148 lines
4.4 KiB
Makefile
148 lines
4.4 KiB
Makefile
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##
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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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src := $(CURDIR)
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srctree := $(src)
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srck := $(src)/../../util/kconfig
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coreinfo_obj := $(src)/build
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objk := $(src)/build/util/kconfig
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ifeq ($(filter %clean,$(MAKECMDGOALS)),)
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export KERNELVERSION := 0.1.0
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export KCONFIG_AUTOHEADER := $(coreinfo_obj)/config.h
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export KCONFIG_AUTOCONFIG := $(coreinfo_obj)/auto.conf
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export KCONFIG_DEPENDENCIES := $(coreinfo_obj)/auto.conf.cmd
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export KCONFIG_SPLITCONFIG := $(coreinfo_obj)/config
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export KCONFIG_TRISTATE := $(coreinfo_obj)/tristate.conf
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export KCONFIG_CONFIG := $(CURDIR)/.config
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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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LIBPAYLOAD_PATH := $(realpath ../libpayload)
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LIBPAYLOAD_OBJ := $(coreinfo_obj)/libpayload
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HAVE_LIBPAYLOAD := $(wildcard $(LIBPAYLOAD_OBJ)/lib/libpayload.a)
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LIBPAYLOAD_CONFIG ?= configs/defconfig-tinycurses
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OBJCOPY ?= objcopy
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INCLUDES = -I$(coreinfo_obj) -include $(LIBPAYLOAD_OBJ)/include/kconfig.h -I$(src)/../../src/commonlib/include
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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 \
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multiboot_module.o cbfs_module.o timestamps_module.o coreinfo.o
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OBJS = $(patsubst %,$(coreinfo_obj)/%,$(OBJECTS))
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TARGET = $(coreinfo_obj)/coreinfo.elf
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all: real-all
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# in addition to the dependency below, create the file if it doesn't exist
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# to silence warnings about a file that would be generated anyway.
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$(if $(wildcard .xcompile),,$(eval $(shell ../../util/xcompile/xcompile $(XGCCPATH) > .xcompile || rm -f .xcompile)))
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.xcompile: ../../util/xcompile/xcompile
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$< $(XGCCPATH) > $@.tmp
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\mv -f $@.tmp $@ 2> /dev/null || rm -f $@.tmp $@
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CONFIG_COMPILER_GCC := y
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ARCH-y := x86_32
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include .xcompile
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CC := $(CC_$(ARCH-y))
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AS := $(AS_$(ARCH-y))
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OBJCOPY := $(OBJCOPY_$(ARCH-y))
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LPCC := CC="$(CC)" $(LIBPAYLOAD_OBJ)/bin/lpgcc
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LPAS := AS="$(AS)" $(LIBPAYLOAD_OBJ)/bin/lpas
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CFLAGS += -Wall -Wextra -Wmissing-prototypes -Wvla -Werror
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CFLAGS += -Os -fno-builtin $(CFLAGS_$(ARCH-y)) $(INCLUDES)
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ifneq ($(strip $(HAVE_DOTCONFIG)),)
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include $(src)/.config
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real-all: $(TARGET)
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$(TARGET): $(src)/.config $(coreinfo_obj)/config.h $(OBJS) libpayload
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printf " LPCC $(subst $(CURDIR)/,,$(@)) (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 $@
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$(coreinfo_obj)/%.S.o: $(src)/%.S libpayload
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printf " LPAS $(subst $(CURDIR)/,,$(@))\n"
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$(LPAS) -o $@ $<
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$(coreinfo_obj)/%.o: $(src)/%.c libpayload
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printf " LPCC $(subst $(CURDIR)/,,$(@))\n"
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$(LPCC) $(CFLAGS) -c -o $@ $<
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else
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real-all: config
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endif
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defaultbuild:
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$(MAKE) olddefconfig
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$(MAKE) all
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ifneq ($(strip $(HAVE_LIBPAYLOAD)),)
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libpayload:
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printf "Found Libpayload $(LIBPAYLOAD_OBJ).\n"
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else
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LPOPTS=obj="$(CURDIR)/lpbuild" DOTCONFIG="$(CURDIR)/lp.config"
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libpayload:
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printf "Building libpayload @ $(LIBPAYLOAD_PATH).\n"
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$(MAKE) -C $(LIBPAYLOAD_PATH) $(LPOPTS) distclean coreinfo_obj=$(coreinfo_obj)/libptmp
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$(MAKE) -C $(LIBPAYLOAD_PATH) $(LPOPTS) defconfig KBUILD_DEFCONFIG=$(LIBPAYLOAD_CONFIG)
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$(MAKE) -C $(LIBPAYLOAD_PATH) $(LPOPTS) install DESTDIR=$(coreinfo_obj)
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endif
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$(coreinfo_obj)/config.h:
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$(MAKE) oldconfig
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$(shell mkdir -p $(coreinfo_obj) $(objk)/lxdialog $(KCONFIG_SPLITCONFIG))
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include $(srck)/Makefile
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.PHONY: $(PHONY) prepare
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else
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clean:
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rm -rf build/*.elf build/*.o .xcompile
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distclean: clean
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rm -rf build lpbuild
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rm -f .config* lp.config*
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.PHONY: clean distclean
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endif
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