xref: /freebsd/stand/defs.mk (revision a2e2311a) 
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
10MK_CTF=		no
11MK_SSP=		no
12MK_PROFILE=	no
13MAN=
14.if !defined(PIC)
15NO_PIC=
16INTERNALLIB=
17.endif
18
19.include <src.opts.mk>
20
21WARNS?=		1
22
23BOOTSRC=	${SRCTOP}/stand
24EFISRC=		${BOOTSRC}/efi
25EFIINC=		${EFISRC}/include
26EFIINCMD=	${EFIINC}/${MACHINE}
27FDTSRC=		${BOOTSRC}/fdt
28FICLSRC=	${BOOTSRC}/ficl
29LDRSRC=		${BOOTSRC}/common
30LIBLUASRC=	${BOOTSRC}/liblua
31LIBOFWSRC=	${BOOTSRC}/libofw
32LUASRC=		${SRCTOP}/contrib/lua/src
33SASRC=		${BOOTSRC}/libsa
34SYSDIR=		${SRCTOP}/sys
35UBOOTSRC=	${BOOTSRC}/uboot
36ZFSSRC=		${SASRC}/zfs
37LIBCSRC=	${SRCTOP}/lib/libc
38
39BOOTOBJ=	${OBJTOP}/stand
40
41# BINDIR is where we install
42BINDIR?=	/boot
43
44# LUAPATH is where we search for and install lua scripts.
45LUAPATH?=	/boot/lua
46FLUASRC?=	${SRCTOP}/libexec/flua
47
48LIBSA=		${BOOTOBJ}/libsa/libsa.a
49.if ${MACHINE} == "i386"
50LIBSA32=	${LIBSA}
51.else
52LIBSA32=	${BOOTOBJ}/libsa32/libsa32.a
53.endif
54
55# Standard options:
56CFLAGS+=	-nostdinc
57.if ${MACHINE_ARCH} == "amd64" && ${DO32:U0} == 1
58CFLAGS+=	-I${BOOTOBJ}/libsa32
59.else
60CFLAGS+=	-I${BOOTOBJ}/libsa
61.endif
62CFLAGS+=	-I${SASRC} -D_STANDALONE
63CFLAGS+=	-I${SYSDIR}
64# Spike the floating point interfaces
65CFLAGS+=	-Ddouble=jagged-little-pill -Dfloat=floaty-mcfloatface
66.if ${MACHINE_ARCH} == "i386" || ${MACHINE_ARCH} == "amd64"
67# Slim down the image. This saves about 15% in size with clang 6 on x86
68# Our most constrained /boot/loader env is BIOS booting on x86, where
69# our text + data + BTX have to fit into 640k below the ISA hole.
70# Experience has shown that problems arise between ~520k to ~530k.
71CFLAGS.clang+=	-Oz
72CFLAGS.gcc+=	-Os
73CFLAGS+=	-ffunction-sections -fdata-sections
74.endif
75
76# GELI Support, with backward compat hooks (mostly)
77.if defined(LOADER_NO_GELI_SUPPORT)
78MK_LOADER_GELI=no
79.warning "Please move from LOADER_NO_GELI_SUPPORT to WITHOUT_LOADER_GELI"
80.endif
81.if defined(LOADER_GELI_SUPPORT)
82MK_LOADER_GELI=yes
83.warning "Please move from LOADER_GELI_SUPPORT to WITH_LOADER_GELI"
84.endif
85.if ${MK_LOADER_GELI} == "yes"
86CFLAGS+=	-DLOADER_GELI_SUPPORT
87CFLAGS+=	-I${SASRC}/geli
88.endif # MK_LOADER_GELI
89
90# These should be confined to loader.mk, but can't because uboot/lib
91# also uses it. It's part of loader, but isn't a loader so we can't
92# just include loader.mk
93.if ${LOADER_DISK_SUPPORT:Uyes} == "yes"
94CFLAGS+= -DLOADER_DISK_SUPPORT
95.endif
96
97# Machine specific flags for all builds here
98
99# All PowerPC builds are 32 bit. We have no 64-bit loaders on powerpc
100# or powerpc64.
101.if ${MACHINE_ARCH} == "powerpc64"
102CFLAGS+=	-m32 -mcpu=powerpc
103.endif
104
105# For amd64, there's a bit of mixed bag. Some of the tree (i386, lib*32) is
106# build 32-bit and some 64-bit (lib*, efi). Centralize all the 32-bit magic here
107# and activate it when DO32 is explicitly defined to be 1.
108.if ${MACHINE_ARCH} == "amd64" && ${DO32:U0} == 1
109CFLAGS+=	-m32
110# LD_FLAGS is passed directly to ${LD}, not via ${CC}:
111LD_FLAGS+=	-m elf_i386_fbsd
112AFLAGS+=	--32
113.endif
114
115SSP_CFLAGS=
116
117# Add in the no float / no SIMD stuff and announce we're freestanding
118# aarch64 and riscv don't have -msoft-float, but all others do. riscv
119# currently has no /boot/loader, but may soon.
