# SPDX-License-Identifier: GPL-2.0-only ifneq ($(NOCOMPILE),1) GIT:=$(shell git -C "$(top)" rev-parse --git-dir 1>/dev/null 2>&1 \ && command -v git) else GIT:= endif ####################################################################### # normalize Kconfig variables in a central place CONFIG_CBFS_PREFIX:=$(call strip_quotes,$(CONFIG_CBFS_PREFIX)) CONFIG_FMDFILE:=$(call strip_quotes,$(CONFIG_FMDFILE)) CONFIG_DEVICETREE:=$(call strip_quotes, $(CONFIG_DEVICETREE)) CONFIG_OVERRIDE_DEVICETREE:=$(call strip_quotes, $(CONFIG_OVERRIDE_DEVICETREE)) CONFIG_CHIPSET_DEVICETREE:=$(call strip_quotes, $(CONFIG_CHIPSET_DEVICETREE)) CONFIG_MEMLAYOUT_LD_FILE:=$(call strip_quotes, $(CONFIG_MEMLAYOUT_LD_FILE)) ####################################################################### # misleadingly named, this is the coreboot version ifeq ($(KERNELVERSION),) ifeq ($(BUILD_TIMELESS),1) KERNELVERSION := -TIMELESS--LESSTIME- else KERNELVERSION := $(strip $(if $(GIT),\ $(shell git describe --dirty --always || git describe),\ $(if $(wildcard $(top)/.coreboot-version),\ $(shell cat $(top)/.coreboot-version),\ coreboot-unknown$(KERNELREVISION)))) endif endif COREBOOT_EXPORTS += KERNELVERSION ####################################################################### # Basic component discovery MAINBOARDDIR=$(call strip_quotes,$(CONFIG_MAINBOARD_DIR)) VARIANT_DIR:=$(call strip_quotes,$(CONFIG_VARIANT_DIR)) CARRIER_DIR:=$(call strip_quotes,$(CONFIG_CARRIER_DIR)) COREBOOT_EXPORTS += MAINBOARDDIR VARIANT_DIR CARRIER_DIR ## Final build results, which CBFSTOOL uses to create the final ## rom image file, are placed under $(objcbfs). ## These typically have suffixes .debug .elf .bin and .map objcbfs := $(obj)/cbfs/$(CONFIG_CBFS_PREFIX) additional-dirs += $(objcbfs) COREBOOT_EXPORTS += objcbfs ## Based on the active configuration, Makefile conditionally collects ## the required assembly includes and saves them in a file. ## Such files that do not have a clear one-to-one relation to a source ## file under src/ are placed and built under $(objgenerated) objgenerated := $(obj)/generated additional-dirs += $(objgenerated) COREBOOT_EXPORTS += objgenerated ## CCACHE_EXTRAFILES can be set by individual rules to help CCACHE ## discover dependencies it might not notice on its own (e.g. asm (".incbin")). COREBOOT_EXPORTS += CCACHE_EXTRAFILES ####################################################################### # root rule to resolve if in build mode (ie. configuration exists) real-target: $(obj)/config.h coreboot files_added coreboot: $(obj)/coreboot.rom $(obj)/cbfstool $(obj)/rmodtool $(obj)/ifwitool $(obj)/cse_fpt $(obj)/cse_serger # This target can be used in site local to run scripts or additional # targets after the build completes by creating a Makefile.inc in the # site-local directory with a target named 'build_complete::' build_complete:: coreboot printf "\nBuilt %s (%s)\n" $(MAINBOARDDIR) \ $(CONFIG_MAINBOARD_PART_NUMBER) # This target can be used to run rules after all files were added to CBFS, # for example to process FMAP regions or the entire image. files_added:: build_complete ####################################################################### # our phony targets PHONY+= clean-abuild coreboot check-style build_complete ####################################################################### # root source directories of coreboot subdirs-y := src/lib src/commonlib/ src/console src/device src/acpi src/superio/common subdirs-y += src/ec/acpi $(wildcard src/ec/*/*) $(wildcard src/southbridge/*/*) subdirs-y += $(wildcard src/soc/*) $(wildcard src/soc/*/common) $(filter-out $(wildcard src/soc/*/common),$(wildcard src/soc/*/*)) subdirs-y += $(wildcard src/northbridge/*/*) subdirs-y += $(filter-out src/superio/common,$(wildcard src/superio/*)) $(wildcard src/superio/*/*) subdirs-y += $(wildcard src/drivers/*) $(wildcard src/drivers/*/*) $(wildcard src/drivers/*/*/*) subdirs-y += src/cpu src/vendorcode subdirs-y += util/cbfstool util/sconfig util/nvramtool util/pgtblgen util/amdfwtool subdirs-y += util/futility util/marvell util/bincfg util/supermicro util/qemu subdirs-y += util/ifdtool subdirs-y += $(wildcard src/arch/*) subdirs-y += src/mainboard/$(MAINBOARDDIR) subdirs-y += src/security subdirs-y += payloads payloads/external subdirs-y += site-local subdirs-y += util/checklist util/testing ####################################################################### # Add source classes and their build options classes-y := ramstage romstage bootblock decompressor postcar smm smmstub cpu_microcode verstage # Add a special 'all' class to add sources to all stages $(call add-special-class,all) all-handler = $(foreach class,bootblock verstage romstage postcar ramstage,$(eval $(class)-y += $(2))) $(call add-special-class,verstage_x86) ifeq ($(CONFIG_ARCH_VERSTAGE_X86_32)$(CONFIG_ARCH_VERSTAGE_X86_64),y) verstage_x86-handler = $(eval verstage-y += $(2)) else verstage_x86-handler = endif # Add dynamic classes for rmodules $(foreach supported_arch,$(ARCH_SUPPORTED), \ $(eval $(call define_class,rmodules_$(supported_arch),$(supported_arch)))) # Provide a macro to determine environment for free standing rmodules. $(foreach supported_arch,$(ARCH_SUPPORTED), \ $(eval rmodules_$(supported_arch)-generic-ccopts += -D__RMODULE__)) ####################################################################### # Helper functions for math, strings, and various file placement matters. # macros work on all formats understood by printf(1) # values are space separated if using more than one value # # int-add: adds an arbitrary length list of integers # int-subtract: subtracts the second of two integers from the first # int-multiply: multiplies an arbitrary length list of integers # int-divide: divides the first integer by the second # int-remainder: arithmetic remainder of the first number divided by the second # int-shift-left: Shift $1 left by $2 bits # int-lt: 1 if the first value is less than the second. 0 otherwise # int-gt: 1 if the first values is greater than the second. 0 otherwise # int-eq: 1 if the two values are equal. 