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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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export KERNELVERSION := $ ( shell if [ - d " $ (top)/.git " - a - f " `which git` " ]; then git describe -- dirty 2 >/ dev / null || git describe ; else echo unknown ; fi )
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#######################################################################
# Basic component discovery
ARCHDIR - $ ( CONFIG_ARCH_X86 ) := x86
MAINBOARDDIR = $ ( call strip_quotes , $ ( CONFIG_MAINBOARD_DIR ))
export MAINBOARDDIR
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## 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
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export objcbfs := $ ( obj ) / cbfs / $ ( call strip_quotes , $ ( CONFIG_CBFS_PREFIX ))
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## 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)
export objgenerated := $ ( obj ) / generated
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#######################################################################
# root rule to resolve if in build mode (ie. configuration exists)
real - target : $ ( obj ) / config . h coreboot
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coreboot : build - dirs $ ( obj ) / coreboot . rom
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#######################################################################
# our phony targets
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PHONY += clean - abuild coreboot lint lint - stable build - dirs
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#######################################################################
# root source directories of coreboot
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subdirs - y := src / lib src / boot src / console src / devices src / ec src / southbridge
subdirs - y += src / northbridge src / superio src / drivers src / cpu src / vendorcode
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subdirs - y += util / cbfstool util / sconfig util / nvramtool
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subdirs - y += src / arch / $ ( ARCHDIR - y )
subdirs - y += src / mainboard / $ ( MAINBOARDDIR )
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subdirs - y += site - local
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#######################################################################
# Add source classes and their build options
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classes - y := ramstage romstage driver smm cpu_microcode
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romstage - c - ccopts :=- D__PRE_RAM__
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romstage - S - ccopts :=- D__PRE_RAM__
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ifeq ( $ ( CONFIG_TRACE ), y )
ramstage - c - ccopts := - finstrument - functions
endif
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ifeq ( $ ( CONFIG_USE_BLOBS ), y )
forgetthis := $ ( shell git submodule update -- init -- checkout 3 rdparty )
else
ifeq ( $ ( CONFIG_REQUIRES_BLOB ), y )
$ ( error Your current configuration requires binary - only components , but you did not choose to use them )
endif
endif
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smm - c - ccopts :=- D__SMM__
smm - S - ccopts :=- D__SMM__
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# SMM TSEG base is dynamic
ifeq ( $ ( CONFIG_SMM_TSEG ), y )
smm - c - ccopts += - fpic
endif
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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 $ ( src ) / include / kconfig . h - I $ ( obj ) - I $ ( src ) - I $ ( src ) / include - I $ ( src ) / arch / $ ( ARCHDIR - y ) / include - I $ ( src ) / mainboard / $ ( MAINBOARDDIR ) $ $ < - o $ $ ( basename $ $ @ ) . asl
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cd $ $ ( dir $ $ @ ); $ ( IASL ) - p $ $ ( notdir $ $ @ ) - tc $ $ ( notdir $ $ ( basename $ $ @ )) . asl
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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
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#######################################################################
# Parse plaintext cmos defaults into binary format
# arg1: source file
# arg2: binary file name
cbfs - files - processor - nvramtool = \
$ ( eval $ ( 2 ) : $ ( 1 ) $ ( src ) / mainboard / $ ( MAINBOARDDIR ) / cmos . layout | $ ( objutil ) / nvramtool / nvramtool ; \
printf " CREATE $ (2) (from $ (1)) \n " ; $ ( objutil ) / nvramtool / nvramtool - y $ ( src ) / mainboard / $ ( MAINBOARDDIR ) / cmos . layout - D $ ( 2 ) . tmp - p $ ( 1 ) && mv $ ( 2 ) . tmp $ ( 2 ))
