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 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 43LIBSA= ${BOOTOBJ}/libsa/libsa.a 44.if ${MACHINE} == "i386" 45LIBSA32= ${LIBSA} 46.else 47LIBSA32= ${BOOTOBJ}/libsa32/libsa32.a 48.endif 49 50# Standard options: 51CFLAGS+= -nostdinc 52.if ${MACHINE_ARCH} == "amd64" && ${DO32:U0} == 1 53CFLAGS+= -I${BOOTOBJ}/libsa32 54.else 55CFLAGS+= -I${BOOTOBJ}/libsa 56.endif 57CFLAGS+= -I${SASRC} -D_STANDALONE 58CFLAGS+= -I${SYSDIR} 59# Spike the floating point interfaces 60CFLAGS+= -Ddouble=jagged-little-pill -Dfloat=floaty-mcfloatface 61.if ${MACHINE_ARCH} == "i386" || ${MACHINE_ARCH} == "amd64" 62# Slim down the image. This saves about 15% in size with clang 6 on x86 63# Our most constrained /boot/loader env is BIOS booting on x86, where 64# our text + data + BTX have to fit into 640k below the ISA hole. 65# Experience has shown that problems arise between ~520k to ~530k. 66CFLAGS.clang+= -Oz 67CFLAGS.gcc+= -Os 68CFLAGS+= -ffunction-sections -fdata-sections 69.endif 70 71# GELI Support, with backward compat hooks (mostly) 72.if defined(LOADER_NO_GELI_SUPPORT) 73MK_LOADER_GELI=no 74.warning "Please move from LOADER_NO_GELI_SUPPORT to WITHOUT_LOADER_GELI" 75.endif 76.if defined(LOADER_GELI_SUPPORT) 77MK_LOADER_GELI=yes 78.warning "Please move from LOADER_GELI_SUPPORT to WITH_LOADER_GELI" 79.endif 80.if ${MK_LOADER_GELI} == "yes" 81CFLAGS+= -DLOADER_GELI_SUPPORT 82CFLAGS+= -I${SASRC}/geli 83.endif # MK_LOADER_GELI 84 85# These should be confined to loader.mk, but can't because uboot/lib 86# also uses it. It's part of loader, but isn't a loader so we can't 87# just include loader.mk 88.if ${LOADER_DISK_SUPPORT:Uyes} == "yes" 89CFLAGS+= -DLOADER_DISK_SUPPORT 90.endif 91 92# Machine specific flags for all builds here 93 94# All PowerPC builds are 32 bit. We have no 64-bit loaders on powerpc 95# or powerpc64. 96.if ${MACHINE_ARCH} == "powerpc64" 97CFLAGS+= -m32 -mcpu=powerpc 98.endif 99 100# For amd64, there's a bit of mixed bag. Some of the tree (i386, lib*32) is 101# build 32-bit and some 64-bit (lib*, efi). Centralize all the 32-bit magic here 102# and activate it when DO32 is explicitly defined to be 1. 103.if ${MACHINE_ARCH} == "amd64" && ${DO32:U0} == 1 104CFLAGS+= -m32 105# LD_FLAGS is passed directly to ${LD}, not via ${CC}: 106LD_FLAGS+= -m elf_i386_fbsd 107AFLAGS+= --32 108.endif 109 110SSP_CFLAGS= 111 112# Add in the no float / no SIMD stuff and announce we're freestanding 113# aarch64 and riscv don't have -msoft-float, but all others do. riscv 114# currently has no /boot/loader, but may soon. 115CFLAGS+= -ffreestanding ${CFLAGS_NO_SIMD} 116.if ${MACHINE_CPUARCH} == "aarch64" 117CFLAGS+= -mgeneral-regs-only -fPIC 118.elif ${MACHINE_CPUARCH} == "riscv" 119CFLAGS+= -march=rv64imac -mabi=lp64 120.else 121CFLAGS+= -msoft-float 122.endif 123 124# -msoft-float seems to be insufficient for powerpcspe 125.if ${MACHINE_ARCH} == "powerpcspe" 126CFLAGS+= -mno-spe 127.endif 128 129.if ${MACHINE_CPUARCH} == "i386" || (${MACHINE_CPUARCH} == "amd64" && ${DO32:U0} == 1) 130CFLAGS+= -march=i386 131CFLAGS.gcc+= -mpreferred-stack-boundary=2 132.endif 133.if ${MACHINE_CPUARCH} == "amd64" && ${DO32:U0} == 0 134CFLAGS+= -fPIC -mno-red-zone 135.endif 136 137.if ${MACHINE_CPUARCH} == "arm" 138# Do not generate movt/movw, because the relocation fixup for them does not 139# translate to the -Bsymbolic -pie format required by self_reloc() in loader(8). 140# Also, the fpu is not available in a standalone environment. 141.if ${COMPILER_VERSION} < 30800 142CFLAGS.clang+= -mllvm -arm-use-movt=0 143.else 144CFLAGS.clang+= -mno-movt 145.endif 146CFLAGS.clang+= -mfpu=none 147CFLAGS+= -fPIC 148.endif 149 150# The boot loader build uses dd status=none, where possible, for reproducible 151# build output (since performance varies from run to run). Trouble is that 152# option was recently (10.3) added to FreeBSD and is non-standard. Only use it 153# when this test succeeds rather than require dd to be a bootstrap tool. 154DD_NOSTATUS!=(dd status=none count=0 2> /dev/null && echo status=none) || true 155DD=dd ${DD_NOSTATUS} 156 157.if ${MACHINE_CPUARCH} == "mips" 158CFLAGS+= -G0 -fno-pic -mno-abicalls 159.endif 160 161.if ${MK_LOADER_FORCE_LE} != "no" 162.if ${MACHINE_ARCH} == "powerpc64" 163CFLAGS+= -mlittle-endian 164.endif 165.endif 166 167# 168# Have a sensible default 169# 170.if ${MK_LOADER_LUA} == "yes" 171LOADER_DEFAULT_INTERP?=lua 172.elif ${MK_FORTH} == "yes" 173LOADER_DEFAULT_INTERP?=4th 174.else 175LOADER_DEFAULT_INTERP?=simp 176.endif 177LOADER_INTERP?=${LOADER_DEFAULT_INTERP} 178 179# Make sure we use the machine link we're about to create 180CFLAGS+=-I. 181 182all: ${PROG} 183 184CLEANFILES+= teken_state.h 185teken.c: teken_state.h 186 187teken_state.h: ${SYSDIR}/teken/sequences 188 awk -f ${SYSDIR}/teken/gensequences \ 189 ${SYSDIR}/teken/sequences > teken_state.h 190 191.if !defined(NO_OBJ) 192_ILINKS=machine 193.if ${MACHINE} != ${MACHINE_CPUARCH} && ${MACHINE} != "arm64" 194_ILINKS+=${MACHINE_CPUARCH} 195.endif 196.if ${MACHINE_CPUARCH} == "i386" || ${MACHINE_CPUARCH} == "amd64" 197_ILINKS+=x86 198.endif 199CLEANFILES+=${_ILINKS} 200 201beforedepend: ${_ILINKS} 202beforebuild: ${_ILINKS} 203 204# Ensure that the links exist without depending on it when it exists which 205# causes all the modules to be rebuilt when the directory pointed to changes. 206.for _link in ${_ILINKS} 207.if !exists(${.OBJDIR}/${_link}) 208${OBJS}: ${_link} 209.endif # _link exists 210.endfor 211 212.NOPATH: ${_ILINKS} 213 214${_ILINKS}: 215 @case ${.TARGET} in \ 216 machine) \ 217 if [ ${DO32:U0} -eq 0 ]; then \ 218 path=${SYSDIR}/${MACHINE}/include ; \ 219 else \ 220 path=${SYSDIR}/${MACHINE:C/amd64/i386/}/include ; \ 221 fi ;; \ 222 *) \ 223 path=${SYSDIR}/${.TARGET:T}/include ;; \ 224 esac ; \ 225 path=`(cd $$path && /bin/pwd)` ; \ 226 ${ECHO} ${.TARGET:T} "->" $$path ; \ 227 ln -fhs $$path ${.TARGET:T} 228.endif # !NO_OBJ 229.endif # __BOOT_DEFS_MK__ 230