1# $FreeBSD$ 2 3.include <src.opts.mk> 4 5WARNS?=1 6 7.if !defined(__BOOT_DEFS_MK__) 8__BOOT_DEFS_MK__=${MFILE} 9 10MK_CTF= no 11MK_SSP= no 12MK_PROFILE= no 13MAN= 14.if !defined(PIC) 15NO_PIC= 16INTERNALLIB= 17.endif 18 19BOOTSRC= ${SRCTOP}/stand 20EFISRC= ${BOOTSRC}/efi 21EFIINC= ${EFISRC}/include 22EFIINCMD= ${EFIINC}/${MACHINE} 23FDTSRC= ${BOOTSRC}/fdt 24FICLSRC= ${BOOTSRC}/ficl 25LDRSRC= ${BOOTSRC}/common 26LIBLUASRC= ${BOOTSRC}/liblua 27LUASRC= ${SRCTOP}/contrib/lua/src 28SASRC= ${BOOTSRC}/libsa 29SYSDIR= ${SRCTOP}/sys 30UBOOTSRC= ${BOOTSRC}/uboot 31ZFSSRC= ${BOOTSRC}/zfs 32 33BOOTOBJ= ${OBJTOP}/stand 34 35# BINDIR is where we install 36BINDIR?= /boot 37 38LIBSA= ${BOOTOBJ}/libsa/libsa.a 39.if ${MACHINE} == "i386" 40LIBSA32= ${LIBSA} 41.else 42LIBSA32= ${BOOTOBJ}/libsa32/libsa32.a 43.endif 44 45# Standard options: 46CFLAGS+= -nostdinc 47.if ${MACHINE_ARCH} == "amd64" && ${DO32:U0} == 1 48CFLAGS+= -I${BOOTOBJ}/libsa32 49.else 50CFLAGS+= -I${BOOTOBJ}/libsa 51.endif 52CFLAGS+= -I${SASRC} -D_STANDALONE 53CFLAGS+= -I${SYSDIR} 54 55# GELI Support, with backward compat hooks (mostly) 56.if defined(HAVE_GELI) 57.if defined(LOADER_NO_GELI_SUPPORT) 58MK_LOADER_GELI=no 59.warning "Please move from LOADER_NO_GELI_SUPPORT to WITHOUT_LOADER_GELI" 60.endif 61.if defined(LOADER_GELI_SUPPORT) 62MK_LOADER_GELI=yes 63.warning "Please move from LOADER_GELI_SUPPORT to WITH_LOADER_GELI" 64.endif 65.if ${MK_LOADER_GELI} == "yes" 66CFLAGS+= -DLOADER_GELI_SUPPORT 67CFLAGS+= -I${BOOTSRC}/geli 68LIBGELIBOOT= ${BOOTOBJ}/geli/libgeliboot.a 69.endif # MK_LOADER_GELI 70.endif # HAVE_GELI 71 72# These should be confined to loader.mk, but can't because uboot/lib 73# also uses it. It's part of loader, but isn't a loader so we can't 74# just include loader.mk 75.if ${LOADER_DISK_SUPPORT:Uyes} == "yes" 76CFLAGS+= -DLOADER_DISK_SUPPORT 77.endif 78 79# Machine specific flags for all builds here 80 81# All PowerPC builds are 32 bit. We have no 64-bit loaders on powerpc 82# or powerpc64. 83.if ${MACHINE_ARCH} == "powerpc64" 84CFLAGS+= -m32 -mcpu=powerpc 85.endif 86 87# For amd64, there's a bit of mixed bag. Some of the tree (i386, lib*32) is 88# build 32-bit and some 64-bit (lib*, efi). Centralize all the 32-bit magic here 89# and activate it when DO32 is explicitly defined to be 1. 