1 2.if !defined(__BOOT_DEFS_MK__) 3__BOOT_DEFS_MK__=${MFILE} 4 5FORTIFY_SOURCE= 0 6 7# We need to define all the MK_ options before including src.opts.mk 8# because it includes bsd.own.mk which needs the right MK_ values, 9# espeically MK_CTF. 10 11MK_CTF= no 12MK_SSP= no 13MK_PROFILE= no 14MK_PIE= no 15MAN= 16.if !defined(PIC) 17NO_PIC= 18INTERNALLIB= 19.endif 20# Should be NO_CPU_FLAGS, but bsd.cpu.mk is included too early in bsd.init.mk 21# via the early include of bsd.opts.mk. Moving Makefile.inc include earlier in 22# that file causes weirdness, so this is the next best thing. We need to do this 23# because the loader needs very specific flags to work right, and things like 24# CPUTYPE?=native prevent that, and introduce an endless game of whack-a-mole 25# to disable more and more features. Boot loader performance is never improved 26# enough to make that hassle worth chasing. 27_CPUCFLAGS= 28 29.if ${LDFLAGS:M-nostdlib} 30# Sanitizers won't work unless we link against libc (e.g. in userboot/test). 31MK_ASAN:= no 32MK_UBSAN:= no 33.endif 34 35.include <src.opts.mk> 36.include <bsd.linker.mk> 37 38WARNS?= 1 39 40BOOTSRC= ${SRCTOP}/stand 41EFISRC= ${BOOTSRC}/efi 42EFIINC= ${EFISRC}/include 43# For amd64, there's a bit of mixed bag. Some of the tree (i386, lib*32) is 44# built 32-bit and some 64-bit (lib*, efi). Centralize all the 32-bit magic here 45# and activate it when DO32 is explicitly defined to be 1. 46.if ${MACHINE_ARCH} == "amd64" && ${DO32:U0} == 1 47EFIINCMD= ${EFIINC}/i386 48.else 49EFIINCMD= ${EFIINC}/${MACHINE} 50.endif 51FDTSRC= ${BOOTSRC}/fdt 52FICLSRC= ${BOOTSRC}/ficl 53LDRSRC= ${BOOTSRC}/common 54LIBLUASRC= ${BOOTSRC}/liblua 55LIBOFWSRC= ${BOOTSRC}/libofw 56LUASRC= ${SRCTOP}/contrib/lua/src 57SASRC= ${BOOTSRC}/libsa 58SYSDIR= ${SRCTOP}/sys 59UBOOTSRC= ${BOOTSRC}/uboot 60ZFSSRC= ${SASRC}/zfs 61OZFS= ${SRCTOP}/sys/contrib/openzfs 62ZFSOSSRC= ${OZFS}/module/os/freebsd/ 63ZFSOSINC= ${OZFS}/include/os/freebsd 64LIBCSRC= ${SRCTOP}/lib/libc 65 66BOOTOBJ= ${OBJTOP}/stand 67 68# BINDIR is where we install 69BINDIR?= /boot 70 71# LUAPATH is where we search for and install lua scripts. 72LUAPATH?= /boot/lua 73FLUASRC?= ${SRCTOP}/libexec/flua 74FLUALIB?= ${SRCTOP}/libexec/flua 75 76LIBSA= ${BOOTOBJ}/libsa/libsa.a 77.if ${MACHINE} == "i386" 78LIBSA32= ${LIBSA} 79.else 80LIBSA32= ${BOOTOBJ}/libsa32/libsa32.a 81.endif 82 83# Standard options: 84CFLAGS+= -nostdinc 85# Allow CFLAGS_EARLY.file/target so that code that needs specific stack 86# of include paths can set them up before our include paths. Normally 87# the only thing that should be there are -I directives, and as few of 88# those as possible. 89CFLAGS+= ${CFLAGS_EARLY} ${CFLAGS_EARLY.${.IMPSRC:T}} ${CFLAGS_EARLY.