xref: /freebsd/stand/defs.mk (revision c83457486b042f0d08e8f8add4fc3b64b33b7d7d)
1# $FreeBSD$
2
3.include <src.opts.mk>
4
5WARNS?=1
6
7.if !defined(__BOOT_DEFS_MK__)
8__BOOT_DEFS_MK__=${MFILE}
9
10BOOTSRC=	${SRCTOP}/stand
11EFISRC=		${BOOTSRC}/efi
12EFIINC=		${EFISRC}/include
13EFIINCMD=	${EFIINC}/${MACHINE}
14FDTSRC=		${BOOTSRC}/fdt
15FICLSRC=	${BOOTSRC}/ficl
16LDRSRC=		${BOOTSRC}/common
17SASRC=		${BOOTSRC}/libsa
18SYSDIR=		${SRCTOP}/sys
19UBOOTSRC=	${BOOTSRC}/uboot
20ZFSSRC=		${BOOTSRC}/zfs
21
22BOOTOBJ=	${OBJTOP}/stand
23
24# BINDIR is where we install
25BINDIR?=	/boot
26
27# NB: The makefiles depend on these being empty when we don't build forth.
28.if ${MK_FORTH} != "no"
29LIBFICL=	${BOOTOBJ}/ficl/libficl.a
30.if ${MACHINE} == "i386"
31LIBFICL32=	${LIBFICL}
32.else
33LIBFICL32=	${BOOTOBJ}/ficl32/libficl.a
34.endif
35.endif
36LIBSA=		${BOOTOBJ}/libsa/libsa.a
37.if ${MACHINE} == "i386"
38LIBSA32=	${LIBSA}
39.else
40LIBSA32=	${BOOTOBJ}/libsa32/libsa32.a
41.endif
42
43# Standard options:
44CFLAGS+=	-nostdinc
45.if ${MACHINE_ARCH} == "amd64" && ${DO32:U0} == 1
46CFLAGS+=	-I${BOOTOBJ}/libsa32
47.else
48CFLAGS+=	-I${BOOTOBJ}/libsa
49.endif
50CFLAGS+=	-I${SASRC} -D_STANDALONE
51CFLAGS+=	-I${SYSDIR}
52
53# Filesystem support
54.if ${LOADER_CD9660_SUPPORT:Uno} == "yes"
55CFLAGS+=	-DLOADER_CD9660_SUPPORT
56.endif
57.if ${LOADER_EXT2FS_SUPPORT:Uno} == "yes"
58CFLAGS+=	-DLOADER_EXT2FS_SUPPORT
59.endif
60.if ${LOADER_MSDOS_SUPPORT:Uno} == "yes"
61CFLAGS+=	-DLOADER_MSDOS_SUPPORT
62.endif
63.if ${LOADER_NANDFS_SUPPORT:U${MK_NAND}} == "yes"
64CFLAGS+=	-DLOADER_NANDFS_SUPPORT
65.endif
66.if ${LOADER_UFS_SUPPORT:Uyes} == "yes"
67CFLAGS+=	-DLOADER_UFS_SUPPORT
68.endif
69
70# Compression
71.if ${LOADER_GZIP_SUPPORT:Uno} == "yes"
72CFLAGS+=	-DLOADER_GZIP_SUPPORT
73.endif
74.if ${LOADER_BZIP2_SUPPORT:Uno} == "yes"
75CFLAGS+=	-DLOADER_BZIP2_SUPPORT
76.endif
77
78# Network related things
79.if ${LOADER_NET_SUPPORT:Uno} == "yes"
80CFLAGS+=	-DLOADER_NET_SUPPORT
81.endif
82.if ${LOADER_NFS_SUPPORT:Uno} == "yes"
83CFLAGS+=	-DLOADER_NFS_SUPPORT
84.endif
85.if ${LOADER_TFTP_SUPPORT:Uno} == "yes"
86CFLAGS+=	-DLOADER_TFTP_SUPPORT
87.endif
88
89# Disk and partition support
90.if ${LOADER_DISK_SUPPORT:Uyes} == "yes"
91CFLAGS+= -DLOADER_DISK_SUPPORT
92.if ${LOADER_GPT_SUPPORT:Uyes} == "yes"
93CFLAGS+= -DLOADER_GPT_SUPPORT
94.endif
95.if ${LOADER_MBR_SUPPORT:Uyes} == "yes"
96CFLAGS+= -DLOADER_MBR_SUPPORT
97.endif
98
99# GELI Support, with backward compat hooks (mostly)
100.if defined(HAVE_GELI)
101.if defined(LOADER_NO_GELI_SUPPORT)
102MK_LOADER_GELI=no
103.warning "Please move from LOADER_NO_GELI_SUPPORT to WITHOUT_LOADER_GELI"
104.endif
105.if defined(LOADER_GELI_SUPPORT)
106MK_LOADER_GELI=yes
107.warning "Please move from LOADER_GELI_SUPPORT to WITH_LOADER_GELI"
108.endif
109.if ${MK_LOADER_GELI} == "yes"
110CFLAGS+=	-DLOADER_GELI_SUPPORT
111CFLAGS+=	-I${BOOTSRC}/geli
112LIBGELIBOOT=	${BOOTOBJ}/geli/libgeliboot.a
113.endif
114.endif
115.endif
116
117# Machine specific flags for all builds here
118
119# All PowerPC builds are 32 bit. We have no 64-bit loaders on powerpc
120# or powerpc64.
