1 # $FreeBSD: src/sys/boot/i386/boot2/Makefile,v 1.16.2.5 2002/08/07 16:31:53 ru Exp $
8 CLEANFILES+= boot1 boot1.out boot1.o \
9 boot2.ldr boot2.bin boot2.ld boot2.out boot2.o boot2.h \
14 # A value of 0x80 enables LBA support.
17 BOOT_COMCONSOLE_PORT?= 0x3f8
18 BOOT_COMCONSOLE_SPEED?= 9600
21 .if exists(${.OBJDIR}/../btx)
22 BTX= ${.OBJDIR}/../btx
24 BTX= ${.CURDIR}/../btx
30 CFLAGS= -elf -I${.CURDIR}/../btx/lib -I. \
31 -Os -fno-builtin -fforce-addr -fdata-sections \
32 -malign-functions=0 -malign-jumps=0 -malign-loops=0 -mrtd \
33 -mpreferred-stack-boundary=2 \
34 -Wall -Waggregate-return -Wbad-function-cast -Wcast-align \
35 -Wmissing-declarations -Wmissing-prototypes -Wnested-externs \
36 -Wpointer-arith -Wshadow -Wstrict-prototypes -Wwrite-strings
38 LDFLAGS=-nostdlib -static -N
43 objcopy -S -O binary boot1.out ${.TARGET}
46 ${LD} ${LDFLAGS} -e start -Ttext ${ORG1} -o ${.TARGET} boot1.o
49 ${AS} ${AFLAGS} --defsym FLAGS=${B1FLAGS} ${.IMPSRC} -o ${.TARGET}
52 ${NM} -t d ${.ALLSRC} | awk '/([0-9])+ T xread/ \
53 { x = $$1 - ORG1; printf("#define XREADORG 0x7%x\n", x) }' \
54 ORG1=`printf "%d" ${ORG1}` > boot2.h
56 boot2: boot2.ldr boot2.bin ${BTX}/btx/btx
57 btxld -v -E ${ORG2} -f bin -b ${BTX}/btx/btx -l boot2.ldr \
58 -o boot2.ld -P 1 boot2.bin
59 @ls -l boot2.ld | awk '{ x = 7680 - $$5; \
60 print x " bytes available"; if (x < 0) exit 1 }'
61 dd if=boot2.ld of=${.TARGET} obs=7680 conv=osync 2>/dev/null
64 dd if=/dev/zero of=${.TARGET} bs=512 count=1 2>/dev/null
67 objcopy -S -O binary boot2.out ${.TARGET}
69 boot2.out: boot2.o sio.o
70 ${LD} ${LDFLAGS} -Ttext ${ORG2} -o ${.TARGET} \
71 ${BTX}/lib/crt0.o boot2.o sio.o
76 ${AS} ${AFLAGS} --defsym SIOPRT=${BOOT_COMCONSOLE_PORT} \
77 --defsym SIOFMT=${B2SIOFMT} \
78 --defsym SIOSPD=${BOOT_COMCONSOLE_SPEED} \
79 ${.IMPSRC} -o ${.TARGET}
82 ${INSTALL} -o ${BINOWN} -g ${BINGRP} -m ${BINMODE} \
83 boot1 ${DESTDIR}${BINDIR}/boot1
84 ${INSTALL} -o ${BINOWN} -g ${BINGRP} -m ${BINMODE} \
85 boot2 ${DESTDIR}${BINDIR}/boot2
87 .include <bsd.prog.mk>