mirror of
https://github.com/linuxboot/heads.git
synced 2024-12-23 14:52:27 +00:00
433 lines
11 KiB
Makefile
433 lines
11 KiB
Makefile
modules-y :=
|
|
pwd := $(shell pwd)
|
|
packages := $(pwd)/packages
|
|
build := $(pwd)/build
|
|
config := $(pwd)/build
|
|
INSTALL := $(pwd)/install
|
|
log_dir := $(build)/log
|
|
|
|
# Controls how many parallel jobs are invoked in subshells
|
|
CPUS := $(shell nproc)
|
|
MAKE_JOBS ?= -j$(CPUS) --max-load 16
|
|
|
|
# Create the log directory if it doesn't already exist
|
|
BUILD_LOG := $(shell [ -d "$(log_dir)" ] || mkdir -p "$(log_dir)")
|
|
|
|
# Timestamps should be in ISO format
|
|
DATE=`date --rfc-3339=seconds`
|
|
|
|
# If V is set in the environment, do not redirect the tee
|
|
# command to /dev/null.
|
|
ifeq "$V" ""
|
|
VERBOSE_REDIRECT := > /dev/null
|
|
# Not verbose, so we only show the header
|
|
define do =
|
|
@echo "$(DATE) $1 $2"
|
|
@$3
|
|
endef
|
|
else
|
|
# Verbose, so we display what we are doing
|
|
define do =
|
|
@echo "$(DATE) $1 $2"
|
|
$3
|
|
endef
|
|
endif
|
|
|
|
|
|
# Check that we have a correct version of make
|
|
LOCAL_MAKE_VERSION := $(shell $(MAKE) --version | head -1 | cut -d' ' -f3)
|
|
include modules/make
|
|
|
|
ifeq "$(LOCAL_MAKE_VERSION)" "$(make_version)"
|
|
|
|
# Create a temporary directory for the initrd
|
|
initrd_dir := $(shell mktemp -d)
|
|
initrd_lib_dir := $(initrd_dir)/lib
|
|
initrd_bin_dir := $(initrd_dir)/bin
|
|
|
|
$(shell mkdir -p "$(initrd_lib_dir)" "$(initrd_bin_dir)")
|
|
$(shell echo "Initrd: $initrd_dir")
|
|
|
|
ifeq "$(CONFIG)" ""
|
|
CONFIG := config/qemu-moc.config
|
|
$(eval $(shell echo >&2 "$(DATE) CONFIG is not set, defaulting to $(CONFIG)"))
|
|
endif
|
|
|
|
include $(CONFIG)
|
|
|
|
# We are running our own version of make,
|
|
# proceed with the build.
|
|
|
|
# Force pipelines to fail if any of the commands in the pipe fail
|
|
SHELL := /bin/bash
|
|
.SHELLFLAGS := -o pipefail -c
|
|
|
|
# Currently supported targets are x230, chell and qemu
|
|
BOARD ?= qemu
|
|
|
|
# If musl-libc is being used in the initrd, set the heads_cc
|
|
# variable to point to it.
|
|
musl_dep := musl
|
|
heads_cc := $(INSTALL)/bin/musl-gcc \
|
|
-fdebug-prefix-map=$(pwd)=heads \
|
|
-gno-record-gcc-switches \
|
|
|
|
CROSS := $(build)/../crossgcc/x86_64-linux-musl/bin/x86_64-musl-linux-
|
|
|
|
|
|
all: $(BOARD).rom
|
|
|
|
# Disable all built in rules
|
|
.SUFFIXES:
|
|
FORCE:
|
|
|
|
# Make helpers to operate on lists of things
|
|
define prefix =
|
|
$(foreach _, $2, $1$_)
|
|
endef
|
|
define map =
|
|
$(foreach _,$2,$(eval $(call $1,$_)))
|
|
endef
|
|
|
|
# Bring in all of the module definitions;
|
|
# these are the external pieces that will be downloaded and built
|
|
# as part of creating the Heads firmware image.
|
|
include modules/*
|
|
|
|
# These will be built via their intermediate targets
|
|
# This increases the build time, so it is commented out for now
|
|
#all: $(foreach m,$(modules-y),$m.intermediate)
|
|
|
|
define bins =
|
|
$(foreach m,$1,$(call prefix,$(build)/$($m_dir)/,$($m_output)))
|
|
endef
|
|
define libs =
|
|
$(foreach m,$1,$(call prefix,$(build)/$($m_dir)/,$($m_libraries)))
|
|
endef
|
|
|
|
define outputs =
|
|
$(foreach m,$1,\
|
|
$(call bins,$m)\
|
|
$(call libs,$m)\
|
|
)
