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