1# $FreeBSD$ 2 3.if !defined(__BOOT_DEFS_MK__) 4__BOOT_DEFS_MK__=${MFILE} 5 6# We need to define all the MK_ options before including src.opts.mk 7# because it includes bsd.own.mk which needs the right MK_ values, 8# espeically MK_CTF. 9 10MK_CTF= no 11MK_SSP= no 12MK_PROFILE= no 13MAN= 14.if !defined(PIC) 15NO_PIC= 16INTERNALLIB= 17.endif 18 19.include <src.opts.mk> 20.include <bsd.linker.mk> 21 22WARNS?= 1 23 24BOOTSRC= ${SRCTOP}/stand 25EFISRC= ${BOOTSRC}/efi 26EFIINC= ${EFISRC}/include 27EFIINCMD= ${EFIINC}/${MACHINE} 28FDTSRC= ${BOOTSRC}/fdt 29FICLSRC= ${BOOTSRC}/ficl 30LDRSRC= ${BOOTSRC}/common 31LIBLUASRC= ${BOOTSRC}/liblua 32LIBOFWSRC= ${BOOTSRC}/libofw 33LUASRC= ${SRCTOP}/contrib/lua/src 34SASRC= ${BOOTSRC}/libsa 35SYSDIR= ${SRCTOP}/sys 36UBOOTSRC= ${BOOTSRC}/uboot 37ZFSSRC= ${SASRC}/zfs 38LIBCSRC= ${SRCTOP}/lib/libc 39 40BOOTOBJ= ${OBJTOP}/stand 41 42# BINDIR is where we install 43BINDIR?= /boot 44 45# LUAPATH is where we search for and install lua scripts. 46LUAPATH?= /boot/lua 47FLUASRC?= ${SRCTOP}/libexec/flua 48 49LIBSA= ${BOOTOBJ}/libsa/libsa.a 50.if ${MACHINE} == "i386" 51LIBSA32= ${LIBSA} 52.else 53LIBSA32= ${BOOTOBJ}/libsa32/libsa32.a 54.endif 55 56# Standard options: 57CFLAGS+= -nostdinc 58.if ${MACHINE_ARCH} == "amd64" && ${DO32:U0} == 1 59CFLAGS+= -I${BOOTOBJ}/libsa32 60.else 61CFLAGS+= -I${BOOTOBJ}/libsa 62.endif 63CFLAGS+= -I${SASRC} -D_STANDALONE 64CFLAGS+= -I${SYSDIR} 65# Spike the floating point interfaces 66CFLAGS+= -Ddouble=jagged-little-pill -Dfloat=floaty-mcfloatface 67.if ${MACHINE_ARCH} == "i386" || ${MACHINE_ARCH} == "amd64" 68# Slim down the image. This saves about 15% in size with clang 6 on x86 69# Our most constrained /boot/loader env is BIOS booting on x86, where 70# our text + data + BTX have to fit into 640k below the ISA hole. 71# Experience has shown that problems arise between ~520k to ~530k. 72CFLAGS.clang+= -Oz 73CFLAGS.gcc+= -Os 74CFLAGS+= -ffunction-sections -fdata-sections 75.endif 76 77# GELI Support, with backward compat hooks (mostly) 78.if defined(LOADER_NO_GELI_SUPPORT) 79MK_LOADER_GELI=no 80.warning "Please move from LOADER_NO_GELI_SUPPORT to WITHOUT_LOADER_GELI" 81.endif 82.if defined(LOADER_GELI_SUPPORT) 83MK_LOADER_GELI=yes 84.warning "Please move from LOADER_GELI_SUPPORT to WITH_LOADER_GELI" 85.endif 86.if ${MK_LOADER_GELI} == "yes" 87CFLAGS+= -DLOADER_GELI_SUPPORT 88CFLAGS+= -I${SASRC}/geli 89.endif # MK_LOADER_GELI 90 91# These should be confined to loader.mk, but can't because uboot/lib 92# also uses it. It's part of loader, but isn't a loader so we can't 93# just include loader.mk 94.if ${LOADER_DISK_SUPPORT:Uyes} == "yes" 95CFLAGS+= -DLOADER_DISK_SUPPORT 96.endif 97 98# Machine specific flags for all builds here 99 100# All PowerPC builds are 32 bit. We have no 64-bit loaders on powerpc 101# or powerpc64. 102.if ${MACHINE_ARCH} == "powerpc64" 103CFLAGS+= -m32 -mcpu=powerpc 104.endif 105 106# For amd64, there's a bit of mixed bag. Some of the tree (i386, lib*32) is 107# build 32-bit and some 64-bit (lib*, efi). Centralize all the 32-bit magic here 108# and activate it when DO32 is explicitly defined to be 1. 