1 # -*- makefile -*- 2 # Copyright (c) 1999-2007 Hewlett-Packard Development Company, L.P. 3 # Contributed by David Mosberger <davidm (a] hpl.hp.com> 4 # Contributed by Stephane Eranian <eranian (a] 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 37 TOPDIR := $(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 # 48 INSTALLROOT := / 49 PREFIX := /usr/local 50 LIBDIR := $(PREFIX)/lib 51 INSTALL := install 52 53 # Compilation tools 54 HOSTCC := $(prefix)gcc 55 CC := $(prefix)$(CROSS_COMPILE)gcc 56 AS := $(prefix)$(CROSS_COMPILE)as 57 LD := $(prefix)$(CROSS_COMPILE)ld 58 AR := $(prefix)$(CROSS_COMPILE)ar 59 RANLIB := $(prefix)$(CROSS_COMPILE)ranlib 60 OBJCOPY := $(prefix)$(CROSS_COMPILE)objcopy 61 62 63 # Host/target identification 64 OS := $(shell uname -s) 65 HOSTARCH ?= $(shell $(HOSTCC) -dumpmachine | cut -f1 -d- | sed -e s,i[3456789]86,ia32, -e 's,armv[67].*,arm,' ) 66 ARCH ?= $(shell $(HOSTCC) -dumpmachine | cut -f1 -d- | sed -e s,i[3456789]86,ia32, -e 's,armv[67].*,arm,' ) 67 68 # Get ARCH from the compiler if cross compiling 69 ifneq ($(CROSS_COMPILE),) 70 override ARCH := $(shell $(CC) -dumpmachine | cut -f1 -d-| sed -e s,i[3456789]86,ia32, -e 's,armv[67].*,arm,' ) 71 endif 72 73 # FreeBSD (and possibly others) reports amd64 instead of x86_64 74 ifeq ($(ARCH),amd64) 75 override ARCH := x86_64 76 endif 77 78 # 79 # Where to build the package 80 # 81 OBJDIR := $(TOPDIR)/$(ARCH) 82 83 # 84 # Variables below derived from variables above 85 # 86 87 # Arch-specific compilation flags 88 CPPFLAGS += -DCONFIG_$(ARCH) 89 90 CFLAGS += -Wno-error=pragmas 91 92 ifeq ($(ARCH),ia64) 93 CFLAGS += -mfixed-range=f32-f127 94 endif 95 96 ifeq ($(ARCH),ia32) 97 CFLAGS += -mno-mmx -mno-sse 98 ifeq ($(HOSTARCH),x86_64) 99 ARCH3264 = -m32 100 endif 101 endif 102 103 ifeq ($(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 123 endif 124 125 ifneq (,$(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 131 endif 132 133 ifeq ($(ARCH),mips64el) 134 CFLAGS += -march=mips64r2 135 ARCH3264 = -mabi=64 136 endif 137 138 # 139 # Set HAVE_EFI_OBJCOPY if objcopy understands --target efi-[app|bsdrv|rtdrv], 140 # otherwise we need to compose the PE/COFF header using the assembler 141 # 142 ifneq ($(ARCH),aarch64) 143 ifneq ($(ARCH),arm) 144 ifneq ($(ARCH),mips64el) 145 ifneq ($(ARCH),riscv64) 146 export HAVE_EFI_OBJCOPY=y 147 endif 148 endif 149 endif 150 endif 151 152 ifneq ($(ARCH),arm) 153 export LIBGCC=$(shell $(CC) $(ARCH3264) -print-libgcc-file-name) 154 endif 155 156 ifeq ($(ARCH),arm) 157 CFLAGS += -marm 158 endif 159 160 # Generic compilation flags 161 INCDIR += -I$(SRCDIR) -I$(TOPDIR)/inc -I$(TOPDIR)/inc/$(ARCH) \ 162 -I$(TOPDIR)/inc/protocol 163 164 # Only enable -fpic for non MinGW compilers (unneeded on MinGW) 165 GCCMACHINE := $(shell $(CC) -dumpmachine) 166 ifneq (mingw32,$(findstring mingw32, $(GCCMACHINE))) 167 CFLAGS += -fpic 168 endif 169 170 ifeq (FreeBSD, $(findstring FreeBSD, $(OS))) 171 CFLAGS += $(ARCH3264) -g -O2 -Wall -Wextra -Werror \ 172 -fshort-wchar -fno-strict-aliasing \ 173 -ffreestanding -fno-stack-protector 174 else 175 CFLAGS += $(ARCH3264) -g -O2 -Wall -Wextra -Werror \ 176 -fshort-wchar -fno-strict-aliasing \ 177 -ffreestanding -fno-stack-protector -fno-stack-check \ 178 -fno-stack-check \ 179 $(if $(findstring gcc,$(CC)),-fno-merge-all-constants,) 180 endif 181 182 ARFLAGS := rDv 183 ASFLAGS += $(ARCH3264) 184 LDFLAGS += -nostdlib --warn-common --no-undefined --fatal-warnings \ 185 --build-id=sha1 186