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 LIBOFWSRC= ${BOOTSRC}/libofw
32 LUASRC= ${SRCTOP}/contrib/lua/src
33 SASRC= ${BOOTSRC}/libsa
35 UBOOTSRC= ${BOOTSRC}/uboot
37 LIBCSRC= ${SRCTOP}/lib/libc
39 BOOTOBJ= ${OBJTOP}/stand
41 # BINDIR is where we install
44 # LUAPATH is where we search for and install lua scripts.
46 FLUASRC?= ${SRCTOP}/libexec/flua
48 LIBSA= ${BOOTOBJ}/libsa/libsa.a
49 .if ${MACHINE} == "i386"
52 LIBSA32= ${BOOTOBJ}/libsa32/libsa32.a
57 .if ${MACHINE_ARCH} == "amd64" && ${DO32:U0} == 1
58 CFLAGS+= -I${BOOTOBJ}/libsa32
60 CFLAGS+= -I${BOOTOBJ}/libsa
62 CFLAGS+= -I${SASRC} -D_STANDALONE
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.
73 CFLAGS+= -ffunction-sections -fdata-sections
76 # GELI Support, with backward compat hooks (mostly)
77 .if defined(LOADER_NO_GELI_SUPPORT)
79 .warning "Please move from LOADER_NO_GELI_SUPPORT to WITHOUT_LOADER_GELI"
81 .if defined(LOADER_GELI_SUPPORT)
83 .warning "Please move from LOADER_GELI_SUPPORT to WITH_LOADER_GELI"
85 .if ${MK_LOADER_GELI} == "yes"
86 CFLAGS+= -DLOADER_GELI_SUPPORT
87 CFLAGS+= -I${SASRC}/geli
88 .endif # MK_LOADER_GELI
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
97 # Machine specific flags for all builds here
99 # All PowerPC builds are 32 bit. We have no 64-bit loaders on powerpc
101 .if ${MACHINE_ARCH} == "powerpc64"
102 CFLAGS+= -m32 -mcpu=powerpc
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
110 # LD_FLAGS is passed directly to ${LD}, not via ${CC}:
111 LD_FLAGS+= -m elf_i386_fbsd
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
126 CFLAGS+= -msoft-float
129 # -msoft-float seems to be insufficient for powerpcspe
130 .if ${MACHINE_ARCH} == "powerpcspe"
134 .if ${MACHINE_CPUARCH} == "i386" || (${MACHINE_CPUARCH} == "amd64" && ${DO32:U0} == 1)
136 CFLAGS.gcc+= -mpreferred-stack-boundary=2
138 .if ${MACHINE_CPUARCH} == "amd64" && ${DO32:U0} == 0
139 CFLAGS+= -fPIC -mno-red-zone
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
149 CFLAGS.clang+= -mno-movt
151 CFLAGS.clang+= -mfpu=none
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
162 .if ${MACHINE_CPUARCH} == "mips"
163 CFLAGS+= -G0 -fno-pic -mno-abicalls
166 .if ${MK_LOADER_FORCE_LE} != "no"
167 .if ${MACHINE_ARCH} == "powerpc64"
168 CFLAGS+= -mlittle-endian
173 # Have a sensible default
175 .if ${MK_LOADER_LUA} == "yes"
176 LOADER_DEFAULT_INTERP?=lua
177 .elif ${MK_FORTH} == "yes"
178 LOADER_DEFAULT_INTERP?=4th
180 LOADER_DEFAULT_INTERP?=simp
182 LOADER_INTERP?=${LOADER_DEFAULT_INTERP}
184 # Make sure we use the machine link we're about to create
189 CLEANFILES+= teken_state.h
190 teken.c: teken_state.h
192 teken_state.h: ${SYSDIR}/teken/sequences
193 awk -f ${SYSDIR}/teken/gensequences \
194 ${SYSDIR}/teken/sequences > teken_state.h
197 _ILINKS=include/machine
198 .if ${MACHINE} != ${MACHINE_CPUARCH} && ${MACHINE} != "arm64"
199 _ILINKS+=include/${MACHINE_CPUARCH}
201 .if ${MACHINE_CPUARCH} == "i386" || ${MACHINE_CPUARCH} == "amd64"
207 beforedepend: ${_ILINKS}
208 beforebuild: ${_ILINKS}
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})
215 .endif # _link exists
221 @case ${.TARGET:T} in \
223 if [ ${DO32:U0} -eq 0 ]; then \
224 path=${SYSDIR}/${MACHINE}/include ; \
226 path=${SYSDIR}/${MACHINE:C/amd64/i386/}/include ; \
229 path=${SYSDIR}/${.TARGET:T}/include ;; \
232 */*) mkdir -p ${.TARGET:H};; \
234 path=`(cd $$path && /bin/pwd)` ; \
235 ${ECHO} ${.TARGET} "->" $$path ; \
236 ln -fhs $$path ${.TARGET}
238 .endif # __BOOT_DEFS_MK__