defs.mk revision 334572 
1# $FreeBSD: stable/11/stand/defs.mk 334572 2018-06-03 17:17:45Z dim $
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
26SASRC=		${BOOTSRC}/libsa
27SYSDIR=		${SRCTOP}/sys
28UBOOTSRC=	${BOOTSRC}/uboot
29ZFSSRC=		${BOOTSRC}/zfs
30
31BOOTOBJ=	${OBJTOP}/stand
32
33# BINDIR is where we install
34BINDIR?=	/boot
35
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# Spike the floating point interfaces
53CFLAGS+=	-Ddouble=jagged-little-pill -Dfloat=floaty-mcfloatface
54
55
56# GELI Support, with backward compat hooks (mostly)
57.if defined(HAVE_GELI)
58.if defined(LOADER_NO_GELI_SUPPORT)
59MK_LOADER_GELI=no
60.warning "Please move from LOADER_NO_GELI_SUPPORT to WITHOUT_LOADER_GELI"
61.endif
62.if defined(LOADER_GELI_SUPPORT)
63MK_LOADER_GELI=yes
64.warning "Please move from LOADER_GELI_SUPPORT to WITH_LOADER_GELI"
65.endif
66.if ${MK_LOADER_GELI} == "yes"
67CFLAGS+=	-DLOADER_GELI_SUPPORT
68CFLAGS+=	-I${BOOTSRC}/geli
69LIBGELIBOOT=	${BOOTOBJ}/geli/libgeliboot.a
70.endif # MK_LOADER_GELI
71.endif # HAVE_GELI
72
73# These should be confined to loader.mk, but can't because uboot/lib
74# also uses it. It's part of loader, but isn't a loader so we can't
75# just include loader.mk
76.if ${LOADER_DISK_SUPPORT:Uyes} == "yes"
77CFLAGS+= -DLOADER_DISK_SUPPORT
78.endif
79
80# Machine specific flags for all builds here
81
82# All PowerPC builds are 32 bit. We have no 64-bit loaders on powerpc
83# or powerpc64.
84.if ${MACHINE_ARCH} == "powerpc64"
85CFLAGS+=	-m32 -mcpu=powerpc
86.endif
87
88# For amd64, there's a bit of mixed bag. Some of the tree (i386, lib*32) is
89# build 32-bit and some 64-bit (lib*, efi). Centralize all the 32-bit magic here
90# and activate it when DO32 is explicitly defined to be 1.
91.if ${MACHINE_ARCH} == "amd64" && ${DO32:U0} == 1
92CFLAGS+=	-m32
93# LD_FLAGS is passed directly to ${LD}, not via ${CC}:
94LD_FLAGS+=	-m elf_i386_fbsd
95AFLAGS+=	--32
96.endif
97
98SSP_CFLAGS=
99
100# Add in the no float / no SIMD stuff and announce we're freestanding
101# aarch64 and riscv don't have -msoft-float, but all others do. riscv
102# currently has no /boot/loader, but may soon.
103CFLAGS+=	-ffreestanding ${CFLAGS_NO_SIMD}
104.if ${MACHINE_CPUARCH} == "aarch64"
105CFLAGS+=	-mgeneral-regs-only -fPIC
106.elif ${MACHINE_CPUARCH} == "riscv"
107CFLAGS+=	-march=rv64imac -mabi=lp64
108.else
109CFLAGS+=	-msoft-float
110.endif
111
112.if ${MACHINE_CPUARCH} == "i386" || (${MACHINE_CPUARCH} == "amd64" && ${DO32:U0} == 1)
113CFLAGS+=	-march=i386
114CFLAGS.gcc+=	-mpreferred-stack-boundary=2
115.endif
116.if ${MACHINE_CPUARCH} == "amd64" && ${DO32:U0} == 0
117CFLAGS+=	-fPIC -mno-red-zone
118.endif
119
120.if ${MACHINE_CPUARCH} == "arm"
121# Do not generate movt/movw, because the relocation fixup for them does not
122# translate to the -Bsymbolic -pie format required by self_reloc() in loader(8).
123# Also, the fpu is not available in a standalone environment.
124.if ${COMPILER_VERSION} < 30800
125CFLAGS.clang+=	-mllvm -arm-use-movt=0
126.else
127CFLAGS.clang+=	-mno-movt
128.endif
129CFLAGS.clang+=  -mfpu=none
130CFLAGS+=	-fPIC
131.endif
132
133# The boot loader build uses dd status=none, where possible, for reproducible
134# build output (since performance varies from run to run). Trouble is that
135# option was recently (10.3) added to FreeBSD and is non-standard. Only use it
136# when this test succeeds rather than require dd to be a bootstrap tool.
137DD_NOSTATUS!=(dd status=none count=0 2> /dev/null && echo status=none) || true
138DD=dd ${DD_NOSTATUS}
139
140.if ${MACHINE_CPUARCH} == "mips"
141CFLAGS+=	-G0 -fno-pic -mno-abicalls
142.endif
143
144.if ${MK_LOADER_FORCE_LE} != "no"
145.if ${MACHINE_ARCH} == "powerpc64"
146CFLAGS+=	-mlittle-endian
147.endif
148.endif
149
150# Make sure we use the machine link we're about to create
151CFLAGS+=-I.
152
153all: ${PROG}
154
155.if !defined(NO_OBJ)
156_ILINKS=machine
157.if ${MACHINE} != ${MACHINE_CPUARCH} && ${MACHINE} != "arm64"
158_ILINKS+=${MACHINE_CPUARCH}
159.endif
160.if ${MACHINE_CPUARCH} == "i386" || ${MACHINE_CPUARCH} == "amd64"
161_ILINKS+=x86
162.endif
163CLEANFILES+=${_ILINKS}
164
165beforedepend: ${_ILINKS}
166beforebuild: ${_ILINKS}
167
168# Ensure that the links exist without depending on it when it exists which
169# causes all the modules to be rebuilt when the directory pointed to changes.
170.for _link in ${_ILINKS}
171.if !exists(${.OBJDIR}/${_link})
172${OBJS}:       ${_link}
173.endif # _link exists
174.endfor
175
176.NOPATH: ${_ILINKS}
177
178${_ILINKS}:
179	@case ${.TARGET} in \
180	machine) \
181		if [ ${DO32:U0} -eq 0 ]; then \
182			path=${SYSDIR}/${MACHINE}/include ; \
183		else \
184			path=${SYSDIR}/${MACHINE:C/amd64/i386/}/include ; \
185		fi ;; \
186	*) \
187		path=${SYSDIR}/${.TARGET:T}/include ;; \
188	esac ; \
189	path=`(cd $$path && /bin/pwd)` ; \
190	${ECHO} ${.TARGET:T} "->" $$path ; \
191	ln -fhs $$path ${.TARGET:T}
192.endif # !NO_OBJ
193.endif # __BOOT_DEFS_MK__
194