90.if ${MACHINE_ARCH} == "amd64" && ${DO32:U0} == 1 91CFLAGS+= -m32 -mcpu=i386 92# LD_FLAGS is passed directly to ${LD}, not via ${CC}: 93LD_FLAGS+= -m elf_i386_fbsd 94AFLAGS+= --32 95.endif 96 97SSP_CFLAGS= 98 99# Add in the no float / no SIMD stuff and announce we're freestanding 100# aarch64 and riscv don't have -msoft-float, but all others do. riscv 101# currently has no /boot/loader, but may soon. 102CFLAGS+= -ffreestanding ${CFLAGS_NO_SIMD} 103.if ${MACHINE_CPUARCH} == "aarch64" 104CFLAGS+= -mgeneral-regs-only 105.elif ${MACHINE_CPUARCH} != "riscv" 106CFLAGS+= -msoft-float 107.endif 108 109.if ${MACHINE_CPUARCH} == "i386" || (${MACHINE_CPUARCH} == "amd64" && ${DO32:U0} == 1) 110CFLAGS+= -march=i386 111CFLAGS.gcc+= -mpreferred-stack-boundary=2 112.endif 113 114 115.if ${MACHINE_CPUARCH} == "arm" 116# Do not generate movt/movw, because the relocation fixup for them does not 117# translate to the -Bsymbolic -pie format required by self_reloc() in loader(8). 118# Also, the fpu is not available in a standalone environment. 119.if ${COMPILER_VERSION} < 30800 120CFLAGS.clang+= -mllvm -arm-use-movt=0 121.else 122CFLAGS.clang+= -mno-movt 123.endif 124CFLAGS.clang+= -mfpu=none 125.endif 126 127# The boot loader build uses dd status=none, where possible, for reproducible 128# build output (since performance varies from run to run). Trouble is that 129# option was recently (10.3) added to FreeBSD and is non-standard. Only use it 130# when this test succeeds rather than require dd to be a bootstrap tool. 131DD_NOSTATUS!=(dd status=none count=0 2> /dev/null && echo status=none) || true 132DD=dd ${DD_NOSTATUS} 133 134.if ${MK_LOADER_FORCE_LE} != "no" 135.if ${MACHINE_ARCH} == "powerpc64" 136CFLAGS+= -mlittle-endian 137.endif 138.endif 139 140# Make sure we use the machine link we're about to create 141CFLAGS+=-I. 142 143_ILINKS=machine 144.if ${MACHINE} != ${MACHINE_CPUARCH} && ${MACHINE} != "arm64" 145_ILINKS+=${MACHINE_CPUARCH} 146.endif 147.if ${MACHINE_CPUARCH} == "i386" || ${MACHINE_CPUARCH} == "amd64" 148_ILINKS+=x86 149.endif 150CLEANFILES+=${_ILINKS} 151 152all: ${PROG} 153 154beforedepend: ${_ILINKS} 155beforebuild: ${_ILINKS} 156 157# Ensure that the links exist without depending on it when it exists which 158# causes all the modules to be rebuilt when the directory pointed to changes. 159.for _link in ${_ILINKS} 160.if !exists(${.OBJDIR}/${_link}) 161${OBJS}: ${_link} 162.endif 163.endfor 164 165.NOPATH: ${_ILINKS} 166 167${_ILINKS}: 168 @case ${.TARGET} in \ 169 machine) \ 170 if [ ${DO32:U0} -eq 0 ]; then \ 171 path=${SYSDIR}/${MACHINE}/include ; \ 172 else \ 173 path=${SYSDIR}/${MACHINE:C/amd64/i386/}/include ; \ 174 fi ;; \ 175 *) \ 176 path=${SYSDIR}/${.TARGET:T}/include ;; \ 177 esac ; \ 178 path=`(cd $$path && /bin/pwd)` ; \ 179 ${ECHO} ${.TARGET:T} "->" $$path ; \ 180 ln -fhs $$path ${.TARGET:T} 181 182.endif # __BOOT_DEFS_MK__ 183