stand/defs.mk

   1 # $FreeBSD$
   2
   3 .include <src.opts.mk>
   4
   5 WARNS?=1
   6
   7 .if !defined(__BOOT_DEFS_MK__)
   8 __BOOT_DEFS_MK__=${MFILE}
   9
  10 MK_CTF=         no
  11 MK_SSP=         no
  12 MK_PROFILE=     no
  13 MAN=
  14 .if !defined(PIC)
  15 NO_PIC=
  16 INTERNALLIB=
  17 .endif
  18
  19 BOOTSRC=        ${SRCTOP}/stand
  20 EFISRC=         ${BOOTSRC}/efi
  21 EFIINC=         ${EFISRC}/include
  22 EFIINCMD=       ${EFIINC}/${MACHINE}
  23 FDTSRC=         ${BOOTSRC}/fdt
  24 FICLSRC=        ${BOOTSRC}/ficl
  25 LDRSRC=         ${BOOTSRC}/common
  26 LIBLUASRC=      ${BOOTSRC}/liblua
  27 LUASRC=         ${SRCTOP}/contrib/lua/src
  28 SASRC=          ${BOOTSRC}/libsa
  29 SYSDIR=         ${SRCTOP}/sys
  30 UBOOTSRC=       ${BOOTSRC}/uboot
  31 ZFSSRC=         ${SASRC}/zfs
  32
  33 BOOTOBJ=        ${OBJTOP}/stand
  34
  35 # BINDIR is where we install
  36 BINDIR?=        /boot
  37
  38 LIBSA=          ${BOOTOBJ}/libsa/libsa.a
  39 .if ${MACHINE} == "i386"
  40 LIBSA32=        ${LIBSA}
  41 .else
  42 LIBSA32=        ${BOOTOBJ}/libsa32/libsa32.a
  43 .endif
  44
  45 # Standard options:
  46 CFLAGS+=        -nostdinc
  47 .if ${MACHINE_ARCH} == "amd64" && ${DO32:U0} == 1
  48 CFLAGS+=        -I${BOOTOBJ}/libsa32
  49 .else
  50 CFLAGS+=        -I${BOOTOBJ}/libsa
  51 .endif
  52 CFLAGS+=        -I${SASRC} -D_STANDALONE
  53 CFLAGS+=        -I${SYSDIR}
  54 # Spike the floating point interfaces
  55 CFLAGS+=        -Ddouble=jagged-little-pill -Dfloat=floaty-mcfloatface
  56
  57
  58 # GELI Support, with backward compat hooks (mostly)
  59 .if defined(LOADER_NO_GELI_SUPPORT)
  60 MK_LOADER_GELI=no
  61 .warning "Please move from LOADER_NO_GELI_SUPPORT to WITHOUT_LOADER_GELI"
  62 .endif
  63 .if defined(LOADER_GELI_SUPPORT)
  64 MK_LOADER_GELI=yes
  65 .warning "Please move from LOADER_GELI_SUPPORT to WITH_LOADER_GELI"
  66 .endif
  67 .if ${MK_LOADER_GELI} == "yes"
  68 CFLAGS+=        -DLOADER_GELI_SUPPORT
  69 CFLAGS+=        -I${SASRC}/geli
  70 .endif # MK_LOADER_GELI
  71
  72 # These should be confined to loader.mk, but can't because uboot/lib
  73 # also uses it. It's part of loader, but isn't a loader so we can't
  74 # just include loader.mk
  75 .if ${LOADER_DISK_SUPPORT:Uyes} == "yes"
  76 CFLAGS+= -DLOADER_DISK_SUPPORT
  77 .endif
  78
  79 # Machine specific flags for all builds here
  80
  81 # All PowerPC builds are 32 bit. We have no 64-bit loaders on powerpc
  82 # or powerpc64.
  83 .if ${MACHINE_ARCH} == "powerpc64"
  84 CFLAGS+=        -m32 -mcpu=powerpc
  85 .endif
  86
  87 # For amd64, there's a bit of mixed bag. Some of the tree (i386, lib*32) is
  88 # build 32-bit and some 64-bit (lib*, efi). Centralize all the 32-bit magic here
  89 # and activate it when DO32 is explicitly defined to be 1.
  90 .if ${MACHINE_ARCH} == "amd64" && ${DO32:U0} == 1
  91 CFLAGS+=        -m32
  92 # LD_FLAGS is passed directly to ${LD}, not via ${CC}:
  93 LD_FLAGS+=      -m elf_i386_fbsd
  94 AFLAGS+=        --32
  95 .endif
  96
  97 SSP_CFLAGS=
  98
  99 # Add in the no float / no SIMD stuff and announce we're freestanding
 100 # aarch64 and riscv don't have -msoft-float, but all others do. riscv
 101 # currently has no /boot/loader, but may soon.
