1# $FreeBSD$ 2 3.PATH: ${.CURDIR}/../boot2 ${.CURDIR}/../common ${.CURDIR}/../../common 4 5FILES= zfsboot 6 7NM?= nm 8 9BOOT_COMCONSOLE_PORT?= 0x3f8 10BOOT_COMCONSOLE_SPEED?= 9600 11B2SIOFMT?= 0x3 12 13REL1= 0x700 14ORG1= 0x7c00 15ORG2= 0x2000 16 17CFLAGS= -DBOOTPROG=\"zfsboot\" \ 18 -O1 \ 19 -DBOOT2 \ 20 -DSIOPRT=${BOOT_COMCONSOLE_PORT} \ 21 -DSIOFMT=${B2SIOFMT} \ 22 -DSIOSPD=${BOOT_COMCONSOLE_SPEED} \ 23 -I${.CURDIR}/../../common \ 24 -I${.CURDIR}/../common \ 25 -I${.CURDIR}/../../zfs \ 26 -I${.CURDIR}/../../../cddl/boot/zfs \ 27 -I${.CURDIR}/../btx/lib -I. \ 28 -I${.CURDIR}/../boot2 \ 29 -Wall -Waggregate-return -Wbad-function-cast -Wcast-align \ 30 -Wmissing-declarations -Wmissing-prototypes -Wnested-externs \ 31 -Wpointer-arith -Wshadow -Wstrict-prototypes -Wwrite-strings \ 32 -Winline --param max-inline-insns-single=100 33 34LDFLAGS=-static -N --gc-sections 35 36# Pick up ../Makefile.inc early. 37.include <bsd.init.mk> 38 39CLEANFILES= zfsboot 40 41zfsboot: zfsboot1 zfsboot2 42 cat zfsboot1 zfsboot2 > zfsboot 43 44CLEANFILES+= zfsboot1 zfsldr.out zfsldr.o 45 46zfsboot1: zfsldr.out 47 objcopy -S -O binary zfsldr.out ${.TARGET} 48 49zfsldr.out: zfsldr.o 50 ${LD} ${LDFLAGS} -e start -Ttext ${ORG1} -o ${.TARGET} zfsldr.o 51 52CLEANFILES+= zfsboot2 zfsboot.ld zfsboot.ldr zfsboot.bin zfsboot.out \ 53 zfsboot.o zfsboot.s zfsboot.s.tmp sio.o cons.o drv.o util.o 54 55# We currently allow 65536 bytes for zfsboot - in practice it could be 56# any size up to 3.5Mb but keeping it fixed size simplifies zfsldr. 57# 58BOOT2SIZE= 65536 59 60zfsboot2: zfsboot.ld 61 @set -- `ls -l zfsboot.ld`; x=$$((${BOOT2SIZE}-$$5)); \ 62 echo "$$x bytes available"; test $$x -ge 0 63 dd if=zfsboot.ld of=${.TARGET} obs=${BOOT2SIZE} conv=osync 64 65zfsboot.ld: zfsboot.ldr zfsboot.bin ${BTXKERN} 66 btxld -v -E ${ORG2} -f bin -b ${BTXKERN} -l zfsboot.ldr \ 67 -o ${.TARGET} -P 1 zfsboot.bin 68 69zfsboot.ldr: 70 cp /dev/null ${.TARGET} 71 72zfsboot.bin: zfsboot.out 73 objcopy -S -O binary zfsboot.out ${.TARGET} 74 75zfsboot.out: ${BTXCRT} zfsboot.o sio.o drv.o cons.o util.o 76 ${LD} ${LDFLAGS} -Ttext ${ORG2} -o ${.TARGET} ${.ALLSRC} ${LIBSTAND} 77 78SRCS= zfsboot.c 79 80.if ${MACHINE_CPUARCH} == "amd64" 81beforedepend zfsboot.o: machine 82CLEANFILES+= machine 83machine: 84 ln -sf ${.CURDIR}/../../../i386/include machine 85.endif 86 87.include <bsd.prog.mk> 88 89# XXX: clang integrated-as doesn't grok .codeNN directives yet 90CFLAGS.zfsldr.S= ${CLANG_NO_IAS} 91CFLAGS+= ${CFLAGS.${.IMPSRC:T}} 92