${.TARGET:T}} 90.if ${MACHINE_ARCH} == "amd64" && ${DO32:U0} == 1 91CFLAGS+= -I${BOOTOBJ}/libsa32 92.else 93CFLAGS+= -I${BOOTOBJ}/libsa 94.endif 95CFLAGS+= -I${SASRC} -D_STANDALONE 96CFLAGS+= -I${SYSDIR} 97# Spike the floating point interfaces 98CFLAGS+= -Ddouble=jagged-little-pill -Dfloat=floaty-mcfloatface 99.if ${MACHINE_ARCH} == "i386" || ${MACHINE_ARCH} == "amd64" 100# Slim down the image. This saves about 15% in size with clang 6 on x86 101# Our most constrained /boot/loader env is BIOS booting on x86, where 102# our text + data + BTX have to fit into 640k below the ISA hole. 103# Experience has shown that problems arise between ~520k to ~530k. 104CFLAGS.clang+= -Oz 105CFLAGS.gcc+= -Os 106CFLAGS+= -ffunction-sections -fdata-sections 107.endif 108 109# GELI Support, with backward compat hooks (mostly) 110.if defined(LOADER_NO_GELI_SUPPORT) 111MK_LOADER_GELI=no 112.warning "Please move from LOADER_NO_GELI_SUPPORT to WITHOUT_LOADER_GELI" 113.endif 114.if defined(LOADER_GELI_SUPPORT) 115MK_LOADER_GELI=yes 116.warning "Please move from LOADER_GELI_SUPPORT to WITH_LOADER_GELI" 117.endif 118.if ${MK_LOADER_GELI} == "yes" 119CFLAGS+= -DLOADER_GELI_SUPPORT 120CFLAGS+= -I${SASRC}/geli 121.endif # MK_LOADER_GELI 122 123# These should be confined to loader.mk, but can't because uboot/lib 124# also uses it. It's part of loader, but isn't a loader so we can't 125# just include loader.mk 126.if ${LOADER_DISK_SUPPORT:Uyes} == "yes" 127CFLAGS+= -DLOADER_DISK_SUPPORT 128.endif 129 130# Machine specific flags for all builds here 131 132# Ensure PowerPC64 and PowerPC64LE boot loaders are compiled as 32 bit. 133# PowerPC64LE boot loaders are 32-bit little-endian. 134.if ${MACHINE_ARCH} == "powerpc64" 135CFLAGS+= -m32 -mcpu=powerpc -mbig-endian 136.elif ${MACHINE_ARCH} == "powerpc64le" 137CFLAGS+= -m32 -mcpu=powerpc -mlittle-endian 138.endif 139 140.if ${MACHINE_ARCH} == "amd64" && ${DO32:U0} == 1 141CFLAGS+= -m32 142# LD_FLAGS is passed directly to ${LD}, not via ${CC}: 143LD_FLAGS+= -m elf_i386_fbsd 144AFLAGS+= --32 145.endif 146 147# Add in the no float / no SIMD stuff and announce we're freestanding 148# aarch64 and riscv don't have -msoft-float, but all others do. 149CFLAGS+= -ffreestanding ${CFLAGS_NO_SIMD} 150.if ${MACHINE_CPUARCH} == "aarch64" 151CFLAGS+= -mgeneral-regs-only -ffixed-x18 -fPIC 152.elif ${MACHINE_CPUARCH} == "riscv" 153CFLAGS+= -march=rv64imac -mabi=lp64 -fPIC 154CFLAGS.clang+= -mcmodel=medium 155CFLAGS.gcc+= -mcmodel=medany 156.else 157CFLAGS+= -msoft-float 158.endif 159 160# -msoft-float seems to be insufficient for powerpcspe 161.if ${MACHINE_ARCH} == "powerpcspe" 162CFLAGS+= -mno-spe 163.endif 164 165.if ${MACHINE_CPUARCH} == "i386" || (${MACHINE_CPUARCH} == "amd64" && ${DO32:U0} == 1) 166CFLAGS+= -march=i386 167CFLAGS.gcc+= -mpreferred-stack-boundary=2 168.endif 169.if ${MACHINE_CPUARCH} == "amd64" && ${DO32:U0} == 0 170CFLAGS+= -fPIC -mno-red-zone 171.endif 172 173.if ${MACHINE_CPUARCH} == "arm" 174# Do not generate movt/movw, because the relocation fixup for them does not 175# translate to the -Bsymbolic -pie format required by self_reloc() in loader(8). 