Makefile.bootxx revision 1.36 
1# $NetBSD: Makefile.bootxx,v 1.36 2009/04/03 10:38:12 tsutsui Exp $
2
3S=	${.CURDIR}/../../../../..
4
5PIE_CFLAGS=
6PIE_LDFLAGS=
7PIE_AFLAGS=
8NOMAN=
9PROG?= bootxx_${FS}
10BINDIR= /usr/mdec
11BINMODE= 0444
12
13PRIMARY_LOAD_ADDRESS=0x600
14SECONDARY_LOAD_ADDRESS=0x10000
15
16# We ought (need?) to fit into track 0 of a 1.2M floppy.
17# This restricts us to 15 sectors (including pbr and label)
18BOOTXX_SECTORS?=15
19BOOTXX_MAXSIZE?= $$(( ${BOOTXX_SECTORS} * 512 ))
20
21SRCS= pbr.S label.S bootxx.S boot1.c
22
23.include <bsd.own.mk>
24
25STRIPFLAG=	# nothing
26
27LIBCRT0=	# nothing
28LIBCRTBEGIN=	# nothing
29LIBCRTEND=	# nothing
30LIBC=		# nothing
31
32BINDIR=/usr/mdec
33BINMODE=444
34
35.PATH:	${.CURDIR}/.. ${.CURDIR}/../../lib
36
37LDFLAGS+= -nostdlib -Wl,-N -Wl,-e,start
38CPPFLAGS+= -DBOOTXX
39# CPPFLAGS+= -D__daddr_t=int32_t
40CPPFLAGS+= -I ${.CURDIR}/../../lib -I ${.OBJDIR}
41CPPFLAGS+= -DBOOTXX_SECTORS=${BOOTXX_SECTORS}
42CPPFLAGS+= -DPRIMARY_LOAD_ADDRESS=${PRIMARY_LOAD_ADDRESS}
43CPPFLAGS+= -DSECONDARY_LOAD_ADDRESS=${SECONDARY_LOAD_ADDRESS}
44CPPFLAGS+= -DXXfs_open=${FS}_open
45CPPFLAGS+= -DXXfs_close=${FS}_close
46CPPFLAGS+= -DXXfs_read=${FS}_read
47CPPFLAGS+= -DXXfs_stat=${FS}_stat
48CPPFLAGS+= -DFS=${FS}
49
50# Make sure we override any optimization options specified by the user
51COPTS=  -Os -momit-leaf-frame-pointer
52DBG=
53
54CPPFLAGS+= -DNO_LBA_CHECK
55
56.if defined(HAVE_GCC)
57.if ${MACHINE_ARCH} == "x86_64"
58LDFLAGS+=  -Wl,-m,elf_i386
59AFLAGS+=   -m32
60CPUFLAGS=  -m32
61LIBKERN_ARCH=i386
62KERNMISCMAKEFLAGS="LIBKERN_ARCH=i386"
63.else
64CPPFLAGS+= -DEPIA_HACK
65.if ${HAVE_GCC} == 3
66CPUFLAGS=  -mcpu=i386
67.else
68CPUFLAGS=  -march=i386 -mtune=i386
69.endif
70.endif
71.endif
72
73COPTS+=    -ffreestanding
74CFLAGS+= -Wall -Wmissing-prototypes -Wstrict-prototypes
75CPPFLAGS+= -nostdinc -D_STANDALONE
76CPPFLAGS+= -I$S
77
78CPPFLAGS+= -DLIBSA_SINGLE_FILESYSTEM=xxfs \
79		-DLIBSA_NO_TWIDDLE \
80		-DLIBSA_NO_FD_CHECKING \
81		-DLIBSA_NO_RAW_ACCESS \
82		-DLIBSA_NO_FS_WRITE \
83		-DLIBSA_NO_FS_SEEK \
84		-DLIBSA_SINGLE_DEVICE=blkdev \
85		-DLIBKERN_OPTIMISE_SPACE \
86		-D"blkdevioctl(x,y,z)=EINVAL" \
87		-D"blkdevclose(f)=0" \
88		-D"devopen(f,n,fl)=(*(fl)=(void *)n,0)" \
89		-DLIBSA_NO_DISKLABEL_MSGS
90
91# -DLIBSA_FS_SINGLECOMPONENT 
92
93# CPPFLAGS+= -DBOOTXX_RAID1_SUPPORT
94
95I386_STAND_DIR?= $S/arch/i386/stand
96
97CLEANFILES+= machine x86
98
99.if !make(obj) && !make(clean) && !make(cleandir)
100.BEGIN:
101	-rm -f machine && ln -s $S/arch/i386/include machine
102	-rm -f x86 && ln -s $S/arch/x86/include x86
103.ifdef LIBOBJ
104	-rm -f lib && ln -s ${LIBOBJ}/lib lib
105	mkdir -p ${LIBOBJ}/lib
106.endif
107.endif
108
109### find out what to use for libi386
110I386DIR= ${I386_STAND_DIR}/lib
111.include "${I386DIR}/Makefile.inc"
112LIBI386= ${I386LIB}
113
114### find out what to use for libsa
115SA_AS= library
116SAMISCMAKEFLAGS+="SA_USE_LOADFILE=yes"
117.include "${S}/lib/libsa/Makefile.inc"
118LIBSA= ${SALIB}
119
120### find out what to use for libkern
121KERN_AS=        library
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	${_MKTARGET_LINK}
137	${CC} -o ${PROG}.sym ${LDFLAGS} -Wl,-Ttext,${PRIMARY_LOAD_ADDRESS} \
138		-Wl,-Map,${PROG}.map -Wl,-cref ${OBJS} ${LIBLIST}
139	${OBJCOPY} -O binary ${PROG}.sym ${PROG}
140	@ sz=$$(${TOOL_STAT} -f '%z' ${PROG}); \
141	if [ "$$sz" -gt "${BOOTXX_MAXSIZE}" ]; then \
142		echo "### ${PROG} size $$sz is larger than ${BOOTXX_MAXSIZE}" >&2; \
143		rm ${PROG}; \
144		! :; \
145	else \
146		: pad to sector boundary; \
147		pad=$$(( 512 - ( $$sz & 511 ) )); \
148		[ $$pad = 512 ] || \
149		    dd if=/dev/zero bs=1 count=$$pad >>${PROG} 2>/dev/null; \
150		echo "${PROG} size $$sz, $$((${BOOTXX_MAXSIZE} - $$sz)) free"; \
151	fi
152
153.include <bsd.prog.mk>
154