Makefile revision 80751 
197049Speter# $FreeBSD: head/sys/boot/i386/gptboot/Makefile 80751 2001-07-31 19:50:09Z jhb $
2166124Srafan
397049SpeterPROG=		boot2
497049SpeterNOMAN=
597049SpeterSTRIP=
697049SpeterBINDIR?=	/boot
797049SpeterBINMODE=	444
897049SpeterCLEANFILES+=	boot1 boot1.out boot1.o \
997049Speter		boot2.ldr boot2.bin boot2.ld boot2.out boot2.o boot2.h \
1097049Speter		sio.o
1197049Speter
1297049SpeterNM?=		nm
1397049Speter
1497049Speter# A value of 0x80 enables LBA support.
1597049SpeterB1FLAGS=	0x80
1697049Speter
1797049SpeterBOOT_COMCONSOLE_PORT?= 0x3f8
1897049SpeterBOOT_COMCONSOLE_SPEED?= 9600
1997049SpeterB2SIOFMT?=	0x3
2097049Speter
2197049Speter.if exists(${.OBJDIR}/../btx)
2297049SpeterBTX=	${.OBJDIR}/../btx
2397049Speter.else
2497049SpeterBTX=	${.CURDIR}/../btx
2597049Speter.endif
2697049Speter
2797049SpeterORG1=	0x7c00
2897049SpeterORG2=	0x1000
2997049Speter
30166124SrafanCFLAGS=	-elf -I${.CURDIR}/../btx/lib -I. \
3197049Speter	-Os -fno-builtin -fforce-addr -fdata-sections \
3297049Speter	-malign-functions=0 -malign-jumps=0 -malign-loops=0 -mrtd \
3397049Speter	-mpreferred-stack-boundary=2 \
3497049Speter	-Wall -Waggregate-return -Wbad-function-cast -Wcast-align \
3597049Speter	-Wmissing-declarations -Wmissing-prototypes -Wnested-externs \
3697049Speter	-Wpointer-arith -Wshadow -Wstrict-prototypes -Wwrite-strings
3797049Speter
3897049SpeterLDFLAGS=-nostdlib -static -N
3997049Speter
4097049Speterall: boot1 boot2
4197049Speter
42166124Srafanboot1: boot1.out
4397049Speter	objcopy -S -O binary boot1.out ${.TARGET}
4497049Speter
45166124Srafanboot1.out: boot1.o
4697049Speter	${LD} ${LDFLAGS} -e start -Ttext ${ORG1} -o ${.TARGET} boot1.o
4797049Speter
4897049Speterboot1.o: boot1.s
4997049Speter	${AS} ${AFLAGS} --defsym FLAGS=${B1FLAGS} ${.IMPSRC} -o ${.TARGET}
5097049Speter
5197049Speterboot2.h: boot1.out
5297049Speter	${NM} -t d ${.ALLSRC} | awk '/([0-9])+ T xread/ \
5397049Speter	 	{ x = $$1 - ORG1; printf("#define XREADORG 0x7%x\n", x) }' \
5497049Speter	 	ORG1=`printf "%d" ${ORG1}` > boot2.h
5597049Speter
56166124Srafanboot2: boot2.ldr boot2.bin ${BTX}/btx/btx
5797049Speter	btxld -v -E ${ORG2} -f bin -b ${BTX}/btx/btx -l boot2.ldr \
5897049Speter		-o boot2.ld -P 1 boot2.bin
5997049Speter	@ls -l boot2.ld | awk '{ x = 7680 - $$5; \
60166124Srafan		print x " bytes available"; if (x < 0) exit 1 }'
61166124Srafan	dd if=boot2.ld of=${.TARGET} obs=7680 conv=osync 2>/dev/null
6297049Speter
63boot2.ldr:
64	dd if=/dev/zero of=${.TARGET} bs=512 count=1 2>/dev/null
65
66boot2.bin: boot2.out
67	objcopy -S -O binary boot2.out ${.TARGET}
68
69boot2.out: boot2.o sio.o
70	${LD} ${LDFLAGS} -Ttext ${ORG2} -o ${.TARGET} \
71		${BTX}/lib/crt0.o boot2.o sio.o
72
73boot2.o: boot2.h
74
75sio.o: sio.s
76	${AS} ${AFLAGS} --defsym SIOPRT=${BOOT_COMCONSOLE_PORT} \
77		--defsym SIOFMT=${B2SIOFMT} \
78		--defsym SIOSPD=${BOOT_COMCONSOLE_SPEED} \
79		${.IMPSRC} -o ${.TARGET}
80
81install:
82	${INSTALL} ${COPY} -o ${BINOWN} -g ${BINGRP} -m ${BINMODE} \
83		boot1 ${DESTDIR}${BINDIR}/boot1
84	${INSTALL} ${COPY} -o ${BINOWN} -g ${BINGRP} -m ${BINMODE} \
85		boot2 ${DESTDIR}${BINDIR}/boot2
86
87.include <bsd.prog.mk>
88