xref: /freebsd/stand/defs.mk (revision eb69d1f144a6fcc765d1b9d44a5ae8082353e70b) 
1# $FreeBSD$
2
3.include <src.opts.mk>
4
5WARNS?=1
6
7.if !defined(__BOOT_DEFS_MK__)
8__BOOT_DEFS_MK__=${MFILE}
9
10MK_CTF=		no
11MK_SSP=		no
12MK_PROFILE=	no
13MAN=
14.if !defined(PIC)
15NO_PIC=
16INTERNALLIB=
17.endif
18
19BOOTSRC=	${SRCTOP}/stand
20EFISRC=		${BOOTSRC}/efi
21EFIINC=		${EFISRC}/include
22EFIINCMD=	${EFIINC}/${MACHINE}
23FDTSRC=		${BOOTSRC}/fdt
24FICLSRC=	${BOOTSRC}/ficl
25LDRSRC=		${BOOTSRC}/common
26LIBLUASRC=	${BOOTSRC}/liblua
27LUASRC=		${SRCTOP}/contrib/lua/src
28SASRC=		${BOOTSRC}/libsa
29SYSDIR=		${SRCTOP}/sys
30UBOOTSRC=	${BOOTSRC}/uboot
31ZFSSRC=		${BOOTSRC}/zfs
32
33BOOTOBJ=	${OBJTOP}/stand
34
35# BINDIR is where we install
36BINDIR?=	/boot
37
38LIBSA=		${BOOTOBJ}/libsa/libsa.a
39.if ${MACHINE} == "i386"
40LIBSA32=	${LIBSA}
41.else
42LIBSA32=	${BOOTOBJ}/libsa32/libsa32.a
43.endif
44
45# Standard options:
46CFLAGS+=	-nostdinc
47.if ${MACHINE_ARCH} == "amd64" && ${DO32:U0} == 1
48CFLAGS+=	-I${BOOTOBJ}/libsa32
49.else
50CFLAGS+=	-I${BOOTOBJ}/libsa
51.endif
52CFLAGS+=	-I${SASRC} -D_STANDALONE
53CFLAGS+=	-I${SYSDIR}
54
55# GELI Support, with backward compat hooks (mostly)
56.if defined(HAVE_GELI)
57.if defined(LOADER_NO_GELI_SUPPORT)
58MK_LOADER_GELI=no
59.warning "Please move from LOADER_NO_GELI_SUPPORT to WITHOUT_LOADER_GELI"
60.endif
61.if defined(LOADER_GELI_SUPPORT)
62MK_LOADER_GELI=yes
63.warning "Please move from LOADER_GELI_SUPPORT to WITH_LOADER_GELI"
64.endif
65.if ${MK_LOADER_GELI} == "yes"
66CFLAGS+=	-DLOADER_GELI_SUPPORT
67CFLAGS+=	-I${BOOTSRC}/geli
68LIBGELIBOOT=	${BOOTOBJ}/geli/libgeliboot.a
69.endif # MK_LOADER_GELI
70.endif # HAVE_GELI
71
72# These should be confined to loader.mk, but can't because uboot/lib
73# also uses it. It's part of loader, but isn't a loader so we can't
74# just include loader.mk
75.if ${LOADER_DISK_SUPPORT:Uyes} == "yes"
76CFLAGS+= -DLOADER_DISK_SUPPORT
77.endif
78
79# Machine specific flags for all builds here
80
81# All PowerPC builds are 32 bit. We have no 64-bit loaders on powerpc
82# or powerpc64.
83.if ${MACHINE_ARCH} == "powerpc64"
84CFLAGS+=	-m32 -mcpu=powerpc
85.endif
86
87# For amd64, there's a bit of mixed bag. Some of the tree (i386, lib*32) is
88# build 32-bit and some 64-bit (lib*, efi). Centralize all the 32-bit magic here
89# and activate it when DO32 is explicitly defined to be 1.
