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
36 LIBCSRC= ${SRCTOP}/lib/libc
38 BOOTOBJ= ${OBJTOP}/stand
40 # BINDIR is where we install
43 LIBSA= ${BOOTOBJ}/libsa/libsa.a
44 .if ${MACHINE} == "i386"
47 LIBSA32= ${BOOTOBJ}/libsa32/libsa32.a
52 .if ${MACHINE_ARCH} == "amd64" && ${DO32:U0} == 1
53 CFLAGS+= -I${BOOTOBJ}/libsa32
55 CFLAGS+= -I${BOOTOBJ}/libsa
57 CFLAGS+= -I${SASRC} -D_STANDALONE
59 # Spike the floating point interfaces
60 CFLAGS+= -Ddouble=jagged-little-pill -Dfloat=floaty-mcfloatface
61 .if ${MACHINE_ARCH} == "i386" || ${MACHINE_ARCH} == "amd64"
62 # Slim down the image. This saves about 15% in size with clang 6 on x86
63 # Our most constrained /boot/loader env is BIOS booting on x86, where
64 # our text + data + BTX have to fit into 640k below the ISA hole.
65 # Experience has shown that problems arise between ~520k to ~530k.
68 CFLAGS+= -ffunction-sections -fdata-sections
71 # GELI Support, with backward compat hooks (mostly)
72 .if defined(LOADER_NO_GELI_SUPPORT)
74 .warning "Please move from LOADER_NO_GELI_SUPPORT to WITHOUT_LOADER_GELI"
76 .if defined(LOADER_GELI_SUPPORT)
78 .warning "Please move from LOADER_GELI_SUPPORT to WITH_LOADER_GELI"
80 .if ${MK_LOADER_GELI} == "yes"
81 CFLAGS+= -DLOADER_GELI_SUPPORT
82 CFLAGS+= -I${SASRC}/geli
83 .endif # MK_LOADER_GELI
85 # These should be confined to loader.mk, but can't because uboot/lib
86 # also uses it. It's part of loader, but isn't a loader so we can't
87 # just include loader.mk
88 .if ${LOADER_DISK_SUPPORT:Uyes} == "yes"
89 CFLAGS+= -DLOADER_DISK_SUPPORT
92 # Machine specific flags for all builds here
94 # All PowerPC builds are 32 bit. We have no 64-bit loaders on powerpc
96 .if ${MACHINE_ARCH} == "powerpc64"
97 CFLAGS+= -m32 -mcpu=powerpc
100 # For amd64, there's a bit of mixed bag. Some of the tree (i386, lib*32) is
101 # build 32-bit and some 64-bit (lib*, efi). Centralize all the 32-bit magic here
102 # and activate it when DO32 is explicitly defined to be 1.
103 .if ${MACHINE_ARCH} == "amd64" && ${DO32:U0} == 1
105 # LD_FLAGS is passed directly to ${LD}, not via ${CC}:
106 LD_FLAGS+= -m elf_i386_fbsd
112 # Add in the no float / no SIMD stuff and announce we're freestanding
113 # aarch64 and riscv don't have -msoft-float, but all others do. riscv
114 # currently has no /boot/loader, but may soon.
115 CFLAGS+= -ffreestanding ${CFLAGS_NO_SIMD}
116 .if ${MACHINE_CPUARCH} == "aarch64"
117 CFLAGS+= -mgeneral-regs-only -fPIC
118 .elif ${MACHINE_CPUARCH} == "riscv"
119 CFLAGS+= -march=rv64imac -mabi=lp64
121 CFLAGS+= -msoft-float
124 # -msoft-float seems to be insufficient for powerpcspe
125 .if ${MACHINE_ARCH} == "powerpcspe"
129 .if ${MACHINE_CPUARCH} == "i386" || (${MACHINE_CPUARCH} == "amd64" && ${DO32:U0} == 1)
131 CFLAGS.gcc+= -mpreferred-stack-boundary=2
133 .if ${MACHINE_CPUARCH} == "amd64" && ${DO32:U0} == 0
134 CFLAGS+= -fPIC -mno-red-zone
137 .if ${MACHINE_CPUARCH} == "arm"
138 # Do not generate movt/movw, because the relocation fixup for them does not
139 # translate to the -Bsymbolic -pie format required by self_reloc() in loader(8).
140 # Also, the fpu is not available in a standalone environment.
141 .if ${COMPILER_VERSION} < 30800
142 CFLAGS.clang+= -mllvm -arm-use-movt=0
144 CFLAGS.clang+= -mno-movt
146 CFLAGS.clang+= -mfpu=none
150 # The boot loader build uses dd status=none, where possible, for reproducible
151 # build output (since performance varies from run to run). Trouble is that
152 # option was recently (10.3) added to FreeBSD and is non-standard. Only use it
153 # when this test succeeds rather than require dd to be a bootstrap tool.
154 DD_NOSTATUS!=(dd status=none count=0 2> /dev/null && echo status=none) || true
157 .if ${MACHINE_CPUARCH} == "mips"
158 CFLAGS+= -G0 -fno-pic -mno-abicalls
161 .if ${MK_LOADER_FORCE_LE} != "no"
162 .if ${MACHINE_ARCH} == "powerpc64"
163 CFLAGS+= -mlittle-endian
168 # Have a sensible default
170 .if ${MK_LOADER_LUA} == "yes"
171 LOADER_DEFAULT_INTERP?=lua
172 .elif ${MK_FORTH} == "yes"
173 LOADER_DEFAULT_INTERP?=4th
175 LOADER_DEFAULT_INTERP?=simp
177 LOADER_INTERP?=${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__