Makefile.bootxx revision 1.37 
1# $NetBSD: Makefile.bootxx,v 1.37 2009/11/20 17:28:19 dsl Exp $
2
3S=	${.CURDIR}/../../../../..
4
5PIE_CFLAGS=
6PIE_LDFLAGS=
7PIE_AFLAGS=
8NOMAN=
9PROG?= bootxx_${FS}
10BINDIR= /usr/mdec
11BINMODE= 0444
12
13PRIMARY_LOAD_ADDRESS=0x8800
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# CPPFLAGS+= -DBOOT_MSG_COM0
50
51# Make sure we override any optimization options specified by the user
52COPTS=  -Os -momit-leaf-frame-pointer
53DBG=
54
55CPPFLAGS+= -DNO_LBA_CHECK
56
57.if defined(HAVE_GCC)
58.if ${MACHINE_ARCH} == "x86_64"
59LDFLAGS+=  -Wl,-m,elf_i386
60AFLAGS+=   -m32
61CPUFLAGS=  -m32
62LIBKERN_ARCH=i386
63KERNMISCMAKEFLAGS="LIBKERN_ARCH=i386"
64.else
65CPPFLAGS+= -DEPIA_HACK
66.if ${HAVE_GCC} == 3
67CPUFLAGS=  -mcpu=i386
68.else
69CPUFLAGS=  -march=i386 -mtune=i386
70.endif
71.endif
72.endif
73
74COPTS+=    -ffreestanding
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: 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