xref: /freebsd/stand/defs.mk (revision 6bc860372dd7b2be0227ca213af631bdc51c2339)
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
27LIBSA=		${BOOTOBJ}/libsa/libsa.a
28.if ${MACHINE} == "i386"
29LIBSA32=	${LIBSA}
30.else
31LIBSA32=	${BOOTOBJ}/libsa32/libsa32.a
32.endif
33
34# Standard options:
35CFLAGS+=	-nostdinc
36.if ${MACHINE_ARCH} == "amd64" && ${DO32:U0} == 1
37CFLAGS+=	-I${BOOTOBJ}/libsa32
38.else
39CFLAGS+=	-I${BOOTOBJ}/libsa
40.endif
41CFLAGS+=	-I${SASRC} -D_STANDALONE
42CFLAGS+=	-I${SYSDIR}
43
44# GELI Support, with backward compat hooks (mostly)
45.if defined(HAVE_GELI)
46.if defined(LOADER_NO_GELI_SUPPORT)
47MK_LOADER_GELI=no
48.warning "Please move from LOADER_NO_GELI_SUPPORT to WITHOUT_LOADER_GELI"
49.endif
50.if defined(LOADER_GELI_SUPPORT)
51MK_LOADER_GELI=yes
52.warning "Please move from LOADER_GELI_SUPPORT to WITH_LOADER_GELI"
53.endif
54.if ${MK_LOADER_GELI} == "yes"
55CFLAGS+=	-DLOADER_GELI_SUPPORT
56CFLAGS+=	-I${BOOTSRC}/geli
57LIBGELIBOOT=	${BOOTOBJ}/geli/libgeliboot.a
58.endif # MK_LOADER_GELI
59.endif # HAVE_GELI
60
61# Machine specific flags for all builds here
62
63# All PowerPC builds are 32 bit. We have no 64-bit loaders on powerpc
64# or powerpc64.
65.if ${MACHINE_ARCH} == "powerpc64"
66CFLAGS+=	-m32 -mcpu=powerpc
67.endif
68
69# For amd64, there's a bit of mixed bag. Some of the tree (i386, lib*32) is
70# build 32-bit and some 64-bit (lib*, efi). Centralize all the 32-bit magic here
71# and activate it when DO32 is explicitly defined to be 1.
72.if ${MACHINE_ARCH} == "amd64" && ${DO32:U0} == 1
73CFLAGS+=	-m32 -mcpu=i386
74# LD_FLAGS is passed directly to ${LD}, not via ${CC}:
75LD_FLAGS+=	-m elf_i386_fbsd
76AFLAGS+=	--32
77.endif
78
79SSP_CFLAGS=
80
81# Add in the no float / no SIMD stuff and announce we're freestanding
82# aarch64 and riscv don't have -msoft-float, but all others do. riscv
83# currently has no /boot/loader, but may soon.
84CFLAGS+=	-ffreestanding ${CFLAGS_NO_SIMD}
85.if ${MACHINE_CPUARCH} == "aarch64"
86CFLAGS+=	-mgeneral-regs-only
87.elif ${MACHINE_CPUARCH} != "riscv"
88CFLAGS+=	-msoft-float
89.endif
90
91.if ${MACHINE_CPUARCH} == "i386" || (${MACHINE_CPUARCH} == "amd64" && ${DO32:U0} == 1)
92CFLAGS+=	-march=i386
93CFLAGS.gcc+=	-mpreferred-stack-boundary=2
94.endif
95
96
97.if ${MACHINE_CPUARCH} == "arm"
98# Do not generate movt/movw, because the relocation fixup for them does not
99# translate to the -Bsymbolic -pie format required by self_reloc() in loader(8).
100# Also, the fpu is not available in a standalone environment.
101.if ${COMPILER_VERSION} < 30800
102CFLAGS.clang+=	-mllvm -arm-use-movt=0
103.else
104CFLAGS.clang+=	-mno-movt
105.endif
106CFLAGS.clang+=  -mfpu=none
107.endif
108
109# The boot loader build uses dd status=none, where possible, for reproducible
110# build output (since performance varies from run to run). Trouble is that
111# option was recently (10.3) added to FreeBSD and is non-standard. Only use it
112# when this test succeeds rather than require dd to be a bootstrap tool.
113DD_NOSTATUS!=(dd status=none count=0 2> /dev/null && echo status=none) || true
114DD=dd ${DD_NOSTATUS}
115
116.if ${MK_LOADER_FORCE_LE} != "no"
117.if ${MACHINE_ARCH} == "powerpc64"
118CFLAGS+=	-mlittle-endian
119.endif
120.endif
121
122# Make sure we use the machine link we're about to create
123CFLAGS+=-I.
124
125_ILINKS=machine
126.if ${MACHINE} != ${MACHINE_CPUARCH} && ${MACHINE} != "arm64"
127_ILINKS+=${MACHINE_CPUARCH}
128.endif
129.if ${MACHINE_CPUARCH} == "i386" || ${MACHINE_CPUARCH} == "amd64"
130_ILINKS+=x86
131.endif
132CLEANFILES+=${_ILINKS}
133
134all: ${PROG}
135
136beforedepend: ${_ILINKS}
137beforebuild: ${_ILINKS}
138
139# Ensure that the links exist without depending on it when it exists which
140# causes all the modules to be rebuilt when the directory pointed to changes.
141.for _link in ${_ILINKS}
142.if !exists(${.OBJDIR}/${_link})
143${OBJS}:       ${_link}
144.endif
145.endfor
146
147.NOPATH: ${_ILINKS}
148
149${_ILINKS}:
150	@case ${.TARGET} in \
151	machine) \
152		if [ ${DO32:U0} -eq 0 ]; then \
153			path=${SYSDIR}/${MACHINE}/include ; \
154		else \
155			path=${SYSDIR}/${MACHINE:C/amd64/i386/}/include ; \
156		fi ;; \
157	*) \
158		path=${SYSDIR}/${.TARGET:T}/include ;; \
159	esac ; \
160	path=`(cd $$path && /bin/pwd)` ; \
161	${ECHO} ${.TARGET:T} "->" $$path ; \
162	ln -fhs $$path ${.TARGET:T}
163
164.endif # __BOOT_DEFS_MK__
165