xref: /minix/sys/arch/i386/stand/bootxx/Makefile.bootxx (revision 83133719) 
1# $NetBSD: Makefile.bootxx,v 1.46 2013/11/01 00:18:24 christos 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.if defined(__MINIX)
9AFLAGS.bootxx.S+= -Wa,--divide
10.endif
11
12PIE_CFLAGS=
13PIE_LDFLAGS=
14PIE_AFLAGS=
15NOMAN=
16PROG?= bootxx_${FS}
17BINDIR= /usr/mdec
18BINMODE= 0444
19
20PRIMARY_LOAD_ADDRESS=0x1000
21SECONDARY_LOAD_ADDRESS=0x10000
22
23# We ought (need?) to fit into track 0 of a 1.2M floppy.
24# This restricts us to 15 sectors (including pbr and label)
25BOOTXX_SECTORS?=15
26BOOTXX_MAXSIZE?= $$(( ${BOOTXX_SECTORS} * 512 ))
27
28SRCS= pbr.S label.S bootxx.S boot1.c
29
30.include <bsd.own.mk>
31
32STRIPFLAG=	# nothing
33
34LIBCRT0=	# nothing
35LIBCRTBEGIN=	# nothing
36LIBCRTEND=	# nothing
37LIBC=		# nothing
38
39BINDIR=/usr/mdec
40BINMODE=444
41
42.PATH:	${.CURDIR}/.. ${.CURDIR}/../../lib
43
44LDFLAGS+= -nostdlib -Wl,-N -Wl,-e,start
45CPPFLAGS+= -DBOOTXX
46# CPPFLAGS+= -D__daddr_t=int32_t
47CPPFLAGS+= -I ${.CURDIR}/../../lib -I ${.OBJDIR}
48CPPFLAGS+= -DBOOTXX_SECTORS=${BOOTXX_SECTORS}
49CPPFLAGS+= -DPRIMARY_LOAD_ADDRESS=${PRIMARY_LOAD_ADDRESS}
50CPPFLAGS+= -DSECONDARY_LOAD_ADDRESS=${SECONDARY_LOAD_ADDRESS}
51CPPFLAGS+= -DXXfs_open=${FS}_open
52CPPFLAGS+= -DXXfs_close=${FS}_close
53CPPFLAGS+= -DXXfs_read=${FS}_read
54CPPFLAGS+= -DXXfs_stat=${FS}_stat
55CPPFLAGS+= -DFS=${FS}
56# CPPFLAGS+= -DBOOT_MSG_COM0
57
58# Make sure we override any optimization options specified by the user
59.include "${.PARSEDIR}/../Makefile.inc"
60COPTS=	${OPT_SIZE.${ACTIVE_CC}}
61DBG=
62
63CPPFLAGS+= -DNO_LBA_CHECK
64
65.if ${MACHINE_ARCH} == "x86_64"
66LDFLAGS+=  -Wl,-m,elf_i386
67AFLAGS+=   -m32
68CPUFLAGS=  -m32
69LIBKERN_ARCH=i386
70KERNMISCMAKEFLAGS="LIBKERN_ARCH=i386"
71.else
72CPPFLAGS+= -DEPIA_HACK
73CPUFLAGS=  -march=i386 -mtune=i386
74.endif
75
76CFLAGS+= -Wall -Wmissing-prototypes -Wstrict-prototypes
77CPPFLAGS+= -nostdinc -D_STANDALONE
78CPPFLAGS+= -I$S
79
80CPPFLAGS+= -DLIBSA_SINGLE_FILESYSTEM=xxfs \
81		-DLIBSA_NO_TWIDDLE \
82		-DLIBSA_NO_FD_CHECKING \
83		-DLIBSA_NO_RAW_ACCESS \
84		-DLIBSA_NO_FS_WRITE \
85		-DLIBSA_NO_FS_SEEK \
86		-DLIBSA_SINGLE_DEVICE=blkdev \
87		-DLIBKERN_OPTIMISE_SPACE \
88		-D"blkdevioctl(x,y,z)=EINVAL" \
89		-D"blkdevclose(f)=0" \
90		-D"devopen(f,n,fl)=(*(fl)=(void *)n,0)" \
91		-DLIBSA_NO_DISKLABEL_MSGS
92
93# -DLIBSA_FS_SINGLECOMPONENT
94
95# CPPFLAGS+= -DBOOTXX_RAID1_SUPPORT
96
97I386_STAND_DIR?= $S/arch/i386/stand
98
99### find out what to use for libi386
100I386DIR= ${I386_STAND_DIR}/lib
101.include "${I386DIR}/Makefile.inc"
102LIBI386= ${I386LIB}
103
104### find out what to use for libsa
105SA_AS= library
106SAMISCMAKEFLAGS+="SA_USE_LOADFILE=yes"
107.include "${S}/lib/libsa/Makefile.inc"
108LIBSA= ${SALIB}
109
110.if !defined(__MINIX)
111### find out what to use for libkern
112KERN_AS=        library
113.include "${S}/lib/libkern/Makefile.inc"
114LIBKERN=        ${KERNLIB}
115.else
116
117SAMISCMAKEFLAGS+="SA_INCLUDE_NET=no"
118
119USE_BITCODE=no
120
121# use MINIX minc
122LIBKERN= ${DESTDIR}/usr/lib/libminc.a
123.endif
124
125LDSCRIPT ?= $S/arch/i386/conf/stand.ldscript
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.if defined(__MINIX)
139	${CC} -o ${PROG}.sym ${LDFLAGS} -Wl,--section-start=.text=${PRIMARY_LOAD_ADDRESS} \
140		-T ${LDSCRIPT} -Wl,-Map,${PROG}.map -Wl,-cref ${OBJS} ${LIBLIST}
141.else
142	${CC} -o ${PROG}.sym ${LDFLAGS} -Wl,-Ttext,${PRIMARY_LOAD_ADDRESS} \
143		-T ${LDSCRIPT} -Wl,-Map,${PROG}.map -Wl,-cref ${OBJS} ${LIBLIST}
144.endif
145	${OBJCOPY} -O binary ${PROG}.sym ${PROG}
146	@ sz=$$(${TOOL_STAT} -f '%z' ${PROG}); \
147	if [ "$$sz" -gt "${BOOTXX_MAXSIZE}" ]; then \
148		echo "### ${PROG} size $$sz is larger than ${BOOTXX_MAXSIZE}" >&2; \
149		rm ${PROG}; \
150		! :; \
151	else \
152		: pad to sector boundary; \
153		pad=$$(( 512 - ( $$sz & 511 ) )); \
154		[ $$pad = 512 ] || \
155		    dd if=/dev/zero bs=1 count=$$pad >>${PROG} 2>/dev/null; \
156		echo "${PROG} size $$sz, $$((${BOOTXX_MAXSIZE} - $$sz)) free"; \
157	fi
158
159.include <bsd.prog.mk>
160KLINK_MACHINE=	i386
161.include <bsd.klinks.mk>
162