90.if ${MACHINE_ARCH} == "amd64" && ${DO32:U0} == 1
91CFLAGS+=	-m32 -mcpu=i386
92# LD_FLAGS is passed directly to ${LD}, not via ${CC}:
93LD_FLAGS+=	-m elf_i386_fbsd
94AFLAGS+=	--32
95.endif
96
97SSP_CFLAGS=
98
99# Add in the no float / no SIMD stuff and announce we're freestanding
100# aarch64 and riscv don't have -msoft-float, but all others do. riscv
101# currently has no /boot/loader, but may soon.
102CFLAGS+=	-ffreestanding ${CFLAGS_NO_SIMD}
103.if ${MACHINE_CPUARCH} == "aarch64"
104CFLAGS+=	-mgeneral-regs-only -fPIC
105.elif ${MACHINE_CPUARCH} == "riscv"
106CFLAGS+=	-march=rv64imac -mabi=lp64
107.else
108CFLAGS+=	-msoft-float
109.endif
110
111.if ${MACHINE_CPUARCH} == "i386" || (${MACHINE_CPUARCH} == "amd64" && ${DO32:U0} == 1)
112CFLAGS+=	-march=i386
113CFLAGS.gcc+=	-mpreferred-stack-boundary=2
114.endif
115.if ${MACHINE_CPUARCH} == "amd64" && ${DO32:U0} == 0
116CFLAGS+=	-fPIC -mno-red-zone
117.endif
118
119.if ${MACHINE_CPUARCH} == "arm"
120# Do not generate movt/movw, because the relocation fixup for them does not
121# translate to the -Bsymbolic -pie format required by self_reloc() in loader(8).
122# Also, the fpu is not available in a standalone environment.
123.if ${COMPILER_VERSION} < 30800
124CFLAGS.clang+=	-mllvm -arm-use-movt=0
125.else
126CFLAGS.clang+=	-mno-movt
127.endif
128CFLAGS.clang+=  -mfpu=none
129CFLAGS+=	-fPIC
130.endif
131
132# The boot loader build uses dd status=none, where possible, for reproducible
133# build output (since performance varies from run to run). Trouble is that
134# option was recently (10.3) added to FreeBSD and is non-standard. Only use it
135# when this test succeeds rather than require dd to be a bootstrap tool.
136DD_NOSTATUS!=(dd status=none count=0 2> /dev/null && echo status=none) || true
137DD=dd ${DD_NOSTATUS}
138
139.if ${MACHINE_CPUARCH} == "mips"
140CFLAGS+=	-G0 -fno-pic -mno-abicalls
141.endif
142
143.if ${MK_LOADER_FORCE_LE} != "no"
144.if ${MACHINE_ARCH} == "powerpc64"
145CFLAGS+=	-mlittle-endian
146.endif
147.endif
148
149# Make sure we use the machine link we're about to create
150CFLAGS+=-I.
151
152_ILINKS=machine
153.if ${MACHINE} != ${MACHINE_CPUARCH} && ${MACHINE} != "arm64"
154_ILINKS+=${MACHINE_CPUARCH}
155.endif
156.if ${MACHINE_CPUARCH} == "i386" || ${MACHINE_CPUARCH} == "amd64"
157_ILINKS+=x86
158.endif
159CLEANFILES+=${_ILINKS}
160
161all: ${PROG}
162
163beforedepend: ${_ILINKS}
164beforebuild: ${_ILINKS}
165
166# Ensure that the links exist without depending on it when it exists which
167# causes all the modules to be rebuilt when the directory pointed to changes.
168.for _link in ${_ILINKS}
169.if !exists(${.OBJDIR}/${_link})
170${OBJS}:       ${_link}
171.endif
172.endfor
173
174.NOPATH: ${_ILINKS}
175
176${_ILINKS}:
177	@case ${.TARGET} in \
178	machine) \
179		if [ ${DO32:U0} -eq 0 ]; then \
180			path=${SYSDIR}/${MACHINE}/include ; \
181		else \
182			path=${SYSDIR}/${MACHINE:C/amd64/i386/}/include ; \
183		fi ;; \
184	*) \
185		path=${SYSDIR}/${.TARGET:T}/include ;; \
186	esac ; \
187	path=`(cd $$path && /bin/pwd)` ; \
188	${ECHO} ${.TARGET:T} "->" $$path ; \
189	ln -fhs $$path ${.TARGET:T}
190
191.endif # __BOOT_DEFS_MK__
192