0 otherwise # int-align: align $1 to $2 units # file-size: returns the filesize of the given file # tolower: returns the value in all lowercase # toupper: returns the value in all uppercase # ws_to_under: returns the value with any whitespace changed to underscores _toint=$(shell printf "%d" $1) _int-add2=$(shell expr $(call _toint,$1) + $(call _toint,$2)) int-add=$(if $(filter 1,$(words $1)),$(strip $1),$(call int-add,$(call _int-add2,$(word 1,$1),$(word 2,$1)) $(wordlist 3,$(words $1),$1))) int-subtract=$(if $(filter 1,$(words $1)),$(strip $1),$(shell expr $(call _toint,$(word 1,$1)) - $(call _toint,$(word 2,$1)))) _int-multiply2=$(shell expr $(call _toint,$1) \* $(call _toint,$2)) int-multiply=$(if $(filter 1,$(words $1)),$(strip $1),$(call int-multiply,$(call _int-multiply2,$(word 1,$1),$(word 2,$1)) $(wordlist 3,$(words $1),$1))) int-divide=$(if $(filter 1,$(words $1)),$(strip $1),$(shell expr $(call _toint,$(word 1,$1)) / $(call _toint,$(word 2,$1)))) int-remainder=$(if $(filter 1,$(words $1)),$(strip $1),$(shell expr $(call _toint,$(word 1,$1)) % $(call _toint,$(word 2,$1)))) int-shift-left=$(shell echo "$(call _toint,$(word 1, $1)) * (2 ^ $(call _toint,$(word 2, $1)))" | bc) int-lt=$(if $(filter 1,$(words $1)),$(strip $1),$(shell expr $(call _toint,$(word 1,$1)) \< $(call _toint,$(word 2,$1)))) int-gt=$(if $(filter 1,$(words $1)),$(strip $1),$(shell expr $(call _toint,$(word 1,$1)) \> $(call _toint,$(word 2,$1)))) int-eq=$(if $(filter 1,$(words $1)),$(strip $1),$(shell expr $(call _toint,$(word 1,$1)) = $(call _toint,$(word 2,$1)))) int-align=$(shell A=$(call _toint,$1) B=$(call _toint,$2); expr $$A + \( \( $$B - \( $$A % $$B \) \) % $$B \) ) int-align-down=$(shell A=$(call _toint,$1) B=$(call _toint,$2); expr $$A - \( $$A % $$B \) ) file-size=$(strip $(shell cat $1 | wc -c)) tolower=$(shell echo '$1' | tr '[:upper:]' '[:lower:]') toupper=$(shell echo '$1' | tr '[:lower:]' '[:upper:]') ws_to_under=$(shell echo '$1' | tr ' \t' '_') ####################################################################### # Helper functions for ramstage postprocess spc := spc := $(spc) $(spc) comma := , # Returns all files and dirs below `dir` (recursively). # files-below-dir,dir,files files-below-dir=$(filter $(1)%,$(2)) # Returns all dirs below `dir` (recursively). # dirs-below-dir,dir,files dirs-below-dir=$(filter-out $(1),$(sort $(dir $(call files-below-dir,$(1),$(2))))) # Returns all files directly in `dir` (non-recursively). # files-in-dir,dir,files files-in-dir=$(filter-out $(addsuffix %,$(call dirs-below-dir,$(1),$(2))),$(call files-below-dir,$(1),$(2))) ####################################################################### # reduce command line length by linking the objects of each # directory into an intermediate file ramstage-postprocess=$$(eval DEPENDENCIES+=$$(addsuffix .d,$$(basename $(1)))) \ $(foreach d,$(sort $(dir $(filter-out %.ld,$(1)))), \ $(eval $(d)ramstage.a: $(call files-in-dir,$(d),$(filter-out %.ld,$(1))); rm -f $$@ && $(AR_ramstage) rcsT $$@ $$^ ) \ $(eval ramstage-objs:=$(d)ramstage.a $(filter-out $(filter-out %.ld, $(call files-in-dir,$(d),$(1))),$(ramstage-objs)))) decompressor-generic-ccopts += -D__DECOMPRESSOR__ bootblock-generic-ccopts += -D__BOOTBLOCK__ romstage-generic-ccopts += -D__ROMSTAGE__ ramstage-generic-ccopts += -D__RAMSTAGE__ ifeq ($(CONFIG_COVERAGE),y) ramstage-c-ccopts += -fprofile-arcs -ftest-coverage endif ifneq ($(GIT),) ifneq ($(UPDATED_SUBMODULES),1) $(info Updating git submodules.) # try to fetch non-optional submodules if the source is under git forgetthis:=$(shell git submodule update --init $(quiet_errors)) # Checkout Cmocka repository forgetthis:=$(shell git submodule update --init --checkout 3rdparty/cmocka $(quiet_errors)) ifeq ($(CONFIG_USE_BLOBS),y) # These items are necessary because each has update=none in .gitmodules. They are ignored # until expressly requested and enabled with --checkout forgetthis:=$(shell git submodule update --init --checkout 3rdparty/blobs $(quiet_errors)) forgetthis:=$(shell git submodule update --init --checkout 3rdparty/intel-microcode $(quiet_errors)) ifeq ($(CONFIG_FSP_USE_REPO),y) forgetthis:=$(shell git submodule update --init --checkout 3rdparty/fsp $(quiet_errors)) endif ifeq ($(CONFIG_USE_AMD_BLOBS),y) forgetthis:=$(shell git submodule update --init --checkout 3rdparty/amd_blobs $(quiet_errors)) endif ifeq ($(CONFIG_USE_QC_BLOBS),y) forgetthis:=$(shell git submodule update --init --checkout 3rdparty/qc_blobs $(quiet_errors)) endif endif UPDATED_SUBMODULES:=1 COREBOOT_EXPORTS += UPDATED_SUBMODULES endif endif # GIT != "" postcar-c-deps:=$$(OPTION_TABLE_H) ramstage-c-deps:=$$(OPTION_TABLE_H) romstage-c-deps:=$$(OPTION_TABLE_H) verstage-c-deps:=$$(OPTION_TABLE_H) bootblock-c-deps:=$$(OPTION_TABLE_H) $(foreach type,ads adb, \ $(foreach stage,$(COREBOOT_STANDARD_STAGES), \ $(eval $(stage)-$(type)-deps := \ $(obj)/$(stage)/$(notdir $(KCONFIG_AUTOADS)) \ $(obj)/libgnat-$(ARCH-$(stage)-y)/libgnat.a))) # Add handler to copy linker scripts define generic-objs_ld_template_gen de$(EMPTY)fine $(1)-objs_ld_template $$(call src-to-obj,$1,$$(1).ld): $$(1).ld $(obj)/config.h $(obj)/fmap_config.h @printf " CP $$$$(subst $$$$(obj)/,,$$$$(@))\n" $$(CC_$(1)) -MMD $$(CPPFLAGS_$(1)) $$($(1)-ld-ccopts) $(PREPROCESS_ONLY) -include $(obj)/config.h -MT $$$$@ -o $$$$@ $$$$< en$(EMPTY)def endef # Add handler to deal with archives define generic-objs_a_template_gen de$(EMPTY)fine $(1)-objs_a_template $$(call src-to-obj,$1,$$(1).a): $$(1).a @printf " AR $$$$(subst $$$$(obj)/,,$$$$(@))\n" $$$$(AR_$(1)) rcsT $$$$@.tmp $$$$< mv $$$$@.tmp $$$$@ en$(EMPTY)def endef # Add handler to add no rules for manual files define generic-objs_manual_template_gen # do nothing endef ####################################################################### # Add handler to compile ACPI's ASL # arg1: base file name # arg2: y or n for including in cbfs. defaults to y # Empty resource templates were marked as a warning in IASL with the comment # "This would appear to be worthless in real-world ASL code.", which is # possibly true in many cases. In other cases it seems that an empty # ResourceTemplate is the correct code. # As it's valid ASL, disable the warning. EMPTY_RESOURCE_TEMPLATE_WARNING = 3150 # IASL compiler check for usage of _CRS, _DIS, _PRS, and _SRS objects: # 1) If _PRS is present, must have _CRS and _SRS # 2) If _SRS is present, must have _PRS (_PRS requires _CRS and _SRS) # 3) If _DIS is present, must