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 LIBCSRC= ${SRCTOP}/lib/libc
40 BOOTOBJ= ${OBJTOP}/stand
42 # BINDIR is where we install
45 # LUAPATH is where we search for and install lua scripts.
47 FLUASRC?= ${SRCTOP}/libexec/flua
49 LIBSA= ${BOOTOBJ}/libsa/libsa.a
50 .if ${MACHINE} == "i386"
53 LIBSA32= ${BOOTOBJ}/libsa32/libsa32.a
58 .if ${MACHINE_ARCH} == "amd64" && ${DO32:U0} == 1
59 CFLAGS+= -I${BOOTOBJ}/libsa32
61 CFLAGS+= -I${BOOTOBJ}/libsa
63 CFLAGS+= -I${SASRC} -D_STANDALONE
65 # Spike the floating point interfaces
66 CFLAGS+= -Ddouble=jagged-little-pill -Dfloat=floaty-mcfloatface
67 .if ${MACHINE_ARCH} == "i386" || ${MACHINE_ARCH} == "amd64"
68 # Slim down the image. This saves about 15% in size with clang 6 on x86
69 # Our most constrained /boot/loader env is BIOS booting on x86, where
70 # our text + data + BTX have to fit into 640k below the ISA hole.
71 # Experience has shown that problems arise between ~520k to ~530k.
74 CFLAGS+= -ffunction-sections -fdata-sections
77 # GELI Support, with backward compat hooks (mostly)
78 .if defined(LOADER_NO_GELI_SUPPORT)
80 .warning "Please move from LOADER_NO_GELI_SUPPORT to WITHOUT_LOADER_GELI"
82 .if defined(LOADER_GELI_SUPPORT)
84 .warning "Please move from LOADER_GELI_SUPPORT to WITH_LOADER_GELI"
86 .if ${MK_LOADER_GELI} == "yes"
87 CFLAGS+= -DLOADER_GELI_SUPPORT
88 CFLAGS+= -I${SASRC}/geli
89 .endif # MK_LOADER_GELI
91 # These should be confined to loader.mk, but can't because uboot/lib
92 # also uses it. It's part of loader, but isn't a loader so we can't
93 # just include loader.mk
94 .if ${LOADER_DISK_SUPPORT:Uyes} == "yes"
95 CFLAGS+= -DLOADER_DISK_SUPPORT
98 # Machine specific flags for all builds here
100 # All PowerPC builds are 32 bit. We have no 64-bit loaders on powerpc
102 .if ${MACHINE_ARCH} == "powerpc64"
103 CFLAGS+= -m32 -mcpu=powerpc
106 # For amd64, there's a bit of mixed bag. Some of the tree (i386, lib*32) is
107 # build 32-bit and some 64-bit (lib*, efi). Centralize all the 32-bit magic here
108 # and activate it when DO32 is explicitly defined to be 1.
109 .if ${MACHINE_ARCH} == "amd64" && ${DO32:U0} == 1
111 # LD_FLAGS is passed directly to ${LD}, not via ${CC}:
112 LD_FLAGS+= -m elf_i386_fbsd
118 # Add in the no float / no SIMD stuff and announce we're freestanding
119 # aarch64 and riscv don't have -msoft-float, but all others do.
120 CFLAGS+= -ffreestanding ${CFLAGS_NO_SIMD}
121 .if ${MACHINE_CPUARCH} == "aarch64"
122 CFLAGS+= -mgeneral-regs-only -ffixed-x18 -fPIC
123 .elif ${MACHINE_CPUARCH} == "riscv"
124 CFLAGS+= -march=rv64imac -mabi=lp64 -fPIC
125 CFLAGS.clang+= -mcmodel=medium
126 CFLAGS.gcc+= -mcmodel=medany
128 CFLAGS+= -msoft-float
131 # -msoft-float seems to be insufficient for powerpcspe
132 .if ${MACHINE_ARCH} == "powerpcspe"
136 .if ${MACHINE_CPUARCH} == "i386" || (${MACHINE_CPUARCH} == "amd64" && ${DO32:U0} == 1)
138 CFLAGS.gcc+= -mpreferred-stack-boundary=2
140 .if ${MACHINE_CPUARCH} == "amd64" && ${DO32:U0} == 0
141 CFLAGS+= -fPIC -mno-red-zone
144 .if ${MACHINE_CPUARCH} == "arm"
145 # Do not generate movt/movw, because the relocation fixup for them does not
146 # translate to the -Bsymbolic -pie format required by self_reloc() in loader(8).
147 # Also, the fpu is not available in a standalone environment.
148 CFLAGS.clang+= -mno-movt
149 CFLAGS.clang+= -mfpu=none
153 # Some RISC-V linkers have support for relaxations, while some (lld) do not
154 # yet. If this is the case we inhibit the compiler from emitting relaxations.
155 .if ${LINKER_FEATURES:Mriscv-relaxations} == ""
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__