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_PIE= no 14MK_RETPOLINE= no 15MK_ZEROREGS= no 16MAN= 17.if !defined(PIC) 18NO_PIC= 19INTERNALLIB= 20.endif 21# Should be NO_CPU_FLAGS, but bsd.cpu.mk is included too early in bsd.init.mk 22# via the early include of bsd.opts.mk. Moving Makefile.inc include earlier in 23# that file causes weirdness, so this is the next best thing. We need to do this 24# because the loader needs very specific flags to work right, and things like 25# CPUTYPE?=native prevent that, and introduce an endless game of whack-a-mole 26# to disable more and more features. Boot loader performance is never improved 27# enough to make that hassle worth chasing. 28_CPUCFLAGS= 29 30.if ${LDFLAGS:M-nostdlib} 31# Sanitizers won't work unless we link against libc (e.g. in userboot/test). 32MK_ASAN:= no 33MK_UBSAN:= no 34.endif 35 36.include <src.opts.mk> 37.include <bsd.linker.mk> 38 39WARNS?= 1 40 41BOOTSRC= ${SRCTOP}/stand 42EDK2INC= ${SYSDIR}/contrib/edk2/Include 43EFISRC= ${BOOTSRC}/efi 44EFIINC= ${EFISRC}/include 45# For amd64, there's a bit of mixed bag. Some of the tree (i386, lib*32) is 46# built 32-bit and some 64-bit (lib*, efi). Centralize all the 32-bit magic here 47# and activate it when DO32 is explicitly defined to be 1. 48.if ${MACHINE_ARCH} == "amd64" && ${DO32:U0} == 1 49EFIINCMD= ${EFIINC}/i386 50.else 51EFIINCMD= ${EFIINC}/${MACHINE} 52.endif 53FDTSRC= ${BOOTSRC}/fdt 54FICLSRC= ${BOOTSRC}/ficl 55LDRSRC= ${BOOTSRC}/common 56LIBLUASRC= ${BOOTSRC}/liblua 57LIBOFWSRC= ${BOOTSRC}/libofw 58LUASRC= ${SRCTOP}/contrib/lua/src 59SASRC= ${BOOTSRC}/libsa 60SAZFSSRC= ${SASRC}/zfs 61SYSDIR= ${SRCTOP}/sys 62UBOOTSRC= ${BOOTSRC}/uboot 63ZFSOSSRC= ${ZFSTOP}/module/os/freebsd/ 64ZFSOSINC= ${ZFSTOP}/include/os/freebsd 65LIBCSRC= ${SRCTOP}/lib/libc 66 67BOOTOBJ= ${OBJTOP}/stand 68 69# BINDIR is where we install 70BINDIR?= /boot 71 72# LUAPATH is where we search for and install lua scripts. 73LUAPATH?= /boot/lua 74FLUASRC?= ${SRCTOP}/libexec/flua 75FLUALIB?= ${SRCTOP}/libexec/flua 76 77LIBSA= ${BOOTOBJ}/libsa/libsa.a 78.if ${MACHINE} == "i386" 79LIBSA32= ${LIBSA} 80.else 81LIBSA32= ${BOOTOBJ}/${"${LOADER}" == "loader_ia32":?efi/libsa32efi:libsa32}/libsa32.a 82.endif 83 84# Standard options: 85CFLAGS+= -nostdinc 86# Allow CFLAGS_EARLY.file/target so that code that needs specific stack 87# of include paths can set them up before our include paths. Normally 88# the only thing that should be there are -I directives, and as few of 89# those as possible. 90CFLAGS+= ${CFLAGS_EARLY} ${CFLAGS_EARLY.${.IMPSRC:T}} ${CFLAGS_EARLY.