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