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 45 46LIBSA= ${BOOTOBJ}/libsa/libsa.a 47.if ${MACHINE} == "i386" 48LIBSA32= ${LIBSA} 49.else 50LIBSA32= ${BOOTOBJ}/libsa32/libsa32.a 51.endif 52 53# Standard options: 54CFLAGS+= -nostdinc 55.if ${MACHINE_ARCH} == "amd64" && ${DO32:U0} == 1 56CFLAGS+= -I${BOOTOBJ}/libsa32 57.else 58CFLAGS+= -I${BOOTOBJ}/libsa 59.endif 60CFLAGS+= -I${SASRC} -D_STANDALONE 61CFLAGS+= -I${SYSDIR} 62# Spike the floating point interfaces 63CFLAGS+= -Ddouble=jagged-little-pill -Dfloat=floaty-mcfloatface 64.if ${MACHINE_ARCH} == "i386" || ${MACHINE_ARCH} == "amd64" 65# Slim down the image. This saves about 15% in size with clang 6 on x86 66# Our most constrained /boot/loader env is BIOS booting on x86, where 67# our text + data + BTX have to fit into 640k below the ISA hole. 68# Experience has shown that problems arise between ~520k to ~530k. 69CFLAGS.clang+= -Oz 70CFLAGS.gcc+= -Os 71CFLAGS+= -ffunction-sections -fdata-sections 72.endif 73 74# GELI Support, with backward compat hooks (mostly) 75.if defined(LOADER_NO_GELI_SUPPORT) 76MK_LOADER_GELI=no 77.warning "Please move from LOADER_NO_GELI_SUPPORT to WITHOUT_LOADER_GELI" 78.endif 79.if defined(LOADER_GELI_SUPPORT) 80MK_LOADER_GELI=yes 81.warning "Please move from LOADER_GELI_SUPPORT to WITH_LOADER_GELI" 82.endif 83.if ${MK_LOADER_GELI} == "yes" 84CFLAGS+= -DLOADER_GELI_SUPPORT 85CFLAGS+= -I${SASRC}/geli 86.endif # MK_LOADER_GELI 87 88# These should be confined to loader.mk, but can't because uboot/lib 89# also uses it. It's part of loader, but isn't a loader so we can't 90# just include loader.mk 91.if ${LOADER_DISK_SUPPORT:Uyes} == "yes" 92CFLAGS+= -DLOADER_DISK_SUPPORT 93.endif 94 95# Machine specific flags for all builds here 96 97# All PowerPC builds are 32 bit. We have no 64-bit loaders on powerpc 98# or powerpc64. 99.if ${MACHINE_ARCH} == "powerpc64" 100CFLAGS+= -m32 -mcpu=powerpc 101.endif 102 103# For amd64, there's a bit of mixed bag. Some of the tree (i386, lib*32) is 104# build 32-bit and some 64-bit (lib*, efi). Centralize all the 32-bit magic here 105# and activate it when DO32 is explicitly defined to be 1. 106.if ${MACHINE_ARCH} == "amd64" && ${DO32:U0} == 1 107CFLAGS+= -m32 108# LD_FLAGS is passed directly to ${LD}, not via ${CC}: 109LD_FLAGS+= -m elf_i386_fbsd 110AFLAGS+= --32 111.endif 112 113SSP_CFLAGS= 114 115# Add in the no float / no SIMD stuff and announce we're freestanding 116# aarch64 and riscv don't have -msoft-float, but all others do. riscv 117# currently has no /boot/loader, but may soon. 118CFLAGS+= -ffreestanding ${CFLAGS_NO_SIMD} 119.if ${MACHINE_CPUARCH} == "aarch64" 120CFLAGS+= -mgeneral-regs-only -fPIC 121.elif ${MACHINE_CPUARCH} == "riscv" 122CFLAGS+= -march=rv64imac -mabi=lp64 123.else 124CFLAGS+= -msoft-float 125.endif 126 127# -msoft-float seems to be insufficient for powerpcspe 128.if ${MACHINE_ARCH} == "powerpcspe" 129CFLAGS+= -mno-spe 130.endif 131 132.if ${MACHINE_CPUARCH} == "i386" || (${MACHINE_CPUARCH} == "amd64" && ${DO32:U0} == 1) 133CFLAGS+= -march=i386 134CFLAGS.gcc+= -mpreferred-stack-boundary=2 135.endif 136.if ${MACHINE_CPUARCH} == "amd64" && ${DO32:U0} == 0 137CFLAGS+= -fPIC -mno-red-zone 138.endif 139 140.if ${MACHINE_CPUARCH} == "arm" 141# Do not generate movt/movw, because the relocation fixup for them does not 142# translate to the -Bsymbolic -pie format required by self_reloc() in loader(8). 