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 ${MACHINE_ARCH} == "powerpc64"
102 CFLAGS+= -m32 -mcpu=powerpc
103 # Use ld.bfd to workaround ld.lld issues on PowerPC 32 bit
104 .if "${COMPILER_TYPE}" == "clang" && "${LINKER_TYPE}" == "lld"
105 CFLAGS+= -fuse-ld=${LD_BFD}
109 # For amd64, there's a bit of mixed bag. Some of the tree (i386, lib*32) is
110 # build 32-bit and some 64-bit (lib*, efi). Centralize all the 32-bit magic here
111 # and activate it when DO32 is explicitly defined to be 1.
112 .if ${MACHINE_ARCH} == "amd64" && ${DO32:U0} == 1
114 # LD_FLAGS is passed directly to ${LD}, not via ${CC}:
115 LD_FLAGS+= -m elf_i386_fbsd
121 # Add in the no float / no SIMD stuff and announce we're freestanding
122 # aarch64 and riscv don't have -msoft-float, but all others do. riscv
123 # currently has no /boot/loader, but may soon.
124 CFLAGS+= -ffreestanding ${CFLAGS_NO_SIMD}
125 .if ${MACHINE_CPUARCH} == "aarch64"
126 CFLAGS+= -mgeneral-regs-only -fPIC
127 .elif ${MACHINE_CPUARCH} == "riscv"
128 CFLAGS+= -march=rv64imac -mabi=lp64
130 CFLAGS+= -msoft-float
133 # -msoft-float seems to be insufficient for powerpcspe
134 .if ${MACHINE_ARCH} == "powerpcspe"
138 .if ${MACHINE_CPUARCH} == "i386" || (${MACHINE_CPUARCH} == "amd64" && ${DO32:U0} == 1)
140 CFLAGS.gcc+= -mpreferred-stack-boundary=2
142 .if ${MACHINE_CPUARCH} == "amd64" && ${DO32:U0} == 0
143 CFLAGS+= -fPIC -mno-red-zone
146 .if ${MACHINE_CPUARCH} == "arm"
147 # Do not generate movt/movw, because the relocation fixup for them does not
148 # translate to the -Bsymbolic -pie format required by self_reloc() in loader(8).
149 # Also, the fpu is not available in a standalone environment.
150 .if ${COMPILER_VERSION} < 30800
151 CFLAGS.clang+= -mllvm -arm-use-movt=0
153 CFLAGS.clang+= -mno-movt
155 CFLAGS.clang+= -mfpu=none
159 # The boot loader build uses dd status=none, where possible, for reproducible
160 # build output (since performance varies from run to run). Trouble is that
161 # option was recently (10.3) added to FreeBSD and is non-standard. Only use it
162 # when this test succeeds rather than require dd to be a bootstrap tool.
163 DD_NOSTATUS!=(dd status=none count=0 2> /dev/null && echo status=none) || true
166 .if ${MACHINE_CPUARCH} == "mips"
167 CFLAGS+= -G0 -fno-pic -mno-abicalls
170 .if ${MK_LOADER_FORCE_LE} != "no"
171 .if ${MACHINE_ARCH} == "powerpc64"
172 CFLAGS+= -mlittle-endian
177 # Have a sensible default
179 .if ${MK_LOADER_LUA} == "yes"
180 LOADER_DEFAULT_INTERP?=lua
181 .elif ${MK_FORTH} == "yes"
182 LOADER_DEFAULT_INTERP?=4th
184 LOADER_DEFAULT_INTERP?=simp
186 LOADER_INTERP?=${LOADER_DEFAULT_INTERP}
188 # Make sure we use the machine link we're about to create
193 CLEANFILES+= teken_state.h
194 teken.c: teken_state.h
196 teken_state.h: ${SYSDIR}/teken/sequences
197 awk -f ${SYSDIR}/teken/gensequences \
198 ${SYSDIR}/teken/sequences > teken_state.h
201 _ILINKS=include/machine
202 .if ${MACHINE} != ${MACHINE_CPUARCH} && ${MACHINE} != "arm64"
203 _ILINKS+=include/${MACHINE_CPUARCH}
205 .if ${MACHINE_CPUARCH} == "i386" || ${MACHINE_CPUARCH} == "amd64"
211 beforedepend: ${_ILINKS}
212 beforebuild: ${_ILINKS}
214 # Ensure that the links exist without depending on it when it exists which
215 # causes all the modules to be rebuilt when the directory pointed to changes.
216 .for _link in ${_ILINKS}
217 .if !exists(${.OBJDIR}/${_link})
219 .endif # _link exists
225 @case ${.TARGET:T} in \
227 if [ ${DO32:U0} -eq 0 ]; then \
228 path=${SYSDIR}/${MACHINE}/include ; \
230 path=${SYSDIR}/${MACHINE:C/amd64/i386/}/include ; \
233 path=${SYSDIR}/${.TARGET:T}/include ;; \
236 */*) mkdir -p ${.TARGET:H};; \
238 path=`(cd $$path && /bin/pwd)` ; \
239 ${ECHO} ${.TARGET} "->" $$path ; \
240 ln -fhs $$path ${.TARGET}
242 .endif # __BOOT_DEFS_MK__