 102 CFLAGS+=        -ffreestanding ${CFLAGS_NO_SIMD}
 103 .if ${MACHINE_CPUARCH} == "aarch64"
 104 CFLAGS+=        -mgeneral-regs-only -fPIC
 105 .elif ${MACHINE_CPUARCH} == "riscv"
 106 CFLAGS+=        -march=rv64ima -mabi=lp64
 107 .else
 108 CFLAGS+=        -msoft-float
 109 .endif
 110
 111 .if ${MACHINE_CPUARCH} == "i386" || (${MACHINE_CPUARCH} == "amd64" && ${DO32:U0} == 1)
 112 CFLAGS+=        -march=i386
 113 CFLAGS.gcc+=    -mpreferred-stack-boundary=2
 114 .endif
 115 .if ${MACHINE_CPUARCH} == "amd64" && ${DO32:U0} == 0
 116 CFLAGS+=        -fPIC -mno-red-zone
 117 .endif
 118
 119 .if ${MACHINE_CPUARCH} == "arm"
 120 # Do not generate movt/movw, because the relocation fixup for them does not
 121 # translate to the -Bsymbolic -pie format required by self_reloc() in loader(8).
 122 # Also, the fpu is not available in a standalone environment.
 123 .if ${COMPILER_VERSION} < 30800
 124 CFLAGS.clang+=  -mllvm -arm-use-movt=0
 125 .else
 126 CFLAGS.clang+=  -mno-movt
 127 .endif
 128 CFLAGS.clang+=  -mfpu=none
 129 CFLAGS+=        -fPIC
 130 .endif
 131
 132 # The boot loader build uses dd status=none, where possible, for reproducible
 133 # build output (since performance varies from run to run). Trouble is that
 134 # option was recently (10.3) added to FreeBSD and is non-standard. Only use it
 135 # when this test succeeds rather than require dd to be a bootstrap tool.
 136 DD_NOSTATUS!=(dd status=none count=0 2> /dev/null && echo status=none) || true
 137 DD=dd ${DD_NOSTATUS}
 138
 139 .if ${MACHINE_CPUARCH} == "mips"
 140 CFLAGS+=        -G0 -fno-pic -mno-abicalls
 141 .endif
 142
 143 .if ${MK_LOADER_FORCE_LE} != "no"
 144 .if ${MACHINE_ARCH} == "powerpc64"
 145 CFLAGS+=        -mlittle-endian
 146 .endif
 147 .endif
 148
 149 # Make sure we use the machine link we're about to create
 150 CFLAGS+=-I.
 151
 152 all: ${PROG}
 153
 154 .if !defined(NO_OBJ)
 155 _ILINKS=machine
 156 .if ${MACHINE} != ${MACHINE_CPUARCH} && ${MACHINE} != "arm64"
 157 _ILINKS+=${MACHINE_CPUARCH}
 158 .endif
 159 .if ${MACHINE_CPUARCH} == "i386" || ${MACHINE_CPUARCH} == "amd64"
 160 _ILINKS+=x86
 161 .endif
 162 CLEANFILES+=${_ILINKS}
 163
 164 beforedepend: ${_ILINKS}
 165 beforebuild: ${_ILINKS}
 166
 167 # Ensure that the links exist without depending on it when it exists which
 168 # causes all the modules to be rebuilt when the directory pointed to changes.
 169 .for _link in ${_ILINKS}
 170 .if !exists(${.OBJDIR}/${_link})
 171 ${OBJS}:       ${_link}
 172 .endif # _link exists
 173 .endfor
 174
 175 .NOPATH: ${_ILINKS}
 176
 177 ${_ILINKS}:
 178         @case ${.TARGET} in \
 179         machine) \
 180                 if [ ${DO32:U0} -eq 0 ]; then \
 181                         path=${SYSDIR}/${MACHINE}/include ; \
 182                 else \
 183                         path=${SYSDIR}/${MACHINE:C/amd64/i386/}/include ; \
 184                 fi ;; \
 185         *) \
 186                 path=${SYSDIR}/${.TARGET:T}/include ;; \
 187         esac ; \
 188         path=`(cd $$path && /bin/pwd)` ; \
 189         ${ECHO} ${.TARGET:T} "->" $$path ; \
 190         ln -fhs $$path ${.TARGET:T}
 191 .endif # !NO_OBJ
 192 .endif # __BOOT_DEFS_MK__