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#######################################################################
# Link VSA binary to ELF-ish stage
# arg1: source file
# arg2: binary file name
cbfs - files - processor - vsa = \
$ ( eval $ ( 2 ) : $ ( 1 ) ; \
printf " CREATE $ (2) (from $ (1)) \n " ; $ ( OBJCOPY ) -- set - start 0x20 -- adjust - vma 0x60000 - I binary - O elf32 - i386 - B i386 $ ( 1 ) $ ( 2 ) . tmp && $ ( LD ) - m elf_i386 - e 0x60020 -- section - start . data = 0x60000 $ ( 2 ) . tmp - o $ ( 2 ))
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#######################################################################
# Add handler for arbitrary files in CBFS
$ ( call add - special - class , cbfs - files )
cbfs - files - handler = \
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$ ( eval tmp - cbfs - method := $ ( word 2 , $ ( subst : , , $ ( $ ( 2 ) - file )))) \
$ ( eval $ ( 2 ) - file := $ ( word 1 , $ ( subst : , , $ ( $ ( 2 ) - file )))) \
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$ ( if $ ( wildcard $ ( 1 ) $ ( $ ( 2 ) - file )), \
$ ( eval tmp - cbfs - file := $ ( wildcard $ ( 1 ) $ ( $ ( 2 ) - file ))), \
$ ( eval tmp - cbfs - file := $ ( $ ( 2 ) - file ))) \
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$ ( if $ ( tmp - cbfs - method ), \
$ ( eval tmp - old - cbfs - file := $ ( tmp - cbfs - file )) \
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$ ( eval tmp - cbfs - file := $ ( shell mkdir - p $ ( obj ) / mainboard / $ ( MAINBOARDDIR ); mktemp $ ( obj ) / mainboard / $ ( MAINBOARDDIR ) / cbfs - file . XXXXXX ) . out ) \
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$ ( call cbfs - files - processor - $ ( tmp - cbfs - method ), $ ( tmp - old - cbfs - file ), $ ( tmp - cbfs - file ))) \
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$ ( eval cbfs - files += $ ( tmp - cbfs - file ) | $ ( 2 ) | $ ( $ ( 2 ) - type ) | $ ( $ ( 2 ) - compression ) | $ ( $ ( 2 ) - position )) \
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$ ( eval $ ( 2 ) - name := ) \
$ ( eval $ ( 2 ) - type := ) \
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$ ( eval $ ( 2 ) - compression := ) \
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$ ( 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
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INCLUDES += - include $ ( src ) / include / kconfig . 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
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printf " #define COREBOOT_BUILD_YEAR `LANG= date + " %- y " ` \n " >> $ ( obj ) / build . ht
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printf " #define COREBOOT_BUILD_MONTH `LANG= date + " %- m " ` \n " >> $ ( obj ) / build . ht
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printf " #define COREBOOT_BUILD_DAY `LANG= date + " %- d " ` \n " >> $ ( obj ) / build . ht
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printf " #define COREBOOT_BUILD_WEEKDAY `LANG= date + " %- w " ` \n " >> $ ( obj ) / build . ht
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printf " #define COREBOOT_DMI_DATE \" `LANG= date + " % m /% d /% Y " ` \" \n " >> $ ( obj ) / build . ht
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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
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printf " #define COREBOOT_COMPILE_HOST \" $ (shell hostname -s 2>/dev/null || hostname 2>/dev/null) \" \n " >> $ ( obj ) / build . ht
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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 ";";}' $ < > $ @
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build - dirs :
mkdir - p $ ( objcbfs ) $ ( objgenerated )
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#######################################################################
# 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
Make the device tree available in the rom stage
We thought about two ways to do this change. The way we decided to try
was to
1. drop all ops from devices in romstage
2. constify all devices in romstage (make them read-only) so we can
compile static.c into romstage
3. the device tree "devices" can be used to read configuration from
the device tree (and nothing else, really)
4. the device tree devices are accessed through struct device * in
romstage only. device_t stays the typedef to int in romstage
5. Use the same static.c file in ramstage and romstage
We declare structs as follows:
ROMSTAGE_CONST struct bus dev_root_links[];
ROMSTAGE_CONST is const in romstage and empty in ramstage; This
forces all of the device tree into the text area.
