Makefile.bootxx revision 1.40 
1# $NetBSD: Makefile.bootxx,v 1.40 2011/05/20 22:29:55 joerg Exp $
2
3S=	${.CURDIR}/../../../../..
4
5UNSUPPORTED_COMPILER.clang=	# defined
6
7AFLAGS.bootxx.S= ${${ACTIVE_CC} == "clang":?-no-integrated-as:}
8AFLAGS.label.S= ${${ACTIVE_CC} == "clang":?-no-integrated-as:}
9AFLAGS.pbr.S= ${${ACTIVE_CC} == "clang":?-no-integrated-as:}
10
11PIE_CFLAGS=
12PIE_LDFLAGS=
13PIE_AFLAGS=
14NOMAN=
15PROG?= bootxx_${FS}
16BINDIR= /usr/mdec
17BINMODE= 0444
18
19PRIMARY_LOAD_ADDRESS=0x1000
20SECONDARY_LOAD_ADDRESS=0x10000
21
22# We ought (need?) to fit into track 0 of a 1.2M floppy.
23# This restricts us to 15 sectors (including pbr and label)
24BOOTXX_SECTORS?=15
25BOOTXX_MAXSIZE?= $$(( ${BOOTXX_SECTORS} * 512 ))
26
27SRCS= pbr.S label.S bootxx.S boot1.c
28
29.include <bsd.own.mk>
30
31STRIPFLAG=	# nothing
32
33LIBCRT0=	# nothing
34LIBCRTBEGIN=	# nothing
35LIBCRTEND=	# nothing
36LIBC=		# nothing
37
38BINDIR=/usr/mdec
39BINMODE=444
40
41.PATH:	${.CURDIR}/.. ${.CURDIR}/../../lib
42
43LDFLAGS+= -nostdlib -Wl,-N -Wl,-e,start
44CPPFLAGS+= -DBOOTXX
45# CPPFLAGS+= -D__daddr_t=int32_t
46CPPFLAGS+= -I ${.CURDIR}/../../lib -I ${.OBJDIR}
47CPPFLAGS+= -DBOOTXX_SECTORS=${BOOTXX_SECTORS}
48CPPFLAGS+= -DPRIMARY_LOAD_ADDRESS=${PRIMARY_LOAD_ADDRESS}
49CPPFLAGS+= -DSECONDARY_LOAD_ADDRESS=${SECONDARY_LOAD_ADDRESS}
50CPPFLAGS+= -DXXfs_open=${FS}_open
51CPPFLAGS+= -DXXfs_close=${FS}_close
52CPPFLAGS+= -DXXfs_read=${FS}_read
53CPPFLAGS+= -DXXfs_stat=${FS}_stat
54CPPFLAGS+= -DFS=${FS}
55# CPPFLAGS+= -DBOOT_MSG_COM0
56
57# Make sure we override any optimization options specified by the user
58COPTS=  -Os -momit-leaf-frame-pointer
59DBG=
60
61CPPFLAGS+= -DNO_LBA_CHECK
62
63.if defined(HAVE_GCC)
64.if ${MACHINE_ARCH} == "x86_64"
65LDFLAGS+=  -Wl,-m,elf_i386
66AFLAGS+=   -m32
67CPUFLAGS=  -m32
68LIBKERN_ARCH=i386
69KERNMISCMAKEFLAGS="LIBKERN_ARCH=i386"
70.else
71CPPFLAGS+= -DEPIA_HACK
72.if ${HAVE_GCC} == 3
73CPUFLAGS=  -mcpu=i386
74.else
75CPUFLAGS=  -march=i386 -mtune=i386
76.endif
77.endif
78.endif
79
80COPTS+=    -ffreestanding
81CFLAGS+= -Wall -Wmissing-prototypes -Wstrict-prototypes
82CPPFLAGS+= -nostdinc -D_STANDALONE
83CPPFLAGS+= -I$S
84
85CPPFLAGS+= -DLIBSA_SINGLE_FILESYSTEM=xxfs \
86		-DLIBSA_NO_TWIDDLE \
87		-DLIBSA_NO_FD_CHECKING \
88		-DLIBSA_NO_RAW_ACCESS \
89		-DLIBSA_NO_FS_WRITE \
90		-DLIBSA_NO_FS_SEEK \
91		-DLIBSA_SINGLE_DEVICE=blkdev \
92		-DLIBKERN_OPTIMISE_SPACE \
93		-D"blkdevioctl(x,y,z)=EINVAL" \
94		-D"blkdevclose(f)=0" \
95		-D"devopen(f,n,fl)=(*(fl)=(void *)n,0)" \
96		-DLIBSA_NO_DISKLABEL_MSGS
97
98# -DLIBSA_FS_SINGLECOMPONENT 
99
100# CPPFLAGS+= -DBOOTXX_RAID1_SUPPORT
101
102I386_STAND_DIR?= $S/arch/i386/stand
103
104CLEANFILES+= machine x86
105
106.if !make(obj) && !make(clean) && !make(cleandir)
107.BEGIN:
108	-rm -f machine && ln -s $S/arch/i386/include machine
109	-rm -f x86 && ln -s $S/arch/x86/include x86
110.ifdef LIBOBJ
111	-rm -f lib && ln -s ${LIBOBJ}/lib lib
112	mkdir -p ${LIBOBJ}/lib
113.endif
114.endif
115
116### find out what to use for libi386
117I386DIR= ${I386_STAND_DIR}/lib
118.include "${I386DIR}/Makefile.inc"
119LIBI386= ${I386LIB}
120
121### find out what to use for libsa
122SA_AS= library
123SAMISCMAKEFLAGS+="SA_USE_LOADFILE=yes"
124.include "${S}/lib/libsa/Makefile.inc"
125LIBSA= ${SALIB}
126
127### find out what to use for libkern
128KERN_AS=        library
129.include "${S}/lib/libkern/Makefile.inc"
130LIBKERN=        ${KERNLIB}
131
132
133cleandir distclean: .WAIT cleanlibdir
134
135cleanlibdir:
136	-rm -rf lib
137
138LIBLIST= ${LIBI386} ${LIBSA} ${LIBKERN} ${LIBI386} ${LIBSA}
139
140CLEANFILES+= ${PROG}.sym ${PROG}.map
141
142${PROG}: ${OBJS} ${LIBLIST}
143	${_MKTARGET_LINK}
144	${CC} -o ${PROG}.sym ${LDFLAGS} -Wl,-Ttext,${PRIMARY_LOAD_ADDRESS} \
145		-Wl,-Map,${PROG}.map -Wl,-cref ${OBJS} ${LIBLIST}
146	${OBJCOPY} -O binary ${PROG}.sym ${PROG}
147	@ sz=$$(${TOOL_STAT} -f '%z' ${PROG}); \
148	if [ "$$sz" -gt "${BOOTXX_MAXSIZE}" ]; then \
149		echo "### ${PROG} size $$sz is larger than ${BOOTXX_MAXSIZE}" >&2; \
150		rm ${PROG}; \
151		! :; \
152	else \
153		: pad to sector boundary; \
154		pad=$$(( 512 - ( $$sz & 511 ) )); \
155		[ $$pad = 512 ] || \
156		    dd if=/dev/zero bs=1 count=$$pad >>${PROG} 2>/dev/null; \
157		echo "${PROG} size $$sz, $$((${BOOTXX_MAXSIZE} - $$sz)) free"; \
158	fi
159
160.include <bsd.prog.mk>
161