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