have _SRS (_SRS requires _PRS, _PRS requires _CRS and _SRS) # 4) If _SRS is present, probably should have a _DIS (Remark only) # A warning will be issued for each of these cases. # For existing ASL code, ignore this warnings IASL_MISSING_DEPENDENCY = 3141 IASL_WARNINGS_LIST = $(EMPTY_RESOURCE_TEMPLATE_WARNING) ifeq ($(CONFIG_IGNORE_IASL_MISSING_DEPENDENCY),y) IASL_WARNINGS_LIST += $(IASL_MISSING_DEPENDENCY) build_complete:: printf "*** WARNING: The ASL code for this platform is incomplete. Please fix it. ***\n" printf "*** If _PRS is present, must have _CRS and _SRS ***\n" printf "*** If _SRS is present, must have _PRS and _CRS ***\n" printf "*** If _DIS is present, must have _SRS, _PRS and _CRS ***\n" endif IGNORED_IASL_WARNINGS = $(addprefix -vw , $(IASL_WARNINGS_LIST)) define asl_template $(CONFIG_CBFS_PREFIX)/$(1).aml-file = $(obj)/$(1).aml $(CONFIG_CBFS_PREFIX)/$(1).aml-type = raw $(CONFIG_CBFS_PREFIX)/$(1).aml-compression = none ifeq ($(CONFIG_SOC_AMD_COMMON_BLOCK_LPC_SPI_DMA),y) $(CONFIG_CBFS_PREFIX)/$(1).aml-align = 64 endif cbfs-files-$(if $(2),$(2),y) += $(CONFIG_CBFS_PREFIX)/$(1).aml -include $(obj)/$(1).d $(obj)/$(1).aml: $(src)/mainboard/$(MAINBOARDDIR)/$(1).asl $(obj)/config.h @printf " IASL $$(subst $(top)/,,$$(@))\n" $(CC_ramstage) -x assembler-with-cpp -E -MMD -MT $$(@) $$(CPPFLAGS_ramstage) -D__ACPI__ -P -include $(src)/include/kconfig.h -I$(obj) -I$(src) -I$(src)/include -I$(src)/arch/$(ARCHDIR-$(ARCH-ramstage-y))/include -I$(src)/mainboard/$(MAINBOARDDIR) $$< -o $(obj)/$(1).asl cd $$(dir $$@); $(IASL) $(IGNORED_IASL_WARNINGS) -we -p $$(notdir $$@) $(1).asl echo " IASL "$(IASL_WARNINGS_LIST)" warning types were ignored!" if ! $(IASL) -d $$@ 2>&1 | grep -Eq 'ACPI (Warning|Error)'; then \ echo " IASL $$@ disassembled correctly."; \ true; \ else \ echo "Error: Could not correctly disassemble $$@"; \ $(IASL) -d $$@; \ false; \ fi endef ####################################################################### # Parse plaintext CMOS defaults into binary format # arg1: source file # arg2: binary file name cbfs-files-processor-nvramtool= \ $(eval $(2): $(1) $(top)/$(call strip_quotes,$(CONFIG_CMOS_LAYOUT_FILE)) | $(objutil)/nvramtool/nvramtool ; \ printf " CREATE $(2) (from $(1))\n"; \ $(objutil)/nvramtool/nvramtool -y $(top)/$(call strip_quotes,$(CONFIG_CMOS_LAYOUT_FILE)) -D $(2).tmp -p $(1) && \ mv $(2).tmp $(2)) ####################################################################### # Reduce a .config file to its minimal representation # arg1: input # arg2: output define cbfs-files-processor-defconfig $(eval $(2): $(1) $(obj)/build.h $(objutil)/kconfig/conf; \ +printf " CREATE $(2) (from $(1))\n"; \ printf "# This image was built using coreboot " > $(2).tmp && \ grep "\" $(obj)/build.h |cut -d\" -f2 >> $(2).tmp && \ $(MAKE) DOTCONFIG=$(1) DEFCONFIG=$(2).tmp2 savedefconfig && \ cat $(2).tmp2 >> $(2).tmp && \ rm -f $(2).tmp2 && \ \mv -f $(2).tmp $(2)) endef ####################################################################### # Compile a C file with a bare struct definition into binary # arg1: C source file # arg2: binary file cbfs-files-processor-struct= \ $(eval $(2): $(1) $(obj)/build.h $(obj)/fmap_config.h $(KCONFIG_AUTOHEADER); \ printf " CC+STRIP $(1)\n"; \ $(CC_ramstage) -MMD $(CPPFLAGS_ramstage) $(CFLAGS_ramstage) --param asan-globals=0 $$(ramstage-c-ccopts) -include $(KCONFIG_AUTOHEADER) -MT $(2) -o $(2).tmp -c $(1) && \ $(OBJCOPY_ramstage) -O binary --only-section='.data*' --only-section='.bss*' --set-section-flags .bss*=alloc,contents,load $(2).tmp $(2); \ rm -f $(2).tmp) \ $(eval DEPENDENCIES += $(2).d) ####################################################################### # Add handler for arbitrary files in CBFS $(call add-special-class,cbfs-files) cbfs-files-handler= \ $(eval tmp-cbfs-method:=$(word 2, $(subst :, ,$($(2)-file)))) \ $(eval $(2)-file:=$(call strip_quotes,$(word 1, $(subst :, ,$($(2)-file))))) \ $(eval tmp-cbfs-file:= ) \ $(if $($(2)-file), \ $(if $(wildcard $(1)$($(2)-file)), \ $(eval tmp-cbfs-file:= $(wildcard $(1)$($(2)-file))), \ $(eval tmp-cbfs-file:= $($(2)-file)))) \ $(if $(strip $($(2)-required)), \ $(if $(wildcard $(tmp-cbfs-file)),, \ $(info This build configuration requires $($(2)-required)) \ $(eval FAILBUILD:=1) \ )) \ $(if $(strip $($(2)-align)), \ $(if $(strip $($(2)-position)), \ $(info ERROR: It is not allowed to specify both alignment and position for $($(2)-file)) \ $(eval FAILBUILD:=1) \ )) \ $(if $(tmp-cbfs-method), \ $(eval tmp-old-cbfs-file:=$(tmp-cbfs-file)) \ $(eval tmp-cbfs-file:=$(shell mkdir -p $(obj)/mainboard/$(MAINBOARDDIR); mktemp $(obj)/mainboard/$(MAINBOARDDIR)/cbfs-file.XXXXXX).out) \ $(call cbfs-files-processor-$(tmp-cbfs-method),$(tmp-old-cbfs-file),$(tmp-cbfs-file))) \ $(if $(tmp-cbfs-file), \ $(eval cbfs-files += $(subst $(spc),*,$(tmp-cbfs-file)|$(2)|$($(2)-type)|$($(2)-compression)|$(strip $($(2)-position))|$($(2)-align)|$($(2)-options)))) \ $(eval $(2)-name:=) \ $(eval $(2)-type:=) \ $(eval $(2)-compression:=) \ $(eval $(2)-position:=) \ $(eval $(2)-required:=) \ $(eval $(2)-options:=) \ $(eval $(2)-align:=) ####################################################################### # a variety of flags for our build CBFS_COMPRESS_FLAG:=none ifeq ($(CONFIG_COMPRESS_RAMSTAGE),y) CBFS_COMPRESS_FLAG:=LZMA endif CBFS_PAYLOAD_COMPRESS_FLAG:=none ifeq ($(CONFIG_COMPRESSED_PAYLOAD_LZMA),y) CBFS_PAYLOAD_COMPRESS_FLAG:=LZMA endif ifeq ($(CONFIG_COMPRESSED_PAYLOAD_LZ4),y) CBFS_PAYLOAD_COMPRESS_FLAG:=LZ4 endif CBFS_SECONDARY_PAYLOAD_COMPRESS_FLAG:=none ifeq ($(CONFIG_COMPRESS_SECONDARY_PAYLOAD),y) CBFS_SECONDARY_PAYLOAD_COMPRESS_FLAG:=LZMA endif CBFS_PRERAM_COMPRESS_FLAG:=none ifeq ($(CONFIG_COMPRESS_PRERAM_STAGES),y) CBFS_PRERAM_COMPRESS_FLAG:=LZ4 endif ifneq ($(CONFIG_LOCALVERSION),"") COREBOOT_EXTRA_VERSION := -$(call strip_quotes,$(CONFIG_LOCALVERSION)) COREBOOT_EXPORTS += COREBOOT_EXTRA_VERSION endif CPPFLAGS_common := -Isrc -Isrc/include -Isrc/commonlib/include -Isrc/commonlib/bsd/include -I$(obj) VBOOT_SOURCE ?