectX-3 (winterfell)
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linux_modules-$(CONFIG_LINUX_MLX4) += drivers/net/ethernet/mellanox/mlx4/mlx4_core.ko
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linux_modules-$(CONFIG_LINUX_MLX4) += drivers/net/ethernet/mellanox/mlx4/mlx4_en.ko
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# USB modules for both types of controllers
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linux_modules-$(CONFIG_LINUX_USB) += drivers/usb/host/ehci-hcd.ko
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linux_modules-$(CONFIG_LINUX_USB) += drivers/usb/host/ehci-pci.ko
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@ -50,9 +58,6 @@ linux_modules-$(CONFIG_LINUX_USB) += drivers/usb/host/xhci-hcd.ko
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linux_modules-$(CONFIG_LINUX_USB) += drivers/usb/host/xhci-pci.ko
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linux_modules-$(CONFIG_LINUX_USB) += drivers/usb/storage/usb-storage.ko
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linux_modules-$(CONFIG_LINUX_MLX4) += drivers/net/ethernet/mellanox/mlx4/mlx4_core.ko
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linux_modules-$(CONFIG_LINUX_MLX4) += drivers/net/ethernet/mellanox/mlx4/mlx4_en.ko
|
||||
|
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EXTRA_FLAGS := -fdebug-prefix-map=$(pwd)=heads -gno-record-gcc-switches
|
||||
|
||||
linux_target := \
|
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@ -68,3 +73,46 @@ linux_target := \
|
||||
|
||||
# We cross compile linux now
|
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linux_depends := musl-cross
|
||||
|
||||
#
|
||||
# Linux kernel module installation
|
||||
#
|
||||
# This is special cases since we have to do a special strip operation on
|
||||
# the kernel modules to make them fit into the ROM image.
|
||||
#
|
||||
module_initrd_dir := $(shell mktemp -d)
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module_initrd_lib_dir := $(module_initrd_dir)/lib/modules
|
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FOO := $(shell mkdir -p "$(module_initrd_lib_dir)")
|
||||
|
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define linux_module =
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|
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# Each module depends on building the Linux kernel
|
||||
$(build)/$(linux_dir)/$1: linux.intermediate # $(build)/$(BOARD)/bzImage
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||||
|
||||
# The cpio file will depend on every module
|
||||
$(build)/$(BOARD)/modules.cpio: $(module_initrd_lib_dir)/$(notdir $1)
|
||||
|
||||
# Strip the modules when we install them so that they will be extra small
|
||||
$(module_initrd_lib_dir)/$(notdir $1): $(build)/$(linux_dir)/$1
|
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$(call do,INSTALL-MODULE,$1, \
|
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$(CROSS)strip \
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--preserve-dates \
|
||||
--strip-debug \
|
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-o "$$@" \
|
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"$$<" \
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)
|
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endef
|
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|
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$(call map,linux_module,$(linux_modules-y))
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|
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# We can't rebuild the module initrd until the kernel has been rebuilt
|
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$(build)/$(BOARD)/modules.cpio: linux.intermediate
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$(call do-cpio,$@,$(module_initrd_dir))
|
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@$(RM) -rf "$(module_initrd_dir)"
|
||||
|
||||
|
||||
# hack for the coreboot to find the linux kernel
|
||||
$(build)/$(BOARD)/bzImage: linux.intermediate
|
||||
$(build)/$(BOARD)/bzImage: $(build)/$(linux_dir)/arch/x86/boot/bzImage
|
||||
$(call do-copy,$<,$@)
|
||||
|
||||
|
||||
63
modules/linuxboot
Normal file
63
modules/linuxboot
Normal file
@ -0,0 +1,63 @@
|
||||
modules-$(CONFIG_LINUXBOOT) += linuxboot
|
||||
|
||||
linuxboot_version := git
|
||||
linuxboot_repo := https://github.com/osresearch/linuxboot
|
||||
linuxboot_dir := linuxboot-$(linuxboot_version)
|
||||
|
||||
|
||||
linuxboot_configure := \
|
||||
touch .config
|
||||
|
||||
# linuxboot builds are specialized on a per-target basis.
|
||||
# They can be specialized by defining $(linuxboot-board),
|
||||
# otherwise it is assumed that it will have the same name
|
||||
# as the Heads BOARD.
|
||||
linuxboot-board ?= $(BOARD)
|
||||
|
||||
linuxboot_target := \
|
||||
BOARD:=$(linuxboot-board) \
|
||||
KERNEL=$(build)/$(BOARD)/bzImage \
|
||||
INITRD=$(build)/$(BOARD)/initrd.cpio.xz \
|
||||
all
|
||||
|
||||
|
||||
#
|
||||
# Most mainboards will define a ROM file that contains the vendor ROM
|
||||
# for the image. If so, we copy it into the linuxboot tree.
|
||||
#
|
||||
ifneq "$(CONFIG_LINUXBOOT_ROM)" ""
|
||||
|
||||
ifneq "y" "$(shell [ -r '$(CONFIG_LINUXBOOT_ROM)' ] && echo y)"
|
||||
$(error $(CONFIG_LINUXBOOT_ROM): you must provide a ROM file)
|
||||
endif
|
||||
|
||||
linuxboot-vendor-rom := $(build)/$(linuxboot_dir)/boards/$(linuxboot-board)/$(notdir $(CONFIG_LINUXBOOT_ROM))
|
||||
linuxboot.intermediate: $(linuxboot-vendor-rom)
|
||||
$(linuxboot-vendor-rom): $(CONFIG_LINUXBOOT_ROM)
|
||||
$(call do-copy,$<,$@)
|
||||
endif
|
||||
|
||||
# The output file from the LinuxBoot build is a full ROM
|
||||
# ready to flash onto the mainboard. There might be partial
|
||||
# firmware volumes as well, but that depends on the board
|
||||
# so this only retrieves the final one
|
||||
linuxboot_output := $(build)/$(linuxboot_dir)/build/$(linuxboot-board)/linuxboot.rom
|
||||
|
||||
$(linuxboot_output): linuxboot.intermediate
|
||||
|
||||
$(build)/$(BOARD)/linuxboot.rom: $(linuxboot_output)
|
||||
$(call do-copy,$<,$@)
|
||||
|
||||
# The Linux kernel and Heads initrd must be built before linuxboot
|
||||
# unless the user has specified "FAST=1" on the make command line,
|
||||
# which will assume that the kernel and initrd are fresh
|
||||
ifneq "$(FAST)" "1"
|
||||
linuxboot_depends := linux initrd
|
||||
endif
|
||||
|
||||
# The bzImage and initrd must be built, but the dependency
|
||||
# might not be there if FAST is defined.
|
||||
linuxboot.intermediate: \
|
||||
$(build)/$(BOARD)/bzImage \
|
||||
$(build)/$(BOARD)/initrd.cpio.xz \
|
||||
|
||||
Loading…
Reference in New Issue
Block a user