3 .if !defined(__BOOT_DEFS_MK__)
4 __BOOT_DEFS_MK__=${MFILE}
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,
19 .include <src.opts.mk>
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
34 UBOOTSRC= ${BOOTSRC}/uboot
37 BOOTOBJ= ${OBJTOP}/stand
39 # BINDIR is where we install
42 LIBSA= ${BOOTOBJ}/libsa/libsa.a
43 .if ${MACHINE} == "i386"
46 LIBSA32= ${BOOTOBJ}/libsa32/libsa32.a
51 .if ${MACHINE_ARCH} == "amd64" && ${DO32:U0} == 1
52 CFLAGS+= -I${BOOTOBJ}/libsa32
54 CFLAGS+= -I${BOOTOBJ}/libsa
56 CFLAGS+= -I${SASRC} -D_STANDALONE
58 # Spike the floating point interfaces
59 CFLAGS+= -Ddouble=jagged-little-pill -Dfloat=floaty-mcfloatface
60 .if ${MACHINE_ARCH} == "i386" || ${MACHINE_ARCH} == "amd64"
61 # Slim down the image. This saves about 15% in size with clang 6 on x86
62 # Our most constrained /boot/loader env is BIOS booting on x86, where
63 # our text + data + BTX have to fit into 640k below the ISA hole.
64 # Experience has shown that problems arise between ~520k to ~530k.
69 # GELI Support, with backward compat hooks (mostly)
70 .if defined(LOADER_NO_GELI_SUPPORT)
72 .warning "Please move from LOADER_NO_GELI_SUPPORT to WITHOUT_LOADER_GELI"
74 .if defined(LOADER_GELI_SUPPORT)
76 .warning "Please move from LOADER_GELI_SUPPORT to WITH_LOADER_GELI"
78 .if ${MK_LOADER_GELI} == "yes"
79 CFLAGS+= -DLOADER_GELI_SUPPORT
80 CFLAGS+= -I${SASRC}/geli
81 .endif # MK_LOADER_GELI
83 # These should be confined to loader.mk, but can't because uboot/lib
84 # also uses it. It's part of loader, but isn't a loader so we can't
85 # just include loader.mk
86 .if ${LOADER_DISK_SUPPORT:Uyes} == "yes"
87 CFLAGS+= -DLOADER_DISK_SUPPORT
90 # Machine specific flags for all builds here
92 # All PowerPC builds are 32 bit. We have no 64-bit loaders on powerpc
94 .if ${MACHINE_ARCH} == "powerpc64"
95 CFLAGS+= -m32 -mcpu=powerpc
98 # For amd64, there's a bit of mixed bag. Some of the tree (i386, lib*32) is
99 # build 32-bit and some 64-bit (lib*, efi). Centralize all the 32-bit magic here
100 # and activate it when DO32 is explicitly defined to be 1.
101 .if ${MACHINE_ARCH} == "amd64" && ${DO32:U0} == 1
103 # LD_FLAGS is passed directly to ${LD}, not via ${CC}:
104 LD_FLAGS+= -m elf_i386_fbsd
110 # Add in the no float / no SIMD stuff and announce we're freestanding
111 # aarch64 and riscv don't have -msoft-float, but all others do. riscv
112 # currently has no /boot/loader, but may soon.
113 CFLAGS+= -ffreestanding ${CFLAGS_NO_SIMD}
114 .if ${MACHINE_CPUARCH} == "aarch64"
115 CFLAGS+= -mgeneral-regs-only -fPIC
116 .elif ${MACHINE_CPUARCH} == "riscv"
117 CFLAGS+= -march=rv64imac -mabi=lp64
119 CFLAGS+= -msoft-float
122 # -msoft-float seems to be insufficient for powerpcspe
123 .if ${MACHINE_ARCH} == "powerpcspe"
127 .if ${MACHINE_CPUARCH} == "i386" || (${MACHINE_CPUARCH} == "amd64" && ${DO32:U0} == 1)
129 CFLAGS.gcc+= -mpreferred-stack-boundary=2
131 .if ${MACHINE_CPUARCH} == "amd64" && ${DO32:U0} == 0
132 CFLAGS+= -fPIC -mno-red-zone
135 .if ${MACHINE_CPUARCH} == "arm"
136 # Do not generate movt/movw, because the relocation fixup for them does not
137 # translate to the -Bsymbolic -pie format required by self_reloc() in loader(8).
138 # Also, the fpu is not available in a standalone environment.
139 .if ${COMPILER_VERSION} < 30800
140 CFLAGS.clang+= -mllvm -arm-use-movt=0
142 CFLAGS.clang+= -mno-movt
144 CFLAGS.clang+= -mfpu=none
148 # The boot loader build uses dd status=none, where possible, for reproducible
149 # build output (since performance varies from run to run). Trouble is that
150 # option was recently (10.3) added to FreeBSD and is non-standard. Only use it
151 # when this test succeeds rather than require dd to be a bootstrap tool.
152 DD_NOSTATUS!=(dd status=none count=0 2> /dev/null && echo status=none) || true
155 .if ${MACHINE_CPUARCH} == "mips"
156 CFLAGS+= -G0 -fno-pic -mno-abicalls
159 .if ${MK_LOADER_FORCE_LE} != "no"
160 .if ${MACHINE_ARCH} == "powerpc64"
161 CFLAGS+= -mlittle-endian
166 # Have a sensible default
168 # XXX Do not change the ordering of this chain in this branch. 4th must remain
169 # the default for the lifetime of stable/11.
170 .if ${MK_FORTH} == "yes"
171 LOADER_DEFAULT_INTERP?=4th
172 .elif ${MK_LOADER_LUA} == "yes"
173 LOADER_DEFAULT_INTERP?=lua
175 LOADER_DEFAULT_INTERP?=simp
177 LOADER_INTERP?=${LOADER_DEFAULT_INTERP}
179 # Make sure we use the machine link we're about to create
186 .if ${MACHINE} != ${MACHINE_CPUARCH} && ${MACHINE} != "arm64"
187 _ILINKS+=${MACHINE_CPUARCH}
189 .if ${MACHINE_CPUARCH} == "i386" || ${MACHINE_CPUARCH} == "amd64"
192 CLEANFILES+=${_ILINKS}
194 beforedepend: ${_ILINKS}
195 beforebuild: ${_ILINKS}
197 # Ensure that the links exist without depending on it when it exists which
198 # causes all the modules to be rebuilt when the directory pointed to changes.
199 .for _link in ${_ILINKS}
200 .if !exists(${.OBJDIR}/${_link})
202 .endif # _link exists
208 @case ${.TARGET} in \
210 if [ ${DO32:U0} -eq 0 ]; then \
211 path=${SYSDIR}/${MACHINE}/include ; \
213 path=${SYSDIR}/${MACHINE:C/amd64/i386/}/include ; \
216 path=${SYSDIR}/${.TARGET:T}/include ;; \
218 path=`(cd $$path && /bin/pwd)` ; \
219 ${ECHO} ${.TARGET:T} "->" $$path ; \
220 ln -fhs $$path ${.TARGET:T}
222 .endif # __BOOT_DEFS_MK__