176# Also, the fpu is not available in a standalone environment. 177CFLAGS.clang+= -mno-movt 178CFLAGS.clang+= -mfpu=none 179CFLAGS+= -fPIC 180.endif 181 182# Some RISC-V linkers have support for relaxations, while some (lld) do not 183# yet. If this is the case we inhibit the compiler from emitting relaxations. 184.if ${LINKER_FEATURES:Mriscv-relaxations} == "" 185CFLAGS+= -mno-relax 186.endif 187 188# The boot loader build uses dd status=none, where possible, for reproducible 189# build output (since performance varies from run to run). Trouble is that 190# option was recently (10.3) added to FreeBSD and is non-standard. Only use it 191# when this test succeeds rather than require dd to be a bootstrap tool. 192DD_NOSTATUS!=(dd status=none count=0 2> /dev/null && echo status=none) || true 193DD=dd ${DD_NOSTATUS} 194 195# 196# Have a sensible default 197# 198.if ${MK_LOADER_LUA} == "yes" 199LOADER_DEFAULT_INTERP?=lua 200.elif ${MK_FORTH} == "yes" 201LOADER_DEFAULT_INTERP?=4th 202.else 203LOADER_DEFAULT_INTERP?=simp 204.endif 205LOADER_INTERP?=${LOADER_DEFAULT_INTERP} 206 207# Make sure we use the machine link we're about to create 208CFLAGS+=-I. 209 210all: ${PROG} 211 212CLEANFILES+= teken_state.h 213teken.c: teken_state.h 214 215teken_state.h: ${SYSDIR}/teken/sequences 216 awk -f ${SYSDIR}/teken/gensequences \ 217 ${SYSDIR}/teken/sequences > teken_state.h 218 219.if !defined(NO_OBJ) 220_ILINKS=include/machine 221.if ${MACHINE} != ${MACHINE_CPUARCH} && ${MACHINE} != "arm64" 222_ILINKS+=include/${MACHINE_CPUARCH} 223.endif 224.if ${MACHINE_CPUARCH} == "i386" || ${MACHINE_CPUARCH} == "amd64" 225_ILINKS+=include/x86 226.endif 227CFLAGS+= -Iinclude 228CLEANDIRS+= include 229 230beforedepend: ${_ILINKS} 231beforebuild: ${_ILINKS} 232 233# Ensure that the links exist without depending on it when it exists which 234# causes all the modules to be rebuilt when the directory pointed to changes. 235.for _link in ${_ILINKS} 236.if !exists(${.OBJDIR}/${_link}) 237${OBJS}: ${_link} 238.endif # _link exists 239.endfor 240 241.NOPATH: ${_ILINKS} 242 243${_ILINKS}: .NOMETA 244 @case ${.TARGET:T} in \ 245 machine) \ 246 if [ ${DO32:U0} -eq 0 ]; then \ 247 path=${SYSDIR}/${MACHINE}/include ; \ 248 else \ 249 path=${SYSDIR}/${MACHINE:C/amd64/i386/}/include ; \ 250 fi ;; \ 251 *) \ 252 path=${SYSDIR}/${.TARGET:T}/include ;; \ 253 esac ; \ 254 case ${.TARGET} in \ 255 */*) mkdir -p ${.TARGET:H};; \ 256 esac ; \ 257 path=`(cd $$path && /bin/pwd)` ; \ 258 ${ECHO} ${.TARGET} "->" $$path ; \ 259 ln -fns $$path ${.TARGET} 260.endif # !NO_OBJ 261.endif # __BOOT_DEFS_MK__ 262