= 3rdparty/vboot CPPFLAGS_common += -I$(VBOOT_SOURCE)/firmware/include CPPFLAGS_common += -include $(src)/include/kconfig.h CPPFLAGS_common += -include $(src)/include/rules.h CPPFLAGS_common += -include $(src)/commonlib/bsd/include/commonlib/bsd/compiler.h CPPFLAGS_common += -I3rdparty CPPFLAGS_common += -D__BUILD_DIR__=\"$(obj)\" ifeq ($(BUILD_TIMELESS),1) CPPFLAGS_common += -D__TIMELESS__ endif ifeq ($(CONFIG_PCI_OPTION_ROM_RUN_YABEL)$(CONFIG_PCI_OPTION_ROM_RUN_REALMODE),y) CPPFLAGS_ramstage += -Isrc/device/oprom/include endif CFLAGS_common += -pipe -g -nostdinc -std=gnu11 CFLAGS_common += -nostdlib -Wall -Wundef -Wstrict-prototypes -Wmissing-prototypes CFLAGS_common += -Wwrite-strings -Wredundant-decls -Wno-trigraphs -Wimplicit-fallthrough CFLAGS_common += -Wshadow -Wdate-time -Wtype-limits -Wvla CFLAGS_common += -Wdangling-else CFLAGS_common += -fno-common -ffreestanding -fno-builtin -fomit-frame-pointer CFLAGS_common += -fstrict-aliasing -ffunction-sections -fdata-sections -fno-pie ifeq ($(CONFIG_COMPILER_GCC),y) # Don't add these GCC specific flags when running scan-build ifeq ($(CCC_ANALYZER_OUTPUT_FORMAT),) CFLAGS_common += -Wno-packed-not-aligned CFLAGS_common += -fconserve-stack CFLAGS_common += -Wnull-dereference -Wreturn-type CFLAGS_common += -Wlogical-op -Wduplicated-cond -Wno-array-compare # cf. commit f69a99db (coreboot: x86: enable gc-sections) CFLAGS_common += -Wno-unused-but-set-variable endif endif ADAFLAGS_common += -gnatp ADAFLAGS_common += -Wuninitialized -Wall -Werror ADAFLAGS_common += -pipe -g -nostdinc ADAFLAGS_common += -Wstrict-aliasing -Wshadow ADAFLAGS_common += -fno-common -fomit-frame-pointer ADAFLAGS_common += -ffunction-sections -fdata-sections ADAFLAGS_common += -fno-pie # Ada warning options: # # a Activate most optional warnings. # .e Activate every optional warnings. # e Treat warnings and style checks as errors. # # D Suppress warnings on implicit dereferences: # As SPARK does not accept access types we have to map the # dynamically chosen register locations to a static SPARK # variable. # # .H Suppress warnings on holes/gaps in records: # We are modelling hardware here! # # H Suppress warnings on hiding: # It's too annoying, you run out of ideas for identifiers fast. # # T Suppress warnings for tracking of deleted conditional code: # We use static options to select code paths at compile time. # # U Suppress warnings on unused entities: # Would have lots of warnings for unused register definitions, # `withs` for debugging etc. # # .U Deactivate warnings on unordered enumeration types: # As SPARK doesn't support `pragma Ordered` by now, we don't # use that, yet. # # .W Suppress warnings on unnecessary Warnings Off pragmas: # Things get really messy when you use different compiler # versions, otherwise. # .Y Disable information messages for why package spec needs body: # Those messages are annoying. But don't forget to enable those, # if you need the information. ADAFLAGS_common += -gnatwa.eeD.HHTU.U.W.Y # Disable style checks for now ADAFLAGS_common += -gnatyN LDFLAGS_common := --gc-sections -nostdlib --nmagic -static # Workaround for RISC-V linker bug, merge back into above line when fixed. # https://sourceware.org/bugzilla/show_bug.cgi?id=27180 ifneq ($(CONFIG_ARCH_RISCV),y) LDFLAGS_common += --emit-relocs endif ifeq ($(CONFIG_WARNINGS_ARE_ERRORS),y) CFLAGS_common += -Werror endif ifneq ($(GDB_DEBUG),) CFLAGS_common += -Og ADAFLAGS_common += -Og else CFLAGS_common += -Os ADAFLAGS_common += -Os endif ifeq ($(CONFIG_DEBUG_ADA_CODE),y) ADAFLAGS_common += -gnata endif additional-dirs += $(objutil)/cbfstool $(objutil)/ifdtool \ $(objutil)/options $(objutil)/amdfwtool \ $(objutil)/cbootimage export $(COREBOOT_EXPORTS) ####################################################################### # generate build support files build_h := $(obj)/build.h # We have to manually export variables that `genbuild_h.sh` uses # when we call it through the `$(shell)` function. This is fragile # but as variables newly added to `genbuild_h.sh` would just not # work, we'd notice that instantly at least. build_h_exports := BUILD_TIMELESS KERNELVERSION COREBOOT_EXTRA_VERSION # Report new `build.ht` as dependency if `build.h` differs. build_h_check := \ export $(foreach exp,$(build_h_exports),$(exp)="$($(exp))"); \ util/genbuild_h/genbuild_h.sh $(xcompile) \ >$(build_h)t 2>/dev/null; \ cmp -s $(build_h)t $(build_h) >/dev/null 2>&1 || echo $(build_h)t $(build_h): $$(shell $$(build_h_check)) @printf " GEN build.h\n" mv $< $@ $(obj)/build_info: @echo 'COREBOOT_VERSION: $(call strip_quotes,$(KERNELVERSION))' > $@.tmp @echo 'MAINBOARD_VENDOR: $(call strip_quotes,$(CONFIG_MAINBOARD_VENDOR))' >> $@.tmp @echo 'MAINBOARD_PART_NUMBER: $(call strip_quotes,$(CONFIG_MAINBOARD_PART_NUMBER))' >> $@.tmp mv $@.tmp $@ ####################################################################### # Build the tools CBFSTOOL:=$(objutil)/cbfstool/cbfstool FMAPTOOL:=$(objutil)/cbfstool/fmaptool RMODTOOL:=$(objutil)/cbfstool/rmodtool IFWITOOL:=$(objutil)/cbfstool/ifwitool IFITTOOL:=$(objutil)/cbfstool/ifittool AMDCOMPRESS:=$(objutil)/cbfstool/amdcompress CSE_FPT:=$(objutil)/cbfstool/cse_fpt CSE_SERGER:=$(objutil)/cbfstool/cse_serger $(obj)/cbfstool: $(CBFSTOOL) cp $< $@ $(obj)/fmaptool: $(FMAPTOOL) cp $< $@ $(obj)/rmodtool: $(RMODTOOL) cp $< $@ $(obj)/ifwitool: $(IFWITOOL) cp $< $@ $(obj)/ifittool: $(IFITTOOL) cp $< $@ $(obj)/amdcompress: $(AMDCOMPRESS) cp $< $@ $(obj)/cse_fpt: $(CSE_FPT) cp $< $@ $(obj)/cse_serger: $(CSE_SERGER) cp $< $@ _WINCHECK=$(shell uname -o 2> /dev/null) STACK= ifeq ($(_WINCHECK),Msys) STACK=-Wl,--stack,16384000 endif ifeq ($(_WINCHECK),Cygwin) STACK=-Wl,--stack,16384000 endif BINCFG:=$(objutil)/bincfg/bincfg IFDTOOL:=$(objutil)/ifdtool/ifdtool AMDFWTOOL:=$(objutil)/amdfwtool/amdfwtool APCB_EDIT_TOOL:=$(top)/util/apcb/apcb_edit.py APCB_V3_EDIT_TOOL:=$(top)/util/apcb/apcb_v3_edit.py CBOOTIMAGE:=$(objutil)/cbootimage/cbootimage FUTILITY?