diff --git a/stand/defs.mk b/stand/defs.mk index 1e22f7b7c693..aee4636985ac 100644 --- a/stand/defs.mk +++ b/stand/defs.mk @@ -1,256 +1,257 @@ # $FreeBSD$ .if !defined(__BOOT_DEFS_MK__) __BOOT_DEFS_MK__=${MFILE} # We need to define all the MK_ options before including src.opts.mk # because it includes bsd.own.mk which needs the right MK_ values, # espeically MK_CTF. MK_CTF= no MK_SSP= no MK_PROFILE= no +MK_PIE= no MAN= .if !defined(PIC) NO_PIC= INTERNALLIB= .endif # Should be NO_CPU_FLAGS, but bsd.cpu.mk is included too early in bsd.init.mk # via the early include of bsd.opts.mk. Moving Makefile.inc include earlier in # that file causes weirdness, so this is the next best thing. We need to do this # because the loader needs very specific flags to work right, and things like # CPUTYPE?=native prevent that, and introduce an endless game of whack-a-mole # to disable more and more features. Boot loader performance is never improved # enough to make that hassle worth chasing. _CPUCFLAGS= .if ${LDFLAGS:M-nostdlib} # Sanitizers won't work unless we link against libc (e.g. in userboot/test). MK_ASAN:= no MK_UBSAN:= no .endif .include .include WARNS?= 1 BOOTSRC= ${SRCTOP}/stand EFISRC= ${BOOTSRC}/efi EFIINC= ${EFISRC}/include EFIINCMD= ${EFIINC}/${MACHINE} FDTSRC= ${BOOTSRC}/fdt FICLSRC= ${BOOTSRC}/ficl LDRSRC= ${BOOTSRC}/common LIBLUASRC= ${BOOTSRC}/liblua LIBOFWSRC= ${BOOTSRC}/libofw LUASRC= ${SRCTOP}/contrib/lua/src SASRC= ${BOOTSRC}/libsa SYSDIR= ${SRCTOP}/sys UBOOTSRC= ${BOOTSRC}/uboot ZFSSRC= ${SASRC}/zfs OZFS= ${SRCTOP}/sys/contrib/openzfs ZFSOSSRC= ${OZFS}/module/os/freebsd/ ZFSOSINC= ${OZFS}/include/os/freebsd LIBCSRC= ${SRCTOP}/lib/libc BOOTOBJ= ${OBJTOP}/stand # BINDIR is where we install BINDIR?= /boot # LUAPATH is where we search for and install lua scripts. LUAPATH?= /boot/lua FLUASRC?= ${SRCTOP}/libexec/flua LIBSA= ${BOOTOBJ}/libsa/libsa.a .if ${MACHINE} == "i386" LIBSA32= ${LIBSA} .else LIBSA32= ${BOOTOBJ}/libsa32/libsa32.a .endif # Standard options: CFLAGS+= -nostdinc # Allow CFLAGS_EARLY.file/target so that code that needs specific stack # of include paths can set them up before our include paths. Normally # the only thing that should be there are -I directives, and as few of # those as possible. CFLAGS+= ${CFLAGS_EARLY} ${CFLAGS_EARLY.${.IMPSRC:T}} ${CFLAGS_EARLY.${.TARGET:T}} .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 .if ${MACHINE_ARCH} == "i386" || ${MACHINE_ARCH} == "amd64" # Slim down the image. This saves about 15% in size with clang 6 on x86 # Our most constrained /boot/loader env is BIOS booting on x86, where # our text + data + BTX have to fit into 640k below the ISA hole. # Experience has shown that problems arise between ~520k to ~530k. CFLAGS.clang+= -Oz CFLAGS.gcc+= -Os CFLAGS+= -ffunction-sections -fdata-sections .endif # GELI Support, with backward compat hooks (mostly) .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 ${MK_LOADER_GELI} == "yes" CFLAGS+= -DLOADER_GELI_SUPPORT CFLAGS+= -I${SASRC}/geli .endif # MK_LOADER_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 # Ensure PowerPC64 and PowerPC64LE boot loaders are compiled as 32 bit # and in big endian. .if ${MACHINE_ARCH:Mpowerpc64*} != "" CFLAGS+= -m32 -mcpu=powerpc -mbig-endian .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 # LD_FLAGS is passed directly to ${LD}, not via ${CC}: LD_FLAGS+= -m elf_i386_fbsd AFLAGS+= --32 .endif # 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. CFLAGS+= -ffreestanding ${CFLAGS_NO_SIMD} .if ${MACHINE_CPUARCH} == "aarch64" CFLAGS+= -mgeneral-regs-only -ffixed-x18 -fPIC .elif ${MACHINE_CPUARCH} == "riscv" CFLAGS+= -march=rv64imac -mabi=lp64 -fPIC CFLAGS.clang+= -mcmodel=medium CFLAGS.gcc+= -mcmodel=medany .else CFLAGS+= -msoft-float .endif # -msoft-float seems to be insufficient for powerpcspe .if ${MACHINE_ARCH} == "powerpcspe" CFLAGS+= -mno-spe .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. CFLAGS.clang+= -mno-movt CFLAGS.clang+= -mfpu=none CFLAGS+= -fPIC .endif # Some RISC-V linkers have support for relaxations, while some (lld) do not # yet. If this is the case we inhibit the compiler from emitting relaxations. .if ${LINKER_FEATURES:Mriscv-relaxations} == "" CFLAGS+= -mno-relax .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 # # Have a sensible default # .if ${MK_LOADER_LUA} == "yes" LOADER_DEFAULT_INTERP?=lua .elif ${MK_FORTH} == "yes" LOADER_DEFAULT_INTERP?=4th .else LOADER_DEFAULT_INTERP?=simp .endif LOADER_INTERP?=${LOADER_DEFAULT_INTERP} # Make sure we use the machine link we're about to create CFLAGS+=-I. all: ${PROG} CLEANFILES+= teken_state.h teken.c: teken_state.h teken_state.h: ${SYSDIR}/teken/sequences awk -f ${SYSDIR}/teken/gensequences \ ${SYSDIR}/teken/sequences > teken_state.h .if !defined(NO_OBJ) _ILINKS=include/machine .if ${MACHINE} != ${MACHINE_CPUARCH} && ${MACHINE} != "arm64" _ILINKS+=include/${MACHINE_CPUARCH} .endif .if ${MACHINE_CPUARCH} == "i386" || ${MACHINE_CPUARCH} == "amd64" _ILINKS+=include/x86 .endif CFLAGS+= -Iinclude CLEANDIRS+= include 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}: .NOMETA @case ${.TARGET:T} 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 ; \ case ${.TARGET} in \ */*) mkdir -p ${.TARGET:H};; \ esac ; \ path=`(cd $$path && /bin/pwd)` ; \ ${ECHO} ${.TARGET} "->" $$path ; \ ln -fns $$path ${.TARGET} .endif # !NO_OBJ .endif # __BOOT_DEFS_MK__