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