|
|
endef
|
|
|
|
#
|
|
# Generate the targets for a module.
|
|
#
|
|
# Special variables like $@ must be written as $$@ to avoid
|
|
# expansion during the first evaluation.
|
|
#
|
|
define define_module =
|
|
ifneq ("$($1_repo)","")
|
|
# Checkout the tree instead and touch the canary file so that we know
|
|
# that the files are all present. No signature hashes are checked in
|
|
# this case, since we don't have a stable version to compare against.
|
|
$(build)/$($1_dir)/.canary:
|
|
git clone "$($1_repo)" "$(build)/$($1_dir)"
|
|
if [ -r patches/$1.patch ]; then \
|
|
( cd $(build)/$($1_dir) ; patch -p1 ) \
|
|
< patches/$1.patch; \
|
|
fi
|
|
@touch "$$@"
|
|
else
|
|
# Fetch and verify the source tar file
|
|
$(packages)/$($1_tar):
|
|
wget -O "$$@" $($1_url)
|
|
$(packages)/.$1_verify: $(packages)/$($1_tar)
|
|
echo "$($1_hash) $$^" | sha256sum --check -
|
|
@touch "$$@"
|
|
|
|
# Unpack the tar file and touch the canary so that we know
|
|
# that the files are all present
|
|
$(build)/$($1_dir)/.canary: $(packages)/.$1_verify
|
|
tar -xf "$(packages)/$($1_tar)" -C "$(build)"
|
|
if [ -r patches/$1-$($1_version).patch ]; then \
|
|
( cd $(build)/$($1_dir) ; patch -p1 ) \
|
|
< patches/$1-$($1_version).patch; \
|
|
fi
|
|
@touch "$$@"
|
|
endif
|
|
|
|
ifeq "$($1_config)" ""
|
|
# There is no official .config file
|
|
$(build)/$($1_dir)/.config: $(build)/$($1_dir)/.canary
|
|
@touch "$$@"
|
|
else
|
|
# Copy the stored config file into the unpacked directory
|
|
$(build)/$($1_dir)/.config: config/$($1_config) $(build)/$($1_dir)/.canary
|
|
$(call do,COPY,"$$<",cp "$$<" "$$@")
|
|
endif
|
|
|
|
# Use the module's configure variable to build itself
|
|
$(build)/$($1_dir)/.configured: \
|
|
$(build)/$($1_dir)/.canary \
|
|
$(build)/$($1_dir)/.config
|
|
@echo "$(DATE) CONFIG $1"
|
|
@( \
|
|
cd "$(build)/$($1_dir)" ; \
|
|
echo "$($1_configure)"; \
|
|
$($1_configure) \
|
|
) \
|
|
< /dev/null \
|
|
2>&1 \
|
|
| tee "$(log_dir)/$1.configure.log" \
|
|
$(VERBOSE_REDIRECT)
|
|
@touch "$$@"
|
|
|
|
# All of the outputs should result from building the intermediate target
|
|
$(call outputs,$1): $1.intermediate
|
|
|
|
# Short hand target for the module
|
|
#$1: $(call outputs,$1)
|
|
|
|
# Target for all of the outputs, which depend on their dependent modules
|
|
$1.intermediate: \
|
|
$(foreach d,$($1_depends),$d.intermediate) \
|
|
$(foreach d,$($1_depends),$(call outputs,$d)) \
|
|
$(build)/$($1_dir)/.configured
|
|
@echo "$(DATE) MAKE $1"
|
|
@( \
|
|
echo "$(MAKE) \
|
|
-C \"$(build)/$($1_dir)\" \
|
|
$($1_target)" ; \
|
|
$(MAKE) \
|
|
-C "$(build)/$($1_dir)" \
|
|
$($1_target) \
|
|
) \
|
|
< /dev/null \
|
|
2>&1 \
|
|
| tee "$(log_dir)/$1.log" \
|
|
$(VERBOSE_REDIRECT) \
|
|
|| ( \
|
|
echo "tail $(log_dir)/$1.log"; \
|
|
echo "-----"; \
|
|
tail -20 "$(log_dir)/$1.log"; \
|
|
exit 1; \
|
|
)
|
|
|
|
$1.clean:
|
|
-$(RM) "$(build)/$($1_dir)/.configured"
|
|
-$(MAKE) -C "$(build)/$($1_dir)" clean
|
|
|
|
endef
|
|
|
|
$(call map, define_module, $(modules-y))
