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##
## This file is part of the coreboot project.
##
## Copyright (C) 2011 secunet Security Networks AG
##
## This program is free software; you can redistribute it and/or modify
## it under the terms of the GNU General Public License as published by
## the Free Software Foundation; version 2 of the License.
##
## This program is distributed in the hope that it will be useful,
## but WITHOUT ANY WARRANTY; without even the implied warranty of
## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
## GNU General Public License for more details.
##
## You should have received a copy of the GNU General Public License
## along with this program; if not, write to the Free Software
## Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
##
#######################################################################
# misleadingly named, this is the coreboot version
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REV =- r $ ( shell if [ - d $ ( top ) /. git - a - f " `which git` " ]; then git -- git - dir =/ $ ( top ) /. git show - s -- pretty = format :% h ; fi )
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export KERNELVERSION := 4.0 $ ( REV )
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#######################################################################
# Basic component discovery
ARCHDIR - $ ( CONFIG_ARCH_X86 ) := x86
MAINBOARDDIR = $ ( call strip_quotes , $ ( CONFIG_MAINBOARD_DIR ))
export MAINBOARDDIR
#######################################################################
# root rule to resolve if in build mode (ie. configuration exists)
real - target : $ ( obj ) / config . h coreboot
coreboot : $ ( obj ) / coreboot . rom
#######################################################################
# our phony targets
PHONY += clean - abuild coreboot
#######################################################################
# root source directories of coreboot
subdirs - y := src / lib src / boot src / console src / devices src / ec src / southbridge src / northbridge src / superio src / drivers src / cpu
subdirs - y += util / cbfstool util / sconfig
subdirs - y += src / arch / $ ( ARCHDIR - y )
subdirs - y += src / mainboard / $ ( MAINBOARDDIR )
subdirs - $ ( CONFIG_ARCH_X86 ) += src / pc80
#######################################################################
# Add source classes and their build options
classes - y := ramstage romstage driver smm
romstage - c - ccopts :=- D__PRE_RAM__
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romstage - S - ccopts :=- D__PRE_RAM__
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smm - c - ccopts :=- D__SMM__
smm - S - ccopts :=- D__SMM__
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ramstage - c - deps := $ $ ( OPTION_TABLE_H )
romstage - c - deps := $ $ ( OPTION_TABLE_H )
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#######################################################################
# Add handler to compile ACPI's ASL
define ramstage - objs_asl_template
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$ ( obj ) / $ ( 1 ) . ramstage . o : src / $ ( 1 ) . asl $ ( obj ) / config . h
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@ printf " IASL $ $ (subst $ (top)/,, $ $ (@)) \n "
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$ ( CC ) - x assembler - with - cpp - E - MMD - MT $ $ ( @ ) - D__ACPI__ - P - include $ ( abspath $ ( obj ) / config . h ) - I $ ( src ) - I $ ( src ) / mainboard / $ ( MAINBOARDDIR ) $ $ < - o $ $ ( basename $ $ @ ) . asl
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cd $ $ ( dir $ $ @ ); iasl - p $ $ ( notdir $ $ @ ) - tc $ $ ( notdir $ $ ( basename $ $ @ )) . asl
mv $ $ ( basename $ $ @ ) . hex $ $ ( basename $ $ @ ) . c
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$ ( CC ) $ $ ( CFLAGS ) $ $ ( if $ $ ( subst dsdt ,, $ $ ( basename $ $ ( notdir $ ( 1 )))), - DAmlCode = AmlCode_ $ $ ( basename $ $ ( notdir $ ( 1 )))) - c - o $ $ @ $ $ ( basename $ $ @ ) . c
# keep %.o: %.c rule from catching the temporary .c file after a make clean
mv $ $ ( basename $ $ @ ) . c $ $ ( basename $ $ @ ) . hex
endef
#######################################################################
# Add handler for arbitrary files in CBFS
$ ( call add - special - class , cbfs - files )
