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 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 72CFLAGS+= -ffunction-sections -fdata-sections 73.endif 74 75# GELI Support, with backward compat hooks (mostly) 76.if defined(LOADER_NO_GELI_SUPPORT) 77MK_LOADER_GELI=no 78.warning "Please move from LOADER_NO_GELI_SUPPORT to WITHOUT_LOADER_GELI" 79.endif 80.if defined(LOADER_GELI_SUPPORT) 81MK_LOADER_GELI=yes 82.warning "Please move from LOADER_GELI_SUPPORT to WITH_LOADER_GELI" 83.endif 84.if ${MK_LOADER_GELI} == "yes" 85CFLAGS+= -DLOADER_GELI_SUPPORT 86CFLAGS+= -I${SASRC}/geli 87.endif # MK_LOADER_GELI 88 89# These should be confined to loader.mk, but can't because uboot/lib 90# also uses it. It's part of loader, but isn't a loader so we can't 91# just include loader.mk 92.if ${LOADER_DISK_SUPPORT:Uyes} == "yes" 93CFLAGS+= -DLOADER_DISK_SUPPORT 94.endif 95 96# Machine specific flags for all builds here 97 98# All PowerPC builds are 32 bit. We have no 64-bit loaders on powerpc 99# or powerpc64. 100.if ${MACHINE_ARCH} == "powerpc64" 101CFLAGS+= -m32 -mcpu=powerpc 102# Use ld.bfd to workaround ld.lld issues on PowerPC 32 bit 103.if "${COMPILER_TYPE}" == "clang" && "${LINKER_TYPE}" == "lld" 104CFLAGS+= -fuse-ld=${LD_BFD} 105.endif 106.endif 107 108# For amd64, there's a bit of mixed bag. Some of the tree (i386, lib*32) is 109# build 32-bit and some 64-bit (lib*, efi). Centralize all the 32-bit magic here 110# and activate it when DO32 is explicitly defined to be 1. 111.if ${MACHINE_ARCH} == "amd64" && ${DO32:U0} == 1 112CFLAGS+= -m32 113# LD_FLAGS is passed directly to ${LD}, not via ${CC}: 114LD_FLAGS+= -m elf_i386_fbsd 115AFLAGS+= --32 116.endif 117 118SSP_CFLAGS= 119 120# Add in the no float / no SIMD stuff and announce we're freestanding 121# aarch64 and riscv don't have -msoft-float, but all others do. riscv 122# currently has no /boot/loader, but may soon. 123CFLAGS+= -ffreestanding ${CFLAGS_NO_SIMD} 124.if ${MACHINE_CPUARCH} == "aarch64" 125CFLAGS+= -mgeneral-regs-only -fPIC 126.elif ${MACHINE_CPUARCH} == "riscv" 127CFLAGS+= -march=rv64imac -mabi=lp64 128.else 129CFLAGS+= -msoft-float 130.endif 131 132# -msoft-float seems to be insufficient for powerpcspe 133.if ${MACHINE_ARCH} == "powerpcspe" 134CFLAGS+= -mno-spe 135.endif 136 137.if ${MACHINE_CPUARCH} == "i386" || (${MACHINE_CPUARCH} == "amd64" && ${DO32:U0} == 1) 138CFLAGS+= -march=i386 139CFLAGS.gcc+= -mpreferred-stack-boundary=2 140.endif 141.if ${MACHINE_CPUARCH} == "amd64" && ${DO32:U0} == 0 142CFLAGS+= -fPIC -mno-red-zone 143.endif 144 145.if ${MACHINE_CPUARCH} == "arm" 146# Do not generate movt/movw, because the relocation fixup for them does not 147# translate to the -Bsymbolic -pie format required by self_reloc() in loader(8). 148# Also, the fpu is not available in a standalone environment. 149.if ${COMPILER_VERSION} < 30800 150CFLAGS.clang+= -mllvm -arm-use-movt=0 151.else 152CFLAGS.clang+= -mno-movt 153.endif 154CFLAGS.clang+= -mfpu=none 155CFLAGS+= -fPIC 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