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