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|
# $FreeBSD$
.include <src.opts.mk>
WARNS?=1
.if !defined(__BOOT_DEFS_MK__)
__BOOT_DEFS_MK__=${MFILE}
MK_CTF= no
MK_SSP= no
MK_PROFILE= no
MAN=
.if !defined(PIC)
NO_PIC=
INTERNALLIB=
.endif
BOOTSRC= ${SRCTOP}/stand
EFISRC= ${BOOTSRC}/efi
EFIINC= ${EFISRC}/include
EFIINCMD= ${EFIINC}/${MACHINE}
FDTSRC= ${BOOTSRC}/fdt
FICLSRC= ${BOOTSRC}/ficl
LDRSRC= ${BOOTSRC}/common
SASRC= ${BOOTSRC}/libsa
SYSDIR= ${SRCTOP}/sys
UBOOTSRC= ${BOOTSRC}/uboot
ZFSSRC= ${BOOTSRC}/zfs
BOOTOBJ= ${OBJTOP}/stand
# BINDIR is where we install
BINDIR?= /boot
LIBSA= ${BOOTOBJ}/libsa/libsa.a
.if ${MACHINE} == "i386"
LIBSA32= ${LIBSA}
.else
LIBSA32= ${BOOTOBJ}/libsa32/libsa32.a
.endif
# Standard options:
CFLAGS+= -nostdinc
.if ${MACHINE_ARCH} == "amd64" && ${DO32:U0} == 1
CFLAGS+= -I${BOOTOBJ}/libsa32
.else
CFLAGS+= -I${BOOTOBJ}/libsa
.endif
CFLAGS+= -I${SASRC} -D_STANDALONE
CFLAGS+= -I${SYSDIR}
# Spike the floating point interfaces
CFLAGS+= -Ddouble=jagged-little-pill -Dfloat=floaty-mcfloatface
# GELI Support, with backward compat hooks (mostly)
.if defined(HAVE_GELI)
.if defined(LOADER_NO_GELI_SUPPORT)
MK_LOADER_GELI=no
.warning "Please move from LOADER_NO_GELI_SUPPORT to WITHOUT_LOADER_GELI"
.endif
.if defined(LOADER_GELI_SUPPORT)
MK_LOADER_GELI=yes
.warning "Please move from LOADER_GELI_SUPPORT to WITH_LOADER_GELI"
.endif
.if ${MK_LOADER_GELI} == "yes"
CFLAGS+= -DLOADER_GELI_SUPPORT
CFLAGS+= -I${BOOTSRC}/geli
LIBGELIBOOT= ${BOOTOBJ}/geli/libgeliboot.a
.endif # MK_LOADER_GELI
.endif # HAVE_GELI
# These should be confined to loader.mk, but can't because uboot/lib
# also uses it. It's part of loader, but isn't a loader so we can't
# just include loader.mk
.if ${LOADER_DISK_SUPPORT:Uyes} == "yes"
CFLAGS+= -DLOADER_DISK_SUPPORT
.endif
# Machine specific flags for all builds here
# All PowerPC builds are 32 bit. We have no 64-bit loaders on powerpc
# or powerpc64.
.if ${MACHINE_ARCH} == "powerpc64"
CFLAGS+= -m32 -mcpu=powerpc
.endif
# For amd64, there's a bit of mixed bag. Some of the tree (i386, lib*32) is
# build 32-bit and some 64-bit (lib*, efi). Centralize all the 32-bit magic here
# and activate it when DO32 is explicitly defined to be 1.
.if ${MACHINE_ARCH} == "amd64" && ${DO32:U0} == 1
CFLAGS+= -m32 -mcpu=i386
# LD_FLAGS is passed directly to ${LD}, not via ${CC}:
LD_FLAGS+= -m elf_i386_fbsd
AFLAGS+= --32
.endif
SSP_CFLAGS=
# Add in the no float / no SIMD stuff and announce we're freestanding
# aarch64 and riscv don't have -msoft-float, but all others do. riscv
# currently has no /boot/loader, but may soon.
CFLAGS+= -ffreestanding ${CFLAGS_NO_SIMD}
.if ${MACHINE_CPUARCH} == "aarch64"
CFLAGS+= -mgeneral-regs-only -fPIC
.elif ${MACHINE_CPUARCH} == "riscv"
CFLAGS+= -march=rv64imac -mabi=lp64
.else
CFLAGS+= -msoft-float
.endif
.if ${MACHINE_CPUARCH} == "i386" || (${MACHINE_CPUARCH} == "amd64" && ${DO32:U0} == 1)
CFLAGS+= -march=i386
CFLAGS.gcc+= -mpreferred-stack-boundary=2
.endif
.if ${MACHINE_CPUARCH} == "amd64" && ${DO32:U0} == 0
CFLAGS+= -fPIC -mno-red-zone
.endif
.if ${MACHINE_CPUARCH} == "arm"
# Do not generate movt/movw, because the relocation fixup for them does not
# translate to the -Bsymbolic -pie format required by self_reloc() in loader(8).
# Also, the fpu is not available in a standalone environment.
.if ${COMPILER_VERSION} < 30800
CFLAGS.clang+= -mllvm -arm-use-movt=0
.else
CFLAGS.clang+= -mno-movt
.endif
CFLAGS.clang+= -mfpu=none
CFLAGS+= -fPIC
.endif
# The boot loader build uses dd status=none, where possible, for reproducible
# build output (since performance varies from run to run). Trouble is that
# option was recently (10.3) added to FreeBSD and is non-standard. Only use it
# when this test succeeds rather than require dd to be a bootstrap tool.
DD_NOSTATUS!=(dd status=none count=0 2> /dev/null && echo status=none) || true
DD=dd ${DD_NOSTATUS}
.if ${MACHINE_CPUARCH} == "mips"
CFLAGS+= -G0 -fno-pic -mno-abicalls
.endif
.if ${MK_LOADER_FORCE_LE} != "no"
.if ${MACHINE_ARCH} == "powerpc64"
CFLAGS+= -mlittle-endian
.endif
.endif
# Make sure we use the machine link we're about to create
CFLAGS+=-I.
all: ${PROG}
.if !defined(NO_OBJ)
_ILINKS=machine
.if ${MACHINE} != ${MACHINE_CPUARCH} && ${MACHINE} != "arm64"
_ILINKS+=${MACHINE_CPUARCH}
.endif
.if ${MACHINE_CPUARCH} == "i386" || ${MACHINE_CPUARCH} == "amd64"
_ILINKS+=x86
.endif
CLEANFILES+=${_ILINKS}
beforedepend: ${_ILINKS}
beforebuild: ${_ILINKS}
# Ensure that the links exist without depending on it when it exists which
# causes all the modules to be rebuilt when the directory pointed to changes.
.for _link in ${_ILINKS}
.if !exists(${.OBJDIR}/${_link})
${OBJS}: ${_link}
.endif # _link exists
.endfor
.NOPATH: ${_ILINKS}
${_ILINKS}:
@case ${.TARGET} in \
machine) \
if [ ${DO32:U0} -eq 0 ]; then \
path=${SYSDIR}/${MACHINE}/include ; \
else \
path=${SYSDIR}/${MACHINE:C/amd64/i386/}/include ; \
fi ;; \
*) \
path=${SYSDIR}/${.TARGET:T}/include ;; \
esac ; \
path=`(cd $$path && /bin/pwd)` ; \
${ECHO} ${.TARGET:T} "->" $$path ; \
ln -fhs $$path ${.TARGET:T}
.endif # !NO_OBJ
.endif # __BOOT_DEFS_MK__
|