121.if ${MACHINE_ARCH} == "powerpc64"
122CFLAGS+=	-m32 -mcpu=powerpc
123.endif
124
125# For amd64, there's a bit of mixed bag. Some of the tree (i386, lib*32) is
126# build 32-bit and some 64-bit (lib*, efi). Centralize all the 32-bit magic here
127# and activate it when DO32 is explicitly defined to be 1.
128.if ${MACHINE_ARCH} == "amd64" && ${DO32:U0} == 1
129CFLAGS+=	-m32 -mcpu=i386
130# LD_FLAGS is passed directly to ${LD}, not via ${CC}:
131LD_FLAGS+=	-m elf_i386_fbsd
132AFLAGS+=	--32
133.endif
134
135SSP_CFLAGS=
136
137# Add in the no float / no SIMD stuff and announce we're freestanding
138# aarch64 and riscv don't have -msoft-float, but all others do. riscv
139# currently has no /boot/loader, but may soon.
140CFLAGS+=	-ffreestanding ${CFLAGS_NO_SIMD}
141.if ${MACHINE_CPUARCH} == "aarch64"
142CFLAGS+=	-mgeneral-regs-only
143.elif ${MACHINE_CPUARCH} != "riscv"
144CFLAGS+=	-msoft-float
145.endif
146
147.if ${MACHINE_CPUARCH} == "i386" || (${MACHINE_CPUARCH} == "amd64" && ${DO32:U0} == 1)
148CFLAGS+=	-march=i386
149CFLAGS.gcc+=	-mpreferred-stack-boundary=2
150.endif
151
152
153.if ${MACHINE_CPUARCH} == "arm"
154# Do not generate movt/movw, because the relocation fixup for them does not
155# translate to the -Bsymbolic -pie format required by self_reloc() in loader(8).
156# Also, the fpu is not available in a standalone environment.
157.if ${COMPILER_VERSION} < 30800
158CFLAGS.clang+=	-mllvm -arm-use-movt=0
159.else
160CFLAGS.clang+=	-mno-movt
161.endif
162CFLAGS.clang+=  -mfpu=none
163.endif
164
165# The boot loader build uses dd status=none, where possible, for reproducible
166# build output (since performance varies from run to run). Trouble is that
167# option was recently (10.3) added to FreeBSD and is non-standard. Only use it
168# when this test succeeds rather than require dd to be a bootstrap tool.
169DD_NOSTATUS!=(dd status=none count=0 2> /dev/null && echo status=none) || true
170DD=dd ${DD_NOSTATUS}
171
172.if ${MK_LOADER_FORCE_LE} != "no"
173.if ${MACHINE_ARCH} == "powerpc64"
174CFLAGS+=	-mlittle-endian
175.endif
176.endif
177
178# Make sure we use the machine link we're about to create
179CFLAGS+=-I.
180
181_ILINKS=machine
182.if ${MACHINE} != ${MACHINE_CPUARCH} && ${MACHINE} != "arm64"
183_ILINKS+=${MACHINE_CPUARCH}
184.endif
185.if ${MACHINE_CPUARCH} == "i386" || ${MACHINE_CPUARCH} == "amd64"
186_ILINKS+=x86
187.endif
188CLEANFILES+=${_ILINKS}
189
190all: ${PROG}
191
192beforedepend: ${_ILINKS}
193beforebuild: ${_ILINKS}
194
195# Ensure that the links exist without depending on it when it exists which
196# causes all the modules to be rebuilt when the directory pointed to changes.
197.for _link in ${_ILINKS}
198.if !exists(${.OBJDIR}/${_link})
199${OBJS}:       ${_link}
200.endif
201.endfor
202
203.NOPATH: ${_ILINKS}
204
205${_ILINKS}:
206	@case ${.TARGET} in \
207	machine) \
208		if [ ${DO32:U0} -eq 0 ]; then \
209			path=${SYSDIR}/${MACHINE}/include ; \
210		else \
211			path=${SYSDIR}/${MACHINE:C/amd64/i386/}/include ; \
212		fi ;; \
213	*) \
214		path=${SYSDIR}/${.TARGET:T}/include ;; \
215	esac ; \
216	path=`(cd $$path && /bin/pwd)` ; \
217	${ECHO} ${.TARGET:T} "->" $$path ; \
218	ln -fhs $$path ${.TARGET:T}
219
220# For loader implementations, we generate a loader.help file. This can be suppressed by
221# setting HELP_FILES to nothing.
222HELP_FILES=	${LDRSRC}/help.common
223
224.endif # __BOOT_DEFS_MK__
225