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 43EFIINCMD= ${EFIINC}/${MACHINE} 44FDTSRC= ${BOOTSRC}/fdt 45FICLSRC= ${BOOTSRC}/ficl 46LDRSRC= ${BOOTSRC}/common 47LIBLUASRC= ${BOOTSRC}/liblua 48LIBOFWSRC= ${BOOTSRC}/libofw 49LUASRC= ${SRCTOP}/contrib/lua/src 50SASRC= ${BOOTSRC}/libsa 51SYSDIR= ${SRCTOP}/sys 52UBOOTSRC= ${BOOTSRC}/uboot 53ZFSSRC= ${SASRC}/zfs 54OZFS= ${SRCTOP}/sys/contrib/openzfs 55ZFSOSSRC= ${OZFS}/module/os/freebsd/ 56ZFSOSINC= ${OZFS}/include/os/freebsd 57LIBCSRC= ${SRCTOP}/lib/libc 58 59BOOTOBJ= ${OBJTOP}/stand 60 61# BINDIR is where we install 62BINDIR?= /boot 63 64# LUAPATH is where we search for and install lua scripts. 65LUAPATH?= /boot/lua 66FLUASRC?= ${SRCTOP}/libexec/flua 67FLUALIB?= ${SRCTOP}/lib/flua 68 69LIBSA= ${BOOTOBJ}/libsa/libsa.a 70.if ${MACHINE} == "i386" 71LIBSA32= ${LIBSA} 72.else 73LIBSA32= ${BOOTOBJ}/libsa32/libsa32.a 74.endif 75 76# Standard options: 77CFLAGS+= -nostdinc 78# Allow CFLAGS_EARLY.file/target so that code that needs specific stack 79# of include paths can set them up before our include paths. Normally 80# the only thing that should be there are -I directives, and as few of 81# those as possible. 82CFLAGS+= ${CFLAGS_EARLY} ${CFLAGS_EARLY.${.IMPSRC:T}} ${CFLAGS_EARLY.${.TARGET:T}} 83.if ${MACHINE_ARCH} == "amd64" && ${DO32:U0} == 1 84CFLAGS+= -I${BOOTOBJ}/libsa32 85.else 86CFLAGS+= -I${BOOTOBJ}/libsa 87.endif 88CFLAGS+= -I${SASRC} -D_STANDALONE 89CFLAGS+= -I${SYSDIR} 90# Spike the floating point interfaces 91CFLAGS+= -Ddouble=jagged-little-pill -Dfloat=floaty-mcfloatface 92.if ${MACHINE_ARCH} == "i386" || ${MACHINE_ARCH} == "amd64" 93# Slim down the image. This saves about 15% in size with clang 6 on x86 94# Our most constrained /boot/loader env is BIOS booting on x86, where 95# our text + data + BTX have to fit into 640k below the ISA hole. 96# Experience has shown that problems arise between ~520k to ~530k. 97CFLAGS.clang+= -Oz 98CFLAGS.gcc+= -Os 99CFLAGS+= -ffunction-sections -fdata-sections 100.endif 101 102# GELI Support, with backward compat hooks (mostly) 103.if defined(LOADER_NO_GELI_SUPPORT) 104MK_LOADER_GELI=no 105.warning "Please move from LOADER_NO_GELI_SUPPORT to WITHOUT_LOADER_GELI" 106.endif 107.if defined(LOADER_GELI_SUPPORT) 108MK_LOADER_GELI=yes 109.warning "Please move from LOADER_GELI_SUPPORT to WITH_LOADER_GELI" 110.endif 111.if ${MK_LOADER_GELI} == "yes" 112CFLAGS+= -DLOADER_GELI_SUPPORT 113CFLAGS+= -I${SASRC}/geli 114.endif # MK_LOADER_GELI 115 116# These should be confined to loader.mk, but can't because uboot/lib 117# also uses it. It's part of loader, but isn't a loader so we can't 118# just include loader.mk 119.if ${LOADER_DISK_SUPPORT:Uyes} == "yes" 120CFLAGS+= -DLOADER_DISK_SUPPORT 121.endif 122 123# Machine specific flags for all builds here 124 125# Ensure PowerPC64 and PowerPC64LE boot loaders are compiled as 32 bit. 126# PowerPC64LE boot loaders are 32-bit little-endian. 127.if ${MACHINE_ARCH} == "powerpc64" 128CFLAGS+= -m32 -mcpu=powerpc -mbig-endian 129.elif ${MACHINE_ARCH} == "powerpc64le" 130CFLAGS+= -m32 -mcpu=powerpc -mlittle-endian 131.endif 132 133# For amd64, there's a bit of mixed bag. Some of the tree (i386, lib*32) is 134# build 32-bit and some 64-bit (lib*, efi). Centralize all the 32-bit magic here 135# and activate it when DO32 is explicitly defined to be 1. 