defs.mk revision 329183
1# $FreeBSD: stable/11/stand/defs.mk 329183 2018-02-12 20:51:28Z kevans $ 2 3.include <src.opts.mk> 4 5WARNS?=1 6 7.if !defined(__BOOT_DEFS_MK__) 8__BOOT_DEFS_MK__=${MFILE} 9 10MK_CTF= no 11MK_SSP= no 12MK_PROFILE= no 13MAN= 14.if !defined(PIC) 15NO_PIC= 16INTERNALLIB= 17.endif 18 19BOOTSRC= ${SRCTOP}/stand 20EFISRC= ${BOOTSRC}/efi 21EFIINC= ${EFISRC}/include 22EFIINCMD= ${EFIINC}/${MACHINE} 23FDTSRC= ${BOOTSRC}/fdt 24FICLSRC= ${BOOTSRC}/ficl 25LDRSRC= ${BOOTSRC}/common 26SASRC= ${BOOTSRC}/libsa 27SYSDIR= ${SRCTOP}/sys 28UBOOTSRC= ${BOOTSRC}/uboot 29ZFSSRC= ${BOOTSRC}/zfs 30 31BOOTOBJ= ${OBJTOP}/stand 32 33# BINDIR is where we install 34BINDIR?= /boot 35 36LIBSA= ${BOOTOBJ}/libsa/libsa.a 37.if ${MACHINE} == "i386" 38LIBSA32= ${LIBSA} 39.else 40LIBSA32= ${BOOTOBJ}/libsa32/libsa32.a 41.endif 42 43# Standard options: 44CFLAGS+= -nostdinc 45.if ${MACHINE_ARCH} == "amd64" && ${DO32:U0} == 1 46CFLAGS+= -I${BOOTOBJ}/libsa32 47.else 48CFLAGS+= -I${BOOTOBJ}/libsa 49.endif 50CFLAGS+= -I${SASRC} -D_STANDALONE 51CFLAGS+= -I${SYSDIR} 52 53# GELI Support, with backward compat hooks (mostly) 54.if defined(HAVE_GELI) 55.if defined(LOADER_NO_GELI_SUPPORT) 56MK_LOADER_GELI=no 57.warning "Please move from LOADER_NO_GELI_SUPPORT to WITHOUT_LOADER_GELI" 58.endif 59.if defined(LOADER_GELI_SUPPORT) 60MK_LOADER_GELI=yes 61.warning "Please move from LOADER_GELI_SUPPORT to WITH_LOADER_GELI" 62.endif 63.if ${MK_LOADER_GELI} == "yes" 64CFLAGS+= -DLOADER_GELI_SUPPORT 65CFLAGS+= -I${BOOTSRC}/geli 66LIBGELIBOOT= ${BOOTOBJ}/geli/libgeliboot.a 67.endif # MK_LOADER_GELI 68.endif # HAVE_GELI 69 70# These should be confined to loader.mk, but can't because uboot/lib 71# also uses it. It's part of loader, but isn't a loader so we can't 72# just include loader.mk 73.if ${LOADER_DISK_SUPPORT:Uyes} == "yes" 74CFLAGS+= -DLOADER_DISK_SUPPORT 75.endif 76 77# Machine specific flags for all builds here 78 79# All PowerPC builds are 32 bit. We have no 64-bit loaders on powerpc 80# or powerpc64. 81.if ${MACHINE_ARCH} == "powerpc64" 82CFLAGS+= -m32 -mcpu=powerpc 83.endif 84 85# For amd64, there's a bit of mixed bag. Some of the tree (i386, lib*32) is 86# build 32-bit and some 64-bit (lib*, efi). Centralize all the 32-bit magic here 87# and activate it when DO32 is explicitly defined to be 1. 