=$(objutil)/futility/futility subdirs-y += util/nvidia $(obj)/config.h: $(objutil)/kconfig/conf ####################################################################### # needed objects that every mainboard uses # Creation of these is architecture and mainboard independent DEVICETREE_FILE := $(src)/mainboard/$(MAINBOARDDIR)/$(CONFIG_DEVICETREE) SCONFIG_OPTIONS := --mainboard_devtree=$(DEVICETREE_FILE) ifneq ($(CONFIG_OVERRIDE_DEVICETREE),) OVERRIDE_DEVICETREE_FILE := $(src)/mainboard/$(MAINBOARDDIR)/$(CONFIG_OVERRIDE_DEVICETREE) SCONFIG_OPTIONS += --override_devtree=$(OVERRIDE_DEVICETREE_FILE) endif ifneq ($(CONFIG_CHIPSET_DEVICETREE),) CHIPSET_DEVICETREE_FILE := $(src)/$(CONFIG_CHIPSET_DEVICETREE) SCONFIG_OPTIONS += --chipset_devtree=$(CHIPSET_DEVICETREE_FILE) endif DEVICETREE_STATIC_C := $(obj)/mainboard/$(MAINBOARDDIR)/static.c SCONFIG_OPTIONS += --output_c=$(DEVICETREE_STATIC_C) DEVICETREE_STATIC_H := $(obj)/static.h SCONFIG_OPTIONS += --output_h=$(DEVICETREE_STATIC_H) DEVICETREE_DEVICENAMES_H := $(obj)/static_devices.h SCONFIG_OPTIONS += --output_d=$(DEVICETREE_DEVICENAMES_H) DEVICETREE_FWCONFIG_H := $(obj)/static_fw_config.h SCONFIG_OPTIONS += --output_f=$(DEVICETREE_FWCONFIG_H) $(DEVICETREE_STATIC_C): $(DEVICETREE_FILE) $(OVERRIDE_DEVICETREE_FILE) $(CHIPSET_DEVICETREE_FILE) $(objutil)/sconfig/sconfig @printf " SCONFIG $(subst $(src)/,,$(<))\n" mkdir -p $(dir $(DEVICETREE_STATIC_C)) $(objutil)/sconfig/sconfig $(SCONFIG_OPTIONS) ramstage-y+=$(DEVICETREE_STATIC_C) romstage-y+=$(DEVICETREE_STATIC_C) verstage-y+=$(DEVICETREE_STATIC_C) bootblock-y+=$(DEVICETREE_STATIC_C) postcar-y+=$(DEVICETREE_STATIC_C) smm-y+=$(DEVICETREE_STATIC_C) # Ensure static.c and static.h are created before any objects are compiled ramstage-c-deps+=$(DEVICETREE_STATIC_C) romstage-c-deps+=$(DEVICETREE_STATIC_C) verstage-c-deps+=$(DEVICETREE_STATIC_C) bootblock-c-deps+=$(DEVICETREE_STATIC_C) postcar-c-deps+=$(DEVICETREE_STATIC_C) smm-c-deps+=$(DEVICETREE_STATIC_C) .PHONY: devicetree devicetree: $(DEVICETREE_STATIC_C) ramstage-y += $(CONFIG_MEMLAYOUT_LD_FILE) romstage-y += $(CONFIG_MEMLAYOUT_LD_FILE) bootblock-y += $(CONFIG_MEMLAYOUT_LD_FILE) verstage-y += $(CONFIG_MEMLAYOUT_LD_FILE) postcar-y += $(CONFIG_MEMLAYOUT_LD_FILE) decompressor-y += $(CONFIG_MEMLAYOUT_LD_FILE) ####################################################################### # Clean up rules clean-abuild: rm -rf coreboot-builds ####################################################################### # Development utilities printcrt0s: @echo crt0s=$(crt0s) @echo ldscripts=$(ldscripts) update: dongle.py -c /dev/term/1 $(obj)/coreboot.rom EOF check-style: grep "^# DESCR:" util/lint/check-style | sed "s,.*DESCR: *,," echo "========" util/lint/check-style echo "========" gitconfig: util/gitconfig/gitconfig.sh "$(MAKE)" install-git-commit-clangfmt: cp util/scripts/prepare-commit-msg.clang-format .git/hooks/prepare-commit-msg include util/crossgcc/Makefile.inc .PHONY: tools tools: $(objutil)/kconfig/conf $(objutil)/kconfig/toada $(CBFSTOOL) $(objutil)/cbfstool/cbfs-compression-tool $(FMAPTOOL) $(RMODTOOL) $(IFWITOOL) $(objutil)/nvramtool/nvramtool $(objutil)/sconfig/sconfig $(IFDTOOL) $(CBOOTIMAGE) $(AMDFWTOOL) $(AMDCOMPRESS) $(FUTILITY) $(BINCFG) $(IFITTOOL) $(objutil)/supermicro/smcbiosinfo $(CSE_FPT) $(CSE_SERGER) ########################################################################### # Common recipes for all stages ########################################################################### # loadaddr can determine the load address of a stage, which may be needed for # platform-specific image headers (only works *after* the stage has been built) loadaddr = $(shell $(OBJDUMP_$(1)) -p $(objcbfs)/$(1).debug | \ sed -ne '/LOAD/s/^.*vaddr 0x\([0-9a-fA-F]\{8\}\).*$$/0x\1/p') # find-substr is required for stages like romstage_null and romstage_xip to # eliminate the _* part of the string find-substr = $(word 1,$(subst _, ,$(1))) # find-class is used to identify the class from the name of the stage # The input to this macro can be something like romstage.x or romstage.x.y # find-class recursively strips off the suffixes to extract the exact class name # e.g.: if romstage.x is provided to find-class, it will remove .x and return romstage # if romstage.x.y is provided, it will first remove .y, call find-class with romstage.x # and remove .x the next time and finally return romstage find-class = $(if $(filter $(1),$(basename $(1))),$(if $(CC_$(1)), $(1), $(call find-substr,$(1))),$(call find-class,$(basename $(1)))) # Bootblocks are not CBFS stages. coreboot is currently expecting the bss to # be cleared by the loader of the stage. For ARM SoCs that means one needs to # include the bss section in the binary so the BootROM clears the bss on # loading of the bootblock stage. Achieve this by marking the bss section # loadable,allocatable, and data. Do the same for the .data section in case # the linker marked it NOBITS automatically because there are only zeroes in it. preserve-bss-flags := --set-section-flags .bss=load,alloc,data --set-section-flags .data=load,alloc,data # For Intel TXT files in the CBFS needs to be marked as 'Initial Boot Block'. # As CBFS attributes aren't cheap, only mark them if TXT is enabled. ifeq ($(CONFIG_INTEL_TXT),y) TXTIBB := --ibb else TXTIBB := endif ifeq ($(CONFIG_COMPRESS_BOOTBLOCK),y) $(objcbfs)/bootblock.lz4: $(objcbfs)/bootblock.elf $(objutil)/cbfstool/cbfs-compression-tool @printf " LZ4 $(subst $(obj)/,,$(@))\n" $(OBJCOPY_bootblock) $(preserve-bss-flags) $< $@.tmp $(OBJCOPY_bootblock) -O binary $@.tmp $(objutil)/cbfstool/cbfs-compression-tool rawcompress $@.tmp $@.tmp2 lz4 rm -f $@.tmp mv $@.tmp2 $@ # Put assembled decompressor+bootblock into bootblock.raw.elf so that SoC # Makefiles wrapping the bootblock in a header can always key off the same file. $(objcbfs)/bootblock.raw.elf: $(objcbfs)/decompressor.elf @printf " OBJCOPY $(notdir $(@))\n" $(OBJCOPY_bootblock) $(preserve-bss-flags) $< $@ else # CONFIG_COMPRESS_BOOTBLOCK $(objcbfs)/bootblock.raw.elf: $(objcbfs)/bootblock.elf @printf " OBJCOPY $(notdir $(@))\n" $(OBJCOPY_bootblock) $(preserve-bss-flags) $< $@ endif # CONFIG_COMPRESS_BOOTBLOCK $(objcbfs)/bootblock.raw.bin: $(objcbfs)/bootblock.raw.elf @printf " OBJCOPY $(notdir $(@))\n" $(OBJCOPY_bootblock) -O binary $< $@ ifneq ($(CONFIG_HAVE_BOOTBLOCK),y) $(objcbfs)/bootblock.bin: dd if=/dev/zero of=$@ bs=64 count=1 endif $(objcbfs)/%.bin: $(objcbfs)/%.raw.bin cp $< $@ $(objcbfs)/%.map: $(objcbfs)/%.debug $(eval class := $(call find-class,$(@F))) $(NM_$(class)) -n $< | sort > $(basename $@).map $(objcbfs)/%.elf: $(objcbfs)/%.debug $(objcbfs)/%.map $(eval class := $(call find-class,$(@F))) @printf " OBJCOPY $(subst $(obj)/,,$(@))\n" cp $< $@.tmp $(OBJCOPY_$(class)) --strip-debug $@.tmp $(OBJCOPY_$(class)) --add-gnu-debuglink=$< $@.tmp mv $@.tmp $@ ########################################################################### # Build the final rom image ########################################################################### # extract_nth - Return a subsection of the $file string # # the input string looks like this: # ./build/cbfs/fallback/romstage.elf|fallback/romstage|stage|none||64|--xip*-S*.car.data*-P*0x10000 # # Sections: # 1 - Path and name of file [FILENAME: Added to cbfs-files-y list variable] # 2 - Name of file in cbfs [$(FILENAME)-file] # 3 - File type: [$(FILENAME)-type] # bootblock, cbfs header, stage, payload, optionrom, bootsplash, raw, vsa, # mbi, microcode, fsp, mrc, cmos_default, cmos_layout, spd, mrc_cache, # mma, efi, deleted, null # 4 - Compression type [$(FILENAME)-compression] # none, LZMA # 5 - Base address [$(FILANAME)-position] # 6 - Alignment [$(FILENAME)-align] # 7 - cbfstool flags [$(FILENAME)-options] # # Input: # $(1) = Section to extract # $(2) = Input string # # Steps: # 1) replace all '|' characters with the sequence '- -' within the full string, prepended and appended with the character '-' # 2) extract the specified section from the string - this gets us the section surrounded by '-' characters # 3) remove the leading and trailing '-' characters # 4) replace all '*' characters with spaces extract_nth=$(subst *,$(spc),$(patsubst -%-,%,$(word $(1), $(subst |,- -,-$(2)-)))) # regions-for-file - Returns a cbfstool regions parameter # $(call regions-for-file,$(filename)) # returns "REGION1,REGION2,..." # # This is the default implementation. When using a boot strategy employing # multiple CBFSes in fmap regions, override it. regions-for-file ?= COREBOOT ifeq ($(CONFIG_CBFS_AUTOGEN_ATTRIBUTES),y) cbfs-autogen-attributes=-g endif # cbfs-add-cmd-for-region # $(call cbfs-add-cmd-for-region,file in extract_nth format,region name) # # CBFSTOOL_ADD_CMD_OPTIONS can be used by arch/SoC/mainboard to supply # add commands with any additional arguments for cbfstool. # Example: --ext-win-base --ext-win-size define cbfs-add-cmd-for-region $(CBFSTOOL) $@.tmp \ add$(if $(filter stage,$(call extract_nth,3,$(1))),-stage)$(if \ $(filter payload,$(call extract_nth,3,$(1))),-payload)$(if \ $(filter flat-binary,$(call extract_nth,3,$(1))),-flat-binary) \ -f $(call extract_nth,1,$(1)) \ -n $(call extract_nth,2,$(1)) \ $(if $(filter-out flat-binary payload stage,$(call \ extract_nth,3,$(1))),-t $(call extract_nth,3,$(1))) \ $(if $(call extract_nth,4,$(1)),-c $(call extract_nth,4,$(1))) \ $(cbfs-autogen-attributes) \ -r $(2) \ $(if $(call extract_nth,6,$(1)),-a $(call extract_nth,6,$(file)), \ $(if $(call extract_nth,5,$(file)),-b $(call extract_nth,5,$(file)))) \ $(call extract_nth,7,$(1)) \ $(CBFSTOOL_ADD_CMD_OPTIONS) endef # Empty line before endef is necessary so cbfs-add-cmd-for-region ends in a # newline # cbfs-add-cmd # $(call cbfs-add-cmd, # file in extract_nth format, # region name, # non-empty if file removal requested) define cbfs-add-cmd printf " CBFS $(call extract_nth,2,$(1))\n" $(if $(3),-$(CBFSTOOL) $@.tmp remove -n $(call extract_nth,2,$(file)) 2>/dev/null) $(call cbfs-add-cmd-for-region,$(1),$(2)) endef # list of files to add (using their file system names, not CBFS names), # for dependencies etc. prebuilt-files = $(foreach file,$(cbfs-files), $(call extract_nth,1,$(file))) # $(all-regions) # returns full list of fmap regions that we add files to all-regions = $(sort $(subst $(comma),$(spc), \ $(foreach file,$(cbfs-files), \ $(call regions-for-file,$(call extract_nth,2,$(file)))))) # $(call all-files-in-region,region name) # returns elements in $(cbfs-files) that end up in that region, in the order # they appear in $(cbfs-files) all-files-in-region = $(foreach file,$(cbfs-files), \ $(if $(filter $(1), \ $(subst $(comma),$(spc),$(call regions-for-file,$(call extract_nth,2,$(file))))), \ $(file))) # $(call update-file-for-region,file string from $(cbfs-files),region name) # Update position and alignment according to overrides for region # Doesn't check for invalid configurations (eg. resetting neither or both # position and align) # Returns the updated file string update-file-for-region = \ $(subst $(spc),*,$(call extract_nth,1,$(1))|$(call extract_nth,2,$(1))|$(call extract_nth,3,$(1))|$(call extract_nth,4,$(1))|$($(call extract_nth,2,$(1))-$(2)-position)|$($(call extract_nth,2,$(1))-$(2)-align)|$(call extract_nth,7,$(1))) # $(call placed-files-in-region,region name) # like all-files-in-region, but updates the files to contain region overrides # to position or alignment. placed-files-in-region = $(foreach file,$(call all-files-in-region,$(1)), \ $(if $($(call extract_nth,2,$(file))-$(1)-position), \ $(if $($(call extract_nth,2,$(file))-$(1)-align), \ $(error It is not allowed to specify both alignment and position for $(call extract_nth,2,$(file))-$(1))) \ $(call update-file-for-region,$(file),$(1)), \ $(if $($(call extract_nth,2,$(file))-$(1)-align), \ $(call update-file-for-region,$(file),$(1)), \ $(file)))) # $(call sort-files,subset of $(cbfs-files)) # reorders the files in the given set to list files at fixed positions first, # followed by aligned files and finally those with no constraints. sort-files = \ $(eval _tmp_fixed:=) \ $(eval _tmp_aligned:=) \ $(eval _tmp_regular:=) \ $(foreach file,$(1), \ $(if $(call extract_nth,5,$(file)),\ $(eval _tmp_fixed += $(file)), \ $(if $(call extract_nth,6,$(file)), \ $(eval _tmp_aligned += $(file)), \ $(eval _tmp_regular += $(file))))) \ $(_tmp_fixed) $(_tmp_aligned) $(_tmp_regular) # command list to add files to CBFS prebuild-files = $(foreach region,$(all-regions), \ $(foreach file, \ $(call sort-files,$(call placed-files-in-region,$(region))), \ $(call cbfs-add-cmd,$(file),$(region),$(CONFIG_UPDATE_IMAGE)))) ifeq ($(CONFIG_FMDFILE),) # For a description of the flash layout described by these variables, check # the $(DEFAULT_FLASHMAP) .fmd files. ifeq ($(CONFIG_ARCH_X86),y) DEFAULT_FLASHMAP:=$(top)/util/cbfstool/default-x86.fmd # entire flash FMAP_ROM_ADDR := $(call int-subtract, 0x100000000 $(CONFIG_ROM_SIZE)) FMAP_ROM_SIZE := $(CONFIG_ROM_SIZE) # entire "BIOS" region (everything directly of concern to the host system) # relative to ROM_BASE FMAP_BIOS_BASE := $(call int-align, $(call int-subtract, $(CONFIG_ROM_SIZE) $(CONFIG_CBFS_SIZE)), 