| # Coreboot codebase analysis tool |
| # |
| # This makefile collects source usage information for all working targets. |
| # |
| # Written 7/2006 by Josiah England <josiah@lanl.gov> |
| # |
| # This file is subject to the terms and conditions of the GNU General |
| # Public License. See the file COPYING in the main directory of this |
| # archive for more details. |
| |
| TOP := $(shell cd ../.. && pwd) |
| BUILD_BASE := $(TOP)/targets |
| |
| IGNORE_ERRORS := 2>/dev/null # Comment out this line for some ugly verbosity |
| IGNORE_VENDORS := emulation momentum embeddedplanet motorola totalimpact |
| IGNORE_C := static.c# romcc.c |
| |
| quote = "#" |
| |
| VENDORS := $(shell ls -l $(TOP)/targets | grep ^d | grep -Eo [[:alnum:]_-]+$$$(foreach ignored, $(IGNORE_VENDORS), | grep -v $(ignored))) |
| #<VENDOR>_BOARDS assignments |
| $(foreach VENDOR, $(VENDORS), $(eval $(VENDOR)_BOARDS := $(shell ls $(TOP)/targets/$(VENDOR)))) |
| TARGETS := $(foreach VENDOR, $(VENDORS), $(addprefix $(VENDOR)/, $($(VENDOR)_BOARDS))) |
| |
| # The following delayed-evalutate variables are only to be used in rule commands. |
| MAINBOARD = $(TOP)/src/mainboard/$(shell grep ^mainboard $(dir $*)/Config.lb|grep -Eo [-[:alnum:]_/]+[[:space:]]?$$) |
| IMAGE_DIR = $(firstword $(shell grep -Eo ^romimage[[:space:]]+\"[[:alnum:]_-/]+ $(dir $*)/Config.lb|sed -r s/romimage[[:space:]]+\"//)) |
| |
| # Evaluate one assignment to variable "$1" from file "$2" |
| load_var = $(eval $(shell grep -E ^[[:space:]]*$1[[:space:]]*:*= $2 $(IGNORE_ERRORS))) |
| |
| .PHONY: clean analysis |
| |
| analysis: analysis.dat |
| gnuplot -persist '$<' |
| |
| # Generate gnuplot data file |
| analysis.dat: analysis.txt |
| @ echo Writing gnuplot data file \($@\). |
| @ echo -e > $@ "# gnuplot dataset auto-generated $(shell date)" \ |
| "\nset title \"Coreboot Codebase Analysis\"" \ |
| "\nset style data boxes" \ |
| "\nset style fill solid .5" \ |
| $(foreach target, $(TARGETS), "\n"set label \"$(target)\" at $(words $(labels))$(eval labels += $(target)),-145 rotate front) \ |
| "\nplot [-.5:] '-' t 'Source:' , '-' t 'Nested C:' , '-' t 'Headers:' , '-' t 'romcc Sources:' , '-' t 'romcc Headers:'" |
| @ grep -F "C files" $< | grep -Eo [[:digit:]]+ >> $@ |
| @ echo e >> $@ |
| @ grep -F "Nested C" $< | grep -Eo [[:digit:]]+ >> $@ |
| @ echo e >> $@ |
| @ grep -F "Headers" $< | grep -Eo [[:digit:]]+ | sed -r s/\([[:digit:]]+\)/'-'\\1/>> $@ |
| @ echo e >> $@ |
| @ grep -F "romcc C" $< | grep -Eo [[:digit:]]+ >> $@ |
| @ echo e >> $@ |
| @ grep -F "romcc H" $< | grep -Eo [[:digit:]]+ | sed -r s/\([[:digit:]]+\)/'-'\\1/>> $@ |
| @ echo e >> $@ |
| |
| analysis.txt: $(foreach target, $(TARGETS), $(BUILD_BASE)/$(target)/$(shell grep ^target $(BUILD_BASE)/$(target)/Config.lb | grep -Eo [[:alnum:]_-]+[[:space:]]?$$)/analysis/info) |
| @ echo -e "\n\n"Compiling individual target analysis info into $@. |
| cat $? | tee -a $@ |
| |
| # Prevent automatic deletion of intermediate files |
| .SECONDARY: $(prepend $(foreach target, $(TARGETS), $(BUILD_BASE)/$(target)/$(shell grep ^target $(BUILD_BASE)/$(target)/Config.lb | grep -Eo [[:alnum:]_-]+$$)), /analysis, /analysis/c_files, /analysis/h_files, /analysis/info, /Makefile) |
| |
| # FIXME: This rule is necessary even if the Makefile already exists. |
| %/Makefile: |
| @ echo \*\*\* Building target: $(notdir $*) \*\*\* |
| -@ cd $(TOP)/targets && ./buildtarget $(dir $*) 1>>build.log 2>>builderrors.log |
| @ echo -e >> $*/$(IMAGE_DIR)/Makefile "depend:\n\t"'@ makedepend -v -f- -- $$(CPPFLAGS) -- $$(SOURCES)' |
| |
| %/analysis/c_files: %/Makefile |
| @ echo Analysis directory is $*/analysis |
| -@ mkdir $*/analysis $(IGNORE_ERRORS) |
| @ echo -n Finding C source files... |
| @ grep -Eo \\$$+[\(][A-Z_]+[\)][/-_[:alnum:]]+'\.c\>' $*/$(IMAGE_DIR)/Makefile | grep -v $(IGNORE_C) | sort -u > $@ |
| @ echo " "Done. |
| |
| # Grep for .c files #included within others (only one level deep). |
