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>
20 .include <bsd.linker.mk>
24 BOOTSRC= ${SRCTOP}/stand
25 EFISRC= ${BOOTSRC}/efi
26 EFIINC= ${EFISRC}/include
27 EFIINCMD= ${EFIINC}/${MACHINE}
28 FDTSRC= ${BOOTSRC}/fdt
29 FICLSRC= ${BOOTSRC}/ficl
30 LDRSRC= ${BOOTSRC}/common
31 LIBLUASRC= ${BOOTSRC}/liblua
32 LIBOFWSRC= ${BOOTSRC}/libofw
33 LUASRC= ${SRCTOP}/contrib/lua/src
34 SASRC= ${BOOTSRC}/libsa
36 UBOOTSRC= ${BOOTSRC}/uboot
38 OZFS= ${SRCTOP}/sys/contrib/openzfs
39 ZFSOSSRC= ${OZFS}/module/os/freebsd/
40 ZFSOSINC= ${OZFS}/include/os/freebsd
41 LIBCSRC= ${SRCTOP}/lib/libc
43 BOOTOBJ= ${OBJTOP}/stand
45 # BINDIR is where we install
48 # LUAPATH is where we search for and install lua scripts.
50 FLUASRC?= ${SRCTOP}/libexec/flua
52 LIBSA= ${BOOTOBJ}/libsa/libsa.a
53 .if ${MACHINE} == "i386"
56 LIBSA32= ${BOOTOBJ}/libsa32/libsa32.a
61 # Allow CFLAGS_EARLY.file/target so that code that needs specific stack
62 # of include paths can set them up before our include paths. Normally
63 # the only thing that should be there are -I directives, and as few of
65 CFLAGS+= ${CFLAGS_EARLY} ${CFLAGS_EARLY.${.IMPSRC:T}} ${CFLAGS_EARLY.${.TARGET:T}}
66 .if ${MACHINE_ARCH} == "amd64" && ${DO32:U0} == 1
67 CFLAGS+= -I${BOOTOBJ}/libsa32
69 CFLAGS+= -I${BOOTOBJ}/libsa
71 CFLAGS+= -I${SASRC} -D_STANDALONE
73 # Spike the floating point interfaces
74 CFLAGS+= -Ddouble=jagged-little-pill -Dfloat=floaty-mcfloatface
75 .if ${MACHINE_ARCH} == "i386" || ${MACHINE_ARCH} == "amd64"
76 # Slim down the image. This saves about 15% in size with clang 6 on x86
77 # Our most constrained /boot/loader env is BIOS booting on x86, where
78 # our text + data + BTX have to fit into 640k below the ISA hole.
79 # Experience has shown that problems arise between ~520k to ~530k.
82 CFLAGS+= -ffunction-sections -fdata-sections
85 # GELI Support, with backward compat hooks (mostly)
86 .if defined(LOADER_NO_GELI_SUPPORT)
88 .warning "Please move from LOADER_NO_GELI_SUPPORT to WITHOUT_LOADER_GELI"
90 .if defined(LOADER_GELI_SUPPORT)
92 .warning "Please move from LOADER_GELI_SUPPORT to WITH_LOADER_GELI"
94 .if ${MK_LOADER_GELI} == "yes"
95 CFLAGS+= -DLOADER_GELI_SUPPORT
96 CFLAGS+= -I${SASRC}/geli
97 .endif # MK_LOADER_GELI
99 # These should be confined to loader.mk, but can't because uboot/lib
100 # also uses it. It's part of loader, but isn't a loader so we can't
101 # just include loader.mk
102 .if ${LOADER_DISK_SUPPORT:Uyes} == "yes"
103 CFLAGS+= -DLOADER_DISK_SUPPORT
106 # Machine specific flags for all builds here
108 # Ensure PowerPC64 and PowerPC64LE boot loaders are compiled as 32 bit
110 .if ${MACHINE_ARCH:Mpowerpc64*} != ""
111 CFLAGS+= -m32 -mcpu=powerpc -mbig-endian
114 # For amd64, there's a bit of mixed bag. Some of the tree (i386, lib*32) is
115 # build 32-bit and some 64-bit (lib*, efi). Centralize all the 32-bit magic here
116 # and activate it when DO32 is explicitly defined to be 1.