136.if ${MACHINE_ARCH} == "amd64" && ${DO32:U0} == 1 137CFLAGS+= -m32 138# LD_FLAGS is passed directly to ${LD}, not via ${CC}: 139LD_FLAGS+= -m elf_i386_fbsd 140AFLAGS+= --32 141.endif 142 143# Add in the no float / no SIMD stuff and announce we're freestanding 144# aarch64 and riscv don't have -msoft-float, but all others do. 145CFLAGS+= -ffreestanding ${CFLAGS_NO_SIMD} 146.if ${MACHINE_CPUARCH} == "aarch64" 147CFLAGS+= -mgeneral-regs-only -ffixed-x18 -fPIC 148.elif ${MACHINE_CPUARCH} == "riscv" 149CFLAGS+= -march=rv64imac -mabi=lp64 -fPIC 150CFLAGS.clang+= -mcmodel=medium 151CFLAGS.gcc+= -mcmodel=medany 152.else 153CFLAGS+= -msoft-float 154.endif 155 156# -msoft-float seems to be insufficient for powerpcspe 157.if ${MACHINE_ARCH} == "powerpcspe" 158CFLAGS+= -mno-spe 159.endif 160 161.if ${MACHINE_CPUARCH} == "i386" || (${MACHINE_CPUARCH} == "amd64" && ${DO32:U0} == 1) 162CFLAGS+= -march=i386 163CFLAGS.gcc+= -mpreferred-stack-boundary=2 164.endif 165.if ${MACHINE_CPUARCH} == "amd64" && ${DO32:U0} == 0 166CFLAGS+= -fPIC -mno-red-zone 167.endif 168 169.if ${MACHINE_CPUARCH} == "arm" 170# Do not generate movt/movw, because the relocation fixup for them does not 171# translate to the -Bsymbolic -pie format required by self_reloc() in loader(8). 172# Also, the fpu is not available in a standalone environment. 173CFLAGS.clang+= -mno-movt 174CFLAGS.clang+= -mfpu=none 175CFLAGS+= -fPIC 176.endif 177 178# Some RISC-V linkers have support for relaxations, while some (lld) do not 179# yet. If this is the case we inhibit the compiler from emitting relaxations. 180.if ${LINKER_FEATURES:Mriscv-relaxations} == "" 181CFLAGS+= -mno-relax 182.endif 183 184# The boot loader build uses dd status=none, where possible, for reproducible 185# build output (since performance varies from run to run). Trouble is that 186# option was recently (10.3) added to FreeBSD and is non-standard. Only use it 187# when this test succeeds rather than require dd to be a bootstrap tool. 188DD_NOSTATUS!=(dd status=none count=0 2> /dev/null && echo status=none) || true 189DD=dd ${DD_NOSTATUS} 190 191# 192# Have a sensible default 193# 194.if ${MK_LOADER_LUA} == "yes" 195LOADER_DEFAULT_INTERP?=lua 196.elif ${MK_FORTH} == "yes" 197LOADER_DEFAULT_INTERP?=4th 198.else 199LOADER_DEFAULT_INTERP?=simp 200.endif 201LOADER_INTERP?=${LOADER_DEFAULT_INTERP} 202 203# Make sure we use the machine link we're about to create 204CFLAGS+=-I. 205 206all: ${PROG} 207 208CLEANFILES+= teken_state.h 209teken.c: teken_state.h 210 211teken_state.h: ${SYSDIR}/teken/sequences 212 awk -f ${SYSDIR}/teken/gensequences \ 213 ${SYSDIR}/teken/sequences > teken_state.h 214 215.if !defined(NO_OBJ) 216_ILINKS=include/machine 217.if ${MACHINE} != ${MACHINE_CPUARCH} && ${MACHINE} != "arm64" 218_ILINKS+=include/${MACHINE_CPUARCH} 219.endif 220.if ${MACHINE_CPUARCH} == "i386" || ${MACHINE_CPUARCH} == "amd64" 221_ILINKS+=include/x86 222.endif 223CFLAGS+= -Iinclude 224CLEANDIRS+= include 225 226beforedepend: ${_ILINKS} 227beforebuild: ${_ILINKS} 228 229# Ensure that the links exist without depending on it when it exists which 230# causes all the modules to be rebuilt when the directory pointed to changes. 231.for _link in ${_ILINKS} 232.if !exists(${.OBJDIR}/${_link}) 233${OBJS}: ${_link} 234.endif # _link exists 235.endfor 236 237.NOPATH: ${_ILINKS} 238 239${_ILINKS}: .NOMETA 240 @case ${.TARGET:T} in \ 241 machine) \ 242 if [ ${DO32:U0} -eq 0 ]; then \ 243 path=${SYSDIR}/${MACHINE}/include ; \ 244 else \ 245 path=${SYSDIR}/${MACHINE:C/amd64/i386/}/include ; \ 246 fi ;; \ 247 *) \ 248 path=${SYSDIR}/${.TARGET:T}/include ;; \ 249 esac ; \ 250 case ${.TARGET} in \ 251 */*) mkdir -p ${.TARGET:H};; \ 252 esac ; \ 253 path=`(cd $$path && /bin/pwd)` ; \ 254 ${ECHO} ${.TARGET} "->" $$path ; \ 255 ln -fns $$path ${.TARGET} 256.endif # !NO_OBJ 257.endif # __BOOT_DEFS_MK__ 258