0x10000) FMAP_BIOS_SIZE := $(call int-align-down, $(shell echo $(CONFIG_CBFS_SIZE) | tr A-F a-f), 0x10000) # position and size of flashmap, relative to BIOS_BASE # # X86 CONSOLE FMAP region # # position, size and entry line of CONSOLE relative to BIOS_BASE, if enabled FMAP_CURRENT_BASE := 0 ifeq ($(CONFIG_CONSOLE_SPI_FLASH),y) FMAP_CONSOLE_BASE := $(FMAP_CURRENT_BASE) FMAP_CONSOLE_SIZE := $(CONFIG_CONSOLE_SPI_FLASH_BUFFER_SIZE) FMAP_CONSOLE_ENTRY := CONSOLE@$(FMAP_CONSOLE_BASE) $(FMAP_CONSOLE_SIZE) FMAP_CURRENT_BASE := $(call int-add, $(FMAP_CONSOLE_BASE) $(FMAP_CONSOLE_SIZE)) else FMAP_CONSOLE_ENTRY := endif ifeq ($(CONFIG_CACHE_MRC_SETTINGS),y) FMAP_MRC_CACHE_BASE := $(call int-align, $(FMAP_CURRENT_BASE), 0x10000) FMAP_MRC_CACHE_SIZE := $(CONFIG_MRC_SETTINGS_CACHE_SIZE) FMAP_MRC_CACHE_ENTRY := RW_MRC_CACHE@$(FMAP_MRC_CACHE_BASE) $(FMAP_MRC_CACHE_SIZE) FMAP_CURRENT_BASE := $(call int-add, $(FMAP_MRC_CACHE_BASE) $(FMAP_MRC_CACHE_SIZE)) else FMAP_MRC_CACHE_ENTRY := endif ifeq ($(CONFIG_SMMSTORE),y) FMAP_SMMSTORE_BASE := $(call int-align, $(FMAP_CURRENT_BASE), 0x10000) FMAP_SMMSTORE_SIZE := $(CONFIG_SMMSTORE_SIZE) FMAP_SMMSTORE_ENTRY := SMMSTORE@$(FMAP_SMMSTORE_BASE) $(FMAP_SMMSTORE_SIZE) FMAP_CURRENT_BASE := $(call int-add, $(FMAP_SMMSTORE_BASE) $(FMAP_SMMSTORE_SIZE)) else FMAP_SMMSTORE_ENTRY := endif ifeq ($(CONFIG_SPD_CACHE_IN_FMAP),y) FMAP_SPD_CACHE_BASE := $(call int-align, $(FMAP_CURRENT_BASE), 0x4000) FMAP_SPD_CACHE_SIZE := $(call int-multiply, $(CONFIG_DIMM_MAX) $(CONFIG_DIMM_SPD_SIZE)) FMAP_SPD_CACHE_SIZE := $(call int-align, $(FMAP_SPD_CACHE_SIZE), 0x1000) FMAP_SPD_CACHE_ENTRY := $(CONFIG_SPD_CACHE_FMAP_NAME)@$(FMAP_SPD_CACHE_BASE) $(FMAP_SPD_CACHE_SIZE) FMAP_CURRENT_BASE := $(call int-add, $(FMAP_SPD_CACHE_BASE) $(FMAP_SPD_CACHE_SIZE)) else FMAP_SPD_CACHE_ENTRY := endif ifeq ($(CONFIG_VPD),y) FMAP_VPD_BASE := $(call int-align, $(FMAP_CURRENT_BASE), 0x4000) FMAP_VPD_SIZE := $(CONFIG_VPD_FMAP_SIZE) FMAP_VPD_ENTRY := $(CONFIG_VPD_FMAP_NAME)@$(FMAP_VPD_BASE) $(FMAP_VPD_SIZE) FMAP_CURRENT_BASE := $(call int-add, $(FMAP_VPD_BASE) $(FMAP_VPD_SIZE)) else FMAP_VPD_ENTRY := endif # # X86 FMAP region # # # position, size FMAP_FMAP_BASE := $(FMAP_CURRENT_BASE) FMAP_FMAP_SIZE := 0x200 # # X86 COREBOOT default cbfs FMAP region # # position and size of CBFS, relative to BIOS_BASE FMAP_CBFS_BASE := $(call int-add, $(FMAP_FMAP_BASE) $(FMAP_FMAP_SIZE)) FMAP_CBFS_SIZE := $(call int-subtract, $(FMAP_BIOS_SIZE) $(FMAP_CBFS_BASE)) else # ifeq ($(CONFIG_ARCH_X86),y) DEFAULT_FLASHMAP:=$(top)/util/cbfstool/default.fmd # entire flash FMAP_ROM_ADDR := 0 FMAP_ROM_SIZE := $(CONFIG_ROM_SIZE) # entire "BIOS" region (everything directly of concern to the host system) # relative to ROM_BASE FMAP_BIOS_BASE := 0 FMAP_BIOS_SIZE := $(CONFIG_CBFS_SIZE) # position and size of flashmap, relative to BIOS_BASE FMAP_FMAP_BASE := 0x20000 FMAP_FMAP_SIZE := 0x200 FMAP_CURRENT_BASE := $(call int-add, $(FMAP_FMAP_BASE) $(FMAP_FMAP_SIZE)) # # NON-X86 CONSOLE FMAP region # # position, size and entry line of CONSOLE relative to BIOS_BASE, if enabled ifeq ($(CONFIG_CONSOLE_SPI_FLASH),y) FMAP_CONSOLE_BASE := $(FMAP_CURRENT_BASE) FMAP_CONSOLE_SIZE := $(CONFIG_CONSOLE_SPI_FLASH_BUFFER_SIZE) FMAP_CONSOLE_ENTRY := CONSOLE@$(FMAP_CONSOLE_BASE) $(FMAP_CONSOLE_SIZE) FMAP_CURRENT_BASE := $(call int-add, $(FMAP_CONSOLE_BASE) $(FMAP_CONSOLE_SIZE)) else FMAP_CONSOLE_ENTRY := endif # # NON-X86 RW_MRC_CACHE FMAP region # # position, size and entry line of MRC_CACHE relative to BIOS_BASE, if enabled ifeq ($(CONFIG_CACHE_MRC_SETTINGS),y) FMAP_MRC_CACHE_BASE := $(call int-align, $(FMAP_CURRENT_BASE), 0x10000) FMAP_MRC_CACHE_SIZE := $(CONFIG_MRC_SETTINGS_CACHE_SIZE) FMAP_MRC_CACHE_ENTRY := RW_MRC_CACHE@$(FMAP_MRC_CACHE_BASE) $(FMAP_MRC_CACHE_SIZE) FMAP_CURRENT_BASE := $(call int-add, $(FMAP_MRC_CACHE_BASE) $(FMAP_MRC_CACHE_SIZE)) else FMAP_MRC_CACHE_ENTRY := endif # # NON-X86 COREBOOT default cbfs FMAP region # # position and size of CBFS, relative to BIOS_BASE FMAP_CBFS_BASE := $(FMAP_CURRENT_BASE) FMAP_CBFS_SIZE := $(call int-subtract,$(FMAP_BIOS_SIZE) $(FMAP_CBFS_BASE)) endif # ifeq ($(CONFIG_ARCH_X86),y) $(obj)/fmap.fmd: $(top)/Makefile.inc $(DEFAULT_FLASHMAP) $(obj)/config.h sed -e "s,##ROM_BASE##,$(FMAP_ROM_ADDR)," \ -e "s,##ROM_SIZE##,$(FMAP_ROM_SIZE)," \ -e "s,##BIOS_BASE##,$(FMAP_BIOS_BASE)," \ -e "s,##BIOS_SIZE##,$(FMAP_BIOS_SIZE)," \ -e "s,##FMAP_BASE##,$(FMAP_FMAP_BASE)," \ -e "s,##FMAP_SIZE##,$(FMAP_FMAP_SIZE)," \ -e "s,##CONSOLE_ENTRY##,$(FMAP_CONSOLE_ENTRY)," \ -e "s,##MRC_CACHE_ENTRY##,$(FMAP_MRC_CACHE_ENTRY)," \ -e "s,##SMMSTORE_ENTRY##,$(FMAP_SMMSTORE_ENTRY)," \ -e "s,##SPD_CACHE_ENTRY##,$(FMAP_SPD_CACHE_ENTRY)," \ -e "s,##VPD_ENTRY##,$(FMAP_VPD_ENTRY)," \ -e "s,##CBFS_BASE##,$(FMAP_CBFS_BASE)," \ -e "s,##CBFS_SIZE##,$(FMAP_CBFS_SIZE)," \ $(DEFAULT_FLASHMAP) > $@.tmp mv $@.tmp $@ else # ifeq ($(CONFIG_FMDFILE),) $(obj)/fmap.fmd: $(CONFIG_FMDFILE) $(obj)/config.h $(HOSTCC) $(PREPROCESS_ONLY) -include $(obj)/config.h $< -o $@.pre mv $@.pre $@ endif # ifeq ($(CONFIG_FMDFILE),) # generated at the same time as fmap.fmap $(obj)/fmap_config.h: $(obj)/fmap.fmap true $(obj)/fmap.desc: $(obj)/fmap.fmap true $(obj)/fmap.fmap: $(obj)/fmap.fmd $(FMAPTOOL) echo " FMAP $(FMAPTOOL) -h $(obj)/fmap_config.h $< $@" $(FMAPTOOL) -h $(obj)/fmap_config.h -R $(obj)/fmap.desc $< $@ ifeq ($(CONFIG_INTEL_ADD_TOP_SWAP_BOOTBLOCK),y) TS_OPTIONS := -j $(CONFIG_INTEL_TOP_SWAP_BOOTBLOCK_SIZE) endif ifneq ($(CONFIG_ARCH_X86),y) add_bootblock = $(CBFSTOOL) $(1) write -u -r BOOTBLOCK -f $(2) endif # coreboot.pre doesn't follow the standard Make conventions. It gets modified # by multiple rules, and thus we can't compute the dependencies correctly. $(shell rm -f $(obj)/coreboot.pre) ifneq ($(CONFIG_UPDATE_IMAGE),y) $(obj)/coreboot.pre: $$(prebuilt-files) $(CBFSTOOL) $(obj)/fmap.fmap $(obj)/fmap.desc $(objcbfs)/bootblock.bin $(CBFSTOOL) $@.tmp create -M $(obj)/fmap.fmap -r $(shell cat $(obj)/fmap.desc) printf " BOOTBLOCK\n" $(call add_bootblock,$@.tmp,$(objcbfs)/bootblock.bin) $(prebuild-files) true mv $@.tmp $@ else # ifneq ($(CONFIG_UPDATE_IMAGE),y) .PHONY: $(obj)/coreboot.pre $(obj)/coreboot.pre: $$(prebuilt-files) $(CBFSTOOL) mv $(obj)/coreboot.rom $@.tmp || \ (echo "Error: You have UPDATE_IMAGE set in Kconfig, but have no existing