|
|
|
|
|
|
#
|
|
# Install a file into the initrd, if it changed from
|
|
# the destination file.
|
|
#
|
|
define install =
|
|
@-mkdir -p "$(dir $2)"
|
|
$(call do,INSTALL,$2,cp "$1" "$2")
|
|
endef
|
|
|
|
#
|
|
# Files that should be copied into the initrd
|
|
# THis should probably be done in a more scalable manner
|
|
#
|
|
define initrd_bin_add =
|
|
$(initrd_bin_dir)/$(notdir $1): $1
|
|
$(call do,INSTALL-BIN,$$<,cp "$$<" "$$@")
|
|
@$(CROSS)strip "$$@" 2>&-; true
|
|
initrd_bins += $(initrd_bin_dir)/$(notdir $1)
|
|
endef
|
|
|
|
|
|
define initrd_lib_add =
|
|
$(initrd_lib_dir)/$(notdir $1): $1
|
|
$(call do,INSTALL-LIB,$$@,$(CROSS)strip -o "$$@" "$$<")
|
|
initrd_libs += $(initrd_lib_dir)/$(notdir $1)
|
|
endef
|
|
|
|
# Only some modules have binaries that we install
|
|
bin_modules-$(CONFIG_KEXEC) += kexec
|
|
bin_modules-$(CONFIG_TPMTOTP) += tpmtotp
|
|
bin_modules-$(CONFIG_PCIUTILS) += pciutils
|
|
bin_modules-$(CONFIG_FLASHROM) += flashrom
|
|
bin_modules-$(CONFIG_CRYPTSETUP) += cryptsetup
|
|
bin_modules-$(CONFIG_GPG) += gpg
|
|
bin_modules-$(CONFIG_LVM2) += lvm2
|
|
bin_modules-$(CONFIG_XEN) += xen
|
|
|
|
$(foreach m, $(bin_modules-y), \
|
|
$(call map,initrd_bin_add,$(call bins,$m)) \
|
|
)
|
|
|
|
# Install the libraries for every module that we have built
|
|
$(foreach m, $(modules-y), \
|
|
$(call map,initrd_lib_add,$(call libs,$m)) \
|
|
)
|
|
|
|
#$(foreach _, $(call outputs,xen), $(eval $(call initrd_bin,$_)))
|
|
|
|
# hack to install busybox into the initrd
|
|
initrd.cpio: busybox.intermediate
|
|
initrd_bins += $(initrd_bin_dir)/busybox
|
|
|
|
$(initrd_bin_dir)/busybox: $(build)/$(busybox_dir)/busybox
|
|
$(do,SYMLINK,$@,$(MAKE) \
|
|
-C $(build)/$(busybox_dir) \
|
|
CC="$(heads_cc)" \
|
|
CONFIG_PREFIX="$(pwd)/initrd" \
|
|
$(MAKE_JOBS) \
|
|
install \
|
|
)
|
|
|
|
#
|
|
# hack to build cbmem from coreboot
|
|
# this must be built *AFTER* musl, but since coreboot depends on other things
|
|
# that depend on musl it should be ok.
|
|
#
|
|
$(call initrd_bin_add,$(build)/$(coreboot_dir)/util/cbmem/cbmem)
|
|
$(build)/$(coreboot_dir)/util/cbmem/cbmem: \
|
|
$(build)/$(coreboot_dir)/.canary \
|
|
musl.intermediate
|
|
$(call do,MAKE,cbmem,\
|
|
$(MAKE) -C "$(dir $@)" CC="$(heads_cc)" \
|
|
)
|
|
|
|
#
|
|
# 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.
|
|
#
|
|
define linux_module =
|
|
$(build)/$(linux_dir)/$1: linux.intermediate
|
|
initrd.cpio: $(initrd_lib_dir)/modules/$(notdir $1)
|
|
$(initrd_lib_dir)/modules/$(notdir $1): $(build)/$(linux_dir)/$1
|
|
@-mkdir -p "$(initrd_lib_dir)/modules"
|
|
$(call do,INSTALL-MODULE,$$@,$(CROSS)strip --strip-debug -o "$$@" "$$<")
|
|
endef
|
|
$(call map,linux_module,$(linux_modules-y))
|
|
|
|
|
|
#
|
|
# initrd image creation
|
|
#
|
|
# The initrd is constructed from various bits and pieces
|
|
# The cpio-clean program is used ensure that the files
|
|
# always have the same timestamp and appear in the same order.
|
|
#
|
|
# If there is no /dev/console, initrd can't startup.
|
|
# We have to force it to be included into the cpio image.
|
|
# Since we are picking up the system's /dev/console, there
|
|
# is a chance the build will not be reproducible (although
|
|
# unlikely that their device file has a different major/minor)
|
|
#
|
|
#
|
|
initrd.cpio: $(initrd_bins) $(initrd_libs) dev.cpio FORCE
|
|
$(call do,OVERLAY,initrd,\
|
|
tar -C ./initrd -cf - . | tar -C "$(initrd_dir)" -xf - \
|
|
)
|
|
$(call do,INSTALL,$(CONFIG),cp "$(CONFIG)" "$(initrd_dir)/config")
|
|
$(call do,CPIO,$@, \
|
|
cd "$(initrd_dir)"; \
|
|
find . \
|
|
| cpio --quiet -H newc -o \
|
|
| $(pwd)/cpio-clean \
|
|
$(pwd)/dev.cpio \
|
|
- \
|
|
> "$(pwd)/$@" \
|
|
)
|
|
$(call do,RM,$(initrd_dir),$(RM) -rf "$(initrd_dir)")
