xref: /freebsd/stand/efi/boot1/Makefile (revision b37f6c9805edb4b89f0a8c2b78f78a3dcfc0647b)
1# $FreeBSD$
2
3MAN=
4
5.include <bsd.init.mk>
6
7MK_SSP=		no
8MK_FORTH=	no
9
10PROG=		boot1.sym
11INTERNALPROG=
12WARNS?=		6
13
14# We implement a slightly non-standard %S in that it always takes a
15# CHAR16 that's common in UEFI-land instead of a wchar_t. This only
16# seems to matter on arm64 where wchar_t defaults to an int instead
17# of a short. There's no good cast to use here so just ignore the
18# warnings for now.
19CWARNFLAGS.boot1.c+=	-Wno-format
20
21# Disable warnings that are currently incompatible with the zfs boot code
22CWARNFLAGS.zfs_module.c += -Wno-array-bounds
23CWARNFLAGS.zfs_module.c += -Wno-cast-align
24CWARNFLAGS.zfs_module.c += -Wno-cast-qual
25CWARNFLAGS.zfs_module.c += -Wno-missing-prototypes
26CWARNFLAGS.zfs_module.c += -Wno-sign-compare
27CWARNFLAGS.zfs_module.c += -Wno-unused-parameter
28CWARNFLAGS.zfs_module.c += -Wno-unused-function
29
30# architecture-specific loader code
31SRCS=	boot1.c self_reloc.c start.S ufs_module.c
32.if ${MK_ZFS} != "no"
33SRCS+=		zfs_module.c
34CFLAGS.zfs_module.c+=	-I${ZFSSRC}
35CFLAGS.zfs_module.c+=	-I${SYSDIR}/cddl/boot/zfs
36CFLAGS.zfs_module.c+=	-I${SYSDIR}/crypto/skein
37CFLAGS+=	-DEFI_ZFS_BOOT
38LIBZFSBOOT=	${BOOTOBJ}/zfs/libzfsboot.a
39.endif
40
41.if ${COMPILER_TYPE} == "gcc" && ${COMPILER_VERSION} > 40201
42CWARNFLAGS.self_reloc.c+=	-Wno-error=maybe-uninitialized
43.endif
44
45CFLAGS+=	-I${EFIINC}
46CFLAGS+=	-I${EFIINCMD}
47CFLAGS+=	-I${SYSDIR}/contrib/dev/acpica/include
48CFLAGS+=	-DEFI_UFS_BOOT
49.ifdef(EFI_DEBUG)
50CFLAGS+=	-DEFI_DEBUG
51.endif
52
53# Always add MI sources and REGULAR efi loader bits
54.PATH:		${EFISRC}/loader/arch/${MACHINE}
55.PATH:		${EFISRC}/loader
56.PATH:		${LDRSRC}
57CFLAGS+=	-I${LDRSRC}
58
59FILES=	boot1.efi boot1.efifat
60FILESMODE_boot1.efi=	${BINMODE}
61
62LDSCRIPT=	${EFISRC}/loader/arch/${MACHINE}/ldscript.${MACHINE}
63LDFLAGS+=	-Wl,-T${LDSCRIPT},-Bsymbolic,-znotext -shared
64
65.if ${MACHINE_CPUARCH} == "aarch64"
66CFLAGS+=	-mgeneral-regs-only
67.endif
68.if ${MACHINE_CPUARCH} == "amd64" || ${MACHINE_CPUARCH} == "i386"
69CFLAGS+=	-fPIC
70LDFLAGS+=	-Wl,-znocombreloc
71.endif
72
73LIBEFI=		${BOOTOBJ}/efi/libefi/libefi.a
74
75#
76# Add libstand for the runtime functions used by the compiler - for example
77# __aeabi_* (arm) or __divdi3 (i386).
78# as well as required string and memory functions for all platforms.
79#
80DPADD+=		${LIBEFI} ${LIBZFSBOOT} ${LIBSA}
81LDADD+=		${LIBEFI} ${LIBZFSBOOT} ${LIBSA}
82
83DPADD+=		${LDSCRIPT}
84
85NM?=		nm
86OBJCOPY?=	objcopy
87
88.if ${MACHINE_CPUARCH} == "amd64"
89EFI_TARGET=	efi-app-x86_64
90.elif ${MACHINE_CPUARCH} == "i386"
91EFI_TARGET=	efi-app-ia32
92.else
93EFI_TARGET=	binary
94.endif
95
96# Arbitrarily set the PE/COFF header timestamps to 1 Jan 2016 00:00:00
97# for build reproducibility.
98SOURCE_DATE_EPOCH?=1451606400
99boot1.efi: ${PROG}
100	if ${NM} ${.ALLSRC} | grep ' U '; then \
101		echo "Undefined symbols in ${.ALLSRC}"; \
102		exit 1; \
103	fi
104	SOURCE_DATE_EPOCH=${SOURCE_DATE_EPOCH} \
105	${OBJCOPY} -j .peheader -j .text -j .sdata -j .data \
106		-j .dynamic -j .dynsym -j .rel.dyn \
107		-j .rela.dyn -j .reloc -j .eh_frame \
108		--output-target=${EFI_TARGET} ${.ALLSRC} ${.TARGET}
109
110# The following inserts our objects into a template FAT file system
111# created by generate-fat.sh
112
113.include "Makefile.fat"
114
115boot1.efifat: boot1.efi
116	@set -- `ls -l ${.ALLSRC}`; \
117	x=$$(($$5-${BOOT1_MAXSIZE})); \
118	if [ $$x -ge 0 ]; then \
119	    echo "boot1 $$x bytes too large; regenerate FAT templates?" >&2 ;\
120	    exit 1; \
121	fi
122	echo ${.OBJDIR}
123	xz -d -c ${BOOTSRC}/efi/boot1/fat-${MACHINE}.tmpl.xz > ${.TARGET}
124	${DD} if=${.ALLSRC} of=${.TARGET} seek=${BOOT1_OFFSET} conv=notrunc
125
126CLEANFILES+= boot1.efi boot1.efifat
127
128.include <bsd.prog.mk>
129