56# GELI Support, with backward compat hooks (mostly) 57.if defined(HAVE_GELI) 58.if defined(LOADER_NO_GELI_SUPPORT) 59MK_LOADER_GELI=no 60.warning "Please move from LOADER_NO_GELI_SUPPORT to WITHOUT_LOADER_GELI" 61.endif 62.if defined(LOADER_GELI_SUPPORT) 63MK_LOADER_GELI=yes 64.warning "Please move from LOADER_GELI_SUPPORT to WITH_LOADER_GELI" 65.endif 66.if ${MK_LOADER_GELI} == "yes" 67CFLAGS+= -DLOADER_GELI_SUPPORT 68CFLAGS+= -I${BOOTSRC}/geli 69LIBGELIBOOT= ${BOOTOBJ}/geli/libgeliboot.a 70.endif # MK_LOADER_GELI 71.endif # HAVE_GELI 72 73# These should be confined to loader.mk, but can't because uboot/lib 74# also uses it. It's part of loader, but isn't a loader so we can't 75# just include loader.mk 76.if ${LOADER_DISK_SUPPORT:Uyes} == "yes" 77CFLAGS+= -DLOADER_DISK_SUPPORT 78.endif 79 80# Machine specific flags for all builds here 81 82# All PowerPC builds are 32 bit. We have no 64-bit loaders on powerpc 83# or powerpc64. 84.if ${MACHINE_ARCH} == "powerpc64" 85CFLAGS+= -m32 -mcpu=powerpc 86.endif 87 88# For amd64, there's a bit of mixed bag. Some of the tree (i386, lib*32) is 89# build 32-bit and some 64-bit (lib*, efi). Centralize all the 32-bit magic here 90# and activate it when DO32 is explicitly defined to be 1. 91.if ${MACHINE_ARCH} == "amd64" && ${DO32:U0} == 1 92CFLAGS+= -m32 -mcpu=i386 93# LD_FLAGS is passed directly to ${LD}, not via ${CC}: 94LD_FLAGS+= -m elf_i386_fbsd 95AFLAGS+= --32 96.endif 97 98SSP_CFLAGS= 99 100# Add in the no float / no SIMD stuff and announce we're freestanding 101# aarch64 and riscv don't have -msoft-float, but all others do. riscv 102# currently has no /boot/loader, but may soon. 103CFLAGS+= -ffreestanding ${CFLAGS_NO_SIMD} 104.if ${MACHINE_CPUARCH} == "aarch64" 105CFLAGS+= -mgeneral-regs-only -fPIC 106.elif ${MACHINE_CPUARCH} == "riscv" 107CFLAGS+= -march=rv64imac -mabi=lp64 108.else 109CFLAGS+= -msoft-float 110.endif 111 112.if ${MACHINE_CPUARCH} == "i386" || (${MACHINE_CPUARCH} == "amd64" && ${DO32:U0} == 1) 113CFLAGS+= -march=i386 114CFLAGS.gcc+= -mpreferred-stack-boundary=2 115.endif 116.if ${MACHINE_CPUARCH} == "amd64" && ${DO32:U0} == 0 117CFLAGS+= -fPIC -mno-red-zone 118.endif 119 120.if ${MACHINE_CPUARCH} == "arm" 121# Do not generate movt/movw, because the relocation fixup for them does not 122# translate to the -Bsymbolic -pie format required by self_reloc() in loader(8). 123# Also, the fpu is not available in a standalone environment. 124.if ${COMPILER_VERSION} < 30800 125CFLAGS.clang+= -mllvm -arm-use-movt=0 126.else 127CFLAGS.clang+= -mno-movt 128.endif 129CFLAGS.clang+= -mfpu=none 130CFLAGS+= -fPIC 131.endif 132 133# The boot loader build uses dd status=none, where possible, for reproducible 134# build output (since performance varies from run to run). Trouble is that 135# option was recently (10.3) added to FreeBSD and is non-standard. Only use it 136# when this test succeeds rather than require dd to be a bootstrap tool. 137DD_NOSTATUS!=(dd status=none count=0 2> /dev/null && echo status=none) || true 138DD=dd ${DD_NOSTATUS} 139 140.if ${MACHINE_CPUARCH} == "mips" 141CFLAGS+= -G0 -fno-pic -mno-abicalls 142.endif 143 144.if ${MK_LOADER_FORCE_LE} != "no" 145.if ${MACHINE_ARCH} == "powerpc64" 146CFLAGS+= -mlittle-endian 147.endif 148.endif 149 150# Make sure we use the machine link we're about to create 151CFLAGS+=-I. 152 153all: ${PROG} 154 155.if !defined(NO_OBJ) 156_ILINKS=machine 157.if ${MACHINE} != ${MACHINE_CPUARCH} && ${MACHINE} != "arm64" 158_ILINKS+=${MACHINE_CPUARCH} 159.endif 160.if ${MACHINE_CPUARCH} == "i386" || ${MACHINE_CPUARCH} == "amd64" 161_ILINKS+=x86 162.endif 163CLEANFILES+=${_ILINKS} 164 165beforedepend: ${_ILINKS} 166beforebuild: ${_ILINKS} 167 168# Ensure that the links exist without depending on it when it exists which 169# causes all the modules to be rebuilt when the directory pointed to changes. 170.for _link in ${_ILINKS} 171.if !exists(${.OBJDIR}/${_link}) 172${OBJS}: ${_link} 173.endif # _link exists 174.endfor 175 176.NOPATH: ${_ILINKS} 177 178${_ILINKS}: 179 @case ${.TARGET} in \ 180 machine) \ 181 if [ ${DO32:U0} -eq 0 ]; then \ 182 path=${SYSDIR}/${MACHINE}/include ; \ 183 else \ 184 path=${SYSDIR}/${MACHINE:C/amd64/i386/}/include ; \ 185 fi ;; \ 186 *) \ 187 path=${SYSDIR}/${.TARGET:T}/include ;; \ 188 esac ; \ 189 path=`(cd $$path && /bin/pwd)` ; \ 190 ${ECHO} ${.TARGET:T} "->" $$path ; \ 191 ln -fhs $$path ${.TARGET:T} 192.endif # !NO_OBJ 193.endif # __BOOT_DEFS_MK__
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