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##
## This file is part of the libpayload project.
##
## Copyright (C) 2008 Advanced Micro Devices, Inc.
## Copyright (C) 2008 Uwe Hermann <uwe@hermann-uwe.de>
##
## Redistribution and use in source and binary forms, with or without
## modification, are permitted provided that the following conditions
## are met:
## 1. Redistributions of source code must retain the above copyright
## notice, this list of conditions and the following disclaimer.
## 2. Redistributions in binary form must reproduce the above copyright
## notice, this list of conditions and the following disclaimer in the
## documentation and/or other materials provided with the distribution.
## 3. The name of the author may not be used to endorse or promote products
## derived from this software without specific prior written permission.
##
## THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
## ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
## IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
## ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
## FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
## DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
## OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
## HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
## LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
## OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
## SUCH DAMAGE.
##
export src := $(shell pwd)
export srctree := $(src)
export srck := $(src)/util/kconfig
export obj := $(src)/build
export objk := $(src)/build/util/kconfig
export KERNELVERSION := 0.1.0
export KCONFIG_AUTOHEADER := $(obj)/config.h
export KCONFIG_AUTOCONFIG := $(obj)/auto.conf
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)
Q := @
endif
HOSTCC = gcc
HOSTCXX = g++
HOSTCFLAGS := -I$(srck) -I$(objk)
HOSTCXXFLAGS := -I$(srck) -I$(objk)
DESTDIR = /opt
ifeq ($(strip $(HAVE_DOTCONFIG)),)
all: config
else
include $(src)/.config
ARCHDIR-$(CONFIG_TARGET_I386) := i386
PLATFORM-y += $(ARCHDIR-y)/Makefile.inc
TARGETS-y :=
BUILD-y := crypto/Makefile.inc libc/Makefile.inc drivers/Makefile.inc
BUILD-$(CONFIG_TINYCURSES) += curses/Makefile.inc
include $(PLATFORM-y) $(BUILD-y)
OBJS := $(patsubst %,$(obj)/%,$(TARGETS-y))
INCLUDES := -Iinclude -Ibuild
INCLUDES += -I$(shell $(CC) -print-search-dirs | head -n 1 | cut -d' ' -f2)include
try-run= $(shell set -e; \
TMP=".$$$$.tmp"; \
if ($(1)) > /dev/null 2>&1; \
then echo "$(2)"; \
else echo "$(3)"; \
fi; rm -rf "$$TMP")
cc-option= $(call try-run,\
$(CC) $(1) -S -xc /dev/null -o "$$TMP", $(1), $(2))
STACKPROTECT += $(call cc-option, -fno-stack-protector,)
# TODO: Re-add -Os as soon as we find out why it caused problems.
CFLAGS := -Wall -Werror $(STACKPROTECT) -nostdinc $(INCLUDES) -ffreestanding
all: lib
lib: prepare $(obj)/lib/libpayload.a copystuff
# Copy libpayload.a and head.o into $(src)/lib where lpgcc et al expect them.
copystuff:
$(Q)cp $(obj)/$(ARCHDIR-y)/head.S.o $(src)/lib/$(ARCHDIR-y)/head.o
$(Q)cp $(obj)/lib/libpayload.a $(src)/lib
$(obj)/lib/libpayload.a: $(OBJS)
$(Q)printf " AR $(subst $(shell pwd)/,,$(@))\n"
$(Q)$(AR) rc $@ $(OBJS)
$(obj)/%.o: $(src)/%.c
$(Q)printf " CC $(subst $(shell pwd)/,,$(@))\n"
$(Q)$(CC) -m32 $(CFLAGS) -c -o $@ $<
$(obj)/%.S.o: $(src)/%.S
$(Q)printf " AS $(subst $(shell pwd)/,,$(@))\n"
$(Q)$(AS) --32 -o $@ $<
endif
install: lib
$(Q)printf " INSTALL $(DESTDIR)/libpayload/lib\n"
$(Q)install -m 755 -d $(DESTDIR)/libpayload/lib
$(Q)cp -r lib/* $(DESTDIR)/libpayload/lib/
$(Q)printf " INSTALL $(DESTDIR)/libpayload/include\n"
$(Q)install -m 755 -d $(DESTDIR)/libpayload/include
$(Q)for file in `find include -name *.h -type f`; do \
install -m 644 -D $$file $(DESTDIR)/libpayload/$$file; \
done
$(Q)printf " INSTALL $(DESTDIR)/libpayload/bin\n"
$(Q)install -m 755 -d $(DESTDIR)/libpayload/bin
$(Q)install -m 755 bin/lpgcc $(DESTDIR)/libpayload/bin
$(Q)install -m 755 bin/lpas $(DESTDIR)/libpayload/bin
$(Q)install -m 644 bin/lp.functions $(DESTDIR)/libpayload/bin
prepare:
$(Q)mkdir -p $(obj)/util/kconfig/lxdialog
$(Q)mkdir -p $(obj)/crypto $(obj)/curses $(obj)/drivers/video
$(Q)mkdir -p $(obj)/i386 $(obj)/lib/$(ARCHDIR-y) $(obj)/libc
$(Q)mkdir -p $(src)/lib/$(ARCHDIR-y)
clean:
$(Q)rm -rf $(obj)/crypto $(obj)/curses $(obj)/drivers
$(Q)rm -rf $(obj)/i386 $(obj)/lib $(obj)/libc
$(Q)rm -rf $(src)/lib/i386 $(src)/lib/libpayload.a
distclean: clean
$(Q)rm -rf build
$(Q)rm -f .config .config.old ..config.tmp .kconfig.d .tmpconfig*
include util/kconfig/Makefile
.PHONY: $(PHONY) prepare clean distclean
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