stand/defs.mk

   1 # $FreeBSD$
   2
   3 .if !defined(__BOOT_DEFS_MK__)
   4 __BOOT_DEFS_MK__=${MFILE}
   5
   6 # We need to define all the MK_ options before including src.opts.mk
   7 # because it includes bsd.own.mk which needs the right MK_ values,
   8 # espeically MK_CTF.
   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 .include <src.opts.mk>
  20
  21 WARNS?=         1
  22
  23 BOOTSRC=        ${SRCTOP}/stand
  24 EFISRC=         ${BOOTSRC}/efi
  25 EFIINC=         ${EFISRC}/include
  26 EFIINCMD=       ${EFIINC}/${MACHINE}
  27 FDTSRC=         ${BOOTSRC}/fdt
  28 FICLSRC=        ${BOOTSRC}/ficl
  29 LDRSRC=         ${BOOTSRC}/common
  30 LIBLUASRC=      ${BOOTSRC}/liblua
  31 LUASRC=         ${SRCTOP}/contrib/lua/src
  32 SASRC=          ${BOOTSRC}/libsa
  33 SYSDIR=         ${SRCTOP}/sys
  34 UBOOTSRC=       ${BOOTSRC}/uboot
  35 ZFSSRC=         ${SASRC}/zfs
  36 LIBCSRC=        ${SRCTOP}/lib/libc
  37
  38 BOOTOBJ=        ${OBJTOP}/stand
  39
  40 # BINDIR is where we install
  41 BINDIR?=        /boot
  42
  43 # LUAPATH is where we search for and install lua scripts.
  44 LUAPATH?=       /boot/lua
  45 FLUASRC?=       ${SRCTOP}/libexec/flua
  46
  47 LIBSA=          ${BOOTOBJ}/libsa/libsa.a
  48 .if ${MACHINE} == "i386"
  49 LIBSA32=        ${LIBSA}
  50 .else
  51 LIBSA32=        ${BOOTOBJ}/libsa32/libsa32.a
  52 .endif
  53
  54 # Standard options:
  55 CFLAGS+=        -nostdinc
  56 .if ${MACHINE_ARCH} == "amd64" && ${DO32:U0} == 1
  57 CFLAGS+=        -I${BOOTOBJ}/libsa32
  58 .else
  59 CFLAGS+=        -I${BOOTOBJ}/libsa
  60 .endif
  61 CFLAGS+=        -I${SASRC} -D_STANDALONE
  62 CFLAGS+=        -I${SYSDIR}
  63 # Spike the floating point interfaces
  64 CFLAGS+=        -Ddouble=jagged-little-pill -Dfloat=floaty-mcfloatface
  65 .if ${MACHINE_ARCH} == "i386" || ${MACHINE_ARCH} == "amd64"
  66 # Slim down the image. This saves about 15% in size with clang 6 on x86
  67 # Our most constrained /boot/loader env is BIOS booting on x86, where
  68 # our text + data + BTX have to fit into 640k below the ISA hole.
  69 # Experience has shown that problems arise between ~520k to ~530k.
  70 CFLAGS.clang+=  -Oz
  71 CFLAGS.gcc+=    -Os
  72 CFLAGS+=        -ffunction-sections -fdata-sections
  73 .endif
  74
  75 # GELI Support, with backward compat hooks (mostly)
  76 .if defined(LOADER_NO_GELI_SUPPORT)
  77 MK_LOADER_GELI=no
  78 .warning "Please move from LOADER_NO_GELI_SUPPORT to WITHOUT_LOADER_GELI"
  79 .endif
  80 .if defined(LOADER_GELI_SUPPORT)
  81 MK_LOADER_GELI=yes
  82 .warning "Please move from LOADER_GELI_SUPPORT to WITH_LOADER_GELI"
  83 .endif
  84 .if ${MK_LOADER_GELI} == "yes"
  85 CFLAGS+=        -DLOADER_GELI_SUPPORT
  86 CFLAGS+=        -I${SASRC}/geli
  87 .endif # MK_LOADER_GELI
  88
  89 # These should be confined to loader.mk, but can't because uboot/lib
  90 # also uses it. It's part of loader, but isn't a loader so we can't
  91 # just include loader.mk
  92 .if ${LOADER_DISK_SUPPORT:Uyes} == "yes"
  93 CFLAGS+= -DLOADER_DISK_SUPPORT
  94 .endif
  95
  96 # Machine specific flags for all builds here
  97
  98 # All PowerPC builds are 32 bit. We have no 64-bit loaders on powerpc
  99 # or powerpc64.
 100 .if ${MACHINE_ARCH} == "powerpc64"
 101 CFLAGS+=        -m32 -mcpu=powerpc
 102 # Use ld.bfd to workaround ld.lld issues on PowerPC 32 bit
 103 .if "${COMPILER_TYPE}" == "clang" && "${LINKER_TYPE}" == "lld"
 104 CFLAGS+=        -fuse-ld=${LD_BFD}
 105 .endif
 106 .endif
 107
 108 # For amd64, there's a bit of mixed bag. Some of the tree (i386, lib*32) is
 109 # build 32-bit and some 64-bit (lib*, efi). Centralize all the 32-bit magic here
 110 # and activate it when DO32 is explicitly defined to be 1.
 111 .if ${MACHINE_ARCH} == "amd64" && ${DO32:U0} == 1
 112 CFLAGS+=        -m32
 113 # LD_FLAGS is passed directly to ${LD}, not via ${CC}:
 114 LD_FLAGS+=      -m elf_i386_fbsd
 115 AFLAGS+=        --32
 116 .endif
 117
 118 SSP_CFLAGS=
 119
 120 # Add in the no float / no SIMD stuff and announce we're freestanding
 121 # aarch64 and riscv don't have -msoft-float, but all others do. riscv
 122 # currently has no /boot/loader, but may soon.
