Makefile revision 274042 
1# $FreeBSD: stable/10/sys/boot/pc98/boot2/Makefile 274042 2014-11-03 12:07:04Z nyan $
2
3.include <bsd.own.mk>
4
5FILES=		boot boot1 boot2
6
7NM?=		nm
8
9BOOT_COMCONSOLE_PORT?= 0x238
10BOOT_COMCONSOLE_SPEED?= 9600
11B2SIOFMT?=	0x3
12
13REL1=	0x700
14ORG1=	0
15ORG2=	0x2000
16
17# Decide level of UFS support.
18BOOT2_UFS?=	UFS1_AND_UFS2
19#BOOT2_UFS?=	UFS2_ONLY
20#BOOT2_UFS?=	UFS1_ONLY
21
22CFLAGS=	-Os \
23	-fomit-frame-pointer \
24	-mrtd \
25	-mregparm=3 \
26	-D${BOOT2_UFS} \
27	-DFLAGS=${BOOT_BOOT1_FLAGS} \
28	-DSIOPRT=${BOOT_COMCONSOLE_PORT} \
29	-DSIOFMT=${B2SIOFMT} \
30	-DSIOSPD=${BOOT_COMCONSOLE_SPEED} \
31	-I${.CURDIR}/../../.. \
32	-I${.CURDIR}/../../i386/boot2 \
33	-I${.CURDIR}/../../common \
34	-I${.CURDIR}/../btx/lib -I. \
35	-Wall -Waggregate-return -Wbad-function-cast -Wcast-align \
36	-Wmissing-declarations -Wmissing-prototypes -Wnested-externs \
37	-Wpointer-arith -Wshadow -Wstrict-prototypes -Wwrite-strings \
38	-Winline \
39	${CLANG_OPT_SMALL}
40
41CFLAGS.gcc+=	-fno-guess-branch-probability \
42		-fno-unit-at-a-time \
43		-mno-align-long-strings \
44		--param max-inline-insns-single=100
45
46# Set machine type to PC98_SYSTEM_PARAMETER
47#CFLAGS+=	-DSET_MACHINE_TYPE
48
49# Initialize the bi_bios_geom using the BIOS geometry
50#CFLAGS+=	-DGET_BIOSGEOM
51
52LD_FLAGS=-static -N --gc-sections
53
54# Pick up ../Makefile.inc early.
55.include <bsd.init.mk>
56
57.PATH:	${.CURDIR}/../../i386/boot2
58
59CLEANFILES=	boot
60
61boot: boot1 boot2
62	cat boot1 boot2 > boot
63
64CLEANFILES+=	boot1 boot1.out boot1.o
65
66boot1: boot1.out
67	objcopy -S -O binary boot1.out ${.TARGET}
68
69boot1.out: boot1.o
70	${LD} ${LD_FLAGS} -e start -Ttext ${ORG1} -o ${.TARGET} boot1.o
71
72CLEANFILES+=	boot2 boot2.ld boot2.ldr boot2.bin boot2.out boot2.o \
73		boot2.s boot2.s.tmp boot2.h sio.o
74
75boot2: boot2.ld
76	@set -- `ls -l boot2.ld`; x=$$((7680-$$5)); \
77	    echo "$$x bytes available"; test $$x -ge 0
78	dd if=boot2.ld of=${.TARGET} obs=7680 conv=osync
79
80boot2.ld: boot2.ldr boot2.bin ${BTXKERN}
81	btxld -v -E ${ORG2} -f bin -b ${BTXKERN} -l boot2.ldr \
82	    -o ${.TARGET} -P 1 boot2.bin
83
84boot2.ldr:
85	dd if=/dev/zero of=${.TARGET} bs=276 count=1
86
87boot2.bin: boot2.out
88	objcopy -S -O binary boot2.out ${.TARGET}
89
90boot2.out: ${BTXCRT} boot2.o sio.o
91	${LD} ${LD_FLAGS} -Ttext ${ORG2} -o ${.TARGET} ${.ALLSRC}
92
93boot2.o: boot2.s
94
95SRCS=	boot2.c boot2.h
96
97boot2.s: boot2.c boot2.h ${.CURDIR}/../../common/ufsread.c
98	${CC} ${CFLAGS} -S -o boot2.s.tmp ${.CURDIR}/boot2.c
99	sed -e '/align/d' -e '/nop/d' < boot2.s.tmp > boot2.s
100	rm -f boot2.s.tmp
101
102boot2.h: boot1.out
103	${NM} -t d ${.ALLSRC} | awk '/([0-9])+ T (read|putc)/ \
104	    { x = $$1 - ORG1; \
105	    printf("#define %sORG %#x\n", toupper($$3), REL1 + x) }' \
106	    ORG1=`printf "%d" ${ORG1}` \
107	    REL1=`printf "%d" ${REL1}` > ${.TARGET}
108
109.include <bsd.prog.mk>
110
111# XXX: clang integrated-as doesn't grok .codeNN directives yet
112CFLAGS.boot1.S=		${CLANG_NO_IAS}
113CFLAGS+=		${CFLAGS.${.IMPSRC:T}}
114