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