Makefile.bootxx revision 1.41 
1# $NetBSD: Makefile.bootxx,v 1.41 2011/06/16 16:39:53 joerg Exp $
2
3S=	${.CURDIR}/../../../../..
4
5AFLAGS.bootxx.S= ${${ACTIVE_CC} == "clang":?-no-integrated-as:}
6AFLAGS.label.S= ${${ACTIVE_CC} == "clang":?-no-integrated-as:}
7AFLAGS.pbr.S= ${${ACTIVE_CC} == "clang":?-no-integrated-as:}
8
9PIE_CFLAGS=
10PIE_LDFLAGS=
11PIE_AFLAGS=
12NOMAN=
13PROG?= bootxx_${FS}
14BINDIR= /usr/mdec
15BINMODE= 0444
16
17PRIMARY_LOAD_ADDRESS=0x1000
18SECONDARY_LOAD_ADDRESS=0x10000
19
20# We ought (need?) to fit into track 0 of a 1.2M floppy.
21# This restricts us to 15 sectors (including pbr and label)
22BOOTXX_SECTORS?=15
23BOOTXX_MAXSIZE?= $$(( ${BOOTXX_SECTORS} * 512 ))
24
25SRCS= pbr.S label.S bootxx.S boot1.c
26
27.include <bsd.own.mk>
28
29STRIPFLAG=	# nothing
30
31LIBCRT0=	# nothing
32LIBCRTBEGIN=	# nothing
33LIBCRTEND=	# nothing
34LIBC=		# nothing
35
36BINDIR=/usr/mdec
37BINMODE=444
38
39.PATH:	${.CURDIR}/.. ${.CURDIR}/../../lib
40
41LDFLAGS+= -nostdlib -Wl,-N -Wl,-e,start
42CPPFLAGS+= -DBOOTXX
43# CPPFLAGS+= -D__daddr_t=int32_t
44CPPFLAGS+= -I ${.CURDIR}/../../lib -I ${.OBJDIR}
45CPPFLAGS+= -DBOOTXX_SECTORS=${BOOTXX_SECTORS}
46CPPFLAGS+= -DPRIMARY_LOAD_ADDRESS=${PRIMARY_LOAD_ADDRESS}
47CPPFLAGS+= -DSECONDARY_LOAD_ADDRESS=${SECONDARY_LOAD_ADDRESS}
48CPPFLAGS+= -DXXfs_open=${FS}_open
49CPPFLAGS+= -DXXfs_close=${FS}_close
50CPPFLAGS+= -DXXfs_read=${FS}_read
51CPPFLAGS+= -DXXfs_stat=${FS}_stat
52CPPFLAGS+= -DFS=${FS}
53# CPPFLAGS+= -DBOOT_MSG_COM0
54
55# Make sure we override any optimization options specified by the user
56.include "${.PARSEDIR}/../Makefile.inc"
57COPTS=	${OPT_SIZE.${ACTIVE_CC}}
58DBG=
59
60CPPFLAGS+= -DNO_LBA_CHECK
61
62.if defined(HAVE_GCC)
63.if ${MACHINE_ARCH} == "x86_64"
64LDFLAGS+=  -Wl,-m,elf_i386
65AFLAGS+=   -m32
66CPUFLAGS=  -m32
67LIBKERN_ARCH=i386
68KERNMISCMAKEFLAGS="LIBKERN_ARCH=i386"
69.else
70CPPFLAGS+= -DEPIA_HACK
71.if ${HAVE_GCC} == 3
72CPUFLAGS=  -mcpu=i386
73.else
74CPUFLAGS=  -march=i386 -mtune=i386
75.endif
76.endif
77.endif
78
79CFLAGS+= -Wall -Wmissing-prototypes -Wstrict-prototypes
80CPPFLAGS+= -nostdinc -D_STANDALONE
81CPPFLAGS+= -I$S
82
83CPPFLAGS+= -DLIBSA_SINGLE_FILESYSTEM=xxfs \
84		-DLIBSA_NO_TWIDDLE \
85		-DLIBSA_NO_FD_CHECKING \
86		-DLIBSA_NO_RAW_ACCESS \
87		-DLIBSA_NO_FS_WRITE \
88		-DLIBSA_NO_FS_SEEK \
89		-DLIBSA_SINGLE_DEVICE=blkdev \
90		-DLIBKERN_OPTIMISE_SPACE \
91		-D"blkdevioctl(x,y,z)=EINVAL" \
92		-D"blkdevclose(f)=0" \
93		-D"devopen(f,n,fl)=(*(fl)=(void *)n,0)" \
94		-DLIBSA_NO_DISKLABEL_MSGS
95
96# -DLIBSA_FS_SINGLECOMPONENT 
97
98# CPPFLAGS+= -DBOOTXX_RAID1_SUPPORT
99
100I386_STAND_DIR?= $S/arch/i386/stand
101
102CLEANFILES+= machine x86
103
104.if !make(obj) && !make(clean) && !make(cleandir)
105.BEGIN:
106	-rm -f machine && ln -s $S/arch/i386/include machine
107	-rm -f x86 && ln -s $S/arch/x86/include x86
108.ifdef LIBOBJ
109	-rm -f lib && ln -s ${LIBOBJ}/lib lib
110	mkdir -p ${LIBOBJ}/lib
111.endif
112.endif
113
114### find out what to use for libi386
115I386DIR= ${I386_STAND_DIR}/lib
116.include "${I386DIR}/Makefile.inc"
117LIBI386= ${I386LIB}
118
119### find out what to use for libsa
120SA_AS= library
121SAMISCMAKEFLAGS+="SA_USE_LOADFILE=yes"
122.include "${S}/lib/libsa/Makefile.inc"
123LIBSA= ${SALIB}
124
125### find out what to use for libkern
126KERN_AS=        library
127.include "${S}/lib/libkern/Makefile.inc"
128LIBKERN=        ${KERNLIB}
129
130
131cleandir distclean: .WAIT cleanlibdir
132
133cleanlibdir:
134	-rm -rf lib
135
136LIBLIST= ${LIBI386} ${LIBSA} ${LIBKERN} ${LIBI386} ${LIBSA}
137
138CLEANFILES+= ${PROG}.sym ${PROG}.map
139
140${PROG}: ${OBJS} ${LIBLIST}
141	${_MKTARGET_LINK}
142	${CC} -o ${PROG}.sym ${LDFLAGS} -Wl,-Ttext,${PRIMARY_LOAD_ADDRESS} \
143		-Wl,-Map,${PROG}.map -Wl,-cref ${OBJS} ${LIBLIST}
144	${OBJCOPY} -O binary ${PROG}.sym ${PROG}
145	@ sz=$$(${TOOL_STAT} -f '%z' ${PROG}); \
146	if [ "$$sz" -gt "${BOOTXX_MAXSIZE}" ]; then \
147		echo "### ${PROG} size $$sz is larger than ${BOOTXX_MAXSIZE}" >&2; \
148		rm ${PROG}; \
149		! :; \
150	else \
151		: pad to sector boundary; \
152		pad=$$(( 512 - ( $$sz & 511 ) )); \
153		[ $$pad = 512 ] || \
154		    dd if=/dev/zero bs=1 count=$$pad >>${PROG} 2>/dev/null; \
155		echo "${PROG} size $$sz, $$((${BOOTXX_MAXSIZE} - $$sz)) free"; \
156	fi
157
158.include <bsd.prog.mk>
159