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 ${MACHINE_ARCH} == "powerpc64" 102CFLAGS+= -m32 -mcpu=powerpc 103# Use ld.bfd to workaround ld.lld issues on PowerPC 32 bit 104.if "${COMPILER_TYPE}" == "clang" && "${LINKER_TYPE}" == "lld" 105CFLAGS+= -fuse-ld=${LD_BFD} 106.endif 107.endif 108 109# For amd64, there's a bit of mixed bag. Some of the tree (i386, lib*32) is 110# build 32-bit and some 64-bit (lib*, efi). Centralize all the 32-bit magic here 111# and activate it when DO32 is explicitly defined to be 1. 112.if ${MACHINE_ARCH} == "amd64" && ${DO32:U0} == 1 113CFLAGS+= -m32 114# LD_FLAGS is passed directly to ${LD}, not via ${CC}: 115LD_FLAGS+= -m elf_i386_fbsd 116AFLAGS+= --32 117.endif 118 119SSP_CFLAGS= 120 121# Add in the no float / no SIMD stuff and announce we're freestanding 122# aarch64 and riscv don't have -msoft-float, but all others do. riscv 123# currently has no /boot/loader, but may soon. 124CFLAGS+= -ffreestanding ${CFLAGS_NO_SIMD} 125.if ${MACHINE_CPUARCH} == "aarch64" 126CFLAGS+= -mgeneral-regs-only -fPIC 127.elif ${MACHINE_CPUARCH} == "riscv" 128CFLAGS+= -march=rv64imac -mabi=lp64 129.else 130CFLAGS+= -msoft-float 131.endif 132 133# -msoft-float seems to be insufficient for powerpcspe 134.if ${MACHINE_ARCH} == "powerpcspe" 135CFLAGS+= -mno-spe 136.endif 137 138.if ${MACHINE_CPUARCH} == "i386" || (${MACHINE_CPUARCH} == "amd64" && ${DO32:U0} == 1) 139CFLAGS+= -march=i386 140CFLAGS.gcc+= -mpreferred-stack-boundary=2 141.endif 142.if ${MACHINE_CPUARCH} == "amd64" && ${DO32:U0} == 0 143CFLAGS+= -fPIC -mno-red-zone 144.endif 145 146.if ${MACHINE_CPUARCH} == "arm" 147# Do not generate movt/movw, because the relocation fixup for them does not 148# translate to the -Bsymbolic -pie format required by self_reloc() in loader(8). 149# Also, the fpu is not available in a standalone environment. 150.if ${COMPILER_VERSION} < 30800 151CFLAGS.clang+= -mllvm -arm-use-movt=0 152.else 153CFLAGS.clang+= -mno-movt 154.endif 155CFLAGS.clang+= -mfpu=none 156CFLAGS+= -fPIC 157.endif 158 159# The boot loader build uses dd status=none, where possible, for reproducible 160# build output (since performance varies from run to run). Trouble is that 161# option was recently (10.3) added to FreeBSD and is non-standard. Only use it 162# when this test succeeds rather than require dd to be a bootstrap tool. 163DD_NOSTATUS!=(dd status=none count=0 2> /dev/null && echo status=none) || true 164DD=dd ${DD_NOSTATUS} 165 166.if ${MACHINE_CPUARCH} == "mips" 167CFLAGS+= -G0 -fno-pic -mno-abicalls 168.endif 169 170.if ${MK_LOADER_FORCE_LE} != "no" 171.if ${MACHINE_ARCH} == "powerpc64" 172CFLAGS+= -mlittle-endian 173.endif 174.endif 175 176# 177# Have a sensible default 178# 179.if ${MK_LOADER_LUA} == "yes" 180LOADER_DEFAULT_INTERP?=lua 181.elif ${MK_FORTH} == "yes" 182LOADER_DEFAULT_INTERP?=4th 183.else 184LOADER_DEFAULT_INTERP?=simp 185.endif 186LOADER_INTERP?=${LOADER_DEFAULT_INTERP} 187 188# Make sure we use the machine link we're about to create 189CFLAGS+=-I. 190 191all: ${PROG} 192 193CLEANFILES+= teken_state.h 194teken.c: teken_state.h 195 196teken_state.h: ${SYSDIR}/teken/sequences 197 awk -f ${SYSDIR}/teken/gensequences \ 198 ${SYSDIR}/teken/sequences > teken_state.h 199 200.if !defined(NO_OBJ) 201_ILINKS=include/machine 202.if ${MACHINE} != ${MACHINE_CPUARCH} && ${MACHINE} != "arm64" 203_ILINKS+=include/${MACHINE_CPUARCH} 204.endif 205.if ${MACHINE_CPUARCH} == "i386" || ${MACHINE_CPUARCH} == "amd64" 206_ILINKS+=include/x86 207.endif 208CFLAGS+= -Iinclude 209CLEANDIRS+= include 210 211beforedepend: ${_ILINKS} 212beforebuild: ${_ILINKS} 213 214# Ensure that the links exist without depending on it when it exists which 215# causes all the modules to be rebuilt when the directory pointed to changes. 216.for _link in ${_ILINKS} 217.if !exists(${.OBJDIR}/${_link}) 218${OBJS}: ${_link} 219.endif # _link exists 220.endfor 221 222.NOPATH: ${_ILINKS} 223 224${_ILINKS}: .NOMETA 225 @case ${.TARGET:T} in \ 226 machine) \ 227 if [ ${DO32:U0} -eq 0 ]; then \ 228 path=${SYSDIR}/${MACHINE}/include ; \ 229 else \ 230 path=${SYSDIR}/${MACHINE:C/amd64/i386/}/include ; \ 231 fi ;; \ 232 *) \ 233 path=${SYSDIR}/${.TARGET:T}/include ;; \ 234 esac ; \ 235 case ${.TARGET} in \ 236 */*) mkdir -p ${.TARGET:H};; \ 237 esac ; \ 238 path=`(cd $$path && /bin/pwd)` ; \ 239 ${ECHO} ${.TARGET} "->" $$path ; \ 240 ln -fhs $$path ${.TARGET} 241.endif # !NO_OBJ 242.endif # __BOOT_DEFS_MK__ 243