xref: /netbsd-src/sys/arch/i386/stand/bootxx/Makefile.bootxx (revision 975a152cfcdb39ae6e496af647af0c7275ca0b61) 
1# $NetBSD: Makefile.bootxx,v 1.45 2013/08/22 00:13:00 matt 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
9PIE_CFLAGS=
10PIE_LDFLAGS=
11PIE_AFLAGS=
12NOMAN=
13PROG?= bootxx_${FS}
14BINDIR= /usr/mdec
15BINMODE= 0444
16
17PRIMARY_LOAD_ADDRESS=0x1000
18SECONDARY_LOAD_ADDRESS=0x10000
19
20# We ought (need?) to fit into track 0 of a 1.2M floppy.
21# This restricts us to 15 sectors (including pbr and label)
22BOOTXX_SECTORS?=15
23BOOTXX_MAXSIZE?= $$(( ${BOOTXX_SECTORS} * 512 ))
24
25SRCS= pbr.S label.S bootxx.S boot1.c
26
27.include <bsd.own.mk>
28
29STRIPFLAG=	# nothing
30
31LIBCRT0=	# nothing
32LIBCRTBEGIN=	# nothing
33LIBCRTEND=	# nothing
34LIBC=		# nothing
35
36BINDIR=/usr/mdec
37BINMODE=444
38
39.PATH:	${.CURDIR}/.. ${.CURDIR}/../../lib
40
41LDFLAGS+= -nostdlib -Wl,-N -Wl,-e,start
42CPPFLAGS+= -DBOOTXX
43# CPPFLAGS+= -D__daddr_t=int32_t
44CPPFLAGS+= -I ${.CURDIR}/../../lib -I ${.OBJDIR}
45CPPFLAGS+= -DBOOTXX_SECTORS=${BOOTXX_SECTORS}
46CPPFLAGS+= -DPRIMARY_LOAD_ADDRESS=${PRIMARY_LOAD_ADDRESS}
47CPPFLAGS+= -DSECONDARY_LOAD_ADDRESS=${SECONDARY_LOAD_ADDRESS}
48CPPFLAGS+= -DXXfs_open=${FS}_open
49CPPFLAGS+= -DXXfs_close=${FS}_close
50CPPFLAGS+= -DXXfs_read=${FS}_read
51CPPFLAGS+= -DXXfs_stat=${FS}_stat
52CPPFLAGS+= -DFS=${FS}
53# CPPFLAGS+= -DBOOT_MSG_COM0
54
55# Make sure we override any optimization options specified by the user
56.include "${.PARSEDIR}/../Makefile.inc"
57COPTS=	${OPT_SIZE.${ACTIVE_CC}}
58DBG=
59
60CPPFLAGS+= -DNO_LBA_CHECK
61
62.if ${MACHINE_ARCH} == "x86_64"
63LDFLAGS+=  -Wl,-m,elf_i386
64AFLAGS+=   -m32
65CPUFLAGS=  -m32
66LIBKERN_ARCH=i386
67KERNMISCMAKEFLAGS="LIBKERN_ARCH=i386"
68.else
69CPPFLAGS+= -DEPIA_HACK
70CPUFLAGS=  -march=i386 -mtune=i386
71.endif
72
73CFLAGS+= -Wall -Wmissing-prototypes -Wstrict-prototypes
74CPPFLAGS+= -nostdinc -D_STANDALONE
75CPPFLAGS+= -I$S
76
77CPPFLAGS+= -DLIBSA_SINGLE_FILESYSTEM=xxfs \
78		-DLIBSA_NO_TWIDDLE \
79		-DLIBSA_NO_FD_CHECKING \
80		-DLIBSA_NO_RAW_ACCESS \
81		-DLIBSA_NO_FS_WRITE \
82		-DLIBSA_NO_FS_SEEK \
83		-DLIBSA_SINGLE_DEVICE=blkdev \
84		-DLIBKERN_OPTIMISE_SPACE \
85		-D"blkdevioctl(x,y,z)=EINVAL" \
86		-D"blkdevclose(f)=0" \
87		-D"devopen(f,n,fl)=(*(fl)=(void *)n,0)" \
88		-DLIBSA_NO_DISKLABEL_MSGS
89
90# -DLIBSA_FS_SINGLECOMPONENT
91
92# CPPFLAGS+= -DBOOTXX_RAID1_SUPPORT
93
94I386_STAND_DIR?= $S/arch/i386/stand
95
96### find out what to use for libi386
97I386DIR= ${I386_STAND_DIR}/lib
98.include "${I386DIR}/Makefile.inc"
99LIBI386= ${I386LIB}
100
101### find out what to use for libsa
102SA_AS= library
103SAMISCMAKEFLAGS+="SA_USE_LOADFILE=yes"
104.include "${S}/lib/libsa/Makefile.inc"
105LIBSA= ${SALIB}
106
107### find out what to use for libkern
108KERN_AS=        library
109.include "${S}/lib/libkern/Makefile.inc"
110LIBKERN=        ${KERNLIB}
111
112
113cleandir distclean: .WAIT cleanlibdir
114
115cleanlibdir:
116	-rm -rf lib
117
118LIBLIST= ${LIBI386} ${LIBSA} ${LIBKERN} ${LIBI386} ${LIBSA}
119
120CLEANFILES+= ${PROG}.sym ${PROG}.map
121
122${PROG}: ${OBJS} ${LIBLIST}
123	${_MKTARGET_LINK}
124	${CC} -o ${PROG}.sym ${LDFLAGS} -Wl,-Ttext,${PRIMARY_LOAD_ADDRESS} \
125		-Wl,-Map,${PROG}.map -Wl,-cref ${OBJS} ${LIBLIST}
126	${OBJCOPY} -O binary ${PROG}.sym ${PROG}
127	@ sz=$$(${TOOL_STAT} -f '%z' ${PROG}); \
128	if [ "$$sz" -gt "${BOOTXX_MAXSIZE}" ]; then \
129		echo "### ${PROG} size $$sz is larger than ${BOOTXX_MAXSIZE}" >&2; \
130		rm ${PROG}; \
131		! :; \
132	else \
133		: pad to sector boundary; \
134		pad=$$(( 512 - ( $$sz & 511 ) )); \
135		[ $$pad = 512 ] || \
136		    dd if=/dev/zero bs=1 count=$$pad >>${PROG} 2>/dev/null; \
137		echo "${PROG} size $$sz, $$((${BOOTXX_MAXSIZE} - $$sz)) free"; \
138	fi
139
140.include <bsd.prog.mk>
141KLINK_MACHINE=	i386
142.include <bsd.klinks.mk>
143