1# $FreeBSD$ 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 26LIBLUASRC= ${BOOTSRC}/liblua 27LUASRC= ${SRCTOP}/contrib/lua/src 28SASRC= ${BOOTSRC}/libsa 29SYSDIR= ${SRCTOP}/sys 30UBOOTSRC= ${BOOTSRC}/uboot 31ZFSSRC= ${SASRC}/zfs 32 33BOOTOBJ= ${OBJTOP}/stand 34 35# BINDIR is where we install 36BINDIR?= /boot 37 38LIBSA= ${BOOTOBJ}/libsa/libsa.a 39.if ${MACHINE} == "i386" 40LIBSA32= ${LIBSA} 41.else 42LIBSA32= ${BOOTOBJ}/libsa32/libsa32.a 43.endif 44 45# Standard options: 46CFLAGS+= -nostdinc 47.if ${MACHINE_ARCH} == "amd64" && ${DO32:U0} == 1 48CFLAGS+= -I${BOOTOBJ}/libsa32 49.else 50CFLAGS+= -I${BOOTOBJ}/libsa 51.endif 52CFLAGS+= -I${SASRC} -D_STANDALONE 53CFLAGS+= -I${SYSDIR} 54# Spike the floating point interfaces 55CFLAGS+= -Ddouble=jagged-little-pill -Dfloat=floaty-mcfloatface 56 57 58# GELI Support, with backward compat hooks (mostly) 59.if defined(HAVE_GELI) 60.if defined(LOADER_NO_GELI_SUPPORT) 61MK_LOADER_GELI=no 62.warning "Please move from LOADER_NO_GELI_SUPPORT to WITHOUT_LOADER_GELI" 63.endif 64.if defined(LOADER_GELI_SUPPORT) 65MK_LOADER_GELI=yes 66.warning "Please move from LOADER_GELI_SUPPORT to WITH_LOADER_GELI" 67.endif 68.if ${MK_LOADER_GELI} == "yes" 69CFLAGS+= -DLOADER_GELI_SUPPORT 70CFLAGS+= -I${SASRC}/geli 71.endif # MK_LOADER_GELI 72.endif # HAVE_GELI 73 74# These should be confined to loader.mk, but can't because uboot/lib 75# also uses it. It's part of loader, but isn't a loader so we can't 76# just include loader.mk 77.if ${LOADER_DISK_SUPPORT:Uyes} == "yes" 78CFLAGS+= -DLOADER_DISK_SUPPORT 79.endif 80 81# Machine specific flags for all builds here 82 83# All PowerPC builds are 32 bit. We have no 64-bit loaders on powerpc 84# or powerpc64. 85.if ${MACHINE_ARCH} == "powerpc64" 86CFLAGS+= -m32 -mcpu=powerpc 87.endif 88 89# For amd64, there's a bit of mixed bag. Some of the tree (i386, lib*32) is 90# build 32-bit and some 64-bit (lib*, efi). Centralize all the 32-bit magic here 91# and activate it when DO32 is explicitly defined to be 1. 92.if ${MACHINE_ARCH} == "amd64" && ${DO32:U0} == 1 93CFLAGS+= -m32 94# LD_FLAGS is passed directly to ${LD}, not via ${CC}: 95LD_FLAGS+= -m elf_i386_fbsd 96AFLAGS+= --32 97.endif 98 99SSP_CFLAGS= 100 101# Add in the no float / no SIMD stuff and announce we're freestanding 102# aarch64 and riscv don't have -msoft-float, but all others do. riscv 103# currently has no /boot/loader, but may soon. 104CFLAGS+= -ffreestanding ${CFLAGS_NO_SIMD} 105.if ${MACHINE_CPUARCH} == "aarch64" 106CFLAGS+= -mgeneral-regs-only -fPIC 107.elif ${MACHINE_CPUARCH} == "riscv" 108CFLAGS+= -march=rv64imac -mabi=lp64 109.else 110CFLAGS+= -msoft-float 111.endif 112 113.if ${MACHINE_CPUARCH} == "i386" || (${MACHINE_CPUARCH} == "amd64" && ${DO32:U0} == 1) 114CFLAGS+= -march=i386 115CFLAGS.gcc+= -mpreferred-stack-boundary=2 116.endif 117.if ${MACHINE_CPUARCH} == "amd64" && ${DO32:U0} == 0 118CFLAGS+= -fPIC -mno-red-zone 119.endif 120 121.if ${MACHINE_CPUARCH} == "arm" 122# Do not generate movt/movw, because the relocation fixup for them does not 123# translate to the -Bsymbolic -pie format required by self_reloc() in loader(8). 124# Also, the fpu is not available in a standalone environment. 125.if ${COMPILER_VERSION} < 30800 126CFLAGS.clang+= -mllvm -arm-use-movt=0 127.else 128CFLAGS.clang+= -mno-movt 129.endif 130CFLAGS.clang+= -mfpu=none 131CFLAGS+= -fPIC 132.endif 133 134# The boot loader build uses dd status=none, where possible, for reproducible 135# build output (since performance varies from run to run). Trouble is that 136# option was recently (10.3) added to FreeBSD and is non-standard. Only use it 137# when this test succeeds rather than require dd to be a bootstrap tool. 138DD_NOSTATUS!=(dd status=none count=0 2> /dev/null && echo status=none) || true 139DD=dd ${DD_NOSTATUS} 140 141.if ${MACHINE_CPUARCH} == "mips" 142CFLAGS+= -G0 -fno-pic -mno-abicalls 143.endif 144 145.if ${MK_LOADER_FORCE_LE} != "no" 146.if ${MACHINE_ARCH} == "powerpc64" 147CFLAGS+= -mlittle-endian 148.endif 149.endif 150 151# Make sure we use the machine link we're about to create 152CFLAGS+=-I. 153 154all: ${PROG} 155 156.if !defined(NO_OBJ) 157_ILINKS=machine 158.if ${MACHINE} != ${MACHINE_CPUARCH} && ${MACHINE} != "arm64" 159_ILINKS+=${MACHINE_CPUARCH} 160.endif 161.if ${MACHINE_CPUARCH} == "i386" || ${MACHINE_CPUARCH} == "amd64" 162_ILINKS+=x86 163.endif 164CLEANFILES+=${_ILINKS} 165 166beforedepend: ${_ILINKS} 167beforebuild: ${_ILINKS} 168 169# Ensure that the links exist without depending on it when it exists which 170# causes all the modules to be rebuilt when the directory pointed to changes. 171.for _link in ${_ILINKS} 172.if !exists(${.OBJDIR}/${_link}) 173${OBJS}: ${_link} 174.endif # _link exists 175.endfor 176 177.NOPATH: ${_ILINKS} 178 179${_ILINKS}: 180 @case ${.TARGET} in \ 181 machine) \ 182 if [ ${DO32:U0} -eq 0 ]; then \ 183 path=${SYSDIR}/${MACHINE}/include ; \ 184 else \ 185 path=${SYSDIR}/${MACHINE:C/amd64/i386/}/include ; \ 186 fi ;; \ 187 *) \ 188 path=${SYSDIR}/${.TARGET:T}/include ;; \ 189 esac ; \ 190 path=`(cd $$path && /bin/pwd)` ; \ 191 ${ECHO} ${.TARGET:T} "->" $$path ; \ 192 ln -fhs $$path ${.TARGET:T} 193.endif # !NO_OBJ 194.endif # __BOOT_DEFS_MK__ 195