|
|
|
|
initrd.intermediate: initrd.cpio
|
|
|
|
|
|
#
|
|
# Compress the initrd into a xz file that can be included by coreboot.
|
|
# The extra options are necessary to let the Linux kernel decompress it.
|
|
#
|
|
coreboot.intermediate: $(build)/$(coreboot_dir)/initrd.cpio.xz
|
|
$(build)/$(coreboot_dir)/initrd.cpio.xz: initrd.cpio
|
|
$(call do,COMPRESS,$<,\
|
|
xz \
|
|
--check=crc32 \
|
|
--lzma2=dict=1MiB \
|
|
--extreme \
|
|
< "$<" \
|
|
> "$@" \
|
|
)
|
|
@sha256sum "$@"
|
|
|
|
# hack for the coreboot to find the linux kernel
|
|
$(build)/$(coreboot_dir)/bzImage: $(build)/$(linux_dir)/arch/x86/boot/bzImage
|
|
$(call do,COPY,$@,cp "$^" "$@")
|
|
@sha256sum "$@"
|
|
|
|
coreboot.intermediate: $(build)/$(coreboot_dir)/bzImage
|
|
|
|
|
|
# Each board output has its own fixup required to turn the coreboot.rom
|
|
# into a flashable image.
|
|
|
|
# This produces a ROM image suitable for writing into the top chip;
|
|
x230.flash.rom: $(build)/$(coreboot_dir)/x230.flash/coreboot.rom
|
|
"$(build)/$(coreboot_dir)/$(BOARD)/cbfstool" "$<" print
|
|
$(call do,EXTRACT,$@,dd if="$<" of="$@" bs=1M skip=8)
|
|
@-$(RM) $<
|
|
@sha256sum "$@"
|
|
|
|
# This produces a ROM image that is written with the flashrom program
|
|
%.rom: $(build)/$(coreboot_dir)/%/coreboot.rom
|
|
"$(build)/$(coreboot_dir)/$(BOARD)/cbfstool" "$<" print
|
|
$(call do,EXTRACT,$@,mv "$<" "$@")
|
|
@sha256sum "$@"
|
|
|
|
modules.clean:
|
|
for dir in \
|
|
$(busybox_dir) \
|
|
$(cryptsetup_dir) \
|
|
$(gnupg_dir) \
|
|
$(kexec_dir) \
|
|
$(libuuid_dir) \
|
|
$(lvm2_dir) \
|
|
$(mbedtls_dir) \
|
|
$(popt_dir) \
|
|
$(qrencode_dir) \
|
|
$(tpmtotp_dir) \
|
|
; do \
|
|
$(MAKE) -C "build/$$dir" clean ; \
|
|
rm "build/$$dir/.configured" ; \
|
|
done
|
|
|
|
|
|
else
|
|
# Wrong make version detected -- build our local version
|
|
# and re-invoke the Makefile with it instead.
|
|
$(eval $(shell echo >&2 "$(DATE) Wrong make detected: $(LOCAL_MAKE_VERSION)"))
|
|
HEADS_MAKE := $(build)/$(make_dir)/make
|
|
|
|
# Once we have a proper Make, we can just pass arguments into it
|
|
all: $(HEADS_MAKE)
|
|
LANG=C MAKE=$(HEADS_MAKE) $(HEADS_MAKE) $@
|
|
%.clean %.intermediate: $(HEADS_MAKE)
|
|
LANG=C MAKE=$(HEADS_MAKE) $(HEADS_MAKE) $@
|
|
|
|
# How to download and build the correct version of make
|
|
$(HEADS_MAKE): $(build)/$(make_dir)/Makefile
|
|
make -C "$(dir $@)" $(MAKE_JOBS) \
|
|
2>&1 \
|
|
| tee "$(log_dir)/make.log" \
|
|
$(VERBOSE_REDIRECT)
|
|
|
|
$(build)/$(make_dir)/Makefile: $(packages)/$(make_tar)
|
|
tar xf "$<" -C build/
|
|
cd "$(dir $@)" ; ./configure \
|
|
2>&1 \
|
|
| tee "$(log_dir)/make.configure.log" \
|
|
$(VERBOSE_REDIRECT)
|
|
|
|
$(packages)/$(make_tar):
|
|
wget -O "$@" "$(make_url)"
|
|
if ! echo "$(make_hash) $@" | sha256sum --check -; then \
|
|
$(MV) "$@" "$@.failed"; \
|
|
false; \
|
|
fi
|
|
|
|
endif
|