119 lines
3.4 KiB
Makefile
119 lines
3.4 KiB
Makefile
##
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## This file is part of the coreinfo project.
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##
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## Copyright (C) 2008 Advanced Micro Devices, Inc.
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## Copyright (C) 2008 Uwe Hermann <uwe@hermann-uwe.de>
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##
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## This program is free software; you can redistribute it and/or modify
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## it under the terms of the GNU General Public License as published by
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## the Free Software Foundation; version 2 of the License.
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##
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## This program is distributed in the hope that it will be useful,
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## but WITHOUT ANY WARRANTY; without even the implied warranty of
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## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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## GNU General Public License for more details.
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##
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## You should have received a copy of the GNU General Public License
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## along with this program; if not, write to the Free Software
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## Foundation, Inc.
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##
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src := $(shell pwd)
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srctree := $(src)
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srck := $(src)/../../util/kconfig
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obj := $(src)/build
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objk := $(src)/build/util/kconfig
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export KERNELVERSION := 0.1.0
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export KCONFIG_AUTOHEADER := $(obj)/config.h
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export KCONFIG_AUTOCONFIG := $(obj)/auto.conf
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export KCONFIG_DEPENDENCIES := $(obj)/auto.conf.cmd
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export KCONFIG_SPLITCONFIG := $(obj)/config
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export KCONFIG_TRISTATE := $(obj)/tristate.conf
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export KCONFIG_NEGATIVES := 1
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export Kconfig := Kconfig
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export V := $(V)
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CONFIG_SHELL := sh
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KBUILD_DEFCONFIG := configs/defconfig
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UNAME_RELEASE := $(shell uname -r)
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HAVE_DOTCONFIG := $(wildcard .config)
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MAKEFLAGS += -rR --no-print-directory
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# Make is silent per default, but 'make V=1' will show all compiler calls.
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ifneq ($(V),1)
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.SILENT:
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endif
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HOSTCC ?= gcc
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HOSTCXX ?= g++
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HOSTCFLAGS := -I$(srck) -I$(objk)
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HOSTCXXFLAGS := -I$(srck) -I$(objk)
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LIBCONFIG_PATH := ../libpayload
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LIBPAYLOAD_DIR := build/libpayload
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LPCC := $(LIBPAYLOAD_DIR)/libpayload/bin/lpgcc
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LPAS := $(LIBPAYLOAD_DIR)/libpayload/bin/lpas
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HAVE_LIBPAYLOAD := $(wildcard $(LIBPAYLOAD_DIR)/libpayload/lib/libpayload.a)
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LIB_CONFIG ?= defconfig
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OBJCOPY ?= objcopy
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INCLUDES = -I$(obj) -include $(LIBPAYLOAD_DIR)/libpayload/include/kconfig.h
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CFLAGS := -Wall -Werror -Os -fno-builtin $(INCLUDES)
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OBJECTS = cpuinfo_module.o cpuid.S.o pci_module.o coreboot_module.o \
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nvram_module.o bootlog_module.o ramdump_module.o lar_module.o \
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multiboot_module.o cbfs_module.o coreinfo.o
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OBJS = $(patsubst %,$(obj)/%,$(OBJECTS))
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TARGET = $(obj)/coreinfo.elf
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ifneq ($(strip $(HAVE_DOTCONFIG)),)
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include $(src)/.config
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all: $(TARGET)
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$(TARGET): $(src)/.config $(obj)/config.h $(OBJS) libpayload
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printf " LPCC $(subst $(shell pwd)/,,$(@)) (LINK)\n"
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$(LPCC) -o $@ $(OBJS)
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$(OBJCOPY) --only-keep-debug $@ $(TARGET).debug
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$(OBJCOPY) --strip-debug $@
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$(OBJCOPY) --add-gnu-debuglink=$(TARGET).debug $@
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$(obj)/%.S.o: $(src)/%.S libpayload
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printf " LPAS $(subst $(shell pwd)/,,$(@))\n"
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$(LPAS) -o $@ $<
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$(obj)/%.o: $(src)/%.c libpayload
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printf " LPCC $(subst $(shell pwd)/,,$(@))\n"
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$(LPCC) $(CFLAGS) -c -o $@ $<
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else
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all: config
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endif
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ifneq ($(strip $(HAVE_LIBPAYLOAD)),)
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libpayload:
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printf "Found Libpayload $(LIBPAYLOAD_DIR).\n"
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else
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libpayload:
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printf "Building libpayload @ $(LIBCONFIG_PATH).\n"
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make -C $(LIBCONFIG_PATH) distclean
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make -C $(LIBCONFIG_PATH) $(LIB_CONFIG)
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make -C $(LIBCONFIG_PATH) DESTDIR=$(shell pwd)/$(LIBPAYLOAD_DIR) install
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endif
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$(obj)/config.h:
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$(MAKE) oldconfig
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$(shell mkdir -p $(obj) $(objk)/lxdialog $(KCONFIG_SPLITCONFIG))
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clean:
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rm -rf build/*.elf build/*.o
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distclean: clean
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rm -rf build
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rm -f .config .config.old ..config.tmp .kconfig.d .tmpconfig*
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include $(srck)/Makefile
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.PHONY: $(PHONY) prepare clean distclean
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