${.TARGET:T}} 91.if ${MACHINE_ARCH} == "amd64" && ${DO32:U0} == 1 92CFLAGS+= -I${BOOTOBJ}/libsa32 93.else 94CFLAGS+= -I${BOOTOBJ}/libsa 95.endif 96CFLAGS+= -I${SASRC} -D_STANDALONE 97CFLAGS+= -I${SYSDIR} 98# Spike the floating point interfaces 99CFLAGS+= -Ddouble=jagged-little-pill -Dfloat=floaty-mcfloatface 100.if ${MACHINE_ARCH} == "i386" || ${MACHINE_ARCH} == "amd64" 101# Slim down the image. This saves about 15% in size with clang 6 on x86 102# Our most constrained /boot/loader env is BIOS booting on x86, where 103# our text + data + BTX have to fit into 640k below the ISA hole. 104# Experience has shown that problems arise between ~520k to ~530k. 105CFLAGS.clang+= -Oz 106CFLAGS.gcc+= -Os 107CFLAGS+= -ffunction-sections -fdata-sections 108.endif 109 110# GELI Support, with backward compat hooks (mostly) 111.if defined(LOADER_NO_GELI_SUPPORT) 112MK_LOADER_GELI=no 113.warning "Please move from LOADER_NO_GELI_SUPPORT to WITHOUT_LOADER_GELI" 114.endif 115.if defined(LOADER_GELI_SUPPORT) 116MK_LOADER_GELI=yes 117.warning "Please move from LOADER_GELI_SUPPORT to WITH_LOADER_GELI" 118.endif 119.if ${MK_LOADER_GELI} == "yes" 120CFLAGS+= -DLOADER_GELI_SUPPORT 121CFLAGS+= -I${SASRC}/geli 122.endif # MK_LOADER_GELI 123 124# These should be confined to loader.mk, but can't because uboot/lib 125# also uses it. It's part of loader, but isn't a loader so we can't 126# just include loader.mk 127.if ${LOADER_DISK_SUPPORT:Uyes} == "yes" 128CFLAGS+= -DLOADER_DISK_SUPPORT 129.endif 130.if ${LOADER_NET_SUPPORT:Uno} == "yes" 131CFLAGS+= -DLOADER_NET_SUPPORT 132.endif 133.if ${LOADER_MD_SUPPORT:Uno} == "yes" 134CFLAGS+= -DLOADER_MD_SUPPORT 135.endif 136 137# Machine specific flags for all builds here 138 139# Ensure PowerPC64 and PowerPC64LE boot loaders are compiled as 32 bit. 140# PowerPC64LE boot loaders are 32-bit little-endian. 141.if ${MACHINE_ARCH} == "powerpc64" 142CFLAGS+= -m32 -mcpu=powerpc -mbig-endian 143.elif ${MACHINE_ARCH} == "powerpc64le" 144CFLAGS+= -m32 -mcpu=powerpc -mlittle-endian 145.endif 146 147.if ${MACHINE_ARCH} == "amd64" && ${DO32:U0} == 1 148CFLAGS+= -m32 149# LD_FLAGS is passed directly to ${LD}, not via ${CC}: 150LD_FLAGS+= -m elf_i386_fbsd 151AFLAGS+= --32 152.endif 153 154# Add in the no float / no SIMD stuff and announce we're freestanding 155# aarch64 and riscv don't have -msoft-float, but all others do. 156CFLAGS+= -ffreestanding ${CFLAGS_NO_SIMD} 157.if ${MACHINE_CPUARCH} == "aarch64" 158CFLAGS+= -mgeneral-regs-only -ffixed-x18 -fPIC 159.elif ${MACHINE_CPUARCH} == "riscv" 160CFLAGS+= -march=rv64imac -mabi=lp64 -fPIC 161CFLAGS.clang+= -mcmodel=medium 162CFLAGS.gcc+= -mcmodel=medany 163.else 164CFLAGS+= -msoft-float 165.endif 166 167.if ${MACHINE_CPUARCH} == "i386" || (${MACHINE_CPUARCH} == "amd64" && ${DO32:U0} == 1) 168CFLAGS+= -march=i386 169CFLAGS.gcc+= -mpreferred-stack-boundary=2 170.endif 171.if ${MACHINE_CPUARCH} == "amd64" && ${DO32:U0} == 0 172CFLAGS+= -fPIC -mno-red-zone 173.endif 174 175.if ${MACHINE_CPUARCH} == "arm" 176# Do not generate movt/movw, because the relocation fixup for them does not 177# translate to the -Bsymbolic -pie format required by self_reloc() in loader(8). 178# Also, the fpu is not available in a standalone environment. 