05f37f4d86
Building with the standard system headers isn't a perfect match to the stand environment. Instead, copy over the files we know are safe to use and constrain what else is used. We use -nostdinc to achieve this. This also fixes issues with building 32-bit libraries on amd64 sometimes pulling in the wrong cpufunc.h giving an error now that we stop on errors. It will also enable an easier transition to lua boot. Sponsored by: Netflix
225 lines
5.7 KiB
Makefile
225 lines
5.7 KiB
Makefile
# $FreeBSD$
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.include <src.opts.mk>
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WARNS?=1
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.if !defined(__BOOT_DEFS_MK__)
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__BOOT_DEFS_MK__=${MFILE}
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BOOTSRC= ${SRCTOP}/stand
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EFISRC= ${BOOTSRC}/efi
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EFIINC= ${EFISRC}/include
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EFIINCMD= ${EFIINC}/${MACHINE}
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FDTSRC= ${BOOTSRC}/fdt
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FICLSRC= ${BOOTSRC}/ficl
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LDRSRC= ${BOOTSRC}/common
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SASRC= ${BOOTSRC}/libsa
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SYSDIR= ${SRCTOP}/sys
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UBOOTSRC= ${BOOTSRC}/uboot
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ZFSSRC= ${BOOTSRC}/zfs
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BOOTOBJ= ${OBJTOP}/stand
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# BINDIR is where we install
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BINDIR?= /boot
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# NB: The makefiles depend on these being empty when we don't build forth.
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.if ${MK_FORTH} != "no"
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LIBFICL= ${BOOTOBJ}/ficl/libficl.a
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.if ${MACHINE} == "i386"
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LIBFICL32= ${LIBFICL}
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.else
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LIBFICL32= ${BOOTOBJ}/ficl32/libficl.a
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.endif
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.endif
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LIBSA= ${BOOTOBJ}/libsa/libsa.a
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.if ${MACHINE} == "i386"
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LIBSA32= ${LIBSA}
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.else
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LIBSA32= ${BOOTOBJ}/libsa32/libsa32.a
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.endif
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# Standard options:
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CFLAGS+= -nostdinc
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.if ${MACHINE_ARCH} == "amd64" && ${DO32:U0} == 1
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CFLAGS+= -I${BOOTOBJ}/libsa32
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.else
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CFLAGS+= -I${BOOTOBJ}/libsa
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.endif
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CFLAGS+= -I${SASRC} -D_STANDALONE
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CFLAGS+= -I${SYSDIR}
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# Filesystem support
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.if ${LOADER_CD9660_SUPPORT:Uno} == "yes"
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CFLAGS+= -DLOADER_CD9660_SUPPORT
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.endif
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.if ${LOADER_EXT2FS_SUPPORT:Uno} == "yes"
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CFLAGS+= -DLOADER_EXT2FS_SUPPORT
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.endif
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.if ${LOADER_MSDOS_SUPPORT:Uno} == "yes"
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CFLAGS+= -DLOADER_MSDOS_SUPPORT
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.endif
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.if ${LOADER_NANDFS_SUPPORT:U${MK_NAND}} == "yes"
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CFLAGS+= -DLOADER_NANDFS_SUPPORT
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.endif
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.if ${LOADER_UFS_SUPPORT:Uyes} == "yes"
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CFLAGS+= -DLOADER_UFS_SUPPORT
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.endif
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# Compression
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.if ${LOADER_GZIP_SUPPORT:Uno} == "yes"
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CFLAGS+= -DLOADER_GZIP_SUPPORT
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.endif
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.if ${LOADER_BZIP2_SUPPORT:Uno} == "yes"
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CFLAGS+= -DLOADER_BZIP2_SUPPORT
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.endif
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# Network related things
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.if ${LOADER_NET_SUPPORT:Uno} == "yes"
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CFLAGS+= -DLOADER_NET_SUPPORT
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.endif
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.if ${LOADER_NFS_SUPPORT:Uno} == "yes"
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CFLAGS+= -DLOADER_NFS_SUPPORT
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.endif
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.if ${LOADER_TFTP_SUPPORT:Uno} == "yes"
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CFLAGS+= -DLOADER_TFTP_SUPPORT
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.endif
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# Disk and partition support
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.if ${LOADER_DISK_SUPPORT:Uyes} == "yes"
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CFLAGS+= -DLOADER_DISK_SUPPORT
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.if ${LOADER_GPT_SUPPORT:Uyes} == "yes"
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CFLAGS+= -DLOADER_GPT_SUPPORT
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.endif
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.if ${LOADER_MBR_SUPPORT:Uyes} == "yes"
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CFLAGS+= -DLOADER_MBR_SUPPORT
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.endif
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# GELI Support, with backward compat hooks
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.if defined(HAVE_GELI)
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.if defined(LOADER_NO_GELI_SUPPORT)
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MK_LOADER_GELI=no
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.warning "Please move from LOADER_NO_GELI_SUPPORT to WITHOUT_LOADER_GELI"
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.endif
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.if defined(LOADER_GELI_SUPPORT)
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MK_LOADER_GELI=yes
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.warning "Please move from LOADER_GELI_SUPPORT to WITH_LOADER_GELI"
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.endif
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.if ${MK_LOADER_GELI} == "yes"
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CFLAGS+= -DLOADER_GELI_SUPPORT
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CFLAGS+= -I${BOOTSRC}/geli
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LIBGELIBOOT= ${BOOTOBJ}/geli/libgeliboot.a
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.endif
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.endif
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.endif
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# Machine specific flags for all builds here
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# All PowerPC builds are 32 bit. We have no 64-bit loaders on powerpc
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# or powerpc64.