88.if ${MACHINE_ARCH} == "amd64" && ${DO32:U0} == 1 89CFLAGS+= -m32 -mcpu=i386 90# LD_FLAGS is passed directly to ${LD}, not via ${CC}: 91LD_FLAGS+= -m elf_i386_fbsd 92AFLAGS+= --32 93.endif 94 95SSP_CFLAGS= 96 97# Add in the no float / no SIMD stuff and announce we're freestanding 98# aarch64 and riscv don't have -msoft-float, but all others do. riscv 99# currently has no /boot/loader, but may soon. 100CFLAGS+= -ffreestanding ${CFLAGS_NO_SIMD} 101.if ${MACHINE_CPUARCH} == "aarch64" 102CFLAGS+= -mgeneral-regs-only 103.elif ${MACHINE_CPUARCH} != "riscv" 104CFLAGS+= -msoft-float 105.endif 106 107.if ${MACHINE_CPUARCH} == "i386" || (${MACHINE_CPUARCH} == "amd64" && ${DO32:U0} == 1) 108CFLAGS+= -march=i386 109CFLAGS.gcc+= -mpreferred-stack-boundary=2 110.endif 111 112 113.if ${MACHINE_CPUARCH} == "arm" 114# Do not generate movt/movw, because the relocation fixup for them does not 115# translate to the -Bsymbolic -pie format required by self_reloc() in loader(8). 116# Also, the fpu is not available in a standalone environment. 117.if ${COMPILER_VERSION} < 30800 118CFLAGS.clang+= -mllvm -arm-use-movt=0 119.else 120CFLAGS.clang+= -mno-movt 121.endif 122CFLAGS.clang+= -mfpu=none 123.endif 124 125# The boot loader build uses dd status=none, where possible, for reproducible 126# build output (since performance varies from run to run). Trouble is that 127# option was recently (10.3) added to FreeBSD and is non-standard. Only use it 128# when this test succeeds rather than require dd to be a bootstrap tool. 129DD_NOSTATUS!=(dd status=none count=0 2> /dev/null && echo status=none) || true 130DD=dd ${DD_NOSTATUS} 131 132.if ${MK_LOADER_FORCE_LE} != "no" 133.if ${MACHINE_ARCH} == "powerpc64" 134CFLAGS+= -mlittle-endian 135.endif 136.endif 137 138# Make sure we use the machine link we're about to create 139CFLAGS+=-I. 140 141_ILINKS=machine 142.if ${MACHINE} != ${MACHINE_CPUARCH} && ${MACHINE} != "arm64" 143_ILINKS+=${MACHINE_CPUARCH} 144.endif 145.if ${MACHINE_CPUARCH} == "i386" || ${MACHINE_CPUARCH} == "amd64" 146_ILINKS+=x86 147.endif 148CLEANFILES+=${_ILINKS} 149 150all: ${PROG} 151 152beforedepend: ${_ILINKS} 153beforebuild: ${_ILINKS} 154 155# Ensure that the links exist without depending on it when it exists which 156# causes all the modules to be rebuilt when the directory pointed to changes. 157.for _link in ${_ILINKS} 158.if !exists(${.OBJDIR}/${_link}) 159${OBJS}: ${_link} 160.endif 161.endfor 162 163.NOPATH: ${_ILINKS} 164 165${_ILINKS}: 166 @case ${.TARGET} in \ 167 machine) \ 168 if [ ${DO32:U0} -eq 0 ]; then \ 169 path=${SYSDIR}/${MACHINE}/include ; \ 170 else \ 171 path=${SYSDIR}/${MACHINE:C/amd64/i386/}/include ; \ 172 fi ;; \ 173 *) \ 174 path=${SYSDIR}/${.TARGET:T}/include ;; \ 175 esac ; \ 176 path=`(cd $$path && /bin/pwd)` ; \ 177 ${ECHO} ${.TARGET:T} "->" $$path ; \ 178 ln -fhs $$path ${.TARGET:T} 179 180.endif # __BOOT_DEFS_MK__ 181