120CFLAGS+=	-ffreestanding ${CFLAGS_NO_SIMD}
121.if ${MACHINE_CPUARCH} == "aarch64"
122CFLAGS+=	-mgeneral-regs-only -ffixed-x18 -fPIC
123.elif ${MACHINE_CPUARCH} == "riscv"
124CFLAGS+=	-march=rv64imac -mabi=lp64
125.else
126CFLAGS+=	-msoft-float
127.endif
128
129# -msoft-float seems to be insufficient for powerpcspe
130.if ${MACHINE_ARCH} == "powerpcspe"
131CFLAGS+=	-mno-spe
132.endif
133
134.if ${MACHINE_CPUARCH} == "i386" || (${MACHINE_CPUARCH} == "amd64" && ${DO32:U0} == 1)
135CFLAGS+=	-march=i386
136CFLAGS.gcc+=	-mpreferred-stack-boundary=2
137.endif
138.if ${MACHINE_CPUARCH} == "amd64" && ${DO32:U0} == 0
139CFLAGS+=	-fPIC -mno-red-zone
140.endif
141
142.if ${MACHINE_CPUARCH} == "arm"
143# Do not generate movt/movw, because the relocation fixup for them does not
144# translate to the -Bsymbolic -pie format required by self_reloc() in loader(8).
145# Also, the fpu is not available in a standalone environment.
146.if ${COMPILER_VERSION} < 30800
147CFLAGS.clang+=	-mllvm -arm-use-movt=0
148.else
149CFLAGS.clang+=	-mno-movt
150.endif
151CFLAGS.clang+=  -mfpu=none
152CFLAGS+=	-fPIC
153.endif
154
155# The boot loader build uses dd status=none, where possible, for reproducible
156# build output (since performance varies from run to run). Trouble is that
157# option was recently (10.3) added to FreeBSD and is non-standard. Only use it
158# when this test succeeds rather than require dd to be a bootstrap tool.
159DD_NOSTATUS!=(dd status=none count=0 2> /dev/null && echo status=none) || true
160DD=dd ${DD_NOSTATUS}
161
162.if ${MACHINE_CPUARCH} == "mips"
163CFLAGS+=	-G0 -fno-pic -mno-abicalls
164.endif
165
166.if ${MK_LOADER_FORCE_LE} != "no"
167.if ${MACHINE_ARCH} == "powerpc64"
168CFLAGS+=	-mlittle-endian
169.endif
170.endif
171
172#
173# Have a sensible default
174#
175.if ${MK_LOADER_LUA} == "yes"
176LOADER_DEFAULT_INTERP?=lua
177.elif ${MK_FORTH} == "yes"
178LOADER_DEFAULT_INTERP?=4th
179.else
180LOADER_DEFAULT_INTERP?=simp
181.endif
182LOADER_INTERP?=${LOADER_DEFAULT_INTERP}
183
184# Make sure we use the machine link we're about to create
185CFLAGS+=-I.
186
187all: ${PROG}
188
189CLEANFILES+= teken_state.h
190teken.c: teken_state.h
191
192teken_state.h: ${SYSDIR}/teken/sequences
193	awk -f ${SYSDIR}/teken/gensequences \
194		${SYSDIR}/teken/sequences > teken_state.h
195
196.if !defined(NO_OBJ)
197_ILINKS=include/machine
198.if ${MACHINE} != ${MACHINE_CPUARCH} && ${MACHINE} != "arm64"
199_ILINKS+=include/${MACHINE_CPUARCH}
200.endif
201.if ${MACHINE_CPUARCH} == "i386" || ${MACHINE_CPUARCH} == "amd64"
202_ILINKS+=include/x86
203.endif
204CFLAGS+= -Iinclude
205CLEANDIRS+= include
206
207beforedepend: ${_ILINKS}
208beforebuild: ${_ILINKS}
209
210# Ensure that the links exist without depending on it when it exists which
211# causes all the modules to be rebuilt when the directory pointed to changes.
212.for _link in ${_ILINKS}
213.if !exists(${.OBJDIR}/${_link})
214${OBJS}:       ${_link}
215.endif # _link exists
216.endfor
217
218.NOPATH: ${_ILINKS}
219
220${_ILINKS}: .NOMETA
221	@case ${.TARGET:T} in \
222	machine) \
223		if [ ${DO32:U0} -eq 0 ]; then \
224			path=${SYSDIR}/${MACHINE}/include ; \
225		else \
226			path=${SYSDIR}/${MACHINE:C/amd64/i386/}/include ; \
227		fi ;; \
228	*) \
229		path=${SYSDIR}/${.TARGET:T}/include ;; \
230	esac ; \
231	case ${.TARGET} in \
232	*/*) mkdir -p ${.TARGET:H};; \
233	esac ; \
234	path=`(cd $$path && /bin/pwd)` ; \
235	${ECHO} ${.TARGET} "->" $$path ; \
236	ln -fhs $$path ${.TARGET}
237.endif # !NO_OBJ
238.endif # __BOOT_DEFS_MK__
239