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.if ${MACHINE_ARCH} == "powerpc64"
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CFLAGS+= -m32 -mcpu=powerpc
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.endif
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# For amd64, there's a bit of mixed bag. Some of the tree (i386, lib*32) is
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# build 32-bit and some 64-bit (lib*, efi). Centralize all the 32-bit magic here
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# and activate it when DO32 is explicitly defined to be 1.
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.if ${MACHINE_ARCH} == "amd64" && ${DO32:U0} == 1
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CFLAGS+= -m32 -mcpu=i386
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# LD_FLAGS is passed directly to ${LD}, not via ${CC}:
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LD_FLAGS+= -m elf_i386_fbsd
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AFLAGS+= --32
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.endif
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SSP_CFLAGS=
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# Add in the no float / no SIMD stuff and announce we're freestanding
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# aarch64 and riscv don't have -msoft-float, but all others do. riscv
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# currently has no /boot/loader, but may soon.
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CFLAGS+= -ffreestanding ${CFLAGS_NO_SIMD}
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.if ${MACHINE_CPUARCH} == "aarch64"
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CFLAGS+= -mgeneral-regs-only
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.elif ${MACHINE_CPUARCH} != "riscv"
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CFLAGS+= -msoft-float
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.endif
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.if ${MACHINE_CPUARCH} == "i386" || (${MACHINE_CPUARCH} == "amd64" && ${DO32:U0} == 1)
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CFLAGS+= -march=i386
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CFLAGS.gcc+= -mpreferred-stack-boundary=2
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.endif
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.if ${MACHINE_CPUARCH} == "arm"
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# Do not generate movt/movw, because the relocation fixup for them does not
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# translate to the -Bsymbolic -pie format required by self_reloc() in loader(8).
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# Also, the fpu is not available in a standalone environment.
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.if ${COMPILER_VERSION} < 30800
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CFLAGS.clang+= -mllvm -arm-use-movt=0
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.else
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CFLAGS.clang+= -mno-movt
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.endif
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CFLAGS.clang+= -mfpu=none
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.endif
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# The boot loader build uses dd status=none, where possible, for reproducible
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# build output (since performance varies from run to run). Trouble is that
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# option was recently (10.3) added to FreeBSD and is non-standard. Only use it
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# when this test succeeds rather than require dd to be a bootstrap tool.
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DD_NOSTATUS!=(dd status=none count=0 2> /dev/null && echo status=none) || true
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DD=dd ${DD_NOSTATUS}
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.if ${MK_LOADER_FORCE_LE} != "no"
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.if ${MACHINE_ARCH} == "powerpc64"
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CFLAGS+= -mlittle-endian
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.endif
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.endif
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# Make sure we use the machine link we're about to create
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CFLAGS+=-I.
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_ILINKS=machine
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.if ${MACHINE} != ${MACHINE_CPUARCH} && ${MACHINE} != "arm64"
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_ILINKS+=${MACHINE_CPUARCH}
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.endif
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.if ${MACHINE_CPUARCH} == "i386" || ${MACHINE_CPUARCH} == "amd64"
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_ILINKS+=x86
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.endif
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CLEANFILES+=${_ILINKS}
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all: ${PROG}
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beforedepend: ${_ILINKS}
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beforebuild: ${_ILINKS}
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# Ensure that the links exist without depending on it when it exists which
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# causes all the modules to be rebuilt when the directory pointed to changes.
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.for _link in ${_ILINKS}
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.if !exists(${.OBJDIR}/${_link})
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${OBJS}: ${_link}
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.endif
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.endfor
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.NOPATH: ${_ILINKS}
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${_ILINKS}:
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@case ${.TARGET} in \
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machine) \
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if [ ${DO32:U0} -eq 0 ]; then \
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path=${SYSDIR}/${MACHINE}/include ; \
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else \
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path=${SYSDIR}/${MACHINE:C/amd64/i386/}/include ; \
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fi ;; \
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*) \
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path=${SYSDIR}/${.TARGET:T}/include ;; \
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esac ; \
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path=`(cd $$path && /bin/pwd)` ; \
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${ECHO} ${.TARGET:T} "->" $$path ; \
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ln -fhs $$path ${.TARGET:T}
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# For loader implementations, we generate a loader.help file. This can be suppressed by
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# setting HELP_FILES to nothing.
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HELP_FILES= ${LDRSRC}/help.common
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.endif # __BOOT_DEFS_MK__
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