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 38OZFS= ${SRCTOP}/sys/contrib/openzfs 39ZFSOSSRC= ${OZFS}/module/os/freebsd/ 40ZFSOSINC= ${OZFS}/include/os/freebsd 41LIBCSRC= ${SRCTOP}/lib/libc 42 43BOOTOBJ= ${OBJTOP}/stand 44 45# BINDIR is where we install 46BINDIR?= /boot 47 48# LUAPATH is where we search for and install lua scripts. 49LUAPATH?= /boot/lua 50FLUASRC?= ${SRCTOP}/libexec/flua 51 52LIBSA= ${BOOTOBJ}/libsa/libsa.a 53.if ${MACHINE} == "i386" 54LIBSA32= ${LIBSA} 55.else 56LIBSA32= ${BOOTOBJ}/libsa32/libsa32.a 57.endif 58 59# Standard options: 60CFLAGS+= -nostdinc 61# Allow CFLAGS_EARLY.file/target so that code that needs specific stack 62# of include paths can set them up before our include paths. Normally 63# the only thing that should be there are -I directives, and as few of 64# those as possible. 65CFLAGS+= ${CFLAGS_EARLY} ${CFLAGS_EARLY.${.IMPSRC:T}} ${CFLAGS_EARLY.${.TARGET:T}} 66.if ${MACHINE_ARCH} == "amd64" && ${DO32:U0} == 1 67CFLAGS+= -I${BOOTOBJ}/libsa32 68.else 69CFLAGS+= -I${BOOTOBJ}/libsa 70.endif 71CFLAGS+= -I${SASRC} -D_STANDALONE 72CFLAGS+= -I${SYSDIR} 73# Spike the floating point interfaces 74CFLAGS+= -Ddouble=jagged-little-pill -Dfloat=floaty-mcfloatface 75.if ${MACHINE_ARCH} == "i386" || ${MACHINE_ARCH} == "amd64" 76# Slim down the image. This saves about 15% in size with clang 6 on x86 77# Our most constrained /boot/loader env is BIOS booting on x86, where 78# our text + data + BTX have to fit into 640k below the ISA hole. 79# Experience has shown that problems arise between ~520k to ~530k. 80CFLAGS.clang+= -Oz 81CFLAGS.gcc+= -Os 82CFLAGS+= -ffunction-sections -fdata-sections 83.endif 84 85# GELI Support, with backward compat hooks (mostly) 86.if defined(LOADER_NO_GELI_SUPPORT) 87MK_LOADER_GELI=no 88.warning "Please move from LOADER_NO_GELI_SUPPORT to WITHOUT_LOADER_GELI" 89.endif 90.if defined(LOADER_GELI_SUPPORT) 91MK_LOADER_GELI=yes 92.warning "Please move from LOADER_GELI_SUPPORT to WITH_LOADER_GELI" 93.endif 94.if ${MK_LOADER_GELI} == "yes" 95CFLAGS+= -DLOADER_GELI_SUPPORT 96CFLAGS+= -I${SASRC}/geli 97.endif # MK_LOADER_GELI 98 99# These should be confined to loader.mk, but can't because uboot/lib 100# also uses it. It's part of loader, but isn't a loader so we can't 101# just include loader.mk 102.if ${LOADER_DISK_SUPPORT:Uyes} == "yes" 103CFLAGS+= -DLOADER_DISK_SUPPORT 104.endif 105 106# Machine specific flags for all builds here 107 108# Ensure PowerPC64 and PowerPC64LE boot loaders are compiled as 32 bit 109# and in big endian. 110.if ${MACHINE_ARCH:Mpowerpc64*} != "" 111CFLAGS+= -m32 -mcpu=powerpc -mbig-endian 112.endif 113 114# For amd64, there's a bit of mixed bag. Some of the tree (i386, lib*32) is 115# build 32-bit and some 64-bit (lib*, efi). Centralize all the 32-bit magic here 116# and activate it when DO32 is explicitly defined to be 1. 117.if ${MACHINE_ARCH} == "amd64" && ${DO32:U0} == 1 118CFLAGS+= -m32 119# LD_FLAGS is passed directly to ${LD}, not via ${CC}: 120LD_FLAGS+= -m elf_i386_fbsd 121AFLAGS+= --32 122.endif 123 124SSP_CFLAGS= 125 126# Add in the no float / no SIMD stuff and announce we're freestanding 127# aarch64 and riscv don't have -msoft-float, but all others do. 128CFLAGS+= -ffreestanding ${CFLAGS_NO_SIMD} 129.if ${MACHINE_CPUARCH} == "aarch64" 130CFLAGS+= -mgeneral-regs-only -ffixed-x18 -fPIC 131.elif ${MACHINE_CPUARCH} == "riscv" 132CFLAGS+= -march=rv64imac -mabi=lp64 -fPIC 133CFLAGS.clang+= -mcmodel=medium 134CFLAGS.gcc+= -mcmodel=medany 135.else 136CFLAGS+= -msoft-float 137.endif 138 139# -msoft-float seems to be insufficient for powerpcspe 140.if ${MACHINE_ARCH} == "powerpcspe" 141CFLAGS+= -mno-spe 142.endif 143 144.if ${MACHINE_CPUARCH} == "i386" || (${MACHINE_CPUARCH} == "amd64" && ${DO32:U0} == 1) 145CFLAGS+= -march=i386 146CFLAGS.gcc+= -mpreferred-stack-boundary=2 147.endif 148.if ${MACHINE_CPUARCH} == "amd64" && ${DO32:U0} == 0 149CFLAGS+= -fPIC -mno-red-zone 150.endif 151 152.if ${MACHINE_CPUARCH} == "arm" 153# Do not generate movt/movw, because the relocation fixup for them does not 154# translate to the -Bsymbolic -pie format required by self_reloc() in loader(8). 155# Also, the fpu is not available in a standalone environment. 156CFLAGS.clang+= -mno-movt 157CFLAGS.clang+= -mfpu=none 158CFLAGS+= -fPIC 159.endif 160 161# Some RISC-V linkers have support for relaxations, while some (lld) do not 162# yet. If this is the case we inhibit the compiler from emitting relaxations. 163.if ${LINKER_FEATURES:Mriscv-relaxations} == "" 164CFLAGS+= -mno-relax 165.endif 166 167# The boot loader build uses dd status=none, where possible, for reproducible 168# build output (since performance varies from run to run). Trouble is that 169# option was recently (10.3) added to FreeBSD and is non-standard. Only use it 170# when this test succeeds rather than require dd to be a bootstrap tool. 171DD_NOSTATUS!=(dd status=none count=0 2> /dev/null && echo status=none) || true 172DD=dd ${DD_NOSTATUS} 173 174.if ${MACHINE_CPUARCH} == "mips" 175CFLAGS+= -G0 -fno-pic -mno-abicalls 176.endif 177 178# 179# Have a sensible default 180# 181.if ${MK_LOADER_LUA} == "yes" 182LOADER_DEFAULT_INTERP?=lua 183.elif ${MK_FORTH} == "yes" 184LOADER_DEFAULT_INTERP?=4th 185.else 186LOADER_DEFAULT_INTERP?=simp 187.endif 188LOADER_INTERP?=${LOADER_DEFAULT_INTERP} 189 190# Make sure we use the machine link we're about to create 191CFLAGS+=-I. 192 193all: ${PROG} 194 195CLEANFILES+= teken_state.h 196teken.c: teken_state.h 197 198teken_state.h: ${SYSDIR}/teken/sequences 199 awk -f ${SYSDIR}/teken/gensequences \ 200 ${SYSDIR}/teken/sequences > teken_state.h 201 202.if !defined(NO_OBJ) 203_ILINKS=include/machine 204.if ${MACHINE} != ${MACHINE_CPUARCH} && ${MACHINE} != "arm64" 205_ILINKS+=include/${MACHINE_CPUARCH} 206.endif 207.if ${MACHINE_CPUARCH} == "i386" || ${MACHINE_CPUARCH} == "amd64" 208_ILINKS+=include/x86 209.endif 210CFLAGS+= -Iinclude 211CLEANDIRS+= include 212 213beforedepend: ${_ILINKS} 214beforebuild: ${_ILINKS} 215 216# Ensure that the links exist without depending on it when it exists which 217# causes all the modules to be rebuilt when the directory pointed to changes. 218.for _link in ${_ILINKS} 219.if !exists(${.OBJDIR}/${_link}) 220${OBJS}: ${_link} 221.endif # _link exists 222.endfor 223 224.NOPATH: ${_ILINKS} 225 226${_ILINKS}: .NOMETA 227 @case ${.TARGET:T} in \ 228 machine) \ 229 if [ ${DO32:U0} -eq 0 ]; then \ 230 path=${SYSDIR}/${MACHINE}/include ; \ 231 else \ 232 path=${SYSDIR}/${MACHINE:C/amd64/i386/}/include ; \ 233 fi ;; \ 234 *) \ 235 path=${SYSDIR}/${.TARGET:T}/include ;; \ 236 esac ; \ 237 case ${.TARGET} in \ 238 */*) mkdir -p ${.TARGET:H};; \ 239 esac ; \ 240 path=`(cd $$path && /bin/pwd)` ; \ 241 ${ECHO} ${.TARGET} "->" $$path ; \ 242 ln -fns $$path ${.TARGET} 243.endif # !NO_OBJ 244.endif # __BOOT_DEFS_MK__ 245