7 .if !defined(__BOOT_DEFS_MK__)
8 __BOOT_DEFS_MK__=${MFILE}
19 BOOTSRC= ${SRCTOP}/stand
20 EFISRC= ${BOOTSRC}/efi
21 EFIINC= ${EFISRC}/include
22 EFIINCMD= ${EFIINC}/${MACHINE}
23 FDTSRC= ${BOOTSRC}/fdt
24 FICLSRC= ${BOOTSRC}/ficl
25 LDRSRC= ${BOOTSRC}/common
26 LIBLUASRC= ${BOOTSRC}/liblua
27 LUASRC= ${SRCTOP}/contrib/lua/src
28 SASRC= ${BOOTSRC}/libsa
30 UBOOTSRC= ${BOOTSRC}/uboot
32 LIBCSRC= ${SRCTOP}/lib/libc
34 BOOTOBJ= ${OBJTOP}/stand
36 # BINDIR is where we install
39 LIBSA= ${BOOTOBJ}/libsa/libsa.a
40 .if ${MACHINE} == "i386"
43 LIBSA32= ${BOOTOBJ}/libsa32/libsa32.a
48 .if ${MACHINE_ARCH} == "amd64" && ${DO32:U0} == 1
49 CFLAGS+= -I${BOOTOBJ}/libsa32
51 CFLAGS+= -I${BOOTOBJ}/libsa
53 CFLAGS+= -I${SASRC} -D_STANDALONE
55 # Spike the floating point interfaces
56 CFLAGS+= -Ddouble=jagged-little-pill -Dfloat=floaty-mcfloatface
57 .if ${MACHINE_ARCH} == "i386" || ${MACHINE_ARCH} == "amd64"
58 # Slim down the image. This saves about 15% in size with clang 6 on x86
59 # Our most constrained /boot/loader env is BIOS booting on x86, where
60 # our text + data + BTX have to fit into 640k below the ISA hole.
61 # Experience has shown that problems arise between ~520k to ~530k.
66 # GELI Support, with backward compat hooks (mostly)
67 .if defined(LOADER_NO_GELI_SUPPORT)
69 .warning "Please move from LOADER_NO_GELI_SUPPORT to WITHOUT_LOADER_GELI"
71 .if defined(LOADER_GELI_SUPPORT)
73 .warning "Please move from LOADER_GELI_SUPPORT to WITH_LOADER_GELI"
75 .if ${MK_LOADER_GELI} == "yes"
76 CFLAGS+= -DLOADER_GELI_SUPPORT
77 CFLAGS+= -I${SASRC}/geli
78 .endif # MK_LOADER_GELI
80 # These should be confined to loader.mk, but can't because uboot/lib
81 # also uses it. It's part of loader, but isn't a loader so we can't
82 # just include loader.mk
83 .if ${LOADER_DISK_SUPPORT:Uyes} == "yes"
84 CFLAGS+= -DLOADER_DISK_SUPPORT
87 # Machine specific flags for all builds here
89 # All PowerPC builds are 32 bit. We have no 64-bit loaders on powerpc
91 .if ${MACHINE_ARCH} == "powerpc64"
92 CFLAGS+= -m32 -mcpu=powerpc
95 # For amd64, there's a bit of mixed bag. Some of the tree (i386, lib*32) is
96 # build 32-bit and some 64-bit (lib*, efi). Centralize all the 32-bit magic here
97 # and activate it when DO32 is explicitly defined to be 1.
98 .if ${MACHINE_ARCH} == "amd64" && ${DO32:U0} == 1
100 # LD_FLAGS is passed directly to ${LD}, not via ${CC}:
101 LD_FLAGS+= -m elf_i386_fbsd
107 # Add in the no float / no SIMD stuff and announce we're freestanding
108 # aarch64 and riscv don't have -msoft-float, but all others do. riscv
109 # currently has no /boot/loader, but may soon.
110 CFLAGS+= -ffreestanding ${CFLAGS_NO_SIMD}
111 .if ${MACHINE_CPUARCH} == "aarch64"
112 CFLAGS+= -mgeneral-regs-only -fPIC
113 .elif ${MACHINE_CPUARCH} == "riscv"
114 CFLAGS+= -march=rv64imac -mabi=lp64
116 CFLAGS+= -msoft-float
119 # -msoft-float seems to be insufficient for powerpcspe
120 .if ${MACHINE_ARCH} == "powerpcspe"
124 .if ${MACHINE_CPUARCH} == "i386" || (${MACHINE_CPUARCH} == "amd64" && ${DO32:U0} == 1)
126 CFLAGS.gcc+= -mpreferred-stack-boundary=2
128 .if ${MACHINE_CPUARCH} == "amd64" && ${DO32:U0} == 0
129 CFLAGS+= -fPIC -mno-red-zone
132 .if ${MACHINE_CPUARCH} == "arm"
133 # Do not generate movt/movw, because the relocation fixup for them does not
134 # translate to the -Bsymbolic -pie format required by self_reloc() in loader(8).
135 # Also, the fpu is not available in a standalone environment.
136 .if ${COMPILER_VERSION} < 30800
137 CFLAGS.clang+= -mllvm -arm-use-movt=0
139 CFLAGS.clang+= -mno-movt
141 CFLAGS.clang+= -mfpu=none
145 # The boot loader build uses dd status=none, where possible, for reproducible
146 # build output (since performance varies from run to run). Trouble is that
147 # option was recently (10.3) added to FreeBSD and is non-standard. Only use it
148 # when this test succeeds rather than require dd to be a bootstrap tool.
149 DD_NOSTATUS!=(dd status=none count=0 2> /dev/null && echo status=none) || true
152 .if ${MACHINE_CPUARCH} == "mips"
153 CFLAGS+= -G0 -fno-pic -mno-abicalls
156 .if ${MK_LOADER_FORCE_LE} != "no"
157 .if ${MACHINE_ARCH} == "powerpc64"
158 CFLAGS+= -mlittle-endian
163 # Have a sensible default
165 .if ${MK_LOADER_LUA} == "yes"
166 LOADER_DEFAULT_INTERP?=lua
167 .elif ${MK_FORTH} == "yes"
168 LOADER_DEFAULT_INTERP?=4th
170 LOADER_DEFAULT_INTERP?=simp
172 LOADER_INTERP?=${LOADER_DEFAULT_INTERP}
174 # Make sure we use the machine link we're about to create
181 .if ${MACHINE} != ${MACHINE_CPUARCH} && ${MACHINE} != "arm64"
182 _ILINKS+=${MACHINE_CPUARCH}
184 .if ${MACHINE_CPUARCH} == "i386" || ${MACHINE_CPUARCH} == "amd64"
187 CLEANFILES+=${_ILINKS}
189 beforedepend: ${_ILINKS}
190 beforebuild: ${_ILINKS}
192 # Ensure that the links exist without depending on it when it exists which
193 # causes all the modules to be rebuilt when the directory pointed to changes.
194 .for _link in ${_ILINKS}
195 .if !exists(${.OBJDIR}/${_link})
197 .endif # _link exists
203 @case ${.TARGET} in \
205 if [ ${DO32:U0} -eq 0 ]; then \
206 path=${SYSDIR}/${MACHINE}/include ; \
208 path=${SYSDIR}/${MACHINE:C/amd64/i386/}/include ; \
211 path=${SYSDIR}/${.TARGET:T}/include ;; \
213 path=`(cd $$path && /bin/pwd)` ; \
214 ${ECHO} ${.TARGET:T} "->" $$path ; \
215 ln -fhs $$path ${.TARGET:T}
217 .endif # __BOOT_DEFS_MK__