1# $FreeBSD: stable/11/stand/defs.mk 360614 2020-05-03 18:46:03Z dim $ 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 31LUASRC= ${SRCTOP}/contrib/lua/src 32SASRC= ${BOOTSRC}/libsa 33SYSDIR= ${SRCTOP}/sys 34UBOOTSRC= ${BOOTSRC}/uboot 35ZFSSRC= ${SASRC}/zfs 36LIBCSRC= ${SRCTOP}/lib/libc 37 38BOOTOBJ= ${OBJTOP}/stand 39 40# BINDIR is where we install 41BINDIR?= /boot 42 43# LUAPATH is where we search for and install lua scripts. 44LUAPATH?= /boot/lua 45FLUASRC?= ${SRCTOP}/libexec/flua 46 47LIBSA= ${BOOTOBJ}/libsa/libsa.a 48.if ${MACHINE} == "i386" 49LIBSA32= ${LIBSA} 50.else 51LIBSA32= ${BOOTOBJ}/libsa32/libsa32.a 52.endif 53 54# Standard options: 55CFLAGS+= -nostdinc 56.if ${MACHINE_ARCH} == "amd64" && ${DO32:U0} == 1 57CFLAGS+= -I${BOOTOBJ}/libsa32 58.else 59CFLAGS+= -I${BOOTOBJ}/libsa 60.endif 61CFLAGS+= -I${SASRC} -D_STANDALONE 62CFLAGS+= -I${SYSDIR} 63# Spike the floating point interfaces 64CFLAGS+= -Ddouble=jagged-little-pill -Dfloat=floaty-mcfloatface 65.if ${MACHINE_ARCH} == "i386" || ${MACHINE_ARCH} == "amd64" 66# Slim down the image. This saves about 15% in size with clang 6 on x86 67# Our most constrained /boot/loader env is BIOS booting on x86, where 68# our text + data + BTX have to fit into 640k below the ISA hole. 69# Experience has shown that problems arise between ~520k to ~530k. 70CFLAGS.clang+= -Oz 71CFLAGS.gcc+= -Os 72.endif 73 74# GELI Support, with backward compat hooks (mostly) 75.if defined(LOADER_NO_GELI_SUPPORT) 76MK_LOADER_GELI=no 77.warning "Please move from LOADER_NO_GELI_SUPPORT to WITHOUT_LOADER_GELI" 78.endif 79.if defined(LOADER_GELI_SUPPORT) 80MK_LOADER_GELI=yes 81.warning "Please move from LOADER_GELI_SUPPORT to WITH_LOADER_GELI" 82.endif 83.if ${MK_LOADER_GELI} == "yes" 84CFLAGS+= -DLOADER_GELI_SUPPORT 85CFLAGS+= -I${SASRC}/geli 86.endif # MK_LOADER_GELI 87 88# These should be confined to loader.mk, but can't because uboot/lib 89# also uses it. It's part of loader, but isn't a loader so we can't 90# just include loader.mk 91.if ${LOADER_DISK_SUPPORT:Uyes} == "yes" 92CFLAGS+= -DLOADER_DISK_SUPPORT 93.endif 94 95# Machine specific flags for all builds here 96 97# All PowerPC builds are 32 bit. We have no 64-bit loaders on powerpc 98# or powerpc64. 99.if ${MACHINE_ARCH} == "powerpc64" 100CFLAGS+= -m32 -mcpu=powerpc 101.endif 102 103# For amd64, there's a bit of mixed bag. Some of the tree (i386, lib*32) is 104# build 32-bit and some 64-bit (lib*, efi). Centralize all the 32-bit magic here 105# and activate it when DO32 is explicitly defined to be 1. 106.if ${MACHINE_ARCH} == "amd64" && ${DO32:U0} == 1 107CFLAGS+= -m32 108# LD_FLAGS is passed directly to ${LD}, not via ${CC}: 109LD_FLAGS+= -m elf_i386_fbsd 110AFLAGS+= --32 111.endif 112 113SSP_CFLAGS= 114 115# Add in the no float / no SIMD stuff and announce we're freestanding 116# aarch64 and riscv don't have -msoft-float, but all others do. riscv 117# currently has no /boot/loader, but may soon. 118CFLAGS+= -ffreestanding ${CFLAGS_NO_SIMD} 119.if ${MACHINE_CPUARCH} == "aarch64" 120CFLAGS+= -mgeneral-regs-only -fPIC 121.elif ${MACHINE_CPUARCH} == "riscv" 122CFLAGS+= -march=rv64imac -mabi=lp64 123.else 124CFLAGS+= -msoft-float 125.endif 126 127# -msoft-float seems to be insufficient for powerpcspe 128.if ${MACHINE_ARCH} == "powerpcspe" 129CFLAGS+= -mno-spe 130.endif 131 132.if ${MACHINE_CPUARCH} == "i386" || (${MACHINE_CPUARCH} == "amd64" && ${DO32:U0} == 1) 133CFLAGS+= -march=i386 134CFLAGS.gcc+= -mpreferred-stack-boundary=2 135.endif 136.if ${MACHINE_CPUARCH} == "amd64" && ${DO32:U0} == 0 137CFLAGS+= -fPIC -mno-red-zone 138.endif 139 140.if ${MACHINE_CPUARCH} == "arm" 141# Do not generate movt/movw, because the relocation fixup for them does not 142# translate to the -Bsymbolic -pie format required by self_reloc() in loader(8). 143# Also, the fpu is not available in a standalone environment. 144.if ${COMPILER_VERSION} < 30800 145CFLAGS.clang+= -mllvm -arm-use-movt=0 146.else 147CFLAGS.clang+= -mno-movt 148.endif 149CFLAGS.clang+= -mfpu=none 150CFLAGS+= -fPIC 151.endif 152 153# The boot loader build uses dd status=none, where possible, for reproducible 154# build output (since performance varies from run to run). Trouble is that 155# option was recently (10.3) added to FreeBSD and is non-standard. Only use it 156# when this test succeeds rather than require dd to be a bootstrap tool. 157DD_NOSTATUS!=(dd status=none count=0 2> /dev/null && echo status=none) || true 158DD=dd ${DD_NOSTATUS} 159 160.if ${MACHINE_CPUARCH} == "mips" 161CFLAGS+= -G0 -fno-pic -mno-abicalls 162.endif 163 164.if ${MK_LOADER_FORCE_LE} != "no" 165.if ${MACHINE_ARCH} == "powerpc64" 166CFLAGS+= -mlittle-endian 167.endif 168.endif 169 170# 171# Have a sensible default 172# 173# XXX Do not change the ordering of this chain in this branch. 4th must remain 174# the default for the lifetime of stable/11. 175.if ${MK_FORTH} == "yes" 176LOADER_DEFAULT_INTERP?=4th 177.elif ${MK_LOADER_LUA} == "yes" 178LOADER_DEFAULT_INTERP?=lua 179.else 180LOADER_DEFAULT_INTERP?=simp 181.endif 182LOADER_INTERP?=${LOADER_DEFAULT_INTERP} 183 184# Make sure we use the machine link we're about to create 185CFLAGS+=-I. 186 187all: ${PROG} 188 189.if !defined(NO_OBJ) 190_ILINKS=machine 191.if ${MACHINE} != ${MACHINE_CPUARCH} && ${MACHINE} != "arm64" 192_ILINKS+=${MACHINE_CPUARCH} 193.endif 194.if ${MACHINE_CPUARCH} == "i386" || ${MACHINE_CPUARCH} == "amd64" 195_ILINKS+=x86 196.endif 197CLEANFILES+=${_ILINKS} 198 199beforedepend: ${_ILINKS} 200beforebuild: ${_ILINKS} 201 202# Ensure that the links exist without depending on it when it exists which 203# causes all the modules to be rebuilt when the directory pointed to changes. 204.for _link in ${_ILINKS} 205.if !exists(${.OBJDIR}/${_link}) 206${OBJS}: ${_link} 207.endif # _link exists 208.endfor 209 210.NOPATH: ${_ILINKS} 211 212${_ILINKS}: 213 @case ${.TARGET} in \ 214 machine) \ 215 if [ ${DO32:U0} -eq 0 ]; then \ 216 path=${SYSDIR}/${MACHINE}/include ; \ 217 else \ 218 path=${SYSDIR}/${MACHINE:C/amd64/i386/}/include ; \ 219 fi ;; \ 220 *) \ 221 path=${SYSDIR}/${.TARGET:T}/include ;; \ 222 esac ; \ 223 path=`(cd $$path && /bin/pwd)` ; \ 224 ${ECHO} ${.TARGET:T} "->" $$path ; \ 225 ln -fhs $$path ${.TARGET:T} 226.endif # !NO_OBJ 227.endif # __BOOT_DEFS_MK__ 228