117 .if ${MACHINE_ARCH} == "amd64" && ${DO32:U0} == 1
119 # LD_FLAGS is passed directly to ${LD}, not via ${CC}:
120 LD_FLAGS+= -m elf_i386_fbsd
126 # Add in the no float / no SIMD stuff and announce we're freestanding
127 # aarch64 and riscv don't have -msoft-float, but all others do.
128 CFLAGS+= -ffreestanding ${CFLAGS_NO_SIMD}
129 .if ${MACHINE_CPUARCH} == "aarch64"
130 CFLAGS+= -mgeneral-regs-only -ffixed-x18 -fPIC
131 .elif ${MACHINE_CPUARCH} == "riscv"
132 CFLAGS+= -march=rv64imac -mabi=lp64 -fPIC
133 CFLAGS.clang+= -mcmodel=medium
134 CFLAGS.gcc+= -mcmodel=medany
136 CFLAGS+= -msoft-float
139 # -msoft-float seems to be insufficient for powerpcspe
140 .if ${MACHINE_ARCH} == "powerpcspe"
144 .if ${MACHINE_CPUARCH} == "i386" || (${MACHINE_CPUARCH} == "amd64" && ${DO32:U0} == 1)
146 CFLAGS.gcc+= -mpreferred-stack-boundary=2
148 .if ${MACHINE_CPUARCH} == "amd64" && ${DO32:U0} == 0
149 CFLAGS+= -fPIC -mno-red-zone
152 .if ${MACHINE_CPUARCH} == "arm"
153 # Do not generate movt/movw, because the relocation fixup for them does not
154 # translate to the -Bsymbolic -pie format required by self_reloc() in loader(8).
155 # Also, the fpu is not available in a standalone environment.
156 CFLAGS.clang+= -mno-movt
157 CFLAGS.clang+= -mfpu=none
161 # Some RISC-V linkers have support for relaxations, while some (lld) do not
162 # yet. If this is the case we inhibit the compiler from emitting relaxations.
163 .if ${LINKER_FEATURES:Mriscv-relaxations} == ""
167 # The boot loader build uses dd status=none, where possible, for reproducible
168 # build output (since performance varies from run to run). Trouble is that
169 # option was recently (10.3) added to FreeBSD and is non-standard. Only use it
170 # when this test succeeds rather than require dd to be a bootstrap tool.
171 DD_NOSTATUS!=(dd status=none count=0 2> /dev/null && echo status=none) || true
174 .if ${MACHINE_CPUARCH} == "mips"
175 CFLAGS+= -G0 -fno-pic -mno-abicalls
179 # Have a sensible default
181 .if ${MK_LOADER_LUA} == "yes"
182 LOADER_DEFAULT_INTERP?=lua
183 .elif ${MK_FORTH} == "yes"
184 LOADER_DEFAULT_INTERP?=4th
186 LOADER_DEFAULT_INTERP?=simp
188 LOADER_INTERP?=${LOADER_DEFAULT_INTERP}
190 # Make sure we use the machine link we're about to create
195 CLEANFILES+= teken_state.h
196 teken.c: teken_state.h
198 teken_state.h: ${SYSDIR}/teken/sequences
199 awk -f ${SYSDIR}/teken/gensequences \
200 ${SYSDIR}/teken/sequences > teken_state.h
203 _ILINKS=include/machine
204 .if ${MACHINE} != ${MACHINE_CPUARCH} && ${MACHINE} != "arm64"
205 _ILINKS+=include/${MACHINE_CPUARCH}
207 .if ${MACHINE_CPUARCH} == "i386" || ${MACHINE_CPUARCH} == "amd64"
213 beforedepend: ${_ILINKS}
214 beforebuild: ${_ILINKS}
216 # Ensure that the links exist without depending on it when it exists which
217 # causes all the modules to be rebuilt when the directory pointed to changes.
218 .for _link in ${_ILINKS}
219 .if !exists(${.OBJDIR}/${_link})
221 .endif # _link exists
227 @case ${.TARGET:T} in \
229 if [ ${DO32:U0} -eq 0 ]; then \
230 path=${SYSDIR}/${MACHINE}/include ; \
232 path=${SYSDIR}/${MACHINE:C/amd64/i386/}/include ; \
235 path=${SYSDIR}/${.TARGET:T}/include ;; \
238 */*) mkdir -p ${.TARGET:H};; \
240 path=`(cd $$path && /bin/pwd)` ; \
241 ${ECHO} ${.TARGET} "->" $$path ; \
242 ln -fns $$path ${.TARGET}
244 .endif # __BOOT_DEFS_MK__