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 27# NB: The makefiles depend on these being empty when we don't build forth. 28.if ${MK_FORTH} != "no" 29LIBFICL= ${BOOTOBJ}/ficl/libficl.a 30.if ${MACHINE} == "i386" 31LIBFICL32= ${LIBFICL} 32.else 33LIBFICL32= ${BOOTOBJ}/ficl32/libficl.a 34.endif 35.endif 36LIBSA= ${BOOTOBJ}/libsa/libsa.a 37.if ${MACHINE} == "i386" 38LIBSA32= ${LIBSA} 39.else 40LIBSA32= ${BOOTOBJ}/libsa32/libsa32.a 41.endif 42 43# Standard options: 44CFLAGS+= -nostdinc 45.if ${MACHINE_ARCH} == "amd64" && ${DO32:U0} == 1 46CFLAGS+= -I${BOOTOBJ}/libsa32 47.else 48CFLAGS+= -I${BOOTOBJ}/libsa 49.endif 50CFLAGS+= -I${SASRC} -D_STANDALONE 51CFLAGS+= -I${SYSDIR} 52 53# GELI Support, with backward compat hooks (mostly) 54.if defined(HAVE_GELI) 55.if defined(LOADER_NO_GELI_SUPPORT) 56MK_LOADER_GELI=no 57.warning "Please move from LOADER_NO_GELI_SUPPORT to WITHOUT_LOADER_GELI" 58.endif 59.if defined(LOADER_GELI_SUPPORT) 60MK_LOADER_GELI=yes 61.warning "Please move from LOADER_GELI_SUPPORT to WITH_LOADER_GELI" 62.endif 63.if ${MK_LOADER_GELI} == "yes" 64CFLAGS+= -DLOADER_GELI_SUPPORT 65CFLAGS+= -I${BOOTSRC}/geli 66LIBGELIBOOT= ${BOOTOBJ}/geli/libgeliboot.a 67.endif # MK_LOADER_GELI 68.endif # HAVE_GELI 69 70# Machine specific flags for all builds here 71 72# All PowerPC builds are 32 bit. We have no 64-bit loaders on powerpc 73# or powerpc64. 74.if ${MACHINE_ARCH} == "powerpc64" 75CFLAGS+= -m32 -mcpu=powerpc 76.endif 77 78# For amd64, there's a bit of mixed bag. Some of the tree (i386, lib*32) is 79# build 32-bit and some 64-bit (lib*, efi). Centralize all the 32-bit magic here 80# and activate it when DO32 is explicitly defined to be 1. 81.if ${MACHINE_ARCH} == "amd64" && ${DO32:U0} == 1 82CFLAGS+= -m32 -mcpu=i386 83# LD_FLAGS is passed directly to ${LD}, not via ${CC}: 84LD_FLAGS+= -m elf_i386_fbsd 85AFLAGS+= --32 86.endif 87 88SSP_CFLAGS= 89 90# Add in the no float / no SIMD stuff and announce we're freestanding 91# aarch64 and riscv don't have -msoft-float, but all others do. riscv 92# currently has no /boot/loader, but may soon. 93CFLAGS+= -ffreestanding ${CFLAGS_NO_SIMD} 94.if ${MACHINE_CPUARCH} == "aarch64" 95CFLAGS+= -mgeneral-regs-only 96.elif ${MACHINE_CPUARCH} != "riscv" 97CFLAGS+= -msoft-float 98.endif 99 100.if ${MACHINE_CPUARCH} == "i386" || (${MACHINE_CPUARCH} == "amd64" && ${DO32:U0} == 1) 101CFLAGS+= -march=i386 102CFLAGS.gcc+= -mpreferred-stack-boundary=2 103.endif 104 105 106.if ${MACHINE_CPUARCH} == "arm" 107# Do not generate movt/movw, because the relocation fixup for them does not 108# translate to the -Bsymbolic -pie format required by self_reloc() in loader(8). 109# Also, the fpu is not available in a standalone environment. 110.if ${COMPILER_VERSION} < 30800 111CFLAGS.clang+= -mllvm -arm-use-movt=0 112.else 113CFLAGS.clang+= -mno-movt 114.endif 115CFLAGS.clang+= -mfpu=none 116.endif 117 118# The boot loader build uses dd status=none, where possible, for reproducible 119# build output (since performance varies from run to run). Trouble is that 120# option was recently (10.3) added to FreeBSD and is non-standard. Only use it 121# when this test succeeds rather than require dd to be a bootstrap tool. 122DD_NOSTATUS!=(dd status=none count=0 2> /dev/null && echo status=none) || true 123DD=dd ${DD_NOSTATUS} 124 125.if ${MK_LOADER_FORCE_LE} != "no" 126.if ${MACHINE_ARCH} == "powerpc64" 127CFLAGS+= -mlittle-endian 128.endif 129.endif 130 131# Make sure we use the machine link we're about to create 132CFLAGS+=-I. 133 134_ILINKS=machine 135.if ${MACHINE} != ${MACHINE_CPUARCH} && ${MACHINE} != "arm64" 136_ILINKS+=${MACHINE_CPUARCH} 137.endif 138.if ${MACHINE_CPUARCH} == "i386" || ${MACHINE_CPUARCH} == "amd64" 139_ILINKS+=x86 140.endif 141CLEANFILES+=${_ILINKS} 142 143all: ${PROG} 144 145beforedepend: ${_ILINKS} 146beforebuild: ${_ILINKS} 147 148# Ensure that the links exist without depending on it when it exists which 149# causes all the modules to be rebuilt when the directory pointed to changes. 150.for _link in ${_ILINKS} 151.if !exists(${.OBJDIR}/${_link}) 152${OBJS}: ${_link} 153.endif 154.endfor 155 156.NOPATH: ${_ILINKS} 157 158${_ILINKS}: 159 @case ${.TARGET} in \ 160 machine) \ 161 if [ ${DO32:U0} -eq 0 ]; then \ 162 path=${SYSDIR}/${MACHINE}/include ; \ 163 else \ 164 path=${SYSDIR}/${MACHINE:C/amd64/i386/}/include ; \ 165 fi ;; \ 166 *) \ 167 path=${SYSDIR}/${.TARGET:T}/include ;; \ 168 esac ; \ 169 path=`(cd $$path && /bin/pwd)` ; \ 170 ${ECHO} ${.TARGET:T} "->" $$path ; \ 171 ln -fhs $$path ${.TARGET:T} 172 173.endif # __BOOT_DEFS_MK__ 174