So a struct looks like this:
static ROMSTAGE_CONST struct device _dev21 = {
#ifndef __PRE_RAM__
.ops = 0,
#endif
.bus = &_dev7_links[0],
.path = {.type=DEVICE_PATH_PCI,{.pci={ .devfn = PCI_DEVFN(0x1c,3)}}},
.enabled = 0,
.on_mainboard = 1,
.subsystem_vendor = 0x1ae0,
.subsystem_device = 0xc000,
.link_list = NULL,
.sibling = &_dev22,
#ifndef __PRE_RAM__
.chip_ops = &southbridge_intel_bd82x6x_ops,
#endif
.chip_info = &southbridge_intel_bd82x6x_info_10,
.next=&_dev22
};
Change-Id: I722454d8d3c40baf7df989f5a6891f6ba7db5727
Signed-off-by: Ronald G. Minnich <rminnich@chromium.org>
Signed-off-by: Stefan Reinauer <reinauer@google.com>
Reviewed-on: http://review.coreboot.org/1398
Tested-by: build bot (Jenkins)
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
2012-08-01 01:47:25 +02:00
romstage - y += $ ( obj ) / mainboard / $ ( MAINBOARDDIR ) / static . c
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$ ( 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 $ @ $ <
Make the device tree available in the rom stage
We thought about two ways to do this change. The way we decided to try
was to
1. drop all ops from devices in romstage
2. constify all devices in romstage (make them read-only) so we can
compile static.c into romstage
3. the device tree "devices" can be used to read configuration from
the device tree (and nothing else, really)
4. the device tree devices are accessed through struct device * in
romstage only. device_t stays the typedef to int in romstage
5. Use the same static.c file in ramstage and romstage
We declare structs as follows:
ROMSTAGE_CONST struct bus dev_root_links[];
ROMSTAGE_CONST is const in romstage and empty in ramstage; This
forces all of the device tree into the text area.
So a struct looks like this:
static ROMSTAGE_CONST struct device _dev21 = {
#ifndef __PRE_RAM__
.ops = 0,
#endif
.bus = &_dev7_links[0],
.path = {.type=DEVICE_PATH_PCI,{.pci={ .devfn = PCI_DEVFN(0x1c,3)}}},
.enabled = 0,
.on_mainboard = 1,
.subsystem_vendor = 0x1ae0,
.subsystem_device = 0xc000,
.link_list = NULL,
.sibling = &_dev22,
#ifndef __PRE_RAM__
.chip_ops = &southbridge_intel_bd82x6x_ops,
#endif
.chip_info = &southbridge_intel_bd82x6x_info_10,
.next=&_dev22
};
Change-Id: I722454d8d3c40baf7df989f5a6891f6ba7db5727
Signed-off-by: Ronald G. Minnich <rminnich@chromium.org>
Signed-off-by: Stefan Reinauer <reinauer@google.com>
Reviewed-on: http://review.coreboot.org/1398
Tested-by: build bot (Jenkins)
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
2012-08-01 01:47:25 +02:00
$ ( obj ) /%. romstage . o $ ( abspath $ ( obj )) /%. romstage . o : $ ( obj ) /%. c $ ( obj ) / config . h $ ( OPTION_TABLE_H )
@ printf " CC $ (subst $ (obj)/,, $ (@)) \n "
$ ( CC ) - MMD - D__PRE_RAM__ $ ( CFLAGS ) - c - o $ @ $ <
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#######################################################################
# 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
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$ ( MAKE ) - C payloads / external / SeaBIOS - f Makefile . inc clean OUT = $ ( abspath $ ( obj )) HOSTCC = " $ (HOSTCC) " CC = " $ (CC) " LD = " $ (LD) "
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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
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lint lint - stable :
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FAILED = 0 ; LINTLOG = `mktemp .tmpconfig.lintXXXXX` ; \
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for script in util / lint / $ @-* ; do \
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echo ; echo `basename $$script` ; \
grep " ^# DESCR: " $$script | sed " s,.*DESCR: *,, " ; \
echo ======== ; \
$$script > $$LINTLOG ; \
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if [ `cat $$LINTLOG | wc -l` - eq 0 ]; then \
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printf " success \n \n " ; \
else \
echo test failed : ; \
cat $$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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mkdir - p . git / hooks
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for hook in commit - msg pre - commit ; do \
if [ util / gitconfig / $$hook - nt . git / hooks / $$hook - o \
! - x . git / hooks / $$hook ]; then \
cp util / gitconfig / $$hook . git / hooks / $$hook ; \
chmod + x . git / hooks / $$hook ; \
fi ; \
done
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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
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tools : $ ( objutil ) / kconfig / conf $ ( objutil ) / cbfstool / cbfstool $ ( objutil ) / nvramtool / nvramtool $ ( objutil ) / romcc / romcc $ ( objutil ) / sconfig / sconfig