cbfs - files - handler = \
$ ( if $ ( wildcard $ ( 1 ) $ ( $ ( 2 ) - file )), \
$ ( eval tmp - cbfs - file := $ ( wildcard $ ( 1 ) $ ( $ ( 2 ) - file ))), \
$ ( eval tmp - cbfs - file := $ ( $ ( 2 ) - file ))) \
$ ( eval cbfs - files += $ ( tmp - cbfs - file ) | $ ( 2 ) | $ ( $ ( 2 ) - type ) | $ ( $ ( 2 ) - position )) \
$ ( eval $ ( 2 ) - name := ) \
$ ( eval $ ( 2 ) - type := ) \
$ ( eval $ ( 2 ) - position := )
#######################################################################
# a variety of flags for our build
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CBFS_COMPRESS_FLAG :=
ifeq ( $ ( CONFIG_COMPRESS_RAMSTAGE ), y )
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CBFS_COMPRESS_FLAG := l
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endif
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CBFS_PAYLOAD_COMPRESS_FLAG :=
CBFS_PAYLOAD_COMPRESS_NAME := none
ifeq ( $ ( CONFIG_COMPRESSED_PAYLOAD_LZMA ), y )
CBFS_PAYLOAD_COMPRESS_FLAG := l
CBFS_PAYLOAD_COMPRESS_NAME := LZMA
endif
ifneq ( $ ( CONFIG_LOCALVERSION ), " " )
COREBOOT_EXTRA_VERSION := - $ ( call strip_quotes , $ ( CONFIG_LOCALVERSION ))
endif
INCLUDES := - Isrc - Isrc / include - I $ ( obj ) - Isrc / arch / $ ( ARCHDIR - y ) / include
INCLUDES += - Isrc / devices / oprom / include
# abspath is a workaround for romcc
INCLUDES += - include $ ( abspath $ ( obj ) / config . h )
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CFLAGS = $ ( INCLUDES ) - Os - pipe - g - nostdinc
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CFLAGS += - nostdlib - Wall - Wundef - Wstrict - prototypes - Wmissing - prototypes
CFLAGS += - Wwrite - strings - Wredundant - decls - Wno - trigraphs
CFLAGS += - Wstrict - aliasing - Wshadow
ifeq ( $ ( CONFIG_WARNINGS_ARE_ERRORS ), y )
CFLAGS += - Werror
endif
CFLAGS += - fno - common - ffreestanding - fno - builtin - fomit - frame - pointer
additional - dirs := $ ( objutil ) / cbfstool $ ( objutil ) / romcc $ ( objutil ) / options
#######################################################################
# generate build support files
$ ( obj ) / build . h : . xcompile
@ printf " GEN build.h \n "
rm - f $ ( obj ) / build . h
printf " /* build system definitions (autogenerated) */ \n " > $ ( obj ) / build . ht
printf " #ifndef __BUILD_H \n " >> $ ( obj ) / build . ht
printf " #define __BUILD_H \n \n " >> $ ( obj ) / build . ht
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printf " #define COREBOOT_VERSION \" $ (KERNELVERSION) \" \n " >> $ ( obj ) / build . ht
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printf " #define COREBOOT_EXTRA_VERSION \" $ (COREBOOT_EXTRA_VERSION) \" \n " >> $ ( obj ) / build . ht
printf " #define COREBOOT_BUILD \" `LANG= date` \" \n " >> $ ( obj ) / build . ht
printf " \n " >> $ ( obj ) / build . ht
printf " #define COREBOOT_COMPILER \" $ (shell LANG= $ (CC) --version | head -n1) \" \n " >> $ ( obj ) / build . ht
printf " #define COREBOOT_ASSEMBLER \" $ (shell LANG= $ (AS) --version | head -n1) \" \n " >> $ ( obj ) / build . ht
printf " #define COREBOOT_LINKER \" $ (shell LANG= $ (LD) --version | head -n1) \" \n " >> $ ( obj ) / build . ht
printf " #define COREBOOT_COMPILE_TIME \" `LANG= date +%T` \" \n " >> $ ( obj ) / build . ht
printf " #define COREBOOT_COMPILE_BY \" $ (subst \ ,@, $ (shell PATH= $ $PATH :/usr/ucb whoami)) \" \n " >> $ ( obj ) / build . ht
printf " #define COREBOOT_COMPILE_HOST \" $ (shell hostname -s 2>/dev/null) \" \n " >> $ ( obj ) / build . ht
printf " #define COREBOOT_COMPILE_DOMAIN \" $ (shell test `uname -s` = " Linux " && dnsdomainname || domainname 2>/dev/null) \" \n " >> $ ( obj ) / build . ht
printf " #endif \n " >> $ ( obj ) / build . ht
mv $ ( obj ) / build . ht $ ( obj ) / build . h
$ ( obj ) / ldoptions : $ ( obj ) / config . h
awk '/^#define ([^"])* ([^"])*$$/ {gsub("\\r","",$$3); print $$2 " = " $$3 ";";}' $ < > $ @
#######################################################################
# Build the tools
CBFSTOOL := $ ( obj ) / cbfstool
$ ( CBFSTOOL ) : $ ( objutil ) / cbfstool / cbfstool
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
ROMCC := $ ( objutil ) / romcc / romcc
$ ( ROMCC ) : $ ( top ) / util / romcc / romcc . c
@ printf " HOSTCC $ (subst $ (obj)/,, $ (@)) (this may take a while) \n "
