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= ${BOOTSRC}/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 ${MK_LOADER_GELI} == "yes" 69CFLAGS+= -DLOADER_GELI_SUPPORT 70CFLAGS+= -I${BOOTSRC}/geli 71LIBGELIBOOT= ${BOOTOBJ}/geli/libgeliboot.a 72.endif # MK_LOADER_GELI 73.endif # HAVE_GELI 74 75# These should be confined to loader.mk, but can't because uboot/lib 76# also uses it. It's part of loader, but isn't a loader so we can't 77# just include loader.mk 78.if ${LOADER_DISK_SUPPORT:Uyes} == "yes" 79CFLAGS+= -DLOADER_DISK_SUPPORT 80.endif 81 82# Machine specific flags for all builds here 83 84# All PowerPC builds are 32 bit. We have no 64-bit loaders on powerpc 85# or powerpc64. 86.if ${MACHINE_ARCH} == "powerpc64" 87CFLAGS+= -m32 -mcpu=powerpc 88.endif 89 90# For amd64, there's a bit of mixed bag. Some of the tree (i386, lib*32) is 91# build 32-bit and some 64-bit (lib*, efi). Centralize all the 32-bit magic here 92# and activate it when DO32 is explicitly defined to be 1. 93.if ${MACHINE_ARCH} == "amd64" && ${DO32:U0} == 1 94CFLAGS+= -m32 95# LD_FLAGS is passed directly to ${LD}, not via ${CC}: 96LD_FLAGS+= -m elf_i386_fbsd 97AFLAGS+= --32 98.endif 99 100SSP_CFLAGS= 101 102# Add in the no float / no SIMD stuff and announce we're freestanding 103# aarch64 and riscv don't have -msoft-float, but all others do. riscv 104# currently has no /boot/loader, but may soon. 105CFLAGS+= -ffreestanding ${CFLAGS_NO_SIMD} 106.if ${MACHINE_CPUARCH} == "aarch64" 107CFLAGS+= -mgeneral-regs-only -fPIC 108.elif ${MACHINE_CPUARCH} == "riscv" 109CFLAGS+= -march=rv64imac -mabi=lp64 110.else 111CFLAGS+= -msoft-float 112.endif 113 114.if ${MACHINE_CPUARCH} == "i386" || (${MACHINE_CPUARCH} == "amd64" && ${DO32:U0} == 1) 115CFLAGS+= -march=i386 116CFLAGS.gcc+= -mpreferred-stack-boundary=2 117.endif 118.if ${MACHINE_CPUARCH} == "amd64" && ${DO32:U0} == 0 119CFLAGS+= -fPIC -mno-red-zone 120.endif 121 122.if ${MACHINE_CPUARCH} == "arm" 123# Do not generate movt/movw, because the relocation fixup for them does not 124# translate to the -Bsymbolic -pie format required by self_reloc() in loader(8). 125# Also, the fpu is not available in a standalone environment. 126.if ${COMPILER_VERSION} < 30800 127CFLAGS.clang+= -mllvm -arm-use-movt=0 128.else 129CFLAGS.clang+= -mno-movt 130.endif 131CFLAGS.clang+= -mfpu=none 132CFLAGS+= -fPIC 133.endif 134 135# The boot loader build uses dd status=none, where possible, for reproducible 136# build output (since performance varies from run to run). Trouble is that 137# option was recently (10.3) added to FreeBSD and is non-standard. Only use it 138# when this test succeeds rather than require dd to be a bootstrap tool. 139DD_NOSTATUS!=(dd status=none count=0 2> /dev/null && echo status=none) || true 140DD=dd ${DD_NOSTATUS} 141 142.if ${MACHINE_CPUARCH} == "mips" 143CFLAGS+= -G0 -fno-pic -mno-abicalls 144.endif 145 146.if ${MK_LOADER_FORCE_LE} != "no" 147.if ${MACHINE_ARCH} == "powerpc64" 148CFLAGS+= -mlittle-endian 149.endif 150.endif 151 152# Make sure we use the machine link we're about to create 153CFLAGS+=-I. 154 155all: ${PROG} 156 157.if !defined(NO_OBJ) 158_ILINKS=machine 159.if ${MACHINE} != ${MACHINE_CPUARCH} && ${MACHINE} != "arm64" 160_ILINKS+=${MACHINE_CPUARCH} 161.endif 162.if ${MACHINE_CPUARCH} == "i386" || ${MACHINE_CPUARCH} == "amd64" 163_ILINKS+=x86 164.endif 165CLEANFILES+=${_ILINKS} 166 167beforedepend: ${_ILINKS} 168beforebuild: ${_ILINKS} 169 170# Ensure that the links exist without depending on it when it exists which 171# causes all the modules to be rebuilt when the directory pointed to changes. 172.for _link in ${_ILINKS} 173.if !exists(${.OBJDIR}/${_link}) 174${OBJS}: ${_link} 175.endif # _link exists 176.endfor 177 178.NOPATH: ${_ILINKS} 179 180${_ILINKS}: 181 @case ${.TARGET} in \ 182 machine) \ 183 if [ ${DO32:U0} -eq 0 ]; then \ 184 path=${SYSDIR}/${MACHINE}/include ; \ 185 else \ 186 path=${SYSDIR}/${MACHINE:C/amd64/i386/}/include ; \ 187 fi ;; \ 188 *) \ 189 path=${SYSDIR}/${.TARGET:T}/include ;; \ 190 esac ; \ 191 path=`(cd $$path && /bin/pwd)` ; \ 192 ${ECHO} ${.TARGET:T} "->" $$path ; \ 193 ln -fhs $$path ${.TARGET:T} 194.endif # !NO_OBJ 195.endif # __BOOT_DEFS_MK__ 196