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