109.if ${MACHINE_ARCH} == "amd64" && ${DO32:U0} == 1 110CFLAGS+= -m32 111# LD_FLAGS is passed directly to ${LD}, not via ${CC}: 112LD_FLAGS+= -m elf_i386_fbsd 113AFLAGS+= --32 114.endif 115 116SSP_CFLAGS= 117 118# Add in the no float / no SIMD stuff and announce we're freestanding 119# aarch64 and riscv don't have -msoft-float, but all others do. 120CFLAGS+= -ffreestanding ${CFLAGS_NO_SIMD} 121.if ${MACHINE_CPUARCH} == "aarch64" 122CFLAGS+= -mgeneral-regs-only -ffixed-x18 -fPIC 123.elif ${MACHINE_CPUARCH} == "riscv" 124CFLAGS+= -march=rv64imac -mabi=lp64 -fPIC 125CFLAGS.clang+= -mcmodel=medium 126CFLAGS.gcc+= -mcmodel=medany 127.else 128CFLAGS+= -msoft-float 129.endif 130 131# -msoft-float seems to be insufficient for powerpcspe 132.if ${MACHINE_ARCH} == "powerpcspe" 133CFLAGS+= -mno-spe 134.endif 135 136.if ${MACHINE_CPUARCH} == "i386" || (${MACHINE_CPUARCH} == "amd64" && ${DO32:U0} == 1) 137CFLAGS+= -march=i386 138CFLAGS.gcc+= -mpreferred-stack-boundary=2 139.endif 140.if ${MACHINE_CPUARCH} == "amd64" && ${DO32:U0} == 0 141CFLAGS+= -fPIC -mno-red-zone 142.endif 143 144.if ${MACHINE_CPUARCH} == "arm" 145# Do not generate movt/movw, because the relocation fixup for them does not 146# translate to the -Bsymbolic -pie format required by self_reloc() in loader(8). 147# Also, the fpu is not available in a standalone environment. 148CFLAGS.clang+= -mno-movt 149CFLAGS.clang+= -mfpu=none 150CFLAGS+= -fPIC 151.endif 152 153# Some RISC-V linkers have support for relaxations, while some (lld) do not 154# yet. If this is the case we inhibit the compiler from emitting relaxations. 155.if ${LINKER_FEATURES:Mriscv-relaxations} == "" 156CFLAGS+= -mno-relax 157.endif 158 159# The boot loader build uses dd status=none, where possible, for reproducible 160# build output (since performance varies from run to run). Trouble is that 161# option was recently (10.3) added to FreeBSD and is non-standard. Only use it 162# when this test succeeds rather than require dd to be a bootstrap tool. 163DD_NOSTATUS!=(dd status=none count=0 2> /dev/null && echo status=none) || true 164DD=dd ${DD_NOSTATUS} 165 166.if ${MACHINE_CPUARCH} == "mips" 167CFLAGS+= -G0 -fno-pic -mno-abicalls 168.endif 169 170.if ${MK_LOADER_FORCE_LE} != "no" 171.if ${MACHINE_ARCH} == "powerpc64" 172CFLAGS+= -mlittle-endian 173.endif 174.endif 175 176# 177# Have a sensible default 178# 179.if ${MK_LOADER_LUA} == "yes" 180LOADER_DEFAULT_INTERP?=lua 181.elif ${MK_FORTH} == "yes" 182LOADER_DEFAULT_INTERP?=4th 183.else 184LOADER_DEFAULT_INTERP?=simp 185.endif 186LOADER_INTERP?=${LOADER_DEFAULT_INTERP} 187 188# Make sure we use the machine link we're about to create 189CFLAGS+=-I. 190 191all: ${PROG} 192 193CLEANFILES+= teken_state.h 194teken.c: teken_state.h 195 196teken_state.h: ${SYSDIR}/teken/sequences 197 awk -f ${SYSDIR}/teken/gensequences \ 198 ${SYSDIR}/teken/sequences > teken_state.h 199 200.if !defined(NO_OBJ) 201_ILINKS=include/machine 202.if ${MACHINE} != ${MACHINE_CPUARCH} && ${MACHINE} != "arm64" 203_ILINKS+=include/${MACHINE_CPUARCH} 204.endif 205.if ${MACHINE_CPUARCH} == "i386" || ${MACHINE_CPUARCH} == "amd64" 206_ILINKS+=include/x86 207.endif 208CFLAGS+= -Iinclude 209CLEANDIRS+= include 210 211beforedepend: ${_ILINKS} 212beforebuild: ${_ILINKS} 213 214# Ensure that the links exist without depending on it when it exists which 215# causes all the modules to be rebuilt when the directory pointed to changes. 216.for _link in ${_ILINKS} 217.if !exists(${.OBJDIR}/${_link}) 218${OBJS}: ${_link} 219.endif # _link exists 220.endfor 221 222.NOPATH: ${_ILINKS} 223 224${_ILINKS}: .NOMETA 225 @case ${.TARGET:T} in \ 226 machine) \ 227 if [ ${DO32:U0} -eq 0 ]; then \ 228 path=${SYSDIR}/${MACHINE}/include ; \ 229 else \ 230 path=${SYSDIR}/${MACHINE:C/amd64/i386/}/include ; \ 231 fi ;; \ 232 *) \ 233 path=${SYSDIR}/${.TARGET:T}/include ;; \ 234 esac ; \ 235 case ${.TARGET} in \ 236 */*) mkdir -p ${.TARGET:H};; \ 237 esac ; \ 238 path=`(cd $$path && /bin/pwd)` ; \ 239 ${ECHO} ${.TARGET} "->" $$path ; \ 240 ln -fhs $$path ${.TARGET} 241.endif # !NO_OBJ 242.endif # __BOOT_DEFS_MK__ 243