1# -*- makefile -*- 2# Copyright (c) 1999-2007 Hewlett-Packard Development Company, L.P. 3# Contributed by David Mosberger <davidm@hpl.hp.com> 4# Contributed by Stephane Eranian <eranian@hpl.hp.com> 5# 6# All rights reserved. 7# 8# Redistribution and use in source and binary forms, with or without 9# modification, are permitted provided that the following conditions 10# are met: 11# 12# * Redistributions of source code must retain the above copyright 13# notice, this list of conditions and the following disclaimer. 14# * Redistributions in binary form must reproduce the above 15# copyright notice, this list of conditions and the following 16# disclaimer in the documentation and/or other materials 17# provided with the distribution. 18# * Neither the name of Hewlett-Packard Co. nor the names of its 19# contributors may be used to endorse or promote products derived 20# from this software without specific prior written permission. 21# 22# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 23# CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, 24# INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 25# MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 26# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS 27# BE LIABLE FOR ANYDIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, 28# OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 29# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 30# PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 31# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR 32# TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF 33# THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34# SUCH DAMAGE. 35# 36 37TOPDIR := $(shell if [ "$$PWD" != "" ]; then echo $$PWD; else pwd; fi) 38 39# 40# Variables below overridable from command-line: 41# make VARNAME=value ... 42# 43 44# 45# Where to install the package. GNU-EFI will create and access 46# lib and include under the root 47# 48INSTALLROOT := / 49PREFIX := /usr/local 50LIBDIR := $(PREFIX)/lib 51INSTALL := install 52 53# Compilation tools 54HOSTCC := $(prefix)gcc 55CC := $(prefix)$(CROSS_COMPILE)gcc 56AS := $(prefix)$(CROSS_COMPILE)as 57LD := $(prefix)$(CROSS_COMPILE)ld 58AR := $(prefix)$(CROSS_COMPILE)ar 59RANLIB := $(prefix)$(CROSS_COMPILE)ranlib 60OBJCOPY := $(prefix)$(CROSS_COMPILE)objcopy 61 62 63# Host/target identification 64OS := $(shell uname -s) 65HOSTARCH ?= $(shell $(HOSTCC) -dumpmachine | cut -f1 -d- | sed -e s,i[3456789]86,ia32, -e 's,armv7.*,arm,' ) 66ARCH ?= $(shell $(HOSTCC) -dumpmachine | cut -f1 -d- | sed -e s,i[3456789]86,ia32, -e 's,armv7.*,arm,' ) 67 68# Get ARCH from the compiler if cross compiling 69ifneq ($(CROSS_COMPILE),) 70 override ARCH := $(shell $(CC) -dumpmachine | cut -f1 -d-| sed -e s,i[3456789]86,ia32, -e 's,armv7.*,arm,' ) 71endif 72 73# FreeBSD (and possibly others) reports amd64 instead of x86_64 74ifeq ($(ARCH),amd64) 75 override ARCH := x86_64 76endif 77 78# 79# Where to build the package 80# 81OBJDIR := $(TOPDIR)/$(ARCH) 82 83# 84# Variables below derived from variables above 85# 86 87# Arch-specific compilation flags 88CPPFLAGS += -DCONFIG_$(ARCH) 89 90CFLAGS += -Wno-error=pragmas 91 92ifeq ($(ARCH),ia64) 93 CFLAGS += -mfixed-range=f32-f127 94endif 95 96ifeq ($(ARCH),ia32) 97 CFLAGS += -mno-mmx -mno-sse 98 ifeq ($(HOSTARCH),x86_64) 99 ARCH3264 = -m32 100 endif 101endif 102 103ifeq ($(ARCH),x86_64) 104 GCCVERSION := $(shell $(CC) -dumpversion | cut -f1 -d.) 105 GCCMINOR := $(shell $(CC) -dumpversion | cut -f2 -d.) 106 USING_CLANG := $(shell $(CC) -v 2>&1 | grep -q 'clang version' && echo clang) 107 108 # Rely on GCC MS ABI support? 109 GCCNEWENOUGH := $(shell ( [ $(GCCVERSION) -gt "4" ] \ 110 || ( [ $(GCCVERSION) -eq "4" ] \ 111 && [ $(GCCMINOR) -ge "7" ] ) ) \ 112 && echo 1) 113 ifeq ($(GCCNEWENOUGH),1) 114 CPPFLAGS += -DGNU_EFI_USE_MS_ABI -maccumulate-outgoing-args --std=c11 115 else ifeq ($(USING_CLANG),clang) 116 CPPFLAGS += -DGNU_EFI_USE_MS_ABI --std=c11 117 endif 118 119 CFLAGS += -mno-red-zone 120 ifeq ($(HOSTARCH),ia32) 121 ARCH3264 = -m64 122 endif 123endif 124 125ifneq (,$(filter $(ARCH),ia32 x86_64)) 126 # Disable AVX, if the compiler supports that. 127 CC_CAN_DISABLE_AVX=$(shell $(CC) -Werror -c -o /dev/null -xc -mno-avx - </dev/null >/dev/null 2>&1 && echo 1) 128 ifeq ($(CC_CAN_DISABLE_AVX), 1) 129 CFLAGS += -mno-avx 130 endif 131endif 132 133ifeq ($(ARCH),mips64el) 134 CFLAGS += -march=mips64r2 135 ARCH3264 = -mabi=64 136endif 137 138# 139# Set HAVE_EFI_OBJCOPY if objcopy understands --target efi-[app|bsdrv|rtdrv], 140# otherwise we need to compose the PE/COFF header using the assembler 141# 142ifneq ($(ARCH),aarch64) 143ifneq ($(ARCH),arm) 144ifneq ($(ARCH),mips64el) 145export HAVE_EFI_OBJCOPY=y 146endif 147endif 148endif 149 150ifneq ($(ARCH),arm) 151export LIBGCC=$(shell $(CC) $(ARCH3264) -print-libgcc-file-name) 152endif 153 154ifeq ($(ARCH),arm) 155CFLAGS += -marm 156endif 157 158# Generic compilation flags 159INCDIR += -I$(SRCDIR) -I$(TOPDIR)/inc -I$(TOPDIR)/inc/$(ARCH) \ 160 -I$(TOPDIR)/inc/protocol 161 162# Only enable -fpic for non MinGW compilers (unneeded on MinGW) 163GCCMACHINE := $(shell $(CC) -dumpmachine) 164ifneq (mingw32,$(findstring mingw32, $(GCCMACHINE))) 165 CFLAGS += -fpic 166endif 167 168ifeq (FreeBSD, $(findstring FreeBSD, $(OS))) 169CFLAGS += $(ARCH3264) -g -O2 -Wall -Wextra -Werror \ 170 -fshort-wchar -fno-strict-aliasing \ 171 -ffreestanding -fno-stack-protector 172else 173CFLAGS += $(ARCH3264) -g -O2 -Wall -Wextra -Werror \ 174 -fshort-wchar -fno-strict-aliasing \ 175 -ffreestanding -fno-stack-protector -fno-stack-check \ 176 -fno-stack-check \ 177 $(if $(findstring gcc,$(CC)),-fno-merge-all-constants,) 178endif 179 180ARFLAGS += -U 181ASFLAGS += $(ARCH3264) 182LDFLAGS += -nostdlib --warn-common --no-undefined --fatal-warnings \ 183 --build-id=sha1 184