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 -ffixed-x18 -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. 146CFLAGS.clang+= -mno-movt 147CFLAGS.clang+= -mfpu=none 148CFLAGS+= -fPIC 149.endif 150 151# The boot loader build uses dd status=none, where possible, for reproducible 152# build output (since performance varies from run to run). Trouble is that 153# option was recently (10.3) added to FreeBSD and is non-standard. Only use it 154# when this test succeeds rather than require dd to be a bootstrap tool. 155DD_NOSTATUS!=(dd status=none count=0 2> /dev/null && echo status=none) || true 156DD=dd ${DD_NOSTATUS} 157 158.if ${MACHINE_CPUARCH} == "mips" 159CFLAGS+= -G0 -fno-pic -mno-abicalls 160.endif 161 162.if ${MK_LOADER_FORCE_LE} != "no" 163.if ${MACHINE_ARCH} == "powerpc64" 164CFLAGS+= -mlittle-endian 165.endif 166.endif 167 168# 169# Have a sensible default 170# 171.if ${MK_LOADER_LUA} == "yes" 172LOADER_DEFAULT_INTERP?=lua 173.elif ${MK_FORTH} == "yes" 174LOADER_DEFAULT_INTERP?=4th 175.else 176LOADER_DEFAULT_INTERP?=simp 177.endif 178LOADER_INTERP?=${LOADER_DEFAULT_INTERP} 179 180# Make sure we use the machine link we're about to create 181CFLAGS+=-I. 182 183all: ${PROG} 184 185CLEANFILES+= teken_state.h 186teken.c: teken_state.h 187 188teken_state.h: ${SYSDIR}/teken/sequences 189 awk -f ${SYSDIR}/teken/gensequences \ 190 ${SYSDIR}/teken/sequences > teken_state.h 191 192.if !defined(NO_OBJ) 193_ILINKS=include/machine 194.if ${MACHINE} != ${MACHINE_CPUARCH} && ${MACHINE} != "arm64" 195_ILINKS+=include/${MACHINE_CPUARCH} 196.endif 197.if ${MACHINE_CPUARCH} == "i386" || ${MACHINE_CPUARCH} == "amd64" 198_ILINKS+=include/x86 199.endif 200CFLAGS+= -Iinclude 201CLEANDIRS+= include 202 203beforedepend: ${_ILINKS} 204beforebuild: ${_ILINKS} 205 206# Ensure that the links exist without depending on it when it exists which 207# causes all the modules to be rebuilt when the directory pointed to changes. 208.for _link in ${_ILINKS} 209.if !exists(${.OBJDIR}/${_link}) 210${OBJS}: ${_link} 211.endif # _link exists 212.endfor 213 214.NOPATH: ${_ILINKS} 215 216${_ILINKS}: .NOMETA 217 @case ${.TARGET:T} in \ 218 machine) \ 219 if [ ${DO32:U0} -eq 0 ]; then \ 220 path=${SYSDIR}/${MACHINE}/include ; \ 221 else \ 222 path=${SYSDIR}/${MACHINE:C/amd64/i386/}/include ; \ 223 fi ;; \ 224 *) \ 225 path=${SYSDIR}/${.TARGET:T}/include ;; \ 226 esac ; \ 227 case ${.TARGET} in \ 228 */*) mkdir -p ${.TARGET:H};; \ 229 esac ; \ 230 path=`(cd $$path && /bin/pwd)` ; \ 231 ${ECHO} ${.TARGET} "->" $$path ; \ 232 ln -fhs $$path ${.TARGET} 233.endif # !NO_OBJ 234.endif # __BOOT_DEFS_MK__ 235