Makefile.bootxx revision 1.8 
1# $NetBSD: Makefile.bootxx,v 1.8 2003/08/30 18:25:07 fvdl Exp $
2
3S=	${.CURDIR}/../../../../../
4
5NOMAN=
6STRIPFLAG=
7PROG= bootxx_${FS}
8BINDIR= /usr/mdec
9BINMODE= 0444
10
11PRIMARY_LOAD_ADDRESS=0x600
12SECONDARY_LOAD_ADDRESS=0x10000
13
14# We ought (need?) to fit into track 0 of a 1.2M floppy.
15# This restricts us to 15 sectors (including pbr and label)
16BOOTXX_SECTORS?=15
17BOOTXX_MAXSIZE?= $$(( ${BOOTXX_SECTORS} * 512 ))
18
19SRCS= pbr.S label.S bootxx.S boot1.c
20
21.include <bsd.own.mk>
22
23LIBCRT0=	# nothing
24LIBCRTBEGIN=	# nothing
25LIBCRTEND=	# nothing
26LIBC=		# nothing
27
28BINDIR=/usr/mdec
29BINMODE=444
30
31.PATH:	${.CURDIR}/.. ${.CURDIR}/../../lib
32
33LDFLAGS+= -N -e start
34CPPFLAGS+= -DBOOTXX
35# CPPFLAGS+= -D__daddr_t=int32_t
36CPPFLAGS+= -I ${.CURDIR}/../../lib -I ${.OBJDIR}
37CPPFLAGS+= -DBOOTXX_SECTORS=${BOOTXX_SECTORS}
38CPPFLAGS+= -DPRIMARY_LOAD_ADDRESS=${PRIMARY_LOAD_ADDRESS}
39CPPFLAGS+= -DSECONDARY_LOAD_ADDRESS=${SECONDARY_LOAD_ADDRESS}
40# Magic number also known by usr.sbin/installboot/arch/i386.c
41CPPFLAGS+= -DX86_BOOT_MAGIC_1="('x' << 24 | 0x86b << 12 | 'm' << 4 | 1)"
42CPPFLAGS+= -DXXfs_open=${FS}_open
43CPPFLAGS+= -DXXfs_close=${FS}_close
44CPPFLAGS+= -DXXfs_read=${FS}_read
45CPPFLAGS+= -DXXfs_stat=${FS}_stat
46CPPFLAGS+= -DFS=${FS}
47
48# Make sure we override any optimization options specified by the user
49COPTS=  -Os
50
51.if ${MACHINE} == "amd64"
52LD+=  -m elf_i386
53AFLAGS+=   -m32
54COPTS+=    -m32
55LIBKERN_ARCH=i386
56KERNMISCMAKEFLAGS="LIBKERN_ARCH=i386"
57CPPFLAGS+= -DBOOT_ELF64
58.else
59COPTS+=    -mcpu=i386
60.endif
61
62COPTS+=    -ffreestanding
63CFLAGS+= -Wall -Wmissing-prototypes -Wstrict-prototypes
64CPPFLAGS+= -nostdinc -D_STANDALONE
65CPPFLAGS+= -I$S
66
67CPPFLAGS+= -DLIBSA_SINGLE_FILESYSTEM=xxfs \
68		-DLIBSA_NO_TWIDDLE \
69		-DLIBSA_NO_FD_CHECKING \
70		-DLIBSA_NO_RAW_ACCESS \
71		-DLIBSA_NO_FS_WRITE \
72		-DLIBSA_NO_FS_SEEK \
73		-DLIBSA_USE_MEMCPY \
74		-DLIBSA_USE_MEMSET \
75		-DLIBSA_SINGLE_DEVICE=blkdev \
76		-DLIBKERN_OPTIMISE_SPACE \
77		-D"blkdevioctl(x,y,z)=EINVAL" \
78		-D"blkdevclose(f)=0" \
79		-D"devopen(f,n,fl)=(*(fl)=(void *)n,0)" \
80		-DLIBSA_NO_DISKLABEL_MSGS
81
82# -DLIBSA_FS_SINGLECOMPONENT 
83
84# CPPFLAGS+= -DBOOTXX_RAID1_SUPPORT
85
86I386_STAND_DIR?= $S/arch/i386/stand
87
88.if !make(obj) && !make(clean) && !make(cleandir)
89.BEGIN: machine x86
90.NOPATH: machine x86
91.endif
92
93realdepend realall: machine x86
94CLEANFILES+= machine x86
95
96machine::
97	-rm -f $@
98	ln -s $S/arch/i386/include $@
99
100x86::
101	-rm -f $@
102	ln -s $S/arch/x86/include $@
103
104${OBJS}: machine x86
105
106### find out what to use for libi386
107I386DIR= ${I386_STAND_DIR}/lib
108I386DST= ${.OBJDIR}/../lib/i386
109.include "${I386DIR}/Makefile.inc"
110LIBI386= ${I386LIB}
111
112### find out what to use for libsa
113SA_AS= library
114SADST= ${.OBJDIR}/../lib/libsa
115SAMISCMAKEFLAGS+="SA_USE_LOADFILE=yes"
116.include "${S}/lib/libsa/Makefile.inc"
117LIBSA= ${SALIB}
118
119### find out what to use for libkern
120KERN_AS=        library
121KERNDST= ${.OBJDIR}/../lib/libkern
122.include "${S}/lib/libkern/Makefile.inc"
123LIBKERN=        ${KERNLIB}
124
125
126cleandir distclean: cleanlibdir
127
128cleanlibdir:
129	rm -rf lib
130
131LIBLIST= ${LIBI386} ${LIBSA} ${LIBKERN} ${LIBI386} ${LIBSA}
132
133CLEANFILES+= ${PROG}.sym ${PROG}.map
134
135${PROG}: ${OBJS} ${LIBLIST}
136	${LD} -o ${PROG}.sym ${LDFLAGS} -Ttext ${PRIMARY_LOAD_ADDRESS} \
137		-Map ${PROG}.map -cref ${OBJS} ${LIBLIST}
138	${OBJCOPY} -O binary ${PROG}.sym ${PROG}
139	@ sz=$$(ls -ln ${PROG}|tr -s ' '|cut -d' ' -f5); \
140	if [ "$$sz" -gt "${BOOTXX_MAXSIZE}" ]; then \
141		echo "### ${PROG} size $$sz is larger than ${BOOTXX_MAXSIZE}" >&2; \
142		rm ${PROG}; \
143		! :; \
144	else \
145		: pad to sector boundary; \
146		pad=$$(( 512 - ( $$sz & 511 ) )); \
147		[ $$pad != 512 ] && \
148		    dd if=/dev/zero bs=1 count=$$pad >>${PROG} 2>/dev/null; \
149		echo "${PROG} size $$sz, $$((${BOOTXX_MAXSIZE} - $$sz)) free"; \
150	fi
151
152.include <bsd.prog.mk>
153