| # sed commands provide full pathname for included .c files, assuming two things: |
| # 1. If include statement has no directory component, the file is in same dir. |
| # 2. If included file has a directory component, it's base is from $(TOP)/src/. |
| %/analysis/nested_c_files: %/analysis/c_files |
| @ echo -n Finding nested .c includes... |
| $(eval c_files := $(shell cat $<)) |
| @ grep -Eo '\#'include[[:space:]\"]+[/-_[:alnum:]]+'\.c' $(c_files) | sed s/\#include[[:space:]]// > $@.tmp |
| @ sed -r s/\([/-_[:alnum:]]+\\/\)\([-_[:alnum:]]+'.c'\):\"\([-_[:alnum:]]+'.c'$$\)/\\1\\2:' '\\1\\3/ $@.tmp | \ |
| sed -r s/\([/-_[:alnum:]]+\\/\)\([-_[:alnum:]]+'.c'\):\"\([/-_[:alnum:]]+'.c'$$\)/\\1\\2:' '\$$\(TOP\)\\/src\\/\\3/ > $@ |
| @ rm $@.tmp |
| @ echo " "Done. |
| |
| %/analysis/h_files: %/analysis/c_files %/analysis/nested_c_files |
| @ echo -n Finding all included headers... |
| $(call load_var,TARGET_DIR, $*/Makefile.settings) |
| @ $(MAKE) -C $(TARGET_DIR)/$(IMAGE_DIR) depend $(IGNORE_ERRORS) | grep -v makedepend | grep -Eo [/-_[:alnum:]]+'\.h' | sort -u > $@ && \ |
| $(MAKE) -C $(TARGET_DIR)/$(IMAGE_DIR) "SOURCES := $(shell grep [/-_[:alnum:]]+'.c' $(word 2, $?))" depend $(IGNORE_ERRORS) | grep -v makedepend | grep -Eo [/-_[:alnum:]]+'\.h' | sort -u >> $@ |
| @ echo " "Done. |
| |
| #%/auto.inc: |
| |
| # Determine which sources use romcc by their inclusion in auto.inc #FIXME better |
| %/analysis/romcc_files: %/analysis/c_files %/analysis/nested_c_files |
| $(call load_var,TARGET_DIR, $*/Makefile.settings) |
| @ $(if $(findstring cache_as_ram, $(shell cat $<)), \ |
| echo none, \ |
| echo -n \* Uses romcc - making auto.inc... && \ |
| $(MAKE) -iC $(TARGET_DIR)/$(IMAGE_DIR) auto.inc $(IGNORE_ERRORS) 1>/dev/null && \ |
| echo " "to find sources that use romcc. && \ |
| grep -Eo [/-_[:alnum:]]+'\.c' $(TARGET_DIR)/$(IMAGE_DIR)/auto.inc | sort -u) \ |
| > $@ |
| |
| # Full pathnames of found files are gathered from nested_c_files and c_files. |
| %/analysis/romcc_sources: %/analysis/c_files %/analysis/nested_c_files %/analysis/romcc_files |
| @ echo -e $(foreach file, $(shell cat $(dir $@)/romcc_files), "\n"'$(firstword $(shell grep -Eho [/-_\$$\(\)[:alnum:]]+/'$(file)' $(dir $@)/nested_c_files $(dir $@)/c_files))') >$@ |
| |
| %/analysis/romcc_headers: %/analysis/romcc_sources |
| @ echo -n Finding headers used by any romcc source... |
| $(eval romcc_sources = $(shell cat $(dir $@)/romcc_sources)) |
| $(call load_var,TARGET_DIR, $*/Makefile.settings) |
| @ $(MAKE) -C $(TARGET_DIR)/$(IMAGE_DIR) "SOURCES := $(romcc_sources)" depend $(IGNORE_ERRORS) | grep -v makedepend | grep -Eo [/-_[:alnum:]]+'\.'h | sort -u > $@ |
| @ echo " "Done. |
| |
| $(BUILD_BASE)/%/analysis/info: $(BUILD_BASE)/%/analysis/h_files $(BUILD_BASE)/%/analysis/romcc_headers |
| @ echo -e Target: $(subst /, , $(dir $*)) \ |
| "\n"Uses $(if $(findstring cache_as_ram, $(shell grep -F '.c' $(dir $@)/c_files)),CAR,romcc) \ |
| "\n"C files: $(shell grep -Eo [-_[:alnum:]]+'\.c' $(dir $@)/c_files $(dir $@)/nested_c_files $(dir $@)/romcc_sources | sort -u | grep -Fc '.c') \ |
| "\n"Nested C: $(shell grep -Eo [-_[:alnum:]]+'\.c' $(dir $@)/nested_c_files | sort -u | grep -Fc '.c') \ |
| "\n"Headers: $(shell grep -Eo [-_[:alnum:]]+'\.h' $(dir $@)/h_files $(dir $@)/romcc_headers | sort -u | grep -Fc '.h') \ |
| "\n"romcc C: $(shell grep -Ec [-_[:alnum:]]+'\.c' $(dir $@)/romcc_sources) \ |
| "\n"romcc H: $(shell grep -Ec [-_[:alnum:]]+'\.h' $(dir $@)/romcc_headers) \ |
| "\n">> $@ |
| |
| clean-builds: |
| rm -rf $(foreach target, $(TARGETS), $(BUILD_BASE)/$(target)/$(shell grep ^target $(BUILD_BASE)/$(target)/Config.lb | grep -Eo [[:alnum:]_-]+[[:space:]]?$$)) |
| |
| clean: |
| rm -rf $(foreach target, $(TARGETS), $(BUILD_BASE)/$(target)/$(shell grep ^target $(BUILD_BASE)/$(target)/Config.lb | grep -Eo [[:alnum:]_-]+[[:space:]]?$$)/analysis) analysis.txt analysis.dat |