Makefile.bootxx revision 1.42 
1# $NetBSD: Makefile.bootxx,v 1.42 2011/06/20 06:52:38 mrg 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
71CPUFLAGS=  -march=i386 -mtune=i386
72.endif
73.endif
74
75CFLAGS+= -Wall -Wmissing-prototypes -Wstrict-prototypes
76CPPFLAGS+= -nostdinc -D_STANDALONE
77CPPFLAGS+= -I$S
78
79CPPFLAGS+= -DLIBSA_SINGLE_FILESYSTEM=xxfs \
80		-DLIBSA_NO_TWIDDLE \
81		-DLIBSA_NO_FD_CHECKING \
82		-DLIBSA_NO_RAW_ACCESS \
83		-DLIBSA_NO_FS_WRITE \
84		-DLIBSA_NO_FS_SEEK \
85		-DLIBSA_SINGLE_DEVICE=blkdev \
86		-DLIBKERN_OPTIMISE_SPACE \
87		-D"blkdevioctl(x,y,z)=EINVAL" \
88		-D"blkdevclose(f)=0" \
89		-D"devopen(f,n,fl)=(*(fl)=(void *)n,0)" \
90		-DLIBSA_NO_DISKLABEL_MSGS
91
92# -DLIBSA_FS_SINGLECOMPONENT 
93
94# CPPFLAGS+= -DBOOTXX_RAID1_SUPPORT
95
96I386_STAND_DIR?= $S/arch/i386/stand
97
98CLEANFILES+= machine x86
99
100.if !make(obj) && !make(clean) && !make(cleandir)
101.BEGIN:
102	-rm -f machine && ln -s $S/arch/i386/include machine
103	-rm -f x86 && ln -s $S/arch/x86/include x86
104.ifdef LIBOBJ
105	-rm -f lib && ln -s ${LIBOBJ}/lib lib
106	mkdir -p ${LIBOBJ}/lib
107.endif
108.endif
109
110### find out what to use for libi386
111I386DIR= ${I386_STAND_DIR}/lib
112.include "${I386DIR}/Makefile.inc"
113LIBI386= ${I386LIB}
114
115### find out what to use for libsa
116SA_AS= library
117SAMISCMAKEFLAGS+="SA_USE_LOADFILE=yes"
118.include "${S}/lib/libsa/Makefile.inc"
119LIBSA= ${SALIB}
120
121### find out what to use for libkern
122KERN_AS=        library
123.include "${S}/lib/libkern/Makefile.inc"
124LIBKERN=        ${KERNLIB}
125
126
127cleandir distclean: .WAIT cleanlibdir
128
129cleanlibdir:
130	-rm -rf lib
131
132LIBLIST= ${LIBI386} ${LIBSA} ${LIBKERN} ${LIBI386} ${LIBSA}
133
134CLEANFILES+= ${PROG}.sym ${PROG}.map
135
136${PROG}: ${OBJS} ${LIBLIST}
137	${_MKTARGET_LINK}
138	${CC} -o ${PROG}.sym ${LDFLAGS} -Wl,-Ttext,${PRIMARY_LOAD_ADDRESS} \
139		-Wl,-Map,${PROG}.map -Wl,-cref ${OBJS} ${LIBLIST}
140	${OBJCOPY} -O binary ${PROG}.sym ${PROG}
141	@ sz=$$(${TOOL_STAT} -f '%z' ${PROG}); \
142	if [ "$$sz" -gt "${BOOTXX_MAXSIZE}" ]; then \
143		echo "### ${PROG} size $$sz is larger than ${BOOTXX_MAXSIZE}" >&2; \
144		rm ${PROG}; \
145		! :; \
146	else \
147		: pad to sector boundary; \
148		pad=$$(( 512 - ( $$sz & 511 ) )); \
149		[ $$pad = 512 ] || \
150		    dd if=/dev/zero bs=1 count=$$pad >>${PROG} 2>/dev/null; \
151		echo "${PROG} size $$sz, $$((${BOOTXX_MAXSIZE} - $$sz)) free"; \
152	fi
153
154.include <bsd.prog.mk>
155