143# Also, the fpu is not available in a standalone environment. 144.if ${COMPILER_VERSION} < 30800 145CFLAGS.clang+= -mllvm -arm-use-movt=0 146.else 147CFLAGS.clang+= -mno-movt 148.endif 149CFLAGS.clang+= -mfpu=none 150CFLAGS+= -fPIC 151.endif 152 153# The boot loader build uses dd status=none, where possible, for reproducible 154# build output (since performance varies from run to run). Trouble is that 155# option was recently (10.3) added to FreeBSD and is non-standard. Only use it 156# when this test succeeds rather than require dd to be a bootstrap tool. 157DD_NOSTATUS!=(dd status=none count=0 2> /dev/null && echo status=none) || true 158DD=dd ${DD_NOSTATUS} 159 160.if ${MACHINE_CPUARCH} == "mips" 161CFLAGS+= -G0 -fno-pic -mno-abicalls 162.endif 163 164.if ${MK_LOADER_FORCE_LE} != "no" 165.if ${MACHINE_ARCH} == "powerpc64" 166CFLAGS+= -mlittle-endian 167.endif 168.endif 169 170# 171# Have a sensible default 172# 173.if ${MK_LOADER_LUA} == "yes" 174LOADER_DEFAULT_INTERP?=lua 175.elif ${MK_FORTH} == "yes" 176LOADER_DEFAULT_INTERP?=4th 177.else 178LOADER_DEFAULT_INTERP?=simp 179.endif 180LOADER_INTERP?=${LOADER_DEFAULT_INTERP} 181 182# Make sure we use the machine link we're about to create 183CFLAGS+=-I. 184 185all: ${PROG} 186 187CLEANFILES+= teken_state.h 188teken.c: teken_state.h 189 190teken_state.h: ${SYSDIR}/teken/sequences 191 awk -f ${SYSDIR}/teken/gensequences \ 192 ${SYSDIR}/teken/sequences > teken_state.h 193 194.if !defined(NO_OBJ) 195_ILINKS=include/machine 196.if ${MACHINE} != ${MACHINE_CPUARCH} && ${MACHINE} != "arm64" 197_ILINKS+=include/${MACHINE_CPUARCH} 198.endif 199.if ${MACHINE_CPUARCH} == "i386" || ${MACHINE_CPUARCH} == "amd64" 200_ILINKS+=include/x86 201.endif 202CFLAGS+= -Iinclude 203CLEANDIRS+= include 204 205beforedepend: ${_ILINKS} 206beforebuild: ${_ILINKS} 207 208# Ensure that the links exist without depending on it when it exists which 209# causes all the modules to be rebuilt when the directory pointed to changes. 210.for _link in ${_ILINKS} 211.if !exists(${.OBJDIR}/${_link}) 212${OBJS}: ${_link} 213.endif # _link exists 214.endfor 215 216.NOPATH: ${_ILINKS} 217 218${_ILINKS}: .NOMETA 219 @case ${.TARGET:T} in \ 220 machine) \ 221 if [ ${DO32:U0} -eq 0 ]; then \ 222 path=${SYSDIR}/${MACHINE}/include ; \ 223 else \ 224 path=${SYSDIR}/${MACHINE:C/amd64/i386/}/include ; \ 225 fi ;; \ 226 *) \ 227 path=${SYSDIR}/${.TARGET:T}/include ;; \ 228 esac ; \ 229 case ${.TARGET} in \ 230 */*) mkdir -p ${.TARGET:H};; \ 231 esac ; \ 232 path=`(cd $$path && /bin/pwd)` ; \ 233 ${ECHO} ${.TARGET} "->" $$path ; \ 234 ln -fhs $$path ${.TARGET} 235.endif # !NO_OBJ 236.endif # __BOOT_DEFS_MK__ 237