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