image to update." && \ echo "Exiting." && \ false) $(prebuild-files) true mv $@.tmp $@ endif # ifneq ($(CONFIG_UPDATE_IMAGE),y) ifeq ($(CONFIG_HAVE_REFCODE_BLOB),y) REFCODE_BLOB=$(obj)/refcode.rmod $(REFCODE_BLOB): $(RMODTOOL) $(RMODTOOL) -i $(CONFIG_REFCODE_BLOB_FILE) -o $@ endif ifeq ($(CONFIG_HAVE_RAMSTAGE),y) RAMSTAGE=$(objcbfs)/ramstage.elf else RAMSTAGE= endif add_intermediate = \ $(1): $(obj)/coreboot.pre $(2) | $(INTERMEDIATE) \ $(eval INTERMEDIATE+=$(1)) $(eval PHONY+=$(1)) $(obj)/coreboot.rom: $(obj)/coreboot.pre $(CBFSTOOL) $(IFITTOOL) $$(INTERMEDIATE) @printf " CBFS $(subst $(obj)/,,$(@))\n" # The full ROM may be larger than the CBFS part, so create an empty # file (filled with \377 = 0xff) and copy the CBFS image over it. dd if=/dev/zero bs=$(call _toint,$(CONFIG_ROM_SIZE)) count=1 2> /dev/null | tr '\000' '\377' > $@.tmp dd if=$(obj)/coreboot.pre of=$@.tmp bs=8192 conv=notrunc 2> /dev/null ifeq ($(CONFIG_CPU_INTEL_FIRMWARE_INTERFACE_TABLE),y) # Print final FIT table $(IFITTOOL) -f $@.tmp -D -r COREBOOT # Print final TS BOOTBLOCK FIT table ifeq ($(CONFIG_INTEL_ADD_TOP_SWAP_BOOTBLOCK),y) @printf " TOP SWAP FIT table\n" $(IFITTOOL) -f $@.tmp -D $(TS_OPTIONS) -r COREBOOT endif # CONFIG_INTEL_ADD_TOP_SWAP_BOOTBLOCK endif # CONFIG_CPU_INTEL_FIRMWARE_INTERFACE_TABLE mv $@.tmp $@ @printf " CBFSLAYOUT $(subst $(obj)/,,$(@))\n\n" $(CBFSTOOL) $@ layout @printf " CBFSPRINT $(subst $(obj)/,,$(@))\n\n" $(CBFSTOOL) $@ print -r $(subst $(spc),$(comma),$(all-regions)) ifeq ($(CONFIG_CBFS_VERIFICATION),y) line=$$($(CBFSTOOL) $@ print -kv 2>/dev/null | grep -F '[CBFS VERIFICATION (COREBOOT)]') ;\ if ! printf "$$line" | grep -q 'fully valid'; then \ echo "CBFS verification error: $$line" ;\ exit 1 ;\ fi endif # CONFIG_CBFS_VERIFICATION cbfs-files-y += $(CONFIG_CBFS_PREFIX)/romstage $(CONFIG_CBFS_PREFIX)/romstage-file := $(objcbfs)/romstage.elf $(CONFIG_CBFS_PREFIX)/romstage-type := stage $(CONFIG_CBFS_PREFIX)/romstage-compression := $(CBFS_PRERAM_COMPRESS_FLAG) ifeq ($(CONFIG_ARCH_ROMSTAGE_ARM),y) $(CONFIG_CBFS_PREFIX)/romstage-options := -b 0 endif ifeq ($(CONFIG_ARCH_ROMSTAGE_X86_32)$(CONFIG_ARCH_ROMSTAGE_X86_64),y) # Use a 64 byte alignment to provide a minimum alignment # requirement for the overall romstage. While the first object within # romstage could have a 4 byte minimum alignment that doesn't mean the linker # won't decide the entire section should be aligned to a larger value. In the # future cbfstool should add XIP files proper and honor the alignment # requirements of the program segment. # # Make sure that segment for .car.data is ignored while adding romstage. $(CONFIG_CBFS_PREFIX)/romstage-align := 64 $(CONFIG_CBFS_PREFIX)/romstage-options := -S ".car.data" # If CAR does not support execution of code, romstage on x86 is expected to be # xip. ifneq ($(CONFIG_NO_XIP_EARLY_STAGES),y) $(CONFIG_CBFS_PREFIX)/romstage-options += --xip # For efficient MTRR utilisation use natural alignment for romstage. ifeq ($(CONFIG_SETUP_XIP_CACHE),y) $(CONFIG_CBFS_PREFIX)/romstage-options += --pow2page endif # CONFIG_SETUP_XIP_CACHE endif # CONFIG_NO_XIP_EARLY_STAGES endif # CONFIG_ARCH_ROMSTAGE_X86_32 / CONFIG_ARCH_ROMSTAGE_X86_64 ifeq ($(CONFIG_VBOOT_STARTS_IN_ROMSTAGE),y) $(CONFIG_CBFS_PREFIX)/romstage-options += $(TXTIBB) endif cbfs-files-$(CONFIG_HAVE_RAMSTAGE) += $(CONFIG_CBFS_PREFIX)/ramstage $(CONFIG_CBFS_PREFIX)/ramstage-file := $(RAMSTAGE) $(CONFIG_CBFS_PREFIX)/ramstage-type := stage $(CONFIG_CBFS_PREFIX)/ramstage-compression := $(CBFS_COMPRESS_FLAG) # The AMD LPC SPI DMA controller requires source files to be 64 byte aligned. ifeq ($(CONFIG_SOC_AMD_COMMON_BLOCK_LPC_SPI_DMA),y) $(CONFIG_CBFS_PREFIX)/ramstage-align := 64 endif cbfs-files-$(CONFIG_HAVE_REFCODE_BLOB) += $(CONFIG_CBFS_PREFIX)/refcode $(CONFIG_CBFS_PREFIX)/refcode-file := $(REFCODE_BLOB) $(CONFIG_CBFS_PREFIX)/refcode-type := stage $(CONFIG_CBFS_PREFIX)/refcode-compression := $(CBFS_COMPRESS_FLAG) cbfs-files-$(CONFIG_SEABIOS_VGA_COREBOOT) += vgaroms/seavgabios.bin vgaroms/seavgabios.bin-file := $(CONFIG_PAYLOAD_VGABIOS_FILE) vgaroms/seavgabios.bin-type := raw cbfs-files-$(CONFIG_INCLUDE_CONFIG_FILE) += config config-file := $(DOTCONFIG):defconfig config-type := raw cbfs-files-$(CONFIG_INCLUDE_CONFIG_FILE) += revision revision-file := $(obj)/build.h revision-type := raw cbfs-files-y += build_info build_info-file := $(obj)/build_info build_info-type := raw BOOTSPLASH_SUFFIX=$(suffix $(call strip_quotes,$(CONFIG_BOOTSPLASH_FILE))) cbfs-files-$(CONFIG_BOOTSPLASH_IMAGE) += bootsplash$(BOOTSPLASH_SUFFIX) bootsplash$(BOOTSPLASH_SUFFIX)-file := $(call strip_quotes,$(CONFIG_BOOTSPLASH_FILE)) bootsplash$(BOOTSPLASH_SUFFIX)-type := bootsplash # Ensure that no payload segment overlaps with memory regions used by ramstage # (not for x86 since it can relocate itself in that case) ifneq ($(CONFIG_ARCH_X86),y) check-ramstage-overlap-regions := ramstage check-ramstage-overlap-files := ifneq ($(CONFIG_PAYLOAD_NONE),y) check-ramstage-overlap-files += $(CONFIG_CBFS_PREFIX)/payload endif # will output one or more lines of " " cbfs-get-segments-cmd = $(CBFSTOOL) $(obj)/coreboot.pre print -v | sed -n \ '\%$(1)%,\%^[^ ]\{4\}%s% .*load: \(0x[0-9a-fA-F]*\),.*length: [0-9]*/\([0-9]*\).*%\1 \2%p' ramstage-symbol-addr-cmd = $(OBJDUMP_ramstage) -t $(objcbfs)/ramstage.elf | \ sed -n '/ $(1)$$/s/^\([0-9a-fA-F]*\) .*/0x\1/p' | \ uniq $(call add_intermediate, check-ramstage-overlaps) programs=$$($(foreach file,$(check-ramstage-overlap-files), \ $(call cbfs-get-segments-cmd,$(file)) ; )) ; \ regions=$$($(foreach region,$(check-ramstage-overlap-regions), \ echo $(region) ; \ $(call ramstage-symbol-addr-cmd,_$(region)) ; \ $(call ramstage-symbol-addr-cmd,_e$(region)) ; )) ; \ pstart= ; pend= ; \ for x in $$programs; do \ if [ -z $$pstart ]; then pstart=$$(($$x)) ; continue ; fi ; \ pend=$$(($$pstart + $$x)) ; \ rname= ; rstart= ; rend= ; \ for y in $$regions ; do \ if [ -z $$rname ]; then rname=$$y ; continue ; fi ; \ if [ -z $$rstart ]; then rstart=$$(($$y)) ; continue ; fi ; \ rend=$$(($$y)) ; \ if [ $$pstart -lt $$rend -a $$rstart -lt $$pend ]; then \ echo "ERROR: Ramstage region _$$rname overlapped by:" \ $(check-ramstage-overlap-files) ; \ exit 1 ; \ fi ; \ rname= ; rstart= ; rend= ; \ done ; \ pstart= ; pend= ; \ done endif