]> CyberLeo.Net >> Repos - FreeBSD/FreeBSD.git/blob - stand/defs.mk
MFC r339970: Remove unnecessary include from libstand.
[FreeBSD/FreeBSD.git] / stand / defs.mk
1 # $FreeBSD$
2
3 .if !defined(__BOOT_DEFS_MK__)
4 __BOOT_DEFS_MK__=${MFILE}
5
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,
8 # espeically MK_CTF.
9
10 MK_CTF=         no
11 MK_SSP=         no
12 MK_PROFILE=     no
13 MAN=
14 .if !defined(PIC)
15 NO_PIC=
16 INTERNALLIB=
17 .endif
18
19 .include <src.opts.mk>
20
21 WARNS?=         1
22
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
33 SYSDIR=         ${SRCTOP}/sys
34 UBOOTSRC=       ${BOOTSRC}/uboot
35 ZFSSRC=         ${SASRC}/zfs
36 LIBCSRC=        ${SRCTOP}/lib/libc
37
38 BOOTOBJ=        ${OBJTOP}/stand
39
40 # BINDIR is where we install
41 BINDIR?=        /boot
42
43 LIBSA=          ${BOOTOBJ}/libsa/libsa.a
44 .if ${MACHINE} == "i386"
45 LIBSA32=        ${LIBSA}
46 .else
47 LIBSA32=        ${BOOTOBJ}/libsa32/libsa32.a
48 .endif
49
50 # Standard options:
51 CFLAGS+=        -nostdinc
52 .if ${MACHINE_ARCH} == "amd64" && ${DO32:U0} == 1
53 CFLAGS+=        -I${BOOTOBJ}/libsa32
54 .else
55 CFLAGS+=        -I${BOOTOBJ}/libsa
56 .endif
57 CFLAGS+=        -I${SASRC} -D_STANDALONE
58 CFLAGS+=        -I${SYSDIR}
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.
66 CFLAGS.clang+=  -Oz
67 CFLAGS.gcc+=    -Os
68 CFLAGS+=        -ffunction-sections -fdata-sections
69 .endif
70
71 # GELI Support, with backward compat hooks (mostly)
72 .if defined(LOADER_NO_GELI_SUPPORT)
73 MK_LOADER_GELI=no
74 .warning "Please move from LOADER_NO_GELI_SUPPORT to WITHOUT_LOADER_GELI"
75 .endif
76 .if defined(LOADER_GELI_SUPPORT)
77 MK_LOADER_GELI=yes
78 .warning "Please move from LOADER_GELI_SUPPORT to WITH_LOADER_GELI"
79 .endif
80 .if ${MK_LOADER_GELI} == "yes"
81 CFLAGS+=        -DLOADER_GELI_SUPPORT
82 CFLAGS+=        -I${SASRC}/geli
83 .endif # MK_LOADER_GELI
84
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
90 .endif
91
92 # Machine specific flags for all builds here
93
94 # All PowerPC builds are 32 bit. We have no 64-bit loaders on powerpc
95 # or powerpc64.
96 .if ${MACHINE_ARCH} == "powerpc64"
97 CFLAGS+=        -m32 -mcpu=powerpc
98 .endif
99
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
104 CFLAGS+=        -m32
105 # LD_FLAGS is passed directly to ${LD}, not via ${CC}:
106 LD_FLAGS+=      -m elf_i386_fbsd
107 AFLAGS+=        --32
108 .endif
109
110 SSP_CFLAGS=
111
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
120 .else
121 CFLAGS+=        -msoft-float
122 .endif
123
124 # -msoft-float seems to be insufficient for powerpcspe
125 .if ${MACHINE_ARCH} == "powerpcspe"
126 CFLAGS+=        -mno-spe
127 .endif
128
129 .if ${MACHINE_CPUARCH} == "i386" || (${MACHINE_CPUARCH} == "amd64" && ${DO32:U0} == 1)
130 CFLAGS+=        -march=i386
131 CFLAGS.gcc+=    -mpreferred-stack-boundary=2
132 .endif
133 .if ${MACHINE_CPUARCH} == "amd64" && ${DO32:U0} == 0
134 CFLAGS+=        -fPIC -mno-red-zone
135 .endif
136
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
143 .else
144 CFLAGS.clang+=  -mno-movt
145 .endif
146 CFLAGS.clang+=  -mfpu=none
147 CFLAGS+=        -fPIC
148 .endif
149
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
155 DD=dd ${DD_NOSTATUS}
156
157 .if ${MACHINE_CPUARCH} == "mips"
158 CFLAGS+=        -G0 -fno-pic -mno-abicalls
159 .endif
160
161 .if ${MK_LOADER_FORCE_LE} != "no"
162 .if ${MACHINE_ARCH} == "powerpc64"
163 CFLAGS+=        -mlittle-endian
164 .endif
165 .endif
166
167 #
168 # Have a sensible default
169 #
170 .if ${MK_LOADER_LUA} == "yes"
171 LOADER_DEFAULT_INTERP?=lua
172 .elif ${MK_FORTH} == "yes"
173 LOADER_DEFAULT_INTERP?=4th
174 .else
175 LOADER_DEFAULT_INTERP?=simp
176 .endif
177 LOADER_INTERP?=${LOADER_DEFAULT_INTERP}
178
179 # Make sure we use the machine link we're about to create
180 CFLAGS+=-I.
181
182 all: ${PROG}
183
184 .if !defined(NO_OBJ)
185 _ILINKS=machine
186 .if ${MACHINE} != ${MACHINE_CPUARCH} && ${MACHINE} != "arm64"
187 _ILINKS+=${MACHINE_CPUARCH}
188 .endif
189 .if ${MACHINE_CPUARCH} == "i386" || ${MACHINE_CPUARCH} == "amd64"
190 _ILINKS+=x86
191 .endif
192 CLEANFILES+=${_ILINKS}
193
194 beforedepend: ${_ILINKS}
195 beforebuild: ${_ILINKS}
196
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})
201 ${OBJS}:       ${_link}
202 .endif # _link exists
203 .endfor
204
205 .NOPATH: ${_ILINKS}
206
207 ${_ILINKS}:
208         @case ${.TARGET} in \
209         machine) \
210                 if [ ${DO32:U0} -eq 0 ]; then \
211                         path=${SYSDIR}/${MACHINE}/include ; \
212                 else \
213                         path=${SYSDIR}/${MACHINE:C/amd64/i386/}/include ; \
214                 fi ;; \
215         *) \
216                 path=${SYSDIR}/${.TARGET:T}/include ;; \
217         esac ; \
218         path=`(cd $$path && /bin/pwd)` ; \
219         ${ECHO} ${.TARGET:T} "->" $$path ; \
220         ln -fhs $$path ${.TARGET:T}
221 .endif # !NO_OBJ
222 .endif # __BOOT_DEFS_MK__