179CFLAGS.clang+= -mno-movt 180CFLAGS.clang+= -mfpu=none 181CFLAGS+= -fPIC 182.endif 183 184# Some RISC-V linkers have support for relaxations, while some (lld) do not 185# yet. If this is the case we inhibit the compiler from emitting relaxations. 186.if ${LINKER_FEATURES:Mriscv-relaxations} == "" 187CFLAGS+= -mno-relax 188.endif 189 190# ZLIB flags 191ZLIB_CFLAGS=-DHAVE_MEMCPY -I${SYSDIR}/contrib/zlib ${NO_WDEPRECATED_NON_PROTOTYPE} 192 193# BZIP2 flags 194BZIP2_CFLAGS=-I${SRCTOP}/contrib/bzip2 -DBZ_NO_STDIO -DBZ_NO_COMPRESS 195 196# ZSTD client cflags 197ZSTD_CFLAGS=-I${SYSDIR}/contrib/zstd/lib 198 199# XZ flags 200XZ_DIR=${SRCTOP}/sys/contrib/xz-embedded 201XZ_CFLAGS=-DXZ_USE_CRC64 -I${XZ_DIR}/freebsd -I${XZ_DIR}/linux/include/linux 202 203 204# The boot loader build uses dd status=none, where possible, for reproducible 205# build output (since performance varies from run to run). Trouble is that 206# option was recently (10.3) added to FreeBSD and is non-standard. Only use it 207# when this test succeeds rather than require dd to be a bootstrap tool. 208DD_NOSTATUS!=(dd status=none count=0 2> /dev/null && echo status=none) || true 209DD=dd ${DD_NOSTATUS} 210 211# 212# Have a sensible default 213# 214.if ${MK_LOADER_LUA} == "yes" 215LOADER_DEFAULT_INTERP?=lua 216.elif ${MK_FORTH} == "yes" 217LOADER_DEFAULT_INTERP?=4th 218.else 219LOADER_DEFAULT_INTERP?=simp 220.endif 221LOADER_INTERP?=${LOADER_DEFAULT_INTERP} 222 223# Make sure we use the machine link we're about to create 224CFLAGS+=-I. 225 226.include "${BOOTSRC}/veriexec.mk" 227 228all: ${PROG} 229 230CLEANFILES+= teken_state.h 231teken.c: teken_state.h 232 233teken_state.h: ${SYSDIR}/teken/sequences 234 awk -f ${SYSDIR}/teken/gensequences \ 235 ${SYSDIR}/teken/sequences > teken_state.h 236 237.if !defined(NO_OBJ) 238_ILINKS=include/machine 239.if ${MACHINE} != ${MACHINE_CPUARCH} && ${MACHINE} != "arm64" 240_ILINKS+=include/${MACHINE_CPUARCH} 241.endif 242.if ${MACHINE_CPUARCH} == "i386" || ${MACHINE_CPUARCH} == "amd64" 243_ILINKS+=include/x86 244.endif 245CFLAGS+= -Iinclude 246CLEANDIRS+= include 247 248beforedepend: ${_ILINKS} 249beforebuild: ${_ILINKS} 250 251# Ensure that the links exist without depending on it when it exists which 252# causes all the modules to be rebuilt when the directory pointed to changes. 253.for _link in ${_ILINKS} 254.if !exists(${.OBJDIR}/${_link}) 255${OBJS}: ${_link} 256.endif # _link exists 257.endfor 258 259.NOPATH: ${_ILINKS} 260 261${_ILINKS}: .NOMETA 262 @case ${.TARGET:T} in \ 263 machine) \ 264 if [ ${DO32:U0} -eq 0 ]; then \ 265 path=${SYSDIR}/${MACHINE}/include ; \ 266 else \ 267 path=${SYSDIR}/${MACHINE:C/amd64/i386/}/include ; \ 268 fi ;; \ 269 *) \ 270 path=${SYSDIR}/${.TARGET:T}/include ;; \ 271 esac ; \ 272 case ${.TARGET} in \ 273 */*) mkdir -p ${.TARGET:H};; \ 274 esac ; \ 275 path=`(cd $$path && /bin/pwd)` ; \ 276 ${ECHO} ${.TARGET} "->" $$path ; \ 277 ln -fns $$path ${.TARGET} 278.endif # !NO_OBJ 279 280.-include "local.defs.mk" 281.endif # __BOOT_DEFS_MK__ 282