2013-01-16 02:02:58 +01:00
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##
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## This file is part of the TianoCoreBoot project.
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##
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## Copyright (C) 2013 Google Inc.
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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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2013-02-23 18:37:27 +01:00
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## Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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2013-01-16 02:02:58 +01:00
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##
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src := $(shell pwd)
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srctree := $(src)
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obj ?= $(src)/build
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export V := $(V)
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CONFIG_SHELL := sh
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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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Q := @
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endif
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LIBCONFIG_PATH := ../libpayload
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LIBPAYLOAD_DIR := $(obj)/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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OBJCOPY ?= objcopy
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INCLUDES = -Iinclude
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CFLAGS := -Wall -Werror -Os $(INCLUDES)
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OBJECTS = tianocoreboot.o
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OBJS = $(patsubst %,$(obj)/%,$(OBJECTS))
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TARGET = $(obj)/tianocoreboot.elf
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all: $(TARGET)
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$(TARGET): prepare $(OBJS) libpayload
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$(Q)printf " LINK $(subst $(shell pwd)/,,$(@))\n"
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$(Q)CC="$(CC)" $(LPCC) -o $@ $(OBJS)
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$(Q)$(OBJCOPY) --only-keep-debug $@ $(TARGET).debug
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$(Q)$(OBJCOPY) --strip-debug $@
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$(Q)$(OBJCOPY) --add-gnu-debuglink=$(TARGET).debug $@
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$(obj)/%.o: $(src)/%.c libpayload
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$(Q)printf " CC $(subst $(shell pwd)/,,$(@))\n"
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$(Q)CC="$(CC)" $(LPCC) $(CFLAGS) -c -o $@ $<
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ifneq ($(strip $(HAVE_LIBPAYLOAD)),)
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libpayload:
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$(Q)printf "Found Libpayload $(LIBPAYLOAD_DIR).\n"
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else
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libpayload:
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$(Q)printf "Building libpayload @ $(LIBCONFIG_PATH).\n"
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$(Q)cp libpayload.config .config
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$(Q)make -C $(LIBCONFIG_PATH) distclean
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$(Q)make -C $(LIBCONFIG_PATH) DESTDIR=$(LIBPAYLOAD_DIR) install DOTCONFIG=$(shell pwd)/.config
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endif
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prepare:
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$(Q)mkdir -p $(obj)
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clean:
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$(Q)rm -rf $(obj) $(LIBPAYLOAD_DIR) .xcompile .config .config.old
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.PHONY: $(PHONY) clean
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