1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
|
##
## This file is part of the coreinfo project.
##
## Copyright (C) 2008 Advanced Micro Devices, Inc.
## Copyright (C) 2008 Uwe Hermann <uwe@hermann-uwe.de>
##
## 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.
##
src := $(CURDIR)
srctree := $(src)
srck := $(src)/../../util/kconfig
coreinfo_obj := $(src)/build
objk := $(src)/build/util/kconfig
export KERNELVERSION := 0.1.0
export KCONFIG_AUTOHEADER := $(coreinfo_obj)/config.h
export KCONFIG_AUTOCONFIG := $(coreinfo_obj)/auto.conf
export KCONFIG_DEPENDENCIES := $(coreinfo_obj)/auto.conf.cmd
export KCONFIG_SPLITCONFIG := $(coreinfo_obj)/config
export KCONFIG_TRISTATE := $(coreinfo_obj)/tristate.conf
export KCONFIG_NEGATIVES := 1
export Kconfig := Kconfig
export V := $(V)
CONFIG_SHELL := sh
KBUILD_DEFCONFIG := configs/defconfig
UNAME_RELEASE := $(shell uname -r)
HAVE_DOTCONFIG := $(wildcard .config)
MAKEFLAGS += -rR --no-print-directory
# Make is silent per default, but 'make V=1' will show all compiler calls.
ifneq ($(V),1)
.SILENT:
endif
HOSTCC ?= gcc
HOSTCXX ?= g++
HOSTCFLAGS := -I$(srck) -I$(objk)
HOSTCXXFLAGS := -I$(srck) -I$(objk)
LIBCONFIG_PATH := ../libpayload
LIBPAYLOAD_DIR := $(coreinfo_obj)/libpayload
HAVE_LIBPAYLOAD := $(wildcard $(LIBPAYLOAD_DIR)/lib/libpayload.a)
LIB_CONFIG ?= defconfig
OBJCOPY ?= objcopy
INCLUDES = -I$(coreinfo_obj) -include $(LIBPAYLOAD_DIR)/include/kconfig.h
OBJECTS = cpuinfo_module.o cpuid.S.o pci_module.o coreboot_module.o \
nvram_module.o bootlog_module.o ramdump_module.o \
multiboot_module.o cbfs_module.o coreinfo.o
OBJS = $(patsubst %,$(coreinfo_obj)/%,$(OBJECTS))
TARGET = $(coreinfo_obj)/coreinfo.elf
all: real-all
# in addition to the dependency below, create the file if it doesn't exist
# to silence warnings about a file that would be generated anyway.
$(if $(wildcard .xcompile),,$(eval $(shell ../../util/xcompile/xcompile $(XGCCPATH) > .xcompile || rm -f .xcompile)))
.xcompile: ../../util/xcompile/xcompile
$< $(XGCCPATH) > $@.tmp
\mv -f $@.tmp $@ 2> /dev/null || rm -f $@.tmp $@
CONFIG_COMPILER_GCC := y
ARCH-y := x86_32
include .xcompile
CC := $(CC_$(ARCH-y))
AS := $(AS_$(ARCH-y))
OBJCOPY := $(OBJCOPY_$(ARCH-y))
LPCC := CC="$(CC)" $(LIBPAYLOAD_DIR)/bin/lpgcc
LPAS := AS="$(AS)" $(LIBPAYLOAD_DIR)/bin/lpas
CFLAGS += -Wall -Werror -Os -fno-builtin $(CFLAGS_$(ARCH-y)) $(INCLUDES)
ifneq ($(strip $(HAVE_DOTCONFIG)),)
include $(src)/.config
real-all: $(TARGET)
$(TARGET): $(src)/.config $(coreinfo_obj)/config.h $(OBJS) libpayload
printf " LPCC $(subst $(CURDIR)/,,$(@)) (LINK)\n"
$(LPCC) -o $@ $(OBJS)
$(OBJCOPY) --only-keep-debug $@ $(TARGET).debug
$(OBJCOPY) --strip-debug $@
$(OBJCOPY) --add-gnu-debuglink=$(TARGET).debug $@
$(coreinfo_obj)/%.S.o: $(src)/%.S libpayload
printf " LPAS $(subst $(CURDIR)/,,$(@))\n"
$(LPAS) -o $@ $<
$(coreinfo_obj)/%.o: $(src)/%.c libpayload
printf " LPCC $(subst $(CURDIR)/,,$(@))\n"
$(LPCC) $(CFLAGS) -c -o $@ $<
else
real-all: config
endif
defaultbuild:
$(MAKE) olddefconfig
$(MAKE) all
ifneq ($(strip $(HAVE_LIBPAYLOAD)),)
libpayload:
printf "Found Libpayload $(LIBPAYLOAD_DIR).\n"
else
libpayload:
printf "Building libpayload @ $(LIBCONFIG_PATH).\n"
$(MAKE) -C $(LIBCONFIG_PATH) distclean coreinfo_obj=$(coreinfo_obj)/libptmp
$(MAKE) -C $(LIBCONFIG_PATH) $(LIB_CONFIG)
$(MAKE) -C $(LIBCONFIG_PATH) install DESTDIR=$(coreinfo_obj)
endif
$(coreinfo_obj)/config.h:
$(MAKE) oldconfig
$(shell mkdir -p $(coreinfo_obj) $(objk)/lxdialog $(KCONFIG_SPLITCONFIG))
clean:
rm -rf build/*.elf build/*.o .xcompile
distclean: clean
rm -rf build
rm -f .config .config.old ..config.tmp .kconfig.d .tmpconfig*
include $(srck)/Makefile
.PHONY: $(PHONY) prepare clean distclean
|