@ # Note: Adding -O2 here might cause problems. For details see:
@ # http://www.coreboot.org/pipermail/coreboot/2010-February/055825.html
$ ( HOSTCC ) - g $ ( STACK ) - Wall - o $ @ $ <
#######################################################################
# needed objects that every mainboard uses
# Creation of these is architecture and mainboard independent
$ ( obj ) / mainboard / $ ( MAINBOARDDIR ) / static . c : $ ( src ) / mainboard / $ ( MAINBOARDDIR ) / devicetree . cb $ ( objutil ) / sconfig / sconfig
@ printf " SCONFIG $ (subst $ (src)/,, $ (<)) \n "
mkdir - p $ ( obj ) / mainboard / $ ( MAINBOARDDIR )
$ ( objutil ) / sconfig / sconfig $ ( MAINBOARDDIR ) $ ( obj ) / mainboard / $ ( MAINBOARDDIR )
ramstage - y += $ ( obj ) / mainboard / $ ( MAINBOARDDIR ) / static . c
$ ( objutil ) /%. o : $ ( objutil ) /%. c
@ printf " HOSTCC $ (subst $ (objutil)/,, $ (@)) \n "
$ ( HOSTCC ) - MMD - I $ ( subst $ ( objutil ) / , util / , $ ( dir $ < )) - I $ ( dir $ < ) $ ( HOSTCFLAGS ) - c - o $ @ $ <
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$ ( obj ) /%. ramstage . o $ ( abspath $ ( obj )) /%. ramstage . o : $ ( obj ) /%. c $ ( obj ) / config . h $ ( OPTION_TABLE_H )
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@ printf " CC $ (subst $ (obj)/,, $ (@)) \n "
$ ( CC ) - MMD $ ( CFLAGS ) - c - o $ @ $ <
#######################################################################
# Clean up rules
clean - abuild :
rm - rf coreboot - builds
clean - for - update - target :
rm - f $ ( obj ) / coreboot_ram * $ ( obj ) / coreboot . romstage $ ( obj ) / coreboot . pre * $ ( obj ) / coreboot . bootblock $ ( obj ) / coreboot . a
rm - rf $ ( obj ) / bootblock * $ ( obj ) / romstage * $ ( obj ) / location .*
rm - f $ ( obj ) / option_table .* $ ( obj ) / crt0 . S $ ( obj ) / ldscript
rm - f $ ( obj ) / mainboard / $ ( MAINBOARDDIR ) / static . c $ ( obj ) / mainboard / $ ( MAINBOARDDIR ) / config . py $ ( obj ) / mainboard / $ ( MAINBOARDDIR ) / static . dot
rm - f $ ( obj ) / mainboard / $ ( MAINBOARDDIR ) / crt0 . s $ ( obj ) / mainboard / $ ( MAINBOARDDIR ) / crt0 . disasm
rm - f $ ( obj ) / mainboard / $ ( MAINBOARDDIR ) / romstage . inc
rm - f $ ( obj ) / mainboard / $ ( MAINBOARDDIR ) / bootblock .* $ ( obj ) / mainboard / $ ( MAINBOARDDIR ) / dsdt .*
rm - f $ ( obj ) / cpu / x86 / smm / smm_bin . c $ ( obj ) / cpu / x86 / smm / smm .* $ ( obj ) / cpu / x86 / smm / smm
$ ( MAKE ) - C payloads / external / SeaBIOS - f Makefile . inc clean
clean - target :
rm - f $ ( obj ) / coreboot *
#######################################################################
# Development utilities
printcrt0s :
@ echo crt0s = $ ( crt0s )
@ echo ldscripts = $ ( ldscripts )
update :
dongle . py - c / dev / term / 1 $ ( obj ) / coreboot . rom EOF
lint :
FAILED = 0 ; LINTLOG = `mktemp` ; \
for script in util / lint / lint -* ; do \
echo ; echo `basename $$script` ; \
grep " ^# DESCR: " $$script | sed " s,.*DESCR: *,, " ; \
echo ======== ; \
$$script > $$LINTLOG ; \
if [ `wc -l $$LINTLOG | cut -d' ' -f1` - eq 0 ]; then \
printf " success \n \n " ; \
else \
echo test failed : ; \
cat $$LINTLOG ; \
rm - f $$LINTLOG ; \
FAILED = $ $ (( $$FAILED + 1 )); \
fi ; \
echo ======== ; \
done ; \
test $$FAILED - eq 0 || { echo " ERROR: $ $FAILED test(s) failed. " && exit 1 ; }; \
rm - f $$LINTLOG
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gitconfig :
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if ! [ - x . git / hooks / commit - msg ]; then cp util / gitconfig / commit - msg . git / hooks / commit - msg ; chmod + x . git / hooks / commit - msg ; fi
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( git config -- global user . name >/ dev / null && git config -- global user . email >/ dev / null ) || ( printf 'Please configure your name and email in git:\n\n git config --global user.name "Your Name Comes Here"\n git config --global user.email your.email@example.com\n' ; exit 1 )
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crossgcc : clean - for - update
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$ ( MAKE ) - C util / crossgcc build - without - gdb
crosstools : clean - for - update
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$ ( MAKE ) - C util / crossgcc build
crossgcc - clean : clean - for - update
$ ( MAKE ) - C util / crossgcc clean