 123 CFLAGS+=        -ffreestanding ${CFLAGS_NO_SIMD}
 124 .if ${MACHINE_CPUARCH} == "aarch64"
 125 CFLAGS+=        -mgeneral-regs-only -fPIC
 126 .elif ${MACHINE_CPUARCH} == "riscv"
 127 CFLAGS+=        -march=rv64imac -mabi=lp64
 128 .else
 129 CFLAGS+=        -msoft-float
 130 .endif
 131
 132 # -msoft-float seems to be insufficient for powerpcspe
 133 .if ${MACHINE_ARCH} == "powerpcspe"
 134 CFLAGS+=        -mno-spe
 135 .endif
 136
 137 .if ${MACHINE_CPUARCH} == "i386" || (${MACHINE_CPUARCH} == "amd64" && ${DO32:U0} == 1)
 138 CFLAGS+=        -march=i386
 139 CFLAGS.gcc+=    -mpreferred-stack-boundary=2
 140 .endif
 141 .if ${MACHINE_CPUARCH} == "amd64" && ${DO32:U0} == 0
 142 CFLAGS+=        -fPIC -mno-red-zone
 143 .endif
 144
 145 .if ${MACHINE_CPUARCH} == "arm"
 146 # Do not generate movt/movw, because the relocation fixup for them does not
 147 # translate to the -Bsymbolic -pie format required by self_reloc() in loader(8).
 148 # Also, the fpu is not available in a standalone environment.
 149 .if ${COMPILER_VERSION} < 30800
 150 CFLAGS.clang+=  -mllvm -arm-use-movt=0
 151 .else
 152 CFLAGS.clang+=  -mno-movt
 153 .endif
 154 CFLAGS.clang+=  -mfpu=none
 155 CFLAGS+=        -fPIC
 156 .endif
 157
 158 # The boot loader build uses dd status=none, where possible, for reproducible
 159 # build output (since performance varies from run to run). Trouble is that
 160 # option was recently (10.3) added to FreeBSD and is non-standard. Only use it
 161 # when this test succeeds rather than require dd to be a bootstrap tool.
 162 DD_NOSTATUS!=(dd status=none count=0 2> /dev/null && echo status=none) || true
 163 DD=dd ${DD_NOSTATUS}
 164
 165 .if ${MACHINE_CPUARCH} == "mips"
 166 CFLAGS+=        -G0 -fno-pic -mno-abicalls
 167 .endif
 168
 169 .if ${MK_LOADER_FORCE_LE} != "no"
 170 .if ${MACHINE_ARCH} == "powerpc64"
 171 CFLAGS+=        -mlittle-endian
 172 .endif
 173 .endif
 174
 175 #
 176 # Have a sensible default
 177 #
 178 .if ${MK_LOADER_LUA} == "yes"
 179 LOADER_DEFAULT_INTERP?=lua
 180 .elif ${MK_FORTH} == "yes"
 181 LOADER_DEFAULT_INTERP?=4th
 182 .else
 183 LOADER_DEFAULT_INTERP?=simp
 184 .endif
 185 LOADER_INTERP?=${LOADER_DEFAULT_INTERP}
 186
 187 # Make sure we use the machine link we're about to create
 188 CFLAGS+=-I.
 189
 190 all: ${PROG}
 191
 192 CLEANFILES+= teken_state.h
 193 teken.c: teken_state.h
 194
 195 teken_state.h: ${SYSDIR}/teken/sequences
 196         awk -f ${SYSDIR}/teken/gensequences \
 197                 ${SYSDIR}/teken/sequences > teken_state.h
 198
 199 .if !defined(NO_OBJ)
 200 _ILINKS=include/machine
 201 .if ${MACHINE} != ${MACHINE_CPUARCH} && ${MACHINE} != "arm64"
 202 _ILINKS+=include/${MACHINE_CPUARCH}
 203 .endif
 204 .if ${MACHINE_CPUARCH} == "i386" || ${MACHINE_CPUARCH} == "amd64"
 205 _ILINKS+=include/x86
 206 .endif
 207 CFLAGS+= -Iinclude
 208 CLEANDIRS+= include
 209
 210 beforedepend: ${_ILINKS}
 211 beforebuild: ${_ILINKS}
 212
 213 # Ensure that the links exist without depending on it when it exists which
 214 # causes all the modules to be rebuilt when the directory pointed to changes.
 215 .for _link in ${_ILINKS}
 216 .if !exists(${.OBJDIR}/${_link})
 217 ${OBJS}:       ${_link}
 218 .endif # _link exists
 219 .endfor
 220
 221 .NOPATH: ${_ILINKS}
 222
 223 ${_ILINKS}: .NOMETA
 224         @case ${.TARGET:T} in \
 225         machine) \
 226                 if [ ${DO32:U0} -eq 0 ]; then \
 227                         path=${SYSDIR}/${MACHINE}/include ; \
 228                 else \
 229                         path=${SYSDIR}/${MACHINE:C/amd64/i386/}/include ; \
 230                 fi ;; \
 231         *) \
 232                 path=${SYSDIR}/${.TARGET:T}/include ;; \
 233         esac ; \
 234         case ${.TARGET} in \
 235         */*) mkdir -p ${.TARGET:H};; \
 236         esac ; \
 237         path=`(cd $$path && /bin/pwd)` ; \
 238         ${ECHO} ${.TARGET} "->" $$path ; \
 239         ln -fhs $$path ${.TARGET}
 240 .endif # !NO_OBJ
 241 .endif # __BOOT_DEFS_MK__